CN220526739U - Transformer with lightning protection function - Google Patents
Transformer with lightning protection function Download PDFInfo
- Publication number
- CN220526739U CN220526739U CN202321981647.8U CN202321981647U CN220526739U CN 220526739 U CN220526739 U CN 220526739U CN 202321981647 U CN202321981647 U CN 202321981647U CN 220526739 U CN220526739 U CN 220526739U
- Authority
- CN
- China
- Prior art keywords
- transformer
- metal shell
- lightning
- lightning protection
- insulating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002184 metal Substances 0.000 claims abstract description 52
- 229910052751 metal Inorganic materials 0.000 claims abstract description 52
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052802 copper Inorganic materials 0.000 claims abstract description 28
- 239000010949 copper Substances 0.000 claims abstract description 28
- 230000017525 heat dissipation Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Elimination Of Static Electricity (AREA)
Abstract
The utility model discloses a transformer with a lightning protection function, which comprises a lightning protection component, wherein the lightning protection component comprises a transformer body, an insulating cushion block, a metal shell, a connecting block, an insulating screw, a touch plate, a lightning rod, a grounding copper rod and a grounding grid; the lower surface of the transformer body is uniformly and fixedly connected with an insulating cushion block. According to the utility model, the connecting block is fixed on the inner bottom wall of the metal shell through the insulating screw, so that the metal shell is positioned outside the transformer body, when lightning is struck by lightning, the lightning is conducted downwards to the grounding copper rod along the lightning rod and the metal shell, the insulating connection between the transformer body and the metal shell can be realized by means of the insulating screw and the insulating cushion block, the influence of current on the normal operation of the transformer body can be avoided, the grounding copper rod is provided with a plurality of grounding copper rods capable of improving current distribution, the contact area between the grounding copper rod and the ground is increased by means of the grounding network, the grounding resistance is reduced, and thus the lightning strike current can be effectively introduced into the ground.
Description
Technical Field
The utility model relates to the technical field of transformers, in particular to a transformer with a lightning protection function.
Background
The transformer is a static electrical equipment for converting alternating voltage and current to transmit alternating current electric energy, and is realized by electric energy transmission according to the principle of electromagnetic induction, the power transformer is necessary equipment for power transmission and distribution and power consumer distribution, and the transformer can be divided into a power transformer, a test transformer, an instrument transformer, a special-purpose transformer and the like in terms of the application;
the transformer is often erected outdoors as an important power transmission medium, and is easily damaged by lightning strike in thunder weather, so that the safe use of the transformer is affected; for this purpose, a transformer with a lightning protection function is proposed.
Disclosure of Invention
The utility model aims to provide a transformer with a lightning protection function, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the transformer with the lightning protection function comprises a lightning protection component, wherein the lightning protection component comprises a transformer body, an insulating cushion block, a metal shell, a connecting block, an insulating screw, a touch plate, a lightning rod, a grounding copper rod and a grounding grid;
the transformer is characterized in that an insulating cushion block is uniformly and fixedly connected to the lower surface of the transformer body, a connecting block is fixedly connected to the outer side wall of the insulating cushion block, the connecting block is connected with the inner bottom wall of the metal shell through insulating screws, a touch plate is arranged on the upper surface of the metal shell, lightning rods are arranged on the upper surface of the touch plate, a plurality of grounding copper bars are arranged on the upper surface of the touch plate, the top of each grounding copper bar is fixedly connected to the lower surface of the metal shell, and a grounding grid is fixedly connected to the bottom of each grounding copper bar.
As a further preferred aspect of the present utility model: the lightning protection assembly further comprises supporting legs, circular plates, mounting holes, connecting plates and connecting bolts, the supporting legs are uniformly welded on the lower surface of the metal shell, and the circular plates are welded at the bottom ends of the supporting legs.
As a further preferred aspect of the present utility model: and mounting holes are uniformly formed in the lower surface of the circular plate.
As a further preferred aspect of the present utility model: the outer side wall of the touch plate is uniformly welded with a connecting plate, and the connecting plate is connected with the upper surface of the metal shell through the connecting bolt.
As a further preferred aspect of the present utility model: the heat dissipation assembly is installed to the lateral wall of metal casing, the heat dissipation assembly includes louvre, heat conduction post, fin, mounting groove and insulating cover, the louvre has evenly been seted up to the rear surface of metal casing.
As a further preferred aspect of the present utility model: the transformer is characterized in that heat conducting columns are fixedly connected to two sides of the outer side wall of the transformer body, and one end, far away from the transformer body, of each heat conducting column extends out of the metal shell and is fixedly connected with radiating fins.
As a further preferred aspect of the present utility model: the mounting grooves are formed in two sides of the outer side wall of the metal shell, the insulating sleeves are bonded to the inner side walls of the mounting grooves, and the insulating sleeves are arranged on the outer side walls of the heat conducting columns.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the connecting block is fixed on the inner bottom wall of the metal shell through the insulating screw, so that the metal shell is positioned outside the transformer body, when lightning is struck by lightning, the lightning is conducted downwards to the grounding copper rod along the lightning rod and the metal shell, the insulating connection between the transformer body and the metal shell can be realized by means of the insulating screw and the insulating cushion block, the influence of current on the normal operation of the transformer body can be avoided, the grounding copper rod is provided with a plurality of grounding copper rods, the current distribution can be improved, the contact area between the grounding copper rod and the ground is increased by means of the grounding network, the grounding resistance is reduced, and thus the lightning strike current can be effectively introduced into the ground, the lightning protection effect is improved, and the safe use of the transformer is facilitated.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic view of the bottom view of the present utility model;
FIG. 3 is a schematic view of the internal structure of the metal shell according to the present utility model;
FIG. 4 is a schematic view of a mid-section distributed heat assembly of the present utility model;
fig. 5 is an enlarged view of the structure of the area a of fig. 1 in the present utility model.
In the figure: 10. a lightning protection component; 11. a transformer body; 12. insulating cushion blocks; 13. a metal housing; 14. a connecting block; 15. an insulating screw; 16. a touch panel; 17. a lightning rod; 18. a grounded copper bar; 19. a grounding grid; 110. support legs; 111. a circular plate; 112. a mounting hole; 113. a connecting plate; 114. a connecting bolt; 20. a heat dissipation assembly; 21. a heat radiation hole; 22. a heat conducting column; 23. a heat radiation fin; 24. a mounting groove; 25. an insulating sleeve.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: the transformer with the lightning protection function comprises a lightning protection assembly 10, wherein the lightning protection assembly 10 comprises a transformer body 11, an insulating cushion block 12, a metal shell 13, a connecting block 14, insulating screws 15, a touch plate 16, a lightning rod 17, a grounding copper rod 18 and a grounding grid 19;
the transformer comprises a transformer body 11, wherein the lower surface of the transformer body 11 is uniformly and fixedly connected with an insulating cushion block 12, the outer side wall of the insulating cushion block 12 is fixedly connected with a connecting block 14, the connecting block 14 is connected with the inner bottom wall of a metal shell 13 through an insulating screw 15, the upper surface of the metal shell 13 is provided with a touch plate 16, the upper surface of the touch plate 16 is provided with a lightning rod 17, a plurality of grounding copper bars 18 are arranged, the top of each grounding copper bar 18 is fixedly connected with the lower surface of the metal shell 13, and the bottom of each grounding copper bar 18 is fixedly connected with a grounding grid 19; during installation, the grounding network 19 is buried underground, the connecting block 14 is fixed on the inner bottom wall of the metal shell 13 through the insulating screw 15, the metal shell 13 is positioned outside the transformer body 11, when lightning is struck, the lightning is downwards conducted to the grounding copper rod 18 along the lightning rod 17 and the metal shell 13, insulating connection between the transformer body 11 and the metal shell 13 can be realized by means of the insulating screw 15 and the insulating cushion block 12, the influence of current on the normal operation of the transformer body 11 can be avoided, the grounding copper rod 18 is provided with a plurality of improved current distribution, the contact area between the grounding copper rod 18 and the ground is increased by means of the grounding network 19, the grounding resistance is reduced, so that lightning strike current can be effectively introduced into the ground, the lightning protection effect is improved, the transformer with the lightning protection function is formed, and the safe use of the transformer is guaranteed.
In this embodiment, specific: the lightning protection assembly 10 further comprises supporting legs 110, circular plates 111, mounting holes 112, connecting plates 113 and connecting bolts 114, wherein the supporting legs 110 are uniformly welded on the lower surface of the metal shell 13, and the circular plates 111 are welded at the bottom ends of the supporting legs 110; the support legs 110 and the circular plate 111 provide support.
In this embodiment, specific: mounting holes 112 are uniformly formed in the lower surface of the circular plate 111; the circular plate 111 can be fixed by means of the mounting holes 112 and external screws, preventing the circular plate 111 from being displaced.
In this embodiment, specific: the outer side wall of the touch plate 16 is uniformly welded with a connecting plate 113, and the connecting plate 113 is connected with the upper surface of the metal shell 13 through a connecting bolt 114; the connecting plate 113 can be fixed on the top of the metal shell 13 by means of the connecting bolts 114, so that the lightning rod 17 is installed and fixed.
In this embodiment, specific: the outer side wall of the metal shell 13 is provided with a heat dissipation assembly 20, the heat dissipation assembly 20 comprises heat dissipation holes 21, heat conduction columns 22, heat dissipation fins 23, mounting grooves 24 and an insulating sleeve 25, and the rear surface of the metal shell 13 is uniformly provided with the heat dissipation holes 21; facilitating the dissipation of heat inside the metal housing 13.
In this embodiment, specific: the two sides of the outer side wall of the transformer body 11 are fixedly connected with heat conducting columns 22, and one end, far away from the transformer body 11, of each heat conducting column 22 extends out of the metal shell 13 and is fixedly connected with radiating fins 23; the heat of the surface of the transformer body 11 can be conducted to the outside of the metal shell 13 by the heat conducting column 22, and can be rapidly dissipated by the heat dissipating fins 23, so that the heat dissipating performance of the transformer can be improved.
In this embodiment, specific: mounting grooves 24 are formed in two sides of the outer side wall of the metal shell 13, an insulating sleeve 25 is bonded to the inner side wall of the mounting groove 24, and the insulating sleeve 25 is arranged on the outer side wall of the heat conducting column 22; the insulating sleeve 25 prevents the current from affecting the thermally conductive post 22 during a lightning strike.
The working principle of the utility model is as follows: during installation, the grounding network 19 is buried underground, the connecting block 14 is fixed on the inner bottom wall of the metal shell 13 through the insulating screw 15, the metal shell 13 is positioned outside the transformer body 11, when lightning is struck, the lightning is downwards conducted to the grounding copper rod 18 along the lightning rod 17 and the metal shell 13, insulating connection between the transformer body 11 and the metal shell 13 can be realized by means of the insulating screw 15 and the insulating cushion block 12, the influence of current on the normal operation of the transformer body 11 can be avoided, the grounding copper rod 18 is provided with a plurality of improved current distribution, the contact area between the grounding copper rod 18 and the ground is increased by means of the grounding network 19, the grounding resistance is reduced, so that lightning strike current can be effectively introduced into the ground, the lightning protection effect is improved, the transformer with the lightning protection function is formed, and the safe use of the transformer is guaranteed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A transformer with lightning protection function, comprising a lightning protection component (10), characterized in that: the lightning protection assembly (10) comprises a transformer body (11), an insulating cushion block (12), a metal shell (13), a connecting block (14), insulating screws (15), a touch plate (16), a lightning rod (17), a grounding copper rod (18) and a grounding grid (19);
the transformer is characterized in that the lower surface of the transformer body (11) is uniformly and fixedly connected with an insulating cushion block (12), the outer side wall of the insulating cushion block (12) is fixedly connected with a connecting block (14), the connecting block (14) is connected with the inner bottom wall of the metal shell (13) through an insulating screw (15), the upper surface of the metal shell (13) is provided with a touch plate (16), the upper surface of the touch plate (16) is provided with a lightning rod (17), the grounding copper bars (18) are provided with a plurality of lightning rods, the top of each grounding copper bar (18) is fixedly connected with the lower surface of the metal shell (13), and the bottom of each grounding copper bar (18) is fixedly connected with a grounding grid (19).
2. The transformer with lightning protection function according to claim 1, wherein: the lightning protection assembly (10) further comprises supporting legs (110), circular plates (111), mounting holes (112), connecting plates (113) and connecting bolts (114), the supporting legs (110) are uniformly welded on the lower surface of the metal shell (13), and the circular plates (111) are welded at the bottom ends of the supporting legs (110).
3. The transformer with lightning protection function according to claim 2, wherein: mounting holes (112) are uniformly formed in the lower surface of the circular plate (111).
4. The transformer with lightning protection function according to claim 2, wherein: the outer side wall of the touch plate (16) is uniformly welded with a connecting plate (113), and the connecting plate (113) is connected with the upper surface of the metal shell (13) through the connecting bolt (114).
5. The transformer with lightning protection function according to claim 1, wherein: the heat dissipation assembly is characterized in that the heat dissipation assembly (20) is arranged on the outer side wall of the metal shell (13), the heat dissipation assembly (20) comprises heat dissipation holes (21), heat conduction columns (22), heat dissipation fins (23), mounting grooves (24) and an insulating sleeve (25), and the heat dissipation holes (21) are uniformly formed in the rear surface of the metal shell (13).
6. The transformer with lightning protection function according to claim 5, wherein: the transformer is characterized in that heat conduction columns (22) are fixedly connected to two sides of the outer side wall of the transformer body (11), and one end, far away from the transformer body (11), of each heat conduction column (22) extends out of the metal shell (13) and is fixedly connected with radiating fins (23).
7. The transformer with lightning protection function according to claim 6, wherein: the heat conducting device is characterized in that mounting grooves (24) are formed in two sides of the outer side wall of the metal shell (13), an insulating sleeve (25) is adhered to the inner side wall of the mounting grooves (24), and the insulating sleeve (25) is arranged on the outer side wall of the heat conducting column (22).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321981647.8U CN220526739U (en) | 2023-07-25 | 2023-07-25 | Transformer with lightning protection function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321981647.8U CN220526739U (en) | 2023-07-25 | 2023-07-25 | Transformer with lightning protection function |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220526739U true CN220526739U (en) | 2024-02-23 |
Family
ID=89925591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321981647.8U Active CN220526739U (en) | 2023-07-25 | 2023-07-25 | Transformer with lightning protection function |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220526739U (en) |
-
2023
- 2023-07-25 CN CN202321981647.8U patent/CN220526739U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111899969B (en) | Oil-immersed transformer for electric power | |
CN211265384U (en) | Microcomputer intelligent protection molded case circuit breaker | |
CN101290931B (en) | Self-cooled thyristor valve of high power and mounting vehicle | |
CN220526739U (en) | Transformer with lightning protection function | |
KR100947261B1 (en) | A pole transformer | |
CN204376264U (en) | A kind of switch cubicle and heat abstractor thereof | |
CN203086840U (en) | Heat conduction structure of surface-mount power components on circuit board | |
CN114389183B (en) | Inflatable cabinet with heat dissipation function | |
CN203312733U (en) | Intensive-type enclosed bus groove provided with high-strength aluminum-magnesium alloy shell | |
CN212970567U (en) | Heat radiation structure for electrical equipment protection | |
CN214576120U (en) | Wire pole with lightning-arrest structure | |
CN201207393Y (en) | Large power self-cooling thyratron transistor valve and vehicle for mounting | |
CN204030982U (en) | A kind of (PCC) power | |
CN212305989U (en) | Heat radiator for communication base station | |
CN106847604A (en) | Moved end wire outlet seat and the pole using the moved end wire outlet seat | |
Bjørtuft et al. | Dielectric and thermal challenges for next generation ring main units (RMU) | |
CN211480674U (en) | Lightning protection distribution box for solar power station | |
CN112186775B (en) | Low-voltage powerless compensation device | |
CN207367729U (en) | A kind of power transformer with water-proof function | |
CN106128806B (en) | One kind being suitable for high-tension apparatus high-current switch contact | |
CN204538514U (en) | High-voltage handcart type switch cabinet contact heat dissipation device | |
CN211742848U (en) | Lightning-proof transformer for construction site | |
CN221102854U (en) | Heat dissipation mechanism for switchgear cabinet body | |
CN114002531A (en) | A drainage terminal is hit in lightning protection for power transmission and transformation installation | |
CN215578027U (en) | Dustproof heat dissipation shell of on-load oil-immersed transformer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |