New energy battery constant temperature and constant pressure storage box

CN224862336UActive Publication Date: 2026-10-16BEIJING AUTOMOBILE WORKS CO LTD
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Patent Information

Application Number
CN202522267310.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-27
Publication Date
2026-10-16
Estimated Expiration
2035-10-27

AI Technical Summary

Technical Problem

然而,在锂电池的生产存储过程中,随着时间的推移,锂电池单体内部容易出现一定的异常,进而发生膨胀现象

Benefits of technology

1、本实用新型在箱体内部安装多个分隔框,并在分隔框内放置气囊,将电池放置在气囊的内部,每个都独立分开。并且在每个在气囊内部安装有微型压力传感器可以实时的检测电池的压力,并且微型压力传感器通过处理器连接警报器,一旦压力超过预设数值后,警报器会发出警报,蜂鸣器也会同步报警。

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a new energy battery constant temperature constant voltage storage box belongs to new energy battery field. It mainly includes the box body, and a plurality of partition frames are fixedly connected in the box body, and the periphery and the bottom of every partition frame are fixedly connected with air bag, and the air bag is connected by a plurality of independent small air bags, and every partition frame is installed with an alarm, and the opening side of box body is rotatably connected with the cover, and the cover is fixedly connected with air bag towards the inside of box body, and one end of the outside of box body is fixedly connected with the treater, and the treater is integrated inside the buzzer. Install the micro pressure sensor in every small air bag in the air bag, and the micro pressure sensor is electrically connected with the treater through the wire, and the treater is electrically connected with the alarm through the wire. The utility model discloses every battery package is placed separately, and the pressure of every battery package is monitored in real time, prevents the danger from appearing, and the battery is more stable through the air bag wrapping, and will not appear the shake.
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Description

Technical Field

[0001] This utility model belongs to the field of new energy batteries, and more specifically, it relates to a constant temperature and pressure storage box for new energy batteries. Background Technology

[0002] New energy vehicles, as a new generation of transportation that uses unconventional vehicle fuels as a power source (or uses conventional vehicle fuels and adopts new on-board power devices) and integrates advanced technologies in vehicle power control and drive, are gradually becoming the mainstream direction of the automotive industry.

[0003] In the power supply system of new energy vehicles, since individual lithium battery cells cannot meet the power demands of electric vehicles, power is typically provided by lithium battery packs formed by combining multiple lithium battery cells within a battery box. However, during the production and storage of lithium batteries, abnormalities can easily occur within individual lithium battery cells over time, leading to expansion. If the expanded lithium battery cells are not isolated in a timely manner, the expanded cells will further compress the storage areas of other lithium batteries within the same battery pack, potentially damaging battery performance and causing more serious safety issues and property damage.

[0004] To address the aforementioned technical problems, this application proposes a solution. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a constant temperature and pressure storage box for new energy batteries, which places each battery pack separately and monitors the pressure of each battery pack in real time to prevent danger; the batteries are more stable and do not shake due to the airbag wrapping.

[0006] The aforementioned constant temperature and pressure storage box for new energy batteries includes a box body, with multiple partition frames fixedly connected inside the box body. Each partition frame has an airbag fixedly connected to its four sides and bottom. The airbag is composed of multiple independent small airbags connected together. An alarm is installed in each partition frame. A cover is rotatably connected to one side of the box body opening. An airbag is fixedly connected to the side of the cover facing the inside of the box body. A processor is fixedly connected to one end of the outer side of the box body. The processor integrates a buzzer.

[0007] Preferably, each small air bladder in the airbag is equipped with a miniature pressure sensor, which is electrically connected to the processor via a wire, and the processor is electrically connected to the alarm via a wire.

[0008] Preferably, each airbag inside the housing is sealed with a piston cylinder on its side. The piston cylinder passes through the housing and is fixedly connected to it. A piston is slidably connected inside the piston cylinder. A piston rod is fixedly connected to one end of the piston. One end of the piston rod abuts against the inner wall of the airbag. A touch switch is installed on the bottom wall of the piston cylinder. The touch switch is electrically connected to the processor through a wire. An exhaust pipe is fixedly connected to the middle of one end of the piston cylinder. A pressure valve is installed on the exhaust pipe.

[0009] Preferably, the airbag is mainly composed of aramid fabric, silicone rubber coating and flame-retardant fluororubber seals.

[0010] Preferably, a temperature sensor is fixedly connected inside the housing and electrically connected to the processor via a wire.

[0011] Preferably, the housing and cover are mainly made of aluminum alloy plates with an epoxy coating on the surface.

[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model installs multiple partition frames inside the housing, and places airbags inside the partition frames. The batteries are placed inside the airbags, each independently. Furthermore, a miniature pressure sensor is installed inside each airbag to monitor the battery pressure in real time. The miniature pressure sensor is connected to an alarm via a processor. Once the pressure exceeds a preset value, the alarm will sound, and a buzzer will also sound simultaneously.

[0013] 2. Install the battery in the compartments that are filled with airbags, and push the piston rod to inflate the airbags so that the airbags can fit the battery more closely, which can reduce shock and prevent the battery from shaking. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the structure of this utility model from another angle; Figure 3 This is a schematic cross-sectional view of the present invention. Figure 4 for Figure 3 Enlarged view of a portion of the structure in section A; Figure 5 This is a diagram showing the installation and assembly of the airbag and the housing.

[0015] In the diagram, 1. Box body; 2. Divider frame; 3. Cover; 4. Airbag; 5. Miniature pressure sensor; 6. Piston cylinder; 7. Piston; 8. Piston rod; 9. Touch switch; 10. Exhaust pipe; 11. Pressure valve; 12. Alarm; 13. Processor. Detailed Implementation

[0016] The present invention will be further described below with reference to the accompanying drawings: The directional terms used in the detailed description paragraphs are only for the convenience of those skilled in the art to understand the technical solutions described in this application based on the visual orientation shown in the accompanying drawings. Unless otherwise expressly specified and limited, the terms "setting," "installation," "connection," etc., should be interpreted broadly, and those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0017] A constant temperature and pressure storage box for new energy batteries includes a box body 1. Multiple partition frames 2 are fixedly connected inside the box body 1. Airbags 4 are fixedly connected to the four sides and bottom of each partition frame 2. Each airbag 4 is composed of multiple independent small airbags connected together. An alarm 12 is installed inside each partition frame 2. A cover 3 is rotatably connected to one side of the opening of the box body 1. Airbags 4 are fixedly connected to the side of the cover 3 facing inwards from the box body 1. A processor 13 is fixedly connected to one end of the outer side of the box body 1. The processor 13 integrates a buzzer. The processor receives and processes pressure signals collected by miniature pressure sensors 5. When the pressure value collected by any miniature pressure sensor 5 increases by more than a first predetermined threshold per unit time, it is determined that the pressure signal has increased. At this time, the processor controls the alarm corresponding to the storage chamber to sound an alarm. If the pressure value exceeds a higher second predetermined threshold, the processor controls the alarm to sound a higher-level alarm, so that staff can take different countermeasures according to the alarm level. Simultaneously, the processor is configured to collect changes in the pressure signal of the miniature pressure sensor 5 within a certain time range before triggering the corresponding alarm operation, excluding short-term pressure changes in the airbags 4 caused by collisions.

[0018] Each small airbag in airbag 4 is equipped with a miniature pressure sensor 5. The miniature pressure sensor 5 is electrically connected to the processor 13 via a wire, and the processor 13 is electrically connected to the alarm 12 via a wire.

[0019] Each airbag 4 inside the housing 1 is sealed with a piston cylinder 6 on its side. The piston cylinder 6 passes through the housing 1 and is fixedly connected to the housing 1. A piston 7 is slidably connected inside the piston cylinder 6. A piston rod 8 is fixedly connected to one end of the piston 7. One end of the piston rod 8 abuts against the inner wall of the airbag 4. A touch switch 9 is installed on the bottom wall of the piston cylinder 6. The touch switch 9 is electrically connected to the processor 13 through a wire. An exhaust pipe 10 is fixedly connected to the middle of one end of the piston cylinder 6. A pressure valve 11 is installed on the exhaust pipe 10.

[0020] The airbag 4 is mainly composed of aramid fabric, a silicone rubber coating, and flame-retardant fluororubber seals. The airbag 4, covering the inner and bottom walls of the storage chamber, forms an elastic buffer layer. When the storage box is subjected to handling vibrations or accidental impacts, the airbag 4 absorbs the impact force through its own deformation, reducing the direct effect of external forces on the internal batteries. The multi-chamber design further ensures buffer reliability—even if a single chamber is damaged, the remaining chambers can still maintain some buffering function, reducing the risk of battery damage. A temperature sensor is fixedly connected inside the housing 1 and electrically connected to the processor 13 via wires. The processor is electrically connected to the temperature sensor and the temperature control system, capable of receiving the temperature signal collected by the temperature sensor within the storage chamber and controlling the operation of the temperature control system according to the set temperature range, maintaining the storage space within the set temperature range and providing a suitable storage temperature environment for the new energy batteries. The housing 1 and the cover 3 are mainly made of aluminum alloy plates with an epoxy coating.

[0021] Categorized Storage and Isolation: The interior of the cabinet 1 is divided into multiple independent storage chambers by the partition frame 2. Staff can place different types and specifications of new energy batteries into the respective storage chambers to avoid collisions, friction, or signal interference between batteries due to shaking. After the cover 3 is closed, a closed space is formed, which not only prevents external dust and moisture from entering, but also provides a relatively sealed environment for subsequent temperature control.

[0022] The specific process is as follows: Real-time pressure signal acquisition: Miniature pressure sensors 5 installed in airbag 4 and each sub-air chamber continuously monitor the internal pressure. Especially at the four corners at the bottom of the storage cavity, the sensors can more comprehensively capture the pressure changes when the battery expands because they cover three sides of the corners. When the battery expands due to internal short circuits, overcharging, or other problems, it will squeeze the surrounding airbags, causing their internal pressure to rise abnormally.

[0023] Signal processing and classification: After receiving real-time data from the miniature pressure sensor 5, the processor performs dynamic analysis: If the pressure increase per unit time exceeds the first predetermined threshold (e.g., 10 kPa / min), it is determined as "abnormal pressure increase", indicating that the battery may begin to expand. The processor immediately controls the alarm outside the corresponding storage cavity to issue a regular alarm (e.g., audible and visual alert).

[0024] If the pressure value directly exceeds the second predetermined threshold (e.g., 50 kPa), it is judged as "severe pressure abnormality", indicating that the battery has expanded significantly and there is a risk of explosion or leakage. The processor triggers a high-level alarm (e.g., continuous beeping + red light flashing).

[0025] Emergency Response Guidance: Different alarm levels provide clear handling guidelines for staff—regular alarms require timely checking of battery status, while high-level alarms require immediate removal of the affected battery to prevent the accident from escalating.

[0026] Through the synergy of the above three mechanisms, the storage box not only meets the basic requirements of new energy batteries for the storage environment, but also provides early warning of potential risks through innovative pressure monitoring technology, forming an integrated "prevention, control, and warning" safe storage solution.

[0027] The elastic buffer layer formed by the airbag 4 can absorb the impact force generated by transportation vibration and accidental impact through its own deformation, reducing the direct effect of external forces on the internal battery and effectively protecting the battery. The multi-chamber design improves the reliability of buffering. Even if a single chamber is damaged, the remaining chambers can still maintain some buffering function, reducing the risk of battery damage. Accurate safety early warning is achieved: the miniature pressure sensor 5 can comprehensively capture pressure changes during battery expansion. In particular, the sensors 5 at the four corners of the bottom of the storage cavity can detect pressure anomalies caused by internal battery problems more promptly.

[0028] The processor dynamically analyzes real-time data, using different thresholds to determine "abnormally increased pressure" and "severely abnormal pressure," issuing regular and high-level alarms respectively to provide early warning of potential battery risks. Clear emergency guidance is provided: different alarm levels offer clear directions for personnel to take action. Regular alarms prompt timely checks of battery status, while high-level alarms require the immediate removal of the hazardous battery, helping to prevent the accident from escalating and ensuring the safety of personnel and the environment.

[0029] An integrated safe storage solution is formed: three mechanisms work together to not only meet the basic requirements of new energy batteries for the storage environment, but also achieve risk warning through innovative pressure monitoring technology, thus achieving the integration of "prevention, control and warning" and comprehensively ensuring the storage safety of new energy batteries.

[0030] Finally, although this specification describes embodiments, not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A constant temperature and pressure storage box for new energy batteries, comprising a box body (1), characterized in that: The box (1) is fixedly connected with multiple partition frames (2). Each partition frame (2) is fixedly connected with an airbag (4) around its perimeter and bottom. The airbag (4) is composed of multiple independent small airbags connected together. Each partition frame (2) is equipped with an alarm (12). A cover (3) is rotatably connected to one side of the opening of the box (1). An airbag (4) is fixedly connected to the side of the cover (3) facing the inside of the box (1). A processor (13) is fixedly connected to one end of the outer side of the box (1). A buzzer is integrated inside the processor (13).

2. The constant temperature and pressure storage box for new energy batteries according to claim 1, characterized in that: Each of the small airbags in the airbag (4) is equipped with a miniature pressure sensor (5), which is electrically connected to the processor (13) via a wire, and the processor (13) is electrically connected to the alarm (12) via a wire.

3. The constant temperature and pressure storage box for new energy batteries according to claim 1, characterized in that: Each airbag (4) inside the housing (1) is sealed with a piston cylinder (6) on its side. The piston cylinder (6) passes through the housing (1) and is fixedly connected to the housing (1). A piston (7) is slidably connected inside the piston cylinder (6). A piston rod (8) is fixedly connected to one end of the piston (7). One end of the piston rod (8) abuts against the inner wall of the airbag (4). A touch switch (9) is installed on the bottom wall of the piston cylinder (6). The touch switch (9) is electrically connected to the processor (13) through a wire. An exhaust pipe (10) is fixedly connected to the middle of one end of the piston cylinder (6). A pressure valve (11) is installed on the exhaust pipe (10).

4. The constant temperature and pressure storage box for new energy batteries according to claim 1, characterized in that: The airbag (4) is mainly composed of aramid fabric, silicone rubber coating and flame-retardant fluororubber seals.

5. A constant temperature and pressure storage box for new energy batteries according to claim 1, characterized in that: A temperature sensor is fixedly connected inside the housing (1) and is electrically connected to the processor (13) via a wire.

6. The constant temperature and pressure storage box for new energy batteries according to claim 1, characterized in that: The box body (1) and the cover (3) are mainly made of aluminum alloy plates with an epoxy coating on the surface.