Fixing mechanism for sodium battery evaluation test

Abstract

The utility model discloses a fixing mechanism for sodium battery evaluation test, which belongs to the technical field of battery test, and comprises a fixing shell for fixing a battery, and a plurality of groups of slot instruments for fixing the battery are arranged at the top of the fixing shell; according to the utility model, the batteries are evaluated and tested through the battery comprehensive tester, during testing, a user can insert the tops of a plurality of groups of batteries into the fixing grooves at the bottom of the top cover, and the tops of the batteries can be clamped and fixed in the inner cavities of the fixing grooves under the clamping action of the gaskets; then a user can insert a plurality of groups of batteries into the inner cavity of the slot at one time by accommodating the top cover, at the moment, the top cover can be clamped and fixed at the top of the fixed shell through the arrangement of the clamping assembly, so that the batteries are fixed in the inner cavity of the slot, and when the batteries need to be disassembled after the test is completed, the user can open the elastic buckles to disassemble the batteries; at the moment, most of the batteries can be ejected out of the slots by the ejection assembly, and a user can take out all the batteries at one time by taking the top cover.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery test technical field, concretely is a kind of fixed mechanism for sodium battery evaluation test. BACKGROUND

[0002] At present, the lithium battery test process is carried out by manual, that is, the performance of lithium battery is tested by various instruments in steps by manual. On the one hand, the lithium battery needs to be tested one by one, which is low in efficiency, and on the other hand, the personnel needs to be on duty throughout the process, which is high in labor cost, needs various instruments and low in test accuracy.

[0003] The patent with publication (publication) No. CN220455386U discloses a battery fixing jig, comprising a shell with an opening, the shell further comprises a plurality of clamping grooves for embedding batteries, and the batteries are loaded into the clamping grooves from the opening; the slot wall of each clamping groove is provided with an opening for exposing the positive and negative poles of the battery to the shell, and the adjacent clamping grooves are provided with an isolation plate for preventing interference, which extends to the opening. A battery testing device is also provided, comprising a battery comprehensive tester and the above-mentioned battery fixing jig, which can be detachably installed on the battery fixing jig. The utility model adopts the battery fixing jig, which can accommodate multiple batteries at the same time, facilitating the testing of multiple batteries at the same time and improving the testing efficiency. In addition, the battery comprehensive tester can improve the testing accuracy of lithium batteries and reduce the labor cost.

[0004] The battery fixing jig involved in the above-mentioned patent needs to insert the batteries one by one into the inner cavity of the clamping groove during use, and after the test is completed, the batteries need to be pulled out one by one from the clamping groove, which is time-consuming and low in testing efficiency, therefore, we need to propose a fixed mechanism for sodium battery evaluation test. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a fixed mechanism for sodium battery evaluation test, which has the advantages of batch installation and removal of test batteries, to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above object, the utility model provides a kind of fixed mechanism for sodium battery evaluation test, including the fixed shell for fixing battery, the top of the fixed shell is equipped with several groups of insertion slot for fixing battery, the bottom of the fixed shell is equipped with battery comprehensive tester for testing battery, the top of the fixed shell is equipped with top cover, the bottom of the top cover is equipped with fixed slot corresponding with insertion slot, the both sides of the inner cavity of fixed slot are all bonded with gasket for clamping battery in the inner cavity of fixed slot, the both sides of the top cover and the top of the fixed shell are also equipped with clamping assembly, the top cover is clamped and fixed in the top of the fixed shell by clamping assembly, the bottom of the inner cavity of insertion slot is also equipped with ejection assembly for assisting battery to be taken out from insertion slot.

[0007] Preferably, the ejection assembly includes an ejection plate slidingly mounted in the insertion cavity, a compression spring fixedly installed at the bottom of the ejection plate, a bottom end of the compression spring fixedly connected with the inner wall of the insertion slot, and a guide assembly arranged between the ejection plate and the insertion slot for improving the movement stability thereof.

[0008] Preferably, the guide assembly includes a guide rod fixedly installed at the bottom of the ejection plate, a guide slot formed at the bottom of the insertion cavity and corresponding to the guide rod, and a bottom end of the guide rod slidingly inserted into the inner cavity of the guide slot.

[0009] Preferably, the clamping assembly includes elastic buckles fixedly installed at the front and rear ends of the top of the fixed shell, clamping grooves corresponding to the elastic buckles formed at the both sides of the surface of the top cover, and top ends of the elastic buckles penetrating through the clamping grooves and clamped with the top of the top cover.

[0010] Preferably, a groove for inserting battery electrode is formed at the front of the fixed shell and corresponding to the insertion slot, and the groove is in communication with the insertion slot.

[0011] Preferably, a plurality of sampling probes are fixedly installed at the front of the battery comprehensive tester, and the sampling probes are corresponding to the groove.

[0012] Preferably, mounting holes are formed at the four corners of the front of the battery comprehensive tester, and a heat dissipation groove is formed at one side of the battery comprehensive tester.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model discloses a battery comprehensive tester is carried out to the battery evaluation test, when testing, the user can first insert the top of multiple batteries into the fixed groove of the top cover bottom, under the clamping of gasket, the top of battery will be clamped and fixed in the inner chamber of fixed groove, then the user can insert the multiple batteries into the inner chamber of the slot, at this time, the top cover will be clamped and fixed on the top of fixed shell through the setting of joint assembly, thereby fixing the battery in the inner chamber of the slot, when the battery needs to be disassembled after testing, the user can open the elastic buckle, at this time, the ejector assembly will eject most of the battery from the slot, and the user can take the top cover to take out all the batteries at a time, through the setting of the device, it has the advantage of batch installation and taking out test battery. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of the utility model;

[0016] Figure 2 It is the structural schematic diagram of the fixed shell of the utility model;

[0017] Figure 3 It is the structural schematic diagram of the top cover bottom of the utility model;

[0018] Figure 4 It is the structural schematic diagram of the ejector assembly of the utility model.

[0019] In the drawing: 1, fixed shell, 2, slot, 3, battery comprehensive tester, 4, top cover, 5, fixed groove, 6, gasket, 7, ejector plate, 8, compression spring, 9, guide rod, 10, guide slot, 11, elastic buckle, 12, card slot, 13, channel, 14, sampling probe, 15, mounting hole, 16, heat dissipation groove. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Please refer to Figures 1-4The utility model provides a kind of fixed mechanism for sodium battery evaluation test, including the fixed shell 1 for fixing battery, the top of fixed shell 1 is equipped with several groups of slot 2 for fixing battery, the bottom of fixed shell 1 is equipped with battery comprehensive tester 3 for testing battery, several groups of sampling probe 14 are fixedly installed on the front of battery comprehensive tester 3, sampling probe 14 is correspondingly arranged with channel 13, mounting hole 15 is equipped in the four corners of the front of battery comprehensive tester 3, and heat dissipation groove 16 is equipped in one side of battery comprehensive tester 3.

[0022] In the embodiment, the battery is tested by the battery comprehensive tester 3, in the embodiment, the battery comprehensive tester 3 is configured with multiple probes, that is, multiple-channel testing can be formed. Preferably, the sampling probe 14 is connected with two detection clamps, and the two detection clamps are connected with the positive and negative electrodes of the battery, respectively. The two detection clamps are divided into voltage detection clamps and current detection clamps. The red detection clamp is connected with the positive electrode of the battery, and the black detection clamp is connected with the negative electrode of the battery. After the connection is completed, the self-checking program is automatically entered, and the current state of the battery is read out. The current state is displayed as battery voltage, current, capacity and battery communication state. According to the current state of the battery, it is determined whether the battery self-checking is qualified. After the self-checking is qualified, it can be further determined whether the lithium battery function is qualified from the multiple test items behind, to improve the testing accuracy and efficiency of lithium battery products.

[0023] The battery comprehensive tester 3 has a battery capacity test module, a battery overcharge protection module, a battery overdischarge protection module and a battery overcurrent protection module. In the embodiment, the multiple automatic test items include battery capacity, standard charge and discharge, maximum charge and discharge, battery overcharge protection, battery overdischarge protection, battery overcurrent protection, battery internal resistance and NTC protection mechanism, so as to automatically complete the lithium battery automatic test process, improve the product test efficiency and reduce the labor cost. Specifically, the battery capacity test is to discharge the lithium battery sample to the discharge cutoff voltage, then charge it to the charge cutoff voltage at constant current and constant voltage, and calculate the lithium battery capacity from the discharge cutoff voltage to the charge cutoff voltage. The battery overcharge protection is to continuously charge the battery at constant current and constant voltage until the activation of the battery protection device. The battery overdischarge protection is to continuously discharge the battery at constant current and constant voltage until the activation of the battery protection device. The battery overcurrent protection is to discharge the lithium battery at a large current until the activation of the battery protection device.

[0024] The channel 13 for inserting the electrode of the battery is arranged on the front of the fixed shell 1 and corresponds to the slot 2. The channel 13 is arranged through the slot 2. After the battery is fixed, the electrode of the battery is exposed to the outside through the channel 13, so as to facilitate the testing.

[0025] As preferred, the top of the fixed shell 1 is provided with a top cover 4, the bottom of the top cover 4 is provided with a fixed slot 5 corresponding to the slot 2, and the inner cavity of the fixed slot 5 is bonded with a gasket 6 for clamping the battery in the inner cavity of the fixed slot 5. In the embodiment, the top of the battery is inserted into the fixed slot 5, and the two groups of gaskets 6 will fasten the battery in the fixed slot 5. In the embodiment, the gasket 6 can be a rubber gasket 6, which has elasticity and can better clamp and fix the battery.

[0026] It is worth noting that the two sides of the top cover 4 and the top of the fixed shell 1 are also provided with a clamping assembly, and the top cover 4 is clamped and fixed to the top of the fixed shell 1 through the clamping assembly. The clamping assembly includes elastic buckles 11 fixedly installed on the top of the fixed shell 1 on both sides of the front and rear ends, and the surface of the top cover 4 is provided with clamping grooves 12 corresponding to the elastic buckles 11. The top end of the elastic buckle 11 penetrates the clamping groove 12 and is clamped with the top of the top cover 4. Through the setting of the clamping assembly, after the battery is inserted into the fixed slot 5 at the bottom of the top cover 4, the user can move the top cover 4 to insert the battery into the inner cavity of the slot 2 at one time, and press the top cover 4 downward, so that the elastic buckle 11 penetrates the clamping groove 12 and is clamped on the top of the top cover 4, thereby clamping and fixing the top cover 4 on the top of the fixed shell 1, so as to fix the battery in the slot 2.

[0027] Further, the bottom of the inner cavity of the slot 2 is also provided with an ejection assembly for assisting the battery to be taken out of the slot 2. The ejection assembly includes an ejection plate 7 slidably installed in the inner cavity of the slot 2, and a compression spring 8 fixedly installed at the bottom of the ejection plate 7. The bottom end of the compression spring 8 is fixedly connected with the inner wall of the slot 2. Through the setting of the ejection assembly, when the battery needs to be removed after the evaluation test is completed, the user removes the top cover 4, and the reaction force generated by the contraction of the compression spring 8 will upwardly drive the ejection plate 7, thereby ejecting the main body of the battery from the inner cavity of the slot 2, so as to facilitate the user to take out the battery from the slot 2.

[0028] Further, the ejection plate 7 and the slot 2 are also provided with a guide assembly for improving the stability of the movement thereof. The guide assembly includes a guide rod 9 fixedly installed at the bottom of the ejection plate 7, and a guide groove 10 is formed at the bottom of the inner cavity of the slot 2 and corresponds to the position of the guide rod 9. The bottom end of the guide rod 9 is slidably inserted into the inner cavity of the guide groove 10. Through the setting of the guide assembly, the stability of the movement of the ejection plate 7 can be improved. When the ejection plate 7 moves, the guide rod 9 will slide in the inner cavity of the guide groove 10.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A fixing mechanism for sodium battery evaluation test, comprising a fixing shell (1) for fixing the battery, a plurality of groups of slots (2) for fixing the battery are arranged on the top of the fixing shell (1), and a battery integrator (3) for testing the battery is arranged on the bottom of the fixing shell (1), characterized in that: The top of the fixed shell (1) is provided with a top cover (4), the bottom of the top cover (4) is provided with a fixed slot (5) corresponding to the slot (2), the both sides of the inner cavity of the fixed slot (5) are bonded with a gasket (6) for clamping the battery in the inner cavity of the fixed slot (5), the both sides of the top cover (4) and the top of the fixed shell (1) are further provided with a clamping assembly, the top cover (4) is clamped and fixed to the top of the fixed shell (1) through the clamping assembly, and the bottom of the inner cavity of the slot (2) is further provided with an ejection assembly for assisting the battery to be taken out of the slot (2).

2. The fixing mechanism for sodium battery evaluation test according to claim 1, characterized in that: The ejection assembly comprises an ejection plate (7) slidingly installed in the inner cavity of the slot (2), the bottom of the ejection plate (7) is fixedly installed with a compression spring (8), the bottom end of the compression spring (8) is fixedly connected with the inner wall of the slot (2), and the ejection plate (7) and the slot (2) are further provided with a guide assembly for improving the movement stability.

3. The fixture for evaluating sodium batteries according to claim 2, wherein: The guide assembly comprises a guide rod (9) fixedly installed at the bottom of the ejection plate (7), the bottom of the inner cavity of the slot (2) and located at the corresponding position of the guide rod (9) is provided with a guide slot (10), and the bottom end of the guide rod (9) is slidingly inserted into the inner cavity of the guide slot (10).

4. The fixture for evaluating sodium batteries according to claim 1, wherein: The clamping assembly comprises an elastic buckle (11) fixedly installed at the both sides of the top of the fixed shell (1), the both sides of the surface of the top cover (4) are provided with a clamping groove (12) corresponding to the elastic buckle (11), and the top end of the elastic buckle (11) penetrates through the clamping groove (12) and is clamped with the top of the top cover (4).

5. The fixture for evaluating sodium batteries according to claim 1, wherein: The front of the fixed shell (1) and located at the corresponding position of the slot (2) is provided with a groove (13) for inserting the electrode of the battery, and the groove (13) and the slot (2) are in communication.

6. The fixture for evaluating sodium batteries according to claim 5, wherein: The front of the battery comprehensive tester (3) is fixedly installed with a plurality of sampling probes (14), and the sampling probes (14) are correspondingly arranged with the groove (13).

7. The fixture of claim 1, wherein: The front of the battery comprehensive tester (3) is provided with a mounting hole (15) at each corner, and the side of the battery comprehensive tester (3) is provided with a heat dissipation groove (16).

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