CN116223935A - Laser electrical module testing system and testing method thereof - Google Patents

Laser electrical module testing system and testing method thereof Download PDF

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Publication number
CN116223935A
CN116223935A CN202211553284.8A CN202211553284A CN116223935A CN 116223935 A CN116223935 A CN 116223935A CN 202211553284 A CN202211553284 A CN 202211553284A CN 116223935 A CN116223935 A CN 116223935A
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module
laser
test
testing
electrical
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金杨林
李波
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Wuhan Raycus Fiber Laser Technologies Co Ltd
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Wuhan Raycus Fiber Laser Technologies Co Ltd
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Priority to CN202211553284.8A priority Critical patent/CN116223935A/en
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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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/02—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form

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  • General Physics & Mathematics (AREA)
  • Semiconductor Lasers (AREA)

Abstract

The invention discloses a laser electrical module testing system and a testing method thereof, wherein the laser electrical module testing system comprises an upper computer, a testing module, a power supply module and a multi-port transponder, the power supply module is used for supplying power to the testing module and the multi-port transponder, the upper computer comprises a control module, and the control module is connected with the testing module through the multi-port transponder in a telecommunication way; the testing method of the laser electrical module testing system comprises the following steps: receiving a test operation instruction; according to the type of the test operation instruction, controlling the test module to test in one of a first test mode, a second test mode, a third test mode and a fourth test mode; therefore, the automatic test can improve the test efficiency, the accuracy and the traceability of test data of the electrical module of the laser to be tested, improve the production efficiency and reduce the requirement on the capability of operators; and because the test time is short and the efficiency is high, more comprehensive tests can be carried out on more test items.

Description

Laser electrical module testing system and testing method thereof
Technical Field
The invention relates to the technical field of laser testing, in particular to a laser electrical module testing system and a testing method thereof.
Background
In order to ensure the product quality, the laser needs to be tested before leaving the factory, and most of the current laser electrical modules adopt manual testing, manual value reading and manual recording, so the following defects exist: 1. the slow test efficiency seriously affects the production efficiency; 2. manually adjusting the read values by hand, such as reading the rise and fall time (0% -100%) using an oscilloscope; 3. the requirements on the capability of the testers are high, and the testers are difficult to cultivate (the use of oscilloscopes, the use of burning test software, the basic electrical principle and the like are required to be known); 4. the accuracy and traceability requirements of the data cannot be met; 5. in view of the test time requirements, some indicators are not all detected.
Disclosure of Invention
The invention mainly aims to provide a laser electrical module testing system and a testing method thereof, and aims to solve the problems of low production efficiency, low test data accuracy and traceability, less detection indexes and high requirements on operators caused by the existing manual testing laser.
In order to achieve the above object, the present invention provides a testing method of a testing system of a laser electrical module, the testing system of the laser electrical module includes a host computer, a testing module, a power supply module and a multi-port transponder, the power supply module is used for supplying power to the testing module and the multi-port transponder, the host computer includes a control module, the control module is connected with the testing module through the multi-port transponder in a telecommunication manner;
the testing method of the laser electrical module testing system comprises the following steps:
receiving a test operation instruction;
and controlling the test module to test in one of a first test mode, a second test mode, a third test mode and a fourth test mode according to the type of the test operation instruction.
Optionally, the system for testing the electrical module of the laser further comprises a direct current transformer, wherein the direct current transformer is electrically connected with the electrical module of the laser to be tested and is used for measuring the output current of the electrical module of the laser to be tested;
the test operation instruction is a current test;
according to the type of the test operation instruction, controlling the test module to test in a first test mode, wherein the method comprises the following steps:
the power supply module is controlled to be started, and a first preset current is input to the laser to be detected;
acquiring the actual output current of an electrical module of the laser to be detected;
and determining whether the actual output current is in a standard current threshold value or not, and determining whether the laser to be tested is qualified or not.
Optionally, the system for testing the electrical module of the laser further comprises an oscilloscope, wherein the oscilloscope is electrically connected with the electrical module of the laser to be tested and is used for collecting waveforms of alternating current output by the electrical module of the laser to be tested;
the test operation instruction is frequency and amplitude test;
according to the type of the test operation instruction, controlling the test module to test in a third test mode, including:
controlling the power supply module to be started, and inputting a third preset current into the laser to be detected;
acquiring actual waveform image information of direct current output by an electrical module of a laser to be detected;
according to the actual waveform image information, acquiring actual index parameters of an electrical module of the laser to be detected, wherein the actual index parameters at least comprise overshoot parameters, rising edge parameters, falling edge parameters and time delay parameters.
And comparing the actual index parameter with the standard index parameter, and determining whether the laser to be tested is qualified or not according to the comparison result.
Optionally, the system for testing an electrical module of a laser further includes a signal simulation module and an alarm module, where the signal simulation module is electrically connected with the laser to be tested and the control module to simulate an abnormal electrical signal output by the laser to be tested in an abnormal state, and send the abnormal electrical signal to a control board of the laser to be tested, so that the control board of the laser to be tested sends an abnormal processing instruction to the control module, and the control module is electrically connected with the alarm module to control the alarm module to be started and send an alarm when the control module receives the abnormal processing instruction;
the test operation instruction is a protection test;
according to the type of the test operation instruction, controlling the test module to test in a fourth test mode, including:
acquiring an abnormal electrical signal output by the laser to be detected in an abnormal state, and transmitting the abnormal electrical signal to a control board of the laser to be detected;
and confirming whether the alarm module is started or not, and confirming whether the control module receives the abnormal processing instruction or not according to a confirmation result so as to confirm whether the laser to be detected can recognize and process the abnormal state or not.
Specifically, the abnormal state includes at least a high temperature state, a low temperature state, a light leakage state, an input power too high state, and an input power too low state.
Optionally, the abnormal state includes at least a high temperature state, a low temperature state, a light leakage state, an input power too high state, and an input power too low state.
The invention also provides a system for testing the laser electrical module, which comprises:
the test module is used for detecting the output electrical property of the electrical module of the laser to be tested;
the upper computer comprises a control module, wherein the control module is in telecommunication connection with the test module through a multiport transponder, the control module comprises a memory, a processor and a test program of a laser electrical module test system, the test program of the laser electrical module test system is stored on the memory and can run on the processor, and the steps of the test method of the laser electrical module test system according to any one of claims 1 to 6 are realized when the test program of the laser electrical module test system is executed by the processor; the method comprises the steps of,
and the power supply module is used for supplying power to the test module, the control module and the multiport repeater.
Optionally, the test module includes:
the direct current transformer is electrically connected with the electrical module of the laser to be detected so as to measure the output current of the electrical module of the laser to be detected; and/or the number of the groups of groups,
and the oscilloscope is electrically connected with the electrical module of the laser to be detected so as to acquire waveforms when receiving the alternating current output by the electrical module of the laser to be detected.
Optionally, the laser electrical module testing system further includes a cabinet body, the cabinet body is formed with an installation cavity, the installation cavity is used for installing the testing module, the upper computer, the multiport transponder and the power supply module, and an installation part is arranged at the upper end of the cabinet body and used for placing the laser to be tested.
Optionally, four universal wheels are respectively arranged at the bottom of the cabinet body and at the positions corresponding to the four corners of the cabinet body.
Optionally, the laser electrical module testing system further comprises a writer, wherein a writing card seat for inserting a chip is arranged on the writer, and the writer is in telecommunication connection with the control module and is used for calling out an operation program from a memory of the control module and writing the operation program into the chip; and/or the number of the groups of groups,
the upper computer also comprises a display which is in communication connection with the control module and used for displaying the test result of the test module.
In the technical scheme of the invention, the laser electrical module testing system comprises an upper computer, a testing module, a power supply module and a multi-port transponder, wherein the power supply module is used for supplying power to the testing module and the multi-port transponder, the upper computer comprises a control module, and the control module is in telecommunication connection with the testing module through the multi-port transponder; the testing method of the laser electrical module testing system comprises the following steps: receiving a test operation instruction; according to the type of the test operation instruction, controlling the test module to test in one of a first test mode, a second test mode, a third test mode and a fourth test mode; the laser electrical module testing system is used for continuously testing the electrical module, testing the function and detecting the fault function of the medium-high power conventional laser, displaying and storing important parameters of the electrical module, and performing CPK analysis on the data; therefore, the test efficiency of the electrical module of the laser to be tested and the accuracy of test data can be improved, and the production efficiency is further improved; in addition, the foolproof wiring and software testing can be performed by one key, so that the requirement on the capability of operators is reduced; the laser electrical module testing system meets the test of all electrical modules of the medium-high power laser, and has short testing time and high efficiency, so that compared with manual testing, the laser electrical module testing system has enough time to more comprehensively test more testing items; in addition, the test data of the laser electrical module test system can be automatically collected and uploaded, so that the record is more accurate, CPK analysis and early warning quality can be automatically carried out, and further the accuracy and traceability of the test data can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flowchart of a first embodiment of a testing method of a laser electrical module testing system provided by the present invention;
FIG. 2 is a flowchart of a second embodiment of a testing method of the laser electrical module testing system provided by the present invention;
FIG. 3 is a flowchart of a third embodiment of a testing method of the laser electrical module testing system provided by the present invention;
FIG. 4 is a schematic diagram of a testing system for electrical modules of a laser according to an embodiment of the present invention;
fig. 5 is a control module schematic of the laser electrical module testing system of fig. 4.
Description of the embodiments of the invention the reference numerals:
reference numerals Name of the name Reference numerals Name of the name
100 Laser electrical module testing system 21 Display device
1 Test module 3 Power supply module
11 Oscilloscope 4 Cabinet body
2 Upper computer 200 Laser to be inspected
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
In order to ensure the product quality, the laser needs to be tested before leaving the factory, and most of the current laser electrical modules adopt manual testing, manual value reading and manual recording, so the following defects exist: 1. the slow test efficiency seriously affects the production efficiency; 2. manually adjusting the read values by hand, such as reading the rise and fall time (0% -100%) using an oscilloscope; 3. the requirements on the capability of the testers are high, and the testers are difficult to cultivate (the use of oscilloscopes, the use of burning test software, the basic electrical principle and the like are required to be known); 4. the accuracy and traceability requirements of the data cannot be met; 5. in view of the test time requirements, some indicators are not all detected.
In view of the above, the present invention provides a system and a method for testing an electrical module of a laser. FIGS. 1-3 illustrate embodiments of a method for testing a laser electrical module testing system; fig. 4-5 illustrate embodiments of a laser electrical module testing system.
Referring to fig. 1 to 3, the laser electrical module testing system includes an upper computer, a testing module, a power supply module and a multi-port transponder, wherein the power supply module is used for supplying power to the testing module and the multi-port transponder, the upper computer includes a control module, and the control module is in telecommunication connection with the testing module through the multi-port transponder;
the testing method of the laser electrical module testing system comprises the following steps:
s10: receiving a test operation instruction;
s30: and controlling the test module to test in one of a first test mode, a second test mode, a third test mode and a fourth test mode according to the type of the test operation instruction.
In this embodiment, the laser electrical module testing system includes an upper computer, a testing module, a power supply module and a multi-port transponder, where the power supply module is configured to supply power to the testing module and the multi-port transponder, and the upper computer includes a control module, where the control module is in telecommunication connection with the testing module through the multi-port transponder; the testing method of the laser electrical module testing system comprises the following steps: receiving a test operation instruction; according to the type of the test operation instruction, controlling the test module to test in one of a first test mode, a second test mode, a third test mode and a fourth test mode; the laser electrical module testing system is used for continuously testing the electrical module, testing the function and detecting the fault function of the medium-high power conventional laser, displaying and storing important parameters of the electrical module, and performing CPK analysis on the data; therefore, the test efficiency of the electrical module of the laser to be tested and the accuracy of test data can be improved, and the production efficiency is further improved; in addition, the foolproof wiring and software testing can be performed by one key, so that the requirement on the capability of operators is reduced; the laser electrical module testing system meets the test of all electrical modules of the medium-high power laser, and has short testing time and high efficiency, so that compared with manual testing, the laser electrical module testing system has enough time to more comprehensively test more testing items; in addition, the test data of the laser electrical module test system can be automatically collected and uploaded, so that the record is more accurate, CPK analysis and early warning quality can be automatically carried out, and further the accuracy and traceability of the test data can be improved.
Referring to fig. 1, fig. 1 is a schematic diagram illustrating a first embodiment of a testing method of a testing system for an electrical module of a laser according to the present invention.
The laser electrical module testing system further comprises a direct current transformer, wherein the direct current transformer is electrically connected with the electrical module of the laser to be tested and is used for measuring the output current of the electrical module of the laser to be tested;
the test operation instruction is a current test;
according to the type of the test operation instruction, the step S20 of controlling the test module to perform a test in a first test mode includes:
s201: the power supply module is controlled to be started, and a first preset current is input to the laser to be detected;
s202: acquiring the actual output current of an electrical module of the laser to be detected;
s203: and determining whether the actual output current is in a standard current threshold value or not, and determining whether the laser to be tested is qualified or not.
In this embodiment, the direct current transformer is used for the mutual inductance of direct current magnitude conversion. The non-linearity and non-symmetry when the iron core in the iron core coil is magnetized by DC and AC current are utilized, and the DC heavy current passing through the coil is inversely transformed into DC light current according to the turn number by the rectifying circuit. The device is mainly used for measuring direct current large current and is also used as a current feedback, control and protection element in a rectification system; therefore, the direct current transformer is arranged, so that the output current in the standby state and the 24A full-load state can be rapidly and accurately collected, the measurement operation is simple and convenient, and the control is simple.
Referring to fig. 2, fig. 2 is a third embodiment of a testing method of a testing system for an electrical module of a laser according to the present invention.
The system for testing the electrical module of the laser further comprises an oscilloscope, wherein the oscilloscope is electrically connected with the electrical module of the laser to be tested and is used for collecting waveforms when receiving direct current output by the electrical module of the laser to be tested;
the test operation instruction is frequency and amplitude test;
and a step S20 of controlling the test module to perform a test in a third test mode according to the type of the test operation instruction, including:
s201": controlling the power supply module to be started, and inputting a third preset current into the laser to be detected;
s202': acquiring actual waveform image information of direct current output by an electrical module of a laser to be detected;
s203": according to the actual waveform image information, acquiring actual index parameters of an electrical module of the laser to be detected, wherein the actual index parameters at least comprise overshoot parameters, rising edge parameters, falling edge parameters and time delay parameters.
S204": and comparing the actual index parameter with the standard index parameter, and determining whether the electrical module of the laser to be tested is qualified or not according to the comparison result.
In this embodiment, specific steps of frequency and amplitude testing are given, taking 3KW output power as an example, the corresponding third preset current is 24A, the third preset current is input to the laser to be tested, and the actual waveform image information of the direct current output by the electrical module of the laser to be tested is obtained; the rising edge is the instant (moment) at which the output current changes from 2.4A (10% of the preset current) to 21.6A (90% of the preset current); the falling edge is the moment (moment) when the output current changes from 21.6A (900% of the preset current) to 2.4A (10% of the preset current); the overshootFor exceeding a first peak or valley of the set current; delay is the time required for data (one message or packet, even bits) to be transmitted from one end of a network (or link) to the other; the method comprises the steps that actual waveform image information of direct current is output by an electrical module of a laser to be detected, and actual index parameters of the electrical module of the laser to be detected can be obtained, wherein the actual index parameters at least comprise overshoot parameters, rising edge parameters, falling edge parameters and DA delay parameters; thus, automatic collection of ripple wave/noise, rising edge time, falling edge time, current overshoot and the like is completed; at the same time, a preset overshoot current I is given at the moment of starting up and in the process of 0-24A change Overshoot of Testing is carried out to test that the electrical module of the laser to be tested does not generate instant heavy current, so that the laser used by factory can be ensured not to be damaged by the instant heavy current; it should be noted that the preset overshoot current is generally 24A < I Overshoot of ＜26A。
Referring to fig. 3, fig. 3 is a fourth embodiment of a testing method of a testing system for an electrical module of a laser according to the present invention.
The laser electrical module testing system further comprises a signal simulation module and an alarm module, wherein the signal simulation module is used for being electrically connected with the laser to be tested and the control module to simulate an abnormal electrical signal output by the laser to be tested in an abnormal state and transmit the abnormal electrical signal to a control board of the laser to be tested so that the control board of the laser to be tested sends an abnormal processing instruction to the control module, and the control module is electrically connected with the alarm module to control the alarm module to be started and send an alarm when the control module receives the abnormal processing instruction;
the test operation instruction is a protection test;
and a step S20 of controlling the test module to perform a test in a fourth test mode according to the type of the test operation instruction, including:
s201' ": acquiring an abnormal electrical signal output by the laser to be detected in an abnormal state, and transmitting the abnormal electrical signal to a control board of the laser to be detected;
s202' ": and confirming whether the alarm module is started or not, and confirming whether the control module receives the abnormal processing instruction or not according to a confirmation result so as to confirm whether the laser to be detected can recognize and process the abnormal state or not.
Specifically, the abnormal state includes at least a high temperature state, a low temperature state, a light leakage state, an input power too high state, and an input power too low state.
In this embodiment, specific steps of protection test are given, taking light leakage of the laser as an example, in a normal use process, when the laser leaks light, a control board of the laser receives a high level of abnormal feedback, for example, in a normal state, the feedback level received by the control board of the laser is 0-0.7V, and in a light leakage state, the feedback level received by the control board of the laser is 3.5-5V; when the control board of the laser receives a high level, an exception handling instruction is sent to the control module, and after the control module receives the exception handling instruction, the control module controls the alarm module to be started and give an alarm, and simultaneously controls the power supply module to be closed; in this embodiment, the signal simulation module simulates an abnormal electrical signal output by the laser to be detected in an abnormal state, and transmits the abnormal electrical signal to the control board of the laser to be detected, if the laser to be detected of the laser to be detected can identify and process the abnormal state, an abnormal processing instruction is sent to the control module, and after receiving the abnormal processing instruction, the control module controls the alarm module to be turned on and give an alarm, and controls the power supply module to be turned off; if the laser to be detected cannot identify and process the abnormal state, an abnormal processing instruction is not sent to the control module, the control module does not receive the abnormal processing instruction, and the alarm module and the power supply module do not respond correspondingly; therefore, whether the alarm module is started or not is confirmed, and whether the laser to be detected can identify and process the abnormal state or not can be confirmed; the device is simple in test, convenient to operate, high in test efficiency and accurate in result; meanwhile, the test can be applied to different abnormal states, and only different abnormal electric signals are needed to be given out, so that the practicability is high.
The invention also provides a laser electrical module testing system 100, referring to fig. 4 to 5, the laser electrical module testing system 100 comprises a testing module 1, an upper computer 2 and a power supply module 3; the test module 1 is used for detecting the output electrical property of an electrical module of the laser to be tested; the upper computer 2 comprises a control module, the control module is in telecommunication connection with the test module 1 through a multiport transponder, the control module comprises a memory, a processor and a test program of the laser electrical module test system 100, the test program of the laser electrical module test system 100 is stored in the memory and can run on the processor, and the steps of the test method of the laser electrical module test system 100 are realized when the test program of the laser electrical module test system 100 is executed by the processor; the power supply module 3 is configured to supply power to the test module 1, the control module, and the multiport repeater.
In the technical scheme of the invention, the laser electrical module testing system 100 comprises a host computer 2, a testing module 1, a power supply module 3 and a multi-port transponder, wherein the power supply module 3 is used for supplying power to the testing module 1 and the multi-port transponder, and the host computer 2 comprises a control module which is in telecommunication connection with the testing module 1 through the multi-port transponder; the testing method of the laser electrical module testing system 100 includes the steps of: receiving a test operation instruction; according to the type of the test operation instruction, the test module 1 is controlled to perform a test in one of a first test mode, a second test mode, a third test mode and a fourth test mode; the laser electrical module testing system 100 is used for continuous medium-high power conventional laser electrical module testing, function testing, fault detection, and display and store important parameters of electrical modules, and perform CPK analysis on data; therefore, the test efficiency of the electrical module of the laser to be tested and the accuracy of test data can be improved, and the production efficiency is further improved; in addition, the foolproof wiring and software testing can be performed by one key, so that the requirement on the capability of operators is reduced; the laser electrical module testing system 100 meets the test of all electrical modules of the medium-high power laser, and has short testing time and high efficiency, so that more testing items can be tested more comprehensively than manual testing; in addition, the test data of the laser electrical module test system 100 can be automatically collected and uploaded, so that the record is more accurate, CPK analysis and early warning quality can be automatically performed, and further the accuracy and traceability of the test data can be improved.
In the present invention, the test module 1 includes a dc current transformer, which is electrically connected to the electrical module of the laser 200 to be tested, so as to measure the output current of the electrical module of the laser 200 to be tested; since the direct current transformer is used for the mutual inductance of direct current magnitude conversion. The non-linearity and non-symmetry when the iron core in the iron core coil is magnetized by DC and AC current are utilized, and the DC heavy current passing through the coil is inversely transformed into DC light current according to the turn number by the rectifying circuit. The device is mainly used for measuring direct current large current and is also used as a current feedback, control and protection element in a rectification system; therefore, the direct current transformer is arranged, so that the output current in the standby state and the 24A full-load state can be rapidly and accurately collected, the measurement operation is simple and convenient, and the control is simple.
In the invention, the test module 1 comprises an oscilloscope 11, wherein the oscilloscope 11 is used for being electrically connected with an electrical module of the laser 200 to be detected so as to acquire waveforms when receiving direct current output by the electrical module of the laser 200 to be detected; the actual waveform image information output by the oscilloscope 11 not only can complete automatic acquisition of ripple wave/noise, rising edge time, falling edge time, current overshoot and the like; and the electrical module of the laser 200 to be tested can be tested without generating instantaneous large current, so that the laser used by a factory can be ensured not to be damaged by the instantaneous large current.
It should be noted that, the above three technical features may be alternatively set, or may be set simultaneously, and specifically, in this embodiment, the above three technical features are set simultaneously, that is, the test module 1 includes a dc current transformer and an oscilloscope 11, where the dc current transformer is used to be electrically connected with an electrical module of the laser 200 to be tested, so as to measure an output current of the electrical module of the laser 200 to be tested; the oscilloscope 11 is electrically connected with the electrical module of the laser 200 to be inspected, so as to collect waveforms when receiving the alternating current output by the electrical module of the laser 200 to be inspected; by the arrangement, the automatic detection and collection of indexes such as output current, output power, ripple/noise, rising edge time, falling edge time, current overshoot and the like can be completed; not only realizing the execution of software test by one key, reducing the requirement on the capability of operators; and the testing efficiency is improved, the operation is simple and convenient, and the control is simple.
More specifically, the laser electrical module testing system 100 further includes a cabinet 4, where the cabinet 4 is formed with a mounting cavity, the mounting cavity is used for mounting the testing module 1, the upper computer 2, the multiport repeater and the power supply module 3, and an installation part is provided at an upper end of the cabinet 4 for placing the laser 200 to be tested; by arranging the cabinet body 4, not only can each module be reasonably arranged, but also installation space is saved; and the components are fixed, connected and packaged through the cabinet body 4 so as to ensure reliability and safety.
Specifically, four universal wheels are respectively arranged at the bottom of the cabinet body 4 and at the positions corresponding to the four corners of the cabinet body; so can be convenient for the user pass the cabinet body 4 for the test process is more convenient.
In the present invention, the laser electrical module testing system 100 further includes a writer, on which a writing card seat for inserting a chip is provided, and the writer is in telecommunication connection with the control module, and is configured to call out an operation program from a memory of the control module and write the operation program to the chip; because the programmer is generally referred to as a programmer, the programmer is a programmable tool for writing data into an integrated circuit, and the programmer is mainly used for programming (or flushing) chips such as a singlechip (including an embedded)/a memory (including a BIOS); the burning process is generally as follows: firstly, inserting a programmed chip (such as BIOS) into a programming card seat (a wrench for a chip notch to a card seat) of the writer according to a correct direction; secondly, the matched cables are respectively inserted into a serial port of the upper computer 2 and a communication port of the programmer; the power supply (12V) of the burner is turned on, and at the moment, the intermediate power supply luminous tube indicating lamp is on to indicate that the power supply is normal; subsequently, the control module controls the operation of the programmer software on the upper computer 2, and at the moment, the program automatically monitors the types of the communication port and the chip, and then, the programmed file (hex file) prepared in advance is called from the programming software; finally, starting programming, then starting programming program to the chip by the programmer, prompting the programming to be completed by the programmer, closing the power supply of the programmer, and taking down the chip; therefore, the program of the testing method can be written into the chip, so that different testing chips can be selected according to the different lines of the laser 200 to be tested before testing, and the testing is more accurate and convenient.
In the present invention, the upper computer 2 further includes a display 21, where the display 21 is in telecommunication connection with the control module, and is configured to display a test result of the test module 1; by providing the display 21, a user can more intuitively acquire a test result, and determine whether the laser 200 to be inspected is qualified.
It should be noted that the above two technical features may be alternatively set or may be set simultaneously, specifically, the above two technical features are set simultaneously, that is, the laser electrical module test system 100 further includes a burner, the burner is provided with a writing card seat for inserting a chip, and the burner is in telecommunication connection with the control module, and is used for writing an operation program into the chip after being called out from a memory of the control module; the upper computer 2 further comprises a display 21, wherein the display 21 is in telecommunication connection with the control module and is used for displaying the test result of the test module 1; therefore, before testing, different testing chips can be selected according to different lines of the laser 200 to be tested, so that testing is more accurate and convenient; and, by setting the display 21, the user can more intuitively acquire the test result, and determine whether the laser 200 to be inspected is qualified.
Specifically, in the present embodiment, 2.5mm is used 2 The navigation plug supplies 380V to the electrical module of the laser 200 to be detected, 4mm2 navigation plug is used for taking charge of intervention of the electrical module of the laser 200 to be detected, 10P 2.5 gap seats are used for sampling test data of the electrical module of the laser 200 to be detected, 5P 1.25 gap plugs are used for connecting a burning port of the electrical module of the laser 200 to be detected, and 8P 2X 4.25 gap seats are used for connecting a CPLD burning port of the electrical module of the laser 200 to be detected.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the specification and drawings of the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.

Claims (10)

1. The testing method of the laser electrical module testing system is characterized in that the laser electrical module testing system comprises an upper computer, a testing module, a power supply module and a multi-port transponder, wherein the power supply module is used for supplying power to the testing module and the multi-port transponder, the upper computer comprises a control module, and the control module is in telecommunication connection with the testing module through the multi-port transponder;
the testing method of the laser electrical module testing system comprises the following steps:
receiving a test operation instruction;
and controlling the test module to test in one of a first test mode, a second test mode, a third test mode and a fourth test mode according to the type of the test operation instruction.
2. The method for testing the system for testing the electrical module of the laser according to claim 1, wherein the system for testing the electrical module of the laser further comprises a direct current transformer, and the direct current transformer is electrically connected with the electrical module of the laser to be tested and is used for measuring the output current of the electrical module of the laser to be tested;
the test operation instruction is a current test;
according to the type of the test operation instruction, controlling the test module to test in a first test mode, wherein the method comprises the following steps:
the power supply module is controlled to be started, and a first preset current is input to the laser to be detected;
acquiring the actual output current of an electrical module of the laser to be detected;
and determining whether the actual output current is in a standard current threshold value or not, and determining whether the laser to be tested is qualified or not.
3. The method for testing the system for testing the electrical module of the laser according to claim 1, wherein the system for testing the electrical module of the laser further comprises an oscilloscope, the oscilloscope is electrically connected with the electrical module of the laser to be tested, and is used for waveform acquisition when receiving the direct current output by the electrical module of the laser to be tested;
the test operation instruction is frequency and amplitude test;
according to the type of the test operation instruction, controlling the test module to test in a third test mode, including:
controlling the power supply module to be started, and inputting a third preset current into the laser to be detected;
acquiring actual waveform image information of direct-current voltage and current output by an electrical module of a laser to be detected;
according to the actual waveform image information, acquiring actual index parameters of an electrical module of the laser to be detected, wherein the actual index parameters at least comprise overshoot parameters, rising edge parameters, falling edge parameters and time delay parameters.
And comparing the actual index parameter with the standard index parameter, and determining whether the laser to be tested is qualified or not according to the comparison result.
4. The test method of the laser electrical module test system according to claim 1, wherein the laser electrical module test system further comprises a signal simulation module and an alarm module, the signal simulation module is electrically connected with the laser to be tested and the control module to simulate an abnormal electrical signal output by the laser to be tested in an abnormal state, and the abnormal electrical signal is transmitted to a control board of the laser to be tested to enable the control board of the laser to be tested to send an abnormal processing instruction to the control module, and the control module is electrically connected with the alarm module to control the alarm module to be started and send an alarm when the control module receives the abnormal processing instruction;
the test operation instruction is a protection test;
according to the type of the test operation instruction, controlling the test module to test in a fourth test mode, including:
acquiring an abnormal electrical signal output by the laser to be detected in an abnormal state, and transmitting the abnormal electrical signal to a control board of the laser to be detected;
and confirming whether the alarm module is started or not, and confirming whether the control module receives the abnormal processing instruction or not according to a confirmation result so as to confirm whether the laser to be detected can recognize and process the abnormal state or not.
5. The method of claim 4, wherein the abnormal state includes at least a high temperature state, a low temperature state, a light leakage state, an input power too high state, and an input power too low state.
6. A laser electrical module testing system, comprising:
the test module is used for detecting the output electrical property of the electrical module of the laser to be tested;
the upper computer comprises a control module, wherein the control module is in telecommunication connection with the test module through a multiport transponder, the control module comprises a memory, a processor and a test program of a laser electrical module test system, the test program of the laser electrical module test system is stored on the memory and can run on the processor, and the steps of the test method of the laser electrical module test system according to any one of claims 1 to 5 are realized when the test program of the laser electrical module test system is executed by the processor; the method comprises the steps of,
and the power supply module is used for supplying power to the test module, the control module and the multiport repeater.
7. The laser electronic module testing system of claim 6, wherein the testing module comprises:
the direct current transformer is electrically connected with the electrical module of the laser to be detected so as to measure the output current of the electrical module of the laser to be detected; and/or the number of the groups of groups,
and the oscilloscope is electrically connected with the electrical module of the laser to be detected so as to acquire waveforms when receiving direct current output by the electrical module of the laser to be detected.
8. The system of claim 6, further comprising a cabinet forming a mounting cavity for mounting the test module, the host computer, the multiport transponder, and the power module, wherein a mounting portion is provided at an upper end of the cabinet for the laser to be inspected to rest.
9. The system of claim 8, wherein four universal wheels are provided at the bottom of the cabinet at positions corresponding to four corners thereof.
10. The system according to claim 6, further comprising a burner, wherein the burner is provided with a writing card seat for inserting a chip, and the burner is in telecommunication connection with the control module and is used for writing an operation program after being called out from a memory of the control module to the chip; and/or the number of the groups of groups,
the upper computer also comprises a display which is in communication connection with the control module and used for displaying the test result of the test module.
CN202211553284.8A 2022-12-05 2022-12-05 Laser electrical module testing system and testing method thereof Pending CN116223935A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211553284.8A CN116223935A (en) 2022-12-05 2022-12-05 Laser electrical module testing system and testing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211553284.8A CN116223935A (en) 2022-12-05 2022-12-05 Laser electrical module testing system and testing method thereof

Publications (1)

Publication Number Publication Date
CN116223935A true CN116223935A (en) 2023-06-06

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Family Applications (1)

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CN202211553284.8A Pending CN116223935A (en) 2022-12-05 2022-12-05 Laser electrical module testing system and testing method thereof

Country Status (1)

Country Link
CN (1) CN116223935A (en)

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