Battery top cover, battery top cover assembly and battery assembly

Abstract

The utility model discloses a battery top cover, a battery top cover assembly and a battery assembly, and relates to the technical field of battery intelligent management, the battery top cover comprises a cover plate, a lower plate, a trigger module buckle, a sensing module buckle, a lead buckle, a positive electrode connecting sheet and a negative electrode connecting sheet; the trigger module buckle is used for fixing the trigger module, the sensing module buckle is used for fixing the sensing module, the wire buckle is used for fixing a wire, the sensing module is electrically connected with the trigger module through the wire, and the positive electrode connecting piece and the negative electrode connecting piece are arranged on the lower plate and electrically connected with the positive electrode column and the negative electrode column on the cover plate respectively. And the positive electrode connecting sheet and the negative electrode connecting sheet can be electrically connected with the trigger module. The battery top cover assembly comprises a sensing module, a triggering module and the battery top cover, and the battery assembly comprises the battery top cover assembly. According to the utility model, the internal state of the battery can be conveniently monitored in real time, and the reliability of the sensing module is ensured.

Description

Technical Field

[0001] This utility model relates to the field of intelligent battery management technology, and in particular to a battery top cover, a battery top cover assembly, and a battery assembly. Background Technology

[0002] With the increasing prevalence of electric vehicles, mobile devices, and energy storage systems, batteries are being used more and more widely. However, as battery energy density and charging speed increase, battery safety issues are becoming more prominent. Batteries may overheat, catch fire, or even explode during use, posing serious safety hazards to users and society. Existing battery management systems mainly rely on external signals, making it difficult to monitor key indicators such as temperature, pressure, strain, gas flow, pressure, airflow, and potential within the battery in a timely and accurate manner, thus failing to effectively prevent potential dangers.

[0003] Therefore, a battery top cover, a battery top cover assembly, and a battery assembly are provided to solve the aforementioned problems existing in the prior art. Utility Model Content

[0004] The purpose of this invention is to provide a battery top cover, a battery top cover assembly, and a battery assembly to solve the problems existing in the prior art, facilitate real-time monitoring of the internal state of the battery, and ensure the reliability of the sensing module.

[0005] To achieve the above objectives, this utility model provides the following solution:

[0006] This utility model provides a battery top cover, including a cover plate, a lower plate, a trigger module fastener, a sensor module fastener, a wire fastener, a positive electrode connecting piece, and a negative electrode connecting piece. The lower plate is disposed below the cover plate and has a trigger module mounting position, a sensor module mounting position, and a wire mounting position. The trigger module fastener is disposed on the trigger module mounting position for fixing the trigger module. The sensor module fastener is disposed on the sensor module mounting position for fixing the sensor module. The wire fastener is disposed on the wire mounting position for fixing the wire. The sensor module is electrically connected to the trigger module through the wire. The positive electrode connecting piece and the negative electrode connecting piece are disposed on the lower plate and are electrically connected to the positive and negative terminals on the cover plate, respectively. Both the positive electrode connecting piece and the negative electrode connecting piece can be electrically connected to the trigger module.

[0007] Preferably, the cover plate is further provided with an auxiliary positive terminal and an auxiliary negative terminal, and the trigger module is electrically connected to the auxiliary positive terminal and the auxiliary negative terminal; wherein, the lower plate is a plastic plate, and both the cover plate and the lower plate are square structures.

[0008] Preferably, the trigger module mounting position is provided with a plurality of first buckles, which are respectively used to be set on both sides of the trigger module fastener to fix both sides of the trigger module fastener; wherein, both sides of the trigger module fastener are provided with slots corresponding to the first buckles, and the first buckles are engaged with the corresponding slots.

[0009] Preferably, the lower plate is further provided with a second injection hole, which is located in the middle of the first buckle on both sides. The cover plate is further provided with a first injection hole, which is provided in correspondence with the second injection hole.

[0010] Preferably, the trigger module fastener has switch buckles on both sides inside for limiting the trigger module; and the trigger module fastener also has a wire cover at the end near the wire fastener for covering the wire.

[0011] Preferably, the sensor module mounting position is provided with a plurality of second buckles for fastening the two ends of the sensor module fastener; the sensor module fastener is provided with a sensing hole and a sensing groove, and the two ends of the sensor module fastener are provided with reinforcing ribs.

[0012] Preferably, the wire mounting position is provided with a wire groove for the wire to pass through, and the wire groove is provided with multiple buckle slots. The wire fastener is provided with multiple third buckles, which can be fastened to the corresponding buckle slots to fix the wire fastener in the wire groove.

[0013] This utility model also provides a battery top cover assembly, including a sensing module, a triggering module, and the battery top cover as described above.

[0014] Preferably, the sensing module includes any one or more of the following: temperature sensing module, air pressure sensing module, strain sensing module, gas sensing module, pressure sensing module, airflow sensing module, and potential sensing module.

[0015] The trigger module is a normally closed membrane switch, which is turned on by inserting a sealing pin.

[0016] This utility model also provides a battery assembly, including the battery top cover assembly as described above.

[0017] The present invention achieves the following technical advantages over the prior art:

[0018] In this invention, a sensor module mounting position is provided on the battery top cover, and a sensor module fastener is provided on the sensor module mounting position to fix the sensor module to the battery top cover, thereby realizing the implantation of the sensor module inside the battery assembly for real-time monitoring of the battery's internal state and a more accurate understanding of the battery's current condition. Furthermore, a trigger module mounting position is provided, and a trigger module fastener is provided on the trigger module mounting position to fix the trigger module to the battery top cover. In this embodiment, a trigger module is included; by disconnecting the trigger module, the sensor module can be deactivated, avoiding damage to the sensor module from high voltage during high-voltage testing and ensuring the reliability of the sensor module. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of the battery top cover in an embodiment of this utility model;

[0021] Figure 2 This is a schematic diagram of the cover plate in an embodiment of the present utility model;

[0022] Figure 3 This is a schematic diagram of the lower plate in an embodiment of the present invention;

[0023] Figure 4 This is a schematic diagram of the structure of the positive electrode connecting piece and the negative electrode connecting piece in the embodiment of this utility model;

[0024] Figure 5 This is a schematic diagram of the trigger module fastener in an embodiment of the present invention;

[0025] Figure 6 This is a schematic diagram of the wire fastener in an embodiment of the present utility model;

[0026] Figure 7 This is a schematic diagram of the structure of the sensor module fastener in an embodiment of this utility model.

[0027] In the diagram: 1. Cover plate; 2. Lower plate; 3. Trigger module fastener; 4. Wire fastener; 5. Sensor module fastener; 6. Negative electrode connecting piece; 7. Positive electrode connecting piece; 8. First injection hole; 9. First snap fastener; 10. Second injection hole; 11. Wire groove; 12. Second snap fastener; 13. Switch buckle; 14. Third snap fastener; 15. Sensor hole; 16. Sensor groove; 17. Wire cover; 18. Auxiliary positive electrode post; 19. Auxiliary negative electrode post. Detailed Implementation

[0028] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] The purpose of this invention is to provide a battery top cover, a battery top cover assembly, and a battery assembly to solve the problems existing in the prior art, facilitate real-time monitoring of the internal state of the battery, and ensure the reliability of the sensing module.

[0030] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0031] Example 1

[0032] like Figures 1-7 As shown, this embodiment provides a battery top cover, mainly including a cover plate 1, a lower plate 2, a trigger module fastener 3, a sensor module fastener 5, a wire fastener 4, a positive electrode connecting piece 7, and a negative electrode connecting piece 6. The lower plate 2 is a plastic plate and is located below the cover plate 1. The lower plate 2 has a trigger module mounting position, a sensor module mounting position, and a wire mounting position. The trigger module fastener 3 is located at the trigger module mounting position and is used to fix the trigger module to the battery top cover. The sensor module fastener 5 is located at the sensor module mounting position and is used to fix the sensor module to the battery top cover. The sensor module is used to detect electrical signals. The battery is tested. The wire fastener 4 is set on the wire mounting position to fix the wire. The sensing module is electrically connected to the trigger module through the wire. The positive electrode connecting piece 7 and the negative electrode connecting piece 6 are set on the lower plate 2. The positive electrode connecting piece 7 and the negative electrode connecting piece 6 are electrically connected to the positive and negative terminals on the cover plate 1, respectively. The positive and negative terminals are connected to the positive and negative terminals of the battery. Both the positive electrode connecting piece 7 and the negative electrode connecting piece 6 are electrically connected to the trigger module. The sensing module can be powered by being electrically connected to the trigger module and the positive electrode connecting piece 7 and the negative electrode connecting piece 6.

[0033] In this embodiment, a sensor module mounting position is provided on the battery top cover, and a sensor module fastener 5 is provided on the sensor module mounting position to fix the sensor module to the battery top cover, thereby realizing the implantation of the sensor module inside the battery assembly to monitor the internal state of the battery in real time and to have a more accurate understanding of the current condition of the battery; in addition, a trigger module mounting position is provided, and a trigger module fastener 3 is provided on the trigger module mounting position to fix the trigger module to the battery top cover. In this embodiment, a trigger module is added. By disconnecting the trigger module, the sensor module can be made to stop working, which can avoid damage to the sensor module by high voltage during high voltage testing of the battery and ensure the reliability of the sensor module.

[0034] In this embodiment, both the cover plate 1 and the lower plate 2 are preferably square structures, suitable for square batteries. Alternatively, other shapes of cover plate 1 and lower plate 2 can be selected as needed to suit different types of batteries.

[0035] In this embodiment, the trigger module mounting position is provided with a plurality of first buckles 9, which are respectively used to be disposed on both sides of the trigger module fastener 3 to fix both sides of the trigger module fastener 3; as a preferred embodiment, two first buckles 9 are provided, which are disposed opposite to each other and are respectively used to fix both sides of the trigger module fastener 3; wherein, both sides of the trigger module fastener 3 are provided with slots corresponding to the first buckles 9, and the stability of the trigger module fastener 3 is ensured by the two first buckles 9 engaging with the corresponding slots.

[0036] Furthermore, the lower plate 2 is also provided with a second liquid injection hole 10, which is located in the middle of the two first buckles 9, and is used to inject electrolyte into the battery; the cover plate 1 is provided with a first liquid injection hole 8, which is correspondingly provided with the second liquid injection hole 10, and is used for liquid injection.

[0037] In this embodiment, the trigger module fastener 3 is an independent structure with an overall U-shaped structure. It is fastened to the trigger module mounting position. Both sides of the trigger module fastener 3 are provided with switch buckles 13, which can limit the trigger module. In addition, the trigger module fastener 3 is also provided with a wire cover 17 at the end near the wire fastener 4 to cover the connected wire.

[0038] In this embodiment, the sensor module mounting position is provided with a plurality of second buckles 12 for fastening the two ends of the sensor module fastener 5. In a preferred embodiment, three second buckles 12 are provided, one of which is fastened to one end of the sensor module fastener 5, and the other two are fastened to the other two ends of the sensor module fastener 5 respectively, to ensure the stability of the sensor module fastener 5.

[0039] In this embodiment, the sensing module fastener 5 is an independent structure, specifically a plate-shaped U-shaped structure. Its upper end (the end away from the lower plate 2) is provided with sensing holes 15 and sensing grooves 16, and both ends are provided with reinforcing ribs. Preferably, the sensing holes 15 are arranged in two rows, and the sensing grooves 16 are arranged between the two rows of sensing holes 15. By providing sensing holes 15 and sensing grooves 16, the sensing module can easily sense the internal state of the battery.

[0040] In this embodiment, the wire mounting position is provided with a wire groove 11 for the wire to pass through. The wire groove 11 is preferably a U-shaped groove with multiple snap-fit ​​slots. The wire fastener 4 has a U-shaped structure and is provided with multiple third snap-fits 14. The third snap-fits 14 can engage with the corresponding snap-fit ​​slots to fix the wire fastener 4 within the wire groove 11. In a preferred embodiment, snap-fit ​​slots are provided at all four corners of the wire groove 11, and four third snap-fits 14 are provided on the wire fastener 4. The four third snap-fits 14 engage with the snap-fit ​​slots in the wire groove 11 to ensure that the wire fastener 4 is fixedly installed within the wire groove 11.

[0041] In this embodiment, the cover plate 1 is further provided with an auxiliary positive terminal 18 and an auxiliary negative terminal 19, which are connected to the positive and negative terminals of the battery. The trigger module is electrically connected to the auxiliary positive terminal 18 and the auxiliary negative terminal 19 to realize the second power supply method. The auxiliary positive terminal 18 and the auxiliary negative terminal 19 are located on the same side of the cover plate 1.

[0042] This embodiment also provides a battery top cover assembly, including a sensing module, a triggering module, and the battery top cover as described above; wherein, the sensing module can be wirelessly connected to an external receiver, thereby enabling the transmission of the monitored battery signal to the receiver.

[0043] In this embodiment, the sensing module can be selected according to specific working needs. For example, the sensing module may include one or more of the following: temperature sensing module, air pressure sensing module, strain sensing module, gas sensing module, pressure sensing module, airflow sensing module, and potential sensing module. All of the above sensing modules are conventional sensing modules in the art and can be selected as needed. For example, the temperature sensing module can be a temperature sensor, and the air pressure sensing module can be an air pressure sensor. In this embodiment, they will not be listed one by one.

[0044] In this embodiment, the trigger module is preferably a normally closed membrane switch, which can be turned on by inserting a sealing pin, thereby connecting the sensing module to the positive and negative terminals of the battery and enabling the sensing module to work normally; when the battery is being tested, the sealing pin is not inserted, so the normally closed membrane switch cannot be turned on, thus avoiding damage to the sensing module during the test.

[0045] This embodiment also provides a battery assembly, including the battery top cover assembly as described above.

[0046] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of ​​this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A battery top cover characterized by: The battery top cover includes a cover plate, a lower plate, a trigger module buckle, a sensing module buckle, a wire buckle, a positive electrode connecting piece and a negative electrode connecting piece; the lower plate is arranged below the cover plate, and the lower plate is provided with a trigger module mounting position, a sensing module mounting position and a wire mounting position; the trigger module buckle is arranged on the trigger module mounting position and used for fixing the trigger module; the sensing module buckle is arranged on the sensing module mounting position and used for fixing the sensing module; the wire buckle is arranged on the wire mounting position and used for fixing the wire; the sensing module is electrically connected with the trigger module through the wire; the positive electrode connecting piece and the negative electrode connecting piece are arranged on the lower plate and are electrically connected with a positive electrode column and a negative electrode column on the cover plate respectively; and the positive electrode connecting piece and the negative electrode connecting piece can be electrically connected with the trigger module.

2. The battery header of claim 1, wherein: The cover plate is further provided with an auxiliary positive electrode column and an auxiliary negative electrode column, and the trigger module is electrically connected with the auxiliary positive electrode column and the auxiliary negative electrode column; the lower plate is a plastic plate, and the cover plate and the lower plate are both square structures.

3. The battery header of claim 1, wherein: A plurality of first buckles are arranged on the trigger module mounting position and are used for being arranged on both sides of the trigger module buckle to fix both sides of the trigger module buckle; both sides of the trigger module buckle are provided with buckle grooves corresponding to the first buckles, and the first buckles are buckled on the corresponding buckle grooves.

4. The battery terminal cover of claim 3, wherein: The lower plate is further provided with a second liquid injection hole located at the middle of the two first buckles, and the cover plate is further provided with a first liquid injection hole corresponding to the second liquid injection hole.

5. The battery cover of claim 3, wherein: Both sides of the trigger module buckle are provided with switch buckles for limiting the trigger module; and one end of the trigger module buckle close to the wire buckle is further provided with a wire cover for covering the wire.

6. The battery header of claim 1, wherein: A plurality of second buckles are arranged on the sensing module mounting position and are used for buckling both ends of the sensing module buckle; the sensing module buckle is provided with a sensing hole and a sensing groove, and both ends of the sensing module buckle are provided with reinforcing ribs.

7. The battery cover of claim 1, wherein: The wire mounting position is provided with a wire groove for the wire to pass through, and a plurality of buckle grooves are arranged on the wire groove; a plurality of third buckles are correspondingly arranged on the wire buckle, and the third buckles can be buckled on the corresponding buckle grooves to fix the wire buckle in the wire groove.

8. A battery top cover assembly characterized by: The battery top cover assembly includes a sensing module, a trigger module and the battery top cover as claimed in any one of claims 1-7.

9. The battery header assembly of claim 8, wherein: The sensing module includes any one or more of a temperature sensing module, an air pressure sensing module, a strain sensing module, a gas sensing module, a pressure sensing module, an air flow sensing module and a potential sensing module; The trigger module is a normally closed membrane switch and is turned on by inserting a sealing nail.

10. A battery assembly characterized by: The battery top cover assembly includes the battery top cover as claimed in claim 8 or 9.

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