An electronic tester for solid state battery swelling force performance

Abstract

This invention provides an electronic tester for the expansion force performance of solid-state batteries, comprising a base with a cabinet fixed at the bottom and a column fixed at the top. An upper crossbeam is slidably mounted on the surface of the column, with an upper pressure plate at the bottom of the upper crossbeam and a lower pressure plate on the surface of the base opposite the upper pressure plate. A deformation measuring instrument is mounted at the bottom of the upper crossbeam, and an adjusting screw is rotatably mounted on the back of the upper crossbeam at the top of the base. The upper crossbeam is threaded onto the surface of the adjusting screw. The device employs a two-column, two-screw frame structure. The screw is used to adjust the test space. During the test, a servo control system controls the piston rod of a servo electric cylinder to move and load the sample, facilitating height adjustment. Compared with existing technologies, this device can test the compression performance of samples under room temperature, high temperature heating, and low temperature cooling conditions for extended periods, exhibiting sufficient rigidity, stable operation, and high efficiency.

Description

Technical Field

[0001] This utility model relates to the field of performance testing technology, specifically to an electronic tester for the expansion force performance of solid-state batteries. Background Technology

[0002] Solid-state battery expansion force testers are suitable for battery manufacturers, research institutes, quality inspection agencies, etc. Unlike the commonly used lithium-ion batteries and lithium-ion polymer batteries, solid-state batteries are batteries that use solid electrodes and solid electrolytes. After production, solid-state batteries need to be tested for expansion force performance. Solid-state battery expansion force testers are a new generation of testing devices suitable for battery manufacturers, research institutes, quality inspection agencies, etc.

[0003] Existing testing instruments are inconvenient to accurately control test data when testing the expansion performance of solid-state batteries, resulting in low test accuracy and poor ability to withstand continuous loads on the batteries. Utility Model Content

[0004] To address the shortcomings of existing technologies, the purpose of this invention is to provide an electronic tester for the expansion force performance of solid-state batteries to solve the problems mentioned in the background. This invention has a novel structure and can test the long-term compression performance of test samples under room temperature, high temperature heating, and low temperature cooling conditions. It has sufficient rigidity, stable operation, and high efficiency.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: an electronic tester for the expansion force performance of solid-state batteries, comprising a base, a cabinet fixed at the bottom of the base, a column fixed at the top of the base, and an upper crossbeam slidably mounted on the surface of the column. An upper pressure plate is provided at the bottom of the upper crossbeam, and a lower pressure plate is provided on the surface of the base directly opposite the upper pressure plate. A deformation measuring instrument is provided at the bottom of the upper crossbeam, and an adjusting screw is rotatably mounted on the top of the base on the back of the upper crossbeam, with the upper crossbeam threaded onto the surface of the adjusting screw.

[0006] Furthermore, an electric cylinder cover is fixed to the top of the upper crossbeam, and a servo electric cylinder is fixedly installed inside the electric cylinder cover.

[0007] Furthermore, the bottom of the upper crossbeam is provided with upper and lower pressure rods, the top of which is connected to the output end of the servo electric cylinder, and the bottom of which is fixedly connected to the upper pressure plate.

[0008] Furthermore, a drive motor is installed inside the cabinet, and the output end of the drive motor inside the cabinet is fixedly connected to the adjusting screw.

[0009] Furthermore, the cabinet is equipped with a control terminal on one side of the base.

[0010] Furthermore, the cabinet has a ventilation window at the bottom of the control unit.

[0011] Furthermore, the cabinet is equipped with a hydraulic push rod at the bottom of the base, and the extended end of the hydraulic push rod inside the cabinet is fixedly connected to the bottom of the lower pressure plate.

[0012] Furthermore, a force sensor is installed on the top of the upper pressure plate.

[0013] The beneficial effects of this utility model are:

[0014] This utility model adopts a two-column, two-screw frame structure. The screws are used to adjust the test space. During the test, the servo control system controls the piston rod of the servo electric cylinder to move and load the sample, which facilitates height adjustment.

[0015] This invention uses a control system to move the piston rod of a servo electric cylinder, thereby moving the upper compression fixture to load the sample. A deformation measuring instrument is used to measure the deformation of the tested sample during the loading process. A high and low temperature test chamber can be installed on the top of the base to create high and low temperature environments, thereby testing the expansion performance of solid-state batteries under different environments.

[0016] Compared with the prior art, this invention tests the compression performance of test samples under room temperature, high temperature heating, and low temperature cooling conditions for a long time, and has the advantages of sufficient rigidity, stable operation, and high efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall front structure of an electronic tester for the expansion force performance of solid-state batteries according to the present invention.

[0018] Figure 2 This is a schematic diagram of the overall back of an electronic tester for the expansion force performance of solid-state batteries according to the present invention.

[0019] Figure 3 This is a side view of an electronic tester for the expansion force performance of solid-state batteries according to the present invention.

[0020] Figure 4 This is a top view of an electronic tester for the expansion force performance of solid-state batteries according to the present invention.

[0021] In the diagram: 1. Base; 11. Lower pressure plate; 2. Cabinet; 21. Heat dissipation window; 3. Electric cylinder cover; 31. Upper and lower pressure rods; 32. Upper pressure plate; 4. Control terminal; 5. Column; 51. Upper crossbeam; 6. Deformation measuring instrument; 7. Adjusting screw. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] Please see Figures 1 to 4 This utility model provides a technical solution: an electronic tester for the expansion force performance of solid-state batteries, including a base 1, a cabinet 2 fixed to the bottom of the base 1, a column 5 fixed to the top of the base 1, and an upper crossbeam 51 slidably mounted on the surface of the column 5. An upper pressure plate 32 is provided at the bottom of the upper crossbeam 51, and a lower pressure plate 11 is provided on the surface of the base 1 directly opposite the upper pressure plate 32. A deformation measuring instrument 6 is provided at the bottom of the upper crossbeam 51. An adjusting screw 7 is rotatably mounted on the top of the base 1, located on the back of the upper crossbeam 51, and the upper crossbeam 51 is threaded onto the surface of the adjusting screw 7. The system employs a two-column 5, two-screw frame structure, with the screw used for adjustment. The test space is divided into sections. During the test, the servo control system controls the piston rod of the servo electric cylinder to move and load the sample. The servo electric cylinder is installed on the top of the host. During the test, the test sample is placed between the upper pressure plate 32 and the lower pressure plate 11. The upper pressure plate 32 and the lower pressure plate 11 are connected to the piston rod of the servo electric cylinder through force sensors. The upper and lower pressure rods 31 are connected to the piston rod of the servo electric cylinder. The control system controls the piston rod of the servo electric cylinder to move, thereby moving the upper compression fixture to load the sample. The deformation measuring instrument 6 is used to measure the deformation of the test sample during the loading process. A high and low temperature test chamber can be installed on the top of the base 1 to create high and low temperature environments, and then test the expansion performance of solid-state batteries under different environments.

[0024] In this embodiment, an electric cylinder cover 3 is fixed to the top of the upper crossbeam 51, and a servo electric cylinder is fixedly installed inside the electric cylinder cover 3. An upper and lower pressure rod 31 is provided at the bottom of the upper crossbeam 51, and the top of the upper and lower pressure rod 31 is connected to the output end of the servo electric cylinder. The bottom of the upper and lower pressure rod 31 is fixedly connected to the upper pressure plate 32. A hydraulic push rod is installed at the bottom of the cabinet 2 located on the base 1, and the extended end of the hydraulic push rod inside the cabinet 2 is fixedly connected to the bottom of the lower pressure plate 11. A force sensor is installed on the top of the upper pressure plate 32. The servo electric cylinder is protected by the electric cylinder cover 3. The solid-state battery is pressured by the cooperation of the upper and lower pressure rods 31, the upper pressure plate 32, the hydraulic push rod inside the cabinet 2, and the lower pressure plate 11. The pressure is tested by the force sensor and the deformation measuring instrument 6. The deformation measuring instrument 6 can be an existing LVDT, dial indicator, grating ruler, etc.

[0025] In this embodiment, the cabinet 2 is provided with a control terminal 4 on one side of the base 1, and the cabinet 2 is provided with a heat dissipation window 21 at the bottom of the control terminal 4. The test data value is displayed through the control terminal 4, and the heat dissipation window 21 is used to maintain the stability of the cabinet 2 operation.

[0026] In this embodiment, a drive motor is installed inside the cabinet 2, and the output end of the drive motor inside the cabinet 2 is fixedly connected to the adjusting screw 7. The drive motor inside the cabinet 2 controls the rotation of the adjusting screw 7, thereby adjusting the height of the upper crossbeam 51.

[0027] When using the device, a two-column, two-screw frame structure is adopted. The screws are used to adjust the test space. During the test, the servo control system controls the piston rod of the servo electric cylinder to move and load the sample. The servo electric cylinder is installed on the top of the main unit. During the test, the test sample is placed between the upper pressure plate 32 and the lower pressure plate 11. The upper pressure plate 32 and the lower pressure plate 11 are connected to the piston rod of the servo electric cylinder through force sensors. The upper and lower pressure rods 31 are connected to the piston rod of the servo electric cylinder. The control system controls the piston rod of the servo electric cylinder to move, thereby moving the upper compression fixture to load the sample. The deformation measuring instrument 6 is used to measure the deformation of the test sample during the loading process. A high and low temperature test chamber can be installed on the top of the base 1 to create high and low temperature environments, thereby testing the expansion performance of solid-state batteries under different environments.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model.

[0029] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An electronic tester for the expansion force performance of solid-state batteries, comprising a base (1), characterized in that: The base (1) has a cabinet (2) fixed at the bottom, a column (5) fixed at the top of the base (1), and an upper crossbeam (51) slidably installed on the surface of the column (5). An upper pressure plate (32) is provided at the bottom of the upper crossbeam (51), and a lower pressure plate (11) is provided on the surface of the base (1) directly opposite the upper pressure plate (32). A deformation measuring instrument (6) is provided at the bottom of the upper crossbeam (51). An adjusting screw (7) is rotatably installed on the back of the upper crossbeam (51) at the top of the base (1), and the upper crossbeam (51) is threaded onto the surface of the adjusting screw (7).

2. The electronic tester for the expansion force performance of solid-state batteries according to claim 1, characterized in that: The top of the upper crossbeam (51) is fixed with an electric cylinder cover (3), and a servo electric cylinder is fixedly installed inside the electric cylinder cover (3).

3. The electronic tester for the expansion force performance of solid-state batteries according to claim 2, characterized in that: The bottom of the upper crossbeam (51) is provided with upper and lower pressure rods (31), and the top of the upper and lower pressure rods (31) is connected to the output end of the servo electric cylinder, and the bottom of the upper and lower pressure rods (31) is fixedly connected to the upper pressure plate (32).

4. The electronic tester for the expansion force performance of solid-state batteries according to claim 1, characterized in that: The cabinet (2) is equipped with a drive motor, and the output end of the drive motor inside the cabinet (2) is fixedly connected to the adjusting screw (7).

5. An electronic tester for the expansion force performance of solid-state batteries according to claim 1, characterized in that: The cabinet (2) is equipped with a control terminal (4) on one side of the base (1).

6. An electronic tester for the expansion force performance of solid-state batteries according to claim 5, characterized in that: The cabinet (2) is provided with a heat dissipation window (21) at the bottom of the control terminal (4).

7. An electronic tester for the expansion force performance of solid-state batteries according to claim 1, characterized in that: The cabinet (2) is equipped with a hydraulic push rod at the bottom of the base (1), and the extended end of the hydraulic push rod inside the cabinet (2) is fixedly connected to the bottom of the lower pressure plate (11).

8. An electronic tester for the expansion force performance of solid-state batteries according to claim 1, characterized in that: A force sensor is mounted on the top of the upper pressure plate (32).

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