CN203414515U - Novel high-voltage electrification display device - Google Patents
Novel high-voltage electrification display device Download PDFInfo
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- CN203414515U CN203414515U CN201320442942.6U CN201320442942U CN203414515U CN 203414515 U CN203414515 U CN 203414515U CN 201320442942 U CN201320442942 U CN 201320442942U CN 203414515 U CN203414515 U CN 203414515U
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Abstract
The utility model discloses a novel high-voltage electrification display device. The high-voltage electrification display device includes an LED warning lamp, a rectification module which outputs input voltage of a high-voltage electrification sensor in a form of direct-current voltage through a rectification circuit, an energy storage module which stores the above direct-current voltage through an energy storage capacitor, a voltage comparison module which is connected in series with the rectification module and the energy storage module and therefore controls the switching on of a downlink circuit through set threshold voltage, and a trigger module which is connected with the energy storage module, the voltage comparison module and the LED warning lamp respectively and can realize a warning effect of the device through controlling charge/discharge processes of the energy storage module. With the novel high-voltage electrification display device of the utility model adopted, the problems of too small magnitude of driving current and too lower display brightness of a display device can be avoided, and the warning effect can be realized and enhanced.
Description
Technical field
The utility model relates to personal safety protection servicing unit in field of power operation, refers to especially a kind of high-voltage charge display device.
Background technology
When high-tension apparatus is operated, whether chargedly conventionally 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 the whether charged normal operation of electrical equipment.
Along with social development, high-tension apparatus kind is more and more, quantity is also more and more huger, prior art is when whether detection high-tension apparatus is charged, a little less than the charged electric signal transmitting, the electric current of driving display part is less, conventionally 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, the signal that portioned product can be come to sensor transmissions carries out rectification, 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 cannot verify, lose effect.
Summary of the invention
In order to solve above-mentioned deficiency of the prior art, the utility model 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 technical scheme that the invention for solving the technical problem adopts is:
An 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 the improvement of technique scheme, described voltage comparison module adopts voltage comparable chip or gas-discharge tube or two-way admittance diode.
Improvement as technique scheme, described trigger module comprises a positive-negative-positive triode and NPN type triode, wherein the two collector is connected with described voltage comparison module, LED warning lamp respectively after being connected with base stage, and described its emitter of positive-negative-positive triode is connected to described energy-storage module.
As the improvement of technique 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 the improvement of technique 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 self check switch.
The beneficial effect that the utility model brings has:
A kind of novel high-pressure electrification display of the present utility model, 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 transmitting, avoided the problem that drive current is too small, display device brightness is low, by controlling the constantly energy-storage module in charge and discharge process, make LED warning lamp in a kind of glittering state, realize and strengthened the alarming effect of device.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail,
Accompanying drawing 1 is modular structure schematic diagram of the present utility model;
Accompanying drawing 2 is one of electrical block diagrams of the present utility model;
Accompanying drawing 3 is two of electrical block diagrams of the present utility model.
Embodiment
With reference to accompanying drawing 1 to 3, novel high-pressure electrification display of the present utility model, it comprises 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 BL8506 of voltage comparable chip ，Ru Shanghai Belling, also can be by realizing with gas-discharge tube or two-way admittance diode; Design for trigger module 4, it can adopt a positive-negative-positive triode and NPN type triode, wherein the two collector is connected with voltage comparison module 3, LED warning lamp respectively after being connected with base stage, 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, and circuit working principle of the present utility model 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
c1capacitor 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, the storage capacitor C before voltage comparator now
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 discharges, light emitting diode quits work.Then charging-electric discharge-charging-electric discharge, circulation is more than, and light emitting diode is all the time in a glittering state performance warning function, and we also can adjust the flicker frequency of light emitting diode, when flicker frequency is greater than certain numerical value, human eye is just discovered less than flicker.
For the selftest module 5 of the utility model high-voltage charge display device, 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 self check switch, be specially earphone socket, when not having electroscope to insert, be normally presented at LED
a1, LED
b1, LED
c1, when there being electroscope to insert, be to be switched to electrical verification diode displaying.
So visible a kind of novel high-pressure electrification display of the present utility model, 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 transmitting, avoided the problem that drive current is too small, display device brightness is low, continuous energy-storage module 2 in charge and discharge process, make LED warning lamp in a kind of glittering state, the alarming effect of realizing and strengthened device, warning function is more directly perceived.
The above, be preferred embodiment of the present utility model, and the utility model is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection domain of the present utility model.
Claims (5)
1. a novel high-pressure electrification display, is characterized in that: described high-voltage charge display device comprise 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 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) adopts 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 is connected with described voltage comparison module (3), LED warning lamp respectively after being connected with base stage, 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, is characterized in that: described high-voltage charge display device also comprises a selftest module (5), and it is connected between described trigger module (4) and LED warning lamp by self check switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320442942.6U CN203414515U (en) | 2013-07-24 | 2013-07-24 | Novel high-voltage electrification display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320442942.6U CN203414515U (en) | 2013-07-24 | 2013-07-24 | Novel high-voltage electrification display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203414515U true CN203414515U (en) | 2014-01-29 |
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ID=49977397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320442942.6U Expired - Lifetime CN203414515U (en) | 2013-07-24 | 2013-07-24 | Novel high-voltage electrification display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203414515U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103399196A (en) * | 2013-07-24 | 2013-11-20 | 珠海黑石电气自动化科技有限公司 | Novel high-voltage electricity display |
| CN105738681A (en) * | 2016-04-14 | 2016-07-06 | 中铁二院工程集团有限责任公司 | Live-line indicating device and method for power line |
-
2013
- 2013-07-24 CN CN201320442942.6U patent/CN203414515U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103399196A (en) * | 2013-07-24 | 2013-11-20 | 珠海黑石电气自动化科技有限公司 | Novel high-voltage electricity display |
| CN105738681A (en) * | 2016-04-14 | 2016-07-06 | 中铁二院工程集团有限责任公司 | Live-line indicating device and method for power line |
| CN105738681B (en) * | 2016-04-14 | 2018-10-26 | 中铁二院工程集团有限责任公司 | Power circuit charge indicating device and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |