New energy automobile battery pack with liquid leakage monitoring function

By designing a heat dissipation structure and gas detection sensor in the battery pack of new energy vehicles, and combining the connecting structure to quickly constrain the battery, the problem of high liquid leakage monitoring cost of the battery pack is solved, efficient liquid leakage detection and battery constraints are achieved, and the capital investment of the battery pack is reduced.

CN223006834UActive Publication Date: 2025-06-20苏伟
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Patent Information

Application Number
CN202421658791.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2025-06-20
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

Existing new energy vehicle battery packs are prone to leakage after long-term use, and the existing liquid leakage monitoring technology has increased the capital investment of battery packs due to the large number of sensors and high cost.

Method used

A new energy vehicle battery pack including a first placement plate, a second placement plate, a heat dissipation structure and a gas detection sensor is designed. By setting up a heat dissipation structure and a gas detection sensor, it is possible to detect whether the discharged gas contains VOC gas, thereby determining whether there is leakage in the battery liquid. At the same time, the first placement plate and the second placement plate are quickly connected through the connection structure to restrain the battery and prevent activities.

Benefits of technology

The liquid leakage monitoring of new energy vehicle battery packs has been realized, which reduces the number of sensors and reduces the cost, while improving the heat dissipation efficiency and maintenance convenience of the battery pack.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is suitable for the technical field of automobile battery packs, and provides a new energy automobile battery pack with a liquid leakage monitoring function. A first placement plate; the second placing plate is movably clamped on the first placing plate; the heat dissipation structures are symmetrically arranged on the first placement plate and the second placement plate front and back; and the gas detection sensors are symmetrically mounted on the right sides of the tops of the first placement plate and the second placement plate front and back. When in use, the new energy automobile battery pack with the liquid leakage monitoring function provided by the embodiment of the utility model is provided with the heat dissipation structure, so that the internal heat is quickly discharged when the new energy automobile battery pack with the liquid leakage monitoring function is used, and meanwhile, the gas detection sensor is started when the internal heat is discharged; and whether the discharged gas contains VOC gas or not is detected, so that whether the battery liquid leaks or not is determined, and the number of sensors is greatly reduced.
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Description

Technical Field

[0001] The utility model belongs to the technical field of automotive battery packs, and particularly relates to a new energy vehicle battery pack with a liquid leakage monitoring function. Background Art

[0002] An automotive battery pack is a large power supply structure composed of multiple batteries connected in series or in parallel and stacked. The existing battery packs for electric vehicles are prone to liquid leakage after long-term use. At the same time, VOC gas is added to reduce the occurrence of bulging.

[0003] A new energy vehicle battery pack with a liquid leakage monitoring function, with the application number CN201920444448.0, includes a face cover, an interlayer, and a base connected in sequence. A first circuit board is provided in the face cover. Multiple first through holes are provided on the first circuit board. And a first core liquid sensor is provided at a position adjacent to each first through hole on the first circuit board. A first gold finger is provided on the first circuit board. The first gold finger is electrically connected to the first core liquid sensor. A second circuit board is provided in the base. Multiple second through holes corresponding to the grooves are provided on the second circuit board. And a second core liquid sensor is provided at a position corresponding to each second through hole on the second circuit board. A second gold finger is provided on the second circuit board. The second gold finger is electrically connected to the second core liquid sensor. The layout of the utility model is more reasonable.

[0004] Although the above can detect each battery inside the battery pack, since the number of batteries inside the battery pack used in the vehicle is large, if two core liquid sensors and gold fingers are installed corresponding to each battery, not only the required quantity is huge, but also the prices of the core liquid sensors and gold fingers are high, thus increasing the capital investment of the battery pack indirectly.

[0005] Therefore, how to provide a new energy vehicle battery pack with a liquid leakage monitoring function is an urgent problem to be solved by those skilled in the art. Content of the Utility Model

[0006] The purpose of the utility model is to provide a new energy vehicle battery pack with a liquid leakage monitoring function, aiming to solve the problems mentioned in the background art.

[0007] The utility model is realized as follows. A new energy vehicle battery pack with a liquid leakage monitoring function includes:

[0008] A first placement board;

[0009] A second placement board, which is movably clamped on the first placement board;

[0010] A heat dissipation structure, the heat dissipation structure is symmetrically arranged before and after on the first placement plate and the second placement plate;

[0011] A gas detection sensor, the gas detection sensor is symmetrically installed before and after on the right side of the tops of the first placement plate and the second placement plate, and is connected to the heat dissipation structure.

[0012] Preferably, a connection structure is further provided on the first placement plate and the second placement plate. The connection structure includes a positioning sleeve, a rotating sleeve and a positioning slider. The positioning sleeves are arrayed and installed on the surface of the second placement plate. The positioning sliders are arrayed and installed on the surface of the first placement plate. The rotating sleeve is slidably installed on the surface of the positioning slider and is inserted into the interior of the positioning sleeve. Connecting threads are correspondingly arranged on the facing surfaces of the rotating sleeve and the positioning sleeve.

[0013] Preferably, the heat dissipation structure includes a ventilation groove and an air outlet. The ventilation grooves are symmetrically opened before and after in the inner walls of the first placement plate and the second placement plate. Through holes are arrayed and opened on the inner sides of the first placement plate and the second placement plate and are communicated with the ventilation grooves. The air outlet is fixedly installed on the top of the right side of the first placement plate and the second placement plate. The detection end of the gas detection sensor extends into the interior of the first placement plate.

[0014] Preferably, positioning blocks are symmetrically arrayed on the facing surfaces inside the first placement plate and the second placement plate.

[0015] Preferably, a communication module is fixedly installed on the top of the first placement plate. The communication module is electrically connected to the gas detection sensor, and the communication module is wirelessly connected to a display terminal.

[0016] Preferably, a chute is opened at the front end of the rotating sleeve, and the positioning slider is slidably arranged in the chute.

[0017] Preferably, the diameter value of the rear end of the rotating sleeve is equal to the inner diameter value of the positioning sleeve, and the length value of the rotating sleeve is equal to the sum of the thickness values of the first placement plate and the second placement plate.

[0018] When in use, the above-mentioned embodiment of the present utility model provides a new energy vehicle battery pack with a liquid leakage monitoring function. When in use, by setting the heat dissipation structure, the internal heat can be quickly discharged during use. At the same time, when discharging the internal heat, the gas detection sensor is started at the same time to detect whether the discharged gas contains VOC gas, so as to determine whether there is a liquid leakage situation in the battery liquid, and the number of sensors is greatly reduced.

[0019] Meanwhile, by setting up the connection structure, the first placement plate and the second placement plate can be quickly connected together, thereby quickly constraining the batteries placed inside, and avoiding the activities of the internal batteries, which may affect the subsequent removal and maintenance work. Description of the Drawings

[0020] The drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the drawings:

[0021] Figure 1 is a schematic diagram of the overall external structure of a new energy vehicle battery pack with a leakage monitoring function provided by an embodiment of the present invention;

[0022] Figure 2 is a schematic diagram of the rear view sectional structure of a new energy vehicle battery pack with a leakage monitoring function provided by an embodiment of the present invention;

[0023] Figure 3 is a schematic diagram of the right view sectional structure of a new energy vehicle battery pack with a leakage monitoring function provided by an embodiment of the present invention;

[0024] Figure 4 is provided by an embodiment of the present invention Figure 2 magnified structure schematic diagram of part A;

[0025] Figure 5 is provided by an embodiment of the present invention Figure 2 magnified structure schematic diagram of part B.

[0026] In the figure: 1 - the first placement plate, 2 - the second placement plate, 3 - the ventilation slot, 4 - the through hole, 5 - the exhaust fan, 6 - the air outlet, 7 - the gas detection sensor, 8 - the positioning block, 9 - the positioning slider, 10 - the rotating sleeve, 11 - the positioning sleeve, 12 - the sliding groove, 13 - the communication module. Detailed Embodiment

[0027] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further elaborates on the present invention in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0028] The following describes the specific implementation of the present invention in detail with reference to specific embodiments.

[0029] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown in the figure, it is a schematic structural diagram of a new energy vehicle battery pack with a liquid leakage monitoring function provided by an embodiment of the present invention, including:

[0030] The first placement plate 1;

[0031] The second placement plate 2, and the second placement plate 2 is movably clamped on the first placement plate 1;

[0032] The heat dissipation structure, and the heat dissipation structure is symmetrically arranged before and after on the first placement plate 1 and the second placement plate 2;

[0033] The gas detection sensor 7, and the gas detection sensor 7 is symmetrically installed before and after on the right side of the tops of the first placement plate 1 and the second placement plate 2, and is connected to the heat dissipation structure.

[0034] In the embodiment of the present invention, when in use, the second placement plate 2 is clamped with the first placement plate 1, and then the heat dissipation structure is started for heat dissipation. At the same time, the gas detection sensor 7 detects the gas discharged by the heat dissipation structure;

[0035] By setting the heat dissipation structure, when in use, the internal heat can be quickly discharged. At the same time, when discharging the internal heat, the gas detection sensor 7 is started at the same time to detect whether the discharged gas contains VOC gas, so as to determine whether there is a liquid leakage of the battery liquid, and the number of sensors is greatly reduced.

[0036] Such as Figure 1 、 Figure 2 And Figure 3 As shown, as a preferred embodiment of the present invention, a connection structure is further provided on the first placement plate 1 and the second placement plate 2. The connection structure includes a positioning sleeve 11, a rotating sleeve 10 and a positioning slider 9. The positioning sleeves 11 are arrayed and installed on the surface of the second placement plate 2, the positioning sliders 9 are arrayed and installed on the surface of the first placement plate 1, the rotating sleeve 10 is slidably installed on the surface of the positioning slider 9, and is inserted into the inside of the positioning sleeve 11. Connecting threads are correspondingly arranged on the opposite faces of the rotating sleeve 10 and the positioning sleeve 11.

[0037] In the embodiment of the present invention, when in use, the battery is placed into the positioning block 8 inside the first placement plate 1 or the second placement plate 2, and then the first placement plate 1 or the second placement plate 2 is combined, so that the positioning block 8 squeezes both ends of the battery, and at the same time, the rotating sleeve 10 on the first placement plate 1 is inserted into the positioning sleeve 11 on the second placement plate 2;

[0038] By providing corresponding threads on the facing surfaces of the rotating sleeve 10 and the positioning sleeve 11, when inserting, the rotating sleeve 10 rotates accordingly, connecting the first placement plate 1 and the second placement plate 2, making it not easy to move, and facilitating subsequent disassembly and maintenance.

[0039] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 shown, as a preferred embodiment of the present invention, the heat dissipation structure includes a ventilation groove 3 and an air outlet 6. The ventilation groove 3 is symmetrically opened at the front and back in the inner walls of the first placement plate 1 and the second placement plate 2. Through holes 4 are arrayed and opened on the inner sides of the first placement plate 1 and the second placement plate 2 and are communicated with the ventilation groove 3. The air outlet 6 is fixedly installed at the top on the right side of the first placement plate 1 and the second placement plate 2. The detection end of the gas detection sensor 7 extends into the first placement plate 1.

[0040] In the embodiment of the present invention, when in use, start the exhaust fan 5 to draw the outside air into the ventilation groove 3, then discharge it into the first placement plate 1 and the second placement plate 2 through the through holes 4, and then discharge the heat generated by the battery operation from the air outlet 6. When discharging, at the same time, start the gas detection sensor 7 to detect the discharged gas. When it is detected that the discharged gas contains VOC gas, it means that the battery liquid leaks, resulting in the leakage of the VOC gas contained inside. Then, a signal is transmitted through the communication module 13 to warn that the battery pack at the location leaks and needs to be replaced in time;

[0041] By providing the heat dissipation structure, heat dissipation can be performed during use. At the same time, by providing the gas detection sensor 7, the discharged gas can be detected to determine whether there is a leakage situation.

[0042] As Figure 2 and Figure 3 shown, as a preferred embodiment of the present invention, positioning blocks 8 are symmetrically arrayed on the facing surfaces inside the first placement plate 1 and the second placement plate 2.

[0043] In the embodiment of the present invention, when in use, by symmetrically arraying positioning blocks 8 on the facing surfaces inside the first placement plate 1 and the second placement plate 2, it is convenient to place the battery between the first placement plate 1 and the second placement plate 2, and the positioning blocks 8 restrain it to prevent it from moving.

[0044] As Figure 1As shown, as a preferred embodiment of the present utility model, a communication module 13 is fixedly installed on the top of the first placement plate 1. The communication module 13 is electrically connected to the gas detection sensor 7, and the communication module 13 is wirelessly connected to the display terminal.

[0045] In the embodiment of the present utility model, when in use, by fixedly installing the communication module 13 on the top of the first placement plate 1, and the communication module 13 is electrically connected to the gas detection sensor 7, the detection situation of the gas detection sensor 7 can be transmitted to the display terminal through the communication module 13, thus playing a role of early warning and reminder.

[0046] As Figure 1 、 Figure 2 and Figure 3 shown, as a preferred embodiment of the present utility model, a sliding groove 12 is opened at the front end of the rotating sleeve 10, and the positioning slider 9 is slidably arranged in the sliding groove 12.

[0047] In the embodiment of the present utility model, when in use, by opening the sliding groove 12 at the front end of the rotating sleeve 10 and slidably arranging the positioning slider 9 in the sliding groove 12, it is convenient for the rotation of the rotating sleeve 10.

[0048] As Figure 1 、 Figure 2 and Figure 3 shown, as a preferred embodiment of the present utility model, the diameter value of the rear end of the rotating sleeve 10 is equal to the inner diameter value of the positioning sleeve 11, and the length value of the rotating sleeve 10 is equal to the sum of the thickness values of the first placement plate 1 and the second placement plate 2.

[0049] In the embodiment of the present utility model, when in use, by making the diameter value of the rear end of the rotating sleeve 10 equal to the inner diameter value of the positioning sleeve 11, and the length value of the rotating sleeve 10 is equal to the sum of the thickness values of the first placement plate 1 and the second placement plate 2, it is convenient for the connection between the first placement plate 1 and the second placement plate 2.

[0050] In the above embodiment of the present utility model, a new energy vehicle battery pack with a liquid leakage monitoring function is provided. When in use, the battery is placed into the positioning block 8 inside the first placement plate 1 or the second placement plate 2, and then the first placement plate 1 or the second placement plate 2 is combined, so that the positioning block 8 squeezes both ends of the battery. At the same time, the rotating sleeve 10 on the first placement plate 1 is inserted into the positioning sleeve 11 on the second placement plate 2. Since corresponding threads are provided on the opposite surfaces of the rotating sleeve 10 and the positioning sleeve 11, when being inserted, the rotating sleeve 10 rotates accordingly, so that the first placement plate 1 and the second placement plate 2 are connected, and it is not easy to move, and it is convenient for subsequent disassembly and maintenance;

[0051] When in use, the exhaust fan 5 is started to draw the outside air into the ventilation groove 3, and then discharged into the first placing plate 1 and the second placing plate 2 through the through hole 4. Subsequently, it is discharged from the air outlet 6 together with the heat generated by the battery during operation. When discharging, the gas detection sensor 7 is started simultaneously to detect the discharged gas. When it is detected that the discharged gas contains VOC gas, it means that the battery liquid has leaked, resulting in the leakage of the VOC gas contained inside. Then, a signal is transmitted through the communication module 13 to warn that the battery pack at the location has leaked and needs to be replaced in time.

[0052] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A new energy vehicle battery pack with leakage monitoring function, characterized in that: include; A first placement plate (1); A second placement plate (2), the second placement plate (2) being movably clamped on the first placement plate (1); A heat dissipation structure, the heat dissipation structure being symmetrically arranged on the first placement plate (1) and the second placement plate (2); A gas detection sensor (7) is symmetrically mounted on the right side of the top of the first placement plate (1) and the second placement plate (2) and is connected to the heat dissipation structure.

2. The new energy vehicle battery pack with leakage monitoring function according to claim 1, characterized in that: The first placement plate (1) and the second placement plate (2) are also provided with a connection structure, which includes a positioning sleeve (11), a rotating sleeve (10) and a positioning slider (9). The positioning sleeve (11) is arrayed on the surface of the second placement plate (2), and the positioning slider (9) is arrayed on the surface of the first placement plate (1). The rotating sleeve (10) is slidably mounted on the surface of the positioning slider (9) and inserted into the interior of the positioning sleeve (11). The facing surfaces of the rotating sleeve (10) and the positioning sleeve (11) are correspondingly provided with connecting threads.

3. The new energy vehicle battery pack with leakage monitoring function according to claim 1, characterized in that: The heat dissipation structure comprises a ventilation groove (3) and an air outlet (6); the ventilation groove (3) is symmetrically arranged in the inner wall of the first placement plate (1) and the second placement plate (2); the inner sides of the first placement plate (1) and the second placement plate (2) are both provided with through holes (4) in an array and are connected to the ventilation groove (3); the air outlet (6) is fixedly mounted on the top of the right side of the first placement plate (1) and the second placement plate (2); and the detection end of the gas detection sensor (7) extends to the interior of the first placement plate (1).

4. The new energy vehicle battery pack with leakage monitoring function according to claim 1, characterized in that: Positioning blocks (8) are symmetrically arranged in array on the facing surfaces inside the first placement plate (1) and the second placement plate (2).

5. The new energy vehicle battery pack with leakage monitoring function according to claim 1, characterized in that: A communication module (13) is fixedly mounted on the top of the first placement plate (1); the communication module (13) is electrically connected to the gas detection sensor (7); and the communication module (13) is wirelessly connected to the display terminal.

6. The new energy vehicle battery pack with leakage monitoring function according to claim 2, characterized in that: A sliding groove (12) is provided at the front end of the rotating sleeve (10), and the positioning slider (9) is slidably arranged in the sliding groove (12).

7. The new energy vehicle battery pack with leakage monitoring function according to claim 2, characterized in that: The diameter value of the rear end of the rotating sleeve (10) is equal to the inner diameter value of the positioning sleeve (11), and the length value of the rotating sleeve (10) is equal to the sum of the thickness values ​​of the first placement plate (1) and the second placement plate (2).

Citation Information

Patent Citations

  • New energy automobile battery pack with liquid leakage monitoring function

    CN209658344U