Lithium battery test incubator
By employing a vertically oriented inlet/outlet heating structure and vertically arranged shelves in the lithium battery testing chamber, combined with a locking mechanism, the problem of uneven temperature inside the chamber was solved, achieving uniform heating of the lithium battery and accurate test results.
Patent Information
- Application Number
- CN202520095832.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2026-03-03
- Estimated Expiration
- 2035-01-16
AI Technical Summary
In existing lithium battery testing chambers, the air intake and exhaust design leads to uneven temperature distribution inside the chamber, affecting the accuracy of the test results.
The heating structure with vertical entry and exit and the shelf arranged in the vertical direction, combined with the locking design, ensure that the lithium battery is stably fixed on the side of the shelf and achieves uniform heating.
It improves the accuracy and efficiency of test results, enhances the adaptability and flexibility of the chamber, prevents lithium batteries from moving or tilting during testing, and reduces the impact of uneven heat distribution on the test.
Smart Images
Figure CN223966611U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of battery testing technology, specifically to a lithium battery testing chamber. Background Technology
[0002] In the lithium battery production process, an environmental testing process is required using a temperature chamber to test the manufactured lithium batteries. Specifically, the lithium battery to be tested is placed in the temperature chamber, and the internal temperature is adjusted to create the necessary testing environment. The lithium battery is kept inside for a period of time, and then removed to check if it functions normally. If it functions normally, the lithium battery is considered a qualified product; otherwise, it is considered a defective product. Different types of batteries will have different testing temperatures and a specific number of tests set according to the actual usage environment.
[0003] The aforementioned temperature chamber typically includes a main chamber body and multiple horizontally arranged shelves fixed inside the main chamber body. During testing, the lithium battery is placed horizontally on these shelves. Existing temperature chambers employ a left-right air intake and exhaust design, meaning that air at a set temperature is continuously introduced into the left side of the main chamber body, creating an air environment that surrounds the lithium battery under test. The right side of the main chamber body then exhausts the air. In this operating mode, because the air enters and exits horizontally, during prolonged testing of the lithium battery, the difference in air density between hot and cold air can cause heat stratification within the main chamber body. This uneven temperature distribution within the main chamber body can significantly interfere with the test results, leading to inaccurate results.
[0004] To address these issues, engineers have proposed a new lithium battery testing chamber. Utility Model Content
[0005] The purpose of this invention is to solve the problems in the prior art by proposing a lithium battery testing chamber. This chamber, by setting a vertically oriented heating structure, can avoid uneven temperature distribution inside the chamber during the testing process. In addition, a corresponding placement area is set on the placement plate, which can stably place the lithium battery to be tested on the placement plate for heating, ensuring uniform heating and accurate test results.
[0006] To solve the above problems, this utility model provides the following technical solution:
[0007] A lithium battery testing chamber includes a main body with gas inlets and outlets at the top and bottom to form a vertically oriented heating structure. Inside the main body is a shelf arranged vertically, and a locking mechanism is provided on the side of the shelf. A lithium battery is placed on the side of the shelf using the locking mechanism. The locking mechanism includes multiple limiting posts located on the side of the shelf, arranged in a non-linear layout to form an upward-facing storage area for inserting the lithium battery.
[0008] The heating structure is formed by the gas inlet and outlet at the top and bottom of the main body of the chamber, which is a vertical inlet and outlet type. The interior is equipped with a shelf and locking device arranged in the vertical direction, so that the lithium battery can be stably placed on the side of the shelf, and the lithium battery can be heated evenly for testing.
[0009] As a further embodiment of this utility model: the limiting posts are set as three posts arranged in a triangular pattern, and the position of the limiting posts on the side of the shelf is adjustable so that the size of the shelf area is adjustable.
[0010] By making the position of the limiting post adjustable, the size of the storage area can be adjusted according to lithium batteries of different sizes, improving the adaptability and flexibility of the temperature chamber.
[0011] As a further embodiment of this utility model, the lock also includes a telescopic stop bar, the two ends of which can be respectively engaged on the ends of two limiting posts.
[0012] The addition of a telescopic stop bar to the lock further enhances the stability of the lithium battery in the storage area, preventing it from moving or tilting during testing.
[0013] As a further embodiment of this utility model: the side of the shelf is provided with a plurality of protrusions, and several of the protrusions are located in the shelf area. When the lithium battery is located on the shelf area, the lithium battery and the several protrusions in the shelf area are in point contact.
[0014] The side of the shelf has multiple protrusions, which make point contact between the lithium battery and the shelf area, which is conducive to the rapid transfer of heat and at the same time prevents the lithium battery from being damaged due to prolonged contact.
[0015] As a further embodiment of this utility model: a through hole is provided on the shelf between any two adjacent protrusions.
[0016] Making through holes in the shelf not only facilitates heat transfer but also makes it easier to install the limit posts, making the whole design more compact and reasonable.
[0017] As a further embodiment of this utility model, one end of the limiting post can be detachably installed on the through hole to realize the setting and installation of the limiting post on the side of the shelf.
[0018] By designing the limiting post to be detachably installed on the through hole, the limiting post can be flexibly installed on the side of the shelf, which is convenient for maintenance and replacement.
[0019] As a further embodiment of this utility model: a turntable is rotatably provided on the main body of the incubator, and the end of the placement plate is detachably mounted on the turntable.
[0020] A turntable is installed on the main body of the incubator, and a detachable plate is installed on the turntable, which allows the lithium battery to be easily rotated and moved, making it convenient for operators to test and maintain.
[0021] As a further embodiment of this utility model: the shelf is provided as multiple pieces and evenly distributed inside the main body of the incubator.
[0022] By setting multiple placement plates and distributing them evenly inside the main body of the chamber, multiple lithium batteries can be tested simultaneously, greatly improving testing efficiency.
[0023] As a further embodiment of this utility model: the gas inlet / outlet section located at the top of the incubator body includes an air inlet hole located at the top of the incubator body, and the gas inlet / outlet section located at the bottom of the incubator body includes an air outlet hole located at the bottom of the incubator body.
[0024] The gas inlet and outlet at the top of the incubator are set as the air inlet, and the bottom is set as the air outlet, realizing a heating method of air intake from the top and air exhaust from the bottom.
[0025] As a further embodiment of this utility model: the gas inlet / outlet located at the top of the incubator body includes an outlet hole located at the top of the incubator body, and the gas inlet / outlet located at the bottom of the incubator body includes an inlet hole located at the bottom of the incubator body.
[0026] Another design for the gas inlet and outlet is to set the gas inlet and outlet at the top of the chamber as the outlet and the bottom as the inlet, which realizes the heating method of air intake from the bottom and air exhaust from the top, providing different test environment options.
[0027] Compared with the prior art, the present invention has the following beneficial effects:
[0028] 1. By setting up a heating structure with gas inlets and outlets at the top and bottom, vertical heating is achieved, which improves thermal efficiency. At the same time, the internal shelf is arranged vertically and, together with the locking mechanism, can stably fix the lithium battery, ensuring uniform heating and improving testing efficiency and accuracy.
[0029] 2. The position of the limiting post is adjustable, which allows the size of the storage area to be adjusted according to lithium batteries of different sizes, increasing the applicability and flexibility of the temperature chamber;
[0030] 3. By adding a telescopic baffle design, the stability of the lithium battery in the storage area is further enhanced, preventing it from moving or tilting during the test, thus improving the safety and accuracy of the test;
[0031] 4. The presence of the protrusions creates point contact between the lithium battery and the storage area, reducing the contact area and facilitating rapid heat transfer. This also prevents the lithium battery from being damaged due to prolonged contact.
[0032] 5. The through holes on the shelf not only facilitate heat transfer but also make it easier to install the limit posts, making the whole design more compact and reasonable.
[0033] 6. By setting a turntable on the main body of the incubator and detachably installing the storage board on the turntable, this design can change the opening direction of the storage area, making it convenient for staff to insert and install lithium batteries, thus improving work efficiency.
[0034] 7. By setting multiple placement plates and distributing them evenly inside the main body of the chamber, the chamber can test multiple lithium batteries simultaneously, greatly improving testing efficiency and production capacity. Attached Figure Description
[0035] The present invention will be further described below with reference to the accompanying drawings.
[0036] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;
[0037] Figure 2 This is a three-dimensional structural diagram of the multiple storage panels in this utility model;
[0038] Figure 3 This is a schematic diagram of the three-dimensional structure of a single shelf in this utility model.
[0039] In the diagram: 1. Incubator body; 101. Gas inlet / outlet; 2. Shelf; 3. Limiting post; 4. Telescopic baffle; 5. Protrusion; 6. Through hole; 7. Turntable; a. Lithium battery. Detailed Implementation
[0040] 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 skilled in the art without creative effort are within the protection scope of the present utility model.
[0041] Example 1:
[0042] like Figure 1As shown, a lithium battery testing chamber includes a chamber body 1. Gas inlet / outlet sections 101 are provided at both the top and bottom of the chamber body 1. The gas inlet / outlet section 101 at the top of the chamber body 1 includes an outlet, and the gas inlet / outlet section 101 at the bottom of the chamber body 1 includes an inlet. This layout creates a vertically oriented heating structure for the two gas inlet / outlet sections 101. When a lithium battery a is placed inside the chamber body 1, a certain amount of heated gas can be continuously introduced into the chamber body 1 through the inlet and continuously discharged through the outlet, ensuring that the lithium battery a is always maintained at the required test temperature. Compared to the horizontal inlet / outlet design in the prior art, this design allows the lithium battery a to be heated evenly, and the gas moves vertically without stratification, resulting in more accurate measurement results.
[0043] It should be noted that the amount of air entering or exiting per unit time through the air inlet and outlet is regulated by a temperature control system, which only needs to ensure that the temperature inside the main body 1 of the temperature chamber is maintained at the temperature to be tested. This regulation method is a conventional technique in the prior art, and will not be elaborated upon here to avoid unnecessary detail. Of course, the configuration of the gas inlet and outlet components inside the main body 1 is not limited to the aforementioned air inlet and outlet configuration, and can also be a common design found in existing temperature chambers.
[0044] Based on the above design, in order to make the lithium battery a heat more evenly heated, a shelf 2 can be provided inside the main body 1 of the temperature chamber. The shelf 2 is arranged vertically, and a locking device is provided on the side of the shelf 2. The lithium battery a is placed on the side of the shelf 2 by the locking device. Specifically, the locking device includes three limiting posts 3 located on the side of the shelf 2. The three limiting posts 3 are arranged in a triangular pattern to form a storage area. In use, the lithium battery a can be inserted into the storage area between any two adjacent limiting posts 3 to fix the lithium battery a on the shelf 2. During subsequent testing, the bottom, top, and three sides of the lithium battery a can all come into contact with the gas inside the main body 1 for heat exchange.
[0045] Meanwhile, in order to allow the other side of the lithium battery a to also come into contact with the gas inside the incubator body 1 for heat exchange, multiple protrusions 5 can be provided on the side of the shelf 2, and several protrusions 5 are located within the shelf area. The protrusions 5 are preferably semi-elliptical in shape. When the lithium battery a is placed on the shelf area, the lithium battery a makes point contact with the several protrusions 5 within the shelf area. This form can be achieved by... Figure 3 To represent, Figure 3 In the middle, the right side of lithium battery a makes point contact with several protrusions 5, and there is a gap between the right side of lithium battery a and several protrusions 5, so that the gas inside the temperature chamber body 1 can contact and exchange heat with the side of lithium battery a.
[0046] Furthermore, to allow the lock to adapt to different types of placement, the position of the limiting post 3 on the side of the shelf 2 can be adjusted, thereby making the size of the storage area adjustable. This adjustable storage area size allows the position of the limiting post 3 on the side of the shelf 2 to be changed, specifically through sliding, multi-hole optional insertion, etc.
[0047] In addition to the adjustable size of the storage area, to ensure the stability of the lithium battery a when placed on the storage area, a locking device can be provided, including a telescopic stop bar 4. The two ends of the telescopic stop bar 4 can be respectively locked onto the ends of the two limiting posts 3. The presence of the telescopic stop bar 4 can block the lithium battery a in the storage area and ensure its positional stability. At the same time, the length of the telescopic stop bar 4 can be adjusted according to the size of the storage area formed by the three limiting posts 3, so that it can adapt to storage areas of different sizes.
[0048] like Figure 2 As shown, in order to test as many lithium batteries a as possible in a single run, this application can set up multiple storage plates 2 and distribute them evenly inside the temperature chamber body 1. Furthermore, to prevent the multiple storage plates 2 from dividing the interior of the temperature chamber body 1, multiple through holes 6 can be formed on the storage plates 2, so that the interior of the temperature chamber body 1 is in a through-hole state. It should be noted that the through holes 6 are located between any two adjacent protrusions 5. This design allows the through holes 6 to serve as mounting holes for the limiting posts 3. During installation, one end of the limiting post 3 is threaded onto the through hole 6, which has internal threads on its inner wall.
[0049] To facilitate the placement of lithium batteries a in the storage area, a turntable 7 can be rotatably installed on the main body 1 of the incubator. The turntable 7 can be driven by a motor or manually. The end of the storage plate 2 can be detachably mounted on the turntable 7, allowing the storage plate 2 to be installed inside the incubator 1. Before placing the lithium battery a in the storage area, the operator can rotate the turntable 7 at a certain angle and hold it there, so that the opening of the storage area faces an inclined position for easy placement. Simultaneously, during testing, the position of the storage plate 2 with the lithium battery a can be changed to an inclined position. This arrangement alters the distance between adjacent storage plates 2, thereby increasing the amount of gas entering the space and saving energy.
[0050] Example 2:
[0051] The difference between this embodiment and Embodiment 1 is that the gas inlet / outlet 101 in this embodiment is designed differently. In this embodiment, the gas inlet / outlet 101 located at the top of the incubator body 1 includes an air inlet hole located at the top of the incubator body 1, and the gas inlet / outlet 101 located at the bottom of the incubator body 1 includes an air outlet hole located at the bottom of the incubator body 1.
[0052] The above description details one embodiment of the present utility model, but it is merely a preferred embodiment and should not be construed as limiting the scope of the present utility model. All equivalent variations and improvements made within the scope of the present utility model application should still fall within the patent coverage of the present utility model.
Claims
1. A lithium battery testing chamber, characterized in that, The device includes a main body (1) of a temperature chamber, and gas inlet and outlet (101) are provided at the top and bottom of the main body (1) to form a vertically inlet and outlet heating structure. A shelf (2) is provided inside the main body (1), and the shelf (2) is arranged in the vertical direction. A locking device is provided on the side of the shelf (2), and the lithium battery (a) is placed on the side of the shelf (2) by means of the locking device. The locking device includes multiple limiting posts (3) provided on the side of the shelf (2), and the multiple limiting posts (3) are arranged in a non-linear layout to form a shelf area with the opening facing upward for the lithium battery (a) to be inserted.
2. The lithium battery testing chamber according to claim 1, characterized in that, The limiting posts (3) are set in a triangular layout. The position of the limiting posts (3) on the side of the shelf (2) is adjustable so that the size of the shelf area can be adjusted.
3. A lithium battery testing chamber according to claim 1 or 2, characterized in that, The lock also includes a telescopic stop bar (4), the two ends of which can be respectively locked onto the ends of two limit posts (3).
4. A lithium battery testing chamber according to claim 3, characterized in that, The side of the shelf (2) is provided with a plurality of protrusions (5), and several protrusions (5) are located in the shelf area. When the lithium battery (a) is located in the shelf area, the lithium battery (a) is in point contact with several protrusions (5) in the shelf area.
5. A lithium battery testing chamber according to claim 4, characterized in that, The shelf (2) has a through hole (6) between any two adjacent protrusions (5).
6. A lithium battery testing chamber according to claim 5, characterized in that, One end of the limiting post (3) can be detachably installed on the through hole (6) to realize the setting and installation of the limiting post (3) on the side of the shelf (2).
7. A lithium battery testing chamber according to claim 1 or 2, characterized in that, The main body (1) of the incubator is provided with a turntable (7) that rotates around, and the end of the placement plate (2) is detachably installed on the turntable (7).
8. A lithium battery testing chamber according to claim 7, characterized in that, The storage board (2) is configured as multiple pieces and evenly distributed inside the main body (1) of the incubator.
9. A lithium battery testing chamber according to claim 1 or 2, characterized in that, The gas inlet / outlet (101) located at the top of the incubator body (1) includes an air inlet hole provided at the top of the incubator body (1), and the gas inlet / outlet (101) located at the bottom of the incubator body (1) includes an air outlet hole provided at the bottom of the incubator body (1).
10. A lithium battery testing chamber according to claim 1 or 2, characterized in that, The gas inlet / outlet (101) located at the top of the incubator body (1) includes an outlet hole at the top of the incubator body (1), and the gas inlet / outlet (101) located at the bottom of the incubator body (1) includes an inlet hole at the bottom of the incubator body (1).