CN2715167Y - Induction type high-voltage live-wire display electroscope - Google Patents
Induction type high-voltage live-wire display electroscope Download PDFInfo
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- CN2715167Y CN2715167Y CN 200420003522 CN200420003522U CN2715167Y CN 2715167 Y CN2715167 Y CN 2715167Y CN 200420003522 CN200420003522 CN 200420003522 CN 200420003522 U CN200420003522 U CN 200420003522U CN 2715167 Y CN2715167 Y CN 2715167Y
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Abstract
The utility model relates to an induction type high-voltage live-wire display electroscope which utilizes the electrostatic induction principle to indicate whether the high-voltage electrical apparatus is charged with the operating voltage. The device uses a unique disk-shaped sensor induction electrode plate which has very strong interference rejection. Because the utility model adopts the high-voltage electrostatic energy obtaining technique comprising a sensor and a display electricity detection loop, a high-voltage live-wire display and an electricity detection pluggable unit display both need not the auxiliary power supply, and all the flash energy resources are obtained from an electric field existing in the surrounding of the upper running high-voltage system. The double-display mode of the utility model ensures the reliability that the device is used for the electricity detection evidence, and thus it realizes the functions of the composite high-voltage live-wire display, the split phase detection and the gradual phase electricity detection. The utility model can solve the problem that the electrical power system has the difficulty on the outdoor high-voltage equipment electricity detection, and can prevent the frequent electric faulty operations and the faulty electric shock accidents.
Description
Technical field
The utility model relates to a kind of indoor and outdoor and shows electroscopic device with electrification in high voltage, particularly relates to a kind of electrification in high voltage that utilizes electrostatic induction principle indication high pressure (35～750 kilovolts) electrical equipment whether to have working voltage and shows electroscopic device.
Background technology
At present, known induction type high pressure charge display device is to be made of sensor, the control box that connects lead-in wire, built-in overvoltage protection loop, charged show circuit and locking control loop and secondary control power supply etc.Sensor is installed on outside the safe distance of high-tension apparatus below, and sensor is connected lead-in wire be connected with connection terminal in the control box, when charged and secondary control power supply came into operation when tested high voltage electric equipment, charged display part pilot lamp was bright, and the expression high voltage electric equipment is charged.
But the induction type high pressure charge display device of home and abroad production at present all fails effectively to solve the problem that electric field disturbs; Can not the phase-splitting detection, phase-splitting shows charged situation, even show along separate routes and also have any problem; The function that does not have " high voltage testing "; And its charged demonstration be by amplifying circuit to sensor sensing to high pressure exist signal to amplify, and then light that indicator elment realizes.This amplifying circuit needs accessory power supply, and is subject to disturb, and therefore, sometimes the charged situation of high-tension apparatus is done the judgement that makes mistake, and causes the generation of accident.
Summary of the invention
Can not phase-splitting in order to remedy existing induction type high pressure charge display device, detect along separate routes, charged demonstration needs accessory power supply, can not realize the high voltage testing function, it is not enough to cause misjudgment easily etc., and the utility model provides a kind of induction type high pressure charge to show electroscopic device.This device has not only remedied above-mentioned defective, and its antijamming capability is strengthened, and designed superimposed mode has been guaranteed the reliability of this device as the electrical verification foundation.
For achieving the above object, this induction type high pressure charge shows that electroscopic device is linked to each other with potentiometer by the anti-interference sensor of high reliability, described potentiometer links to each other with the bridge rectifier that is constituted by a diode, described bridge rectifier is connected with an energy storage capacitor, this energy storage capacitor and an one-way SCR, charged demonstration indication light emitting diode, electrical verification plug-in unit light emitting diode and resistance are composed in series discharge loop, another resistance is connected with stabilivolt, and in parallel with described one-way SCR, another diode is in parallel with described electrical verification plug-in unit light emitting diode.
The induction pole plate of the anti-interference sensor of described high reliability is special disc type sensor.It for directly over lead over against the area maximum, the induction current of obtaining is the strongest, and smaller for the lead projected area on next door, avoids the next door relatively this induces bigger induction current mutually easily like this.The sensor of each phase only works to this phase top high-voltage conducting wires, and is mutually insensitive to the next door, thereby reaches jamproof purpose, realizes that phase-splitting detects, pursues the function of phase electrical verification.
From the above, the design in the utility model sensor and demonstration electrical verification loop makes this demonstration electroscopic device have the charged Presentation Function of composite high pressure, phase-splitting detects, pursues the phase electroscope function, and electrification in high voltage shows and the demonstration of electrical verification plug-in unit does not need accessory power supply, all flash of light energy are all taken from electric field rather than the high-voltage signal that exists around the high-pressure system of top operation, can not be subjected to the influence of other high-frequency signals and realize the high voltage testing function, its superimposed mode has been guaranteed the reliability of this device as the electrical verification foundation.Whole loop structure is simple, and reliability is higher, and the life-span is more than 10 years, need not frequent maintenance, can run without interruption for a long time.
Description of drawings
Fig. 1 is a fundamental diagram of the present utility model;
Fig. 2 is that each parts of the present utility model connect structural map;
Fig. 3 is the wherein circuit diagram in the demonstration electrical verification loop of a phase of the utility model;
Fig. 4 a is the structural map of the utility model electrical verification plug-in unit;
Fig. 4 b is the circuit interconnect pattern of the utility model electrical verification plug-in unit;
Fig. 5 is control box external form figure of the present utility model;
Fig. 6 is sensor arrangement figure of the present utility model.
Description of reference numerals
C: air dielectric electric capacity (non-entity capacitance) 3: sensor sensing pole plate
4: show the electrical verification loop
L1, L2, L3:A, B, C three-phase high-voltage lead
6,7,8:A, B, the sensor of C three-phase
9: shielding line 10: control box 11: electrification in high voltage shows the electrical verification panel
12: terminal row 13:A, B, the charged demonstration pilot lamp of C three-phase
14:A, B, C three-phase electrical verification jack
R1: potentiometer D1-D5: diode C1: energy storage capacitor
SCR: individual event controllable silicon R2, R3: resistance DW1: stabilivolt
LED1: electrical verification plug-in unit LED 2: charged demonstration indication light emitting diode
16: electrical verification shows plug-in unit 17: the flash of light display lamp
18: insulating support 19: stiff end 20: fixed support
Embodiment
Below in conjunction with drawings and Examples the utility model is described further.
As shown in Figure 6, this installs employed sensor, by induction pole plate 3, and insulating support 18, stiff end 19, fixed support 20 constitutes.The anti-interference function that it has high reliability is that its diameter is 200 millimeters, and is high 40 millimeters because respond to the circular design of pole plate uniqueness.It for directly over lead over against the area maximum, the induction current of obtaining is the strongest, and smaller for the lead projected area on next door, avoids the next door relatively this induces bigger induction current mutually easily like this.The sensor of each phase only works to this phase top high-voltage conducting wires, and is mutually insensitive to the next door, thereby reaches jamproof purpose, realizes that phase-splitting detects, pursues the function of phase electrical verification.
As Fig. 1, shown in Figure 2, with A, B, the anti-interference sensor 6,7,8 of C three-phase high reliability be installed on respectively high-tension apparatus (as high-voltage conducting wires L1, L2, L3) outside the risk distance of below, the installation site that makes sensor is as far as possible away from the opposite end of disconnector fracture.The shielding line 9 that is connected in sensor is connected with connection terminal 12 in the control box 10 that shows electrical verification loop 4 is housed, and the screen layer of shielding line is connected with ground terminal.Control box 10 suggestions of charged demonstration are positioned on position backlight, so that observe.Before the device operation, it should be monitored that the position fills in clear and be attached to the above the fold of the charged demonstration electrical verification of control box 10 inner high voltages panel 11.
As shown in Figure 3, the anti-interference sensor of high reliability links to each other with potentiometer R1, potentiometer R1 links to each other with the bridge rectifier 3-1 that is made up of diode D1-D4, bridge rectifier is connected with an energy storage capacitor C1, this electric capacity and a unidirectional controllable silicon S CR, charged demonstration indication LED 2, electrical verification plug-in unit LED 1, resistance R 3 is formed discharge loop.Resistance R 2 is connected with stabilivolt DW1, and in parallel with controllable silicon SCR, and diode D5 is in parallel with electrical verification plug-in unit LED 1.When tested high voltage electric equipment had working voltage, high-tension electricity was through air dielectric electric capacity (non-entity capacitance) C, induction pole plate 3 and show that the 4 pairs of the earth in electrical verification loop produce induction current (capacitance current).After induction current passes through potentiometer R1, become pulsating direct current through bridge rectifier 3-1 rectification, give energy storage capacitor C1 charging, when energy storage capacitor C1 is charged to the discharge loop threshold voltage, the controllable silicon SCR conducting, the electric current that stores on the capacitor C 1 is by energy storage capacitor C1 positive pole, unidirectional controllable silicon S CR, charged demonstration indication LED 2, the electrical verification plug-in unit shows LED 1 and is connected lead to capacitor C 1 negative discharge, make charged demonstration indication and electrical verification plug-in unit LED 2, LED1 sends once flash of light, electrical verification shows that the flash of light display lamp 17 of plug-in unit 16 is once luminous in corresponding charged demonstration pilot lamp 13 and the electrical verification jack 14, electric current drains, unidirectional controllable silicon S CR ends, and then repeats to charge to energy storage capacitor C1.The flash of light display lamp of charged demonstration pilot lamp and electrical verification plug-in unit sends interrupted flash of light simultaneously and represents that high voltage electric equipment is charged.This device is provided with three sensors 6,7,8 connect the function of the charged demonstration electrical verification of three covers loop with the charged demonstration and the electrical verification demonstration of realization A, B, C three-phase high-voltage equipment respectively, thus, this device can reach the charged demonstration of composite high pressure, phase-splitting detects, pursues the purpose of phase electrical verification, and the flash of light that charged demonstration and electrical verification plug-in unit show does not need accessory power supply, all energy that glisten are all taken from the electric field of the high-pressure system existence on every side that moves the top rather than are gone to show the antijamming capability enhancing with the high-voltage signal amplification.
When the adjustable resistance that constitutes potentiometer R1 is 10M Ω, resistance R 2 is 100K Ω, and resistance R 3 is 100 Ω, diode D1-D5 model is 1N4007, and stabilivolt DW1 is 36V, and individual event controllable silicon SCR model is MC100-6, when energy storage capacitor C1 model is CBB electric capacity 474, result of use the best of this device.
In addition, the design of potentiometer R1 is in order to tackle different occasions, because of high-voltage electric field more intense, input shows when the induction current in electrical verification loop 4 is big, distributes the correct demonstration that a part of induction current guarantees this device by the adjustable resistance of adjusting potentiometer R1.
In addition, check in the electrical verification jack of the same model electrification in high voltage demonstration electroscopic device that should earlier the insertion of electrical verification custom plug-in be moved, in shape to confirm it, and then insert the electrical verification of carrying out this equipment in " jack " for the treatment of electrical verification equipment.
The part of the utility model metal manufacturing should be taked antirust and anti-corrosion measure.
In addition, for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, transformation etc., all should be included within the claim scope of the present utility model.
Claims (2)
1. an induction type high pressure charge shows electroscopic device, it is characterized in that, this device is linked to each other with potentiometer (R1) by the anti-interference sensor of high reliability (6), potentiometer (R1) links to each other with the bridge rectifier of being made up of diode (D1-D4) (3-1), bridge rectifier is connected with an energy storage capacitor (C1), this electric capacity and an one-way SCR (SCR), charged demonstration indication light emitting diode (LED2), electrical verification plug-in unit light emitting diode (LED1), resistance (R3) is composed in series discharge loop, resistance (R2) is connected with stabilivolt (DW1), and in parallel with one-way SCR (SCR), and diode (D5) is in parallel with electrical verification plug-in unit light emitting diode (LED1).
2. induction type high pressure charge according to claim 1 shows electroscopic device, it is characterized in that the induction pole plate of the anti-interference sensor of described high reliability is special disc type sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420003522 CN2715167Y (en) | 2004-02-13 | 2004-02-13 | Induction type high-voltage live-wire display electroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420003522 CN2715167Y (en) | 2004-02-13 | 2004-02-13 | Induction type high-voltage live-wire display electroscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2715167Y true CN2715167Y (en) | 2005-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420003522 Expired - Lifetime CN2715167Y (en) | 2004-02-13 | 2004-02-13 | Induction type high-voltage live-wire display electroscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2715167Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917790A (en) * | 2010-07-15 | 2010-12-15 | 缪晴文 | LED illumination equipment and Open-circuit breakover element thereof |
| CN102508010A (en) * | 2011-10-31 | 2012-06-20 | 南京钢铁股份有限公司 | Electricity testing method of high voltage switch cabinet |
| CN103048523A (en) * | 2011-10-14 | 2013-04-17 | 四川蓝迅宝迩电子科技有限公司 | Live display device of looped network cabinet |
| CN104267247A (en) * | 2014-10-30 | 2015-01-07 | 国家电网公司 | Inductive power-taken high-voltage power verifying displayer |
| CN104300515A (en) * | 2014-10-30 | 2015-01-21 | 国网河南省电力公司平顶山供电公司 | Live part verification information recognition and intelligent protection device for transformer substation |
| CN104635021A (en) * | 2015-02-06 | 2015-05-20 | 四川蓝讯宝迩电子科技有限公司 | Charge indicator for three-phase electrical system |
| CN104678156A (en) * | 2015-02-06 | 2015-06-03 | 四川蓝讯宝迩电子科技有限公司 | Live detection circuit capable of providing blocking signal |
| CN104698259A (en) * | 2015-02-06 | 2015-06-10 | 四川蓝讯宝迩电子科技有限公司 | Electrified detection circuit suitable for three-phase electrical system |
| CN104749421A (en) * | 2015-04-03 | 2015-07-01 | 四川蓝讯宝迩电子科技有限公司 | Current-induction power source type high-voltage live displaying system |
| CN105092941A (en) * | 2015-08-25 | 2015-11-25 | 河北国昊电力科技有限公司 | Electroscope |
| CN111856123A (en) * | 2020-08-31 | 2020-10-30 | 中国电建集团福建工程有限公司 | Electricity test paster with double check |
-
2004
- 2004-02-13 CN CN 200420003522 patent/CN2715167Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917790A (en) * | 2010-07-15 | 2010-12-15 | 缪晴文 | LED illumination equipment and Open-circuit breakover element thereof |
| CN103048523A (en) * | 2011-10-14 | 2013-04-17 | 四川蓝迅宝迩电子科技有限公司 | Live display device of looped network cabinet |
| CN102508010A (en) * | 2011-10-31 | 2012-06-20 | 南京钢铁股份有限公司 | Electricity testing method of high voltage switch cabinet |
| CN104267247A (en) * | 2014-10-30 | 2015-01-07 | 国家电网公司 | Inductive power-taken high-voltage power verifying displayer |
| CN104300515A (en) * | 2014-10-30 | 2015-01-21 | 国网河南省电力公司平顶山供电公司 | Live part verification information recognition and intelligent protection device for transformer substation |
| CN104635021A (en) * | 2015-02-06 | 2015-05-20 | 四川蓝讯宝迩电子科技有限公司 | Charge indicator for three-phase electrical system |
| CN104678156A (en) * | 2015-02-06 | 2015-06-03 | 四川蓝讯宝迩电子科技有限公司 | Live detection circuit capable of providing blocking signal |
| CN104698259A (en) * | 2015-02-06 | 2015-06-10 | 四川蓝讯宝迩电子科技有限公司 | Electrified detection circuit suitable for three-phase electrical system |
| CN104749421A (en) * | 2015-04-03 | 2015-07-01 | 四川蓝讯宝迩电子科技有限公司 | Current-induction power source type high-voltage live displaying system |
| CN105092941A (en) * | 2015-08-25 | 2015-11-25 | 河北国昊电力科技有限公司 | Electroscope |
| CN111856123A (en) * | 2020-08-31 | 2020-10-30 | 中国电建集团福建工程有限公司 | Electricity test paster with double check |
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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 |
Expiration termination date: 20140213 Granted publication date: 20050803 |
|
| CX01 | Expiry of patent term |