A battery performance automatic testing device

Abstract

This patent belongs to the field of battery detection technology, and specifically provides a battery performance automation test device, including: a test module, and also including: a first detection module, a second detection module, and a loading module; the test module is electrically connected to the first detection module and the second detection module respectively, and is used to perform electrical performance tests on the battery; the loading module is arranged between the first detection module and the second detection module, and is used to carry a tray and the batteries placed in the tray; the first detection module and the second detection module respectively correspond to the two poles of the battery in the tray on the loading module; the technical solution of this patent is adopted to ensure the stability of the test contact and avoid battery damage, thereby ensuring the accuracy of the test, and realizing OCV and / or IR testing of the battery on the tray, with a simple structure, high test stability and high efficiency.

Description

Technical Field

[0001] This patent belongs to the field of battery detection technology, and specifically relates to an automatic battery performance testing device. Background Art

[0002] With the rapid development of new energy battery technology, its application is becoming more and more extensive, and it is widely used in fields such as new energy vehicles. The detection of battery performance is an important process to ensure the quality of battery products, especially the OCV and IR (Open Circuit Voltage, OCV, open circuit voltage; Inherent Resistance, IR, internal resistance) tests on batteries. These are important parameters for judging battery performance and determining sorting grades. However, current testing equipment or devices have problems such as complex structure and poor test stability. Therefore, there is an urgent need to invent a new type of battery performance automatic testing device. Summary of the Invention

[0003] The purpose of this patent is to overcome the shortcomings of the existing technology and provide a battery performance automatic testing device with simple structure and high test stability.

[0004] The purpose of this patent is achieved through the following technical solutions:

[0005] A battery performance automated testing device comprises: a testing module, and also: a first detection module, a second detection module, and a loading module; the testing module is electrically connected to the first detection module and the second detection module, respectively, and is used to perform an electrical performance test on the battery; the loading module is arranged between the first detection module and the second detection module, and is used to carry a tray and the batteries placed in the tray; the first detection module and the second detection module respectively correspond to the two poles of the battery in the tray on the loading module.

[0006] Specifically, the first detection module includes: a base plate, a lifting cylinder, a first probe carrier plate and a plurality of first probes arranged on the first probe carrier plate, the lifting cylinder is connected to the first probe carrier plate by driving; a support column and a guide shaft are arranged on the base plate; the support column passes through the first probe carrier plate and is located under the loading module, for supporting the loading module; the first probe carrier plate is provided with a first guide shaft seat, the loading module is provided with a second guide shaft seat, the guide shaft passes through the first guide shaft seat and the second guide shaft seat and is located under the second detection module, for guiding the lifting of the first probe carrier plate and the loading module and supporting the second detection module; the first probe carrier plate is provided with a first positioning column and is located under the loading module, and the first positioning column between the first probe carrier plate and the loading module is provided with an adjustable or replaceable limiter and buffer. Preferably, the buffer is a spring.

[0007] Specifically, a second positioning column is provided on the loading module for positioning with the second detection module.

[0008] Specifically, the second detection module includes: a second probe carrier plate, a plurality of second probes disposed under the second probe carrier plate, and an adjustable or replaceable positioning member disposed under the second probe carrier plate and corresponding to the second positioning column.

[0009] Specifically, the test module includes at least one of an internal resistance tester and a voltage tester.

[0010] Specifically, this technical solution drives the first probe carrier plate and the loading module to move upward through the lifting cylinder in the first detection module, so that the second pole of the battery in the tray on the loading module contacts the second probe set under the second probe carrier plate in the second detection module, and then the first probe carrier plate continues to move upward, and the first probe set on the first probe carrier plate contacts the first pole of the battery in the tray on the loading module, forming a test loop with the test module.

[0011] The loading module includes: a loading module frame and a positioning assembly and a non-return piece arranged on the loading module frame, the loading module frame is used to carry the pallet and the batteries placed in the pallet; the positioning assembly is arranged on the side of the loading module frame in the transmission direction of the pallet, including a positioning cylinder and a positioning block driven by the positioning cylinder, which is used for positioning the pallet; the non-return piece is arranged on the side or inlet of the loading module frame in the transmission direction of the pallet, which is used to prevent the pallet from moving in the opposite direction.

[0012] The second positioning column is arranged on the loading module corresponding to the first positioning column. An adjustable or replaceable positioning pin is arranged on the upper end of the second positioning column, and the positioning pin corresponds to the positioning piece.

[0013] Furthermore, the loading module frame is provided with rollers for transporting the pallet.

[0014] Preferably, the second positioning column is connected to the first positioning column by an internal thread screw; the second positioning column and the first positioning column are provided with internal threads, and the second positioning column is connected to the first positioning column by providing a screw on their internal threads, and the screw passes through the loading module; the lower end of the positioning pin has a screw, which is installed in the internal thread of the second positioning column.

[0015] Furthermore, the above-mentioned automatic battery performance testing device also includes: a detection sensor for detecting the position of the tray; the detection sensor is at least one of an infrared sensor, a detection grating, and a through-beam sensor.

[0016] Furthermore, the above-mentioned battery performance automatic testing device also includes: a blocking assembly, which is composed of a blocking cylinder and a blocking member driven by the blocking cylinder, and is arranged on the side of the loading module for blocking and positioning the tray.

[0017] The beneficial effects of the technical solution of this application are:

[0018] (1) The mutual cooperation of the structures described in the first detection module, the second detection module, and the loading module is adopted, and the first probe loading plate and the loading module are driven by the lifting cylinder connected to the first probe loading plate in the first detection module. The first positioning column penetrated by the first probe loading plate and the limiting member and the buffer member sleeved thereon are adopted, a second positioning column is provided on the loading module, and a positioning member corresponding to the second positioning column is provided under the second probe loading plate in the second detection module. The second probe and the first probe are respectively brought into stable contact and pressed against the second pole and the first pole of the battery in the tray, thereby ensuring the stability of the test contact and avoiding battery damage, thereby ensuring the accuracy of the test and realizing the OCV and / or IR test of the battery on the tray. The structure is simple, and the test stability and efficiency are high.

[0019] (2) It is sufficient to connect the first probe carrier plate in the first detection module to the lifting cylinder for driving, without the need to set up an additional driving mechanism or device in the second detection module, which simplifies the structure and effectively saves costs;

[0020] (3) The heights of the positioning pins, positioning members, limit members, and buffer members described in this technical solution can be adjusted or replaced as needed, thereby meeting the positioning test requirements for batteries of different height specifications and improving the scalability of this testing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solution of this patent, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of this patent and therefore should not be regarded as limiting the scope of patent protection. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without any creative work.

[0022] Figure 1 This is a schematic diagram of the three-dimensional structure of a battery performance automatic testing device disclosed in an embodiment of this patent;

[0023] Figure 2 yes Figure 1 Schematic diagram of the main structure;

[0024] Figure 3 yes Figure 1 Schematic diagram of the right view structure;

[0025] Numbers in the figure: 1-first detection module, 2-second detection module, 3-loading module, 4-test module, 11-base plate, 12-lifting cylinder, 13-first probe supporting plate, 14-first probe, 15-support column, 16-guide shaft, 17-first guide shaft seat, 18-first positioning column, 19-limiting member, 20-buffer, 21-second probe supporting plate, 22-second probe, 23-positioning member, 31-second guide shaft seat, 33-second positioning column, 34-positioning pin, 35-loading module frame, 37-check member, 38-roller, 39-positioning cylinder, 40-positioning block, 41-detection sensor, 42-blocking member, 43-blocking cylinder, 44-internal resistance tester, 45-voltage tester. DETAILED DESCRIPTION

[0026] Example

[0027] In order to facilitate the understanding of this patent, the following Figure 1-3 The present invention is described in more detail below. The accompanying drawings show preferred embodiments of the present invention.

[0028] See also Figure 1-3 This embodiment provides an automated battery performance testing device, including: a testing module 4, a first detection module 1, a second detection module 2, and a loading module 3; the testing module 4 is electrically connected to the first detection module 1 and the second detection module 2, respectively, and is used to perform an electrical performance test on the battery; the loading module 3 is arranged between the first detection module 1 and the second detection module 2, and is used to carry a tray and batteries placed on the tray; the first detection module 1 and the second detection module 2 respectively correspond to the two poles of the batteries in the tray on the loading module 3.

[0029] In this embodiment, the first detection module 1 includes: a base plate 11, a lifting cylinder 12, a first probe carrier plate 13 and a plurality of first probes 14 arranged on the first probe carrier plate 13, and the lifting cylinder 12 is driven and connected to the first probe carrier plate 13; a support column 15 and a guide shaft 16 are provided on the base plate 11; the support column 15 passes through the first probe carrier plate 13 and is located under the loading module 3, for supporting the loading module 3; the first probe carrier plate 13 is provided with a first guide shaft seat 17, and the loading module 3 is provided with a second guide shaft seat 31, the guide shaft 16 is provided through the first guide shaft seat 17 and the second guide shaft seat 31 and is located under the second detection module 2, for guiding the lifting of the first probe carrier plate 13 and the loading module 3 and supporting the second detection module 2; the first probe carrier plate 13 is provided with a first positioning column 18 and is located under the loading module 3, and the first positioning column 18 between the first probe carrier plate 13 and the loading module 3 is provided with an adjustable or replaceable limit member 19 and a buffer member 20; preferably, the buffer member 20 is a spring; Figure 3As shown, in order to show that the first probe carrier plate 13 is provided with a first positioning column 18 and is located under the loading module 3, a limiter 19 and a buffer 20 are sleeved on the first positioning column 18 between the first probe carrier plate 13 and the loading module 3. The number of spring coils of the buffer 20 is simplified, and the limiter 19 in the buffer 20 and the first positioning column 18 in the limiter 19 are displayed in cross-section.

[0030] In this embodiment, the loading module 3 is provided with a second positioning column 33 for positioning with the second detection module.

[0031] In this embodiment, the second detection module 2 includes: a second probe carrier plate 21 and a plurality of second probes 22 disposed under the second probe carrier plate 21 , and an adjustable or replaceable positioning member 23 disposed under the second probe carrier plate 21 and corresponding to the second positioning column 33 .

[0032] In this embodiment, the test module 4 includes at least one of an internal resistance tester 44 and a voltage tester 45. The internal resistance tester is used for IR testing of the battery, and the voltage tester is used for OCV testing of the battery.

[0033] Specifically, in this embodiment, the lifting cylinder 12 in the first detection module 1 drives the first probe carrier plate 13 and the loading module 2 to move upward, so that the second pole of the battery in the tray on the loading module 2 contacts the second probe 22 set under the second probe carrier plate 21 in the second detection module 2, and then the first probe carrier plate 13 continues to move upward, and the first probe 14 set on the first probe carrier plate 13 contacts the first pole of the battery in the tray on the loading module 2, forming a test loop with the test module 4.

[0034] Preferably, the first probe 14 corresponds to the negative pole of the battery in the tray on the loading module 2, that is, the first pole of the battery in the tray on the loading module 2 in this embodiment is the negative pole; the second probe 22 corresponds to the positive pole of the battery in the tray on the loading module 2, that is, the second pole of the battery in the tray on the loading module 2 in this embodiment is the positive pole.

[0035] For further information, see Figure 1-3The loading module 3 includes: a loading module frame 35 and a positioning assembly and a check member 37 arranged on the loading module frame 35. The loading module frame 35 is used to carry the pallet and the batteries placed in the pallet; the positioning assembly is arranged on the side of the loading module frame 35 in the direction of pallet transmission, including a positioning cylinder 39 and a positioning block 40 driven by the positioning cylinder 39, which is used for positioning the pallet. The positioning block 40 is driven by the positioning cylinder 39 to be positioned in the slot of the pallet to position the pallet; the check member 37 is arranged on the side or entrance of the loading module frame 35 in the direction of pallet transmission to prevent the pallet from moving in the opposite direction; the loading module frame 35 is provided with a roller 38 for the transmission of the pallet, which is convenient for docking and transmission with the logistics line of the transmission pallet.

[0036] For further information, see Figure 3 The second positioning column 33 is arranged on the loading module 3 corresponding to the first positioning column 18, and an adjustable or replaceable positioning pin 34 is provided at the upper end of the second positioning column 33, and the positioning pin 34 corresponds to the positioning piece 23; the second positioning column 33 is connected to the first positioning column 18 through an internal thread screw; specifically, the second positioning column 33 and the first positioning column 18 are provided with internal threads, and the second positioning column 33 is connected to the first positioning column 18 by providing a screw on its internal thread, and the screw passes through the loading module 3; the lower end of the positioning pin 34 has a screw, which is installed in the internal thread of the second positioning column 33.

[0037] It should be noted that, in this embodiment, the heights of the positioning pin 34, positioning member 23, limit member 19, and buffer member 20 can be adjusted or replaced as needed, thereby meeting the positioning test of batteries of different height specifications and improving the scalability of the test device.

[0038] For further information, see Figure 3 The battery performance automatic testing device described in this embodiment also includes: a detection sensor 41, which is arranged on the loading module frame 35 and is used to detect the position of the tray; the detection sensor 41 is at least one of an infrared sensor, a detection grating, and a beam sensor.

[0039] For further information, see Figure 3 The battery performance automated testing device described in this embodiment also includes: at least one blocking assembly, which is composed of a blocking cylinder 43 and a blocking member 42 driven by the blocking cylinder 43, and is set on the side of the loading module 3 for blocking and positioning the pallet; the blocking member 42 is driven by the blocking cylinder 43 to move to the front and / or rear side of the pallet in the transmission direction of the loading module 3, blocking and positioning the pallet to prevent the pallet from moving during testing.

[0040] The specific implementation process of the battery performance automatic testing device described in the above embodiment is as follows: after the tray loaded with batteries is transferred to the loading module 3, the tray is fixed in position by its blocking component, positioning component, and non-return component 37; the lifting cylinder 12 of the first detection module 1 drives the first probe carrier plate 13 to move upward along the guide shaft 16, and then drives upward through the buffer part 20 sleeved on the first positioning column 18 between the first probe carrier plate 13 and the loading module 3, driving the loading module 3 to carry the tray it carries and the batteries in the tray to move smoothly upward along the guide shaft 16, and the second pole of the battery in the tray on the loading module 3 is in smooth contact with the second probe 22 set under the second probe carrier plate 21 in the second detection module 2 , until the positioning pin 34 at the upper end of the second positioning column 33 contacts the corresponding positioning piece 23 set under the second probe supporting plate 21, the second pole of the battery in the tray is contacted and pressed with the second probe 22, and the loading module 3 no longer moves upward; then the lifting cylinder 12 of the first detection module 1 continues to drive the first probe supporting plate 13 to continue to move upward smoothly along the guide shaft 16, compressing the buffer member 20 sleeved on the first positioning column 18 between the first probe supporting plate 13 and the loading module 3 until the limit position of the limit member 19, and the first probe 14 set on the first probe supporting plate 13 is synchronously contacted and pressed with the first pole of the battery in the tray on the loading module 3. At this point, the first probe of the first detection module 1 14. The batteries in the tray on the loading module 3, the second probe 22 of the second detection module 2 and the test module 4 form a test circuit, and the internal resistance tester 44 and / or the voltage tester 45 of the test module 4 are used for testing to realize the OCV and / or IR test of the batteries in the tray; the technical solution of the present application adopts the mutual cooperation of the structures described in the first detection module 1, the second detection module 2 and the loading module 3, and drives the lifting cylinder 12 connected to the first probe carrier plate 13 in the first detection module 1 to drive the first probe carrier plate 13 and the loading module 3 to move, and adopts the first positioning column 18 penetrated by the first probe carrier plate 13 and the limit member 19 and the buffer member 20 set thereon, and the loading module 3 is provided with a A second positioning column 33 is provided, and a positioning piece 23 corresponding to the second positioning column 33 is provided under the second probe carrier plate 21 in the second detection module 2, so that the second probe 22 and the first probe 14 are respectively in stable contact and pressed with the second pole and the first pole of the battery in the tray on the loading module 3, thereby ensuring the stability of the test contact and avoiding battery damage, thereby ensuring the accuracy of the test, and realizing OCV and / or IR testing of the battery on the tray, with a simple structure, high test stability and high efficiency; and, it is only necessary to drive the first probe carrier plate in the first detection module to connect the lifting cylinder for driving, without the need to set an additional driving mechanism or device in the second detection module, with a simple structure and effective cost savings.

[0041] The embodiments described above are merely descriptions of the preferred implementation methods of this patent and do not limit the scope of this patent. Without departing from the design spirit of this patent, various modifications and improvements made to the technical solution of this patent by ordinary technicians in this field should fall within the scope of protection determined by the claims of this patent.

Claims

1. A battery performance automated testing device, comprising: Test module (4); The test module (4) is used to perform an electrical performance test on a battery; it is characterized in that it further comprises: a first detection module (1), a second detection module (2), and a loading module (3); the test module (4) is electrically connected to the first detection module (1) and the second detection module (2), respectively; the loading module (3) is arranged between the first detection module (1) and the second detection module (2); the loading module (3) is used to carry a tray and batteries placed in the tray; the first detection module (1) and the second detection module (2) respectively correspond to the two poles of the batteries in the tray on the loading module (3); The first detection module (1) comprises: a base plate (11), a lifting cylinder (12), a first probe carrier plate (13) and a plurality of first probes (14) arranged on the first probe carrier plate (13), the lifting cylinder (12) being drive-connected to the first probe carrier plate (13); a support column (15) and a guide shaft (16) are arranged on the base plate (11); the support column (15) passes through the first probe carrier plate (13) and is located under the loading module (3) for supporting the loading module (3); the first probe carrier plate (13) is provided with a first guide shaft seat (17), the loading module ( 3) A second guide shaft seat (31) is provided, and the guide shaft (16) is passed through the first guide shaft seat (17) and the second guide shaft seat (31) and is located below the second detection module (2), and is used to guide the lifting and lowering of the first probe carrier plate (13) and the loading module (3) and support the second detection module (2); the first probe carrier plate (13) is provided with a first positioning column (18) and is located below the loading module (3), and the first positioning column (18) between the first probe carrier plate (13) and the loading module (3) is provided with an adjustable or replaceable limiter (19) and a buffer member (20); The loading module (3) is provided with a second positioning column (33) for positioning with the second detection module (2); The second detection module (2) comprises: a second probe carrier plate (21), a plurality of second probes (22) arranged under the second probe carrier plate (21), and an adjustable or replaceable positioning member (23) arranged under the second probe carrier plate (21) and corresponding to the second positioning column (33); The test module (4) includes at least one of an internal resistance tester (44) and a voltage tester (45); The first probe carrier plate (13) and the loading module (3) are driven upward by the lifting cylinder (12) in the first detection module (1), so that the second pole of the battery in the upper tray of the loading module (3) is brought into contact with the second probe (22) provided under the second probe carrier plate (21) in the second detection module (2), and then the first probe carrier plate (13) continues to move upward, so that the first probe (14) provided on the first probe carrier plate (13) is brought into contact with the first pole of the battery in the upper tray of the loading module (3), thereby forming a test loop with the test module (4); The loading module (3) comprises: a loading module frame (35) and a positioning assembly and a return stop (37) arranged on the loading module frame (35), wherein the loading module frame (35) is used to carry a tray and batteries placed in the tray; the positioning assembly is arranged on the side of the loading module frame (35) in the direction of tray transmission, and comprises a positioning cylinder (39) and a positioning block (40) connected to the positioning cylinder (39) for positioning the tray; the return stop (37) is arranged on the side or inlet of the loading module frame (35) in the direction of tray transmission, and is used to prevent the tray from moving in the reverse direction; The second positioning column (33) is arranged on the loading module (3) corresponding to the first positioning column (18), and an adjustable or replaceable positioning pin (34) is provided on the upper end of the second positioning column (33), and the positioning pin (34) corresponds to the positioning member (23).

2. The battery performance automatic testing device according to claim 1, characterized in that: The loading module frame (35) is provided with rollers (38) for transporting the tray.

3. The battery performance automatic testing device according to claim 2, characterized in that: The second positioning column (33) is connected to the first positioning column (18) via an internal threaded screw.

4. The battery performance automatic testing device according to claim 3, characterized in that: The second positioning column (33) and the first positioning column (18) are provided with internal threads, and the second positioning column (33) is connected to the first positioning column (18) by providing a screw rod in the internal threads thereof, and the screw rod passes through the loading module (3); the lower end of the positioning pin (34) has a screw rod, which is installed in the internal threads of the second positioning column (33).

5. A battery performance automated testing device according to any one of claims 1 to 4, characterized in that: The buffer member (20) is a spring.

6. A battery performance automated testing device according to any one of claims 1 to 4, characterized in that: Also includes: The detection sensor (41) is used for detecting the position of the tray.

7. The battery performance automatic testing device according to claim 6, characterized in that: The detection sensor (41) is at least one of an infrared sensor, a detection grating, and a beam sensor.

8. A battery performance automated testing device according to any one of claims 1 to 4, characterized in that: Also includes: The blocking assembly is composed of a blocking cylinder (43) and a blocking member (42) driven and connected to the blocking cylinder (43), and is arranged on the side of the loading module (3) and is used for blocking and positioning the pallet.

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