CN204258650U - Resistance-capacitance depressurization power circuit - Google Patents
Resistance-capacitance depressurization power circuit Download PDFInfo
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- CN204258650U CN204258650U CN201420761345.4U CN201420761345U CN204258650U CN 204258650 U CN204258650 U CN 204258650U CN 201420761345 U CN201420761345 U CN 201420761345U CN 204258650 U CN204258650 U CN 204258650U
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Abstract
The utility model discloses a kind of resistance-capacitance depressurization power circuit, this circuit by piezo-resistance RV1, electric capacity C1 and C2, electrochemical capacitor C11 and C12, resistance R1 and R2, bidirectional trigger diode TVS1, diode VD1, VD2, VD3 and VD4, voltage stabilizing didoe VD11, triode V1 form.The magnetic of above-mentioned resistance-capacitance depressurization power circuit is little and cost is low.
Description
Technical field
The utility model relates to a kind of power circuit, is specifically a kind of resistance-capacitance depressurization power circuit.
Background technology
At present, be converted to by ac high voltage the circuit structure that DC low-voltage generally adopts transformer to add current rectifying and wave filtering circuit to be achieved.Although the circuit output voltage fluctuation of said structure is less and security reliability is higher, because it can produce larger magnetic in work process, thus interference is produced to the circuit of periphery, and if place separately the volume that then can affect circuit.In addition, adopt the circuit of this structure owing to employing the higher transformer of cost, thus make its production cost higher.Therefore, for these reasons, urgently need a kind of magnetic little and the resistance-capacitance depressurization power circuit that production cost is low, to solve the problem.
Utility model content
The technical problems to be solved in the utility model is, provides a kind of magnetic little and the resistance-capacitance depressurization power circuit that cost is low.
The technical solution of the utility model is, provides a kind of resistance-capacitance depressurization power circuit, comprises piezo-resistance RV1, electric capacity C1 and C2, electrochemical capacitor C11 and C12, resistance R1 and R2, bidirectional trigger diode TVS1, diode VD1, VD2, VD3 and VD4, voltage stabilizing didoe VD11, triode V1; Two electric connecting terminals of described piezo-resistance RV1 are alternating current input; One electric connecting terminal of described electric capacity C1 is connected with an electric connecting terminal of piezo-resistance RV1; Another electric connecting terminal of described electric capacity C1 is connected with an electric connecting terminal of resistance R1; Another electric connecting terminal of described resistance R1 is connected with an electric connecting terminal of bidirectional trigger diode TVS1, diode VD3 negative electrode, an electric connecting terminal of resistance R2, the anode of diode VD4; The negative electrode of described diode VD4 is DC output end; The negative electrode of described diode VD4 and the negative electrode of voltage stabilizing didoe VD11, diode VD2 negative electrode, emitting voltage VHH, the positive pole of electrochemical capacitor C12, an electric connecting terminal of electric capacity C2; Another electric connecting terminal of described piezo-resistance RV1 is connected with another electric connecting terminal of common ground end, bidirectional trigger diode TVS1, the anode of diode VD1; The negative electrode of described diode VD1 is connected with the positive pole of the anode of diode VD2, electrochemical capacitor C11; The negative pole of described electrochemical capacitor C11 is connected with the e pole of the anode of diode VD3, triode V1; The b pole of described triode V1 is connected with another electric connecting terminal of resistance R2; The negative pole of the c pole of described triode V1 and the anode of voltage stabilizing didoe VD11, electrochemical capacitor C12, another electric connecting terminal of electric capacity C2, common ground end are connected.
The model of described bidirectional trigger diode TVS1 is P6SMB22CA.
After adopting above structure, the utility model compared with prior art, has the following advantages:
The utility model resistance-capacitance depressurization power circuit directly inputs the high voltage alternating current of 80-280V at two electric connecting terminals of piezo-resistance RV1, then carry out step-down by electric capacity and piezo-resistance etc. and carry out rectification by triode, diode etc., thus the small voltage direct current of stable output.Because the utility model only have employed some basic devices, the magnetic therefore produced in its work process is less, thus avoids producing interference to the circuit of periphery.Also can put together with other circuit simultaneously, this in turn reduces the volume of circuit.In addition, the utility model potential circuit only employs cheap basic device, thus makes its production cost lower.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the utility model resistance-capacitance depressurization power circuit.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of resistance-capacitance depressurization power circuit of the utility model, comprise piezo-resistance RV1 (model is MYN15K-681), electric capacity C1 and C2, electrochemical capacitor C11 and C12, resistance R1 and R2, bidirectional trigger diode TVS1, diode VD1, VD2, VD3 and VD4, voltage stabilizing didoe VD11, triode V1; Two electric connecting terminals of described piezo-resistance RV1 are alternating current input, input 80-280V alternating current; One electric connecting terminal of described electric capacity C1 is connected with an electric connecting terminal of piezo-resistance RV1; Another electric connecting terminal of described electric capacity C1 is connected with an electric connecting terminal of resistance R1; Another electric connecting terminal of described resistance R1 is connected with an electric connecting terminal of bidirectional trigger diode TVS1, diode VD3 negative electrode, an electric connecting terminal of resistance R2, the anode of diode VD4; The negative electrode of described diode VD4 is DC output end, exports 13V; The negative electrode of described diode VD4 and the negative electrode of voltage stabilizing didoe VD11, diode VD2 negative electrode, emitting voltage VHH, the positive pole of electrochemical capacitor C12, an electric connecting terminal of electric capacity C2; The voltage of emitting voltage VHH is 15-30V; Another electric connecting terminal of described piezo-resistance RV1 is connected with another electric connecting terminal of common ground end, bidirectional trigger diode TVS1, the anode of diode VD1; The negative electrode of described diode VD1 is connected with the positive pole of the anode of diode VD2, electrochemical capacitor C11; The negative pole of described electrochemical capacitor C11 is connected with the e pole of the anode of diode VD3, triode V1; The b pole of described triode V1 is connected with another electric connecting terminal of resistance R2; The negative pole of the c pole of described triode V1 and the anode of voltage stabilizing didoe VD11, electrochemical capacitor C12, another electric connecting terminal of electric capacity C2, common ground end are connected.
The model of described bidirectional trigger diode TVS1 is P6SMB22CA.
Below only just most preferred embodiment of the present utility model is described, but can not be interpreted as it is limitations on claims.The utility model is not limited only to above embodiment, and its concrete structure allows to change.In every case the various change done in the protection range of the utility model independent claims is all in protection range of the present utility model.
Claims (2)
1. a resistance-capacitance depressurization power circuit, is characterized in that: comprise piezo-resistance RV1, electric capacity C1 and C2, electrochemical capacitor C11 and C12, resistance R1 and R2, bidirectional trigger diode TVS1, diode VD1, VD2, VD3 and VD4, voltage stabilizing didoe VD11, triode V1; Two electric connecting terminals of described piezo-resistance RV1 are alternating current input; One electric connecting terminal of described electric capacity C1 is connected with an electric connecting terminal of piezo-resistance RV1; Another electric connecting terminal of described electric capacity C1 is connected with an electric connecting terminal of resistance R1; Another electric connecting terminal of described resistance R1 is connected with an electric connecting terminal of bidirectional trigger diode TVS1, diode VD3 negative electrode, an electric connecting terminal of resistance R2, the anode of diode VD4; The negative electrode of described diode VD4 is DC output end; The negative electrode of described diode VD4 and the negative electrode of voltage stabilizing didoe VD11, diode VD2 negative electrode, emitting voltage VHH, the positive pole of electrochemical capacitor C12, an electric connecting terminal of electric capacity C2; Another electric connecting terminal of described piezo-resistance RV1 is connected with another electric connecting terminal of common ground end, bidirectional trigger diode TVS1, the anode of diode VD1; The negative electrode of described diode VD1 is connected with the positive pole of the anode of diode VD2, electrochemical capacitor C11; The negative pole of described electrochemical capacitor C11 is connected with the e pole of the anode of diode VD3, triode V1; The b pole of described triode V1 is connected with another electric connecting terminal of resistance R2; The negative pole of the c pole of described triode V1 and the anode of voltage stabilizing didoe VD11, electrochemical capacitor C12, another electric connecting terminal of electric capacity C2, common ground end are connected.
2. resistance-capacitance depressurization power circuit according to claim 1, is characterized in that: the model of described bidirectional trigger diode TVS1 is P6SMB22CA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420761345.4U CN204258650U (en) | 2014-12-05 | 2014-12-05 | Resistance-capacitance depressurization power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420761345.4U CN204258650U (en) | 2014-12-05 | 2014-12-05 | Resistance-capacitance depressurization power circuit |
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| CN204258650U true CN204258650U (en) | 2015-04-08 |
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| CN201420761345.4U Active CN204258650U (en) | 2014-12-05 | 2014-12-05 | Resistance-capacitance depressurization power circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329919A (en) * | 2016-09-05 | 2017-01-11 | 安徽中研电气有限责任公司 | Capacitor step-down power taking circuit using dynamic resistance |
-
2014
- 2014-12-05 CN CN201420761345.4U patent/CN204258650U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329919A (en) * | 2016-09-05 | 2017-01-11 | 安徽中研电气有限责任公司 | Capacitor step-down power taking circuit using dynamic resistance |
| CN106329919B (en) * | 2016-09-05 | 2018-12-25 | 安徽中研电气有限责任公司 | Use the capacitance decompression power-supply circuit of dynamic electric resistor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NINGBO SANXING INTELLIGENT ELECTRIC CO., LTD. Free format text: FORMER NAME: NINGBO XINSHANG INTELLIGENT ELECTRIC CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 315034 Ningbo, Jiangbei District, Zhejiang City, the town of Maple Bay Road, No. 16 Patentee after: Ningbo Samsung intelligent electric company limited Address before: 315034 Ningbo, Jiangbei District, Zhejiang City, the town of Maple Bay Road, No. 26 Patentee before: Ningbo Xinshang Intelligent Electronics Co., Ltd. |