CN-224202351-U - Battery cell height measuring device

CN224202351UCN 224202351 UCN224202351 UCN 224202351UCN-224202351-U

Abstract

The utility model provides a battery cell height measuring device which comprises a rack, a transfer component and a measuring component, wherein the transfer component and the measuring component are arranged in the rack, the transfer component comprises a plurality of battery cell jigs which are arranged at intervals along a first direction, the battery cell jigs are used for bearing battery cells and positioning the battery cells, the measuring component comprises at least one group of detecting parts which are arranged at intervals along the first direction, each group of detecting parts comprises two detecting cameras, the two detecting cameras are respectively arranged on two opposite sides of the battery cell jigs, the two detecting cameras are respectively used for photographing two ends of the battery cells which are oppositely arranged along a second direction so as to obtain the height of the battery cells, and the two detecting cameras in each group of detecting parts can move along the first direction relative to the battery cell jigs. The utility model solves the problems of low measurement efficiency and larger measurement error of the traditional battery cell height measurement device.

Inventors

CAO HAIXIA
LI XIANG
CHEN QIANG
Lu Rongheng

Assignees

珠海华冠科技股份有限公司

Dates

Publication Date: 20260505
Application Date: 20250606

Claims (10)

1. A cell height measurement device, comprising: the device comprises a rack, and a transfer assembly and a measurement assembly which are arranged in the rack; The transfer assembly comprises a plurality of battery cell jigs which are arranged at intervals along a first direction, and the battery cell jigs are used for bearing battery cells and positioning the battery cells; The measuring assembly comprises at least one group of detecting pieces arranged at intervals along a first direction, each group of detecting pieces comprises two detecting cameras, the two detecting cameras are respectively arranged on two opposite sides of the battery cell jig, the two detecting cameras are respectively used for photographing two ends of the battery cell which are oppositely arranged along a second direction so as to obtain the height of the battery cell, and the two detecting cameras in each group of detecting pieces can move along the first direction relative to the battery cell jig; The second direction is perpendicular to the first direction.
2. The cell height measurement apparatus of claim 1, wherein the measurement assembly further comprises a support base, each set of the detection members is disposed on the support base, the support base is slidably connected to the frame, and the support base is movable relative to the frame along the first direction.
3. The battery cell height measurement device according to claim 2, wherein the support base comprises two support portions and a connecting portion connecting the two support portions, the two detection cameras of each group of detection pieces are respectively arranged on the two support portions, and a space for the battery cell jig to pass through is arranged between the two support portions.
4. The cell height measurement apparatus of claim 3, wherein the measurement assembly further comprises a first drive member disposed between the frame and the support base, the first drive member coupled to the support base, the first drive member configured to drive the support base to move relative to the frame in the first direction.
5. The device of claim 4, wherein the cell jig comprises a first cell jig and a second cell jig that are disposed opposite each other along a third direction, the first cell jig is fixedly disposed on the frame, and the second cell jig is movable along the third direction to approach or depart from the first cell jig.
6. The device for measuring the height of a battery cell according to claim 5, wherein a first accommodating groove is formed in the first battery cell jig, a second accommodating groove is formed in the second battery cell jig, the first accommodating groove and the second accommodating groove are oppositely arranged, and the first accommodating groove and the second accommodating groove can position the battery cell.
7. The device of claim 6, wherein a side surface of the first accommodating groove is coated with a flexible material by the first cell jig, and/or a side surface of the second accommodating groove is coated with a flexible material by the second cell jig.
8. The device of claim 5, wherein the transfer assembly further comprises a connection plate, each of the second cell jigs is disposed on the connection plate, the connection plate is movable along the third direction, and each of the second cell jigs is movable along the third direction.
9. The cell height measurement apparatus according to claim 8, wherein the transfer assembly further comprises a second driving member and a link, the link connecting the second driving member and the connection plate, the second driving member driving the connection plate to move in a third direction through the link.
10. The device for measuring the height of the battery cell according to claim 5, wherein the frame comprises two fixing seats and a connecting frame for connecting the two fixing seats, the two supporting parts are respectively connected with the fixing seats in a sliding manner, a space for the second battery cell jig to pass through is arranged between the two fixing seats, the fixing seats are marble fixing seats, and the connecting frame is a marble connecting frame.

Description

Battery cell height measuring device Technical Field The utility model relates to the technical field of battery production equipment, in particular to a battery cell height measuring device. Background Batteries have been widely used in various electronic products as an energy storage device. The battery cell is used as a basic unit of the battery, the performance of the battery is critical to the overall performance of the battery, and the performance such as capacity, service life and safety of the battery can be influenced by the height error of the battery cell. In the prior art, special tools are commonly used, such as calipers, vernier calipers or digital electronic micrometers, which are capable of accurately measuring the height of the cells. Although these instruments can reach the purpose of accurately detecting the height of the battery cell, the battery cell is usually required to be manually taken and then placed on a plane, and then the height of the battery cell is manually measured by using the instruments. Disclosure of utility model The utility model aims to solve the problems of low measurement efficiency and larger measurement error of the traditional battery cell height measurement device. In order to solve the above problems, the present utility model provides a device for measuring a height of a battery cell, comprising: the device comprises a rack, and a transfer assembly and a measurement assembly which are arranged in the rack; The transfer assembly comprises a plurality of battery cell jigs which are arranged at intervals along a first direction, and the battery cell jigs are used for bearing battery cells and positioning the battery cells; The measuring assembly comprises at least one group of detecting pieces arranged at intervals along a first direction, each group of detecting pieces comprises two detecting cameras, the two detecting cameras are respectively arranged on two opposite sides of the battery cell jig, the two detecting cameras are respectively used for photographing two ends of the battery cell which are oppositely arranged along a second direction so as to obtain the height of the battery cell, and the two detecting cameras in each group of detecting pieces can move along the first direction relative to the battery cell jig; The second direction is perpendicular to the first direction. Further, the measuring assembly further comprises a supporting seat, each group of detecting pieces are arranged on the supporting seat, the supporting seat is in sliding connection with the frame, and the supporting seat can move along the first direction relative to the frame. Further, the supporting seat comprises two supporting parts and a connecting part connected with the two supporting parts, the two detection cameras of each group of detection parts are respectively arranged on the two supporting parts, and a space for the battery cell jig to pass through is arranged between the two supporting parts. Further, the measuring assembly further comprises a first driving piece, the first driving piece is arranged between the frame and the supporting seat, the first driving piece is connected with the supporting seat, and the first driving piece is used for driving the supporting seat to move along the first direction relative to the frame. Further, the electric core tool includes first electric core tool and the second electric core tool of following the relative setting of third direction, first electric core tool is fixed to be set up in the frame, the second electric core tool can follow the third direction removes, in order to be close to or deviate from first electric core tool. Further, a first accommodating groove is formed in the first battery cell jig, a second accommodating groove is formed in the second battery cell jig, the first accommodating groove and the second accommodating groove are oppositely arranged, and the first accommodating groove and the second accommodating groove can be used for positioning the battery cell. Further, one side surface of the first electric core jig, which is provided with the first accommodating groove, is coated with a flexible material, and/or one side surface of the second electric core jig, which is provided with the second accommodating groove, is coated with a flexible material. Further, the transfer assembly further comprises a connecting plate, each second electric core jig is arranged on the connecting plate, and the connecting plate can move along the third direction, so that each second electric core jig moves along the third direction. Further, the transfer assembly further comprises a second driving piece and a connecting rod, the connecting rod is connected with the second driving piece and the connecting plate, and the second driving piece drives the connecting plate to move along a third direction through the connecting rod. Further, the frame comprises two fixing seats and a connecting frame for connecting the two fixi