CN104777347A - Acousto-optic electroscope with self-inspection function - Google Patents
Acousto-optic electroscope with self-inspection function Download PDFInfo
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- CN104777347A CN104777347A CN201410021471.0A CN201410021471A CN104777347A CN 104777347 A CN104777347 A CN 104777347A CN 201410021471 A CN201410021471 A CN 201410021471A CN 104777347 A CN104777347 A CN 104777347A
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Abstract
The invention belongs to the technical field of low-voltage power supply electroscopes, and particularly relates to an acousto-optic electroscope with a self-inspection function. The acousto-optic electroscope comprises a shell, wherein an electroscopic circuit board is arranged on the shell, and is connected with an insulated electrode; an electroscopic circuit, a power supply unit for providing working power for the electroscopic circuit and a loop self-inspection unit are arranged on the electroscopic circuit board; the input end of the loop self-inspection unit is connected with the insulated electrode, and the output end of the loop self-inspection unit is connected with the power supply unit. According to the acousto-optic electroscope, the loop self-inspection unit is arranged, and can be used for inspecting the working state of the electroscope to judge whether the electroscope is available or not before the electroscope is used, so that the occurrence of an accident caused by inaccurate electrical inspection due to damage to the electroscope is prevented.
Description
Technical field
The invention belongs to low-voltage power supply electroscopic device technical field, be specifically related to a kind of acoustooptical electroscope with self-checking function.
Background technology
Electroscope, as a kind of electrical verification instrument, is widely used in power industry, and available being convenient for people to carries out electrical verification detection to alive circuit or object, guarantees personal safety.But current electroscope does not generally have self-checking unit, whether the good state examined is in for electroscope, cannot clearly knows, normal electrical verification cannot be realized because electroscope damages sometimes and cause some unnecessary accidents to occur.
Summary of the invention
The object of the invention is to solve the problems of the technologies described above and a kind of acoustooptical electroscope with self-checking function is provided.
For achieving the above object, the present invention is by the following technical solutions:
A kind of acoustooptical electroscope with self-checking function, comprise housing, electrical circuit inspection plate is provided with in described housing, described electrical circuit inspection plate connects insulating electrode, described electrical circuit inspection plate is provided with electrical circuit inspection, for described electrical circuit inspection provides power supply unit and the loop self-test unit of working power, the input end of described loop self-test unit is connected with described insulating electrode, and output terminal is connected with described power supply unit.
Described electrical circuit inspection comprises the signal adjustment circuit unit that input end is connected with described insulating electrode, the input end of the output terminal connection signal amplifying unit of described signal adjustment circuit unit, and the output terminal of described signal amplification unit connects acoustic-optic indicator unit.
Described power supply unit is connected with described signal amplification unit.
Described power supply unit is battery.
The present invention by being provided with electrical circuit inspection plate in housing, described electrical circuit inspection plate connects insulating electrode, described electrical circuit inspection plate is provided with electrical circuit inspection, the power supply unit providing working power for described electrical circuit inspection and loop self-test unit, the input end of described loop self-test unit is connected with described insulating electrode, output terminal is connected with described power supply unit, make this acoustooptical electroscope structure simple, and can effectively carry out electrical verification result and indicate.
Accompanying drawing explanation
Figure 1 shows that the electrical block diagram of the acoustooptical electroscope that the embodiment of the present invention provides.
Embodiment
Below, in conjunction with example, substantive distinguishing features of the present invention and advantage are further described, but the present invention is not limited to listed embodiment.
Refer to Fig. 1, a kind of acoustooptical electroscope with self-checking function, comprise housing, electrical circuit inspection plate is provided with in described housing, described electrical circuit inspection plate connects insulating electrode, and described electrical circuit inspection plate is provided with electrical circuit inspection, for described electrical circuit inspection provides power supply unit and the loop self-test unit of working power, the input end of described loop self-test unit is connected with described insulating electrode, and output terminal is connected with described power supply unit.
By being provided with loop self-test unit, can facilitate and check galvanoscopic duty before use, whether well available, if existing problems, then by described acoustic-optic indicator unit prompting, carrying out maintenance and self-inspection is qualified can use, prevent to cause because electroscope damages electrical verification can not and cause the generation of accident.
Described electrical circuit inspection comprises the signal adjustment circuit unit that input end is connected with described insulating electrode, the input end of the output terminal connection signal amplifying unit of described signal adjustment circuit unit, and the output terminal of described signal amplification unit connects acoustic-optic indicator unit.
Described signal adjustment circuit unit is used for being undertaken adjusting be shaped to stable signal by being passed the signal of coming by described insulating electrode, then after described signal amplification unit correspondingly amplifies, export acoustic-optic indicator unit to, carry out acoustic-optic indicator by described acoustic-optic indicator unit.
Described acoustic-optic indicator unit comprises display lamp and alarm, and described display lamp can adopt LED, and described alarm can adopt piezoelectric ceramic piece or speech chip.
Wherein, described power supply unit is connected with described signal amplification unit.
Described power supply unit is battery.
The present invention by being provided with electrical circuit inspection plate in housing, described electrical circuit inspection plate connects insulating electrode, described electrical circuit inspection plate is provided with electrical circuit inspection, for described electrical circuit inspection provides power supply unit and the loop self-test unit of working power, the input end of described loop self-test unit is connected with described insulating electrode, output terminal is connected with described power supply unit, conveniently check galvanoscopic duty before use, whether can use, prevent to cause because electroscope damages electrical verification can not and cause the generation of accident.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. one kind has the acoustooptical electroscope of self-checking function, it is characterized in that, comprise housing, electrical circuit inspection plate is provided with in described housing, described electrical circuit inspection plate connects insulating electrode, described electrical circuit inspection plate is provided with electrical circuit inspection, and for described electrical circuit inspection provides power supply unit and the loop self-test unit of working power, the input end of described loop self-test unit is connected with described insulating electrode, output terminal is connected with described power supply unit.
2. acoustooptical electroscope according to claim 1, it is characterized in that, described electrical circuit inspection comprises the signal adjustment circuit unit that input end is connected with described insulating electrode, the input end of the output terminal connection signal amplifying unit of described signal adjustment circuit unit, the output terminal of described signal amplification unit connects acoustic-optic indicator unit.
3. acoustooptical electroscope according to claim 2, it is characterized in that, described power supply unit is connected with described signal amplification unit.
4. acoustooptical electroscope according to claim 3, it is characterized in that, described power supply unit is battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410021471.0A CN104777347A (en) | 2014-01-15 | 2014-01-15 | Acousto-optic electroscope with self-inspection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410021471.0A CN104777347A (en) | 2014-01-15 | 2014-01-15 | Acousto-optic electroscope with self-inspection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104777347A true CN104777347A (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410021471.0A Pending CN104777347A (en) | 2014-01-15 | 2014-01-15 | Acousto-optic electroscope with self-inspection function |
Country Status (1)
| Country | Link |
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| CN (1) | CN104777347A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017133019A1 (en) * | 2016-02-06 | 2017-08-10 | 深圳华盛昌机械实业有限公司 | Inductive test pencil and usage method therefor |
-
2014
- 2014-01-15 CN CN201410021471.0A patent/CN104777347A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017133019A1 (en) * | 2016-02-06 | 2017-08-10 | 深圳华盛昌机械实业有限公司 | Inductive test pencil and usage method therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150715 |
|
| WD01 | Invention patent application deemed withdrawn after publication |