CN1805263A - High-frequency mode power supply device for pulse laser - Google Patents
High-frequency mode power supply device for pulse laser Download PDFInfo
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- CN1805263A CN1805263A CN 200510124514 CN200510124514A CN1805263A CN 1805263 A CN1805263 A CN 1805263A CN 200510124514 CN200510124514 CN 200510124514 CN 200510124514 A CN200510124514 A CN 200510124514A CN 1805263 A CN1805263 A CN 1805263A
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Abstract
The invention relates to an impulse laser high-frequency mode power supply device, which provides a power source for transforming the low-voltage direct-current power input into the high-voltage impulse power output. The invention is purposed for solve the problem of traditional laser power source with lower working frequency, lower power transformation efficiency, narrow input dynamic range, large volume, heavy weight, and worse reliability with sharp middle frequency. The invention increases the working frequency of traditional switch impulse laser power source as middle frequency of 20-50kHz to the high frequency as 100-300kHz, and arranges a PWM/PFM control and drive circuit of 100-300kHz, a high frequency quick switch power transformation circuit, a high frequency quick high voltage charge/discharge circuit, a manual/automatic trigger, a voltage instructor, and a quick sampling feedback control circuit to be connected to form said inventive power source. The invention can be used as the power supply of impulse laser.
Description
Technical field
The present invention relates to the power-supply device that a kind of low-voltage direct power input is transformed to the output of high-voltage pulse power, specifically a kind of high-frequency mode power supply device for pulse laser is as the power supply of pulse laser.
Background technology
Along with the continuous infiltration of photoelectron technology and electronic computer technology, constantly development and extensive use, photoelectron technology has been penetrated into every field such as medical treatment, military affairs, space flight and aviation, machining, industrial automation control, transducer.Requirement to photoelectron technology in these applications is also more and more harsher, intelligent and digitlization has developed into very satisfied and desirable degree, and miniaturization and microminiaturization but can not further obtain owing to the existing problem of pulse laser power supply breaking through always.The employing photoelectron technology that is occurred is in the market made has intelligent and the equipment of digitizing function and the pulsed laser power supply in the system; though the switching power supply that adopts that has is powered; but be in intermediate frequency range between 20k～50kHz owing to exist operating frequency always; so though power conversion circuit is also arranged in whole system; high pressure charge-discharge circuit and sampling feedback circuit; but the composition of its circuit and the selection of components and parts must be subjected to the influence and the restriction of operating frequency; cause the protection control rate of whole device slow; poor reliability; integrated level is low, ear-piercing shortcomings such as intermediate frequency shriek during normal use also can occur.Also have and adopt linear voltage multiplying rectifier formula power supply to power, though improved reliability, eliminated intermediate frequency shriek, but, cause these equipment and the system always can not miniaturization because linear voltage multiplying rectifier formula power supply exists that input dynamic range is narrow, power conversion efficiency is low, volume is big, the shortcoming of Heavy Weight.
Summary of the invention
The objective of the invention is in order to solve the deficiency that prior art exists, a kind of high-frequency mode power supply device for pulse laser is provided, realize that input dynamic range is wide, power conversion efficiency is high, volume is little, in light weight, reliability is high and eliminate purpose such as intermediate frequency shriek, as the power supply of pulse laser.
Technical scheme of the present invention is achieved in that on the basis of existing technology, operating frequency is brought up to high-frequency range between 100k～300kHz by the intermediate frequency range between 20k～50kHz, the circuit of well-designed each module is formed and is selected components and parts, organically they is connected to form high-frequency mode power supply device for pulse laser of the present invention.Specifically, this device comprises level indicator, quick sampling feedback control circuit and specially designed manual trigger, high-frequency pulsed width modulation/pulse frequency modulation (PWM/PFM) control and drive circuit, high frequency fast switching power translation circuit, high frequency quick high-pressure charge-discharge circuit; High-frequency PWM/PFM control and drive circuit, high frequency fast switching power translation circuit, high frequency quick high-pressure charge-discharge circuit have been composed in series the main system of this device successively; The rear end of quick sampling feedback control circuit is connected and therefrom obtains the feedback signal of output voltage with high frequency quick high-pressure charge-discharge circuit, front end is connected with drive circuit with high-frequency PWM/PFM control and flows to its feedback signal, makes this device constitute close loop control circuit; High-frequency PWM/PFM control had both received the feedback signal of being sent here by the quick sampling feedback control circuit with drive circuit, go to control the operating state of high frequency fast switching power translation circuit again according to received feedback signal, also will remove the show state of control level indicating device; Manual trigger one end is connected with drive circuit with high-frequency PWM/PFM control, the other end is connected with high frequency quick high-pressure charge-discharge circuit, put when automatic, receiving high-frequency PWM/PFM controls the automatic triggering status signal that sends with drive circuit and sends high frequency quick high-pressure charge-discharge circuit to, put when manual, high frequency quick high-pressure charge-discharge circuit directly receives outside manual triggers status signal.
Above-mentioned high-frequency mode power supply device for pulse laser; described high-frequency PWM/PFM control and drive circuit; integrated circuit that is integrated in one by PWM/PFM oscillator and driving, control, the defencive function of 100k～300kHz and peripheral cell and lead-in wire are formed; this control and drive circuit receive the feedback signal of sending here from the quick sampling feedback control circuit, and send high frequency fast switching power translation circuit, level indicator and manual trigger to.
Above-mentioned high-frequency mode power supply device for pulse laser, described high frequency fast switching power translation circuit, form by power switch, high back-pressure fast recovery diode and autocoupling type high voltagehigh frequency pulse transformer and peripheral lead-in wire, it is connected with high frequency quick high-pressure charge-discharge circuit with drive circuit with high-frequency PWM/PFM control, receive control and drive signal that high-frequency PWM/PFM control and drive circuit are sent here, and send charging pulse to high frequency quick high-pressure charge-discharge circuit.
Above-mentioned high-frequency mode power supply device for pulse laser, described high frequency quick high-pressure charge-discharge circuit, by high back-pressure fast recovery diode, high-voltage ignition transformer and resistance and HTHP high frequency large bulk capacitance are formed, it receives after the status command signal that manual trigger sends here, the voltage of oneself exporting is offered pulse laser, as its supply power voltage, signal is provided for simultaneously the quick sampling feedback control circuit, control the foundation that shows with drive circuit control level indicating device as high-frequency PWM/PFM on the one hand, control the foundation of high frequency fast switching power translation circuit operating state on the other hand as high-frequency PWM/PFM control and drive circuit.
Above-mentioned high-frequency mode power supply device for pulse laser, described manual flip-flop circuit is made up of one-way SCR, fast recovery diode, two resistance and lead-in wire of putting switch and periphery.It and high-frequency PWM/PFM control and drive circuit and high frequency quick high-pressure charge-discharge circuit link.Put when manual, one-way SCR can directly receive manual control signal, makes high frequency quick high-pressure charge-discharge circuit be in the manual triggers operating state; Put when automatic, one-way SCR can directly receive high-frequency PWM/PFM control and the control command that drive circuit sends, and makes high frequency quick high-pressure charge-discharge circuit be in automatic triggering operating state.
The beneficial effect that the present invention obtains is: because the present invention has adopted the implementation method of the switching power supply of high-frequency range 100k～300kHz, therefore, this invention just has that input dynamic range is wide, power conversion efficiency is high, has eliminated intermediate frequency shriek, volume is little and characteristics such as in light weight.In addition, because this device has adopted high voltagehigh frequency pulse transformer, the big capacity charge and discharge capacitance of HTHP high frequency, high-voltage ignition transformer, therefore make the power output of this device very wide, that is to say so long as the gas type pulse laser all can adopt the present invention to power with the adjustable extent of output high voltage pulse.Solved and adopted the key issue that the equipment with intelligent and digitizing function that photoelectron technology makes and system can not miniaturization, promoted the development of China's power technology and photoelectron technology.
Description of drawings
Fig. 1 is the block diagram representation that the present invention forms
Fig. 2 is circuit theory diagrams of the present invention
Embodiment
With reference to Fig. 1, it is the block diagram representation that the present invention forms, and it is made up of with drive circuit A, level indicator B, manual trigger C, high frequency fast switching power translation circuit D, high frequency quick high-pressure charge-discharge circuit F and quick sampling feedback control circuit E high-frequency PWM/PFM control.High-frequency PWM/PFM control comprises 100k～300kHz PWM/PFM oscillator and control and drive circuit with drive circuit, and it is a core circuit of the present invention.It will receive the feedback signal of being sent here by quick sampling feedback control circuit E on the one hand; To go to control the operating state of high frequency fast power translation circuit D on the other hand according to received feedback signal, also will remove the show state of control level indicating device B, also will send automatic triggering control signal at last to manual trigger C.Level high pressure charge-discharge circuit was to be in charging and discharging state after level indicator B mainly finished, and still was in the Presentation Function of wait state, made operating personnel go intuitively very much operation according to show state.The control of the manual discharge mode of level high frequency quick high-pressure charge-discharge circuit F paired pulses laser after manual trigger C mainly finishes.High frequency fast switching power translation circuit D mainly finishes low-voltage direct is converted to high-voltage pulse by high frequency quick high-pressure charge-discharge circuit, and working method is the PWM/PFM working method, and operating frequency is 100k～300k Hz.Quick sampling feedback control circuit E mainly finishes the output voltage signal that quick sampling is arrived; after fast processing, feed back to the high-frequency PWM/PFM control and drive circuit A of prime more fast, form the operating state that the control signal that contains various defencive functions changes high frequency fast switching power translation circuit D with drive circuit by high-frequency PWM/PFM control.High-frequency PWM/PFM control is connected with high frequency fast switching power translation circuit and high frequency quick high-pressure charge-discharge circuit with drive circuit and has been constituted the main system of this supply unit; The quick sampling feedback control circuit is connected with back level high frequency quick high-pressure charge-discharge circuit with drive circuit with preceding stage high frequency PWM/PFM control, and from the output voltage of back level high frequency quick high-pressure charge-discharge circuit, obtain sampled signal, after treatment signal feedback is given the high-frequency PWM/PFM control and the drive circuit of prime, make the main system of this device form closed loop controlling structure.
Signal transmission of the present invention, the connection of each several part and the course of work are: after high-frequency PWM/PFM control obtains required supply power voltage with drive circuit A from input DC power, inner oscillator produces the PWM/PFM signal of 100k～300k Hz with regard to starting working, portion exports to high frequency fast switching power translation circuit D after actuator power is amplified within it, high frequency fast switching power translation circuit D starts working under the driving of the PWM/PFM of 100k～300kHz drive signal, and produce the high voltagehigh frequency pulse to high frequency quick high-pressure charge-discharge circuit F charging, from high frequency quick high-pressure charge-discharge circuit F, sample out the height of output voltage of quick sampling feedback control circuit E, and feed back to the high-frequency PWM of prime/PFM control and drive circuit A after treatment, high frequency fast switching power translation circuit D is worked according to new drive signal again.Manual trigger is put when manual, and high frequency quick high-pressure charge-discharge circuit can directly receive outside manual control signal; Put when automatic, high frequency quick high-pressure charge-discharge circuit receives the control command that high-frequency PWM/PFM control and drive circuit send by one-way SCR.In addition, high-frequency PWM/PFM control and drive circuit A are except controlling the operating state of high frequency fast switching power translation circuit D according to the feedback signal that quick sampling feedback control circuit E sends here, also to give level indicator B with the level state signal conveys of high frequency quick high-pressure charge-discharge circuit F, make it demonstrate the level state of high pressure charge-discharge circuit according to its feedback signal.At this moment, entire circuit has just constituted an organic closed loop, has had overcurrent, overvoltage and defencive function such as under-voltage simultaneously.
With reference to Fig. 2, it is circuit theory diagrams of the present invention.It mainly is made up of high-frequency PWM/PFM control and drive circuit, level indicator, manual trigger, high frequency fast switching power translation circuit, high frequency quick high-pressure charge-discharge circuit, quick sampling feedback control circuit.Real frame among the figure partly is the circuit that adopts prior art, does not draw, and what draw in the empty frame is the specially designed partial circuit of the present invention.Wherein the control of high-frequency PWM/PFM and drive circuit are made up of integrated circuit (IC) 1 and peripheral cell and lead-in wire, the pin of IC1 (1) receives the feedback signal that the quick sampling feedback control circuit is sent here, and pin (6) and pin (3) are given high frequency fast switching power translation circuit and level indicator, manual flop signal respectively and controlled its operating state.Manual trigger is made up of one-way SCR V1, fast recovery diode VD1, two resistance and lead-in wire of putting K switch 1 and periphery, K1 puts when automatic, it receives high-frequency PWM/PFM and controls the signal of sending here with drive circuit, put when manual, it receives outside manual control signal, and sends to its operating state of signal controlling for high frequency quick high-pressure charge-discharge circuit by V1.High frequency fast switching power translation circuit is made up of P-MOSFET power switch V2, high back-pressure fast recovery diode VD2, autocoupling type high voltagehigh frequency pulse transformer T1 and peripheral lead-in wire, wherein power switch V2 receives the drive signal that the pin (6) of IC1 in high-frequency PWM/PFM control and the drive circuit is sent here, make this high frequency fast switching power translation circuit work in high-frequency PWM/PFM state, and change low-voltage direct into the high voltagehigh frequency pulse, give high frequency quick high-pressure charge-discharge circuit and it is charged by high back-pressure fast recovery diode VD2.High frequency quick high-pressure charge-discharge circuit is made up of high back-pressure fast recovery diode VD3, high-voltage ignition transformer T2 and resistance R 3, R4, R5, R6 and HTHP high frequency large bulk capacitance C6, C7, C8, C9, it receives the status command signal of manual trigger, the voltage of its output is offered pulse laser, supply voltage as pulse laser, sampled signal is provided for simultaneously the quick sampling feedback control circuit, carries out the foundation that state shows with drive circuit control level indicating device as high-frequency PWM/PFM control.IC1 among Fig. 2 adopts the MAX643 model, and V1 adopts the BT151 model, and VD1 adopts the 1N4148 model, and V2 adopts the IRF644 model, and VD2 and VD3 all adopt the UF4007 model.
Claims (5)
1, high-frequency mode power supply device for pulse laser, comprise level indicator, quick sampling feedback control circuit, it is characterized in that also comprising manual trigger, high-frequency pulsed width modulation/pulse frequency modulation PWM/PFM control and drive circuit, high frequency fast switching power translation circuit, high frequency quick high-pressure charge-discharge circuit; High-frequency PWM/PFM control and drive circuit, high frequency fast switching power translation circuit, high frequency quick high-pressure charge-discharge circuit have been composed in series the main system of this device successively; The rear end of quick sampling feedback control circuit is connected and therefrom obtains the feedback sample signal of output voltage with high frequency quick high-pressure charge-discharge circuit, front end is connected with drive circuit with high-frequency PWM/PFM control and flows to its feedback signal, makes this device constitute close loop control circuit; High-frequency PWM/PFM control receives the feedback signal of being sent here by the quick sampling feedback control circuit with drive circuit, and removes to control the operating state of high frequency fast switching power translation circuit and the show state of level indicator with this; Manual trigger one end is connected with drive circuit with high-frequency PWM/PFM control, and receives the auto charge and discharge control signal that it sends, and the other end is connected with high frequency quick high-pressure charge-discharge circuit, and sends to manual or auto charge and discharge control signal.
2, high-frequency mode power supply device for pulse laser according to claim 1; it is characterized in that; described high-frequency PWM/PFM control and drive circuit; integrated circuit (IC1) that is integrated in one by PWM/PFM oscillator and driving, control, the defencive function of 100k～300kHz and peripheral cell and lead-in wire are formed; this control and drive circuit receive the feedback signal of sending here from the quick sampling feedback control circuit, and send high frequency fast switching power translation circuit and level indicator after treatment to.
3, high-frequency mode power supply device for pulse laser according to claim 1, it is characterized in that, described high frequency fast switching power translation circuit, form by P-MOSFET power switch (V2), high back-pressure fast recovery diode (VD2) and autocoupling type high voltagehigh frequency pulse transformer (T1) and peripheral lead-in wire, it is connected with high frequency quick high-pressure charge-discharge circuit with drive circuit with high-frequency PWM/PFM control, receive control and drive signal that high-frequency PWM/PFM control and drive circuit are sent here, and send charging pulse to high frequency quick high-pressure charge-discharge circuit.
4, high-frequency mode power supply device for pulse laser according to claim 1, it is characterized in that, described high frequency quick high-pressure charge-discharge circuit is by high back-pressure fast recovery diode (VD3), high-voltage ignition transformer (T2) and resistance (R3), (R4), (R5), (R6) and HTHP high frequency large bulk capacitance (C6), (C7), (C8), (C9) form, it and high frequency fast switching power translation circuit, the quick sampling feedback control circuit, manual trigger and pulse laser connect, the triggering command that high-voltage pulse that reception high frequency fast switching power translation circuit sends and manual trigger are sent here, provide supply voltage to pulse laser, the feedback sample signal of output voltage height is provided also for simultaneously the quick sampling feedback control circuit.
5, high-frequency mode power supply device for pulse laser according to claim 1, it is characterized in that, described manual trigger is made up of one-way SCR (V1), high back-pressure fast recovery diode (VD1), two resistance and lead-in wire of putting switch (K1) and periphery, it is connected with high frequency quick high-pressure charge-discharge circuit with drive circuit with high-frequency PWM/PFM control, K1 puts when manual, high frequency quick high-pressure charge-discharge circuit can directly receive outside manual control signal, makes pulse laser be in the manual triggers operating state; Put when automatic, high frequency quick high-pressure charge-discharge circuit receives high-frequency PWM/PFM control and the control command that drive circuit sends by one-way SCR, makes pulse laser be in automatic triggering operating state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101245149A CN100477477C (en) | 2005-12-08 | 2005-12-08 | High-frequency mode power supply device for pulse laser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101245149A CN100477477C (en) | 2005-12-08 | 2005-12-08 | High-frequency mode power supply device for pulse laser |
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| CN1805263A true CN1805263A (en) | 2006-07-19 |
| CN100477477C CN100477477C (en) | 2009-04-08 |
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| CNB2005101245149A Active CN100477477C (en) | 2005-12-08 | 2005-12-08 | High-frequency mode power supply device for pulse laser |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101466187B (en) * | 2009-01-05 | 2012-06-27 | 西安理工大学 | LED drive circuit for PFM/PWM bimodal switch light modulation |
| CN104702141A (en) * | 2013-12-10 | 2015-06-10 | 上海空间电源研究所 | High-voltage pulse ignition power source driving circuit used for Hall thruster |
| WO2021138770A1 (en) * | 2020-01-06 | 2021-07-15 | 深圳市大疆创新科技有限公司 | Light emitting device, ranging apparatus and mobile platform |
-
2005
- 2005-12-08 CN CNB2005101245149A patent/CN100477477C/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101466187B (en) * | 2009-01-05 | 2012-06-27 | 西安理工大学 | LED drive circuit for PFM/PWM bimodal switch light modulation |
| CN104702141A (en) * | 2013-12-10 | 2015-06-10 | 上海空间电源研究所 | High-voltage pulse ignition power source driving circuit used for Hall thruster |
| CN104702141B (en) * | 2013-12-10 | 2017-05-17 | 上海空间电源研究所 | High-voltage pulse ignition power source driving circuit used for Hall thruster |
| WO2021138770A1 (en) * | 2020-01-06 | 2021-07-15 | 深圳市大疆创新科技有限公司 | Light emitting device, ranging apparatus and mobile platform |
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| Publication number | Publication date |
|---|---|
| CN100477477C (en) | 2009-04-08 |
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Owner name: JIANGSU SKYRAY INSTRUMENT CO., LTD. Free format text: FORMER OWNER: XIDIAN UNIVERSITY Effective date: 20100115 |
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Effective date of registration: 20100115 Address after: Qinghua building, Tsinghua Science and Technology Park, No. 1666 Reed Road, Jiangsu, Kunshan Patentee after: Jiangsu Tian Rui instrument Limited by Share Ltd Address before: No. 2 Taibai Road, Shaanxi, Xi'an Patentee before: Xidian University |