Search

CN-224216850-U - Single machine platform for testing open circuit voltage of battery cell of blade and measuring thickness of battery cell

CN224216850UCN 224216850 UCN224216850 UCN 224216850UCN-224216850-U

Abstract

The utility model discloses a single machine platform for testing open-circuit voltage of a blade battery cell and thickness measurement of the battery cell, which comprises a large mounting plate, wherein a thickness measuring mechanism is arranged above the large mounting plate through a gantry frame, a probe mechanism is arranged on the rear side of the gantry frame through a supporting plate, an upper-layer sliding table linear guide rail is symmetrically connected below the gantry frame through a supporting frame on the large mounting plate, an upper-layer sliding table cylinder and a lower-layer sliding table cylinder are connected between the two upper-layer sliding table linear guide rails on the large mounting plate, an upper sliding table component is in driving connection above the upper-layer sliding table cylinder, the upper sliding table component is in sliding fit with the upper-layer sliding table linear guide rail, lower-layer sliding table linear guide rails are connected to two sides of the lower-layer sliding table cylinder on the large mounting plate, the lower-layer sliding table linear guide rail is lower than the upper-layer sliding table linear guide rail, a lower sliding table component is in driving connection above the lower-layer sliding table cylinder, and the lower-layer sliding table component is in sliding fit with the lower-layer sliding table linear guide rail. The utility model can effectively improve the detection efficiency and is compatible with the detection of the blade battery cores with different sizes and different pole positions.

Inventors

  • Zhou Baixiao
  • ZHANG ZHIGANG
  • GUO BINBIN

Assignees

  • 徐州徐工新能源动力科技有限公司

Dates

Publication Date
20260508
Application Date
20250523

Claims (5)

  1. 1. The single machine station for testing the open-circuit voltage of the battery cell of the blade and the thickness measurement of the battery cell comprises a large installation plate (1), and is characterized in that a portal frame (3) is connected above the large installation plate (1), and a thickness measurement mechanism (5) is installed on the portal frame (3); The back side of the portal frame (3) is connected with a supporting plate (2), and the supporting plate (2) is connected with a probe mechanism (4); An upper-layer sliding table linear guide rail (7) is symmetrically connected to the installation large plate (1) below the portal frame (3) through a supporting frame (8), an upper-layer sliding table air cylinder (9) and a lower-layer sliding table air cylinder (11) are connected between the two upper-layer sliding table linear guide rails (7) on the installation large plate (1), an upper sliding table assembly (6) is connected above the upper-layer sliding table air cylinder (9) in a driving mode, and the upper sliding table assembly (6) is in sliding fit with the upper-layer sliding table linear guide rail (7); The upper sliding table is characterized in that two sides of a lower sliding table cylinder (11) on the installation large plate (1) are connected with lower sliding table linear guide rails (12), the height of the lower sliding table linear guide rails (12) is lower than that of an upper sliding table linear guide rail (7), a lower sliding table assembly (10) is connected above the lower sliding table cylinder (11) in a driving mode, and the lower sliding table assembly (10) is in sliding fit with the lower sliding table linear guide rails (12).
  2. 2. The single machine station for testing the open-circuit voltage of the blade battery cell and the thickness measurement of the battery cell according to claim 1, wherein the upper sliding table assembly (6) comprises an upper sliding table bottom plate (6.1), the upper sliding table bottom plate (6.1) is in sliding fit with an upper sliding table linear guide rail (7), an upper connecting piece (6.3) and an upper collision block (6.4) are arranged below the upper sliding table bottom plate (6.1), the upper connecting piece (6.3) is connected with the power output end of an upper sliding table cylinder (9), an upper limit (13) matched with the upper collision block (6.4) is arranged on the installation large plate (1), an upper battery cell platform (6.5) is arranged on the upper surface of the upper sliding table bottom plate (6.1), an upper proximity switch hole (6.7) is arranged on the upper battery cell platform (6.5), an upper fixing block (6.2) is arranged on the periphery of the upper fixing block (6.2), and an upper positioning block (6.6) is connected on the upper fixing block (2).
  3. 3. The single machine station for testing the open-circuit voltage of the blade battery cell and the thickness measurement of the battery cell according to claim 1 or 2, wherein the lower sliding table assembly (10) comprises a lower sliding table bottom plate (10.1), the lower sliding table bottom plate (10.1) is in sliding fit with a lower sliding table linear guide rail (12), a lower connecting piece (10.3) and a lower collision block (10.4) are arranged below the lower sliding table bottom plate (10.1), the lower connecting piece (10.3) is connected with the power output end of a lower sliding table cylinder (11), a lower limit (14) matched with the lower collision block (10.4) is arranged on the installation large plate (1), a lower battery cell platform (10.5) is arranged on the upper surface of the lower sliding table bottom plate (10.1), a lower proximity switch hole is formed in the lower sliding table bottom plate (10.5), a lower fixing block (10.2) is arranged on the periphery of the lower battery cell platform (10.5), and a lower positioning block (10.6) is connected to the lower fixing block (10.2).
  4. 4. A single machine station for testing the open-circuit voltage of a blade cell and the thickness measurement of the cell according to claim 3, wherein the probe mechanism (4) is provided with two groups and symmetrically connected to the supporting plate (2), the single machine station comprises a horizontal screw module (4.1), the power output end of the horizontal screw module (4.1) is connected with a vertical screw module (4.2), the power output end of the vertical screw module (4.2) is connected with a connecting plate (4.6), the connecting plate (4.6) is connected with an adjusting plate (4.5), and the adjusting plate (4.5) is connected with a probe (4.3) through an adjusting block (4.4).
  5. 5. A single machine station for testing the open-circuit voltage of a blade cell and measuring the thickness of the cell according to claim 3, wherein the thickness measuring mechanism (5) comprises a fixed plate (5.3) arranged on a portal frame (3), a guide shaft (5.2) and a vertical lifting mechanism (5.1) are connected to the fixed plate (5.3), a power output end of the vertical lifting mechanism (5.1) is arranged below the fixed plate (5.3) and is connected with a cell pressing plate (5.4), and a sensor (5.6) is connected to the side edge of the cell pressing plate (5.4) through a vertical lifting cylinder (5.5).

Description

Single machine platform for testing open circuit voltage of battery cell of blade and measuring thickness of battery cell Technical Field The utility model belongs to the technical field of battery cell detection, and particularly relates to a single machine for testing the open-circuit voltage of a battery cell of a blade and the thickness measurement of the battery cell. Background The blade cell is used as a core component of the battery, and the open-circuit voltage (OpenCircuitVoltage, abbreviated as OCV) of the blade cell can intuitively reflect the voltage state and the internal chemical energy storage condition of the cell, and whether the cell has internal defects, such as self-discharge abnormality and the like, can be judged by detecting the open-circuit voltage. If the battery core has defects such as internal short circuit, the self-discharge is aggravated, and the open-circuit voltage is reduced, so that the overall performance and the service life of the battery are affected. The consistency and stability of the thickness of the blade cell have significant influence on the performance, safety and reliability of the battery module and the battery pack. In the charge and discharge process, the thickness change of the battery cell can cause expansion force, if the thickness is inconsistent, the expansion force is unevenly distributed, and the internal structure of the battery module can be unbalanced in stress, so that the electrical performance is affected, and even potential safety hazards are caused. Therefore, in the manufacturing process of the blade battery cell, the open-circuit voltage detection and the thickness detection of the blade battery cell are important. At present, a common open-circuit voltage test adopts a test on a single blade cell, the beat is slower, and the blade cells with different sizes and different pole positions cannot be compatible with each other efficiently. Disclosure of utility model The utility model aims to provide a single machine station for testing the open-circuit voltage of a blade cell and the thickness measurement of the cell, which can effectively improve the detection efficiency and is compatible with the detection of the blade cells with different sizes and different pole positions. In order to achieve the purpose, the single machine platform for testing the open-circuit voltage of the blade cell and the thickness measurement of the cell comprises a large mounting plate, wherein a portal frame is connected above the large mounting plate, and a thickness measurement mechanism is arranged on the portal frame; The back side of the portal frame is connected with a supporting plate, and the supporting plate is connected with a probe mechanism; An upper layer of sliding table linear guide rail is symmetrically connected to the large mounting plate below the portal frame through a support frame, an upper layer of sliding table cylinder and a lower layer of sliding table cylinder are connected between the two upper layer of sliding table linear guide rails on the large mounting plate, an upper sliding table assembly is connected above the upper layer of sliding table cylinder in a driving manner, and the upper sliding table assembly is in sliding fit with the upper layer of sliding table linear guide rail; The upper sliding table is characterized in that two sides of the upper sliding table cylinder are connected with lower sliding table linear guide rails, the height of the lower sliding table linear guide rails is lower than that of the upper sliding table linear guide rails, a lower sliding table assembly is connected with the upper side of the upper sliding table cylinder in a driving mode, and the lower sliding table assembly is in sliding fit with the lower sliding table linear guide rails. As a further scheme of the utility model, the upper sliding table assembly comprises an upper sliding table bottom plate, the upper sliding table bottom plate is in sliding fit with the linear guide rail of the upper sliding table, an upper connecting piece and an upper collision block are arranged below the upper sliding table bottom plate, the upper connecting piece is connected with the power output end of the upper sliding table cylinder, an upper limit matched with the upper collision block is arranged on the installation large plate, an upper electric core platform is arranged on the upper surface of the upper sliding table bottom plate, an upper proximity switch hole is arranged on the upper electric core platform, an upper fixing block is arranged around the upper electric core platform, and an upper positioning block is connected to the upper fixing block. The lower sliding table assembly comprises a lower sliding table bottom plate, the lower sliding table bottom plate is in sliding fit with a linear guide rail of a lower sliding table, a lower connecting piece and a lower collision block are arranged below the lower sliding table bottom plate, the lower