CN216530114U - Chemical industry is switch board for electricity convenient to heat dissipation - Google Patents
Chemical industry is switch board for electricity convenient to heat dissipation Download PDFInfo
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- CN216530114U CN216530114U CN202122331701.1U CN202122331701U CN216530114U CN 216530114 U CN216530114 U CN 216530114U CN 202122331701 U CN202122331701 U CN 202122331701U CN 216530114 U CN216530114 U CN 216530114U
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- hot plate
- cabinet
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 28
- 239000000126 substance Substances 0.000 title claims abstract description 16
- 230000005611 electricity Effects 0.000 title description 2
- 238000001816 cooling Methods 0.000 claims abstract description 44
- 238000010521 absorption reaction Methods 0.000 claims abstract description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 28
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 14
- 239000001569 carbon dioxide Substances 0.000 claims description 14
- 239000000779 smoke Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a chemical and electrical power distribution cabinet convenient for heat dissipation, which comprises an electrical appliance cabinet, wherein a main hot plate is arranged in the electrical appliance cabinet, vertical pleats distributed in a linear array are arranged on the side surface of the main hot plate, auxiliary hot plates are arranged on the vertical pleats, the auxiliary hot plates are matched with the vertical pleats to form a plurality of independent wire grooves, and mounting frames distributed in a linear array are arranged on the auxiliary hot plates; be provided with the riser of horizontal distribution in the electrical cabinet to through its make inside electric room and the cooling room of dividing along vertical direction, main hot plate and the part that assists the hot plate and all be located the cooling room are the radiating part, and the part that is located the electric room is the heat absorption portion, are provided with the cooling unit that is used for cooling down to the radiating part in the cooling room. The utility model discloses a chemical industry is switch board for electric, through main hot plate with assist the cooperation of hot plate in order to form the wire casing, circuit accessible wire casing is installed on the mounting bracket, main hot plate with assist the heat that the hot plate produced the circuit and absorb with the inside heat of electric appliance cabinet.
Description
Technical Field
The utility model relates to a chemical and electrical power distribution cabinet convenient for heat dissipation.
Background
An electrical cabinet, as a cabinet for combing lines and controlling circuits, is used as an important hub for line planning in communities, factories, municipal lines, and the like, and thus, the sizes of the electrical cabinets are different.
According to the patent number CN107645891A, an electric appliance cabinet convenient for heat dissipation is disclosed, comprising an electric appliance cabinet door, a rain cap, an electric appliance cabinet main body, an electric appliance cabinet base and an electric appliance clapboard, wherein one side of the electric appliance cabinet door is installed on the surface of one side of the electric appliance cabinet main body through a hinge, a guide rail is welded on the inner side wall of the electric appliance cabinet main body, one side of the guide rail is provided with a clamping groove, the electric appliance clapboard is installed on the clamping groove on the guide rail, the electric appliance clapboard is arranged into three parts and has the same installation mode, the bottom inside the electric appliance cabinet main body is provided with an air inlet fan device base, the upper part of the air inlet fan device base is provided with an air inlet fan device, the bottom inside the air inlet fan device is fixed with a motor, the output end of the motor is provided with fan blades, the two sides of the air inlet fan device are communicated with an air inlet pipe, one side of the air inlet pipe is connected with an air inlet cover, the two side walls of the lower part of the electric appliance cabinet main body are provided with air inlets, one side of the air inlet cover is communicated with the air inlet, the top of the air inlet fan device is provided with the air collecting cover, the upper part of the air collecting cover is communicated with a main cooling pipeline fixed on the inner wall inside the electric appliance cabinet main body, the main cooling pipeline is communicated with a secondary cooling pipeline arranged on the upper part of the electric appliance partition plate, seven air outlets are arranged on the surface of the secondary cooling pipeline at equal intervals, and the side walls of two sides of the upper part of the electric appliance cabinet main body are provided with heat radiating ports.
Conventional electric appliance cabinet, its inside is sealed for most, in order to increase its heat-sinking capability, can set up the heat dissipation window on cabinet door or cupboard for most, perhaps sets up the fan in inside, but because some comparatively hot areas sum in the cupboard with some circuit that dispel the heat greatly, lead to the heat gathering in the cabinet, can't discharge.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a chemical and electrical power distribution cabinet convenient for heat dissipation, and the heat collected by a circuit cannot be discharged through natural heat dissipation, so that the heat in a box is accumulated, the circuit is accelerated to age, and the danger of circuit fire and the like can be caused by overhigh heat.
In order to achieve the above purpose, the utility model provides the following technical scheme: a chemical industry and electrical power distribution cabinet convenient to dissipate heat comprises an electrical cabinet, wherein a main hot plate is arranged in the electrical cabinet, vertical pleats distributed in a linear array are arranged on the side surface of the main hot plate, auxiliary hot plates are arranged on the vertical pleats, the auxiliary hot plates are matched with the vertical pleats to form a plurality of independent wire grooves, and mounting frames distributed in a linear array are arranged on the auxiliary hot plates; the electric appliance cabinet is characterized in that vertical plates which are horizontally distributed are arranged in the electric appliance cabinet, the electric room and the cooling room are divided in the vertical direction through the vertical plates, the parts, located in the cooling room, of the main hot plate and the auxiliary hot plate are heat dissipation parts, the parts, located in the electric room, of the main hot plate and the auxiliary hot plate are heat absorption parts, and a cooling unit used for cooling the heat dissipation parts is arranged in the cooling room.
Preferably, the relative both sides of electric appliance cabinet have been seted up the mesh of giving vent to anger, the total incoming line mouth has been seted up to the outer wall of the adjacent mesh one side of giving vent to anger of electric appliance cabinet, the inner wall that electric appliance cabinet is close to mesh one side of giving vent to anger installs radiator fan, one side of electric appliance cabinet articulates there is the door plant.
Preferably, the door plate is fixedly provided with a through block, the through block is internally provided with a circulation groove, the through block is provided with pipe grooves in a linear array manner, the pipe grooves are communicated with the circulation groove, the pipe grooves are provided with nozzles, and the door plate is provided with a heat dissipation grid.
Preferably, the main hot plate is fixedly installed on the inner wall of one side of the electric appliance cabinet, the auxiliary hot plate is assembled on the main hot plate in a threaded mode, the installation frame is fixedly installed on the auxiliary hot plate, and a through hole used for communicating the main hot plate with the installation frame is formed in the auxiliary hot plate.
Preferably, a gas cylinder storage box is arranged on the vertical plate, a carbon dioxide gas cylinder is movably arranged in the gas cylinder storage box, and one end of the carbon dioxide gas cylinder is provided with a hose and communicated with the circulation groove on the through block.
Preferably, the fireproof circuit unit is installed to the inner wall of electric appliance cabinet, the fireproof circuit unit includes main control panel, temperature sensor, smoke alarm and bee calling organ, main control panel fixed mounting is in the inner wall of electric appliance cabinet one side, temperature sensor and bee calling organ install on the main control panel, smoke alarm installs on the top in the electric appliance cabinet.
Preferably, the electric appliance cabinet is provided with a protective net cover at the port of the temperature reduction chamber opposite to the door panel.
In the technical scheme, the chemical and electrical power distribution cabinet convenient for heat dissipation provided by the utility model has the following beneficial effects:
through set up main hot plate and assist the hot plate in the electric appliance cabinet, assist the hot plate to install on main hot plate in order to form for wire-wound wire casing, main hot plate with assist the hot plate and divide into heat absorption portion and radiating part, its heat absorption portion sets up in electric chamber, the heat that the heat absorption portion dispels heat the heat in the electric appliance cabinet and the electric wire absorbs, the radiating part is located the cooling chamber, through set up the cooling unit in the cooling chamber, can dispel the heat main hot plate and the radiating part of assisting the hot plate, heat exchange in the cabinet with higher speed, thereby dispel the heat in the cooling chamber.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic view of an overall structure of an electrical distribution cabinet according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a part of an electrical distribution cabinet according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional structure view of an electrical distribution cabinet according to an embodiment of the present invention;
fig. 4 is a schematic view of a closed structure of the electrical distribution cabinet according to the embodiment of the present invention.
Description of reference numerals:
1. an electric appliance cabinet; 2. a door panel; 3. a mounting frame; 4. a primary hot plate; 5. auxiliary hot plates; 6. a carbon dioxide cylinder; 7. a fireproof circuit unit; 8. a protective mesh enclosure; 9. a wire slot; 11. a vertical plate; 12. air outlet meshes; 13. a cooling chamber; 14. a bus inlet; 15. an electrical room; 21. passing through a block; 22. a nozzle; 23. a heat dissipation grid; 61. a gas cylinder storage box; 62. a hose; 71. a main control panel; 72. a temperature sensor; 73. a smoke alarm; 74. a buzzer.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1-4, a chemical and electrical power distribution cabinet convenient for heat dissipation comprises an electrical cabinet 1, a main heat plate 4 is arranged in the electrical cabinet 1, vertical pleats distributed in a linear array are arranged on the side surface of the main heat plate 4, auxiliary heat plates 5 are arranged on the vertical pleats, the auxiliary heat plates 5 are matched with the vertical pleats to form a plurality of independent wire slots 9, and mounting frames 3 distributed in a linear array are arranged on the auxiliary heat plates 5;
the electrical cabinet 1 is internally provided with vertical plates 11 which are horizontally distributed, the interior of the electrical cabinet 1 is divided into an electrical room 15 and a cooling room 13 along the vertical direction through the vertical plates, and the parts of the main heat plate 4 and the auxiliary heat plate 5 which are positioned in the cooling room 13 are heat dissipation parts; the portion located in the electric room 15 is a heat absorbing portion, and a cooling means for cooling the heat dissipating portion is provided in the cooling room 13. The cooling unit can be a water cooling mechanism, a condensing plate, a cooling fan and the like, and the scheme is that the cooling fan is additionally arranged to blow and dissipate heat of the heat dissipation parts of the main heat plate 4 and the auxiliary heat plate 5. Through set up main hot plate 4 and assist hot plate 5 in electric appliance cabinet 1, assist hot plate 5 to install on main hot plate 4 in order to form wire casing 9 for wire winding, main hot plate 4 with assist hot plate 5 and divide into heat absorption portion and radiating part, its heat absorption portion sets up in electric room 15, the heat absorption portion absorbs the heat that heat and electric wire in electric appliance cabinet 1 dispel, the radiating part is located cooling chamber 13, through set up cooling unit in cooling chamber 13, can dispel the heat to main hot plate 4 and the radiating part of assisting hot plate 5, heat exchange in the cabinet with higher speed, thereby dispel the heat in cooling chamber 13.
As shown in fig. 1, 2 and 4, as a further technical solution provided by the present invention, air outlet holes 12 are formed on two opposite sides of an electrical cabinet 1, a bus inlet 14 is formed on an outer wall of one side of the electrical cabinet 1 adjacent to the air outlet holes 12, a heat dissipation fan is installed on an inner wall of the electrical cabinet 1 close to one side of the air outlet holes 12, the heat dissipation fan can blow hot air in the electrical cabinet 1 out of the air outlet holes 12, and simultaneously drive air flow in the electrical cabinet 1, so as to accelerate heat alternation of a main heat plate 4 and an auxiliary heat plate 5, and meanwhile, a door panel 2 for sealing the electrical cabinet 1 is hinged on one side of the electrical cabinet 1.
Furthermore, in order to prevent that the incasement from being fired and leading to whole electric appliance cabinet 1 to be burnt out fast, and too late to cut off and protection circuit, be provided with logical piece 21 on door plant 2, logical piece 21 is seted up the circulation groove, the pipe box has been seted up to linear array on leading to piece 21, and the pipe box communicates in the circulation groove, install nozzle 22 on the pipe box, install gas cylinder receiver 61 on the riser 11 of horizontal distribution in electric appliance cabinet 1, be provided with carbon dioxide gas cylinder 6 in the gas cylinder receiver 61, hose 62 is installed to carbon dioxide gas cylinder 6's one end, hose 62 communicates in the circulation groove on leading to piece 21, and install the solenoid valve on the hose 62, carbon dioxide in the carbon dioxide gas cylinder 6 flows through the circulation groove, and spout from nozzle 22 on the pipe box, in order to put out a fire to the circuit.
Further, in order to control the carbon dioxide gas bottle 6 to spray carbon dioxide, and detect the temperature in the electrical cabinet 1 and whether the fire is on, a fireproof circuit unit 7 is installed on the inner wall of the electrical cabinet 1, the fireproof circuit unit 7 is composed of a main control panel 71, a temperature sensor 72, a smoke alarm 73 and a buzzer 74, the main control panel 71 is fixedly installed on the inner wall of one side of the electrical cabinet 1, the temperature sensor 72 and the buzzer 74 are installed on the main control panel 71, the buzzer 74 is controlled by the main control panel 71, the smoke alarm 73 is installed on the top in the electrical cabinet 1, the temperature sensor 72 and the smoke alarm 73 are communicated with the circuit of the main control panel 71 and detect the environment in the electrical cabinet 1, when the temperature sensor 72 and the smoke alarm 73 detect the fire, the information is fed back to the main control panel 71, the main control panel 71 triggers the buzzer 74, remind the staff, make the staff quick response to in time handle the condition of a fire, main control panel 71 control hose 62 is opened simultaneously, and the carbon dioxide in the carbon dioxide gas cylinder 6 is spouted from the nozzle 22 on leading to the piece 21 and is put out a fire to the circuit on fire this moment.
Further, main hot plate 4 fixed mounting is on the inner wall of 1 one side of electric appliance cabinet, assist 5 screw assemblies of hot plate on main hot plate 4, 3 fixed mounting of mounting bracket are on assisting hot plate 5, assist and offer the through-hole that is used for communicateing main hot plate 4 and mounting bracket 3 on the hot plate 5, circuit control device such as mountable relay on the mounting bracket 3, the bus penetrates from total incoming line mouth 14, and penetrate through the port that main hot plate 4 and assist 5 lower extremes of hot plate reserved, and switch on controlling means such as relay on mounting bracket 3 through the through-hole on assisting hot plate 5, thereby divide the circuit, and absorb the heat dissipation by main hot plate 4 and assist hot plate 5.
Further, the primary and secondary thermal plates 4 and 5 are generally comprised of a shell, wick and end caps. The interior of the main hot plate 4 and the interior of the auxiliary hot plate 5 are pumped into a negative pressure state and filled with proper liquid, and the liquid has a low boiling point and is easy to volatilize. The plate wall is provided with a liquid absorbing core which is made of a porous material, one end of the main heat plate 4 and one end of the auxiliary heat plate 5 are heat absorbing ends, the other end of the main heat plate 4 and one end of the auxiliary heat plate 5 are heat radiating ends, when the main heat plate 4 and one end of the auxiliary heat plate 5 are heated, liquid in the plates is vaporized rapidly, vapor flows to the other end under the power of heat diffusion and is condensed at the heat radiating ends to release heat, the liquid flows back to the evaporating ends along the porous material by virtue of capillary action, and the circulation is not stopped until the temperatures of the two ends of the main heat plate 4 and the auxiliary heat plate 5 are equal (at the moment, the heat diffusion of the vapor stops). This kind of circulation is gone on fast, and the heat can be conducted continuously and open, simultaneously in order to accelerate the thermal diffusion of radiating part, sets up a plurality of radiator fan in cooling room 13 to in order to prevent that external debris from flowing into cooling room 13, install protection screen 8 at the port that electrical cabinet 1 is located cooling room 13 relative door plant 2, be located and seted up heat dissipation net 23 on door plant 2, heat dissipation net 23 can make the interior convection current that forms of cooling room 13.
The working principle is as follows: the main heat plate 4 is arranged on the auxiliary heat plate 5, the main heat plate 4 is arranged on the electric appliance cabinet 1, the heat dissipation part of the main heat plate 4 is arranged in the cooling chamber 13, the heat absorption part is arranged in the electric room 15, the mounting frame 3 is arranged on the auxiliary heat plate 5, after a bus line passes through the bus inlet 14, the line is separated and respectively passes through the wire grooves 9 formed by matching the main heat plate 4 and the auxiliary heat plate 5, the line is connected with a control device such as a relay on the mounting frame 3 from a through hole on the auxiliary heat plate 5, the main heat plate 4 and the auxiliary heat plate 5 absorb heat of the line, the cooling unit in the cooling chamber 13 dissipates heat of the heat dissipation parts at the lower ends of the main heat plate 4 and the auxiliary heat plate 5, a fan in the electric appliance cabinet 1 dissipates heat in the electric appliance cabinet 1, the fireproof circuit unit 7 can control the electromagnetic valve on the hose 62, and performs environment detection through the temperature sensor 72 and the smoke alarm 73 on the fireproof circuit unit 7, upon receiving the feedback of the firing signal, the main control board 71 opens the solenoid valve, so that the gas in the carbon dioxide gas cylinder 6 is sprayed from the nozzle 22 of the through block 21 to extinguish the fire.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.
Claims (7)
1. A chemical industry and electrical power distribution cabinet convenient to radiate heat comprises an electrical cabinet (1) and is characterized in that a main hot plate (4) is arranged in the electrical cabinet (1), vertical pleats distributed in a linear array are arranged on the side face of the main hot plate (4), auxiliary hot plates (5) are arranged on the vertical pleats, the auxiliary hot plates (5) are matched with the vertical pleats to form a plurality of independent wire grooves (9), and mounting frames (3) distributed in the linear array are arranged on the auxiliary hot plates (5);
the electric appliance cabinet (1) is internally provided with vertical plates (11) which are horizontally distributed, the electric room (15) and the cooling room (13) are vertically divided in the electric appliance cabinet (1) through the vertical plates, and the parts of the main hot plate (4) and the auxiliary hot plate (5) which are positioned in the cooling room (13) are heat dissipation parts; the part located in the electric room (15) is a heat absorption part, and a cooling unit used for cooling the heat dissipation part is arranged in the cooling room (13).
2. The chemical industry and electrical power distribution cabinet convenient to dissipate heat according to claim 1, wherein air outlet holes (12) are formed in two opposite sides of the electrical cabinet (1), a bus inlet (14) is formed in the outer wall of one side, adjacent to the air outlet holes (12), of the electrical cabinet (1), a heat dissipating fan is installed on the inner wall of one side, close to the air outlet holes (12), of the electrical cabinet (1), and a door panel (2) is hinged to one side of the electrical cabinet (1).
3. The chemical and electrical power distribution cabinet convenient for heat dissipation according to claim 2, wherein the door panel (2) is fixedly provided with a through block (21), a circulation groove is formed in the through block (21), the through block (21) is provided with pipe grooves in a linear array manner, the pipe grooves are communicated with the circulation groove, the pipe grooves are provided with nozzles (22), and the door panel (2) is provided with a heat dissipation grid (23).
4. The chemical and electrical power distribution cabinet convenient to dissipate heat according to claim 1, wherein the main hot plate (4) is fixedly installed on the inner wall of one side of the electrical cabinet (1), the auxiliary hot plate (5) is assembled on the main hot plate (4) in a threaded manner, the mounting frame (3) is fixedly installed on the auxiliary hot plate (5), and a through hole for communicating the main hot plate (4) with the mounting frame (3) is formed in the auxiliary hot plate (5).
5. The power distribution cabinet convenient to dissipate heat for chemical and electrical appliances, according to claim 1, characterized in that a gas cylinder storage box (61) is arranged on the vertical plate (11), a door plate (2) is hinged to one side of the electrical cabinet (1), a through block (21) is fixedly mounted on the door plate (2), a carbon dioxide gas cylinder (6) is movably arranged in the gas cylinder storage box (61), and a hose (62) is mounted at one end of the carbon dioxide gas cylinder (6) and is communicated with a circulation groove in the through block (21).
6. The chemical and electrical power distribution cabinet convenient for heat dissipation according to claim 2, wherein a fireproof circuit unit (7) is installed on an inner wall of the electrical cabinet (1), the fireproof circuit unit (7) comprises a main control board (71), a temperature sensor (72), a smoke alarm (73) and a buzzer (74), the main control board (71) is fixedly installed on the inner wall of one side of the electrical cabinet (1), the temperature sensor (72) and the buzzer (74) are installed on the main control board (71), and the smoke alarm (73) is installed on the top inside the electrical cabinet (1).
7. The chemical industry and electric power distribution cabinet convenient to dissipate heat according to claim 1, wherein a protective mesh enclosure (8) is installed at the port of the temperature reduction chamber (13) of the electric appliance cabinet (1) opposite to the door panel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122331701.1U CN216530114U (en) | 2021-09-26 | 2021-09-26 | Chemical industry is switch board for electricity convenient to heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122331701.1U CN216530114U (en) | 2021-09-26 | 2021-09-26 | Chemical industry is switch board for electricity convenient to heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216530114U true CN216530114U (en) | 2022-05-13 |
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ID=81520869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122331701.1U Expired - Fee Related CN216530114U (en) | 2021-09-26 | 2021-09-26 | Chemical industry is switch board for electricity convenient to heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216530114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116207644A (en) * | 2023-02-21 | 2023-06-02 | 无锡双欢电气有限公司 | Power distribution cabinet |
-
2021
- 2021-09-26 CN CN202122331701.1U patent/CN216530114U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116207644A (en) * | 2023-02-21 | 2023-06-02 | 无锡双欢电气有限公司 | Power distribution cabinet |
| CN116207644B (en) * | 2023-02-21 | 2023-09-26 | 无锡双欢电气有限公司 | Electric power distribution cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220513 |