CN203799830U - Environment-friendly dry-type transformer - Google Patents
Environment-friendly dry-type transformer Download PDFInfo
- Publication number
- CN203799830U CN203799830U CN201420062008.6U CN201420062008U CN203799830U CN 203799830 U CN203799830 U CN 203799830U CN 201420062008 U CN201420062008 U CN 201420062008U CN 203799830 U CN203799830 U CN 203799830U
- Authority
- CN
- China
- Prior art keywords
- clamping piece
- upper clamping
- stay
- piece body
- friendly dry
- 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.)
- Expired - Lifetime
Links
- 238000004804 winding Methods 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 239000012212 insulator Substances 0.000 claims description 7
- 239000010754 BS 2869 Class F Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model relates to the technical field of power transmission and transformation, in particular to an environment-friendly dry-type transformer. The environment-friendly dry-type transformer mainly comprises an iron core, a coil winding, a high-voltage lead, a low-voltage lead, an upper clamp and a lower clamp. The coil winding comprises a low-voltage coil and a high-voltage coil. The high-voltage coil comprises an insulating cylinder, a copper wire, a stay, a cushion block and an insulating end ring. The environment-friendly dry-type transformer is characterized in that a T-shaped groove is formed in the side, matched with the stay, of the cushion block, a T-shaped boss matched with the T-shaped groove is arranged on the side, matched with the cushion block, of the stay, the upper clamp comprises an upper clamp body and a drawstring base plate, the lower clamp comprises a lower clamp body and a drawstring base plate, the upper clamp body and the lower clamp body are in the shape of a groove, and the drawstring base plates are fixed right opposite to the upper and lower internal corners of the upper clamp body and the lower clamp body. The environment-friendly dry-type transformer is stable in structure, good in heat dissipation performance, high in overload capacity, and safe and reliable in running, and the service life is prolonged.
Description
Technical field
The utility model relates to T & D Technology field, is specifically related to a kind of environmentally-friendly dry transformer.
Background technology
The features such as dry-type transformer has safety, fire prevention, pollution-free, volume is little, are widely used in the places such as localized lighting, skyscraper, airport, harbour CNC plant equipment.Because the radiating effect of dry-type transformer does not have the good of oil-filled transformer, so conventionally adopt stay and cushion block to overhang air flue, be dry-type transformer heat radiation.But general design can cause stay and cushion block firm not, and the folder of secured core, when electrical operation, also there will be vibrations, the phenomenon that loose, noise is large.
Summary of the invention
The purpose of this utility model is to overcome described in above technology not enough, provides that a kind of stabilized structure, heat dispersion are stable, the environmentally-friendly dry transformer of security of operation.
The utility model is achieved through the following technical solutions:
A kind of environmentally-friendly dry transformer, comprise iron core, coil windings, high-voltage connection, low-voltage lead, upper clamping piece, lower clamping piece, described coil windings comprises that the low-voltage coil of winding on iron core and winding are at the high-tension coil of low-voltage coil periphery, described high-tension coil comprises insulating cylinder, copper cash around insulating cylinder periphery, stay between insulating cylinder and copper cash, cushion block between copper wire layer and the insulating end ring that is clipped in copper cash two ends, it is characterized in that: the side that described cushion block matches with stay is provided with T connected in star, the side that described stay matches with cushion block is provided with the T shape boss matching with described T connected in star.The engaging of T connected in star and T shape boss, is fixed together cushion block and stay firmly.Described upper clamping piece comprises upper clamping piece body and drawstring backing plate, described lower clamping piece comprises lower clamping piece body and drawstring backing plate, described upper clamping piece body and lower clamping piece body are groove type, and described drawstring backing plate faces respectively the upper and lower interior corner of described upper clamping piece body and lower clamping piece body and fixes.
Further, described upper clamping piece also comprises insulator mounting panel, and vertical connection of top edge of described insulator mounting panel and described upper clamping piece body, forming cross section is semi-enclosed rectangle, has both strengthened the constant intensity of upper clamping piece, saves again manufacturing cost.
Further, for reaching good insulation effect, the material of described insulating cylinder and insulating end ring is H class F insulating material F, perfect heat-dissipating, and the thermal life is long.
The utility model passes through the design of high-tension coil, upper clamping piece and lower clamping piece, stabilized structure, and thermal diffusivity is good, and overload capacity is strong, safe and reliable to operation, increases the service life.
Accompanying drawing explanation
Fig. 1 is the front view of environmentally-friendly dry transformer described in the utility model;
Fig. 2 is the end view of environmentally-friendly dry transformer described in the utility model;
Fig. 3 is the structure chart of the high-tension coil of environmentally-friendly dry transformer described in the utility model;
Fig. 4 is the stay of environmentally-friendly dry transformer described in the utility model and the structure chart of cushion block;
Fig. 5 is the structure chart of the upper clamping piece of environmentally-friendly dry transformer described in the utility model;
Fig. 6 is the end view of the upper clamping piece of environmentally-friendly dry transformer described in the utility model;
Fig. 7 is the structure chart of the lower clamping piece of environmentally-friendly dry transformer described in the utility model;
Fig. 8 is the end view of the lower clamping piece of environmentally-friendly dry transformer described in the utility model;
In figure: 1-iron core, 2-coil windings, 21-high-tension coil, 211-insulating cylinder, 212-copper cash, 213-stay, 214-cushion block, 215-T connected in star, 216-T shape boss, 3-high-voltage connection, 4-low-voltage lead, 5-upper clamping piece, 51-upper clamping piece body, 52-insulator mounting panel, 6-lower clamping piece, 61-lower clamping piece body, 7-drawstring backing plate.
Embodiment
By the drawings and specific embodiments, the utility model is further detailed below.
As shown in Fig. 1 ~ 3, environmentally-friendly dry transformer described in the utility model, mainly comprise iron core 1, coil windings 2, high-voltage connection 3, low-voltage lead 4, upper clamping piece 5, lower clamping piece 6, coil windings 2 comprises that the low-voltage coil of winding on iron core 1 (in figure mark) and winding are at the high-tension coil 21 of low-voltage coil periphery, in the present embodiment, coil windings 2 is made as three groups.
As shown in Fig. 3 ~ 4, high-tension coil 21 comprises insulating cylinder 211, copper cash 212, stay 213, cushion block 214 and insulating end ring (in figure, not marking).Copper cash 212 windings are in the periphery of insulating cylinder 211, between insulating cylinder 211 and copper cash 212, be evenly provided with ten stays 213, copper cash 212 has been evenly arranged ten cushion blocks that coordinate with stay 213 between layers, copper cash 212, between two insulating end rings (not marking in figure), is clamped by two insulating end rings (not marking in figure).The side that cushion block 214 matches with stay 213 is provided with T connected in star 215, and the side that stay 213 matches with cushion block 214 is provided with the T shape boss 216 matching with T connected in star 215.
As shown in Fig. 5 ~ 6, upper clamping piece 5 comprises upper clamping piece body 51, drawstring backing plate 7 and insulator mounting panel 52, upper clamping piece body 51 is groove type, there is upper and lower corner, drawstring backing plate 7 faces respectively the upper and lower interior corner of upper clamping piece body 51 and fixes, arrange two above, arrange two above, the both sides adjacent with upper clamping piece body 51, the center of drawstring backing plate 7 are 45.Insulator mounting panel 52 is connected with upper clamping piece body 51 edge-perpendicular, and particular location is arranged on the top edge of upper clamping piece body 51, each, the outside of two drawstring backing plates, and forming cross section is semi-enclosed rectangle.
As shown in Fig. 7 ~ 8, lower clamping piece 6 comprises lower clamping piece body 61 and drawstring backing plate 7, lower clamping piece body 61 is groove type, there is upper and lower corner, drawstring backing plate 7 faces respectively the upper and lower interior corner of lower clamping piece body 61 and fixes, arrange two above, arrange two above, the both sides adjacent with lower clamping piece body 61, the center of drawstring backing plate 7 are 45.
Preferably, for reaching good insulation effect, the material of described insulating cylinder 211 and insulating end ring (not marking in figure) is H class F insulating material F, perfect heat-dissipating, and the thermal life is long.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model; can not assert that concrete enforcement of the present utility model is confined to these explanations; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (3)
1. an environmentally-friendly dry transformer, comprise iron core, coil windings, high-voltage connection, low-voltage lead, upper clamping piece, lower clamping piece, described coil windings comprises that the low-voltage coil of winding on iron core and winding are at the high-tension coil of low-voltage coil periphery, described high-tension coil comprises insulating cylinder, copper cash around insulating cylinder periphery, stay between insulating cylinder and copper cash, cushion block between copper wire layer and the insulating end ring that is clipped in copper cash two ends, it is characterized in that: the side that described cushion block matches with stay is provided with T connected in star, the side that described stay matches with cushion block is provided with the T shape boss matching with described T connected in star, described upper clamping piece comprises upper clamping piece body and drawstring backing plate, described lower clamping piece comprises lower clamping piece body and drawstring backing plate, described upper clamping piece body and lower clamping piece body are groove type, described drawstring backing plate faces respectively the upper and lower interior corner of described upper clamping piece body and lower clamping piece body and fixes.
2. environmentally-friendly dry transformer according to claim 1, is characterized in that: described upper clamping piece also comprises insulator mounting panel, and vertical connection of top edge of described insulator mounting panel and described upper clamping piece body, forming cross section is semi-enclosed rectangle.
3. environmentally-friendly dry transformer according to claim 1, is characterized in that: the material of described insulating cylinder and insulating end ring is H class F insulating material F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420062008.6U CN203799830U (en) | 2014-02-12 | 2014-02-12 | Environment-friendly dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420062008.6U CN203799830U (en) | 2014-02-12 | 2014-02-12 | Environment-friendly dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203799830U true CN203799830U (en) | 2014-08-27 |
Family
ID=51382025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420062008.6U Expired - Lifetime CN203799830U (en) | 2014-02-12 | 2014-02-12 | Environment-friendly dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203799830U (en) |
-
2014
- 2014-02-12 CN CN201420062008.6U patent/CN203799830U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |
|
| CX01 | Expiry of patent term |