CN216199078U - Novel high-temperature high-pressure pump performance test device - Google Patents

Novel high-temperature high-pressure pump performance test device Download PDF

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Publication number
CN216199078U
CN216199078U CN202122454423.9U CN202122454423U CN216199078U CN 216199078 U CN216199078 U CN 216199078U CN 202122454423 U CN202122454423 U CN 202122454423U CN 216199078 U CN216199078 U CN 216199078U
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test
temperature
pressure
sensor
temperature sensor
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代泽洪
徐艳超
聂程程
吴小华
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WUHAN HAIBORUI TECHNOLOGY CO LTD
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WUHAN HAIBORUI TECHNOLOGY CO LTD
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Abstract

The utility model relates to the technical field of performance testing of high-temperature and high-pressure centrifugal pumps, in particular to a novel performance testing device for a high-temperature and high-pressure pump. The system comprises a plurality of groups of closed circulation test loops which are connected in parallel, wherein each group of closed circulation test loops comprises a plurality of test stations, and can be used for simultaneously testing the performance of a plurality of centrifugal pumps with different models and different working pressures and temperatures; the oxygen removal filter and the ion filter are arranged, so that the oxygen content and the ion content of the test medium can be reduced, and the requirement of using oxygen removal deionized water as the test medium is met by matching with a nitrogen sealing device for air isolation; the voltage stabilizer, the electric heater and the water cooler are arranged, so that the test pressure and temperature of each test loop can be adjusted; the automatic control system and the automatic control equipment such as the measurement and control system, the temperature sensor, the pressure sensor, the flowmeter, the electric control valve and the like are arranged, so that various performance parameters of the test pump can be acquired, and the acquired data can be processed in a standardized manner.

Description

Novel high-temperature high-pressure pump performance test device
Technical Field
The utility model relates to the technical field of performance testing of high-temperature and high-pressure centrifugal pumps, in particular to a novel performance testing device for a high-temperature and high-pressure pump.
Background
The existing centrifugal pump hydraulic performance test and reliability test device at home and abroad has the following defects:
1. the testing temperature and the testing pressure are insufficient, most of the testing devices at home and abroad aim at a normal-temperature centrifugal pump at present, a high-temperature high-pressure centrifugal pump is rarely involved, and the testing requirements cannot be met when the centrifugal pump is operated at a temperature of more than 200-300 ℃ and at a pressure of more than 5.5-7.5 MPa;
2. the performance test of a plurality of centrifugal pumps of different types, different working pressures and different working temperatures cannot be met, and especially under the condition that reliability tests of a plurality of pumps are required for more than thousands of hours, a single pump is tested in sequence, so that the consumed time is too long, and the time cost is increased;
3. the traditional testing device mainly takes manpower as a main part for the collection of test parameters and the control of equipment during the operation of the pump, and cannot realize the functions of automatic control and automatic collection;
4. the test medium is single, the traditional test device can only use common water as the medium to carry out the test, and can not use deionized water and deoxygenated water as the test medium to carry out the test, and the centrifugal pumps of many domestic and foreign high-temperature and high-pressure systems need to use deionized water and deoxygenated water as the working medium.
At present, the ship field and the nuclear industry field at home and abroad have the development requirements of high-temperature and high-pressure centrifugal pumps with various models, but a testing device for hydraulic performance test and reliability test of the high-temperature and high-pressure centrifugal pumps is lacked. Therefore, the performance testing device for the high-temperature and high-pressure centrifugal pump is imperative to research and develop a novel high-integration, multifunctional and high-automation high-temperature and high-pressure centrifugal pump.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the utility model provides a novel high-temperature and high-pressure pump capability test device can carry out capability test to many centrifugal pumps of different models, different operating pressure and temperature simultaneously, and degree of automation is high, and the test result is accurate reliable, and can practice thrift experimental time cost and cost of labor by a wide margin.
In order to solve the technical problems, the utility model adopts the technical scheme that: a novel high-temperature and high-pressure pump performance testing device comprises a water supply unit, a testing unit and a measurement and control system 21, wherein the water supply unit and the testing unit are connected through a pipeline 13, and a test medium 22 is filled in the pipeline 13;
the water supply unit comprises a deoxidizing filter 7, an ion filter 8, a nitrogen-sealed water tank 9 and a water replenishing pump 11, wherein the nitrogen-sealed water tank 9 is provided with a nitrogen input interface I23, a liquid level sensor I20, a temperature sensor II 24, a pressure sensor II 25 and a pressure gauge 26, and a ball valve I10 and a one-way valve 12 are respectively arranged on a loop where the head end and the tail end of the water replenishing pump 11 are located;
the testing unit comprises a plurality of groups of closed circulation testing loops which are connected in parallel, each group of closed circulation testing loops is provided with a water cooler 1, an electric heater 2, a temperature sensor I5 and a voltage stabilizer 6, the loop where the water cooler 1 is located is provided with an electric regulating valve I3, the loop where the electric heater 2 is located is provided with a stop valve I4, the voltage stabilizer 6 is provided with a nitrogen input interface II 27, a temperature sensor III 28, a pressure sensor III 29 and a liquid level sensor II 30, each group of closed circulation testing loops comprises a plurality of testing stations 16 which are connected in parallel, and the loop where each testing station 16 is located is provided with a stop valve II 31, an electric regulating valve II 32, a flowmeter 14, a pressure sensor I15, a flexible connecting pipe 17, a temperature sensor IV 33, a filter 18 and an electric stop valve 19;
the measurement and control system 21 is used for acquiring data of the water supply unit and the test unit, storing and processing the data, and controlling the water supply unit and the test unit.
Preferably, the measurement and control system 21 comprises a PLC control system 35 and an upper computer 34, wherein the PLC control system 35 is used for acquiring data of the temperature sensor I5, the flow meter 14, the pressure sensor I15, the liquid level sensor I20, the temperature sensor II 24, the pressure sensor II 25, the temperature sensor III 28, the pressure sensor III 29, the liquid level sensor II 30, the temperature sensor IV 33 and the test station 16, and controlling the water cooler 1, the electric heater 2, the electric regulating valve I3, the voltage stabilizer 6, the water replenishing pump 11, the electric stop valve 19 and the electric regulating valve II 32; the upper computer 34 is used for storing and processing data collected by the PLC control system 35.
Preferably, the test medium 22 is converted into an oxygen-removing and deionizing medium after passing through the oxygen-removing filter 7 and the ion filter 8, and the oxygen-removing and deionizing medium is stored in the nitrogen-sealed water tank 9 and is conveyed to the closed-cycle test loop through the water replenishing pump 11.
Preferably, the water cooler 1 and the electric heater 2 are arranged in parallel, and the temperature sensor i 5 is arranged at the intersection of a loop where the water cooler 1 is located and a loop where the electric heater 2 is located.
Preferably, the test station 16 is provided with a water pump mounting base, and a vibration isolator is arranged on the mounting base.
Preferably, two flexible connecting pipes 17, two pressure sensors i 15 and two temperature sensors iv 33 are provided, and are respectively provided on a loop where the head end and the tail end of the testing station 16 are located.
Preferably, the deoxidizing filter 7 is a redox resin deaerator, and the nitrogen-sealed water tank 9 and the pipeline 13 are both made of 304 stainless steel.
Preferably, the water cooler 1, the electric heater 2 and the voltage stabilizer 6 are made of 304 stainless steel.
Preferably, the flexible connecting pipe 17 is a corrugated pipe.
Preferably, the flow meter 14 is a differential pressure type flow meter, and the allowable pressure drop is less than or equal to 20 Kpa; the pressure sensor I15, the pressure sensor II 25 and the pressure sensor III 29 adopt pressure transmitters, and the measurement error is less than or equal to 0.2 percent; the temperature sensor I5, the temperature sensor II 24, the temperature sensor III 28 and the temperature sensor IV 33 adopt armored thermocouple type temperature sensors.
Compared with the prior art, the utility model has the following main advantages:
1. the testing device is provided with a plurality of groups of closed circulation testing loops which are connected in parallel, each group of closed circulation testing loops comprises a plurality of testing stations, and the testing temperature and the testing pressure of each group of closed circulation testing loops can be independently adjusted, so that the functional requirements of simultaneously carrying out performance testing on a plurality of centrifugal pumps of different models and working pressures and temperatures can be met, and the testing time cost and the labor cost can be greatly saved;
2. the testing device is provided with the deoxidizing filter and the ion filter, so that the oxygen content and the ion content of a testing medium can be reduced, and the testing device is matched with a nitrogen sealing device for air isolation, so that the requirement of using deoxidizing deionized water as the testing medium is met, the testing medium is consistent with the actual working medium of the high-temperature high-pressure pump, and the accuracy of a testing result can be improved;
3. the testing device is provided with the voltage stabilizer, the pressure of the testing loop can be adjusted according to the testing requirement, and the electric heater and the water cooler are arranged at the same time, so that the temperature adjustment of the testing loop can be realized, and the testing environment requirements of a high-temperature high-pressure pump hydraulic performance test and a reliability test are further met;
4. the test device is provided with an automatic control system and an automatic control device such as a measurement and control system, a temperature sensor, a pressure sensor, a flowmeter and an electric control valve, collects various performance parameters of the test pump through an upper computer and a PLC control system, carries out standardized processing on collected data, produces test reports, can greatly improve data collection accuracy, reduce human interference factors, enhance traceability and improve work efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of the high-temperature high-pressure pump performance testing device according to the present invention;
FIG. 2 is a schematic view of a water supply unit according to the present invention;
FIG. 3 is a schematic diagram of a test cell structure according to the present invention;
FIG. 4 is a schematic diagram of the measurement and control system wiring of the present invention.
In the figure: 1. a water cooler; 2. an electric heater; 3. an electric regulating valve I; 4. a stop valve I; 5. a temperature sensor I; 6. a voltage regulator; 7. a deoxygenation filter; 8. an ion filter; 9. a nitrogen-sealed water tank; 10. a ball valve I; 11. a water replenishing pump; 12. a one-way valve; 13. a pipeline; 14. a flow meter; 15. a pressure sensor I; 16. a test station; 17. a flexible adapter tube; 18. a filter; 19. an electrically operated shutoff valve; 20. a liquid level sensor I; 21. a measurement and control system; 22. a test medium; 23. a nitrogen input interface I; 24. a temperature sensor II; 25. a pressure sensor II; 26. a pressure gauge; 27. a nitrogen input interface II; 28. a temperature sensor III; 29. a pressure sensor III; 30. a liquid level sensor II; 31. a stop valve II; 32. an electric regulating valve II; 33. a temperature sensor IV; 34. an upper computer; 35. and (4) a PLC control system.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
As shown in fig. 1, the novel high-temperature high-pressure pump performance testing device comprises a water supply unit, a testing unit and a measurement and control system, wherein the water supply unit and the testing unit are connected through a pipeline 13, and a test medium 22 is filled in the pipeline 13.
(1) Water supply unit
As shown in fig. 2, the water supply unit mainly includes an oxygen removal filter 7, an ion filter 8, a nitrogen-sealed water tank 9, and a water replenishment pump 11.
The oxygen removal filter 7 can reduce the oxygen content in the test medium 22, and the oxygen content is controlled within a standard range;
the ion filter 8 can further remove the ion content in the test medium 22 so that the test medium meets the standard of deionized water;
the test medium 22 is converted into an oxygen-removing and ion-removing medium (the oxygen content and the ion content are both controlled in a standard range) after passing through the oxygen-removing filter 7 and the ion filter 8, and then is stored in a nitrogen-sealed water tank 9;
the nitrogen-sealed water tank 9 is provided with a liquid level sensor I20, a temperature sensor II 24, a pressure sensor II 25 and a pressure gauge 26, the storage condition of a test medium in the tank is monitored in real time, after the nitrogen-sealed water tank 9 is filled with nitrogen from a nitrogen input interface I23, the deoxidizing and deionizing medium can be prevented from directly contacting with air, and the nitrogen-sealed water tank 9 provides a stable water source for the whole testing device;
a ball valve I10 and a one-way valve 12 are respectively arranged on a loop where a water inlet end and a water outlet end of the water replenishing pump 11 are located, and the water replenishing pump 11 can convey a deoxidizing and deionizing medium in the nitrogen sealed water tank 9 to a testing unit.
Furthermore, the deoxidizing filter adopts a redox resin deaerator. The nitrogen-sealed water tank and the water supply pipeline are made of 304 stainless steel materials with good high temperature resistance and corrosion resistance, and the cleanness of the test system can be guaranteed.
(2) Test unit
As shown in fig. 3, the test unit includes a plurality of sets of parallel closed-cycle test loops, two sets in this example. Each group of closed circulation test loops are provided with a corresponding water cooler 1, an electric heater 2, a temperature sensor I5 and a voltage stabilizer 6.
Water cooler 1 and electric heater 2 take the parallel design, are equipped with electrical control valve I3 in the return circuit of water cooler 1 place, are equipped with stop valve I4 in the return circuit of electric heater 2 place, and two return circuits intersection is equipped with temperature sensor I5, electrical control valve I3 adjusts water cooler 1 flow according to temperature sensor I5's signal feedback, electric heater 2 adjusts heating power according to temperature sensor I5's signal feedback, and the two cooperatees and then makes each test loop establish and keep required test temperature.
The voltage stabilizer 6 is provided with a nitrogen input interface II 27, a temperature sensor III 28, a pressure sensor III 29 and a liquid level sensor II 30, and the nitrogen input quantity is controlled according to the signal feedback of each sensor, so that each test loop is established and kept at the required test pressure.
Further, each set of closed loop test circuits includes a plurality of parallel test stations 16, two in this example. And a circuit on which each test station 16 is positioned is provided with a stop valve II 31, an electric regulating valve II 32, a flow meter 14, a pressure sensor I15, a flexible connecting pipe 17, a temperature sensor IV 33, a filter 18 and an electric stop valve 19. Can be used for the test and the measurement of various test data.
Two flexible connecting pipes 17, two pressure sensors I15 and two temperature sensors IV 33 are arranged and are respectively arranged on a loop where the head end and the tail end of the testing station 16 are located.
The test station 16 can meet the requirements of hydraulic performance (flow, lift, power, efficiency and cavitation margin) and reliability tests of the pump. The pump test station customizes a special mounting base for various pumps, and the base is provided with a vibration isolator and is elastically connected with a test pump, so that the working condition of the pump vibration test is met.
The opening degree of the electric control valve II 32 is controlled according to the signal feedback of the flowmeter 14, so that the test requirement of the test pump under the variable flow working condition can be met.
After the stop valve II 31 and the electric stop valve 19 are closed, the corresponding test station loops can be independent, and other test station loops are not influenced.
Furthermore, the electric heater and the water cooler are made of 304 stainless steel, and the design pressure, the design temperature, the power and the like are calculated to meet the test requirements; the material of the tank body of the voltage stabilizer is 304 stainless steel, which meets the requirements of corrosion resistance and high temperature resistance; the flexible nipple 17 is embodied as a metal bellows.
(3) Measurement and control system
As shown in fig. 4, the measurement and control system includes a PLC control system 35 and an upper computer 34 (including customized software), and can control the start of the electrical device of the entire testing apparatus, the switching and adjustment of the electrically operated valve, and the power adjustment of the electric heater, and can acquire the test data of each sensor in real time, and store and process the test data.
Specifically, the PLC control system 35 is configured to collect monitoring data of the temperature sensor i 5, the flow meter 14, the pressure sensor i 15, the liquid level sensor i 20, the temperature sensor ii 24, the pressure sensor ii 25, the temperature sensor iii 28, the pressure sensor iii 29, the liquid level sensor ii 30, the temperature sensor iv 33, and test data of the test pump on the test station 16, and send the monitoring data to the upper computer 34, and receive a signal from the upper computer 34, and then control the water cooler 1, the electric heater 2, the electric control valve i 3, the voltage stabilizer 6, the water replenishing pump 11, the electric stop valve 19, and the electric control valve ii 32.
The upper computer 34 is used for storing and processing data acquired by the PLC control system and sending a control signal to the PLC control system.
Further, the flow meter 14 adopts a differential pressure type flow meter, and the allowable pressure drop is less than or equal to 20 Kpa; the pressure sensor I15, the pressure sensor II 25 and the pressure sensor III 29 adopt pressure transmitters, and the measurement error is less than or equal to 0.2 percent; the temperature sensor I5, the temperature sensor II 24, the temperature sensor III 28 and the temperature sensor IV 33 adopt armored thermocouple type temperature sensors.
In summary, the novel high-temperature high-pressure pump performance testing device is adopted:
1. by arranging a plurality of groups of closed circulation test loops connected in parallel, each group of closed circulation test loops comprises a plurality of test stations, the test loops and the test stations can be expanded, and the test temperature and the test pressure of each group of closed circulation test loops can be independently adjusted, so that the functional requirements of simultaneously carrying out performance tests on a plurality of centrifugal pumps of different models and different working pressures and temperatures can be met, and the test time cost and the labor cost can be greatly saved;
2. the oxygen content and the ion content of the test medium can be reduced by arranging the oxygen removal filter and the ion filter, and the oxygen removal filter and the ion filter are matched with a nitrogen sealing device for air isolation, so that the requirement of using oxygen removal deionized water as the test medium is met, the test medium is consistent with the actual working medium of the high-temperature high-pressure pump, the accuracy of the test result can be improved, and the defect of single test medium is overcome;
3. by arranging the voltage stabilizer, the pressure of the test loop can be adjusted according to test requirements, and a high-pressure test environment of 0-7.5 MPa can be established; the electric heater and the water cooler are arranged at the same time, so that the temperature regulation of a test loop can be realized, and a test medium can be heated to 300 ℃, thereby meeting the test environment requirements of a high-temperature high-pressure pump hydraulic performance test and a reliability test;
4. by arranging the automatic control systems and automatic control equipment such as the measurement and control system, the temperature sensor, the pressure sensor, the flow meter and the electric control valve, various performance parameters of the test pump are acquired through the upper computer and the PLC control system, acquired data are subjected to standardized processing, test reports are produced, data acquisition accuracy can be greatly improved, human interference factors are reduced, traceability is enhanced, and working efficiency is improved.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that variations and modifications of the present invention may occur to those skilled in the art without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a novel high-temperature and high-pressure pump performance test device which characterized in that: the device comprises a water supply unit, a test unit and a measurement and control system (21), wherein the water supply unit is connected with the test unit through a pipeline (13), and a test medium (22) is arranged in the pipeline (13);
the water supply unit comprises a deoxidizing filter (7), an ion filter (8), a nitrogen-sealed water tank (9) and a water replenishing pump (11), wherein the nitrogen-sealed water tank (9) is provided with a nitrogen input interface I (23), a liquid level sensor I (20), a temperature sensor II (24), a pressure sensor II (25) and a pressure gauge (26), and a ball valve I (10) and a one-way valve (12) are respectively arranged on a loop where the head end and the tail end of the water replenishing pump (11) are arranged;
the test unit includes the parallelly connected closed circulation test circuit of multiunit, and every group closed circulation test circuit all is equipped with water cooler (1), electric heater (2), temperature sensor I (5) and stabiliser (6), be equipped with electric control valve I (3) on water cooler (1) place return circuit, be equipped with stop valve I (4) on electric heater (2) place return circuit, stabiliser (6) are equipped with nitrogen gas input interface II (27), temperature sensor III (28), pressure sensor III (29) and level sensor II (30), every group closed circulation test circuit all contains a plurality of parallelly connected test station (16), all is equipped with stop valve II (31), electric control valve II (32), flowmeter (14), pressure sensor I (15), flexible takeover (17) on every test station (16) place return circuit, A temperature sensor IV (33), a filter (18) and an electric stop valve (19);
and the measurement and control system (21) is used for acquiring data of the water supply unit and the test unit, storing and processing the data, and controlling the water supply unit and the test unit.
2. The novel high-temperature and high-pressure pump performance testing device according to claim 1, characterized in that: the measurement and control system (21) comprises a PLC control system (35) and an upper computer (34), wherein the PLC control system (35) is used for acquiring data of the temperature sensor I (5), the flowmeter (14), the pressure sensor I (15), the liquid level sensor I (20), the temperature sensor II (24), the pressure sensor II (25), the temperature sensor III (28), the pressure sensor III (29), the liquid level sensor II (30), the temperature sensor IV (33) and the test station (16), and controlling the water cooler (1), the electric heater (2), the electric regulating valve I (3), the voltage stabilizer (6), the water replenishing pump (11), the electric stop valve (19) and the electric regulating valve II (32); and the upper computer (34) is used for storing and processing data acquired by the PLC control system (35).
3. The novel high-temperature and high-pressure pump performance testing device according to claim 1, characterized in that: the test medium (22) is converted into a deoxygenation and deionization medium after passing through a deoxygenation filter (7) and an ion filter (8), and the deoxygenation and deionization medium is stored in the nitrogen-sealed water tank (9) and is conveyed to the closed circulation test loop through the water replenishing pump (11).
4. The novel high-temperature and high-pressure pump performance testing device according to claim 1 or 2, characterized in that: the water cooler (1) and the electric heater (2) are arranged in parallel, and the temperature sensor I (5) is arranged at the intersection of a loop where the water cooler (1) is located and a loop where the electric heater (2) is located.
5. The novel high-temperature and high-pressure pump performance testing device according to claim 1 or 2, characterized in that: the test station (16) is provided with a water pump mounting base, and a vibration isolator is arranged on the mounting base.
6. The novel high-temperature and high-pressure pump performance testing device according to claim 1, characterized in that: the two flexible connecting pipes (17), the two pressure sensors I (15) and the two temperature sensors IV (33) are respectively arranged on a loop where the head end and the tail end of the testing station (16) are located.
7. The novel high-temperature high-pressure pump performance testing device according to claim 1 or 3, characterized in that: deoxidization filter (7) adopt the redox resin oxygen-eliminating device, nitrogen-sealed water tank (9) and pipeline (13) material are 304 stainless steel.
8. The novel high-temperature and high-pressure pump performance testing device according to claim 1 or 2, characterized in that: the water cooler (1), the electric heater (2) and the voltage stabilizer (6) are made of 304 stainless steel.
9. The novel high-temperature and high-pressure pump performance testing device according to claim 1 or 6, characterized in that: the flexible connecting pipe (17) is a corrugated pipe.
10. The novel high-temperature and high-pressure pump performance testing device according to claim 1 or 2, characterized in that: the flowmeter (14) adopts a differential pressure type flowmeter, and the allowable pressure drop is less than or equal to 20 Kpa; the pressure sensor I (15), the pressure sensor II (25) and the pressure sensor III (29) adopt pressure transmitters, and the measurement error is less than or equal to 0.2%; the temperature sensor I (5), the temperature sensor II (24), the temperature sensor III (28) and the temperature sensor IV (33) adopt armored thermocouple type temperature sensors.
CN202122454423.9U 2021-10-12 2021-10-12 Novel high-temperature high-pressure pump performance test device Active CN216199078U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116448393A (en) * 2023-06-08 2023-07-18 深圳市星汉激光科技股份有限公司 Control method and device for automatic laser test, electronic device and storage medium
CN116698612A (en) * 2023-05-26 2023-09-05 株洲麦格米特电气有限责任公司 Control method of pressure test pump and pressure test pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116698612A (en) * 2023-05-26 2023-09-05 株洲麦格米特电气有限责任公司 Control method of pressure test pump and pressure test pump
CN116448393A (en) * 2023-06-08 2023-07-18 深圳市星汉激光科技股份有限公司 Control method and device for automatic laser test, electronic device and storage medium
CN116448393B (en) * 2023-06-08 2023-09-15 深圳市星汉激光科技股份有限公司 Control method and device for automatic laser test, electronic device and storage medium

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