Rechargeable battery

Abstract

The rechargeable battery comprises a battery piece, a control piece, a supporting piece, a charging piece and a protection piece, a groove is formed in one end of the battery piece, the control piece is arranged in the groove and electrically connected with the battery piece, the supporting piece is arranged on the battery piece, the charging piece is arranged on the supporting piece, and the control piece is electrically connected with the charging piece. The protection piece covers the supporting piece and the charging piece, the protection piece is provided with a charging port, and the charging piece is exposed out of the charging port. The control piece is arranged in the groove of the battery piece, so that a traditional positive electrode cover structure with a convex outer surface is changed, and the volume of the rechargeable battery can be controlled; in addition, the control piece is located in the groove, so that the supporting piece and the charging piece are additionally arranged, and the overall appearance size of the rechargeable battery is more convenient to adjust.

Description

Technical Field

[0001] This utility model relates to the field of battery technology, specifically to a rechargeable battery. Background Technology

[0002] Lithium battery cells require corresponding protection circuits to function properly. Typically, an external circuit board needs to be added to the cell to provide overcurrent and overvoltage protection. Since the cell itself has a protruding positive electrode cap at the end, adding a circuit board to the side or top of the cell would increase the battery size. Utility Model Content

[0003] In view of the shortcomings of the existing technology, this utility model provides a rechargeable battery.

[0004] The present invention discloses a rechargeable battery comprising: a battery component, a control component, a support component, a charging component, and a protective component. One end of the battery component has a groove, the control component is disposed in the groove and is electrically connected to the battery component, the support component is disposed on the battery component, the charging component is disposed on the support component and is electrically connected to the control component, the protective component covers the support component and the charging component, the protective component has a charging port, and the charging component is exposed to the charging port.

[0005] According to one embodiment of the present invention, the end of the battery component with the groove has a constricted structure.

[0006] According to one embodiment of the present invention, the support member has a receiving groove and a connecting hole. The receiving groove communicates with the charging port, and the connecting hole is disposed in the receiving groove. The control member and the charging member are connected through the connecting hole, and the charging member is disposed in the receiving groove.

[0007] According to one embodiment of the present invention, the charging component includes a circuit board, a socket, and a positive terminal post. The circuit board is disposed on the side of the support member away from the battery member. The circuit board is connected to the control member through a connection hole. The socket is disposed on the circuit board and is located in the receiving groove. The socket is exposed to the charging port. The positive terminal post is disposed on the side of the circuit board away from the battery member and is exposed to the protective member.

[0008] According to one embodiment of the present invention, the protective component also has a through hole, which is connected to the charging port, and one end of the battery component, the control component, the support component, and the charging component are all located in the through hole.

[0009] According to one embodiment of the present invention, the end of the protective component away from the battery component has a limiting edge, which abuts against the circuit board.

[0010] According to one embodiment of the present invention, the battery component includes a housing, a battery cell, a carrier, and an insulator. The battery cell is disposed inside the housing, and the negative terminal of the battery cell is connected to the housing. The carrier is located inside the housing and is connected to the positive terminal of the battery cell. The housing and the carrier are connected through the insulator, and the housing and the carrier together form a groove. The control component is disposed inside the carrier, and current can be conducted between the control component and the carrier.

[0011] According to one embodiment of the present invention, it further includes a first connector and a second connector. The first connector is disposed on the side of the control component away from the battery component, and the second connector is disposed on the side of the charging component close to the battery component. The first connector and the second connector can be snapped together through a connecting hole, and the control component and the charging component are electrically connected through the first connector and the second connector.

[0012] According to one embodiment of the present invention, the control component and the charging component can be electrically connected by soldering wires or ribbon cables.

[0013] According to one embodiment of the present invention, the protective component is sleeved on the end of the battery component that has a constricted structure, and the outer diameter of the protective component is the same as the outer diameter of the battery component.

[0014] The beneficial effects of this utility model are that by placing the control component into the groove of the battery component, the traditional positive electrode cover structure with an outward protrusion is changed, which is conducive to controlling the volume of the rechargeable battery. In addition, the fact that the control component is located in the groove also facilitates the addition of support components and charging components, making it easier to adjust the overall size of the rechargeable battery. Attached Figure Description

[0015] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0016] Figure 1 A three-dimensional structural diagram of a rechargeable battery;

[0017] Figure 2 A breakdown diagram of the rechargeable battery's state;

[0018] Figure 3 Another split state diagram of the rechargeable battery;

[0019] Figure 4 This is a cross-sectional view of a portion of the rechargeable battery structure.

[0020] Explanation of reference numerals in the attached figures

[0021] 1. Battery component; 11. Groove; 12. Housing; 13. Battery cell; 14. Carrier; 15. Insulator;

[0022] 2. Control components;

[0023] 3. Support component; 31. Receiving groove; 32. Connecting hole;

[0024] 4. Charging component; 41. Circuit board; 42. Socket; 43. Positive terminal;

[0025] 5. Protective components; 51. Charging port; 52. Through hole; 53. Limiting edge;

[0026] 6. First connecting component;

[0027] 7. Second connector;

[0028] 8. Current cut-off device. Detailed Implementation

[0029] The following drawings will disclose several embodiments of this utility model. For clarity, many practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit this utility model. That is, in some embodiments of this utility model, these practical details are not essential. In addition, for the sake of simplicity, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0030] Furthermore, in this utility model, the use of terms such as "first" and "second" is for descriptive purposes only and does not specifically refer to any order or sequence, nor is it intended to limit the utility model. They are merely used to distinguish components or operations described with the same technical terms and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but only if they are feasible for those skilled in the art. If a combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0031] like Figures 1-4 As shown, Figure 1 A three-dimensional structural diagram of a rechargeable battery; Figure 2 A breakdown diagram of the rechargeable battery's state; Figure 3 Another split state diagram of the rechargeable battery; Figure 4This is a cross-sectional view of a portion of the rechargeable battery structure. The rechargeable battery includes a battery component 1, a control component 2, a support component 3, a charging component 4, and a protection component 5. The control component 2 is disposed on the battery component 1 and electrically connected to it. The support component 3 is disposed on the battery component 1, and the charging component 4 is disposed on the support component 3, and is electrically connected to the control component 2. The protection component 5 is sleeved on the outside of the charging component 4 and the support component 3. Specifically, the control component 2 is an existing circuit board with relevant electronic components for providing overcurrent and overvoltage protection for the rechargeable battery. It also has corresponding circuit modules for charging and discharging; details will not be elaborated here. The charging component 4 acts as a conductor. When an external power source is connected to the charging component 4, the control component 2 is connected to the external power source through the charging component 4, and current can be conducted to achieve charging.

[0032] Battery component 1 includes a housing 12, a battery cell 13, a carrier 14, and an insulator 15. The housing 12 has a hollow structure. The battery cell 13 is disposed inside the housing 12, with its negative terminal connected to the bottom end of the housing 12. The carrier 14 is disposed at the end of the housing 12 away from the battery cell 13 and is located inside the housing 12. The positive terminal of the battery cell 13 is connected to the carrier 14. The insulator 15 is disposed between the housing 12 and the carrier 14, preventing current from flowing between them. Furthermore, the housing 12 and the carrier 14 together form a groove 11, which is a recessed structure formed by the end of the housing 12. A control component 2 is placed within the groove 11, and current can be conducted between the control component 2, the carrier 14, and the positive terminal of the battery cell 13. Preferably, a current interruption device 8 (CID) is also provided between the carrier 14 and the battery cell 13, which protects the rechargeable battery. The current interruption device 8 in this embodiment is an existing product, therefore, its detailed structure will not be described.

[0033] The support member 3 is disposed at one end of the housing 12, and the support member 3 is located on the side of the control member 2 away from the battery cell 13. The support member 3 has a receiving groove 31, and part of the structure of the charging member 4 is disposed in the receiving groove 31. Furthermore, the support member 3 also has a connecting hole 32, which is located in the receiving groove 31, and the control member 2 and the charging member 4 are connected through the connecting hole 32.

[0034] The charging component 4 includes a circuit board 41, a socket 42, and a positive terminal 43. The circuit board 41 is located on the side of the support 3 away from the control component 2. The socket 42 is located on the side of the circuit board 41 facing the control component 2 and is located in the receiving groove 31. The positive terminal 43 is located on the side of the circuit board 41 away from the control component 2. The positive terminal 43 can be exposed at the end of the protective component 5 to serve as the positive terminal of the rechargeable battery.

[0035] In practical applications, the rechargeable battery also includes a first connector 6 and a second connector 7. The first connector 6 is located on the side of the control unit 2 away from the battery cell 13, and the second connector 7 is located on the side of the circuit board 41 facing the control unit 2. Both the first connector 6 and the second connector 7 can pass through the connection hole 32 and can be snapped together. After the first connector 6 and the second connector 7 are connected, current conduction between the control unit 2 and the circuit board 41 can be realized.

[0036] In another embodiment, the control unit 2 and the circuit board 41 can also be connected by existing soldering or ribbon cable methods, such as using common wires, with the wires passing through the connection hole 32 and the two ends of the wires respectively connected to the control unit 2 and the circuit board 41.

[0037] The protective component 5 has a charging port 51 and a through hole 52. The charging port 51 is located on the side wall of the protective component 5, and the through hole 52 is located along the axial direction of the protective component 5. The charging port 51 communicates with the through hole 52. After the protective component 5 is fitted over the support component 3 and the charging component 4, the charging port 51 communicates with the receiving groove 31, and the socket 42 can be exposed in the charging port 51 to facilitate the insertion of an external power source into the socket 42. The positive terminal 43 of the charging component 4 is exposed through the through hole 52 at the end of the protective component 5 away from the housing 12. Furthermore, the protective component 5 also has a limiting edge 53, which is located at the end of the protective component 5 away from the housing 12 and extends toward the center of the through hole 52. The limiting edge 53 abuts against the circuit board 41 to limit the circuit board 41.

[0038] In practical use, the charging component 4 and the support component 3 can be pre-installed into the protective component 5, and then assembled as a whole to the end of the outer casing. Taking the case with a first connector 6 and a second connector 7 as an example, the support component 3 and the charging component 4 are pre-assembled into the protective component 5, and then the second connector 7, which is set on the circuit board 41, is assembled towards the first connector 6 near the control component 2. Assembly can be completed simply by snapping the first connector 6 and the second connector 7 together, which helps to improve production efficiency.

[0039] Preferably, the end of the housing 12 away from the battery cell 13 has a constricted structure, that is, the outer diameter of this end of the housing 12 is L, the outer diameter of the middle part of the housing 12 is S, L < S, the outer diameter of the protective member 5 is close to the outer diameter of the middle part of the housing 12, and when the protective member 5 is fitted onto the end of the housing 12, the outer surface of the protective member 5 is spliced ​​with the outer surface of the housing 12. Since the two are close in size, the overall shape of the rechargeable battery is similar to a one-piece structure.

[0040] In summary, placing the control component 2 into the groove 11 of the battery component 1 changes the traditional positive electrode cover structure with an outward protrusion, which is beneficial for controlling the volume of the rechargeable battery. In addition, the location of the control component 2 in the groove 11 also facilitates the addition of the support component 3 and the charging component 4, making it easier to adjust the overall size of the rechargeable battery.

[0041] The above description is merely an embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.

Claims

1. A rechargeable battery, characterized by The utility model relates to a battery piece (1), control piece (2), support piece (3), charging piece (4) and protection piece (5), one end of battery piece (1) has recess (11), control piece (2) is arranged in recess (11), and control piece (2) is electrically connected with battery piece (1), support piece (3) is arranged in battery piece (1), charging piece (4) is arranged in support piece (3), and control piece (2) is electrically connected with charging piece (4), protection piece (5) covers support piece (3) and charging piece (4), and protection piece (5) has charging port (51), and charging piece (4) is exposed to charging port (51). One end of battery piece (1) that recess (11) is set up is in the structure of necking.

2. The rechargeable battery of claim 1, wherein Support piece (3) has accommodating groove (31) and connecting hole (32), accommodating groove (31) is communicated with charging port (51), connecting hole (32) is arranged in accommodating groove (31), control piece (2) and charging piece (4) are connected through connecting hole, and charging piece (4) is arranged in accommodating groove (31).

3. The rechargeable battery of claim 1, wherein Charging piece (4) includes circuit board (41), socket (42) and positive pole column (43), circuit board (41) is arranged in the side of support piece (3) away from battery piece (1), circuit board (41) is connected with control piece (2) through connecting hole (32), socket (42) is arranged in circuit board (41), and socket (42) is located in accommodating groove (31), socket (42) is exposed to charging port (51), positive pole column (43) is arranged in the side of circuit board (41) away from battery piece (1), and positive pole column (43) is exposed to protection piece (5).

4. The rechargeable battery of claim 3, wherein Protection piece (5) also has through -hole (52), and through -hole (52) is communicated with charging port (51), and one end of battery piece (1), control piece (2), support piece (3) and charging piece (4) are located in through -hole (52).

5. The rechargeable battery of claim 4, wherein The end of protection piece (5) away from battery piece (1) has limit edge (53), and limit edge (53) is in contact with circuit board (41).

6. The rechargeable battery of claim 5, wherein Battery piece (1) includes shell (12), electric core (13), carrier (14) and insulator (15), electric core (13) is arranged in shell (12), the negative pole end of electric core (13) is connected shell (12), carrier (14) is located in shell (12), and carrier (14) is connected the positive pole end of electric core (13), and shell (12) and carrier (14) are connected through insulator (15), and shell (12) and carrier (14) jointly constitute recess (11);Control piece (2) is arranged in carrier (14), and control piece (2) and carrier (14) can conduct current between.

7. The rechargeable battery of any of claims 1-6, wherein It also includes first connecting piece (6) and second connecting piece (7), first connecting piece (6) is arranged in the side of control piece (2) away from battery piece (1), second connecting piece (7) is arranged in the side of charging piece (4) close to battery piece (1), and first connecting piece (6) and second connecting piece (7) can be clamped through connecting hole (32), and control piece (2) and charging piece (4) are electrically connected through first connecting piece (6) and second connecting piece (7).

8. The rechargeable battery of claim 3, wherein ​ 9. The rechargeable battery of any of claims 1-6, wherein The control member (2) and the charging member (4) can be electrically connected by welding wires or flat cables.

10. The rechargeable battery of claim 2, wherein The protection member (5) is sleeved on one end of the battery member (1) provided with a necked structure, and the outer diameter of the protection member (5) is the same as that of the battery member (1).

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