CN220305379U

CN220305379U - Testing device of lithium ion battery module

Info

Publication number: CN220305379U
Application number: CN202321847051.9U
Authority: CN
Inventors: 谢偎东
Original assignee: Newbay Electronic Technology Suzhou Co ltd
Current assignee: Newbay Electronic Technology Suzhou Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-01-05
Anticipated expiration: 2033-07-13

Abstract

The utility model discloses a testing device of a lithium ion battery module, which comprises a base and a tester, wherein the tester is positioned at the top of the base, the top of the base is fixedly connected with a mounting frame, the tester is mounted on the right side of the mounting frame, a movable groove is formed in the top of the mounting frame, a servo motor is fixedly mounted on the right side of the mounting frame, and an output shaft of the servo motor penetrates through and extends to the inside of the movable groove. According to the utility model, the temperature control box is arranged at the bottom of the test box, so that cold air or warm air can be filled into the test box, the temperature in the test box is changed, the automatic temperature control can be realized by matching with the temperature sensor, the test environment is kept between twenty and twenty-five degrees, the test is more accurate, meanwhile, the generated air flow can contact the anode and the cathode of the lithium ion battery module through the air pipe, and therefore, the attached dust can be blown off, and the influence of the increased resistance of the dust on the test result is prevented.

Description

Testing device of lithium ion battery module

Technical Field

The utility model relates to the technical field of lithium ion testing, in particular to a testing device of a lithium ion battery module.

Background

With the development of science and technology, lithium ion polymer batteries are developing at a rapid speed, and are widely applied to a plurality of fields such as electric tools, electric bicycles, electric motorcycles, electric automobiles, military equipment, aerospace and the like, and the safety of the lithium ion polymer batteries is a non-negligible problem. To improve the safety control technical performance of the existing lithium ion polymer battery, firstly, the safety performance of the lithium ion battery is improved, and the produced lithium battery has partial disqualification of too high voltage due to the influence of the processing process and the battery material, and if the lithium ion battery is directly put into use, potential safety hazard can be brought, so that the voltage of the lithium ion battery needs to be tested.

Through retrieving, patent publication number CN208459567U discloses a lithium ion battery testing arrangement, including the testboard, the top outer wall of testboard is close to both sides department and has left side board and right side board through the screw fixation respectively, and the top outer wall of left side board and right side board has same roof through the screw fixation, open the bottom outer wall of roof has rectangular channel, and rectangular channel is close to one side inner wall of left side board and has the bearing through the screw fixation, one side that left side board was kept away from to the right side board has the fixed plate through the screw fixation, and the top outer wall of fixed plate has driving motor through the screw fixation, driving motor's output shaft top welding has the lead screw, and the one end that driving motor was kept away from to the lead screw peg graft on the inner wall of bearing. According to the utility model, the positions and the heights of the positive electrode test probe and the negative electrode test probe can be adjusted through the two electric sliding blocks and the two electric telescopic rods, so that the voltage of the lithium ion battery can be conveniently detected, the danger of manual detection is avoided, and the detection efficiency is improved.

The equipment realizes the voltage detection of the lithium ion battery module by changing the positions of the two groups of probes, but the detection environment of the lithium ion battery module is preferably twenty-five degrees, otherwise, the accuracy of the test can be affected, meanwhile, if dust exists on the positive electrode and the negative electrode, the resistance can be increased, and the test result can be affected.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a testing device of a lithium ion battery module.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a testing arrangement of lithium ion battery module, includes base and tester, the tester is located the top of base, the top fixedly connected with mounting bracket of base, the right side at the mounting bracket is installed to the tester, the movable slot has been seted up at the top of mounting bracket, the right side fixed mounting of mounting bracket has servo motor, servo motor's output shaft runs through and extends to the inside of movable slot, fixedly connected with lead screw on servo motor's the output shaft, the inside sliding connection of movable slot has two to bear the seat, bear seat threaded connection on the lead screw, the bottom fixed mounting who bears the seat has the push rod, the bottom fixed mounting of push rod has test probe, the top detachable of base is connected with the test box, the test slot has all been seted up to the left and right sides of test box, fixedly mounted has the temperature control box on the inner wall of temperature control box, fixedly mounted semiconductor refrigeration piece on the division board, two sides of temperature control box all install two-way fan, the inside of base is seted up there are two inside control boxes bearing the seat, two inside air chamber and air chamber, the air chamber and the inside sensor is connected with the inside sensor, the air chamber and the air chamber is connected with the inside sensor.

As a further description of the above technical solution: the right side of mounting bracket fixed mounting has control panel, servo motor, push rod, two-way fan, semiconductor refrigeration piece and solenoid valve all with control panel electric connection.

As a further description of the above technical solution: the damping pad is fixedly connected to the inner bottom wall of the test box and made of insulating materials.

As a further description of the above technical solution: the left side and the right side of the temperature control box are detachably connected with filter plates, and the two bidirectional fans are located on one side opposite to the two filter plates.

As a further description of the above technical solution: two baffles are fixedly connected to the inner wall of the temperature control box, and the two baffles are respectively positioned on the left side and the right side of the partition plate.

As a further description of the above technical solution: the inner wall of the movable groove is provided with a limit groove, and the bearing seat is in sliding connection with the inner wall of the limit groove.

Compared with the prior art, the utility model has the advantages that:

according to the utility model, the temperature control box is arranged at the bottom of the test box, so that cold air or warm air can be filled into the test box, the temperature in the test box is changed, the temperature can be automatically controlled by matching with the temperature sensor, the test environment is kept between twenty and twenty-five degrees, the test is more accurate, meanwhile, the generated air flow can contact the anode and the cathode of the lithium ion battery module through the air pipe, and therefore, attached dust can be blown off, and the influence of the resistance of the dust on the test result is prevented.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic cross-sectional elevation view of the present utility model;

FIG. 4 is a schematic diagram showing a sectional elevation structure of the temperature control box of the present utility model;

fig. 5 is a schematic diagram of the principle of the present utility model.

The reference numerals in the figures illustrate:

1. a base; 2. a tester; 3. a mounting frame; 4. a movable groove; 5. a servo motor; 6. a bearing seat; 7. a push rod; 8. a test probe; 9. a test cartridge; 10. a test slot; 11. a temperature control box; 12. a partition plate; 13. a semiconductor refrigeration sheet; 14. a two-way fan; 15. an air cavity; 16. an electromagnetic valve; 17. an air pipe; 18. a temperature sensor; 19. a single chip microcomputer; 20. a control panel; 21. a damping pad; 22. a filter plate; 23. a baffle; 24. and a limit groove.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model;

referring to fig. 1-5, the testing device of the lithium ion battery module comprises a base 1 and a tester 2, wherein the tester 2 is positioned at the top of the base 1, the top of the base 1 is fixedly connected with a mounting frame 3, the tester 2 is arranged on the right side of the mounting frame 3, a movable groove 4 is formed at the top of the mounting frame 3, a servo motor 5 is fixedly arranged on the right side of the mounting frame 3, an output shaft of the servo motor 5 penetrates through and extends to the inside of the movable groove 4, a screw rod is fixedly connected to the output shaft of the servo motor 5, two bearing seats 6 are slidingly connected to the inside of the movable groove 4, the bearing seats 6 are in threaded connection with the screw rod, a push rod 7 is fixedly arranged at the bottom of the bearing seats 6, a testing probe 8 is fixedly arranged at the bottom end of the push rod 7, a testing box 9 is detachably connected to the top of the base 1, test grooves 10 are formed in the left side and the right side of the testing box 9, the inner wall of the base 1 is fixedly provided with a temperature control box 11, the inner wall of the temperature control box 11 is fixedly connected with a partition plate 12, the partition plate 12 is fixedly provided with a semiconductor refrigerating sheet 13, the left side and the right side of the temperature control box 11 are both provided with a two-way fan 14, the inside of the base 1 is provided with an air cavity 15, the inner wall of the temperature control box 11 is fixedly provided with two electromagnetic valves 16, the electromagnetic valves 16 are communicated with the inside of the air cavity 15 through pipelines, the inner wall of the air cavity 15 is fixedly connected with an air pipe 17 which is uniformly distributed, the air pipe 17 penetrates and extends into the inside of the test box 9, the inner wall of the test box 9 is provided with a temperature sensor 18, the inner wall of the temperature control box 11 is integrated with a singlechip 19, the temperature sensor 18, the two-way fan 14, the semiconductor refrigerating sheet 13 and the electromagnetic valves 16 are all connected with the singlechip 19 through signals, the inner wall of the temperature control box 11 is fixedly connected with two baffles 23, two baffles 23 are located on the left and right sides of the partition plate 12, respectively.

When the lithium ion battery module is required to be tested in voltage, a user centrally places the lithium ion battery module in the test box 9, so that the anode and the cathode on two sides of the lithium ion battery module are positioned in the test groove 10, at the moment, the temperature sensor 18 monitors the temperature in the test box 9 and transmits signals to the singlechip 19, the singlechip 19 compares the values and controls the two-way fan 14 to conduct electrifying work, if the temperature of the test environment of the lithium ion battery module is required to be kept between twenty and twenty-five degrees, if the temperature is higher than a set value, the singlechip 19 controls the left two-way fan 14 to conduct air inlet, the right side is exhausted, the right electromagnetic valve 16 is closed, air flow enters the temperature control box 11, contacts the cold end of the left side of the semiconductor refrigerating sheet 13 under the action of the baffle 23, then the air flow temperature drops to enter the air cavity 15 through the electromagnetic valve 16, then the temperature inside the test box 9 is reduced by a plurality of groups of air pipes 17, the air flow can contact the anode and the cathode of the lithium battery module, dust attached to the anode and the cathode is blown off, the right two-way fan 14 can exhaust air to quicken the heat dissipation efficiency, the singlechip 19 can control the reverse operation of the element to realize automatic temperature control if the temperature is lower than a set value, then the test probe 8 is driven to move downwards to the height of the test groove 10 by using the personnel control push rod 7, then the servo motor 5 is controlled to be electrified to work, the servo motor 5 is electrified to drive the screw rod fixedly connected with the servo motor to synchronously rotate, the two bearing seats 6 which are in threaded connection with the screw rod start to relatively move, the test probe 8 moves towards the anode and the cathode of the lithium battery module until contacting, the tester 2 displays a numerical value to finish the test, the human observation value can be used for judging whether the lithium ion battery module voltage has a problem or not.

According to the utility model, the temperature control box 11 is arranged at the bottom of the test box 9, the temperature control box 11 can charge cold air or warm air into the test box 9, so that the temperature in the test box 9 is changed, the temperature can be automatically controlled by matching with the temperature sensor 18, the test environment is kept between twenty and twenty-five degrees, the test is more accurate, meanwhile, the generated air flow can contact the anode and the cathode of the lithium ion battery module through the air pipe 17, and therefore, attached dust can be blown off, and the influence of the resistance of the dust on the test result is prevented.

Please refer to fig. 1, wherein: the right side of the mounting frame 3 is fixedly provided with a control panel 20, and the servo motor 5, the push rod 7, the bidirectional fan 14, the semiconductor refrigerating sheet 13 and the electromagnetic valve 16 are electrically connected with the control panel 20.

In the utility model, the arrangement of the control panel 20 can enable a user to control the device more simply and quickly, so that the steps required by the user to operate are reduced, and the testing efficiency of the lithium ion battery module is improved.

Please refer to fig. 2, wherein: the damping pad 21 is fixedly connected to the inner bottom wall of the test box 9, and the damping pad 21 is made of an insulating material.

In the utility model, the damping pad 21 of the insulating material can electrically play a role of protection, and the resistance is increased to prevent the influence on the test result.

Please refer to fig. 2 and 4, wherein: the left side and the right side of the temperature control box 11 are detachably connected with filter plates 22, and two bidirectional fans 14 are positioned on the opposite sides of the two filter plates 22.

In the utility model, the filter plate 22 can filter the airflow, so that dust in the airflow enters the temperature control box 11 to influence the operation of the equipment.

Please refer to fig. 1 and 2, wherein: the inner wall of the movable groove 4 is provided with a limit groove 24, and the bearing seat 6 is in sliding connection with the inner wall of the limit groove 24.

In the utility model, the limiting groove 24 can limit the bearing seat 6, so that the bearing seat 6 is always positioned in the movable groove 4 to keep stable movement in the horizontal direction.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The utility model provides a testing arrangement of lithium ion battery module, includes base (1) and tester (2), tester (2) are located the top of base (1), its characterized in that: the utility model discloses a refrigerator, including base (1) and base (1), top fixedly connected with mounting bracket (3) of base (1), install the right side at mounting bracket (3) tester (2), movable groove (4) have been seted up at the top of mounting bracket (3), the right side fixed mounting of mounting bracket (3) has servo motor (5), the output shaft of servo motor (5) runs through and extends to the inside of movable groove (4), fixedly connected with lead screw on the output shaft of servo motor (5), the inside sliding connection of movable groove (4) has two to bear seat (6), bear seat (6) threaded connection on the lead screw, the bottom fixed mounting who bears seat (6) has push rod (7), the bottom fixed mounting of push rod (7) has test probe (8), the top detachable of base (1) is connected with test box (9), test groove (10) have all been seted up on the left and right sides of test box (9), fixedly mounted with temperature control box (11) on the inner wall of base (1), be connected with lead screw (12) on temperature control box (11), division board (14) have both sides of two air cavity (14) are connected with each other, two solenoid valves (16) are fixedly installed on the inner wall of the temperature control box (11), the solenoid valves (16) are communicated with the inside of the air cavity (15) through pipelines, evenly distributed air pipes (17) are fixedly connected on the inner wall of the air cavity (15), the air pipes (17) penetrate through and extend to the inside of the test box (9), temperature sensors (18) are installed on the inner wall of the test box (9), a singlechip (19) is integrated on the inner wall of the temperature control box (11), and the temperature sensors (18), the bidirectional fan (14), the semiconductor refrigerating sheets (13) and the solenoid valves (16) are all connected with the singlechip (19) through signals.

2. The testing device of a lithium ion battery module according to claim 1, wherein: the right side of mounting bracket (3) fixed mounting has control panel (20), servo motor (5), push rod (7), two-way fan (14), semiconductor refrigeration piece (13) and solenoid valve (16) all with control panel (20) electric connection.

3. The testing device of a lithium ion battery module according to claim 1, wherein: the damping pad (21) is fixedly connected to the inner bottom wall of the test box (9), and the damping pad (21) is made of an insulating material.

4. The testing device of a lithium ion battery module according to claim 1, wherein: the left side and the right side of the temperature control box (11) are detachably connected with filter plates (22), and the two bidirectional fans (14) are located on one side opposite to the two filter plates (22).

5. The testing device of a lithium ion battery module according to claim 1, wherein: two baffles (23) are fixedly connected to the inner wall of the temperature control box (11), and the two baffles (23) are respectively positioned on the left side and the right side of the partition plate (12).

6. The testing device of a lithium ion battery module according to claim 1, wherein: the inner wall of the movable groove (4) is provided with a limit groove (24), and the bearing seat (6) is in sliding connection with the inner wall of the limit groove (24).