CN112505574B - Industrial power supply automatic test system for fiber laser - Google Patents

Industrial power supply automatic test system for fiber laser Download PDF

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Publication number
CN112505574B
CN112505574B CN202011249697.8A CN202011249697A CN112505574B CN 112505574 B CN112505574 B CN 112505574B CN 202011249697 A CN202011249697 A CN 202011249697A CN 112505574 B CN112505574 B CN 112505574B
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power supply
test
switching power
industrial
testing
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CN112505574A (en
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李其军
刘晓旭
胡明思
黄瑜
黄友强
林齐
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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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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40Testing power supplies

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Abstract

The embodiment of the invention provides an automatic industrial power supply testing system for a fiber laser, which comprises the following components: the test extension, the electronic load, the industrial personal computer, the 380V alternating current power supply and the test tool are connected with the test tool; to detect a performance parameter of a switching power supply mounted on the test tool; the testing extension is used for collecting signals of the switching power supply and interacting with information of the switching power supply; and measurement and control software and a database are arranged in the industrial personal computer so as to detect and store the data of the switching power supply. The automatic test system for the industrial power supply of the fiber laser provided by the embodiment of the invention realizes the automatic test of the switching power supply, has high test efficiency, is simple and convenient to operate, has high integration level of test items, does not need more professional knowledge of detection personnel, avoids errors of manual reading, and improves the detection efficiency and the detection accuracy of the switching power supply.

Description

Industrial power supply automatic test system for fiber laser
Technical Field
The invention relates to the technical field of industrial power supply detection equipment, in particular to an automatic industrial power supply testing system for an optical fiber laser.
Background
In recent years, the power demand of high-power industrial power supplies is increasing from a few kilowatts to up to ten watts. The method is widely applied to various customized industrial product systems due to the characteristics of high power conversion efficiency, convenient installation and the like. Meanwhile, the design is complex, the manufacturing procedures are more, the manufacturing difficulty is high, and the product yield is reduced. In order to ensure the quality, each function of the device needs to be checked.
At present, a test switch power supply generally uses a test probe carried by a test instrument such as an oscilloscope, a universal meter or an instrument head (such as voltage, current, temperature, power and the like) to perform manual point test on contacts on the power supply one by one, then records data displayed by the test instrument, and finally judges whether the power supply is good or not according to the measured data. The test method has the problems of incomplete test and low test efficiency, and the test result has the conditions of some discreteness, poor repeatability, inaccuracy and the like. For mass-produced power supplies, hundred percent quality inspection is required for each part and product, but not sampling inspection is required, so that the requirements of detecting the whole machine performance of modern power supply products by manual detection are determined. In addition, for products comprising multiple types of power supplies, in addition to single detection, multiple types of power supply tests are involved, and high requirements are set for the expertise and the proficiency of detection personnel, so that the labor cost is increased. Based on the above, an automatic detection system of a switching power supply is designed.
Disclosure of Invention
The embodiment of the invention provides an automatic testing system for an industrial power supply of an optical fiber laser, which is used for solving the defects of low testing efficiency and poor accuracy of a switching power supply in the prior art and realizing automatic detection of the switching power supply.
The embodiment of the invention provides an automatic industrial power supply testing system for a fiber laser, which comprises the following components: the test device comprises a test extension, an electronic load, an industrial personal computer, a 380V alternating current power supply and a test fixture, wherein the test extension, the electronic load, the industrial personal computer and the 380V alternating current power supply are all connected with the test fixture; detecting performance parameters of a switching power supply installed on the test tool; the testing extension is used for collecting signals of the switching power supply and interacting with information of the switching power supply; and measurement and control software and a database are arranged in the industrial personal computer so as to detect and store the data of the switching power supply.
According to the automatic industrial power supply testing system for the fiber laser, which is provided by the embodiment of the invention, a communication control module and a detection module are arranged in the testing tool, and the communication control module is electrically connected with the testing extension; the detection module is electrically connected with the industrial control computer.
According to the industrial power supply automatic test system for the fiber laser, which is provided by the embodiment of the invention, the IO control module is further arranged in the test tool so as to detect whether the switching power supply can be normally turned off.
According to the automatic industrial power supply testing system for the fiber laser, provided by the embodiment of the invention, the testing tool is provided with the acousto-optic warning lamp which is used for warning the unqualified items of the switching power supply in the detection process.
According to one embodiment of the invention, the automatic test system for the industrial power supply of the fiber laser comprises an AC/DC test fixture, wherein the AC/DC test fixture comprises: the translation movement mechanism is arranged in the first test case and used for installing an AC/DC switching power supply to be tested; the power input pressing mechanism and the power output pressing mechanism are both arranged in the first test case, are positioned above the translational motion mechanism, and can be in contact with the AC/DC switching power supply arranged on the translational motion mechanism so as to supply power to the AC/DC test tool and collect operation information of different circuits of the AC/DC switching power supply; the LED lamp signal acquisition mechanism is arranged on the power output pressing mechanism and can correspond to the position of an LED signal lamp of the AC/DC switching power supply so as to acquire LED signal parameters of the AC/DC switching power supply.
According to the automatic industrial power supply testing system for the fiber laser, the LED lamp signal acquisition mechanism comprises a plurality of photosensitive tubes for acquiring LED signals of the AC/DC switching power supply.
According to an embodiment of the invention, the automatic test system for the industrial power supply of the fiber laser further comprises a DC/DC test fixture, wherein the DC/DC test fixture comprises: the second test case is provided with a support frame, and the DC/DC switching power supply to be tested is arranged on the second test case; the driving assembly is mounted on the supporting frame; the connection test assembly is arranged at the lower part of the driving assembly and can be pressed with the DC/DC switching power supply to be tested under the drive of the driving assembly so as to collect the performance parameters of the DC/DC switching power supply to be tested.
An automatic test system for an industrial power supply of a fiber laser according to an embodiment of the present invention further includes: the reverse irrigation power supply and the direct current power supply are electrically connected with the test tool.
According to one embodiment of the invention, the industrial power supply automatic test system for the fiber laser further comprises a power supply comprehensive test cabinet, wherein the test extension, the electronic load, the industrial personal computer, the reverse irrigation power supply and the direct current power supply are all arranged in the power supply comprehensive test cabinet.
The automatic test system for the industrial power supply of the fiber laser, according to one embodiment of the invention, further comprises an oscilloscope and a movable display, wherein the oscilloscope and the movable display are installed on the integrated power supply test cabinet.
The automatic test system for the industrial power supply of the fiber laser provided by the embodiment of the invention realizes the automatic test of the switching power supply, has high test efficiency, is simple and convenient to operate, has high integration level of test items, does not need more professional knowledge of detection personnel, avoids errors of manual reading, and improves the detection efficiency and the detection accuracy of the switching power supply.
Drawings
In order to more clearly illustrate the embodiments of the 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 one by one, it being obvious that the drawings in the following description are some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an automatic test system for an industrial power supply for a fiber laser according to an embodiment of the present invention;
FIG. 2 is a block diagram of an industrial power supply automatic test system for fiber lasers according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of the AC/DC test fixture shown in FIG. 1;
fig. 4 is a partial enlarged view at a shown in fig. 3;
fig. 5 is a schematic structural view of the DC/DC test fixture shown in fig. 1.
Reference numerals:
1: the power supply comprehensive test cabinet; 2: AC/DC test fixture; 3: DC/DC test fixture; 4: a 380V alternating current power supply; 11: reverse irrigation power supply; 12: an industrial personal computer; 13: a direct current power supply; 14: an electronic load; 15: a keyboard mouse; 16: an oscilloscope; 17: testing the extension; 18: a movable display; 201: a first test chassis; 202: a first audible and visual warning lamp; 203: a translational movement mechanism; 204: a first cylinder; 205: a first connection plate; 206: a first reed; 207: a second connecting plate; 208: a first guide bar; 209: a first probe; 210: the LED lamp signal acquisition mechanism; 211: a third cylinder; 212: a second guide bar; 213: a second probe; 214: a third connecting plate; 215: a fourth connecting plate; 216: a second reed; 301: a second test chassis; 302: a second sound warning lamp; 303: a support frame; 304: a fifth cylinder; 305: a fifth connecting plate; 306: a third guide bar; 307: a power supply connection column; 308: a third probe; 309: and a sixth connecting plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present 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.
An industrial power supply automatic test system for a fiber laser according to an embodiment of the present invention is described below with reference to fig. 1 to 5.
As shown in fig. 1 and 2, in one embodiment of the present invention, an industrial power automatic test system for a fiber laser includes: the test machine comprises a test extension 17, an industrial personal computer 12, an electronic load 14, a 380V alternating current power supply 4 and a test tool.
Specifically, the test extension 17, the industrial personal computer 12, the electronic load 14 and the 380V alternating current power supply 4 are all connected with the test fixture. The test extension 17 is used for collecting signals of the switching power supply and interacting with information of the switching power supply. The industrial personal computer 12 is internally provided with measurement and control software and a database for detecting the performance parameters of the switching power supply and storing test data.
In one embodiment of the present invention, a test fixture comprises: the AC/DC test fixture 2 or the DC/DC test fixture 3, wherein the AC/DC test fixture 2 is used for installing an AC/DC switching power supply, and the AC/DC test fixture 2 can be in pressfitting power supply with the AC/DC switching power supply so as to detect various performance parameters of the AC/DC switching power supply. The DC/DC test fixture 3 is used for installing a DC/DC switching power supply, and can be in pressfitting power supply with the DC/DC switching power supply so as to detect various performance parameters of the DC/DC switching power supply.
In the actual testing process, the industrial power supply automatic testing system for the fiber laser provided by the embodiment of the invention can perform the following performance parameter tests:
detecting when the output of the switching power supply is normal: the output current of the electronic load 14 is automatically regulated, whether the output end of the switching power supply outputs a high level is detected, and when the indicator lamp on the AC/DC test fixture 2 is green, the high level is indicated to be output.
Detection of the output overcurrent of the switching power supply: the output current of the electronic load 14 is automatically regulated, whether the output end of the switching power supply outputs a low level is detected, and when the indicator lamp on the AC/DC test fixture 2 is red, an output fault is indicated.
Detection when the output of the switching power supply is short-circuited: and automatically adjusting the electronic load 14, detecting whether the output end outputs a low level, and indicating output faults when the indicator lamp on the AC/DC test fixture 2 is red.
Detection of switching power supply output recovery: automatically adjusting the electronic load 14, detecting whether the output voltage of the switching power supply is recovered to be normal, detecting whether the output end outputs high level, and if the locking test is met, unlocking; and whether the locking detection is normal after the power-on again, and when the indicator lamp on the AC/DC test tool 2 is green, indicating that the output is recovered to be normal.
Detection of load effect: automatically adjusting the electronic load 14 to present an empty state, and recording the value of the output voltage Vf; automatically adjusting the electronic load 14 to 90A, and recording the value of the output voltage Ve; whether or not less than + -1% is calculated using the formula-Vf-Ve-rated output voltage x 100%.
Detection of undervoltage and overvoltage of the input end of the switching power supply: and the output voltage value of the 380V alternating current power supply 4 is automatically regulated, whether the input end of the switching power supply outputs a low level or not under the undervoltage and overvoltage states is detected, and when an indicator lamp on the AC/DC test tool 2 is red, the output fault is indicated.
Recovery detection of input undervoltage and overvoltage of a switching power supply: the 380V alternating current power supply 4 is automatically regulated to output 220V (380V for three phases), whether the input end outputs high level or not is detected, and whether the output voltage is recovered to be normal or not is detected. If the locking test is in accordance with the condition, whether the locking test is unlocked or not, whether the re-electrifying is normal or not is detected, and when the indicator lamp on the AC/DC test tool 2 is green, the output is indicated to be normal again.
The automatic test system for the industrial power supply of the fiber laser provided by the embodiment of the invention realizes the automatic test of the switching power supply, has high test efficiency, is simple and convenient to operate, has high integration level of test items, does not need more professional knowledge of detection personnel, avoids errors of manual reading, and improves the detection efficiency and the detection accuracy of the switching power supply.
As shown in fig. 1, in one embodiment of the present invention, the industrial power supply automatic test system for a fiber laser further includes: the integrated power supply test cabinet 1 and a reverse irrigation power supply 11, a direct-current power supply 13, a keyboard mouse 15, an oscilloscope 16 and a movable display 18 which are arranged in the integrated power supply test cabinet 1. Specifically, the test extension 17, the electronic load 14, and the industrial personal computer 12 are also installed in the integrated power supply test cabinet 1, and the test extension 17, the electronic load 14, the industrial personal computer 12, the reverse-feeding power supply 11, the direct-current power supply 13, and the oscilloscope 16 are all connected to the integrated power supply test cabinet 1 to form a whole. In the actual test process, the performance of the switching power supply can be detected only by connecting the AC/DC test tool 2 or the DC/DC test tool 3 with the power supply comprehensive test cabinet 1. The automatic test system for the industrial power supply of the fiber laser provided by the embodiment of the invention can also be used for detecting the following:
and (3) automatically detecting the external dimension and the installation dimension: when the external dimension, the mounting aperture of the switching power supply are smaller and the distance between the mounting apertures is wrong, the measurement and control software in the industrial personal computer 12 prompts that the dimension is unqualified.
Output overvoltage detection: through the voltage that auxiliary anti-filling power supply 11 exceeded power module maximum voltage, whether detect switching power supply output end output low level, when the pilot lamp on AC/DC test fixture 2 was red, indicate output trouble.
Source effect detection: detecting the values of output voltages in overvoltage and undervoltage detection links, and respectively recording output voltage values V0, vmin and Vmax corresponding to voltages of 220V, 176V and 264V when the load is full; whether or not less than + -1% is calculated using the larger value/V0×100% of the formulae |V0-Vmin| and |Vmax-V0|.
And (3) efficiency detection: and when the 380V alternating current power supply 4 supplies power at 220V and is loaded at 90A, whether the calculation efficiency meets the requirement is calculated by utilizing the ratio of the output power to the input power.
And (3) detecting output characteristics: recording time t1 when the output voltage rises from 10% to 90% under rated load; the output voltage at rated load is raised from 90% to 10% for time t2. The frequency of the electronic load 14 is controlled at the highest frequency specified by each power supply module, the load is loaded to 90% full load from 10% of no load, the amplitude time of the output voltage is tested to be recovered to be in the normal standard range, and the measurement and control software reads the value of the oscilloscope 16 and calculates the value.
After the test is finished, the AC/DC test tool 2 or the DC/DC test tool 3 automatically cuts off high-voltage power supply, and the industrial personal computer 12 gives out the test result of each test point and the qualification judgment of the tested switching power supply. For reject items, the movable display 18 displays NG, the first audible and visual warning lamp 202 provided on the AC/DC test fixture 2 or the second audible and visual warning lamp 302 provided on the DC/DC test fixture 3 lights up for warning. After the test is completed, the test system automatically generates a test data form and judges the test data form, and simultaneously, the data is automatically stored in a database.
In one embodiment of the invention, a communication control module, a detection module and an IO control module are arranged in the AC/DC test fixture 2 or the DC/DC test fixture 3, and the communication control module is used for carrying out information interaction with the test extension 17; the detection module is used for transmitting the detected data to the industrial personal computer 12 through the communication control module so that the industrial personal computer 12 can perform data analysis and judgment; the IO control module is used for detecting whether the switching power supply can be started normally by setting a low level for the power switch of the AC/DC test tool 2 or the DC/DC test tool 3.
As shown in fig. 3 and 4, in one embodiment of the present invention, the AC/DC test fixture 2 includes: translational motion mechanism 203, power input pressing mechanism, power output pressing mechanism and LED lamp signal acquisition mechanism 210.
Specifically, a translational movement mechanism 203 is provided in the first test case 201 for mounting an AC/DC switching power supply to be tested. The translational movement mechanism 203 can be moved to the test area by the drive of a cylinder or a motor or the like.
The power input pressing mechanism is installed on the side wall of the first test case 201, and specifically includes: a first cylinder 204, a first guide bar 208, a first connection plate 205, and a first probe 209. Specifically, the first cylinder 204 is mounted on a side wall of the first test case 201, the bottom of the first guide bar 208 is mounted on the bottom surface of the first test case 201 and penetrates the first connection plate 205, the first connection plate 205 is mounted at the lower portion of the first cylinder 204 and connected to the first cylinder 204, and the first connection plate 205 can move up and down along the first guide bar 208 under the driving of the first cylinder 204.
The power input pressing mechanism further comprises: a second cylinder (not shown), a second connection plate 207, and a first reed 206. Specifically, a second cylinder is installed in the first test case 201, and a second connection plate 207 is connected to the second cylinder, and the second connection plate 207 can horizontally move in the first test case 201 and move under the first probe 209 by the driving of the second cylinder. Further, the second connecting plate 207 is provided with a first reed 206, when the first reed 206 moves below the first probe 209, the first probe 209 moves downwards under the driving of the first cylinder 204, contacts with the first reed 206, and compresses the first reed 206, so that the first reed 206 and the AC/DC switching power supply to be tested are pressed and supplied with power.
The power output pressing mechanism includes: a third cylinder 211, a second guide rod 212, a third connection plate 214, and a second probe 213. The third cylinder 211 is mounted on a supporting frame of the first testing machine case 201, and the second guide rod 212 is mounted on the bottom surface of the first testing machine case 201 through the third connecting plate 214. The third connection plate 214 is installed below the third cylinder 211 and connected to the third cylinder 211, and the third connection plate 214 can move up and down along the second guide bar 212 by the driving of the third cylinder 211. Further, the second probe 213 is detachably installed at the lower portion of the third connection plate 214, and the second probe 213 can be moved up and down to be in contact with the second reed 216 by the driving of the third connection plate 214.
A fourth cylinder (not shown), a fourth connecting plate 215, and a second reed 216. Specifically, the fourth cylinder is installed in the first test case 201, the fourth connecting plate 215 is connected with the fourth cylinder, and the fourth connecting plate 215 is fixedly connected to the supporting frame and can horizontally move in the first test case 201 under the driving of the fourth cylinder. The second reed 216 is installed on the fourth connecting plate 215, and under the drive of the fourth cylinder, the fourth connecting plate 215 drives the second reed 216 to move to the lower side of the second probe 213, and the second probe 213 moves downwards under the drive of the third connecting plate 214 so as to be in contact with the second reed 216, and the second reed 216 is pressed onto the AC/DC switching power supply to be tested to realize pressing power supply.
The LED lamp signal collection mechanism 210 is mounted on the third connection board 214, and includes a plurality of photosensitive tubes to collect LED signals of the AC/DC switching power supply, and the industrial personal computer 12 controls the indicator lamp of the AC/DC test fixture 2 through the LED signals of the AC/DC switching power supply.
In the actual testing process, the wiring is used for connecting the comprehensive power supply testing cabinet 1 with the AC/DC testing tool 2 according to the port name, clicking the running program and entering the testing interface. And starting a power switch of the comprehensive power supply testing cabinet 1, and then starting a power switch of the AC/DC testing tool 2. The tested AC/DC switching power supply is placed in the translational motion mechanism 203 of the AC/DC testing tool 2, the double-start switch of the AC/DC testing tool 2 is started by both hands at the same time, the translational motion mechanism 203 moves to a testing area, the power supply input pressing mechanism and the power supply output pressing mechanism supply power with the AC/DC switching power supply in a pressing mode, a clicking program starts to test, the program tests all parameters of the AC/DC switching power supply according to a set testing flow, the testing result is compared with indexes, and whether all performance parameters are qualified is automatically judged. If a problem occurs in the testing process, the testing system automatically pops up a dialog box to inquire about the next testing requirement, and executes the next operation according to the requirement.
According to the industrial power supply automatic test system for the fiber laser, provided by the embodiment of the invention, complex wiring is not needed between the AC/DC switching power supply to be tested and the test system, and only the AC/DC switching power supply is put on the translational motion mechanism, and the switch is started, so that the workload of detection personnel is reduced. The test result is automatically analyzed and judged through a database in the power supply comprehensive test cabinet, and for unqualified items, automatic audible and visual alarm can be realized, so that erroneous judgment is prevented.
As shown in fig. 5, in one embodiment of the present invention, when the switching power supply to be detected is a DC/DC switching power supply, the DC/DC test fixture 3 includes: the second test chassis 301, the drive assembly, and the connection test assembly. The second test case 301 is provided with a supporting frame 303, and the DC/DC switching power supply to be tested is installed on the second test case 301. The driving component is installed on the supporting frame 303, the connection testing component is installed at the lower part of the driving component, and the connection testing component can be pressed with the DC/DC switching power supply to be tested under the driving of the driving component so as to collect the performance parameters of the DC/DC switching power supply.
Specifically, the drive assembly includes: a fifth cylinder 304, a fifth connection plate 305, a sixth connection plate 309, and a third guide bar 306. Specifically, the fifth cylinder 304 is mounted on the support frame 303, and the fifth connection plate 305 is mounted on the lower portion of the fifth cylinder 304 and connected to the fifth cylinder 304. The sixth connection plate 309 is disposed in parallel with the fifth connection plate 305 and is disposed at a lower portion of the fifth connection plate 305, wherein the fifth connection plate 305 and the sixth connection plate 309 are connected by a connection member. The third guide bar 306 penetrates the sixth connection board 309, and one end thereof is mounted on the second test case 301, and the other end thereof is mounted on the support 303. The fifth connection plate 305 and the sixth connection plate 309 can be moved up and down along the third guide bar 306 by the driving of the fifth cylinder 304.
The connection test assembly includes: a power connection post 307 and a third probe 308. The power supply connection post 307 is mounted on the lower portion of the sixth connection plate 309 and is connectable with the second test chassis 301. The third probe 308 penetrates the fifth connection board 305 and the sixth connection board 309 and is fixed on the fifth connection board 305 and the sixth connection board 309, and the needle of the third probe 308 is downward toward the DC/DC switching power supply to be tested. In the actual operation process, under the driving of the fifth cylinder 304, the fifth connecting plate 305 and the sixth connecting plate 309 move downward along the third guide rod 306, so as to drive the third probe 308 to move downward, so that the third probe 308 is pressed with the DC/DC switching power supply to be tested, the third probe 308 props against each input end, each output end and each signal pin of the DC/DC switching power supply, and is connected to the integrated power test cabinet 1 through wires, so that performance parameters on the DC/DC switching power supply to be tested are collected, and various functions are tested.
In the actual testing process, the wiring is used for connecting the comprehensive power supply testing cabinet 1 with the DC/DC testing tool 3 according to the port name, clicking the running program and entering the testing interface. And starting a power switch of the comprehensive power supply testing cabinet 1, and then starting a power switch of the DC/DC testing tool 3. The tested DC/DC switch power supply is placed in a second test case 301 of the DC/DC test tool 3, the double-start switch of the DC/DC test tool 3 is started simultaneously by two hands, the driving component drives the connecting test component to move downwards and to press and supply power with the DC/DC switch power supply, the clicking program starts to test, the program tests all parameters of the DC/DC switch power supply according to the set test flow, the test result is compared with indexes, and whether all performance parameters are qualified is automatically judged. If a problem occurs in the testing process, the testing system automatically pops up a dialog box to inquire about the next testing requirement, and executes the next operation according to the requirement.
Specifically, the DC/DC switching power supply mainly performs the following performance parameter tests:
detection of load effect: automatically adjusting the electronic load 14 to present an empty state, and recording the value of the output voltage Vf; automatically adjusting the electronic load 14 to 90A, and recording the value of the output voltage Ve; automatically using the formula-Vf-Ve-rated output voltage x 100% to calculate if it is less than or equal to + -1%.
And (3) automatically detecting the external dimension and the installation dimension: when the external dimension, the mounting aperture of the switching power supply are smaller and the distance between the mounting apertures is wrong, the measurement and control software prompts that the dimension is unqualified.
Source effect detection: detecting the values of output voltages in overvoltage and undervoltage detection links, and respectively recording output voltage values V0, vmin and Vmax corresponding to voltages of 220V, 176V and 264V when the load is full; whether or not less than + -1% is calculated using the larger value/V0×100% of the formulae |V0-Vmin| and |Vmax-V0|.
And (3) efficiency detection: and when the 380V alternating current power supply 4 supplies power at 220V and is loaded at 90A, whether the calculation efficiency meets the requirement is calculated by utilizing the ratio of the output power to the input power.
And (3) detecting output characteristics: recording time t1 when the output voltage rises from 10% to 90% under rated load; the output voltage at rated load is raised from 90% to 10% for time t2. The frequency of the electronic load 14 is controlled at the highest frequency specified by each power module, the load is loaded to 90% full load from 10% no load, the amplitude time for the test output voltage to return to within the normal standard range is measured, and the oscilloscope 16 value is read and calculated.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. An automatic test system for an industrial power supply of a fiber laser, comprising: the test device comprises a test extension, an electronic load, an industrial personal computer, a 380V alternating current power supply and a test fixture, wherein the test extension, the electronic load, the industrial personal computer and the 380V alternating current power supply are all connected with the test fixture; detecting performance parameters of a switching power supply installed on the test tool;
wherein, the test fixture includes AC/DC test fixture, AC/DC test fixture includes: the translation movement mechanism is arranged in the first test case and used for installing an AC/DC switching power supply to be tested; the power input pressing mechanism and the power output pressing mechanism are both arranged in the first test case, are positioned above the translational motion mechanism, and can be in contact with the AC/DC switching power supply arranged on the translational motion mechanism so as to supply power to the AC/DC test tool and collect operation information of different circuits of the AC/DC switching power supply; the LED lamp signal acquisition mechanism is arranged on the power output pressing mechanism and can correspond to the position of an LED signal lamp of the AC/DC switching power supply so as to acquire LED signal parameters of the AC/DC switching power supply;
the power input pressing mechanism comprises: the device comprises a first air cylinder, a first guide rod, a first connecting plate and a first probe, wherein the first air cylinder is arranged on the side wall of a first test machine box, the bottom of the first guide rod is arranged on the bottom surface of the first test machine box and penetrates through the first connecting plate, the first connecting plate is arranged at the lower part of the first air cylinder and connected with the first air cylinder, and the first connecting plate can move up and down along the first guide rod under the driving of the first air cylinder;
the power input pressing mechanism further comprises: the second air cylinder is arranged in the first test machine box, the second connecting plate is connected with the second air cylinder and driven by the second air cylinder, the second connecting plate can horizontally move in the first test machine box and move to the lower part of the first probe, the first reed is arranged on the second connecting plate, and when the first reed moves to the lower part of the first probe, the first probe moves downwards under the driving of the first air cylinder, further contacts with the first reed and compresses the first reed, so that the first reed and the AC/DC switch power supply to be tested are pressed and supplied with power;
the testing extension is used for collecting signals of the switching power supply and interacting with information of the switching power supply; and measurement and control software and a database are arranged in the industrial personal computer so as to detect and store the data of the switching power supply.
2. The automatic industrial power supply testing system for the fiber laser according to claim 1, wherein a communication control module and a detection module are arranged in the testing tool, and the communication control module is electrically connected with the testing extension; the detection module is electrically connected with the industrial control computer.
3. The automatic test system for industrial power supply of fiber laser according to claim 1, wherein an IO control module is further provided in the test fixture to detect whether the switching power supply can be normally turned off.
4. The automatic test system for the industrial power supply of the fiber laser according to claim 1, wherein the test fixture is provided with an audible and visual warning lamp for warning of unqualified items of the switching power supply in the detection process.
5. The automatic industrial power supply testing system for fiber optic lasers of claim 1, wherein said LED lamp signal acquisition mechanism includes a plurality of light sensitive tubes to acquire LED signals of said AC/DC switching power supply.
6. The automatic test system for an industrial power supply of a fiber laser of claim 1, wherein the test fixture further comprises a DC/DC test fixture comprising:
the second test case is provided with a support frame, and the DC/DC switching power supply to be tested is arranged on the second test case;
the driving assembly is mounted on the supporting frame;
the connection test assembly is arranged at the lower part of the driving assembly and can be pressed with the DC/DC switching power supply to be tested under the drive of the driving assembly so as to collect the performance parameters of the DC/DC switching power supply to be tested.
7. The automatic test system for an industrial power supply of a fiber laser of claim 1, further comprising: the reverse irrigation power supply and the direct current power supply are electrically connected with the test tool.
8. The automated testing system of claim 7, further comprising a power integrated testing cabinet, wherein the testing extension, the electronic load, the industrial personal computer, the reverse-current power supply, and the dc power supply are all disposed within the power integrated testing cabinet.
9. The automated test system for fiber optic lasers of claim 8, further comprising an oscilloscope and a removable display, the oscilloscope and the removable display being mounted on the integrated power test rack.
CN202011249697.8A 2020-11-10 2020-11-10 Industrial power supply automatic test system for fiber laser Active CN112505574B (en)

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CN201373911Y (en) * 2009-02-23 2009-12-30 深圳市联欣科技有限公司 Integrated test system for switch power source
CN204439803U (en) * 2015-01-15 2015-07-01 东莞市沃锐电子有限公司 A kind of many connecting plates testing apparatus for the test of power supply semi-manufacture
CN204439809U (en) * 2015-01-15 2015-07-01 东莞市沃锐电子有限公司 A kind of power supply integral test system
CN207352137U (en) * 2017-09-15 2018-05-11 东莞市拓克硕自动化有限公司 A kind of adaptor power supplies Auto-Test System
CN209821361U (en) * 2019-02-26 2019-12-20 飞毛腿电池有限公司 Portable power source PCB board test fixture
CN109917276A (en) * 2019-04-15 2019-06-21 天地(常州)自动化股份有限公司 Multifunction circuit board automatic test equipment, test macro and test method
CN111487554A (en) * 2020-03-17 2020-08-04 北京交通大学 Automatic testing system and method for direct current-to-direct current power supply module

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