CN103399196A - Novel high-voltage electricity display - Google Patents
Novel high-voltage electricity display Download PDFInfo
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- CN103399196A CN103399196A CN2013103130727A CN201310313072A CN103399196A CN 103399196 A CN103399196 A CN 103399196A CN 2013103130727 A CN2013103130727 A CN 2013103130727A CN 201310313072 A CN201310313072 A CN 201310313072A CN 103399196 A CN103399196 A CN 103399196A
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Abstract
The invention discloses a novel high-voltage electricity display. The high-voltage electricity display comprises an LED (light-emitting diode) warning lamp, a rectifier module, an energy storage module, a voltage comparison module and a triggering module; the rectifier module outputs the input voltage of a high-voltage electricity sensor in the form of direct-current voltage via a rectifier circuit; the energy storage module stores the direct-current voltage by means of energy storage capacitors; the voltage comparison module is connected in series behind the rectifier module and the energy storage module, and controls the connection of the downlink circuit according to set threshold voltage; the triggering module is respectively connected with the energy storage module, the voltage comparison module and the LED warning lamp, and implements the warning function of the device by controlling the charging and discharging process of the energy storage module. The invention effectively solves the problems of over low driving current and low display device brightness, and realizes and enhances the warning effect of the device.
Description
Technical field
The present invention relates to personal safety protection servicing unit in the field of power operation, refer to especially a kind of high-voltage charge display device.
Background technology
When high-tension apparatus is operated, whether chargedly usually need to detect high-tension apparatus by high-voltage charge display device, in order to avoid high pressure damages human body.High-voltage charge display device generally coordinates with electrified sensor, by diode displaying to detect whether charged normal operation of electrical equipment.
development along with society, the high-tension apparatus kind is more and more, quantity is also more and more huger, whether charged prior art detecting high-tension apparatus when, a little less than the charged electric signal that transmits, the electric current of driving display spare is less, usually the short-circuit current of sensor is only hundreds of to tens microampere, cause the luminance brightness of display device low, cause detecting judgement not obvious, easily cause erroneous judgement, portioned product can carry out rectification to the signal that sensor transmissions is come, direct driving LED lamp, but its show state is normal bright state, and brightness is lower, warning function is also not obvious directly perceived, in addition, general high-voltage charge display device does not have self-checking function, when display device damages, just whether chargedly can't verify, lose effect.
Summary of the invention
In order to solve above-mentioned deficiency of the prior art, the invention provides a kind of novel high-pressure electrification display, it sets up energy-storage module, voltage comparison module and trigger module for device, can effectively improve the warning function of high-voltage charge display device, and possess self-checking function.
The present invention solves the technical scheme that its problem adopts:
A kind of novel high-pressure electrification display, described high-voltage charge display device comprises LED warning lamp and rectification module, its by the input voltage of electrification in high voltage sensor through rectification circuit with direct voltage output; Energy-storage module, it carries out energy storage by storage capacitor to above-mentioned DC voltage; Voltage comparison module, after it is serially connected with described rectification module and energy-storage module, by setting the conducting of threshold voltage control downstream circuitry; Trigger module, it joins respectively, passes through to control the warning function of energy-storage module charge and discharge process implement device with described energy-storage module, voltage comparison module and LED warning lamp.
As improvement of the technical scheme, described voltage comparison module adopts voltage comparable chip or gas-discharge tube or two-way admittance diode.
As improvement of the technical scheme, described trigger module comprises a positive-negative-positive triode and NPN type triode, wherein the two collector and base stage are connected with described voltage comparison module, LED warning lamp respectively after being connected, and described its emitter of positive-negative-positive triode is connected to described energy-storage module.
As improvement of the technical scheme, described trigger module comprises controllable silicon SCR, and its anode of described controllable silicon SCR and described energy-storage module join, and its negative electrode and described LED warning lamp join, and it controls the utmost point and described voltage comparison module is joined.
As improvement of the technical scheme, described high-voltage charge display device also comprises a selftest module, and it is connected between described trigger module and LED warning lamp by the self check switch.
The beneficial effect that the present invention brings has:
A kind of novel high-pressure electrification display of the present invention, it is by setting up energy-storage module, voltage comparison module and trigger module, for the conducting of back-end circuit provides a threshold voltage and gauge tap, effectively strengthened the electric signal that transmits, avoided the problem that drive current is too small, display device brightness is low, by controlling the energy-storage module that constantly is in charge and discharge process, make the LED warning lamp be in a kind of glittering state, realize and strengthened the alarming effect of device.
The accompanying drawing explanation
The invention will be further described below in conjunction with the drawings and specific embodiments,
Accompanying drawing 1 is modular structure schematic diagram of the present invention;
Accompanying drawing 2 is one of electrical block diagrams of the present invention;
Accompanying drawing 3 is two of electrical block diagrams of the present invention.
Embodiment
with reference to accompanying drawing 1 to 3, novel high-pressure electrification display of the present invention, it comprises the LED warning lamp, rectification module 1, energy-storage module 2, voltage comparison module 3, trigger module 4 and selftest module 5, wherein rectification module 1 can adopt half-bridge or full-bridge type rectification circuit, its can by after the input voltage rectification of electrification in high voltage sensor with direct voltage output, energy-storage module 2 carries out energy storage by its storage capacitor to this DC voltage subsequently, after voltage comparison module 3 is serially connected with described rectification module 1 and energy-storage module 2, and by the threshold voltage that sets, control the conducting of downstream circuitry, trigger module 4 respectively with energy-storage module 2, voltage comparison module 3 and LED warning lamp join, by controlling energy-storage module 2 charge and discharge process, reach the glittering alarming effect of implement device LED warning lamp.
In concrete circuit design, voltage comparison module 3 can adopt the voltage comparable chip, as the BL8506 of Shanghai Belling, and also can be by with gas-discharge tube or two-way admittance diode, realizing; Design for trigger module 4, it can adopt a positive-negative-positive triode and NPN type triode, wherein the two collector and base stage are connected with voltage comparison module 3, LED warning lamp respectively after being connected, described its emitter of positive-negative-positive triode is connected to described energy-storage module 2, and as shown in Figure 2, it also can adopt controllable silicon SCR, its anode of described controllable silicon SCR and energy-storage module 2 join, its negative electrode and described LED warning lamp join, and it controls the utmost point and voltage comparison module 3 is joined, as shown in Figure 3.
Take accompanying drawing 2 as example, circuit working principle of the present invention is: high-voltage power supply obtains the input voltage V of electrification in high voltage sensor after sensor
a, V
b, V
cThree-phase voltage, through D
A1, D
A2, D
B1, D
B2, D
C1, D
C2After rectification, obtain DC voltage, at process C
A1, C
B1, C
C1The capacitor charging energy storage is boosted, when voltage is raised to and D
A3, D
B3, D
C3The threshold voltage phase isochronous circuit rear end that (voltage comparator circuit) set is conducting, triggers triode Q
A2, Q
B2, Q
C2, as triode Q
A2, Q
B2, Q
C2After conducting, continue turn-on transistor Q
A1, Q
B1, Q
C1, voltage comparator this moment storage capacitor C before
A1, C
B1, C
C1The electric weight of storage is via R
A1, R
B1, R
C1, through P
A1, P
B1, P
C1To LED
A1, LED
B1, LED
C1, light light emitting diode, work as capacitor C
A1, C
B1, C
C1When the electric weight of storage discharged, light emitting diode quit work.Then charging-electric discharge-charging-electric discharge, circulation is more than, and light emitting diode is in a glittering state performance warning function all the time, and we also can adjust the flicker frequency of light emitting diode, during greater than certain numerical value, human eye is just discovered less than flicker when flicker frequency.
For the selftest module 5 of high-voltage charge display device of the present invention, it is by between a self check switch access trigger module 4 and LED warning lamp, as P in accompanying drawing 2 circuit
A1, P
B1, P
C1For the self check switch, be specially earphone socket, when not having electroscope to insert, normally be presented at LED
A1, LED
B1, LED
C1, when there being electroscope to insert, be to be switched to the electrical verification diode displaying.
So visible a kind of novel high-pressure electrification display of the present invention, it is by setting up energy-storage module 2, voltage comparison module 3 and trigger module 4, for the conducting of back-end circuit provides a threshold voltage and gauge tap, effectively strengthened the electric signal that transmits, avoided the problem that drive current is too small, display device brightness is low, constantly be in the energy-storage module 2 in charge and discharge process, make the LED warning lamp be in a kind of glittering state, realize and strengthened the alarming effect of device, warning function is more directly perceived.
The above, be preferred embodiment of the present invention, and the present invention is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present invention with identical means, all should belong to protection scope of the present invention.
Claims (5)
1. novel high-pressure electrification display is characterized in that: described high-voltage charge display device comprise the LED warning lamp and
Rectification module (1), its by the input voltage of electrification in high voltage sensor through rectification circuit with direct voltage output;
Energy-storage module (2), it carries out energy storage by storage capacitor to above-mentioned DC voltage;
Voltage comparison module (3), its be serially connected with described rectification module (1) and energy-storage module (2) afterwards, by setting threshold voltage, control the conducting of downstream circuitry;
Trigger module (4), its respectively with described energy-storage module (2), voltage comparison module (3) and the LED warning lamp joins, by controlling the warning function of energy-storage module (2) charge and discharge process implement device.
2. a kind of novel high-pressure electrification display according to claim 1, is characterized in that: described voltage comparison module (3) employing voltage comparable chip or gas-discharge tube or two-way admittance diode.
3. a kind of novel high-pressure electrification display according to claim 1, it is characterized in that: described trigger module (4) comprises a positive-negative-positive triode and NPN type triode, wherein the two collector and base stage are connected with described voltage comparison module (3), LED warning lamp respectively after being connected, and described its emitter of positive-negative-positive triode is connected to described energy-storage module (2).
4. a kind of novel high-pressure electrification display according to claim 1, it is characterized in that: described trigger module (4) comprises controllable silicon SCR, its anode of described controllable silicon SCR and described energy-storage module (2) join, its negative electrode and described LED warning lamp join, and it controls the utmost point and described voltage comparison module (3) is joined.
5. a kind of novel high-pressure electrification display according to claim 1, it is characterized in that: described high-voltage charge display device also comprises a selftest module (5), it is connected between described trigger module (4) and LED warning lamp by the self check switch.
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| CN2013103130727A CN103399196A (en) | 2013-07-24 | 2013-07-24 | Novel high-voltage electricity display |
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| CN2013103130727A CN103399196A (en) | 2013-07-24 | 2013-07-24 | Novel high-voltage electricity display |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792417A (en) * | 2014-02-28 | 2014-05-14 | 国家电网公司 | Active and passive dual-mode sensing high-voltage presence indication device and implementation method thereof |
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| JPH07209344A (en) * | 1994-01-20 | 1995-08-11 | Fuji Electric Co Ltd | Power source indicating lamp circuit of circuit breaker |
| CN2247344Y (en) * | 1995-01-23 | 1997-02-12 | 新汶矿务局职工大学 | High-voltage electricity speech sound alarm device |
| CN2674460Y (en) * | 2004-02-03 | 2005-01-26 | 天津市华电电力科技有限公司 | Equipotential flash type high-voltage charge display device |
| CN201035093Y (en) * | 2007-01-18 | 2008-03-12 | 杨啸林 | Portable high-pressure electric shocking prevention detecting alarming device |
| CN201083790Y (en) * | 2007-07-09 | 2008-07-09 | 余凯 | Electric field induction -type high-voltage charge indicator |
| CN201107352Y (en) * | 2007-11-26 | 2008-08-27 | 西安信源高压电器有限公司 | High voltage electrified display safety and defend apparatus |
| CN201281726Y (en) * | 2008-08-21 | 2009-07-29 | 厦门安达兴电气有限公司 | High voltage detector |
| CN101819226A (en) * | 2010-03-10 | 2010-09-01 | 国网电力科学研究院 | 1000kV extra-high voltage alternating-current non-contact multichannel distance measurement type electroscope |
| CN203414515U (en) * | 2013-07-24 | 2014-01-29 | 珠海黑石电气自动化科技有限公司 | Novel high-voltage electrification display device |
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2013
- 2013-07-24 CN CN2013103130727A patent/CN103399196A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07209344A (en) * | 1994-01-20 | 1995-08-11 | Fuji Electric Co Ltd | Power source indicating lamp circuit of circuit breaker |
| CN2247344Y (en) * | 1995-01-23 | 1997-02-12 | 新汶矿务局职工大学 | High-voltage electricity speech sound alarm device |
| CN2674460Y (en) * | 2004-02-03 | 2005-01-26 | 天津市华电电力科技有限公司 | Equipotential flash type high-voltage charge display device |
| CN201035093Y (en) * | 2007-01-18 | 2008-03-12 | 杨啸林 | Portable high-pressure electric shocking prevention detecting alarming device |
| CN201083790Y (en) * | 2007-07-09 | 2008-07-09 | 余凯 | Electric field induction -type high-voltage charge indicator |
| CN201107352Y (en) * | 2007-11-26 | 2008-08-27 | 西安信源高压电器有限公司 | High voltage electrified display safety and defend apparatus |
| CN201281726Y (en) * | 2008-08-21 | 2009-07-29 | 厦门安达兴电气有限公司 | High voltage detector |
| CN101819226A (en) * | 2010-03-10 | 2010-09-01 | 国网电力科学研究院 | 1000kV extra-high voltage alternating-current non-contact multichannel distance measurement type electroscope |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792417A (en) * | 2014-02-28 | 2014-05-14 | 国家电网公司 | Active and passive dual-mode sensing high-voltage presence indication device and implementation method thereof |
| CN103792417B (en) * | 2014-02-28 | 2017-01-11 | 国家电网公司 | Active and passive dual-mode sensing high-voltage presence indication device |
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Application publication date: 20131120 |