CN204375514U - The high-power impact noninductive resistance of a kind of novel high-pressure - Google Patents
The high-power impact noninductive resistance of a kind of novel high-pressure Download PDFInfo
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- CN204375514U CN204375514U CN201420774497.8U CN201420774497U CN204375514U CN 204375514 U CN204375514 U CN 204375514U CN 201420774497 U CN201420774497 U CN 201420774497U CN 204375514 U CN204375514 U CN 204375514U
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- resistance
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Abstract
The utility model discloses the high-power impact noninductive resistance of a kind of novel high-pressure, be made up of single chip resistance 1, stationary contact bracket, stationary contact bracket 2, fixed contact 3, composite material insulator 4, support foundation 5, pneumatic plug-in strip 6, moving contact 7, braiding resistor disc 8, insulating support rod 9, linkage 10, metal connecting sheet 11, empire silk 12, nickel filament 13, insulating bar 14, control the parallel connection of single chip resistance 1 by pneumatic plug-in strip 6.Braiding resistor disc 8 is connected with moving contact 7, and braiding resistor disc 8 is fixed on insulating support rod 9 with moving contact 7, is connected with pneumatic plug-in strip 6 by linkage 10.Braiding resistor disc 8 is equidistantly woven on empire silk 12 by nickel filament 13.This resistance has large, the high voltage bearing feature of power, cost low and be easy to realize.
Description
Technical field
The utility model relates to the high-power impact noninductive resistance of a kind of novel high-pressure, is applicable to 550kV and following electric pressure, belongs to high-tension testing apparatus technical field.
Background technology
High-power impact noninductive resistance is widely used in high pressure detection, high voltage test loop and electric power system, because in high voltage test loop, resistance self will bear high-frequency oscillation voltage and impact thermal power, moment, heat was up to hundreds of kilojoule, very easily cause the problem such as resistance edge flashing and resistance wire fusing, great risk is brought to electric power system, in addition ohmically stray inductance can disturb whole system because causing high frequency spurs, how to reduce stray inductance and also brings extreme difficulties to the design of resistance.
The current domestic high-power impact noninductive resistance seldom having the voltage levels meeting system requirements is completely all generally be confined within experimental study scope, and expensive, can not meet practical application request.
For solving the problem, a kind of novel high-power is provided to impact noninductive resistance, resistance wire is equidistantly woven into resistor disc to reduce stray inductance, the length of careful design resistance wire spacing and resistance pieces of fabric prevents resistance edge flashing, by multiple establishment sheet parallel connection being born the impact in short-term of big current.
Utility model content
The purpose of this utility model is to provide a kind of high-power and impacts noninductive resistance, not only with low cost, easy to use, and stray inductance is little, high voltage can be born under the impact in short-term of big current.Regulated by the parallel connection of resistance, meet the resistance required for system circuit, resistor disc is arranged on pneumatic plug-in strip, by pneumatic control, safe and reliable.
The technical solution of the utility model is: a kind of high-power impacts noninductive resistance, be made up of single chip resistance 1, stationary contact bracket 2, fixed contact 3, composite material insulator 4, support foundation 5, pneumatic plug-in strip 6, it is characterized in that: the single chip resistance 1 of multiple different resistance is in parallel, change the single chip resistance dropped into and may be combined with out required resistance value, the input of single chip resistance is realized by pneumatic plug-in strip 6 with excision, the single chip resistance dropped into is connected with fixed contact 3, stationary contact bracket 2 is supported by composite material insulator 4, and whole resistance device is installed in support foundation 5.
The further technical scheme of the utility model is: a kind of high-power impacts noninductive resistance, be made up of moving contact 7, braiding resistor disc 8, insulating support rod 9, linkage 10, it is characterized in that: braiding resistor disc 8 is connected with moving contact 7, braiding resistor disc and moving contact are fixed on insulating support rod 9, are connected with pneumatic plug-in strip by linkage 10.
Further technical scheme of the present utility model is: a kind of high-power impacts noninductive resistance, be made up of metal connecting sheet 11, empire silk 12, nickel filament 13, insulating bar 14, it is characterized in that: resistance wire is equidistantly woven on insulation silk ribbon, the material Wei Nie Chrome alloy of resistance wire, nickel road ratio is respectively 20 80 percent and percent.The diameter of resistance wire is one millimeter, described resistance wire spacing is no less than two millimeters and resistance pieces of fabric length is no less than three meters, to prevent resistance edge flashing and to puncture, both sides are fixed on insulating bar 14 guarantees not shake under electrodynamic action, and multiple resistor disc also can bear high-power impact together.
The beneficial effects of the utility model are: nickel filament is equidistantly woven into resistor disc can reduce stray inductance, and the twice that spacing is not less than nickel filament diameter prevents edge flashing.Increase thermal power by multiple resistor disc parallel connection, prevent resistance wire from fusing.The nickel filament that diameter is one millimeter, is easy to braiding, cost is low.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is single chip resistance structural representation;
Fig. 3 is braiding resistor disc structural representation;
In Fig. 1-Fig. 3: 1 be single chip resistance, 2 be stationary contact bracket, 3 be fixed contact, 4 be composite material insulator, 5 be support foundation, 6 be pneumatic plug-in strip, 7 be moving contact, 8 be insulating support rod, 10 be linkage, 11 be metal connecting sheet, 12 be nickel filament, 14 be insulating bar for empire silk 12,13 for braiding resistor disc, 9.
Embodiment
Embodiment: the high-power impact noninductive resistance of a kind of novel high-pressure, the structural representation of the utility model embodiment, single chip resistance structural representation and braiding resistor disc structural representation, respectively as shown in Figure 1, Figure 2 and Figure 3.Fig. 1 is made up of single chip resistance 1, stationary contact bracket 2, fixed contact 3, composite material insulator 4, support foundation 5, pneumatic plug-in strip 6, Fig. 2 is made up of moving contact 7, braiding resistor disc 8, insulating support rod 9, linkage 10, and Fig. 3 is made up of metal connecting sheet 11, empire silk 12, nickel filament 13, insulating bar 14.
For feature of the present utility model is described, explain further below.
As shown in Figure 1, connected in the loop by stationary contact bracket 2 and support foundation when resistance comes into operation, resistance is made up of the single chip resistance of multiple different resistance, drops into different single chip resistance parallel connections and can obtain different resistance values.Multiple single chip resistance parallel connections can also increase the power of resistance.
Below be only embody rule example of the present utility model, protection of the present utility model is not constituted any limitation.In addition to the implementation, the utility model can also have other implementation methods, as changed the length of resistance pieces of fabric; As changed the width of resistance pieces of fabric; Implement as changed the schemes such as the diameter of resistance wire.All employings are equal to the technical scheme of replacement or equivalent deformation formation, all drop within the utility model scope required for protection.
Claims (3)
1. the high-power impact noninductive resistance of novel high-pressure, by single chip resistance (1), stationary contact bracket (2), fixed contact (3), composite material insulator (4), support foundation (5), pneumatic plug-in strip (6), moving contact (7), braiding resistor disc (8), insulating support rod (9), linkage (10), metal connecting sheet (11), empire silk (12), nickel filament (13), insulating bar (14) forms, it is characterized in that, multiple single chip resistance (1) is in parallel, the number of single chip resistance in parallel controls by pneumatic plug-in strip (6).
2. the high-power impact noninductive resistance of a kind of novel high-pressure according to claim 1, it is characterized in that, braiding resistor disc (8) is connected with moving contact (7), braiding resistor disc (8) and moving contact (7) are fixed on insulating support rod (9), are connected with pneumatic plug-in strip (6) by linkage (10).
3. the high-power impact noninductive resistance of a kind of novel high-pressure according to claim 2, is characterized in that, is equidistantly woven on empire silk (12) by nickel filament (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420774497.8U CN204375514U (en) | 2014-12-08 | 2014-12-08 | The high-power impact noninductive resistance of a kind of novel high-pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420774497.8U CN204375514U (en) | 2014-12-08 | 2014-12-08 | The high-power impact noninductive resistance of a kind of novel high-pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204375514U true CN204375514U (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420774497.8U Active CN204375514U (en) | 2014-12-08 | 2014-12-08 | The high-power impact noninductive resistance of a kind of novel high-pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204375514U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170541A (en) * | 2017-06-09 | 2017-09-15 | 国网湖北省电力公司电力科学研究院 | A kind of Folding wave formula resistor |
| CN110140185A (en) * | 2017-01-16 | 2019-08-16 | 株式会社巴川制纸所 | Resistive element |
-
2014
- 2014-12-08 CN CN201420774497.8U patent/CN204375514U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110140185A (en) * | 2017-01-16 | 2019-08-16 | 株式会社巴川制纸所 | Resistive element |
| CN110140185B (en) * | 2017-01-16 | 2021-06-25 | 株式会社巴川制纸所 | Resistance element |
| CN107170541A (en) * | 2017-06-09 | 2017-09-15 | 国网湖北省电力公司电力科学研究院 | A kind of Folding wave formula resistor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |