Lithium battery formation and voltage resistance testing device

Abstract

The utility model relates to lithium battery test technical field especially relates to a kind of lithium battery formation component and voltage resistance testing device, including device main body, the upper surface of device main body is equipped with test mechanism, and the bottom surface of device main body is fixedly connected with support base plate.This kind of lithium battery formation component and voltage resistance testing device is equipped with the detection mainboard protection shell, and the detection mainboard protection shell is effectively protected to the detection mainboard assembly of core, and the side edge limiting clamping cover plate and the access door connected by docking page, it is convenient to daily maintenance of the detection mainboard, dust, knock and other external interference can also be isolated in non-use state, prolong the service life of core component, the winding storage shaft set on the detection data output board side can be limited to the data detection output line and be rolled up, avoid the damage or inconvenience of use caused by cable messy entanglement, realize the orderly management of cable, improve the overall use convenience and neatness of device.

Description

Technical Field

[0001] This utility model relates to the field of lithium battery testing technology, and in particular to a lithium battery formation capacity and voltage internal resistance testing device. Background Technology

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloy as the negative electrode material and a non-aqueous electrolyte solution. Their core feature is that they rely on the insertion and extraction of lithium ions between the positive and negative electrodes to store and release electrical energy. They have significant advantages such as high energy density, long cycle life, low self-discharge rate, and no memory effect. When users test lithium batteries, they need to conduct multi-faceted tests.

[0003] An investigation revealed a Chinese utility model patent, CN220872503U, disclosing a lithium battery testing device. This device includes a lithium battery tester and a bearing block. A base plate is located on one side of the lithium battery tester, and the bearing block is positioned above the center of the base plate. A limiting component is located above the bearing block, comprising a straight rod, a first hook, and a second hook. The second hook is fixedly connected to the top of one end of the straight rod. This lithium battery testing device facilitates the storage and organization of positive and negative electrode clamps, preventing tangling during placement. It also provides limiting protection for the buttons, display screen, and sockets on the front of the lithium battery tester, preventing damage or blockage from external forces or foreign objects, thus extending the lifespan of the tester. Furthermore, it allows operators to easily fix the tested lithium batteries in place, preventing their loss.

[0004] When the aforementioned patent is used by users, the lithium battery is simply encased in a shell. This requires complete disassembly during routine maintenance, which is cumbersome and time-consuming. Furthermore, dust, moisture, and external impacts can easily damage components such as the detection motherboard, shortening the equipment's lifespan. The data output cables used for testing usually lack a dedicated storage mechanism, and after use, the cables are often left haphazardly, leading to messy tangles that take up space, affect the device's neatness, and may even cause internal circuit breakage due to cable compression or pulling, resulting in unstable detection signals or equipment malfunctions.

[0005] Therefore, there is a particular need for a lithium battery formation capacity and voltage internal resistance testing device. Utility Model Content

[0006] The purpose of this invention is to provide a lithium battery formation, capacity, voltage, and internal resistance testing device to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a lithium battery formation, capacity and voltage internal resistance testing device, comprising a device body, a testing mechanism mounted on the upper surface of the device body, a supporting base plate fixedly connected to the bottom surface of the device body, and a carrying handle fixedly connected to one side of the device body; The testing mechanism includes a motherboard protective shell, which is mounted on the main body of the device. A cover plate is snapped onto the side surface of the motherboard protective shell. A support base plate assembly is mounted on the upper surface of the main body of the device. A support block is mounted on the upper surface of the support base plate assembly. A controller is fixedly connected to one side of the support block. The motherboard assembly is mounted on the upper surface of the main body of the device. An indicator is mounted on the upper surface of the motherboard assembly. A data output board is mounted on the side surface of the motherboard assembly. A winding and storage shaft is fixedly connected to one side of the data output board. A data detection output line is fitted onto the outer surface of the winding and storage shaft. A data detection head assembly is fixedly connected to one side of the data detection output line. A connector ring is fixedly connected to the bottom surface of the motherboard protective shell. A fixing block is fixedly connected to one side of the connector ring. A nut is fixedly connected to one side of the fixing block. A limiting plate is inserted into the inner surface of the connector ring. Preferably, a gripper is fixedly connected to one side of the data detection head assembly, and the gripper is connected to the data detection output line through the data detection head assembly.

[0008] Preferably, the inner surface of the insertion ring has an insertion opening, and the size of the insertion opening and the limiting plate are matched.

[0009] Preferably, one side of the detection motherboard protective shell is fixedly connected to a mating page, and the number of mating pages is multiple.

[0010] Preferably, an inspection door is fixedly connected to one side of the docking page, and the inspection door is connected to the protective shell of the detection motherboard through the docking page.

[0011] Preferably, a threaded rod is inserted into the inner ring surface of the nut for limiting, and the threaded rod is connected to the nut and the fixing block.

[0012] Preferably, the bottom surface of the support base plate is fitted with anti-slip fixing feet, and there are multiple anti-slip fixing feet that are parallel to each other.

[0013] Compared with the prior art, the beneficial effects of this utility model are: 1. The protective shell of the detection motherboard effectively protects the core detection motherboard assembly. The side limit locking cover and the maintenance door connected by the mating page facilitate daily maintenance of the detection motherboard. It can also isolate external interference such as dust and impact when not in use, extending the service life of core components. The winding and storage shaft on one side of the detection data output board can limit and wind up the data detection output line, avoiding damage or inconvenience caused by messy cable tangling, realizing orderly cable management, and improving the overall ease of use and cleanliness of the device.

[0014] 2. The main body of the device, with its fixed support plate and multiple parallel anti-slip feet, significantly enhances the stability of the device during placement, preventing poor contact of the detection head due to device shaking during testing. This ensures the accuracy of test data such as voltage and internal resistance. The grip fixed on one side of the data detection head assembly allows operators to hold it and accurately connect it to the lithium battery test point. The support block on the base plate assembly helps to position the lithium battery. Combined with the convenient operation of the controller and the intuitive data display of the indicator, the testing process is simplified, and the efficiency of classification, capacity testing, voltage and internal resistance testing is improved. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a side view of the structure of this utility model; Figure 3 This is a front view structural diagram of the present utility model; Figure 4 This is a bottom view schematic diagram of the structure of this utility model. Figure 5 For the present utility model Figure 4 Enlarged view of the structure at point A in the middle.

[0016] In the diagram: 1. Main body of the device; 2. Support base plate; 3. Testing mechanism; 301. Protective shell for the main detection board; 302. Cover plate; 303. Supporting base plate assembly; 304. Support block; 305. Controller; 306. Main detection board assembly; 307. Indicator; 308. Detection data output board; 309. Rewinding and storage shaft; 310. Data detection output line; 311. Data detection head assembly; 312. Grip handle; 313. Insertion ring; 314. Fixing block; 315. Nut; 316. Threaded rod; 317. Insertion opening; 318. Limiting plate; 319. Connecting plate; 320. Inspection door; 4. Anti-slip fixing feet; 5. Carrying handle. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figure 1-5 This utility model provides a technical solution: a lithium battery formation capacity and voltage internal resistance testing device, including a device body 1, a testing mechanism 3 installed on the upper surface of the device body 1, a support base plate 2 fixedly connected to the bottom surface of the device body 1, and a carrying handle 5 fixedly connected to one side of the device body 1. The testing mechanism 3 includes a motherboard protective shell 301, which is mounted on the main body 1. A cover plate 302 is snapped onto the side surface of the motherboard protective shell 301. A support base plate assembly 303 is mounted on the upper surface of the main body 1. A support block 304 is mounted on the upper surface of the support base plate assembly 303. A controller 305 is fixedly connected to one side of the support block 304. A motherboard assembly 306 is mounted on the upper surface of the main body 1. An indicator 307 is mounted on the upper surface of the motherboard assembly 306. The side surface of the motherboard assembly 306... A detection data output board 308 is mounted on the surface. A winding and storage shaft 309 is fixedly connected to one side of the detection data output board 308. A data detection output line 310 is fitted onto the outer ring surface of the winding and storage shaft 309. A data detection head assembly 311 is fixedly connected to one side of the data detection output line 310. A plug ring 313 is fixedly connected to the bottom surface of the detection motherboard protective shell 301. A fixing block 314 is fixedly connected to one side of the plug ring 313. A nut 315 is fixedly connected to one side of the fixing block 314. A limiting insert plate 318 is inserted into the inner ring surface of the plug ring 313.

[0019] Furthermore, a gripper 312 is fixedly connected to one side of the data detection head assembly 311, and the gripper 312 is connected to the data detection output line 310 through the data detection head assembly 311. The gripper 312 is made of non-slip rubber material with a textured surface, which can increase the friction between the operator's hand and the gripper and prevent slippage when holding the data detection head assembly 311 to connect to the lithium battery test point.

[0020] Furthermore, the inner surface of the insertion ring 313 is provided with an insertion opening 317, and the size of the insertion opening 317 and the limiting plate 318 are matched. The insertion opening 317 provides a precise insertion guide for the limiting plate 318, ensuring that the limiting plate 318 can be smoothly inserted into the inner ring of the insertion ring 313, thereby limiting and fixing the bottom of the detection motherboard protective shell 301 and preventing the protective shell from shifting during device operation.

[0021] Furthermore, a mating hinge 319 is fixedly connected to one side of the motherboard protective shell 301, and there are multiple mating hinges 319. The multiple mating hinges 319 adopt a high-strength hinge structure, which has good opening and closing flexibility and structural strength, and can stably connect the inspection door 320 to the motherboard protective shell 301.

[0022] Furthermore, an inspection door 320 is fixedly connected to one side of the docking page 319, and the inspection door 320 is connected to the detection motherboard protective shell 301 through the docking page 319. The inspection door 320 is made of transparent acrylic material, and the operator can observe the operating status of the internal detection motherboard assembly 306 without opening the inspection door.

[0023] Furthermore, a threaded rod 316 is inserted into the inner ring surface of the nut 315 for limiting, and the threaded rod 316 is connected to the nut 315 and the fixing block 314. The threaded rod 316 and the nut 315 cooperate to form a threaded connection structure, which has the characteristics of firm connection and convenient disassembly, and can stably connect the fixing block 314 to the main body 1 of the device.

[0024] Furthermore, the bottom surface of the support base plate 2 is fitted with anti-slip fixing feet 4, and there are multiple anti-slip fixing feet 4 that are parallel to each other. The multiple parallel anti-slip fixing feet 4 are made of wear-resistant rubber material and have fine anti-slip textures on the bottom, which can increase the friction between the device and the placement surface and prevent the device from sliding or shifting due to external forces during the test.

[0025] Working principle: When a user needs to use a lithium battery formation, capacity and voltage internal resistance testing device, firstly, the device is moved to the designated testing area by the carrying handle 5 fixedly connected to one side of the device body 1. The support base plate 2 fixedly connected to the bottom surface of the device body 1 is placed stably. Multiple parallel anti-slip fixing feet 4 attached to the bottom surface of the support base plate 2 are used to ensure the device is stable and avoid shaking during the test. Then, the inspection door 320 connected to one side of the detection motherboard protective shell 301 by multiple mating tabs 319 is opened to check the connection status of the internal detection motherboard assembly 306. After confirming that there are no errors, the inspection door 320 is closed, and the protective shell is sealed by the cover plate 302 that is limited and snapped on the side surface of the detection motherboard protective shell 301. The controller 305 fixedly connected to one side of the support block 304 installed on the upper surface of the support base plate assembly 303 is operated. Then, the user needs to power on the device and observe the indicator 307 mounted on the upper surface of the detection motherboard assembly 306 to confirm that all parameters of the device are initialized normally and enter the test state. Next, pull out the data detection output line 310 with the limiting sleeve from the outer surface of the winding and storage shaft 309 fixedly connected to one side of the detection data output board 308. Hold the gripper 312 on the data detection head assembly 311 fixedly connected to one side of the data detection output line 310 to prepare for the test connection. Place the lithium battery to be tested on the support base plate assembly 303 mounted on the upper surface of the device body 1, and use the support block 304 to limit and fix the lithium battery. Hold the gripper 312 to accurately connect the data detection head assembly 311 to the test contacts of the lithium battery, start the test command on the controller 305, and the device will start to perform the classification, capacity and voltage internal resistance test. During testing, the mainboard assembly 306 processes data in real time and displays the test progress and key data via indicator 307. Simultaneously, the test data is transmitted to the test data output board 308 mounted on the side surface of the mainboard assembly 306. After testing, the test process ends via controller 305. The data detection head assembly 311 is then removed using the gripper 312, and the data detection output line 310 is wound around the outer surface of the rewinding shaft 309 for a limited winding. If subsequent maintenance of the internal components of the mainboard protective shell 301 is required, the nut 315 connected to the fixing block 314 on one side of the plug ring 313 fixedly connected to the bottom surface of the mainboard protective shell 301 can be loosened. The threaded rod 316, which is limited by the inner surface of the nut 315, can be removed. Then, the matching limiting plate 318 can be pulled out from the plug opening 317 on the inner surface of the plug ring 313. This allows for disassembly and repair of the internal structure of the protective shell. After completion, the components are reset in reverse order.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A lithium battery formation, capacity, voltage, and internal resistance testing device, comprising a main body (1), characterized in that: A testing mechanism (3) is installed on the upper surface of the main body (1) of the device, a support base plate (2) is fixedly connected to the bottom surface of the main body (1), and a carrying handle (5) is fixedly connected to one side of the main body (1). The testing mechanism (3) includes a test motherboard protective shell (301), which is mounted on the device body (1). A cover plate (302) is snapped onto the side surface of the test motherboard protective shell (301). A support base plate assembly (303) is mounted on the upper surface of the device body (1). A support block (304) is mounted on the upper surface of the support base plate assembly (303). A controller (305) is fixedly connected to one side of the support block (304). A test motherboard assembly (306) is mounted on the upper surface of the device body (1). An indicator (307) is mounted on the upper surface of the test motherboard assembly (306). A detection data output board (308) is installed on the side surface of the detection data output board (308). A winding and storage shaft (309) is fixedly connected to one side of the detection data output board (308). A data detection output line (310) is limited and sleeved on the outer ring surface of the winding and storage shaft (309). A data detection head assembly (311) is fixedly connected to one side of the data detection output line (310). A plug ring (313) is fixedly connected to the bottom surface of the detection motherboard protective shell (301). A fixing block (314) is fixedly connected to one side of the plug ring (313). A nut (315) is fixedly connected to one side of the fixing block (314). A limiting insert plate (318) is limited and inserted into the inner ring surface of the plug ring (313).

2. The lithium battery formation, capacity, voltage, and internal resistance testing device according to claim 1, characterized in that: A gripper (312) is fixedly connected to one side of the data detection head assembly (311), and the gripper (312) is connected to the data detection output line (310) through the data detection head assembly (311).

3. The lithium battery formation, capacity, voltage, and internal resistance testing device according to claim 1, characterized in that: The inner surface of the plug ring (313) is provided with a plug opening (317), and the plug opening (317) and the limiting plug plate (318) are matched in size.

4. The lithium battery formation, capacity, voltage, and internal resistance testing device according to claim 1, characterized in that: The detection motherboard protective shell (301) has a mating page (319) fixedly connected to one side, and there are multiple mating pages (319).

5. The lithium battery formation, capacity, voltage, and internal resistance testing device according to claim 4, characterized in that: A maintenance door (320) is fixedly connected to one side of the docking page (319), and the maintenance door (320) is connected to the detection motherboard protective shell (301) through the docking page (319).

6. The lithium battery formation, capacity, voltage, and internal resistance testing device according to claim 1, characterized in that: The inner ring surface of the nut (315) is fitted with a threaded rod (316), and the threaded rod (316) is connected to the nut (315) and the fixing block (314).

7. The lithium battery formation, capacity, voltage, and internal resistance testing device according to claim 1, characterized in that: The bottom surface of the support base plate (2) is fitted with anti-slip fixing feet (4), and there are multiple anti-slip fixing feet (4) that are parallel to each other.

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