CN204168272U - A kind of switching circuit with modified tone effect - Google Patents
A kind of switching circuit with modified tone effect Download PDFInfo
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- CN204168272U CN204168272U CN201420634676.1U CN201420634676U CN204168272U CN 204168272 U CN204168272 U CN 204168272U CN 201420634676 U CN201420634676 U CN 201420634676U CN 204168272 U CN204168272 U CN 204168272U
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- resistance
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- switching circuit
- modified tone
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Abstract
The utility model discloses a kind of switching circuit with modified tone effect, the Touching electrode M of this switching circuit is connected with one end of resistance R10, the other end of resistance R10 is connected with one end of resistance R11, the other end of resistance R11 is connected with the base stage of triode VT1, the other end of resistance R11 is also connected with one end of resistance R2, and the other end of resistance R2 is connected with phase line.The touch switch circuit that the utility model adopts human body leakage circuit to arrange, when staff touches M, 220V alternating current forms loop through human body, M, R10, R11, R2 and the earth, old friend's body leakage current injects the base stage of VT1 through R1, make the rapid conducting of VT1, complementary oscillator works, loud speaker sounding alarm, this circuit structure is reliably practical and convenient, electric capacity C1 stores electric charge can be continued to maintain oscillator operation, and along with C1 electric discharge, alarm sound also can produce novel modified tone effect, can concern be caused, there is practical value.
Description
Technical field
The utility model relates to switching circuit field, particularly, relates to a kind of switching circuit with modified tone effect.
Background technology
Soft-touch control is the emerging product of one of development in science and technology progress.It generally refers to a kind of switch on wall of application touch sensible chip concept design, is the regeneration product of traditional mechanical button type wall switch.Can realize the advantage that soft-touch control that is more intelligent, more convenient operation has traditional switch incomparable, be popular a kind of decorative switch of current family product.
It is more that soft-touch control is applied in floor passage, but simply utilize a kind of switching circuit with modified tone effect of noise signal but seldom to mention.The purpose of this utility model is just to provide a kind of a kind of switching circuit with modified tone effect can sounded after connecting circuit.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of switching circuit with modified tone effect, this switching circuit is the touch switch circuit adopting human body leakage circuit to arrange, when staff touches M, 220V alternating current is through human body, M, R1, R2 forms loop with the earth, old friend's body leakage current injects the base stage of VT1 through R1, make the rapid conducting of VT1, complementary oscillator works, loud speaker sounding alarm, this circuit structure is reliably practical and convenient, electric capacity C1 stores electric charge can be continued to maintain oscillator operation, along with C1 electric discharge, alarm sound also can produce novel modified tone effect, concern can be caused, very there is practical value.
The technical scheme in the invention for solving the above technical problem is:
There is a switching circuit for modified tone effect, comprise Touching electrode M, resistance R10, resistance R11, R2, R3, R4, R5, electric capacity C1, C2, C4, triode VT1, VT2, VT3, diode VD1, VD2, loud speaker B, transformer T;
Touching electrode M is connected with one end of resistance R10, the other end of resistance R10 is connected with one end of resistance R11, the other end of resistance R11 is connected with the base stage of triode VT1, and the other end of resistance R11 is also connected with one end of resistance R2, and the other end of resistance R2 is connected with phase line;
The emitter of triode VT1 is connected with one end of electric capacity C1, and the other end of electric capacity C1 is connected with phase line; The emitter of triode VT1 is also connected with one end of resistance R3, the other end of resistance R3 is connected with the base stage of triode VT2, the other end of resistance R3 is also connected with one end of electric capacity C2, the other end of electric capacity C2 is connected with one end of resistance R4, the other end of resistance R4 is connected with the collector electrode of triode VT3, the collector electrode of triode VT1 is connected with the negative pole of diode VD1, and the positive pole of diode VD1 is connected with one end of electric capacity C4, and the other end of electric capacity C4 is connected with zero line;
The emitter of triode VT2 is connected with phase line, the collector electrode of triode VT2 is connected with the base stage of triode VT3, the collector electrode of triode VT3 is also connected with one end of the primary coil of transformer T, the other end of the primary coil of transformer T is connected with phase line, and the secondary coil of transformer T is connected with loud speaker B;
One end of resistance R5 is connected with zero line, and the other end of resistance R5 is connected with one end of electric capacity C4; The positive pole of diode VD2 is connected with phase line, and the negative pole of diode VD2 is connected with the other end of resistance R5.
The utility model is actually the touch mode alarm switch utilizing human body leakage current to form, and diode VD1, VD2, electric capacity C4 etc. form capacitance decompression half-wave rectifier voltage circuit, export about 6V direct voltage.VT2, VT3 form complementary type low-frequency oscillator, and VT1 is leakage current amplifier.R10, R11 are Secure isolation resistance.The phase line of 220V alternating current must be connected with zero line shown in scheming, otherwise circuit cisco unity malfunction.When staff touches M, 220V alternating current forms loop through human body, M, R10, R11, R2 and the earth, and old friend's body leakage current injects the base stage of VT1 through R1, makes the rapid conducting of VT1, complementary oscillator work, B sounding alarm.After staff leaves M, VT1 recovers cut-off, but electric capacity C1 storage electric charge can continue to maintain oscillator operation, and along with C1 electric discharge, alarm sound also can produce modified tone effect.Adopt the soft-touch control of human body leakage current composition must guarantee being perfectly safe of user, this circuit R11 and R10 is high value resistors, and the electric current flowing through human body is less than the leakage current surveying electricity with voltage test pencil, reliably fool proof.C4 requires the polypropylene capacitor adopting withstand voltage more than 400V.
Described triode VT1 is 9014 types, and triode VT1 is NPN type.
Described triode VT2 is 9013 types, and triode VT1 is NPN type, and triode VT3 is 9012 types, and triode VT3 is positive-negative-positive.
Described electric capacity C1 is polar capacitor, and electric capacity C1 is 100 μ F, electric capacity C2 be 0.033 μ F, electric capacity C4 is 0.47 μ F.
Also comprise electric capacity C3, described electric capacity C3 is polar capacitor, and one end of electric capacity C3 is connected with the negative pole of diode VD1, and the other end of electric capacity C3 is connected with phase line.
Described resistance R1 is 470K Europe, and resistance R2 is 100k Europe, and resistance R3 is 100k Europe, and resistance R4 is 1k Europe, and resistance R5 is 1M Europe.
To sum up, the beneficial effects of the utility model are:
This switching circuit of the utility model is the touch switch circuit adopting human body leakage circuit to arrange, when staff touches M, 220V alternating current forms loop through human body, M, R10, R11, R2 and the earth, old friend's body leakage current injects the base stage of VT1 through R1, make the rapid conducting of VT1, complementary oscillator works, loud speaker sounding alarm, this circuit structure is reliably practical and convenient, electric capacity C1 stores electric charge can be continued to maintain oscillator operation, and along with C1 electric discharge, alarm sound also can produce novel modified tone effect, can concern be caused, very there is practical value.
Accompanying drawing explanation
Fig. 1 is the utility model structure chart.
Embodiment
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the utility model do, but execution mode of the present utility model is not limited thereto.
Embodiment 1:
As shown in Figure 1, a kind of switching circuit with modified tone effect, comprises Touching electrode M, resistance R10, resistance R11, R2, R3, R4, R5, electric capacity C1, C2, C4, triode VT1, VT2, VT3, diode VD1, VD2, loud speaker B, transformer T;
Touching electrode M is connected with one end of resistance R10, the other end of resistance R10 is connected with one end of resistance R11, the other end of resistance R11 is connected with the base stage of triode VT1, and the other end of resistance R11 is also connected with one end of resistance R2, and the other end of resistance R2 is connected with phase line;
The emitter of triode VT1 is connected with one end of electric capacity C1, and the other end of electric capacity C1 is connected with phase line; The emitter of triode VT1 is also connected with one end of resistance R3, the other end of resistance R3 is connected with the base stage of triode VT2, the other end of resistance R3 is also connected with one end of electric capacity C2, the other end of electric capacity C2 is connected with one end of resistance R4, the other end of resistance R4 is connected with the collector electrode of triode VT3, the collector electrode of triode VT1 is connected with the negative pole of diode VD1, and the positive pole of diode VD1 is connected with one end of electric capacity C4, and the other end of electric capacity C4 is connected with zero line;
The emitter of triode VT2 is connected with phase line, the collector electrode of triode VT2 is connected with the base stage of triode VT3, the collector electrode of triode VT3 is also connected with one end of the primary coil of transformer T, the other end of the primary coil of transformer T is connected with phase line, and the secondary coil of transformer T is connected with loud speaker B;
One end of resistance R5 is connected with zero line, and the other end of resistance R5 is connected with one end of electric capacity C4; The positive pole of diode VD2 is connected with phase line, and the negative pole of diode VD2 is connected with the other end of resistance R5.
The utility model is actually the touch mode alarm switch utilizing human body leakage current to form, and diode VD1, VD2, electric capacity C4 etc. form capacitance decompression half-wave rectifier voltage circuit, export about 6V direct voltage.VT2, VT3 form complementary type low-frequency oscillator, and VT1 is leakage current amplifier.R10, R11 are Secure isolation resistance.The phase line of 220V alternating current must be connected with zero line shown in scheming, otherwise circuit cisco unity malfunction.When staff touches M, 220V alternating current forms loop through human body, M, R10, R11, R2 and the earth, and old friend's body leakage current injects the base stage of VT1 through R1, makes the rapid conducting of VT1, complementary oscillator work, B sounding alarm.After staff leaves M, VT1 recovers cut-off, but electric capacity C1 storage electric charge can continue to maintain oscillator operation, and along with C1 electric discharge, alarm sound also can produce modified tone effect.Adopt the soft-touch control of human body leakage current composition must guarantee being perfectly safe of user, this circuit R11 and R10 is high value resistors, and the electric current flowing through human body is less than the leakage current surveying electricity with voltage test pencil, reliably fool proof.C4 adopts the polypropylene capacitor of withstand voltage more than 400V.
Embodiment 2:
Similar with embodiment 1, as shown in Figure 1, difference is: described triode VT1 is 9014 types, and triode VT1 is NPN type.
Described triode VT2 is 9013 types, and triode VT1 is NPN type, and triode VT3 is 9012 types, and triode VT3 is positive-negative-positive.
Described electric capacity C1 is polar capacitor, and electric capacity C1 is 100 μ F, electric capacity C2 be 0.033 μ F, electric capacity C4 is 0.47 μ F.
Also comprise electric capacity C3, described electric capacity C3 is polar capacitor, and one end of electric capacity C3 is connected with the negative pole of diode VD1, and the other end of electric capacity C3 is connected with phase line.
Described resistance R1 is 470K Europe, and resistance R2 is 100k Europe, and resistance R3 is 100k Europe, and resistance R4 is 1k Europe, and resistance R5 is 1M Europe.
As mentioned above, the utility model can be realized preferably.
Claims (6)
1. there is a switching circuit for modified tone effect, it is characterized in that, comprise Touching electrode M, resistance R10, resistance R11, R2, R3, R4, R5, electric capacity C1, C2, C4, triode VT1, VT2, VT3, diode VD1, VD2, loud speaker B, transformer T;
Touching electrode M is connected with one end of resistance R10, the other end of resistance R10 is connected with one end of resistance R11, the other end of resistance R11 is connected with the base stage of triode VT1, and the other end of resistance R11 is also connected with one end of resistance R2, and the other end of resistance R2 is connected with phase line;
The emitter of triode VT1 is connected with one end of electric capacity C1, and the other end of electric capacity C1 is connected with phase line; The emitter of triode VT1 is also connected with one end of resistance R3, the other end of resistance R3 is connected with the base stage of triode VT2, the other end of resistance R3 is also connected with one end of electric capacity C2, the other end of electric capacity C2 is connected with one end of resistance R4, the other end of resistance R4 is connected with the collector electrode of triode VT3, the collector electrode of triode VT1 is connected with the negative pole of diode VD1, and the positive pole of diode VD1 is connected with one end of electric capacity C4, and the other end of electric capacity C4 is connected with zero line;
The emitter of triode VT2 is connected with phase line, the collector electrode of triode VT2 is connected with the base stage of triode VT3, the collector electrode of triode VT3 is also connected with one end of the primary coil of transformer T, the other end of the primary coil of transformer T is connected with phase line, and the secondary coil of transformer T is connected with loud speaker B;
One end of resistance R5 is connected with zero line, and the other end of resistance R5 is connected with one end of electric capacity C4; The positive pole of diode VD2 is connected with phase line, and the negative pole of diode VD2 is connected with the other end of resistance R5.
2. a kind of switching circuit with modified tone effect according to claim 1, it is characterized in that, described triode VT1 is 9014 types, and triode VT1 is NPN type.
3. a kind of switching circuit with modified tone effect according to claim 1, it is characterized in that, described triode VT2 is 9013 types, and triode VT1 is NPN type, and triode VT3 is 9012 types, and triode VT3 is positive-negative-positive.
4. a kind of switching circuit with modified tone effect according to claim 1, it is characterized in that, described electric capacity C1 is polar capacitor, and electric capacity C1 is 100 μ F, electric capacity C2 be 0.033 μ F, electric capacity C4 is 0.47 μ F.
5. a kind of switching circuit with modified tone effect according to claim 1, it is characterized in that, also comprise electric capacity C3, described electric capacity C3 is polar capacitor, and one end of electric capacity C3 is connected with the negative pole of diode VD1, and the other end of electric capacity C3 is connected with phase line.
6. a kind of switching circuit with modified tone effect according to claim 1, it is characterized in that, described resistance R11 is 2.7M Europe, and resistance R11 is 2.7M Europe, and resistance R2 is 100k Europe, and resistance R3 is 100k Europe, and resistance R4 is 1k Europe, and resistance R5 is 1M Europe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420634676.1U CN204168272U (en) | 2014-10-30 | 2014-10-30 | A kind of switching circuit with modified tone effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420634676.1U CN204168272U (en) | 2014-10-30 | 2014-10-30 | A kind of switching circuit with modified tone effect |
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| Publication Number | Publication Date |
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| CN204168272U true CN204168272U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420634676.1U Expired - Fee Related CN204168272U (en) | 2014-10-30 | 2014-10-30 | A kind of switching circuit with modified tone effect |
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| CN (1) | CN204168272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104320120A (en) * | 2014-10-30 | 2015-01-28 | 成都峰达科技有限公司 | Switching circuit capable of generating modified tone |
-
2014
- 2014-10-30 CN CN201420634676.1U patent/CN204168272U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104320120A (en) * | 2014-10-30 | 2015-01-28 | 成都峰达科技有限公司 | Switching circuit capable of generating modified tone |
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| 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 |
Granted publication date: 20150218 Termination date: 20151030 |
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| EXPY | Termination of patent right or utility model |