CN113314965B - Moisture-proof device for electrical equipment - Google Patents
Moisture-proof device for electrical equipment Download PDFInfo
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- CN113314965B CN113314965B CN202110672962.1A CN202110672962A CN113314965B CN 113314965 B CN113314965 B CN 113314965B CN 202110672962 A CN202110672962 A CN 202110672962A CN 113314965 B CN113314965 B CN 113314965B
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- air inlet
- plate
- air outlet
- cabinet body
- water absorption
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to the technical field of electrical equipment, in particular to a moisture-proof device for electrical equipment. The device is characterized in that partition plates are arranged on two sides of an inner cavity of a cabinet body, a first air inlet and a first air outlet are arranged on the left side wall and the right side wall of the cabinet body, and a second air inlet and a second air outlet are arranged on the partition plates at intervals; a guide plate is arranged between the partition plate and the adjacent side wall of the cabinet body, the guide plate is positioned between the first air inlet and the first air outlet, and a screen plate is arranged above the guide plate; air inlet water-absorbing sponge is filled between the first air inlet and the second air inlet, and air outlet water-absorbing sponge is filled between the first air outlet and the second air outlet; a connecting rod penetrates downwards from the upper part between the partition board and the side wall of the cabinet body, a first push plate and a second push plate are fixed on the connecting rod, the lower end face of the first push plate is connected with the upper end face of the air inlet water absorption sponge, and the lower end face of the second push plate is connected with the upper end face of the air outlet water absorption sponge; the connecting rod is controlled to synchronously extend and retract through a retracting mechanism. The invention has simple structure, low cost and high safety.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a moisture-proof device for electrical equipment.
Background
The distribution cabinet (case) is a final-stage device of a distribution system and is divided into a power distribution cabinet (case), a lighting distribution cabinet (case) and a metering cabinet (case). The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load.
Because inside and outside are the intercommunication when the switch board uses to lead to outside air humidity to influence inside humidity, will lead to the inner line to produce the short circuit when humidity is too high, cause the loss.
The dampproofing equipment that absorbs water of current switch board needs the manual drying, the clearance and the change that carry out dampproofing thing, therefore the switch board uses a period just to need the staff to go the dampproofing thing of periodic replacement, and the switch board that the partly intelligent degree is high can dry dampproofing thing by oneself, but this kind of equipment structure is complicated, and the cost is high, introduces the internal portion of cabinet with steam or heat in the dampproofing thing drying process easily, has the potential safety hazard.
Disclosure of Invention
The invention aims to provide a moisture-proof device for electrical equipment, which overcomes the defects of the prior art, can automatically and periodically extrude the moisture in the air inlet water absorption sponge and the air outlet water absorption sponge, ensures that the extruded moisture is not easy to enter the part of a cabinet body for mounting electrical elements, and directly exhausts the moisture out of the cabinet body, and has the advantages of simple structural design, low manufacturing cost and high safety.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a damp-proof device for electrical equipment comprises a cabinet body and a fan arranged in the cabinet body, wherein the left side and the right side of an inner cavity of the cabinet body are respectively provided with a partition plate, the left side wall and the right side wall of the cabinet body are respectively provided with a first air inlet and a first air outlet at intervals, the first air inlet is positioned below the first air outlet, the left partition plate and the right partition plate are respectively provided with a second air inlet and a second air outlet at intervals, the position of the first air inlet corresponds to that of the second air inlet, and the position of the first air outlet corresponds to that of the second air outlet; a guide plate is arranged between the partition plate and the adjacent side wall of the cabinet body, the guide plate is positioned between the first air inlet and the first air outlet, the guide plate is arranged in a manner of declining from the partition plate to the adjacent side wall of the cabinet body, and a screen plate is arranged above the guide plate; air inlet water-absorbing sponge is filled between the first air inlet and the second air inlet, and air outlet water-absorbing sponge is filled between the first air outlet and the second air outlet; a connecting rod penetrates downwards from the upper part of the cabinet body between the partition board and the adjacent side wall of the cabinet body, connecting rod through holes are formed in the air outlet water absorption sponge, the net plate and the guide plate, a first push plate is fixed at the lower end of the connecting rod, the lower end face of the first push plate is fixedly connected with the upper end face of the air inlet water absorption sponge, a second push plate is arranged at the position, located at the air outlet water absorption sponge, of the connecting rod, and the lower end face of the second push plate is fixedly connected with the upper end face of the air outlet water absorption sponge; the left connecting rod and the right connecting rod are controlled to synchronously extend and retract through a retracting mechanism; two water outlet pipes are arranged on the side wall of the cabinet body at intervals, wherein the position of one water outlet pipe corresponds to the upper end of the lower edge of the guide plate, and the position of the other water outlet pipe corresponds to the lower end of the inner cavity of the cabinet body; when the power distribution cabinet is used, under the action of a fan, external air enters from a first air inlet, and enters a region between two partition plates through a second air inlet after being absorbed by air inlet water absorption sponge, an electric element is installed in the region, the air dissipates heat of the electric element in the region and then is discharged from a second outlet, the air outlet water absorption sponge is absorbed and finally discharged from a first air outlet, the cycle is repeated, after the power distribution cabinet is used for a period of time, a telescopic mechanism is started, a connecting rod is moved downwards, the second push plate pushes the air outlet water absorption sponge to be extruded onto a screen plate, extruded water is guided by a guide plate and is discharged from a corresponding water outlet pipe, meanwhile, the first push plate pushes the air inlet water absorption sponge to be extruded onto a bottom plate of an inner cavity of a cabinet body, the extruded water is discharged through the corresponding water outlet pipe, and then the telescopic mechanism drives the connecting rod to reset; the retractable mechanism is controlled to be opened and closed periodically by a controller of the cabinet body.
Furthermore, the telescopic mechanism comprises a connecting plate, telescopic rods and guide rods, the tops of the left connecting rod and the right connecting rod are connected through the connecting plate, the connecting plate is connected with the telescopic rods which are longitudinally arranged, the telescopic rods drive the connecting rods to move up and down, and further drive the first push plate and the second push plate to move up and down, so that the air inlet water absorption sponge and the air outlet water absorption sponge are reset after extruding redundant water, the guide rods are fixed at the top of the cabinet body, the upper ends of the guide rods penetrate through the connecting plate, and the guide rods play a role in guiding the connecting plate in the process that the telescopic rods drive the connecting plate to move up and down, and ensure that the two connecting rods move stably; the telescopic rod is an electric telescopic rod, or an air cylinder, or a hydraulic rod.
Further, the heights of the air inlet water absorption sponge and the air outlet water absorption sponge are the same; when the air inlet water absorption sponge corresponds to the first air inlet and the second air inlet, the distance from the air inlet water absorption sponge to the lower end face of the inner wall of the cabinet body is H1, and H1 is larger than the height of the air inlet water absorption sponge; when the air outlet water absorption sponge corresponds to the first air outlet and the second air outlet, the distance from the lower end face of the air outlet water absorption sponge to the upper end face of the mesh plate is H2, H2 is equal to H1, and before the air inlet water absorption sponge contacts the cabinet bottom plate and the air outlet water absorption sponge contacts the mesh plate when the first push plate pushes the air inlet water absorption sponge and the second push plate pushes the air outlet water absorption sponge, the water in the air inlet water absorption sponge and the air outlet water absorption sponge is not easy to extrude, so that a water body is prevented from entering between the left partition plate and the right partition plate from the second air inlet or the second air outlet.
Furthermore, a rubber sealing ring is fixed on the inner wall of the connecting rod through hole of the guide plate, and the rubber sealing ring can effectively prevent water extruded from the air-out water-absorbing sponge from entering an area below the guide plate through the connecting rod through hole on the guide plate.
Furthermore, the one end towards the internal side of cabinet of second air inlet and second gas outlet all is provided with the manger plate cover, and the manger plate covers two end manger plates including the side manger plate, and the side manger plate is by the lower slope of second air inlet or second gas outlet and sets up, and the end manger plate sets up in the front end and the rear end of side manger plate and with the lateral wall fixed connection of baffle, even first push pedal promotes the in-process of admitting air water absorption sponge or the in-process of second push pedal promotion air outlet water absorption sponge, partial water integument is extruded and is got into the one side of baffle towards the internal middle part of cabinet through second air inlet or second gas outlet, also can be blocked and flow back by the manger plate cover.
Further, the outside of first air inlet and second air inlet all is provided with rain-proof cover.
Further, the top of regulation is provided with rain-proof top cover, and telescopic machanism's telescopic link cylinder can be fixed on rain-proof top cover, and the bottom of the cabinet body is provided with rain-proof support column.
Furthermore, all be provided with the solenoid valve on the outlet pipe, the electronic valve is also controlled by the controller of switch board, and the electronic valve is opened when telescopic link starts among the telescopic machanism, and the solenoid valve is closed after the telescopic link resets.
Furthermore, an electric element mounting plate is arranged between the left partition plate and the right partition plate and used for mounting electric elements.
The invention has the beneficial effects that: compared with the prior art, the moisture-proof device for the electrical equipment has the following advantages: when the power distribution cabinet is used, under the action of a fan, external air enters from a first air inlet, and enters a region between two partition plates through a second air inlet after being absorbed by air inlet water absorption sponge, an electric element is installed in the region, the air dissipates heat of the electric element in the region and then is discharged from a second outlet, the air outlet water absorption sponge is absorbed and finally discharged from a first air outlet, the cycle is repeated, after the power distribution cabinet is used for a period of time, a telescopic mechanism is started, a connecting rod is moved downwards, the second push plate pushes the air outlet water absorption sponge to be extruded onto a screen plate, extruded water is guided by a guide plate and is discharged from a corresponding water outlet pipe, meanwhile, the first push plate pushes the air inlet water absorption sponge to be extruded onto a bottom plate of an inner cavity of a cabinet body, the extruded water is discharged through the corresponding water outlet pipe, and then the telescopic mechanism drives the connecting rod to reset; the telescopic machanism is opened and close through the controller periodic control of the cabinet body, and the electronic valve is also controlled by the controller of switch board, and the electronic valve is opened when the telescopic link starts among the telescopic machanism, and the telescopic link is closed to the back solenoid valve that resets, and the structural design of device is simple, and the cost is low, and the security is high.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of the present invention with the water guard, rain guard and electrical component mounting plate removed;
FIG. 3 is a schematic view of the electrical component mounting plate with the water shield, rain top cover and electrical component mounting plate removed;
wherein, 1 cabinet body, 2 fans, 3 baffles, 4 first air inlets, 5 first gas outlets, 6 second air inlets, 7 second gas outlets, 8 guide plates, 9 otter boards, 10 intake water absorption sponges, 11 play air water absorption sponges, 12 connecting rods, 13 first push plates, 14 second push plates, 15 outlet pipes, 16 connecting plates, 17 telescopic rods, 18 guide rods, 19 water retaining covers, 20 rain-proof covers, 21 rain-proof top covers, 22 rain-proof support columns.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In the embodiment shown in fig. 1-3, an electrical equipment moisture-proof device comprises a cabinet body 1 and a fan 2 arranged in the cabinet body 1, wherein the left side and the right side of the inner cavity of the cabinet body 1 are both provided with a partition plate 3, the left side wall and the right side wall of the cabinet body 1 are both provided with a first air inlet 4 and a first air outlet 5 at intervals, the first air inlet 4 is positioned below the first air outlet 5, the left partition plate 3 and the right partition plate 3 are both provided with a second air inlet 6 and a second air outlet 7 at intervals, the first air inlet 4 corresponds to the second air inlet 6, and the first air outlet 5 corresponds to the second air outlet 7; a guide plate 8 is arranged between the partition plate 3 and the adjacent side wall of the cabinet body 1, the guide plate 8 is positioned between the first air inlet 4 and the first air outlet 5, the guide plate 8 is arranged in a manner of declining from the partition plate 3 to the adjacent side wall of the cabinet body 1, and a screen plate 9 is arranged above the guide plate 8; an air inlet water absorbing sponge 10 is filled between the first air inlet 4 and the second air inlet 6, and an air outlet water absorbing sponge 11 is filled between the first air outlet 5 and the second air outlet 7; a connecting rod 12 penetrates downwards from the upper part of the cabinet body 1 between the partition plate 3 and the adjacent side wall of the cabinet body 1, connecting rod through holes are formed in the air outlet water-absorbing sponge 11, the net plate 9 and the guide plate 8, a first push plate 13 is fixed at the lower end of the connecting rod 12, the lower end face of the first push plate 13 is fixedly connected with the upper end face of the air inlet water-absorbing sponge 10, a second push plate 14 is arranged at the position, located at the air outlet water-absorbing sponge 11, of the connecting rod 12, and the lower end face of the second push plate 14 is fixedly connected with the upper end face of the air outlet water-absorbing sponge 11; the left connecting rod 12 and the right connecting rod 12 are controlled to synchronously extend and retract through a telescopic mechanism; two water outlet pipes 15 are arranged on the side wall of the cabinet body 1 at intervals, wherein one water outlet pipe 15 corresponds to the upper end of the lower edge of the guide plate 8, and the other water outlet pipe 15 corresponds to the lower end of the inner cavity of the cabinet body 1; when the power distribution cabinet is used, under the action of the fan 2, external air enters from the first air inlet 4, enters a region between the two partition plates 3 through the second air inlet 6 after being absorbed by the air inlet water absorption sponge 10, is discharged from the second outlet after being radiated by the air, is finally discharged from the first air outlet 5 after being absorbed by the air outlet water absorption sponge 11, is circularly reciprocated, and is used for a period of time, the telescopic mechanism is started, the connecting rod 12 is shifted to move downwards, the second push plate 14 pushes the air outlet water absorption sponge 11 to extrude onto the screen plate 9, extruded water is guided by the guide plate 8 and is discharged from the corresponding water outlet pipe 15, meanwhile, the first push plate 13 pushes the air inlet water absorption sponge 10 to extrude onto the bottom plate of the inner cavity of the cabinet body 1, the extruded water is discharged through the corresponding water outlet pipe 15, and then the telescopic mechanism drives the connecting rod 12 to reset; the retractable mechanism is controlled to be opened and closed periodically by a controller of the cabinet body 1.
In this embodiment, the telescopic mechanism includes a connecting plate 16, a telescopic rod 17 and a guide rod 18, the tops of the left and right connecting rods 12 are connected through the connecting plate 16, the connecting plate 16 is connected with the telescopic rod 17 which is longitudinally arranged, the telescopic rod 17 drives the connecting rod to move up and down, and further drives the first push plate 13 and the second push plate 14 to move up and down, so that the air inlet water absorption sponge 10 and the air outlet water absorption sponge 11 are reset after extruding redundant water, the guide rod 18 is fixed on the top of the cabinet body 1, the upper end of the guide rod 18 penetrates through the connecting plate 16, and the guide rod 18 plays a role in guiding the connecting plate 16 in the process that the telescopic rod 17 drives the connecting plate 16 to move up and down, thereby ensuring that the two connecting rods 12 move stably; the telescopic rod 17 is an electric telescopic rod 17, or an air cylinder, or a hydraulic rod.
In this embodiment, the heights of the air inlet water absorption sponge 10 and the air outlet water absorption sponge 11 are the same; when the air inlet water absorption sponge 10 corresponds to the first air inlet 4 and the second air inlet 6, the distance from the air inlet water absorption sponge 10 to the lower end face of the inner wall of the cabinet body 1 is H1, and H1 is larger than the height of the air inlet water absorption sponge 10; when the sponge 11 that absorbs water gives vent to anger corresponds with first gas outlet 5 and second gas outlet 7 position, the distance that the lower terminal surface of the sponge 11 that absorbs water of giving vent to anger reaches otter board 9 up end is H2, H2 equals H1, before guaranteeing that first push pedal 13 promotes to admit air sponge 10 that absorbs water and second push pedal 14 promotes to give vent to anger sponge 11 that absorbs water, sponge 10 that absorbs water that admits air contacts cabinet 1 bottom plate and sponge 11 that absorbs water of giving vent to anger contact otter board 9, the moisture in sponge 10 that absorbs water and the sponge 11 that absorbs water of giving vent to anger is difficult to be extruded, prevent that the water from getting into between two left and right sides baffle 3 from second air inlet 6 or second gas outlet 7.
In this embodiment, a rubber sealing ring is fixed on the inner wall of the connecting rod through hole of the flow guide plate 8, and the rubber sealing ring can effectively prevent the water extruded from the air outlet water absorption sponge 11 from entering the area below the flow guide plate 8 through the connecting rod through hole on the flow guide plate 8.
In this embodiment, the water blocking cover 19 is disposed at the end of the second air inlet 6 and the end of the second air outlet 7 facing the inner side of the cabinet 1, the water blocking cover 19 includes two end water blocking plates of the side water blocking plate, the side water blocking plates are disposed by inclining downward from the second air inlet 6 or the second air outlet 7, the end water blocking plates are disposed at the front end and the rear end of the side water blocking plate and are fixedly connected to the side wall of the partition plate 3, even in the process that the first pushing plate 13 pushes the air inlet water absorbing sponge 10 or the process that the second pushing plate 14 pushes the air outlet water absorbing sponge 11, a part of water is extruded to enter the side of the partition plate 3 facing the inner middle of the cabinet 1 through the second air inlet 6 or the second air outlet 7, and can be blocked and flow back by the water blocking cover 19.
In this embodiment, the outsides of the first air inlet 4 and the second air inlet 6 are both provided with a rain cover 20.
In this embodiment, the top of regulation is provided with rain-proof top cover 21, and telescopic link 17's cylinder can be fixed on rain-proof top cover 21, and the bottom of the cabinet body 1 is provided with rain-proof support column 22.
In this embodiment, all be provided with the solenoid valve on the outlet pipe 15, the electronic valve is also controlled by the controller of switch board, and the electronic valve is opened when telescopic link 17 starts among the telescopic machanism, and the solenoid valve is closed after telescopic link 17 resets.
In this embodiment, an electric component mounting board is mounted between the left and right partition plates 3 for mounting electric components.
The above embodiments are only specific examples of the present invention, and the protection scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any suitable changes or modifications made by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides an electrical equipment dampproof device, includes the cabinet body and sets up in the internal fan of cabinet, its characterized in that: the left side and the right side of the inner cavity of the cabinet body are respectively provided with a partition plate, the left side wall and the right side wall of the cabinet body are respectively provided with a first air inlet and a first air outlet at intervals, the first air inlet is positioned below the first air outlet, the left partition plate and the right partition plate are respectively provided with a second air inlet and a second air outlet at intervals, the position of the first air inlet corresponds to that of the second air inlet, and the position of the first air outlet corresponds to that of the second air outlet; a guide plate is arranged between the partition plate and the adjacent side wall of the cabinet body, the guide plate is positioned between the first air inlet and the first air outlet, the guide plate is arranged in a downward inclination manner from the partition plate to the adjacent side wall of the cabinet body, and a screen plate is arranged above the guide plate; air inlet and water absorption sponges are filled between the first air inlet and the second air inlet, and air outlet and water absorption sponges are filled between the first air outlet and the second air outlet; a connecting rod penetrates downwards from the upper part of the cabinet body between the partition board and the adjacent side wall of the cabinet body, connecting rod through holes are formed in the air outlet water absorption sponge, the net plate and the guide plate, a first push plate is fixed at the lower end of the connecting rod, the lower end face of the first push plate is fixedly connected with the upper end face of the air inlet water absorption sponge, a second push plate is arranged at the position, where the air outlet water absorption sponge is located, of the connecting rod, and the lower end face of the second push plate is fixedly connected with the upper end face of the air outlet water absorption sponge; the left connecting rod and the right connecting rod are controlled to synchronously extend and retract through a retracting mechanism; two water outlet pipes are arranged on the side wall of the cabinet body at intervals, wherein the position of one water outlet pipe corresponds to the upper end of the lower edge of the guide plate, and the position of the other water outlet pipe corresponds to the lower end of the inner cavity of the cabinet body; the telescopic mechanism comprises a connecting plate, telescopic rods and guide rods, the tops of the left connecting rod and the right connecting rod are connected through the connecting plate, the connecting plate is connected with the telescopic rods which are longitudinally arranged, the telescopic rods drive the connecting rods to move up and down, the guide rods are fixed at the top of the cabinet body, and the upper ends of the guide rods penetrate through the connecting plate; the telescopic rod is an electric telescopic rod, or an air cylinder, or a hydraulic rod; the height of the air inlet water absorption sponge is the same as that of the air outlet water absorption sponge; when the air inlet water absorption sponge corresponds to the first air inlet and the second air inlet in position, the distance from the air inlet water absorption sponge to the lower end face of the inner wall of the cabinet body is H1, and the H1 is greater than the height of the air inlet water absorption sponge; when the air outlet water absorption sponge corresponds to the first air outlet and the second air outlet in position, the distance from the lower end face of the air outlet water absorption sponge to the upper end face of the screen plate is H2, and H2 is equal to H1.
2. An electrical equipment moisture barrier as claimed in claim 1, wherein: and a rubber sealing ring is fixed on the inner wall of the connecting rod through hole of the guide plate.
3. An electrical equipment moisture barrier as claimed in claim 1, wherein: the one end towards the cabinet body inboard of second air inlet and second gas outlet all is provided with the manger plate cover, and the manger plate cover includes two end manger plates of side manger plate, and the side manger plate is by the lower slope setting of side air inlet or second gas outlet, the end manger plate set up in the front end and the rear end of side manger plate and with the lateral wall fixed connection of baffle.
4. An electrical equipment moisture barrier as claimed in claim 1, wherein: rain-proof cover all is provided with in the outside of first air inlet and second air inlet.
5. An electrical equipment moisture barrier as claimed in claim 1 in which: the top of the cabinet body is provided with a rainproof top cover, and the bottom of the cabinet body is provided with a rainproof support column.
6. An electrical equipment moisture barrier as claimed in claim 1 in which: and the water outlet pipes are provided with electromagnetic valves.
7. An electrical equipment moisture barrier as claimed in claim 1, wherein: an electric element mounting plate is arranged between the left and the right clapboards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110672962.1A CN113314965B (en) | 2021-06-17 | 2021-06-17 | Moisture-proof device for electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110672962.1A CN113314965B (en) | 2021-06-17 | 2021-06-17 | Moisture-proof device for electrical equipment |
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| Publication Number | Publication Date |
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| CN113314965A CN113314965A (en) | 2021-08-27 |
| CN113314965B true CN113314965B (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110672962.1A Active CN113314965B (en) | 2021-06-17 | 2021-06-17 | Moisture-proof device for electrical equipment |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210640592U (en) * | 2019-11-09 | 2020-05-29 | 济南志远电器成套设备有限公司 | Heat dissipation dehumidification high-low voltage power distribution cabinet |
| CN210640526U (en) * | 2019-11-09 | 2020-05-29 | 济南志远电器成套设备有限公司 | Self-dehumidifying electrical power distribution cabinet |
| CN211981262U (en) * | 2020-04-17 | 2020-11-20 | 福建省速卖通电子商务有限公司 | Dampproofing dehumidification's block terminal |
| CN111472883A (en) * | 2020-04-22 | 2020-07-31 | 合肥康尔信电力系统有限公司 | Waterproof and moistureproof diesel generator device and working method thereof |
| CN212343139U (en) * | 2020-06-11 | 2021-01-12 | 广东大龙电器有限公司 | Power distribution cabinet with heat dissipation and moisture prevention effects |
| CN111668710A (en) * | 2020-06-29 | 2020-09-15 | 常熟市欣原电器控制设备有限公司 | Low-voltage distribution cabinet with inside protection machanism |
| CN213212684U (en) * | 2020-09-14 | 2021-05-14 | 天津市兴源天开电器成套设备有限公司 | High-insulativity power distribution cabinet |
| CN111952859A (en) * | 2020-09-21 | 2020-11-17 | 淮阴工学院 | Waterproof switch cabinet and installation method thereof |
| CN112928620B (en) * | 2021-02-08 | 2022-09-27 | 国网浙江省电力有限公司杭州市临安区供电公司 | High-efficient dehumidification switch board |
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