CN208723304U - Air-cooled laser equipment - Google Patents
Air-cooled laser equipment Download PDFInfo
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- CN208723304U CN208723304U CN201821321478.4U CN201821321478U CN208723304U CN 208723304 U CN208723304 U CN 208723304U CN 201821321478 U CN201821321478 U CN 201821321478U CN 208723304 U CN208723304 U CN 208723304U
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Abstract
A kind of air-cooled laser equipment, the radiator including laser generator and connection laser generator；Laser generator includes shell, the light path mechanism of setting in the shell；Shell includes bottom plate, the inside of light path mechanism connecting bottom board；Radiator includes graphite flake, the transition plates of connection graphite flake, the cooling fin of connection transition plates and the radiator fan for connecting cooling fin on the outside of connecting bottom board；Graphite flake is between bottom plate and transition plates；Graphite flake is corresponding with the lateral surface of bottom plate；Temperature detecting element is thermistor；Temperature detecting element is arranged on the light path mechanism.Graphite flake is connected by the outside of bottom plate, heat caused by optical path component is transmitted on graphite flake through bottom plate, since thermal coefficient is larger in graphite flake transverse direction face, the temperature of different parts is able to maintain close on graphite flake, to accelerate the heat dissipation at the higher position of temperature on bottom plate, temperature in laser generator is enabled to keep in balance, and structure is simple, without carrying out the arrangement of water channel.
Description
Technical field
The utility model relates to laser equipment temperature control technologies, more particularly to a kind of air-cooled laser equipment.
Background technique
Laser is one of the great utility model in modern science technology, wherein Solid State Laser is widely used in industry, doctor
The fields such as treatment, military project, scientific research；The solid state laser of energy steady running is obtained, it is significant.In the end pumping of middle low power
In solid state laser, the especially laser that does process of frequency multiplication such as green light, ultraviolet, since optics cavity interior resonance chamber relies on knot
Structure, laser crystal, Q crystal need to radiate, if not using certain heat treatment to laser head, structure of expanding with heat and contract with cold, which can change, to be led
Resonator imbalance is caused, laser crystal, Q crystal are heated to will also result in greatly very much device failure；Based on this, it is necessary to laser head part
Carry out temperature control processing, laser head maintains a stationary temperature constant when optimal state, it is too high or too low all can be to laser
Device causes adverse effect, and different temperatures value laser output power can difference will certainly if laser head temperature fluctuation
Influence the unstable of application effect；The temperature of best constant laser head, just can guarantee the work of laser continuous and effective.And right
When laser head carries out the temperature control of precise equalization, traditional scheme generally uses the form of water cooling；And water cooling temperature control needs to buy cold water
Machine, and laser base board setting water channel be bonded laser head fever side, while refresh the water periodically with guarantee water channel cleaning and it is cold
But effect；But leading to laser equipment using water cooling unit, structure is complicated, has some limitations in actual application.
Utility model content
Based on this, it is necessary to provide one kind and be able to achieve accurate temperature controller and air-cooled laser equipment.
A kind of air-cooled laser equipment, the radiator including laser generator and the connection laser generator；Institute
Stating laser generator includes shell, the light path mechanism of setting in the housing；The shell includes bottom plate, the optical path machine
The inside of structure connecting bottom board；The radiator includes the mistake of the graphite flake for connecting the plate outer side, the connection graphite flake
The radiator fan of cab apron, the cooling fin of the connection transition plates and the connection cooling fin；The graphite flake is in the bottom plate
Between the transition plates；The graphite flake is corresponding with the lateral surface of the bottom plate.
Above-mentioned air-cooled laser equipment connects graphite flake by the outside of bottom plate, and heat caused by optical path component is through bottom plate
It is transmitted on graphite flake, since thermal coefficient is larger in graphite flake transverse direction face, the temperature of different parts, which is able to maintain, on graphite flake is connect
Closely, to accelerate the heat dissipation at the higher position of temperature on bottom plate, temperature in laser generator is enabled to keep in balance, and structure letter
It is single, without carrying out the arrangement of water channel.
It in one of the embodiments, further include control circuit；The control circuit is equipped with the first current output terminal, second
Current output terminal；The laser generator further includes temperature detecting element；The temperature detecting element generates the laser
The temperature of device is detected；The control circuit obtains the temperature of the laser generator by the temperature detecting element
State；The radiator further includes semiconductor chilling plate, and the semiconductor chilling plate is equipped with the first contact surface, the second contact
Face；The semiconductor chilling plate is additionally provided with the first power connector end, second source connecting pin；The semiconductor chilling plate setting exists
Between the transition plates and the cooling fin, the first contact surface connection transition plates of the semiconductor chilling plate, described half
Second contact surface of conductor cooling piece connects the cooling fin；The first current output terminal connection of the control circuit is described partly to be led
First power connector end of body cooling piece；Second current output terminal of the control circuit connects the of the semiconductor chilling plate
Two power connector ends；The control circuit is adjusted according to the input signal of the temperature detecting element to the semiconductor refrigerating
The current direction of piece input.
The temperature detecting element is thermistor in one of the embodiments,.
The temperature detecting element is arranged on the light path mechanism in one of the embodiments,.
The temperature detecting element is arranged on the housing in one of the embodiments,.
It in one of the embodiments, further include shield, the radiator fan is accommodated in the shield.
The light path mechanism includes the fiber bench being arranged on the bottom plate, is arranged in institute in one of the embodiments,
State the microscope base on bottom plate, the laser crystal component that is arranged on the bottom plate, the adjusting Q crystal component being arranged on the bottom plate,
And the frequency-doubling crystal component on the bottom plate is set.
The side of the cooling fin is fitting plane in one of the embodiments, and the other side of the cooling fin is scattered
The fitting plane of the hot flank of tooth, the cooling fin connects the transition plates, the heat dissipation flank of tooth of the radiator fan and the cooling fin
Connection.
The shell further includes connecting the side wall of the bottom plate and being mounted on the side wall in one of the embodiments,
On cover.
Laser generator further includes the mirror holder for connecting side wall in one of the embodiments, and the mirror holder includes annulus
The baffle portion of portion and the connection annular portion；The annular portion is equipped with the first mounting hole；The baffle portion is equipped with light passing
Hole.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of the air-cooled laser equipment of a preferred embodiment of the utility model；
Fig. 2 is the decomposition diagram of air-cooled laser equipment shown in FIG. 1；
Fig. 3 is the decomposition diagram of air-cooled laser equipment shown in FIG. 1；
Fig. 4 is the structural schematic diagram of control circuit；
Fig. 5 is the circuit diagram of the adjustment module in Fig. 4；
Fig. 6 is the partial schematic diagram of laser generator shown in FIG. 1；
Fig. 7 A is the stereoscopic schematic diagram of mirror holder；
Fig. 7 B is stereoscopic schematic diagram of the mirror holder in another angle.
Specific embodiment
The utility model will be described more fully below for the ease of understanding the utility model,.But this is practical
It is novel to realize in many different forms, however it is not limited to embodiment described herein.On the contrary, providing these implementations
The purpose of example is to make the understanding of the disclosure of the utility model more thorough and comprehensive.
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.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Fig. 1 to Fig. 7 B is please referred to, is the air-cooled laser equipment 100 of one better embodiment of the utility model, for exporting
Laser beam.The air-cooled laser equipment 100 includes laser generator 20 and the radiator for connecting laser generator 20
30；Laser generator 20 includes shell 21, the light path mechanism 22 being arranged in shell 21；Shell 21 includes bottom plate 210, optical path
The inside of 22 connecting bottom board 210 of mechanism；Radiator 30 includes the graphite flake 31 in 210 outside of connecting bottom board, connection graphite flake 31
Transition plates 32, connect transition plates 32 cooling fin 33 and connect cooling fin 33 radiator fan 34；Graphite flake 31 is in bottom plate
Between 210 and transition plates 32；Graphite flake 31 is corresponding with the lateral surface of bottom plate 210.
Graphite flake 31 is connected by the outside of bottom plate 210, heat caused by light path mechanism 22 is transmitted to through bottom plate 210
On graphite flake 31, since thermal coefficient is larger in the lateral face of graphite flake 31, the temperature of different parts, which is able to maintain, on graphite flake 31 is connect
Closely, to accelerate the heat dissipation at the higher position of temperature on bottom plate 210, temperature in laser generator 20 is enabled to keep in balance, and tied
Structure is simple, without carrying out the arrangement of water channel.
Referring to Fig. 4, be the state of temperature different according to laser generator 20 in a wherein embodiment, and
Cooling or heating function are provided to laser generator 20, it is ensured that the temperature of laser generator 20 can protect in different environments
Consistent temperature is held, so that laser power and other laser performance parameters keep stablizing, air-cooled laser equipment 100 further includes control
Circuit 40；Control circuit 40 is equipped with the first current output terminal, the second current output terminal；Laser generator 20 further includes temperature inspection
Survey element 23；Temperature detecting element 23 detects the temperature of laser generator 20；Control circuit 40 passes through temperature detection
The state of temperature of the acquisition laser generator 20 of element 23；Radiator 30 further includes semiconductor chilling plate 35, semiconductor refrigerating
Piece 35 is equipped with the first contact surface, the second contact surface；Semiconductor chilling plate 35 is additionally provided with the first power connector end, second source connection
End；Semiconductor chilling plate 35 is arranged between transition plates 32 and cooling fin 33, and the first contact surface of semiconductor chilling plate 35 connects
Second contact surface of transition plates 32, semiconductor chilling plate 35 connects cooling fin 33；First current output terminal of control circuit 40 connects
Connect the first power connector end of semiconductor chilling plate 35；Second current output terminal of control circuit 40 connects semiconductor chilling plate 35
Second source connecting pin；Control circuit 40 is adjusted according to the input signal of temperature detecting element 23 to semiconductor chilling plate 35
The current direction of input.
Specifically, the input signal of temperature detecting element 23 is compared by control circuit 40 with predetermined reference value, is made a reservation for
Reference value is corresponding with the predetermined work temperature of laser generator 20, makes a reservation for when the operating temperature of laser generator 20 is higher than
When operating temperature, control circuit 40 adjusts semiconductor chilling plate 35 according to the relationship between input signal and predetermined reference value
Electric current inflow direction, so that the heat of the first contact surface is flowed to the second contact surface, i.e., the heat on graphite flake 31 is successively through transition
Plate 32, semiconductor chilling plate 35 are transmitted on cooling fin 33, then by the flowing of gas caused by radiator fan 34, take away heat dissipation
Heat on piece 33 enables the operating temperature of laser generator 20 decline to predetermined work temperature；When laser generator 20
When operating temperature is lower than predetermined work temperature, control circuit 40 is adjusted according to the relationship between input signal and predetermined reference value
The electric current inflow direction of whole semiconductor chilling plate 35 makes the heat of the second contact surface flow to the first contact surface, i.e., on cooling fin 33
Heat be successively transmitted on graphite flake 31 through semiconductor chilling plate 35, transition plates 32, then by graphite flake 31 equably to swash
Light generating device 20 generates heat, and temperature is lower than environment temperature to cooling fin 33 due to heat flows out, and is produced by radiator fan 34
Raw gas flowing enables the gas of process to 33 additional heat of cooling fin, enables the operating temperature of laser generator 20 to predetermined
Operating temperature rises.
Referring to Fig. 5, temperature detecting element 23 is thermistor RT in a wherein embodiment；In other implementations
In mode, temperature detecting element 23 can also be thermocouple.
In a wherein embodiment, to adjust semiconductor chilling plate according to the detection signal of temperature detecting element 23
35 current direction, control circuit 40 include main control module 41 and the adjustment module for connecting main control module 41；Main control module 41 connects
The input signal of shrinkage temperature detecting element 23, main control module 41 are adjusted the working condition of tuning module 42；Tuning module
The current flowing direction of 42 pairs of semiconductor chilling plates 35 controls.
Specifically, main control module 41 is equipped with the first driving end and the second driving end；Main control module 41 includes resistance R1, resistance
R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, voltage-stabiliser tube D1, triode Q1, triode Q2, compare
Device U1 and comparator U2；The non-inverting input terminal of comparator U1 connects temperature detecting element 23, and the non-inverting input terminal of comparator U1 is also
Pass through resistance R1 connection power supply；Resistance R2, the reverse phase of comparator U1 are connected between the inverting input terminal and reference ground of comparator U1
Resistance R3 is connected between input terminal and output end；The non-inverting input terminal of the output end connection comparator U2 of comparator U1；Compare
The inverting input terminal of device U2 is also connected with the cathode of voltage-stabiliser tube D1 by resistance R4 connection power supply, the inverting input terminal of comparator U2,
The anode connection of voltage-stabiliser tube D1 is with reference to ground；The control terminal of the output end connecting triode Q1 of comparator U2, the output of comparator U2
Resistance R5 is connected between end and the first driving end；The first driving of input terminal connection end of triode Q1, the first driving end also passes through
Resistance R6 connection power supply；Resistance R7 is connected between the control terminal of triode Q2 and the first driving end；The input terminal of triode Q2 connects
Second driving end, the input terminal of triode Q2 also pass through resistance R8 connection power supply；The output end of triode Q1 and triode Q2's
Output end ground connection.
Tuning module 42 includes triode Q3, triode Q4, triode Q5 and triode Q6；Triode Q3 and triode
The input terminal of Q5 connects power supply, and the output end connection of triode Q4 and triode Q6 are with reference to ground；Triode Q3 output end connection three
The input terminal of pole pipe Q6；The input terminal of triode Q5 output end connecting triode Q4；The control terminal of triode Q3 and triode Q4
Connect the first driving end of main control module 41；The control terminal of triode Q5 and triode Q6 connect the second driving of main control module 41
End.
In the process of running, comparator U1 amplifies the input signal of temperature detecting element 23, comparator U2 comparison
Output valve compared with device U1 is compared with scheduled voltage, and according to comparison result, triode Q1 is led with triode Q2 alternative one
It is logical, enable the first driving end or the second driving end generate driving signal.
In the present embodiment, temperature detecting element 23 is positive temperature coefficient, when the operating temperature of laser generator 20
When higher than predetermined work temperature, the first driving end generates driving signal, triode Q3 and triode Q4 conducting, enables electric current from the
One power connector end flows into semiconductor chilling plate 35, is corresponding to it, the heat of the first contact surface flows to the second contact surface, makes graphite
Heat on piece 31 is successively transmitted on cooling fin 33 through transition plates 32, semiconductor chilling plate 35；When laser generator 20
When operating temperature is lower than predetermined work temperature, the second driving end generates driving signal, triode Q5 and triode Q6 conducting, enables electricity
Stream flows into semiconductor chilling plate 35 from second source connecting pin, is corresponding to it, the heat on cooling fin 33 is successively through semiconductor system
Cold 35, transition plates 32 is transmitted on graphite flake 31.
In a wherein embodiment, for the temperature for detecting laser generator 20, the setting of temperature detecting element 23 exists
On light path mechanism 22；In other embodiments, temperature detecting element 23 can also be arranged on shell 21, on graphite flake 31,
Or in transition plates 32.
Referring to Fig. 2, in a wherein embodiment, it is air-cooled to swash to avoid the rotation of radiator fan 34 from being affected
Light device 100 further includes shield 50, and radiator fan 34 is accommodated in shield 50, and in the present embodiment, shield 50 connects transition
Plate 32, in other embodiments, shield 50 are connect with shell 21.
Please refer to figure, 6, in a wherein embodiment, to export laser beam, light path mechanism 22 includes being arranged the bottom of at
Fiber bench 221 on plate 210, the microscope base 222 being arranged on bottom plate 210, the laser crystal component being arranged on bottom plate 210
223, the adjusting Q crystal component 224 being arranged on bottom plate 210 and the frequency-doubling crystal component 225 being arranged on bottom plate 210；It is external
Optical fiber end is fixed in fiber bench 221, passes through laser crystal component 223, adjusting Q crystal component 224 and frequency-doubling crystal component
225 adjustment, to generate laser beam needed for output.In the present embodiment, to detect laser generator 20
Internal temperature, temperature detecting element 23 are arranged on microscope base 222.
In a wherein embodiment, to guarantee heat dissipation effect, the side of cooling fin 33 is fitting plane, cooling fin 33
The other side be the heat dissipation flank of tooth, the fitting plane of cooling fin 33 connects transition plates 32, the heat dissipation of radiator fan 34 and cooling fin 33
Flank of tooth connection；Preferably, radiation tooth is fine copper material.
In a wherein embodiment, shell 21 further includes the side wall 211 of connecting bottom board 210 and is mounted on side wall 211
On cover 212.
Fig. 6 to Fig. 7 B is please referred to, in a wherein embodiment, (figure is not for convenience of beam expanding lens is installed on shell 21
Show), laser generator 20 further includes the mirror holder 24 for connecting side wall 211, and mirror holder 24 includes annular portion 241 and connection annular portion
241 baffle portion 242；Annular portion 241 is equipped with the first mounting hole 243；Baffle portion 242 is equipped with light hole 244, light hole
244 is corresponding with the hot spot of laser beam, and the inside of annular portion 241 is equipped with internal screw thread；Annular portion 241 passes through the first mounting hole 243
And connector is mounted on the side wall 211 of shell 21；Beam expanding lens is connect with the inside thread of annular portion 241；Specifically, beam expanding lens
Optical axis it is corresponding with light hole 244, by enable laser beam pass through light hole 244, be installed on mirror holder by beam expanding lens
Realize optical axis of the laser beam by beam expanding lens.
Specifically, shell 21 is equipped with delivery outlet, and when air-cooled laser equipment 100 is run, light path mechanism 22 is run, and generates
Corresponding laser beam, laser beam project shell 21 from delivery outlet, and specifically, light hole 244 is corresponding with delivery outlet；Optical path machine
Structure 22 in the process of running, due to absorbing the energy of laser beam, enables the temperature of laser generator 20 rise, members
Stronger to the absorption of laser beam energy, temperature rise is larger, and different location in shell 21 is caused to pass through stone there are the larger temperature difference
The heat dissipation at the higher position of temperature on bottom plate 210 is accelerated in fitting of the ink sheet 31 to bottom plate 210, enables warm in laser generator 20
Degree is kept in balance；Specifically, transition plates 32 is aluminum.
In the present embodiment, graphite flake is connected by the outside of bottom plate, heat caused by optical path component is transmitted to through bottom plate
On graphite flake, since thermal coefficient is larger in graphite flake transverse direction face, the temperature of different parts is able to maintain close on graphite flake, thus
Accelerate bottom plate on the higher position of temperature heat dissipation, enable temperature in laser generator keep in balance, and structure is simple, without into
The arrangement of row water channel.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of air-cooled laser equipment, which is characterized in that including laser generator and connect dissipating for the laser generator
Thermal；The laser generator includes shell, the light path mechanism of setting in the housing；The shell includes bottom plate,
The inside of the light path mechanism connecting bottom board；The radiator includes the graphite flake for connecting the plate outer side, described in connection
The radiator fan of the transition plates of graphite flake, the cooling fin of the connection transition plates and the connection cooling fin；At the graphite flake
Between the bottom plate and the transition plates；The graphite flake is corresponding with the lateral surface of the bottom plate.
2. air-cooled laser equipment according to claim 1, which is characterized in that further include control circuit；The control circuit
Equipped with the first current output terminal, the second current output terminal；The laser generator further includes temperature detecting element；The temperature
Detecting element detects the temperature of the laser generator；The control circuit is obtained by the temperature detecting element
The state of temperature of the laser generator；The radiator further includes semiconductor chilling plate, and the semiconductor chilling plate is set
There are the first contact surface, the second contact surface；The semiconductor chilling plate is additionally provided with the first power connector end, second source connecting pin；
The semiconductor chilling plate is arranged between the transition plates and the cooling fin, the first contact surface of the semiconductor chilling plate
The transition plates is connected, the second contact surface of the semiconductor chilling plate connects the cooling fin；The first of the control circuit
Current output terminal connects the first power connector end of the semiconductor chilling plate；Second current output terminal of the control circuit connects
Connect the second source connecting pin of the semiconductor chilling plate；The control circuit is according to the input signal of the temperature detecting element
And adjust the current direction inputted to the semiconductor chilling plate.
3. air-cooled laser equipment according to claim 2, which is characterized in that the temperature detecting element is thermistor.
4. air-cooled laser equipment according to claim 3, which is characterized in that the temperature detecting element is arranged in the light
In the mechanism of road.
5. air-cooled laser equipment according to claim 3, which is characterized in that the temperature detecting element setting is described outer
On shell.
6. air-cooled laser equipment according to claim 1, which is characterized in that it further include shield, the radiator fan accommodating
In the shield.
7. air-cooled laser equipment according to claim 1, which is characterized in that the light path mechanism includes being arranged at the bottom
Fiber bench on plate, the laser crystal component being arranged on the bottom plate, is arranged described the microscope base being arranged on the bottom plate
Adjusting Q crystal component on bottom plate and the frequency-doubling crystal component being arranged on the bottom plate.
8. air-cooled laser equipment according to claim 1, which is characterized in that the side of the cooling fin is fitting plane,
The other side of the cooling fin is the heat dissipation flank of tooth, and the fitting plane of the cooling fin connects the transition plates, the radiator fan
It is connect with the heat dissipation flank of tooth of the cooling fin.
9. air-cooled laser equipment according to claim 1, which is characterized in that the shell further includes connecting the bottom plate
Side wall and the cover being mounted on the side wall.
10. air-cooled laser equipment according to claim 9, which is characterized in that laser generator further includes connection side wall
Mirror holder, the mirror holder includes the baffle portion of annular portion and the connection annular portion；The annular portion is equipped with the first installation
Hole；The baffle portion is equipped with light hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821321478.4U CN208723304U (en) | 2018-08-15 | 2018-08-15 | Air-cooled laser equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821321478.4U CN208723304U (en) | 2018-08-15 | 2018-08-15 | Air-cooled laser equipment |
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| Publication Number | Publication Date |
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| CN208723304U true CN208723304U (en) | 2019-04-09 |
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ID=65978027
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821321478.4U Active CN208723304U (en) | 2018-08-15 | 2018-08-15 | Air-cooled laser equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963731A (en) * | 2018-08-15 | 2018-12-07 | 深圳市杰普特光电股份有限公司 | Air-cooled laser equipment |
| CN110544862A (en) * | 2019-08-21 | 2019-12-06 | 大族激光科技产业集团股份有限公司 | air-cooled fiber laser system and method capable of automatically adjusting temperature |
-
2018
- 2018-08-15 CN CN201821321478.4U patent/CN208723304U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963731A (en) * | 2018-08-15 | 2018-12-07 | 深圳市杰普特光电股份有限公司 | Air-cooled laser equipment |
| CN108963731B (en) * | 2018-08-15 | 2024-08-16 | 深圳市杰普特光电股份有限公司 | Air-cooled laser equipment |
| CN110544862A (en) * | 2019-08-21 | 2019-12-06 | 大族激光科技产业集团股份有限公司 | air-cooled fiber laser system and method capable of automatically adjusting temperature |
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