1. The utility model provides a new-type fan alarm control device which characterized in that: the temperature sensor is connected with the input end of the controller, and the temperature sensor is arranged on the switch device; the power supply end of the controller is electrically connected with the storage battery, the alarm is connected with the power supply end of the storage battery, and the fan device is connected with the power supply end of the storage battery;

the fan device comprises a fan mounting rack (1) and a fan (2), wherein the fan mounting rack (1) comprises a top plate (3) and two L-shaped fixed plates (4), and the two L-shaped fixed plates are symmetrically arranged at the left end and the right end of the top plate (3); a bottom plate (5) parallel to the top plate is arranged below the top plate (3), an installation plate (6) parallel to the bottom plate is arranged at the upper end of the bottom plate (5), fan installation ports corresponding to the positions of the installation plate and the bottom plate are respectively formed in the installation plate and the bottom plate, and the fan (2) penetrates through the fan installation ports and then is fixed on the installation plate (6) and the bottom plate (5); threaded holes A are formed in the left end and the right end of the mounting plate (6), bolts A (7) are arranged in the threaded holes A, and the mounting plate (6) is fixed on the bottom plate (5) through the bolts A (7); a threaded hole B is formed in a plate in the L-shaped fixing plate (4) in the horizontal direction, a bolt B (8) is arranged in the threaded hole B, and the fan mounting frame (1) is fixedly connected with the bottom plate (5) through the bolt B (8); a ventilation channel (9) is formed between the top plate (3) and the mounting plate (6);

the lower extreme fixedly connected with fan cover (10) of fan (2), fan cover (10) are by the round platform shape of top to bottom diameter increase progressively, and the inside cavity of fan cover.

2. The novel fan alarm control device of claim 1, characterized in that: the bottom surface of the fan cover (10) is provided with a plurality of vent holes (11).

3. The novel fan alarm control device of claim 2, characterized in that: the fan cover (10) is internally provided with a water absorption layer (12), a dust filtering layer (13) and a filter screen (14), wherein the water absorption layer, the dust filtering layer and the filter screen are sequentially and horizontally arranged from top to bottom.

4. The novel fan alarm control device of claim 3, characterized in that: the filter screen (14) is a lining screen.

5. The working method of the novel fan alarm control device according to any one of claims 1-4, characterized by comprising the following steps: the method comprises the following steps:

when the temperature in the switch equipment changes, the temperature sensor detects the temperature change in the switch equipment, so that the controller controls the fan (2) to operate and simultaneously enables the alarm to operate, and an alarm signal is sent out; the fan (2) works to dissipate heat in the switch equipment, the temperature in the switch equipment is detected by the temperature sensor after being reduced, and the controller controls the fan (2) to stop running and enables the alarm to stop running;

when fan (2) broke down and need be changed, unscrew bolt B (8) and pull down bottom plate (5) from fan mounting bracket (1), unscrew bolt A (7) again and pull down mounting panel (6) from bottom plate (5), pull down fan (2) again from bottom plate (5) and install new fan on bottom plate (5), pass through bolt A with mounting panel and bottom plate fixed linking to each other again, pass through bolt B with bottom plate and fan mounting bracket fixed linking to each other again, the change of fan is accomplished.

Background

According to the needs of power transmission and transformation switchgear, in order to meet the requirement that temperature rise meets the standard during operation of large-capacity switchgear, a fan circulating system is often required to be additionally arranged in the switchgear, the ventilation flow is increased according to the operation condition of the switchgear, the ventilation effect is improved, and the fan circulating system is started and stopped in due time to achieve the ventilation and cooling effects, so that a fan alarm control device is arranged in the switchgear. At present, most of fans of the existing fan alarm control device are fixedly installed on a cabinet top plate of switch equipment, and after the fans go wrong, the whole replacement process of the fans is time-consuming and labor-consuming.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides a novel fan alarm control device and method.

In order to solve the technical problems, the invention adopts the technical scheme that: a novel fan alarm control device comprises a fan device, a temperature sensor, a controller, an alarm and a storage battery, wherein the temperature sensor is connected with the input end of the controller and is arranged on a switch device; the power supply end of the controller is electrically connected with the storage battery, the alarm is connected with the power supply end of the storage battery, and the fan device is connected with the power supply end of the storage battery;

the fan device comprises a fan mounting rack and a fan, wherein the fan mounting rack comprises a top plate and two L-shaped fixed plates, and the two L-shaped fixed plates are symmetrically arranged at the left end and the right end of the top plate; a bottom plate parallel to the top plate is arranged below the top plate, an installation plate parallel to the bottom plate is arranged at the upper end of the bottom plate, fan installation ports corresponding to the positions of the installation plate and the bottom plate are respectively formed in the installation plate and the bottom plate, and the fan penetrates through the fan installation ports and then is fixed on the installation plate and the bottom plate; the left end and the right end of the mounting plate are both provided with threaded holes A, bolts A are arranged in the threaded holes A, and the mounting plate is fixed on the bottom plate through the bolts A; a threaded hole B is formed in a plate in the L-shaped fixing plate in the horizontal direction, a bolt B is arranged in the threaded hole B, and the fan mounting frame is fixedly connected with the bottom plate through the bolt B; a ventilation channel is formed between the top plate and the mounting plate;

the lower extreme fixedly connected with fan cover of fan, fan cover are by the round platform shape of top to bottom diameter increase progressively, and the inside cavity of fan cover.

Furthermore, a plurality of vent holes are formed in the bottom surface of the fan cover.

Furthermore, a water absorption layer, a dust filter layer and a filter screen are arranged in the fan cover, and the water absorption layer, the dust filter layer and the filter screen are sequentially and horizontally arranged from top to bottom.

Furthermore, the filter screen is a lining gauze.

The working method of the novel fan alarm control device comprises the following steps:

when the temperature in the switch equipment changes, the temperature sensor detects the temperature change in the switch equipment, so that the controller controls the fan to operate and simultaneously enables the alarm to operate, and an alarm signal is sent out; the fan is used for radiating heat in the switch device, the temperature in the switch device is detected by the temperature sensor after the temperature in the switch device is reduced, and the controller controls the fan to stop running and enables the alarm to stop running;

when the fan breaks down and needs to be replaced, the bottom plate is detached from the fan mounting frame by unscrewing the bolt B, the mounting plate is detached from the bottom plate by unscrewing the bolt A, the fan is detached from the bottom plate to install a new fan on the bottom plate, the mounting plate is fixedly connected with the bottom plate through the bolt A, the bottom plate is fixedly connected with the fan mounting frame through the bolt B, and the replacement of the fan is completed.

The novel fan alarm control device can reliably and effectively dissipate heat inside the switch equipment by starting and stopping the fan according to the temperature inside the switch equipment; the fan mounting frame can be matched with the bottom plate and the mounting plate to realize convenient replacement of the fan, and time and labor are saved.

Drawings

Fig. 1 is a schematic structural view of a fan device.

FIG. 2 is a schematic view of the position relationship between the fan and the fan guard.

Fig. 3 is a schematic structural view of a fan mount.

In the figure: 1. a fan mounting bracket; 2. a fan; 3. a top plate; 4. an L-shaped fixing plate; 5. a base plate; 6. mounting a plate; 7. a bolt A; 8. a bolt B; 9. a ventilation channel; 10. a fan guard; 11. a vent hole; 12. a water-absorbing layer; 13. a dust filtration layer; 14. and (4) a filter screen.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, a novel fan alarm control device comprises a fan device, a temperature sensor, a controller, an alarm and a storage battery, wherein the temperature sensor is connected with an input end of the controller and is arranged on a switch device; the power supply end of the controller is electrically connected with the storage battery, the alarm is connected with the power supply end of the storage battery, and the fan device is connected with the power supply end of the storage battery;

as shown in fig. 3, the fan device includes a fan mounting bracket 1 and a fan 2, the fan mounting bracket 1 includes a top plate 3 and two L-shaped fixing plates 4, and the two L-shaped fixing plates are symmetrically arranged at the left end and the right end of the top plate 3; a bottom plate 5 parallel to the top plate is arranged below the top plate 3, an installation plate 6 parallel to the bottom plate is arranged at the upper end of the bottom plate 5, fan installation ports corresponding to the positions of the installation plate and the bottom plate are respectively formed in the installation plate and the bottom plate, and the fan 2 penetrates through the fan installation ports and then is fixed on the installation plate 6 and the bottom plate 5; threaded holes A are formed in the left end and the right end of the mounting plate 6, bolts A7 are arranged in the threaded holes A, and the mounting plate 6 is fixed on the bottom plate 5 through bolts A7; a threaded hole B is formed in a plate in the L-shaped fixing plate 4 in the horizontal direction, a bolt B8 is arranged in the threaded hole B, and the fan mounting frame 1 is fixedly connected with the bottom plate 5 through a bolt B8; a ventilation channel 9 is formed between the top plate 3 and the mounting plate 6, the ventilation efficiency can be improved due to the arrangement of the ventilation channel, and the damage of a fan is reduced.

As shown in fig. 2, a fan guard 10 is fixedly connected to the lower end of the fan 2, the fan guard 10 is in a truncated cone shape with a diameter gradually increasing from top to bottom, and the inside of the fan guard is hollow. The bottom surface of the fan guard 10 is provided with a plurality of vent holes 11. The fan cover 10 is internally provided with a water absorption layer 12, a dust filtering layer 13 and a filter screen 14 which are sequentially and horizontally arranged from top to bottom. The filter screen 14 is a lining gauze, and the lining gauze is selected as the filter screen, so that the filter effect is good, and the service life is long. The layer that absorbs water can adsorb the moisture in the gas fast, reduces the aqueous vapor effectively and causes the influence to the fan. The fan and the fan cover are matched to be arranged to dissipate heat inside the switch device, so that the temperature inside the switch device is effectively reduced.

The working method of the novel fan alarm control device comprises the following steps:

when the temperature in the switch equipment changes, the temperature sensor detects the temperature change in the switch equipment, so that the controller controls the fan 2 to operate and simultaneously enables the alarm to operate, and an alarm signal is sent out; the fan 2 works to radiate heat in the switch device, the temperature in the switch device is detected by the temperature sensor after the temperature in the switch device is reduced, and the controller controls the fan 2 to stop running and enables the alarm to stop running;

when fan 2 broke down and need be changed, unscrew bolt B8 and pull down bottom plate 5 from fan mounting bracket 1, unscrew bolt A7 again and pull down mounting panel 6 from bottom plate 5, pull down fan 2 again and install new fan on bottom plate 5 from bottom plate 5, pass through bolt A with mounting panel and bottom plate again and fixedly link to each other, pass through bolt B with bottom plate and fan mounting bracket again and fixedly link to each other, the change of fan is accomplished.

The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make variations, modifications, additions or substitutions within the technical scope of the present invention.