CN203707857U - Solid laser power supply with constant output power - Google Patents
Solid laser power supply with constant output power Download PDFInfo
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- CN203707857U CN203707857U CN201320877104.1U CN201320877104U CN203707857U CN 203707857 U CN203707857 U CN 203707857U CN 201320877104 U CN201320877104 U CN 201320877104U CN 203707857 U CN203707857 U CN 203707857U
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Abstract
The utility model discloses a solid laser power supply with constant output power; the solid laser power supply comprises an EMI filter module, a rectifier filter circuit, a charge switch control module, a real time detection module, a real time monitoring processing module, an isolation switch drive module, a constant power charge module and an energy storage module; the solid laser power supply can output charge voltage with reliable power so as to ensure accurate and stable laser output energy; higher harmonic current pollution can be effectively limited; power utilization rate can be obviously improved; because industrial power grid voltage floats and changes irregularly, charge circuit can be insufficient or saturated in charging power, the solid laser power supply with constant output power can solve the problems, thereby ensuring constant charging power of the laser power supply.
Description
Technical field
The utility model relates to power supply of solid laser, relates in particular to the solid laser power source that a kind of power output is constant.
Background technology
From nineteen sixty First laser birth, the development of laser technology and application is very fast, be applied to each technical field, among laser processing technology is also in comprehensive development and constantly improvement is improved, its laser equipment has been widely used in the various manufacturings such as Aero-Space, weapons manufacture, optical communication, medicine equipment, IT, electronic device, accurate apparatus, Clocks, Watches and Glasses, jewellery ornaments, solar energy, auto parts machinery, process gift and other laser laser job shops.And from the aspect such as effect, the efficiency of processing of application, laser processing technology has progressively replaced traditional process technology; And obtain swift and violent development.And Laser Power Devices are as the core of laser, the quality of its performance directly has influence on the technical indicator of whole laser equipment, is related to the crudy that laser industrial equipment uses.
Current solid laser power source uses LC charging modes, and main circuit topology adopts non-isolation BOOST or BUCK circuit, has two kinds of control models of constant voltage and constant current.Charge to energy storage capacitor with constant voltage or electric current, improve charge efficiency, improved the stability of power supply, substantially met the requirement of high repetition frequency.In the market also at the such power supply of a large amount of use.Its major defect is that output power of power supply changes and fluctuates with electrical network input voltage, and the energy of Laser output is unstable, and power factor is too low, and the harmonic current of power supply is large, has larger electromagnetic interference; Security reliability is not high, and production cost is high.The harm that its harmonic current pollutes can be summarized as: 1, Laser Power Devices itself are increased to input loss, reduce overall efficiency reactive loss excessive; 2, the sparkle noise of electrical network proximal subscribers is disturbed, to making equipment out of control, power distribution equipment overcurrent is overheated, temperature rise is too high and on fire, jeopardizes the safe operation of electrical network.
Utility model content
The technical problems to be solved in the utility model is, for the deficiencies in the prior art, the solid laser power source that a kind of power output is constant is provided, the utility model is by the reliable charging voltage of power output, ensure that Laser output energy is accurate, stable, effectively suppress the pollution of higher harmonic current, significantly improve the utilance of electric power, solve the irregular unsteady variation because of industrial electrical network voltage, and cause charging circuit charging ability shortcoming or saturated problem, ensure the constant of Laser Power Devices charge powers.
For solving the problems of the technologies described above, the utility model adopts following technical scheme.
The solid laser power source that a kind of power output is constant, it includes the EMI filtration module, current rectifying and wave filtering circuit, charge switch control module, real-time detection module, real-time monitor processing module, isolating switch driver module, firm power output module and the energy-storage module that connect successively, wherein: differential mode interference and common mode disturbances that described EMI filtration module produces for suppressing external electrical network voltage; Described current rectifying and wave filtering circuit is for carrying out rectification and filtering to the signal of telecommunication of EMI filtration module output, and the pulsating dc voltage of output smoothing is respectively to charge switch control module and firm power output module; Described charge switch control module is controlled the charged state of major loop by controlling its conducting state; Described real-time detection module gathers for electric current and voltage signal to major loop, and output real time detection signal is to real-time monitor processing module; Described real-time monitor processing module is for processing real time detection signal, according to result output pwm signal to isolating switch driver module; Described isolating switch driver module drives firm power output module according to this pwm signal, to make firm power output module that the pulsating dc voltage of current rectifying and wave filtering circuit output is converted to constant voltage signal, and exports energy-storage module to.
Preferably, described real-time monitor processing module is also connected with multistage linking protective device, and described multistage linking protective device is any one or several combination in current foldback circuit, under-voltage protecting circuit, overheating protection circuit and overvoltage crowbar.
Preferably, described charge switch controlling circuits includes soft start protective circuit, and described soft starting circuit is for regulating the charging current of electrochemical capacitor.
Preferably, described real-time detection module comprises current detection module, output voltage sampling circuit, reference voltage source circuit and comparison circuit, described current detection module is for detection of the changing value of charge switch controlling circuits output current, and output electric current measure signal is to real-time monitor processing module; Described output voltage sampling circuit is carried out dividing potential drop sampling to the output voltage of solid laser power source, sampling voltage is transferred to comparison circuit, described reference voltage source circuit output reference voltage is to comparison circuit, described comparison circuit compares sampling voltage and reference voltage, and voltage sense signal is to real-time monitor processing module.
Preferably, described current detection module is Hall current sensor.
Preferably, described output voltage sampling circuit is made up of divider resistance, operational amplifier and photoelectrical coupler.
Preferably, described real-time monitor processing module includes PWM controller.
Preferably, described firm power output module comprises the boost booster circuit being made up of DC-DC converter, inductance L 1, diode D1 and capacitor C 3.
Preferably, described DC-DC converter is IGBT switching tube.
Preferably, described charge switch control module includes resistance R 1 and switch S 1, is connected in the output of current rectifying and wave filtering circuit after resistance R 1 and switch S 1 are parallel with one another.
The utility model discloses the solid laser power source that a kind of power output is constant, it includes the EMI filtration module, current rectifying and wave filtering circuit, charge switch control module, real-time detection module, real-time monitor processing module, isolating switch driver module, firm power output module and the energy-storage module that connect successively.The utility model is by the reliable charging voltage of power output, ensure that Laser output energy is accurate, stable, effectively suppress the pollution of higher harmonic current, significantly improve the utilance of electric power, solve the irregular unsteady variation because of industrial electrical network voltage, and cause charging circuit charging ability shortcoming or saturated problem, ensure the constant of Laser Power Devices charge powers.
Brief description of the drawings
Fig. 1 is the circuit block diagram of solid laser power source.
Fig. 2 is the circuit block diagram of the utility model the first embodiment.
Fig. 3 is the circuit block diagram of the utility model the second embodiment.
Fig. 4 is the circuit block diagram of the utility model the 3rd embodiment.
Fig. 5 is the circuit theory diagrams of the utility model the 4th embodiment.
Fig. 6 is the utility model solid laser power source output current, voltage waveform view.
Fig. 7 is existing Laser Power Devices output current, voltage waveform view.
Fig. 8 is existing another kind of Laser Power Devices output current, voltage waveform view.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in more detail.
The utility model discloses the solid laser power source that a kind of power output is constant, as shown in Figure 1, it includes the EMI filtration module 1, current rectifying and wave filtering circuit 2, charge switch control module 3, real-time detection module 4, real-time monitor processing module 5, isolating switch driver module 6, firm power output module 7 and the energy-storage module 8 that connect successively, wherein: differential mode interference and common mode disturbances that EMI filtration module 1 produces for suppressing external electrical network voltage; Current rectifying and wave filtering circuit 2 carries out rectification and filtering for the signal of telecommunication that EMI filtration module 1 is exported; the pulsating dc voltage of output smoothing is respectively to charge switch control module 3 and firm power output module 7; charge switch control module 3 receives the little direct voltage of pulsation that current rectifying and wave filtering circuit 2 produces; and by the real-time monitoring to its charge node voltage; with the charging that completes of certain sequential; by controlling the closure of A.C. contactor, guarantee completing smoothly of charging process; Charge switch control module 3 is controlled the charged state of major loop by controlling its conducting state; Detection module 4 gathers for the electric current to major loop and voltage signal in real time, and output real time detection signal is to real-time monitor processing module 5; In real time monitor processing module 5 comprises preferably PWM controller, and this real-time monitor processing module 5 is for real time detection signal is processed, according to result output pwm signal to isolating switch driver module 6; Isolating switch driver module 6 drives firm power output module 7 according to this pwm signal, convert constant voltage signal with the pulsating dc voltage that makes firm power output module 7 that current rectifying and wave filtering circuit 2 is exported, and export energy-storage module 8 to, thereby realize the permanent power charging of major loop.As a kind of optimal way; in real time monitor processing module 5 is also connected with multistage linking protective device 80, and multistage linking protective device 80 is any one or several combination in current foldback circuit, under-voltage protecting circuit, overheating protection circuit and overvoltage crowbar.The utility model is by the reliable charging voltage of power output, ensure that Laser output energy is accurate, stable, effectively suppress the pollution of higher harmonic current, significantly improve the utilance of electric power, solve the irregular unsteady variation because of industrial electrical network voltage, and cause charging circuit charging ability shortcoming or saturated problem, ensure the constant of Laser Power Devices charge powers.
About the particular circuit configurations of this solid laser power source, the utility model proposes following two embodiment.
Embodiment 1:
Shown in Fig. 1 and Fig. 2, charge switch controlling circuits 3 includes soft start protective circuit, and soft starting circuit is for regulating the charging current of electrochemical capacitor.In the present embodiment, in actual applications, its ON-OFF control circuit can be operational amplifier to charge switch control module 3, controllable silicon, photoelectrical coupler, voltage stabilizing didoe and logic gates composition.Its control principle is: be first that real-time monitor processing module 5 receives the beginning charging signals that multistage linking protective device 80 is exported, photoelectrical coupler is received and is started charging signals illuminating state LED light, export a high level to NAND gate simultaneously, by driving an interchange light lotus root to trigger controlled silicon conducting, control A.C. contactor closure, allows alternating current start charging by the large voltage contact-making switch of its large electric current to rectifying device; Due to the characteristic that the voltage at electric capacity two ends can not suddenly change, need to slowly charge to large electrochemical capacitor in the stage that starts charging, therefore adopt soft starting circuit to protect it; In the time that charging voltage is charged to the reference voltage of setting, another controlled A.C. contactor closure, increase charging current by soft starting circuit, realize quick charge, allow capacitance voltage accelerate to be charged to setting voltage value, controlled major loop one A.C. contactor closure, now charging current reaches maximum, charging completes, in the present embodiment, operational amplifier in above-mentioned concrete charge switch control module can be the chips such as LM293, OPA2227, TL072, and photoelectrical coupler can be the chips such as ILD217T, TLP521, PC817.Above-mentioned real-time detection module 4 is current detection signal processing that current rectifying and wave filtering circuit 2 is produced, simultaneously to energy-storage module 8 voltage sample processing, the electric current and the voltage signal pin that detect are in real time sent to real-time monitor processing module 5 calculation process, output one pulse width modulating signal.
Detection module 4 comprises current detection module 109, output voltage sampling circuit 120, reference voltage source circuit 130 and comparison circuit 140 in real time, current detection module 109 is for detection of the changing value of charge switch controlling circuits 3 output currents, and output electric current measure signal is to real-time monitor processing module 5; Output voltage sampling circuit 120 is carried out dividing potential drop sampling to the output voltage of solid laser power source, sampling voltage is transferred to comparison circuit 140, reference voltage source circuit 130 output reference voltages are to comparison circuit 140, comparison circuit 140 compares sampling voltage and reference voltage, and voltage sense signal is to real-time monitor processing module 5.Particularly, preferably Hall current sensor of current detection module 109, forms the curent change value in loop mainly for detection of a current rectifying and wave filtering circuit 103 with soft starting circuit 104, and produces corresponding current detection signal.Its output voltage sampling circuit 20 is by divider resistance, operational amplifier, the formations such as photoelectrical coupler, by the dividing potential drop sampling doubly of the output voltage 1:120 to permanent power charging circuit 107, obtain a reference voltage, with deliver to comparison circuit 140 reference voltage source circuit 130 voltage ratio, produce corresponding voltage detection signal, be input to PWM controller and carry out calculation process together with current detection signal, the pwm signal of output respective switch frequency, this isolating switch driver module 6 comprises IGBT driver module 160, firm power output module 7 comprises DC/DC converter 105, secondary current rectifying and wave filtering circuit 106 and permanent power charging circuit 107.
Embodiment 2:
Shown in Fig. 1 and Fig. 3, the difference of the present embodiment and embodiment 1 is, charge switch control module 3 comprises current rectifying and wave filtering circuit 203 and soft start protective circuit 204, , detection module 4 is mainly by current error amplifier 209 in real time, voltage error amplifier 220 and multiplier 240 3 partial circuit compositions, it is overheated that multistage linking protective device 80 mainly comprises, overcurrent, under-voltage, overvoltage crowbar etc., specifically by comparator, photoelectrical coupler, temperature sensor, current sensor, the devices such as high voltage stabilizing pipe form, by each operating state powering on is carried out to monitoring and protection, ensure the safe and reliable operation of Laser Power Devices.
Monitor processing module 5 mainly comprises PWM controller 250 in real time, monitor processing module 5 is that the signal that the real-time detection module 4 of major loop is produced carries out calculation process in real time, drive IGBT switch by isolating switch driver module, realize the permanent power charging of main circuit, this isolating switch driver module 6 comprises power device driver module 260; Firm power output module 7 comprises DC/DC converter 205 and permanent power charging circuit 206, and energy-storage module 8 mainly comprises the accumulator being made up of filtering energy storage device.
On the circuit structure basis of above-described embodiment, make the utlity model has the characteristic of the solid laser power source of stablizing power output, its design principle and physical circuit form and adopt Active Power Factor Correction Technology and constant power charge control technology, have that high order harmonic component amplitude is little, power factor is high and the feature of stable output power.
Early stage Laser Power Devices are due to without pfc circuit, line voltage directly passes through full-bridge diode rectification afterwards by large capacitor filtering, it is only in the alternating voltage amplitude of electrical network input during higher than charging voltage on high capacitance capacitor, just can allow diode rectifier conducting output current, make the angle of flow of rectifier reduce to 1/3, and rectifier is in cut-off state in the most of the time, this makes current waveform become non-sinusoidal burst pulse, has produced a large amount of harmonic wave interference components.As the current-voltage waveform structural representation that Fig. 8 is early stage passive PFC circuit, its power factor PF value only has 0.5～0.65.
The Laser Power Devices of the LC modes that just using in a large number in market at present, it is a kind of improved passive pfc circuit, i.e. so-called " valley fill type " pfc circuit, as shown in the current-voltage waveform structural representation that Fig. 7 is the property improved passive PFC circuit at present, although its humorous wave interference reduces to some extent, still can not thoroughly solve the problem of interference and stable output power; Its power factor PF value approximately 0.8～0.9.
In specific embodiment of the utility model, adopt above-mentioned Active Power Factor Correction Technology and constant power charge control technology, can solve above-mentioned technical barrier; As shown in Figure 6, its power factor PF value is 0.8～0.99 to the current-voltage waveform structural representation of its active PFC circuit.Specific embodiment is as follows.Taking embodiment 2 as example, the utility model PWM controller can be the chips such as UC3854, UCC2806DW, ML4821, TL494.DC/DC converter mainly formed by reactor, high-power switch device IGBT, Ultrafast recovery module and large electrochemical capacitor; Under the effect of special IGBT driver, by the real-time control IGBT switch of pwm signal, discharge and recharge to energy-storage travelling wave tube, realize permanent power charging.
The voltage waveform obtaining at filter rectifier 203 of the present utility model is as the reference waveform of the input current of pfc controller, be input to multiplier, in order to ensure the constant of output voltage, output voltage is also introduced to multiplier by Voltage Feedback network, after multiplier computing, as the reference value of current waveform, and after comparing with the electric current of reality sampling, produce PWM by PWM controller and drive signal, control output current and the voltage of booster converter.Owing to having adopted two closed-loop controls, the actual current of booster converter is introduced to current error amplifier by feedback network, ensure that the electric current of booster converter can accurately be followed the tracks of the current value through multiplier computing defined.Under the whole controlling unit of PFC, the just variation of floating voltage waveform completely of input current waveform, has realized the function of power factor correction; Effectively suppress the electromagnetic interference that current harmonics produces, improved the efficiency of electricity usage, ensured the stable output of power.
Embodiment 3:
In the present embodiment, as shown in Figure 4, the major loop of this solid laser power source comprises EMI filtration module 1, A.C. contactor KM1, current rectifying and wave filtering circuit 2, charge switch control module 3 and DC-DC converter 105, this DC-DC converter 105 is preferably the switching circuit that IGBT switching tube forms, this DC-DC converter 105 and inductance L 1, diode D1 and capacitor C 3 form the constant power charge module with isolated boost booster circuit function, this solid laser power source also includes current detection module 14, voltage detection module 15, temperature monitoring module 16, PWM controller 17 and power driver module 18.
This charge switch control module 3 includes resistance R 1 and switch S 1, is connected in the output of current rectifying and wave filtering circuit 2 after resistance R 1 and switch S 1 are parallel with one another, by the on/off of control switch S1, major loop is carried out to precharge, avoids excessive rush of current.
On this major loop, be wound with coil, this coil forms Hall current sensor and its output is connected with current detection module 14, and the induced current that this coil is detected transfers to current detection module 14, and transfer to PWM controller 17 after processing via this current detection module 14, voltage detection module 15 gathers the voltage of this major loop outlet side, and this voltage signal is transferred to PWM controller 17, the input of temperature monitoring module 16 is connected with temperature sensor, this temperature sensor is installed on DC-DC converter 105, for gathering the temperature of this DC-DC converter 105, and temperature data is converted to the signal of telecommunication and transfers to PWM controller 17, the output of PWM controller 17 is connected with power driver module 18, the output of power driver module 8 is connected with the control end of DC-DC converter 105, the main circuit current that this PWM controller 17 gathers according to above-mentioned module, output voltage and temperature data are adjusted the duty ratio of the pwm signal of its output, and utilize this pwm signal to adjust the on/off time of DC-DC converter 105, make the voltage of Laser Power Devices stable output.
Solid laser power source in the present embodiment, it has adopted current detection module 14, voltage detection module 15, temperature monitoring module 16 electric current, voltage and the temperature to major loop to detect, according to detected signal, output voltage is revised again, make these Laser Power Devices only have minimum temperature drift, very high output voltage stabilization degree, well load and line regulation, very wide operating temperature range and very wide input voltage range, ensured that the power output of Laser Power Devices is constant.
Embodiment 4:
In the present embodiment, be illustrated in figure 5 annexation and the circuit theory diagrams of current detection circuit, voltage detecting circuit, multiplier and PWM controller, wherein, Vref is reference voltage source, control loop provides constant voltage to charge circuit, LEM is current sensor, and current sensor is for detection of the current signal of major loop.This circuit comprises that error amplifying circuit, analog multiplier 340, oscillating circuit 346, comparison and drive circuit form, this error amplifying circuit is mainly made up of resistance R 10, R20, R31, R11, capacitor C22, C11 and amplifier U80 etc., voltage detecting circuit is mainly made up of high voltage stabilizing pipe Z10, Z11, Z13, Quick photoelectric coupler U30, R36 etc., and comparison and drive circuit are preferably comparator 351, comparator 352, NAND gate 350 and inverter 360.
Slowly charge in charging complete process in soft start, the output electric current measure signal LEM of major loop and the comparison of Vref signal, produce the magnitude of voltage of corresponding amplitude, simultaneously, the voltage signal of output loop is delivered to the Y end of multiplier by Quick photoelectric coupler U30 and R40, act on the LEM signal of delivering to multiplier X end by R30 simultaneously, relatively process with comparator respectively by oscillator, regulate in real time duty ratio, produce corresponding pulse-width signal (PWM) and export to power driver module, drive IGBT with continuous frequency switching, reach Boost circuit constant power charge.
More than the utility model preferred embodiment just, is not limited to the utility model, all amendments of making in technical scope of the present utility model, is equal to and replaces or improvement etc., all should be included in the scope that the utility model protects.
Claims (10)
1. the solid laser power source that power output is constant, it is characterized in that, include the EMI filtration module, current rectifying and wave filtering circuit, charge switch control module, real-time detection module, real-time monitor processing module, isolating switch driver module, firm power output module and the energy-storage module that connect successively, wherein:
Differential mode interference and common mode disturbances that described EMI filtration module produces for suppressing external electrical network voltage;
Described current rectifying and wave filtering circuit is for carrying out rectification and filtering to the signal of telecommunication of EMI filtration module output, and the pulsating dc voltage of output smoothing is respectively to charge switch control module and firm power output module;
Described charge switch control module is controlled the charged state of major loop by controlling its conducting state;
Described real-time detection module gathers for electric current and voltage signal to major loop, and output real time detection signal is to real-time monitor processing module;
Described real-time monitor processing module is for processing real time detection signal, according to result output pwm signal to isolating switch driver module;
Described isolating switch driver module drives firm power output module according to this pwm signal, to make firm power output module that the pulsating dc voltage of current rectifying and wave filtering circuit output is converted to constant voltage signal, and exports energy-storage module to.
2. the constant solid laser power source of power output as claimed in claim 1; it is characterized in that; described real-time monitor processing module is also connected with multistage linking protective device, and described multistage linking protective device is any one or several combination in current foldback circuit, under-voltage protecting circuit, overheating protection circuit and overvoltage crowbar.
3. the constant solid laser power source of power output as claimed in claim 1, is characterized in that, described charge switch controlling circuits includes soft start protective circuit, and described soft starting circuit is for regulating the charging current of electrochemical capacitor.
4. the constant solid laser power source of power output as claimed in claim 1, it is characterized in that, described real-time detection module comprises current detection module, output voltage sampling circuit, reference voltage source circuit and comparison circuit, described current detection module is for detection of the changing value of charge switch controlling circuits output current, and output electric current measure signal is to real-time monitor processing module; Described output voltage sampling circuit is carried out dividing potential drop sampling to the output voltage of solid laser power source, sampling voltage is transferred to comparison circuit, described reference voltage source circuit output reference voltage is to comparison circuit, described comparison circuit compares sampling voltage and reference voltage, and voltage sense signal is to real-time monitor processing module.
5. the constant solid laser power source of power output as claimed in claim 4, is characterized in that, described current detection module is Hall current sensor.
6. the constant solid laser power source of power output as claimed in claim 4, is characterized in that, described output voltage sampling circuit is made up of divider resistance, operational amplifier and photoelectrical coupler.
7. the constant solid laser power source of power output as claimed in claim 1, is characterized in that, described real-time monitor processing module includes PWM controller.
8. the constant solid laser power source of power output as claimed in claim 1, is characterized in that, described firm power output module comprises the boost booster circuit being made up of DC-DC converter, inductance L 1, diode D1 and capacitor C 3.
9. the constant solid laser power source of power output as claimed in claim 8, is characterized in that, described DC-DC converter is IGBT switching tube.
10. the constant solid laser power source of power output as claimed in claim 1, is characterized in that, described charge switch control module includes resistance R 1 and switch S 1, is connected in the output of current rectifying and wave filtering circuit after resistance R 1 and switch S 1 are parallel with one another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201320877104.1U CN203707857U (en) | 2013-12-27 | 2013-12-27 | Solid laser power supply with constant output power |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320877104.1U CN203707857U (en) | 2013-12-27 | 2013-12-27 | Solid laser power supply with constant output power |
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| CN203707857U true CN203707857U (en) | 2014-07-09 |
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| CN201320877104.1U Withdrawn - After Issue CN203707857U (en) | 2013-12-27 | 2013-12-27 | Solid laser power supply with constant output power |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746436A (en) * | 2013-12-27 | 2014-04-23 | 深圳市光大激光科技股份有限公司 | Solid laser power supply with constant output power |
| CN106774583A (en) * | 2017-02-14 | 2017-05-31 | 苏州迅镭激光科技有限公司 | A kind of voltage output control system with high accuracy and efficient response |
| CN108258578A (en) * | 2017-12-18 | 2018-07-06 | 北京空间机电研究所 | A kind of full-digital control laser power supply and control method |
| CN110994356A (en) * | 2019-12-17 | 2020-04-10 | 无锡锐科光纤激光技术有限责任公司 | Constant current power supply circuit for pulse laser |
| CN111864835A (en) * | 2020-07-15 | 2020-10-30 | 荆州市荆力工程设计咨询有限责任公司 | Farad capacitor constant power charging system and control method thereof |
-
2013
- 2013-12-27 CN CN201320877104.1U patent/CN203707857U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746436A (en) * | 2013-12-27 | 2014-04-23 | 深圳市光大激光科技股份有限公司 | Solid laser power supply with constant output power |
| CN103746436B (en) * | 2013-12-27 | 2016-05-04 | 深圳市光大激光科技股份有限公司 | The solid laser power source that a kind of power output is constant |
| CN106774583A (en) * | 2017-02-14 | 2017-05-31 | 苏州迅镭激光科技有限公司 | A kind of voltage output control system with high accuracy and efficient response |
| CN108258578A (en) * | 2017-12-18 | 2018-07-06 | 北京空间机电研究所 | A kind of full-digital control laser power supply and control method |
| CN108258578B (en) * | 2017-12-18 | 2019-08-09 | 北京空间机电研究所 | A kind of full-digital control laser power supply and control method |
| CN110994356A (en) * | 2019-12-17 | 2020-04-10 | 无锡锐科光纤激光技术有限责任公司 | Constant current power supply circuit for pulse laser |
| CN110994356B (en) * | 2019-12-17 | 2021-04-09 | 无锡锐科光纤激光技术有限责任公司 | Constant current power supply circuit for pulse laser |
| CN111864835A (en) * | 2020-07-15 | 2020-10-30 | 荆州市荆力工程设计咨询有限责任公司 | Farad capacitor constant power charging system and control method thereof |
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