CN203300412U - On-load capacitance adjusting switch high voltage primary loop structure - Google Patents
On-load capacitance adjusting switch high voltage primary loop structure Download PDFInfo
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- CN203300412U CN203300412U CN2013201590257U CN201320159025U CN203300412U CN 203300412 U CN203300412 U CN 203300412U CN 2013201590257 U CN2013201590257 U CN 2013201590257U CN 201320159025 U CN201320159025 U CN 201320159025U CN 203300412 U CN203300412 U CN 203300412U
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Abstract
The utility model discloses an on-load capacitance adjusting switch high voltage primary loop structure. The on-load capacitance adjusting switch high voltage primary loop structure comprises an installation disc (1), three resistors (3), a first main contact (4), a second main contact (6), a first transition contact (8), a second transition contact (10), a first fixed contact (12), a second fixed contact (13), a third fixed contact (14) and a fourth fixed contact (15). The three resistors (3) are connected in series through resistor inserts (2), and the first fixed contact (12), the second fixed contact (13), the third fixed contact (14) and the fourth fixed contact (15) are fixed on an insulation cylinder (11) respectively. The on-load capacitance adjusting switch high voltage primary loop structure is reasonable in whole structural design and can achieve reliable quenching of arcs, the number of components of a single product is small, materials can be saved, installing steps can be simplified, the structure is easy and convenient to install, cost is saved, connecting wires are distributed along a groove, part of a connecting part is poured in an epoxy resin material, circuits are reasonable in layout, star angle conversion can be stably achieved, and the on-load capacitance adjusting switch high voltage primary loop structure is stable in operation, safe in using, long in service life and wide in application range.
Description
Technical field
The utility model relates to a kind of power equipment, is specifically related to a kind ofly be used to having in the situation of carrying, and regulates the loaded capacity-regulated switch high-pressure primary circuit structure of capacitance-adjustable transformer capacity according to load variations.
Background technology
Have that to carry an automatic capacity adjusting transformer be a kind ofly to have two kinds of rated capacities of size, and two kinds of distribution transformers that the rated capacity operational mode can be changed automatically.This transformer comprises housing, is arranged on high pressure winding, low pressure winding in housing, loaded capacity-regulated switch high-pressure primary circuit structure and capacity transfer control device are installed on housing, the capacity transfer control device detects and judgement customer charge size automatically, under the state that transformer does not cut off the power supply, by loaded capacity-regulated switch high-pressure primary circuit structure, above-mentioned two kinds of capacity are automatically switched, thereby realize the automatic adjusting of transformer capacity size in running.In prior art, the three-phase high-voltage winding connection way is connected into triangle when large volume load, and is connected into star when low capacity is loaded.And the loaded capacity-regulated switch high-pressure primary circuit structure of prior art has while carrying at transformer, complete the switching of Transformer Winding, while often existing the high-pressure side contact to change at the star angle, is difficult to realize the technical problem of reliable blow-out.Therefore necessary on the basis of prior art, a kind of reasonable in design of research and development design, can realize the loaded capacity-regulated switch high-pressure primary circuit constructional device that change at stable star angle.
Summary of the invention
The utility model purpose: the purpose of this utility model is in order to solve the deficiencies in the prior art, a kind of reasonable in design is provided, can realizes reliable blow-out, change at the stable star angle of completing, stable, use safety, the loaded capacity-regulated switch high-pressure primary circuit structure of long service life.
Technical scheme: in order to realize above purpose, the technical scheme that the utility model is taked is:
a kind of loaded capacity-regulated switch high-pressure primary circuit structure, it comprises: insulating disc, be fixed on 3 resistance of contacting by the resistance inserts on insulating disc, be fixed on the first main contact on insulating disc by the first contact inserts, be fixed on the second main contact on insulating disc by the second contact inserts, be fixed on First Transition contact on insulating disc by the first arcing contact inserts, be fixed on the second transition contact on insulating disc by the second arcing contact inserts, be separately fixed at the first fixed contact on insulating cylinder, the second fixed contact, the 3rd fixed contact and the 4th fixed contact, described the first fixed contact, the second fixed contact, the 3rd fixed contact and the 4th fixed contact all are connected with binding post, connection copper bar between described the first fixed contact and the second fixed contact is set in the insulating cylinder outside, the connection copper sheet that once coils inside between described the first contact inserts and the second contact inserts by being cast in high pressure is connected.
As preferred version, above-described loaded capacity-regulated switch high-pressure primary circuit structure, the resistance inserts of described two ends resistance is connected with the second transition contact with the First Transition contact by the resistance connecting line that is arranged in the insulating disc groove respectively.
The loaded capacity-regulated switch high-pressure primary circuit structure that the utility model provides, once the main connecting path on the dish is: the first main contact, the first contact inserts, connect copper sheet, the second contact inserts, the second main contact.The resistance loop path is: the First Transition contact, the first arcing contact inserts, connect wire, resistance inserts, 3 resistance (being connected by the resistance inserts between resistance), resistance inserts, connection wire, the second arcing contact inserts, the second transition contact.
Beneficial effect: compared to the prior art loaded capacity-regulated switch high-pressure described in the utility model primary circuit structure has the following advantages:
Loaded capacity-regulated switch high-pressure described in the utility model primary circuit structure, insulating disc is single-layered disk, overall construction design is reasonable, can realize reliable blow-out, the single product number of spare parts is less, but economical with materials, save installation steps, simple installation, save cost, connect wire and distribute along groove, the part coupling part is cast in the material of epoxy resin, and configuration is reasonable, change at the star angle of completing that can be stable, stable, uses safety, long service life, have wide range of applications.
Description of drawings
The structural representation of the loaded capacity-regulated switch high-pressure primary circuit structure that Fig. 1 provides for the utility model.
Fig. 2 is the first structural representation of handoff procedure from Y-connection to triangle that connect from of the utility model.
Fig. 3 is the second structural representation of handoff procedure from Y-connection to triangle that connect from of the utility model.
Fig. 4 is the 3rd structural representation of handoff procedure from Y-connection to triangle that connect from of the utility model.
Fig. 5 is the 4th structural representation of handoff procedure from Y-connection to triangle that connect from of the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment only is used for explanation the utility model and is not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
as shown in Figure 1, a kind of loaded capacity-regulated switch high-pressure primary circuit structure, it comprises: insulating disc (1), be fixed on upper 3 resistance (3) by resistance inserts (2) series winding of insulating disc (1), be fixed on the first main contact (4) on insulating disc (1) by the first contact inserts (3), be fixed on the second main contact (6) on insulating disc (1) by the second contact inserts (5), be fixed on First Transition contact (8) on insulating disc (1) by the first arcing contact inserts (7), be fixed on the second transition contact (10) on insulating disc (1) by the second arcing contact inserts (9), be separately fixed at the first fixed contact (12) on insulating cylinder (11), the second fixed contact (13), the 3rd fixed contact (14) and the 4th fixed contact (15), described the first fixed contact (12), the second fixed contact (13), the 3rd fixed contact (14) and the 4th fixed contact (15) all are connected with binding post (16), connection copper bar (17) between described the first fixed contact (12) and the second fixed contact (13) is set in insulating cylinder (11) outside, be connected by connecting copper sheet (18) between described the first contact inserts (3) and the second contact inserts (5).
Above-described loaded capacity-regulated switch high-pressure primary circuit structure, the resistance inserts (2) of 2 resistance (3) at described two ends are connected with the first contact inserts (3) with the first contact inserts (3) by the resistance connecting line that is arranged in insulating disc (1) groove respectively.
The loaded capacity-regulated switch high-pressure that the utility model provides once coil service position and operation principle:
Take handoff procedure from Y-connection to triangle that connect from as example, when needs change transformer capacity, high pressure once coils and clockwise rotates, as shown in Figure 2, First Transition contact (8) is connected with the second fixed contact (13), the second transition contact (10) is connected with the 4th fixed contact (15), and the first main contact (4) not exclusively separates with the first fixed contact (12), and the second main contact (6) not exclusively separates with the 3rd fixed contact (14).Be coupled to circuit with resistance string this moment, and major loop does not disconnect simultaneously.High pressure once coils and continues to clockwise rotate, as shown in Figure 3, the first main contact (4) and the first fixed contact (12) break away from, the second main contact (6) and the 3rd fixed contact (14) break away from, First Transition contact (8) contacts fully with the second fixed contact (13), the second transition contact (10) contacts fully with the 4th fixed contact (15), and this moment, major loop disconnected, and resistance loop accesses fully.High pressure once coils and continues rotation, as shown in Figure 4, the first main contact (4) is connected with the second fixed contact (13), the second main contact (6) is connected with the 4th fixed contact (15), First Transition contact (8) does not break away from fully with the second fixed contact (13), the second transition contact (10) breaks away from fully with the 4th fixed contact (15), at this moment major loop and resistance loop while place in circuit.High pressure once coils and continues to clockwise rotate, as shown in Figure 5, the second transition contact (10) breaks away from the second fixed contact (13), the second transition contact (10) breaks away from the 4th fixed contact (15), the first main contact (4) contacts fully with the second fixed contact (13), and the second main contact (6) contacts fully with the 4th fixed contact (15), and major loop accesses fully, this moment, resistance loop disconnected fully, and Y-connection finishes fully to the handoff procedure that triangle connects.
Fully opposite with the handoff procedure that connects from Y-connection to triangle to the process of Y-connection by the triangle connection, omit this process at this.
The above is only preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (2)
1. loaded capacity-regulated switch high-pressure primary circuit structure, it is characterized in that, it comprises: insulating disc (1), be fixed on upper 3 resistance (3) by resistance inserts (2) series winding of insulating disc (1), be fixed on the first main contact (4) on insulating disc (1) by the first contact inserts (3), be fixed on the second main contact (6) on insulating disc (1) by the second contact inserts (5), be fixed on First Transition contact (8) on insulating disc (1) by the first arcing contact inserts (7), be fixed on the second transition contact (10) on insulating disc (1) by the second arcing contact inserts (9), be separately fixed at the first fixed contact (12) on insulating cylinder (11), the second fixed contact (13), the 3rd fixed contact (14) and the 4th fixed contact (15), described the first fixed contact (12), the second fixed contact (13), the 3rd fixed contact (14) and the 4th fixed contact (15) all are connected with binding post (16), connection copper bar (17) between described the first fixed contact (12) and the second fixed contact (13) is set in insulating cylinder (11) outside, the connection copper sheet (18) that once coils inside between described the first contact inserts (3) and the second contact inserts (5) by being cast in high pressure is connected.
2. loaded capacity-regulated switch high-pressure according to claim 1 primary circuit structure, it is characterized in that, the resistance inserts (2) of 2 resistance (3) at described two ends is connected with the first contact inserts (3) with the first contact inserts (3) by the resistance connecting line that is arranged in insulating disc (1) groove respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201590257U CN203300412U (en) | 2013-04-02 | 2013-04-02 | On-load capacitance adjusting switch high voltage primary loop structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201590257U CN203300412U (en) | 2013-04-02 | 2013-04-02 | On-load capacitance adjusting switch high voltage primary loop structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203300412U true CN203300412U (en) | 2013-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201590257U Expired - Fee Related CN203300412U (en) | 2013-04-02 | 2013-04-02 | On-load capacitance adjusting switch high voltage primary loop structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203300412U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103177861A (en) * | 2013-04-02 | 2013-06-26 | 江苏硕德开关有限公司 | On-load capacity-adjusting switch high voltage primary loop structure |
| CN109950069A (en) * | 2017-12-20 | 2019-06-28 | 双城市国开电气制造有限公司 | Pressure regulation, capacitance-adjustable tap contact |
-
2013
- 2013-04-02 CN CN2013201590257U patent/CN203300412U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103177861A (en) * | 2013-04-02 | 2013-06-26 | 江苏硕德开关有限公司 | On-load capacity-adjusting switch high voltage primary loop structure |
| CN109950069A (en) * | 2017-12-20 | 2019-06-28 | 双城市国开电气制造有限公司 | Pressure regulation, capacitance-adjustable tap contact |
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| 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: 20131120 Termination date: 20190402 |