CN112736734B - Underground installation type protective equipment for indoor transformer station - Google Patents
Underground installation type protective equipment for indoor transformer station Download PDFInfo
- Publication number
- CN112736734B CN112736734B CN202011604920.6A CN202011604920A CN112736734B CN 112736734 B CN112736734 B CN 112736734B CN 202011604920 A CN202011604920 A CN 202011604920A CN 112736734 B CN112736734 B CN 112736734B
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- Prior art keywords
- mounting seat
- cooling
- water tank
- ventilation opening
- cooler
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- 238000009434 installation Methods 0.000 title claims abstract description 41
- 230000001681 protective effect Effects 0.000 title claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 54
- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000009423 ventilation Methods 0.000 claims abstract description 32
- 239000000110 cooling liquid Substances 0.000 claims abstract description 17
- 239000003673 groundwater Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 238000007664 blowing Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
- H02B7/08—Underground substations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
Abstract
The invention discloses underground installation type protective equipment for an indoor transformer station, which comprises an installation seat and a landing bolt, wherein the installation seat and the landing bolt are connected, and a water cooling device and an air cooling device are respectively arranged between the installation seat and the landing bolt. The invention is fixedly provided with a mounting seat for placing an electric appliance of a transformer substation, a cooler is arranged in the mounting seat corresponding to the underground water tank, and a return pipe and a discharge pipe are connected between the underground water tank and the cooler; the driving impellers driven by the cooling liquid to rotate are arranged in the return pipe and the discharge pipe, and the threaded rod, the transmission shaft and the special-shaped shaft are arranged outside the mounting seat, so that the wind wheel rotates at high speed to infuse low-temperature cold air flow into the mounting seat; the first-stage ventilation opening and the second-stage ventilation opening are formed in the lower end of the mounting seat, and the special-shaped shaft is driven to rotate, so that the opening and closing cover plate movably mounted through the traction rod and the swing rod can be repeatedly opened and closed, and the external low-temperature cold air flow is accelerated to enter the mounting seat, so that the air blowing and cooling are realized.
Description
Technical Field
The invention relates to the technical field of substation installation and application protection, in particular to underground installation type protection equipment for an indoor transformer substation.
Background
Because the demands of production and life make the importance of power resources more and more obvious, also make the construction scale of electric power system constantly enlarge simultaneously, very easily have various problems in the long distance power transmission process, in order to conveniently manage the electric power of long distance transmission, generally through the construction midway transformer substation under the prior art condition. The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in the electric power system. The types of the substations are different, the functions of the substations are also biased, the substations in the power plant are boosting substations, the electric energy generated by the generator is fed into the high-voltage power grid after being boosted, the indoor substations and some underground substations are gradually generated from the original all open outdoor substations on the construction site of the substations, and the occupied area of the substations is greatly reduced compared with that of the original open outdoor substations.
The distribution construction of the transformer substation is in an indoor state in the prior art, the safety protection of the transformer substation is ensured by the high sealing degree, but the heat dissipation effect of the transformer substation is extremely limited due to the sealing construction and installation mode, high-efficiency running transformer substation can continuously generate high-temperature heat in a long-term working process, the heat is difficult to obtain and effectively dissipates, the heat can only be accumulated in the transformer substation for a long time, the whole operation efficiency and quality of the transformer substation are affected, a large number of precise electric elements in the transformer substation are further threatened by high temperature, and the electric elements are extremely easy to burn and damage under the condition of circuit short circuit, so that the whole safety of a long-distance circuit system is affected.
Disclosure of Invention
The invention aims to solve the problem that outdoor transformer substation is difficult to carry out high-temperature protection in the prior art, and provides underground installation type protection equipment for an indoor transformer substation.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the underground installation type protective equipment for the indoor transformer station comprises an installation seat and a landing bolt, wherein the installation seat and the landing bolt are connected, and a water cooling device and an air cooling device are respectively arranged between the installation seat and the landing bolt;
the water cooling device comprises a cooling cavity arranged in the mounting seat, a cooler with a hollow structure is fixedly sleeved in the cooling cavity, a ground water tank with a hollow structure is fixedly arranged between the landing studs, a return pipe and a discharge pipe are respectively connected between the cooler and the ground water tank, and a heat conducting plate and a cooling frame are respectively fixedly sleeved in the cooler and the ground water tank;
the air cooling device comprises driving impellers rotatably arranged in a return pipe and a discharge pipe, a threaded rod, a transmission shaft and a special-shaped shaft are rotatably arranged in two sides of a mounting seat, a transmission crawler belt is connected between the driving impellers and the threaded rod, a transmission ratchet wheel in meshed connection with the threaded rod is fixedly connected to the lower end of the transmission shaft, a wind wheel is fixedly sleeved on the transmission shaft, a wind inlet and a wind outlet corresponding to the wind wheel are formed in the side wall of the mounting seat, a driving gear and a driven gear in meshed connection are fixedly sleeved on the transmission shaft and the special-shaped shaft respectively, a traction rod is rotatably connected on the special-shaped shaft, a swing rod is connected to the lower end pin shaft of the traction rod, a primary ventilation opening and a secondary ventilation opening are respectively formed in the lower end of the mounting seat, and a stretching cover plate in sliding connection with the swing rod is arranged on a pin shaft in the secondary ventilation opening.
Preferably, the upper end of the mounting seat is opened, and the landing stud is vertically welded to the bottom end of the mounting seat.
Preferably, the one-way valve is fixedly arranged on one end of the return pipe connected with the underground water tank, the heat conducting plate extends into the mounting seat, and the cooling frame extends out of the lower end of the underground water tank.
Preferably, the driving impeller, the threaded rod and the special-shaped shaft are horizontally arranged, and the transmission shaft is vertically arranged.
Preferably, the air inlet is arranged in the side wall of the mounting seat close to the wind wheel, and the air outlet is positioned at the upper end of the mounting seat.
Preferably, the primary vent is connected to the lower end of the cooling chamber and the secondary vent is connected to the upper end of the cooling chamber.
Preferably, dustproof screens are arranged in the air inlet and the first-stage ventilation opening.
Compared with the prior art, the invention has the following advantages:
1. the invention uses the floor stud to fixedly support the installation seat for installing the electric appliance of the transformer substation in the ground, and the installation seat is provided with a cooler corresponding to the underground water tank, and a return pipe and a discharge pipe are connected between the underground water tank and the cooler; the heat-conducting plate and the cooling frame are respectively arranged in the cooler and the underground water tank, so that low-temperature cooling liquid can directionally circulate between the underground water tank and the cooler, and the high-temperature transformer in the mounting seat is cooled by water.
2. According to the invention, the driving impellers driven by the cooling liquid to rotate are arranged in the return pipe and the discharge pipe, and the threaded rod, the transmission shaft and the special-shaped shaft are sequentially arranged outside the mounting seat, so that the wind wheel on the transmission shaft rotates at a high speed, and low-temperature cold air flow is provided for the high-temperature transformer in the mounting seat.
3. According to the invention, the primary ventilation opening and the secondary ventilation opening which are communicated are formed in the lower end of the mounting seat, and the driving gear and the driven gear which are in meshed connection are utilized to drive the special-shaped shaft to rotate, so that the opening and closing cover plate which is movably mounted through the traction rod and the swing rod can be repeatedly opened and closed, and the external low-temperature cold air flow is accelerated to enter the mounting seat, so that the blowing cooling is realized.
In summary, the installation seat for installing the electric appliance of the transformer substation is fixedly supported by the landing stud, the cooler is arranged in the installation seat corresponding to the underground water tank, the return pipe and the discharge pipe are connected between the underground water tank and the cooler, and the heat-conducting plate and the cooling frame are respectively arranged in the cooler and the underground water tank, so that low-temperature cooling liquid can directionally circulate between the underground water tank and the cooler to realize water cooling and cooling; the driving impellers driven by the cooling liquid to rotate are arranged in the return pipe and the discharge pipe, and the threaded rod, the transmission shaft and the special-shaped shaft are sequentially arranged outside the mounting seat, so that the wind wheel rotates at high speed to infuse low-temperature cold air flow into the mounting seat; through seting up primary vent and secondary vent in the mount pad lower extreme, rotate through the drive profiled spindle to make and carry out movable mounting's opening and closing apron through traction lever and pendulum rod and carry out the repeated movement of opening and closing, thereby accelerate external low temperature cold air flow to get into in the mount pad, in order to realize the windage cooling.
Drawings
Fig. 1 is a schematic structural diagram of an underground installation type protective device for an indoor transformer station;
fig. 2 is an enlarged schematic diagram of a part a structure of underground installation type protective equipment of an indoor transformer station;
fig. 3 is an enlarged schematic diagram of a B part structure of an underground installation type protection device for an indoor transformer station according to the present invention;
fig. 4 is a schematic diagram of a connection structure of a transmission shaft, a transmission ratchet, a wind wheel and a driving gear of an underground installation type protective device for an indoor transformer station.
In the figure: the device comprises a mounting seat 1, a floor stud 2, a cooling cavity 3, a cooler 4, a 5-underground water tank, a 6-return pipe, a 7-discharge pipe, an 8-heat-conducting plate, a 9-cooling frame, a 10-drive impeller, an 11-threaded rod, a 12-drive shaft, a 13-drive crawler, a 14-drive ratchet wheel, a 15-wind wheel, a 16-wind inlet, a 17-wind outlet, an 18-shaped shaft, a 19-drive gear, a 20-driven gear, a 21-traction rod, a 22-swing rod, a 24-stage ventilation opening, a 25-opening and closing cover plate and a 26-unidirectional valve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-4, an underground installation type protection device for an indoor transformer station comprises an installation seat 1 and a landing stud 2 which are connected, wherein the installation seat 1 with an opening at the upper end is used for installing a transformer device, the vertically arranged landing stud 2 is fixedly inserted into a ground groove structure, so that the opening at the upper end of the installation seat 1 is flush with a ground plane, and a water cooling device and an air cooling device are respectively arranged between the installation seat 1 and the landing stud 2;
the water cooling device comprises a cooling cavity 3 arranged in a mounting seat 1, a cooler 4 with a hollow structure is fixedly sleeved in the cooling cavity 3, a ground water tank 5 with a hollow structure is fixedly arranged between ground bolts 2, and the water tank 5 and the cooler 4 are sequentially arranged from bottom to top as shown in the attached drawing 1 of the specification, so that the water in the ground water tank 5 is cooled by using a low-temperature environment, the low-temperature property of the water is ensured, a return pipe 6 and a discharge pipe 7 are respectively connected between the cooler 4 and the ground water tank 5, a heat conducting plate 8 and a cooling frame 9 are respectively fixedly sleeved in the cooler 4 and the ground water tank 5, the water in the cooler 4 can be heated by utilizing the heat conducting plate 8, the heated water is expanded into the ground water tank 5, and then the water in the ground water tank 5 is conducted at a low temperature by the cooling frame 9 so as to reduce the temperature of the water in the ground water tank 5;
the air cooling device comprises a driving impeller 10 rotatably arranged in a return pipe 6 and a discharge pipe 7, a threaded rod 11, a transmission shaft 12 and a special-shaped shaft 18 are rotatably arranged on two sides of a mounting seat 1, a transmission crawler 13 is connected between the driving impeller 10 and the threaded rod 11, the lower end of the transmission shaft 12 is fixedly connected with a transmission ratchet 14 meshed with the threaded rod 11, the threaded rod 11 can rotate under the traction transmission action of the transmission crawler 13, the threaded rod 11 and the transmission ratchet 14 which are meshed and connected, a driving gear 19 and a driven gear 20 can be reused at the same time, the transmission shaft 12 and the special-shaped shaft 18 can synchronously rotate, the wind wheel 15 is fixedly sleeved on the transmission shaft 12, an air inlet 16 and an air outlet 17 corresponding to the wind wheel 15 are formed in the side wall of the mounting seat 1, the driving gear 19 and the driven gear 20 which are meshed and connected are fixedly sleeved on the transmission shaft 12 and the special-shaped shaft 18 respectively, a traction rod 21 is rotatably connected with a swing rod 22, a primary ventilation opening 23 and a secondary ventilation opening 24 are respectively formed in the lower end of the mounting seat 1, the secondary ventilation opening 23 is installed in the secondary ventilation opening 24, the secondary ventilation opening 23 is connected with the upper ventilation opening 25, the lower ventilation opening 25 is slidingly connected with the lower ventilation opening 25 is further arranged in the mounting seat 1, and the temperature can be cooled down in the air cooling seat 1, and the temperature can be further cooled by opening and the air pressure in the lower ventilation seat 3 is further cooled, and the air cooling seat 1 is cooled, and the temperature can be cooled by the ventilation opening and the ventilation opening 3.
The upper end of the installation seat 1 is opened, and the landing stud 2 is vertically welded at the bottom end of the installation seat 1, so that the power transformation device is installed in an underground low-temperature environment, and the high-temperature pressure of the power transformation device is reduced.
One end of the return pipe 6 connected with the underground water tank 5 is fixedly provided with a one-way valve 26 to ensure that the heated water body expands directionally and flows back to the underground water tank 5 through the return pipe 6, and as can be seen by referring to fig. 1 of the specification, the heat conducting plate 8 extends into the mounting seat 1, and the cooling frame 9 extends out of the lower end of the underground water tank 5.
Referring to fig. 1 of the specification, the driving impeller 10, the threaded rod 11 and the special-shaped shaft 18 are horizontally arranged, and the transmission shaft 12 is vertically arranged, so that the air cooling device can continuously and orderly operate.
The air inlet 16 is arranged in the side wall of the installation seat 1 close to the wind wheel 15, and the air outlet 17 is positioned at the upper end of the installation seat 1, so that cold air can be accelerated to enter the installation seat 1 under the action of the air cooling mechanism, and high-temperature air in the installation seat 1 is pressurized.
The primary vent 23 is connected to the lower end of the cooling chamber 3, and the secondary vent 24 is connected to the upper end of the cooling chamber 3.
Dustproof screens are arranged in the air inlet 16 and the primary ventilation opening 23 to ensure the cleanliness of the low-temperature cold air entering the installation seat 1.
The invention can explain its functional principle by the following modes of operation:
the installation seat 1 sleeved with the transformer is fixedly installed on the ground by utilizing the landing stud 2;
the transformer continuously generates heat in the working process, and transmits the heat to the cooling liquid in the cooler 4 through the heat conducting plate 8, so that the cooling liquid is heated and expanded to enter the underground water tank 5 through the return pipe 6;
the cooling rack 9 transfers the ground low temperature to the cooling liquid in the underground water tank 5, so that the cooling liquid is cooled, and the cooled cooling liquid flows into the cooler 4 through the discharge pipe 7 to contact and cool the transformer in the mounting seat 1;
the cooling liquid drives the driving impeller 10 in the directional flow process, so that the driving impeller 10 continuously rotates, and the driving impeller 10 drives the threaded rod 11 to synchronously rotate through the transmission crawler 13;
the threaded rod 11 drives the transmission shaft 12 to rotate through the transmission ratchet wheel 14 which is meshed with the threaded rod, and the transmission shaft 12 drives the wind wheel 15 to rotate, so that external low-temperature cold air flow enters the installation seat 1 through the air inlet 16 to cool a transformer in the installation seat 1;
the transmission shaft 12 drives the special-shaped shaft 18 to rotate through the driving gear 19 and the driven gear 20 which are in meshed connection, and the special-shaped shaft 18 drives the traction rod 21 to move up and down and swing with a certain amplitude;
the traction rod 21 repeatedly pulls the opening and closing cover plate 25 through the swing rod 22, so that the opening and closing cover plate 25 adsorbs low-temperature cold air flow in the cooling cavity 3 in the opening process, thereby cooling the high-temperature transformer in the mounting seat 1, and in the process, lower-temperature cold air flow in the underground enters the cooling cavity 3 through the primary ventilation opening 23 so as to enter the mounting seat 1 through the secondary ventilation opening 24;
the low-temperature cold air flow entering the mounting seat 1 cools the transformer and extrudes the high-temperature hot air flow in the mounting seat 1, so that the high-temperature hot air flow is discharged outwards through the air outlet 17.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (1)
1. The underground installation type protective equipment for the indoor transformer station comprises an installation seat (1) and a landing bolt (2) which are connected, and is characterized in that a water cooling device and an air cooling device are respectively arranged between the installation seat (1) and the landing bolt (2);
the water cooling device comprises a cooling cavity (3) arranged in a mounting seat (1), a cooler (4) with a hollow structure is fixedly sleeved in the cooling cavity (3), a ground water tank (5) with a hollow structure is fixedly arranged between the ground bolt posts (2), a return pipe (6) and a discharge pipe (7) are respectively connected between the cooler (4) and the ground water tank (5), and a heat conducting plate (8) and a cooling frame (9) are respectively fixedly sleeved in the cooler (4) and the ground water tank (5);
the air cooling device comprises a driving impeller (10) rotatably arranged in a return pipe (6) and a discharge pipe (7), a threaded rod (11), a transmission shaft (12) and a special-shaped shaft (18) are rotatably arranged on two sides of a mounting seat (1), a transmission crawler belt (13) is connected between the driving impeller (10) and the threaded rod (11), a transmission ratchet wheel (14) meshed with the threaded rod (11) is fixedly connected to the lower end of the transmission shaft (12), a wind wheel (15) is fixedly sleeved on the transmission shaft (12), an air inlet (16) and an air outlet (17) corresponding to the wind wheel (15) are formed in the side wall of the mounting seat (1), a driving gear (19) and a driven gear (20) meshed with each other are fixedly sleeved on the transmission shaft (12) and the special-shaped shaft (18), a traction rod (21) is rotatably connected to the special-shaped shaft (18), a first-stage ventilation opening (23) and a second-stage ventilation opening (24) are respectively formed in the lower end of the mounting seat (1), and a ventilation opening cover plate (25) is slidingly connected with the second-stage ventilation opening (24) respectively.
The upper end of the mounting seat (1) is provided with an opening, and the landing stud (2) is vertically welded at the bottom end of the mounting seat (1);
one end of the return pipe (6) connected with the underground water tank (5) is fixedly provided with a one-way valve (26), the heat conducting plate (8) extends into the mounting seat (1), and the cooling frame (9) extends out of the lower end of the underground water tank (5);
the driving impeller (10), the threaded rod (11) and the special-shaped shaft (18) are horizontally arranged, and the transmission shaft (12) is vertically arranged;
the air inlet (16) is formed in the side wall of the mounting seat (1) close to the wind wheel (15), and the air outlet (17) is positioned at the upper end of the mounting seat (1);
the primary ventilation opening (23) is connected with the lower end of the cooling cavity (3), and the secondary ventilation opening (24) is connected with the upper end of the cooling cavity (3);
dustproof screens are arranged in the air inlet (16) and the primary ventilation opening (23);
the installation seat (1) sleeved with the transformer is fixedly installed on the ground by utilizing the landing stud (2);
the transformer continuously generates heat in the working process, and the heat is transferred to the cooling liquid in the cooler (4) through the heat conducting plate (8), so that the cooling liquid is heated and expanded to enter the underground water tank (5) through the return pipe (6);
the cooling rack (9) transmits the ground low temperature to the cooling liquid in the underground water tank (5) to cool the cooling liquid, and the cooling liquid flows into the cooler (4) through the discharge pipe (7) after being cooled so as to contact and cool the transformer in the mounting seat (1);
the cooling liquid drives the driving impeller (10) in the directional flow process, so that the driving impeller (10) continuously rotates, and the driving impeller (10) drives the threaded rod (11) to synchronously rotate through the transmission crawler belt (13);
the threaded rod (11) drives the transmission shaft (12) to rotate through the transmission ratchet wheel (14) which is meshed with the threaded rod, and the transmission shaft (12) drives the wind wheel (15) to rotate, so that external low-temperature cold air flow enters the mounting seat (1) through the air inlet (16) to cool a transformer in the mounting seat (1);
the transmission shaft (12) drives the special-shaped shaft (18) to rotate through the driving gear (19) and the driven gear (20) which are connected in a meshed manner, and the special-shaped shaft (18) drives the traction rod (21) to move up and down and swing with a certain amplitude;
the traction rod (21) repeatedly pulls the opening and closing cover plate (25) through the swing rod (22), so that the opening and closing cover plate (25) adsorbs low-temperature cold air flow in the cooling cavity (3) in the opening process, thereby cooling the high-temperature transformer in the mounting seat (1), and in the process, lower-temperature cold air flow in the underground enters the cooling cavity (3) through the primary ventilation opening (23) so as to enter the mounting seat (1) through the secondary ventilation opening (24);
after the low-temperature cold air flow entering the mounting seat (1) cools the transformer, the high-temperature hot air flow in the mounting seat (1) is extruded, so that the high-temperature hot air flows through the air outlet (17) and is discharged outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011604920.6A CN112736734B (en) | 2020-12-30 | 2020-12-30 | Underground installation type protective equipment for indoor transformer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011604920.6A CN112736734B (en) | 2020-12-30 | 2020-12-30 | Underground installation type protective equipment for indoor transformer station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112736734A CN112736734A (en) | 2021-04-30 |
| CN112736734B true CN112736734B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011604920.6A Active CN112736734B (en) | 2020-12-30 | 2020-12-30 | Underground installation type protective equipment for indoor transformer station |
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| Country | Link |
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| CN (1) | CN112736734B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373581B (en) * | 2021-08-12 | 2021-10-08 | 南通恒臻纺织科技有限公司 | Water-cooling type spinning rack with dust removal effect |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108811443B (en) * | 2018-06-22 | 2020-01-07 | 江苏亨诺科技有限公司 | Water-cooling and air-cooling combined communication cabinet |
| CN111660137A (en) * | 2020-06-29 | 2020-09-15 | 东莞市翔飞智能装备科技有限公司 | Production of motor pivot is with having heat dissipation function equipment |
| CN112113152A (en) * | 2020-10-12 | 2020-12-22 | 李鳞 | LED lamp with dual heat dissipation effect |
| CN112054418B (en) * | 2020-10-12 | 2022-04-01 | 福建逢兴机电设备有限公司 | Ground electric cabinet is sat to environmental protection heat dissipation type with waterproof effect |
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- 2020-12-30 CN CN202011604920.6A patent/CN112736734B/en active Active
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| CN112736734A (en) | 2021-04-30 |
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Effective date of registration: 20231026 Address after: 065000 Langfang city of Hebei province Guangyang District No. 105 Xinhua Road Applicant after: LANGFANG POWER SUPPLY COMPANY, STATE GRID JIBEI ELECTRIC POWER Co.,Ltd. Applicant after: STATE GRID CORPORATION OF CHINA Address before: 410006 No.40, Lufeng Road, Yuelu District, Changsha City, Hunan Province Applicant before: Han Jinggang |
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