CN207068209U - A kind of soft-touch type warning device - Google Patents
A kind of soft-touch type warning device Download PDFInfo
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- CN207068209U CN207068209U CN201720786459.8U CN201720786459U CN207068209U CN 207068209 U CN207068209 U CN 207068209U CN 201720786459 U CN201720786459 U CN 201720786459U CN 207068209 U CN207068209 U CN 207068209U
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- loudspeaker
- pole
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- 239000003990 capacitor Substances 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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Abstract
The utility model discloses a kind of soft-touch type warning device, touch-switch S1 one end is connected by resistance R1 with battery G positive pole, the touch-switch S1 other end is connected by resistance R2 with battery G negative pole, battery G positive pole is also connected by potentiometer RP with triode Q1 base stage, triode Q1 colelctor electrode is connected with triode Q2 base stage, polar capacitor C1 is provided between triode Q2 colelctor electrode and triode Q1 base stage, the one end of triode Q2 colelctor electrode also with loudspeaker F is connected, triode Q1 emitter stage is connected with the loudspeaker F other end.The utility model is provided with the audio oscillator circuit that touch-switch, loudspeaker, battery and two triodes are formed, and after touch-switch is pressed, loudspeaker forms loop, loudspeaker is triggered by audio oscillator circuit and sends alarm, circuit is simple, and cost is cheap, has a good application prospect.
Description
Technical field
A kind of soft-touch type warning device is the utility model is related to, belongs to electronic circuit technology field.
Background technology
People are when facing a danger, such as, it is necessary to send alarm and call for help sound when walk outside at night or want help.
But the sound of people is limited, moreover, longer time can not be continued.At present, warning circuit on the market, circuit is complicated, required
Electronic component is more, and cost is higher, is not easy to widely promote.
Utility model content
The purpose of this utility model is that to overcome be existing warning circuit, and circuit is complicated, and required electronic component is more, cost
The problem of higher.Soft-touch type warning device of the present utility model, it is provided with touch-switch, loudspeaker, battery and two three poles
The audio oscillator circuit that pipe is formed, after touch-switch is pressed, loudspeaker forms loop, is raised one's voice by audio oscillator circuit triggering
Device sends alarm, and circuit is simple, easily realizes, cost is cheap, has a good application prospect.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of soft-touch type warning device, it is characterised in that：It is described light including touch-switch S1, loudspeaker F and battery G
The one end for touching switch S1 is connected by resistance R1 with battery G positive pole, and the other end of the touch-switch S1 passes through resistance
R2 is connected with battery G negative pole,
The positive pole of the battery G is also connected by potentiometer RP with triode Q1 base stage, the triode Q1's
Colelctor electrode is connected with triode Q2 base stage, and the emitter stage of the triode Q2 is connected with battery G positive pole, and described three
Polar capacitor C1, the positive pole of the polar capacitor C1 and three poles are provided between pole pipe Q2 colelctor electrode and triode Q1 base stage
Pipe Q2 colelctor electrode is connected, and the one end of the colelctor electrode of the triode Q2 also with loudspeaker F is connected, the triode Q1's
Emitter stage is connected with the loudspeaker F other end, and the positive pole of the other end of the loudspeaker F also with IGCT VS is connected, institute
The negative pole for stating IGCT VS is connected with battery G negative pole, and gate pole and touch-switch S, the resistance R2 of the IGCT VS connect
The place of connecing is connected.
A kind of foregoing soft-touch type warning device, it is characterised in that：The positive pole of the battery G is in series with switch S2.
A kind of foregoing soft-touch type warning device, it is characterised in that：Voltage between the battery G positive and negative electrodes is 9V.
A kind of foregoing soft-touch type warning device, it is characterised in that：The triode Q1 is NPN type triode, model
2N2222 triode.
A kind of foregoing soft-touch type warning device, it is characterised in that：The triode Q2 is PNP type triode, model
2N3636 triode.
A kind of foregoing soft-touch type warning device, it is characterised in that：The power of the loudspeaker is 8W.
A kind of foregoing soft-touch type warning device, it is characterised in that：Filter is parallel between the positive and negative electrode of the battery G
Ripple electric capacity C2.
The beneficial effects of the utility model are：Soft-touch type warning device of the present utility model, is provided with touch-switch, raises one's voice
The audio oscillator circuit that device, battery and two triodes are formed, after touch-switch is pressed, loudspeaker forms loop, passes through
Audio oscillator circuit triggering loudspeaker sends alarm, and circuit is simple, easily realizes, cost is cheap, before having good application
Scape.
Brief description of the drawings
Fig. 1 is the circuit diagram of soft-touch type warning device of the present utility model.
Embodiment
Below in conjunction with Figure of description, the utility model is described in further detail.Following examples are only used for more clear
Illustrate to Chu the technical solution of the utility model, and the scope of protection of the utility model can not be limited with this.
As shown in figure 1, soft-touch type warning device of the present utility model, including touch-switch S1, loudspeaker F and battery G,
One end of the touch-switch S1 is connected by resistance R1 with battery G positive pole, and the other end of the touch-switch S1 leads to
The negative pole that resistance R2 is crossed with battery G is connected,
The positive pole of the battery G is also connected by potentiometer RP with triode Q1 base stage, the triode Q1's
Colelctor electrode is connected with triode Q2 base stage, and the emitter stage of the triode Q2 is connected with battery G positive pole, and described three
Polar capacitor C1, the positive pole of the polar capacitor C1 and three poles are provided between pole pipe Q2 colelctor electrode and triode Q1 base stage
Pipe Q2 colelctor electrode is connected, and the one end of the colelctor electrode of the triode Q2 also with loudspeaker F is connected, the triode Q1's
Emitter stage is connected with the loudspeaker F other end, and the positive pole of the other end of the loudspeaker F also with IGCT VS is connected, institute
The negative pole for stating IGCT VS is connected with battery G negative pole, and gate pole and touch-switch S, the resistance R2 of the IGCT VS connect
The place of connecing is connected.
The positive pole of the battery G is in series with switch S2.
Voltage between the battery G positive and negative electrodes is 9V, the alarm to loudspeaker, there is provided enough energy.
The triode Q1 is NPN type triode, and model 2N2222 triode, the triode Q2 is positive-negative-positive three
Pole pipe, model 2N3636 triode, cost is cheap, cheap to make, triode Q1, triode Q1, potentiometer RP, polarity electricity
Hold C1 and form audio oscillator circuit, here by adjusting potentiometer RP resistance, the tone of audio oscillator circuit can be adjusted.
The power of the loudspeaker is 8W, can send more loud alarm.
Filter capacitor C2 is parallel between the positive and negative electrode of the battery G, for the operating voltage for providing battery G
It is more stable.
Soft-touch type warning device of the present utility model, operation principle are as follows：When by lower switch S2, triode Q1, triode
Q1, potentiometer RP, polar capacitor C1 form audio oscillator circuit.But because loop is disconnected by IGCT VS, it is impossible to make to raise one's voice
Device F sends alarm；When facing a danger, after lower switch S1, IGCT VS gate pole is triggered, and loudspeaker F's returns
Road turns on, and loudspeaker F sends alarm.
In summary, soft-touch type warning device of the present utility model, touch-switch, loudspeaker, battery and two are provided with
The audio oscillator circuit that individual triode is formed, after touch-switch is pressed, loudspeaker forms loop, is touched by audio oscillator circuit
Hair loudspeaker sends alarm, and circuit is simple, easily realizes, cost is cheap, has a good application prospect.
General principle of the present utility model, main features and advantages have been shown and described above.The technical staff of the industry
It should be appreciated that the utility model is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification is originally
The principle of utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model also has various change
And improvement, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model requires protection scope
By appended claims and its equivalent thereof.
Claims (6)
- A kind of 1. soft-touch type warning device, it is characterised in that：It is described to touch including touch-switch S1, loudspeaker F and battery G Switch S1 one end is connected by resistance R1 with battery G positive pole, and the other end of the touch-switch S1 passes through resistance R2 It is connected with battery G negative pole,The positive pole of the battery G is also connected by potentiometer RP with triode Q1 base stage, the current collection of the triode Q1 Pole is connected with triode Q2 base stage, and the emitter stage of the triode Q2 is connected with battery G positive pole, the triode Polar capacitor C1, the polar capacitor C1 positive pole and triode Q2 are provided between Q2 colelctor electrode and triode Q1 base stage Colelctor electrode be connected, the one end of the colelctor electrode of the triode Q2 also with loudspeaker F is connected, the transmitting of the triode Q1 Pole is connected with the loudspeaker F other end, and the positive pole of the other end of the loudspeaker F also with IGCT VS is connected, the crystalline substance Brake tube VS negative pole is connected with battery G negative pole, gate pole and touch-switch S, the resistance R2 junctions of the IGCT VS It is connected.
- A kind of 2. soft-touch type warning device according to claim 1, it is characterised in that：The positive pole series connection of the battery G There is switch S2.
- A kind of 3. soft-touch type warning device according to claim 1, it is characterised in that：Between the battery G positive and negative electrodes Voltage be 9V.
- A kind of 4. soft-touch type warning device according to claim 1, it is characterised in that：The triode Q1 is NPN type three Pole pipe, model 2N2222 triode.
- A kind of 5. soft-touch type warning device according to claim 1, it is characterised in that：The triode Q2 is positive-negative-positive three Pole pipe, model 2N3636 triode.
- A kind of 6. soft-touch type warning device according to claim 1, it is characterised in that：The power of the loudspeaker is 8W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720786459.8U CN207068209U (en) | 2017-07-02 | 2017-07-02 | A kind of soft-touch type warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720786459.8U CN207068209U (en) | 2017-07-02 | 2017-07-02 | A kind of soft-touch type warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207068209U true CN207068209U (en) | 2018-03-02 |
Family
ID=61508026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720786459.8U Active CN207068209U (en) | 2017-07-02 | 2017-07-02 | A kind of soft-touch type warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207068209U (en) |
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2017
- 2017-07-02 CN CN201720786459.8U patent/CN207068209U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181012 Address after: 202155 Shanghai city Chongming County Bridge Town Xiushan Road 8 3 building I area 2009 room (Chongming Industrial Park) Patentee after: Shanghai access Energy Technology Co., Ltd. Address before: 323913 No. 4, bamboo garden, La Kou Town, Qingtian County, Lishui, Zhejiang Patentee before: Li Haiqing |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190329 Address after: 529200 Dajiang Town Industrial Development Zone, Taishan City, Jiangmen City, Guangdong Province Patentee after: Ping'an Hardware Products Co., Ltd. Taishan Address before: 202155 Shanghai city Chongming County Bridge Town Xiushan Road 8 3 building I area 2009 room (Chongming Industrial Park) Patentee before: Shanghai access Energy Technology Co., Ltd. |
|
| TR01 | Transfer of patent right |