CN116184233B - Battery cell charging and discharging testing device convenient for clamping - Google Patents
Battery cell charging and discharging testing device convenient for clamping Download PDFInfo
- Publication number
- CN116184233B CN116184233B CN202310305135.8A CN202310305135A CN116184233B CN 116184233 B CN116184233 B CN 116184233B CN 202310305135 A CN202310305135 A CN 202310305135A CN 116184233 B CN116184233 B CN 116184233B
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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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- 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
-
- 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
- G01R1/0425—Test clips, e.g. for IC's
-
- 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
Abstract
The invention discloses a battery cell charge and discharge testing device convenient for clamping, which belongs to the technical field of charge and discharge testing devices and comprises a bottom plate, wherein a base is fixedly arranged on the bottom plate, a testing component is arranged on the bottom plate, a fixing component and a driving component are arranged on the base, the testing component can automatically adjust the positions of a test harness contact block according to the positions of positive and negative motors of a battery cell to be tested so as to meet the requirements of charge and discharge testing of battery cells with different specifications, and the auxiliary adjustment is not needed, so that dangers such as electric shock can be avoided, the fixing component can automatically adjust the positions of the battery cells, fix and center the positions of the battery cells, further the follow-up charge and discharge testing can be conveniently carried out, the driving component can realize intermittent control of a first fixing carriage and a second fixing carriage, the first fixing carriage and the second fixing carriage are pre-fixed, and damage to the battery cells during fixing is avoided.
Description
Technical Field
The invention relates to the technical field of charge and discharge testing devices, in particular to a battery cell charge and discharge testing device convenient to clamp.
Background
The battery cell refers to an electrochemical battery cell which comprises a positive electrode and a negative electrode, is not directly used generally, is an electric storage part in a rechargeable battery, is different from the battery cell which comprises a protection circuit and a shell, can be directly used, the lithium ion secondary rechargeable battery comprises the battery cell and a protection circuit board, the battery cell is the battery cell after the protection circuit board is removed, the quality of the battery cell directly determines the quality of the rechargeable battery, and when the quality of the battery cell is detected, the battery cell is charged and discharged to be tested, the position of the battery cell cannot be automatically adjusted by the conventional battery cell charging and discharging testing device, and the battery cell is required to be manually assisted, so that the battery cell charging and discharging testing device is complicated.
The invention discloses a high-power charge and discharge testing device, which comprises a testing table and a battery cell body, the battery cell body sets up the top at the testboard, the top of testboard is provided with the holding tank, the inside rotation of holding tank is connected with two-way threaded rod, the cover is equipped with two symmetrical distribution's cardboard on the two-way threaded rod, the top of testboard is provided with two evenly distributed's recess, two the inside of recess is all sliding connection has the rack, and the inside of two recesses is all rotated and is connected with the axostylus axostyle, two all overlap on the axostylus axostyle be equipped with rack complex gear, the top fixedly connected with screw rod of rack, the outside cover of screw rod is equipped with the cover post to with cover post swing joint, the top fixedly connected with of screw rod and cover post complex fixed block, the top fixedly connected with spring of fixed block, the spring sets up in the inside of cover post, and this patent is nevertheless can realize carrying out the charge and discharge test to the battery cell, can't carry out automatic adjustment to the position of electric core, and can't carry out automatic adjustment to the position of test, and carries out manual electric shock testing's position, and carries out manual electric wire harness operation's the manual charge and discharge testing device of the invention, and the dangerous electrical wiring harness of the invention is convenient for produce.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a battery cell charge and discharge testing device convenient for clamping, which solves the problems that the position of a battery cell cannot be automatically adjusted, the position of a testing wire harness cannot be automatically adjusted, manual assistance is needed, and the danger of electric shock is easily caused by improper operation.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a electricity core charge-discharge testing arrangement convenient to clamping, the on-line screen storage device comprises a base plate, fixed mounting has the base on the bottom plate, be provided with test assembly on the bottom plate, test assembly includes test ring plate, rotate on the test ring plate and install test slat first and test slat second, symmetrical slidable mounting has test slide on the test ring plate, all fixed test pencil contact block that is provided with on the test slide, test slat first and test slat second respectively with corresponding test slide swing joint, be provided with fixed assembly and drive assembly on the base, fixed assembly includes fixed carriage first and fixed carriage second of symmetrical slidable mounting on the base, all slidable mounting has the auxiliary slide on fixed carriage first and the fixed carriage second, slidable mounting has the transport slide on the base, drive assembly includes the drive revolving frame, the drive revolving frame is installed on the base in rotation, fixed arc friction plate first, arc friction plate second, arc friction plate third of being provided with on the drive revolving frame.
Further, the test assembly further comprises an electric cylinder, a test bottom plate is fixedly arranged on a piston rod of the electric cylinder, a test annular plate is rotatably arranged on the test bottom plate, a test rotating frame is rotatably arranged on the test annular plate, an arc test ratchet strip I, an arc test ratchet strip II, an arc reset rack I and an arc reset rack II are fixedly arranged on the test rotating frame, and ratchet teeth of the arc test ratchet strip I and the arc test ratchet strip II are opposite in direction.
Further, the first test strip and the second test strip are fixedly provided with test ratchet wheels, the test ratchet wheels are fixedly provided with test gears, the ratchet teeth of the test ratchet wheels on the first test strip and the ratchet teeth of the test ratchet wheels on the second test strip are opposite in direction, the first arc-shaped reset rack and the second arc-shaped reset rack respectively form a gear pair when being jointed with the corresponding test gears, and the first arc-shaped test ratchet strip and the second arc-shaped test ratchet strip respectively form a ratchet mechanism when being jointed with the corresponding test ratchet wheels.
Further, the fixed assembly further comprises a first fixed toothed ring and a second fixed toothed ring, the first fixed toothed ring and the second fixed toothed ring are both rotationally arranged on the base, the first fixed rotating plate and the second fixed rotating plate are symmetrically rotationally arranged on the base, the first fixed rotating plate is movably connected with the second corresponding fixed sliding frame, the second fixed rotating plate is movably connected with the first corresponding fixed sliding frame, the first fixed gear is fixedly arranged on the first fixed rotating plate, the first fixed gear and the first fixed toothed ring form a gear pair, the second fixed gear is fixedly arranged on the second fixed rotating plate, and the second fixed gear and the second fixed toothed ring form a gear pair.
Further, a first friction circular plate and a second friction circular plate are rotatably arranged on the base, the first friction circular plate is in contact with the second fixed toothed ring, the second friction circular plate is in contact with the first fixed toothed ring, an auxiliary first friction circular plate is fixedly arranged on the first friction circular plate, an auxiliary second friction circular plate is fixedly arranged on the second friction circular plate, and friction force exists between the first friction circular plate and the base.
Further, the arc friction plate I, the arc friction plate II and the arc friction plate III form a circular ring, the auxiliary friction circular plate I and the friction circular plate II are in contact with the circular ring formed by the arc friction plate I, the arc friction plate II and the arc friction plate III, and friction force exists between the auxiliary friction circular plate I and the friction circular plate II and the circular ring formed by the arc friction plate I, the arc friction plate II and the arc friction plate III.
Further, the driving assembly further comprises a driving rotating plate, the driving rotating plate is rotatably arranged on the base, the conveying screw rod is rotatably arranged on the base, the conveying sliding plate and the base form spline sliding fit, the conveying screw rod and the conveying sliding plate form a screw pair, and the conveying screw rod is fixedly provided with a conveying gear.
Further, a driving gear is fixedly arranged on the driving rotating frame, an arc-shaped conveying rack and an arc-shaped driving rack are fixedly arranged on the driving rotating plate, a gear pair is formed when the conveying gear is contacted with the arc-shaped conveying rack, and a gear pair is formed when the driving gear is contacted with the arc-shaped driving rack.
Further, a spring piece is arranged between the first fixed sliding frame and the second fixed sliding frame and the auxiliary sliding plate, friction force exists between the second friction circular plate and the first fixed toothed ring, and friction force exists between the first friction circular plate and the second fixed toothed ring.
Compared with the prior art, the invention has the beneficial effects that: (1) According to the invention, by arranging the testing assembly, the automatic adjustment of the position of the testing harness contact block can be realized according to the position of the positive and negative motors of the battery cell to be tested, so that the battery cells with different specifications can be tested in a charging and discharging manner, and the auxiliary adjustment is not needed to be performed manually, so that the dangers such as electric shock and the like can be avoided. (2) According to the invention, the fixing assembly is arranged, so that the position of the battery cell can be automatically adjusted, and the position of the battery cell is fixed and centered, thereby facilitating the subsequent charge and discharge test. (3) According to the invention, the driving assembly is arranged, so that intermittent control on the first fixed sliding frame and the second fixed sliding frame can be realized, the first fixed sliding frame and the second fixed sliding frame are pre-fixed, and the battery cell is prevented from being damaged during fixing.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the structure of the adjusting motor of the present invention.
FIG. 3 is a schematic diagram of a test assembly according to the present invention.
Fig. 4 is a front view of a test assembly of the present invention.
Fig. 5 is a schematic structural view of the fixing assembly of the present invention.
Fig. 6 is an enlarged partial schematic view at a in fig. 5.
Fig. 7 is a schematic view of the structure of the base of the present invention.
Fig. 8 is a partially enlarged schematic view at B in fig. 7.
Fig. 9 is a schematic structural view of a second part of the fixed gear ring of the present invention.
Fig. 10 is a partially enlarged schematic view of fig. 9C.
Fig. 11 is a schematic view of a structure of a fixing ring gear of the present invention.
Fig. 12 is a partially enlarged schematic view of fig. 11 at D.
Fig. 13 is a front view of the overall structure of the present invention.
Reference numerals: 101-a bottom plate; 102-a base; 103-electric cylinder; 104-testing the bottom plate; 105-a positioning motor; 106-testing the ring plate; 107-test turret; 108-testing the first strip; 109-test gear; 110-test ratchet; 111-testing a slide plate; 112-test harness contact blocks; 113-arc test ratchet one; 114-arc test ratchet II; 115-test strip two; 116-arc reset rack one; 117-arc reset rack two; 118-adjusting the motor; 119-fixing the first carriage; 120-fixing the second carriage; 121-a conveying slide plate; 122-auxiliary skateboards; 123-spring pieces; 124-securing the first toothed ring; 125-fixing the second toothed ring; 126-fixing the first rotating plate; 127-fixed gear one; 128-driving the rotating plate; 129-friction disk one; 130-friction circular plate two; 131-auxiliary friction circular plate I; 132-auxiliary friction circular plate two; 133-driving the turret; 134-arc friction plate one; 135-arc friction plate II; 136-arc friction plate three; 137-drive gear; 138-conveying screw rods; 139-a transfer gear; 140-arc conveying racks; 141-arc-shaped drive rack; 142-driving a motor; 143-fixing a second gear; 144-fixed rotating plate two.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: referring to fig. 1-13, a battery cell charge-discharge testing device convenient for clamping comprises a bottom plate 101, wherein a base 102 is fixedly installed on the bottom plate 101, a testing component is arranged on the bottom plate 101 and comprises a testing annular plate 106, a testing strip plate I108 and a testing strip plate II 115 are rotatably installed on the testing annular plate 106, a testing sliding plate 111 is symmetrically and slidably installed on the testing annular plate 106, testing wire harness contact blocks 112 are fixedly arranged on the testing sliding plate 111, and the testing strip plate I108 and the testing strip plate II 115 are respectively and movably connected with the corresponding testing sliding plate 111.
The base 102 is fixedly provided with an electric cylinder 103, a piston rod of the electric cylinder 103 is fixedly provided with a test bottom plate 104, a test ring plate 106 is rotatably arranged on the test bottom plate 104, a positioning motor 105 is fixedly arranged on the test bottom plate 104, an output shaft of the positioning motor 105 is fixedly connected with the test ring plate 106, a test rotating frame 107 is rotatably arranged on the test ring plate 106, an adjusting motor 118 is fixedly arranged on the test ring plate 106, an output shaft of the adjusting motor 118 is fixedly connected with the test rotating frame 107, an arc-shaped test ratchet strip 113, an arc-shaped test ratchet strip II 114, an arc-shaped reset rack 116 and an arc-shaped reset rack II 117 are fixedly arranged on the test rotating frame 107, and ratchet teeth of the arc-shaped test ratchet strip I113 and the arc-shaped test ratchet strip II 114 are opposite in direction.
Test ratchet 110 is fixed on test slat one 108 and test slat two 115, test gear 109 is fixed on test ratchet 110, test gear 109 on test slat one 108 and test gear 109 on test slat two 115 are not at the same height, arc reset rack one 116 and arc reset rack two 117 are also not at the same height, ratchet teeth of test ratchet 110 on test slat one 108 and ratchet teeth of test ratchet 110 on test slat two 115 are opposite, arc reset rack one 116 and arc reset rack two 117 respectively constitute the gear pair when being engaged with corresponding test gear 109, and arc test ratchet one 113 and arc test ratchet two 114 respectively constitute ratchet mechanism when being engaged with corresponding test ratchet 110.
Referring to fig. 3, according to the positions of the positive and negative electrodes of the battery cell to be tested, the adjusting motor 118 is started to drive the test rotating frame 107 to rotate anticlockwise, so that the first arc test ratchet 113 drives the test ratchet 110 on the second test slat 115 to rotate, and since the second arc test ratchet 114 and the test ratchet 110 on the first test slat 108 form a gear mechanism, the test ratchet 110 cannot rotate, so that the second test slat 115 rotates anticlockwise, the test sliding plate 111 on the second test slat 115 is driven to slide, namely, the test wire harness contact block 112 on the test ratchet 110 moves, and when the test wire harness contact block 112 controlled by the second test slat 115 moves to a designated position, the test rotating frame 107 stops rotating anticlockwise, and at the moment, the first arc reset rack 116 and the second arc reset rack 117 are not in contact with the test gear 109.
The adjusting motor 118 is started again to drive the test turret 107 to rotate clockwise, and the same can be said that the test lath 108 is driven to rotate, so that the test wire harness contact block 112 controlled by the test lath 108 moves to the designated position, at this time, the arc-shaped reset rack one 116 and the arc-shaped reset rack two 117 are not contacted with the test gear 109, after the position adjustment of the two test wire harness contact blocks 112 is completed, the positioning motor 105 is started again to drive the test ring plate 106 to rotate, so that the two test wire harness contact blocks 112 move to the position right above the positive electrode and the negative electrode of the battery cell to be tested, and the electric cylinder 103 is started again, so that the test base plate 104 moves downwards, so that the two test wire harness contact blocks 112 are contacted with the positive electrode and the negative electrode of the battery cell to be tested, and the charge and discharge test is started.
When the positions of the two test harness contact blocks 112 need to be reset to the initial positions, the adjusting motor 118 is started to drive the test rotating frame 107 to rotate anticlockwise, so that the first arc test ratchet 113 drives the test strip plate I115 to rotate to the maximum rotation amount, namely, the first arc test ratchet 113 rotates anticlockwise to be separated from contact with the test ratchet 110 on the test strip plate II 115, then the test rotating frame 107 is driven to rotate clockwise, so that the first arc test ratchet 114 drives the test strip plate I108 to rotate to the maximum rotation amount, namely, the second arc test ratchet 114 rotates clockwise to be separated from contact with the test ratchet 110 on the test strip plate I108, namely, the two test sliding plates 111 move to the outermost side of the test ring plate 106, the test rotating frame 107 is driven to rotate clockwise, so that the first arc reset rack 116 contacts with the test gear 109 on the test strip I108, the second arc reset rack 117 contacts with the test ratchet 109 on the test strip II 115, namely, the first arc reset rack 108 and the test strip II 115 rotate clockwise to the circle center direction of the test ring plate 106, namely, the first arc reset rack 116 and the second arc reset rack 115 are separated from contact with the test ratchet 109 on the test strip II, and the first arc reset rack 117 returns to the initial positions, and the arc drive the arc rack 117 returns to the initial positions after the first arc reset rack 116 and the first test strip 111 rotates clockwise to be separated from contact with the test strip 107.
The base 102 is provided with a fixing assembly, the fixing assembly comprises a first fixing sliding frame 119 and a second fixing sliding frame 120 which are symmetrically and slidably arranged on the base 102, the first fixing sliding frame 119 and the second fixing sliding frame 120 are not contacted, the first fixing sliding frame 119 and the second fixing sliding frame 120 are both slidably arranged with an auxiliary sliding plate 122, the base 102 is slidably provided with a conveying sliding plate 121, a spring piece 123 is arranged between the first fixing sliding frame 119 and the second fixing sliding frame 120 and the auxiliary sliding plate 122, the base 102 is rotatably provided with a first fixing toothed ring 124 and a second fixing toothed ring 125, the base 102 is symmetrically rotatably provided with a first fixing rotating plate 126 and a second fixing rotating plate 144, the first fixing rotating plate 126 is movably connected with the second fixing sliding frame 120 respectively, the second fixing rotating plate 144 is movably connected with the first fixing sliding frame 119 respectively, the first fixing gear 127 is fixedly arranged on the first fixing rotating plate 126, the first fixing gear 127 and the second fixing toothed ring 124 form a gear pair, the second fixing gear 143 is fixedly arranged on the second fixing rotating plate 144 and the second fixing toothed ring 125 form a gear pair.
The base 102 is rotatably provided with a first friction circular plate 129 and a second friction circular plate 130, the first friction circular plate 129 is in contact with the second fixed toothed ring 125, the second friction circular plate 130 is in contact with the first fixed toothed ring 124, an auxiliary friction circular plate 131 is fixedly arranged on the first friction circular plate 129, an auxiliary friction circular plate 132 is fixedly arranged on the second friction circular plate 130, and friction force exists between the first friction circular plate 129 and the base 102.
Through driving friction plectane two 130 rotations, and then drive fixed ring gear one 124 rotations, drive two fixed gear one 127 rotations promptly, drive two fixed rotating plate one 126 rotations promptly for two fixed balladeur train two 120 take place to slide, can know by the same reason, drive friction plectane one 129 rotations promptly, drive fixed ring gear two 125 rotations, and then drive fixed gear two 143 rotations, drive two fixed balladeur trains one 119 under the effect of fixed rotating plate two 144 and take place to slide, realize fixed balladeur train one 119 and fixed balladeur train two 120 and fix the electric core promptly.
The base 102 is provided with a driving assembly, the driving assembly comprises a driving rotating frame 133, the driving rotating frame 133 is rotatably arranged on the base 102, an arc friction plate I134, an arc friction plate II 135 and an arc friction plate III 136 are fixedly arranged on the driving rotating frame 133, the arc friction plate I134, the arc friction plate II 135 and the arc friction plate III 136 form a circular ring, the auxiliary friction circular plate I131 and the friction circular plate II 130 are in contact with the circular ring formed by the arc friction plate I134, the arc friction plate II 135 and the arc friction plate III 136, friction force exists between the auxiliary friction circular plate I131 and the circular ring formed by the arc friction plate II 134, the arc friction plate II 135 and the arc friction plate III 136, when the auxiliary friction circular plate I131 and the arc friction plate II 131 are in contact, the friction force between the arc friction circular plate II 135 and the auxiliary friction circular plate II 131 is larger than the friction force between the arc friction circular plate I129 and the base 102 and the circular ring formed by the arc friction plate III 136, and the friction force between the auxiliary friction circular plate II 123 is smaller than the elastic force between the arc friction circular plate II and the arc friction circular plate 123 and the auxiliary friction plate II.
The base 102 is rotatably provided with a driving rotating plate 128, the base 102 is fixedly provided with a driving motor 142, an output shaft of the driving motor 142 is fixedly connected with the driving rotating plate 128, the base 102 is rotatably provided with a conveying screw rod 138, a conveying sliding plate 121 and the base 102 form spline sliding fit, the conveying screw rod 138 and the conveying sliding plate 121 form a spiral pair, the conveying screw rod 138 is fixedly provided with a conveying gear 139, the driving rotating frame 133 is fixedly provided with a driving gear 137, the driving rotating plate 128 is fixedly provided with an arc-shaped conveying rack 140 and an arc-shaped driving rack 141, the conveying gear 139 and the arc-shaped conveying rack 140 form a gear pair when contacting, and the driving gear 137 and the arc-shaped driving rack 141 form a gear pair when contacting.
Referring to fig. 12, when the to-be-measured battery cell is detected, the driving motor 142 is started to drive the driving rotating plate 128 to rotate anticlockwise, namely, the arc-shaped conveying rack 140 and the arc-shaped driving rack 141 are driven to rotate anticlockwise, at the moment, the driving gear 137 is not in contact with the arc-shaped driving rack 141, namely, only the conveying gear 139 rotates anticlockwise, the conveying screw rod 138 is driven to rotate anticlockwise by the conveying gear 139, the conveying sliding plate 121 is driven to slide in a direction away from the bottom plate 101, when the driving rotating plate 128 rotates anticlockwise until the arc-shaped conveying rack 140 and the conveying gear 139 are out of contact, namely, the conveying sliding plate 121 moves to the maximum displacement position, the to-be-measured battery cell is placed on the conveying sliding plate 121, and then the driving motor 142 is started to drive the driving rotating plate 128 to rotate clockwise, so that the conveying sliding plate 121 returns to the initial position.
When the conveying slide plate 121 returns to the initial position, the conveying gear 139 and the arc conveying rack 140 are separated from contact, the driving rotating plate 128 continues to rotate clockwise, the driving gear 137 and the arc driving rack 141 are in contact, under the action of the arc driving rack 141, the driving gear 137 rotates clockwise, namely, the driving rotating frame 133 rotates clockwise, at this time, the auxiliary friction circular plate 131 and the auxiliary friction circular plate 132 are both in contact with the arc friction plate 134, namely, the auxiliary friction circular plate 132 rotates, because the friction force between the auxiliary friction circular plate 131 and the arc friction plate 134 is smaller than the friction force between the friction circular plate 129 and the base 102, namely, the auxiliary friction circular plate 131 cannot rotate, and then only the friction circular plate 130 rotates, namely, the driving fixed toothed ring 124 rotates, and then drives the two fixed gears 127 to rotate, namely, the driving fixed rotating plate 126 rotates, so that the two fixed sliding carriages 120 slide in the direction close to the center of the base 102, finally, the auxiliary sliding plate 122 on the fixed sliding carriage 120 contacts the edge of the electric core, and because the friction force between the auxiliary friction circular plate 134 and the auxiliary friction circular plate 132 is smaller than the friction circular plate 132, namely, the arc friction circular plate 132 cannot rotate, namely, the friction circular plate 132 cannot rotate, and the friction circular plate 132 rotates, namely, the arc friction plate 132 cannot rotate, and the friction circular plate 132 rotates.
The rotating frame 133 is driven to rotate clockwise continuously, so that the arc friction plate two 135 is contacted with the auxiliary friction circular plate one 131, the auxiliary friction circular plate two 132 is contacted with the arc friction plate one 134 continuously, the friction force between the arc friction plate two 135 and the auxiliary friction circular plate two 132 is larger than the friction force between the friction circular plate one 129 and the base 102, namely, under the action of the arc friction plate two 135, the auxiliary friction circular plate one 131 rotates, namely, the friction circular plate one 129 rotates, and then drives the fixed toothed ring two 125 to rotate, and the auxiliary sliding plate 122 on the fixed sliding frame one 119 contacts with the edge of the battery core to be tested, and because the friction force between the arc friction plate two 135 and the auxiliary friction circular plate one 131 is smaller than the elastic force of the spring piece 123, and the friction force between the arc friction plate two 135 and the auxiliary friction circular plate one 131 is smaller than the friction force between the friction circular plate one 129 and the fixed toothed ring two 125, namely, when the arc friction plate two 135 rotates continuously, the friction circular plate one 129 cannot rotate, namely, the auxiliary friction circular plate one 131 cannot rotate.
The rotating frame 133 is driven to rotate continuously, so that the third arc friction plate 136 contacts the first auxiliary friction circular plate 131, the friction force between the third arc friction plate 136 and the first auxiliary friction circular plate 131 is larger than the elastic force of the spring piece 123, namely, the first friction circular plate 129 continuously rotates, the second arc friction plate 135 contacts the second auxiliary friction circular plate 132 while the third arc friction plate 136 contacts the first auxiliary friction circular plate 131, the friction force between the second arc friction plate 135 and the second auxiliary friction circular plate 132 is larger than the elastic force of the spring piece 123, namely, the second friction circular plate 130 rotates, namely, the first fixed toothed ring 124 and the second fixed toothed ring 125 synchronously rotate, and the spring piece 123 on the second fixed carriage 120 and the spring piece 123 on the first fixed carriage 119 are synchronously compressed, namely, the fixation of the battery cell to be tested is completed.
Working principle: the driving motor 142 is started to drive the rotating plate 128 to rotate, the conveying gear 139 is driven to rotate, the conveying screw rod 138 is driven to rotate, the conveying sliding plate 121 moves in a direction far away from the bottom plate 101, finally the conveying sliding plate 121 moves to the maximum displacement position, the battery cell to be tested is placed on the conveying sliding plate 121, and the steps are performed reversely, so that the conveying sliding plate 121 returns to the initial position.
And then the driving motor 142 is continuously started to drive the driving rotating plate 128 to rotate, the driving gear 137 is driven to rotate, the driving rotating frame 133 is driven to rotate, under the action of the arc friction plate I134, the arc friction plate II 135 and the arc friction plate III 136, the first fixed toothed ring 124 is firstly driven to rotate independently, namely the two fixed sliding frames II 120 slide, the auxiliary sliding plate 122 on the two fixed sliding frames II 120 are contacted with the edge of the battery core to be tested, the second fixed toothed ring 125 is driven to rotate independently, the auxiliary sliding plate 122 on the two fixed sliding frames I119 is contacted with the edge of the battery core to be tested, and finally the first fixed toothed ring 124 and the second fixed toothed ring 125 are synchronously driven to rotate, so that the spring pieces 123 on the first fixed sliding frames 119 and the second fixed sliding frames 120 are compressed synchronously, and the fixation of the battery core to be tested is completed.
The test rotating frame 107 is driven to rotate by the restarting adjusting motor 118, the positions of the two test sliding plates 111 are adjusted according to the positions of the positive and negative electrodes of the battery core to be tested, the positions of the two test wire harness contact blocks 112 correspond to the positions of the positive and negative electrodes of the battery core to be tested, the positioning motor 105 is restarted to drive the test ring plate 106 to rotate, the two test wire harness contact blocks 112 move to the position right above the positive and negative electrodes of the battery core to be tested, the test base plate 104 is driven to move downwards by the restarting motor 103, and the two test wire harness contact blocks 112 are in contact with the positive and negative electrodes of the battery core to be tested, so that the battery core can be subjected to charge and discharge test.
After the test is completed, the above steps are reversed, and the tested battery cells can be sent out through the conveying slide plate 121.
The present invention is not limited to the above-described embodiments, and various modifications are possible within the scope of the present invention without inventive labor, as those skilled in the art will recognize from the above-described concepts.
Claims (9)
1. The utility model provides a electricity core charge-discharge testing arrangement convenient to clamping, includes bottom plate (101), and fixed mounting has base (102), its characterized in that on bottom plate (101):
the test assembly comprises a test ring plate (106), a first test strip plate (108) and a second test strip plate (115) are rotatably arranged on the test ring plate (106), test sliding plates (111) are symmetrically and slidably arranged on the test ring plate (106), test wire harness contact blocks (112) are fixedly arranged on the test sliding plates (111), and the first test strip plate (108) and the second test strip plate (115) are respectively and movably connected with the corresponding test sliding plates (111);
the novel automatic transmission device is characterized in that a fixing assembly and a driving assembly are arranged on the base (102), the fixing assembly comprises a first fixing sliding frame (119) and a second fixing sliding frame (120) which are symmetrically and slidably arranged on the base (102), an auxiliary sliding plate (122) is slidably arranged on the first fixing sliding frame (119) and the second fixing sliding frame (120), a conveying sliding plate (121) is slidably arranged on the base (102), the driving assembly comprises a driving rotating frame (133), the driving rotating frame (133) is rotatably arranged on the base (102), and an arc friction plate I (134), an arc friction plate II (135) and an arc friction plate III (136) are fixedly arranged on the driving rotating frame (133).
2. The battery cell charge and discharge testing device convenient for clamping according to claim 1, wherein: the test assembly further comprises an electric cylinder (103), a test bottom plate (104) is fixedly installed on a piston rod of the electric cylinder (103), the test annular plate (106) is rotatably installed on the test bottom plate (104), a test rotating frame (107) is rotatably installed on the test annular plate (106), an arc test ratchet strip I (113), an arc test ratchet strip II (114), an arc reset rack I (116) and an arc reset rack II (117) are fixedly arranged on the test rotating frame (107), and ratchet teeth of the arc test ratchet strip I (113) and the arc test ratchet strip II (114) are opposite.
3. The battery cell charge and discharge testing device convenient for clamping according to claim 2, wherein: test ratchet (110) is fixedly installed on each of the first test strip (108) and the second test strip (115), test gear (109) is fixedly installed on each of the test ratchet (110), ratchet teeth of the test ratchet (110) on the first test strip (108) and ratchet teeth of the test ratchet (110) on the second test strip (115) are opposite in direction, a gear pair is formed when the first arc-shaped reset rack (116) and the second arc-shaped reset rack (117) are respectively engaged with the corresponding test gear (109), and a ratchet mechanism is formed when the first arc-shaped test ratchet (113) and the second arc-shaped test ratchet (114) are respectively engaged with the corresponding test ratchet (110).
4. The battery cell charge and discharge testing device convenient for clamping according to claim 3, wherein: the fixed subassembly still includes fixed ring gear (124) and fixed ring gear (125), fixed ring gear (124) and fixed ring gear (125) are all rotated and are installed on base (102), fixed rotating plate (126) and fixed rotating plate (144) are installed in the rotation of symmetry on base (102), fixed rotating plate (126) and corresponding fixed balladeur train (120) swing joint, fixed rotating plate (144) and corresponding fixed balladeur train (119) swing joint, fixed gear (127) are fixed to fixed rotating plate (126), fixed gear (127) and fixed ring gear (124) constitute the gear pair, fixed gear (143) are fixed to fixed rotating plate (144), fixed gear (143) and fixed ring gear (125) constitute the gear pair.
5. The battery cell charge and discharge testing device convenient for clamping according to claim 4, wherein: the friction circular plate I (129) and the friction circular plate II (130) are rotatably arranged on the base (102), the friction circular plate I (129) is in contact with the fixed toothed ring II (125), the friction circular plate II (130) is in contact with the fixed toothed ring I (124), the friction circular plate I (129) is fixedly provided with an auxiliary friction circular plate I (131), the friction circular plate II (130) is fixedly provided with an auxiliary friction circular plate II (132), and friction force exists between the friction circular plate I (129) and the base (102).
6. The battery cell charge and discharge testing device convenient for clamping according to claim 5, wherein: the first arc friction plate (134), the second arc friction plate (135) and the third arc friction plate (136) form a circular ring, the first auxiliary friction circular plate (131) and the second friction circular plate (130) are in contact with the circular ring formed by the first arc friction plate (134), the second arc friction plate (135) and the third arc friction plate (136), and friction forces exist between the first auxiliary friction circular plate (131) and the second friction circular plate (130) and the circular ring formed by the first arc friction plate (134), the second arc friction plate (135) and the third arc friction plate (136).
7. The battery cell charge and discharge testing device convenient for clamping according to claim 6, wherein: the driving assembly further comprises a driving rotating plate (128), the driving rotating plate (128) is rotatably mounted on the base (102), a conveying screw rod (138) is rotatably mounted on the base (102), the conveying sliding plate (121) and the base (102) form spline sliding fit, the conveying screw rod (138) and the conveying sliding plate (121) form a screw pair, and a conveying gear (139) is fixedly arranged on the conveying screw rod (138).
8. The battery cell charge and discharge testing device convenient for clamping according to claim 7, wherein: the driving rotary frame (133) is fixedly provided with a driving gear (137), the driving rotary plate (128) is fixedly provided with an arc-shaped conveying rack (140) and an arc-shaped driving rack (141), the conveying gear (139) and the arc-shaped conveying rack (140) form a gear pair when contacting, and the driving gear (137) and the arc-shaped driving rack (141) form the gear pair when contacting.
9. The battery cell charge and discharge testing device convenient for clamping according to claim 8, wherein: a spring piece (123) is arranged between the first fixed sliding frame (119) and the second fixed sliding frame (120) and the auxiliary sliding plate (122), friction force exists between the second friction circular plate (130) and the first fixed toothed ring (124), and friction force exists between the first friction circular plate (129) and the second fixed toothed ring (125).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310305135.8A CN116184233B (en) | 2023-03-27 | 2023-03-27 | Battery cell charging and discharging testing device convenient for clamping |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310305135.8A CN116184233B (en) | 2023-03-27 | 2023-03-27 | Battery cell charging and discharging testing device convenient for clamping |
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| CN116184233A CN116184233A (en) | 2023-05-30 |
| CN116184233B true CN116184233B (en) | 2023-09-15 |
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| CN114740234A (en) * | 2022-05-13 | 2022-07-12 | 安徽科盟电子科技有限公司 | Positioning device for partial discharge test |
| CN218299890U (en) * | 2022-08-16 | 2023-01-13 | 湖北亿纬动力有限公司 | Battery cell charging and discharging testing device |
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| CN113253135B (en) * | 2021-05-11 | 2022-09-06 | 吉林大学 | Battery in-situ test system |
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| EP3496218A1 (en) * | 2017-12-07 | 2019-06-12 | Schneider Electric Industries SAS | Device for connecting a mobile carriage carrying an electrical apparatus to a medium or high voltage cell, and cell comprising such a device |
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| WO2022052314A1 (en) * | 2020-09-10 | 2022-03-17 | 联动天翼新能源有限公司 | Immersion type battery cell charging and discharging test device |
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| CN116184233A (en) | 2023-05-30 |
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