CN201984150U - Full-loop power-frequency AC high-voltage electroscope - Google Patents
Full-loop power-frequency AC high-voltage electroscope Download PDFInfo
- Publication number
- CN201984150U CN201984150U CN2011200304600U CN201120030460U CN201984150U CN 201984150 U CN201984150 U CN 201984150U CN 2011200304600 U CN2011200304600 U CN 2011200304600U CN 201120030460 U CN201120030460 U CN 201120030460U CN 201984150 U CN201984150 U CN 201984150U
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- circuit module
- electroscope
- high pressure
- voltage
- pressure sample
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Abstract
The utility model relates to an electroscope for detecting AC high voltage, particularly to a full-loop power-frequency AC high-voltage electroscope. Under the control of a main-control unit (1), the electroscope comprises a high-voltage sampling circuit module (2), a trigger circuit module (3), a sound and light alarm circuit module (4), an undervoltage detection circuit module (5), and a sinusoidal wave voltage generator circuit module (6), wherein the output end of the sinusoidal wave voltage generator circuit module (6) forms the electric connection with the end part at the lower end of a probe of the electroscope. Through the adoption of the technical scheme, all the circuits of the electroscope are detected, the safety of working personnel is guaranteed more effectively and reliably, and the problem that the DC self-checking circuit of the conventional AC high-voltage electroscope is incomplete in detection is solved.
Description
Technical field
The utility model relates to a kind of electroscope that ac high-voltage is detected, especially a kind of full loop industrial frequency AC high voltage electroscope.
Background technology
Common electroscope probe detection contact high voltage magnetic field, through behind the resistance decrement after capacitance partial pressure or AC low-tension magnetic field, become dc low-voltage through diode rectification again, just meet the working line of dc-battery.Common galvanoscopic self-checking unit is to connect start battery DC line working portion (sound and light alarm) by self-test switch, and the alternating current circuit part of crucial DC line front end is not detected, therefore, the detection of high pressure sample circuit can not be finished, galvanoscopic quality can not be effectively guaranteed.
The utility model content
For solving the deficiencies in the prior art, the utility model provides a kind of can the realization that the ac high-voltage electroscope is realized the full loop industrial frequency AC high voltage electroscope of full loop self check to prevent that mishap from taking place.
For achieving the above object, full loop industrial frequency AC high voltage electroscope of the present utility model, under the control of main control unit, comprise high pressure sample circuit module, the trigger circuit module that links to each other with high pressure sample circuit module output terminal, sound light alarming circuit module that links to each other with trigger circuit module output terminal and the undervoltage detection circuit module that links to each other with sound light alarming circuit module by signal input end, be connected with at the signal input part of high pressure sample circuit module and can produce sinusoidal wave power frequency component, and this signal is input to high pressure sample circuit module sine voltage generator circuit module, the output terminal of described sine voltage generator circuit module forms with the end, lower end of electroscope probe and is electrically connected.
As the further qualification to aforesaid way, described sine voltage generator circuit module produces the sinusoidal wave power frequency component of 50HZ.
Adopt technique scheme, on the basis of existing electroscope structure, circuit pack is surveyed in the interchange that galvanoscopic self-checking function is increased to the electroscope front end, promptly to galvanoscopic self check, be to produce a pure sine wave power frequency component by the inner 50Hz sine voltage of electroscope generator circuit module, and this signal is directly inputted to galvanoscopic high pressure sample circuit module triggers the undervoltage detection circuit module, the sound light alarming circuit module, thereby realized galvanoscopic high pressure sample circuit module, the undervoltage detection circuit module, the detection of whole circuit of sound light alarming circuit module, more effective personal safety of guaranteeing the staff has reliably solved the galvanoscopic direct current self-checking circuit of existing ac high-voltage and has had problems such as check imperfection.
Description of drawings
Below in conjunction with the drawings and the specific embodiments the utility model is done further to describe in detail:
Fig. 1 is an one-piece construction functional block diagram of the present utility model.
Among the figure:
1, main control unit; 2, high pressure sample circuit module; 3, trigger circuit module; 4, sound light alarming circuit module; 5, undervoltage detection circuit module; 6, sine voltage generator circuit module.
Embodiment
Particular content of the present utility model relates generally to galvanoscopic circuit part, its concrete electroscope structure is identical with existing electroscope, as electroscope housing, self check pilot lamp, under-voltage pilot lamp, self check button, probe and control lever etc., all belong to content of the prior art, do not repeat them here.The circuit part content that only the utility model is related to is narrated below.
As shown in Figure 1 as can be known, full loop industrial frequency AC high voltage electroscope of the present utility model, under the control of main control unit 1, comprise high pressure sample circuit module 2, the trigger circuit module 3 that links to each other with high pressure sample circuit module 2 output terminals, sound light alarming circuit module 4 that links to each other with trigger circuit module 3 output terminals and the undervoltage detection circuit module 5 that links to each other with sound light alarming circuit module 4 signal input parts, be connected with at the signal input part of high pressure sample circuit module 2 and can produce sinusoidal wave power frequency component, and this signal is input to the 50HZ sine voltage generator circuit module 6 of high pressure sample circuit module 2, the output terminal of described sine voltage generator circuit module 6 forms with the end, lower end of electroscope probe and is electrically connected.
In the above-mentioned technical description, the topmost improvements of the utility model are to have set up sine voltage generator circuit module 6 between main control unit 1 and high pressure sample circuit module 2, and other circuit modules all can adopt existing circuit design.Main thought of the present invention is on the basis of existing electroscope structure; circuit pack is surveyed in the interchange that galvanoscopic self-checking function is increased to the electroscope front end; in concrete actual mechanical process, may change to some extent; but, all belong to protection domain of the present utility model as long as adopt design concept of the present utility model.
Claims (2)
1. full loop industrial frequency AC high voltage electroscope, under the control of main control unit (1), comprise high pressure sample circuit module (2), the trigger circuit module (3) that links to each other with high pressure sample circuit module (2) output terminal, sound light alarming circuit module (4) that links to each other with trigger circuit module (3) output terminal and the undervoltage detection circuit module (5) that links to each other with sound light alarming circuit module (4) signal input part, it is characterized in that: be connected with at the signal input part of high pressure sample circuit module (2) and can produce sinusoidal wave power frequency component, and this signal is input to the sine voltage generator circuit module (6) of high pressure sample circuit module (2), the output terminal of described sine voltage generator circuit module (6) forms with the end, lower end of electroscope probe and is electrically connected.
2. full loop industrial frequency AC high voltage electroscope according to claim 1 is characterized in that: described sine voltage generator circuit module (6) produces the sinusoidal wave power frequency component of 50HZ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200304600U CN201984150U (en) | 2011-01-28 | 2011-01-28 | Full-loop power-frequency AC high-voltage electroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200304600U CN201984150U (en) | 2011-01-28 | 2011-01-28 | Full-loop power-frequency AC high-voltage electroscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201984150U true CN201984150U (en) | 2011-09-21 |
Family
ID=44611608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200304600U Expired - Fee Related CN201984150U (en) | 2011-01-28 | 2011-01-28 | Full-loop power-frequency AC high-voltage electroscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201984150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336168A (en) * | 2013-06-29 | 2013-10-02 | 国家电网公司 | Full-loop alternating-current self-test high-voltage electroscope |
-
2011
- 2011-01-28 CN CN2011200304600U patent/CN201984150U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336168A (en) * | 2013-06-29 | 2013-10-02 | 国家电网公司 | Full-loop alternating-current self-test high-voltage electroscope |
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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 |
Granted publication date: 20110921 Termination date: 20190128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |