CN205211608U - Off -circuit tap changer - Google Patents
Off -circuit tap changer Download PDFInfo
- Publication number
- CN205211608U CN205211608U CN201520733050.0U CN201520733050U CN205211608U CN 205211608 U CN205211608 U CN 205211608U CN 201520733050 U CN201520733050 U CN 201520733050U CN 205211608 U CN205211608 U CN 205211608U
- Authority
- CN
- China
- Prior art keywords
- resorption
- tap changer
- cavity
- circuit tap
- epicoele
- 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 - Fee Related
Links
- 238000005187 foaming Methods 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 239000006071 cream Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 abstract 3
- 229920000297 Rayon Polymers 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Central Heating Systems (AREA)
Abstract
The utility model relates to an electric power field, concretely relates to off -circuit tap changer, it includes the shell, be provided with epicoele and cavity of resorption in the shell, be provided with the baffle between epicoele and the cavity of resorption, the intracavity is provided with the magnetism piece down, the magnetism piece links to each other with the connecting block of outside, the connecting block upper end is provided with terminal and knob, be provided with the apron on the epicoele, the magnetism piece is connected to the pivot lower extreme, and passes baffle and apron, the pivot top sets up the swing handle, the intracavity is provided with the fin down, the epicoele upper end is provided with the foaming body heating panel. The utility model discloses a cavity of resorption is provided with the fin, and the epicoele is provided with the foaming body heating panel, can accelerate the heat and give off, and it has convenient to use, easy operation, simple structure, practicality characteristics such as good.
Description
Technical field
The utility model relates to power domain, is specifically related to a kind of off circuit tap changer.
Background technology
Off circuit tap changer is the one of switch, is applicable to rated voltage 10KV, rated current 63A or below 125A three-phase oil immersion transformer, without under excitation condition, by changing the transformer primary winding number of turn to reach the object of adjustment secondary voltage.
For promoting the rigidity of off circuit tap changer, promoting off circuit tap changer reliability of operation, having a kind of off circuit tap changer being provided with annular fixed contact and switch movable contact at present; The structure of this off circuit tap changer is mainly: the axial distribution along off circuit tap changer arranges annular fixed contact, and to be fixed on by annular fixed contact on each insulating bar circumferentially by cylindrical, thus promote mechanical strength and the rigidity of the insulator of off circuit tap changer; And switch movable contact slides up and down the adjacent fixed contact of cross-over connection two in the ring of ring-type fixed contact, realize voltage regulation function.
This off circuit tap changer has set up the annular fixed contact of larger amt in inside, the internal heat dissipating space of off circuit tap changer is diminished, and the working temperature of off circuit tap changer in oily medium is higher, diminishing of internal heat dissipating space, heat when working making off circuit tap changer is comparatively not easy to shed, if and dispel the heat not in time, all there is certain impact for performance and used life in the off circuit tap changer of overheated running, will reduce service behaviour and the useful life of off circuit tap changer.
Utility model content
The purpose of this utility model is defect for prior art and deficiency, there is provided a kind of structure simple, a kind of off circuit tap changer reasonable in design, easy to use, it adopts cavity of resorption to be provided with fin, and epicoele is provided with foaming body heating panel, can accelerate heat and distribute, and it has easy to use, simple to operate, structure is simple, the features such as practicality is good.
For achieving the above object, the technical solution adopted in the utility model is:
Described in the utility model
A kind of off circuit tap changer, it is characterized in that: it comprises shell 1, epicoele 2 and cavity of resorption 3 is provided with in described shell 1, dividing plate 4 is provided with between described epicoele 2 and cavity of resorption 3, magnetic block 6 is provided with in described cavity of resorption 3, described magnetic block 6 is connected with the contiguous block 9 of outside, described contiguous block 9 upper end is provided with binding post 8 and knob 7, described epicoele 2 is provided with cover plate 5, rotating shaft 11 lower end connects magnetic block 6, and through dividing plate 4 and cover plate 5, described rotating shaft 11 top arranges swing handle 10, fin 301 is provided with in described cavity of resorption 3, described epicoele 2 upper end is provided with foaming body heating panel 201.
Preferably, a kind of off circuit tap changer according to claim 1, it is characterized in that: described magnetic block 6 comprises one-level post 14, two stage column 15 and three grades of posts 16, described one-level post 14, two stage column 15 and three grades of posts 16 are triangular in shape, and inside is provided with louvre block 17.
Preferably, described fin 301 is elastic heat dissipating sheet.
Preferably, described elastic heat dissipating sheet is provided with installing hole; Described elastic heat dissipating sheet is arranged in described cavity of resorption 3 by the installed part coordinated with described installing hole; Described elastic heat dissipating sheet when being arranged at by installed part in described cavity of resorption 3, the deformation by the effect of installed part.
Preferably, described fin 301 is pasted on the inwall of described cavity of resorption 3 by heat-conducting cream.
Preferably, described foaming body heating panel 201 is arranged at the upper end of described epicoele 2, is close to described cover plate 5.
Preferably, described foaming body heating panel 201 is reserved with the through hole holding described rotating shaft and pass through.
Preferably, described cover plate 5 is provided with rubber sleeve 12, described rubber sleeve 12 is socketed in rotating shaft 11.
Preferably, described shell 1 lower end is provided with support 13.
After adopting said structure, the utility model beneficial effect is: its employing cavity of resorption of the utility model is provided with fin, and epicoele is provided with foaming body heating panel, can accelerate heat to distribute, and it has easy to use, simple to operate, structure is simple, the features such as practicality is good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram of magnetic block.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As depicted in figs. 1 and 2, a kind of off circuit tap changer described in the utility model, comprise shell 1, epicoele 2 and cavity of resorption 3 is provided with in described shell 1, dividing plate 4 is provided with between described epicoele 2 and cavity of resorption 3, magnetic block 6 is provided with in described cavity of resorption 3, described magnetic block 6 is connected with the contiguous block 9 of outside, described contiguous block 9 upper end is provided with binding post 8 and knob 7, described epicoele 2 is provided with cover plate 5, rotating shaft 11 lower end connects magnetic block 6, and through dividing plate 4 and cover plate 5, described rotating shaft 11 top arranges swing handle 10, fin 301 is provided with in described cavity of resorption 3, described epicoele 2 upper end is provided with foaming body heating panel 201.
Described magnetic block 6 comprises one-level post 14, two stage column 15 and three grades of posts 16, and described one-level post 14, two stage column 15 and three grades of posts 16 are triangular in shape, and inside is provided with louvre block 17.
Optionally, fin can use rigidity fin also can select elastic heat dissipating sheet; When fin 301 is arranged in cavity of resorption 3, the heat that fin should be made to conduct can be taken out of the housing exterior of off circuit tap changer; Therefore fin is when arranging, and a heat transfer face at least should be had to connect with the inwall of cavity of resorption 3, and the inwall of the cavity of resorption that the heat conducted to make fin can be connected by heat transfer face, is transmitted to outside the shell of off circuit tap changer;
Preferably, fin 301 can be close to the inwall setting of cavity of resorption 3.
Optionally, fin 301 can be elastic heat dissipating sheet, and elastic heat dissipating sheet when mounted, by installing the influence of crust deformation of force to elastic heat dissipating sheet, judges that elastic heat dissipating sheet has been installed firmly;
Optionally, elastic heat dissipating sheet can arrange installing hole, and installing hole can coordinate with installed part (as screw etc.), makes elastic heat dissipating sheet be arranged in cavity of resorption; Concrete, elastic heat dissipating sheet is when arranging, and the installed part by coordinating with described installing hole is arranged in described cavity of resorption, and described elastic heat dissipating sheet is when being arranged in described cavity of resorption by installed part, the deformation by the effect of installed part, thus judge that elastic heat dissipating sheet has been installed firmly.
Optionally, fin (comprising rigidity fin and elastic heat dissipating sheet) also Pasting in the inwall of cavity of resorption;
Preferably, the viscose glue pasting fin used can adopt the good viscose glue of thermal conductivity, as heat-conducting cream; Concrete, when pasting fin, fin is pasted on the inwall of cavity of resorption by heat-conducting cream.
Optionally, foaming body heating panel 201 can be arranged at the upper end of epicoele 2, is close to cover plate 5;
Optionally, owing to being also provided with the rotating shaft 11 running through epicoele 2 and cavity of resorption 3 in off circuit tap changer, therefore foaming body heating panel 201 also can be reserved with the through hole holding rotating shaft 11 and pass through;
Preferably, because the coefficient of friction of the material of foaming body heating panel may be comparatively large, when rotating shaft 11 is rotated by the through hole that foaming body heating panel is reserved, rotating shaft 11 may have certain friction with the inwall of through hole, thus affects the rotation of rotating shaft 11; Therefore can arrange the rubber sleeve being close to through hole in the through hole that foaming body heating panel is reserved, be socketed rotating shaft 11 by this rubber sleeve, the through-hole wall avoiding rotating shaft 11 reserved with foaming body heating panel directly contacts, and reduces the rotation impact of countershaft 11.
Optionally, cover plate 5 can be provided with rubber sleeve 12 (rubber sleeve arranged in the through hole that rubber sleeve 12 herein and foaming body heating panel are reserved is not same parts, but can be the rubber sleeve of same type), described rubber sleeve 12 is socketed in rotating shaft 11.
Optionally, shell 1 lower end can be provided with support 13.
The utility model adopts cavity of resorption to be provided with fin, and epicoele is provided with foaming body heating panel, can accelerate heat and distribute, the setting party of cover plate dismounting, rubber sleeve is set simultaneously, can insulating effect, also prevent friction, contribute to Long-Time Service, bottom is provided with support simultaneously, can play a supporting role, adopt in magnetic block and louvre block is set, the heat radiation of one-level post, two stage column and three grades of posts can be contributed to, and it has easy to use, simple to operate, structure is simple, the features such as practicality is good.
The above is only better embodiment of the present utility model, therefore all equivalences done according to structure, feature and the principle described in the utility model patent claim change or modify, and are included in the utility model patent claim.
Claims (9)
1. an off circuit tap changer, it is characterized in that: it comprises shell (1), epicoele (2) and cavity of resorption (3) is provided with in described shell (1), dividing plate (4) is provided with between described epicoele (2) and cavity of resorption (3), magnetic block (6) is provided with in described cavity of resorption (3), described magnetic block (6) is connected with outside contiguous block (9), described contiguous block (9) upper end is provided with binding post (8) and knob (7), described epicoele (2) is provided with cover plate (5), rotating shaft (11) lower end connects magnetic block (6), and through dividing plate (4) and cover plate (5), described rotating shaft (11) top arranges swing handle (10), fin (301) is provided with in described cavity of resorption (3), described epicoele (2) upper end is provided with foaming body heating panel (201).
2. a kind of off circuit tap changer according to claim 1, it is characterized in that: described magnetic block (6) comprises one-level post (14), two stage column (15) and three grades of posts (16), described one-level post (14), two stage column (15) and three grades of posts (16) are triangular in shape, and inside is provided with louvre block (17).
3. off circuit tap changer according to claim 2, is characterized in that: described fin (301) is elastic heat dissipating sheet.
4. off circuit tap changer according to claim 3, is characterized in that: described elastic heat dissipating sheet is provided with installing hole; Described elastic heat dissipating sheet is arranged in described cavity of resorption (3) by the installed part coordinated with described installing hole; Described elastic heat dissipating sheet when being arranged at by installed part in described cavity of resorption (3), the deformation by the effect of installed part.
5. off circuit tap changer according to claim 1 and 2, is characterized in that: described fin is pasted on the inwall of described cavity of resorption (3) by heat-conducting cream.
6. off circuit tap changer according to claim 1, is characterized in that: described foaming body heating panel (201) is arranged at the upper end of described epicoele (2), is close to described cover plate (5).
7. off circuit tap changer according to claim 6, is characterized in that: described foaming body heating panel (201) is reserved with the through hole holding described rotating shaft and pass through.
8. off circuit tap changer according to claim 1, is characterized in that: described cover plate (5) is provided with rubber sleeve (12), and described rubber sleeve (12) is socketed in rotating shaft (11).
9. off circuit tap changer according to claim 1, is characterized in that: described shell (1) lower end is provided with support (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520733050.0U CN205211608U (en) | 2015-09-16 | 2015-09-16 | Off -circuit tap changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520733050.0U CN205211608U (en) | 2015-09-16 | 2015-09-16 | Off -circuit tap changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205211608U true CN205211608U (en) | 2016-05-04 |
Family
ID=55849308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520733050.0U Expired - Fee Related CN205211608U (en) | 2015-09-16 | 2015-09-16 | Off -circuit tap changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205211608U (en) |
-
2015
- 2015-09-16 CN CN201520733050.0U patent/CN205211608U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 |