CN208111914U - A kind of pulse type semiconductor laser driving power of double MCU controls - Google Patents
A kind of pulse type semiconductor laser driving power of double MCU controls Download PDFInfo
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- CN208111914U CN208111914U CN201820730921.7U CN201820730921U CN208111914U CN 208111914 U CN208111914 U CN 208111914U CN 201820730921 U CN201820730921 U CN 201820730921U CN 208111914 U CN208111914 U CN 208111914U
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- circuit
- semiconductor laser
- laser driving
- frequency
- machine controlling
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Abstract
A kind of pulse type semiconductor laser driving power of double MCU controls, is related to semiconductor laser drive power technical field.Since pulse type semiconductor laser driving power needs built-in TTL high-frequency impulse that circuit occurs, and this function is usually to be realized on the basis of completing other control functions by single chip machine controlling circuit, thus there is a disadvantage：Single-chip microcontroller will occupy the regular hour when executing other control instructions at random, this precision that will lead to circuit occurs for TTL high-frequency impulse frequency and pulsewidth reduces.The utility model is to increase single chip machine controlling circuit 1 on the basis of general pulse type semiconductor laser driving power.Circuit occurs for 1 realization TTL high-frequency impulse of the single chip machine controlling circuit, it is not influenced by other control functions (or instruction), it ensure that the frequency of power source internal TTL high-frequency impulse and the precision of pulsewidth, also ensure that the frequency of the pulse current of power supply output and the control precision of pulsewidth.
Description
Technical field
The utility model relates to laser drive power technical fields, more particularly, to semiconductor laser drive power skill
Art field.
Background technique
Semiconductor laser drive power can be divided into two major classes：One kind is continuous type output Laser Power Devices, and another kind of is arteries and veins
Rush formula output Laser Power Devices.Pulse type semiconductor laser driving power usually requires built-in TTL high-frequency impulse and circuit occurs, and
This function is usually to be realized on the basis of completing other control functions by single chip machine controlling circuit, thus there is one
Disadvantage：The core devices MCU of single chip machine controlling circuit will occupy some times when executing other instructions at random, this will lead to
The precision of circuit occurs for TTL high-frequency impulse frequency and pulsewidth reduces, so as to cause semiconductor laser drive power output
The frequency of pulse current and the control precision of pulsewidth reduce.
Summary of the invention
The utility model is to increase single-chip microcontroller control on the basis of general pulse type semiconductor laser driving power
Circuit 1 processed.The single chip machine controlling circuit 1 and single chip machine controlling circuit 0 are relatively independent on circuit structure.The single-chip microcontroller control
Circuit occurs for 1 realization TTL high-frequency impulse of circuit processed, is not influenced by other control functions (or instruction), ensure that pulsed
The frequency of TTL high-frequency impulse and the precision of pulsewidth, also ensure that output pulse current inside semiconductor laser drive power
Frequency and pulsewidth control precision.
The utility model is solving scheme used by its technical problem：The utility model include AC-DC conversion circuit,
Single chip machine controlling circuit 0, data storage, control and display interface, emergency stop switch, are remotely controlled chain, laser drive at floor push
Dynamic circuit, laser driving interface, it is characterized in that：Increase single chip machine controlling circuit 1.The single chip machine controlling circuit 1 is distinguished
There is electric connection with AC-DC translation circuit, single chip machine controlling circuit 0, laser driving circuit.The single chip machine controlling circuit 1
Including：Single-chip microcontroller (MCU) U1, TTL logic chip U2, crystal oscillator X1, capacitor C1, C2, C3, resistance R1.
The utility model has the beneficial effects that：It ensure that TTL high frequency arteries and veins inside pulse type semiconductor laser driving power
The frequency of punching and the precision of pulsewidth, thus ensure that pulse type semiconductor laser driving power output pulse current frequency and
The control precision of pulsewidth.
Detailed description of the invention
Fig. 1 is the utility model schematic block circuit diagram.
Fig. 2 is 1 circuit diagram of single chip machine controlling circuit described in the utility model.
U1 is single-chip microcontroller (MCU) in figure, and U2 is TTL logic chip, and X1 is crystal oscillator, and C1, C2, C3 are capacitor, and R1 is resistance.
U0 is the single-chip microcontroller of the single chip machine controlling circuit 0, and U3 is the TTL logic chip of the laser driving circuit.
Specific embodiment
In Fig. 1, ac-input power supply is after AC-DC conversion circuit, to single chip machine controlling circuit 0, single-chip microcontroller control electricity
Road 1, data storage, laser driving circuit provide DC power supply.It is control and display interface, floor push, emergency stop switch, distant
Control it is chain respectively with 0 connecting communication of single chip machine controlling circuit.The single chip machine controlling circuit 1 has phase with single chip machine controlling circuit 0
Mutually communication.The TTL high-frequency impulse that the single chip machine controlling circuit 1 exports is input to laser driving circuit, to control laser
The frequency and pulsewidth of driving circuit output electric current.
In Fig. 2, the core devices of single chip machine controlling circuit 1 are single-chip microcontroller U1, concrete model AT89C2051.TTL
The frequency and pulsewidth of high-frequency impulse are determined that the high-frequency pulse signal is exported simultaneously by single-chip microcontroller U1 by the execution of single-chip microcontroller U1 internal processes
Through TTL logic chip U2 reverse phase, it is then input to laser driving circuit.The frequency of the pulse current of laser driving circuit output
Rate and pulsewidth are identical with the high-frequency pulse signal that single-chip microcontroller U1 is exported.
Claims (1)
1. a kind of pulse type semiconductor laser driving power of double MCU controls, controls comprising AC-DC conversion circuit, single-chip microcontroller
Circuit 0, data storage, control and display interface, floor push, emergency stop switch, remote control is chain, laser driving circuit, swashs
Light device driving interface, it is characterized in that：Single chip machine controlling circuit 1 is increased, the single chip machine controlling circuit 1 becomes with AC-DC respectively
Changing circuit, single chip machine controlling circuit 0, laser driving circuit has electric connection, and the single chip machine controlling circuit 1 includes：Monolithic
Machine (MCU) U1, TTL logic chip U2, crystal oscillator X1, capacitor C1, C2, C3, resistance R1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820730921.7U CN208111914U (en) | 2018-05-17 | 2018-05-17 | A kind of pulse type semiconductor laser driving power of double MCU controls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820730921.7U CN208111914U (en) | 2018-05-17 | 2018-05-17 | A kind of pulse type semiconductor laser driving power of double MCU controls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208111914U true CN208111914U (en) | 2018-11-16 |
Family
ID=64113805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820730921.7U Active CN208111914U (en) | 2018-05-17 | 2018-05-17 | A kind of pulse type semiconductor laser driving power of double MCU controls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208111914U (en) |
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2018
- 2018-05-17 CN CN201820730921.7U patent/CN208111914U/en active Active
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