CN104778813A - High-voltage induction alarm - Google Patents
High-voltage induction alarm Download PDFInfo
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- CN104778813A CN104778813A CN201510145414.8A CN201510145414A CN104778813A CN 104778813 A CN104778813 A CN 104778813A CN 201510145414 A CN201510145414 A CN 201510145414A CN 104778813 A CN104778813 A CN 104778813A
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- Prior art keywords
- triode
- dry cell
- cell batteries
- electrode
- induction alarm
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a high-voltage induction alarm. The high-voltage induction alarm comprises a dry battery pack, a junction field effect transistor, a first triode, a second triode, a third triode, a voice integrated chip and a buzzer, wherein a positive electrode of the dry battery pack is connected with a source electrode of the junction field effect transistor through a slide rheostat, a grid electrode of the junction field effect transistor is connected with a voltage induction electrode slice, the source electrode of the junction field effect transistor is further connected with a base electrode of the first triode through a voltage stabilizing diode, a collector electrode of the first triode is connected with a base electrode of the second triode through a biasing resistor, a collector electrode of the second triode is connected with a positive electrode of a light emitting diode, a negative electrode of the light emitting diode is connected with a signal input end of the voice integrated chip, an output end of the voice integrated chip is connected with a base electrode of the third triode, and a collector electrode of the third triode is connected with the positive electrode of the dry battery pack through the buzzer. The high-voltage induction alarm is simple in circuit, low in cost and high in control sensitivity and has a bright application prospect.
Description
Technical field
The present invention relates to a kind of high voltage induction alarm, belong 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.
Summary of the invention
Technical matters solved by the invention 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 invention, 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 solution adopted in the present invention 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 invention has the beneficial effects as follows: high voltage induction alarm of the present invention, circuit is simple, with low cost, controls highly sensitive, is convenient to batch production, has a good application prospect.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of high voltage induction alarm of the present invention.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Fig. 1, high voltage induction alarm of the present invention, 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 invention, 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 invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain 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 |
|---|---|---|---|
| CN201510145414.8A CN104778813A (en) | 2015-03-31 | 2015-03-31 | High-voltage induction alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510145414.8A CN104778813A (en) | 2015-03-31 | 2015-03-31 | High-voltage induction alarm |
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| Publication Number | Publication Date |
|---|---|
| CN104778813A true CN104778813A (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510145414.8A Pending CN104778813A (en) | 2015-03-31 | 2015-03-31 | High-voltage induction alarm |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201424962Y (en) * | 2009-06-03 | 2010-03-17 | 杨旭彬 | High-voltage sensing mining alarm |
| CN201477149U (en) * | 2009-07-28 | 2010-05-19 | 何俊 | Intelligent high voltage electroscope |
| JP4600180B2 (en) * | 2005-06-27 | 2010-12-15 | 株式会社日立製作所 | Semiconductor circuit using field effect type power semiconductor element |
| CN202025408U (en) * | 2011-04-20 | 2011-11-02 | 中国石化集团胜利石油管理局电力管理总公司 | Alarm device for approach to high-tension power transmission line |
| CN203224983U (en) * | 2013-03-24 | 2013-10-02 | 王海霞 | An induction type high-voltage safety alarming apparatus |
| CN203825777U (en) * | 2014-04-15 | 2014-09-10 | 张海艇 | High-voltage induction alarm device |
| CN204614158U (en) * | 2015-03-31 | 2015-09-02 | 苏州华徕光电仪器有限公司 | A kind of high voltage induction alarm |
-
2015
- 2015-03-31 CN CN201510145414.8A patent/CN104778813A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4600180B2 (en) * | 2005-06-27 | 2010-12-15 | 株式会社日立製作所 | Semiconductor circuit using field effect type power semiconductor element |
| CN201424962Y (en) * | 2009-06-03 | 2010-03-17 | 杨旭彬 | High-voltage sensing mining alarm |
| CN201477149U (en) * | 2009-07-28 | 2010-05-19 | 何俊 | Intelligent high voltage electroscope |
| CN202025408U (en) * | 2011-04-20 | 2011-11-02 | 中国石化集团胜利石油管理局电力管理总公司 | Alarm device for approach to high-tension power transmission line |
| CN203224983U (en) * | 2013-03-24 | 2013-10-02 | 王海霞 | An induction type high-voltage safety alarming apparatus |
| CN203825777U (en) * | 2014-04-15 | 2014-09-10 | 张海艇 | High-voltage induction alarm device |
| CN204614158U (en) * | 2015-03-31 | 2015-09-02 | 苏州华徕光电仪器有限公司 | A kind of high voltage induction alarm |
Non-Patent Citations (1)
| Title |
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| 陈有卿: "《新颖集成电路制作精选》", 30 April 2005, 人民邮电出版社 * |
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Application publication date: 20150715 |