CN201611855U - Three-phase four-wire full-wave rectifying switch power supply applied in electric power integrated observing and controlling instrument - Google Patents
Three-phase four-wire full-wave rectifying switch power supply applied in electric power integrated observing and controlling instrument Download PDFInfo
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- CN201611855U CN201611855U CN2010201320841U CN201020132084U CN201611855U CN 201611855 U CN201611855 U CN 201611855U CN 2010201320841 U CN2010201320841 U CN 2010201320841U CN 201020132084 U CN201020132084 U CN 201020132084U CN 201611855 U CN201611855 U CN 201611855U
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Abstract
The utility model relates to a three-phase four-wire full-wave rectifying switch power supply applied in an electric power integrated observing and controlling instrument, which comprises an interference suppression module, a surge-preventing module, a turned-on current limiting module, a full-wave rectifying module, a filtering loop, an overvoltage control module, a switch module, a high-frequency transformer, a feedback module, a 48V/0.1A output loop, a 5V/0.6A output loop, a 5V/2.5A output loop and a 12V/0.1A output loop which are connected in order. According to the utility model, when one or two of wires A, B, C and N of the electric power integrated observing and controlling instrument is broken, the power supply can normally work, the efficiency of the power supply used in the electric power integrated observing and controlling instrument is improved, the power consumption of the power supply is reduced, the electric power integrated observing and controlling instrument has good load regulation rate, wide voltage stabilization range, strong loading ability and good linearity regulation rate.
Description
Technical field
The utility model relates to a kind of three-phase and four-line full-wave rectification Switching Power Supply that is applied to electric integrated measurement and control instrument.
Background technology
The linear power supply ubiquity that uses in the electric integrated measurement and control instrument when the disconnection of N line, and power supply quits work can not be provided continuously for measurement and control instrument, supply of electric power reliably.Linear power supply also exists shortcomings such as power consumption is big, efficient is low, voltage stabilized range is poor, voltage regulation is poor, volume is big, heaviness, cause electric integrated measurement and control instrument Overall Power Consumption to increase, be subjected to input voltage fluctuation to influence big, job insecurity, to Product transport influence such as make troubles.
The utility model content
(technical problem that will solve)
The purpose of this utility model is that electric integrated measurement and control instrument arbitrary line in A, B, C, N is disconnected or the disconnection of wantonly two lines, power supply energy operate as normal, can improve the power supply that uses in the electric integrated measurement and control instrument efficient, reduce power supply power consumption, make it to possess load regulation preferably, voltage stabilized range is wide, load capacity is strong, line regulation is good.
(technical scheme)
For achieving the above object, the technical solution of the utility model is to adopt a kind of three-phase and four-line full-wave rectification Switching Power Supply that is applied to electric integrated measurement and control instrument, is made up of the inhibition interference module that connects successively, anti-surge module, restriction starup current module, full-wave rectification block, filter circuit, overvoltage control module, switch module, high frequency transformer, feedback module, 48V/0.1A output loop, 5V/0.6A output loop, 5V/2.5A output loop, 12V/0.1A output loop.
Wherein, described inhibition interference module is made up of L1～L4 differential mode inductance, L5 common mode inductance and safety electric capacity X1 in parallel, is used for suppressing to disturb entering power supply from the outside, also suppresses the outside interference of power supply.
Wherein, described anti-surge module is made up of piezo-resistance RV1, RV2, RV3.
Wherein, described restriction starup current module is made up of wire resistor RX1, RX2, RX3, is used to limit starup current, reduces the impact of mutation voltage to rectifying tube and injectron.
Wherein, described full-wave rectification block is in series in twos by diode D1～D16, is used to increase the oppositely withstand voltage of every group of rectifier diode, and 16 pipes constitute full-wave rectifying circuit.
Wherein, described filter circuit is made of electrochemical capacitor CE1～CE4, resistance R 1～R8 and inductance L 6, wherein, electrochemical capacitor CE1, CE2 connect and constitute first order filter circuit, resistance R 1～the R4 of series connection and the R5～R8 of series connection constitute the capacitor voltage equalizing circuit respectively, and inductance L 6 and CE3, CE4 constitute a low pass circuit to carry out producing high voltage direct current HV after the filtering.
Wherein, described overvoltage control module is by the overvoltage control loop that Converter Controlled by Current mode PWM device 2842B forms, and is used for turn-offing MOSFET when voltage is higher than 750V after the rectification, and the output of four road direct currents disconnects.
Wherein, described switch module is made up of power tube U1, D18, C1, R5, and D18, C1, R5 are used to suppress the peak voltage and the induced voltage that produce on winding.
Wherein, described high frequency transformer is made up of 5 windings altogether; Described feedback module is made up of U4, U5, R13, R14, R15, R16, is used for stablizing the main output voltage of 12V/0.1A output circuit.
Wherein, the described 48V/0.1A output loop output voltage that is used for described high frequency transformer obtains 48V/0.1A output through over commutation, amplifying circuit; Described 5V/0.6A output loop, the output voltage that is used for described high frequency transformer through the rectification circuit of forming by D19, CE9, L7, CE10 after, through the AOZ1010 voltage stabilizing circuit, obtain 5V/0.6A output via the filter circuit of inductance L 8, capacitor C 3 compositions at last; Described 5V/2.5A output loop, the output voltage that is used for described high frequency transformer through the rectification circuit of forming by D23, CE12, L9, CE13 after, through the MP1430 voltage stabilizing circuit, obtain 5V/2.5A output via the filter circuit of inductance L 10, C5, CE13 composition at last; Described 12V/0.1A output loop, the output voltage that is used for described high frequency transformer through the rectification circuit of forming by D23, CE12, L9, CE13 after, obtain 12V/0.1A through the feedback circuit adjustment and export.
(technique effect)
The utility model can disconnect or during the disconnection of wantonly two lines at electric integrated measurement and control instrument arbitrary line in A, B, C, N, make the power supply can both operate as normal, can also improve the power supply that uses in the electric integrated measurement and control instrument efficient, reduce power supply power consumption, make it to possess load regulation preferably, voltage stabilized range is wide, load capacity is strong and line regulation is good.
Description of drawings
Fig. 1 is the circuit structure diagram that is applied to the three-phase and four-line full-wave rectification Switching Power Supply of electric integrated measurement and control instrument of the present utility model.
Embodiment
Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, the three-phase and four-line full-wave rectification Switching Power Supply that is applied to electric integrated measurement and control instrument of the present utility model is made up of the inhibition interference module 1 that connects successively, anti-surge module 2, restriction starup current module 3, full-wave rectification block 4, filter circuit 5, overvoltage control module 6, switch module 7, high frequency transformer 8, feedback module 9,48V/0.1 A output loop 10,5V/0.6 A output loop 11,5V/2.5 A output loop 12,12V/0.1A output loop 13.
Wherein, suppress interference module 1 and form, be used for suppressing to disturb entering power supply from the outside, also suppress the outside interference of power supply by L1～L4 differential mode inductance, L5 common mode inductance and safety electric capacity X1 in parallel.
Wherein, anti-surge module 2 is made up of piezo-resistance RV1, RV2, RV3.
Wherein, restriction starup current module 3 is made up of wire resistor RX1, RX2, RX3, is used to limit starup current, and the minimizing mutation voltage is to the impact of rectifying tube and injectron.
Wherein, full-wave rectification block 4 is in series in twos by diode D1～D16, is used to increase the oppositely withstand voltage of every group of rectifier diode, and 16 pipes constitute full-wave rectifying circuit.
Wherein, filter circuit 5 is made of electrochemical capacitor CE1～CE4, resistance R 1～R8 and inductance L 6, wherein, electrochemical capacitor CE1, CE2 connect and constitute first order filter circuit, resistance R 1～the R4 of series connection and the R5～R8 of series connection constitute the capacitor voltage equalizing circuit respectively, and inductance L 6 and CE3, CE4 constitute a low pass circuit to carry out producing high voltage direct current HV after the filtering.
Wherein, overvoltage control module 6 is by the overvoltage control loop that Converter Controlled by Current mode PWM device 2842B forms, and is used for turn-offing MOSFET when voltage is higher than 750V after the rectification, and the output of four road direct currents disconnects.
Wherein, switch module 7 is made up of power tube U1, D18, C1, R5, and D18, C1, R5 are used to suppress the peak voltage and the induced voltage that produce on winding.
Wherein, high frequency transformer 8 is made up of 5 windings altogether; Feedback module 9 is made up of U4, U5, R13, R14, R15, R16, is used for stablizing the main output voltage of 12V/0.1A output circuit.
Wherein, 48V/0.1A output loop 10 output voltage that is used for high frequency transformer 8 obtains 48V/0.1A output through over commutation, amplifying circuit; 5V/0.6A output loop 11, the output voltage that is used for high frequency transformer 8 through the rectification circuit of forming by D19, CE9, L7, CE10 after, through the AOZ1010 voltage stabilizing circuit, the filter circuit of forming via inductance L 8, capacitor C 3 and obtain 5V/0.6A and export at last; 5V/2.5A output loop 12, the output voltage that is used for high frequency transformer 8 through the rectification circuit of forming by D23, CE12, L9, CE13 after, through the MP1430 voltage stabilizing circuit, obtain 5V/2.5A output via the filter circuit of inductance L 10, C5, CE13 composition at last; 12V/0.1A output loop 13, the output voltage that is used for high frequency transformer 8 through the rectification circuit of forming by D23, CE12, L9, CE13 after, obtain 12V/0.1A through the feedback circuit adjustment and export.
Adopt three-phase and four-line full-wave rectification Switching Power Supply, three-phase and four-line A, B, C, N input, through differential mode inductance, common mode inductance, safety electric capacity, piezo-resistance, be used to suppress external disturbance and enter power supply, simultaneously also prevent from the interference of power supply to external devices from effectively to improve Switching Power Supply electromagnetism compatibility feature.Be restriction three-phase and four-line full-wave rectification Switching Power Supply starup current, A, B, the every wire resistor that increases mutually of C, N.Rectification is pulsating direct current through the diode rectification circuit, through the two-stage filter circuit, enters high frequency transformer and master control chip circuit, forms the output of four tunnel low-tension supplies, is respectively two-way 5V output, 12V output, 48V output.Main road is that 12V output makes major loop that the output less than the 50mV ripple be arranged by feedback circuit, obtains 5V output power supply power comprehensive control instrument main control chip and the use of GPRS circuit by DC～DC conversion.12V output is used as the battery charge loop.48V is as relay, optocoupler and open into leaving use.
More than be preferred forms of the present utility model, according to the disclosed content of the utility model, those of ordinary skill in the art can expect apparently that some are equal to, substitute or the scheme of modification, all should fall into the scope of the utility model protection.
Claims (10)
1. three-phase and four-line full-wave rectification Switching Power Supply that is applied to electric integrated measurement and control instrument, it is characterized in that, form by the inhibition interference module (1) that connects successively, anti-surge module (2), restriction starup current module (3), full-wave rectification block (4), filter circuit (5), overvoltage control module (6), switch module (7), high frequency transformer (8), feedback module (9), 48V/0.1A output loop (10), 5V/0.6A output loop (11), 5V/2.5A output loop (12) and 12V/0.1A output loop (13).
2. the three-phase and four-line full-wave rectification Switching Power Supply that is applied to electric integrated measurement and control instrument as claimed in claim 1, it is characterized in that, described inhibition interference module (1) is made up of L1～L4 differential mode inductance, L5 common mode inductance and safety electric capacity X1 in parallel, be used for suppressing to disturb entering power supply from the outside, also suppress the outside interference of power supply.
3. the three-phase and four-line full-wave rectification Switching Power Supply that is applied to electric integrated measurement and control instrument as claimed in claim 1 is characterized in that described anti-surge module (2) is made up of piezo-resistance RV1, RV2, RV3.
4. the three-phase and four-line full-wave rectification Switching Power Supply that is applied to electric integrated measurement and control instrument as claimed in claim 1, it is characterized in that, described restriction starup current module (3) is made up of wire resistor RX1, RX2, RX3, be used to limit starup current, reduce the impact of mutation voltage rectifying tube and injectron.
5. the three-phase and four-line full-wave rectification Switching Power Supply that is applied to electric integrated measurement and control instrument as claimed in claim 1, it is characterized in that, described full-wave rectification block (4) is in series in twos by diode D1～D16, be used to increase the oppositely withstand voltage of every group of rectifier diode, 16 pipes constitute full-wave rectifying circuit.
6. the three-phase and four-line full-wave rectification Switching Power Supply that is applied to electric integrated measurement and control instrument as claimed in claim 1, it is characterized in that, described filter circuit (5) is made of electrochemical capacitor CE1～CE4, resistance R 1～R8 and inductance L 6, wherein, electrochemical capacitor CE1, CE2 connect and constitute first order filter circuit, resistance R 1～the R4 of series connection and the R5～R8 of series connection constitute the capacitor voltage equalizing circuit respectively, and inductance L 6 and CE3, CE4 constitute a low pass circuit to carry out producing high voltage direct current HV after the filtering.
7. the three-phase and four-line full-wave rectification Switching Power Supply that is applied to electric integrated measurement and control instrument as claimed in claim 1, it is characterized in that, the overvoltage control loop that described overvoltage control module (6) is made up of Converter Controlled by Current mode PWM device 2842B, be used for turn-offing MOSFET when voltage is higher than 750V after the rectification, the output of four road direct currents disconnects.
8. the three-phase and four-line full-wave rectification Switching Power Supply that is applied to electric integrated measurement and control instrument as claimed in claim 1, it is characterized in that, described switch module (7) is made up of power tube U1, D18, C1, R5, and D18, C1, R5 are used to suppress the peak voltage and the induced voltage that produce on winding.
9. the three-phase and four-line full-wave rectification Switching Power Supply that is applied to electric integrated measurement and control instrument as claimed in claim 1 is characterized in that,
Described high frequency transformer (8) is made up of 5 windings altogether;
Described feedback module (9) is made up of U4, U5, R13, R14, R15, R16, is used for stablizing the main output voltage of 12V/0.1A output circuit (13).
10. the three-phase and four-line full-wave rectification Switching Power Supply that is applied to electric integrated measurement and control instrument as claimed in claim 1 is characterized in that,
The output voltage that described 48V/0.1A output loop (10) is used for described high frequency transformer (8) obtains 48V/0.1A output through over commutation, amplifying circuit;
Described 5V/0.6A output loop (11), the output voltage that is used for described high frequency transformer (8) through the rectification circuit of forming by D19, CE9, L7, CE10 after, through the AOZ1010 voltage stabilizing circuit, obtain 5V/0.6A output via the filter circuit of inductance L 8, capacitor C 3 compositions at last;
Described 5V/2.5A output loop (12), the output voltage that is used for described high frequency transformer (8) through the rectification circuit of forming by D23, CE12, L9, CE13 after, through the MP1430 voltage stabilizing circuit, obtain 5V/2.5A output via the filter circuit of inductance L 10, C5, CE13 composition at last;
Described 12V/0.1A output loop (13), the output voltage that is used for described high frequency transformer (8) through the rectification circuit of forming by D23, CE12, L9, CE13 after, obtain 12V/0.1A through the feedback circuit adjustment and export.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201320841U CN201611855U (en) | 2010-03-12 | 2010-03-12 | Three-phase four-wire full-wave rectifying switch power supply applied in electric power integrated observing and controlling instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201320841U CN201611855U (en) | 2010-03-12 | 2010-03-12 | Three-phase four-wire full-wave rectifying switch power supply applied in electric power integrated observing and controlling instrument |
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| Publication Number | Publication Date |
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| CN201611855U true CN201611855U (en) | 2010-10-20 |
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| CN2010201320841U Expired - Fee Related CN201611855U (en) | 2010-03-12 | 2010-03-12 | Three-phase four-wire full-wave rectifying switch power supply applied in electric power integrated observing and controlling instrument |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005752A (en) * | 2010-10-22 | 2011-04-06 | 深圳市伟创电气有限公司 | Surge absorption device |
| CN102005944A (en) * | 2010-11-02 | 2011-04-06 | 苏州新大诚科技发展股份有限公司 | Power supply rectification circuit of intelligent power supply protector |
| CN102638185A (en) * | 2012-04-24 | 2012-08-15 | 温岭市三木机电有限公司 | Switching power source |
| CN103326594A (en) * | 2013-05-28 | 2013-09-25 | 华为技术有限公司 | N-phase communication power supply and method for adjusting output current of N-phase communication power supply |
| CN103904914A (en) * | 2014-03-18 | 2014-07-02 | 许继电气股份有限公司 | Power supply device and N-line-lacking protection circuit |
| CN106100308A (en) * | 2016-08-15 | 2016-11-09 | 威胜集团有限公司 | The power circuit of anti-lightning surge and the measuring instrument made with this circuit |
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2010
- 2010-03-12 CN CN2010201320841U patent/CN201611855U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005752A (en) * | 2010-10-22 | 2011-04-06 | 深圳市伟创电气有限公司 | Surge absorption device |
| CN102005944A (en) * | 2010-11-02 | 2011-04-06 | 苏州新大诚科技发展股份有限公司 | Power supply rectification circuit of intelligent power supply protector |
| CN102638185A (en) * | 2012-04-24 | 2012-08-15 | 温岭市三木机电有限公司 | Switching power source |
| CN103326594A (en) * | 2013-05-28 | 2013-09-25 | 华为技术有限公司 | N-phase communication power supply and method for adjusting output current of N-phase communication power supply |
| CN103326594B (en) * | 2013-05-28 | 2015-09-30 | 华为技术有限公司 | N communicates power supply and adjusts the method for its output current |
| CN103904914A (en) * | 2014-03-18 | 2014-07-02 | 许继电气股份有限公司 | Power supply device and N-line-lacking protection circuit |
| CN103904914B (en) * | 2014-03-18 | 2017-08-25 | 许继电气股份有限公司 | Supply unit and its scarce N lines protection circuit |
| CN106100308A (en) * | 2016-08-15 | 2016-11-09 | 威胜集团有限公司 | The power circuit of anti-lightning surge and the measuring instrument made with this circuit |
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| 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: 20101020 Termination date: 20140312 |