1. The utility model provides a building wall-hung type new trend breather which characterized in that: the box body is characterized by comprising a box body (1) hung at an outer wall, wherein the front end of the box body (1) is hinged with a box door (2) capable of being opened in a turnover mode, a transverse air pipe (3) is arranged inside the box body (2), a vertical pipe (4) is arranged at the position, close to the left side, of the air pipe (3), and an air inlet machine (5) is assembled after the lower end of the vertical pipe (4) extends to the outside of the box body (1); the upper end of the vertical pipe (4) is provided with a detachable pipe cover (401); a retainer ring (402) is arranged on the inner wall of the vertical pipe (4), the retainer ring (402) is positioned below the air pipe (3), and the upper end of the retainer ring (402) protrudes upwards to form a connecting pipe (403); a first connecting pipe (404) with the same size as the connecting pipe (403) is arranged at the lower end of the pipe cover (401), and a metal filter screen (405) is assembled between the connecting pipe (403) and the first connecting pipe (404); an air filter element (406) is arranged between the connecting pipe (403) and the outside of the first connecting pipe (404); an elbow (407) is arranged at the upper end of the tube cover (401), when the box door (2) is closed, the elbow (407) penetrates out of the box door (2), the tail end of the elbow (407) is in threaded connection with a first tube cover (408), and the box door (2) is pressed after the first tube cover (408) is screwed in; a second connecting pipe (301) is arranged at the upper end of the air pipe (3); a blower (5) is arranged in the box body (1), an air guide pipe (501) is connected between the blower (5) and the second connecting pipe (301), and an air outlet pipe (502) is matched between the blower (5) and an indoor fresh air pipeline; an exhaust fan (6) is further installed inside the box body (1), the exhaust fan (6) is connected with a first air outlet pipe (601), the first air outlet pipe (601) penetrates through the box body (1) and then extends outwards, and an exhaust pipe (602) is matched between the exhaust fan (6) and an indoor fresh air exhaust pipeline; an air inlet heating device (7) is arranged at the tail end of the air pipe (3).

2. The building wall-hung fresh air ventilating device according to claim 1, characterized in that: the bottom of the retainer ring (402) is provided with a conical air inlet hole (411).

3. The building wall-hung fresh air ventilating device according to claim 1, characterized in that: the left end of the air pipe (3) protrudes to the outside of the vertical pipe (4).

4. The building wall-hung fresh air ventilating device according to claim 1, characterized in that: the air inlet heating device (7) comprises an end cover (701), and a connecting part (702) is arranged at the left end of the end cover (701); an axial tube (703) is arranged at the axial center of the left end of the end cover (701), the axial tube (703) is inserted into the air pipe (3), a first annular plate (704) is arranged at the left end of the axial rod (703), a second shift (705) is arranged at the outer wall of the axial rod (703), the first annular plate (704) and the second annular plate (705) are both attached to the inner wall of the air pipe (3), heat exchange fins (706) are arranged between the first annular plate (704) and the second annular plate (705), an air channel is formed between adjacent heat exchange fins (706), and a ventilation hole (707) corresponding to the air channel is annularly arranged on the surface of the first annular plate (704); the outer wall of the heat exchange fin (706) is in clearance fit with the air pipe (3); a water inlet pipe (708) and a water outlet pipe (709) are arranged on the outer wall of the end cover (701), and the water inlet pipe (708) and the water outlet pipe (709) are positioned on the same diameter line of the end cover (701); the right end of the air pipe (3) is inserted into the connecting part (702); the outer wall of the connecting part (702) is screwed into a screw (710) which is connected with the air pipe (3).

5. The building wall-hung fresh air ventilating device according to claim 4, characterized in that: and a heat insulation ring (797) made of heat insulation cotton is arranged outside the axle center pipe (703) and at the right side position of the second annular plate (705).

6. The building wall-hung fresh air ventilating device according to claim 4, characterized in that: the right end of the end cover (701) penetrates through, a first end cover (711) is detachably assembled at the right end of the end cover (701), an insertion pipe (712) is arranged at the axis of the left end of the first end cover (711), the left end of the insertion pipe (712) is closed, the left end of the insertion pipe (712) abuts against the inner end face of the axis pipe (703) after the first end cover (711) is assembled, and a water channel (713) is formed between the insertion pipe (712) and the axis pipe (703); hot water entering from the inlet pipe (708) is distributed through the water channel (713); the water distributed through the water channel (713) flows out through the water outlet pipe (709); the insertion tube (712) is filled with heat insulation cotton (714), and a cover (715) is screwed into an opening at the right end of the insertion tube (712); the outer wall of the first end cover (711) is provided with a connecting plate (721), the tail end of the connecting plate (721) is provided with a U-shaped groove (722), the outer wall of the end cover (701) is provided with a bolt (723), and the bolt (723) penetrates through the U-shaped groove (722) and then is matched with a nut (724).

7. The building wall-hung fresh air ventilating device according to claim 5, characterized in that: a first retaining ring (716) and a second retaining ring (717) are arranged on the outer wall of the insertion tube (712), a front partition plate and a rear partition plate (718) are welded between the first retaining ring (716) and the second retaining ring (717), a water inlet cavity (719) is formed above the two partition plates (718), a water return cavity (720) is formed below the two partition plates (718), and the first retaining ring (716) and the second retaining ring (717) are attached to the inner wall of the end cover (701); the water inlet pipe (708) corresponds to the water inlet cavity (719); the water outlet pipe (709) corresponds to the water return cavity (720); an arc-shaped water outlet groove (777) communicated with the water inlet cavity (719) and an arc-shaped water inlet groove (778) communicated with the water return cavity (720) are formed in the surface of the first retainer ring (716); the water inlet cavity (719) is internally paved with filter cotton (799), and the filter cotton (799) covers the arc-shaped water outlet groove (777).

Background

The fresh air system is a set of independent air processing system consisting of an air supply system and an air exhaust system and is divided into a pipeline type fresh air system and a pipeline-free fresh air system. The ductless fresh air system consists of a fresh air fan and pipeline fittings, and is used for purifying outdoor air and leading the outdoor air into a room and discharging the indoor air through a pipeline. Relatively speaking, the pipeline type fresh air system is more suitable for being used in industrial or large-area office areas due to large engineering quantity, and the pipeline-free fresh air system is more suitable for being used in families due to convenient installation.

In the fresh air system in the prior art, a main machine which is responsible for exchanging air flow is arranged in a ceiling plate and is usually positioned in a top plate of a kitchen, an air filter element which is responsible for filtering air needs to be frequently replaced or cleaned, when the fresh air system is used for processing, the fresh air system needs to climb by means of a ladder stand, the fresh air system is difficult to clean, and particularly, people with poor manual ability can only be called a merchant to replace the fresh air system.

Based on the problems, the building wall-hung type fresh air ventilation device which is installed outdoors and is convenient to maintain is designed.

Disclosure of Invention

The invention aims to provide a building wall-hung type fresh air ventilation device which is arranged outdoors and is convenient to maintain.

In order to solve the problems, the invention adopts the following technical scheme:

a building wall-hung type fresh air ventilation device comprises a box body hung at an outer wall, wherein the front end of the box body is hinged with a box door capable of being opened in a turnover mode, a transverse air pipe is arranged inside the box body, a vertical pipe is arranged at the position, close to the left side, of the air pipe, and an air inlet machine is assembled after the lower end of the vertical pipe extends to the outside of the box body; the upper end of the vertical pipe is provided with a detachable pipe cover; a check ring is arranged on the inner wall of the vertical pipe and is positioned below the air pipe, and the upper end of the check ring protrudes upwards to form a connecting pipe; a first connecting pipe with the same size as the connecting pipe is arranged at the lower end of the pipe cover, and a metal filter screen is assembled between the connecting pipe and the first connecting pipe; an air filter element is assembled between the connecting pipe and the outside of the first connecting pipe; the upper end of the pipe cover is provided with a bent pipe, when the box door is closed, the bent pipe penetrates out of the box door, the tail end of the bent pipe is in threaded connection with a first pipe cover, and the first pipe cover is screwed in and then presses the box door; a second connecting pipe is arranged at the upper end of the air pipe; an air feeder is arranged in the box body, an air guide pipe is connected between the air feeder and the second connecting pipe, and an air outlet pipe is matched between the air feeder and the indoor fresh air pipeline; an exhaust fan is further mounted inside the box body and connected with a first air outlet pipe, the first air outlet pipe penetrates through the box body and then extends outwards, and an exhaust pipe is matched between the exhaust fan and an indoor fresh air exhaust pipeline; and an air inlet heating device is arranged at the tail end of the air pipe.

Preferably, the bottom of the retainer ring is provided with a conical air inlet hole; the air inlet hole is mainly formed to reduce air inlet resistance and enable air to be more smooth.

Preferably, the left end of the air pipe protrudes to the outside of the standpipe; this structure can enlarge air filter's outside clearance, increases the air volume.

Preferably, the air inlet heating device comprises an end cover, and a connecting part is arranged at the left end of the end cover; an axial tube is arranged at the axial center of the left end of the end cover and inserted into the air duct, a first annular plate is arranged at the left end of the axial rod, a second annular plate is arranged at the outer wall of the axial rod, the first annular plate and the second annular plate are both attached to the inner wall of the air duct, heat exchange fins are arranged between the first annular plate and the second annular plate, an air duct is formed between adjacent heat exchange fins, and ventilation holes corresponding to the air duct are annularly arranged on the surface of the first annular plate; the outer walls of the heat exchange fins are in clearance fit with the air pipes; a water inlet pipe and a water outlet pipe are arranged on the outer wall of the end cover, and the water inlet pipe and the water outlet pipe are positioned on the same diameter line of the end cover; the right end of the air pipe is inserted into the connecting part; the outer wall of the connecting part is screwed in and then connected with a screw of the air pipe; the structure can be butted with an indoor floor heating pipeline, when the temperature is lower in winter, the axle center pipe can be heated through circulation of floor heating water, cold air fed from the left side of the air pipe enters through the ventilation hole after the temperature is raised, and then the cold air passes through the heat exchange fins after heat exchange and is upwards fed into the room through the air feeder; in the structure, the heat exchange fins are clamped between the first annular plate and the second annular plate, and the first annular plate, the second annular plate and the inner wall of the air pipe are in contact with each other, so that the contact rate of blown cold air and the heat exchange fins is increased, the heat exchange rate is improved, the heat exchange effect of the cold air is improved, and the blown fresh air in a room is more comfortable. Meanwhile, the structure is convenient to disassemble and replace or maintain.

Preferably, a heat preservation ring made of heat preservation cotton is arranged outside the axle center pipe and at the right side of the second annular plate; the structure mainly protects the part of the axle tube which does not participate in heat exchange, and reduces the loss of temperature.

Preferably, the right end of the end cover is through, a first end cover is detachably assembled at the right end of the end cover, an insertion tube is arranged at the left end axle center of the first end cover, the left end of the insertion tube is closed, the insertion tube abuts against the inner end surface of the axle center tube after the first end cover is assembled, and a water channel is formed between the insertion tube and the axle center tube; hot water entering from the water inlet pipe is distributed through the water channel; the water distributed through the water channel flows out through the water outlet pipe; the insertion tube is filled with heat insulation cotton, and a cover is screwed into the opening at the right end of the insertion tube; a connecting plate is arranged on the outer wall of the first end cover, a U-shaped groove is formed in the tail end of the connecting plate, a bolt is arranged on the outer wall of the end cover, and a nut is matched after the bolt penetrates through the U-shaped groove; the structure can reduce the passing space of hot water and increase the speed of hot water circulation (because the space is small, under the condition of the same flow, the flow speed of the hot water passing through the water channel is increased); the hot water circulation speed is increased, the water in the water channel can be kept in a relatively high-temperature state, the heat exchange fins can be better heated, and the temperature of the fed fresh air is increased. In the structure, the heat insulation cotton is filled in the insertion pipe, so that the heat loss is reduced, and the heat insulation effect is achieved.

Preferably, a first retaining ring and a second retaining ring are arranged on the outer wall of the insertion tube, a front partition plate and a rear partition plate are welded between the first retaining ring and the second retaining ring, a water inlet cavity is formed above the two partition plates, a water return cavity is formed below the two partition plates, and the first retaining ring and the second retaining ring are both attached to the inner wall of the end cover; the water inlet pipe corresponds to the water inlet cavity; the water outlet pipe corresponds to the water return cavity; an arc-shaped water outlet groove communicated with the water inlet cavity and an arc-shaped water inlet groove communicated with the water return cavity are formed in the surface of the first check ring; filter cotton is laid in the water inlet cavity and covers the arc-shaped water outlet groove; under the condition of not using the first retaining ring and the second retaining ring, partial hot water directly enters the water outlet pipe from the water inlet pipe, and the lower hot water utilization rate is caused. After the structure is adopted, water must enter the water channel, so that the utilization rate of hot water is improved; in addition, in the structure, hot water can be filtered through the filter cotton, and the probability of pipeline blockage is reduced.

The invention has the beneficial effects that:

1) the device is arranged outdoors, firstly, the condition that the air inlet of the fresh air system is opposite to a gas smoke tube of a kitchen in the traditional technology is avoided, and indoor personnel poisoning is avoided;

2) the device is arranged outdoors, the installation height can be selected to be low, and the maintenance is convenient for personnel;

3) the device has self-cleaning capability, when in operation, the bent pipe is conducted only by rotating and opening the first pipe cover, then the power of the air inlet fan is increased, and at the moment, the fan entering at high speed blows out the air attached to the inner surface of the metal filter screen to realize cleaning;

4) in the device, large particles can be filtered out through the metal filter screen, so that the service life of the air filter element is prolonged;

5) when the device is maintained, the air filter element and the metal filter screen can be detached for maintenance only by opening the box door and upwards detaching the pipe cover, the operation is simple and convenient, and the device can be operated without professional staff;

6) the structure of this device is comparatively simple, and the cost is comparatively cheap, is fit for using widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a cross-sectional view of a standpipe;

FIG. 3 is a front view of the standpipe;

FIG. 4 is a cross-sectional view of the intake air heating apparatus;

FIG. 5 is a front view of the cannula;

figure 6 is a side view of a cannula.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1

A building wall-hung type fresh air ventilation device comprises a box body 1 hung at an outer wall, wherein the front end of the box body 1 is hinged with a box door 2 capable of being opened in a turnover mode, a transverse air pipe 3 is arranged inside the box body 2, a vertical pipe 4 is arranged at the position, close to the left side, of the air pipe 3, and an air inlet machine 5 is assembled after the lower end of the vertical pipe 4 extends to the outside of the box body 1; a removable pipe cover 401 is arranged at the upper end of the vertical pipe 4; a retainer ring 402 is arranged on the inner wall of the vertical pipe 4, the retainer ring 402 is positioned below the air pipe 3, and the upper end of the retainer ring 402 protrudes upwards to form a connecting pipe 403; a first connection pipe 404 having the same size as the connection pipe 403 is provided at the lower end of the pipe cover 401, and a metal filter screen 405 is assembled between the connection pipe 403 and the first connection pipe 404; an air filter 406 is fitted between the connection pipe 403 and the outside of the first connection pipe 404; an elbow 407 is arranged at the upper end of the tube cover 401, when the box door 2 is closed, the elbow 407 penetrates out of the box door 2, a first tube cover 408 is connected to the tail end of the elbow 407 through a thread, and the box door 2 is pressed after the first tube cover 408 is screwed in; a second connecting pipe 301 is arranged at the upper end of the air pipe 3; a blower 5 is installed inside the box body 1, an air guide pipe 501 is connected between the blower 5 and the second connecting pipe 301, and an air outlet pipe 502 is matched between the blower 5 and an indoor fresh air pipeline; an exhaust fan 6 is further installed inside the box body 1, the exhaust fan 6 is connected with a first air outlet pipe 601, the first air outlet pipe 601 penetrates through the box body 1 and then extends outwards, and an exhaust pipe 602 is matched between the exhaust fan 6 and an indoor fresh air exhaust pipeline; and an air inlet heating device 7 is arranged at the tail end of the air pipe 3.

Example 2

The bottom of the retainer ring 402 is provided with a conical air inlet hole 411; the air inlet holes 411 are arranged to reduce air inlet resistance and make air inlet smoother.

Example 3

The left end of the air pipe 3 protrudes out of the vertical pipe 4; this structure can enlarge air filter's outside clearance, increases the air volume.

Example 4

The air inlet heating device 7 comprises an end cover 701, and a connecting part 702 is arranged at the left end of the end cover 701; an axial tube 703 is arranged at the axial center of the left end of the end cover 701, the axial tube 703 is inserted into the air duct 3, a first annular plate 704 is arranged at the left end of the axial rod 703, a second annular plate 705 is arranged at the outer wall of the axial rod 703, the first annular plate 704 and the second annular plate 705 are both attached to the inner wall of the air duct 3, heat exchange fins 706 are arranged between the first annular plate 704 and the second annular plate 705, an air duct is formed between adjacent heat exchange fins 706, and a ventilation hole 707 corresponding to the air duct is annularly arranged on the surface of the first annular plate 704; the outer wall of the heat exchange fin 706 is in clearance fit with the air duct 3; an inlet pipe 708 and an outlet pipe 709 are arranged on the outer wall of the end cover 701, and the inlet pipe 708 and the outlet pipe 709 are positioned on the same diameter line of the end cover 701; the right end of the air duct 3 is inserted into the connecting part 702; the outer wall of the connecting part 702 is screwed with a screw 710 connected with the air pipe 3; the structure can be abutted to indoor floor heating pipelines, when the temperature is lower in winter, the axle center pipe 703 can be heated through circulation of floor heating water, after the temperature is raised, cold air fed from the left side of the air pipe enters through the ventilation hole, then passes through the heat exchange fin 706 after heat exchange, and then upwards passes through the air feeder 5 to be fed into the room; in the structure, the heat exchange fins are clamped between the first annular plate 704 and the second annular plate 705, and the first annular plate 704, the second annular plate 705 and the inner wall of the air pipe 3 are contacted with each other, so that the contact rate of blown cold air and the heat exchange fins is increased, the heat exchange rate is improved, the heat exchange effect of the cold air is improved, and the blown fresh air in a room is more comfortable.

Example 5

A heat insulation ring 797 made of heat insulation cotton is arranged outside the axial core pipe 703 and at the right side of the second annular plate 705; the above structure mainly protects the portion of the axial tube 703 that does not participate in heat exchange, and reduces the loss of temperature.

Example 6

The right end of the end cover 701 penetrates through the end cover, a first end cover 711 is detachably assembled at the right end of the end cover 701, an insertion tube 712 is arranged at the axle center of the left end of the first end cover 711, the left end of the insertion tube 712 is closed, the insertion tube is abutted against the inner end surface of the axle center tube 703 after the first end cover 711 is assembled, and a water channel 713 is formed between the insertion tube 712 and the axle center tube 703; hot water entering from the inlet pipe 708 is distributed through the water channel 713; the water distributed through the water channel 713 flows out through the water outlet pipe 709; the insertion tube 712 is filled with heat insulation cotton 714, and a cover 715 is screwed into the opening at the right end of the insertion tube 712; a connecting plate 721 is arranged on the outer wall of the first end cover 711, a U-shaped groove 722 is arranged at the end of the connecting plate 721, a bolt 723 is arranged on the outer wall of the end cover 701, and a nut 724 is matched after the bolt 723 passes through the U-shaped groove 722; the above structure can reduce the passing space of the hot water, and increase the speed of the hot water circulation (because the space is small, the flow speed of the hot water passing through the water channel 713 is increased under the condition of the same flow rate); the hot water circulation speed is increased, so that the water in the water channel 713 can be kept in a relatively high-temperature state, the heat exchange fins can be better heated, and the temperature of the fed fresh air can be increased. In the above structure, the heat insulation cotton 714 is filled in the insertion tube 712, which is used for reducing the heat loss and playing a role in heat insulation.

Example 7

A first retaining ring 716 and a second retaining ring 717 are arranged on the outer wall of the insertion tube 712, a front partition plate 718 and a rear partition plate 718 are welded between the first retaining ring 716 and the second retaining ring 717, a water inlet cavity 719 is formed above the two partition plates 718, a water return cavity 720 is formed below the two partition plates 718, and the first retaining ring 716 and the second retaining ring 717 are both attached to the inner wall of the end cover 701; the water inlet pipe 708 corresponds to the water inlet cavity 719; the water outlet pipe 709 corresponds to the water return cavity 720; an arc-shaped water outlet groove 777 communicated with the water inlet cavity 719 and an arc-shaped water inlet groove 778 communicated with the water return cavity 720 are formed in the surface of the first retaining ring 716; filter cotton 799 is laid in the water inlet cavity 719, and the filter cotton 799 covers the arc-shaped water outlet groove 777; without the use of the first and second retaining rings 716, 717, a portion of the hot water enters the outlet pipe 709 directly from the inlet pipe 708, resulting in a lower hot water utilization. After the structure is adopted, water must enter the water channel 713, and the utilization rate of hot water is improved; in addition, in the structure, hot water can be filtered through the filter cotton 799, and the probability of pipeline blockage is reduced.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.