1. The utility model provides a weaving production filters integrative hanging ventilation unit of purification with factory building, includes air pipe (4), one side fixedly connected with air-out pipeline (2) of air pipe (4), its characterized in that, the top surface fixed mounting of air pipe (4) has rainstorm early warning mechanism (3), demountable installation has filtration purification mechanism (5) in the inner chamber of air pipe (4), the bottom surface fixed mounting of air-out pipeline (2) has rain-proof mechanism (1), rain-proof mechanism (1) includes motor case (14), the inner chamber fixed mounting of motor case (14) has the motor, the output end of motor is fixed to be cup jointed output pivot (15), the outside fixedly connected with upset flashing board (11) of output pivot (15), the top surface fixedly connected with of upset flashing board (11) supports compression leg (12), the joint groove has been seted up to the inboard of compression leg (12), the size of the clamping groove is larger than the size of the cross section of the air outlet pipeline (2), one side of the air pipeline (4) is fixedly provided with a clamping groove (41), the inner side of the air pipeline (4) is connected with a clamping groove (42) in a sliding mode, one side of the clamping groove (42) is fixedly connected with an expansion spring, and one side of the expansion spring is fixedly connected with the inner side of the air pipeline (4);

the rainstorm early warning mechanism (3) comprises an early warning box (31), a vertical partition plate (34) is fixedly arranged on the inner side of the early warning box (31), a water collecting inclined plate (33) is fixedly arranged on the top surface of the early warning box (31), one side of the bottom surface of the water collecting inclined plate (33) and the amount of the vertical partition plate (34) are located on the same horizontal plane, a floating plate sliding groove is formed in the inner sides of the vertical partition plate (34) and the early warning box (31), a floating top plate (39) is connected to the inner side of the floating plate sliding groove in a sliding manner, a sliding L-shaped electrode rod (36) is connected to the outer side of the early warning box (31), a fixed electrode rod (35) is fixedly arranged on the outer side of the early warning box (31), a controller is electrically connected to the input ends of the fixed electrode rod (35) and the sliding L-shaped electrode rod (36), and the sliding L-shaped electrode rod (36) is located on the bottom surface of the fixed electrode rod (35), the floating top plate (39) is positioned on the bottom surface of the sliding L-shaped electrode rod (36);

the filtering and purifying mechanism (5) comprises a filter element mounting ring (51), a filtering filter element (57) is clamped on the inner side of the filter element mounting ring (51), a sliding plate sliding groove (55) is formed in the top surface of the filter element mounting ring (51), a sliding plate (54) is connected to the inner side of the sliding plate sliding groove (55) in a sliding manner, a limiting hole (56) is formed in one side of the filter element mounting ring (51), a second adsorption magnet (58) is fixedly mounted in an inner cavity of the limiting hole (56), a limiting shaft (53) is fixedly mounted on the outer side of the filter element mounting ring (51), a first adsorption magnet (52) is fixedly connected to one side of the limiting shaft (53), the first adsorption magnet (52) and the second adsorption magnet (58) are mutually attracted, the cross sections of the first adsorption magnet (52), the limiting shaft (53) and the limiting hole (56) are consistent in size, and when the first adsorption magnet (52) and the limiting hole (56) are mutually attracted, the filter element mounting rings (51) are tightly attached to each other.

2. The factory building filtering and purifying integrated hanging type ventilation device for textile production according to claim 1, wherein a rebound column (6) is slidably connected to the top surface of the air outlet pipeline (2), an electrode contact block (7) is fixedly connected to one side of the rebound column (6), a fixed shaft is fixedly connected to the top surface of the air outlet pipeline (2), and the outer side of the fixed shaft is fixedly connected to one side of the electrode contact block (7).

3. The factory building filtering and purifying integrated hanging type ventilation device for textile production according to claim 2, wherein a connecting frame is fixedly installed on the bottom surface of the rebound column (6), a rebound spring (8) is fixedly installed on one side of the connecting frame, and when the rebound spring (8) is in a normal state, the two electrode contact blocks (7) are abutted to each other.

4. The factory building filtering and purifying integrated hanging type ventilation device for textile production as claimed in claim 1, wherein a metal filter screen (32) is clamped on the inner side of the early warning box (31), and the other side of the metal filter screen (32) is detachably connected with a vertical partition plate (34).

5. The factory building filtering and purifying integrated hanging type ventilation device for textile production as claimed in claim 1, wherein a water leakage slot (38) is formed in one side of the early warning box (31), a water plate chute (311) is formed in the outer side of the early warning box (31), a sliding water baffle (37) is fixedly connected to the bottom surface of the sliding L-shaped electrode rod (36), and one side of the sliding water baffle (37) corresponds to the water leakage slot (38).

6. The integrated hanging type ventilation device for filtering and purifying the factory building for textile production as claimed in claim 1, wherein the bottom surface of the inner cavity of the air outlet pipeline (2) is provided with a trapezoidal water leakage groove, and the size of the cross section of the top surface of the trapezoidal water leakage groove is larger than that of the cross section of the bottom surface of the trapezoidal water leakage groove.

7. The use method of the integrated hanging ventilation device for filtering and purifying the factory building for textile production, which uses the ventilation device in the claims 1-6, is characterized by comprising the following steps:

s1, fixedly installing the device on the inner side of a wall surface of a factory building, enabling one side of an air outlet pipeline (2) to be located on the outer side of the wall surface, enabling one side of a ventilation pipeline (4) to be located on the inner side of the factory building, and arranging a small hole opposite to the small hole (42) in the installation position of the wall surface;

s2, when heavy rain weather occurs, rainwater is blown to one side of the water collecting inclined plate (33), the rainwater flows downwards at one side of the water collecting inclined plate (33), water flow formed by gathering of the rainwater flows into an inner cavity of the early warning box (31), the floating top plate (39) is gradually lifted under the floating action of the water flow, the floating top plate (39) is lifted to drive the sliding L-shaped electrode rod (36) to move upwards, the sliding L-shaped electrode rod (36) moves to drive the sliding water baffle (37) to move upwards at the inner side of the water plate sliding groove (311), the water flow in the inner cavity of the early warning box (31) flows outwards through the water leakage groove hole (38), and when the water inflow speed of the water flow is higher than the water outflow speed, the top surface of the sliding L-shaped electrode rod (36) is connected with the bottom surface of the fixed electrode rod (35), and the circuit is connected;

s3, the circuit is connected to drive the output rotating shaft (15) to rotate, the turnover rain-proof plate (11) is further driven to rotate, the turnover rain-proof plate (11) rotates to drive the pressing column (12) to move upwards, when the inner side of the inclined water leakage hole (13) is aligned with the outer side of the air outlet pipeline (2), the pressing column (12) presses the rebound column (6) to move, the rebound column (6) moves to drive the rebound spring (8) to stretch, the two electrode contact blocks (7) are further driven to be contacted with each other, the two electrode contact blocks (7) are staggered to disconnect the circuit, and the motor stops rotating;

s4, when the filter element needs to be replaced, the filtering and purifying mechanism (5) is taken out of the device, the sliding plate (54) is pulled, the sliding plate (54) moves on the inner side of the sliding plate sliding groove (55) to drive the first adsorption magnet (52) to move, the limiting shaft (53) is further driven to horizontally move, the limiting shaft (53) slides out of the inner side of the limiting hole (56), each layer of filter element mounting ring (51) is disassembled, the filtering filter element (57) clamped on the inner side of the filter element mounting ring (51) is replaced, after replacement is completed, the first adsorption magnet (52) is inserted into the inner cavity of the limiting hole (56), the first adsorption magnet (52) and the second adsorption magnet (58) attract each other to drive the sliding plate (54) to horizontally move, and the filter element mounting rings (51) are fixed with each other;

s5, when the device needs to be disassembled and re-assembled, the device (42) slides on the inner side of the wall surface, and when the device (42) moves to the inner side of the small hole, the device is assembled and fixed through the bolt.

8. The use method of the factory building filtering and purifying integrated hanging type ventilation device for textile production as claimed in claim 7, wherein in step S3, when the turnover rain guard (11) is in a normal state, one side of the turnover rain guard (11) is parallel to one side of the air outlet pipeline (2), the inner side of the turnover rain guard (11) is provided with inclined water leakage holes (13), and the inclined water leakage holes (13) are arranged in an inclined downward manner.

9. The use method of the factory building filtering and purifying integrated hanging type ventilation device for textile production as claimed in claim 7, wherein in step S2, the bottom surface of the early warning box (31) is provided with a plurality of water leakage curved holes (30), the water leakage curved holes (30) are curved structures, and the top surfaces of the water leakage curved holes (30) are communicated with the inner cavity of the early warning box (31).

Background

The textile is a product formed by processing and weaving textile fibers, which is divided into two categories of woven fabric and knitted fabric, China is one of the earliest countries in the world for producing the textile, and the main production places are Zhejiang air Puji, Hebei Qinghe and the like. The correct stacking method of the textiles is to select a zone which is favorable for ventilation and is convenient for fire prevention, the all-cotton cloth is preferably placed in a place with good ventilation, for the textiles, the most important selection is favorable for ventilation firstly, otherwise, the textiles are stored for a long time, the middle part of the textiles can go moldy, spots can appear on the all-cotton cloth, even the phenomena of insect can appear, the cloth fastness is reduced, the cloth can be torn off by hands lightly, and the cloth becomes waste cloth.

The existing ventilation device is mainly characterized in that an air box is arranged on the inner wall surface part of a factory building for ventilation, and in order to ensure the effective storage area of textile fabrics in the factory building, the air box is often fixed on one side of the wall surface by using a wall-hanging type air box, so that the space is effectively utilized.

The existing wall-mounted type air box only has a simple air exhaust effect, air circulation in a factory building is realized through a fan in the use process, in the actual use process, a certain communication space is required between the factory building and the outside due to the air circulation, so that external rainwater can be blown into the factory building through a ventilating pipeline when extreme strong wind and heavy rain weather occurs, various textiles are wetted, the storage and installation properties of the textiles are seriously affected, meanwhile, for some air boxes with filtering and purifying functions, a filtering component in the air box needs to be disassembled and replaced at intervals, most of the filtering components are spliced according to a certain sequence, so that the replacement among the filtering components is extremely complicated, and the working efficiency is greatly reduced; and when carrying out the time of according again after dismantling bellows, receive the bulky of bellows, the installer is difficult to find the mounting hole of bolt for installation process efficiency reduces.

Disclosure of Invention

In order to overcome the defects in the prior art, the embodiment of the invention provides a filtering and purifying integrated hanging type ventilation device for a textile production factory building and a using method thereof, so as to solve the problems that rainwater enters the factory building, the replacement process of a filtering component is complicated and mounting holes are difficult to find due to the fact that the ventilation device in the prior art cannot be timely treated in heavy rain.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a weaving production filters integrative hanging ventilation unit of purification with factory building, includes air pipe, one side fixedly connected with air-out pipeline of air pipe, air pipe's top surface fixed mounting has rainstorm early warning mechanism, demountable installation has filtration purification mechanism in air pipe's the inner chamber, air pipe's bottom surface fixed mounting has rain-proof mechanism, rain-proof mechanism includes the motor case, the inner chamber fixed mounting of motor case has the motor, the output of motor is fixed to be cup jointed the output pivot, the outside fixedly connected with upset flashing board of output pivot, the top surface fixedly connected with of upset flashing board supports the compression leg, the inboard of supporting the compression leg has seted up the joint groove, the size in joint groove is greater than the cross section size of air pipe, one side fixed mounting of air pipe, air pipe's inboard sliding connection, one side of the telescopic spring is fixedly connected with the inner side of the ventilating duct;

the rainstorm early warning mechanism comprises an early warning box, wherein a vertical partition plate is fixedly mounted on the inner side of the early warning box, a water collecting inclined plate is fixedly mounted on the top surface of the early warning box, one side of the bottom surface of the water collecting inclined plate and the amount of the vertical partition plate are positioned on the same horizontal plane, floating plate sliding grooves are formed in the vertical partition plate and the inner side of the early warning box, a floating top plate is slidably connected to the inner sides of the floating plate sliding grooves, a sliding L-shaped electrode rod is slidably connected to the outer side of the early warning box, a fixed electrode rod is fixedly mounted on the outer side of the early warning box, the input ends of the fixed electrode rod and the sliding L-shaped electrode rod are electrically connected with a controller, the sliding L-shaped electrode rod is positioned on the bottom surface of the fixed electrode rod, and the floating top plate is positioned on the bottom surface of the sliding L-shaped electrode rod;

the filter purification mechanism comprises a filter element mounting ring, a filter element is clamped on the inner side of the filter element mounting ring, a sliding plate sliding groove is formed in the top surface of the filter element mounting ring, a sliding plate is connected to the inner side of the sliding plate sliding groove in a sliding mode, a limiting hole is formed in one side of the filter element mounting ring, a second adsorption magnet is fixedly mounted in the inner cavity of the limiting hole, a limiting shaft is fixedly mounted on the outer side of the filter element mounting ring, a first adsorption magnet is fixedly connected to one side of the limiting shaft, the first adsorption magnet and the second adsorption magnet attract each other, the cross sections of the first adsorption magnet, the limiting shaft and the limiting hole are identical in size, and when the first adsorption magnet and the limiting hole attract each other, the filter element mounting ring is tightly attached to the filter element mounting ring.

Preferably, the top surface sliding connection of air-out pipeline has the rebound post, one side fixedly connected with electrode feeler of rebound post, the top surface fixedly connected with fixed axle of air-out pipeline, the outside of fixed axle and one side fixed connection of electrode feeler.

Preferably, the bottom surface of the rebound post is fixedly provided with a connecting frame, one side of the connecting frame is fixedly provided with a rebound spring, and when the rebound spring is in a normal state, the two electrode contact blocks are mutually abutted.

Preferably, the inboard joint of early warning case has the metal filter screen, the opposite side and the perpendicular baffle of metal filter screen can be dismantled and be connected.

Preferably, a water leakage groove hole is formed in one side of the early warning box, a water plate sliding groove is formed in the outer side of the early warning box, a sliding water baffle is fixedly connected to the bottom surface of the sliding L-shaped electrode rod, and one side of the sliding water baffle corresponds to the water leakage groove hole.

Preferably, the bottom surface of the inner cavity of the air outlet pipeline is provided with a trapezoidal water leakage groove, and the size of the cross section of the top surface of the trapezoidal water leakage groove is larger than that of the cross section of the bottom surface of the trapezoidal water leakage groove.

A use method of a factory building filtering and purifying integrated hanging type ventilation device for textile production comprises the following steps:

s1, fixedly installing a device on the inner side of a wall surface of a factory building, enabling one side of an air outlet pipeline to be located on the outer side of the wall surface, enabling one side of an air pipeline to be located on the inner side of the factory building, and arranging small holes opposite to the small holes in the installation position of the wall surface;

s2, when heavy rain weather occurs, rainwater is blown to one side of the water collecting inclined plate, the rainwater flows downwards at one side of the water collecting inclined plate, water flow formed by the converged rainwater flows into an inner cavity of the early warning box, the floating top plate is gradually lifted under the floating action of the water flow, the floating top plate is lifted to drive the sliding L-shaped electrode rod to move upwards, the sliding L-shaped electrode rod moves to drive the sliding water baffle plate to move upwards at the inner side of the water plate chute, the water flow in the inner cavity of the early warning box flows outwards through the water leakage groove hole, when the water inflow speed is higher than the water outflow speed, the top surface of the sliding L-shaped electrode rod is connected with the bottom surface of the fixed electrode rod, and the circuit is connected;

s3, the circuit is connected to drive the output rotating shaft to rotate, the turnover rain-proof plate is further driven to rotate, the turnover rain-proof plate rotates to drive the pressing column to move upwards, when the inner side of the inclined water leakage hole is aligned with the outer side of the air outlet pipeline, the pressing column presses the rebound column to move, the rebound column moves to drive the rebound spring to stretch, the two electrode contact blocks are driven to be in contact with each other, the two electrode contact blocks are staggered to disconnect the circuit, and the motor stops rotating;

s4, when the filter element needs to be replaced, the filtering and purifying mechanism is taken out of the device, the sliding plate is pulled, the sliding plate moves on the inner side of a sliding groove of the sliding plate to drive the first adsorption magnet to move, the limiting shaft is further driven to move horizontally, the limiting shaft slides out of the inner side of the limiting hole, each layer of filter element mounting ring is disassembled, the filtering filter elements clamped on the inner side of the filter element mounting ring are replaced, after the replacement is completed, the first adsorption magnet is inserted into an inner cavity of the limiting hole, the first adsorption magnet and the second adsorption magnet mutually attract to drive the sliding plate to move horizontally, and the filter element mounting rings are mutually fixed;

and S5, when the device needs to be detached and installed again, the device slides on the inner side of the wall surface, and when the device moves to the inner side of the small hole, the device is installed and fixed through the bolt.

Preferably, in step S3, when the turnover rain guard is in a normal state, one side of the turnover rain guard is parallel to one side of the air outlet pipeline, and an inclined water leakage hole is formed in the inner side of the turnover rain guard and arranged in an inclined manner.

Preferably, in step S2, the bottom surface of the early warning box is provided with a plurality of water leakage curved holes, each water leakage curved hole is of a curved structure, and the top surfaces of the water leakage curved holes are communicated with the inner cavity of the early warning box.

The technical scheme of the invention has the following beneficial effects:

1. in the scheme, through the mutual matching of the rain-proof mechanism and the rainstorm early warning mechanism, the intensity of the impacted rainwater can be detected through the rainstorm early warning mechanism when extreme heavy rain weather is met, and the controller can control the rain-proof mechanism to be closed when the rainwater amount is too large, so that the air outlet pipeline is shielded, the condition that the textile is wetted due to the fact that too large rainwater enters a factory building is prevented, and the storage safety of the textile is effectively improved;

2. in the scheme, under the action of the filtering and purifying mechanism, when the integral filter element of the device is disassembled and replaced after a period of time, the two filter element mounting rings can be quickly and independently disassembled, and the filter elements in the two filter element mounting rings can be replaced and fixed again, so that the filtering and purifying mechanism can be quickly disassembled and replaced, and the maintenance convenience of the device is improved;

3. in the above-mentioned scheme, through the effect for can fix a position fast through coming the mounting hole when dismantling in the installation that carries out the device, prevent to dismantle after the maintenance because the volume influence of device leads to being difficult to seek the mounted position of hole, and then lead to the inefficiency of secondary installation work.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 at A in accordance with the present invention;

FIG. 3 is a schematic view of the rain protection mechanism of the present invention;

FIG. 4 is a schematic structural view of a rainstorm warning mechanism of the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 at B in accordance with the present invention;

FIG. 6 is a schematic view of the filtering and purifying mechanism of the present invention;

fig. 7 is a partial structure diagram of the filtering and purifying mechanism of the present invention.

[ reference numerals ]

1. A rain-proof mechanism; 2. an air outlet pipeline; 3. a rainstorm warning mechanism; 4. a ventilation duct; 5. a filtration and purification mechanism; 6. a rebound post; 7. an electrode contact block; 8. a rebound spring; 11. turning over the flashing board; 12. a pressing column; 13. the water leakage hole is obliquely arranged; 14. a motor case; 15. an output shaft; 30. a water leakage curved hole; 31. an early warning box; 32. a metal screen; 33. a water collecting sloping plate; 34. a vertical partition; 35. fixing the electrode rod; 36. sliding the L-shaped electrode rod; 37. sliding the water baffle; 38. a water leakage slot hole; 39. a floating roof; 311. a water plate chute; 51. a filter element mounting ring; 52. a first adsorption magnet; 53. a limiting shaft; 54. a sliding plate; 55. a slide plate chute; 56. a limiting hole; 57. a filter element; 58. and a second attracting magnet.

Detailed Description

In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

The embodiment of the invention provides a factory building filtering and purifying integrated hanging type ventilation device for textile production and a use method thereof as shown in attached figures 1 to 7, the factory building filtering and purifying integrated hanging type ventilation device comprises a ventilation pipeline 4, one side of the ventilation pipeline 4 is fixedly connected with an air outlet pipeline 2, the top surface of the ventilation pipeline 4 is fixedly provided with a rainstorm early warning mechanism 3, a filtering and purifying mechanism 5 is detachably arranged in the inner cavity of the ventilation pipeline 4, the bottom surface of the air outlet pipeline 2 is fixedly provided with a rainproof mechanism 1, the rainproof mechanism 1 comprises a motor box 14, the inner cavity of the motor box 14 is fixedly provided with a motor, the output end of the motor is fixedly sleeved with an output rotating shaft 15, the outer side of the output rotating shaft 15 is fixedly connected with an overturning rainproof plate 11, the top surface of the overturning rainproof plate 11 is fixedly connected with a pressure resisting column 12, the inner side of the pressure resisting column 12 is provided with a clamping groove, the size of the clamping groove is larger than the size of the cross section of the air outlet pipeline 2, one side of the ventilation pipeline 4 is fixedly provided with 41, the inner side of the ventilation pipeline 4 is connected with 42 in a sliding mode, one side of 42 is fixedly connected with an expansion spring, one side of the expansion spring is fixedly connected with the inner side of the ventilation pipeline 4, a trapezoidal water leakage groove is formed in the bottom surface of the inner cavity of the air outlet pipeline 2, and the size of the cross section of the top surface of the trapezoidal water leakage groove is larger than that of the bottom surface of the trapezoidal water leakage groove;

in this embodiment, the rainstorm warning mechanism 3 includes a warning box 31, a vertical partition 34 is fixedly installed on the inner side of the warning box 31, a water collection inclined plate 33 is fixedly installed on the top surface of the warning box 31, one side of the bottom surface of the water collection inclined plate 33 and the vertical partition 34 are located on the same horizontal plane, floating plate chutes are formed on the inner sides of the vertical partition 34 and the warning box 31, floating top plates 39 are slidably connected to the inner sides of the floating plate chutes, sliding L-shaped electrode rods 36 are slidably connected to the outer side of the warning box 31, fixed electrode rods 35 are fixedly installed on the outer side of the warning box 31, input ends of the fixed electrode rods 35 and the sliding L-shaped electrode rods 36 are electrically connected with a controller, the sliding L-shaped electrode rods 36 are located on the bottom surface of the fixed electrode rods 35, the floating top plates 39 are located on the bottom surface of the sliding L-shaped electrode rods 36, a metal filter screen 32 is clamped on the inner side of the warning box 31, and the other side of the metal filter screen 32 is detachably connected with the vertical partition 34;

specifically, the metal filter screen 32 is clamped on the inner side of the early warning box 31, the other side of the metal filter screen 32 is detachably connected with the vertical partition plate 34, and the situation that sundries such as fallen leaves block the water leakage curved hole 30 is prevented.

Specifically, a water leakage groove hole 38 is formed in one side of the early warning box 31, a water plate sliding groove 311 is formed in the outer side of the early warning box 31, a sliding water baffle 37 is fixedly connected to the bottom surface of the sliding L-shaped electrode rod 36, and one side of the sliding water baffle 37 corresponds to the water leakage groove hole 38, so that rainwater can be drained according to the water inflow, and the phenomenon that water is accumulated in the inner cavity of the early warning box 31 too much is prevented.

In this embodiment, the filtering and purifying mechanism 5 includes a filter element mounting ring 51, a filtering filter element 57 is clamped on the inner side of the filter element mounting ring 51, a sliding plate sliding groove 55 is formed in the top surface of the filter element mounting ring 51, a sliding plate 54 is slidably connected to the inner side of the sliding plate sliding groove 55, a limiting hole 56 is formed in one side of the filter element mounting ring 51, a second adsorption magnet 58 is fixedly mounted in the inner cavity of the limiting hole 56, a limiting shaft 53 is fixedly mounted on the outer side of the filter element mounting ring 51, a first adsorption magnet 52 is fixedly connected to one side of the limiting shaft 53, the first adsorption magnet 52 and the second adsorption magnet 58 attract each other, the cross sections of the first adsorption magnet 52, the limiting shaft 53 and the limiting hole 56 are consistent in size, and when the first adsorption magnet 52 and the limiting hole 56 attract each other, the filter element mounting ring 51 is tightly attached to each other.

In this embodiment, the top surface sliding connection of air-out pipeline 2 has resilience post 6, one side fixedly connected with electrode feeler 7 of resilience post 6, the top surface fixedly connected with fixed axle of air-out pipeline 2, the outside of fixed axle and one side fixed connection of electrode feeler 7, the bottom surface fixed mounting of resilience post 6 has the link, one side fixed mounting of link has rebound spring 8, when rebound spring 8 is in the normality, the mutual butt of two electrode feelers 7.

Specifically, one side fixedly connected with electrode feeler 7 of post 6 kick-backs, the outside of fixed axle and one side fixed connection of electrode feeler 7, rebound spring 8 is when the normality, and two electrode feelers 7 butt each other for when air-out pipeline 2 is closed, the motor can in time stall.

In this embodiment, when the upset flashing 11 is in the normality, one side of upset flashing 11 is parallel to each other with one side of air-out pipeline 2, and the inboard of upset flashing 11 has been seted up and has been put the hole 13 that leaks to one side, and the hole 13 that leaks to one side is the slope and arranges downwards, and a plurality of curved holes 30 that leak have been seted up to early warning case 31 bottom surface, and the curved holes 30 that leak are curved structure, and the top surface of the curved holes 30 that leaks communicates each other with the inner chamber of early warning case 31.

Specifically, when upset flashing board 11 is in the normality, one side of upset flashing board 11 is parallel to each other with one side of air-out pipeline 2, and the inboard of upset flashing board 11 has been seted up and has been put the hole 13 that leaks to one side, puts the hole 13 that leaks to one side and be the slope and arranges downwards, and the rainwater collects the inboard in joint groove when preventing that upset flashing board 11 from rotating.

Specifically, a plurality of curved holes 30 that leak have been seted up to early warning case 31 bottom surface, and the curved holes 30 that leak are curved structure, and the top surface of the curved holes 30 that leak communicates with the inner chamber of early warning case 31 each other, guarantees to prevent under the condition that the rainwater can circulate that the speed of leaking leads to early warning case 31 inner chamber ponding can't make the showy condition of roof 39 take place that floats.

The working process of the invention is as follows:

the first step is as follows: the device is fixedly arranged on the inner side of the wall surface of a factory building, so that one side of the air outlet pipeline 2 is positioned on the outer side of the wall surface, one side of the ventilation pipeline 4 is positioned on the inner side of the factory building, and a small hole opposite to 42 is formed in the mounting position of the wall surface;

the second step is that: when heavy rain weather occurs, rainwater is blown to one side of the water collecting inclined plate 33, the rainwater flows downwards at one side of the water collecting inclined plate 33, the water flow formed by the rainwater flows into the inner cavity of the early warning box 31, the floating top plate 39 gradually rises under the floating action of the water flow, the floating top plate 39 rises to drive the sliding L-shaped electrode rod 36 to move upwards, the sliding L-shaped electrode rod 36 moves to drive the sliding water baffle 37 to move upwards at the inner side of the water baffle sliding groove 311, the water flow in the inner cavity of the early warning box 31 flows outwards through the water leakage groove hole 38, when the water inflow speed of the water flow is higher than the water outflow speed, the top surface of the sliding L-shaped electrode rod 36 is connected with the bottom surface of the fixed electrode rod 35, and the circuit is connected;

the third step: the circuit switch-on drives output pivot 15 and rotates, further drives upset flashing 11 and rotates, and upset flashing 11 rotates and drives to offset on the compression leg 12, and when the inboard of putting the hole 13 that leaks to one side just to the time with the outside of air-out pipeline 2, it supports to press the compression leg 12 to support and press rebound post 6 to remove, and 6 removals of rebound post drive rebound spring 8 stretches, and then drives two electrode touch multitouch 7 and contact each other, and two 7 staggered make circuit disconnection of electrode touch multitouch, motor stall:

the fourth step: when the filter core needs to be changed, take out filtering and purifying mechanism 5 from the device, pulling sliding plate 54, sliding plate 54 moves in the inboard of slide board spout 55 and drives first absorption magnet 52 and remove, further drive spacing axle 53 horizontal migration, spacing axle 53 is from the inboard roll-off in spacing hole 56, dismantle each layer of filter core collar 51, change the filtration filter core 57 of the inboard joint of filter core collar 51, after the change is accomplished, insert first absorption magnet 52 in the inner chamber in spacing hole 56, first absorption magnet 52 drives sliding plate 54 horizontal migration with second absorption magnet 58 inter attraction, mutual fixed between the filter core collar 51:

the fifth step: when the device is required to be disassembled and re-assembled, the device 42 slides on the inner side of the wall surface, and when the device 42 moves to the inner side of the small hole, the device is assembled and fixed through a bolt.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.