CN201886069U - Isopotential high-pressure electrified display device - Google Patents
Isopotential high-pressure electrified display device Download PDFInfo
- Publication number
- CN201886069U CN201886069U CN2010202569387U CN201020256938U CN201886069U CN 201886069 U CN201886069 U CN 201886069U CN 2010202569387 U CN2010202569387 U CN 2010202569387U CN 201020256938 U CN201020256938 U CN 201020256938U CN 201886069 U CN201886069 U CN 201886069U
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- triode
- rectifier bridge
- light emitting
- emitting diode
- resistance
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Abstract
The utility model relates to an isopotential high-pressure electrified display device, comprising a LCD liquid crystal display screen and an inductive electrode; the inductive signal of the inductive electrode A and the inductive electrode B is added between input ends 3,4 of a commutation bridge B1, a TVS device D5 is connected between the input ends 3,4 of the commutation bridge B1, two serial-connected capacitors C1, C2 are connected between the output ends 1,2 of the commutation bridge B1; a PNP type triode Q1 and NPN type triode Q2 are connected between two ends of first, third pins of the commutation bridge B1, base electrode of the triode Q1 and Q2 and collection electrodes of the triode Q2 and Q2 are mutually connected, an emitter of the triode Q2 is connected with three light-emitting diodes D2,D3 and D4; a LCD liquid crystal display screen is connected between the output ends 1,2 of the commutation bridge B1 by one capacitor C3 and resistors R1,R2. The isopotential high-pressure electrified display device has features of direct and beautiful display effect.
Description
Technical field
Whether charged the utility model relates to a kind of being installed on the high-voltage charged body, come driving LED lumination of light emitting diode and/or LCD liquid crystal display display to indicate this high pressure body device by the high-tension electricity inductive energy.
Background technology
At present international and domestic by the high-voltage charged body inductive energy indicate the high pressure body whether charged device whether adopt the voltage sensor mode to detect high-voltage charged body mostly charged, when high-voltage charged body has electricity, voltage sensor just has induced voltage output, indicate charged state by judgement with luminotron to induced voltage, the voltage sensor volume of this electrification display is bigger, trouble is installed, and also will adopts external power supply work mostly.In addition, have simple inductive energy to adopt the LCD liquid crystal display to indicate charged state, though the icon that the LCD liquid crystal display shows is bigger, observation property is good, because LCD is under the darker condition of light, visibility is not high, can't see clearly when distance is far away; Also have a kind of charged demonstration just to indicate with the LED luminotron, though solved visual problem under the darker condition of light, intuitive and aesthetic property should not have the LCD liquid crystal display.
Summary of the invention
The purpose of this utility model provides a kind of intuitive display and equipotential high voltage display device attractive in appearance, and this display device is installed simple, does not need voltage sensor, does not need external power supply, just can work as long as be installed on the high-voltage charged body.
For achieving the above object, the utility model provides following technical scheme: a kind of equipotential high voltage display device, and it comprises LCD LCDs and induction electrode; The induced signal of induction electrode A and induction electrode B is added between rectifier bridge B1 input end 3 and 4, is connected to TVS device D5 between rectifier bridge B1 input end 3 and 4, is connected to the capacitor C 1 and the C2 of two serial connections between the rectifier bridge B1 output terminal 1 and 2; Also be connected to positive-negative-positive triode Q1 and NPN type triode Q2 at the 1 and 3 pin two ends of rectifier bridge B1, the base stage of the collector of the collector of the base stage of triode Q1 and triode Q2 and triode Q1 and triode Q2 interconnects, and the emitter of triode Q2 connects D2, D3 and three light emitting diodes of D4; Also connect the LCD LCDs between the rectifier bridge B1 output terminal 1 and 2 by a capacitor C 3 and resistance R 1 and resistance R 2.
The utility model obtains inductive energy from high-voltage charged body and can works long-term and stably to the measuring device with electricity power supply.Adopt LED light emitting diode and two kinds of display modes of LCDs, while to indicate high-voltage charged body whether charged with the form of the figure caution symbol of light.Characteristics such as it is clear, attractive in appearance to the utlity model has indication, and visuality is good, whether no matter how light can both observably observe the high pressure body charged.The utility model does not need additional power source when work, by the inductive energy work of high-voltage charged body, therefore very convenient, economy can work long hours, and uses on the high-tension apparatus that very suitable transformer station can not arbitrarily have a power failure.
Description of drawings
Fig. 1 is the circuit diagram of the utility model equipotential high voltage display device.
Embodiment
The utility model circuit diagram is seen Fig. 1, the equipotential high voltage display device, and it comprises LCD LCDs and induction electrode.The induced signal of induction electrode A and B is added between rectifier bridge B1 input end 3 and 4, is connected to TVS device D5 between rectifier bridge B1 input end 3 and 4, is connected to the capacitor C 1 and the C2 of two serial connections between the rectifier bridge B1 output terminal 1 and 2.Also be connected to Q1 (positive-negative-positive) and two triodes of Q2 (NPN type) at the 1 and 3 pin two ends of rectifier bridge B1, the base stage of the collector of the collector of the base stage of triode Q1 and triode Q2 and triode Q1 and triode Q2 interconnects, and the emitter of triode Q2 connects D2, D3 and three light emitting diodes of D3.Also connect LCD LCDs 100 between the rectifier bridge B1 output terminal 1 and 2 by a capacitor C 3 and resistance R 1 and resistance R 2.Also be connected to NPN type triode Q3 at the 1 and 3 pin two ends of rectifier bridge B1, the base stage of triode Q3 connects the base stage of triode Q2, and the emitter of triode Q3 connects induction electrode (B).Resistance R 2 capacitor C 7 in parallel.
The utility model equipotential high voltage display device principle of work is: utilize the high voltage induction principle, electrification display directly is attached to its induced voltage of reception on the high-voltage charged body, induced voltage carries out rectification by the input end that induction electrode A and B deliver to rectifier bridge B1, voltage after the rectification charges to capacitor C 1 and C2, after being charged to certain voltage, offer triode Q1 and Q2 as operating voltage, the base stage of triode Q2 is received input end B by the PN junction of a resistance R 5 and a triode Q3, behind the emitter and the PN junction rectification of base stage of the negative half period of B signal by Q3, be added to the base stage of triode Q2, trigger triode Q1 and Q2 conducting, triode Q1 and Q2 are in interlocking state, the conducting of triode Q1 makes also conducting of triode Q2, the conducting of triode Q2 has also guaranteed triode Q1 conducting, the conducting of triode Q2 just makes the emitter of triode Q2 drive D2, D3 and D4 lumination of light emitting diode, behind the led lighting, after ruing out of capacitor C 1 and the voltage above the C2, triode Q1 and Q2 end, and reenter the charging process of capacitor C 1 and C2.This charge and discharge process that goes round and begins again just makes that LED flash is luminous.The fluctuation voltage of the charge and discharge process of capacitor C 1 and C2 formation simultaneously also is added on the LCDs by C3, R1 and R2, drives high pressure caution symbol flicker on the display screen, cue circuit band high-tension electricity.
Certainly, the comprehensive anti-error system of the utility model distribution intelligent integral also can have other distortion.In a word, doing conspicuous change according to the prompting of the foregoing description, and other every changes that do not break away from the utility model essence, all should be included within the described scope of claim.
Claims (1)
1. an equipotential high voltage display device is characterized in that, comprises LCDs, light emitting diode and induction electrode; The induced signal of induction electrode A and induction electrode B is added between rectifier bridge B1 first and second input ends (3,4), at two input ends (3 of rectifier bridge B1,4) be connected to TVS device D5 between, be connected to the capacitor C 1 of two serial connections between rectifier bridge B1 first and second output terminals (1,2), C2; Between the first input end (1) of rectifier bridge B1 and first output terminal (3), also be connected to positive-negative-positive triode Q1, NPN type triode Q2 and three light emitting diode D2, D3, D4, the emitter of triode Q1 links to each other with the input end of rectifier bridge B1, the base stage of triode Q1 is connected to the collector of triode Q2, the base stage of the collector of triode Q1 and triode Q2 interconnects, be connected to a resistance R 3 between the base stage of triode Q1 and the emitter, the emitter of triode Q2 meets three light emitting diode D2, D3 and D4, the positive pole of light emitting diode D2 connects the emitter of triode Q2, the positive pole of the negative pole sending and receiving optical diode D3 of light emitting diode D2, the positive pole of the negative pole sending and receiving optical diode D4 of light emitting diode D3, the negative pole of light emitting diode D4 connects second output terminal (2) of rectifier bridge B1; The first input end of rectifier bridge B1 (3) is received the emitter of a NPN type triode Q3, and the base stage of triode Q3 connects a resistance R 5, and resistance R 5 other ends are received the base stage of triode Q2; Also be connected to a capacitor C 3 and resistance R 1 and resistance R 2 between first and second output terminals (1,2) of rectifier bridge B1, two termination LCDs of resistance R 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202569387U CN201886069U (en) | 2010-07-13 | 2010-07-13 | Isopotential high-pressure electrified display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202569387U CN201886069U (en) | 2010-07-13 | 2010-07-13 | Isopotential high-pressure electrified display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201886069U true CN201886069U (en) | 2011-06-29 |
Family
ID=44183616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202569387U Expired - Lifetime CN201886069U (en) | 2010-07-13 | 2010-07-13 | Isopotential high-pressure electrified display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201886069U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048526A (en) * | 2011-10-15 | 2013-04-17 | 四川蓝讯宝迩电子科技有限公司 | High-voltage electrifying display device |
| CN103048525A (en) * | 2011-10-15 | 2013-04-17 | 四川蓝讯宝迩电子科技有限公司 | Equipotential high-voltage potential indicator |
| CN108061818A (en) * | 2017-12-15 | 2018-05-22 | 云南电网有限责任公司曲靖供电局 | A kind of virtual potential discriminating gear |
-
2010
- 2010-07-13 CN CN2010202569387U patent/CN201886069U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048526A (en) * | 2011-10-15 | 2013-04-17 | 四川蓝讯宝迩电子科技有限公司 | High-voltage electrifying display device |
| CN103048525A (en) * | 2011-10-15 | 2013-04-17 | 四川蓝讯宝迩电子科技有限公司 | Equipotential high-voltage potential indicator |
| CN108061818A (en) * | 2017-12-15 | 2018-05-22 | 云南电网有限责任公司曲靖供电局 | A kind of virtual potential discriminating gear |
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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: 20110629 |