Energy storage lithium battery assembly

By introducing a temperature control component into the energy storage lithium battery assembly and using a water circulation system to regulate the cell temperature, the problem of the support frame lacking heat dissipation and heating is solved, thereby improving the battery's working efficiency and lifespan under different temperature environments.

CN223884469UActive Publication Date: 2026-02-06LAIKE ELECTRONIC TECHNOLOGY (DONGGUAN) CO LTD
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Patent Information

Application Number
CN202423248384.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2026-02-06
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

The existing support frame for energy storage lithium battery modules has limited functionality and lacks the ability to dissipate heat and heat the battery cells, resulting in reduced charging and discharging efficiency of the cells in low-temperature environments.

Method used

A support frame with built-in temperature control component was designed. Multiple boxes were set inside the support frame, and water inlet and outlet pipes were set inside the boxes to form a serpentine water flow channel. Combined with a water circulation system, the heat dissipation or heating of the battery cell was realized, and the temperature of the battery cell was regulated by circulating hot and cold water.

Benefits of technology

It achieves effective temperature control of the battery cell under different temperature environments, improves the energy conversion efficiency and lifespan of the battery, and is suitable for stable operation in high or low temperature environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of energy storage batteries, and discloses an energy storage lithium battery assembly which comprises a battery cell and a supporting frame, a supporting plate used for placing the battery cell is fixedly connected to the inner side of the supporting frame, a partition plate is fixedly connected to the top of the supporting plate, and temperature control assemblies used for controlling the temperature of the battery cell are symmetrically arranged on the two sides of the partition plate; the temperature control assembly comprises a plurality of box bodies arranged at equal intervals, a water inlet pipe and a water outlet pipe are arranged on the two sides of the bottom of each box body respectively, a plurality of flow guide plates are installed on the inner top and the inner bottom of each box body in a staggered mode, a battery cell storage groove is formed between every two box bodies, a baffle is movably arranged in each storage groove, and a telescopic rod is installed between each baffle and a partition plate; a spring sleeves the outer side of the telescopic rod, a door plate matched with the storage groove is hinged to the front end of the supporting plate, and a positioning mechanism is arranged between the front end of the box body and the door plate; the battery cell is located between the two box bodies, the water conveying pipe and the water return pipe are connected into a water circulation system, heat dissipation or temperature rise of the battery cell can be achieved by adjusting the temperature of circulating water, and practicability is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage battery technical field especially relates to a kind of energy storage lithium battery components. BACKGROUND

[0002] Lithium battery energy storage system is a kind of energy storage system using lithium battery as energy storage medium, for storing electric energy for subsequent use.Lithium battery energy storage system has high energy density, long life, high efficiency, fast response and environmental protection and other advantages, so it has wide application prospect in the field of renewable energy integration, power grid frequency modulation, industrial and commercial energy storage.

[0003] The existing energy storage lithium battery component is multiple lithium ion monomer battery cells and support frame, multiple battery cells are connected by parallel and series connection, and the support frame provides stable support and fixation for the battery cells to prevent displacement, shaking or collision of the battery cells during use.

[0004] Since the battery cell generates heat during operation, and the charge and discharge efficiency of the battery cell decreases in low temperature environment, and the performance decays, the existing support frame has single performance and does not have the functions of heat dissipation and heating for the battery cell, so it is necessary to separately provide heat dissipation equipment and heating equipment, which needs to be improved. UTILITY MODEL CONTENTS

[0005] (I) Technical problem to be solved

[0006] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides an energy storage lithium battery component, which solves the problem of single performance of the support frame in the existing energy storage lithium battery component and the lack of function of heat dissipation and heating for the battery cell.

[0007] (II) Technical scheme

[0008] In order to achieve the above-mentioned purpose, the utility model adopts the main technical scheme including:

[0009] An energy storage lithium battery component includes a plurality of battery cells and a support frame, the inner side of the support frame is fixedly connected with a plurality of support plates for placing battery cells, the top of the support plate is fixedly connected with a partition plate, and temperature control components for controlling the temperature of the battery cell are symmetrically arranged on both sides of the partition plate; the temperature control component includes a plurality of box bodies arranged at equal intervals, the bottom of the box body is provided with a water inlet pipe and a water outlet pipe on both sides respectively, a plurality of guide plates are alternately installed in the top and bottom of the box body, a storage groove for the battery cell is formed between the two box bodies, a baffle is movably arranged in the storage groove, a telescopic rod is installed between the baffle and the partition plate, a spring is sleeved outside the telescopic rod, a door plate matched with the storage groove is hingedly connected to the front end of the support plate, and a positioning mechanism is arranged between the front end of the box body and the door plate.

[0010] Optionally, a storage basket for placing fire-fighting equipment is arranged on one side of the support frame.

[0011] Optionally, the plurality of guide plates form a serpentine water flow channel inside the box body, and the water inlet pipe and the water outlet pipe are respectively located at the head and tail of the water flow channel.

[0012] Optionally, a groove is arranged at the bottom of the support plate, and the bottom of the water inlet pipe and the water outlet pipe extends to the inside of the groove.

[0013] Optionally, a water supply pipe and a water return pipe are arranged on both sides of the partition plate inside the groove, the water inlet pipe is connected to the water supply pipe, and the water outlet pipe is connected to the water return pipe.

[0014] Optionally, the water supply pipe and the water return pipe are both T-shaped pipes.

[0015] Optionally, a handle is arranged at the front end of the door plate, and a stop block is fixedly connected to the rear end of the door plate.

[0016] Optionally, the positioning mechanism comprises a positioning rod arranged on the door plate and a positioning block arranged on the box body, positioning grooves matched with the positioning rod are arranged on both sides of the positioning block, a through hole penetrating the positioning grooves is arranged at the front end of the positioning block, and a positioning pin is inserted into the through hole.

[0017] Optionally, a storage groove for placing the positioning pin is arranged at the top of the positioning block.

[0018] (Three) beneficial effects

[0019] The utility model discloses the beneficial effects are: the utility model discloses the electric core between two box bodies, and the bottom of the box body is equipped with water inlet pipe and water outlet pipe respectively, and water supply pipe and water return pipe are connected into water circulation system, and the temperature of circulating water is adjusted, and the heat dissipation or heating of electric core can be realized, is more practical, and the problem that the support frame performance of the existing energy storage lithium battery assembly is single, and the electric core is not provided with the function of heat dissipation and heating is solved. DRAWINGS

[0020] Figure 1 is the perspective view of the utility model;

[0021] Figure 2 is the structure of the temperature control assembly of the utility model Figure 1 ;

[0022] Figure 3 is the structure of the temperature control assembly of the utility model Figure 2 ;

[0023] Figure 4 is the internal structure diagram of the storage groove of the utility model;

[0024] Figure 5is a sectional view of the box body of the utility model;

[0025] [Explanation of reference signs]

[0026] 1, electric core; 2, support frame; 3, support plate; 4, partition; 5, box body; 6, water inlet pipe; 7, water outlet pipe; 8, flow guide plate; 9, baffle; 10, telescopic rod; 11, spring; 12, door plate; 13, storage basket; 14, water delivery pipe; 15, water return pipe; 16, stop block; 17, positioning rod; 18, positioning block; 19, positioning pin. DETAILED DESCRIPTION

[0027] In order to better explain the utility model, so as to facilitate understanding, the following will be combined with the drawings, through specific embodiments, the utility model is described in detail. In this paper, the "upper", "lower" and other orientation mentioned in this paper with Figure 1 The orientation as a reference, with Figure 1 The upper side is "upper", with Figure 1 The lower side is "lower".

[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely, obviously, the described embodiments are only a 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 ordinary skill in the art without creative labor are within the scope of the utility model.

[0029] As shown in Figure 1 A kind of energy storage lithium battery assembly, including several electric cores 1 and support frame 2, support frame 2 inner side is fixedly connected with multiple support plates 3 for placing electric core 1, and one side of outside is equipped with the storage basket 13 for placing fire-fighting equipment.

[0030] As shown in Figure 2 、 Figure 3 And Figure 5 Support plate 3 top is fixedly connected with partition 4, and temperature control assembly for temperature control of electric core 1 is symmetrically arranged on the both sides of partition 4, the temperature control assembly includes multiple box bodies 5 arranged at equal intervals, the bottom of box body 5 is respectively provided with water inlet pipe 6 and water outlet pipe 7, recess is formed in the bottom of support plate 3, the bottom of water inlet pipe 6 and water outlet pipe 7 extends to the inner side of recess, multiple flow guide plates 8 are staggered mounted in the inner top and inner bottom of box body 5, multiple flow guide plates 8 form serpentine water flow channel inside box body 5, water inlet pipe 6 and water outlet pipe 7 are located at the head and tail of water flow channel respectively, storage groove of electric core 1 is formed between two box bodies 5, T-shaped water delivery pipe 14 and water return pipe 15 are mounted on the both sides of partition 4 inside recess, water inlet pipe 6 is connected to water delivery pipe 14, and water outlet pipe 7 is connected to water return pipe 15.

[0031] The electric core 1 is placed in the storage groove, and the two sides of the electric core 1 are attached to the side walls of the two box bodies 5, and the two side walls of the box body 5 are made of copper or aluminum materials with high heat transfer efficiency; the water inlet pipe 14 and the water return pipe 15 are connected to the water circulation system, and when the water circulation system circulates cold water, the electric core 1 can be cooled; when the temperature is low, the water circulation system circulates hot water, and the electric core 1 can be heated. By adjusting the temperature of the circulating water, the heat dissipation or heating of the electric core 1 can be realized.

[0032] The energy storage lithium battery assembly of the present application is usually applied in scenes with high requirements for temperature control, such as large-scale power grid energy storage stations, and the water circulation system can help the lithium battery assembly to maintain the best working temperature in high-temperature or low-temperature environments, improve the energy conversion efficiency and battery life; such as renewable energy power generation supporting energy storage systems, which are used with solar photovoltaic or wind power systems, and the water circulation system can keep the lithium battery assembly within the best working temperature range in areas with large changes in ambient temperature.

[0033] As shown in Figure 4 The inside of the storage groove is movably provided with a baffle 9, a telescopic rod 10 is installed between the baffle 9 and the partition plate 4, a spring 11 is sleeved outside the telescopic rod 10, a door plate 12 matched with the storage groove is hinged to the front end of the supporting plate 3, a handle is installed at the front end of the door plate 12, a stop block 16 is fixedly connected to the rear end of the door plate 12, and a positioning mechanism is arranged between the front end of the box body 5 and the door plate 12.

[0034] The design of the stop block 16 and the baffle 9 makes the two ends of the electric core 1 not in contact with the door plate 12 and the partition plate 4, thereby improving the contact area of the electric core 1 with air; the cooperation of the telescopic rod 10 and the spring 11 enables the stop block 16 and the baffle 9 to clamp and fix the electric core 1 when the door plate 12 is closed, and the baffle 9 can push the electric core 1 outward under the action of the spring 11 when the door plate 12 is opened, thereby facilitating the disassembly of the electric core 1.

[0035] As shown in Figure 2 The positioning mechanism includes a positioning rod 17 installed on the door plate 12 and a positioning block 18 installed on the box body 5, positioning grooves matched with the positioning rod 17 are formed on both sides of the positioning block 18, a through hole penetrating the positioning grooves is formed at the front end of the positioning block 18, a positioning pin 19 is inserted into the through hole, and a storage groove for placing the positioning pin 19 is formed in the middle of the top of the positioning block 18.

[0036] When the door plate 12 is closed, the positioning rod 17 is located in the positioning groove, the positioning pin 19 is inserted into the through hole at this time, and the positioning rod 17 is blocked in the positioning groove by the positioning pin 19, thereby achieving the fixation of the door plate 12.

[0037] In specific use, the electric core 1 is placed in the storage groove, and the door plate 12 is closed, so that the stopper 16 and the door plate 9 can clamp and fix the electric core 1. A temperature sensor for monitoring the temperature of the electric core 1 can be installed in the storage groove, and the water inlet pipe 14 and the water return pipe 15 are connected to a water circulation system; when the electric core 1 is cooled, the water circulation system circulates cold water; when the electric core 1 is heated, the water circulation system circulates hot water. By adjusting the temperature of the circulating water, the heat dissipation or heating of the electric core 1 can be realized.

[0038] In the description of the present application, it should be understood that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0039] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0040] In the present application, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature is "above", "above" and "above" the second feature, which can be directly above or obliquely above the first feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature is "below", "below" and "below" the second feature, which can be directly below or obliquely below the first feature, or only indicates that the horizontal height of the first feature is lower than that of the second feature.

[0041] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" and the like means 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 application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0042] Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and the person skilled in the art can modify, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A power storage lithium battery assembly, comprising a plurality of battery cells (1) and a support frame (2), a plurality of support plates (3) for placing the battery cells (1) are fixed inside the support frame (2), characterized in that: The support plate (3) top is fixed with a partition plate (4), and symmetrical temperature control assemblies for controlling temperature of the battery cell (1) are arranged on both sides of the partition plate (4); The temperature control assembly comprises a plurality of box bodies (5) arranged at equal intervals, water inlet pipes (6) and water outlet pipes (7) are arranged on both sides of the bottom of the box body (5), respectively, a plurality of flow guide plates (8) are arranged alternately on the top and the bottom of the box body (5), a storage groove for placing the battery cell (1) is formed between the two box bodies (5), a baffle (9) is movably arranged in the storage groove, a telescopic rod (10) is arranged between the baffle (9) and the partition plate (4), a spring (11) is arranged outside the telescopic rod (10), a door plate (12) matched with the storage groove is hingedly arranged at the front end of the support plate (3), and a positioning mechanism is arranged between the front end of the box body (5) and the door plate (12).

2. The energy storage lithium battery assembly of claim 1, wherein: The support frame (2) is provided with a storage basket (13) for placing fire-fighting equipment on one side of the outer side.

3. The energy storage lithium battery assembly of claim 1, wherein: The plurality of flow guide plates (8) form a serpentine water flow channel in the box body (5), and the water inlet pipe (6) and the water outlet pipe (7) are respectively located at the head and the tail of the water flow channel.

4. The energy storage lithium battery assembly of claim 1, wherein: The support plate (3) is provided with a groove at the bottom, and the bottom of the water inlet pipe (6) and the water outlet pipe (7) extends to the inside of the groove.

5. The energy storage lithium battery assembly of claim 4, wherein: The inside of the groove is provided with a water supply pipe (14) and a return water pipe (15) on both sides of the partition plate (4), the water inlet pipe (6) is connected to the water supply pipe (14), and the water outlet pipe (7) is connected to the return water pipe (15).

6. The energy storage lithium battery assembly of claim 5, wherein: The water supply pipe (14) and the return water pipe (15) are both T-shaped pipes.

7. The energy storage lithium battery assembly of claim 1, wherein: A handle is arranged at the front end of the door plate (12), and a stop block (16) is fixedly arranged at the rear end.

8. The energy storage lithium battery assembly of claim 1, wherein: The positioning mechanism comprises a positioning rod (17) arranged on the door plate (12) and a positioning block (18) arranged on the box body (5), positioning grooves matched with the positioning rod (17) are arranged on both sides of the positioning block (18), a through hole penetrating the positioning groove is arranged at the front end of the positioning block (18), and a positioning pin (19) is inserted into the through hole.

9. The energy storage lithium battery assembly of claim 8, wherein: A storage groove for placing the positioning pin (19) is arranged at the top of the positioning block (18).