Battery and electric equipment

Abstract

The utility model discloses a battery and electric equipment. The battery includes: a housing; the battery cell is arranged in the shell; and the contact mechanism comprises a limiting piece and an output end plate piece, the limiting piece is arranged at the port part of the shell, the output end plate piece is assembled on the limiting piece, and the output end plate piece is electrically connected with the positive electrode and / or the negative electrode of the battery cell. According to the utility model, the output end plate piece is fixed at the port part of the shell through the limiting piece, so that the output end plate piece is prevented from inclining, the battery cell can be reliably and electrically connected with electric equipment through the output end plate piece, and the situation that the battery cell is pressed down by the output end plate piece is effectively avoided; therefore, the battery cell is prevented from being subjected to external force, and the safety risk that the battery cell is scratched or punctured and the like is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a battery and an electrical device using the same. Background Art

[0002] At present, replaceable batteries with soft-pack battery cells mainly have two forms. One is a battery with a plug and a connector for output, and the other is a battery with an FPC and a connector for output. Both of the above two structures have the following defects: high cost, and they need to rely on connection methods such as bolts and / or adhesives to achieve replacement in an electrical device, and the soft-pack battery cells are easily damaged during the replacement process. Therefore, some manufacturers on the market accommodate the soft-pack battery cells in a steel shell and detachably connect to the electrical device through a contact plate to avoid easily damaging the soft-pack battery cells during the replacement process. However, the contact plate is not effectively fixed and is prone to skew, causing the contact plate to press down on the soft-pack battery cell, resulting in safety risks such as the soft-pack battery cell being scratched or punctured. Summary of the Utility Model

[0003] In order to overcome at least one of the above-mentioned defects of the prior art, the utility model provides a battery, which can effectively prevent the output terminal plate from pressing down on the battery cell, ensure that the battery cell is not subject to external force, and reduce safety risks such as the battery cell being scratched or punctured.

[0004] A battery according to an embodiment of the utility model includes: a housing; a battery cell disposed within the housing; a contact mechanism including a limiting member and an output terminal plate, the limiting member being disposed at a port portion of the housing, the output terminal plate being assembled to the limiting member, and the output terminal plate being electrically connected to the positive electrode and / or negative electrode of the battery cell.

[0005] In this battery, the output terminal plate is fixed to the port portion of the housing through the limiting member, preventing the output terminal plate from skewing, enabling the battery cell to form a reliable electrical connection with the electrical device through the output terminal plate, effectively preventing the output terminal plate from pressing down on the battery cell, ensuring that the battery cell is not subject to external force, and reducing safety risks such as the battery cell being scratched or punctured.

[0006] According to some embodiments of the utility model, the housing includes a first housing having a first assembly groove and a second housing having a second assembly groove, the first housing being connected to the second housing, and the first assembly groove and the second assembly groove forming a receiving cavity having the port portion, and the battery cell being assembled in the receiving cavity.

[0007] According to some embodiments of the utility model, the first housing is provided with a first connecting member, and the second housing is provided with a second connecting member that cooperates with the first connecting member for connection.

[0008] According to some embodiments of the present utility model, the limiting member includes a first limiting groove and a second limiting groove. The first limiting groove is disposed on one side of the first assembly groove close to the port portion, and the second limiting groove is disposed on one side of the second assembly groove close to the port portion. Both the first limiting groove and the second limiting groove are cooperatively connected with the output end plate member.

[0009] According to some embodiments of the present utility model, it further includes a sleeve, and the sleeve is sleeved on the outer side of the housing.

[0010] According to some embodiments of the present utility model, it further includes a filling member, and the filling member is disposed between the battery cell and the housing.

[0011] According to some embodiments of the present utility model, the output end plate member includes a positive terminal, a negative terminal, and a substrate. The positive terminal and the negative terminal are spaced apart on the substrate, and the substrate is assembled to the limiting member. The positive electrode of the battery cell is electrically connected to the positive terminal, and the negative electrode of the battery cell is electrically connected to the negative terminal.

[0012] According to some embodiments of the present utility model, it further includes an insulating partition member, and the insulating partition member is disposed between the positive terminal and the negative terminal.

[0013] According to some embodiments of the present utility model, the port portions are provided on two opposite sides of the housing, and the limiting members are provided on both of the two port portions. The output end plate members are assembled to both of the two limiting members. One of the output end plate members is electrically connected to the positive electrode of the battery cell, and the other output end plate member is electrically connected to the negative electrode of the battery cell.

[0014] Based on the same inventive concept, the present utility model further provides an electrical device, including the battery as described above.

[0015] In summary, the battery provided by the present utility model has the following technical effects:

[0016] The output end plate member is fixed to the port portion of the housing through the limiting member, preventing the output end plate member from being skewed, so that the battery cell can form a reliable electrical connection with the electrical device through the output end plate member, and effectively avoiding the output end plate member from pressing down the battery cell, ensuring that the battery cell is not subject to external force, and reducing safety risks such as the battery cell being scratched or punctured. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of the battery according to an embodiment of the present utility model;

[0018] Figure 2Explosion structure diagram of the battery according to the first embodiment of the present utility model;

[0019] Figure 3 Explosion structure diagram of the battery according to the second embodiment of the present utility model.

[0020] Among them, the meanings of the reference numerals are as follows:

[0021] 1. Outer shell; 11. First housing; 111. First assembly groove; 112. First connecting member; 12. Second housing; 121. The second assembly groove; 122. Second connecting member; 2. Electric core; 3. Contact mechanism; 31. Limiting member; 311. First limiting groove; 312. Second limiting groove; 32. Output terminal plate; 321. Positive terminal; 322. Negative terminal; 323. Substrate; 324. Insulating partition; 4. Sleeve. Detailed implementation manners

[0022] For better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0023] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments, and are not intended to limit the present utility model.

[0025] Embodiment 1:

[0026] Refer to Figure 1 and Figure 2, the present utility model discloses a battery. The battery includes a housing 1, a battery cell 2, and a contact mechanism 3; in this embodiment, the battery cell 2 is disposed within the housing 1; the contact mechanism 3 includes a limiting member 31 and an output end plate member 32, the limiting member 31 is disposed at the port portion of the housing 1, the output end plate member 32 is assembled to the limiting member 31, and the output end plate member 32 is electrically connected to the positive electrode and / or negative electrode of the battery cell 2. Preferably, the output end plate member 32 is fixed to the port portion of the housing 1 by the limiting member 31 to prevent the output end plate member 32 from being skewed, so that the battery cell 2 can form a reliable electrical connection with the electrical device through the output end plate member 32, and effectively avoid the output end plate member 32 pressing down on the battery cell 2, ensuring that the battery cell 2 is not subject to external forces, and reducing safety risks such as the battery cell 2 being scratched or punctured.

[0027] Furthermore, the battery cell 2 is a soft-pack battery cell 2, and the input terminal of the electrical device contacts and conducts with the output end plate member 32 to obtain the electrical energy of the soft-pack battery cell 2. Preferably, by disposing the soft-pack battery cell 2 within the housing 1, the housing 1 fixes and protects the soft-pack battery cell 2. At the same time, the positive electrode and / or negative electrode of the soft-pack battery cell 2 is electrically connected to the output end plate member 32, and the limiting member 31 fixes the output end plate member 32 to the port portion of the housing 1 to prevent the output end plate member 32 from being skewed, so that the battery cell 2 within the housing 1 can form a reliable electrical connection with the electrical device through the output end plate member 32, effectively avoiding the output end plate member 32 pressing down on the battery cell 2, ensuring that the battery cell 2 is not subject to external forces, reducing safety risks such as the battery cell 2 being scratched or punctured, and further realizing the detachable connection between the soft-pack battery cell 2 and the electrical device, enabling the electrical device to replace the battery.

[0028] Refer to Figure 1 and Figure 2, in this embodiment, the output end plate 32 includes a positive terminal 321, a negative terminal 322 and a substrate 323. The positive terminal 321 and the negative terminal 322 are spaced apart on the substrate 323. The substrate 323 is assembled to the limiting member 31. The positive electrode of the battery cell 2 is electrically connected to the positive terminal 321, and the negative electrode of the battery cell 2 is electrically connected to the negative terminal 322. In this way, a port portion is opened at any one end of the housing 1, and the substrate 323 is disposed in the port portion through the limiting member 31, so that the positive terminal 321 and the negative terminal 322 are both disposed at the same end of the housing 1; optionally, both the positive terminal 321 and the negative terminal 322 penetrate through the substrate 323 and are respectively electrically connected to the positive electrode and the negative electrode of the battery cell 2; optionally, both the positive terminal 321 and the negative terminal 322 are disposed at one end of the substrate 323 away from the battery cell 2, and a positive connection block and a negative connection block are disposed at one end of the substrate 323 close to the battery cell 2. The positive connection block is connected to the positive terminal 321, and the negative connection block is connected to the negative terminal 322. Preferably, the positive electrode of the battery cell 2 is welded to the positive connection block, and the negative electrode of the battery cell 2 is welded to the negative connection block to realize the electrical connection between the positive electrode of the battery cell 2 and the positive terminal 321, and the electrical connection between the negative electrode of the battery cell 2 and the negative terminal 322; optionally, a conductor is disposed between one of the positive electrode and the negative electrode of the battery cell 2 that is far from the substrate 323 and the substrate 323. Taking the positive electrode of the battery cell 2 being close to the substrate 323 as an example, the positive electrode of the battery cell 2 is welded to the positive connection block, the negative electrode of the battery cell 2 is welded to one end of the conductor, and the other end of the conductor is welded to the negative connection block.

[0029] Refer to Figure 1 and Figure 2 , in this embodiment, an insulating partition 324 is further included. The insulating partition 324 is disposed between the positive terminal 321 and the negative terminal 322. Optionally, the positive terminal 321 and the negative terminal 322 are arranged at intervals in the radial direction, and the insulating partition 324 is disposed between the positive terminal 321 and the negative terminal 322; optionally, one of the positive terminal 321 and the negative terminal 322 is sleeved around the other, and the insulating partition 324 is disposed between the positive terminal 321 and the negative terminal 322, so that the insulating partition 324 forms an effective physical isolation for the positive terminal 321 and the negative terminal 322, preventing the positive terminal 321 and the negative terminal 322 from contacting to form a short circuit and causing a safety accident.

[0030] Refer to Figure 1 and Figure 2, in this embodiment, the housing 1 includes a first housing 11 having a first assembly groove 111 and a second housing 12 having a second assembly groove. The first housing 11 is connected to the second housing 12, and the first assembly groove 111 and the second assembly groove 121 form a receiving cavity having the port portion, and the battery cell 2 is assembled in the receiving cavity. Preferably, the housing 1 is formed by splicing the first housing 11 and the second housing 12. When the first housing 11 and the second housing 12 are spliced, the first assembly groove 111 and the second assembly groove 121 are disposed opposite to each other and communicate with each other to form a receiving cavity having the port portion. Further, the first assembly groove 111 penetrates through one end of the first housing 11, and the second assembly groove 121 penetrates through one end of the second housing 12, so that the first housing 11 and the second housing 12 are spliced into the housing 1 having one port portion; when assembling the battery, the first housing 11 and the second housing 12 are respectively sleeved on the left and right sides of the battery cell 2, and at the same time, the output end plate 32 is fixed to the port portion through the limiting member 31, so that the battery cell 2 is completely wrapped in the receiving cavity surrounded by the first assembly groove 111 and the second assembly groove 121; optionally, the shape and size of the receiving cavity are adapted to the shape and size of the battery cell 2, so that the battery cell 2 can be reliably fixed in the receiving cavity; further, both the first housing 11 and the second housing 12 are made of plastic materials, so that the housing 1 has insulation performance and avoids leakage accidents such as the housing 1 being charged.

[0031] In this embodiment, a filler is further included, and the filler is disposed between the battery cell 2 and the housing 1. Optionally, the filler can be made of PVC material, rubber material, etc. By providing the filler between the battery cell 2 and the housing 1, the battery cell 2 is urged to closely cooperate with the receiving cavity inside the housing 1, so that the battery cell 2 can be stably assembled in the receiving cavity inside the housing 1, and at the same time, the filler can buffer and shock-absorb the battery cell 2, reducing the impact of the force acting on the housing 1 in cases such as collision and fall on the battery cell 2, and improving the protection of the housing 1 for the battery cell 2.

[0032] Refer to Figure 2, in this embodiment, the limiting member 31 includes a first limiting groove 311 and a second limiting groove 312. The first limiting groove 311 is disposed on one side of the first assembly groove 111 close to the port portion, and the second limiting groove 312 is disposed on one side of the second assembly groove 121 close to the port portion. Both the first limiting groove 311 and the second limiting groove 312 are in mating connection with the output end plate member 32. Optionally, the first limiting groove 311 is formed by the inner side wall of the first assembly groove 111 recessing away from the accommodating cavity, and the second limiting groove 312 is formed by the inner side wall of the second assembly groove 121 recessing away from the accommodating cavity. Preferably, at least two protruding structures are arranged at intervals on one side of the first assembly groove 111 close to the port portion, so that adjacent protruding structures are spaced apart to form the first limiting groove 311. Similarly, at least two protruding structures are arranged at intervals on one side of the second assembly groove 121 close to the port portion, so that adjacent protruding structures are spaced apart to form the second limiting groove 312. Preferably, when assembling the battery, one side of the substrate 323 can be first snapped into the first limiting groove 311, and at the same time, the first housing 11 is sleeved on one side of the battery cell 2. Then, the other side of the substrate 323 is snapped into the second limiting groove 312, and at the same time, the second housing 12 is sleeved on the other side of the battery cell 2, so as to drive the battery cell 2 to be completely wrapped in the accommodating cavity. Moreover, both the first limiting groove 311 and the second limiting groove 312 are in mating connection with the output end plate member 32, so as to fix the substrate 323 to the port portion of the housing 1, prevent the output end plate member 32 from being skewed, enable the battery cell 2 to form a reliable electrical connection with the electrical device through the positive terminal 321 and the negative terminal 322 on the substrate 323, and effectively avoid the substrate 323 pressing down the battery cell 2, ensure that the battery cell 2 is not subject to external force, and reduce the safety risks such as the battery cell 2 being scratched or punctured. Further, the battery cell 2 can also be limited by the protruding structures to avoid the battery cell 2 colliding with the output end plate member 32, thereby improving the protection of the battery cell 2.

[0033] Refer to Figure 2, in this embodiment, the first housing 11 is provided with a first connecting member 112, and the second housing 12 is provided with a second connecting member 122 that cooperates with and connects to the first connecting member 112. Optionally, the first connecting member 112 can be one or more of a snap, a protrusion, a groove, a plug, and a keyhole, etc. Correspondingly, the second connecting member 122 is one or more of a snap, a groove, a protrusion, a keyhole, and a plug, etc. that cooperate with and connect to the first connecting member 112; optionally, several of the first connecting members 112 are distributed on both sides where the first housing 11 abuts against the second housing 12, and several of the second connecting members 122 are distributed on both sides where the second housing 12 abuts against the first housing 11. Preferably, when the first housing 11 and the second housing 12 are spliced, they are cooperatively connected through the first connecting member 112 and the second connecting member 122, driving the first housing 11 and the second housing 12 to be closely attached and connected into a stable whole, so as to reliably wrap the battery cell 2 in the accommodation cavity.

[0034] Refer to Figure 1 and Figure 2 , in this embodiment, it further includes a sleeve 4, and the sleeve 4 is sleeved on the outside of the housing 1. Optionally, the sleeve 4 can be made of PVC material. Preferably, by sleeving the sleeve 4 on the outside of the housing 1, the sleeve 4 can be driven to fix the first housing 11 and the second housing 12, prevent the first housing 11 and the second housing 12 from bouncing due to accidents such as collisions and falls, and can use the sleeve 4 to play a buffering and shock-absorbing role in the event of accidents such as collisions and falls, reducing the damage caused by accidents.

[0035] Refer to Figure 1 and Figure 2, when assembling the battery, one side of the substrate 323 can be first snapped into the first limiting groove 311, and at the same time, the first housing 11 is sleeved on one side of the battery cell 2. Then, the other side of the substrate 323 is snapped into the second limiting groove 312, and at the same time, the second housing 12 is sleeved on the other side of the battery cell 2. The first housing 11 and the second housing 12 are tightly attached and connected into a stable whole by the cooperation of the first connecting member 112 and the second connecting member 122, so as to reliably wrap the battery cell 2 in the accommodating cavity. Then, the sleeve 4 is sleeved on the outer side of the housing 1, so that the sleeve 4 can fix the first housing 11 and the second housing 12, prevent the first housing 11 and the second housing 12 from bouncing due to accidents such as collision and falling, and can play a buffering and shock-absorbing role when accidents such as collision and falling occur by using the sleeve 4, reducing the damage caused by accidents. Furthermore, the substrate 323 is fixed to the port part of the housing 1, preventing the output end plate 32 from being skewed, so that the battery cell 2 can form a reliable electrical connection with the electrical equipment through the positive terminal 321 and the negative terminal 322 on the substrate 323, and effectively avoiding the substrate 323 pressing down on the battery cell 2, ensuring that the battery cell 2 is not subject to external force and reducing the safety risks such as the battery cell 2 being scratched or punctured.

[0036] Embodiment 2:

[0037] Refer to Figure 1 and Figure 3, the main difference between this embodiment and the first embodiment is that: the port parts are provided on both opposite sides of the outer shell 1, the limiting members 31 are provided on both of the two port parts, and the output end plate members 32 are assembled on both of the two limiting members 31. One of the output end plate members 32 is electrically connected to the positive electrode of the battery cell 2, and the other output end plate member 32 is electrically connected to the negative electrode of the battery cell 2. That is, the first assembly groove 111 penetrates through both opposite sides of the first housing 11, and the second assembly groove 121 penetrates through both opposite sides of the second housing 12, so that the first housing 11 and the second housing 12 are spliced into the outer shell 1 having the port parts on both opposite sides. In this embodiment, the output end plate member 32 is made of a conductor, such as a metal conductor; optionally, the first limiting groove 311 is formed by the inner side wall of the first assembly groove 111 recessing away from the accommodating cavity, and the second limiting groove 312 is formed by the inner side wall of the second assembly groove 121 recessing away from the accommodating cavity; preferably, the first limiting grooves 311 are provided on both opposite sides of the first assembly groove 111, and the second limiting grooves 312 are provided on both opposite sides of the second housing 12. Optionally, at least two protruding structures are arranged at intervals on both opposite sides of the first assembly groove 111, so that the adjacent protruding structures are spaced apart to form the first limiting groove 311. Similarly, at least two protruding structures are arranged at intervals on both opposite sides of the second assembly groove 121, so that the adjacent protruding structures are spaced apart to form the second limiting groove 312.When assembling the battery, one side of each of the two output end plates 32 can be respectively snapped into the first limiting grooves 311 on two opposite sides of the first housing 11. At the same time, the first housing 11 is sleeved on one side of the battery cell 2. Then, the other side of each of the two output end plates 32 is respectively snapped into the second limiting grooves 312 on two opposite sides of the second housing 12. At the same time, the second housing 12 is sleeved on the other side of the battery cell 2, and the first connecting member 112 and the second connecting member 122 are cooperatively connected to drive the first housing 11 and the second housing 12 to be closely attached and connected into a stable whole, so as to realize reliably wrapping the battery cell 2 in the accommodation cavity. Then, the sleeve 4 is sleeved on the outer side of the outer shell 1 to drive the sleeve 4 to be able to fix the first housing 11 and the second housing 12, prevent the first housing 11 and the second housing 12 from bouncing off due to accidents such as collision and falling, and be able to use the sleeve 4 to play a buffering and shock-absorbing role in case of accidents such as collision and falling, reduce the damage caused by accidents, and further realize respectively fixing the two output end plates 32 to the two port parts of the outer shell 1, prevent any one of the output end plates 32 from being skewed, so that the positive and negative electrodes of the battery cell 2 can respectively form a reliable electrical connection with the electrical equipment through the two output end plates 32, and effectively avoid any one of the output end plates 32 pressing down the battery cell 2, ensure that the battery cell 2 is not subject to external force, and reduce the safety risks such as the battery cell 2 being scratched or punctured.

[0038] Embodiment 3:

[0039] This embodiment discloses an electrical equipment, including the battery as described in Embodiment 1 or Embodiment 2.

[0040] The technical means disclosed by the solution of the present utility model are not limited to the technical means disclosed in the above embodiments, but also include the technical solutions composed of any combination of the above technical features. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and retouches can be made, and these improvements and retouches are also regarded as the protection scope of the present utility model.

Claims

1. A battery, characterized in that, Comprising: A housing (1); A battery cell (2), which is disposed within the housing (1); A contact mechanism (3), the contact mechanism (3) comprising a limiting member (31) and an output end plate member (32), the limiting member (31) being disposed at a port portion of the housing (1), the output end plate member (32) being assembled to the limiting member (31), and the output end plate member (32) being electrically connected to the positive electrode and / or negative electrode of the battery cell (2).

2. The battery according to claim 1, characterized in that: The housing (1) comprises a first housing body (11) having a first assembly groove (111) and a second housing body (12) having a second assembly groove, the first housing body (11) being connected to the second housing body (12), and the first assembly groove (111) and the second assembly groove (121) forming a receiving cavity having the port portion, the battery cell (2) being assembled in the receiving cavity.

3. The battery according to claim 2, wherein: The first housing body (11) is provided with a first connecting member (112), and the second housing body (12) is provided with a second connecting member (122) that cooperates with the first connecting member (112) for connection.

4. The battery according to claim 2, wherein: The limiting member (31) comprises a first limiting groove (311) and a second limiting groove (312), the first limiting groove (311) being disposed on one side of the first assembly groove (111) close to the port portion, the second limiting groove (312) being disposed on one side of the second assembly groove (121) close to the port portion, and both the first limiting groove (311) and the second limiting groove (312) being in cooperation connection with the output end plate member (32).

5. The battery according to claim 1, characterized in that: Further comprising a sleeve (4), the sleeve (4) being sleeved on the outer side of the housing (1).

6. The battery according to claim 1, wherein: Further comprising a filling member, the filling member being disposed between the battery cell (2) and the housing (1).

7. The battery according to any one of claims 1-6, characterized in that: The output end plate member (32) comprises a positive terminal (321), a negative terminal (322) and a substrate (323), the positive terminal (321) and the negative terminal (322) being spaced apart and distributed on the substrate (323), the substrate (323) being assembled to the limiting member (31), the positive electrode of the battery cell (2) being electrically connected to the positive terminal (321), and the negative electrode of the battery cell (2) being electrically connected to the negative terminal (322).

8. The battery according to claim 7, characterized in that: Further comprising an insulating partition member (324), the insulating partition member (324) being disposed between the positive terminal (321) and the negative terminal (322).

9. The battery according to any one of claims 1-6, characterized in that: Port portions are provided on both opposite sides of the housing (1), the limiting member (31) is provided at both of the two port portions, the output end plate member (32) is assembled to both of the two limiting members (31), one of the output end plate members (32) is electrically connected to the positive electrode of the battery cell (2), and the other output end plate member (32) is electrically connected to the negative electrode of the battery cell (2).

10. An electrical device, characterized in that: Comprising the battery according to any one of claims 1-9.

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