CN115494411A - Lithium battery charging and discharging performance testing machine - Google Patents
Lithium battery charging and discharging performance testing machine Download PDFInfo
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- CN115494411A CN115494411A CN202211246946.7A CN202211246946A CN115494411A CN 115494411 A CN115494411 A CN 115494411A CN 202211246946 A CN202211246946 A CN 202211246946A CN 115494411 A CN115494411 A CN 115494411A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20181—Filters; Louvers
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention relates to the technical field of lithium battery testing, in particular to a lithium battery charging and discharging performance testing machine which comprises a base, wherein the top of the base is fixedly connected with a testing case, a case door is arranged on the testing case, the case door is provided with an observation window, the inner wall of the bottom of the testing case is fixedly connected with a rectangular seat, the rectangular seat is slidably connected with a placing table for placing a lithium battery, and one side of the rectangular seat is provided with a plurality of charging and discharging detectors for testing; the moving assembly is arranged on the rectangular seat and used for moving the placing table; the fixing component is arranged on the placing table and used for fixing the lithium battery; according to the invention, the plurality of lithium batteries can be simultaneously fixed through the fixing assembly, so that the lithium batteries cannot displace during testing, the testing is more accurate, and the lithium batteries can be cooled through the cooling mechanism, so that the phenomenon that the performance of the lithium batteries is influenced by overhigh temperature during testing of the lithium batteries can be prevented.
Description
Technical Field
The invention relates to the technical field of lithium battery testing, in particular to a lithium battery charging and discharging performance testing machine.
Background
The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses a non-aqueous electrolyte solution, and the lithium metal has very high requirements on the environment due to the very active chemical characteristics of the lithium metal, so that the lithium metal can be processed, stored and used. With the development of scientific technology, lithium batteries have become mainstream, and before the lithium batteries leave factories, the lithium batteries are often required to be subjected to charge and discharge test work.
The existing lithium battery charging and discharging performance test has the following problems:
1. in the testing process, the lithium battery cannot be well radiated, heat can be generated in the charging and discharging process of the lithium battery, and the lithium battery can be damaged if the heat is not radiated in time;
2. the lithium battery cannot be well fixed, so that the lithium battery is easy to displace during testing, and inaccurate testing is caused.
Therefore, we propose a lithium battery charge and discharge performance tester to solve the above-mentioned problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a lithium battery charge and discharge performance testing machine.
In order to achieve the purpose, the technical scheme adopted by the invention is to solve the problems that the existing lithium battery can not well dissipate heat in the test process, the lithium battery can generate heat in the charging and discharging process, and the lithium battery can be damaged if the heat is not dissipated in time; the lithium battery can not be well fixed, so that the lithium battery is easy to displace during testing, and the problem of inaccurate testing is caused.
A lithium battery charging and discharging performance testing machine comprises:
the testing device comprises a base, wherein the top of the base is fixedly connected with a testing case, a case door is arranged on the testing case, the case door is provided with an observation window, the inner wall of the bottom of the testing case is fixedly connected with a rectangular seat, a placing table for placing a lithium battery is connected onto the rectangular seat in a sliding manner, and one side of the rectangular seat is provided with a plurality of charging and discharging detectors for testing;
the moving assembly is arranged on the rectangular seat and used for moving the placing table;
the fixing assembly is arranged on the placing table and used for fixing the lithium battery;
and the heat dissipation mechanism is arranged in the test case and used for dissipating heat of the lithium battery.
Preferably, the movable assembly comprises a rectangular groove formed in the rectangular seat and a fixed box fixedly connected to the inner walls of two sides of the rectangular groove, a driving motor is fixedly connected to the inner wall of one side of the fixed box, a lead screw is fixedly connected to an output shaft of the driving motor, a movable seat is connected to the lead screw in a threaded manner, a connecting seat is fixedly connected to the top of the movable seat, and the tops of the two connecting seats are extended to the top of the fixed box and fixedly connected to the bottom of the placing table.
Preferably, the fixing assembly comprises a fixing frame fixedly connected to the top of the placing table and an air cylinder fixedly connected to the top of the fixing frame, and an output end of the air cylinder extends into the fixing frame and is fixedly connected with a pressing plate.
As preferred, heat dissipation mechanism includes fixed frame, air discharge fan and intake pipe, the rectangle mouth has been seted up at the top of test machine case, fixed frame fixed connection is in the rectangle mouth, the air discharge fan passes through support fixed connection in fixed frame, intake pipe fixed connection is in one side of test machine case, the first filter screen of bolt fixedly connected with is passed through at the top of test machine case, the front side of intake pipe is equipped with a body.
Preferably, the top of the placing table is provided with a plurality of positioning grooves, the top of the placing table is fixedly connected with a positioning plate, and the positioning grooves correspond to the charge and discharge detector.
Preferably, the bottom of the movable seat is fixedly connected with a limiting wheel, and the limiting wheel is in rolling connection with the inner wall of the bottom of the fixed box.
Preferably, the top of the fixing frame is fixedly connected with two telescopic rods, and the telescopic ends of the telescopic rods extend into the fixing frame and are fixedly connected with the top of the pressing plate.
Preferably, equal fixedly connected with slide rail on the top inner wall of intake pipe and the bottom inner wall is equipped with the second filter screen that is used for filtering the dust on two slide rails, the second filter screen passes through slider and slide rail sliding connection.
As preferred, fixedly connected with connecting axle on the output shaft of air discharge fan, fixedly connected with rectangle case on the top inner wall of test cabinet, it is connected with the transmission shaft to rotate on one side inner wall of rectangle case, fixed cover is equipped with the eccentric wheel on the transmission shaft, the one end fixedly connected with drive shaft of transmission shaft, it is connected with the pivot to rotate on the top inner wall of test cabinet, equal fixed cover is equipped with the bevel gear in pivot and the drive shaft, two bevel gear meshes mutually, the bottom difference fixedly connected with first gear and the second gear of connecting axle and pivot, first gear meshes with the second gear mutually, first gear is less than the second gear, the rectangle incasement is equipped with the movable plate, the eccentric wheel is connected with the top roll of movable plate, two spliced poles of bottom fixedly connected with of movable plate, the bottom of two spliced poles extend to in the intake pipe and fixedly connected with link, the link internal rotation is connected with the clay dust cylinder, the clay cylinder is laminated with one side of second filter screen mutually.
Preferably, the bottom inner wall of the rectangular box is fixedly connected with two limiting columns, the top ends of the two limiting columns penetrate through the movable plate and extend to the top of the movable plate, the limiting columns are sleeved with the springs, and two ends of each spring are fixedly connected with the bottom of the movable plate and the bottom inner wall of the rectangular box respectively.
Compared with the prior art, the invention has the following beneficial effects:
1. the lithium battery that will test is placed respectively in the constant head tank to one side and the locating plate that make the lithium battery laminate mutually, can make the lithium battery corresponding with the charge-discharge detector like this, then close the quick-witted chamber door, start the cylinder, the output shaft of cylinder can make the pressure strip downstream, and the pressure strip can compress tightly fixedly with a plurality of lithium batteries, can fix the lithium battery like this, makes the lithium battery can not take place the displacement.
2. The air discharge fan can discharge the heat in the test machine case, can make external air get into the test machine incasement through the intake pipe, can dispel the heat to the lithium cell like this, owing to set up the second filter screen, can prevent that the dust in the outside air from getting into the test machine incasement, causes the pollution to the test machine incasement portion.
3. In order to prevent the second filter screen from being blocked, when the exhaust fan works, the output shaft of the exhaust fan can enable the connecting shaft to rotate, the connecting shaft can enable the first gear to rotate, the first gear is meshed with the second gear to further enable the rotating shaft to rotate, the rotating speed of the rotating shaft is smaller than that of the connecting shaft due to the fact that the first gear is smaller than that of the second gear, the rotating shaft can enable the driving shaft to rotate through the two bevel gears, the driving shaft can enable the driving shaft to rotate, the eccentric wheel can rotate through the driving shaft, and further the movable plate can longitudinally reciprocate, the movable plate can enable the connecting frame to longitudinally reciprocate through the two connecting columns, the connecting frame can enable the dust-sticking roller to longitudinally reciprocate, dust on the surface of the second filter screen can be stuck through the dust-sticking roller, and therefore the second filter screen can be prevented from being blocked, and air inflow influence can be prevented.
According to the invention, the plurality of lithium batteries can be simultaneously fixed through the fixing assembly, so that the lithium batteries cannot displace during testing, the testing is more accurate, and the lithium batteries can be cooled through the cooling mechanism, so that the phenomenon that the performance of the lithium batteries is influenced by overhigh temperature during testing of the lithium batteries can be prevented.
Drawings
FIG. 1 is a schematic view of a lithium battery charging/discharging performance testing machine according to the present invention;
fig. 2 is a schematic view of the internal structure of a test case of the lithium battery charge-discharge performance test machine according to the present invention;
fig. 3 is another schematic view structure diagram of fig. 2 of the lithium battery charging and discharging performance testing machine according to the present invention;
FIG. 4 is a schematic diagram of the internal structure of a fixing box of the lithium battery charging and discharging performance testing machine according to the present invention;
FIG. 5 is a schematic structural diagram of a fixing frame, an air cylinder and a placing table of the lithium battery charging and discharging performance testing machine according to the present invention;
FIG. 6 is a schematic view of a local three-dimensional structure of a lithium battery charging and discharging performance testing machine according to the present invention;
fig. 7 is a schematic view of an internal structure of an air inlet pipe of a lithium battery charge and discharge performance test machine according to the present invention;
FIG. 8 is a schematic diagram of the internal structure of a rectangular box of the lithium battery charging and discharging performance testing machine according to the present invention;
fig. 9 is a schematic structural view of a connecting frame and a dust-binding roller of the lithium battery charging and discharging performance testing machine according to the present invention.
In the figure: 1. a base; 2. a test chassis; 3. a rectangular base; 4. a rectangular groove; 5. a charge and discharge detector; 6. a placing table; 7. an air inlet pipe; 8. an exhaust fan; 9. a stationary box; 10. a drive motor; 11. a screw rod; 12. a movable seat; 13. a connecting seat; 14. a fixed mount; 15. a cylinder; 16. a compression plate; 17. positioning a groove; 18. positioning a plate; 19. a telescopic rod; 20. a first filter screen; 21. a second filter screen; 22. a slide rail; 23. a connecting shaft; 24. a rotating shaft; 25. a first gear; 26. a second gear; 27. a drive shaft; 28. a rectangular box; 29. an eccentric wheel; 30. moving the plate; 31. connecting columns; 32. a connecting frame; 33. a dust-binding roller; 34. a bevel gear; 35. a limiting wheel; 36. a cabinet door; 37. a door body; 38. a fixing frame; 39. a limiting post; 40. a drive shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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
As shown in fig. 1-9, a lithium battery charging and discharging performance testing machine comprises a base 1, wherein the top of the base 1 is fixedly connected with a testing case 2, a case door 36 is arranged on the testing case 2, the case door 36 is provided with an observation window, a rectangular seat 3 is fixedly connected to the inner wall of the bottom of the testing case 2, a placing table 6 for placing a lithium battery is slidably connected to the rectangular seat 3, and a plurality of charging and discharging detectors 5 for testing are arranged on one side of the rectangular seat 3;
a moving assembly arranged on the rectangular base 3 for moving the placing table 6;
the fixing assembly is arranged on the placing table 6 and used for fixing the lithium battery;
and the heat dissipation mechanism is arranged in the test case 2 and used for dissipating heat of the lithium battery.
Through above-mentioned technical scheme, can fix a plurality of lithium cells simultaneously through fixed subassembly for the lithium cell can not take place the displacement when the test, makes the test more accurate, can dispel the heat to the lithium cell through heat dissipation mechanism, thereby the high temperature when can preventing the lithium cell test influences the performance of lithium cell.
Example two
The technical scheme is different from the first embodiment in that: a lithium battery charging and discharging performance testing machine comprises a base 1, wherein a testing case 2 is fixedly connected to the top of the base 1, a case door 36 is arranged on the testing case 2, an observation window is arranged on the case door 36, a rectangular seat 3 is fixedly connected to the inner wall of the bottom of the testing case 2, a placing table 6 for placing a lithium battery is connected to the rectangular seat 3 in a sliding mode, and a plurality of charging and discharging detectors 5 for testing are arranged on one side of the rectangular seat 3;
the mobile assembly is arranged on the rectangular seat 3 and used for moving the placing table 6, the mobile assembly comprises a rectangular groove 4 formed in the rectangular seat 3 and a fixed box 9 fixedly connected to the inner walls of two sides of the rectangular groove 4, a driving motor 10 is fixedly connected to the inner wall of one side of the fixed box 9, a lead screw 11 is fixedly connected to an output shaft of the driving motor 10, a mobile seat 12 is connected to the lead screw 11 through threads, a connecting seat 13 is fixedly connected to the top of the mobile seat 12, the tops of the two connecting seats 13 extend to the upper portion of the top of the fixed box 9 and are fixedly connected with the bottom of the placing table 6, the lead screw 11 can be rotated by the output shaft of the driving motor 10, the mobile seat 12 can be moved by the lead screw 11, the mobile seat 12 can enable the placing table 6 to move transversely through the connecting seat 13, so that a plurality of lithium batteries can approach the charging and discharging detector 5 until the lithium batteries are connected with the sockets of the charging and discharging detector 5, then the driving motor 10 is closed, and the lithium batteries can be detected by the charging and discharging detector 5;
the fixing assembly is arranged on the placing table 6 and used for fixing the lithium batteries, the fixing assembly comprises a fixing frame 14 fixedly connected to the top of the placing table 6 and an air cylinder 15 fixedly connected to the top of the fixing frame 14, the output end of the air cylinder 15 extends into the fixing frame 14 and is fixedly connected with a pressing plate 16, the pressing plate 16 can be moved downwards by the output shaft of the air cylinder 15, and the pressing plate 16 can tightly press and fix a plurality of lithium batteries, so that the lithium batteries can be fixed and cannot be displaced;
heat dissipation mechanism, heat dissipation mechanism sets up and is used for dispelling the heat to the lithium cell in test machine case 2, heat dissipation mechanism includes fixed frame 38, air discharge fan 8 and intake pipe 7, the rectangle mouth has been seted up at test machine case 2's top, fixed frame 38 fixed connection is in the rectangle mouth, air discharge fan 8 passes through support fixed connection in fixed frame 38, intake pipe 7 fixed connection is in one side of test machine case 2, the first filter screen 20 of bolt fixedly connected with is passed through at test machine case 2's top, the front side of intake pipe 7 is equipped with door body 37, air discharge fan 8 can be with the heat discharge in the test machine case 2, can make external air admission test machine case 2 in through intake pipe 7, can dispel the heat to the lithium cell like this.
In this embodiment, a plurality of constant head tanks 17 have been seted up at the top of placing platform 6, and the top fixedly connected with locating plate 18 of placing platform 6, constant head tank 17 are corresponding with charge and discharge detector 5, through constant head tank 17 and locating plate 18, can fix a position the lithium cell for the lithium cell can be corresponding with charge and discharge detector 5, and the butt joint of being convenient for like this detects.
In this embodiment, the bottom of the movable seat 12 is fixedly connected with a limiting wheel 35, the limiting wheel 35 is connected with the inner wall of the bottom of the fixed box 9 in a rolling manner, and the movable seat 12 can move more smoothly by the arrangement of the limiting wheel 35.
In this embodiment, two telescopic rods 19 are fixedly connected to the top of the fixing frame 14, the telescopic ends of the telescopic rods 19 extend into the fixing frame 14 and are fixedly connected to the top of the pressure strip 16, and the telescopic rods 19 can enable the pressure strip 16 to move stably without causing position deviation.
In this embodiment, equal fixedly connected with slide rail 22 on the top inner wall of intake pipe 7 and the bottom inner wall, be equipped with the second filter screen 21 that is used for filtering the dust on two slide rails 22, second filter screen 21 passes through slider and slide rail 22 sliding connection, owing to set up second filter screen 21, can prevent that the dust in the outside air from getting into in the test machine case 2, to the inside pollution that causes of test machine case 2, when needs are changed second filter screen 21, open machine case door 36 and the door body 37, then outside pulling second filter screen 21 can
In this embodiment, a connecting shaft 23 is fixedly connected to an output shaft of the exhaust fan 8, a rectangular box 28 is fixedly connected to an inner wall of the top of the test case 2, a transmission shaft 40 is rotatably connected to an inner wall of one side of the rectangular box 28, an eccentric wheel 29 is fixedly sleeved on the transmission shaft 40, a driving shaft 27 is fixedly connected to one end of the transmission shaft 40, a rotating shaft 24 is rotatably connected to the inner wall of the top of the test case 2, bevel gears 34 are fixedly sleeved on the rotating shaft 24 and the driving shaft 27, the two bevel gears 34 are engaged with each other, a first gear 25 and a second gear 26 are respectively fixedly connected to the bottom ends of the connecting shaft 23 and the rotating shaft 24, the first gear 25 is engaged with the second gear 26, the first gear 25 is smaller than the second gear 26, a moving plate 30 is arranged in the rectangular box 28, the eccentric wheel 29 is in rolling connection with the top of the moving plate 30, and two connecting posts 31 are fixedly connected to the bottom of the moving plate 30, the bottom ends of the two connecting posts 31 extend into the air inlet pipe 7 and are fixedly provided with connecting frames 32 through bolts, the connecting frames 32 are rotatably connected with a dust-binding roller 33, the dust-binding roller 33 is attached to one side of the second filter screen 21, in order to prevent the second filter screen 21 from being blocked, when the exhaust fan 8 works, the output shaft of the exhaust fan 8 can enable the connecting shaft 23 to rotate, the connecting shaft 23 can enable the first gear 25 to rotate, the rotating shaft 24 can enable the rotating shaft 24 to rotate as the first gear 25 is meshed with the second gear 26, the rotating shaft 24 has a rotating speed smaller than that of the connecting shaft 23 as the first gear 25 is smaller than that of the second gear 26, the rotating shaft 24 can enable the driving shaft 27 to rotate through the two bevel gears 34, the driving shaft 27 can enable the driving shaft 40 to rotate, the driving shaft 40 can enable the eccentric wheel 29 to rotate, and further enable the moving plate 30 to longitudinally reciprocate, and the connecting frames 32 can longitudinally reciprocate through the two connecting posts 31 by the driving shaft 40, the connecting frame 32 can make the dust sticking roller 33 move back and forth longitudinally, and the dust on the surface of the second filter screen 21 can be stuck and removed through the dust sticking roller 33, so that the second filter screen 21 can be prevented from being blocked by the dust and the influence on air inlet can be prevented.
In this embodiment, the two limiting columns 39 are fixedly connected to the inner wall of the bottom of the rectangular box 28, the top ends of the two limiting columns 39 penetrate through the movable plate 30 and extend to the top of the movable plate 30, the limiting columns 39 are sleeved on the springs, the two ends of the springs are fixedly connected to the bottom of the movable plate 30 and the inner wall of the bottom of the rectangular box 28 respectively, the limiting columns 39 can enable the movable plate 30 to move more stably, position deviation cannot occur, and the springs can provide reset power for the movable plate 30.
The working principle of the lithium battery charging and discharging performance testing machine is as follows:
when the device is used, firstly, the cabinet door 36 is opened, then lithium batteries to be tested are respectively placed in the positioning grooves 17, one sides of the lithium batteries are attached to the positioning plate 18, so that the lithium batteries correspond to the charge and discharge detector 5, then, the cabinet door 36 is closed, the air cylinder 15 is started, the output shaft of the air cylinder 15 can enable the pressing plate 16 to move downwards, the pressing plate 16 can press and fix a plurality of lithium batteries, and therefore the lithium batteries can be fixed, and the lithium batteries cannot move;
after the lithium batteries are tightly pressed, the air cylinder 15 is closed, then the two driving motors 10 are started, the output shafts of the driving motors 10 can enable the screw rod 11 to rotate, the screw rod 11 can enable the moving seat 12 to move, the moving seat 12 can enable the placing table 6 to transversely move through the connecting seat 13, so that the lithium batteries can approach the charging and discharging detector 5 until the lithium batteries are connected with the sockets of the charging and discharging detector 5, then the driving motors 10 are closed, and the lithium batteries can be detected through the charging and discharging detector 5;
in the detection process, the exhaust fan 8 can be started, the exhaust fan 8 can exhaust heat in the test case 2, and outside air can enter the test case 2 through the air inlet pipe 7, so that heat dissipation can be performed on the lithium battery, and due to the arrangement of the second filter screen 21, dust in the outside air can be prevented from entering the test case 2 to pollute the inside of the test case 2;
in order to prevent the second filter screen 21 from being blocked, when the exhaust fan 8 works, the output shaft of the exhaust fan 8 can enable the connecting shaft 23 to rotate, the connecting shaft 23 can enable the first gear 25 to rotate, the first gear 25 is meshed with the second gear 26, the rotating shaft 24 can be further rotated, the rotating speed of the rotating shaft 24 is smaller than that of the connecting shaft 23 as the first gear 25 is smaller than that of the second gear 26, the rotating shaft 24 can enable the driving shaft 27 to rotate through the two bevel gears 34, the driving shaft 27 can enable the driving shaft 40 to rotate, the eccentric wheel 29 can be rotated through the driving shaft 40, the moving plate 30 can longitudinally reciprocate, the moving plate 30 can enable the connecting frame 32 to longitudinally reciprocate through the two connecting posts 31, the connecting frame 32 can enable the dust-sticking roller 33 to longitudinally reciprocate, and dust on the surface of the second filter screen 21 can be stuck through the dust-sticking roller 33, so that the second filter screen 21 can be prevented from being blocked by dust and influencing air intake;
when the second filter screen 21 needs to be replaced, the door 36 and the door 37 are opened, and then the second filter screen 21 is pulled outwards.
It should be noted that the charge and discharge detector 5, the exhaust fan 8, the driving motor 10, and the air cylinder 15 are all common knowledge in the art, and are only used without modification, so the detailed description of the control method and the circuit connection is not needed, and the controller control circuit can be implemented by simple programming by a person skilled in the art.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a lithium cell charge-discharge performance test machine which characterized in that includes:
the testing device comprises a base (1), wherein the top of the base (1) is fixedly connected with a testing case (2), a case door (36) is arranged on the testing case (2), an observation window is arranged on the case door (36), a rectangular seat (3) is fixedly connected to the inner wall of the bottom of the testing case (2), a placing table (6) for placing a lithium battery is connected to the rectangular seat (3) in a sliding manner, and a plurality of charging and discharging detectors (5) for testing are arranged on one side of the rectangular seat (3);
the moving assembly is arranged on the rectangular seat (3) and used for moving the placing table (6);
the fixing assembly is arranged on the placing table (6) and used for fixing the lithium battery;
and the heat dissipation mechanism is arranged in the test case (2) and is used for dissipating heat of the lithium battery.
2. The lithium battery charging and discharging performance testing machine according to claim 1, characterized in that: the movable assembly comprises a rectangular groove (4) formed in a rectangular seat (3) and a fixed box (9) fixedly connected to the inner walls of the two sides of the rectangular groove (4), a driving motor (10) fixedly connected to the inner wall of one side of the fixed box (9), a lead screw (11) fixedly connected to the output shaft of the driving motor (10), a movable seat (12) connected to the lead screw (11) in a threaded manner, a connecting seat (13) fixedly connected to the top of the movable seat (12), and two connecting seats (13) extending to the top of the fixed box (9) and fixedly connected to the bottom of the placement table (6).
3. The lithium battery charging and discharging performance testing machine according to claim 2, characterized in that: the fixing assembly comprises a fixing frame (14) fixedly connected to the top of the placing table (6) and an air cylinder (15) fixedly connected to the top of the fixing frame (14), and the output end of the air cylinder (15) extends into the fixing frame (14) and is fixedly connected with a pressing plate (16).
4. The lithium battery charging and discharging performance testing machine according to claim 3, characterized in that: the heat dissipation mechanism comprises a fixed frame (38), an exhaust fan (8) and an air inlet pipe (7), a rectangular opening is formed in the top of the testing case (2), the fixed frame (38) is fixedly connected in the rectangular opening, the exhaust fan (8) is fixedly connected in the fixed frame (38) through a support, the air inlet pipe (7) is fixedly connected to one side of the testing case (2), a first filter screen (20) fixedly connected with a bolt is formed in the top of the testing case (2), and a door body (37) is arranged on the front side of the air inlet pipe (7).
5. The lithium battery charging and discharging performance testing machine according to claim 1, characterized in that: the top of the placing table (6) is provided with a plurality of positioning grooves (17), the top of the placing table (6) is fixedly connected with a positioning plate (18), and the positioning grooves (17) correspond to the charge and discharge detector (5).
6. The lithium battery charging and discharging performance testing machine according to claim 2, characterized in that: the bottom of the movable seat (12) is fixedly connected with a limiting wheel (35), and the limiting wheel (35) is in rolling connection with the inner wall of the bottom of the fixed box (9).
7. The lithium battery charging and discharging performance testing machine according to claim 3, characterized in that: the top fixedly connected with two telescopic links (19) of mount (14), the flexible end of telescopic link (19) extends to in mount (14) and with the top fixed connection of pressure strip (16).
8. The lithium battery charging and discharging performance testing machine according to claim 4, wherein: equal fixedly connected with slide rail (22) on the top inner wall of intake pipe (7) and the bottom inner wall is equipped with second filter screen (21) that are used for filtering the dust on two slide rails (22), second filter screen (21) pass through slider and slide rail (22) sliding connection.
9. The lithium battery charging and discharging performance testing machine according to claim 4, characterized in that: fixedly connected with connecting axle (23) on the output shaft of air discharge fan (8), fixedly connected with rectangle case (28) on the top inner wall of test machine case (2), it is connected with transmission shaft (40) to rotate on the inner wall of one side of rectangle case (28), the fixed cover is equipped with eccentric wheel (29) on transmission shaft (40), the one end fixedly connected with drive shaft (27) of transmission shaft (40), it is connected with pivot (24) to rotate on the top inner wall of test machine case (2), equal fixed cover is equipped with bevel gear (34) on pivot (24) and drive shaft (27), two bevel gear (34) mesh mutually, connecting axle (23) and the bottom of pivot (24) are fixedly connected with first gear (25) and second gear (26) respectively, first gear (25) mesh mutually with second gear (26), first gear (25) are less than second gear (26), be equipped with in rectangle case (28) movable plate (30), the top roll connection of movable plate (29) and movable plate (30), the bottom fixedly connected with two spliced poles (31) of movable plate (30), the bottom fixedly connected with two spliced poles (31) extend to cylinder (7) and dust binding frame (32), the rotary dust collecting rack (32), the dust-binding roller (33) is attached to one side of the second filter screen (21).
10. The lithium battery charging and discharging performance testing machine according to claim 9, characterized in that: two spacing post (39) of fixedly connected with on the bottom inner wall of rectangle case (28), the top of two spacing post (39) all runs through movable plate (30) and extends to the top of movable plate (30), the cover is established at the spring on spacing post (39), the both ends of spring respectively with the bottom of movable plate (30) and the bottom inner wall fixed connection of rectangle case (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211246946.7A CN115494411A (en) | 2022-10-12 | 2022-10-12 | Lithium battery charging and discharging performance testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211246946.7A CN115494411A (en) | 2022-10-12 | 2022-10-12 | Lithium battery charging and discharging performance testing machine |
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| Publication Number | Publication Date |
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| CN115494411A true CN115494411A (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211246946.7A Withdrawn CN115494411A (en) | 2022-10-12 | 2022-10-12 | Lithium battery charging and discharging performance testing machine |
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| CN (1) | CN115494411A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115979793A (en) * | 2023-02-14 | 2023-04-18 | 江苏莘翔机电股份有限公司 | Detection apparatus for glass steel fiber reinforced plastic material |
| CN116840708A (en) * | 2023-04-12 | 2023-10-03 | 广州计测检测技术股份有限公司 | Battery charge and discharge detection equipment |
| CN117109862A (en) * | 2023-10-24 | 2023-11-24 | 中国民用航空飞行学院 | Electric aircraft power lithium battery thermal management forced air cooling test platform |
| CN117452248A (en) * | 2023-12-20 | 2024-01-26 | 深圳市海瑞思自动化科技有限公司 | Lithium battery charge-discharge testing machine |
-
2022
- 2022-10-12 CN CN202211246946.7A patent/CN115494411A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115979793A (en) * | 2023-02-14 | 2023-04-18 | 江苏莘翔机电股份有限公司 | Detection apparatus for glass steel fiber reinforced plastic material |
| CN116840708A (en) * | 2023-04-12 | 2023-10-03 | 广州计测检测技术股份有限公司 | Battery charge and discharge detection equipment |
| CN116840708B (en) * | 2023-04-12 | 2024-01-05 | 广州计测检测技术股份有限公司 | Battery charge and discharge detection equipment |
| CN117109862A (en) * | 2023-10-24 | 2023-11-24 | 中国民用航空飞行学院 | Electric aircraft power lithium battery thermal management forced air cooling test platform |
| CN117109862B (en) * | 2023-10-24 | 2024-01-02 | 中国民用航空飞行学院 | Electric aircraft power lithium battery thermal management forced air cooling test platform |
| CN117452248A (en) * | 2023-12-20 | 2024-01-26 | 深圳市海瑞思自动化科技有限公司 | Lithium battery charge-discharge testing machine |
| CN117452248B (en) * | 2023-12-20 | 2024-03-01 | 深圳市海瑞思自动化科技有限公司 | Lithium battery charge-discharge testing machine |
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