CN204008819U - A kind of contact high voltage electroscope with digital display function - Google Patents
A kind of contact high voltage electroscope with digital display function Download PDFInfo
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- CN204008819U CN204008819U CN201420283226.2U CN201420283226U CN204008819U CN 204008819 U CN204008819 U CN 204008819U CN 201420283226 U CN201420283226 U CN 201420283226U CN 204008819 U CN204008819 U CN 204008819U
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- 239000002184 metal Substances 0.000 claims abstract description 32
- 238000009413 insulation Methods 0.000 claims abstract description 20
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 238000007689 inspection Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000012795 verification Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model relates to high voltage testing technical field, relates in particular to a kind of contact high voltage electroscope with digital display function.This contact high voltage electroscope with digital display function comprises insulation unit, be arranged on Metal Contact unit and display screen on insulation unit, and be arranged on the HIGH PRESSURE TREATMENT indicating member of insulation in unit, digital display unit and sound light alarming circuit unit, Metal Contact unit is connected with HIGH PRESSURE TREATMENT indicating member respectively with digital display unit, metal contact detects that current signal is after HIGH PRESSURE TREATMENT indicating member is processed, process and respond by sound light alarming circuit unit, simultaneously, because digital display unit is connected with HIGH PRESSURE TREATMENT indicating member, electric signal is processed after monitoring by digital display unit, can finally show by display screen, such electrical verification mode good stability, improve galvanoscopic anti-interference, be conducive to the safety inspection operation of electric system.
Description
Technical field
The utility model relates to high voltage testing technical field, relates in particular to a kind of contact high voltage electroscope with digital display function.
Background technology
At present, to be electric system be used for checking the whether charged a kind of instrument of electrical equipment to high voltage electroscope in the time that high-tension line and high voltage electric equipment thereof are carried out to inspection operation.Flourish along with China's power industry is also more and more higher to the requirement of managing security tools and instruments.At present, there is on the market various different principle, dissimilar 35kV high voltage electroscope, but contact high voltage electroscope does not possess voltage digital display function mostly, but electroscope based on acousto-optic type principle, under the environment such as highfield and strong daylight, easily there is the situation of false alarm in this kind of electroscope, degree of accuracy and poor stability, can threaten to electric system security staff's work and life, is unfavorable for safe operation and the maintenance of electric system.
Therefore,, for above deficiency, the utility model provides a kind of contact high voltage electroscope with digital display function.
Utility model content
(1) technical matters that will solve
The purpose of this utility model is to provide the problem that is prone to false alarm, degree of accuracy and poor stability that a kind of contact high voltage electroscope with digital display function exists to solve existing contact electroscope.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of contact high voltage electroscope with digital display function, it comprises insulation unit, is arranged on Metal Contact unit and display screen on insulation unit, and be arranged on HIGH PRESSURE TREATMENT indicating member, digital display unit and the sound light alarming circuit unit of insulation in unit, Metal Contact unit is connected with HIGH PRESSURE TREATMENT indicating member respectively with digital display unit, sound light alarming circuit unit is connected with HIGH PRESSURE TREATMENT indicating member or Metal Contact unit, and display screen is connected with digital display unit.
Wherein, described HIGH PRESSURE TREATMENT indicating member comprises the withstand voltage current limliting module, electric current Zoom module and the multi-resonant oscillating circuit module that connect successively, digital display unit is connected with withstand voltage current limliting module, and sound light alarming circuit unit is connected with multi-resonant oscillating circuit module or Metal Contact unit.
Wherein, described withstand voltage current limliting module comprises the first withstand voltage current limliting module and the second withstand voltage current limliting module that connect successively, and digital display unit is connected with the first withstand voltage current limliting module.
Wherein, described digital display unit comprises high-ratio transformer and voltage digital indicator gauge, and high-ratio transformer is connected with the first withstand voltage current limliting module, and voltage digital indicator gauge is connected on the secondary of high-ratio transformer.
Wherein, described sound light alarming circuit unit comprises the current signal collector, processor unit and the voice indicator that connect successively, and described current signal collector is connected with HIGH PRESSURE TREATMENT indicating member or Metal Contact unit.
Wherein, also comprise the pilot lamp being arranged on insulation unit, described pilot lamp is connected with processor.
Wherein, described Metal Contact unit is metal contact.
Wherein, also comprise the self-test switch unit being arranged between HIGH PRESSURE TREATMENT indicating member and sound light alarming circuit unit.
Wherein, on described insulation unit, be also connected with and hold unit
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: in the contact high voltage electroscope with digital display function that the utility model provides, Metal Contact unit is connected with HIGH PRESSURE TREATMENT indicating member respectively with digital display unit, metal contact detects that current signal is after HIGH PRESSURE TREATMENT indicating member is processed, process and respond by sound light alarming circuit unit, simultaneously, because digital display unit is connected with HIGH PRESSURE TREATMENT indicating member, voltage signal is processed after monitoring by digital display unit, can finally show by display screen, such electrical verification mode good stability, degree of accuracy is high, improve galvanoscopic anti-interference, avoid the generation of false alarm situation, be conducive to the safety inspection operation of electric system.
Brief description of the drawings
Fig. 1 is the perspective view of the contact high voltage electroscope of the utility model band digital display function.
Fig. 2 is the circuit relationships schematic diagram of the contact high voltage electroscope of the utility model band digital display function.
In figure, 1: Metal Contact unit; 2: pilot lamp; 3: self-test switch; 4: display screen; 5: insulation unit; 6: hold unit; 7: digital display unit; 8: the first withstand voltage current limliting modules; 9: the second withstand voltage current limliting modules; 10: electric current Zoom module; 12: multi-resonant oscillating circuit module; 13: sound light alarming circuit unit.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
As depicted in figs. 1 and 2, the contact high voltage electroscope with digital display function that the utility model provides, it comprises insulation unit 5, be arranged on the Metal Contact unit 1 on insulation unit 5, pilot lamp 2, self-test switch 3 and display screen 4, and be arranged on the HIGH PRESSURE TREATMENT indicating member of insulation in unit 5, digital display unit 7 and sound light alarming circuit unit 13, Metal Contact unit 1 is connected with HIGH PRESSURE TREATMENT indicating member respectively with digital display unit 7, sound light alarming circuit unit 13 is connected with HIGH PRESSURE TREATMENT indicating member or Metal Contact unit 1, display screen 4 is connected with digital display unit 7, self-test switch 3 is arranged between sound light alarming circuit unit 13 and HIGH PRESSURE TREATMENT indicating member, pilot lamp 2 is connected with sound light alarming circuit unit 13.
In technique scheme, Metal Contact unit 1 touches high-tension bus-bar, if high-tension bus-bar is charged, 1 contact of Metal Contact unit collects after current signal, this current signal is passed to HIGH PRESSURE TREATMENT indicating member, after HIGH PRESSURE TREATMENT indicating member is processed current signal, current signal after treatment is by sound light alarming circuit unit 13 acquisition process report, simultaneously, because digital display unit 7 is connected with HIGH PRESSURE TREATMENT indicating member, digital display unit 7 can show voltage signal by display screen 4, voltage signal shows by the mode of digital display, good stability, improve galvanoscopic anti-interference, be conducive to the safety inspection operation of electric system.
Particularly, described HIGH PRESSURE TREATMENT indicating member comprises the withstand voltage current limliting module, electric current Zoom module 10 and the multi-resonant oscillating circuit module 12 that connect successively, digital display unit 7 is connected with withstand voltage current limliting module, sound light alarming circuit unit 13 is connected with multi-resonant oscillating circuit module 12 or Metal Contact unit 1, described withstand voltage current limliting module comprises the first withstand voltage current limliting module 8 and the second withstand voltage current limliting module 9 that connect successively, and digital display unit 7 is connected with the first withstand voltage current limliting module 8.The first withstand voltage current limliting module 8 is that especially big resistance is R2, and the second withstand voltage current limliting module 9 comprises large resistance diode D1 and D2 and large resistance R 1 and R3, and be cascaded D1 and R1 are in parallel with the D2 being cascaded and R3; Electric current Zoom module 10 is C9012 triode; Multi-resonant oscillating circuit module 12 comprises Sheffer stroke gate, resistance and electric capacity.Particularly, sound light alarming circuit unit 13 comprises the current signal collector 6, processor unit 7 and the voice indicator 8 that connect successively, and described current signal collector 6 is connected with HIGH PRESSURE TREATMENT indicating member 2 or Metal Contact unit 1.Processor unit 7 adopts CPU to calculate.Voice indicator comprises voice broadcast module in parallel (being loudspeaker module) and pilot lamp 2 modules, and pilot lamp 2 modules are connected with processor unit.
In HIGH PRESSURE TREATMENT indicating member, by especially big resistance R 2, large resistance diode D1, D2, large resistance R 1 and R3 complete high-tension withstand voltage current-limiting function, process triode C9012 and R4, R5, R6, R7 carry out convergent-divergent to electric current again, produce the oscillator signal of certain frequency by the multi-resonant oscillating circuit module 12 of Sheffer stroke gate, resistance and electric capacity composition, finally oscillator signal is passed to sound light alarming circuit, voice broadcast module and pilot lamp 2 are worked.
Particularly, described digital display unit 7 comprises high-ratio transformer and voltage digital indicator gauge, high-ratio transformer is connected with the first withstand voltage current limliting module 8, installs the transformer of a small size large velocity ratio additional at R2 two ends, and voltage digital indicator gauge is connected on the secondary of high-ratio transformer.Especially big resistance resistance R 2 resistance with respect to large resistance R 1 and R3 is much bigger, so it is very large to concentrate on voltage on R2, and, electroscope of the present utility model greatly pressure drop concentrates on R2 two ends, so as long as a small size high-ratio transformer that is provided with a rated transformation ratio is installed at its two ends, on its secondary, connect voltage digital indicator gauge, both can realize the demonstration to tested electrical equipment voltage.Concrete voltage can obtain by conversion, and transformer voltage ratio and voltage table actual displayed numeral are surveyed voltage.
Usually, described Metal Contact unit 1 is metal contact.
Preferably, the utility model also comprises the self-test switch unit being arranged between HIGH PRESSURE TREATMENT indicating member and sound light alarming circuit unit 13, whether the self-test switch 3 of self-test switch unit is arranged on insulation unit, and then can detect sound light alarming circuit unit 13 and normally work.
Further, on described insulation unit 5, be also connected with and hold unit 6.In use, can grasp and hold unit 6, Metal Contact unit 1 is touched to high-tension bus-bar to be measured, when high-tension bus-bar is charged, Metal Contact unit 1 can collect electric signal, and by electrical signal transfer to HIGH PRESSURE TREATMENT indicating member, and then sound light alarming circuit unit 13 is collected electric signal and is carried out voice broadcast, and can show by sound light alarming circuit unit 13 pilot lamp 2 modules, meanwhile, by R
2two ends arrange high-ratio transformer, connect voltage digital indicator gauge on high-ratio transformer secondary, can realize the demonstration to tested electrical equipment voltage, and can be presented on the display screen 4 on insulation unit 5.
The high voltage electroscope that is generally 35kV with the contact high voltage electroscope of digital display function of the present utility model.
In sum, the contact high voltage electroscope with digital display function that the utility model provides is by the withstand voltage current limliting module, electric current Zoom module 10 and the multi-resonant oscillating circuit module 12 that connect successively, metal contact can be detected to current signal carries out withstand voltage current limliting, convergent-divergent processing, and through multi-resonant oscillating circuit processing, finally respond by the form of voice broadcast, meanwhile, at R
2two ends arrange high-ratio transformer, connect voltage digital indicator gauge on high-ratio transformer secondary, can realize the demonstration to tested electrical equipment voltage, and electrical verification good stability has improved galvanoscopic anti-interference, are conducive to the safety inspection operation of electric system.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (9)
1. the contact high voltage electroscope with digital display function, it is characterized in that: it comprises insulation unit, is arranged on Metal Contact unit and display screen on insulation unit, and be arranged on HIGH PRESSURE TREATMENT indicating member, digital display unit and the sound light alarming circuit unit of insulation in unit, Metal Contact unit is connected with HIGH PRESSURE TREATMENT indicating member respectively with digital display unit, sound light alarming circuit unit is connected with HIGH PRESSURE TREATMENT indicating member or Metal Contact unit, and display screen is connected with digital display unit.
2. the contact high voltage electroscope with digital display function according to claim 1, it is characterized in that: described HIGH PRESSURE TREATMENT indicating member comprises the withstand voltage current limliting module, electric current Zoom module and the multi-resonant oscillating circuit module that connect successively, digital display unit is connected with withstand voltage current limliting module, and sound light alarming circuit unit is connected with multi-resonant oscillating circuit module or Metal Contact unit.
3. the contact high voltage electroscope with digital display function according to claim 2, it is characterized in that: described withstand voltage current limliting module comprises the first withstand voltage current limliting module and the second withstand voltage current limliting module that connect successively, and digital display unit is connected with the first withstand voltage current limliting module.
4. the contact high voltage electroscope with digital display function according to claim 1, it is characterized in that: described digital display unit comprises high-ratio transformer and voltage digital indicator gauge, high-ratio transformer is connected with the first withstand voltage current limliting module, and voltage digital indicator gauge is connected on the secondary of high-ratio transformer.
5. the contact high voltage electroscope with digital display function according to claim 1, it is characterized in that: described sound light alarming circuit unit comprises the current signal collector, processor unit and the voice indicator that connect successively, and described current signal collector is connected with HIGH PRESSURE TREATMENT indicating member or Metal Contact unit.
6. the contact high voltage electroscope with digital display function according to claim 5, is characterized in that: also comprise the pilot lamp being arranged on insulation unit, described pilot lamp is connected with processor.
7. the contact high voltage electroscope with digital display function according to claim 1, is characterized in that: described Metal Contact unit is metal contact.
8. the contact high voltage electroscope with digital display function according to claim 1, is characterized in that: also comprise the self-test switch unit being arranged between HIGH PRESSURE TREATMENT indicating member and sound light alarming circuit unit.
9. the contact high voltage electroscope with digital display function according to claim 1, is characterized in that: on described insulation unit, be also connected with and hold unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420283226.2U CN204008819U (en) | 2014-05-29 | 2014-05-29 | A kind of contact high voltage electroscope with digital display function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420283226.2U CN204008819U (en) | 2014-05-29 | 2014-05-29 | A kind of contact high voltage electroscope with digital display function |
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| Publication Number | Publication Date |
|---|---|
| CN204008819U true CN204008819U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420283226.2U Expired - Lifetime CN204008819U (en) | 2014-05-29 | 2014-05-29 | A kind of contact high voltage electroscope with digital display function |
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| Country | Link |
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| CN (1) | CN204008819U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532291A (en) * | 2016-12-30 | 2017-03-22 | 无锡市锡容电力电器有限公司 | High-voltage reactive compensation cabinet capacitor discharging device |
| CN107121589A (en) * | 2017-04-18 | 2017-09-01 | 国网浙江省电力公司衢州供电公司 | A kind of digital 220kV electroscope for power transmission line |
-
2014
- 2014-05-29 CN CN201420283226.2U patent/CN204008819U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532291A (en) * | 2016-12-30 | 2017-03-22 | 无锡市锡容电力电器有限公司 | High-voltage reactive compensation cabinet capacitor discharging device |
| CN107121589A (en) * | 2017-04-18 | 2017-09-01 | 国网浙江省电力公司衢州供电公司 | A kind of digital 220kV electroscope for power transmission line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |