Lithium battery pack electrode durability test equipment

Abstract

The utility model belongs to the technical field of lithium batteries, and particularly relates to lithium battery pack electrode durability testing equipment which comprises an electric control base. A test box is arranged above the electric control base, a box cover is detachably arranged above the test box, and a supporting frame is arranged on the rear wall of the inner side of the test box; a plurality of electrode contact mechanisms are uniformly arranged on the support frame, a plurality of plugging ports are arranged behind the test box, and an adjusting mounting mechanism is arranged on the support frame; an environment simulation mechanism is arranged in the test box, the electrode contact mechanism comprises a plurality of contact supports arranged on the support frame, a contact shell is slidably connected in each contact support, a spring is arranged in each contact support, the other end of each spring is connected with the corresponding contact shell, a contact head is arranged on each contact shell, and the corresponding contact head is electrically connected with a plug port. The electrode durability testing device can test lithium battery packs of different sizes, and can detect a plurality of electrodes at one time, so that the testing efficiency of the electrode durability testing device is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lithium battery technical field, specifically is a kind of lithium battery pack electric level durability test equipment. BACKGROUND

[0002] Lithium battery pack is combined by multiple lithium battery monomers by series or parallel connection, lithium battery pack has higher energy density, so that equipment can store more energy under the same weight or volume, lithium battery pack has longer service life, after multiple charge-discharge cycles, still can maintain higher capacity.

[0003] Among them, electrode is the important component of lithium battery pack, lithium battery pack mainly relies on lithium ion to move between positive and negative to work, and the electric level durability of lithium battery pack needs to be tested.

[0004] When electrode durability test device is used, it is inconvenient to test lithium battery pack of different sizes, so that the use of the device is limited, and it is also difficult to detect multiple electrodes at a time, which affects the test efficiency of electrode durability test device, therefore, aiming at the above problems, a kind of lithium battery pack electric level durability test equipment is provided. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the prior art, solve at least one technical problem proposed in the background art, the utility model provides a kind of lithium battery pack electric level durability test equipment.

[0006] The utility model solves the technical scheme that the utility model discloses a kind of lithium battery pack electric level durability test equipment, including electric control base;The electric control base upper portion is provided with test box, the upper portion of the test box is detachably provided with box cover, and the inner side rear wall of the test box is provided with support frame;

[0007] The support frame is evenly provided with a plurality of electrode contact mechanisms, and the rear of the test box is provided with a plurality of plug-in interfaces, and the plug-in interfaces are electrically connected with the electrode contact mechanisms.

[0008] The support frame is provided with adjusting mounting mechanism.

[0009] The inside of the test box is provided with environment simulation mechanism.

[0010] Preferably, the electrode contact mechanism includes a plurality of contact supports provided on the support frame, the contact supports are slidably connected with contact shells, the inside of the contact supports is provided with springs, the other end of the springs is connected with the contact shells, the contact shells are provided with contact heads, and the contact heads are electrically connected with the plug-in interfaces.

[0011] Preferably, the adjusting mounting mechanism comprises a set of adjusting grooves formed on the support frame, an adjusting support is slidably connected to the adjusting grooves, a plurality of adjusting holes are uniformly formed on the two sides of the adjusting support, positioning holes are formed on the adjusting grooves, a bracket is arranged on the lower front part of the adjusting support, and an adjusting assembly is arranged on the bracket.

[0012] Preferably, the adjusting assembly comprises a sliding groove formed on the two sides of the bracket, a sliding seat is slidably connected to the sliding groove, a sliding rod is arranged in the sliding groove on one side, a threaded rotating rod is arranged in the sliding groove on the other side, the sliding rod is slidably connected to the corresponding sliding seat, the threaded rotating rod is threadedly connected to the corresponding threaded rotating rod, and battery abutting plates are arranged above the two sliding seats.

[0013] Preferably, the bracket is uniformly provided with a plurality of supporting plates.

[0014] Preferably, the environmental simulation mechanism comprises a temperature-resistant air exhaust arranged at the bottom of the inside of the test box, and electric heaters are arranged on the two sides of the inside of the test box.

[0015] The present application has the following beneficial effects:

[0016] The present application provides a lithium battery pack electrical level durability test equipment, which is characterized in that: the adjusting mounting mechanism is arranged on the support frame, the height of the test lithium battery pack is adjusted, the support frame is slid in the adjusting groove, the corresponding adjusting hole and the positioning hole are connected through the screw, the rear side of the test lithium battery pack is abutted and positioned through the structure of the adjusting assembly, the stability of the test lithium battery pack is improved, the user can easily operate and adjust, and the multiple lithium battery packs can be simultaneously tested.

[0017] The present application provides a lithium battery pack electrical level durability test equipment, which is characterized in that: the electrode contact mechanism is arranged, the contact head can stably contact the electrical contact of the test lithium battery pack, and the phenomenon of poor contact during the durability test of the lithium battery pack is avoided.

[0018] The present application provides a lithium battery pack electrical level durability test equipment, which is characterized in that: the environmental simulation mechanism is arranged, the temperature in the test box is uniform, the battery is discharged under different high-temperature environments, the aging process of the battery is accelerated, and the service life and stability of the battery electrode can be quickly evaluated. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present application, and constitute a part of the present application, the schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application.

[0020] In the drawings:

[0021] Figure 1 is a perspective view of the utility model;

[0022] Figure 2 is a partial sectional view of the utility model;

[0023] Figure 3 is a structural schematic view of the adjusting mounting mechanism;

[0024] Figure 4 is Figure 3 is an enlarged view of A in the middle;

[0025] Figure 5 is a structural schematic view of the electrode contact point mechanism.

[0026] Legend:

[0027] 1, electric control base; 2, test box; 3, box cover; 4, support frame; 5, plug interface; 6, contact point support; 7, contact point shell; 8, spring; 9, contact point head; 10, adjusting groove; 11, adjusting support; 12, adjusting hole; 13, positioning hole; 14, bracket; 15, sliding groove; 16, sliding seat; 17, sliding rod; 18, threaded rotating rod; 19, battery stop plate; 20, supporting plate; 21, temperature-resistant air exhaust; 22, electric heater. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] The specific embodiments are given below.

[0030] Please refer to Figures 1-5 The utility model provides a kind of lithium battery group electric level durability test equipment, including electric control base 1;Electric control base 1 is provided with test interface, test interface is compatible with plug interface 5, electric control base 1 is provided with test box 2 above, the upper side of test box 2 is detachably provided with box cover 3, and the inner side rear wall of test box 2 is provided with support frame 4;

[0031] Support frame 4 is evenly provided with multiple electrode contact point mechanisms, and the rear of test box 2 is provided with multiple plug interfaces 5, which are electrically connected with the electrode contact point mechanisms;Through the structural setting of electrode contact point mechanism, contact point head 9 can be stably contacted with the electric contact of test lithium battery group, so that the phenomenon of poor contact occurs when the lithium battery group is tested for durability.

[0032] The support frame 4 is provided with an adjusting mounting mechanism; different sizes of lithium battery packs can be adjusted and mounted.

[0033] The inside of the test box 2 is provided with an environment simulation mechanism, which simulates the discharge test of the battery under different high-temperature environments to accelerate the aging process of the battery. This method can quickly evaluate the life and stability of the battery electrode.

[0034] Further, as shown in Figure 3 and Figure 5 , the electrode contact mechanism includes a plurality of contact supports 6 provided on the support frame 4, the contact supports 6 are slidably connected with the contact shells 7, the inside of the contact supports 6 is provided with springs 8, the other end of the springs 8 is connected with the contact shells 7, the contact shells 7 are provided with contact heads 9, the corresponding contact heads 9 are electrically connected with the plug-in interface 5. Through the structural arrangement of the electrode contact mechanism, the contact heads 9 can stably contact the electrical contacts of the test lithium battery pack, avoiding the phenomenon of poor contact when the lithium battery pack is tested for durability.

[0035] Further, as shown in Figure 3 and Figure 4 , the adjusting mounting mechanism includes a group of adjusting grooves 10 opened on the support frame 4, the adjusting grooves 10 are slidably connected with the adjusting brackets 11, a plurality of adjusting holes 12 are uniformly opened on both sides of the adjusting bracket 11, the adjusting grooves 10 are provided with positioning holes 13, the front part of the adjusting bracket 11 is provided with a bracket 14, the bracket 14 is provided with an adjusting assembly. According to the height of the test battery pack, the support frame 4 is slid in the adjusting groove 10, the corresponding adjusting hole 12 and positioning hole 13 are connected through the screw, the rear side of the test lithium battery pack is positioned by the adjusting assembly, thereby improving the stability of the test of the lithium battery pack.

[0036] Further, as shown in Figure 3 and Figure 4 , the adjusting assembly includes a sliding groove 15 opened on both sides above the bracket 14, the sliding groove 15 is slidably connected with a sliding seat 16, a sliding rod 17 is arranged in one side of the sliding groove 15, a threaded rotating rod 18 is arranged in the other side of the sliding groove 15, the sliding rod 17 is slidably connected with the corresponding sliding seat 16, the threaded rotating rod 18 is threadedly connected with the corresponding threaded rotating rod 18, and battery stop plates 19 are arranged above the two sliding seats 16. Through the structural arrangement of the adjusting assembly, the rear side of the test lithium battery pack is positioned, thereby improving the stability of the test of the lithium battery pack.

[0037] Further, as shown in Figure 3 , the bracket 14 is uniformly provided with a plurality of supporting plates 20, so that the lower side of the lithium battery pack can also be heated when the environment simulation mechanism is running.

[0038] Furthermore, such as Figure 2 As shown, the environmental simulation mechanism includes a heat-resistant air vent 21 located at the bottom of the inner side of the test box 2. Electric heaters 22 are located on both sides of the inner side of the test box 2. The heat-resistant air vent 21 has three fan blades, and the electric heaters 22 are equipped with temperature sensors and temperature controllers. The electric heaters 22 are electrically connected to the electric control base 1. By using the electric heaters 22 in conjunction with the heat-resistant air vent 21, the temperature in the test box 2 is made uniform. The purpose is to conduct discharge tests on the battery under different high-temperature environments to accelerate the aging process of the battery. This method can quickly evaluate the lifespan and stability of the battery electrodes.

[0039] During operation, the lithium battery pack is fully charged, left to stand for a period of time to stabilize the internal state of the battery, and then multiple lithium battery packs are placed in the bracket 14 so that the electrical contacts of the corresponding lithium battery packs correspond to the electrode contact mechanism.

[0040] By adjusting the structural settings of the mounting mechanism, the support frame 4 slides in the adjustment groove 10 according to the height of multiple battery packs to be tested. The corresponding adjustment holes 12 and positioning holes 13 are connected by screws. By adjusting the structural settings of the components, the threaded rotating rod 18 is rotated, so that the slide block 16 slides in the slide groove 15, thereby moving the battery back plate 19 and positioning the rear side of the tested lithium battery pack, improving the stability of the lithium battery pack test, facilitating user operation and adjustment, and enabling simultaneous testing of multiple lithium battery packs.

[0041] Through the structural design of the electrode contact mechanism, the contact head 9 can make stable contact with the electrical contacts of the test lithium battery pack, thus avoiding poor contact during the durability test of the lithium battery pack.

[0042] By setting up an environmental simulation mechanism, the electric heater 22, in conjunction with the high-temperature exhaust fan 21, ensures uniform temperature within the test box 2. This allows for discharge testing of the battery under different high-temperature environments to accelerate the battery's aging process. This method can quickly assess the lifespan and stability of the battery electrodes.

[0043] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A lithium battery pack electrode durability testing device, comprising an electronic control base (1); characterized in that: A test box (2) is provided above the electrical control base (1), and a box cover (3) is detachably provided above the test box (2). A support frame (4) is provided on the inner rear wall of the test box (2). Multiple electrode contact mechanisms are evenly arranged on the support frame (4), and multiple plug-in interfaces (5) are arranged at the rear of the test box (2). The multiple plug-in interfaces (5) are electrically connected to the electrode contact mechanisms. An adjustment and installation mechanism is provided on the support frame (4); The test box (2) is equipped with an environmental simulation mechanism inside.

2. The lithium battery pack electrode durability testing equipment according to claim 1, characterized in that: The electrode contact mechanism includes multiple contact supports (6) provided on the support frame (4). A contact shell (7) is slidably connected in the contact support (6). A spring (8) is provided inside the contact support (6). The other end of the spring (8) is connected to the contact shell (7). A contact head (9) is provided on the contact shell (7). The corresponding contact head (9) is electrically connected to the plug interface (5).

3. The lithium battery pack electrode durability testing equipment according to claim 1, characterized in that: The adjustment and installation mechanism includes a set of adjustment slots (10) opened on the support frame (4), an adjustment bracket (11) is slidably connected on the adjustment slots (10), a plurality of adjustment holes (12) are evenly opened on both sides of the adjustment bracket (11), a positioning hole (13) is opened on the adjustment slots (10), a bracket (14) is placed at the front of the adjustment bracket (11), and an adjustment component is provided on the bracket (14).

4. The lithium battery pack electrode durability testing equipment according to claim 3, characterized in that: The adjustment assembly includes slide grooves (15) opened on both sides above the bracket (14). A slide block (16) is slidably connected in the slide groove (15). A slide rod (17) is provided in one side of the slide groove (15), and a threaded rotating rod (18) is provided in the other side of the slide groove (15). The slide rod (17) is slidably connected to the corresponding slide block (16), and the threaded rotating rod (18) is threadedly connected to the corresponding threaded rotating rod (18). A battery abutment (19) is provided above the two slide blocks (16).

5. The lithium battery pack electrode durability testing equipment according to claim 4, characterized in that: The bracket (14) is evenly provided with multiple trays (20).

6. The lithium battery pack electrode durability testing equipment according to claim 1, characterized in that: The environmental simulation mechanism includes a heat-resistant air vent (21) installed at the bottom inside the test box (2), and electric heaters (22) are installed on both sides inside the test box (2).

Images