CN108225551A - Device for testing power based on laser module single in laser projection - Google Patents
Device for testing power based on laser module single in laser projection Download PDFInfo
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- CN108225551A CN108225551A CN201611142309.XA CN201611142309A CN108225551A CN 108225551 A CN108225551 A CN 108225551A CN 201611142309 A CN201611142309 A CN 201611142309A CN 108225551 A CN108225551 A CN 108225551A
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- 238000012360 testing method Methods 0.000 title claims abstract description 74
- 230000033001 locomotion Effects 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims description 19
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 8
- 230000007306 turnover Effects 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000000605 extraction Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000960 laser cooling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0207—Details of measuring devices
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The invention discloses a kind of device for testing power based on laser module single in laser projection, including power measuring and laser module, power measuring and laser module being capable of relative motions, power measuring and laser module direction of relative movement are defined as Y direction, the horizontal direction that will be perpendicular to Y-axis is defined as X-direction, and the vertical direction perpendicular to Y-axis is defined as Z-direction, wherein, power measuring can be moved along Y-axis, and laser module can be moved along X-axis and Z axis.The apparatus structure is simple, can effectively solve the problems, such as laser module power test, and structure adjusts positioning convenient for laser beam.The alignment point of laser is adjusted by the free movement in X, Y, Z axis direction, can quickly adjust laser goes out spot alignment laser testing instrument, improves and measures accuracy rate and working efficiency.
Description
Technical field
The invention belongs to laser projection frock clamp fields, and in particular to one kind is swashed based on single in laser projection
Light device module device for testing power.
Background technology
Laser power has the brightness decay of laser projection complete machine important influence, by undesirable laser power
For laser projection complete machine, the excessive brightness of complete machine brightness decay can be caused relatively low, very big influence is caused to quality, therefore,
Laser power test session is of crucial importance the quality of laser projection.
Laser power test platform is usually to pay laser lock to be fixed on radiator tablet, external mainboard, power supply
Deng progress laser power test, the test of power and hot spot transmitting shape can be effectively carried out.
Laser production is monopoly manufacturer in industry at present, and many downstream manufacturers are exempted from for laser in industry
Control is refused in inspection, moreover, laser power test equipment is of high cost in the prior art, uses process complexity, therefore, many downstreams
Client will not be detected laser power, if do not had during the client's use of downstream to laser raw material laser power
Have and carry out stringent control test, defective products would not be made to be used in complete machine, cause overall mass problem.
In conclusion it is badly in need of a kind of laser power test equipment in laser projection industry.
Invention content
The technical problems to be solved by the invention are：A kind of work(based on laser module single in laser projection is provided
Rate test device solves the problems, such as that laser power test equipment is complicated in the prior art, test process is unsound.
The present invention uses following technical scheme to solve above-mentioned technical problem：
Based on the device for testing power of laser module single in laser projection, including power measuring and laser die
Group, power measuring and laser module can relative motion, power measuring and laser module direction of relative movement are determined
Justice is Y direction, and the horizontal direction that will be perpendicular to Y-axis is defined as X-direction, and the vertical direction perpendicular to Y-axis is defined as Z axis side
To, wherein, power measuring can be moved along Y-axis, and laser module can be moved along X-axis and Z axis.
Laser module includes laser stent, radiator, X-direction adjusting knob, Z-direction adjusting knob, laser branch
Laser, radiator are installed, the both sides of laser are symmetrical arranged radiator, X-direction adjusting knob control laser stent on frame
It moves in the X-axis direction, Z-direction adjusting knob control laser stent is moved along Z-direction.
Setting radiator fan and air duct protective cover outside radiator, for the heat of radiator to be oriented to determining direction.
Air duct protective cover is activity, can turn over and turn 90 degrees.
Air duct protective cover is inverted U-shaped structure.
Radiator block is further included, for limiting the installation site of radiator.
Laser module further includes the graduated scale of fixed installation, is used to indicate the displacement of laser stent.
Power test babinet is further included, power measuring and laser module are installed on the two of power test babinet upper surface
End, power measuring are fixed on by support base on power test babinet, and power test babinet upper surface is set along Y direction
Guide rail, support base can move in guide rail along Y direction.
Controller is further included, for power measuring to be controlled to be moved along Y-axis, laser module is moved along X-axis and Z axis.
Compared with prior art, the invention has the advantages that：
1st, the alignment point of laser is adjusted in the free movement in X, Y, Z axis direction by device for testing power, it can be quick
Adjust laser goes out spot alignment laser testing instrument, improves and measures accuracy rate and working efficiency.
2nd, adjusting support base makes power measuring be moved along Y-axis, makes laser module along X-axis and Z by adjusting knob
Axis moves, and increases the precision of adjusting, the offset problem that the multi-direction movement of same equipment is avoided to bring.
3rd, setting air duct protective cover outside radiator so that the heat distributed can shed according to fixed direction, avoid
Other component is impacted, efficiently solves heat dissipation problem.
4th, by the way of graduated scale, the displacement of writing laser module targetedly carries out laser module
It adjusts, blindly adjusting is avoided to waste time.
5th, on the one hand on the other hand control module can be placed in by power test babinet at power measuring and laser module
Box house enhances the safety of electrical control.
6th, controller is increased, can automatically adjust and obtain the power of laser, improve intelligence degree and test
Efficiency and accuracy rate.
7th, it is simple in structure, laser power test can be effectively solved, structure adjusts positioning convenient for laser beam.
Description of the drawings
Fig. 1 is the structure diagram of laser module device for testing power of the present invention.
Fig. 2 is the front view of laser module device for testing power of the present invention.
Fig. 3 is the side view of laser module device for testing power of the present invention.
Wherein, being identified as in figure：1- power measurings；2- support bases；3- power test babinets；4-X directions are adjusted
Knob；5- radiator blocks；6-Z directions adjusting knob；7- graduated scales；8- air ducts protective cover；9- radiators；10- lasers.
Specific embodiment
The structure and the course of work of the present invention are described further below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3 shows, the device for testing power based on laser module single in laser projection, including work(
Rate tester 1 and laser module, power measuring 1 and laser module can relative motion, by power measuring and laser
Device module direction of relative movement is defined as Y direction, and the horizontal direction that will be perpendicular to Y-axis is defined as X-direction, perpendicular to Y-axis
Vertical direction be defined as Z-direction, wherein, power measuring 1 can be moved along Y-axis, and laser module can be along X-axis and Z
Axis moves.
Laser module includes laser stent, radiator 9, X-direction adjusting knob 4, Z-direction adjusting knob 6, laser
Laser 10, radiator 9 are installed, the both sides of laser 10 are symmetrical arranged radiator 9, and the control of X-direction adjusting knob 4 swashs on stent
Light device stent moves in the X-axis direction, and Z-direction adjusting knob control laser stent is moved along Z-direction.
9 outside setting radiator fan of radiator and air duct protective cover 8, for the heat of radiator to be oriented to determining side
To.
Air duct protective cover 8 can opposite heat sink 9 for activity, can turn over and turn 90 degrees, be conveniently replaceable radiator fan.
Air duct protective cover 8 is inverted U-shaped structure.
Radiator block 5 is further included, for limiting the installation site of radiator 9.
Laser module further includes the graduated scale 7 of fixed installation, is used to indicate the displacement of laser stent.
Power test babinet 3 is further included, power measuring and laser module are installed on 3 upper surface of power test babinet
Both ends, power measuring 1 are fixed on by support base 2 on power test babinet 3, and 3 upper surface of power test babinet is along Y-axis side
To setting guide rail, support base 2 can move in guide rail along Y direction.
Controller is further included, for power measuring to be controlled to be moved along Y-axis, laser module is moved along X-axis and Z axis.
Specific embodiment one,
The embodiment introduces the concrete structure of device for testing power by using the mode adjusted manually,
Based on the device for testing power of laser module single in laser projection, including power measuring and laser die
Group, laser module include laser stent, radiator, X-direction adjusting knob, Z-direction adjusting knob, pacify on laser stent
Laser, radiator are filled, the both sides of laser are symmetrical arranged radiator, and power measuring and laser module are installed on power survey
It tries on babinet, positioned at the both ends of babinet upper surface, laser module is mounted on by laser stent on power test babinet, work(
Rate tester is fixed on by support base on power test babinet, and power test babinet upper surface sets guide rail along Y direction,
Support base can move in guide rail along Y direction, drive power measuring adjusting position in the Y direction.X-direction adjusts rotation
Button control laser stent moves in the X-axis direction, and Z-direction adjusting knob control laser stent is moved along Z-direction.Adjust electricity
Machine and other control circuits may be contained within the inside of power test babinet, in this way, safety on the one hand is increased, on the other hand,
Outside is other than necessary parts, and without extra wire rod etc., appearance is more neat and artistic.
Laser stent lower part is installed with graduated platform, which is fixedly mounted on power test babinet, laser
Device stent can be moved relative to the platform, and the displacement distance of laser stent can be effectively identified with graduated platform, profit
It can targetedly be adjusted with the method for science, avoid blindly adjusting, the ineffective problem brought using empirical value.
The air duct protective cover of setting inverted U-shaped structure outside radiator, the outside setting radiator block of radiator, for limiting
Determine the installation site of radiator.For the heat of radiator to be oriented to determining direction, air duct protective cover being capable of opposite heat sink
Rotation, which is configured to turn over and turn 90 degrees, and convenient for work such as the installation maintenances of fan, fixed installation can be used in radiator
Metal fin or fan, can also using its combination by the way of.
The scale portion of the embodiment can also use indicating graduation ruler, in this way, it is easier to, observation, the graduated scale
Effect is to indicate the displacement of laser stent, as long as any type of graduated scale that can reach this effect can be used.
Specific embodiment two,
The embodiment introduces the concrete structure of device for testing power by using the mode of automatic adjustment,
Based on the device for testing power of laser module single in laser projection, the device for testing power is using automatic control
Mode processed is tested, and specifically includes power measuring, laser module and control module,
Control module includes being set to the controller of power test box house, control motor and is set to power survey
Display screen, the signal acquisition sensor outside babinet are tried, signal acquisition sensor includes displacement sensor, velocity sensor, angle
Sensor, direction sensor are spent, wherein, displacement sensor is used to obtain the mobile displacement of power measuring, laser module,
Velocity sensor for obtaining movement speed, angular transducer be used to obtain laser light-emitting angle and with target location
Deviation angle, direction sensor are used for the moving direction of obtaining widget, and controller passes respectively with control motor, display screen, signal
Sensor connects, the both-way communication between display screen, signal transducer, and sends control signal to control motor.
Laser module includes laser stent, radiator, X-direction adjusting knob, Z-direction adjusting knob, laser branch
Laser, radiator are installed, the both sides of laser are symmetrical arranged radiator, and power measuring and laser module are installed on frame
On power test babinet, positioned at the both ends of babinet upper surface, laser module is mounted on power test case by laser stent
On body, power measuring is fixed on by support base on power test babinet, and power test babinet upper surface is set along Y direction
Guide rail is put, support base can move in guide rail along Y direction, drive power measuring adjusting position in the Y direction.X side
It is moved in the X-axis direction to adjusting knob control laser stent, Z-direction adjusting knob control laser stent is transported along Z-direction
It is dynamic.
Regulation motor and other control circuits may be contained within the inside of power test babinet, in this way, on the one hand increasing peace
Quan Xing, on the other hand, outside is other than necessary parts, and without extra wire rod etc., appearance is more neat and artistic.
Laser stent lower part is installed with graduated platform, which is fixedly mounted on power test babinet, laser
Device stent can be moved relative to the platform, and the displacement distance of laser stent can be effectively identified with graduated platform, profit
It can targetedly be adjusted with the method for science, avoid blindly adjusting, the ineffective problem brought using empirical value.
The air duct protective cover of setting inverted U-shaped structure outside radiator, the outside setting radiator block of radiator, for limiting
Determine the installation site of radiator.For the heat of radiator to be oriented to determining direction, air duct protective cover being capable of opposite heat sink
Rotation, which is configured to turn over and turn 90 degrees, and convenient for work such as the installation maintenances of fan, fixed installation can be used in radiator
Metal fin or fan, can also using its combination by the way of.
The scale portion of the embodiment can also use indicating graduation ruler, in this way, it is easier to, observation, the graduated scale
Effect is to indicate the displacement of laser stent, as long as any type of graduated scale that can reach this effect can be used.
The movement of above-mentioned component is controlled by controller, and the parameter that movement is adjusted can be carried out by display screen
Display.
The operation principle of the present invention is as follows：
The present apparatus belongs to laser projection frock clamp field, the laser power suitable for laser projection industry
Test has support platform and branch pedestal, and power measuring and radiator support platform, X are equipped with positioned at the top of support platform,
Z-direction fine adjustment rotating shaft, trimming scale line, fan cooling fixed plate, heat dissipation wind channel protective cover.Heat dissipation wind channel protective cover is
One activity can be overturn with 90 degree to U-shaped, and aluminium alloy block is equipped in front of radiator, carry out positioning radiator, and power is surveyed
Examination instrument pedestal envisaged underneath has screw locating slot, and laser testing instrument is made to be located at central point.
Laser module is fixed on radiator stand, and laser wire rod connection motherboard power supply is powered driving point light laser
Device by the way that position is adjusted to each component of the laser testing device in the X, Y, Z direction, enables laser light extraction quick
It gets to tester central point and carries out power test.
Laser stent makes laser using heat dissipation tablet, the both ends fixed heat sink of tablet, middle section installation laser
The heat generated in the device course of work quickly sheds.
The application method and process of device for testing power of the present invention are as follows：
Power test babinet is placed longitudinally on the table, and leading portion has radiator support platform, has radiator above platform,
Radiator fan, air duct protective cover, while increase graduation mark.There is Z-direction regulating valve in lower section, and there is X-direction regulating valve in left, and rear is put
Put power measuring.Power measuring is placed on rear center position, and hexagon socket head cap screw stationary positioned is used below tester,
And it can be moved forward and backward with Y-direction.
Laser is fixed in heat-radiator plate module, laser platelet lead, fan access mainboard, power supply power supply, Gu
Determine heat dissipation wind channel, fix radiation air direction, horizontal direction translation laser cooling platform, upper and lower directions adjusts laser heat dissipation
Platform makes light beam light get to the central point of power measuring between two parties.
X-direction adjusting knob can control fine tuning laser displacement amount, radiator platform be promoted to be finely adjusted, by laser
Beam emissions and power instrument central point.
Z-direction adjusting knob can finely tune laser displacement amount up and down, and radiator platform is promoted to be finely adjusted, by laser
Beam emissions and power instrument central point.
There is graduation mark on radiator platform, make X-direction fine tuning that there is referential, Z-direction can also be further set
Graduation mark makes Z-direction fine tuning equally have referential.
Air duct protective cover is located above fan, carries out air channel protection, and air duct fixes cover as inverted U, is fixed on heat dissipation
On fan, wind direction is made to radiate along fixed channel.
Radiator block can limit heat sink location positioning
The manual test process of the device is as follows：
First, laser is fixed on the heat dissipation tablet in the middle part of two radiators so that the light-emitting window of laser is preliminary
It is directed at the receiving terminal of power measuring, startup power supply；
Then, according to the nominal parameter of laser, the position of power measuring support base and laser stent is adjusted, is made
The light extraction for obtaining laser is beaten in the center of power measuring receiving terminal；
Finally, the laser power parameters of laser are obtained.
The automatic testing process of the device is as follows：
First, laser is fixed on heat dissipation tablet, nominal parameter is input to controller by startup power supply；
Secondly, by lower button, the light extraction of controller automatic adjustment laser is beaten at the midpoint of power measuring receiving terminal；
Finally, the laser power parameters of laser are obtained.
The process of controller automatic adjustment is as follows：
Signal transducer acquires current parameter and is transmitted to controller, controls according to the parameter of each component received, as
Motor sends out control signal, is adjusted in the X, Y, Z direction so that the light extraction of laser is beaten in power measuring receiving terminal
On central point, obtain power parameter and pass through display screen and shown.
Claims (10)
1. the device for testing power based on laser module single in laser projection, it is characterised in that：Including power measuring
With laser module, power measuring and laser module can relative motion, power measuring and laser module is opposite
The direction of motion is defined as Y direction, and the horizontal direction that will be perpendicular to Y-axis is defined as X-direction, perpendicular to the vertical direction of Y-axis
Z-direction is defined as, wherein, power measuring can be moved along Y-axis, and laser module can be moved along X-axis and Z axis.
2. the device for testing power according to claim 1 based on laser module single in laser projection, feature
It is：Laser module includes laser stent, radiator, X-direction adjusting knob, Z-direction adjusting knob, on laser stent
Laser, radiator are installed, the both sides of laser are symmetrical arranged radiator, and X-direction adjusting knob controls laser stent along X-axis
Direction moves, and Z-direction adjusting knob control laser stent is moved along Z-direction.
3. the device for testing power according to claim 2 based on laser module single in laser projection, feature
It is：Setting radiator fan and air duct protective cover outside radiator, for the heat of radiator to be oriented to determining direction.
4. the device for testing power according to claim 3 based on laser module single in laser projection, feature
It is：Air duct protective cover is activity, can turn over and turn 90 degrees.
5. the device for testing power according to claim 4 based on laser module single in laser projection, feature
It is：Air duct protective cover is inverted U-shaped structure.
6. the device for testing power according to claim 2 based on laser module single in laser projection, feature
It is：Radiator block is further included, for limiting the installation site of radiator.
7. the device for testing power according to claim 2 based on laser module single in laser projection, feature
It is：Laser module further includes the graduated scale of fixed installation, is used to indicate the displacement of laser stent.
8. the power test according to any one of claim 1 to 7 based on laser module single in laser projection
Device, it is characterised in that：Power test babinet is further included, power measuring and laser module are installed on power test babinet
The both ends on surface, power measuring are fixed on by support base on power test babinet, and power test babinet upper surface is along Y-axis
Direction sets guide rail, and support base can move in guide rail along Y direction.
9. the power test according to any one of claim 1 to 7 based on laser module single in laser projection
Device, it is characterised in that：Controller is further included, for power measuring to be controlled to be moved along Y-axis, laser module is along X-axis and Z axis
Movement.
10. the device for testing power according to claim 8 based on laser module single in laser projection, feature
It is：Controller is further included, for power measuring to be controlled to be moved along Y-axis, laser module is moved along X-axis and Z axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611142309.XA CN108225551A (en) | 2016-12-12 | 2016-12-12 | Device for testing power based on laser module single in laser projection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611142309.XA CN108225551A (en) | 2016-12-12 | 2016-12-12 | Device for testing power based on laser module single in laser projection |
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| Publication Number | Publication Date |
|---|---|
| CN108225551A true CN108225551A (en) | 2018-06-29 |
Family
ID=62638013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201611142309.XA Pending CN108225551A (en) | 2016-12-12 | 2016-12-12 | Device for testing power based on laser module single in laser projection |
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| US20120068048A1 (en) * | 2010-09-16 | 2012-03-22 | Cheng Uei Precision Industry Co., Ltd. | Method and apparatus for adjusting and testing an image sensor module |
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| CN103742250A (en) * | 2013-10-29 | 2014-04-23 | 广西玉柴重工有限公司 | Adjustable air director |
| CN104460201A (en) * | 2014-12-12 | 2015-03-25 | 上海仪电电子股份有限公司 | Heat dissipation device applied to laser projector |
| CN204241193U (en) * | 2014-12-06 | 2015-04-01 | 温州市质量技术监督检测院 | Fixed carbon dioxide laser parameter detecting complete equipment |
| CN105044582A (en) * | 2015-05-05 | 2015-11-11 | 成都超迈光电科技有限公司 | Labview-based semiconductor laser chip testing system |
| CN206269920U (en) * | 2016-12-12 | 2017-06-20 | 上海激亮光电科技有限公司 | Device for testing power based on single laser module in laser projection |
-
2016
- 2016-12-12 CN CN201611142309.XA patent/CN108225551A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120068048A1 (en) * | 2010-09-16 | 2012-03-22 | Cheng Uei Precision Industry Co., Ltd. | Method and apparatus for adjusting and testing an image sensor module |
| CN203022869U (en) * | 2012-12-12 | 2013-06-26 | 北汽福田汽车股份有限公司 | Fan cowl |
| CN103742250A (en) * | 2013-10-29 | 2014-04-23 | 广西玉柴重工有限公司 | Adjustable air director |
| CN204241193U (en) * | 2014-12-06 | 2015-04-01 | 温州市质量技术监督检测院 | Fixed carbon dioxide laser parameter detecting complete equipment |
| CN104460201A (en) * | 2014-12-12 | 2015-03-25 | 上海仪电电子股份有限公司 | Heat dissipation device applied to laser projector |
| CN105044582A (en) * | 2015-05-05 | 2015-11-11 | 成都超迈光电科技有限公司 | Labview-based semiconductor laser chip testing system |
| CN206269920U (en) * | 2016-12-12 | 2017-06-20 | 上海激亮光电科技有限公司 | Device for testing power based on single laser module in laser projection |
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