CN209104568U - A kind of control circuit of laser - Google Patents
A kind of control circuit of laser Download PDFInfo
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- CN209104568U CN209104568U CN201821543391.1U CN201821543391U CN209104568U CN 209104568 U CN209104568 U CN 209104568U CN 201821543391 U CN201821543391 U CN 201821543391U CN 209104568 U CN209104568 U CN 209104568U
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Abstract
The utility model discloses a kind of control circuits of laser, for controlling the light-emitting units of laser, comprising: synchronous generator, power adjustment unit and the port that is integrated and connected；The output end of the synchronous generator is connect by the port that is integrated and connected with the light-emitting units, to excitation laser beam；The output end of the power adjustment unit is connect by the port that is integrated and connected with the light-emitting units, for adjusting the output power for controlling the light-emitting units.The control circuit and the laser are electrically connected by the port that is integrated and connected in technical solutions of the utility model, synchronous generator and power adjustment unit in the control circuit can act on the light-emitting units in the laser, to carry out Laser emission, realize that convenient, flexible laser bakes machine test.The control circuit has many advantages, such as easy, small-sized, easy to use and flexible.
Description
Technical field
The utility model relates to electronic technology fields, and in particular, to a kind of control circuit of laser, it is sharp for controlling
The light-emitting units of light device.
Background technique
Laser includes light-emitting units, and light-emitting units can be excited, to carry out Laser emission.Traditional laser control
System includes industrial personal computer, control card and control software, by setting light power, frequency on software to control in laser
Light-emitting units, to carry out Laser emission, system structure is huger.It is traditional when multi-station laser roasting machine test simultaneously
Material resources, space resources in Laser Control System occupy big.Therefore, pole needs easy, small-sized control structure to cope with
More laser is carried out simultaneously bakes machine test.
Utility model content
The utility model is intended to propose a kind of easy, small-sized control circuit, so that the roasting machine test of laser is flexible
It is convenient, save material resources and space resources.
The technical solution adopted in the utility model are as follows: a kind of control circuit of laser, for controlling the light out of laser
Unit, comprising: synchronous generator, power adjustment unit and the port that is integrated and connected；
The output end of the synchronous generator is connect by the port that is integrated and connected with the light-emitting units, to
Excitation laser beam；
The output end of the power adjustment unit is connect by the port that is integrated and connected with the light-emitting units, for adjusting
Section controls the output power of the light-emitting units.
Optionally, the laser further includes power circuit, and the output end of the power circuit passes through the integrated company
It connects port to connect with the input terminal of the synchronous generator, be supported for providing power supply for the synchronous generator.
Optionally, the synchronous generator includes voltage regulator circuit, hysteresis comparator and oscillating circuit；
The output end of the voltage regulator circuit is connect with the non-inverting input terminal of the hysteresis comparator；
The inverting input terminal of the hysteresis comparator is connect with the oscillating circuit, and the output end of the hysteresis comparator is logical
The port that is integrated and connected is crossed to connect with the light-emitting units.
Optionally, the oscillating circuit is RC oscillating circuit, LC oscillating circuit or RLC oscillating circuit.
Optionally, when the oscillating circuit is RC oscillating circuit, the oscillating capacitance C of the RC oscillating circuit is adjustable electric
Hold and/or oscillation resistance R is adjustable resistance.
Optionally, the voltage regulator circuit includes voltage-stablizer；The input terminal of the voltage-stablizer is connected with the first filter circuit, uses
To filter the ac component in inlet circuit；The non-inverting input terminal of the output end of the voltage-stablizer and the hysteresis comparator
Connection, and it is connected with the second filter circuit, to filter the ac component in circuit of output terminal.
Optionally, the power adjustment unit includes first switch controller；The first switch controller is by power tune
Section is divided at least two gear ranges.
Optionally, which further includes second switch controller；The second switch controller is opened with described first
It closes controller to be connected in circuit, to cooperate the power regulation for adjusting and controlling in the power adjustment unit；
Wherein, the second switch controller includes level-one control switch, Two-stage control switch and latches control switch；Institute
Level-one control switch is stated to control the light-emitting units transmitting constant power laser beam；
The Two-stage control switch is combined with the latch control switch, to cooperate the first switch controller to regulate and control
Power regulation in the power adjustment unit: when the Two-stage control switchs in the open state, the first switch control
Device regulates and controls the power in the power adjustment unit, and triggers the latch control switch, so as to go out light list described in combined regulating
Member emits the laser beam of corresponding power.
Optionally, the port that is integrated and connected is integrated pluggable port.
Optionally, the control circuit further includes police instruction circuit；The police instruction circuit passes through the integrated company
It connects port to be connected on the laser, for showing the working condition of the laser.
The port that is integrated and connected in technical solutions of the utility model is electrical by the control circuit and the laser
It connects, the synchronous generator and power adjustment unit in the control circuit can act on going out in the laser
Light unit realizes that convenient, flexible laser bakes machine test to carry out Laser emission.The control circuit has easy, small-sized
The advantages that, easy to use and flexible.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
The structure shown obtains other attached drawings.
Fig. 1 is a kind of Laser Control System schematic diagram provided by the embodiment of the utility model；
Fig. 2 is a kind of structural circuit figure of the control circuit of laser provided by the embodiment of the utility model.
Wherein, main description of symbols:
| Control circuit 10 | Be integrated and connected port 11 | Synchronous generator 12 |
| Power adjustment unit 13 | First switch controller 131 | Second switch controller 14 |
| Police instruction circuit 15 | Laser 20 | Light-emitting units 21 |
| Power circuit 22 |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.If relating to retouching for " first ", " second " etc. in the utility model embodiment
It states, then the description for being somebody's turn to do " first ", " second " etc. is used for description purposes only, and is not understood to indicate or imply its relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be
Based on can be realized by those of ordinary skill in the art, answered when conflicting or cannot achieve when occurs in the combination of technical solution
When the combination for thinking this technical solution is not present, also not within the protection scope of the requires of the utility model.
In order to make those skilled in the art more fully understand technical solutions of the utility model, below in conjunction with attached drawing, to this
Technical solution in utility model embodiment is clearly and completely described.
Fig. 1 is a kind of Laser Control System schematic diagram provided by the embodiment of the utility model referring to FIG. 1-2, and Fig. 2 is
A kind of structural circuit figure of the control circuit of laser provided by the embodiment of the utility model.
Such as Fig. 1-2, a kind of control circuit 10 of laser is specifically included for controlling the light-emitting units 21 of laser 20:
Be integrated and connected port 11, synchronous generator 12 and power adjustment unit 13.The laser 20 includes light-emitting units 21
With power circuit 22.Be integrated and connected port 11 and the laser 20 electric connection.
The output end of the synchronous generator 12 passes through port 11 and the light-emitting units 21 company of being integrated and connected
It connects, be integrated and connected port 11 described in the output control signal warp of the synchronous generator 12, acts on the light-emitting units
21, to excitation laser beam.
The output end of the power circuit 22 passes through port 11 and the synchronous generator 12 of being integrated and connected
Input terminal connection is supported for providing power supply for the synchronous generator 12.
In the present embodiment, referring to fig. 2, the port 11 that is integrated and connected is specially the connectivity port DB25 of 25 needles.It is described
Power circuit 22 is connect by the connection terminal 15 in the connectivity port DB25 with the input terminal of the synchronous generator 12, institute
The output end for stating synchronous generator 12 is connect by the connection terminal 20 in the connectivity port DB25 with the light-emitting units 21
(refering to fig. 1).
The synchronous generator 12 includes voltage regulator circuit, hysteresis comparator and oscillating circuit, the voltage regulator circuit packet
Include voltage-stablizer U3.Optionally, the voltage-stablizer U3 is REF3025 electronic component, input terminal voltage 5V, output end of pressure-stabilizing
Voltage is 2.5V.REF3025 electronic component provides reference voltage source as source of stable pressure, for the synchronous generator 12, has
Have an output off current HIGH, output voltage stabilization, precision is high, it is small in size the advantages that.
Further, be connected with the first filter circuit in the input terminal of the voltage-stablizer U3, first filter circuit by
Capacitor C1, capacitor C2 parallel connection are configured to filter circuit, to the ac component in filtering circuit, to guarantee to provide ideal operation
Voltage.Similarly, the output end of the voltage-stablizer U3 is connected with the second filter circuit, and the second filtered electrical routing capacitance C3 is constituted
Filter circuit, to the ac component in filtering circuit, to guarantee to provide desired operating voltage.
Continuing with reference to Fig. 2, oscillating circuit is RC oscillating circuit.The output end of the voltage-stablizer U3 is by resistance R6 and late
The non-inverting input terminal of stagnant comparator U2B connects, and the output end of the hysteresis comparator U2B is connected to by resistance R8, described
The output end of hysteresis comparator U2B is connected to the RC oscillating circuit.Oscillation resistance R7 and oscillation in the RC oscillating circuit
Capacitor C series connection, to constitute oscillating circuit, wherein oscillating capacitance C is made of capacitor C4, capacitor C5, capacitor C6, capacitor C7 parallel connection.
The inverting input terminal of the hysteresis comparator U2B is connect with the RC oscillating circuit, the RC oscillating circuit self-excitation
It vibrates and oscillator signal compares with the reference voltage of the non-inverting input terminal of the hysteresis comparator U2B, so that the sluggishness
The output end of comparator U2B can export synchronization signal.
In the present embodiment, the reference voltage of the non-inverting input terminal of the hysteresis comparator U2B is the voltage-stablizer U3's
Output end voltage.
By the frequency of oscillation formula of RC oscillating circuit: f=1/2 π RC, it is known that, RC frequency of oscillation is by oscillating capacitance C and oscillation
Resistance R is determined.Therefore, in the present embodiment, further, the oscillating capacitance C of the RC oscillating circuit is tunable capacitor, is passed through
The capacitance size for adjusting oscillating capacitance C, to change the oscillation signal frequency in the RC oscillating circuit.Further,
The oscillating capacitance C of the RC oscillating circuit is tunable capacitor, and oscillation resistance R is the resistance of fixed resistance value.Certainly, according to need
It wants, the oscillating capacitance C in the RC oscillating circuit is tunable capacitor and/or oscillation resistance R is adjustable resistance.
Oscillating capacitance C in the embodiment of the present invention RC oscillating circuit is tunable capacitor, and oscillation resistance R is fixed resistance value
Resistance the capacitance of oscillating capacitance C can be adjusted as needed, to control the RC oscillating circuit in practical applications
Frequency of oscillation, to influence the synchronous signal frequency that the synchronous generator 12 exports, frequency is easy to adjust controllable.
In another embodiment, the oscillating circuit can be RLC oscillating circuit or LC oscillating circuit, can generate oscillation
Signal.
The light-emitting units 21 are flowed through by the synchronization signal that the hysteresis comparator U2B output end exports, it is sharp to excite
Light beam, wherein the light-emitting units 21 are laser semiconductor pipe, to excitation laser beam.The hysteresis comparator U2B is described
Important component in synchronous generator 12 cooperates with the RC oscillating circuit, inside the laser 20
Power circuit 22 is powered as out-put supply, with high speed amplifier chip (such as described hysteresis comparator U2B), by described
The charge and discharge process of oscillating capacitance C in RC oscillating circuit, self-oscillation generate institute's oscillator signal, to guarantee the sluggish ratio
Required synchronization signal can be generated compared with device U2B.
Continuing with reference to Fig. 1-2, in the present embodiment, the power adjustment unit 13 passes through the port 11 that is integrated and connected
It is connect with the light-emitting units 21, for regulating and controlling the output power of the light-emitting units 21.Specifically, the power adjustment unit
13 include first switch controller 131, and power regulation is divided at least two gear ranges by the first switch controller 131,
To respectively correspond 0%-100% power selection.
In the present embodiment, the output end of the power circuit 22 is connect with the input terminal of the power adjustment unit 13,
The output end of the power adjustment unit 13 is connected by the port 11 that is integrated and connected with the laser 20.
Optionally, the first switch controller 131 is 8 toggle switch controllers (such as Fig. 2), 8 toggle switch
Controller has 28A gear range, and the 0%-100% power selection in the power adjustment unit 13 is corresponded to respectively.
8 toggle switch controllers have multiple combinations mode, specifically, have 28Kind combination, to correspond respectively to 0%-100%
Power.
Further, the control circuit 10 further includes second switch controller 14.The second switch controller 14 with
The first switch controller 131 is connected in circuit, to cooperate the power tune for adjusting and controlling in the power adjustment unit 13
Control.In the present embodiment, the second switch controller 14 is 4 toggle switch controllers (such as Fig. 2).
Wherein, referring to fig. 2, the second switch controller 14 includes level-one control switch MO, Two-stage control switch
Booster and latch control switch DB_latch.The level-one control switch MO is solid to control the transmitting of light-emitting units 21
Determine power laser beam, corresponds to 100% power in the power adjustment unit 13.The Two-stage control switch Booster
Combine with the latch control switch DB_latch, to cooperate the first switch controller 131 to regulate and control the power regulation
Power regulation in unit 13: when the Two-stage control switch Booster is in the open state, the first switch controller
131 regulate and control the power in the power adjustment units 13, and trigger the latch control switch DB_latch, then the light list out
The laser beam of the 21 corresponding power of transmitting of member.
Optionally, the second switch controller 14 further includes other functional switch, for example, in the laser 20
The control switch RSV of the radiator fan in portion.
In the present embodiment, the work shape by the way of the combination of a variety of switch controllers, to combined regulating laser
State adjusts control diversification to realize multiple functions.
It further, in the present embodiment, further include police instruction circuit 15, the alarm in the control circuit 10
Indicating circuit 15 is connected on the laser 20 by the port 11 that is integrated and connected, for showing the work of the laser 20
Make state.For example, it is normal, 20 system of laser that the police instruction circuit 15, which can be used for showing that the laser 20 issues laser,
Whether internal temperature of uniting is normal.
The port 11 that is integrated and connected of technical solutions of the utility model is by the control circuit 10 and the laser 20
It is electrically connected, the synchronous generator 12 and power tune by Laser Control System modularization, in the control circuit 10
Section unit 13 can act on the light-emitting units 21 in the laser 20, to carry out Laser emission, realize convenient, flexible sharp
Light device bakes machine test.The control circuit 10 has many advantages, such as easy, small-sized, easy to use and flexible.
Optionally, the port 11 that is integrated and connected is integrated pluggable port, summarize various power selection signals with
And laser switch signal.The control circuit 10 can be plugged in the laser 20 by the port 11 that is integrated and connected.
In addition, the control circuit 10 can gather more auxiliary function circuits, scalability is strong.Further, described
Be integrated and connected port 11 may be configured as it is unified connect bore, with have can universal switching performance.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (10)
1. a kind of control circuit of laser, for controlling the light-emitting units of laser characterized by comprising synchronization signal
Generator, power adjustment unit and the port that is integrated and connected；
The output end of the synchronous generator is connect by the port that is integrated and connected with the light-emitting units, to excite
Laser beam；
The output end of the power adjustment unit is connect by the port that is integrated and connected with the light-emitting units, for adjusting control
Make the output power of the light-emitting units.
2. a kind of control circuit of laser according to claim 1, which is characterized in that the laser further includes power supply
Circuit, and the output end of the power circuit passes through the input terminal company of be integrated and connected port and the synchronous generator
It connects, is supported for providing power supply for the synchronous generator.
3. a kind of control circuit of laser according to claim 1 or 2, which is characterized in that the synchronization signal occurs
Device includes voltage regulator circuit, hysteresis comparator and oscillating circuit；
The output end of the voltage regulator circuit is connect with the non-inverting input terminal of the hysteresis comparator；
The inverting input terminal of the hysteresis comparator is connect with the oscillating circuit, and the output end of the hysteresis comparator passes through institute
The port that is integrated and connected is stated to connect with the light-emitting units.
4. a kind of control circuit of laser according to claim 3, which is characterized in that the oscillating circuit is RC oscillation
Circuit, LC oscillating circuit or RLC oscillating circuit.
5. a kind of control circuit of laser according to claim 4, which is characterized in that when the oscillating circuit is RC vibration
When swinging circuit, the oscillating capacitance C of the RC oscillating circuit is tunable capacitor and/or oscillation resistance R is adjustable resistance.
6. a kind of control circuit of laser according to claim 3, which is characterized in that the voltage regulator circuit includes pressure stabilizing
Device；The input terminal of the voltage-stablizer is connected with the first filter circuit, to filter the ac component in inlet circuit；It is described
The output end of voltage-stablizer is connect with the non-inverting input terminal of the hysteresis comparator, and is connected with the second filter circuit, to filter
Ac component in circuit of output terminal.
7. a kind of control circuit of laser according to claim 1 or 2, which is characterized in that the power adjustment unit
Including first switch controller；Power regulation is divided at least two gear ranges by the first switch controller.
8. a kind of control circuit of laser according to claim 7, which is characterized in that the control circuit further includes second
Switch controller；The second switch controller is connect with the first switch controller, is adjusted with cooperation and is controlled the power
Adjust the power regulation in unit；
Wherein, the second switch controller includes level-one control switch, Two-stage control switch and latches control switch；Described one
Grade control switch is to control the light-emitting units transmitting constant power laser beam；
The Two-stage control switch is combined with the latch control switch, to cooperate described in the first switch controller regulation
Power regulation in power adjustment unit: when the Two-stage control switchs in the open state, the first switch controller tune
The power in the power adjustment unit is controlled, and triggers the latch control switch, so that light-emitting units described in combined regulating are sent out
Penetrate the laser beam of corresponding power.
9. a kind of control circuit of laser according to claim 1 or 2, which is characterized in that the port that is integrated and connected
For integrated pluggable port.
10. a kind of control circuit of laser according to claim 1 or 2, which is characterized in that the control circuit is also wrapped
Include police instruction circuit；The police instruction circuit is connected on the laser by the port that is integrated and connected, for showing
The working condition of the laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821543391.1U CN209104568U (en) | 2018-09-20 | 2018-09-20 | A kind of control circuit of laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821543391.1U CN209104568U (en) | 2018-09-20 | 2018-09-20 | A kind of control circuit of laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209104568U true CN209104568U (en) | 2019-07-12 |
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ID=67153105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821543391.1U Active CN209104568U (en) | 2018-09-20 | 2018-09-20 | A kind of control circuit of laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209104568U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117250429A (en) * | 2023-11-20 | 2023-12-19 | 武汉锐科光纤激光技术股份有限公司 | Test circuit of laser |
-
2018
- 2018-09-20 CN CN201821543391.1U patent/CN209104568U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117250429A (en) * | 2023-11-20 | 2023-12-19 | 武汉锐科光纤激光技术股份有限公司 | Test circuit of laser |
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