CN113555188A - Transformer heat radiation structure and transformer with same - Google Patents
Transformer heat radiation structure and transformer with same Download PDFInfo
- Publication number
- CN113555188A CN113555188A CN202110680469.4A CN202110680469A CN113555188A CN 113555188 A CN113555188 A CN 113555188A CN 202110680469 A CN202110680469 A CN 202110680469A CN 113555188 A CN113555188 A CN 113555188A
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- transformer
- transformer body
- rod
- heat dissipation
- groove
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- 230000005855 radiation Effects 0.000 title claims description 4
- 230000017525 heat dissipation Effects 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a transformer heat dissipation structure and a transformer with the same, and the transformer heat dissipation structure comprises a heat dissipation structure and an installation structure, wherein the heat dissipation structure comprises a transformer body, a fan is arranged inside the transformer body, a heat conduction rod is arranged on the transformer body, an air outlet is formed in the transformer body, a cover plate is hinged to the transformer body, and the cover plate is arranged on the outer side of the air outlet. The heat dissipation device has the advantages that the fan is designed to play a role in blowing and dissipating heat for the interior of the transformer body, so that the heat dissipation efficiency of the transformer body is improved, the cover plate plays a role in sealing the air outlet, dust can be prevented from entering the transformer body, the heat of the transformer body can be absorbed through the action of the heat conduction rod, the heat conduction rod can dissipate heat through the contact of the heat conduction rod and outside air, and the heat dissipation efficiency of the transformer body is further improved.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a transformer heat dissipation structure and a transformer with the same.
Background
Patent publication No. CN203941788U discloses a transformer, which comprises a box body, the box body comprises a lower surface, an iron core and a winding are arranged in the box body, finned radiators are arranged on the four peripheral walls of the box body, a mounting bracket is connected below the box body relative to the finned radiators, the mounting bracket is a right-angle bent plate, the right-angle bent plate comprises a first fixing plate and a second fixing plate, a sliding block is arranged on the first fixing plate, a sliding rail matched with the sliding block is arranged on the box body, the first fixing plate is connected on the box body through the matching of the sliding rail and the sliding block, the second fixing plate and the lower surface of the box body are on the same horizontal plane, threaded holes are arranged on the first fixing plate and the second fixing plate, and connecting holes with the same aperture as the threaded holes are arranged on the box body, the structure of the invention can improve the firmness of the box body after installation, and the mounting bracket can support the box body more stably, the safety performance is high.
When the existing transformer is used, the heat dissipation efficiency of the transformer is low, the normal use of the transformer can be influenced by overheating of the transformer, and the installation mode of the transformer is complicated, so that the installation working efficiency is influenced.
Disclosure of Invention
The invention aims to provide a transformer heat dissipation structure and a transformer with the same, which solve the problem of low heat dissipation efficiency of the transformer and the problem of complex installation mode of the transformer.
In order to achieve the purpose, the invention provides the following technical scheme: a heat dissipation structure of a transformer and a transformer with the same comprise a heat dissipation structure and a mounting structure, wherein the heat dissipation structure comprises a transformer body, a fan is arranged in the transformer body, a heat conducting rod is arranged on the transformer body, an air outlet is arranged on the transformer body, a cover plate is hinged on the transformer body and is arranged at the outer side of the air outlet, a fixed rod is fixedly connected on the transformer body, a fixed ring is fixedly connected on the fixed rod, a first spring is arranged at the outer side of the fixed rod, a fixed block is sleeved on the outer side of the fixed rod in a sliding manner and is in contact with the cover plate, the mounting structure comprises a mounting seat, the mounting seat is in contact with the transformer body, a limiting seat is fixedly connected on the mounting seat, a limiting rod is connected in the limiting seat through threads, and a clamping sleeve is clamped on the limiting rod, the transformer connecting structure comprises a clamping sleeve, a mounting seat, a connecting rod, a second spring, a connecting block, a connecting groove, a connecting block and a transformer body, wherein the clamping sleeve is in contact with the transformer body, the clamping sleeve is in contact with the mounting seat, the mounting seat is provided with a groove, the inside of the groove is connected with the sliding block in a sliding mode, the sliding block is fixedly connected with the clamping sleeve, the connecting rod is fixedly connected with the sliding block, the connecting rod is in sliding connection with the groove, the outside of the connecting rod is provided with the second spring in a sliding mode, the connecting block is connected with the mounting seat in a sliding mode, the connecting block is fixedly connected with the mounting seat, the connecting groove is formed in the mounting seat, the inside of the connecting groove is connected with the connecting rod in a sliding mode, the connecting block is connected with the connecting groove in a sliding mode, and the connecting block is fixedly connected with the transformer body.
Preferably, the transformer body is provided with an air inlet, and a filter screen is arranged inside the air inlet.
Preferably, the number of the heat conducting rods is multiple, and the multiple heat conducting rods are uniformly distributed on the transformer body.
Preferably, one end of the first spring is in contact with the fixed block, and the other end of the first spring is in contact with the fixed ring.
Preferably, the fixed block is provided with a sliding chute, and the inside of the sliding chute is connected with a fixed rod in a sliding manner.
Preferably, the limiting rod is fixedly connected with a limiting ring, and the limiting ring is in contact with the limiting seat.
Preferably, the mounting seat and the limiting seat are of an integrally formed structure.
Preferably, the jacket is provided with a limiting groove, and a limiting rod is slidably connected inside the limiting groove.
Preferably, one end of the second spring is in contact with the sliding block, and the other end of the second spring is in contact with the connecting block.
Preferably, a clamping groove is formed in the connecting block, and a connecting rod is connected to the inside of the clamping groove in a sliding mode.
Compared with the prior art, the invention has the following beneficial effects:
1. the heat dissipation device has the advantages that the fan is designed to play a role in blowing and dissipating heat for the interior of the transformer body, so that the heat dissipation efficiency of the transformer body is improved, the cover plate plays a role in sealing the air outlet, dust can be prevented from entering the transformer body, the heat of the transformer body can be absorbed through the action of the heat conduction rod, the heat conduction rod can dissipate heat through the contact of the heat conduction rod and outside air, and the heat dissipation efficiency of the transformer body is further improved.
2. According to the invention, the clamping and positioning effect can be achieved on the transformer body by designing the jacket, and the upper and lower structures of the connecting block can be limited by inserting the connecting rod into the connecting block, so that the positioning effect of the transformer body is achieved, and the installation mode of the transformer body is more convenient.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of a partial structure of the transformer body of FIG. 1 according to the present invention;
FIG. 3 is a right side view of a partial structure of the transformer body of FIG. 1 in accordance with the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of the portion B of FIG. 1 according to the present invention.
In the figure: 1. a heat dissipation structure; 2. a mounting structure; 11. a transformer body; 12. a fan; 13. an air inlet; 14. filtering with a screen; 15. a heat conducting rod; 16. an air outlet; 17. a cover plate; 18. fixing the rod; 19. a fixing ring; 20. a first spring; 21. a fixed block; 22. a chute; 31. a mounting seat; 32. a limiting seat; 33. a limiting rod; 34. a limiting ring; 35. a jacket; 36. a limiting groove; 37. a groove; 38. a slider; 39. a connecting rod; 40. a second spring; 41. connecting blocks; 42. a card slot; 43. connecting grooves; 44. and (7) connecting blocks.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, 2, 3, 4, 5, a heat dissipation structure of a transformer and a transformer having the same, includes a heat dissipation structure 1 and a mounting structure 2, the heat dissipation structure 1 includes a transformer body 11, a fan 12 is disposed inside the transformer body 11, a heat conducting rod 15 is disposed on the transformer body 11, the heat conducting rod 15 is made of a heat conducting gauge material, an air outlet 16 is disposed on the transformer body 11, a cover plate 17 is hinged to the transformer body 11, the cover plate 17 is disposed outside the air outlet 16, a fixing rod 18 is fixedly connected to the transformer body 11, a fixing ring 19 is fixedly connected to the fixing rod 18, a first spring 20 is disposed outside the fixing rod 18, the fixing block 21 is slidably sleeved on the outside of the fixing rod 18, the fixing block 21 contacts with the cover plate 17, the mounting structure 2 includes a mounting seat 31, the mounting seat 31 contacts with the transformer body 11, a limiting seat 32 is fixedly connected to the mounting seat 31, there is the gag lever post 33 inside of spacing seat 32 through threaded connection, the last joint of gag lever post 33 has and presss from both sides cover 35, it contacts with transformer body 11 to press from both sides cover 35, it contacts with mount pad 31 to press from both sides the cover 35, set up recess 37 on the mount pad 31, the inside sliding connection of recess 37 has slider 38, slider 38 and the cover 35 fixed connection that presss from both sides, fixedly connected with connecting rod 39 on the slider 38, connecting rod 39 and recess 37 sliding connection, the outside of connecting rod 39 is provided with second spring 40, the outside sliding connection of connecting rod 39 has cup jointed even piece 44, even piece 44 and mount pad 31 fixed connection, spread groove 43 has been seted up on the mount pad 31, the inside sliding connection of spread groove 43 has connecting rod 39, the last joint of connecting rod 39 has connecting block 41, connecting block 41 and spread groove 43 sliding connection, connecting block 41 and transformer body 11 fixed connection.
Referring to fig. 1 and 2, an air inlet 13 is disposed on the transformer body 11, and a filter screen 14 is disposed inside the air inlet 13. By designing the filter 14, dust is prevented from entering the transformer body 11 through the air inlet 13.
Referring to fig. 1 and 2, the number of the heat conducting rods 15 is multiple, and the multiple heat conducting rods 15 are uniformly distributed on the transformer body 11. By designing the heat conduction rod 15, the heat of the transformer body 11 can be absorbed.
Referring to fig. 1 and 4, one end of the first spring 20 contacts the fixing block 21, and the other end of the first spring 20 contacts the fixing ring 19. The first spring 20 is designed such that the force of the first spring 20 acts on the fixed block 21.
Referring to fig. 1 and 4, a sliding groove 22 is formed on the fixing block 21, and the fixing rod 18 is slidably connected to the inside of the sliding groove 22. The fixing block 21 can slide on the fixing rod 18 by designing the sliding groove 22.
Referring to fig. 1, a stop collar 34 is fixedly connected to the stop rod 33, and the stop collar 34 contacts the stop seat 32. The stop collar 34 can prevent the stop rod 33 from separating from the stop seat 32.
Referring to fig. 1, the mounting seat 31 and the limiting seat 32 are integrally formed. By designing the mounting seat 31, the transformer body 11 can be fixedly mounted.
Referring to fig. 1, the jacket 35 is provided with a limiting groove 36, and a limiting rod 33 is slidably connected inside the limiting groove 36. The limiting groove 36 is designed to allow the limiting rod 33 to slide in the limiting groove 36.
Referring to fig. 1 and 5, one end of the second spring 40 contacts the slider 38, and the other end of the second spring 40 contacts the connecting block 44. The second spring 40 is designed such that the force of the second spring 40 acts on the slider 38.
Referring to fig. 1 and 5, a slot 42 is formed on the connecting block 41, and the connecting rod 39 is slidably connected inside the slot 42. The slot 42 is designed so that the connecting rod 39 can slide in the slot 42.
The specific implementation process of the invention is as follows: when the transformer body 11 is required to be installed and positioned, the transformer body 11 is firstly placed on the installation seat 31, the connecting block 41 is inserted into the connecting groove 43, then the limiting ring 34 is rotated, the limiting ring 34 drives the limiting rod 33 to rotate, the limiting rod 33 is enabled to move towards the direction close to the jacket 35 through the threaded connection between the limiting rod 33 and the limiting seat 32, the limiting rod 33 is inserted into the limiting groove 36, the limiting rod 33 drives the jacket 35 to move towards the direction close to the transformer body 11, the jacket 35 drives the sliding block 38 to move, the sliding block 38 drives the connecting rod 39 to move, the sliding block 38 extrudes the second spring 40, the connecting rod 39 is inserted into the clamping groove 42, the jacket 35 is contacted with the transformer body 11, the clamping and positioning effects can be achieved on the transformer body 11 through the effect of the jacket 35, and the connecting rod 39 is inserted into the connecting block 41, so that the upper and lower structures of the connecting block 41 can be limited, thereby reach the effect with transformer body 11 location for transformer body 11's mounting means is more convenient. When the transformer body 11 works, the fan 12 works simultaneously, the fan 12 sucks external air in through the air inlet 13 and blows the air into the transformer body 11, so that the effect of blowing air to the inside of the transformer body 11 for heat dissipation is achieved, thereby improving the heat dissipation efficiency of the transformer body 11, dust can be prevented from entering the inside of the transformer body 11 through the air inlet 13 by the action of the filter screen 14, gas in the transformer body 11 can be discharged through the air outlet 16, the cover plate 17 can be driven to rotate by the action of wind power, the cover plate 17 can drive the fixing block 21 to move, the fixing block 21 can extrude the first spring 20, so that the cover plate 17 is opened, gas in the transformer body 11 can be discharged, after the gas is discharged, a reaction force can be given to the fixing block 21 by the elastic action of the first spring 20, thereby the fixing block 21 drives the cover plate 17 to reset, and dust can be prevented from entering the transformer body 11 through the air outlet 16, through the effect of heat conduction pole 15, can absorb the heat of transformer body 11, can play a radiating effect to heat conduction pole 15 through the contact of heat conduction pole 15 with the outside air to reach the radiating effect to transformer body 11, thereby further improved the radiating efficiency to transformer body 11.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a transformer heat radiation structure and have transformer of this structure, includes heat radiation structure (1), mounting structure (2), its characterized in that: the heat dissipation structure (1) comprises a transformer body (11), a fan (12) is arranged inside the transformer body (11), a heat conducting rod (15) is arranged on the transformer body (11), an air outlet (16) is arranged on the transformer body (11), a cover plate (17) is hinged on the transformer body (11), the cover plate (17) is arranged on the outer side of the air outlet (16), a fixing rod (18) is fixedly connected on the transformer body (11), a fixing ring (19) is fixedly connected on the fixing rod (18), a first spring (20) is arranged on the outer side of the fixing rod (18), a fixing block (21) is sleeved on the outer side of the fixing rod (18) in a sliding mode, the fixing block (21) is in contact with the cover plate (17), the mounting structure (2) comprises a mounting seat (31), and the mounting seat (31) is in contact with the transformer body (11), the transformer is characterized in that a limiting seat (32) is fixedly connected to the mounting seat (31), a limiting rod (33) is connected to the inside of the limiting seat (32) through threads, a clamping sleeve (35) is clamped on the limiting rod (33), the clamping sleeve (35) is in contact with the transformer body (11), the clamping sleeve (35) is in contact with the mounting seat (31), a groove (37) is formed in the mounting seat (31), a sliding block (38) is connected to the inside of the groove (37) in a sliding manner, the sliding block (38) is fixedly connected with the clamping sleeve (35), a connecting rod (39) is fixedly connected to the sliding block (38), the connecting rod (39) is connected with the groove (37) in a sliding manner, a second spring (40) is arranged on the outer side of the connecting rod (39), a connecting block (44) is sleeved on the outer side of the connecting rod (39) in a sliding manner, and the connecting block (44) is fixedly connected with the mounting seat (31), the transformer connecting structure is characterized in that a connecting groove (43) is formed in the mounting seat (31), a connecting rod (39) is connected to the inside of the connecting groove (43) in a sliding mode, a connecting block (41) is connected to the connecting rod (39) in a clamping mode, the connecting block (41) is connected with the connecting groove (43) in a sliding mode, and the connecting block (41) is fixedly connected with the transformer body (11).
2. The transformer heat dissipation structure and the transformer with the same as claimed in claim 1, wherein: the transformer is characterized in that an air inlet (13) is formed in the transformer body (11), and a filter screen (14) is arranged inside the air inlet (13).
3. The transformer heat dissipation structure and the transformer with the same as claimed in claim 1, wherein: the number of the heat conducting rods (15) is multiple, and the heat conducting rods (15) are uniformly distributed on the transformer body (11).
4. The transformer heat dissipation structure and the transformer with the same as claimed in claim 1, wherein: one end of the first spring (20) is in contact with the fixed block (21), and the other end of the first spring (20) is in contact with the fixed ring (19).
5. The transformer heat dissipation structure and the transformer with the same as claimed in claim 1, wherein: the fixing block (21) is provided with a sliding groove (22), and a fixing rod (18) is connected to the inside of the sliding groove (22) in a sliding mode.
6. The transformer heat dissipation structure and the transformer with the same as claimed in claim 1, wherein: the limiting rod (33) is fixedly connected with a limiting ring (34), and the limiting ring (34) is in contact with the limiting seat (32).
7. The transformer heat dissipation structure and the transformer with the same as claimed in claim 1, wherein: the mounting seat (31) and the limiting seat (32) are of an integrally formed structure.
8. The transformer heat dissipation structure and the transformer with the same as claimed in claim 1, wherein: the clamping sleeve (35) is provided with a limiting groove (36), and a limiting rod (33) is connected to the inside of the limiting groove (36) in a sliding mode.
9. The transformer heat dissipation structure and the transformer with the same as claimed in claim 1, wherein: one end of the second spring (40) is in contact with the sliding block (38), and the other end of the second spring (40) is in contact with the connecting block (44).
10. The transformer heat dissipation structure and the transformer with the same as claimed in claim 1, wherein: a clamping groove (42) is formed in the connecting block (41), and a connecting rod (39) is connected to the inside of the clamping groove (42) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110680469.4A CN113555188A (en) | 2021-06-18 | 2021-06-18 | Transformer heat radiation structure and transformer with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110680469.4A CN113555188A (en) | 2021-06-18 | 2021-06-18 | Transformer heat radiation structure and transformer with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113555188A true CN113555188A (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110680469.4A Pending CN113555188A (en) | 2021-06-18 | 2021-06-18 | Transformer heat radiation structure and transformer with same |
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| Country | Link |
|---|---|
| CN (1) | CN113555188A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160260538A1 (en) * | 2014-05-27 | 2016-09-08 | Fuji Electric Co., Ltd. | Winding component attachment structure and power conversion device provided with said attachment structure |
| CN106057412A (en) * | 2016-06-28 | 2016-10-26 | 福建省建阳市安顺变压器配件厂 | Transformer provided with telescopic external fin radiator with shock absorption pins fixedly connected with internal fins |
| CN108565090A (en) * | 2018-03-09 | 2018-09-21 | 重庆市开州区宏顺电子厂 | A kind of placement mechanism suitable for miniature transformer |
| CN209133310U (en) * | 2018-12-17 | 2019-07-19 | 保定中亚电气有限公司 | A kind of box type transformer |
| CN210245228U (en) * | 2019-09-30 | 2020-04-03 | 贵州安顺南方变压器有限公司 | Multifunctional transformer box |
| CN211508217U (en) * | 2019-12-12 | 2020-09-15 | 钟超 | Heat dissipation type electric power cabinet of deashing function |
| CN212113377U (en) * | 2020-04-10 | 2020-12-08 | 马海龙 | Transformer easy to assemble |
| CN212278702U (en) * | 2020-07-13 | 2021-01-01 | 周成 | Electrical cabinet for electrical engineering |
| CN112269455A (en) * | 2020-11-12 | 2021-01-26 | 佛山市高明欧一电子制造有限公司 | High-efficient heat abstractor of network controller |
| CN212875474U (en) * | 2020-08-24 | 2021-04-02 | 常州中能电力科技有限公司 | Box transformer substation video and environment comprehensive monitoring system based on 5G |
| CN213027071U (en) * | 2020-08-19 | 2021-04-20 | 南京首风智慧电力研究院有限公司 | Heat dissipation type transformer substation measurement and control box |
| CN213242172U (en) * | 2020-08-28 | 2021-05-18 | 上海彬长电气有限公司 | Transformer with drying function |
-
2021
- 2021-06-18 CN CN202110680469.4A patent/CN113555188A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160260538A1 (en) * | 2014-05-27 | 2016-09-08 | Fuji Electric Co., Ltd. | Winding component attachment structure and power conversion device provided with said attachment structure |
| CN106057412A (en) * | 2016-06-28 | 2016-10-26 | 福建省建阳市安顺变压器配件厂 | Transformer provided with telescopic external fin radiator with shock absorption pins fixedly connected with internal fins |
| CN108565090A (en) * | 2018-03-09 | 2018-09-21 | 重庆市开州区宏顺电子厂 | A kind of placement mechanism suitable for miniature transformer |
| CN209133310U (en) * | 2018-12-17 | 2019-07-19 | 保定中亚电气有限公司 | A kind of box type transformer |
| CN210245228U (en) * | 2019-09-30 | 2020-04-03 | 贵州安顺南方变压器有限公司 | Multifunctional transformer box |
| CN211508217U (en) * | 2019-12-12 | 2020-09-15 | 钟超 | Heat dissipation type electric power cabinet of deashing function |
| CN212113377U (en) * | 2020-04-10 | 2020-12-08 | 马海龙 | Transformer easy to assemble |
| CN212278702U (en) * | 2020-07-13 | 2021-01-01 | 周成 | Electrical cabinet for electrical engineering |
| CN213027071U (en) * | 2020-08-19 | 2021-04-20 | 南京首风智慧电力研究院有限公司 | Heat dissipation type transformer substation measurement and control box |
| CN212875474U (en) * | 2020-08-24 | 2021-04-02 | 常州中能电力科技有限公司 | Box transformer substation video and environment comprehensive monitoring system based on 5G |
| CN213242172U (en) * | 2020-08-28 | 2021-05-18 | 上海彬长电气有限公司 | Transformer with drying function |
| CN112269455A (en) * | 2020-11-12 | 2021-01-26 | 佛山市高明欧一电子制造有限公司 | High-efficient heat abstractor of network controller |
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Application publication date: 20211026 |
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| RJ01 | Rejection of invention patent application after publication |