CN220626606U

CN220626606U - Lithium battery BMS protection testing device

Info

Publication number: CN220626606U
Application number: CN202321470826.5U
Authority: CN
Inventors: 莫钦钊; 刁海兰; 廖惠芳
Original assignee: Guangdong Weilan New Energy Technology Co ltd
Current assignee: Guangdong Weilan New Energy Technology Co ltd
Priority date: 2023-06-10
Filing date: 2023-06-10
Publication date: 2024-03-19
Anticipated expiration: 2033-06-10

Abstract

The utility model belongs to the field of test equipment, and particularly relates to a lithium battery BMS protection test device, which comprises a support shell, wherein a placement table is fixedly arranged at the top of the support shell, a plurality of driving holes are formed in the top of the placement table in a rectangular shape, clamping plates are slidably arranged in the driving holes, a plurality of limiting rods are fixedly arranged on the inner walls of the top and the bottom of the support shell, a same disc is slidably sleeved on the limiting rods, a hinging rod is hinged to the outer side of the disc, the top end of the hinging rod is hinged to the corresponding clamping plate, two driving grooves are formed in the inner wall of the bottom of the support shell, a driving seat is slidably arranged in the driving grooves, and a pull rod is hinged to the top end of the driving seat. The utility model has reasonable design, is convenient for clamping and fixing the lithium battery BMS module by synchronously moving the plurality of clamping plates, is convenient for fixing the special-shaped lithium battery BMS module by adjusting the positioning plate, and can realize the purpose of testing the lithium battery BMS module.

Description

Lithium battery BMS protection testing device

Technical Field

The utility model relates to the technical field of test equipment, in particular to a lithium battery BMS protection test device.

Background

The BMS battery system is commonly called as a battery nurse or a battery manager, and is mainly used for intelligently managing and maintaining each battery unit, preventing the battery from being overcharged and overdischarged, prolonging the service life of the battery, and monitoring the state of the battery. In the manufacturing process of lithium batteries, the BMS of the lithium batteries needs to be tested, and the existing BMS test is usually tested by manual wiring of workers, so that the test efficiency is very low.

A lithium battery BMS protection testing device for the chinese patent publication of the above-mentioned problem publication No. CN218181051U, the lithium battery BMS protection testing device comprising: the telescopic rod is arranged at the bottom of the side plate of the shell, the clamping plate is arranged at the end part of the telescopic rod, and the electric multistage hydraulic cylinder is arranged on the surface of the bottom plate of the shell; the testing device main body is movably connected to the surface of the side plate of the shell, and a testing head is movably connected below the testing device main body; the beneficial effects are as follows: clamping lithium battery BMS module under the effect of telescopic link through four splint, thereby telescopic link is flexible under the effect of spring can carry out the centre gripping to not unidimensional lithium battery BMS module, and the test head removes and locks through holding screw through the bottom of second guide rail and second movable plate in the testing arrangement main part, can test according to the position of the size adjustment test head of different lithium battery BMS module, and consequently the test head is convenient for dismouting, the maintenance of being convenient for, and the shell can play the guard action to operating personnel.

In-service use, the lithium battery BMS module is found to be fixed only by pushing the clamping plate through the spring in the telescopic rod, and the spring is specific and elastic, so that when in test, the lithium battery BMS module is subjected to external force to easily deviate, the fixation is unstable, the test of the lithium battery BMS module is affected, and therefore, the lithium battery BMS protection testing device is provided for solving the problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a protection testing device for a lithium battery BMS.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the lithium battery BMS protection testing device comprises a support shell, wherein a placement table is fixedly arranged at the top of the support shell, a plurality of driving holes are formed in the top of the placement table in a rectangular shape, and clamping plates are slidably arranged in the driving holes;

a plurality of limiting rods are fixedly arranged on the inner walls of the top and the bottom of the supporting shell, the same disc is sleeved on the limiting rods in a sliding mode, the outer sides of the discs are hinged with hinging rods, and the top ends of the hinging rods are hinged to corresponding clamping plates;

two driving grooves are formed in the inner wall of the bottom of the supporting shell, a driving seat is installed in the driving grooves in a pinching sliding mode, a pull rod is hinged to the top end of the driving seat, the top end of the pull rod is hinged to the disc, a driving mechanism is arranged on the supporting shell, and the driving mechanism is connected with the driving seat.

Preferably, the driving mechanism comprises a servo motor and a threaded rod, the threaded rod is rotatably mounted on the inner walls of the two sides of the supporting shell, the servo motor is fixedly mounted on one side of the supporting shell, and an output shaft of the servo motor is fixedly connected with the threaded rod.

Preferably, the threaded rod is provided with two external threads with opposite screwing directions, the driving seat is provided with an internal threaded hole, and the external threads are meshed with the corresponding internal threaded holes.

Preferably, the same guide rod is fixedly arranged on the inner walls of the two sides of the driving hole, and the clamping plate is sleeved on the guide rod in a sliding manner.

Preferably, one side of two clamping plates in the plurality of clamping plates is provided with a positioning plate, a limiting mechanism is arranged between the positioning plate and the corresponding clamping plate, and an adjusting mechanism is arranged between the clamping plate and the positioning plate.

Preferably, the limiting mechanism comprises a limiting hole and a limiting seat, the limiting hole is formed in the clamping plate, and the limiting seat fixedly connected with the positioning plate is slidably arranged in the limiting hole.

Preferably, the adjusting mechanism comprises a threaded hole, an adjusting screw and a handle, the threaded hole is formed in the clamping plate, the adjusting screw which is rotationally connected with the positioning plate is installed in the threaded hole through threads, and the handle is fixedly installed at one end of the adjusting screw.

Preferably, the positioning plate is provided with a groove, the inner wall of the groove is provided with an annular groove, the outer side of the adjusting screw is fixedly provided with an annular seat, and the annular seat is rotationally connected with the annular groove.

The utility model has the beneficial effects that:

1. placing the lithium battery BMS module on the placing table, and driving the threaded rod to rotate by starting the servo motor, wherein the threaded rod is provided with two external threads with opposite rotation directions, so that the threaded rod can drive the two driving seats to move, the moving directions of the two driving seats are opposite, the driving seats can drive the disc to move downwards through the pull rod, and the disc drives the clamping plates to move through the hinging rod, so that the clamping plates move towards the direction close to the lithium battery BMS module, and the purpose of clamping and fixing the lithium battery BMS module can be realized;

2. when the lithium battery BMS module is irregularly-shaped, through the handle and the adjusting screw, under the effect of the threaded hole, the adjusting screw rotates and moves simultaneously, the adjusting screw can drive the positioning plate to move, and the lithium battery BMS module can be clamped transversely and longitudinally through the two positioning plates in the transverse direction and the longitudinal direction, so that the aim of fixing the irregularly-shaped lithium battery BMS module can be achieved, and the aim of testing the lithium battery BMS module can be achieved.

Drawings

Fig. 1 is a schematic perspective view of a protection testing device for a lithium battery BMS according to the present utility model;

fig. 2 is a schematic diagram of a front view structure of a protection testing device for a lithium battery BMS according to the present utility model;

fig. 3 is a schematic structural diagram of a portion a of a protection testing device for a lithium battery BMS according to the present utility model;

fig. 4 is a schematic diagram of a portion B of a protection testing device for a lithium battery BMS according to the present utility model.

In the figure: 1. a support case; 2. a placement table; 3. a servo motor; 4. a drive hole; 5. a guide rod; 6. a clamping plate; 7. a positioning plate; 8. a hinge rod; 9. a limit rod; 10. a disc; 11. a pull rod; 12. a driving groove; 13. a driving seat; 14. a threaded rod; 15. a limiting mechanism; 16. a threaded hole; 17. adjusting a screw; 18. a handle.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Referring to fig. 1 to 4, a lithium battery BMS protection testing device comprises a support shell 1, wherein a placement table 2 is fixedly installed at the top of the support shell 1, a plurality of driving holes 4 are formed in the top of the placement table 2 in a rectangular shape, clamping plates 6 are slidably installed in the driving holes 4, a plurality of limiting rods 9 are fixedly installed on the inner walls of the top and the bottom of the support shell 1, the same disc 10 is slidably sleeved on the limiting rods 9, a hinging rod 8 is hinged to the outer side of the disc 10, the top ends of the hinging rods 8 are hinged to the corresponding clamping plates 6, more specifically, the same guide rods 5 are fixedly installed on the inner walls of the two sides of the driving holes 4, and the clamping plates 6 are slidably sleeved on the guide rods 5, so that the purpose of guiding the clamping plates 6 can be achieved through the guide rods 5, and the purpose of stably moving the clamping plates 6 can be achieved;

in this embodiment, two driving grooves 12 are formed in the inner wall of the bottom of the supporting shell 1, a driving seat 13 is installed in a pinching sliding manner in the driving grooves 12, a pull rod 11 is hinged to the top end of the driving seat 13, the top end of the pull rod 11 is hinged to the disc 10, a driving mechanism is arranged on the supporting shell 1 and is connected with the driving seat 13, and the driving seat 13 can pull the disc 10 to move downwards through the pull rod 11.

In this embodiment, actuating mechanism includes servo motor 3 and threaded rod 14, and threaded rod 14 rotates to be installed on the both sides inner wall of supporting shell 1, and servo motor 3 fixed mounting is on one side of supporting shell 1, and servo motor 3's output shaft and threaded rod 14 fixed connection are equipped with two external screw threads that revolve opposite directions on the threaded rod 14, have seted up internal thread hole 16 on the drive seat 13, and external screw thread meshes with corresponding internal thread hole 16, and the rotation of threaded rod 14 can drive two drive seats 13 and removes, and the direction of movement of two drive seats 13 is opposite.

In this embodiment, one side of two grip blocks 6 in a plurality of grip blocks 6 is equipped with locating plate 7, is equipped with stop gear 15 between locating plate 7 and the grip block 6 that corresponds, is equipped with adjustment mechanism between grip block 6 and the locating plate 7, and stop gear 15 includes spacing hole and spacing seat, and the spacing hole is seted up on grip block 6, and the spacing seat with locating plate 7 fixed connection is installed in the slip in the spacing hole, through spacing hole and spacing seat, can realize that locating plate 7 carries out stable removal.

In this embodiment, adjustment mechanism includes screw hole 16, adjusting screw 17 and handle 18, screw hole 16 is seted up on grip block 6, screw hole 16 internal thread installs adjusting screw 17 that locating plate 7 rotated and is connected, the one end fixed mounting of adjusting screw 17 has handle 18, through being provided with adjusting screw 17, the removal of adjusting screw 17 can drive locating plate 7 and remove, set up flutedly on the locating plate 7, set up the ring channel on the inner wall of recess, the outside fixed mounting of adjusting screw 17 has the annular seat, and annular seat and ring channel rotate and be connected, through being provided with annular seat and ring channel, can realize that adjusting screw 17 rotates and install on locating plate 7.

According to the utility model, a lithium battery BMS module is placed on a placement table 2, a servo motor 3 is started, the servo motor 3 can drive a threaded rod 14 to rotate, as two external threads with opposite rotation directions are arranged on the threaded rod 14, the threaded rod 14 can drive two driving seats 13 to move, the moving directions of the two driving seats 13 are opposite, the driving seats 13 can drive a disc 10 to move downwards through a pull rod 11, the disc 10 can drive a clamping plate 6 to move through a hinging rod 8, at the moment, a plurality of clamping plates 6 move towards the direction close to the lithium battery BMS module, the purpose of clamping and fixing the lithium battery BMS module can be achieved, when the lithium battery BMS module is abnormal, the adjusting screw 17 can drive a positioning plate 7 to move while rotating under the action of a threaded hole 16, the two positioning plates 7 in the transverse direction and the longitudinal direction can clamp the lithium battery BMS module, the purpose of fixing the abnormal lithium battery BMS module can be achieved, and therefore the purpose of testing the lithium battery BMS module can be achieved.

The above describes in detail the protection testing device for the lithium battery BMS provided by the utility model. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The lithium battery BMS protection testing device is characterized by comprising a supporting shell (1), wherein a placing table (2) is fixedly arranged at the top of the supporting shell (1), a plurality of driving holes (4) are formed in the top of the placing table (2) in a rectangular shape, and a clamping plate (6) is slidably arranged in the driving holes (4);

a plurality of limiting rods (9) are fixedly arranged on the inner walls of the top and the bottom of the supporting shell (1), a plurality of limiting rods (9) are sleeved with one disc (10) in a sliding mode, the outer sides of the discs (10) are hinged with hinging rods (8), and the top ends of the hinging rods (8) are hinged to corresponding clamping plates (6);

two driving grooves (12) are formed in the inner wall of the bottom of the supporting shell (1), a driving seat (13) is installed in the driving grooves (12) in a pinching sliding mode, a pull rod (11) is hinged to the top end of the driving seat (13), the top end of the pull rod (11) is hinged to the disc (10), a driving mechanism is arranged on the supporting shell (1), and the driving mechanism is connected with the driving seat (13).

2. The lithium battery BMS protection testing device according to claim 1, wherein the driving mechanism comprises a servo motor (3) and a threaded rod (14), the threaded rod (14) is rotatably installed on the inner walls of two sides of the supporting shell (1), the servo motor (3) is fixedly installed on one side of the supporting shell (1), and an output shaft of the servo motor (3) is fixedly connected with the threaded rod (14).

3. The lithium battery BMS protection testing device according to claim 2, wherein the threaded rod (14) is provided with two external threads with opposite screwing directions, the driving seat (13) is provided with an internal threaded hole (16), and the external threads are meshed with the corresponding internal threaded holes (16).

4. The lithium battery BMS protection testing device according to claim 1, wherein the same guide rod (5) is fixedly arranged on the inner walls of the two sides of the driving hole (4), and the clamping plate (6) is slidably sleeved on the guide rod (5).

5. The lithium battery BMS protection testing device according to claim 1, wherein one side of two clamping plates (6) of the plurality of clamping plates (6) is provided with a positioning plate (7), a limiting mechanism (15) is arranged between the positioning plate (7) and the corresponding clamping plate (6), and an adjusting mechanism is arranged between the clamping plate (6) and the positioning plate (7).

6. The lithium battery BMS protection testing device according to claim 5, wherein the limiting mechanism (15) comprises a limiting hole and a limiting seat, the limiting hole is formed in the clamping plate (6), and the limiting seat fixedly connected with the positioning plate (7) is slidably arranged in the limiting hole.

7. The lithium battery BMS protection testing device according to claim 5, wherein the adjusting mechanism comprises a threaded hole (16), an adjusting screw (17) and a handle (18), the threaded hole (16) is formed in the clamping plate (6), the adjusting screw (17) which is rotationally connected with the positioning plate (7) is installed in the threaded hole (16) in a threaded manner, and the handle (18) is fixedly installed at one end of the adjusting screw (17).

8. The lithium battery BMS protection testing device according to claim 7, wherein the positioning plate (7) is provided with a groove, the inner wall of the groove is provided with an annular groove, the outer side of the adjusting screw (17) is fixedly provided with an annular seat, and the annular seat is rotationally connected with the annular groove.