CN202282744U - High-power high-frequency high-voltage switch power supply - Google Patents
High-power high-frequency high-voltage switch power supply Download PDFInfo
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- CN202282744U CN202282744U CN2011204405742U CN201120440574U CN202282744U CN 202282744 U CN202282744 U CN 202282744U CN 2011204405742 U CN2011204405742 U CN 2011204405742U CN 201120440574 U CN201120440574 U CN 201120440574U CN 202282744 U CN202282744 U CN 202282744U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The utility model relates to a high-power high-frequency high-voltage switch power supply. The switch power supply is composed of a power frequency rectification voltage-stabilizing circuit, a high frequency inversion circuit, a resonance circuit, a transformer, a high-frequency high-voltage rectification and voltage-stabilizing circuit, a look-ahead bridge arm IGBT (insulated gate bipolar translator) drive circuit and a lag bridge arm IGBT drive circuit, wherein the power frequency rectification voltage-stabilizing circuit, the high frequency inversion circuit, the resonance circuit, the transformer, and the high-frequency high-voltage rectification and voltage-stabilizing circuit are successively connected; and the look-ahead bridge arm IGBT drive circuit and the lag bridge arm IGBT drive circuit are respectively connected with the high frequency inversion circuit. By using the switch power supply, the design problem of the existing high-power switch power supply is mainly solved. The power supply has the advantages of rapid switching response and high control accuracy, and is suitable for occasions which require the high-power high-frequency high-voltage switch power supply.
Description
Technical field
The utility model relates to a kind of Switching Power Supply, particularly a kind of high-power high-frequency high-voltage Switching Power Supply.
Background technology
In recent years, along with the lifting of power device performance and the decline of price, make the large-scale production and application of high power contravariant device become possibility, and IGBT obtained fast development and extensive use in recent years as the outstanding representative of power device.Simultaneously, along with the appearance of new core material, make the volume of high frequency transformer more and more littler.High power switching power supply has a wide range of applications, as: Laser Power Devices, electrostatic precipitation are with high-frequency and high-voltage Switching Power Supply, energy-accumulating power station etc.And the required high-frequency and high-voltage high power switching power supply that provides in these application scenarios exists a difficult problem technically.
The utility model content
The purpose of the utility model is to provide a kind of high-power high-frequency high-voltage Switching Power Supply; Mainly solve the design challenges of existing high power switching power supply; It is fast that this power supply has switching response, and control precision is high, is applicable to the occasion that needs the high-power high-frequency high-voltage Switching Power Supply.
For realizing above-mentioned purpose, the utility model is to realize like this.
A kind of high-power high-frequency high-voltage Switching Power Supply is characterized in that: it is made up of industrial frequency rectifying voltage stabilizing circuit, high-frequency inverter circuit, resonant circuit, transformer, high-frequency and high-voltage rectification and voltage stabilizing circuit, leading-bridge IGBT drive circuit and lagging leg IGBT drive circuit; Wherein: industrial frequency rectifying voltage stabilizing circuit, high-frequency inverter circuit, resonant circuit, transformer, high-frequency and high-voltage rectification and voltage stabilizing circuit connect successively; Described leading-bridge IGBT drive circuit is connected with high-frequency inverter circuit respectively with lagging leg IGBT drive circuit.
Described high-power high-frequency high-voltage Switching Power Supply is characterized in that: described industrial frequency rectifying voltage stabilizing circuit is by the three-phase main-frequency AC power, power rectifier silicon stack D1 ~ D6; DC filtering inductance L 1; Electric capacity of voltage regulation C1, C2 and grading resistor R1, R2 form, and the three-phase main-frequency AC power connects the input of power rectifier silicon stack D1 ~ D6, after rectification, obtains direct current; The positive pole of direct current output connects the left end of inductance L 1; The right-hand member output of L1 meets C1, R1, R3, and the parallel circuits that C1 and R1 form is connected with the parallel circuits that C2 and R2 form, and the output of R3 connects the input of high-frequency inverter circuit.
Described high-power high-frequency high-voltage Switching Power Supply is characterized in that: described high-frequency inverter circuit is made up of high-power IGBT Q1 ~ Q4, sustained diode 7 ~ D10 and absorption capacitor C 3 ~ C6; Q1, D7, C3 compose in parallel the last brachium pontis of leading-bridge, and Q2, D9, C4 compose in parallel the following brachium pontis of leading-bridge, and Q3, D8, C5 compose in parallel the last brachium pontis of lagging leg, and Q4, D10, C6 compose in parallel the following brachium pontis of lagging leg.
Described high-power high-frequency high-voltage Switching Power Supply is characterized in that, described resonant circuit is made up of resonant inductance L2, resonant capacitance C7; The L2 left end connects high-frequency inverter circuit output, and the L2 right-hand member connects the left end of resonant capacitance C7, and the output of resonant capacitance C7 connects the input of transformer.
Described high-power high-frequency high-voltage Switching Power Supply is characterized in that: described transformer is the transformer T1 of non-crystaline amorphous metal as magnetic core.
Described high-power high-frequency high-voltage Switching Power Supply is characterized in that: described high-frequency and high-voltage rectification and voltage stabilizing circuit are made up of high-voltage rectification silicon stack D11 ~ D14, electric capacity of voltage regulation C8; Connect the output of transformer by the input of high-voltage rectification silicon stack D11 ~ D14, the output of high-voltage rectification silicon stack D11 ~ D14 connects the input of electric capacity of voltage regulation C8, and the output of electric capacity of voltage regulation C8 meets load R.
Described high-power high-frequency high-voltage Switching Power Supply is characterized in that: described leading-bridge IGBT drive circuit is made up of UCC3875, power amplification circuit, transformer T2; The VCC termination 15V power supply of UCC3875, the input of OUT A output Q5 and Q6, D15 and Q5 parallel connection; D16 and Q6 parallel connection, output connects the input of R4, and the output of R4 connects the input of transformer T2; The output of transformer T2 connects the DRIVER1 end of Q1, the input of OUT B output Q7 and Q8, D17 and Q7 parallel connection; D18 and Q8 parallel connection, output connects the input of transformer T2, and the output of transformer T2 connects the DRIVER2 end of Q2.
Described high-power high-frequency high-voltage Switching Power Supply is characterized in that: described lagging leg IGBT drive circuit is made up of UCC3875, power amplification circuit, transformer; The VCC termination 15V power supply of UCC3875, the input of OUT C output Q9 and Q10, D19 and Q9 parallel connection; D20 and Q10 parallel connection, output connects the input of R4, and the output of R4 connects the input of transformer T3; The output of transformer T3 connects the DRIVER3 end of Q3, the input of OUT D output Q11 and Q12, D21 and Q11 parallel connection; D22 and Q12 parallel connection, output connects the input of transformer T3, and the output of transformer T3 connects the DRIVER4 end of Q4.
The beneficial effect of the utility model is: the utility model obtains direct current with the three-phase main-frequency alternating current behind rectification filtering voltage stabilizing circuit; After the IGBT full bridge inverter converts direct current to high-frequency ac; After step-up transformer rises to ideal value with voltage, can obtain the relevant voltage value through regulator rectifier circuit again.It is fast that this circuit has switching response, and control precision is high, is applicable to the occasion that needs the high-power high-frequency high-voltage Switching Power Supply.
Description of drawings
Fig. 1 is the main circuit schematic diagram of the utility model.
Fig. 2 is leading-bridge IGBT driving circuit structure figure in the utility model.
Fig. 3 is lagging leg IGBT driving circuit structure figure in the utility model.
Embodiment
A kind of high-power high-frequency high-voltage Switching Power Supply of the utility model, it is made up of industrial frequency rectifying voltage stabilizing circuit 1, high-frequency inverter circuit 2, resonant circuit 3, transformer 4, high-frequency and high-voltage rectification and voltage stabilizing circuit 5, leading-bridge IGBT drive circuit 6 and lagging leg IGBT drive circuit 7.Wherein: industrial frequency rectifying voltage stabilizing circuit 1, high-frequency inverter circuit 2, resonant circuit 3, transformer 4, high-frequency and high-voltage rectification and voltage stabilizing circuit 5 connect successively.The output DRIVER1 of leading-bridge IGBT drive circuit 6 connects the DRIVER1 end of Q1; Output DRIVER2 connects the DRIVER2 end of Q2; The DRIVER3 end of the DRIVER3 output termination Q3 of lagging leg IGBT drive circuit 7, output DRIVER4 connects the DRIVER4 end of Q4.
The utility model obtains direct current with the three-phase main-frequency alternating current behind rectification filtering voltage stabilizing circuit; After the IGBT full bridge inverter converts direct current to high-frequency ac; After step-up transformer rises to ideal value with voltage, can obtain the relevant voltage value through regulator rectifier circuit again.
In the utility model, above-mentioned industrial frequency rectifying voltage stabilizing circuit 1 is made up of three-phase main-frequency AC power, power rectifier silicon stack D1 ~ D6, DC filtering inductance L 1, electric capacity of voltage regulation C1, C2 and grading resistor R1, R2; The three-phase main-frequency AC power connects the input of power rectifier silicon stack D1 ~ D6; After rectification, obtain direct current; The positive pole of direct current output connects the left end of inductance L 1; The right-hand member output of L1 meets C1, R1, R3, and the parallel circuits that C1 and R1 form is connected with the parallel circuits that C2 and R2 form, and the output of R3 connects the input of high-frequency inverter circuit 2.Three-phase main-frequency AC power input rectifying silicon stack D1 ~ D6 obtain being about the direct current of 530V, but ripple is very big, needs series direct current filter inductance L1 eliminate ripple, after connect the electric capacity of voltage regulation voltage stabilizing, this electric capacity needs parallelly connected grading resistor make two capacitance voltages consistent.
In the utility model, above-mentioned high-frequency inverter circuit 2 is made up of high-power IGBT Q1 ~ Q4, sustained diode 7 ~ D10 and absorption capacitor C 3 ~ C6; Q1, D7, C3 compose in parallel the last brachium pontis of leading-bridge, and Q2, D9, C4 compose in parallel the following brachium pontis of leading-bridge, and Q3, D8, C5 compose in parallel the last brachium pontis of lagging leg, and Q4, D10, C6 compose in parallel the following brachium pontis of lagging leg.This inverter circuit is used for direct current is become alternating current, and can reverse frequency be set through the switch periods of control IGBT, realizes soft switch control through control IGBT ON time.
In the utility model, above-mentioned resonant circuit 3 is made up of resonant inductance L2, resonant capacitance C7; The L2 left end connects high-frequency inverter circuit 2 outputs, and the L2 right-hand member connects the left end of resonant capacitance C7, and the output of resonant capacitance C7 connects the input of transformer.This resonant circuit can make the electric current that frequency has been set pass through, and the existence of capacitor C 7 absorbed DC component, effectively suppresses the transformer saturated phenomenon and takes place.
In the utility model, above-mentioned transformer 4 is to select the transformer T1 of non-crystaline amorphous metal as magnetic core for use.This transformer T1 can effectively reduce volume of transformer, through selecting former secondary coil to twine the number of turns no-load voltage ratio is set.
In the utility model, above-mentioned high-frequency and high-voltage rectification and voltage stabilizing circuit 5 are made up of high-voltage rectification silicon stack D11 ~ D14, electric capacity of voltage regulation C8; Connect the output of transformer by the input of high-voltage rectification silicon stack D11 ~ D14, the output of high-voltage rectification silicon stack D11 ~ D14 connects the input of electric capacity of voltage regulation C8, and the output of electric capacity of voltage regulation C8 meets load R.This regulator rectifier circuit can be transformer secondary high-frequency and high-voltage electric rectification a high voltage direct current.
In the utility model, above-mentioned leading-bridge IGBT drive circuit 6 is made up of UCC3875, power amplification circuit, transformer; The VCC termination 15V power supply of UCC3875, the input of OUT A output Q5 and Q6, D15 and Q5 parallel connection; D16 and Q6 parallel connection, output connects the input of R4, and the output of R4 connects the input of transformer T2; The output of transformer T2 meets DRIVER1, and this DRIVER1 output connects the DRIVER1 end of Q1; The input of OUT B output Q7 and Q8, D17 and Q7 parallel connection, D18 and Q8 parallel connection, output connects the input of transformer T2, and the output of transformer T2 meets DRIVER2, and this DRIVER2 output connects the DRIVER2 end of Q2.UCC3875 is used to produce control signal; The amplifying circuit that Q5 ~ Q8 forms can amplify the power of drive signal; Q5 and Q6, Q7 and Q8 form two pairs of totems respectively; Its output is used for driving transformer, the grid and the emitter-base bandgap grading that can directly be added on IGBTQ1 and IGBTQ2 through the signal Driver1 and the Driver2 of transformer output.
In the utility model, above-mentioned lagging leg IGBT drive circuit 7 is made up of UCC3875, power amplification circuit, transformer; The VCC termination 15V power supply of UCC3875, the input of OUT C output Q9 and Q10, D19 and Q9 parallel connection; D20 and Q10 parallel connection, output connects the input of R4, and the output of R4 connects the input of transformer T3; The output of transformer T3 meets DRIVER3, and this DRIVER3 output connects the DRIVER3 end of Q3; The input of OUT D output Q11 and Q12, D21 and Q11 parallel connection, D22 and Q12 parallel connection, output connects the input of transformer T3, and the output of transformer T3 meets DRIVER4, and this DRIVER4 output connects the DRIVER4 end of Q4.UCC3875 is used to produce control signal; The amplifying circuit that Q9 ~ Q12 forms can amplify the power of drive signal; Q9 and Q10, Q11 and Q12 form two pairs of totems respectively; Its output is used for driving transformer, the grid and the emitter-base bandgap grading that can directly be added on IGBTQ3 and IGBTQ4 through the signal Driver3 and the Driver4 of transformer output.
In the utility model; Above-mentioned IGBT drive circuit adopts pulse transformer isolation drive signal; The input stage voltage fluctuation is little, switching response is fast, it is low in energy consumption to turn on and off, input stage and grid are isolated fully, is that a kind of safe and reliable, accurate and practical high-frequency and high-voltage Switching Power Supply is used the IGBT drive circuit.
The operation principle of the utility model is following: the three-phase main-frequency alternating current obtains being about the direct current of 530V behind industrial frequency rectifying voltage stabilizing circuit 1; But ripple is very big; Eliminate ripple and burning voltage through DC filtering inductance L 1 with electric capacity of voltage regulation C1, C2, R1, R2 play a part all to press.High-frequency inverter circuit 2 is used for direct current is become alternating current, and can reverse frequency be set through the switch periods of control IGBT, realizes soft switch control through control IGBT ON time.Resonant circuit 3 can make the electric current that frequency has been set pass through, and the existence of capacitor C 7 absorbed DC component, effectively suppresses the transformer saturated phenomenon and takes place.Transformer 4 is provided with no-load voltage ratio through selecting former secondary coil to twine the number of turns.High-frequency and high-voltage rectification and voltage stabilizing circuit 5 can be transformer secondary high-frequency and high-voltage electric rectification high voltage direct current.Leading-bridge IGBT drive circuit 6 produces IGBTQ1 ~ Q4 drive signal with lagging leg IGBT drive circuit 7.
Being merely the preferred embodiment of the utility model in sum, is not the practical range that is used for limiting the utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should be the technological category of the utility model.
Claims (8)
1. high-power high-frequency high-voltage Switching Power Supply, it is characterized in that: it is made up of industrial frequency rectifying voltage stabilizing circuit (1), high-frequency inverter circuit (2), resonant circuit (3), transformer (4), high-frequency and high-voltage rectification and voltage stabilizing circuit (5), leading-bridge IGBT drive circuit (6) and lagging leg IGBT drive circuit (7); Wherein: industrial frequency rectifying voltage stabilizing circuit (1), high-frequency inverter circuit (2), resonant circuit (3), transformer (4), high-frequency and high-voltage rectification and voltage stabilizing circuit (5) connect successively; Described leading-bridge IGBT drive circuit (6) is connected with high-frequency inverter circuit (2) respectively with lagging leg IGBT drive circuit (7).
2. high-power high-frequency high-voltage Switching Power Supply according to claim 1 is characterized in that: described industrial frequency rectifying voltage stabilizing circuit (1) is by the three-phase main-frequency AC power, power rectifier silicon stack D1 ~ D6; DC filtering inductance L 1; Electric capacity of voltage regulation C1, C2 and grading resistor R1, R2 form, and the three-phase main-frequency AC power connects the input of power rectifier silicon stack D1 ~ D6, after rectification, obtains direct current; The positive pole of direct current output connects the left end of inductance L 1; The right-hand member output of L1 meets C1, R1, R3, and the parallel circuits that C1 and R1 form is connected with the parallel circuits that C2 and R2 form, and the output of R3 connects the input of high-frequency inverter circuit (2).
3. high-power high-frequency high-voltage Switching Power Supply according to claim 1 is characterized in that: described high-frequency inverter circuit (2) is made up of high-power IGBT Q1 ~ Q4, sustained diode 7 ~ D10 and absorption capacitor C 3 ~ C6; Q1, D7, C3 compose in parallel the last brachium pontis of leading-bridge, and Q2, D9, C4 compose in parallel the following brachium pontis of leading-bridge, and Q3, D8, C5 compose in parallel the last brachium pontis of lagging leg, and Q4, D10, C6 compose in parallel the following brachium pontis of lagging leg.
4. high-power high-frequency high-voltage Switching Power Supply according to claim 1 is characterized in that, described resonant circuit (3) is made up of resonant inductance L2, resonant capacitance C7; The L2 left end connects high-frequency inverter circuit (2) output, and the L2 right-hand member connects the left end of resonant capacitance C7, and the output of resonant capacitance C7 connects the input of transformer.
5. high-power high-frequency high-voltage Switching Power Supply according to claim 1 is characterized in that: described transformer (4) is the transformer T1 of non-crystaline amorphous metal as magnetic core.
6. high-power high-frequency high-voltage Switching Power Supply according to claim 1 is characterized in that: described high-frequency and high-voltage rectification and voltage stabilizing circuit (5) are made up of high-voltage rectification silicon stack D11 ~ D14, electric capacity of voltage regulation C8; Connect the output of transformer by the input of high-voltage rectification silicon stack D11 ~ D14, the output of high-voltage rectification silicon stack D11 ~ D14 connects the input of electric capacity of voltage regulation C8, and the output of electric capacity of voltage regulation C8 meets load R.
7. high-power high-frequency high-voltage Switching Power Supply according to claim 3 is characterized in that: described leading-bridge IGBT drive circuit (6) is made up of UCC3875, power amplification circuit, transformer T2; The VCC termination 15V power supply of UCC3875, the input of OUT A output Q5 and Q6, D15 and Q5 parallel connection; D16 and Q6 parallel connection, output connects the input of R4, and the output of R4 connects the input of transformer T2; The output of transformer T2 connects the DRIVER1 end of Q1, the input of OUT B output Q7 and Q8, D17 and Q7 parallel connection; D18 and Q8 parallel connection, output connects the input of transformer T2, and the output of transformer T2 connects the DRIVER2 end of Q2.
8. according to claim 3 or 7 described high-power high-frequency high-voltage Switching Power Supplies, it is characterized in that: described lagging leg IGBT drive circuit (7) is made up of UCC3875, power amplification circuit, transformer; The VCC termination 15V power supply of UCC3875, the input of OUT C output Q9 and Q10, D19 and Q9 parallel connection; D20 and Q10 parallel connection, output connects the input of R4, and the output of R4 connects the input of transformer T3; The output of transformer T3 connects the DRIVER3 end of Q3, the input of OUT D output Q11 and Q12, D21 and Q11 parallel connection; D22 and Q12 parallel connection, output connects the input of transformer T3, and the output of transformer T3 connects the DRIVER4 end of Q4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204405742U CN202282744U (en) | 2011-11-09 | 2011-11-09 | High-power high-frequency high-voltage switch power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204405742U CN202282744U (en) | 2011-11-09 | 2011-11-09 | High-power high-frequency high-voltage switch power supply |
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| Publication Number | Publication Date |
|---|---|
| CN202282744U true CN202282744U (en) | 2012-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204405742U Expired - Fee Related CN202282744U (en) | 2011-11-09 | 2011-11-09 | High-power high-frequency high-voltage switch power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202282744U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242663A (en) * | 2014-09-18 | 2014-12-24 | 苏州迅镭激光科技有限公司 | Boosting laser welding power supply system |
| CN108512279A (en) * | 2018-04-28 | 2018-09-07 | 芜湖中电兆威电子股份有限公司 | A kind of high-precision charging power source circuit and its operation method |
-
2011
- 2011-11-09 CN CN2011204405742U patent/CN202282744U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242663A (en) * | 2014-09-18 | 2014-12-24 | 苏州迅镭激光科技有限公司 | Boosting laser welding power supply system |
| CN108512279A (en) * | 2018-04-28 | 2018-09-07 | 芜湖中电兆威电子股份有限公司 | A kind of high-precision charging power source circuit and its operation method |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120620 Termination date: 20121109 |