Low-temperature testing device for lead-acid storage battery

Abstract

The low-temperature testing device comprises a low-temperature box main body, a low-temperature chamber arranged in the low-temperature box main body, a box door which is rotatably arranged on the front surface of the low-temperature box main body and corresponds to the low-temperature chamber, and a plurality of supporting plates which are fixed on the inner side of the low-temperature chamber, wherein a plurality of lead-acid storage batteries are arranged at the tops of the supporting plates; the two sliding type pressing structures are arranged at the top of the supporting plate; according to the utility model, a pressing structure capable of flexibly sliding is designed in the existing low-temperature box, so that the storage battery can be flexibly adjusted in a front-back sliding manner according to the actual size of the storage battery, the storage battery can be tightly pressed and effectively limited, and the placement stability of the storage battery in the low-temperature box is ensured; according to the design, the accuracy and the safety of the test are improved, the universality and the practicability of the low-temperature box are greatly enhanced, and a more efficient and reliable solution is provided for the low-temperature performance test of the lead-acid storage battery.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lead -acid battery test, specifically related to a kind of low temperature testing device for lead -acid battery. BACKGROUND

[0002] In some extreme climate conditions, such as cold regions or high altitude areas, the performance stability of lead-acid batteries is directly related to the reliable operation of equipment, therefore, low temperature performance test is carried out on lead-acid batteries to evaluate their working capacity in low temperature environment, which is the key link to ensure their adaptation to various application environments, and the industry generally uses a special low temperature testing device, i.e. a low temperature box, to carry out more accurate and efficient low temperature performance test on lead-acid batteries, such as the low temperature box for testing the low temperature capacity of the battery disclosed in the existing patent with publication number CN214473820U, which includes a low temperature box body, the low temperature box body has a refrigeration cavity for placing the battery, and one side of the refrigeration cavity has an open door; The top of the refrigeration cavity has a liftable connector for connecting with the battery terminal, it can be seen that the low temperature testing device for lead-acid battery described in the application is a common low temperature testing device for lead-acid battery, the low temperature box as a closed equipment capable of accurately controlling the internal temperature can simulate various low temperature environments to provide a stable and controllable test platform for lead-acid batteries, when in use, the operator only needs to put the lead-acid battery to be tested into the low temperature box, set the required low temperature condition, and wait for a certain time to make the battery reach thermal equilibrium state, then take it out for capacity test, this method can accurately control the test conditions, improve the accuracy and repeatability of the test;

[0003] However, the low temperature box as a low temperature testing device for lead-acid battery in the prior art has no corresponding limiting structure in the low temperature box, especially when handling lead-acid batteries of different sizes and shapes, the battery is easy to displace or shake in the low temperature box, which not only affects the accuracy of the test, but also may cause damage to the battery itself, in addition, even if a simple fixing bracket is used, it is often not flexible enough to adapt to different types of batteries, limiting the versatility and practicality of the low temperature box, therefore, the utility model provides a low temperature testing device for lead-acid battery. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a low temperature testing device for lead-acid battery to solve the problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a low temperature testing device for lead-acid battery, comprising

[0006] The low-temperature chamber body, the low-temperature chamber located inside the low-temperature chamber body, the chamber door that is rotatably installed on the front surface of the low-temperature chamber body and corresponds to the low-temperature chamber, and multiple trays fixed inside the low-temperature chamber, with multiple lead-acid batteries placed on the top of the trays.

[0007] The pallet includes two sliding clamping structures on its top, comprising a strip-shaped track on the surface of the pallet, a cylindrical movable rod that moves through the strip-shaped track, a pressure plate installed on the top of the cylindrical movable rod, and a rubber pressure block installed on the bottom of the pressure plate and in close contact with the lead-acid battery. The top and bottom ends of the cylindrical movable rod extend to the top and bottom of the pallet, respectively. The bottom end of the cylindrical movable rod is fixed to a base plate relative to the bottom of the pallet, and a spring is fitted on the bottom surface of the cylindrical movable rod above the base plate.

[0008] Preferably, the sliding clamping structure further includes a top slide plate movably sleeved on the bottom surface of the cylindrical movable rod and located above the spring, and the top surface of the top slide plate slides in contact with the bottom surface of the support plate.

[0009] Preferably, the spring is located between the top plate and the bottom plate.

[0010] Preferably, the top end of the spring abuts against the bottom surface of the top plate, and the bottom end of the spring abuts against the top surface of the base plate.

[0011] Preferably, the surface of the top sliding plate has a through hole corresponding to the cylindrical movable rod.

[0012] Preferably, the sliding clamping structure further includes an installation structure disposed between the pressure plate and the rubber pressure block.

[0013] Preferably, the installation structure includes a T-shaped clip fixed to the bottom surface of the pressure plate and a T-shaped slot opened on the top surface of the rubber pressure block, wherein the T-shaped clip is embedded in the T-shaped slot.

[0014] Preferably, an operation panel is also provided on the front surface of the low-temperature chamber body relative to the right side of the low-temperature chamber.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model designs a flexible sliding clamping structure in the existing low-temperature chamber, which can be flexibly adjusted back and forth according to the actual size of the battery to achieve tight clamping and effective limiting of the battery, ensuring the stability of the battery in the low-temperature chamber. This design not only improves the accuracy and safety of the test, but also greatly enhances the versatility and practicality of the low-temperature chamber, providing a more efficient and reliable solution for the low-temperature performance testing of lead-acid batteries. Attached Figure Description

[0016] Figure 1The structural schematic view of the utility model;

[0017] Figure 2 The structural schematic view of the utility model's supporting plate and sliding type compression structure;

[0018] Figure 3 The bottom view of the utility model's supporting plate and sliding type compression structure;

[0019] Figure 4 The sectional view of the utility model's sliding type compression structure;

[0020] Figure 5 The utility model Figure 4 The local enlarged view of area A;

[0021] In the figure: 1, low temperature box main part; 2, low temperature room; 3, box door; 4, supporting plate; 5, sliding type compression structure; 51, strip-shaped slide; 52, cylindrical movable rod; 53, pressing plate; 531, T-shaped clamping head; 54, rubber pressing block; 541, T-shaped clamping groove; 55, spring; 56, bottom plate; 57, top slide plate; 6, lead-acid storage battery. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be described clearly and completely 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, not 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 protection scope of the utility model. Embodiment 1

[0023] Please refer to Figures 1 to 4 , the first embodiment of the utility model provides a kind of technical scheme: a low temperature test device for lead-acid storage battery, including

[0024] Low temperature box main part 1, low temperature room 2 being opened in the inside of low temperature box main part 1, box door 3 being rotatably installed in the front surface of low temperature box main part 1 and corresponding with low temperature room 2, multiple supporting plates 4 being fixed in the inner side of low temperature room 2, and multiple lead-acid storage batteries 6 are placed on the top of supporting plate 4, above-mentioned structure is all disclosed technology in prior art, specifically can refer to the prior patent with the publication number CN214473820U, specific working principle is not too much here, while low temperature box main part 1 is actually a kind of common industrial low temperature box, and specific model can be BDF-25V270;

[0025] And two sliding compression structures 5 arranged on the top of the supporting plate 4, including a strip-shaped slide 51 opened on the surface of the supporting plate 4, a cylindrical movable rod 52 movably penetrating through the strip-shaped slide 51, a pressing plate 53 arranged on the top end of the cylindrical movable rod 52, a rubber pressing block 54 arranged on the bottom surface of the pressing plate 53 and in compression contact with the lead-acid storage battery 6, the top end and the bottom end of the cylindrical movable rod 52 penetrating through the top and the bottom of the supporting plate 4 respectively, the bottom end of the cylindrical movable rod 52 being welded and fixed with a bottom plate 56 relative to the bottom of the supporting plate 4, and a spring 55 being further sleeved on the bottom end surface of the cylindrical movable rod 52 relative to the top of the bottom plate 56, the sliding compression structure 5 further including a top sliding plate 57 movably sleeved on the bottom end surface of the cylindrical movable rod 52 and above the spring 55, and the top surface of the top sliding plate 57 being in sliding contact with the bottom surface of the supporting plate 4, in actual use, first place the lead-acid storage battery 6 to be tested at low temperature on the top of the supporting plate 4, then lift the pressing plate 53 and the cylindrical movable rod 52, so that the bottom plate 56 moves upward and compresses the spring 55, and the top sliding plate 57 is in sliding fit with the bottom surface of the supporting plate 4, until the height of the pressing plate 53 and the rubber pressing block 54 is higher than the top surface of the lead-acid storage battery 6, at this time, slide the cylindrical movable rod 52 and the pressing plate 53 forward and backward, the cylindrical movable rod 52 slides in the strip-shaped slide 51, until the pressing plate 53 and the rubber pressing block 54 slide to the appropriate position above the lead-acid storage battery 6, then release the pressing plate 53, under the pushing of the spring 55, the bottom plate 56 moves downward with the cylindrical movable rod 52, so that the rubber pressing block 54 at the bottom of the pressing plate 53 tightly presses on the top surface of the lead-acid storage battery 6, which can effectively compress and limit the lead-acid storage battery 6, and ensure the stability of the subsequent placement of the lead-acid storage battery 6, after the placement of the lead-acid storage battery 6 is completed, close the box door 3, and start the low-temperature box main body 1, so that the lead-acid storage battery 6 is stored in the low-temperature environment in the low-temperature chamber 2 for a certain period of time, then take out the lead-acid storage battery 6 to test the electric quantity, which can complete the low-temperature test of the lead-acid storage battery 6.

[0026] In this embodiment, preferably, the spring 55 is between the top sliding plate 57 and the bottom plate 56.

[0027] In this embodiment, preferably, the top end of the spring 55 abuts against the bottom surface of the top sliding plate 57, and the bottom end of the spring 55 abuts against the top surface of the bottom plate 56.

[0028] In this embodiment, preferably, the surface of the top sliding plate 57 is penetrated through to form a sleeve hole corresponding to the cylindrical movable rod 52, so that the cylindrical movable rod 52 can be smoothly hung on the top sliding plate 57.

[0029] In this embodiment, preferably, the front surface of the low-temperature box main body 1 is further provided with an operation panel relative to the right side of the low-temperature chamber 2. Embodiment 2

[0030] Please refer to Figures 1 to 5For the second embodiment of the utility model, this embodiment is based on the last embodiment, and the difference is that the installation stability of the rubber pressing block 54 can be ensured through the installation structure, and the rubber pressing block 54 is convenient to disassemble, replace and install.

[0031] Specifically, the sliding type pressing structure 5 further comprises an installation structure, which is arranged between the pressing plate 53 and the rubber pressing block 54.

[0032] In the embodiment, preferably, the installation structure comprises a T-shaped clamping head 531 fixed to the bottom surface of the pressing plate 53 and a T-shaped clamping groove 541 formed in the top surface of the rubber pressing block 54, the rubber pressing block 54 is made of fluorine rubber material and still has certain elasticity in a low-temperature environment, the T-shaped clamping head 531 is embedded into the T-shaped clamping groove 541, and the stable installation of the rubber pressing block 54 is realized.

[0033] Although the embodiments of the utility model have been shown and described (see the detailed description above), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A low-temperature testing device for lead-acid batteries, characterized in that: include The low temperature chamber body (1), the low temperature chamber (2) opened inside the low temperature chamber body (1), the door (3) rotatably installed on the front surface of the low temperature chamber body (1) and corresponding to the low temperature chamber (2), and multiple trays (4) fixed inside the low temperature chamber (2), and multiple lead-acid batteries (6) placed on the top of the trays (4). And two sliding clamping structures (5) set on the top of the tray (4), including a strip slide (51) opened on the surface of the tray (4), a cylindrical movable rod (52) that moves through the strip slide (51), a pressure plate (53) installed on the top of the cylindrical movable rod (52), and a rubber pressure block (54) installed on the bottom surface of the pressure plate (53) and pressed against the lead-acid battery (6). The top and bottom ends of the cylindrical movable rod (52) respectively extend to the top and bottom of the tray (4). The bottom end of the cylindrical movable rod (52) is fixed with a base plate (56) relative to the bottom of the tray (4), and a spring (55) is also sleeved on the bottom surface of the cylindrical movable rod (52) above the base plate (56).

2. The low-temperature testing device for lead-acid batteries according to claim 1, characterized in that: The sliding pressing structure (5) also includes a top plate (57) that is movably sleeved on the bottom surface of the cylindrical movable rod (52) and located above the spring (55), and the top surface of the top plate (57) slides in contact with the bottom surface of the support plate (4).

3. A low-temperature testing device for lead-acid batteries according to claim 2, characterized in that: The spring (55) is located between the top plate (57) and the bottom plate (56).

4. A low-temperature testing device for lead-acid batteries according to claim 3, characterized in that: The top end of the spring (55) abuts against the bottom surface of the top plate (57), and the bottom end of the spring (55) abuts against the top surface of the base plate (56).

5. A low-temperature testing device for lead-acid batteries according to claim 2, characterized in that: The surface of the top sliding plate (57) is provided with a sleeve hole corresponding to the cylindrical movable rod (52).

6. A low-temperature testing device for lead-acid batteries according to claim 1, characterized in that: The sliding clamping structure (5) also includes an installation structure, which is disposed between the pressure plate (53) and the rubber pressure block (54).

7. A low-temperature testing device for lead-acid batteries according to claim 6, characterized in that: The installation structure includes a T-shaped clip (531) fixed to the bottom surface of the pressure plate (53) and a T-shaped slot (541) opened on the top surface of the rubber pressure block (54), wherein the T-shaped clip (531) is embedded in the T-shaped slot (541).

8. A low-temperature testing device for lead-acid batteries according to claim 1, characterized in that: An operation panel is also provided on the front surface of the low-temperature chamber body (1) relative to the right side of the low-temperature chamber (2).

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