CN201113813Y - Power supply converter - Google Patents
Power supply converter Download PDFInfo
- Publication number
- CN201113813Y CN201113813Y CNU2007201721953U CN200720172195U CN201113813Y CN 201113813 Y CN201113813 Y CN 201113813Y CN U2007201721953 U CNU2007201721953 U CN U2007201721953U CN 200720172195 U CN200720172195 U CN 200720172195U CN 201113813 Y CN201113813 Y CN 201113813Y
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- power supply
- output
- voltage stabilizing
- stabilizing didoe
- electrochemical capacitor
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Abstract
The utility model relates to a power supply conversion device, comprising a power supply input live wire end, a zero line end which is earthed, a first output terminal and a second output terminal, wherein, a rectifying diode and a divider resistor are connected in series between the live wire end and the first output terminal, a positive electrode of the rectifying diode is connected with the live wire; a first electrolytic capacitor and a first constant voltage diode are connected in parallel between the first output terminal and the second output terminal, a second electrolytic capacitor, a second constant voltage diode and a ceramic flaky capacitor are connected in parallel between the second output terminal and the earth, wherein, a positive electrode of the first electrolytic capacitor and a negative electrode of the first constant voltage diode are connected with the first output terminal, a positive electrode of the second electrolytic capacitor and a negative electrode of the second constant voltage diode are connected with the second output terminal, a negative electrode of the second electrolytic capacitor and a positive electrode of the second constant voltage diode are earthed. The power supply conversion device has the advantages of the number of elements is small, the modulation is simple, the requirements can be satisfied by the direct conduction and the cost is low.
Description
Technical field
The utility model relates to power technology, more particularly, relates to a kind of low-cost power supply change-over device.
Background technology
In general control system, power supply generally is divided into three major types: Switching Power Supply, linear transformer power supply, resistance-capacitance depressurization power supply.Switching Power Supply debugging is cumbersome, and the linear transformer volume is big, takes up space, and resistance-capacitance depressurization mainly needs the electric capacity that the appearance value is big, and it is higher that these three kinds of power supplys all are that cost compares, and caused the waste of resource.
The utility model content
The technical problems to be solved in the utility model is that big, the defect of high cost of above-mentioned debugging trouble, volume at prior art provides a kind of low-cost power supply change-over device.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of power supply change-over device, comprise power supply input live wire end, zero line side, first output and second output, described zero line side ground connection; Wherein, be connected with rectifier diode, divider resistance between the described live wire end and first output, the positive pole of described rectifier diode links to each other with described live wire end; Be parallel with first electrochemical capacitor and first voltage stabilizing didoe between described first output and second output, be parallel with second electrochemical capacitor, second voltage stabilizing didoe and ceramic disc capacitor between second output and the ground, wherein, the negative pole of the positive pole of first electrochemical capacitor and first voltage stabilizing didoe links to each other with first output, the negative pole of the positive pole of second electrochemical capacitor and second voltage stabilizing didoe connects second output, the plus earth of the negative pole of second electrochemical capacitor and second voltage stabilizing didoe.
In power supply change-over device described in the utility model, described divider resistance comprises first divider resistance and second divider resistance of mutual polyphone.
In power supply change-over device described in the utility model, also be connected with piezo-resistance between described live wire end and the zero line side.
In power supply change-over device described in the utility model, described power supply is input as 120VAC, 60Hz, and first output (VDD) is+24VDC that second output (VCC) is+5.1VDC; Piezo-resistance (ZNR101) is that 7D271K, rectifier diode (D101) are for 1N4007, two divider resistances (R101, R102) are 2K71W, first electrochemical capacitor (C101) is that 100 μ F/35V, first voltage stabilizing didoe (Z101) are that 470 μ F/6.3V, second voltage stabilizing didoe (Z102) are 100N for 5.1V/0.5W, ceramic disc capacitor (C103) for 24V/0.5W, second electrochemical capacitor (C102).
Implement power supply change-over device of the present utility model, have following beneficial effect: device is few, debugging is simple, directly connection just can reach requirement, and with low cost.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the electrical block diagram of the utility model power supply change-over device;
Fig. 2 is the circuit diagram of the utility model power supply change-over device one embodiment.
Embodiment
As shown in Figure 1, in power supply change-over device of the present utility model, comprise power supply input live wire end CN101, zero line side CN102, the first output VDD and the second output VCC, wherein zero line side CN102 ground connection.Be parallel with a piezo-resistance ZNR101 between power supply input live wire end CN101 and the zero line side CN102.Be connected with rectifier diode D101, the first divider resistance R101, the second divider resistance R102 between the live wire end CN101 and the first output VDD, the positive pole of rectifier diode D101 links to each other with live wire end CN101.Be parallel with the first electrochemical capacitor C101 and the first voltage stabilizing didoe Z101 between the first output VDD and the second output VCC, be parallel with the second electrochemical capacitor C102, the second voltage stabilizing didoe Z102 and ceramic disc capacitor C103 between the second output VCC and the ground.Wherein, the negative pole of the positive pole of the first electrochemical capacitor C101 and the first voltage stabilizing didoe Z101 links to each other with the first output VDD; The positive pole of the negative pole of the first electrochemical capacitor C101 and the first voltage stabilizing didoe Z101 links to each other with the second output VCC; The negative pole of the positive pole of the second electrochemical capacitor C102 and the second voltage stabilizing didoe Z102 meets the second output VCC, the plus earth of the negative pole of the second electrochemical capacitor C102 and the second voltage stabilizing didoe Z102.
Power supply change-over device operation principle of the present utility model is: AC power is by after the rectifier diode D101 halfwave rectifier, through divider resistance R101, R102 dividing potential drop, pass through electrochemical capacitor C101, C102 filtering then, produce two kinds of voltage VDD (voltage of drive unit is provided) and VCC (chip operating voltage is provided) through voltage stabilizing didoe Z101 and Z102 serial connection again.Its characteristics are direct halfwave rectifier, then by electric resistance partial pressure, pass through capacitor filtering again, pass through the voltage-stabiliser tube voltage stabilizing at last again, required voltage produces by two voltage stabilizing didoes serial connections.
As selection, also can not add pressure-sensitive resistance ZNR101 (effect of piezo-resistance is to prevent from surge (thunderbolt) not have piezo-resistance can damage control circuit when surge occurring if impact).As another selection, an also available divider resistance replaces the first divider resistance R101 and the second divider resistance R102.The security standpoint of not associating considers that the failure probability of a resistance will double than the probability of two resistance; Be exactly the power that reduces divider resistance in addition, two resistance of described employing are preferred versions.
In specific embodiment shown in Figure 2, the input power supply is 120VAC, 60Hz, and first is output as+24VDC, and second is output as+5.1VDC.Wherein: piezo-resistance ZNR101 is that 7D271K, rectifier diode D101 are that to be 2K7 1W, the first electrochemical capacitor C101 be that 100 μ F/35V, the first voltage stabilizing didoe Z101 are that 24V/0.5W, the second electrochemical capacitor C102 are that 470 μ F/6.3V, the second voltage stabilizing didoe Z102 are that 5.1V/0.5W, ceramic disc capacitor C103 are 100N for 1N4007, two divider resistances.
The utility model supply unit can be used for the Based Intelligent Control of household electrical appliances, as electric iron, heater of hair straightener, phase-sequence detector, water heater etc.In actual applications, can change the parameter of out-put supply by the parameter that changes components and parts according to different control needs.
Claims (4)
1, a kind of power supply change-over device is characterized in that, comprises power supply input live wire end (CN101), zero line side (CN102), first output (VDD) and second output (VCC), described zero line side (CN102) ground connection; Wherein, be connected with rectifier diode (D101), divider resistance between described live wire end (CN101) and first output (VDD), the positive pole of described rectifier diode (D101) links to each other with described live wire end (CN101); Be parallel with first electrochemical capacitor (C101) and first voltage stabilizing didoe (Z101) between described first output (VDD) and second output (VCC), be parallel with second electrochemical capacitor (C102) between second output (VCC) and the ground, second voltage stabilizing didoe (Z102) and ceramic disc capacitor (C103), wherein, the negative pole of the positive pole of first electrochemical capacitor (C101) and first voltage stabilizing didoe (Z101) links to each other with first output (VDD), the negative pole of the positive pole of second electrochemical capacitor (C102) and second voltage stabilizing didoe (Z102) connects second output (VCC), the plus earth of the negative pole of second electrochemical capacitor (C102) and second voltage stabilizing didoe (Z102).
2, power supply change-over device according to claim 1 is characterized in that, described divider resistance comprises first divider resistance (R101) and second divider resistance (R102) of mutual polyphone.
3, power supply change-over device according to claim 2 is characterized in that, also is connected with piezo-resistance (ZNR101) between described live wire end and the zero line side.
4, power supply change-over device according to claim 3 is characterized in that, described power supply is input as 120VAC, 60Hz, and first output (VDD) is+24VDC that second output (VCC) is+5.1VDC; Piezo-resistance (ZNR101) is that 7D271K, rectifier diode (D101) are for 1N4007, two divider resistances (R101, R102) are 2K7 1W, first electrochemical capacitor (C101) is that 100 μ F/35V, first voltage stabilizing didoe (Z101) are that 470 μ F/6.3V, second voltage stabilizing didoe (Z102) are 100N for 5.1V/0.5W, ceramic disc capacitor (C103) for 24V/0.5W, second electrochemical capacitor (C102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201721953U CN201113813Y (en) | 2007-09-29 | 2007-09-29 | Power supply converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201721953U CN201113813Y (en) | 2007-09-29 | 2007-09-29 | Power supply converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201113813Y true CN201113813Y (en) | 2008-09-10 |
Family
ID=39965558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201721953U Expired - Fee Related CN201113813Y (en) | 2007-09-29 | 2007-09-29 | Power supply converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201113813Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103580472A (en) * | 2012-08-02 | 2014-02-12 | 成都联腾动力控制技术有限公司 | Rectification system circuit for drive circuit of power device of electric controller |
| CN105487591A (en) * | 2014-12-18 | 2016-04-13 | Dialog半导体（英国）有限公司 | Layered power supply used for reducing current consumption |
| CN105871198A (en) * | 2016-03-22 | 2016-08-17 | 山东超越数控电子有限公司 | Power supply capable of realizing lighting protection, surge protection, wide-voltage input and adjustable multi-voltage output |
-
2007
- 2007-09-29 CN CNU2007201721953U patent/CN201113813Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103580472A (en) * | 2012-08-02 | 2014-02-12 | 成都联腾动力控制技术有限公司 | Rectification system circuit for drive circuit of power device of electric controller |
| CN105487591A (en) * | 2014-12-18 | 2016-04-13 | Dialog半导体（英国）有限公司 | Layered power supply used for reducing current consumption |
| CN105871198A (en) * | 2016-03-22 | 2016-08-17 | 山东超越数控电子有限公司 | Power supply capable of realizing lighting protection, surge protection, wide-voltage input and adjustable multi-voltage output |
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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 |
Granted publication date: 20080910 Termination date: 20160929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |