CN206364374U - A kind of semiconductor laser drive power based on Vicor modules - Google Patents
A kind of semiconductor laser drive power based on Vicor modules Download PDFInfo
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- CN206364374U CN206364374U CN201621418405.8U CN201621418405U CN206364374U CN 206364374 U CN206364374 U CN 206364374U CN 201621418405 U CN201621418405 U CN 201621418405U CN 206364374 U CN206364374 U CN 206364374U
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Abstract
The utility model belongs to electric and electronic technical field, specifically related to a kind of semiconductor laser drive power based on Vicor modules, including power supply changeover device, input circuit, controller, linearity control circuit, load drive amplification circuit, sampling feedback circuit, analog isolation circuit, input circuit is electrically connected with power supply changeover device, and power supply changeover device is electrically connected with load drive amplification circuit, linearity control circuit is electrically connected with sampling feedback circuit, load drive amplification circuit respectively, and controller is electrically connected by analog isolation circuit with linearity control circuit；The semiconductor laser drive power based on Vicor modules, possesses that output current precision is high, and fast response time, scalability is high, and compatibility is good, and power density is big, the advantages of intelligentized control method；For the semiconductor laser load of different application and voltage class, being somebody's turn to do the semiconductor laser drive power based on Vicor modules only needs to change different Vicor power modules.
Description
Technical field
The utility model belongs to electric and electronic technical field, and in particular to a kind of semiconductor laser based on Vicor modules
Device driving power supply.
Background technology
With the progress of science and technology, semiconductor laser has been widely used in optical-fibre communications, integrated optics, swashed
Light printing, laser beam flying, CD storage technique, laser ranging, laser radar, light-pumped solid state laser, pulse Doppler into
Picture, 3D rendering system, optical fiber temperature measuring sensor etc. field.In the various fields, particularly know in laser acquisition and target
In other field, the performance such as recognition capability, spacing precision, anti-interference and low-power consumption of target both depends on semiconductor laser hair
The laser pulse quality penetrated.
Semiconductor laser drive power（Abbreviation LD driving power supplies below）It is to apply switch power technology and linear electricity
Source technology, and both advantages are combined so that the LD driving power supplies possess efficiency high, and current ripples
It is small, the features such as response speed is high.LD driving power supplies provide CAN communication mode and carry out internal modulation function, and can be according to outside
The pwm signal of input synchronizes the corresponding current impulse of output.
Traditional LD driving power supplies use analog form or pure Switching Power Supply mode, there is output current low precision, surely
The problem of qualitative difference, dynamic respective differences and single pattern.Due to the intrinsic characteristic of Switching Power Supply cause output current ripple compared with
Greatly, and precision is difficult to improve, especially when load is dynamic load, its time response is inadequate.
Utility model content
The purpose of this utility model be overcome the shortcoming problem of semiconductor laser drive power of the prior art there is provided
A kind of semiconductor laser drive power based on Vicor modules.
Therefore, the utility model provides a kind of semiconductor laser drive power based on Vicor modules, including power supply
Converter, in addition to input circuit, controller, linearity control circuit load drive amplification circuit, sampling feedback circuit, simulation
Isolation circuit；
The input circuit is electrically connected with power supply changeover device, and power supply changeover device is electrically connected with load drive amplification circuit；
The linearity control circuit circuit is electrically connected with sampling feedback circuit, load drive amplification circuit respectively；
The controller is electrically connected by analog isolation circuit with linearity control circuit.
Energy storage filter circuit is additionally provided between power supply changeover device and load drive amplification circuit.
Power supply changeover device is DC/DC converters or AC/DC converters.
Sampling feedback circuit mainly includes current sampling circuit and temperature sampling circuit.
Linearity control circuit is PID controller circuit.
Controller is also electrically connected with telecommunication circuit.
Telecommunication circuit is the communication mode based on can communication protocols.
Controller is also electrically connected with PWM input capture circuits.
The beneficial effects of the utility model：This semiconductor laser based on Vicor modules that the utility model is provided
Driving power supply, using the teaching of the invention it is possible to provide the controllable section of output current all the way, possesses external modulation and internal modulation mode, is operable with pulse mode
The driving power supply of formula and continuous mode.It possesses output current precision height, and fast response time, scalability is high, compatible good, work(
Rate density is big, the advantages of intelligentized control method.For the semiconductor laser load of different application and voltage class, this is based on
The semiconductor laser drive power of Vicor modules only needs to change different Vicor power modules.
The utility model is described in further details below with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is the control block diagram of the semiconductor laser drive power based on Vicor modules.
Fig. 2 is the theory diagram of the semiconductor laser drive power based on Vicor modules.
Embodiment
Reach technological means and effect that predetermined purpose is taken for the utility model is expanded on further, below in conjunction with accompanying drawing
And embodiment is to embodiment of the present utility model, architectural feature and its effect, describe in detail as follows.
In order to overcome the shortcoming problem of semiconductor laser drive power of the prior art, one kind is present embodiments provided
The semiconductor laser drive power based on Vicor modules as shown in Figure 1 and Figure 2, including power supply changeover device, in addition to input
Circuit, controller, linearity control circuit loads drive amplification circuit, sampling feedback circuit, analog isolation circuit；
Input circuit is electrically connected with power supply changeover device, and power supply changeover device is electrically connected with load drive amplification circuit；Input electricity
Road is selected according to the requirement of load, and direct current, exchange can be with；
Linearity control circuit circuit is electrically connected with sampling feedback circuit, load drive amplification circuit respectively；
Controller is electrically connected by analog isolation circuit with linearity control circuit.
Above-mentioned input circuit is completed to input direct-current or the rectifying and wave-filtering of exchange, is isolated by change-over circuit and is turned
Change, the electric energy of output is met the demand of loaded work piece, be then communicated to load drive amplification circuit, by Linear Control electricity
After the control and regulation on road, load is transferred to.
Energy storage filter circuit is additionally provided between above-mentioned power supply changeover device and load drive amplification circuit, the energy storage filtered electrical
Road is mainly made up of some electric capacity arranged side by side with some diodes connected.
Above-mentioned power supply changeover device is DC/DC converters or AC/DC converters, selects DC/DC converters or AC/DC converters
Selected according to the power supply that load or environment can be provided.
Above-mentioned sampling feedback circuit mainly includes current sampling circuit and temperature sampling circuit.
Above-mentioned linearity control circuit is PID controller circuit.
Controller noted above is also electrically connected with telecommunication circuit.
Above-mentioned telecommunication circuit is the communication mode based on can communication protocols.
Controller noted above is also electrically connected with PWM input capture circuits.
Wherein, input circuit is completed to input direct-current or the rectifying and wave-filtering of exchange, and DC/DC change-over circuits are isolated
Direct current conversion, output energy storage filtering ensures to provide enough energy, and linearity control circuit completes the accurate control to electric current,
CAN communication circuit and user carry out reliable and secure communication, and PWM input captures are believed with the PWM duty cycle and frequency for obtaining input
Breath, the sampling of electric current and temperature can realize the protection and monitoring of system.
The linearity control circuit of the semiconductor laser drive power based on Vicor modules in Fig. 2, can be according to MCU
The given instruction that controller unit is provided, and then there is provided to semiconductor laser for the corresponding continuous current of output or pulse current
Load is powered.
It should be noted that the design for the semiconductor laser drive power based on Vicor modules that the present embodiment is provided
Scheme can apply any DC/DC converters or AC/DC converters of vicor companies；For different input requirements, it can choose
The power supply changeover device of different switching function；For different output voltage range requirements, the electricity of different output parameters can be chosen
Source converter, therefore the program possesses very strong compatibility and autgmentability；For linearity control circuit, it is only necessary to defeated according to difference
Go out current class and change drive circuit or power transistor, it is possible to decrease secondary development cost and risk；For different controls
System is required, through needing to update control software so that semiconductor laser drive power is more flexibly controllable and intelligent.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to protection domain of the present utility model.
Claims (8)
1. a kind of semiconductor laser drive power based on Vicor modules, including power supply changeover device, it is characterised in that：Also wrap
Input circuit is included, controller, linearity control circuit loads drive amplification circuit, sampling feedback circuit, analog isolation circuit；
The input circuit is electrically connected with power supply changeover device, and power supply changeover device is electrically connected with load drive amplification circuit；
The linearity control circuit circuit is electrically connected with sampling feedback circuit, load drive amplification circuit respectively；
The controller is electrically connected by analog isolation circuit with linearity control circuit.
2. the semiconductor laser drive power as claimed in claim 1 based on Vicor modules, it is characterised in that：The electricity
Energy storage filter circuit is additionally provided between source converter and load drive amplification circuit.
3. the semiconductor laser drive power as claimed in claim 1 based on Vicor modules, it is characterised in that：The electricity
Source converter is DC/DC converters or AC/DC converters.
4. the semiconductor laser drive power as claimed in claim 1 based on Vicor modules, it is characterised in that：It is described to adopt
Sample feedback circuit mainly includes current sampling circuit and temperature sampling circuit.
5. the semiconductor laser drive power as claimed in claim 1 based on Vicor modules, it is characterised in that：The line
Property control circuit be PID controller circuit.
6. the semiconductor laser drive power as claimed in claim 1 based on Vicor modules, it is characterised in that：The control
Device processed is also electrically connected with telecommunication circuit.
7. the semiconductor laser drive power as claimed in claim 6 based on Vicor modules, it is characterised in that：It is described logical
Letter circuit is the communication mode based on can communication protocols.
8. the semiconductor laser drive power as claimed in claim 1 based on Vicor modules, it is characterised in that：The control
Device processed is also electrically connected with PWM input capture circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621418405.8U CN206364374U (en) | 2016-12-22 | 2016-12-22 | A kind of semiconductor laser drive power based on Vicor modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621418405.8U CN206364374U (en) | 2016-12-22 | 2016-12-22 | A kind of semiconductor laser drive power based on Vicor modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206364374U true CN206364374U (en) | 2017-07-28 |
Family
ID=59375585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621418405.8U Active CN206364374U (en) | 2016-12-22 | 2016-12-22 | A kind of semiconductor laser drive power based on Vicor modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206364374U (en) |
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2016
- 2016-12-22 CN CN201621418405.8U patent/CN206364374U/en active Active
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