CN215865429U

CN215865429U - Lithium battery module differential pressure prediction experiment table

Info

Publication number: CN215865429U
Application number: CN202122014178.XU
Authority: CN
Inventors: 吕振涛; 张鸥; 李宏浴; 杨俊强; 刘鹏飞
Original assignee: Henan Pingmei Guoneng Lithium Power Co ltd
Current assignee: Henan Pingmei Guoneng Lithium Power Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-02-18
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a lithium battery module differential pressure prediction experiment table, which comprises a frame and a placing plate, wherein vertical plates are fixedly arranged on two sides of the top end of the frame, a top plate is fixedly arranged on the top between the two vertical plates, a displacement groove is formed in the bottom of the top plate, a first connecting gear and a second connecting gear are respectively arranged on one opposite sides of the two vertical plates, a threaded column is arranged between the two first connecting gears, and the middle part of the threaded column is in threaded connection with two sliding rods, the voltage platform trend of the battery made of the material is controlled by arranging transverse scale lines, longitudinal scale lines and a weight sensor to control the particle size, the ratio table and the coating condition of the anode and cathode raw materials, and to the pressure differential scope behind the shaping of the curve fit prediction module of the charge-discharge of monomer lithium cell, avoid the staff to disassemble and change the battery, improve the detection efficiency of lithium cell module pressure differential.

Description

Lithium battery module differential pressure prediction experiment table

Technical Field

The utility model relates to the technical field of battery cell matching, in particular to a lithium battery module pressure difference prediction experiment table.

Background

With the explosion of new energy vehicles and lithium battery energy storage markets, the use of lithium ion batteries is explosively increased, how to quickly evaluate the consistency of a lithium ion battery module in the use process is one of important technologies for ensuring normal use, replacement and maintenance and echelon utilization of the lithium ion batteries, however, the existing common method is to completely charge and discharge a battery system, then check the voltage difference of each battery cell, so as to evaluate the consistency of the battery module, when the detected pressure difference is unqualified, the batteries need to be disassembled and replaced again, time and labor are consumed, and the detection efficiency of the pressure difference of the lithium battery module is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lithium battery module differential pressure prediction experiment table, which aims to solve the problems that the existing common method proposed in the background technology is to completely charge and discharge a battery system, then to check the voltage difference of each battery core so as to evaluate the consistency of battery modules, and when the detected differential pressure is unqualified, the battery needs to be disassembled again and replaced, the time and the labor are consumed, and the detection efficiency of the lithium battery module differential pressure is reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: a lithium battery module pressure difference prediction experiment table comprises a frame and a placing plate, wherein vertical plates are fixedly arranged on two sides of the top end of the frame, a top plate is fixedly arranged at the top part between the two vertical plates, a displacement groove is formed in the bottom of the top plate, a first connecting gear and a second connecting gear are respectively arranged on one opposite side of the two vertical plates, a threaded column is arranged between the two first connecting gears, two sliding rods are in threaded connection with the middle of the threaded column, electric telescopic rods are fixedly arranged at the bottoms of the two sliding rods, clamping frames are fixedly arranged at the movable ends of the two electric telescopic rods, weight sensors are fixedly arranged on one sides of the two clamping frames, four supporting columns are fixedly arranged in the middle of the top end of the frame, the tops of the four supporting columns are fixedly arranged at the bottom part of the placing plate, and a plurality of transverse scale marks are arranged on the surface of the placing plate, the surface of the two clamping frames is provided with a plurality of longitudinal scale marks, and one side of the rack is sequentially and fixedly provided with a lifting switch, a clamping switch and a dial gauge detection switch from left to right.

As a preferred technical scheme of the utility model, one side of one of the vertical plates is provided with a driving wheel and a driven wheel, one of the vertical plates is fixedly provided with a connecting plate positioned above the driving wheel, the bottom of the connecting plate is fixedly provided with a driving motor, the output end of the driving motor is fixedly connected with the driving wheel, the driving wheel is in transmission connection with the driven wheel through a belt, one end of the threaded column sequentially penetrates through the adjacent vertical plate and the adjacent first connecting gear to be fixedly connected with one end of the driven wheel, and the driving motor is electrically connected with the clamping switch.

As a preferable technical scheme of the utility model, the two electric telescopic rods are electrically connected with the lifting switch.

As a preferable technical scheme of the utility model, a knocking rod positioned below the placing plate is connected between the two second connecting gears, knocking plates are fixedly mounted at two ends of one side of the knocking rod, and the outer sides of the two first connecting gears are respectively in meshed connection with the outer sides of the two second connecting gears.

As a preferable technical solution of the present invention, both the two weight sensors are electrically connected to a dial gauge detection switch.

As a preferable technical scheme of the utility model, the two sliding rods are both in sliding connection with the displacement groove.

Compared with the prior art, the utility model has the beneficial effects that: the particle size, the ratio table and the cladding condition of the positive and negative raw materials are controlled by setting the transverse scale lines, the longitudinal scale lines and the weight sensor, the voltage platform trend of the battery made of the materials is controlled, the pressure difference range after the module is predicted by curve fitting of charge and discharge of the single lithium battery is avoided, the disassembly and replacement of the battery by workers is avoided, and the detection efficiency of the pressure difference of the lithium battery module is improved.

Drawings

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

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

FIG. 3 is a connection diagram of the threaded post and the rack of the present invention;

fig. 4 is a view showing the connection of the second connecting gear of the present invention to the striking rod.

In the figure: 1. a frame; 2. a lifting switch; 3. a gripping switch; 4. a scale detection switch; 5. a vertical plate; 6. a first connecting gear; 7. a top plate; 8. a connecting plate; 9. a threaded post; 10. a drive motor; 11. a driving wheel; 12. a driven wheel; 13. a support pillar; 14. horizontal scale lines; 15. placing the plate; 16. a displacement slot; 17. a slide bar; 18. an electric telescopic rod; 19. a gripping frame; 20. longitudinal scale lines; 21. a weight sensor; 22. knocking the plate; 23. a knock rod; 24. and a second connecting gear.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, the utility model provides a lithium battery module differential pressure prediction experiment table, which comprises a frame 1 and a placing plate 15, wherein vertical plates 5 are fixedly installed on both sides of the top end of the frame 1, a top plate 7 is fixedly installed on the top between the two vertical plates 5, a displacement groove 16 is formed in the bottom of the top plate 7, a first connecting gear 6 and a second connecting gear 24 are installed on one opposite side of each vertical plate 5, a threaded column 9 is installed between the two first connecting gears 6, two sliding rods 17 are in threaded connection with the middle of the threaded column 9, electric telescopic rods 18 are fixedly installed at the bottoms of the two sliding rods 17, clamping frames 19 are fixedly installed at the movable ends of the two electric telescopic rods 18, weight sensors 21 are fixedly installed on one side of each clamping frame 19, four supporting columns 13 are fixedly installed at the middle of the top end of the frame 1, the tops of the four supporting columns 13 are fixedly installed at the bottoms of the placing plate 15, place the surface of board 15 and seted up the horizontal scale mark 14 of a plurality of, the vertical scale mark 20 of a plurality of has been seted up on the surface of two clamps 19, one side of frame 1 from left to right in proper order fixed mounting have lifting switch 2, press from both sides and get switch 3 and compare table detection switch 4, the grain diameter that the staff of being convenient for measured lithium battery module through setting up horizontal scale mark 14 is long, through setting up vertical scale mark 20, the staff of being convenient for calculates lithium battery module's total area, the staff of being convenient for calculates its specific volume through setting up weight sensor 21.

Preferably, a driving wheel 11 and a driven wheel 12 are installed on one side of one of the vertical plates 5, a connecting plate 8 located above the driving wheel 11 is fixedly installed on one of the vertical plates 5, a driving motor 10 is fixedly installed at the bottom of the connecting plate 8, the output end of the driving motor 10 is fixedly connected with the driving wheel 11, the driving wheel 11 is in transmission connection with the driven wheel 12 through a belt, one end of each threaded column 9 sequentially penetrates through the adjacent vertical plate 5 and the adjacent first connecting gear 6 to be fixedly connected with one end of the driven wheel 12, the driving motor 10 is electrically connected with the clamping switch 3, a worker presses down the clamping switch 3, the driving motor 10 is started, the driving motor 10 drives the driving wheel 11 to rotate, the driving wheel 11 drives the driven wheel 12 to rotate through the belt, the driven wheel 12 drives the threaded columns 9 to rotate, threads formed on the threaded columns 9 are reversed, so that the two sliding rods 17 can perform relative motion, facilitating its clamping.

Preferably, two electric telescopic handle 18 all with 2 electric connection of lift switch, the staff presses lift switch 2, and electric telescopic handle 18 starts, and electric telescopic handle 18 drives to press from both sides and gets 19 and reciprocate, presss from both sides to get 19 from both sides and presss from both sides to it and press from both sides tightly fixedly.

Preferably, be connected with between two second connecting gear 24 and be located the board 15 below of placing and strike pole 23, the equal fixed mounting in both ends of striking pole 23 one side has and strikes board 22, the outside of two first connecting gear 6 is connected with the outside meshing of two second connecting gear 24 respectively, threaded post 9 drives first connecting gear 6 and rotates, first connecting gear 6 drives second connecting gear 24 and rotates, second connecting gear 24 drives and strikes pole 23 periodic rotation, make and strike board 22 periodic pair and place board 15 and beat, make and place the dispersion of lithium cell module on the board 15 and place, the staff of being convenient for gets the measurement to its clamp.

Preferably, two weight sensor 21 all with than table detection switch 4 electric connection, the staff presses down than table detection switch 4, two weight sensor 21 start, and two weight sensor 21 are responded to the weight of the lithium battery module of pressing from both sides and getting on the frame 19.

Preferably, two slide bars 17 all are connected with displacement groove 16 sliding, and in order that two slide bars 17 can be spacing, let it only slide, can not rotate, displacement groove 16 specific shape is square, and the size matches with slide bar 17, and slide bar 17 just can follow linear motion like this.

When the lithium battery module differential pressure prediction experiment table is used, a worker places a lithium battery module on a placing plate 15, presses down a clamping switch 3, a driving motor 10 is started, the driving motor 10 drives a driving wheel 11 to rotate, the driving wheel 11 drives a driven wheel 12 to rotate through a belt, the driven wheel 12 drives a threaded column 9 to rotate, threads formed on the threaded column 9 are reversed, so that two sliding rods 17 can move relatively to facilitate clamping, the threaded column 9 drives a first connecting gear 6 to rotate, the first connecting gear 6 drives a second connecting gear 24 to rotate, the second connecting gear 24 drives a knocking rod 23 to rotate periodically, the knocking plate 22 periodically knocks the placing plate 15, the lithium battery modules on the placing plate 15 are placed in a dispersed mode, the lithium battery modules can be clamped and measured conveniently by the worker, the worker presses down a lifting switch 2, the electric telescopic rod 18 is started, the electric telescopic rod 18 drives the clamping frame 19 to move up and down, the clamping frame 19 clamps and fixes the lithium battery module from two sides of the lithium battery module, the arrangement of the transverse scale lines 14 is convenient for workers to measure the grain diameter length of the lithium battery module, the arrangement of the longitudinal scale lines 20 is convenient for the workers to calculate the total area of the lithium battery module, the workers press the dial gauge detection switch 4, the two weight sensors 21 are started, the two weight sensors 21 sense the weight of the lithium battery module clamped on the clamping frame 19, the weight sensor 21 is arranged to facilitate the calculation of the specific volume of the material by workers, the workers can produce materials with different particle sizes and specific tables and carbon coating conditions according to different development requirements, the collection and analysis of voltage values in different states are added to the capacity grading process, new equipment and processes are not required to be added, and the sorting and grouping of the charging and discharging curves are realized; through particle diameter, the table and the cladding condition to lithium battery module, sorting and matching the group at sorting process utilization capacity, voltage difference value, receive the charge-discharge curve of all monomer electricity cores in the integrated type module, the terminal pressure differential of charge-discharge can confirm the pressure differential of shaping module basically, avoids the staff to disassemble and change the battery, improves lithium battery module pressure differential's detection efficiency.

Claims

1. The utility model provides a lithium cell module pressure differential prediction laboratory bench, includes frame (1) and places board (15), its characterized in that: vertical plates (5) are fixedly mounted on two sides of the top end of the rack (1), a top plate (7) is fixedly mounted at the top between the two vertical plates (5), a displacement groove (16) is formed in the bottom of the top plate (7), a first connecting gear (6) and a second connecting gear (24) are mounted on one side, opposite to the two vertical plates (5), of the two vertical plates, a threaded column (9) is mounted between the two first connecting gears (6), two sliding rods (17) are in threaded connection with the middle of the threaded column (9), electric telescopic rods (18) are fixedly mounted at the bottoms of the two sliding rods (17), clamping frames (19) are fixedly mounted at the movable ends of the two electric telescopic rods (18), weight sensors (21) are fixedly mounted on one sides of the clamping frames (19), and four support columns (13) are fixedly mounted in the middle of the top end of the rack (1), the four equal fixed mounting in top of support column (13) is in the bottom of placing board (15), place the surface of board (15) and seted up horizontal scale mark of a plurality of (14), two press from both sides the surface of getting frame (19) and seted up vertical scale mark of a plurality of (20), one side of frame (1) from left to right in proper order fixed mounting have lifting switch (2), press from both sides and get switch (3) and compare table detection switch (4).

2. The lithium battery module differential pressure prediction experiment table of claim 1, characterized in that: one of them action wheel (11) and follow driving wheel (12) are installed to one side of riser (5), one of them riser (5) fixed mounting has connecting plate (8) that are located action wheel (11) top, the bottom fixed mounting of connecting plate (8) has driving motor (10), the output and action wheel (11) fixed connection of driving motor (10), action wheel (11) are connected with driving wheel (12) transmission through the belt, the one end of screw thread post (9) passes adjacent riser (5) and adjacent first connecting gear (6) and the one end fixed connection from driving wheel (12) in proper order, driving motor (10) and clamp switch (3) electric connection.

3. The lithium battery module differential pressure prediction experiment table of claim 1, characterized in that: and the two electric telescopic rods (18) are electrically connected with the lifting switch (2).

4. The lithium battery module differential pressure prediction experiment table of claim 1, characterized in that: a knocking rod (23) located below the placing plate (15) is connected between the two second connecting gears (24), knocking plates (22) are fixedly mounted at two ends of one side of the knocking rod (23), and the outer sides of the two first connecting gears (6) are respectively meshed with the outer sides of the two second connecting gears (24).

5. The lithium battery module differential pressure prediction experiment table of claim 1, characterized in that: the two weight sensors (21) are electrically connected with the dial gauge detection switch (4).

6. The lithium battery module differential pressure prediction experiment table of claim 1, characterized in that: the two sliding rods (17) are both connected with the displacement groove (16) in a sliding manner.