CN218181051U

CN218181051U - Lithium battery BMS protection testing device

Info

Publication number: CN218181051U
Application number: CN202222380522.1U
Authority: CN
Inventors: 易建; 李尚东; 陈俊
Original assignee: Heneng Suzhou New Energy Technology Co ltd
Current assignee: Heneng Suzhou New Energy Technology Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2022-12-30
Anticipated expiration: 2032-09-07

Abstract

The utility model relates to a BMS field specifically discloses a lithium battery BMS protection testing arrangement, lithium battery BMS protection testing arrangement includes: the device comprises a shell, wherein a telescopic rod is arranged at the bottom of a side plate of the shell, a clamping plate is arranged at the end part of the telescopic rod, and an electric multistage hydraulic cylinder is arranged on the surface of a 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 to the lower part of the testing device main body; the beneficial effects are that: through four splint centre gripping lithium cell BMS modules under the effect of telescopic link, thereby the telescopic link can carry out the centre gripping to not unidimensional lithium cell BMS module under the effect of spring, and the test head moves and locks through holding screw in the bottom of testing arrangement main part through second guide rail and second movable plate, can test according to the position of the size adjustment test head of different lithium cell BMS modules, and consequently the test head makes things convenient for the dismouting, easy access, and the shell can play the guard action to operating personnel.

Description

Lithium battery BMS protection testing device

Technical Field

The utility model relates to a lithium cell field specifically is a lithium cell BMS protection testing arrangement.

Background

The BMS battery system is commonly called a battery caregiver or a battery manager and mainly aims to intelligently manage and maintain each battery unit, prevent overcharge and overdischarge of the battery, prolong the service life of the battery, and monitor the state of the battery.

In the manufacturing process of lithium cell, need test the BMS of lithium cell, current BMS test is tested by workman's manual wiring usually, and efficiency of software testing is very low.

Chinese utility model CN202122981644.1 a BMS circuit board testing device chinese utility model cn201822141997.9BMS board testing jig; the utility model discloses the homoenergetic improves lithium battery BMS's efficiency of software testing more than two authorizations.

However, when the above-mentioned BMS testing device is tested, the former places the lithium battery BMS module in the fixing groove of the fixing base, the size of the fixing groove is fixed, the latter fixes the lithium battery BMS module on the BMS support plate, the size of the groove on the support plate is fixed, the two can not install and test the lithium battery BMS module with various different model sizes, certain limitation is provided when the device is used, and the two lithium battery BMS module and the device are exposed to the front of the worker when the device is tested, and the device is short of a protection structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell BMS protects testing arrangement to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium cell BMS protection testing arrangement, lithium cell BMS protection testing arrangement includes:

the device comprises a shell, wherein a telescopic rod is arranged at the bottom of a side plate of the shell, a clamping plate is arranged at the end part of the telescopic rod, and an electric multistage hydraulic cylinder is arranged on the surface of a bottom plate of the shell;

the testing device comprises a testing device body, wherein the testing device body is movably connected to the surface of the side plate of the shell, and a testing head is movably connected to the lower portion of the testing device body.

Preferably, the housing is a hollow square structure without a cover, a square mounting opening is formed in one side plate of the housing, the side plate behind the housing is higher than other parts, first guide rails are fixed on the surface of the side plate behind the housing, the first guide rails are of a plate-shaped structure with an L-shaped cross section, the two first guide rails are symmetrically arranged, a first moving plate is slidably mounted between the two first guide rails, the width of the first moving plate is equal to the distance between the two first guide rails, and the first moving plate is fixed at the end of the testing device main body.

Preferably, the telescopic link includes one section hollow thick square pole and one section hollow thin square pole, and thick square pole cover is established on the surface of thin square pole, and is connected with the spring between the tip of thick square pole and the tip of thin square pole, and the telescopic link respectively is fixed with one in the bottom of four curb plates of shell, is fixed with four altogether.

Preferably, the lower surface of the testing device main body is fixed with two second guide rails, the second guide rails are of a plate-shaped structure with an L-shaped cross section, the two second guide rails are symmetrically arranged, a second moving plate is slidably mounted between the two second guide rails, the width of the second moving plate is equal to the distance between the two second guide rails, a wiring port is formed in the middle of the second moving plate, the lower surface of the second moving plate is fixed with a testing head, the surface of each second guide rail is provided with a set screw, and the set screw penetrates through the second guide rails and then abuts against the side faces of the second moving plate.

Preferably, the end parts of the electric multi-stage hydraulic cylinders are fixed on the lower surface of the first moving plate, and the number of the electric multi-stage hydraulic cylinders is two.

Preferably, the clamping plate is of a square plate-shaped structure, and the side edge of the upper surface of the clamping plate is provided with a chamfer.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a lithium battery BMS protection testing arrangement is through four splint centre gripping lithium battery BMS modules under the effect of telescopic link, thereby the telescopic link can carry out the centre gripping to not unidimensional lithium battery BMS module under the effect of spring, and the test head removes and locks through holding screw through second guide rail and second movable plate in the bottom of testing arrangement main part, can test according to the position of the size adjustment test head of different lithium battery BMS modules, and therefore the test head makes things convenient for the dismouting, convenient to overhaul, and the shell can play the guard action to operating personnel.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the present invention;

fig. 3 is a schematic sectional view of the present invention.

In the figure: the test device comprises a shell 1, a telescopic rod 2, a clamping plate 3, an electric multi-stage hydraulic cylinder 4, a testing device main body 5, a testing head 6, a first guide rail 7, a first movable plate 8, a spring 9, a second guide rail 10, a second movable plate 11, a set screw 12 and a lithium battery BMS module 13.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.

Example one

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a lithium cell BMS protection testing arrangement, lithium cell BMS protection testing arrangement includes: the device comprises a shell 1, wherein a telescopic rod 2 is arranged at the bottom of a side plate of the shell 1, a clamping plate 3 is arranged at the end part of the telescopic rod 2, and an electric multistage hydraulic cylinder 4 is arranged on the surface of a bottom plate of the shell 1; the testing device comprises a testing device body 5 which is movably connected to the surface of a side plate of the shell 1, and a testing head 6 is movably connected below the testing device body 5.

Through four splint 3 centre gripping lithium battery BMS module 13 under the effect of telescopic link 2, thereby telescopic link 2 can carry out the centre gripping to not unidimensional lithium battery BMS module 13 under the effect of spring 9, and test head 6 removes and locks through holding screw 12 in the bottom of testing arrangement main part 5 through second guide rail 10 and second movable plate 11, can test according to the position of the size adjustment test head 6 of different lithium battery BMS modules 13, and consequently, test head 6 makes things convenient for the dismouting, convenient to overhaul, and shell 1 can play the guard action to operating personnel.

Example two

On the basis of the first embodiment, in order to improve the testing efficiency of the lithium battery BMS module 13, the housing 1 is a hollow and uncovered square structure, one side plate of the housing 1 is provided with a square mounting opening, the side plate at the rear of the housing 1 is higher than other parts, a first guide rail 7 is fixed on the surface of the side plate at the rear of the housing 1, the first guide rail 7 is of a plate-shaped structure with an L-shaped cross section, two first guide rails 7 are symmetrically arranged, a first moving plate 8 is slidably mounted between the two first guide rails 7, the width of the first moving plate 8 is equal to the distance between the two first guide rails 7, and the first moving plate 8 is fixed at the end of the testing device main body 5; the end parts of the electric multi-stage hydraulic cylinders 4 are fixed on the lower surface of the first moving plate 8, and the number of the electric multi-stage hydraulic cylinders 4 is two.

After the position of lithium battery BMS module 13 and well adjusted test head 6 is well held, starting drive, under the control of test device main part 5, the ejector pin of electric multistage hydraulic cylinder 4 contracts, it moves down in first guide rail 7 to drive first movable plate 8, first movable plate 8 moves down and drives test device main part 5 and test head 6 to move down, make the probe of test head 6 insert the kneck on lithium battery BMS module 13 surface and test, after the test is accomplished, the ejector pin extension of electric multistage hydraulic cylinder 4, drive first movable plate 8 and move up, and then drive test device main part 5 and test head 6 and shift up, then can take off lithium battery BMS module 13 and accomplish the test, whole process operation is simple, can improve efficiency of software testing.

EXAMPLE III

On the basis of the second embodiment, in order to test and conveniently disassemble and assemble the lithium battery BMS modules 13 with different types and sizes, the telescopic rod 2 comprises a section of hollow thick square rod and a section of hollow thin square rod, the thick square rod is sleeved on the surface of the thin square rod, a spring 9 is connected between the end part of the thick square rod and the end part of the thin square rod, and the telescopic rod 2 is fixed at the bottom of each of the four side plates of the housing 1, wherein the number of the telescopic rods is four; the lower surface of the testing device main body 5 is fixed with second guide rails 10, the second guide rails 10 are of a plate-shaped structure with an L-shaped section, the number of the second guide rails 10 is two, a second moving plate 11 is slidably mounted between the two second guide rails 10, the width of the second moving plate 11 is equal to the distance between the two second guide rails 10, a wire walking port is formed in the middle of the second moving plate 11, the testing head 6 is fixed on the lower surface of the second moving plate 11, a fastening screw 12 is arranged on the surface of each second guide rail 10, and the fastening screw 12 penetrates through the second guide rails 10 and then abuts against the side face of the second moving plate 11; the clamping plate 3 is of a square plate-shaped structure, and a chamfer is formed on the side edge of the upper surface of the clamping plate 3.

Put into the inside of shell 1 with lithium cell BMS module 13 from the square installing port department of shell 1 curb plate, then press down lithium cell BMS module 13 from the chamfer department on splint 3, also can use the finger to dial splint 3 open, press lithium cell BMS module 13 to the bottom plate of shell 1, under the spring action of telescopic link 2 and 2 internal spring 9 of telescopic link, four splint 3 press from both sides lithium cell BMS module 13 tightly and make lithium cell BMS module 13 be located the intermediate position of shell 1 bottom plate, then adjust the position of test head 6, remove second movable plate 11 and make it slide in the inside of second guide rail 10, second movable plate 11 removes and drives test head 6 and remove, after removing test head 6 to suitable position, tighten set screw 12 locks the position of test head 6, drive through the flexibility of test head 2 splint 3 and remove and can realize the lithium cell BMS module 13 of the different model sizes of centre gripping, and make it can test different lithium cell BMS modules 13 of size through the model of test head 6 and carry out the dismouting from the second guide rail very much more conveniently through the model of test head 6, it is convenient to screw take out from the second guide rail 11.

During actual use, the lithium battery BMS module 13 is placed into the shell 1 from a square mounting opening of a side plate of the shell 1, then the lithium battery BMS module 13 is pressed down from a chamfer on the clamping plate 3, the clamping plate 3 can be also pulled away by fingers, the lithium battery BMS module 13 is pressed on a bottom plate of the shell 1, under the elastic action of the springs 9 inside the telescopic rods 2 and the telescopic rods 2, the four clamping plates 3 clamp the lithium battery BMS module 13 and enable the lithium battery BMS module 13 to be located in the middle of the bottom plate of the shell 1, then the position of the test head 6 is adjusted, the second movable plate 11 is moved to slide in the second guide rail 10, the second movable plate 11 is moved to drive the test head 6 to move, after the test head 6 is moved to a proper position, the tightening set screw 12 locks the position of the test head 6, the clamping of the lithium battery BMS modules 13 with different models and sizes can be realized by moving the clamping plate 3 through the flexibility of the telescopic rods 2, and the test head 6 can be very conveniently taken out of the test head 13 and the second guide rail 10; after the position of lithium cell BMS module 13 and well adjusted test head 6 has been held, starting drive, under the control of testing arrangement main part 5, the ejector pin shrink of electronic multistage pneumatic cylinder 4, it moves down in first guide rail 7 to drive first movable plate 8, first movable plate 8 moves down and drives testing arrangement main part 5 and test head 6 and move down, make the probe of test head 6 insert the kneck on lithium cell BMS module 13 surface and test, after the test is accomplished, the ejector pin extension of electronic multistage pneumatic cylinder 4 drives first movable plate 8 and moves up, and then drive testing arrangement main part 5 and test head 6 and shift up, then can take off lithium cell BMS module 13 and accomplish the test, whole process operation is simple, can improve efficiency of software testing, to sum up: through four splint 3 centre gripping lithium battery BMS module 13 under the effect of telescopic link 2, thereby telescopic link 2 can carry out the centre gripping to not unidimensional lithium battery BMS module 13 under the effect of spring 9, and test head 6 removes and locks through holding screw 12 in the bottom of testing arrangement main part 5 through second guide rail 10 and second movable plate 11, can test according to the position of the size adjustment test head 6 of different lithium battery BMS modules 13, and consequently, test head 6 makes things convenient for the dismouting, convenient to overhaul, and shell 1 can play the guard action to operating personnel.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lithium cell BMS protection testing arrangement which characterized in that: lithium battery BMS protection testing arrangement includes:

the hydraulic lifting device comprises a shell (1), wherein a telescopic rod (2) is arranged at the bottom of a side plate of the shell (1), a clamping plate (3) is arranged at the end part of the telescopic rod (2), and an electric multi-stage hydraulic cylinder (4) is arranged on the surface of a bottom plate of the shell (1);

the testing device comprises a testing device body (5) which is movably connected to the surface of a side plate of the shell (1), and a testing head (6) is movably connected to the lower portion of the testing device body (5).

2. The lithium battery BMS protection testing device of claim 1, wherein: the testing device is characterized in that the shell (1) is of a hollow uncovered square structure, a square mounting opening is formed in one side plate of the shell (1), the side plate at the rear of the shell (1) is higher than other parts, a first guide rail (7) is fixed to the surface of the side plate at the rear of the shell (1), the first guide rail (7) is of an L-shaped plate structure, the two first guide rails (7) are symmetrically arranged, a first moving plate (8) is slidably mounted between the two first guide rails (7), the width of the first moving plate (8) is equal to the distance between the two first guide rails (7), and the first moving plate (8) is fixed at the end of the testing device main body (5).

3. The lithium battery BMS protection testing device of claim 1, wherein: the telescopic link (2) comprises a hollow thick square rod and a hollow thin square rod, the thick square rod is sleeved on the surface of the thin square rod, a spring (9) is connected between the end part of the thick square rod and the end part of the thin square rod, and the telescopic link (2) is respectively fixed with one and four in the bottoms of the four side plates of the shell (1).

4. The lithium battery BMS protection testing device of claim 1, wherein: the lower surface of the testing device main body (5) is fixed with two second guide rails (10), the second guide rails (10) are of an L-shaped plate-shaped structure, the second guide rails (10) are symmetrically arranged, a second moving plate (11) is arranged between the two second guide rails (10) in a sliding mode, the width of the second moving plate (11) is equal to the distance between the two second guide rails (10), a wire running port is formed in the middle of the second moving plate (11), a testing head (6) is fixed to the lower surface of the second moving plate (11), set screws (12) are arranged on the surface of the second guide rails (10), and the set screws (12) penetrate through the second guide rails (10) and then push against the side faces of the second moving plate (11).

5. The lithium battery BMS protection testing device of claim 1, wherein: the end parts of the electric multi-stage hydraulic cylinders (4) are fixed on the lower surface of the first moving plate (8), and the number of the electric multi-stage hydraulic cylinders (4) is two.

6. The lithium battery BMS protection testing device of claim 1, wherein: the clamping plate (3) is of a square plate-shaped structure, and the side edge of the upper surface of the clamping plate (3) is provided with a chamfer.