CN214841352U - Dehumidification system of high-voltage switch cabinet - Google Patents
Dehumidification system of high-voltage switch cabinet Download PDFInfo
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- CN214841352U CN214841352U CN202121295307.0U CN202121295307U CN214841352U CN 214841352 U CN214841352 U CN 214841352U CN 202121295307 U CN202121295307 U CN 202121295307U CN 214841352 U CN214841352 U CN 214841352U
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 35
- 238000005057 refrigeration Methods 0.000 claims abstract description 59
- 239000004065 semiconductor Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 230000006835 compression Effects 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 18
- 229910052782 aluminium Inorganic materials 0.000 claims description 18
- 238000007664 blowing Methods 0.000 claims description 14
- 229920001296 polysiloxane Polymers 0.000 claims description 14
- 239000003507 refrigerant Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 10
- 239000004519 grease Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 5
- 230000005494 condensation Effects 0.000 abstract description 22
- 238000009833 condensation Methods 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 14
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000005764 inhibitory process Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a high tension switchgear's dehumidification system, its whole humidity that can effectively reduce in the cabinet, the utility model discloses all have an effect in the control of humidity in the cabinet and the intervention of temperature in the cabinet, consequently can carry out effective reliable intervention on the condensation condition, restrain the condensation and produce. The utility model comprises a dehumidifying device which is respectively arranged on the top surface of the interior of the bus chamber, the inner wall of the breaker chamber and the inner wall of the cable chamber; the dehumidification device comprises a shell, wherein an air supply outlet for discharging air and an air return inlet for sucking air are arranged on the shell; mounting lugs for mounting and fixing the dehumidifying device are arranged on two sides of the shell, and each mounting lug is provided with at least two waist-shaped holes; the shell is also provided with a water outlet for discharging condensed water in the shell; the water outlet discharges the condensed water to the outside of the high-voltage switch cabinet body through the water connecting and discharging pipe; and a semiconductor refrigeration component or a compression refrigeration component is arranged in the shell of the dehumidification device.
Description
Technical Field
The utility model relates to a high tension switchgear's dehydrating unit specifically is used for reducing the inside humidity of high tension switchgear, prevents the accident that the condensation caused.
Background
In the prior art, a high-voltage switch cabinet in the field of transformer substations is an armored fully-sealed cabinet body (such as a 10kV high-voltage switch cabinet), and when condensation is generated, switch cabinet faults such as short circuit and the like are easily caused; the generation of the condensation is mainly due to the permeation of the environmental humidity and the cold and hot change of the temperature in the cabinet, and the generated humidity air is combined with the dust in the cabinet to form the condensation, so that the change of the humidity and the dust in the cabinet is an effective way for avoiding the condensation, and in view of the fact that the prevention of the dust is almost impossible, the prior art carries out treatment on the reduction of the humidity;
the switch cabinet in operation now changes the mode that changes humidity in the cabinet and has two kinds: one is a means of external forced refrigeration and dehumidification adopted outside the switch cabinet, and the second is that a heating sheet is additionally arranged in the cabinet; in practical operation, the two dehumidification technologies have very limited effect on the fully-sealed switch cabinet at present, and sometimes even have a tendency of aggravating condensation; the external forced refrigeration easily causes uncontrollable temperature difference, possibly increases the humidity in the cabinet and aggravates the dew line falling; heating plates put in the cabinet for a long time lack other maintenance means, and the effect and range of condensation inhibition are very limited; through the research discovery of the applicant, it is the key of cubical switchboard dehumidification to prevent that the insulating part from taking place the condensation, and the temperature of condensation and the proportional relation of inside humidity cause the most central reason of condensation phenomenon, consequently the utility model discloses an it realizes the suppression to condensation phenomenon to focus on through the effective control to humidity in the cabinet to endeavour.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, disclose a high tension switchgear's dehumidification system, it can effectively reduce the whole humidity in the cabinet, the utility model discloses all have the effect in the control of humidity in the cabinet and the intervention of temperature in the cabinet, consequently can carry out effective reliable intervention on the condensation condition, restrain the condensation and produce.
The utility model provides a technical scheme that its technical problem adopted is: the dehumidification system of the high-voltage switch cabinet is used for dehumidifying the interior of the high-voltage switch cabinet body; the high-voltage switch cabinet body comprises a bus chamber, a breaker chamber and a cable chamber; the dehumidifying device comprises a top surface, a breaker chamber inner wall and a cable chamber inner wall which are respectively arranged in the bus chamber;
the dehumidification device comprises a shell, wherein an air supply outlet for discharging air and an air return inlet for sucking air are arranged on the shell; mounting lugs for mounting and fixing the dehumidifying device are arranged on two sides of the shell, and each mounting lug is provided with at least two waist-shaped holes;
the shell is also provided with a water outlet for discharging condensed water in the shell; the water outlet discharges the condensed water to the outside of the high-voltage switch cabinet body through the water connecting and discharging pipe;
a semiconductor refrigeration component or a compression refrigeration component is arranged in a shell of the dehumidification device;
the semiconductor refrigeration assembly is used for cooling return air entering the return air inlet after passing through the hot end of the semiconductor refrigeration sheet, forming air supply by the cold end of the semiconductor refrigeration sheet and blowing out the air supply from the air supply outlet;
the compression refrigeration assembly comprises a fan inlet used for blowing out hot and humid air entering from the air return inlet after passing through the evaporator to form dry air outlet.
As a preferred embodiment of the present invention: sponge foam is filled in the air supply outlet and the air return inlet; the dehumidifying device in the bus chamber is horizontally installed, the dehumidifying device in the breaker chamber is vertically installed and attached to the corresponding inner wall of the front side of the high-voltage switch cabinet, and the dehumidifying device in the cable chamber is vertically installed and attached to the corresponding inner wall of the back side of the high-voltage switch cabinet; and a circulating fan for uniformly distributing gas in the high-voltage switch cabinet is also arranged in the high-voltage switch cabinet body.
As a preferred embodiment of the present invention: a controller for controlling the dehumidifying device is installed outside the high-voltage switch cabinet body, and the controller comprises a display screen, a setting key, an on-off key and an adjusting key; the controller is internally provided with a processor, the processor is connected with the dehumidifying device in a control mode, a humidity sensor is arranged inside the high-voltage switch cabinet body, and the humidity sensor is connected with the processor in a control mode.
As a preferred embodiment of the present invention: in the compression refrigeration component, an evaporator is sequentially connected with a throttling device, a condenser and a compressor through pipelines; the pipeline is filled with a refrigerant; the compressor sucks in low-temperature and low-pressure refrigerant to become high-temperature and high-pressure gas, the high-temperature and high-pressure gas is condensed into liquid to release heat, the heat is taken away by the fan, the low-pressure liquid is throttled, and then the low-temperature and low-pressure gas is changed into low-temperature and low-pressure gas by the evaporator and returns to the compressor.
As a preferred embodiment of the present invention: the refrigerant is a refrigerant, the pipelines of the evaporator and the condenser are coiled snakelike pipes, and the snakelike pipes are trapezoidal internal thread copper pipes; the wall thickness of the inner wall of the copper pipe is 0.28 mm.
As a preferred embodiment of the present invention: in the semiconductor refrigeration assembly, a hot end heat-conducting sheet is arranged at the hot end of a semiconductor refrigeration sheet through a hot end heat-conducting silicone layer, and a hot end fan used for blowing air towards the hot end is arranged on the hot end heat-conducting sheet; the cold junction of semiconductor refrigeration piece passes through cold junction heat conduction silicone grease layer installation cold junction conducting strip, and the cold junction fan that the cold junction conducting strip bloied is kept away from to the installation orientation on the cold junction conducting strip.
As a preferred embodiment of the present invention: the hot junction conducting strip and cold junction conducting strip all contain the aluminum sheet of equipartition, and all aluminum sheets are perpendicular to the semiconductor refrigeration piece, and all aluminum sheets are located the end connection who is close to the semiconductor refrigeration piece on heat conduction aluminum plate, heat conduction aluminum plate pass through hot junction heat conduction silicone grease layer and cold junction heat conduction silicone grease layer with hot junction and cold junction are connected.
As a preferred embodiment of the present invention: the cross section of the aluminum sheet is a continuous S-shaped cross section.
Compared with the prior art, the utility model has the following advantage:
the utility model discloses a dehumidification system of a high-voltage switch cabinet, which comprises dehumidification devices (400) respectively arranged on the top surface of the interior of a bus chamber, the inner wall of a breaker chamber and the inner wall of a cable chamber; the dehumidification devices are respectively installed at three important positions to intervene the humidity in the cabinet, so that the condensation phenomenon in the whole high-voltage switch cabinet is effectively inhibited;
the utility model discloses a dehumidifying device which comprises a shell, wherein the shell is provided with an air supply outlet for discharging air and an air return inlet for sucking air; mounting lugs for mounting and fixing the dehumidifying device are arranged on two sides of the shell, and each mounting lug is provided with at least two waist-shaped holes; the mounting form of the shell can effectively utilize the internal space, is convenient for fixing and is also convenient for centralized maintenance;
the shell of the utility model is also provided with a water outlet for discharging condensed water in the shell; the water outlet discharges the condensed water to the outside of the high-voltage switch cabinet body through the water connecting and discharging pipe; the generated condensed water is discharged in time, so that the humidity in the cabinet is not increased, and the requirement on the humidity in the condensation process is inhibited;
the shell of the dehumidification device of the utility model is internally provided with a semiconductor refrigeration component or a compression refrigeration component; the utility model adopts the dehumidifying device with two principles, which can play an effective role in the final condensation inhibition, so that the dehumidifying device can be selected for use according to the working conditions on site during actual use; the compression refrigeration component has larger volume, large power consumption and good effect, and can be used for a high-voltage switch cabinet with large space; the semiconductor refrigeration component has small volume and low power consumption, and can be used for a high-voltage switch cabinet with small space;
the semiconductor refrigeration component of the utility model comprises a hot end cooling device for cooling the return air entering from the return air inlet after passing through the hot end of the semiconductor refrigeration piece, and then blowing out the cooled return air from the cold end of the semiconductor refrigeration piece; condensed water generated by temperature change when air in the cabinet passes through the semiconductor refrigeration assembly is discharged by the water outlet, and blown air is cold air.
The utility model discloses a compression refrigeration subassembly contains and is used for blowing off by the supply-air outlet behind the damp and hot air inlet that gets into the return air inlet formation dry air-out behind the evaporimeter through axial fan. The compression refrigeration component can dry the air sucked by the air in the cabinet at the position of the re-evaporator and directly dehumidify the air; the condensed water in the dehumidification process is also drained in time through the water outlet.
Drawings
Fig. 1 is a schematic view of an embodiment of the present invention, which shows an installation position of a dehumidifying apparatus in a high-voltage switch cabinet;
fig. 2 is a schematic structural diagram of an appearance of an embodiment of the dehumidifying apparatus of the present invention;
fig. 3 is a schematic structural view of a preferred embodiment of the compression refrigeration assembly of the present invention;
fig. 4 is a schematic structural diagram of a preferred embodiment of the semiconductor refrigeration assembly of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4;
fig. 6 is a schematic structural diagram of a preferred embodiment of the outdoor controller according to the present invention.
Description of reference numerals:
1-a high-voltage switch cabinet body, 100-a bus chamber, 200-a breaker chamber, 300-a cable chamber and 400-a dehumidifying device; 500-a controller;
401-air supply outlet, 402-water outlet, 403-air return outlet, 404-waist-shaped hole, 405-mounting lug and 406-shell;
501-setting key, 502-on-off key, 503-adjusting key and 504-display screen;
4001-condenser, 4002-dry outlet air, 4003-evaporator, 4004-damp and hot inlet air, 4005-condenser, 4006-compressor;
4101-hot end, 4102-hot end fan, 4103-return air, 4104-hot end heat conducting sheet, 4105-hot end heat conducting silicone layer, 4106-cold end heat conducting silicone layer, 4107-cold end heat conducting sheet, 4108-cold end fan, 4109-blowing, 4110-cold end, 4111-S-shaped section.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
As shown in fig. 1 to 6, which show a specific embodiment of the present invention; as shown in the figures, the utility model discloses a dehumidification system of high tension switchgear, is used for the inside dehumidification of high tension switchgear body 1; the high-voltage switch cabinet body comprises a bus chamber 100, a breaker chamber 200 and a cable chamber 300; a dehumidifying apparatus 400 including a top surface, an inner wall of the breaker chamber, and an inner wall of the cable chamber, which are installed in the bus chamber, respectively;
the dehumidifying apparatus 400 comprises a housing 406, and a blowing port 401 for discharging air and a return port 403 for sucking air are arranged on the housing 406; mounting lugs 405 for mounting and fixing the dehumidifying device are arranged on two sides of the shell 406, each mounting lug is provided with at least two waist-shaped holes 404, and the mounting positions of the waist-shaped holes can be adjusted, so that the application range is increased;
the shell 406 is also provided with a water outlet 402 for discharging condensed water in the shell; the water outlet 402 discharges the condensed water to the outside of the high-voltage switch cabinet body 1 through a water connection and drainage pipe;
a semiconductor refrigeration component or a compression refrigeration component is arranged in the shell of the dehumidification device 400;
the semiconductor refrigeration assembly comprises a hot end 4101 for cooling return air 4103 entering from a return air inlet 403 after passing through the semiconductor refrigeration sheet, and a cold end 4110 for forming air supply 4109 and blowing out from an air supply outlet 401;
the compression refrigeration assembly comprises a hot and humid air inlet 4004 used for enabling a return air inlet to enter, and the hot and humid air inlet 4004 is blown out of the air supply outlet 401 after passing through the evaporator 4003 by the axial flow fan to form dry air outlet 4002. The specific type of the axial flow fan can be selected as long as the existing small (suitable for installation space) wind direction and the wind direction limitation of the scheme are inhibited.
Preferably, as shown in fig. 1 and 2, the air supply outlet 401 and the air return outlet 403 are filled with sponge foam; the dehumidifying device in the bus chamber 100 is horizontally installed, the dehumidifying device in the breaker chamber 200 is vertically installed and attached to the corresponding inner wall of the front side of the high-voltage switch cabinet, and the dehumidifying device in the cable chamber 300 is vertically installed and attached to the corresponding inner wall of the back side of the high-voltage switch cabinet; and a circulating fan for uniformly distributing gas in the high-voltage switch cabinet is also arranged in the high-voltage switch cabinet body. The sponge foam of the preferred embodiment can achieve a certain sealing effect in the shell of the dehumidifying device, so that external sundries are not easy to enter; the sponge foam of the air supply outlet can also make the blown air softer, and avoid the surface performance from changing due to long-time direct blowing on the device opposite to the internal device; the preferred embodiment provides the preferred installation positions of the dehumidifying devices in all the chambers, and the preferred embodiment can facilitate the reliable installation of the dehumidifying devices as a whole and is also beneficial to the advanced determination of the positions of water draining ports and the like; the installation tracks for the pipelines, such as the specific wiring, may be arranged according to the field conditions using common general knowledge of those skilled in the art. This preferred embodiment sets up the inside air equipartition of whole high tension switchgear that circulating fan can, and temperature humidity also can be even, consequently makes the effect that the condensation restraines be even reliable.
Preferably, as shown in fig. 1 and 6, a controller 500 for controlling the dehumidification device is installed outside the high-voltage switch cabinet body 1, and the controller includes a display 504, a setting key 501, an on-off key 502, and an adjustment key 503; the controller is internally provided with a processor, the processor is connected with the dehumidifying device in a control mode, a humidity sensor is arranged inside the high-voltage switch cabinet body, and the humidity sensor is connected with the processor in a control mode. This preferred embodiment has set up the controller structure, and the control about specific dehumidification suppression condensation process is not the key solution problem of this application file, and these concrete control methods can be further optimized according to final scheme when the hardware architecture that this application relates to arranges, and basic control method can adopt prior art, for example, adopt humiture ware monitoring cabinet internal temperature humidity, and the controller is worked to opening corresponding dehydrating unit under certain humiture condition, and it is common among the prior art that these control is carried out according to the information that the sensor gathered. It is noted that when not needing to dehumidify, the utility model discloses a protect a lot of fans in the scheme, be favorable to inside air cycle, can open for a long time.
Preferably, as shown in fig. 1 and 3, in the compression refrigeration assembly, an evaporator 4003 is connected with a throttling device, a condenser 4001 and a compressor 4006 in sequence through pipelines; the pipeline is filled with a refrigerant; the compressor sucks in low-temperature and low-pressure refrigerant to become high-temperature and high-pressure gas, the high-temperature and high-pressure gas is condensed into liquid to release heat, the heat is taken away by the fan, the low-pressure liquid is throttled, and then the low-temperature and low-pressure gas is changed into low-temperature and low-pressure gas by the evaporator and returns to the compressor. The preferred embodiment explains the basic principle of compressor refrigeration, belongs to the common knowledge, can adopt more compressor refrigeration common knowledge to perfect the utility model discloses in the scheme about the structure of compression refrigeration mechanism, the dehumidification effect of compression refrigeration subassembly is better.
Preferably, as shown in fig. 3, the refrigerant is a refrigerant, the evaporator and the condenser are coiled serpentine pipes, and the coiled serpentine pipes are trapezoidal internal threaded copper pipes; the wall thickness of the inner wall of the copper pipe is 0.28 mm. The trapezoidal internal thread copper pipe of this preferred embodiment design can make area of contact greatly increased, can promote the dehumidification effect.
Preferably, as shown in fig. 4 and 5, in the semiconductor refrigeration assembly, a hot end 4101 of the semiconductor refrigeration sheet is provided with a hot end heat conduction sheet 4104 through a hot end heat conduction silicone layer 4105, and a hot end fan 4102 for blowing air towards the hot end is arranged on the hot end heat conduction sheet 4104; the cold junction 4110 of the semiconductor refrigeration piece is provided with a cold junction heat conducting sheet 4107 through a cold junction heat conducting silicone grease layer 4106, and a cold junction fan 4108 facing away from the cold junction heat conducting sheet for blowing is arranged on the cold junction heat conducting sheet. The basic principle of the semiconductor refrigeration assembly in the preferred embodiment is the same as that of semiconductor refrigeration, the dehumidification effect of the hot end and the refrigeration effect of the cold end can be increased through the specific structural installation design of the hot end and the cold end, the effect of the semiconductor refrigeration assembly in the application is greatly exerted, and the condensation inhibition effect is improved.
Preferably, as shown in fig. 4 and 5, the hot end heat-conducting fins and the cold end heat-conducting fins both comprise uniformly distributed aluminum sheets, all the aluminum sheets are perpendicular to the semiconductor refrigeration sheets, all the aluminum sheets are located at the end parts close to the semiconductor refrigeration sheets and connected onto the heat-conducting aluminum plates, and the heat-conducting aluminum plates are connected with the hot end and the cold end through hot end heat-conducting silicone grease layers and cold end heat-conducting silicone grease layers. This preferred embodiment can increase heat conduction area through the structure of improving the conducting strip, promotes the heat conduction effect, finally promotes condensation suppression effect.
Preferably, as shown in fig. 5, the cross section of the aluminum sheet is a continuous S-shaped section 4111. The S-shaped section can increase the heat exchange area, improve the efficiency and reduce the volume.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The dehumidification system of the high-voltage switch cabinet is used for dehumidifying the inside of the high-voltage switch cabinet body (1); the high-voltage switch cabinet body comprises a bus chamber (100), a breaker chamber (200) and a cable chamber (300); the method is characterized in that: a dehumidifying device (400) including a top surface, a breaker chamber inner wall and a cable chamber inner wall respectively installed inside the bus chamber;
the dehumidification device comprises a shell, wherein an air supply outlet for discharging air and an air return inlet for sucking air are arranged on the shell; mounting lugs for mounting and fixing the dehumidifying device are arranged on two sides of the shell, and each mounting lug is provided with at least two waist-shaped holes;
the shell is also provided with a water outlet for discharging condensed water in the shell; the water outlet discharges the condensed water to the outside of the high-voltage switch cabinet body through the water connecting and discharging pipe;
a semiconductor refrigeration component or a compression refrigeration component is arranged in a shell of the dehumidification device;
the semiconductor refrigeration assembly is used for cooling return air entering the return air inlet after passing through the hot end of the semiconductor refrigeration sheet, forming air supply by the cold end of the semiconductor refrigeration sheet and blowing out the air supply from the air supply outlet;
the compression refrigeration assembly comprises a fan inlet used for blowing out hot and humid air entering from the air return inlet after passing through the evaporator to form dry air outlet.
2. The dehumidification system of a high-voltage switchgear cabinet according to claim 1, characterized in that: sponge foam is filled in the air supply outlet and the air return inlet; the dehumidifying device in the bus chamber is horizontally installed, the dehumidifying device in the breaker chamber is vertically installed and attached to the corresponding inner wall of the front side of the high-voltage switch cabinet, and the dehumidifying device in the cable chamber is vertically installed and attached to the corresponding inner wall of the back side of the high-voltage switch cabinet; and a circulating fan for uniformly distributing gas in the high-voltage switch cabinet is also arranged in the high-voltage switch cabinet body.
3. The dehumidification system of a high-voltage switchgear cabinet according to claim 1, characterized in that: a controller for controlling the dehumidifying device is installed outside the high-voltage switch cabinet body, and the controller comprises a display screen, a setting key, an on-off key and an adjusting key; the controller is internally provided with a processor, the processor is connected with the dehumidifying device in a control mode, a humidity sensor is arranged inside the high-voltage switch cabinet body, and the humidity sensor is connected with the processor in a control mode.
4. The dehumidification system of a high-voltage switchgear cabinet according to claim 1, characterized in that: in the compression refrigeration component, an evaporator is sequentially connected with a throttling device, a condenser and a compressor through pipelines; the pipeline is filled with a refrigerant; the compressor sucks in low-temperature and low-pressure refrigerant to become high-temperature and high-pressure gas, the high-temperature and high-pressure gas is condensed into liquid to release heat, the heat is taken away by the fan, the low-pressure liquid is throttled, and then the low-temperature and low-pressure gas is changed into low-temperature and low-pressure gas by the evaporator and returns to the compressor.
5. The dehumidification system of a high-voltage switchgear cabinet according to claim 4, characterized in that: the refrigerant is a refrigerant, the pipelines of the evaporator and the condenser are coiled snakelike pipes, and the snakelike pipes are trapezoidal internal thread copper pipes; the wall thickness of the inner wall of the copper pipe is 0.28 mm.
6. The dehumidification system of a high-voltage switchgear cabinet according to claim 1, characterized in that: in the semiconductor refrigeration assembly, a hot end heat-conducting sheet is arranged at the hot end of a semiconductor refrigeration sheet through a hot end heat-conducting silicone layer, and a hot end fan used for blowing air towards the hot end is arranged on the hot end heat-conducting sheet; the cold junction of semiconductor refrigeration piece passes through cold junction heat conduction silicone grease layer installation cold junction conducting strip, and the cold junction fan that the cold junction conducting strip bloied is kept away from to the installation orientation on the cold junction conducting strip.
7. The dehumidification system of a high-voltage switchgear as claimed in claim 6, wherein: the hot junction conducting strip and cold junction conducting strip all contain the aluminum sheet of equipartition, and all aluminum sheets are perpendicular to the semiconductor refrigeration piece, and all aluminum sheets are located the end connection who is close to the semiconductor refrigeration piece on heat conduction aluminum plate, heat conduction aluminum plate pass through hot junction heat conduction silicone grease layer and cold junction heat conduction silicone grease layer with hot junction and cold junction are connected.
8. The dehumidification system of a high-voltage switchgear as claimed in claim 7, wherein: the cross section of the aluminum sheet is a continuous S-shaped cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121295307.0U CN214841352U (en) | 2021-06-10 | 2021-06-10 | Dehumidification system of high-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121295307.0U CN214841352U (en) | 2021-06-10 | 2021-06-10 | Dehumidification system of high-voltage switch cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN214841352U true CN214841352U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121295307.0U Active CN214841352U (en) | 2021-06-10 | 2021-06-10 | Dehumidification system of high-voltage switch cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115459117A (en) * | 2022-09-23 | 2022-12-09 | 宁波天顺电气有限公司 | An outdoor switch cabinet |
-
2021
- 2021-06-10 CN CN202121295307.0U patent/CN214841352U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115459117A (en) * | 2022-09-23 | 2022-12-09 | 宁波天顺电气有限公司 | An outdoor switch cabinet |
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