CN114594749A - Integrated testing device of power battery management system - Google Patents
Integrated testing device of power battery management system Download PDFInfo
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- CN114594749A CN114594749A CN202210176847.XA CN202210176847A CN114594749A CN 114594749 A CN114594749 A CN 114594749A CN 202210176847 A CN202210176847 A CN 202210176847A CN 114594749 A CN114594749 A CN 114594749A
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- 238000012360 testing method Methods 0.000 title claims abstract description 105
- 238000004088 simulation Methods 0.000 claims abstract description 59
- 238000004378 air conditioning Methods 0.000 claims abstract description 30
- 238000007726 management method Methods 0.000 claims description 41
- 238000007789 sealing Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
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Abstract
The invention belongs to the technical field of power battery management system testing, in particular to an integrated testing device of a power battery management system, which comprises a main body component, a simulation component, an integrated testing component, an air conditioning component and a placing component, wherein the main body component comprises a test board, the simulation component and the integrated testing component are fixedly arranged on the upper surface of the test board, the air conditioning component is arranged on one side of the lower surface of the test board, the placing component is slidably clamped in the simulation component, the simulation component and the air conditioning component are adopted to facilitate the adjustment of the temperature in a simulation box body, an elastic belt and a vibrator are arranged on the placing component to facilitate the simulation of the running state of the power battery management system under different temperatures or vibration and bump states, and the power battery management system under different states can be tested conveniently through the integrated testing device main body, and through shielding case and shield door, reduce external interference when the test, improve the accuracy nature of test.
Description
Technical Field
The invention belongs to the technical field of power battery management system testing, and particularly relates to an integrated testing device of a power battery management system.
Background
The electric automobile drives the vehicle to run by electric energy, the instantaneous power can reach hundreds of kilowatts, the voltage range is from dozens of volts to hundreds of volts, the current can also reach plus or minus hundreds of amperes, the charging and discharging of large current and the output of high voltage mean that the power battery pack has very high electrical load requirements, the whole power battery pack is composed of a great number of power battery monomers, in order to effectively manage the power batteries, control the charging and discharging of the power battery pack and respond to the function requirements of the whole automobile layer, the power battery pack is provided with a set of power battery management system which is composed of components such as a sensor, an actuator, a controller and the like, the voltage, the current, the temperature and other data of the system are collected to carry out complex calculation and communicate with other parts of the whole automobile to complete specific functions, judge the operation boundary of the system and control the abnormal state of the system and the like, the power battery management system can be regarded as a brain of a power battery and mainly comprises a single monitoring unit and a power battery management unit, and when the power battery management system is manufactured, an integrated test, an assembly test or a combined test is required, namely, a program module is assembled in a one-time or proliferation mode, and a test work of checking the correctness of an interface of the system is carried out. The integration test is on the basis of unit test, assembles all modules into subsystem or system according to the design requirement, carries out the integration test, and then needs use integrated test device, but present integrated test device is when using, and the most unable state under the different environment of simulation power battery control system, and when testing, receives external influence easily, and the test is accurate, inconvenient use.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an integrated testing device of a power battery management system, which has the advantage of simulating testing in different states and solves the problem that the existing device is inconvenient to use.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: an integrated test device of a power battery management system comprises a main body component, a simulation component, an integrated test component, an air conditioning component and a placement component;
the main body component comprises a test board, the simulation component and the integrated test component are fixedly mounted on the upper surface of the test board, the air conditioning component is mounted on one side of the lower surface of the test board, the placement component is in sliding clamping connection with the inside of the simulation component, the external power battery management system is mounted on the upper surface of the placement component, the air conditioning component is communicated with the simulation component, the simulation component is electrically connected with the integrated test component, a power supply module is fixedly mounted in the middle of the lower surface of the test board, the power supply module supplies power to the power battery management system on the placement component, the power battery management system on the placement component is electrically connected with the integrated test component, and a display device is fixedly mounted on one side of the upper surface of the test board, and the integrated test component is electrically connected with the display device.
Preferably, the even fixed mounting of lower surface of testboard has the support frame, just the upper surface of testboard is located one side fixed mounting of display device has the control panel, control panel electric connection integrated test subassembly the air conditioning subassembly with place the subassembly.
By adopting the scheme, the integrated testing assembly, the air conditioning assembly and the placing assembly in the invention can be conveniently controlled through the control panel, and the power supply module and the air conditioning assembly can be conveniently installed through the support frame.
Preferably, the simulation assembly comprises a simulation box body, an inner cavity is formed in the simulation box body, sliding grooves are fixedly arranged on two sides of the inner cavity, the placement assembly is slidably clamped in the sliding grooves, the inner side of the simulation box body is located in the outer side of the inner cavity, an air passing cavity is formed in the outer side of the inner cavity, an air outlet pipe is fixedly arranged on one side of the simulation assembly and communicated with the air passing cavity, an air inlet hole is formed in one side of the lower end of the simulation box body, the air conditioning assembly is communicated with the air inlet hole, the air conditioning assembly is communicated with the air passing cavity, a wiring hole is formed in one side of the simulation box body, clamping blocks are fixedly arranged at two ends of one side of the simulation box body, and a sealing plate is clamped between the clamping blocks.
By adopting the above scheme, through the spout, be convenient for right place the subassembly and install, be convenient for right place the subassembly and carry out the push-and-pull, and then conveniently install and dismantle power battery management system, convenient operation, and pass through the air cavity, it is right to be convenient for gas pass through the air cavity the inside temperature of simulation box is adjusted, and passes through the outlet duct is discharged, makes things convenient for gas flow.
Preferably, the integrated test assembly comprises a shielding box, an integrated test device main body is fixedly mounted inside the shielding box, the integrated test assembly is electrically connected with the display device, and a shielding door is connected to one side of the shielding box in a sliding and clamping mode.
By adopting the scheme, the shielding box and the shielding door can avoid external interference and improve the testing accuracy when testing.
Preferably, the air conditioning subassembly includes air pump and vortex tube, just the air pump with the equal fixed mounting of vortex tube is in lower surface one side of testboard, the end of giving vent to anger of air pump is fixed with the air supply pipe, just the other end of air supply pipe with the inlet end of vortex tube communicates mutually, the air conditioning end fixed mounting of vortex tube has first conveyer pipe, just the lower fixed mounting of testboard has the intake pipe, the intake pipe with the inlet port is linked together, just the other end of first conveyer pipe with the intake pipe is linked together, the hot gas end fixed mounting of vortex tube has the second conveyer pipe, just the other end of second conveyer pipe with the intake pipe is linked together.
By adopting the above scheme, through the vortex tube, be convenient for right the high-pressure gas that the air pump blew off carries out cold and hot separation, and then is convenient for right the inside temperature of simulation box is adjusted, convenient operation.
Preferably, a first three-way pipe is fixedly installed at the middle position of the first conveying pipe, a first electromagnetic valve is fixedly installed between the first three-way pipe and the air inlet pipe on the first conveying pipe, a second electromagnetic valve is fixedly installed at the other end of the first three-way pipe, a second three-way pipe is fixedly installed at the middle position of the second conveying pipe, a third electromagnetic valve is fixedly installed between the second three-way pipe and the air inlet pipe on the second conveying pipe, and a fourth electromagnetic valve is fixedly installed at one end of the second three-way pipe.
Through adopting above-mentioned scheme, through first conveyer pipe with the second conveyer pipe is convenient for switch over air conditioning or steam, is convenient for adjust the inside temperature of simulation box.
Preferably, place the subassembly including removing the deckle board, just remove the deckle board and articulate the inside of spout, the inboard even fixed mounting elastic band that removes the deckle board, just fixed mounting has the mounting panel between the elastic band, waist type hole has evenly been seted up on the mounting panel, and outside power battery management system installs on the mounting panel, just the lower surface intermediate position fixed mounting of mounting panel has the vibrator.
Through adopting above-mentioned scheme, through the vibrator is convenient for drive the mounting panel is in moving frame's inside is passed through the elastic webbing shakes, and then is convenient for simulate the running state of the power battery management system under the state of jolting, facilitates the use.
(III) advantageous effects
Compared with the prior art, the invention provides an integrated testing device of a power battery management system, which has the following beneficial effects:
this technical scheme adopts simulation subassembly and air conditioning subassembly, be convenient for adjust the inside temperature of simulation box, and then be convenient for under different temperatures, power battery management system's running state, and through installing elastic webbing and vibrator on placing the subassembly, be convenient for simulate the running state of power battery management system under the state of jolting in vibrations, and through the integrated testing arrangement main part, be convenient for test power battery management system under the different states, and pass through shielded cell and shielded gate, reduce external interference when the test, improve the accuracy nature of test.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention;
FIG. 3 is a schematic diagram of the overall structure of the present invention after being turned over;
FIG. 4 is a schematic view of the entire structure of the testing platform of the present invention viewed from the bottom;
FIG. 5 is a partially broken away schematic view of a simulation assembly according to the present invention;
FIG. 6 is a partial schematic view of an integrated test assembly according to the present invention;
FIG. 7 is a schematic view of the overall structure of the opening adjustment assembly of the present invention;
FIG. 8 is a schematic view of the overall structure of the placement module of the present invention;
in the figure:
1. a body assembly; 11. a test bench; 12. a power supply module; 13. a display device; 14. a support frame; 15. a control panel;
2. a simulation component; 21. simulating a box body; 22. an inner cavity; 23. a chute; 24. a gas passing cavity; 25. an air outlet pipe; 26. an air inlet; 27. a wiring hole; 28. a clamping block; 29. a sealing plate;
3. integrating the test components; 31. a shielding box; 32. an integrated test device main body; 33. a shield door;
4. an air conditioning assembly; 41. an air pump; 42. a vortex tube; 43. a gas supply pipe; 44. a first delivery pipe; 45. an air inlet pipe; 46. a second delivery pipe; 47. a first three-way pipe; 48. a first solenoid valve;
49. a second solenoid valve; 410. a second three-way pipe; 411. a third electromagnetic valve; 412. a fourth solenoid valve;
5. placing the component; 51. moving the frame plate; 52. an elastic band; 53. mounting a plate; 54. a kidney-shaped hole; 55. a vibrator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
An integrated test device of a power battery management system comprises a main body component 1, a simulation component 2, an integrated test component 3, an air conditioning component 4 and a placement component 5;
the main body component 1 comprises a test bench 11, the simulation component 2 and the integrated test component 3 are both fixedly arranged on the upper surface of the test bench 11, the air conditioning component 4 is arranged on one side of the lower surface of the test bench 11, the placing component 5 is clamped in the simulation component 2 in a sliding manner, the external power battery management system is arranged on the upper surface of the placing component 5, the air conditioning component 4 is communicated with the simulation component 2, the simulation component 2 is electrically connected with the integrated test component 3, the middle position of the lower surface of the test bench 11 is fixedly provided with a power supply module 12, the power supply module 12 supplies power to a power battery management system on the placing component 5, and the power battery management system on the placing component 5 is electrically connected with the integrated testing component 3, a display device 13 is fixedly installed on one side of the upper surface of the testing platform 11, and the integrated testing component 3 is electrically connected with the display device 13.
The lower surface of the test platform 11 is uniformly and fixedly provided with a support frame 14, a control board 15 is fixedly arranged on one side, located on the display device 13, of the upper surface of the test platform 11, and the control board 15 is electrically connected with the integrated test component 3, the air conditioning component 4 and the placement component 5.
The integrated test assembly 3 comprises a shielding box 31, an integrated test device main body 32 is fixedly mounted inside the shielding box 31, the integrated test assembly 3 is electrically connected with the display device 13, and a shielding door 33 is clamped on one side of the shielding box 31 in a sliding manner.
Referring to fig. 1-8, when in use, the power battery management system to be tested is installed on the placement component 5 and electrically connected with the integrated test component 3, and pushed into the inside of the simulation box 21, and sealed by the sealing plate 29, the air conditioning component 4 is controlled by the control board 15, the temperature inside the simulation box 21 is conveniently adjusted, the operation states of the power battery management system at different temperatures are simulated, the information to be tested is conveniently displayed on the display device 13 by the integrated test component 3, and the integrated test device main body 32 is shielded by the shielding box 31 and the shielding door 33 when in test, so that external interference is prevented, the test accuracy is improved, and the use is facilitated.
Example two
The way of adjusting the internal temperature of the simulation tank 21 is added to the first embodiment.
The air conditioning assembly 4 comprises an air pump 41 and a vortex tube 42, the air pump 41 and the vortex tube 42 are fixedly mounted on one side of the lower surface of the test platform 11, an air supply pipe 43 is fixed to an air outlet end of the air pump 41, the other end of the air supply pipe 43 is communicated with an air inlet end of the vortex tube 42, a first conveying pipe 44 is fixedly mounted to a cold air end of the vortex tube 42, an air inlet pipe 45 is fixedly mounted on the lower surface of the test platform 11, the air inlet pipe 45 is communicated with the air inlet hole 26, the other end of the first conveying pipe 44 is communicated with the air inlet pipe 45, a second conveying pipe 46 is fixedly mounted to a hot air end of the vortex tube 42, and the other end of the second conveying pipe 46 is communicated with the air inlet pipe 45.
A first three-way pipe 47 is fixedly installed at the middle position of the first conveying pipe 44, a first electromagnetic valve 48 is fixedly installed between the first three-way pipe 47 and the air inlet pipe 45 on the first conveying pipe 44, a second electromagnetic valve 49 is fixedly installed at the other end of the first three-way pipe 47, a second three-way pipe 410 is fixedly installed at the middle position of the second conveying pipe 46, a third electromagnetic valve 411 is fixedly installed between the second three-way pipe 410 and the air inlet pipe 45 on the second conveying pipe 46, and a fourth electromagnetic valve 412 is fixedly installed at one end of the second three-way pipe 410.
Referring to fig. 1 to 8, when temperature adjustment is required, the temperature inside the simulation box 21 is conveniently adjusted by controlling cold air or hot air in the air conditioning assembly 4 to enter the inside of the air passing chamber 24 and to be discharged through the air outlet pipe 25, and when temperature reduction is required, the air pump 41 fills air into the inside of the vortex tube 42, high-pressure air is separated into cold and hot air through the vortex tube 42, the first solenoid valve 48 and the fourth solenoid valve 412 are opened, the second solenoid valve 49 and the third solenoid valve 411 are closed, cold air enters the inside of the air inlet pipe 45 through the first delivery pipe 44 and enters the inside of the air passing chamber 24, and hot air is discharged through the second tee pipe 410 to be conveniently cooled, and when heating is required, the second solenoid valve 49 and the third solenoid valve 411 are opened, and the first solenoid valve 48 and the fourth solenoid valve 412 are closed, hot air enters the inside of the air inlet pipe 45 through the second delivery pipe 46, and the cold air is discharged through the first three-way pipe 47, so that the temperature inside the simulation box body 21 is convenient to adjust and use.
EXAMPLE III
On the basis of the first embodiment, a mode for testing the external power battery management system during vibration is added.
The placing assembly 5 comprises a moving frame plate 51, the moving frame plate 51 is clamped in the sliding groove 23, an elastic belt 52 is uniformly and fixedly mounted on the inner side of the moving frame plate 51, a mounting plate 53 is fixedly mounted between the elastic belt 52, waist-shaped holes 54 are uniformly formed in the mounting plate 53, an external power battery management system is mounted on the mounting plate 53, and a vibrator 55 is fixedly mounted in the middle of the lower surface of the mounting plate 53.
Referring to fig. 1 to 8, when the vibration needs to be simulated, the vibrator 55 is turned on, so that the vibrator 55 drives the mounting plate 53 to vibrate inside the movable frame plate 51 through the elastic band 52, thereby facilitating the simulation of the operation state of the power battery management system in a vibration state, facilitating the use of the power battery management system, and facilitating the installation and use of the power battery management system through the waist-shaped hole 54.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an integrated testing arrangement of power battery management system which characterized in that: the device comprises a main body component (1), a simulation component (2), an integrated test component (3), an air conditioning component (4) and a placement component (5);
the main body component (1) comprises a test board (11), the simulation component (2) and the integrated test component (3) are fixedly mounted on the upper surface of the test board (11), the air conditioning component (4) is mounted on one side of the lower surface of the test board (11), the placement component (5) is slidably connected with the simulation component (2), an external power battery management system is mounted on the upper surface of the placement component (5), the air conditioning component (4) is communicated with the simulation component (2), the simulation component (2) is electrically connected with the integrated test component (3), a power supply module (12) is fixedly mounted in the middle of the lower surface of the test board (11), and the power supply module (12) supplies power to the power battery management system on the placement component (5), and the power battery management system on the placement component (5) is electrically connected with the integrated test component (3), a display device (13) is fixedly mounted on one side of the upper surface of the test bench (11), and the integrated test component (3) is electrically connected with the display device (13).
2. The integrated test device of a power battery management system according to claim 1, characterized in that: the lower surface of the test bench (11) is uniformly and fixedly provided with a support frame (14), the upper surface of the test bench (11) is located on one side of the display device (13) and is fixedly provided with a control panel (15), and the control panel (15) is electrically connected with the integrated test assembly (3), the air conditioning assembly (4) and the placement assembly (5).
3. The integrated test device of a power battery management system according to claim 1, characterized in that: the simulation assembly (2) comprises a simulation box body (21), an inner cavity (22) is formed in the simulation box body (21), sliding grooves (23) are fixedly arranged on two sides of the inner cavity (22), the placing assembly (5) is connected in the sliding grooves (23) in a sliding and clamping mode, a gas passing cavity (24) is formed in the inner side of the simulation box body (21) and located on the outer side of the inner cavity (22), an air outlet pipe (25) is fixedly arranged on one side of the simulation assembly (2), the air outlet pipe (25) is communicated with the gas passing cavity (24), an air inlet hole (26) is formed in one side of the lower end of the simulation box body (21), the air adjusting assembly (4) is communicated with the air inlet hole (26), the air adjusting assembly (4) is communicated with the gas passing cavity (24), and a wiring hole (27) is formed in one side of the simulation box body (21), clamping blocks (28) are fixedly mounted at two ends of one side of the simulation box body (21), and a sealing plate (29) is clamped between the clamping blocks (28).
4. The integrated test device of a power battery management system according to claim 1, characterized in that: integrated test subassembly (3) include shielded cell (31), just the inside fixed mounting of shielded cell (31) has integrated testing arrangement main part (32), integrated test subassembly (3) with display device (13) electric connection mutually, just one side slip joint of shielded cell (31) has shielding door (33).
5. The integrated test device of a power battery management system according to claim 3, wherein: the air conditioning assembly (4) comprises an air pump (41) and a vortex tube (42), the air pump (41) and the vortex tube (42) are both fixedly arranged on one side of the lower surface of the test bench (11), an air supply pipe (43) is fixed at the air outlet end of the air pump (41), and the other end of the air supply pipe (43) is communicated with the air inlet end of the vortex tube (42), a first conveying pipe (44) is fixedly arranged at the cold end of the vortex tube (42), an air inlet pipe (45) is fixedly arranged on the lower surface of the test bench (11), the air inlet pipe (45) is communicated with the air inlet hole (26), and the other end of the first delivery pipe (44) is communicated with the air inlet pipe (45), a second delivery pipe (46) is fixedly arranged at the hot gas end of the vortex tube (42), and the other end of the second delivery pipe (46) is communicated with the air inlet pipe (45).
6. The integrated test device of a power battery management system according to claim 5, wherein: the middle position of first conveyer pipe (44) fixed mounting has first three-way pipe (47), just lie in on first conveyer pipe (44) first three-way pipe (47) with fixed mounting has first solenoid valve (48) between intake pipe (45), the other end fixed mounting of first three-way pipe (47) has second solenoid valve (49), the middle position fixed mounting of second conveyer pipe (46) has second three-way pipe (410), just lie in on second conveyer pipe (46) second three-way pipe (410) with fixed mounting has third solenoid valve (411) between intake pipe (45), the one end fixed mounting of second three-way pipe (410) has fourth solenoid valve (412).
7. The integrated test device of a power battery management system according to claim 3, wherein: place subassembly (5) including removing deckle board (51), just remove deckle board (51) joint and be in the inside of spout (23), the inboard even fixed mounting of removing deckle board (51) has elastic webbing (52), just fixed mounting has mounting panel (53) between elastic webbing (52), waist type hole (54) have evenly been seted up on mounting panel (53), and outside power battery management system installs on mounting panel (53), just the lower surface intermediate position fixed mounting of mounting panel (53) has vibrator (55).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210176847.XA CN114594749A (en) | 2022-02-24 | 2022-02-24 | Integrated testing device of power battery management system |
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| CN202210176847.XA CN114594749A (en) | 2022-02-24 | 2022-02-24 | Integrated testing device of power battery management system |
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2022
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|---|---|---|---|---|
| KR20070008265A (en) * | 2005-07-13 | 2007-01-17 | 삼성전자주식회사 | Semiconductor module mounting tester using vortex tube |
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| CN209345233U (en) * | 2018-12-29 | 2019-09-03 | 河南阿拉神话信息技术有限公司 | A kind of experimental provision of analogue mobile phone charging ambient temperature |
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