Overheat protection device for lithium battery test
By setting up a cooling and heat dissipation structure and circulating water pipe in the lithium battery test machine, the problem of insufficient overheating protection in lithium battery test is solved, and the rapid cooling and overheating protection of lithium batteries is achieved, ensuring the safety and efficiency of the test.
Patent Information
- Application Number
- CN202421566125.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-07-04
AI Technical Summary
During lithium battery testing, the battery is prone to overheating. Current processing methods such as power failure will lead to test interruption and data loss, and there is a lack of effective overheating protection measures.
A superheating protection device for lithium battery testing is designed. By setting up a cooling and heat dissipation structure in the test machine, the circulating water pipes are used to take away heat, so as to achieve rapid cooling and overheating protection of lithium batteries.
Effectively prevent lithium batteries from overheating and spontaneously igniting during the test, ensure the continuity of the test and the integrity of the data, and improve the safety and efficiency of the test.
Smart Images
Figure CN222980581U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of lithium battery testing, and particularly relates to an overheat protection device for lithium battery testing. Background Technique
[0002] A lithium battery is a primary battery with a lithium metal or lithium alloy as the negative electrode material and a non-aqueous electrolyte solution. A lithium-ion battery does not contain metallic lithium and can be charged. Currently, lithium batteries have been integrated into people's lives, and the demand for lithium batteries by people is gradually increasing.
[0003] Currently, there are various types of lithium batteries on the market. To obtain the specific usage parameters of each lithium battery, it is necessary to detect its various parameters. Since the test process generally lasts for a long time, the battery is prone to overheating. The existing method for dealing with battery overheating generally uses direct power-off, but power-off will cause the interruption of the previous test and data loss.
[0004] Therefore, we provide an overheat protection device for lithium battery testing to solve the above problems. Content of the Utility Model
[0005] The purpose of the utility model is to provide an overheat protection device for lithium battery testing. By setting a testing machine with efficient cooling and heat dissipation for centralized placement and testing of lithium batteries, the problem of low practicability of the existing overheat prevention treatment method for lithium battery testing devices is solved.
[0006] To solve the above technical problems, the utility model is realized through the following technical solutions:
[0007] The utility model is an overheat protection device for lithium battery testing, including a testing machine for lithium battery testing; the testing machine includes a machine shell, a cabinet door arranged at the edge of the front side of the machine shell, a console fixed to the outer side of the cabinet door, a storage chamber opened in the middle of the machine shell, grille plates located on the upper and lower sides of the storage chamber, lithium battery chambers arranged at the upper and lower parts of the machine shell, a layer plate fixed inside the lithium battery chambers, a battery rack arranged between the layer plates, fixing blocks fixed to the upper and lower sides of the battery rack, a support rod passing through the middle of the fixing blocks, cooling chambers arranged at the upper and lower sides of the machine shell, a circulating water pipe arranged inside the cooling chambers, a cover plate sealing the opening surface of the cooling chambers, and a back plate fixed to the back of the machine shell.
[0008] The utility model is further arranged such that the cooling chamber is communicated with the lithium battery chamber, and the lithium battery chamber is communicated with the storage chamber.
[0009] The utility model is further arranged such that the circulating water pipe is connected to a water tank through a pump body, and the water tank is embedded and installed inside the machine shell.
[0010] The present utility model is further configured such that the end of the support rod is fixed to the inner wall of the lithium battery chamber, and the fixing block is fixed to the support rod via a knob.
[0011] The present utility model is further configured such that the inner side of the laminate is in contact with the end of the battery rack, the fixing blocks fixed to the upper and lower sides of the battery rack pass through the laminate, and the laminate is of a square frame structure.
[0012] The present utility model is further configured such that the battery rack is composed of four L-shaped brackets, and a protective pad is fixed to the inner side of the L-shaped brackets.
[0013] The present utility model is further configured such that an opening is provided at the middle position of the back plate, the opening is matched with the storage chamber, and heat dissipation grooves are evenly formed in the back plate.
[0014] The present utility model has the following beneficial effects:
[0015] The present utility model is provided with a testing machine with a cooling and heat dissipation structure for centralized testing of lithium batteries, which is efficient and convenient, and can prevent dangers such as overheating and spontaneous combustion of lithium batteries during the testing process. The lithium battery is placed and fixed in the battery rack. According to the parameter testing requirements, the lithium battery is connected to the external wiring. During the testing process, the pump body pumps the water inside the water tank into the circulating water pipe. During the circulation of the water flow in the circulating water pipe, the heat in the cooling chamber is carried away. Under the continuous action of the circulating water pipe, the inside of the lithium battery chamber can be quickly cooled to achieve overheat protection for the lithium battery being tested.
[0016] Of course, it is not necessary for any product implementing the present utility model to simultaneously achieve all the above-mentioned advantages. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present utility model, and those of ordinary skill in the art can also obtain other drawings based on these drawings without creative efforts.
[0018] Figure 1 It is a front view of the overall structure of the present utility model.
[0019] Figure 2 It is a rear view of the overall structure of the present utility model.
[0020] Figure 3 It is a schematic diagram of the installation of the circulating water pipe in the present utility model.
[0021] Figure 4 It is a schematic diagram of the installation of the battery rack in the present utility model.
[0022] Figure 5 This is a schematic diagram of the battery rack structure in the present utility model.
[0023] In the attached drawings, the list of components represented by each reference numeral is as follows:
[0024] 1. Cabinet; 2. Cabinet door; 3. Console; 4. Cover plate; 5. Storage chamber; 6. Grille plate; 7. Lithium battery chamber; 8. Shelf; 9. Circulating water pipe; 10. Back panel; 11. Support rod; 12. Fixed block; 13. Battery rack; 14. Protective pad. Detailed implementation manners
[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0026] Embodiment
[0027] Please refer to Figures 1-5 , the present utility model is an overheat protection device for lithium battery testing, including a testing machine for lithium battery testing; the testing machine includes a cabinet 1, a cabinet door 2 provided at the front edge of the cabinet 1, a console 3 fixed to the outer side of the cabinet door 2, a storage chamber 5 opened in the middle of the cabinet 1, grille plates 6 located on the upper and lower sides of the storage chamber 5, lithium battery chambers 7 provided at the upper and lower parts of the cabinet 1, shelves 8 fixed inside the lithium battery chambers 7, a battery rack 13 provided between the shelves 8, fixed blocks 12 fixed to the upper and lower sides of the battery rack 13, support rods 11 passing through the middle of the fixed blocks 12, cooling chambers provided at the upper and lower sides of the cabinet 1, circulating water pipes 9 provided inside the cooling chambers, cover plates 4 covering the opening surfaces of the cooling chambers, and a back panel 10 fixed to the back of the cabinet 1;
[0028] It should be noted that: in the overheat protection device for lithium battery testing involved in this application, a testing machine with a cooling and heat dissipation structure is provided for centralized testing of lithium batteries (including but not limited to charging duration, discharge duration, etc.), which is efficient and convenient, and can prevent dangers such as overheating and spontaneous combustion of lithium batteries during the testing process. The lithium battery is placed and fixed in the battery rack 13. According to the parameter testing requirements, the lithium battery is connected to the external wiring. During the testing process, the pump body pumps the water inside the water tank into the circulating water pipe 9. During the circulation of the water flow in the circulating water pipe 9, the heat in the cooling chamber is taken away. Under the continuous action of the circulating water pipe 9, the inside of the lithium battery chamber 7 can be quickly cooled to achieve overheat protection for the lithium battery being tested.
[0029] Among them, the circulating water pipe 9 is connected to the water tank via a pump body, and the water tank is embedded and installed inside the casing 1; the cooling chamber is communicated with the lithium battery chamber 7, and the lithium battery chamber 7 is communicated with the storage chamber 5;
[0030] It should be noted that: the heat in the lithium battery chamber 7 is conducted into the cooling chamber, the pump body pumps the water inside the water tank into the circulating water pipe 9, and during the circulation of the water flow in the circulating water pipe 9, the heat in the cooling chamber is taken away. Under the continuous action of the circulating water pipe 9, the inside of the lithium battery chamber 7 can be quickly cooled to achieve overheat protection for the lithium battery under test.
[0031] Among them, the end of the support rod 11 is fixed to the inner wall of the lithium battery chamber 7, and the fixing block 12 is fixed to the support rod 11 via a knob; the inner side of the layer plate 8 is attached to the end of the battery rack 13, and the fixing blocks 12 fixed on the upper and lower sides of the battery rack 13 pass through the layer plate 8, and the layer plate 8 is of a square frame structure; the battery rack 13 is composed of four L-shaped brackets, and a protective pad 14 is fixed inside the L-shaped brackets;
[0032] It should be noted that: after the support rod 11 is fixed, it is used for the support and suspension traction of the fixing block 12. After the position adjustment of the fixing block 12 relative to the support rod 11 is completed, tighten the knob to fix the fixing block 12 to the support rod 11. The knob is a conventional fixing structure and will not be specifically described here;
[0033] During the movement of the fixing block 12, the L-shaped bracket fixed to it moves accordingly. The L-shaped bracket is used to adjust the overall fixed size of the battery rack 13 to meet the fixed placement requirements of lithium batteries of different sizes. The protective pad 14 fixed inside the L-shaped bracket is used for the protection of the lithium battery and at the same time increases the frictional damping on the side wall of the lithium battery to prevent the lithium battery from moving easily.
[0034] Among them, an opening is provided at the middle position of the back plate 10, and the opening is matched with the storage chamber 5, and the back plate 10 is evenly provided with heat dissipation slots;
[0035] It should be noted that: the opening provided in the middle of the back plate 10 is matched with the storage chamber 5, so that the storage chamber 5 is communicated front and back, which is convenient for the taking and placing of the temporarily placed lithium battery. The heat dissipation slots provided on the back plate 10 are used for the normal heat dissipation of the tail of the lithium battery and the heat dissipation of the internal components of the casing 1. On the premise of not preventing the normal heat dissipation of the test machine and the lithium battery, the back plate 10 blocks the back of the casing 1 to prevent the lithium battery from falling and to protect the internal components of the casing 1 from being blocked.
[0036] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
[0037] The preferred embodiments of the present utility model disclosed above are only used to help explain the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification in order to better explain the principles and practical applications of the present utility model, so that those skilled in the art can well understand and utilize the present utility model. The present utility model is only limited by the claims and their full scope and equivalents.
Claims
1. A thermal protection device for lithium battery testing, comprising a testing machine for lithium battery testing; characterized in that: The testing machine comprises a casing (1), a cabinet door (2) arranged at the front edge of the casing (1), a control console (3) fixed to the outer side of the cabinet door (2), a storage chamber (5) opened in the middle of the casing (1), a grille plate (6) located at the upper and lower sides of the storage chamber (5), a lithium battery chamber (7) arranged at the upper and lower parts of the casing (1), a layer plate (8) fixed inside the lithium battery chamber (7), a battery rack (13) arranged between the layer plates (8), a fixing block (12) fixed to the upper and lower sides of the battery rack (13), a support rod (11) passing through the middle of the fixing block (12), a cooling chamber arranged at the upper and lower sides of the casing (1), a circulating water pipe (9) arranged inside the cooling chamber, a cover plate (4) covering the opening surface of the cooling chamber, and a back plate (10) fixed to the back of the casing (1).
2. The overheat protection device for lithium battery testing according to claim 1, characterized in that: The cooling chamber is in communication with the lithium battery chamber (7), and the lithium battery chamber (7) is in communication with the storage chamber.
3. The overheat protection device for lithium battery testing according to claim 1, characterized in that: The circulating water pipe (9) is connected to a water tank via a pump body, and the water tank is embedded and installed inside the casing (1).
4. The overheat protection device for lithium battery testing according to claim 1, characterized in that: The end of the support rod (11) is fixed to the inner wall of the lithium battery chamber (7), and the fixing block (12) is fixed to the support rod (11) via a knob.
5. The overheat protection device for lithium battery testing according to claim 1, characterized in that: The inner side of the layer plate (8) is fitted with the end of the battery rack (13), the fixing blocks (12) fixed on the upper and lower sides of the battery rack (13) pass through the layer plate (8), and the layer plate (8) is a square frame structure.
6. The overheat protection device for lithium battery testing according to claim 1, characterized in that: The battery rack (13) is composed of four L-shaped brackets, and a protective pad (14) is fixed on the inner side of the L-shaped bracket.
7. The overheat protection device for lithium battery testing according to claim 1, characterized in that: An opening is provided in the middle of the back plate (10), the opening matches the storage chamber (5), and the back plate (10) is evenly provided with heat dissipation grooves.