CN204614158U - A kind of high voltage induction alarm - Google Patents
A kind of high voltage induction alarm Download PDFInfo
- Publication number
- CN204614158U CN204614158U CN201520186043.3U CN201520186043U CN204614158U CN 204614158 U CN204614158 U CN 204614158U CN 201520186043 U CN201520186043 U CN 201520186043U CN 204614158 U CN204614158 U CN 204614158U
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- triode
- dry cell
- cell batteries
- positive pole
- technotron
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Abstract
The utility model discloses a kind of high voltage induction alarm, comprise dry cell batteries, technotron, first, second and third triode, voice integrated chip and hummer, the positive pole of dry cell batteries is connected with the source electrode of technotron by slide rheostat, the grid of technotron is connected with voltage induced electrode slice, the source electrode of technotron is also connected by the base stage of voltage stabilizing diode with the first triode, the collector of the first triode is connected by the base stage of biasing resistor with the second triode, the collector of the second triode is connected with the positive pole of light emitting diode, the negative pole of light emitting diode is connected with the signal input part of voice integrated chip, the output terminal of voice integrated chip is connected with the base stage of the 3rd triode, the collector of the 3rd triode is connected with the positive pole of dry cell batteries by hummer.The utility model circuit is simple, with low cost, controls highly sensitive, has a good application prospect.
Description
Technical field
The utility model relates to a kind of high voltage induction alarm, belongs to electronic circuit technology field.
Background technology
Along with the fast development of electric system, the occasion that high-pressure area exists gets more and more, electric power overhaul personnel are when carrying out power failure investigation, be easy to be strayed into high-tension electricity place, be easy to occur that high-voltage arc wounds human body to there is very large potential safety hazard, how make a kind of simple, reliable, with low cost, portable high voltage induction alarm, carrying out high-pressure area warning, is current urgent problem.
Utility model content
The technical matters that the utility model solves overcomes existing electric power overhaul personnel when carrying out power failure investigation, is easy to be strayed into high-tension electricity place, is easy to occur that high-voltage arc wounds human body, there is the problem of very large potential safety hazard.High voltage induction alarm of the present utility model, circuit is simple, and with low cost, be convenient to carrying of electric power testing staff, high voltage induction reliability is high, has a good application prospect.
To achieve the above object, the technical scheme that adopts of the utility model is as follows:
A kind of high voltage induction alarm, it is characterized in that: comprise dry cell batteries GB, technotron G1, first triode Q1, second triode Q2, 3rd triode Q3, voice integrated chip HL-169AA and hummer BL, the positive pole of described dry cell batteries GB is connected with the source electrode of technotron G1 by slide rheostat RP, the grid of described technotron G1 is connected with voltage induced electrode slice M, the source electrode of described technotron G1 is also connected with the negative pole of voltage stabilizing diode VD, the positive pole of described voltage stabilizing diode VD is connected with the base stage of the first triode Q1, the collector of described first triode Q1 is connected with the positive pole of dry cell batteries GB by resistance R1, the collector of described first triode Q1 is also connected with the base stage of the second triode Q2 by biasing resistor R2, the emitter of described second triode Q2 is connected with the positive pole of dry cell batteries GB, the collector of described second triode Q2 is connected with the positive pole of light emitting diode D, the negative pole of described light emitting diode D is connected with the signal input part of voice integrated chip HL-169A, the negative pole of described light emitting diode D is also connected with the negative pole of dry cell batteries GB by resistance R3, the drain electrode of described technotron G1, the emitter of the first triode Q1 is connected with the negative pole of dry cell batteries GB, the output terminal of described voice integrated chip HL-169A is connected with the base stage of the 3rd triode Q3, the collector of described 3rd triode Q3 is connected with the positive pole of dry cell batteries GB by hummer BL, the emitter of described 3rd triode Q3 is connected with the negative pole of dry cell batteries GB.
Aforesaid a kind of high voltage induction alarm, is characterized in that: the voltage of described dry cell batteries GB is 6V.
Aforesaid a kind of high voltage induction alarm, is characterized in that: the positive pole of described dry cell batteries GB is in series with switch S.
Aforesaid a kind of high voltage induction alarm, is characterized in that: parallel filtering electric capacity C1 between described dry cell batteries GB positive and negative electrode.
Aforesaid a kind of high voltage induction alarm, is characterized in that: described first triode Q1, the 3rd triode Q3 are NPN triode, and described second triode Q2 is PNP triode.
Aforesaid a kind of high voltage induction alarm, is characterized in that: the power input of described voice integrated chip HL-169AA is connected with the positive pole of dry cell batteries GB by current-limiting resistance R4.
The beneficial effects of the utility model are: high voltage induction alarm of the present utility model, and circuit is simple, with low cost, controls highly sensitive, are convenient to batch production, have a good application prospect.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of high voltage induction alarm of the present utility model.
Embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Fig. 1, high voltage induction alarm of the present utility model, comprise dry cell batteries GB, technotron G1, first triode Q1, second triode Q2, 3rd triode Q3, voice integrated chip HL-169AA and hummer BL, the voltage of dry cell batteries GB is 6V, energy consumption is little, energy-conserving and environment-protective, the positive pole of dry cell batteries GB is in series with switch S, Convenient switch dry cell batteries GB, to control power supply, dry cell batteries GB just, parallel filtering electric capacity C1 between negative pole, improve the stability that power supply provides, the positive pole of dry cell batteries GB is connected with the source electrode of technotron G1 by slide rheostat RP, the grid of technotron G1 is connected with voltage induced electrode slice M, by the resistance of adjustment slide rheostat RP, the sensitivity of the induction high pressure of voltage induced electrode slice M may be adjusted, the source electrode of technotron G1 is also connected with the negative pole of voltage stabilizing diode VD, the positive pole of voltage stabilizing diode VD is connected with the base stage of the first triode Q1, the collector of the first triode Q1 is connected with the positive pole of dry cell batteries GB by resistance R1, the collector of the first triode Q1 is also connected with the base stage of the second triode Q2 by biasing resistor R2, the emitter of the second triode Q2 is connected with the positive pole of dry cell batteries GB, the collector of the second triode Q2 is connected with the positive pole of light emitting diode D, the negative pole of light emitting diode D is connected with the signal input part of voice integrated chip HL-169A, the negative pole of described light emitting diode D is also connected with the negative pole of dry cell batteries GB by resistance R3, the drain electrode of technotron G1, the emitter of the first triode Q1 is connected with the negative pole of dry cell batteries GB, the output terminal of described voice integrated chip HL-169A is connected with the base stage of the 3rd triode Q3, the collector of the 3rd triode Q3 is connected with the positive pole of dry cell batteries GB by hummer BL, the emitter of the 3rd triode Q3 is connected with the negative pole of dry cell batteries GB.
Described first triode Q1, the 3rd triode Q3 are NPN triode, and described second triode Q2 is PNP triode.
The power input of described voice integrated chip HL-169AA is connected with the positive pole of dry cell batteries GB by current-limiting resistance R4.
This high voltage induction alarm of the present utility model, principle of work is as follows, after Closing Switch S, if the voltage induced electrode slice M that technotron G is external, do not sense that electric field exports, in low resistive state between the drain electrode of technotron G and source electrode, drain electrode is low level, voltage stabilizing diode VD, the first triode Q1, the second triode Q2 are in cut-off state, and voice integrated chip HL-169A does not work, and circuit is in monitor state, when close to high-voltage electric field, voltage induced electrode slice M senses voltage, be input to the grid of technotron G, between the drain electrode of technotron G and source electrode, conductive channel reduces, drain voltage is raised, when responding to high pressure and being enough strong, technotron G is in cut-off state, drain voltage is close to dry cell voltage, voltage stabilizing diode VD, first triode Q1, second triode Q2 successive conductive, light emitting diode D lights, voice integrated chip HL-169A simultaneously, obtain electric work, its output terminal outputs level signals, and be input to hummer BL after being amplified by the 3rd triode Q3, carry out audible alarm, can store in voice integrated chip HL-169A that " Keep Clear-High Voltage, please don't be close " audio alert, easy to use, reliability is high, circuit is simple, volume is little, electric power overhaul personnel are facilitated to carry with.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. a high voltage induction alarm, it is characterized in that: comprise dry cell batteries GB, technotron G1, first triode Q1, second triode Q2, 3rd triode Q3, voice integrated chip HL-169AA and hummer BL, the positive pole of described dry cell batteries GB is connected with the source electrode of technotron G1 by slide rheostat RP, the grid of described technotron G1 is connected with voltage induced electrode slice M, the source electrode of described technotron G1 is also connected with the negative pole of voltage stabilizing diode VD, the positive pole of described voltage stabilizing diode VD is connected with the base stage of the first triode Q1, the collector of described first triode Q1 is connected with the positive pole of dry cell batteries GB by resistance R1, the collector of described first triode Q1 is also connected with the base stage of the second triode Q2 by biasing resistor R2, the emitter of described second triode Q2 is connected with the positive pole of dry cell batteries GB, the collector of described second triode Q2 is connected with the positive pole of light emitting diode D, the negative pole of described light emitting diode D is connected with the signal input part of voice integrated chip HL-169A, the negative pole of described light emitting diode D is also connected with the negative pole of dry cell batteries GB by resistance R3, the drain electrode of described technotron G1, the emitter of the first triode Q1 is connected with the negative pole of dry cell batteries GB, the output terminal of described voice integrated chip HL-169A is connected with the base stage of the 3rd triode Q3, the collector of described 3rd triode Q3 is connected with the positive pole of dry cell batteries GB by hummer BL, the emitter of described 3rd triode Q3 is connected with the negative pole of dry cell batteries GB.
2. a kind of high voltage induction alarm according to claim 1, is characterized in that: the voltage of described dry cell batteries GB is 6V.
3. a kind of high voltage induction alarm according to claim 1, is characterized in that: the positive pole of described dry cell batteries GB is in series with switch S.
4. a kind of high voltage induction alarm according to claim 1, is characterized in that: parallel filtering electric capacity C1 between described dry cell batteries GB positive and negative electrode.
5. a kind of high voltage induction alarm according to claim 1, is characterized in that: described first triode Q1, the 3rd triode Q3 are NPN triode, and described second triode Q2 is PNP triode.
6. a kind of high voltage induction alarm according to claim 1, is characterized in that: the power input of described voice integrated chip HL-169AA is connected with the positive pole of dry cell batteries GB by current-limiting resistance R4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520186043.3U CN204614158U (en) | 2015-03-31 | 2015-03-31 | A kind of high voltage induction alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520186043.3U CN204614158U (en) | 2015-03-31 | 2015-03-31 | A kind of high voltage induction alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204614158U true CN204614158U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520186043.3U Expired - Fee Related CN204614158U (en) | 2015-03-31 | 2015-03-31 | A kind of high voltage induction alarm |
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| CN (1) | CN204614158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104778813A (en) * | 2015-03-31 | 2015-07-15 | 苏州华徕光电仪器有限公司 | High-voltage induction alarm |
-
2015
- 2015-03-31 CN CN201520186043.3U patent/CN204614158U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104778813A (en) * | 2015-03-31 | 2015-07-15 | 苏州华徕光电仪器有限公司 | High-voltage induction alarm |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20160331 |