CN203233050U - Semiconductor laser power supply - Google Patents
Semiconductor laser power supply Download PDFInfo
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- CN203233050U CN203233050U CN 201320140087 CN201320140087U CN203233050U CN 203233050 U CN203233050 U CN 203233050U CN 201320140087 CN201320140087 CN 201320140087 CN 201320140087 U CN201320140087 U CN 201320140087U CN 203233050 U CN203233050 U CN 203233050U
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- modular converter
- semiconductor laser
- chip microcomputer
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Abstract
The utility model relates to a semiconductor laser power supply, especially to a semiconductor laser power supply with changeable driving characteristics. The semiconductor laser power supply comprises a communication interface module, a single-chip microcomputer, a DA conversion module, an AD conversion module, a drive circuit, a current detection module, a multichannel AD conversion module and a semiconductor laser, wherein the communication interface module, the single-chip microcomputer, the DA conversion module, the drive circuit and the semiconductor laser are serially connected, the single-chip microcomputer is connected to one end of portion where the AD conversion module is serially connected to the current detection module, the other end is connected to the drive circuit, and the multi-channel AD conversion module is directly connected to the single-chip microcomputer. Compared with the prior art, the semiconductor laser power supply adapts to a plurality of driving characteristics. When the power supply characteristics change, the laser outputs by the semiconductor laser meets the requirements for different application.
Description
Technical field
The utility model relates to a kind of Laser Power Devices, particularly relates to a kind of semiconductor laser power supply of convertible drive characteristic.
Background technology
Current, semiconductor laser power supply normally is made up of drive circuit for laser, main control circuit, temperature-control circuit and Feedback of Power circuit etc., and mostly this power supply is to adopt the way of constant-current source, usually volume is bigger, intelligent not enough, adaptability is relatively poor, and drive characteristic is single.When requiring power source of semiconductor laser to have the different driving characteristic, general drive circuit can't satisfy performance requirement.
Press for a kind of Laser Power Devices that can adapt to multiple drive characteristic in the market.
Summary of the invention
The purpose of this utility model provides a kind of semiconductor laser power supply that can adapt to multiple drive characteristic.
The technical scheme that the utility model adopts is that a kind of semiconductor laser power supply comprises communication interface module, single-chip microcomputer, DA modular converter, AD modular converter, drive circuit, current detection module, multichannel AD modular converter and semiconductor laser; Described communication interface module is used for receiving the host computer data; Described single-chip microcomputer is used for data acquisition and processing; Described DA modular converter is used for digital quantity is converted into voltage signal; Described AD modular converter is used for gathering current signal; Described drive circuit is used for drive laser; Described current detection module is used for current signal is detected amplification; Described multichannel AD modular converter is used for accepting the unlike signal source; Described communication interface module, single-chip microcomputer, DA modular converter, drive circuit and semiconductor laser are connected in series, described AD modular converter is connected in series afterwards with current detection module, and an end is connected with described single-chip microcomputer, the other end is connected with described drive circuit, and described multichannel AD modular converter directly is connected with described single-chip microcomputer.
As preferably, described multichannel AD modular converter also comprises: the first signalling channel module, secondary signal channel module, the 3rd signalling channel module, the 4th signalling channel module; The described first signalling channel module, secondary signal channel module, the 3rd signalling channel module, the 4th signalling channel module are used for input control parameter; The described first signalling channel module, secondary signal channel module, the 3rd signalling channel module, the 4th signalling channel module directly are connected with described multichannel AD modular converter.
As preferably, described single-chip microcomputer comprises control data register, algorithm selector, algorithm memory; Described control data register, algorithm selector, algorithm memory are connected in series in proper order.
As preferably, described algorithm memory is integrated with first and presets algoritic module, second and preset algoritic module, the 3rd and preset algoritic module, the 4th and preset algoritic module.
Relative and the prior art of the utility model can adapt to multiple drive characteristic, and when the converting power source characteristic, the laser of semiconductor laser output can adapt to different application demands.
Description of drawings
Fig. 1: the utility model circuit architecture block diagram.
Fig. 2: our bright theory diagram.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, so that those skilled in the art can better understand the utility model and being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1, a kind of semiconductor laser power supply of the present utility model comprises communication interface module 1, single-chip microcomputer 2, DA modular converter 3, AD modular converter 4, drive circuit 5, current detection module 6, multichannel AD modular converter 7 and semiconductor laser 8, the first signalling channel module 71, secondary signal channel module 72, the 3rd signalling channel module 73, the 4th signalling channel module 74; Communication interface module 1, single-chip microcomputer 2, DA modular converter 3, drive circuit 5 and semiconductor laser 8 are connected in series, AD modular converter 4 is connected in series afterwards with current detection module 6, and an end is connected with single-chip microcomputer 2, the other end is connected with drive circuit 5, and multichannel AD modular converter 7 directly is connected with single-chip microcomputer 2; The first signalling channel module 71, secondary signal channel module 72, the 3rd signalling channel module 73, the 4th signalling channel module 74 directly are connected with multichannel AD modular converter 7.
Communication interface module 1 is used for receiving the PC control data, single-chip microcomputer 2 is used for the carrying control program, image data signal and output control signal, DA modular converter 3 is responsible for the control signal of single-chip microcomputer output is transformed to the available signal of telecommunication, drive circuit 4 receives the signal of telecommunication of DA modular converter 3 outputs and controls laser diode current, current detection module 6 and AD modular converter 5 are for detection of laser diode current, multichannel AD modular converter is for detection of various input signals, the first signalling channel module 71, secondary signal channel module 72, the 3rd signalling channel module 73, the 4th signalling channel module 74 can be imported various control parameters, as electric current, power, temperature, power density etc.
As shown in Figure 2, the concrete workflow of present embodiment is as follows: by communication interface module 1, receive the signal that host computer sends, store in the control data register 21 in the single-chip microcomputer 2, be integrated with algorithm memory 23 in the single-chip microcomputer 2, can be integrated in first in the algorithm memory 23 according to actual needs and preset algoritic module, second presets algoritic module, the 3rd presets algoritic module, the 4th presets algoritic module, algorithm selector 22 in the single-chip microcomputer 2 presets algoritic module to the four first and presets in the algoritic module and to select to preset algorithm, simultaneously by demand output data.Data acquisition module 75 control A/D convertor circuits in the multichannel AD modular converter 7 are gathered each channel module data automatically.Algorithm selector 22 in the single-chip microcomputer 2 selects to preset algorithm, calculates the output result, outputs to DA modular converter 4, is used for control laser output laser.Certainly, the above-mentioned algoritic module that presets can preset algoritic module according to actual needs and expands.Presetting algoritic module can have polylith, and maximum algorithm module number only is subjected to the storage space limitations of single-chip microcomputer algorithm memory 23.
Following 4 kinds of mode of operations can selecting for Laser Power Devices:
1. power following pattern, namely laser power is followed power setting signal;
2. temperature control model, namely the heating-up temperature of illuminated laser spot is stable at set point;
3. power density control model, the i.e. laser power density of automatic stabilisation illuminated laser spot;
4. the parameter follow the mode is about to power setting signal and is converted to temperature or power density set point, and temperature or power density are followed automatically in setting signal.
The above embodiment is the preferred embodiment that proves absolutely that the utility model is lifted, and protection range of the present utility model is not limited thereto.Being equal to that those skilled in the art do on the utility model basis substitutes or conversion, all within protection range of the present utility model.Protection range of the present utility model is as the criterion with claims.
Claims (4)
1. a semiconductor laser power supply comprises communication interface module (1), single-chip microcomputer (2), DA modular converter (3), AD modular converter (4), drive circuit (5), current detection module (6), multichannel AD modular converter (7) and semiconductor laser (8);
Described communication interface module (1) is used for receiving the host computer data;
Described single-chip microcomputer (2) is used for data acquisition and processing;
Described DA modular converter (3) is used for digital quantity is converted into voltage signal;
Described AD modular converter (4) is used for gathering current signal;
Described drive circuit (5) is used for drive laser;
Described current detection module (6) is used for current signal is detected amplification;
Described multichannel AD modular converter (7) is used for accepting the unlike signal source;
Described communication interface module (1), single-chip microcomputer (2), DA modular converter (3), drive circuit (5) and semiconductor laser (8) are connected in series, described AD modular converter (4) is connected in series afterwards with current detection module (6), and an end is connected with described single-chip microcomputer (2), the other end is connected with described drive circuit (5), and described multichannel AD modular converter (7) directly is connected with described single-chip microcomputer (2).
2. semiconductor laser power supply according to claim 1, it is characterized in that: described multichannel AD modular converter (7) also comprises: the first signalling channel module (71), secondary signal channel module (72), the 3rd signalling channel module (73), the 4th signalling channel module (74);
The described first signalling channel module (71), secondary signal channel module (72), the 3rd signalling channel module (73), the 4th signalling channel module (74) are used for input control parameter;
The described first signalling channel module (71), secondary signal channel module (72), the 3rd signalling channel module (73), the 4th signalling channel module (74) directly are connected with described multichannel AD modular converter (7).
3. semiconductor laser power supply according to claim 1 is characterized in that: described single-chip microcomputer (2) comprises control data register (21), algorithm selector (22), algorithm memory (23); Described control data register (21), algorithm selector (22), algorithm memory (23) order are connected in series.
4. semiconductor laser power supply according to claim 3 is characterized in that: described algorithm memory (23) is integrated with first and presets algoritic module, second and preset algoritic module, the 3rd and preset algoritic module, the 4th and preset algoritic module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140087 CN203233050U (en) | 2013-03-26 | 2013-03-26 | Semiconductor laser power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140087 CN203233050U (en) | 2013-03-26 | 2013-03-26 | Semiconductor laser power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203233050U true CN203233050U (en) | 2013-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320140087 Expired - Fee Related CN203233050U (en) | 2013-03-26 | 2013-03-26 | Semiconductor laser power supply |
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| CN (1) | CN203233050U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219647A (en) * | 2013-03-26 | 2013-07-24 | 武汉锐泽科技发展有限公司 | Semiconductor laser power supply |
| CN107302182A (en) * | 2017-07-12 | 2017-10-27 | 哈尔滨理工大学 | A kind of preset S7500 laser drive currents source of random waveform |
-
2013
- 2013-03-26 CN CN 201320140087 patent/CN203233050U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219647A (en) * | 2013-03-26 | 2013-07-24 | 武汉锐泽科技发展有限公司 | Semiconductor laser power supply |
| CN103219647B (en) * | 2013-03-26 | 2016-01-06 | 武汉锐泽科技发展有限公司 | A kind of semiconductor laser power supply |
| CN107302182A (en) * | 2017-07-12 | 2017-10-27 | 哈尔滨理工大学 | A kind of preset S7500 laser drive currents source of random waveform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20190326 |