CN201549764U - LD laser-driven power source with high precision and stability - Google Patents
LD laser-driven power source with high precision and stability Download PDFInfo
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- CN201549764U CN201549764U CN2009201967505U CN200920196750U CN201549764U CN 201549764 U CN201549764 U CN 201549764U CN 2009201967505 U CN2009201967505 U CN 2009201967505U CN 200920196750 U CN200920196750 U CN 200920196750U CN 201549764 U CN201549764 U CN 201549764U
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Abstract
A LD laser-driven power source with high precision and stability relates to an LD laser-driven power source, which is mainly used in the LD laser driving of laser experiment in all kinds of optoelectronic institutions of higher education of engineering course, comprises a main power supply source, and is mainly characterized in that a key and an LED display are connected with an MCU controller, the MCU controller is connected with an LD power source and a TEC power source and is connected with a RS232 interface, an external modulated signal input interface, a safety interlock interface, a laser-state output interface and a laser control interface. The laser drives the power source, thereby realizing the following functions, firstly, constant-current driving of laser, the constant current method is adopted to control the current of the laser, thereby realizing the digital control requirement; secondly, temperature control of laser, the TEC is adopted to realize the control upon the temperature of the laser; thirdly, friendly man-machine interface, hardware (incl. a nixie tube, a LED lamp, a knob and a keyboard) and operating software in a microprocessor are adopted to realize the friendly man-machine interface.
Description
Technical field:
The utility model relates to a kind of LD Laser Driven power supply, be mainly used in the LD Laser Driven of each industry science photoelectricity class universities and colleges Laser Experiments, the research of biology, medical science, medicine etc. with use in all can be used as the laser drive power of laser optical tweezer and flow cytometry.
Background technology:
At present, the Related product of semiconductor laser drive power is monopolized by offshore company such as ILXLightwave, and Related product is actually rare on the market at home, and home products is wherein with the analog circuit formula, the function that realizes is very limited, does not have automatic control technology substantially; The driving power based on the microprocessor control technology that is commercially available at home from external import, costs an arm and a leg mostly.
Summary of the invention:
The utility model provides a kind of precision of electric current, voltage, temperature that realizes to set and control, can realize the multi-functional LD Laser Driven power supply of setting and the adjusting of LD laser current 0.1 ~ 5.0A.
The utility model is achieved by the following technical solution: a kind of high-precision and high-stability LD Laser Driven power supply, comprise main electricity, its major technique is characterised in that button is connected the MCU controller with LED display, the MCU controller links to each other with LD power supply, TEC power supply, and the MCU controller is connected with RS232 interface, external modulation signal input interface, safety interlocking interface, laser state output interface, laser control interface respectively again;
Described mains switch is made up of key switch and ship type switch two parts;
Described MCU controller adopts the single-chip microcomputer of model MSP430.
The utility model be by microprocessor as kernel control module, possess good man computer interface, system realizes the function of Laser Drive all sidedly, and is simple to operate, price has great advantage than the like product from external import.
Description of drawings:
Fig. 1, Fig. 2 are outside drawing of the present utility model;
Fig. 3 is a structure principle chart of the present utility model.
Embodiment:
As Fig. 1, shown in Figure 2, this Laser Driven power supply is provided with 1 and is the electric network source switch, 2 are the driver switch lock, under arrange display (4-digit number) 3, last row's display (4-digit number) 4, laser diode (LD) luminous power button and indicator light 5, LD electric current button and indicator light 6, temperature is set button and indicator light 7, LD current impulse repetition period button and indicator light 8, measure temperature button and indicator light 9, LD current pulse width button and indicator light 10, LD running button and indicator light 11, heat stabilization system shift knob and indicator light 12, parameter modification knob 13, switches in burst mode button and indicator light 14, measuring voltage button and indicator light 15 are set configuration parameter " mode button and indicator light 16; parameter tuning " mode button and indicator light 17, be used for the slot 18 that is connected with laser head, about the jack 20 of 19, two installation insurance silks of sign of electric network source type, electric network source slot 21, external modulation signal input jack 22 is used for the serial port 23 of external connected electronic computer, laser state output plughole 24, ventilating opening 25, earth terminal 26.
As shown in Figure 3, button and LED display are realized man-machine interaction, finish the reality of input, demonstration and the actual measured value of set point.Mains switch is made up of key switch and ship type switch two parts.Key switch is realized the function of locked laser; Ship type switch can be realized the sudden-stop function under the state of emergency.The MCU controller will adopt the MSP430 Series chip, this series monolithic processing speed under the situation of equal crystal oscillator is more than 10 times of common 51 single-chip microcomputers, its peripheral function is very powerful simultaneously, have interfaces such as multi-channel A C, DAC, PWM, SPI, iic, can simplify circuit design, dwindle the circuit board volume.Be suitable as very much the microcontroller of this power-supply system.It will cooperate with LD power supply, TEC power supply, realize LD power, accuracy control over temperature.Main electricity is an AC/DC power module, and it is MCU microcontroller, LD power supply, the power supply of TEC power supply.Can directly insert 95 ~ 240V AC power supply network.The protection of dual fail-safe silk.The LD power supply is the special-purpose LD power supply according to the principle realization of constant-current source.By cooperating the accurate control that realizes electric current, voltage with the MCU microcontroller.The TEC power supply is to realize according to the principle of switch constant voltage.It has made full use of TEC can realize the function of heating and cooling by changing the sense of current, realizes+5 ℃ ~+48 ℃ any design temperatures, all can reach design temperature fast.And cooperate adaptive pid algorithm in the MCU controller, realize the control precision of LD temperature ± 0.1 ℃.The external modulation signaling interface, the function of realization external control signal modulation LD bright dipping.Safety interlocking when the switching signal of this interface and operational environment inlet is linked together, can be realized the personnel's that swarm into because of mistake safety.
This product has been realized following function: (1) laser constant-current driving.With current constant mode control laser diode current, realize digitized control requirement.(2) laser temperature control.Employing TEC realizes the control to laser temperature.(3) You Hao man-machine interface.Realize good man computer interface by the software that moves in hardware such as charactron, LED lamp, knob, keyboard and the microprocessor.(4) operating parameter storage.Realization is called relevant parameter next time automatically to the record of last operating parameter when using.(5) good surface appearance design and making.
Claims (3)
1. high-precision and high-stability LD Laser Driven power supply, comprise main electricity, it is characterized in that button is connected the MCU controller with LED display, the MCU controller links to each other with LD power supply, TEC power supply, and the MCU controller is connected with RS232 interface, external modulation signal input interface, safety interlocking interface, laser state output interface, laser control interface respectively again.
2. a kind of high-precision and high-stability LD Laser Driven power supply as claimed in claim 1 is characterized in that mains switch is made up of key switch and ship type switch two parts.
3. a kind of high-precision and high-stability LD Laser Driven power supply as claimed in claim 1 is characterized in that the MCU controller adopts the single-chip microcomputer of model MSP430.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201967505U CN201549764U (en) | 2009-09-17 | 2009-09-17 | LD laser-driven power source with high precision and stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201967505U CN201549764U (en) | 2009-09-17 | 2009-09-17 | LD laser-driven power source with high precision and stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201549764U true CN201549764U (en) | 2010-08-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201967505U Expired - Fee Related CN201549764U (en) | 2009-09-17 | 2009-09-17 | LD laser-driven power source with high precision and stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201549764U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129790A (en) * | 2016-09-05 | 2016-11-16 | 吉林大学 | A kind of digital laser pumping source |
| CN106711758A (en) * | 2016-12-22 | 2017-05-24 | 吉林大学 | Pulse laser range finder emitter driving power supply |
| CN106785894A (en) * | 2016-12-22 | 2017-05-31 | 吉林大学 | A kind of digital semiconductor laser pulse driver |
| CN109765473A (en) * | 2019-01-14 | 2019-05-17 | 武汉光迅科技股份有限公司 | A kind of high power laser test macro and method |
| CN114245608A (en) * | 2021-12-21 | 2022-03-25 | 深圳市三角铁科技有限公司 | Integrated circuit for laser chip removal |
-
2009
- 2009-09-17 CN CN2009201967505U patent/CN201549764U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129790A (en) * | 2016-09-05 | 2016-11-16 | 吉林大学 | A kind of digital laser pumping source |
| CN106129790B (en) * | 2016-09-05 | 2019-06-07 | 吉林大学 | A kind of digital laser pumping source |
| CN106711758A (en) * | 2016-12-22 | 2017-05-24 | 吉林大学 | Pulse laser range finder emitter driving power supply |
| CN106785894A (en) * | 2016-12-22 | 2017-05-31 | 吉林大学 | A kind of digital semiconductor laser pulse driver |
| CN106785894B (en) * | 2016-12-22 | 2019-05-07 | 吉林大学 | A kind of digital semiconductor laser pulse driver |
| CN106711758B (en) * | 2016-12-22 | 2019-05-07 | 吉林大学 | Pulse laser laser welder transmitter driving power |
| CN109765473A (en) * | 2019-01-14 | 2019-05-17 | 武汉光迅科技股份有限公司 | A kind of high power laser test macro and method |
| CN114245608A (en) * | 2021-12-21 | 2022-03-25 | 深圳市三角铁科技有限公司 | Integrated circuit for laser chip removal |
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Legal Events
| 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: 20100811 Termination date: 20130917 |