CN215071235U - Based on energy-conserving heat dissipation type high-low pressure switch board in complete set - Google Patents
Based on energy-conserving heat dissipation type high-low pressure switch board in complete set Download PDFInfo
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- CN215071235U CN215071235U CN202121104055.9U CN202121104055U CN215071235U CN 215071235 U CN215071235 U CN 215071235U CN 202121104055 U CN202121104055 U CN 202121104055U CN 215071235 U CN215071235 U CN 215071235U
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Abstract
The utility model relates to an energy-conserving switch board technical field specifically is a based on energy-conserving heat dissipation type high-low pressure complete set switch board, including the energy-conserving switch board body, the internal portion of energy-conserving switch board is close to top and the other fixed mounting fan module of bottom punishment, the air outlet duct is seted up to energy-conserving switch board body upper surface. The utility model discloses stretch out from exhaust vent B on energy-conserving distribution cabinet body during operation baffle top in the device, exhaust vent B can communicate with each other with exhaust vent A, fan module accessible fresh air inlet is with the leading-in energy-conserving distribution cabinet internal portion of air, and finally discharge by exhaust vent B through exhaust vent A, when energy-conserving distribution cabinet is idle, fan module stop work, and the electro-magnet outage, under spring B's elastic action, promote the shrouding and shift up, the fine block of baffle tip and exhaust vent B this moment, form sealed effect, can prevent effectively that dust impurity from getting into energy-conserving distribution cabinet internal portion, effectively avoid the dust to get into and produce the power consumption potential safety hazard.
Description
Technical Field
The utility model relates to an energy-conserving switch board technical field specifically is a based on energy-conserving heat dissipation type high-low pressure complete set switch board.
Background
The rated current of the low-voltage power distribution cabinet is 50Hz of alternating current, the power distribution system with the rated voltage of 380v is used for power, lighting and power distribution electric energy conversion and control, and the product has the characteristics of strong breaking capacity, good dynamic and thermal stability, flexible electric scheme, convenience in combination, high seriousness, practicability, novel structure and the like.
The heat dissipation holes are usually formed in the existing energy-saving power distribution cabinet for solving the heat dissipation problem, the fan module is added in the power distribution cabinet, the fan module works under the flow guide effect of the heat dissipation holes, so that the heat dissipation function is achieved, the heat dissipation hole end is directly exposed, a large amount of dust and impurities enter the cabinet body, electricity safety accidents are easily caused, and the whole set of power distribution cabinet based on the energy-saving heat dissipation type high-low voltage is extremely unsafe.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a based on energy-conserving heat dissipation type high-low pressure switch board in complete set to solve and to propose among the above-mentioned background art because the radiating hole end directly exposes, the internal portion of cabinet will get into a large amount of dust impurity, thereby causes the problem of power consumption incident easily.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a based on energy-conserving heat dissipation type high-low pressure complete set switch board, includes the energy-conserving distribution cabinet body, the inside fixed mounting fan module that does not punishment near top and bottom of the energy-conserving distribution cabinet body, the air outlet groove is seted up to energy-conserving distribution cabinet body upper surface, air outlet groove bottom surface symmetry sets up exhaust vent A, and exhaust vent A communicates with each other with the internal portion of energy-conserving distribution cabinet, the fresh air inlet is opened to energy-conserving distribution cabinet body lower surface, and the fresh air inlet communicates with each other with the internal portion of energy-conserving distribution cabinet, be equipped with filter assembly between the fresh air inlet lateral wall, the bottom of the energy-conserving distribution cabinet body is located apex angle department and all is equipped with supporting component, the inside subassembly that opens and shuts that is equipped with of air outlet groove.
Preferably, the filtering assembly comprises a guide pillar, a pressing plate and a filter screen, a side groove is formed in the surface of the side wall on one side of the air inlet, the guide pillar is inserted in the side groove in a sliding mode and penetrates into the energy-saving distribution cabinet body in a sliding mode, the end portion of the guide pillar is located in the side groove, the pressing plate is fixedly installed in the side groove, the outer surface of the guide pillar is located between the top wall of the side groove and the pressing plate, a spring A is sleeved on the outer surface of the guide pillar, and the guide pillar is elastically connected with the top wall of the side groove through the spring A.
Preferably, the air inlet lateral wall surface sets up with the side groove department of corresponding and steps down the groove, the filter screen is established to the inside card of air inlet, filter screen bilateral symmetry fixed mounting stopper, and the stopper and the clamp plate extrusion fit of filter screen one side, and the stopper of filter screen opposite side and the groove structure cooperation of stepping down.
Preferably, the subassembly that opens and shuts includes spacing post, shrouding, spring B, magnetism sliding block and electro-magnet, it is located the spacing post of fixed mounting between the exhaust vent A to go out air chute bottom surface, the shrouding is established to spacing post surface slip cap, spacing post surface is located the shrouding and goes out the air chute bottom between the cover and establish spring B, and the shrouding passes through spring B and goes out air chute bottom surface elastic connection, the spout is all seted up with shrouding both sides department of correspondence to air-out chute lateral wall surface, the equal fixed mounting electro-magnet in spout bottom, the inside slidable mounting magnetism sliding block of spout, and magnetism sliding block side surface and shrouding both sides correspond fixed connection, and magnetism sliding block and electro-magnet magnetism inhale the cooperation.
Preferably, the air-out groove bottom surface is located the symmetrical fixed mounting baffle in the exhaust vent A outside, exhaust vent B is all opened with baffle corresponding position department to the shrouding upper surface, and exhaust vent B all corresponds the block cooperation with the baffle tip.
Preferably, the supporting component includes L type hole, bolt, piston A, piston B and supporting legs, energy-conserving distribution cabinet body bottom is close to apex angle department and all sets up L type hole, L type side end internal gearing twists and establishes the bolt, the bolt tip is located L type downthehole fixed mounting piston A, and piston A surface and L type downthehole wall sliding connection, L type downthehole wall is close to lower port department sliding mounting piston B, and piston B and piston A structural coordination, piston B lower surface is located L type downthehole fixed mounting supporting legs, and the supporting legs extends to energy-conserving distribution cabinet body outside.
Compared with the prior art, the beneficial effects of the utility model are that:
1. when the energy-saving power distribution cabinet is idle, the fan module stops working, the electromagnet is powered off, the sealing plate is pushed to move upwards under the elastic action of the spring B, the end part of the baffle is well clamped with the air outlet hole B to form a sealing effect, dust and impurities can be effectively prevented from entering the energy-saving power distribution cabinet, and the dust is effectively prevented from entering the energy-saving power distribution cabinet to generate power utilization potential safety hazards;
2. can filter leading-in air through filtering component, the filter screen is convenient for install and change simultaneously, upwards stimulate the guide pillar in combining this device, the guide pillar will overcome spring A elasticity and drive the clamp plate and shift up, put into the filter screen through the slant this moment, and adjust filter screen to the level form in the groove bottom department of stepping down, move the filter screen to side slot one side again, not hard up guide pillar this moment, it moves down to drive the guide pillar under spring A's elastic action, make clamp plate tip extrusion stopper, the filter screen can play fine filter effect, can effectively filter the inside dust impurity of air, prevent that it from getting into the inside potential safety hazard that produces of energy-conserving distribution cabinet, when changing the filter screen, upwards stimulate the guide pillar, can take off the filter screen fast, very big installation and the change of filter screen have been made things convenient for.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the filter assembly of the present invention;
FIG. 3 is a schematic view of the opening/closing assembly of the present invention;
fig. 4 is a schematic structural view of the support assembly of the present invention.
In the figure: 1. an energy-saving power distribution cabinet body; 101. a fan module; 102. an air inlet hole; 103. an air outlet groove; 104. an air outlet hole A; 2. a filter assembly; 201. a side groove; 202. a guide post; 203. pressing a plate; 204. a spring A; 205. a yielding groove; 206. filtering with a screen; 207. a limiting block; 3. an opening and closing assembly; 301. a limiting column; 302. closing the plate; 303. a spring B; 304. an air outlet hole B; 305. a baffle plate; 306. a chute; 307. a magnetic slider; 308. an electromagnet; 4. a support assembly; 401. an L-shaped hole; 402. a bolt; 403. a piston A; 404. a piston B; 405. support the feet.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment:
a high-low voltage complete set power distribution cabinet based on energy-saving heat dissipation type comprises an energy-saving power distribution cabinet body 1, fan modules 101 are fixedly installed at positions, close to the top and the bottom, inside the energy-saving power distribution cabinet body 1 respectively, air outlet grooves 103 are formed in the upper surface of the energy-saving power distribution cabinet body 1, air outlet holes A104 are symmetrically formed in the bottom surface of the air outlet grooves 103, the air outlet holes A104 are communicated with the inside of the energy-saving power distribution cabinet body 1, air inlet holes 102 are formed in the lower surface of the energy-saving power distribution cabinet body 1, the air inlet holes 102 are communicated with the inside of the energy-saving power distribution cabinet body 1, filter assemblies 2 are arranged between the side walls of the air inlet holes 102, supporting assemblies 4 are arranged at the top corners of the bottom of the energy-saving power distribution cabinet body 1, and opening and closing assemblies 3 are arranged inside the air outlet grooves 103;
further, the filtering assembly 2 includes a guide post 202, a pressing plate 203 and a filter screen 206, the side wall surface on one side of the air inlet 102 is provided with a side groove 201, the guide post 202 is slidably inserted into the side groove 201, the guide post 202 slidably penetrates into the energy-saving distribution cabinet body 1, the pressing plate 203 is fixedly mounted at the end of the guide post 202 in the side groove 201, a spring a204 is sleeved between the top wall of the side groove 201 and the pressing plate 203 on the outer surface of the guide post 202, the guide post 202 is elastically connected with the top wall of the side groove 201 through the spring a204, the guide post 202 is pulled upwards, the guide post 202 overcomes the elastic force of the spring a204 and drives the pressing plate 203 to move upwards, and the filter screen 206 can be conveniently and rapidly mounted and dismounted;
furthermore, a yielding groove 205 is arranged on the surface of the side wall of the air inlet hole 102 corresponding to the side groove 201, a filter screen 206 is clamped inside the air inlet 102, two sides of the filter screen 206 are symmetrically and fixedly provided with limit blocks 207, and the limit block 207 on one side of the filter screen 206 is in press fit with the pressure plate 203, and the limit block 207 on the other side of the filter screen 206 is in structural fit with the abdicating groove 205, by pulling the guide pillar 202 upwards, the guide pillar 202 will overcome the elastic force of the spring a204 and drive the pressing plate 203 upwards, at this time by obliquely putting into the filter screen 206, the filter screen 206 is adjusted to be horizontal at the bottom of the receding groove 205, and then the filter screen 206 is moved to one side of the side groove 201, at this time, the guide post 202 is loosened, the guide post 202 is driven to move downwards under the action of the elastic force of the spring A204, so that the end part of the pressing plate 203 extrudes the limiting block 207, the filter screen 206 can play a good role in filtering, dust and impurities in the air can be effectively filtered, and the dust and impurities are prevented from entering the energy-saving distribution cabinet body 1 to generate potential safety hazards;
further, the opening and closing assembly 3 includes a limiting column 301, a sealing plate 302, a spring B303, a magnetic sliding block 307 and an electromagnet 308, the limiting column 301 is fixedly installed between the air outlet holes a104 on the bottom surface of the air outlet groove 103, the sealing plate 302 is slidably sleeved on the outer surface of the limiting column 301, the spring B303 is sleeved between the sealing plate 302 and the bottom of the air outlet groove 103 on the outer surface of the limiting column 301, the sealing plate 302 is elastically connected with the bottom surface of the air outlet groove 103 through the spring B303, sliding grooves 306 are respectively formed on the side wall surface of the air outlet groove 103 corresponding to the two sides of the sealing plate 302, the electromagnet 308 is fixedly installed at the bottom of the sliding groove 306, the magnetic sliding block 307 is slidably installed inside the sliding groove 306, the side surface of the magnetic sliding block 307 is fixedly connected with the two sides of the sealing plate 302, the magnetic sliding block 307 is magnetically matched with the electromagnet 308, the electromagnet 308 works to attract the magnetic sliding block 307 to move down along the sliding groove 306 through the magnetic force action, at this time, the closing plate 302 overcomes the elastic force of the spring B303 and moves downwards along the limiting column 301, so that the flow guiding effect of the device can be conveniently realized;
furthermore, the bottom surface of the air outlet groove 103 is symmetrically and fixedly provided with the baffle 305 outside the air outlet hole a104, the upper surface of the sealing plate 302 and the position corresponding to the baffle 305 are both provided with the air outlet hole B304, the end parts of the air outlet hole B304 and the baffle 305 are correspondingly clamped and matched, the top end of the baffle 305 extends out of the air outlet hole B304, the air outlet hole B304 and the air outlet hole a104 can be communicated, the fan module 101 can guide air into the energy-saving distribution cabinet body 1 through the air inlet hole 102 and finally exhaust the air through the air outlet hole a104 and the air outlet hole B304, heat generated by the internal work of the energy-saving distribution cabinet body 1 can be dissipated to the outside of the energy-saving distribution cabinet body 1, so as to achieve a good heat dissipation effect, when the energy-saving distribution cabinet body 1 is idle, the fan module 101 stops working, the electromagnet 308 is powered off, the sealing plate 302 is pushed to move upwards under the elastic action of the spring B303, and the end part of the baffle 305 and the air outlet hole B304 are well clamped to form a sealing effect, dust and impurities can be effectively prevented from entering the energy-saving distribution cabinet body 1;
further, the support assembly 4 includes an L-shaped hole 401, a bolt 402, a piston a403, a piston B404 and a support leg 405, the energy-saving distribution cabinet body 1 is provided with the L-shaped hole 401 at a position close to the top corner at the bottom, the bolt 402 is engaged and screwed inside the side end of the L-shaped hole 401, the end of the bolt 402 is located inside the L-shaped hole 401, the piston a403 is fixedly installed in the L-shaped hole 401, the outer surface of the piston a403 is slidably connected with the inner wall of the L-shaped hole 401, the piston B404 is slidably installed at the position close to the lower port on the inner wall of the L-shaped hole 401, the piston B404 is structurally matched with the piston a403, the support leg 405 is fixedly installed inside the L-shaped hole 401, the support leg 405 extends to the outside of the energy-saving distribution cabinet body 1, according to the conditions of seasons and ambient humidity, if the ambient humidity is higher, the bolt 402 is screwed inwards to drive the piston a403 to advance forwards, and due to the effect of the air pressure inside the L-shaped hole 401, the piston B404 is pushed to move downwards, thereby drive supporting legs 405 and stretch out from the port part under L type hole 401, play fine supporting role for energy-conserving distribution cabinet body 1 is whole to be in the take the altitude for ground, effectively prevents to inhale the inside potential safety hazard that produces of energy-conserving distribution cabinet body 1 with the great air of humidity.
The working principle is as follows: when the device is used, the guide post 202 is pulled upwards, the guide post 202 overcomes the elasticity of the spring A204 and drives the pressure plate 203 to move upwards, the filter screen 206 is obliquely put into the filter screen 206 at the moment, the filter screen 206 is adjusted to be horizontal at the bottom of the abdicating groove 205, the filter screen 206 is moved towards one side of the side groove 201, the guide post 202 is loosened, the guide post 202 is driven to move downwards under the action of the elasticity of the spring A204, the end part of the pressure plate 203 extrudes the limit block 207, the filter screen 206 can play a good filtering effect, dust and impurities in the air can be effectively filtered, the dust and impurities are prevented from entering the energy-saving distribution cabinet body 1 to generate potential safety hazards, when the filter screen 206 is replaced, the guide post 202 is pulled upwards, the filter screen 206 can be quickly removed, the installation and replacement of the filter screen 206 are greatly facilitated, and then according to the conditions of seasons and the environment humidity, if the environment humidity is higher, the bolt 402 is screwed inwards, the piston A403 can be driven to be pushed forwards, due to the action of air pressure inside the L-shaped hole 401, the piston B404 can be pushed to move downwards, so as to drive the supporting leg 405 to extend out from the lower port part of the L-shaped hole 401, thereby playing a good supporting role, so that the whole energy-saving power distribution cabinet body 1 is at a certain height relative to the ground, thereby effectively preventing potential safety hazard caused by sucking air with high humidity into the energy-saving power distribution cabinet body 1, when the whole energy-saving power distribution cabinet body 1 works, the fan module 101 works accordingly, the electromagnet 308 works at the same time, the magnetic sliding block 307 is attracted to move downwards along the sliding groove 306 through the magnetic force, at the same time, the closing plate 302 overcomes the elasticity of the spring B303 to move downwards along the limiting column 301, the top end of the baffle 305 extends out of the air outlet B304, the air outlet B304 can be communicated with the air outlet a104, the fan module 101 can guide the air into the energy-saving power distribution cabinet body 1 through the air inlet 102 and finally is discharged out of the air outlet B304 through the air outlet a104, can spill the heat that energy-conserving distribution cabinet body 1 internal work produced to energy-conserving distribution cabinet body 1's outside, play fine radiating effect, when energy-conserving distribution cabinet body 1 is idle, fan module 101 stop work, and electro-magnet 308 outage, under the elastic action of spring B303, promote shrouding 302 and shift up, baffle 305 tip and the fine block of exhaust vent B304 this moment, form sealed effect, can prevent effectively that dust impurity from getting into inside energy-conserving distribution cabinet body 1.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a based on energy-conserving heat dissipation type high-low pressure complete set switch board, includes energy-conserving switch board body (1), its characterized in that: energy-conserving distribution cabinet body (1) is inside to be close to top and bottom punishment respectively fixed mounting fan module (101), air-out groove (103) is seted up to energy-conserving distribution cabinet body (1) upper surface, air-out hole A (104) have been seted up to air-out groove (103) bottom surface symmetry, and air-out hole A (104) and energy-conserving distribution cabinet body (1) are inside to communicate with each other, fresh air inlet (102) are opened to energy-conserving distribution cabinet body (1) lower surface, and fresh air inlet (102) and energy-conserving distribution cabinet body (1) are inside to communicate with each other, be equipped with filter assembly (2) between fresh air inlet (102) lateral wall, the bottom of energy-conserving distribution cabinet body (1) is located apex angle department and all is equipped with supporting component (4), air-out groove (103) inside is equipped with subassembly (3) that opens and shuts.
2. The energy-saving heat dissipation type high-low voltage complete power distribution cabinet according to claim 1, characterized in that: the filtering assembly (2) comprises a guide post (202), a pressing plate (203) and a filter screen (206), a side groove (201) is formed in the surface of the side wall of one side of the air inlet hole (102), the guide post (202) is inserted in the side groove (201) in a sliding mode, the guide post (202) penetrates into the energy-saving power distribution cabinet body (1) in a sliding mode, the end portion of the guide post (202) is located in the side groove (201) and fixedly provided with the pressing plate (203), the outer surface of the guide post (202) is located between the top wall of the side groove (201) and the pressing plate (203) and sleeved with a spring A (204), and the guide post (202) is elastically connected with the top wall of the side groove (201) through the spring A (204).
3. The energy-saving heat dissipation type high-low voltage complete power distribution cabinet according to claim 2, characterized in that: air inlet (102) lateral wall surface sets up groove of stepping down (205) with side groove (201) correspondence department, filter screen (206) are established to air inlet (102) inside card, filter screen (206) bilateral symmetry fixed mounting stopper (207), and stopper (207) and clamp plate (203) extrusion fit of filter screen (206) one side, and stopper (207) and the groove of stepping down (205) structure cooperation of filter screen (206) opposite side.
4. The energy-saving heat dissipation type high-low voltage complete power distribution cabinet according to claim 1, characterized in that: the opening and closing assembly (3) comprises limiting columns (301), sealing plates (302), springs B (303), magnetic sliding blocks (307) and electromagnets (308), the bottom surface of the air outlet groove (103) is fixedly installed between the air outlet holes A (104), the sealing plates (302) are sleeved on the outer surfaces of the limiting columns (301) in a sliding manner, the springs B (303) are sleeved on the outer surfaces of the limiting columns (301) between the sealing plates (302) and the bottom of the air outlet groove (103), the sealing plates (302) are elastically connected with the bottom surface of the air outlet groove (103) through the springs B (303), sliding grooves (306) are formed in the corresponding positions of the side wall surfaces of the air outlet groove (103) and the two sides of the sealing plates (302), the electromagnets (308) are fixedly installed at the bottoms of the sliding grooves (306), the magnetic sliding blocks (307) are installed inside the sliding grooves (306), and the side surfaces of the magnetic sliding blocks (307) correspond to the two sides of the sealing plates (302) in a fixed connection manner, and the magnetic sliding block (307) is matched with the electromagnet (308) in a magnetic attraction way.
5. The energy-saving heat dissipation type high-low voltage complete power distribution cabinet according to claim 4, characterized in that: air-out groove (103) bottom surface is located exhaust vent A (104) outside symmetry fixed mounting baffle (305), exhaust vent B (304) are all opened with baffle (305) corresponding position department to shrouding (302) upper surface, and exhaust vent B (304) and baffle (305) tip all correspond the block cooperation.
6. The energy-saving heat dissipation type high-low voltage complete power distribution cabinet according to claim 4, characterized in that: support assembly (4) include L type hole (401), bolt (402), piston A (403), piston B (404) and supporting legs (405), energy-conserving electricity distribution cabinet body (1) bottom is close to apex angle department and all sets up L type hole (401), bolt (402) are twisted to L type hole (401) side internal meshing, bolt (402) tip is located L type hole (401) internal fixation piston A (403), and piston A (403) surface and L type hole (401) inner wall sliding connection, L type hole (401) inner wall is close to lower port department sliding mounting piston B (404), and piston B (404) and piston A (403) structure fit, piston B (404) lower surface is located L type hole (401) internal fixation supporting legs (405), and supporting legs (405) extend to energy-conserving electricity distribution cabinet body (1) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121104055.9U CN215071235U (en) | 2021-05-21 | 2021-05-21 | Based on energy-conserving heat dissipation type high-low pressure switch board in complete set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121104055.9U CN215071235U (en) | 2021-05-21 | 2021-05-21 | Based on energy-conserving heat dissipation type high-low pressure switch board in complete set |
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| CN215071235U true CN215071235U (en) | 2021-12-07 |
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| CN202121104055.9U Active CN215071235U (en) | 2021-05-21 | 2021-05-21 | Based on energy-conserving heat dissipation type high-low pressure switch board in complete set |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114389163A (en) * | 2022-03-10 | 2022-04-22 | 广东特变电气股份有限公司 | Lightning protection type high-low voltage complete set switch board |
| CN114421341A (en) * | 2022-03-09 | 2022-04-29 | 重庆新臣宸电器有限公司 | Power distribution box with overheat protection structure |
| CN115296190A (en) * | 2022-10-09 | 2022-11-04 | 黑龙江德恩电力集团有限公司 | A heat-dissipation power distribution cabinet for automated control |
-
2021
- 2021-05-21 CN CN202121104055.9U patent/CN215071235U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114421341A (en) * | 2022-03-09 | 2022-04-29 | 重庆新臣宸电器有限公司 | Power distribution box with overheat protection structure |
| CN114389163A (en) * | 2022-03-10 | 2022-04-22 | 广东特变电气股份有限公司 | Lightning protection type high-low voltage complete set switch board |
| CN115296190A (en) * | 2022-10-09 | 2022-11-04 | 黑龙江德恩电力集团有限公司 | A heat-dissipation power distribution cabinet for automated control |
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