CN217332766U - K value test system for battery module - Google Patents

K value test system for battery module Download PDF

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Publication number
CN217332766U
CN217332766U CN202220720404.8U CN202220720404U CN217332766U CN 217332766 U CN217332766 U CN 217332766U CN 202220720404 U CN202220720404 U CN 202220720404U CN 217332766 U CN217332766 U CN 217332766U
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China
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bottom plate
battery module
cylinder
value
tester
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CN202220720404.8U
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Chinese (zh)
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岳刚
郑从吉
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Chongqing Jinkang Power New Energy Co Ltd
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Chongqing Jinkang Power New Energy Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model discloses a K value testing system of a battery module, which comprises a frame, a tester and a testing mechanism, wherein the tester and the testing mechanism are arranged on the frame; the testing mechanism comprises a lifting cylinder, a first bottom plate and an inserting cylinder, the movable end of the lifting cylinder is connected with the first bottom plate, the inserting cylinder is arranged on the first bottom plate, and the movable end of the inserting cylinder is provided with a plug matched with the battery module; still include the industrial computer, the tester is connected with the industrial computer. With battery module drive belt test station, the lift cylinder will insert the cylinder and descend to target in place, then insert the jack that the battery module corresponds through inserting the cylinder with the plug in, the first data of battery module has been realized spreading into the industrial computer, and the tester tests the battery module. Compared with the existing method that data are manually collected and then the K value is calculated in a computer, the error probability is reduced, and the efficiency is improved.

Description

K value test system for battery module
Technical Field
The utility model relates to a battery module detects technical field, concretely relates to battery module K value test system.
Background
At present, a plurality of battery modules of battery PACKs produced by vehicle enterprises or battery assembly plants usually adopt an external supply mode and are provided by battery module production enterprises. There is geographical interval battery module manufacturing enterprise and PACK manufacturing enterprise, need can reach the PACK workshop through long distance transport after the battery module production. Corresponding parameter detection, such as battery K value detection, needs to be carried out on the battery module before PACK production.
At present, the tradition way is the voltage value of artifical collection battery module when the battery module production line rolls off the production line, after the battery module transports to the PACK production line, collect and detect module voltage value before the PACK section assembly, then calculate the K value of battery module, current battery module K value detects generally through after gathering twice data manually, at the current detection method tradition of the K value of leading-in calculation battery module of data by the manual work, the efficiency of software testing is low, degree of automation is low, it is difficult to manage to trace back to data preservation.
Publication No. CN 112986843 a discloses a battery module detection method, which only discloses how to automatically acquire data on two sides required by a K value of a battery module, directly acquires data when leaving a factory for the first time, and does not disclose how to specifically acquire data for the second time.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the data to obtaining battery module at present twice all are through artificial method, lead to data all probably to make mistakes and the problem of inefficiency at the in-process of input and transmission, provide a battery module K value test system.
In order to realize the purpose of the utility model, the utility model provides a following technical scheme:
a K value test system of a battery module comprises a rack, a tester and a test mechanism, wherein the tester and the test mechanism are arranged on the rack; the testing mechanism comprises a lifting cylinder, a first bottom plate and an inserting cylinder, wherein the movable end of the lifting cylinder is connected with the first bottom plate, the inserting cylinder is arranged on the first bottom plate, and a plug matched with the battery module is arranged at the movable end of the inserting cylinder; still include the industrial computer, the tester is connected with the industrial computer.
Preferably, clamping cylinders are installed on two sides of the lower portion of the first bottom plate, a second bottom plate is installed at the movable end of each clamping cylinder, and clamping blocks are installed on the second bottom plate. Both sides of first bottom plate all are equipped with die clamping cylinder, and two die clamping cylinder move simultaneously, press from both sides tight battery module through pressing from both sides tight piece and prevent that the position from changing for insert in the cylinder drives the plug and can accurately insert battery module.
Preferably, the clamping block is L-shaped. It is equivalent to installing the L-shaped clamping blocks at the four corners of the battery module, so that the displacement of the clamping blocks can be further prevented.
Preferably, a positioning cylinder is installed on the second bottom plate, a third bottom plate is connected to the movable end of the positioning cylinder, positioning pins are arranged on two sides of the third bottom plate, positioning holes are formed in the battery module, and the outer diameters of the positioning pins are matched with the diameters of the positioning holes. In order to accurately position the position of the plug and prolong the service life of the plug, the positioning cylinder is adopted to drive the positioning pin to move, so that the positioning pin can be accurately inserted into the positioning hole to be positioned.
Preferably, a U-shaped opening is formed in one side, facing the second bottom plate, of the third bottom plate, and the second bottom plate is located in the U-shaped opening. The U-shaped opening of the third bottom plate is in contact with the second bottom plate, which is equivalent to the effect that the second bottom plate guides the third bottom plate.
Preferably, the inserting cylinder is installed below the third bottom plate, a movable end of the inserting cylinder is connected with a fourth bottom plate, and the plug is installed on the fourth bottom plate. The position is fixed by the positioning cylinder and then the plug is driven by the inserting cylinder to connect.
Preferably, insert the cylinder base's lower part and install the fifth bottom plate, be equipped with the through-hole on the fifth bottom plate, the fourth bottom plate with be close to fifth bottom plate one side is equipped with the connecting rod, the connecting rod passes the through-hole, the cover is equipped with buffer spring on the connecting rod, the connecting rod is kept away from the one end of fourth bottom plate is connected with spacing bolt. When placing through buffer spring and inserting the cylinder and drive the plug and extract, strength is too big once, causes the damage to the plug, can be so that to insert the cylinder and slowly retract through buffer spring, reduces the damage to the plug, and spacing bolt can prevent that the connecting rod from having passed the through-hole, and is inconvenient when the return.
Preferably, the fixing frame is provided with a guide hole, a guide rod is arranged in the guide hole in a sliding mode, and the bottom of the guide rod is connected with the first bottom plate. The lifting cylinder plays a guiding role through the guide rod in the downward movement process, and the lifting cylinder is vertically downward when being pressed.
Preferably, universal wheel and fixed column are installed to the bottom of frame, the fixed column with frame threaded connection, the fixed disk is installed to the bottom of fixed column. Can shift the frame to suitable position through the universal wheel, shift to and rotate out the fixed column after suitable position for the fixed disk contacts with ground, places the frame and slides.
Preferably, the system further comprises a display, and the display is electrically connected with the industrial personal computer. The industrial computer displays the detection result on the display, so that the staff can know the detection condition in real time.
Compared with the prior art, the beneficial effects of the utility model are that: on at first placing the battery module on the conveyer belt through the manipulator when carrying out the secondary and acquireing data, the conveyer belt is with battery module drive belt test station, will insert the cylinder through the lift cylinder and descend to target in place after that, then insert the jack that the battery module corresponds in with the plug through inserting the cylinder, the first data of battery module has been realized spreading into in the industrial control computer, the tester tests the battery module, the industrial control computer calculates the K value after obtaining the second secondary data of battery module K value, insert cylinder and lift cylinder at last and reset, if the K value is qualified then the drive belt sends into next station with the battery module, if unqualified then report to the police and take out. Compared with the existing method that data are manually collected and then the K value is calculated in a computer, the error probability is reduced, and the efficiency is improved.
Description of the drawings:
fig. 1 is a schematic structural diagram of a K value testing system of a battery module according to the present invention;
FIG. 2 is a schematic structural diagram of a testing mechanism;
FIG. 3 is a front view of FIG. 2;
fig. 4 is a schematic structural diagram of the plug.
The labels in the figure are: 1-a rack, 2-a tester, 3-a testing mechanism, 4-a fixing frame, 5-a lifting cylinder, 6-a first bottom plate, 7-an inserting cylinder, 8-a plug, 9-a display, 10-a clamping cylinder, 11-a second bottom plate, 12-a clamping block, 13-a positioning cylinder, 14-a third bottom plate, 15-a positioning pin, 17-a fourth bottom plate, 18-a fifth bottom plate, 20-a connecting rod, 21-a buffer spring, 22-a limiting bolt, 23-a guide column, 24-a universal wheel, 25-a fixing column and 26-a fixing disc.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
As shown in fig. 1, the utility model provides a battery module K value test system, include frame 1 and install tester 2, accredited testing organization 3 in frame 1, accredited testing organization 3 with 2 electricity of tester are connected. An industrial personal computer is further installed on the rack 1, and the tester 2 is connected with the industrial personal computer. The industrial computer is electrically connected with a display 9, so that the detection condition of the battery module can be displayed in real time. The utility model discloses tester 2 that says is K value tester 2, certainly can also install internal resistance tester 2 in frame 1, is connected internal resistance tester 2 and industrial computer simultaneously, can also carry out the electrochemical properties of battery module simultaneously and detect, the alternating current internal resistance of battery module detects when testing battery module K value and detecting. An inserting cylinder 7 is installed on the first bottom plate 6, and a plug 8 matched with the battery module is installed at the movable end of the inserting cylinder 7.
The testing device is characterized in that a fixing frame 4 is installed on the rack 1, the testing mechanism 3 comprises a lifting cylinder 5, a first bottom plate 6 and an inserting cylinder 7, and the movable end of the lifting cylinder 5 is connected with the first bottom plate 6. Mount 4 is fixed mounting in frame 1, and lift cylinder 5's pedestal mounting is on mount 4, and the both sides of mount 4 are equipped with the guiding hole, and the direction of guiding hole sets up along lift cylinder 5's direction of motion, installs guide post 23 on the first bottom plate 6, and guide post 23 is located the guiding hole, and lift cylinder 5 plays the effect of direction in the time of the up-and-down motion guide post 23 for first bottom plate 6 can not incline.
Clamping cylinder 10 is all installed to the left and right sides of first bottom plate 6, is connected with second bottom plate 11 on clamping cylinder 10's the activity end, installs on second bottom plate 11 and presss from both sides tight piece 12, presss from both sides tight piece 12 and is the L type, all is equipped with in the both sides of two second bottom plates 11 and presss from both sides tight piece 12, all is equipped with promptly at four angles of battery module and presss from both sides tight piece 12, and the distance between two tight pieces 12 of clamp with one side has been set for according to the width of battery module in advance.
The second bottom plate 11 is further provided with a positioning cylinder 13, the movable end of the positioning cylinder 13 is connected with a third bottom plate 14, positioning pins 15 are arranged on two sides of the third bottom plate 14, positioning holes are formed in the battery module, and the outer diameter of each positioning pin 15 is matched with the diameter of each positioning hole. The third bottom plate 14 is provided with a U-shaped opening on one side facing the second bottom plate 11, and the second bottom plate 11 is located in the U-shaped opening. The third base plate 14 guides it through the second base plate 11 during the up and down movement. The second bottom plate 11 is provided with an opening, and the plug 8 can penetrate through the opening to be connected with the battery module.
An inserting cylinder 7 is further installed below the third bottom plate 14, a fourth bottom plate 17 is connected to the movable end of the inserting cylinder 7, and a plug 8 is installed on the fourth bottom plate 17. Insert the lower part of cylinder 7 base and install fifth bottom plate 18, be equipped with the through-hole on the fifth bottom plate 18, fourth bottom plate 17 with be close to fifth bottom plate 18 one side is equipped with connecting rod 20, connecting rod 20 passes the through-hole, the cover is equipped with buffer spring 21 on the connecting rod 20. The connecting rod 20 is kept away from the one end of fourth bottom plate 17 is connected with stop cock 22, and stop cock 22 and connecting rod 20 are threaded connection, and stop cock 22's diameter is greater than the diameter of through-hole, and connecting rod 20 breaks away from the through-hole when placing and inserting cylinder 7 and stretching out. Buffer spring 21's effect is when inserting cylinder 7 and retracting, prevents to exert oneself too hard violently, and the violent extraction of plug 8 causes the damage to plug 8 and battery module, has had buffer spring 21's effect, and plug 8 is slow at the in-process of extracting.
The universal wheel 24 and the fixed column 25 are installed at the bottom of the rack 1, the fixed column 25 is in threaded connection with the rack 1, and the fixed disc 26 is installed at the bottom of the fixed column 25.
The working process is as follows: firstly, a battery module is grabbed onto a speed-multiplying chain body of a K value testing system, namely a conveyor belt, the conveyor belt detects a station of the conveyor belt of the battery module, a clamping cylinder 10 extends out under a normal condition, a lifting cylinder 5 extends out to descend a first bottom plate 6, the clamping cylinder 10 retracts, and a clamping block 12 clamps the battery module for coarse positioning; then the location cylinder 13 stretches out, insert the locating pin 15 in the locating hole, insert cylinder 7 and stretch out, insert in the jack of battery module with plug 8, then industrial control machine control tester 2 work, show the result on display 9 after the tester 2 tests to accomplish, if K value detects qualified then all cylinders reset, the conveyer belt conveys the battery module to next station, if K value detects unqualifiedly, the industrial control machine reports to the police, shift unqualified battery by the staff.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A K value test system of a battery module is characterized by comprising a rack (1), a tester (2) and a test mechanism (3), wherein the tester (2) and the test mechanism (3) are installed on the rack (1), and the test mechanism (3) is electrically connected with the tester (2); a fixed frame (4) is installed on the rack (1), the testing mechanism (3) comprises a lifting cylinder (5), a first bottom plate (6) and an inserting cylinder (7), the movable end of the lifting cylinder (5) is connected with the first bottom plate (6), the inserting cylinder (7) is installed on the first bottom plate (6), and a plug (8) matched with the battery module is installed at the movable end of the inserting cylinder (7); still include the industrial computer, tester (2) are connected with the industrial computer.
2. The battery module K value testing system of claim 1, wherein clamping cylinders (10) are mounted on two sides below the first base plate (6), a second base plate (11) is mounted at the movable end of each clamping cylinder (10), and a clamping block (12) is mounted on each second base plate (11).
3. The battery module K-value testing system of claim 2, wherein the clamping block (12) is L-shaped.
4. The battery module K value testing system according to claim 2, wherein the second bottom plate (11) is provided with a positioning cylinder (13), the movable end of the positioning cylinder (13) is connected with a third bottom plate (14), positioning pins (15) are arranged on two sides of the third bottom plate (14), the battery module is provided with positioning holes, and the outer diameter of each positioning pin (15) is matched with the diameter of each positioning hole.
5. The battery module K value testing system of claim 4, characterized in that the third bottom plate (14) is provided with a U-shaped opening on the side facing the second bottom plate (11), and the second bottom plate (11) is positioned in the U-shaped opening.
6. The battery module K value testing system of claim 4, wherein the inserting cylinder (7) is installed below the third bottom plate (14), a fourth bottom plate (17) is connected to the movable end of the inserting cylinder (7), and the plug (8) is installed on the fourth bottom plate (17).
7. The battery module K value testing system according to claim 6, wherein a fifth bottom plate (18) is installed on the lower portion of a base of the insertion cylinder (7), a through hole is formed in the fifth bottom plate (18), a connecting rod (20) is arranged on one side, close to the fifth bottom plate (18), of the fourth bottom plate (17), the connecting rod (20) penetrates through the through hole, a buffer spring (21) is sleeved on the connecting rod (20), and a limiting bolt (22) is connected to one end, far away from the fourth bottom plate (17), of the connecting rod (20).
8. The system for testing the K value of the battery module according to claim 1, wherein the fixing frame (4) is provided with a guide hole, a guide rod is slidably arranged in the guide hole, and the bottom of the guide rod is connected with the first bottom plate (6).
9. The battery module K value testing system of claim 1, wherein a universal wheel (24) and a fixing column (25) are mounted at the bottom of the rack (1), the fixing column (25) is in threaded connection with the rack (1), and a fixing disc (26) is mounted at the bottom of the fixing column (25).
10. The system for testing the K value of the battery module according to claim 1, further comprising a display (9), wherein the display (9) is electrically connected with the industrial personal computer.
CN202220720404.8U 2022-03-29 2022-03-29 K value test system for battery module Active CN217332766U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220720404.8U CN217332766U (en) 2022-03-29 2022-03-29 K value test system for battery module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220720404.8U CN217332766U (en) 2022-03-29 2022-03-29 K value test system for battery module

Publications (1)

Publication Number Publication Date
CN217332766U true CN217332766U (en) 2022-08-30

Family

ID=83002960

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220720404.8U Active CN217332766U (en) 2022-03-29 2022-03-29 K value test system for battery module

Country Status (1)

Country Link
CN (1) CN217332766U (en)

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