CN202548200U - Photoelectric type high-voltage potential indicator - Google Patents
Photoelectric type high-voltage potential indicator Download PDFInfo
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- CN202548200U CN202548200U CN2012201994010U CN201220199401U CN202548200U CN 202548200 U CN202548200 U CN 202548200U CN 2012201994010 U CN2012201994010 U CN 2012201994010U CN 201220199401 U CN201220199401 U CN 201220199401U CN 202548200 U CN202548200 U CN 202548200U
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- light emitting
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Abstract
The utility model relates to a photoelectric type high-voltage potential indicator to effectively solve the problem that the existing high-voltage potential indicator is not safe and is short in service life. The technical scheme for solving the problem is that the photoelectric type high-voltage potential indicator comprises a sampler and a host, wherein the sampler is composed of an induction circuit block and a sampling coil in the induction circuit block; an induction circuit is arranged in the induction circuit block; the host is composed of a host case and a host circuit in the host case; the front end face of the host case is provided with three light emitting diodes which are connected with the host circuit, the rear end part of the host case is provided with a host optical fiber connector which is connected with the host circuit, the induction circuit block is provided with an induction optical fiber connector which is connected with the induction circuit, the sampler is connected with the host by an optical fiber, and the rear end of the host case is provided with a control circuit connector. The photoelectric type high-voltage potential indicator has a novel and unique structure, is safe and convenient to use, has a long service life, and is an innovation for the high-voltage potential indicators.
Description
One, technical field
The utility model relates to voltage check device, particularly a kind of photo-electric high-voltage potential indicator.
Two, background technology
At present, the structure of the existing procucts of widespread usage is on the market: the electric capacity of sensor and display is used 1.5mm
2Cable connects, and forms series connection and divides hydraulic circuit, gathers the voltage signal of high tension loop; As charged indication and forced blocking function source driving signal, its principle of work is that sensor internal is installed the electric capacity plug; One end directly connects high tension loop; The other end is connected with the secondary connection end of sensor, is connected to cable to show charged situation on the display and realize the forced blocking function that its shortcoming is again
1, owing to adopted cable directly to connect " electricity-" mode of sensor and display, high pressure and low pressure are unrealized and isolate completely, exist unavoidable potential safety hazard.Violated voltage display in International Electrotechnical Commission " IEC61243-5 (the 1997-060) " standard display panel must and electric signal isolation, the regulation of the safety when guaranteeing that operating personnel operate;
2, the operation under high voltage for a long time of the electric capacity in the sensor, performance is aging gradually, can not reliably show charged situation when voltage is lower than 1500V, just can not reliably drive forced blocking when voltage is lower than 5000V.As everyone knows, the voltage of 220V just can cause damage to person;
3, sensor also exists shelf depreciation, being situated between to decrease increases the accident potential that causes insulation breakdown;
4, the neon lamp pilot lamp life-span of display shorter, so the improvement on the electrification in high voltage indicating device and innovation are to need the problem that solves.
Three, summary of the invention
To above-mentioned situation, for overcoming the defective of prior art, the purpose of the utility model just provides a kind of photo-electric high-voltage potential indicator, can effectively solve the problem that existing electrification in high voltage indicating device is dangerous and serviceable life is short.
The technical scheme of its solution is; Comprise sampling thief and main frame, sampling thief is made up of the sampling coil on sensor circuit piece and the sensor circuit piece, in the sensor circuit piece sensor circuit is arranged; Main frame is made up of main case and interior host circuit thereof; The main case front end face has three light emitting diodes that link to each other with host circuit, and the main case rearward end has the main frame optical fiber interface that links to each other with host circuit, and the induction optical fiber interface that links to each other with sensor circuit is arranged on the sensor circuit piece; Sampling thief links to each other with main frame through optical fiber, and there is the operation circuit joint main case rear end.
The utility model novel structure is unique, and safe and convenient to use, long service life is the innovation on the electrification in high voltage indicating device.
Four, description of drawings
Fig. 1 is the syndeton vertical view of each parts of the utility model.
Fig. 2 is the front view of the utility model main frame.
Fig. 3 is the johning knot composition of the utility model sensor circuit.
Fig. 4 is the johning knot composition of the utility model host circuit.
Five, embodiment
Explain further details below in conjunction with the embodiment of accompanying drawing to the utility model.
Provide by Fig. 1 to Fig. 4; The utility model comprises sampling thief and main frame, and sampling thief is made up of the sampling coil 2 on sensor circuit piece 1 and the sensor circuit piece 1, in the sensor circuit piece 1 sensor circuit is arranged; Main frame is made up of main case 3 and interior host circuit thereof; Main case 3 front end faces have three light emitting diodes that link to each other with host circuit, and main case 3 rearward end have the main frame optical fiber interface 4 that links to each other with host circuit, and 1 has the induction optical fiber interface 5 that links to each other with sensor circuit on the sensor circuit piece; Sampling thief links to each other with main frame through optical fiber, and there is operation circuit joint 6 main case 3 rear ends.
In order to guarantee result of use, on the said sampling coil gib screw 7 is arranged.
Said sensor circuit comprises rectifier bridge Q1, meets inductance L and time delays device IC on the rectifier bridge Q1, is connected with photodiode PD1 on the time delays device IC, and the other end of photodiode PD1 links to each other with rectifier bridge Q1 with ground wire, and time delays device IC meets power supply VCC.
Said host circuit comprises photodiode PD2, PD3, PD4 and the PD5 of four parallel connections, and photodiode PD2, PD3, PD4 and PD5 link to each other with power supply VCC through fuse F 1, and PD2 connects with triode BD1 and light emitting diode D1; PD3 connects with triode BD2 and light emitting diode D2; PD4 connects with triode BD3 and light emitting diode D3, and PD5 connects with triode BD4, links to each other with triode BD4 after light emitting diode D1, D2, the D3 parallel connection; Be connected to phototriode GD1 between triode BD1 and light emitting diode D1; Phototriode GD1 links to each other with power supply VCC, is connected to phototriode GD2 between triode BD2 and light emitting diode D2, and phototriode GD2 links to each other with power supply VCC; Be connected to phototriode GD3 between triode BD3 and light emitting diode D3, phototriode GD3 links to each other with power supply VCC; Rectifier bridge Q2 one end links to each other with power supply VCC with voltage stabilizing diode Z through the fuse F 2 of parallel connection; The other end of rectifier bridge Q2 links to each other with input port with solid-state relay SSR; Solid-state relay SSR links to each other with output port, and rectifier bridge Q2 links to each other with input port with capacitor C through parallel resistor R.
The operating position of the utility model is that sampling thief directly connects primary circuit through sampling coil 2, with the primary circuit equipotential; After the sensor circuit collection in the sensor circuit piece 1 behind the electric signal; Convert light signal to, give main frame through Optical Fiber Transmission, the host circuit driven for emitting lights diode in main frame is indicated charged situation; Solid-state relay is protected electrical apparatus electric power equipment through operation circuit joint 6 output forced blocking signals simultaneously.
" light-" formula structure that the utility model is taked, compare with existing product and to have the following advantages:
1, security performance is outstanding, has realized the thorough isolation of high pressure and low pressure fully, has definitely guaranteed operating personnel's safety.
2, because sensor and primary circuit equipotential, can not produce the phenomenon of " electric arc ", can on extra-high voltage such as 550KV, 220Kv, 110KV, 35Kv, 10KV and high-tension line and equipment, use.
3, charged display precision is high, all can indicate and export the forced blocking signal more than the alternating voltage 100V.
4, the optical cable signal is not subject to disturb, and is very reliable.
5, the LED light life-span is long.
Claims (4)
1. a photo-electric high-voltage potential indicator comprises sampling thief and main frame, it is characterized in that; Sampling thief is made up of the sampling coil (2) on sensor circuit piece (1) and the sensor circuit piece (1); The sensor circuit piece has sensor circuit in (1), and main frame is made up of main case (3) and interior host circuit thereof, and main case (3) front end face has three light emitting diodes that link to each other with host circuit; Main case (3) rearward end has the main frame optical fiber interface (4) that links to each other with host circuit; (1) has the induction optical fiber interface (5) that links to each other with sensor circuit on the sensor circuit piece, and sampling thief links to each other with main frame through optical fiber, and there is operation circuit joint (6) main case 3 rear ends.
2. photo-electric high-voltage potential indicator according to claim 1 is characterized in that, gib screw (7) is arranged on the said sampling coil.
3. photo-electric high-voltage potential indicator according to claim 1; It is characterized in that; Said sensor circuit comprises rectifier bridge Q1, meets inductance L and time delays device IC on the rectifier bridge Q1, is connected with photodiode PD1 on the time delays device IC; The other end of photodiode PD1 links to each other with rectifier bridge Q1 with ground wire, and time delays device IC meets power supply VCC.
4. photo-electric high-voltage potential indicator according to claim 1 is characterized in that, said host circuit comprises photodiode PD2, PD3, PD4 and the PD5 of four parallel connections; Photodiode PD2, PD3, PD4 and PD5 link to each other with power supply VCC through fuse F 1; PD2 connects with triode BD1 and light emitting diode D1, and PD3 connects with triode BD2 and light emitting diode D2, and PD4 connects with triode BD3 and light emitting diode D3; PD5 connects with triode BD4; Link to each other with triode BD4 after light emitting diode D1, D2, the D3 parallel connection, be connected to phototriode GD1 between triode BD1 and light emitting diode D1, phototriode GD1 links to each other with power supply VCC; Be connected to phototriode GD2 between triode BD2 and light emitting diode D2; Phototriode GD2 links to each other with power supply VCC, is connected to phototriode GD3 between triode BD3 and light emitting diode D3, and phototriode GD3 links to each other with power supply VCC; Rectifier bridge Q2 one end links to each other with power supply VCC with voltage stabilizing diode Z through the fuse F 2 of parallel connection; The other end of rectifier bridge Q2 links to each other with input port with solid-state relay SSR; Solid-state relay SSR links to each other with output port, and rectifier bridge Q2 links to each other with input port with capacitor C through parallel resistor R.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201994010U CN202548200U (en) | 2012-05-07 | 2012-05-07 | Photoelectric type high-voltage potential indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201994010U CN202548200U (en) | 2012-05-07 | 2012-05-07 | Photoelectric type high-voltage potential indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202548200U true CN202548200U (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201994010U Expired - Fee Related CN202548200U (en) | 2012-05-07 | 2012-05-07 | Photoelectric type high-voltage potential indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202548200U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344820A (en) * | 2013-07-23 | 2013-10-09 | 北京合纵科技股份有限公司 | Potential indicator with temperature measuring function |
| CN103513090A (en) * | 2013-09-30 | 2014-01-15 | 杭州休普电子技术有限公司 | Light guiding type high-voltage electrification indicating system |
| CN109239444A (en) * | 2018-10-18 | 2019-01-18 | 陕西理工大学 | A kind of light instruction safety high-pressure electroscope |
-
2012
- 2012-05-07 CN CN2012201994010U patent/CN202548200U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344820A (en) * | 2013-07-23 | 2013-10-09 | 北京合纵科技股份有限公司 | Potential indicator with temperature measuring function |
| CN103344820B (en) * | 2013-07-23 | 2015-11-11 | 北京合纵科技股份有限公司 | A kind of potential indicator with temp sensing function |
| CN103513090A (en) * | 2013-09-30 | 2014-01-15 | 杭州休普电子技术有限公司 | Light guiding type high-voltage electrification indicating system |
| CN103513090B (en) * | 2013-09-30 | 2016-04-06 | 杭州休普电子技术有限公司 | Light guide type electrification in high voltage indication mechanism |
| CN109239444A (en) * | 2018-10-18 | 2019-01-18 | 陕西理工大学 | A kind of light instruction safety high-pressure electroscope |
| CN109239444B (en) * | 2018-10-18 | 2021-09-03 | 邢台国泰发电有限责任公司 | Light indication safety 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: 20121121 Termination date: 20150507 |
|
| EXPY | Termination of patent right or utility model |