CN216694751U

CN216694751U - Laminate polymer battery size detection device

Info

Publication number: CN216694751U
Application number: CN202220163600.XU
Authority: CN
Inventors: 黄海荣; 黄海辉; 吴落得; 贺平; 田如丰
Original assignee: Shenzhen Jiashide Intelligent Technology Co ltd
Current assignee: Shenzhen Jiashide Intelligent Technology Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-06-07
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to the field of battery detection, in particular to a size detection device for a soft package battery. The device includes testing platform, the last constant force ranging mechanism that is provided with of testing platform, constant force ranging mechanism is including moving the year module, place the benchmark base of the laminate polymer battery that awaits measuring, the range finding frame, range finding briquetting module, the driving machine, the range finding frame is fixed on testing platform, it passes the range finding frame to move the year module, the benchmark base is connected on moving the year module, range finding briquetting module sets up at the top of range finding frame, when the benchmark base is located range finding briquetting module below, the product that the driving machine drive range finding briquetting module pushed down on the benchmark base carries out the constant force test. The constant force range finding module of this device outputs the constant force and to the deformation degree control of soft package product, and the constant force gap mode is used to the thickness measuring mode, guarantees that pressure is controllable, has improved the precision. The outer contour dimension measurement adopts a visual detection mechanism with a large-view double telecentric lens, so that the image is prevented from generating excessive distortion as much as possible, and the measurement precision and efficiency are ensured.

Description

Soft-package battery size detection device

Technical Field

The utility model relates to the field of battery detection, in particular to a size detection device for a soft package battery.

Background

At present, the existing soft package battery measuring equipment uses a small-vision optical lens and a PPGH mode measuring mode, so that the measuring speed is low, the debugging and model changing period is long, and the deformation degree of a soft package product is not controlled, so that the measuring precision is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a size detection device for a soft package battery, and aims to solve the problems of low size testing efficiency and poor precision of the conventional soft package battery.

The utility model provides a soft package battery size detection device which comprises a detection platform, wherein a constant force ranging mechanism is arranged on the detection platform and comprises a transfer module, a reference base for placing a soft package battery to be detected, a ranging frame, a ranging pressing block module and a driving machine, the ranging frame is fixed on the detection platform, the transfer module penetrates through the ranging frame, the reference base is connected to the transfer module, the ranging pressing block module is arranged at the top of the ranging frame, and when the reference base is positioned below the ranging pressing block module, the driving machine drives the ranging pressing block module to press a product on the reference base to perform constant force testing.

As a further improvement of the utility model, the driver is a voice coil motor.

As a further improvement of the utility model, a plurality of battery grooves for placing the soft-package battery are arranged on the reference base, a plurality of battery pressing blocks matched with the battery grooves are arranged on the distance measuring pressing block module, and the battery pressing blocks are pressed into the battery grooves to press the soft-package battery downwards during the constant force test.

As a further improvement of the utility model, a plurality of air holes are arranged on the reference base, and the air holes are externally connected with vacuum equipment.

As a further improvement of the present invention, the transfer module includes a transfer rail, a transfer slider, and a transfer driver, the transfer slider is connected to the transfer rail in a fitting manner, the reference base is placed on the transfer slider, and the transfer driver is connected to the transfer slider and drives the transfer slider to move on the transfer rail.

As a further improvement of the present invention, the reference base is a marble base.

As a further improvement of the utility model, a vision measuring mechanism is further arranged on the detection platform, the vision measuring mechanism comprises a battery placing table, a vision bracket, an image acquisition camera, a parallel light source and an acquisition lens, the vision bracket is fixed on the detection platform, the battery placing table is arranged at the bottom of the vision bracket, the parallel light source is arranged on the battery placing table, the light source irradiates on the soft-package battery, the acquisition lens is fixed at the top of the vision bracket, the lower end of the acquisition lens is aligned with the battery placing table, and the upper end of the acquisition lens is connected with the image acquisition camera.

As a further improvement of the present invention, the image capturing camera is a high resolution CCD camera.

As a further improvement of the utility model, the acquisition lens is a large-field telecentric lens.

The utility model has the beneficial effects that: the constant force ranging module of the device outputs constant force to control the deformation degree of a soft package product, the constant force difference mode is used in the thickness measuring mode, pressure is controllable, and precision is improved. The outer contour dimension measurement adopts a visual detection mechanism with a large-view double telecentric lens, so that the image is prevented from generating excessive distortion as much as possible, and the measurement precision and efficiency are ensured.

Drawings

Fig. 1 is a structural plan view of a soft package battery size detection device of the utility model;

FIG. 2 is a block diagram of the constant force ranging mechanism of the present invention;

fig. 3 is a structural view of the vision measuring mechanism of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.

As shown in fig. 1 to 3, the device for detecting the size of the soft-package battery comprises a detection platform 1, wherein a constant force ranging mechanism 2 is arranged on the detection platform, the constant force ranging mechanism 2 comprises a transfer module 3, a reference base 4 for placing the soft-package battery to be detected, a ranging frame 5, a ranging pressing block module 6 and a driving machine 7, the ranging frame 5 is fixed on the detection platform 1, the transfer module 3 penetrates through the ranging frame 5, the reference base 4 is connected to the transfer module 3, the ranging pressing block module 6 is arranged at the top of the ranging frame, and when the reference base 4 is located below the ranging pressing block module 6, the driving machine 7 drives the ranging pressing block module 6 to press a product on the reference base 4 to perform constant force testing.

The transferring module 3 moves the product to the lower part of the constant force ranging mechanism 2 for constant force test. The constant force test mainly realizes the accurate control of output force and distance through a bottom PID algorithm. The constant force distance measuring mechanism 2 is pressed down rapidly to enable the pressing block to contact with the product on the marble base, pressure is generated, and when the pressure reaches a preset value, a distance value is fed back immediately.

Benchmark base 4 is the marble base, adopts the marble as benchmark bottom plate 4, guarantees plane degree and straightness that hangs down.

The driver 7 is a voice coil motor. The constant force distance measuring mechanism is driven by the voice coil motor, and the measuring speed is doubled.

Be equipped with a plurality of battery jars of placing laminate polymer battery on the benchmark base 4, be equipped with a plurality of battery briquetting with battery jar complex on the range finding briquetting module 6, the battery briquetting pushes down laminate polymer battery in the battery jar during the constant force test. The design of a plurality of battery jar is convenient once detects a plurality of laminate polymer battery simultaneously, and a plurality of battery briquetting that correspond also can measure a plurality of laminate polymer battery's thickness size respectively, has improved detection efficiency.

The reference base 4 is provided with a plurality of air holes which are externally connected with vacuum equipment. Open on the marble base has the gas pocket, through the fixed product of vacuum, the stability of laminate polymer battery product when guaranteeing to measure.

The transfer module 3 includes a transfer rail 31, a transfer slider 32, and a transfer driver, wherein the transfer slider 32 is connected to the transfer rail 31 in a fitting manner, the reference base 4 is placed on the transfer slider 32, and the transfer driver is connected to the transfer slider 32 and drives the transfer slider to move on the transfer rail 31. The reference base 4 can be quickly conveyed to the position below the distance measurement pressing block module 6 through the transferring slide block 32, and the reference base 4 can be timely conveyed out through the transferring guide rail 31 after the test is completed.

As shown in fig. 3, the detection platform 1 is further provided with a vision measuring mechanism 8, the vision measuring mechanism 8 includes a battery placing table 81, a vision bracket 82, an image capturing camera 83, a parallel light source 84 and a capturing lens 85, the vision bracket 82 is fixed on the detection platform 1, the battery placing table 81 is arranged at the bottom of the vision bracket 82, the parallel light source 84 is arranged on the battery placing table 81, the light source irradiates on the soft-package battery, the capturing lens 85 is fixed at the top of the vision bracket 82, the lower end of the capturing lens 85 is aligned with the battery placing table 81, and the upper end of the capturing lens 85 is connected with the image capturing camera 83. The image capturing camera 83 is a high-resolution CCD camera. The capture lens 85 is a large field telecentric lens. The parallel light source 84 irradiates light upwards from the lower part of the vision bracket 82, an enough light source is provided for image acquisition of the CCD camera, vision measurement is carried out through the large-field telecentric lens and the CCD camera, a product is placed on a jig without mechanical positioning, and precision measurement is carried out by positioning through a conventional template matching algorithm.

The size detection device adopts the large-view double telecentric lens to avoid the image from generating too large distortion as much as possible, and ensures the measurement precision and efficiency. The thickness measuring mode uses a constant force difference mode, so that the pressure is controllable, and the precision is improved.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims

1. The utility model provides a laminate polymer battery size detection device, a serial communication port, including testing platform, the last constant force ranging mechanism that is provided with of testing platform, constant force ranging mechanism is including moving the benchmark base, the range finding frame, the range finding briquetting module, the driving machine that move the module, the range finding frame is fixed on testing platform, it passes the range finding frame to move the module, the benchmark base is connected on moving the module, the range finding briquetting module sets up at the top of range finding frame, works as when the benchmark base is located range finding briquetting module below, the product that driving machine drive range finding briquetting module pushed down on the benchmark base carries out the constant force test.

2. The pouch cell size detection device according to claim 1, wherein the driver is a voice coil motor.

3. The device for detecting the size of the soft package battery according to claim 1, wherein a plurality of battery grooves for placing the soft package battery are formed in the reference base, a plurality of battery pressing blocks matched with the battery grooves are formed in the distance measuring pressing block module, and the battery pressing blocks are pressed into the battery grooves to press the soft package battery downwards during a constant force test.

4. The soft-package battery size detection device of claim 1, wherein a plurality of air holes are formed in the reference base, and the air holes are externally connected with vacuum equipment.

5. The soft-package battery size detection device according to claim 1, wherein the transfer module comprises a transfer rail, a transfer slider, and a transfer driving machine, the transfer slider is connected to the transfer rail in a fitting manner, the reference base is placed on the transfer slider, and the transfer driving machine is connected to the transfer slider and drives the transfer slider to move on the transfer rail.

6. The pouch cell size detection device of claim 1, wherein the reference base is a marble base.

7. The soft-package battery size detection device according to claim 1, wherein a vision measurement mechanism is further arranged on the detection platform, the vision measurement mechanism comprises a battery placing table, a vision bracket, an image acquisition camera, a parallel light source and an acquisition lens, the vision bracket is fixed on the detection platform, the battery placing table is arranged at the bottom of the vision bracket, the parallel light source is arranged on the battery placing table, the light source irradiates the soft-package battery, the acquisition lens is fixed at the top of the vision bracket, the lower end of the acquisition lens is aligned with the battery placing table, and the upper end of the acquisition lens is connected with the image acquisition camera.

8. The pouch cell size detection device according to claim 7, wherein the image capture camera is a high resolution CCD camera.

9. The laminate battery size detection device of claim 7, wherein the collection lens is a large-field telecentric lens.