Battery piece electrical performance test equipment

Abstract

The utility model relates to the field of battery piece electrical performance testing, and discloses battery piece electrical performance testing equipment which comprises an operation table, a testing table is fixed on the top face of the operation table, a battery piece body is arranged on the top face of the testing table, and an IL curve tester is fixed on the top face of the operation table. The IL curve tester is electrically connected with the battery piece body, a mounting shell is fixed to the top surface of the operation table, the test table and the battery piece body are both located in the mounting shell, a placing hole is formed in one side of the mounting shell, a solar simulator is fixed to the top surface in the mounting shell, and the solar simulator is electrically connected with the operation table. And a mounting cover is connected to the interior of the placing hole through a hinge. According to the utility model, the solar simulator is used for simulating the working environment of the battery piece body, and the IL curve tester is used for detecting the battery piece body, so that the test requirement of the battery piece body is met, the accuracy of the detection result is improved, and the performance evaluation accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery cell electrical performance testing, in particular to battery cell electrical performance testing equipment. Background Art

[0002] As a new type of green energy, solar cells can directly convert sunlight into electrical energy based on the principle of the photovoltaic effect. They are mainly composed of electronic components and do not involve mechanical parts. Therefore, photovoltaic power generation equipment is extremely refined, reliable, stable, long-life, and easy to install and maintain. After the solar cells are processed, they need to be tested by testing equipment to obtain the performance of the battery cells.

[0003] For example, the Chinese patent with publication number CN209881731U, a battery cell performance testing equipment, includes a frame, an upper test frame and a lower test frame, the top of the upper test frame is installed on the upper part of the frame through a vertical lifter, the upper test frame includes an upper electric lifter, an upper test plate, an upper contact ball, an upper spring buffer, an upper test needle plate and an upper test needle, the lower test frame includes a lower electric lifter, a lower test plate, a lower contact ball, a lower spring buffer and a lower test needle plate, and a lower test needle.

[0004] In the above scheme, the solar cell is tested by installing an upper contact ball and a lower contact ball on the upper test frame and the lower test frame respectively. However, solar cells usually have a large area and specific electrical performance requirements. Probe testing may not be able to provide accurate performance evaluation, resulting in the following disadvantages: It is difficult to meet the electrical performance requirements of solar cell testing using probe testing, resulting in inaccurate test results, affecting the accuracy of performance evaluation. Utility Model Content

[0005] The utility model aims to provide a battery cell electrical performance testing device to solve the problem that the use of probe testing is difficult to meet the electrical performance requirements of solar cell testing, thereby causing inaccurate test results and affecting the accuracy of performance evaluation.

[0006] In order to achieve the above-mentioned purpose of the utility model, the utility model adopts the following technical scheme: a battery cell electrical performance testing device, including an operating table, a test table is fixed on the top surface of the operating table, a battery cell body is arranged on the top surface of the test table, an IL curve tester is fixed on the top surface of the operating table, the IL curve tester is electrically connected to the battery cell body, a mounting shell is fixed on the top surface of the operating table, the test table and the battery cell body are both located inside the mounting shell, an insertion hole is opened on one side of the mounting shell, a solar simulator is fixed on the inner top surface of the mounting shell, and the inner hinge of the insertion hole is connected to a mounting cover.

[0007] Preferably, a rubber pad is fixed to the top surface of the test bench, the top surface of the rubber pad is in contact with the bottom surface of the battery cell body, fixing holes are provided on both sides of the inner wall surface of the mounting shell, electric push rods are fixed inside the two fixing holes, and limiting plates are fixed to the telescopic ends of the two electric push rods.

[0008] Preferably, an observation window is provided on the inner wall surface of the installation shell, and glass is fixed inside the observation window.

[0009] Preferably, a plurality of heating tubes are fixed to one side of the inner wall surface of the installation shell, and the plurality of heating tubes are evenly distributed along the height direction of the installation shell.

[0010] Preferably, a light intensity meter is fixed to one side of the inner wall surface of the mounting shell.

[0011] Preferably, a placement groove is provided on one side of the operating table.

[0012] Compared with the prior art, a battery cell electrical performance testing device using the above technical solution has the following beneficial effects:

[0013] 1. During use, the staff first puts the battery body into the test bench in the installation shell through the insertion hole, then electrically connects the battery body and the IL curve tester, starts the solar simulator, and makes the solar simulator emit simulated sunlight to the battery body, and finally detects the performance parameters of the battery body through the IL curve tester. By using the solar simulator to simulate the working environment of the battery body, and then testing it through the IL curve tester, the test requirements of the battery body are met, thereby improving the accuracy of the test results and increasing the accuracy of performance evaluation;

[0014] 2. During use, when the staff puts the battery cell body into the installation shell through the insertion hole, they start the electric push rods on both sides of the installation shell, and the electric push rods drive the limit plates to approach the center of the installation shell. The two limit plates limit the two sides of the battery cell body, so that the position of the battery cell body is more accurate when it is placed in the installation shell, and the rubber pad is supported at the bottom of the battery cell body, so that there is a soft connection between the battery cell body and the test bench, so that the battery cell body can avoid scratches during testing;

[0015] 3. During use, the staff can monitor the battery body in the installation shell in real time through the observation window and glass. The staff can control the stability of the installation shell by starting the heating tube, so that the staff can detect the performance of the battery body under different temperature conditions to understand its temperature characteristics and temperature coefficient. The staff can monitor the changes in light intensity in the installation shell in real time through the light intensity meter to monitor the performance of the battery body under different light intensities. The staff can place the battery body to be tested in the placement slot to facilitate the staff to take it. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a perspective view of an embodiment.

[0017] Figure 2 It is an exploded perspective view of an embodiment.

[0018] Figure 3 It is an exploded view of the mounting shell of the embodiment.

[0019] Figure 4 It is an exploded view of the limiting plate of the embodiment.

[0020] In the figure: 1. operating table; 2. test table; 3. battery cell body; 4. IL curve tester; 5. mounting shell; 6. insertion hole; 7. solar simulator; 8. rubber pad; 9. fixing hole; 10. electric push rod; 11. limit plate; 12. observation window; 13. mounting cover; 14. glass; 15. heating tube; 16. light intensity meter; 17. placement slot. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0022] like Figure 1-Figure 3 As shown, a battery cell electrical performance testing device includes an operating table 1, a test table 2 is fixed on the top surface of the operating table 1, a battery cell body 3 is arranged on the top surface of the test table 2, an IL curve tester 4 is fixed on the top surface of the operating table 1, the IL curve tester 4 is an existing structure and will not be described in detail here, the IL curve tester 4 is electrically connected to the battery cell body 3, a mounting shell 5 is fixed on the top surface of the operating table 1, the test table 2 and the battery cell body 3 are both located inside the mounting shell 5, an insertion hole 6 is opened on one side of the mounting shell 5, a solar simulator 7 is fixed on the inner top surface of the mounting shell 5, the solar simulator 7 is an existing structure and will not be described in detail here, and the inner hinge of the insertion hole 6 is connected to a mounting cover 13.

[0023] During use, the staff first places the battery cell body 3 into the test bench 2 in the mounting shell 5 through the insertion hole 6, then electrically connects the battery cell body 3 and the IL curve tester 4, starts the solar simulator 7, and makes the solar simulator 7 emit simulated sunlight to the battery cell body 3, and finally detects the performance parameters of the battery cell body 3 through the IL curve tester 4, uses the solar simulator 7 to simulate the working environment of the battery cell body 3, and detects it through the IL curve tester 4 to meet the testing requirements of the battery cell body 3, thereby improving the accuracy of the test results and increasing the accuracy of performance evaluation.

[0024] like Figure 2-Figure 4 As shown, a rubber pad 8 is fixed to the top surface of the test bench 2, and the top surface of the rubber pad 8 is in contact with the bottom surface of the battery cell body 3. Fixing holes 9 are provided on both sides of the inner wall surface of the mounting shell 5, and electric push rods 10 are fixed inside the two fixing holes 9. Limiting plates 11 are fixed to the telescopic ends of the two electric push rods 10.

[0025] During use, when the staff puts the battery cell body 3 into the mounting shell 5 through the insertion hole 6, the electric push rods 10 on both sides of the mounting shell 5 are started, and the electric push rods 10 drive the limit plates 11 to approach the center position of the mounting shell 5. The two limit plates 11 limit the two sides of the battery cell body 3, so that the position of the battery cell body 3 is more accurate when it is placed in the mounting shell 5, and the rubber pad 8 is supported at the bottom of the battery cell body 3, so that there is a soft connection between the battery cell body 3 and the test bench 2, so that the battery cell body 3 can avoid scratches during testing.

[0026] like Figure 2-Figure 3 As shown, an observation window 12 is provided on the inner wall of the mounting shell 5, a glass 14 is fixed inside the observation window 12, a plurality of heating tubes 15 are fixed on one side of the inner wall of the mounting shell 5, and the plurality of heating tubes 15 are evenly distributed along the height direction of the mounting shell 5, a light intensity meter 16 is fixed on one side of the inner wall of the mounting shell 5, and a placement groove 17 is provided on one side of the operating table 1.

[0027] During use, the staff can monitor the battery cell body 3 in the mounting shell 5 in real time through the observation window 12 and the glass 14. The staff can control the stability inside the mounting shell 5 by starting the heating tube 15, so that the staff can detect the performance of the battery cell body 3 under different temperature conditions to understand its temperature characteristics and temperature coefficient. The staff can monitor the changes in light intensity in the mounting shell 5 in real time through the light intensity meter 16 to monitor the performance of the battery cell body 3 under light of different intensities. The staff can place the battery cell body 3 to be tested through the placement slot 17 to facilitate the staff to take it.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A battery cell electrical performance testing device, comprising an operating table (1), characterized in that: A test bench (2) is fixed on the top surface of the operating table (1), a battery cell body (3) is arranged on the top surface of the test bench (2), an IL curve tester (4) is fixed on the top surface of the operating table (1), the IL curve tester (4) is electrically connected to the battery cell body (3), a mounting shell (5) is fixed on the top surface of the operating table (1), the test bench (2) and the battery cell body (3) are both located inside the mounting shell (5), a placement hole (6) is provided on one side of the mounting shell (5), a solar simulator (7) is fixed on the internal top surface of the mounting shell (5), and a mounting cover (13) is connected to the internal hinge of the placement hole (6).

2. The battery cell electrical performance testing device according to claim 1, characterized in that: A rubber pad (8) is fixed on the top surface of the test bench (2), and the top surface of the rubber pad (8) is in contact with the bottom surface of the battery cell body (3). Fixing holes (9) are provided on both sides of the inner wall surface of the mounting shell (5), and electric push rods (10) are fixed inside the two fixing holes (9), and the telescopic ends of the two electric push rods (10) are fixed with limit plates (11).

3. The battery cell electrical performance testing device according to claim 2, characterized in that: An observation window (12) is provided on the inner wall surface of the installation shell (5), and a glass (14) is fixed inside the observation window (12).

4. The battery cell electrical performance testing device according to claim 3, characterized in that: A plurality of heating tubes (15) are fixed to one side of the inner wall surface of the installation shell (5), and the plurality of heating tubes (15) are evenly distributed along the height direction of the installation shell (5).

5. The battery cell electrical performance testing device according to claim 4, characterized in that: A light intensity meter (16) is fixed to one side of the inner wall surface of the installation shell (5).

6. The battery cell electrical performance testing device according to claim 5, characterized in that: A placement groove (17) is provided on one side of the operating table (1).

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