CN112152119B - Closed power distribution cabinet high frequency anti-aging heat sink - Google Patents
Closed power distribution cabinet high frequency anti-aging heat sink Download PDFInfo
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- CN112152119B CN112152119B CN202011004398.8A CN202011004398A CN112152119B CN 112152119 B CN112152119 B CN 112152119B CN 202011004398 A CN202011004398 A CN 202011004398A CN 112152119 B CN112152119 B CN 112152119B
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- 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)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to the technical field of power distribution cabinets, in particular to a high-frequency anti-aging cooling device for a closed power distribution cabinet, which comprises a power distribution cabinet, wherein an L-shaped heat absorption frame is fixedly arranged on the inner side of the power distribution cabinet, a plurality of heat absorption fins are fixedly arranged on one side of the L-shaped heat absorption frame, a heat conduction plate is fixedly arranged on one side of the L-shaped heat absorption frame, the heat conduction plate is fixedly connected to the inner side of the power distribution cabinet, a cooling liquid box is fixedly arranged on one side of the power distribution cabinet, a plurality of uniformly distributed through holes are arranged on one side of the power distribution cabinet, heat conduction columns are fixedly arranged on the inner sides of the through holes, one ends of the heat conduction columns are fixedly connected to one side of the heat conduction plate, a plurality of through holes are arranged on two sides, far away from the cooling liquid box, and the heat conduction columns are fixedly connected to the inner sides of the through holes. According to the invention, the L-shaped heat absorption frame, the heat absorption fins, the heat conduction columns, the heat dissipation plate, the heat dissipation fins, the A heat dissipation fan and the second heat dissipation device are arranged, so that the LED lamp has the functions of dust prevention, water prevention, convenience in cleaning, double heat dissipation and cooling and the like.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a high-frequency anti-aging cooling device for a closed power distribution cabinet.
Background
The power distribution cabinet (box) is a final-stage device of a power distribution system, is a general name of a motor control center and is used in occasions with dispersed loads and less loops; motor control center is used for the load to concentrate, the more occasion in return circuit, the switch board among the prior art mostly uses the fan to make switch board inside air exchange with the external world, realize the heat dissipation cooling, this kind of heat dissipation cooling mode is comparatively single, and there is not dustproof function, inside external dust can get into the switch board, be not convenient for clear up, and can make the inside electrical components of switch board accelerate ageing, cause its life lower, for this, we provide a closed electric power switch board high frequency anti-aging heat sink, a machine tool for solving the above-mentioned problem.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, most of power distribution cabinets in the prior art use fans to exchange air inside the power distribution cabinet with the outside to realize heat dissipation and cooling, the heat dissipation and cooling mode is single, the dustproof function is not provided, external dust can enter the power distribution cabinet, the cleaning is inconvenient, electrical elements inside the power distribution cabinet can be accelerated to age, and the service life of the electrical elements is short.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-frequency anti-aging cooling device for a closed power distribution cabinet is designed, and comprises a power distribution cabinet, wherein an L-shaped heat absorption frame is fixedly arranged on the inner side of the power distribution cabinet, a plurality of heat absorption fins are fixedly arranged on one side of the L-shaped heat absorption frame, a heat conduction plate is fixedly arranged on one side of the L-shaped heat absorption frame, the heat conduction plate is fixedly connected to the inner side of the power distribution cabinet, a cooling liquid box is fixedly arranged on one side of the power distribution cabinet, a plurality of uniformly distributed through holes are arranged on one side of the power distribution cabinet, heat conduction columns are fixedly arranged on the inner sides of the through holes, one ends of the heat conduction columns are fixedly connected to one side of the heat conduction plate, a plurality of through holes are respectively arranged on two sides far away from the cooling liquid box, the heat conduction columns are fixedly connected to the inner sides of the through holes, a cooling plate is fixedly arranged on one side of the cooling liquid box, one ends of the heat conduction columns are fixedly connected to one side of the cooling plate, a plurality of uniformly distributed cooling fins are fixedly arranged on one side of the cooling plate, the utility model discloses a cooling device, including coolant liquid box, cooling cabinet, switch board, cooling liquid box, cooling cabinet, switch board, cooling cabinet, switch board, cooling liquid box, cooling cabinet, cooling system, cooling cabinet, cooling system, cooling device, cooling system.
Preferably, an adhering heat-conducting adhesive layer is fixedly arranged on one side of the L-shaped heat absorption frame, and one side of the adhering heat-conducting adhesive layer is fixedly connected to one side of the heat-conducting plate.
Preferably, a water filling hole is formed in one side of the cooling liquid box, a water filling pipe is fixedly arranged on the inner side of the water filling hole, and a water filling cover is detachably connected to the outer side of one end of the water filling pipe through threads.
Preferably, a drain hole is formed in one side of the cooling liquid box, an L-shaped drain pipe is fixedly arranged on the inner side of the drain hole, and a drain valve is fixedly arranged at the other end of the L-shaped drain pipe.
Preferably, first L type keeps out wind and covers one side fixed L type link that is equipped with, second L type keeps out wind and covers one side fixed connection piece that is equipped with, L type link, connection piece one side all are equipped with the connecting hole, through the detachable connection of bolt and nut between L type link and the connection piece.
Preferably, the heat absorbing fins and the heat radiating fins are made of aluminum alloy.
Preferably, the heat conduction column is made of copper alloy materials.
Preferably, second heat abstractor is including the dispersion box, dispersion box one side is equipped with the dispersion hole, connecting elbow fixed connection is inboard at the dispersion hole, dispersion box one side is equipped with assembles the box, it is equipped with and assembles the hole to assemble box one side, return water return pipe fixed connection assembles downthehole side, dispersion box, the equal fixed connection of box that assembles are on switch board one side, dispersion box and assemble and be equipped with a plurality of cooling tubes between the box, dispersion box, assemble box one side and all be equipped with a plurality of radiating tube holes, the equal fixed connection of cooling tube is inboard at radiating tube hole, the fixed U type frame that is equipped with in dispersion box one side, U type frame one side fixed connection is on assembling box one side, U type frame one side is equipped with the fan hole, the fixed B radiator fan that is equipped with in fan hole inboard, B radiator fan needs to pass through wire external power supply.
The high-frequency anti-aging cooling device for the closed power distribution cabinet has the beneficial effects that: through setting up L type heat absorption frame, the heat absorption fin, the heat-conducting plate, make it have automatic heat absorption function, can install electrical components on L type heat absorption frame surface during the use, and the heat above the switch board can be absorbed by the heat absorption fin, and the heat on the L type heat absorption frame can automatic transmission to the heat-conducting plate, through setting up the heat conduction post, the heating panel, the radiating fin, the backup pad, A radiator fan, make it have automatic heat dissipation function, the heat on the heat-conducting plate can be passed through the heat conduction post and is given off to the heating panel, the radiating fin is given off, and the switch board keeps in the closed state all the time in the radiating process, thereby make it have dustproof, waterproof function, can prevent the dust from entering switch board inside, thereby can slow down its internal electrical components's ageing rate, simultaneously can prevent the dust from causing its damage, thereby greatly improve its life, through setting up first L type wind-proof lid, Second L type keep off the wind lid, L type link, the connection piece, make it be convenient for clear up the dust on the radiating fin, the cleaning function of being convenient for has, through setting up the coolant liquid box, the return water return bend, the suction pump, the return water return bend, second heat abstractor, the heat conduction post is at the heat conduction in-process, the heat on the part heat conduction post can be absorbed to the inside coolant liquid of coolant liquid box, then second heat abstractor can cool down the coolant liquid in the coolant liquid box, make it have dual cooling function, through setting up the heat conduction glue film of laminating, can improve heat conduction efficiency, it is dustproof to have, waterproof, be convenient for clear up, functions such as dual heat dissipation cooling.
Drawings
Fig. 1 is a schematic front axial view of a high-frequency anti-aging cooling device for a closed power distribution cabinet according to the present invention;
fig. 2 is a schematic front cut-away axial-measurement structure diagram of the high-frequency anti-aging cooling device for the closed power distribution cabinet provided by the invention;
FIG. 3 is a schematic view of a portion of the enlarged structure of the area A in FIG. 2;
fig. 4 is a schematic top surface cutaway axial-measurement structure diagram of the high-frequency anti-aging cooling device for the closed power distribution cabinet provided by the invention;
FIG. 5 is a schematic view of a partially enlarged structure of the area B in FIG. 4 according to the present invention;
fig. 6 is a schematic side-cut axial-measurement structure diagram of the high-frequency anti-aging cooling device for the closed power distribution cabinet according to the present invention;
fig. 7 is a schematic diagram of a back-cut axial measurement structure of the high-frequency anti-aging cooling device for the closed power distribution cabinet according to the present invention;
fig. 8 is a schematic diagram of a back side local explosion axial measurement structure of the high-frequency anti-aging cooling device for the closed power distribution cabinet.
In the figure: 1 power distribution cabinet, 2L type heat absorption frame, 3 heat absorption fins, 4 heat conduction plates, 5 coolant boxes, 6 heat conduction columns, 7 heat dissipation plates, 8 heat dissipation fins, 9 supporting plates, 10A heat dissipation fans, 11 first L type wind blocking covers, 12 second L type wind blocking covers, 13 water pumping bent pipes, 14 water pumping pumps, 15 connecting bent pipes, 16 water returning bent pipes, 17 laminating heat conduction glue layers, 18 water adding pipes, 19 water adding covers, 20L type drain pipes, 21 water discharging valves, 22L type connecting frames, 23 connecting sheets, 24 connecting holes, 25 dispersing boxes, 26 converging boxes, 27 heat dissipation pipes, 28U type frames and 29B heat dissipation fans.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-8, a high-frequency anti-aging cooling device for a closed power distribution cabinet comprises a power distribution cabinet 1, an L-shaped heat absorption frame 2 is fixedly arranged on the inner side of the power distribution cabinet 1, a plurality of heat absorption fins 3 are fixedly arranged on one side of the L-shaped heat absorption frame 2, a heat conduction plate 4 is fixedly arranged on one side of the L-shaped heat absorption frame 2, so that the heat conduction plate has an automatic heat absorption function, when in use, an electrical component can be mounted on the surface of the L-shaped heat absorption frame 2, heat above the power distribution cabinet 1 can be absorbed by the heat absorption fins 3, heat on the L-shaped heat absorption frame 2 can be automatically transferred to the heat conduction plate 4, the heat conduction plate 4 is fixedly connected to the inner side of the power distribution cabinet 1, a cooling liquid box 5 is fixedly arranged on one side of the power distribution cabinet 1, a plurality of uniformly distributed through holes are arranged on one side of the power distribution cabinet 1, heat conduction columns 6 are fixedly arranged on the inner sides of the heat conduction plates 6, a plurality of through holes are arranged on two sides of the cooling liquid boxes 5 far away from each other, the heat conduction column 6 is fixedly connected to the inner side of the through hole, the heat dissipation plate 7 is fixedly arranged on one side of the cooling liquid box 5, one end of the heat conduction column 6 is fixedly connected to one side of the heat dissipation plate 7, a plurality of evenly distributed heat dissipation fins 8 are fixedly arranged on one side of the heat dissipation plate 7, the supporting plate 9 is fixedly arranged on one side of the cooling liquid box 5, a plurality of mounting holes are formed in one side of the supporting plate 9, the A heat dissipation fan 10 is fixedly arranged on the inner side of the mounting holes, the first L-shaped wind blocking cover 11 and the second L-shaped wind blocking cover 12 are rotatably connected to one side of the cooling liquid box 5, so that dust on the heat dissipation fins 8 can be conveniently cleaned up, a water pumping hole is formed in one side of the cooling liquid box 5, a water pumping elbow 13 is fixedly arranged on the inner side of the water pumping hole, a water pumping pump 14 is fixedly arranged on one side of the power distribution cabinet 1, the water pumping pump 14 and the A heat dissipation fan 10 are required to be externally connected with a power supply through a wire, so that the heat dissipation plate can automatically dissipate heat, and heat on the heat conduction plate 4 can be transferred to the heat dissipation plate 7 through the heat conduction column 6, Give off on the radiating fin 8, and switch board 1 remains at the encapsulated situation throughout in the heat dissipation process, thereby make it have dustproof, waterproof function, can prevent that the dust from getting into inside switch board 1, thereby can slow down its inside electrical components's ageing speed, can prevent simultaneously that the dust from causing the damage to it, thereby improve its life greatly, 13 one end of return water elbow and the fixed connection of suction pump 14 one side, the fixed connection return bend 15 that is equipped with in suction pump 14 one side, 5 one sides of coolant liquid box are equipped with the return water hole, the fixed return water return bend 16 that is equipped with of return water hole inboard, be equipped with second heat abstractor between return water return bend 16 and the connection return bend 15, make it have dual cooling function.
Specifically, an attaching heat-conducting adhesive layer 17 is fixedly arranged on one side of the L-shaped heat absorption frame 2, and one side of the attaching heat-conducting adhesive layer 17 is fixedly connected to one side of the heat-conducting plate 4.
Specifically, a water feeding hole is formed in one side of the cooling liquid box 5, a water feeding pipe 18 is fixedly arranged on the inner side of the water feeding hole, and a water feeding cover 19 is detachably connected to the outer side of one end of the water feeding pipe 18 through threads.
Specifically, a drain hole is formed in one side of the coolant box 5, an L-shaped drain pipe 20 is fixedly arranged on the inner side of the drain hole, and a drain valve 21 is fixedly arranged at the other end of the L-shaped drain pipe 20.
Specifically, an L-shaped connecting frame 22 is fixedly arranged on one side of the first L-shaped wind shield cover 11, a connecting sheet 23 is fixedly arranged on one side of the second L-shaped wind shield cover 12, connecting holes 24 are formed in one sides of the L-shaped connecting frame 22 and the connecting sheet 23, and the L-shaped connecting frame 22 and the connecting sheet 23 are detachably connected through bolts and nuts.
Specifically, the heat absorbing fins 3 and the heat dissipating fins 8 are made of aluminum alloy.
Specifically, the heat conduction column 6 is made of copper alloy material.
Specifically, second heat abstractor is including dispersion box 25, dispersion box 25 one side is equipped with the dispersion hole, 15 fixed connection of connecting bend are at dispersion hole inboard, dispersion box 25 one side is equipped with assembles box 26, it is equipped with and assembles the hole to assemble box 26 one side, 16 fixed connection of return water return bend are at the downthehole side of assembling, dispersion box 25, it is all fixed connection on one side of switch board 1 to assemble box 26, be equipped with a plurality of cooling tubes 27 between dispersion box 25 and the box 26 of assembling, dispersion box 25, it all is equipped with a plurality of cooling tube holes to assemble box 26 one side, the equal fixed connection of cooling tube 27 is inboard at the cooling tube hole, dispersion box 25 one side is fixed and is equipped with U type frame 28, U type frame 28 one side fixed connection is on assembling box 26 one side, U type frame 28 one side is equipped with the fan hole, the fan hole inboard is fixed and is equipped with B radiator fan 29, B radiator fan 29 needs to pass through wire external power supply.
In the invention, when in use, the L-shaped heat absorption frame 2, the heat absorption fins 3 and the heat conduction plate 4 are arranged, so that the heat absorption frame has an automatic heat absorption function, when in use, electrical components can be arranged on the surface of the L-shaped heat absorption frame 2, heat above the power distribution cabinet 1 can be absorbed by the heat absorption fins 3, the heat on the L-shaped heat absorption frame 2 can be automatically transferred to the heat conduction plate 4, the heat conduction column 6, the heat dissipation plate 7, the heat dissipation fins 8, the support plate 9 and the A heat dissipation fan 10 are arranged, so that the heat dissipation function is realized, the heat on the heat conduction plate 4 can be transferred to the heat dissipation plate 7 and the heat dissipation fins 8 through the heat conduction column 6 to be dissipated, and the power distribution cabinet 1 is always kept in a closed state in the heat dissipation process, so that the heat absorption frame has the dustproof and waterproof functions, dust can be prevented from entering the interior of the power distribution cabinet 1, the aging speed of the electrical components inside the power distribution cabinet can be slowed down, and the dust can be prevented from damaging the dust, thereby improve its life greatly, through setting up first L type windshield lid 11, second L type windshield lid 12, L type link 22, connection piece 23, make it be convenient for clear up the dust on the radiating fin 8, the function of being convenient for clear up has, through setting up coolant liquid box 5, pumping elbow 13, suction pump 14, connection elbow 15, return water elbow 16, the second heat abstractor, heat conduction post 6 is at the heat conduction in-process, the coolant liquid of coolant liquid box 5 inside can absorb the heat on some heat conduction post 6, then the second heat abstractor can cool down the coolant liquid in coolant liquid box 5, make it have dual cooling function, through setting up laminating heat conduction glue film 17, can improve heat conduction efficiency, it is dustproof, waterproof, be convenient for clear up, functions such as dual heat dissipation cooling.
Claims (7)
1. A high-frequency anti-aging cooling device for a closed power distribution cabinet comprises a power distribution cabinet (1) and is characterized in that an L-shaped heat absorption frame (2) is fixedly arranged on the inner side of the power distribution cabinet (1), a plurality of heat absorption fins (3) are fixedly arranged on one side of the L-shaped heat absorption frame (2), a heat conduction plate (4) is fixedly arranged on one side of the L-shaped heat absorption frame (2), the heat conduction plate (4) is fixedly connected on the inner side of the power distribution cabinet (1), a cooling liquid box (5) is fixedly arranged on one side of the power distribution cabinet (1), a plurality of uniformly distributed through holes are formed in one side of the power distribution cabinet (1), heat conduction columns (6) are fixedly arranged on the inner sides of the through holes, one ends of the heat conduction columns (6) are fixedly connected on one side of the heat conduction plate (4), a plurality of through holes are formed in two sides, far away from the cooling liquid box (5), and the heat conduction columns (6) are fixedly connected on the inner sides of the through holes, the cooling device is characterized in that a heating panel (7) is fixedly arranged on one side of the cooling liquid box (5), one end of the heat conducting column (6) is fixedly connected to one side of the heating panel (7), a plurality of uniformly distributed heat radiating fins (8) are fixedly arranged on one side of the heating panel (7), a supporting plate (9) is fixedly arranged on one side of the cooling liquid box (5), a plurality of mounting holes are formed in one side of the supporting plate (9), A heat radiating fans (10) are fixedly arranged on the inner sides of the mounting holes, a first L-shaped wind blocking cover (11) and a second L-shaped wind blocking cover (12) are rotatably connected to one side of the cooling liquid box (5), water pumping holes are formed in one side of the cooling liquid box (5), water pumping bent pipes (13) are fixedly arranged on the inner sides of the water pumping holes, a water pumping pump (14) is fixedly arranged on one side of the power distribution cabinet (1), and the water pumping pump (14) and the A heat radiating fans (10) are required to be externally connected with a power supply through wires, one end of the water pumping bent pipe (13) is fixedly connected with one side of the water pumping pump (14), one side of the water pumping pump (14) is fixedly provided with a connecting bent pipe (15), one side of the cooling liquid box (5) is provided with a water return hole, the inner side of the water return hole is fixedly provided with a water return bent pipe (16), and a second heat dissipation device is arranged between the water return bent pipe (16) and the connecting bent pipe (15);
the second heat dissipation device comprises a dispersion box (25), wherein one side of the dispersion box (25) is provided with dispersion holes, a connection bent pipe (15) is fixedly connected to the inner side of the dispersion holes, one side of the dispersion box (25) is provided with a convergence box (26), one side of the convergence box (26) is provided with convergence holes, a return water bent pipe (16) is fixedly connected to the inner side of the convergence holes, the dispersion box (25) and the convergence box (26) are fixedly connected to one side of a power distribution cabinet (1), a plurality of heat dissipation pipes (27) are arranged between the dispersion box (25) and the convergence box (26), one sides of the dispersion box (25) and the convergence box (26) are respectively provided with a plurality of heat dissipation pipe holes, the heat dissipation pipes (27) are fixedly connected to the inner side of the heat dissipation pipe holes, one side of the dispersion box (25) is fixedly provided with a U-shaped frame (28), one side of the U-shaped frame (28) is fixedly connected to one side of the convergence box (26), the fan hole is arranged on one side of the U-shaped frame (28), the B heat dissipation fan (29) is fixedly arranged on the inner side of the fan hole, and the B heat dissipation fan (29) is required to be externally connected with a power supply through a wire.
2. The high-frequency anti-aging cooling device for the closed power distribution cabinet according to claim 1, wherein an adhering heat-conducting adhesive layer (17) is fixedly arranged on one side of the L-shaped heat absorption frame (2), and one side of the adhering heat-conducting adhesive layer (17) is fixedly connected to one side of the heat-conducting plate (4).
3. The high-frequency anti-aging cooling device for the closed power distribution cabinet according to claim 1, wherein a water feeding hole is formed in one side of the cooling liquid box (5), a water feeding pipe (18) is fixedly arranged on the inner side of the water feeding hole, and a water feeding cover (19) is detachably connected to the outer side of one end of the water feeding pipe (18) through threads.
4. The high-frequency anti-aging cooling device for the closed power distribution cabinet according to claim 1, wherein a drain hole is formed in one side of the coolant box (5), an L-shaped drain pipe (20) is fixedly arranged on the inner side of the drain hole, and a drain valve (21) is fixedly arranged at the other end of the L-shaped drain pipe (20).
5. The high-frequency anti-aging cooling device for the closed power distribution cabinet according to claim 1, wherein an L-shaped connecting frame (22) is fixedly arranged on one side of the first L-shaped wind-blocking cover (11), a connecting sheet (23) is fixedly arranged on one side of the second L-shaped wind-blocking cover (12), connecting holes (24) are formed in one sides of the L-shaped connecting frame (22) and the connecting sheet (23), and the L-shaped connecting frame (22) is detachably connected with the connecting sheet (23) through bolts and nuts.
6. The high-frequency anti-aging cooling device for the closed power distribution cabinet according to claim 1, wherein the heat absorbing fins (3) and the heat dissipating fins (8) are made of aluminum alloy.
7. The high-frequency anti-aging cooling device for the closed power distribution cabinet according to claim 1, wherein the heat-conducting columns (6) are made of copper alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011004398.8A CN112152119B (en) | 2020-09-22 | 2020-09-22 | Closed power distribution cabinet high frequency anti-aging heat sink |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011004398.8A CN112152119B (en) | 2020-09-22 | 2020-09-22 | Closed power distribution cabinet high frequency anti-aging heat sink |
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| CN112152119A CN112152119A (en) | 2020-12-29 |
| CN112152119B true CN112152119B (en) | 2022-09-13 |
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| CN112993820A (en) * | 2021-02-26 | 2021-06-18 | 南京科德睿电力电子科技有限公司 | Device is administered to low pressure electric energy of side air-out |
| CN117096754B (en) * | 2023-10-19 | 2024-01-09 | 国网河南省电力公司延津县供电公司 | Energy storage power supply device with protector |
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| CN112152119A (en) | 2020-12-29 |
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