CN202374190U - Single-phase and three-phase AC input compatible rectification circuit - Google Patents
Single-phase and three-phase AC input compatible rectification circuit Download PDFInfo
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- CN202374190U CN202374190U CN2011205586980U CN201120558698U CN202374190U CN 202374190 U CN202374190 U CN 202374190U CN 2011205586980 U CN2011205586980 U CN 2011205586980U CN 201120558698 U CN201120558698 U CN 201120558698U CN 202374190 U CN202374190 U CN 202374190U
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Abstract
The utility model relates to the technical field of power supplies, in particular to a single-phase and three-phase AC input compatible rectification circuit. The single-phase and three-phase AC input compatible rectification circuit comprises an input differential-mode filter circuit, an input common-mode filter circuit, a surge suppression circuit, a compatible filter circuit, a rectifying circuit and an output filter circuit, wherein the output terminal of the input differential-mode filter circuit is connected with the input terminal of the compatible filter circuit; the output terminal of the surge suppression circuit is connected with the input terminal of the compatible filter circuit; the output terminal of the compatible filter circuit is connected with the rectification circuit; the rectifying circuit is connected with the input terminal of the output filter circuit; and the output filter circuit outputs a power supply voltage to an electric device. The single-phase and three-phase AC input compatible rectification circuit achieves compatibility of single-phase and three-phase AC inputs, realizes normal operation of both the single-phase AC input and the three-phase AC input, enhances the practicability of a power supply and shortens the development period of the power supply.
Description
Technical field
The utility model relates to a kind of rectification circuit, the input compatible rectification circuit of particularly a kind of single-phase three-phase alternating current.
Background technology
Because the modern medical service power supply is all very high to reliability, the stability requirement of power supply, so the construction cycle is longer.Yet market but requires development time weak point, the multi-sizeization of medical power supply to the demand of medical power supply.The power supply power supply system and the supply power voltage of countries in the world are not quite similar at present, and the power supply supply power mode that China uses mainly contains single-phase 220V, and three-phase 220V, and the more use of European countries is three-phase 110V supply power mode.How to realize power supply single-phase be to reduce the power supply R&D costs, shorten one of power supply construction cycle effective way with the compatibility three phase supply mode, also be one of effective way that solves medical power supply requirement problem.
The utility model content
The purpose of the utility model is: the problems referred to above to prior art exists provide a kind of single-phase three-phase alternating current input compatible rectification circuit.
To achieve these goals, the technical scheme of the utility model employing is:
The input compatible rectification circuit of a kind of single-phase three-phase alternating current comprises input differential mode filter circuit, input common mode filtering circuit, surge restraint circuit, compatible filter circuit, rectification circuit and output filter circuit; Said input differential mode filter circuit output is connected with compatible filter circuit input; Said surge restraint circuit output is connected with compatible filter circuit input; Said compatible filter circuit output connects rectification circuit; Said rectification circuit is connected with the output filter circuit input; Said output filter circuit output supply voltage is to electrical appliance.
Preferred version as the utility model; The input compatible rectification circuit of above-mentioned single-phase three-phase alternating current also comprises the pin sockets with four pins; The first pin ground connection wherein; Second pin, the 3rd pin and the 4th pin are input interface, and second pin, the 3rd pin and the 4th pin all are connected with compatible rectification circuit with input differential mode filter circuit, input common mode filtering circuit, surge restraint circuit.
Preferred version as the utility model; Said input differential mode filter circuit is made up of first electric capacity that is connected in parallel on second pin, the 3rd pin and the 4th pin respectively, second electric capacity, the 3rd electric capacity, and said first electric capacity, second electric capacity, the 3rd electric capacity are X electric capacity.Said input common mode filtering circuit is made up of the 4th electric capacity that is connected on second pin, the 3rd pin and the 4th pin respectively, the 5th electric capacity, the 6th electric capacity; The equal ground connection of the other end of said the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity are Y electric capacity.During the single phase alternating current (A.C.) input, second leads ends is as the N input, and the 4th pin is as the L input; During the three-phase alternating current input, second pin, the 3rd pin and the 4th leads ends are respectively as A input, B input, C input; Said input differential mode filter circuit, input common mode filtering circuit are used to reduce input voltage ripple and high-frequency harmonic.
Preferred version as the utility model; Said surge restraint circuit comprises first piezo-resistance, second piezo-resistance, the 3rd piezo-resistance that is connected on second pin, the 3rd pin and the 4th pin respectively, and is connected in parallel on the 4th piezo-resistance between second pin and the 4th pin.Start surge current when said the 4th piezo-resistance is used to reduce the single phase alternating current (A.C.) input; Start surge current when said first piezo-resistance, second piezo-resistance, the 3rd piezo-resistance reduce the three-phase alternating current input.
Preferred version as the utility model; Said compatible filter circuit comprises the first three-phase common mode filtering inductance, the second three-phase common mode filtering inductance that is connected with the first three-phase common mode filtering inductance; Three access points of the input of the said first three-phase common mode filtering inductance are connected with second pin, the 3rd pin, the 4th pin respectively; Three access points of its output are in series with the 7th electric capacity, the 8th electric capacity, the 9th electric capacity respectively; Wherein, two access points in the output outside also are parallel with the tenth electric capacity, and the other end of said the 7th electric capacity, the 8th electric capacity, the 9th electric capacity connects two the 11 electric capacity, the 12 electric capacity parallel with one another; Three access points of the said second three-phase common mode filtering inductance output end are in series with the 13 electric capacity, the 14 electric capacity, the 15 electric capacity respectively; Wherein, Two access points in the output outside also are parallel with the 16 electric capacity, and the other end of said the 13 electric capacity, the 14 electric capacity, the 15 electric capacity connects two the 17 electric capacity, the 18 electric capacity parallel with one another; Wherein the 7th electric capacity, the 8th electric capacity, the 9th electric capacity, the tenth electric capacity, the 13 electric capacity, the 14 electric capacity, the 15 electric capacity, the 16 electric capacity are X electric capacity, and the 11 electric capacity, the 12 electric capacity, the 17 electric capacity, the 18 electric capacity are Y electric capacity.
Differential mode filter circuit when said the 7th electric capacity, the 8th electric capacity, the 9th electric capacity, the 13 electric capacity, the 14 electric capacity, the 15 electric capacity are formed the three-phase alternating current input; Differential mode filter circuit when said the tenth electric capacity, the 16 electric capacity are formed the single phase alternating current (A.C.) input; Common mode filtering circuit when said the 11 electric capacity, the 12 electric capacity, the 17 electric capacity, the 18 electric capacity are formed single phase alternating current (A.C.) input, three-phase alternating current input.
Preferred version as the utility model; In the said rectification circuit; Six diodes are formed three circuit parallel with one another; Every circuit is in series by two diodes, and three access points of the output of the said second three-phase common mode filtering inductance are connected between two diodes in three circuit parallel with one another.
As the preferred version of the utility model, said output filter circuit comprises the 5th piezo-resistance that is connected on rectification circuit output end, and the 19 electric capacity, the 20 electric capacity that are connected in parallel on rectification circuit output end.
As the preferred version of the utility model, three access points of the input of the said first three-phase common mode filtering inductance are connected with first fuse-link, second fuse-link, the 3rd fuse-link respectively.Parallel with one another between second pin of said pin sockets, the 3rd pin, the 4th pin have first resistance, second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance; Wherein, First resistance, the series connection of second resistance; The 3rd resistance, the series connection of the 4th resistance, the 5th resistance, the series connection of the 6th resistance.
In sum; Owing to adopted technique scheme; The beneficial effect of the utility model is: the input compatible rectification circuit of single-phase three-phase alternating current of the utility model, realized compatibility single-phase and the three-phase alternating current input, but single phase alternating current (A.C.) is imported, the equal operate as normal of three-phase alternating current input; Strengthen the practicality of power supply, also shortened the power supply construction cycle.
Description of drawings
Fig. 1 is the theory diagram of the utility model.
Fig. 2 is the circuit theory diagrams of the utility model embodiment.
Mark among the figure: 11-input differential mode filter circuit, 12-input common mode filtering circuit, 13-surge restraint circuit, the compatible filter circuit of 14-, 15-rectification circuit, 16-output filter circuit.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1; The input compatible rectification circuit of a kind of single-phase three-phase alternating current of the utility model; Comprise pin sockets with four pins; The first pin ground connection wherein, second pin, the 3rd pin and the 4th pin are input interface, and this rectification circuit also comprises input differential mode filter circuit 11, input common mode filtering circuit 12, surge restraint circuit 13, compatible filter circuit 14, rectification circuit 15 and output filter circuit 16; Said input differential mode filter circuit 11, input common mode filtering circuit 12 are used to reduce input voltage ripple and high-frequency harmonic, and input differential mode filter circuit 11 is connected with compatible filter circuit 14 inputs; Said surge restraint circuit 13 is used for reducing the start surge current, and its output is connected with compatible filter circuit 14 inputs; Said compatible filter circuit 14 outputs connect rectification circuit 15; Said rectification circuit 15 is connected with output filter circuit 16 inputs; Said output filter circuit 16 output supply voltages are to electrical appliance.
As shown in Figure 2; The input compatible rectification circuit of a kind of single-phase three-phase alternating current that present embodiment is enumerated; Pin 1 ground connection with the pin sockets of four pins; Be connected with piezo-resistance RV103 between pin 2 and the pin 4; Pin 2, pin 3, pin 4 also are connected with piezo-resistance RV100, RV102, RV101 respectively, and the other end of piezo-resistance RV100, RV102, RV101 is all through gas discharge tube GDTs101 ground connection, and piezo-resistance RV100, RV102, RV101, RV103 form surge restraint circuit 13; In pin 2, pin 3, the pin 4, be parallel with capacitor C 115, C121, C118 between any two, and capacitor C 115, C121, C118 be X electric capacity, capacitor C 115, C121, C118 form input differential mode filter circuit 11; In pin 2, pin 3, the pin 4, also be parallel with resistance R 105, R107, R109, R102, R110, R111 between any two, wherein R105, R107 series connection, R109, R102 series connection, R110, R111 series connection; Pin 2, pin 3, pin 4 are in series with capacitor C 109, C110, C102 respectively, and C109, C110, C102 are Y electric capacity, C109, C110, C102 other end ground connection; Pin 2, pin 3, pin 4 connect access point 3, access point 2, the access point 1 of the input of three-phase common mode filtering inductance L 104 respectively through fuse-link FU102, FU101, FU100; Three-phase common mode filtering inductance L 104 output access points 6, access point 5, access point 4 connect access point 1, access point 2, the access point 3 of the input of three-phase common mode filtering inductance L 105 respectively; Access point 6, access point 5, the access point 4 of three-phase common mode filtering inductance L 104 outputs are in series with capacitor C 107, C106, C113 respectively; Also be connected with capacitor C 120 between the access point 6 of three-phase common mode filtering inductance L 104 outputs, the access point 4; Capacitor C 107, C106, the C113 other end connect two capacitor C parallel with one another 112, C100, capacitor C 112, C100 other end ground connection; The access point 6 of the output of three-phase common mode filtering inductance L 105, access point 5, access point 4 are in series with capacitor C 105, C104, C103 respectively; Also be connected with capacitor C 119 between the access point 6 of three-phase common mode filtering inductance L 105 outputs, the access point 4, capacitor C 111, C101 ground connection that capacitor C 105, C104, C103 pass through two parallel connections; Wherein, Capacitor C 113, C106, C107, C120, C103, C104, C105, C119 are X electric capacity; C112, C100, C101, C111 are Y electric capacity, and three-phase common mode filtering inductance L 104, L105, capacitor C 113, C106, C107, C120, C103, C104, C105, C119, C112, C100, C101, C111 form compatible filter circuit 14.The output of three-phase common mode filtering inductance L 105 connects rectification circuit 15 inputs; In rectification circuit 15; 6 diodes are formed 3 parallel circuitss; Every parallel circuits is in series by 2 diodes, and the access point 6 of the output of three-phase common mode filtering inductance L 105, access point 5, access point 4 are connected between 2 diodes in each bar parallel circuits; Rectification circuit 15 outputs are in series with piezo-resistance RV104, are parallel with capacitor C 117, C116, and piezo-resistance RV104, capacitor C 117, C116 form output filter circuit 16.
During the three-phase input; X capacitor C 115, C121, C118 form three-phase input differential mode filter circuit jointly, during single-phase input, and X capacitor C 115 and C121; C121 and C118; C115 and C118 form single-phase difference-mode input filter circuit, when with single-phase or the input of three-phase alternating current form, and all can be to input voltage filtering ripple.Anti-surge resistance when the anti-surge resistance when RV103 is single-phase input the, RV100, RV101, RV102 are the three-phase input satisfies single-phase, the anti-surge requirement of three-phase.Capacitor C 100 is formed the common-mode filter electric capacity single-phase, that three-phase is compatible with C112, C101 and C111; Three-phase common mode filtering inductance L 104, L105 be compatible three-phase and single phase alternating current (A.C.) input simultaneously; When single phase alternating current (A.C.) and three-phase alternating current input; All can common-mode signal be delivered to Y electric capacity, and then, satisfy three-phase and single-phase common mode filtering demand the common mode disturbances the earth of releasing through X electric capacity; The leakage inductance of three-phase common mode filtering inductance L 104, L105 satisfies three-phase and single-phase differential mode filtering demand as the differential mode filter inductance,, has realized single-phase, three-phase EMI filtering that is.The restriction that the input compatible rectification circuit of single-phase three-phase alternating current of the utility model is not imported can exchange input with single-phase 220V by compatible three-phase 100V.
When making the PCB figure of the input compatible rectification circuit of single-phase three-phase alternating current that the present embodiment intercept enumerates; What adopt is four laminate cabling modes; The 3rd layer is ground plane layer; Whole the 3rd layer local area is a complete ground plane layer, and all main power trace-diagram are tried one's best cabling at the second layer and bottom, and the parasitic capacitance between layer and the layer can be good at filtering out the conduction interference of each frequency range.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.
Claims (10)
1. input compatible rectification circuit of single-phase three-phase alternating current; It is characterized in that the input compatible rectification circuit of this single-phase three-phase alternating current comprises input differential mode filter circuit, input common mode filtering circuit, surge restraint circuit, compatible filter circuit, rectification circuit and output filter circuit; Said input differential mode filter circuit output is connected with compatible filter circuit input; Said surge restraint circuit output is connected with compatible filter circuit input; Said compatible filter circuit output connects rectification circuit; Said rectification circuit is connected with the output filter circuit input; Said output filter circuit output supply voltage is to electrical appliance.
2. the input compatible rectification circuit of single-phase three-phase alternating current according to claim 1; It is characterized in that; The input compatible rectification circuit of this single-phase three-phase alternating current also comprises the pin sockets with four pins; The first pin ground connection wherein, second pin, the 3rd pin and the 4th pin are input interface, and second pin, the 3rd pin and the 4th pin all are connected with compatible rectification circuit with input differential mode filter circuit, input common mode filtering circuit, surge restraint circuit.
3. the input compatible rectification circuit of single-phase three-phase alternating current according to claim 2; It is characterized in that; Said input differential mode filter circuit is made up of first electric capacity that is connected in parallel on second pin, the 3rd pin and the 4th pin respectively, second electric capacity, the 3rd electric capacity, and said first electric capacity, second electric capacity, the 3rd electric capacity are X electric capacity.
4. the input compatible rectification circuit of single-phase three-phase alternating current according to claim 3; It is characterized in that; Said input common mode filtering circuit is made up of the 4th electric capacity that is connected on second pin, the 3rd pin and the 4th pin respectively, the 5th electric capacity, the 6th electric capacity; The equal ground connection of the other end of said the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity are Y electric capacity.
5. the input compatible rectification circuit of single-phase three-phase alternating current according to claim 4; It is characterized in that; Said surge restraint circuit comprises first piezo-resistance, second piezo-resistance, the 3rd piezo-resistance that is connected on second pin, the 3rd pin and the 4th pin respectively, and is connected in parallel on the 4th piezo-resistance between second pin and the 4th pin.
6. the input compatible rectification circuit of single-phase three-phase alternating current according to claim 5; It is characterized in that; Said compatible filter circuit comprises the first three-phase common mode filtering inductance, the second three-phase common mode filtering inductance that is connected with the first three-phase common mode filtering inductance; Three access points of the input of the said first three-phase common mode filtering inductance are connected with second pin, the 3rd pin, the 4th pin respectively; Three access points of its output are in series with the 7th electric capacity, the 8th electric capacity, the 9th electric capacity respectively; Wherein, two access points in the output outside also are parallel with the tenth electric capacity, and the other end of said the 7th electric capacity, the 8th electric capacity, the 9th electric capacity connects two the 11 electric capacity, the 12 electric capacity parallel with one another; Three access points of the said second three-phase common mode filtering inductance output end are in series with the 13 electric capacity, the 14 electric capacity, the 15 electric capacity respectively; Wherein, Two access points in the output outside also are parallel with the 16 electric capacity, and the other end of said the 13 electric capacity, the 14 electric capacity, the 15 electric capacity connects two the 17 electric capacity, the 18 electric capacity parallel with one another; Wherein the 7th electric capacity, the 8th electric capacity, the 9th electric capacity, the tenth electric capacity, the 13 electric capacity, the 14 electric capacity, the 15 electric capacity, the 16 electric capacity are X electric capacity, and the 11 electric capacity, the 12 electric capacity, the 17 electric capacity, the 18 electric capacity are Y electric capacity.
7. the input compatible rectification circuit of single-phase three-phase alternating current according to claim 6; It is characterized in that; In the said rectification circuit; Six diodes are formed three circuit parallel with one another, and every circuit is in series by two diodes, and three access points of the output of the said second three-phase common mode filtering inductance are connected between two diodes in three circuit parallel with one another.
8. the input compatible rectification circuit of single-phase three-phase alternating current according to claim 7; It is characterized in that; Said output filter circuit comprises the 5th piezo-resistance that is connected on rectification circuit output end, and the 19 electric capacity, the 20 electric capacity that are connected in parallel on rectification circuit output end.
9. the input compatible rectification circuit of single-phase three-phase alternating current according to claim 8 is characterized in that, three access points of the input of the said first three-phase common mode filtering inductance are connected with first fuse-link, second fuse-link, the 3rd fuse-link respectively.
10. the input compatible rectification circuit of single-phase three-phase alternating current according to claim 9; It is characterized in that; Parallel with one another between second pin of said pin sockets, the 3rd pin, the 4th pin have first resistance, second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, wherein, and first resistance, the series connection of second resistance; The 3rd resistance, the series connection of the 4th resistance, the 5th resistance, the series connection of the 6th resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205586980U CN202374190U (en) | 2011-12-28 | 2011-12-28 | Single-phase and three-phase AC input compatible rectification circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205586980U CN202374190U (en) | 2011-12-28 | 2011-12-28 | Single-phase and three-phase AC input compatible rectification circuit |
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| Publication Number | Publication Date |
|---|---|
| CN202374190U true CN202374190U (en) | 2012-08-08 |
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| CN2011205586980U Expired - Fee Related CN202374190U (en) | 2011-12-28 | 2011-12-28 | Single-phase and three-phase AC input compatible rectification circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113203A (en) * | 2014-07-17 | 2014-10-22 | 山东超越数控电子有限公司 | Method for locating EMI (Electromagnetic Interference) noise of switch power supply rapidly |
| EP3242382A1 (en) | 2016-05-04 | 2017-11-08 | ABB Schweiz AG | Ac-to-dc converter system |
| CN107623455A (en) * | 2017-09-27 | 2018-01-23 | 深圳点亮新能源技术有限公司 | A kind of power-supply system of intelligent electric meter |
-
2011
- 2011-12-28 CN CN2011205586980U patent/CN202374190U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113203A (en) * | 2014-07-17 | 2014-10-22 | 山东超越数控电子有限公司 | Method for locating EMI (Electromagnetic Interference) noise of switch power supply rapidly |
| CN104113203B (en) * | 2014-07-17 | 2016-06-08 | 山东超越数控电子有限公司 | A kind of method for quick position switch power supply EMI noise |
| EP3242382A1 (en) | 2016-05-04 | 2017-11-08 | ABB Schweiz AG | Ac-to-dc converter system |
| WO2017191245A1 (en) | 2016-05-04 | 2017-11-09 | Abb Schweiz Ag | Ac-to-dc converter system |
| US11050352B2 (en) | 2016-05-04 | 2021-06-29 | Abb Schweiz Ag | AC-to-DC converter system |
| CN107623455A (en) * | 2017-09-27 | 2018-01-23 | 深圳点亮新能源技术有限公司 | A kind of power-supply system of intelligent electric meter |
| CN107623455B (en) * | 2017-09-27 | 2023-08-22 | 深圳市富优镁科技有限公司 | Power supply system of intelligent ammeter |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20131228 |