CN112003155A - Water-collecting type cooling power distribution cabinet - Google Patents
Water-collecting type cooling power distribution cabinet Download PDFInfo
- Publication number
- CN112003155A CN112003155A CN202010547270.XA CN202010547270A CN112003155A CN 112003155 A CN112003155 A CN 112003155A CN 202010547270 A CN202010547270 A CN 202010547270A CN 112003155 A CN112003155 A CN 112003155A
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- Prior art keywords
- water
- pipeline
- water storage
- power distribution
- distribution cabinet
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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
- H02B1/565—Cooling; Ventilation for cabinets
-
- 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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a water-collecting type cooling power distribution cabinet, which relates to the field of power distribution cabinets and comprises a power distribution cabinet body and a water storage part, wherein a plurality of heat absorption pipelines are arranged inside the power distribution cabinet body, and a water storage cavity is arranged inside the water storage part; one end of the water guide pipe is positioned in the water storage cavity, and the other end of the water guide pipe is communicated with the upper end of the heat absorption pipeline; the drainage pipeline is communicated with a municipal drainage system, the bottom end of the upright column extends into the drainage pipeline, a drinking water pipeline is arranged in the upright column, an opening at one end of the drinking water pipeline is positioned on the bottom end surface of the upright column, and the other end of the drinking water pipeline is communicated with the lower end of the heat absorption pipeline; a first electromagnetic valve fixed on the water guide pipe; the water storage chamber stores the water of rainy day, and outside temperature is higher, when causing the unable in time discharge of the inside heat of switch board body, first solenoid valve opens, makes water absorb the heat through the heat absorption pipeline to behind drinking water pipeline, discharge the heat by drainage pipe, make the inside temperature of switch board body in normal within range, guarantee electrical equipment ability normal operating.
Description
Technical Field
The invention relates to the field of power distribution cabinets, in particular to a water-collecting type cooling power distribution cabinet.
Background
The switch board is the final equipment of distribution system. 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. When the electrical equipment in the power distribution cabinet runs, a large amount of heat can be generated, and therefore the power distribution cabinet is provided with the heat dissipation device.
The applicant found that: at open air switch board, when outdoor temperature is higher, the inside heat abstractor of switch board can't be timely with the heat removal of inside, consequently causes the unable normal operating of switch board easily.
Disclosure of Invention
In view of this, the present invention provides a water-collecting type cooling power distribution cabinet to solve the technical problem that when the outdoor temperature is high in the power distribution cabinet in the prior art, the heat dissipation device inside the power distribution cabinet cannot timely dissipate the heat inside the power distribution cabinet, so that the power distribution cabinet cannot normally operate.
Based on the purpose, the invention provides a water-collecting type cooling power distribution cabinet, which comprises
The heat absorption type power distribution cabinet comprises a power distribution cabinet body and a water storage part, wherein the power distribution cabinet body is fixed on the bottom surface, the water storage part is fixed on the top of the power distribution cabinet body, a plurality of heat absorption pipelines are arranged inside the power distribution cabinet body, and a water storage cavity with an upward opening is arranged inside the water storage part;
the opening at one end of the water guide pipe is positioned in the water storage cavity, and the opening at the other end of the water guide pipe is communicated with the upper end of the heat absorption pipeline;
the top end of the water drinking pipeline is fixed on an upright post at the bottom of the power distribution cabinet body and a drainage pipeline positioned underground, the drainage pipeline is communicated with a municipal drainage system, the bottom end of the upright post extends into the drainage pipeline, a water drinking pipeline is arranged in the upright post, an opening at one end of the water drinking pipeline is positioned on the bottom end surface of the upright post, and the other end of the water drinking pipeline is communicated with the lower end of the heat absorption pipeline;
the first electromagnetic valve is fixed on the water guide pipe and used for controlling the on-off of the water guide pipe;
the water storage cavity is used for storing water in rainy days, when the temperature in the power distribution cabinet body rises, the first electromagnetic valve is opened, so that the water in the water storage cavity absorbs the heat in the power distribution cabinet body through the heat absorption pipeline and is discharged into a municipal drainage system through the drainage pipeline after passing through the drinking water pipeline.
Further, including being located this internal temperature sensor of switch board and controller, the controller respectively with first solenoid valve with temperature sensor electric connection.
Further, including the filter screen, the filter screen is located the water storage intracavity, and splits the water storage chamber into epicoele and cavity of resorption, the one end opening of aqueduct is located the cavity of resorption.
Furthermore, the water storage device comprises a heat insulation plate, wherein the heat insulation plate is arranged at an opening at the upper end of the water storage cavity, and the heat insulation plate is provided with a water inlet.
Furthermore, the heat insulation plate is concave, and the water inlet is the lowest part of the concave.
The water storage device is characterized by further comprising a sliding rod, an electromagnet and a spring, wherein a plurality of inner sliding chutes are formed in the side wall of the water storage cavity, a plurality of through holes penetrating through the inner sliding chutes are formed in the inner side wall of the water storage cavity, the sliding rod is connected with the inner sliding chutes in a sliding mode, and the side surfaces of the sliding rod are provided with connecting holes corresponding to the through holes one to one; when the sliding rod slides to the central axis of the connecting hole and is superposed with the central axis of the corresponding through hole, the through hole is completely opened; the electromagnet is fixed at the bottom of the inner sliding groove, one end of the spring is fixed at the inner sliding groove, the other end of the spring is fixed at the bottom of the sliding rod, when the spring is in a natural state, the connecting hole and the through hole are staggered, the through hole is completely closed by the sliding rod, and the electromagnet is electrically connected with the controller.
Furthermore, the upper end face that water storage spare was run through to interior spout, the upper end of slide bar extends to the outside of interior spout, and the extension section of slide bar is equipped with spacing end when spacing end and the upper end face contact of water storage spare, the perforation is opened completely.
Further, including pressure sensor, pressure sensor is fixed in the opening part that is close to the water storage chamber, and pressure sensor and controller electric connection.
The water drinking device further comprises a second electromagnetic valve, an annular pipeline positioned below the second electromagnetic valve, a third electromagnetic valve and a connecting pipe, wherein the annular pipeline is communicated with a municipal tap water system, the annular pipeline is communicated with a heat absorption pipeline through the connecting pipe, the second electromagnetic valve is positioned on the connecting pipe and used for controlling the connection and disconnection of the connecting pipe, the third electromagnetic valve is positioned on the upright post and used for controlling the connection and disconnection of the drinking water pipeline, and the controller is electrically connected with the second electromagnetic valve and the third electromagnetic valve respectively.
The invention has the beneficial effects that: by adopting the water collection type cooling power distribution cabinet, the water storage cavity stores water in rainy days, when the external temperature is high and the heat in the power distribution cabinet body cannot be discharged in time, the first electromagnetic valve is opened, the water guide pipe is opened, so that the water in the water storage cavity absorbs the heat in the power distribution cabinet body through the heat absorption pipeline, and the heat is discharged into a municipal drainage system through the water drainage pipeline after passing through the drinking water pipeline, so that the heat in the power distribution cabinet body can be taken out in time, the temperature in the power distribution cabinet body is in a normal range, and the normal operation of electrical equipment is ensured.
Drawings
FIG. 1 is a front cross-sectional view of an embodiment of the present invention;
FIG. 2 is an enlarged view of a water storage member in accordance with an embodiment of the present invention;
fig. 3 is an enlarged view of the vertical column in the embodiment of the present invention.
The system comprises a power distribution cabinet body 1, a controller 2, a temperature sensor 3, a water storage part 4, a water guide pipe 5, a heat absorption pipeline 6, a stand column 7, a water guide pipeline 8, a water discharge pipeline 9, a first electromagnetic valve 10, a filter screen 11, a heat insulation plate 12, a water inlet 13, a perforation 14, an internal chute 15, a slide bar 16, a connecting hole 17, an electromagnet 18, a spring 19, a second electromagnetic valve 20, a circular pipeline 21, a third electromagnetic valve 22, a connecting pipe 23 and a pressure sensor 24.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
In view of the above purpose, the first aspect of the present invention provides an embodiment of a water-collecting cooling distribution cabinet, as shown in fig. 1, including
The heat absorption type water distribution cabinet comprises a power distribution cabinet body 1 fixed on the bottom surface and a water storage part 4 fixed on the top of the power distribution cabinet body 1, wherein a plurality of heat absorption pipelines 6 are arranged inside the power distribution cabinet body 1, and a water storage cavity with an upward opening is arranged inside the water storage part 4;
the water guide pipe 5 is positioned at the bottom of the water storage cavity, one end opening of the water guide pipe is positioned in the water storage cavity, and the other end opening of the water guide pipe is communicated with the upper end of the heat absorption pipeline 6;
the top end of the water distribution cabinet is fixed on an upright post 7 at the bottom of the power distribution cabinet body 1 and a drainage pipeline 9 positioned underground, the drainage pipeline 9 is communicated with a municipal drainage system, the bottom end of the upright post 7 extends into the drainage pipeline 9, a drinking water pipeline 8 is arranged in the upright post 7, an opening at one end of the drinking water pipeline 8 is positioned on the bottom end surface of the upright post 7, and the other end of the drinking water pipeline 8 is communicated with the lower end of the heat absorption pipeline 6;
the first electromagnetic valve 10 is fixed on the water guide pipe 5 and is used for controlling the on-off of the water guide pipe 5;
in this embodiment, the water storage chamber is used for storing the water when rainy day, rise at the inside temperature of switch board body 1, when causing the unable in time discharge of the inside heat of switch board body 1, first solenoid valve 10 opens, make the water in the water storage chamber absorb the inside heat of switch board body 1 through heat absorption pipeline 6, and after water drinking pipeline 8, arrange the heat to municipal drainage system by drainage pipe 9, can in time take away the inside heat of switch board body 1 like this, make the inside temperature of switch board body 1 at normal within range, guarantee that electrical equipment can normal operating, here, the inner wall mountable heat absorbing material of heat absorption pipeline 6, improve heat absorption efficiency.
As an embodiment, as shown in fig. 1, the temperature sensor 3 and the controller 2 are located in the power distribution cabinet body 1, and the controller 2 is electrically connected to the first electromagnetic valve 10 and the temperature sensor 3, respectively.
In this embodiment, set up the temperature threshold value in the controller 2, when temperature sensor 3 exceeded the temperature threshold value that sets up, controller 2 controlled first solenoid valve 10 and opened, made aqueduct 5 open, when the temperature was less than the temperature threshold value, controller 2 controlled first solenoid valve 10 and closed, cooling that so on the one hand can be timely, can on the one hand fall the back at the temperature, in time with aqueduct 5 closure, practice thrift the water resource in the water storage chamber. Meanwhile, the controller 2 can select an AT89C51 singlechip.
As an implementation mode, as shown in fig. 2, the water storage device comprises a filter screen 11, the filter screen 11 is located in the water storage cavity and divides the water storage cavity into an upper cavity and a lower cavity, and an opening at one end of the water conduit 5 is located in the lower cavity. Filter the impurity in the rainwater through filter screen 11, prevent that the impurity in the rainwater from getting into heat absorption pipeline 6, cause the heat absorption effect not good.
As an embodiment, as shown in FIG. 2, the water storage device comprises a heat insulation plate 12, wherein the heat insulation plate 12 is arranged at an opening at the upper end of the water storage cavity, and the heat insulation plate 12 is provided with a water inlet 13.
Because the opening of the water storage cavity is upward, if the sun is large, particularly in summer, the temperature of water in the water storage cavity is easy to rise, and the heat absorption effect is poor, so that in the embodiment, the heat insulation plate 12 is used for preventing the sun from directly irradiating the water in the water storage cavity, and the heat absorption effect is improved.
As an embodiment, as shown in fig. 2, the heat insulation board 12 is concave, and the water inlet 13 is the lowest part of the concave, so that when raining, water resources can be collected more quickly and effectively through the concave heat insulation board 12.
As an embodiment, as shown in fig. 2, the water storage device comprises a sliding rod 16, an electromagnet 18 and a spring 19, wherein a plurality of inner sliding grooves 15 are formed in the side wall of a water storage cavity, a plurality of through holes 14 penetrating through the inner sliding grooves 15 are formed in the inner side wall of the water storage cavity, the sliding rod 16 is connected with the inner sliding grooves 15 in a sliding manner, and the side surface of the sliding rod 16 is provided with connecting holes 17 corresponding to the through holes 14 one to one; when the sliding rod 16 slides to the central axis of the connecting hole 17 and is coincident with the central axis of the corresponding through hole 14, the through hole 14 is completely opened; the electromagnet 18 is fixed at the bottom of the inner sliding groove 15, one end of the spring 19 is fixed at the inner sliding groove 15, the other end of the spring 19 is fixed at the bottom of the sliding rod 16, when the spring 19 is in a natural state, the connecting hole 17 and the through hole 14 are staggered, the through hole 14 is completely closed by the sliding rod 16, and the electromagnet 18 is electrically connected with the controller 2.
In this embodiment, because there are many impurities in rainwater, after using for a period of time, it is necessary to clean the water storage cavity, after the cleaning solution enters the water storage cavity from the water inlet 13, it is cleaned by a cleaning tool manually, after cleaning, the controller 2 controls the electromagnet 18 to be electrified to generate magnetism, so that it attracts the sliding rod 16, the sliding rod 16 overcomes the elastic force of the spring 19, so that it is oriented to the electromagnet 18, when the sliding rod 16 slides to the central axis of the connecting hole 17 and coincides with the central axis of the corresponding through hole 14, the through hole 14 is completely opened at this time, the cleaning solution is discharged from the through hole 14, after the cleaning solution is discharged, the residual cleaning solution contains impurities, but the amount of impurities is small, and normal water flow heat absorption is not affected. After the cleaning liquid is discharged, the electromagnet 18 is powered off when the controller 2 is used, and the sliding rod 16 is restored to the original position under the action of the spring 19.
As an embodiment, as shown in fig. 2, the inner sliding groove 15 penetrates through the upper end surface of the water storage member 4, the upper end of the sliding rod 16 extends to the outside of the inner sliding groove 15, and the extending section of the sliding rod 16 is provided with a limit end, and when the limit end contacts with the upper end surface of the water storage member 4, the through hole 14 is completely opened.
In this embodiment, when the limiting end is in contact with the upper end surface of the water storage part 4, the through hole 14 is completely opened, and through the limiting end, the through hole 14 is completely opened in the process of discharging the cleaning liquid, so that the cleaning liquid can be rapidly discharged.
As an embodiment, as shown in fig. 2, the water storage device comprises a pressure sensor 24, the pressure sensor 24 is fixed at an opening close to the water storage cavity, and the pressure sensor 24 is electrically connected to the controller 2.
In this embodiment, if the pressure sensor 24 senses a sufficient amount of cleaning liquid during the cleaning liquid application process, a cleaning operation may be performed.
As an embodiment, as shown in fig. 1 and fig. 3, the drinking water system comprises a second electromagnetic valve 20, an annular pipeline 21 located below, a third electromagnetic valve 22 and a connecting pipe 23, wherein the annular pipeline 21 is communicated with a municipal tap water system, the annular pipeline 21 is communicated with the heat absorption pipeline 6 through the connecting pipe 23, the second electromagnetic valve 20 is located on the connecting pipe 23 and used for controlling on-off of the connecting pipe 23, the third electromagnetic valve 22 is located on the upright post 7 and used for controlling on-off of the drinking water pipeline 8, and the controller 2 is electrically connected with the second electromagnetic valve 20 and the third electromagnetic valve 22 respectively.
In this embodiment, the water storage chamber does not have water, but when the temperature was too high among the switch board body 1, at this moment, controller 2 control second solenoid valve 20 closed, first solenoid valve 10 and third solenoid valve 22 open, the running water advanced ring shape pipeline 21 and connecting pipe 23 back this moment, get into in the water storage chamber by heat absorption pipeline 6, this process, can carry out the heat absorption for the first time, after water in the water storage chamber is full of, controller 2 control second solenoid valve 20 opens, first solenoid valve 10 opens, third solenoid valve 22 closes, this is, water in the water storage chamber carries out the heat absorption of second time, through this kind of mode, can effectively reduce the temperature in the switch board body 1.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The utility model provides a formula of catchmenting cooling switch board which characterized in that: comprises that
The heat absorption type water distribution cabinet comprises a power distribution cabinet body (1) fixed on the bottom surface and a water storage part (4) fixed on the top of the power distribution cabinet body (1), wherein a plurality of heat absorption pipelines (6) are arranged inside the power distribution cabinet body (1), and a water storage cavity with an upward opening is arranged inside the water storage part (4);
the water guide pipe (5) is positioned at the bottom of the water storage cavity, an opening at one end of the water guide pipe is positioned in the water storage cavity, and an opening at the other end of the water guide pipe is communicated with the upper end of the heat absorption pipeline (6);
the top end of the water drinking pipeline is fixed on an upright post (7) at the bottom of the power distribution cabinet body (1) and a drainage pipeline (9) located underground, the drainage pipeline (9) is communicated with a municipal drainage system, the bottom end of the upright post (7) extends into the drainage pipeline (9), a water drinking pipeline (8) is arranged in the upright post (7), an opening at one end of the water drinking pipeline (8) is located on the bottom end face of the upright post (7), and the other end of the water drinking pipeline (8) is communicated with the lower end of the heat absorption pipeline (6);
the first electromagnetic valve (10) is fixed on the water guide pipe (5) and is used for controlling the on-off of the water guide pipe (5);
the water storage cavity is used for storing water in rainy days, when the temperature in the power distribution cabinet body (1) rises, the first electromagnetic valve (10) is opened, so that the water in the water storage cavity absorbs heat in the power distribution cabinet body (1) through the heat absorption pipeline (6), and is discharged into a municipal drainage system through the drainage pipeline (9) after passing through the drinking water pipeline (8).
2. The water-collecting cooling power distribution cabinet according to claim 1, characterized in that: including temperature sensor (3) and controller (2) that are located switch board body (1), controller (2) respectively with first solenoid valve (10) with temperature sensor (3) electric connection.
3. The water-collecting cooling power distribution cabinet according to claim 1, characterized in that: including filter screen (11), filter screen (11) are located the water storage intracavity, and divide into epicoele and cavity of resorption with the water storage chamber, the one end opening of aqueduct (5) is located the cavity of resorption.
4. The water-collecting cooling power distribution cabinet according to claim 1, characterized in that: the water storage device is characterized by comprising a heat insulation plate (12), wherein the heat insulation plate (12) is arranged at an opening at the upper end of the water storage cavity, and a water inlet (13) is formed in the heat insulation plate (12).
5. The water-collecting cooling power distribution cabinet according to claim 4, characterized in that: the heat insulation plate (12) is concave, and the water inlet (13) is the lowest part of the concave.
6. The water-collecting cooling power distribution cabinet according to claim 4, characterized in that: the water storage device comprises a sliding rod (16), an electromagnet (18) and a spring (19), wherein a plurality of inner sliding grooves (15) are formed in the side wall of a water storage cavity, a plurality of through holes (14) penetrating through the inner sliding grooves (15) are formed in the inner side wall of the water storage cavity, the sliding rod (16) is connected with the inner sliding grooves (15) in a sliding mode, and connecting holes (17) corresponding to the through holes (14) in a one-to-one mode are formed in the side surface of the sliding rod; when the sliding rod (16) slides to the central axis of the connecting hole (17) and is coincident with the central axis of the corresponding through hole (14), the through hole (14) is completely opened; the electromagnet (18) is fixed at the bottom of the inner sliding groove (15), one end of the spring (19) is fixed at the inner sliding groove (15), the other end of the spring (19) is fixed at the bottom of the sliding rod (16), when the spring (19) is in a natural state, the connecting hole (17) and the through hole (14) are staggered, the through hole (14) is completely closed by the sliding rod (16), and the electromagnet (18) is electrically connected with the controller (2).
7. The water-collecting cooling power distribution cabinet according to claim 6, characterized in that: interior spout (15) run through the up end of water storage spare (4), the upper end of slide bar (16) extends to the outside of interior spout (15), and the extension section of slide bar (16) is equipped with spacing end when spacing end contacts with the up end of water storage spare (4), perforation (14) are opened completely.
8. The water-collecting cooling power distribution cabinet according to claim 6, characterized in that: including pressure sensor (24), pressure sensor (24) are fixed in the opening part that is close to the water storage chamber, and pressure sensor (24) and controller (2) electric connection.
9. The water-collecting cooling power distribution cabinet according to claim 7, characterized in that: the water drinking device is characterized by comprising a second electromagnetic valve (20), a circular ring-shaped pipeline (21) located at the bottom, a third electromagnetic valve (22) and a connecting pipe (23), wherein the circular ring-shaped pipeline (21) is communicated with a municipal tap water system, the circular pipeline (21) is communicated with a heat absorption pipeline (6) through the connecting pipe (23), the second electromagnetic valve (20) is located on the connecting pipe (23) and used for controlling the connection and disconnection of the connecting pipe (23), the third electromagnetic valve (22) is located on an upright post (7) and used for controlling the connection and disconnection of a water drinking pipeline (8), and the controller (2) is electrically connected with the second electromagnetic valve (20) and the third electromagnetic valve (22) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010547270.XA CN112003155A (en) | 2020-06-16 | 2020-06-16 | Water-collecting type cooling power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010547270.XA CN112003155A (en) | 2020-06-16 | 2020-06-16 | Water-collecting type cooling power distribution cabinet |
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| CN112003155A true CN112003155A (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010547270.XA Pending CN112003155A (en) | 2020-06-16 | 2020-06-16 | Water-collecting type cooling power distribution cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112688212A (en) * | 2020-12-30 | 2021-04-20 | 安徽天赢电气成套设备制造有限公司 | Low-voltage electric appliance cabinet with circulating heat dissipation function |
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| CN210297019U (en) * | 2019-09-20 | 2020-04-10 | 晟望电气有限公司 | Intelligent switch cabinet |
| CN210693487U (en) * | 2019-09-30 | 2020-06-05 | 浙江雷克斯办公家具有限公司 | Charging cabinet with anti-theft function |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465136A (en) * | 2017-10-16 | 2017-12-12 | 陕西天策建筑工程有限公司 | A kind of AC low voltage power switch box |
| CN107863708A (en) * | 2017-11-13 | 2018-03-30 | 湖南湘讯企业管理有限公司 | A kind of dust-proof radiating electric power cabinet with fire-extinguishing function concurrently |
| CN108336652A (en) * | 2018-01-18 | 2018-07-27 | 合肥龙智机电科技有限公司 | A kind of outdoor multifunctional novel distribution cabinet |
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| CN112688212A (en) * | 2020-12-30 | 2021-04-20 | 安徽天赢电气成套设备制造有限公司 | Low-voltage electric appliance cabinet with circulating heat dissipation function |
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Application publication date: 20201127 |
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