CN213782570U - Heat dissipation device for power distribution cabinet - Google Patents
Heat dissipation device for power distribution cabinet Download PDFInfo
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- CN213782570U CN213782570U CN202022706174.3U CN202022706174U CN213782570U CN 213782570 U CN213782570 U CN 213782570U CN 202022706174 U CN202022706174 U CN 202022706174U CN 213782570 U CN213782570 U CN 213782570U
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- power distribution
- distribution cabinet
- cabinet body
- fan
- heat dissipation
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Abstract
The utility model relates to the technical field of heat dissipation of power distribution cabinets, and discloses a heat dissipation device for a power distribution cabinet, which comprises a power distribution cabinet body, wherein the upper part of the right side wall of the power distribution cabinet body is provided with an exhaust port, an exhaust fan is arranged in the exhaust port, the bottom of an inner cavity of the power distribution cabinet body is provided with a shell, the middle part of the top wall of the shell is provided with a fan port, a blowing fan is arranged in the fan port, the middle part of the bottom wall of the shell is provided with a convex pipe, the scheme can reduce the resistance value when the temperature in the cabinet body is higher through the arranged negative temperature coefficient thermistor, so that the current is increased when the blower works, the rotating speed of the blower is improved, the blowing and heat dissipation effects are improved adaptively, otherwise, when the temperature in the cabinet body is lower, the blower runs at a low speed, the low-speed running mode has smaller loss to the fan, the service life is prolonged, and meanwhile, the double-layer water absorption plate is arranged on the device, can carry out the dehumidification effect to the air that gets into the cabinet internal for the internal moisture of cabinet is lower.
Description
Technical Field
The utility model relates to a switch board heat dissipation technical field specifically is a heat abstractor for switch board.
Background
The switch equipment, the measuring instrument, the protective electric appliance and the auxiliary equipment are assembled in the closed or semi-closed metal cabinet of the power distribution cabinet, the circuit can be switched on or switched off by means of a manual or automatic switch, the power distribution cabinet is used for conveniently distributing or classifying and configuring power supplies, and when a circuit fails, the power distribution cabinet is favorable for controlling the fault range, is convenient for maintenance workers to find out fault points quickly and timely eliminate the fault points so as to ensure normal power utilization of people.
Whether the power distribution cabinet can normally operate or not is closely related to the heat dissipation condition of the power distribution cabinet, and if the heat dissipation condition is poor, the circuit is easy to age, so that the power distribution cabinet cannot normally work.
The existing heat dissipation device of the power distribution cabinet is generally provided with an exhaust fan on the side wall of the cabinet body for heat dissipation, the heat dissipation effect of the mode is poor, the humidity in the cabinet body is large, internal electric damage can be caused, meanwhile, the power of the existing exhaust fan is consistent with the rotating speed of the existing exhaust fan in normal working, the heat dissipation capacity of electric parts is different in different seasons and under different working pressures, and the rotating speed of a fan cannot be reasonably adjusted according to the heat dissipation capacity by the existing exhaust fan.
Based on this, the utility model designs a heat abstractor for switch board to solve the above-mentioned problem that appears.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat abstractor for switch board to solve the problem among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heat abstractor for switch board, including the switch board body, switch board body right side wall upper portion is equipped with the gas vent, be provided with the exhaust fan in the gas vent, the inner chamber bottom of the switch board body is equipped with the casing, the roof middle part of casing is equipped with the fan mouth, be provided with the fan of blowing in the fan mouth, casing diapire middle part is equipped with the bulge pipe, the bulge pipe runs through switch board body diapire, be equipped with thermistor on the left side wall of the switch board body, thermistor and fan electric connection of blowing, the casing inboard is equipped with the dehumidification layer, the fixed connecting plate that is equipped with in lateral wall lower part about the casing, the connecting plate passes through the screw and is connected with the switch board body, the bulge pipe downside is equipped with the dust board, the dust board is connected with switch board body bottom surface through many slender poles.
Preferably, the dehumidification layer comprises an upper water absorption plate and a lower water absorption plate, and the upper water absorption plate and the lower water absorption plate are uniformly provided with small ventilation holes.
Preferably, the upper layer water absorption plate and the lower layer water absorption plate are polymer water absorption plates.
Preferably, a filter screen is arranged on the inner side of the convex pipe.
Preferably, the upper side of the fan port is provided with an isolation net.
Preferably, the thermistor is a negative temperature coefficient thermistor.
Compared with the prior art, the beneficial effects of the utility model are that: this scheme is through the negative temperature coefficient thermistor who sets up, can be when the internal temperature of cabinet is higher, reduce the resistance value, make hair-dryer during operation electric current increase, the hair-dryer rotational speed improves, the radiating effect of blowing obtains adaptability and promotes, otherwise, when the internal temperature of cabinet is lower, the hair-dryer then moves with the low-speed, the low-speed operational mode is littleer to the loss of fan, the life thereof is prolonged, the double-deck board that absorbs water that this device set up simultaneously can carry out the dehumidification to the air that gets into the cabinet body, make the internal moisture of cabinet lower.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a part of the structure of the present invention;
fig. 3 is a schematic diagram of the electrical connection of the present invention.
Reference numerals;
1-a distribution cabinet body, 2-an exhaust port, 3-an exhaust fan, 4-a shell, 5-a fan port, 6-a convex pipe, 7-a blowing fan, 8-a thermistor, 9-an upper layer water absorption plate, 10-a lower layer water absorption plate, 11-a dust blocking plate, 12-a thin rod, 13-a filter screen, 14-a connecting plate and 15-an isolation net.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a heat abstractor for switch board, including the switch board body 1, 1 right side wall upper portion of the switch board body is equipped with the gas vent 2, be provided with exhaust fan 3 in the gas vent 2, the inner chamber bottom of the switch board body 1 is equipped with casing 4, the roof middle part of casing 4 is equipped with fan mouth 5, be provided with blower 7 in the fan mouth 5, 4 diapire middle parts of casing are equipped with protruding pipe 6, protruding pipe 6 runs through 1 diapire of the switch board body, be equipped with thermistor 8 on the left side wall of the switch board body 1, thermistor 8 and blower 7 electric connection, 4 inboard shells are equipped with the dehumidification layer, the fixed connecting plate 14 that is equipped with in lateral wall lower part about casing 4, connecting plate 14 passes through the screw and is connected with switch board body 1, 6 downside of protruding pipe is equipped with dust board 11, dust board 11 is connected with switch board body 1 bottom surface through many slender poles 12.
Furthermore, the dehumidification layer includes upper water absorption plate 9 and lower floor water absorption plate 10, has evenly seted up ventilative aperture on upper water absorption plate 9 and the lower floor water absorption plate 10 for ventilative, the effect of guaranteeing to blow.
Furthermore, the upper layer water absorption plate 9 and the lower layer water absorption plate 10 are polymer water absorption plates, are durable and have certain heat resistance.
Further, a filter screen 13 is arranged on the inner side of the convex pipe 6 and used for blocking dust in the air.
Further, an isolation net 15 is arranged on the upper side of the fan port 5 and used for isolating the fan blades rotating at high speed.
Further, the thermistor 8 is a negative temperature coefficient thermistor, and its resistance value gradually decreases as the temperature increases.
The working principle is as follows: electric component all is through external control switch and external power source electric connection in this scheme, when the temperature is higher in the distribution cabinet body 1, thermistor reduces the resistance value, make 7 during operation electric currents of blower increase, the blower rotational speed of blowing improves, the radiating effect of blowing obtains adaptability and promotes, otherwise, when the temperature is lower in the distribution cabinet body 1, blower 7 then moves with the low-speed, the low-speed operational mode is littleer to the loss of fan, its life has been prolonged, the double-deck board that absorbs water of this device setting simultaneously, can carry out the dehumidification to the internal air of entering cabinet, make the internal humidity of cabinet lower.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The further embodiments of the present invention disclosed above are merely intended to help illustrate the present invention. Further embodiments are not exhaustive and do not limit the utility model to the specific embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a heat abstractor for switch board, including the switch board body (1), its characterized in that: the improved power distribution cabinet is characterized in that an air outlet (2) is formed in the upper portion of the right side wall of the power distribution cabinet body (1), an exhaust fan (3) is arranged in the air outlet (2), a shell (4) is arranged at the bottom of an inner cavity of the power distribution cabinet body (1), a fan opening (5) is formed in the middle of the top wall of the shell (4), a blowing fan (7) is arranged in the fan opening (5), a convex pipe (6) is arranged in the middle of the bottom wall of the shell (4), the convex pipe (6) penetrates through the bottom wall of the power distribution cabinet body (1), a thermistor (8) is arranged on the left side wall of the power distribution cabinet body (1), the thermistor (8) is electrically connected with the blowing fan (7), a dehumidification layer is arranged on the inner side of the shell (4), a connecting plate (14) is fixedly arranged on the lower portion of the left side wall and the right side wall of the shell (4), the connecting plate (14) is connected with the power distribution cabinet body (1) through screws, a dust baffle plate (11) is arranged on the lower side of the convex pipe (6), the dust guard plate (11) is connected with the bottom surface of the power distribution cabinet body (1) through a plurality of thin rods (12).
2. The heat dissipation device for power distribution cabinets according to claim 1, characterized in that: the dehumidification layer comprises an upper layer water absorption plate (9) and a lower layer water absorption plate (10), and small ventilation holes are uniformly formed in the upper layer water absorption plate (9) and the lower layer water absorption plate (10).
3. The heat dissipation device for power distribution cabinets according to claim 2, characterized in that: the upper layer water absorption plate (9) and the lower layer water absorption plate (10) are polymer water absorption plates.
4. The heat dissipation device for power distribution cabinets according to claim 1, characterized in that: and a filter screen (13) is arranged on the inner side of the convex pipe (6).
5. The heat dissipation device for power distribution cabinets according to claim 1, characterized in that: an isolation net (15) is arranged on the upper side of the fan port (5).
6. The heat dissipation device for power distribution cabinets according to claim 1, characterized in that: the thermistor (8) is a negative temperature coefficient thermistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022706174.3U CN213782570U (en) | 2020-11-20 | 2020-11-20 | Heat dissipation device for power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022706174.3U CN213782570U (en) | 2020-11-20 | 2020-11-20 | Heat dissipation device for power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213782570U true CN213782570U (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022706174.3U Active CN213782570U (en) | 2020-11-20 | 2020-11-20 | Heat dissipation device for power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213782570U (en) |
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2020
- 2020-11-20 CN CN202022706174.3U patent/CN213782570U/en active Active
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