CN108896934A - LED module Current Voltage lights detection device and its detection method automatically - Google Patents
LED module Current Voltage lights detection device and its detection method automatically Download PDFInfo
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- CN108896934A CN108896934A CN201810784267.2A CN201810784267A CN108896934A CN 108896934 A CN108896934 A CN 108896934A CN 201810784267 A CN201810784267 A CN 201810784267A CN 108896934 A CN108896934 A CN 108896934A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/44—Testing lamps
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
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Abstract
A kind of LED module Current Voltage disclosed in this invention lights detection device, including adapter, power supply group, control chip, I/O module, touch screen, detection special purpose interface, Current Voltage detection module automatically；Adapter is separately connected on the firewire and zero curve for exchanging electric connection line with the input anode of power supply group with input cathode；The output end of power supply group is connected with the input terminal of Current Voltage detection module；The output end of programmable power supply is connected with the input terminal of control chip；Current Voltage detection module, I/O module, tested body, the input terminal for controlling chip are connected with the output end of power supply group；At least the output cathode of No. four on-off switches is connected with detection special purpose interface, and output cathode is connected with each other, and inputs after anode is connected and is connected with power supply group, and input cathode is connected after being connected with I/O module；On the connecting line that the input terminal that Current Voltage detection module is connected to control chip is connected with the output end of power supply group.It reduces production cost, improving production efficiency and production economy benefit.
Description
Technical field
The present invention relates to a kind of technical field of the automatic checkout equipment of the LED module circuit of vehicle lamp assembly, especially one
Kind LED module Current Voltage lights detection device and its detection method automatically.
Background technique
Automobile comes into common people house, and the quality and performance of each components of automobile are increasingly by the pass of car owner
Note, the especially car light of automobile, are the very important component parts of automobile, are the driving main circulation ways of intent information,
It is related to the safety for driving vehicle and nearby vehicle, is related to you my his personal safety, escorts for safety traffic, be vapour
The first element of vehicle safe driving.Automobile lamp is broadly divided into high beam, dipped headlight, turn signal, fog lamp, daytime running lamps, shows
Wide lamp, back-up lamp, brake lamp.
It is detected currently, the LED module wiring board in automobile lamp needs to meet at quality testing department (IQC) after producing
Whether the LED module of vehicle lamp assembly can normally be lighted, whether input current within defined value range, it may be desirable to it is artificial general
The LED module input port of vehicle lamp assembly is connected on DC power supply, then again observation lamp whether all light, finally use universal meter
The electric current and/or feedback voltage on the road detection input Kou Ge are carried out, vehicle lamp assembly is in high-volume (quantity generally by thousand as unit of)
When production, such one assembly of an assembly detect, and needs largely could manually detect completion within the scheduled duration,
And the accuracy of testing result is poor, detection speed is comparable slowly, unusual waste of manpower, time, so that cost of labor mentions
It rises, working efficiency is low, and the data detected need on manual record to papery notebook, and the data on papery notebook are again
Typing is stored into PC computer, at this time since data are huge, is easy data to mix up in record disorderly or mistake stores, thus
Whether the report that can check and be sent to client to the later period causes undesirable influence, and accurately cannot get to product qualification information
Certainly, to influence positive generate.Therefore based on above-mentioned defect, inventor have developed a kind of LED module Current Voltage from
It is dynamic to light detection device.
Summary of the invention
A kind of reduction production cost designed the purpose of the present invention is to solve the deficiency of above-mentioned technology promotes production
The LED module Current Voltage of efficiency and production economy benefit lights detection device and its detection method automatically.
LED module Current Voltage designed by the present invention lights detection device automatically, including：
One is converted to 220V alternating current the adapter of direct current；
One group of power supply group for power supply；
One control chip at least No. four on-off switches；
One for that will be inputted, be exported the I O module of conversion and control；
One manipulation touch screen；
One detection special purpose interface being connected with tested body；
One Current Voltage detection module；
Adapter is separately connected the firewire and zero for exchanging electric connection line with the input anode of power supply group with input cathode
On line；The output end of power supply group is connected with the input terminal of Current Voltage detection module；The output end and control chip of programmable power supply
Input terminal be connected；Current Voltage detection module, I O module, tested body, the input terminal of control chip are defeated with power supply group
Outlet is connected；At least the output cathode of No. four on-off switches is connected with detection special purpose interface, and output cathode is connected with each other,
Input anode is connected after being connected with power supply group, and input cathode is connected after being connected with I/O module；The connection of Current Voltage detection module
On the connecting line that the input terminal of control chip is connected with the output end of power supply group.
Further preferably, further include an acoustic-optic alarm, two input terminals of acoustic-optic alarm respectively with I O module
Output end be connected with power supply group.
It further preferably, further include start button S1, start button S1 is connected with power supply group and I/O module respectively.
It further preferably, further include PC host computer, Current Voltage detection module passes through the communication protocol interface of 485 turns of USB
It is connected with PC host computer.
Further preferably, Current Voltage detection module includes ammeter and voltmeter, and voltmeter is connected by pull-up resistor R
On the connecting line that the input terminal of control chip is connected with the output end of power supply group, ammeter is connected to the input terminal of control chip
On the connecting line being connected with the output end of power supply group.
Further preferably, power supply group includes：One only exports the Switching Power Supply one of 5V direct current；One only output 12V it is straight
The Switching Power Supply two of galvanic electricity；One programmable power supply powered to tested body；Switching Power Supply one, Switching Power Supply two and programmable power supply
Input anode and input cathode be connected respectively with the firewire of 22OV alternating current and zero curve；The output end of Switching Power Supply one point
It is not connected with voltmeter and ammeter；Switching Power Supply two respectively with acoustic-optic alarm, I/O module, start button S1, at least four
12V power end is connected with Switching Power Supply two after road input cathode is connected；The output end of programmable power supply and the input terminal of control chip
It is connected.
A kind of LED module Current Voltage lights detection method automatically, using the LED module electric current electricity of such as preceding claim
Pressure lights detection device automatically and carries out LED module detection, specifically includes following detecting step：
A, body and detection special purpose interface are tested to inserting, and per LED circuit to be detected all the way respectively with each control chip
Metal-oxide-semiconductor connection；
B, starting PC upper computer selecting has set the detection machine of storage or has not set the new detection machine of storage, and typing
Body model to be detected；
C, start button S1 is pressed, Current Voltage detection module, I O module, control chip, touch screen are supplied by power supply group
Electrically activate work；
D, manipulation touch screen selects detection pattern, to form the signal whether each metal-oxide-semiconductor channel is respectively turned on test, signal
Through being controlled in I/O module input control chip；
E, voltmeter obtains the feedback voltage of the metal-oxide-semiconductor of conducting through pull-up resistor R, and ammeter obtains the metal-oxide-semiconductor of conducting
Electric current, and the model that typing is sent in PC host computer and analyzes, corresponded to by communication protocol interface is stored, and judges product
It is whether qualified.
Further preferably, the specific setting procedure of the new detection machine of storage is not set in b step：
B1, user, which are logined, carries out machine selection, and starts real-time testing；
B2, real-time learning test parameter, and touch screen is shown；
It takes in after b3, manual touch-control touch screen step-up error and detection pattern and storage to the detection machine for having set storage
In mode.
It further preferably, further include that individually operated single -step operation detection is carried out to main hardware, it is any with manual test
The electric current and feedback voltage level of one machine are found out rapidly problem in device fails and are repaired.
Further preferably, in step e, judge that qualified product is lighted through the green light in acoustic-optic alarm；Judgement is not
Qualified product is lighted through the feux rouges in acoustic-optic alarm, and issues alarm sound.
LED module Current Voltage designed by the present invention lights detection device and its detection method automatically, need to will only examine
Measurement equipment links together with each function input end mouth, after the inner parameter of detection device is set, detection device can directly according to
Secondary detection is lighted and is judged, to detect easy to operate, can effectively improve module detection efficiency；And it can be according to detection model
Corresponding storage detection data is carried out, without sending artificial progress manual entry, to solve manual entry storing data and band
The technical issues of adverse effect and influence come normally produces；Cost of labor is generally reduced described in comprehensive, improves production
The reliability and protection of detection.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment 1；
Fig. 2 is the integrally-built testing process schematic diagram of embodiment 1.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
Embodiment 1：
As depicted in figs. 1 and 2, LED module Current Voltage described in the present embodiment lights detection device, including one automatically
There are a 2, one groups of adapter power supply group 1, one for being used to power that 220V alternating current is converted to direct current at least four tunnels to lead to
Control chip 4, one closed are disconnected for that will be inputted, be exported I/O module 5, manipulations a touch screens, one of conversion and control
A Current Voltage detection module 3, one of the detection special purpose interface being connected with tested body 6, one acoustic-optic alarm, starting are pressed
Button S1, PC host computer；
Adapter 2 be separately connected with the input anode of power supply group 1 with input cathode exchange electric connection line firewire and
On zero curve；The output end of power supply group 1 is connected with the input terminal of Current Voltage detection module 3；The output end of programmable power supply 13 and control
The input terminal of coremaking piece 4 is connected；Current Voltage detection module 3, I/O module 5, tested body, control the input terminal of chip 4 with
The output end of power supply group 1 is connected；At least the output cathode of No. four on-off switches is connected with detection special purpose interface 6, and output is just
Pole is connected with each other, and is inputted after anode is connected and is connected with power supply group 1, and input cathode is connected after being connected with I O module 5；Electric current
On the connecting line that the input terminal that voltage detection module 3 is connected to control chip 4 is connected with the output end of power supply group；Sound-light alarm
Two input terminals of device are connected with the output end of I/O module 5 and power supply group 1 respectively；Start button S1 respectively with power supply group 1 and IO
Module 5 is connected；Current Voltage detection module 3 is connected by the communication protocol interface 7 of 485 turns of USB with PC host computer；PC host computer
On be also connected with a two dimensional code barcode scanning device, the information in two dimensional code being affixed on tested body can have detection data, should
It detects the model of body and whether qualified product information stores；On-off switch uses metal-oxide-semiconductor.There is WI in touch screen
N732 bit manipulation system, 1800 double-core CPU, 2G memories, 16G hard disk；The channel of I/O module uses 8D I and 8DO, programmable power supply
Export 30V, 5A.
The design principle of above structure：Modern science and technology life has not been adapted to in order to solve the cumbersome detection mode of the prior art
The technical issues of requirement of production, and electric property is the most important evaluation item of automobile lamp quality, and whether electric property meets
The distance of brightness, light-illuminating that prescribed relationship is shone to car light and the degree of divergence of light.To special purpose interface when detecting
With tested body (vehicle lamp assembly) to insert, and control chip each channel docked with each input terminal of tested body, dimension code barcode scanning
Device, which is swept, takes the corresponding two dimensional code being affixed on tested body, to form the two dimensional code memory module on PC host computer；It touches at this time
Control touch screen select the break-make situation of each road metal-oxide-semiconductor, and control instruction is converted through the D/A converter module of I/O module
It is input on each road metal-oxide-semiconductor of control chip afterwards, hence into real-time monitoring mode, the electric current and/feedback voltage that detect
It is obtained by Current Voltage detection module, and is input in PC host computer after communication protocol interface modulus turns and judge being tested
Whether body is qualified, and when the input current of mould group is in the current range of setting, the indicator light green light on detection device will be bright
It rises, if detection device will sound an alarm and red light lights, and the data measured are automatically credited two when beyond within the scope of this
In the memory module for tieing up code；The achievable test of above equipment simultaneously has：The electric property of automobile lamp is mainly manifested in car light
Size of current and stability after unlatching need to test its feedback voltage size detected with detection signal.Car light is opened
When electric current and feedback voltage then determine car light OK in the normal range, it is on the contrary then determine NG.Acoustic-optic alarm uses buzzing
Device T1 and LED light.
In the present embodiment, Current Voltage detection module 3 includes ammeter and voltmeter, and voltmeter is connected by pull-up resistor R
It connects on the connecting line that the input terminal for controlling chip 4 is connected with the output end of power supply group, ammeter is connected to the defeated of control chip 4
Enter on the connecting line that end is connected with the output end of power supply group.It is carried out that electronic current table and electronic voltage can be used according to design requirement
Table realizes the performance that can transmit obtained data so that the acquisition of data is more accurate.Voltmeter range 30V.
In the present embodiment, power supply group 4 includes：One only exports the Switching Power Supply 1 of 5V direct current；One only exports 12V
The Switching Power Supply 2 12 of direct current；One PA3005P programmable power supply 13 powered to tested body；Switching Power Supply one, switch electricity
The input anode and input cathode of source two and programmable power supply are connected with the firewire of 22OV alternating current and zero curve respectively；Switch electricity
The output end in source one is connected with voltmeter and ammeter respectively；Switching Power Supply two respectively with acoustic-optic alarm, I/O module, starting
Button S1, the connected rear 12V power end of at least four tunnels input cathode are connected with Switching Power Supply two；The output end of programmable power supply and control
The input terminal of chip is connected.Its structure is realized relatively reliable to the power supply of each road component.
A kind of LED module Current Voltage lights detection method automatically, using the LED module electric current electricity of such as preceding claim
Pressure lights detection device automatically and carries out LED module detection, specifically includes following detecting step：
A, body and detection special purpose interface are tested to inserting, and per LED circuit to be detected all the way respectively with each control chip 4
Metal-oxide-semiconductor connection；
B, starting PC upper computer selecting has set the detection machine of storage or has not set the new detection machine of storage, and typing
Body model to be detected, the typing two dimensional code of model, which is swept, to be taken, and itself has model in two dimensional code, can be through after data measured
PC host computer stores data in two dimensional code, thus in order to which higher level's testing department carries out safety selective examination and client's；
C, start button S1 is pressed, Current Voltage detection module 3, I/O module 5, control chip 4, touch screen are by power supply group
1 for electrically activating work；
D, manipulation touch screen selects detection pattern, to form the signal whether each metal-oxide-semiconductor channel is respectively turned on test, signal
Through being controlled in I/O module input control chip；
E, voltmeter obtains the feedback voltage of the metal-oxide-semiconductor of conducting through pull-up resistor R, and ammeter obtains the metal-oxide-semiconductor of conducting
Electric current, and the model that typing is sent in PC host computer and analyzes, corresponded to by communication protocol interface is stored, and judges product
It is whether qualified.
The specific setting procedure of the new detection machine of storage is not set in b step：
B1, user, which are logined, carries out machine selection, and starts real-time testing；
B2, real-time learning test parameter, and touch screen is shown；
It takes in after b3, manual touch-control touch screen step-up error and detection pattern and storage to the detection machine for having set storage
In mode.
In above-mentioned detection method, the new detection machine of storage or less the item that do not set in selection machine can be set
It is fixed：
1) high level test voltage, low level test voltage：Car light supply voltage, most of types are given during the test
Lamp need to only carry out testing current for high level voltage, and individual machines need to carry out testing current for low level voltage.
2) whether low-voltage is tested：Low level voltage progress testing current machine need to be provided and choose this；
3) high level setting electric current and its error, low level setting electric current and its error, feedback voltage setting and its error：
The range for setting test value, when test result in range then test passes, go beyond the scope then test failure.
4) lighting time：Refer to lighting time before testing electric current, can be set according to different machines.
5) detection pattern：It is divided into four kinds of modes, 0：Channel is closed；1：It opens channel but does not detect feedback signal；2：It opens
Air conduct measurement high level signal；3：Open Air conduct measurement low level signal.
The detection interface of touch screen and display：It is plugged the connector of test lamp after having selected machine, then clicks test key,
System shows every test result after the completion of test automatically into test mode；Show 1) high level test voltage, low level
Test voltage：The high level and low level test voltage of current machine setting；2) channel：Test macro can test 4 channels；3) it unites
Count item：Including test quantity, qualified quantity, bad quantity, qualification rate and testing time, the state of test can be found out at any time,
Statistical items can be reset at any time；4) test value：Including high voltage and current, low-voltage current, feedback voltage level, display is when front car light
Test value, the show value -1 when not testing；5) test result：Test including high voltage and current, low-voltage current, feedback voltage
As a result, test result is divided into three kinds, i.e., test passes, test is higher and test is relatively low, when not testing, display channel is closed.
When specific manual operation, 1, starting up：Touch screen booting can carry out test interface automatically, manual without operator
Into；
2, shutdown is exited：The exit button for clicking test interface being capable of automatic shutdown after touch screen exits test interface；
3, setting, single step, minimum encryption：Setting and the encryption of single step interface, prevent operator from changing by mistake relevant parameter, minimum
Changing function encryption needs permission to enter, and facilitates administrator to check touch screen computer content and modifies related setting；
4, record of bad behavior：When surveyed lamp has bad, buzzer warning, and current statistics ginseng is saved with exce l format
Number, administrator can be by being viewed locally after minimum test interface into computer；
5, operation indicating：When carrying out preservation parameter, deleting the operations such as parameter, statistics clearing and exit button, system meeting
Related prompt is made, operator's maloperation is prevented.
It further include that individually operated single -step operation detection is carried out to main hardware in the present embodiment, it is any with manual test
The electric current and feedback voltage level of one machine are found out rapidly problem in device fails and are repaired.To be promoted
Service performance.
In the present embodiment, in step e, judge that qualified product is lighted through the green light in acoustic-optic alarm；Judgement is not
Qualified product is lighted through the feux rouges in acoustic-optic alarm, and issues alarm sound.Promote the efficiency of detection operation.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are various under the inspiration of the present invention
The product of form, however, make any variation in its shape or structure, it is all that there is skill identical or similar to the present application
Art scheme, is within the scope of the present invention.
Claims (10)
1. a kind of LED module Current Voltage lights detection device automatically, which is characterized in that including：
One is converted to 220V alternating current the adapter of direct current；
One group of power supply group for power supply；
One control chip at least No. four on-off switches；
One for that will be inputted, be exported the I/O module of conversion and control；
One manipulation touch screen；
One detection special purpose interface being connected with tested body；
One Current Voltage detection module；
Adapter is separately connected on the firewire and zero curve for exchanging electric connection line with the input anode of power supply group with input cathode；
The output end of power supply group is connected with the input terminal of Current Voltage detection module；The input of the output end and control chip of programmable power supply
End is connected；Current Voltage detection module, I/O module, tested body, control the input terminal of chip with the output end phase of power supply group
Even；At least the output cathode of No. four on-off switches is connected with detection special purpose interface, and output cathode is connected with each other, and input is just
It is connected after being extremely connected with power supply group, input cathode is connected after being connected with I/O module；Current Voltage detection module is connected to control
On the connecting line that the input terminal of chip is connected with the output end of power supply group.
2. LED module Current Voltage according to claim 1 lights detection device automatically, which is characterized in that further include one
Two input terminals of a acoustic-optic alarm, acoustic-optic alarm are connected with the output end of I/O module and power supply group respectively.
3. LED module Current Voltage according to claim 1 lights detection device automatically, which is characterized in that further include opening
Dynamic button S1, start button S1 are connected with power supply group and I/O module respectively.
4. LED module Current Voltage according to claim 1 lights detection device automatically, which is characterized in that further include PC
Host computer, Current Voltage detection module are connected by the communication protocol interface of 485 turns of USB with PC host computer.
5. LED module Current Voltage according to claim 4 lights detection device automatically, which is characterized in that Current Voltage
Detection module includes ammeter and voltmeter, and voltmeter is connected to the input terminal and power supply group of control chip by pull-up resistor R
The connected connecting line of output end on, ammeter is connected to the connection that the input terminal of control chip is connected with the output end of power supply group
On line.
6. LED module Current Voltage according to claim 5 lights detection device automatically, which is characterized in that power supply group packet
It includes：
One only exports the Switching Power Supply one of 5V direct current；
One only exports the Switching Power Supply two of 12V DC electricity；
One programmable power supply powered to tested body；
Switching Power Supply one, the input anode of Switching Power Supply two and programmable power supply and input cathode respectively with 22OV alternating current
Firewire is connected with zero curve；The output end of Switching Power Supply one is connected with voltmeter and ammeter respectively；Switching Power Supply two respectively with sound
Light warning device, I/O module, start button S1, the connected rear 12V power end of at least four tunnels input cathode are connected with Switching Power Supply two；
The output end of programmable power supply is connected with the input terminal of control chip.
7. a kind of LED module Current Voltage lights detection method automatically, it is characterised in that using such as any one of claim 1-8
The LED module Current Voltage lights detection device automatically and carries out LED module detection, specifically includes following detecting step：
A, be tested body and detection special purpose interface to insert, and per LED circuit to be detected all the way respectively with it is each control chip metal-oxide-semiconductor
Connection；
B, starting PC upper computer selecting has set the detection machine of storage or has not set the new detection machine of storage, and typing is to be checked
Survey body model；
C, start button S1 is pressed, Current Voltage detection module, I/O module, control chip, touch screen are opened by the power supply of power supply group
It starts building to make；
D, manipulation touch screen selects detection pattern, and to form the signal whether each metal-oxide-semiconductor channel is respectively turned on test, signal is through IO
It is controlled in module input control chip；
E, voltmeter obtains the feedback voltage of the metal-oxide-semiconductor of conducting through pull-up resistor R, and ammeter obtains the electric current of the metal-oxide-semiconductor of conducting,
And the model that typing is sent in PC host computer and analyzes, corresponded to by communication protocol interface is stored, and whether judges product
It is qualified.
8. LED module Current Voltage according to claim 8 lights detection method automatically, which is characterized in that in b step
The specific setting procedure of the new detection machine of storage is not set：
B1, user, which are logined, carries out machine selection, and starts real-time testing；
B2, real-time learning test parameter, and touch screen is shown；
It takes in after b3, manual touch-control touch screen step-up error and detection pattern and storage to the detection machine mode for having set storage
It is interior.
9. LED module Current Voltage according to claim 8 lights detection method automatically, which is characterized in that further include pair
Main hardware carries out individually operated single -step operation detection, with the electric current of any one of manual test machine and feedback voltage level or
Person finds out rapidly problem in device fails and repairs.
10. LED module Current Voltage according to claim 8 lights detection method automatically, which is characterized in that in step e
In, judge that qualified product is lighted through the green light in acoustic-optic alarm；Judge underproof product through in acoustic-optic alarm
Feux rouges light, and issue alarm sound.
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| CN201810784267.2A CN108896934A (en) | 2018-07-17 | 2018-07-17 | LED module Current Voltage lights detection device and its detection method automatically |
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| CN201810784267.2A CN108896934A (en) | 2018-07-17 | 2018-07-17 | LED module Current Voltage lights detection device and its detection method automatically |
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Cited By (4)
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| CN109959880A (en) * | 2019-03-20 | 2019-07-02 | 苏州巨擎电子科技有限公司 | A kind of program-controlled car light group lights detection device |
| CN112222020A (en) * | 2020-10-30 | 2021-01-15 | 上海芯哲微电子科技股份有限公司 | Digital capacitive isolator testing and sorting system and sorting device thereof |
| CN112731030A (en) * | 2020-12-23 | 2021-04-30 | 深圳市优必选科技股份有限公司 | Electronic component detection method and device, terminal equipment and storage medium |
| CN113828547A (en) * | 2021-10-08 | 2021-12-24 | 北京水木东方医用机器人技术创新中心有限公司 | Coaxial light source precision screening system and method |
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