CN216698531U

CN216698531U - Rechargeable battery

Info

Publication number: CN216698531U
Application number: CN202220150312.0U
Authority: CN
Inventors: 涂光荣
Original assignee: Shenzhen Yuyuanxin Electronic Technology Co ltd
Current assignee: Shenzhen Yuyuanxin Electronic Technology Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-06-07
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses a rechargeable battery, which comprises a charging seat body, a charging seat body and a charging seat body, wherein the charging seat body comprises a shell, an electric energy component for storing electricity and discharging electricity, and a positive terminal and a negative terminal which are electrically connected with the electric energy component, the positive terminal and the negative terminal are positioned on two sides of the shell, the shell comprises a first insulating part and a conducting part, the first insulating part is connected with the positive terminal, and the conducting part is electrically connected with the negative terminal; or the first insulating part is connected with the negative electrode end, and the conductive part is electrically connected with the positive electrode end; the utility model provides a rechargeable battery, and aims to improve the convenience of loading and unloading the battery when the battery is charged and reduce the charging risk.

Description

Rechargeable battery

Technical Field

The application belongs to the technical field of charging, and particularly relates to a rechargeable battery.

Background

The battery charger is an electronic device for charging rechargeable batteries used for electric vehicles, electric tools, electric games, notebook computers, photovoltaic, digital and small portable electronic devices and electronic appliances, and generally comprises a shell, a power supply conversion part, a charging detection part, a charging protection part and the like. The output type is pure direct current or pulsating direct current. According to the connection mode, the device can be divided into a wall-inserting type and a desktop type. And can be divided into a nickel-cadmium battery charger, a nickel-hydrogen battery charger, a nickel-zinc battery charger, a lead-acid battery charger, a lithium battery charger and a lithium iron phosphate charger according to the types of the charged batteries.

When the existing charger charges the battery, the charger is generally in contact with the negative electrode of the battery by adopting the spring, and the spring generates a pretightening force for the negative electrode of the battery, so that the battery can be taken out or put in by applying enough force by a user when the battery is taken and placed, and the use experience of a consumer is greatly influenced. In addition, a user can easily install the battery on the charger in a reversed mode, the similar charger judges the load in a mode of identifying the resistor, and when the battery is installed in a reversed mode, the temperature of the battery is easy to rise, so that danger is generated.

Disclosure of Invention

The utility model mainly aims to solve the problems and provides a rechargeable battery, and aims to improve the convenience of loading and unloading the battery and reduce the charging risk when the battery is charged.

To achieve the above object, the present invention provides a rechargeable battery including a case, an electric energy part for storing and discharging electricity, and a positive terminal and a negative terminal electrically connected to the electric energy part, the positive terminal and the negative terminal being located at both sides of the case, the case including a first insulating portion and a conductive portion, wherein:

the first insulating part is connected with the positive terminal, and the conductive part is electrically connected with the negative terminal; or:

the first insulating part is connected with the negative electrode end, and the conductive part is electrically connected with the positive electrode end.

Further, the housing further includes a second insulating portion, the conductive portion is located inside the first insulating portion or the second insulating portion, and a notch for exposing the conductive portion is formed between the first insulating portion and the second insulating portion.

Further, the rechargeable battery is substantially cylindrical.

Further, the notch is provided on a side close to the positive electrode terminal or the negative electrode terminal.

Further, the first insulating part and/or the second insulating part are/is a plastic package jacket.

Compared with the prior art, the rechargeable battery provided by the utility model has the advantages that the conductive part electrically connected with the positive electrode end or the negative electrode end is arranged on the side wall of the battery, so that the battery can be placed into the charger in a vertical mode for charging, and the charging convenience is improved.

Drawings

Fig. 1 is a perspective view of a battery charging seat disclosed in the present application.

Fig. 2 is an exploded view of a battery charging cradle according to the present disclosure.

Fig. 3 is a schematic view of a connection structure between a PCB main board and a battery fixing member.

Fig. 4 is a schematic perspective view of a battery holder.

Fig. 5 is another angle structure diagram of the battery holder.

Fig. 6 is a schematic perspective view of the negative electrode charging unit.

Fig. 7 is a schematic perspective view of a rechargeable battery according to a first embodiment of the disclosure.

Fig. 8 is a schematic cross-sectional structure diagram of a lithium battery according to a first embodiment disclosed in the present application.

Fig. 9 is a schematic structural diagram of a lithium battery according to a second embodiment disclosed in the present application.

Fig. 10 is a schematic structural diagram of a nickel-metal hydride battery disclosed in the present application.

Reference numerals shown in the drawings: 1. a charging seat body; 2. a PCB main board; 3. a positive electrode charging section; 4. a negative electrode charging section; 5. a battery case; 6. a battery holder; 7. an indicator light; 8. a battery; 10. an upper cover; 11. a base; 40. a negative film; 41. a projectile head; 42. connecting sheets; 60. a limiting part; 61. an elastic binding opening part; 62. a fastening projection; 63. a light transmitting layer; 80. a housing; 81. an electrical energy component; 82. a positive terminal; 83. a negative terminal; 84. a pole plate group; 101. a through hole; 102. a charging interface; 110. mounting a column; 201. connecting holes; 601. a socket; 602. a first inlet orifice; 603. a second inlet orifice; 604. positioning a groove; 801. a first insulating portion; 802. a conductive portion; 803. a second insulating section; 840. a nickel positive electrode material; 841. a hydrogen negative electrode material; 842. a diaphragm; 8001. a notch.

Detailed Description

The present invention will be described in detail below with reference to the attached drawings, and the technical solutions in the embodiments of the present invention will be clearly and completely described. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The technical solution of the present disclosure will be described below by taking a rechargeable battery 8 and a battery charging stand as examples.

According to an example of the present disclosure, as can be seen from the perspective views of the rechargeable battery shown in fig. 7-10, the rechargeable battery 8 includes a housing 80, an electric energy component 81 for storing and discharging electricity, and a positive terminal 82 and a negative terminal 83 electrically connected to the electric energy component 81, the positive terminal 82 and the negative terminal 83 are located on both sides of the housing 80, and in some embodiments, the battery 8 constructed by the above structure is substantially cylindrical; the electric energy component 81 may be a polymer cell, that is, the rechargeable battery 8 may be a lithium battery, or may be a nickel-hydrogen battery as shown in fig. 10, the nickel positive electrode material 840, the separator 842 and the hydrogen negative electrode material 841 are laminated to obtain a laminate, and the laminate is wound into a spiral shape to form the cylindrical electrode plate group 84; the portion exposed at one end surface of the obtained electrode group 84 in the winding axis direction is the positive electrode end 82, and the portion exposed at the other end surface is the negative electrode end 83.

Fig. 9 is a first embodiment provided in the present application, in which the housing 80 includes a first insulating portion 801 and a conductive portion 802, wherein the first insulating portion 801 is connected to the positive terminal 82, and the conductive portion 802 is electrically connected to the negative terminal 83; alternatively, the first insulating portion 801 is connected to the negative terminal 83, the conductive portion 802 is electrically connected to the positive terminal 82, and the conductive portion 802 and the first insulating portion 801 together constitute the outer wall of the battery 8.

Fig. 7 and 8 show a second embodiment provided in the present application, in which the housing 80 further includes a second insulating portion 803, the conductive portion 802 is located inside the first insulating portion 801 or the second insulating portion 803, a notch 8001 for exposing the conductive portion 802 is formed between the first insulating portion 801 and the second insulating portion 803, the conductive portion 802 is embedded, and only a small portion of a layer of charging contact is exposed, so as to achieve a protection effect; thus, when the battery 8 is inserted into the charging seat, the positive electrode or the negative electrode of the charging end is connected with the conductive part 802, a communicated charging loop can be formed, the battery 8 also has a positive electrode end 82 and a negative electrode end 83 which are matched with the battery bins of most of the existing electronic products, and the problem of non-matching cannot be caused.

Preferably, the notch 8001 is provided on the side near the positive end 82 or the negative end 83, and when near either side, it is possible to avoid the danger of the battery temperature rising when the battery 8 is reversely mounted on the charger.

Preferably, the first insulating portion 801 and/or the second insulating portion 803 are/is a mold jacket.

According to the disclosed example, as can be seen from the perspective views of the battery charging seat shown in fig. 1 to 6, the battery charging seat includes a charging seat body 1 having a substantially square structure, the charging seat body 1 is provided with a vertical battery jar 5, and the battery jar 5 may be a round jar or a square jar, although the scope of the present disclosure is not limited thereto.

In this embodiment, the charging base body 1 is composed of an upper cover 10 and a base 11, the upper cover 10 has a plurality of through holes 101 therethrough, the same number of battery holders 6 are disposed at the lower ends of the plurality of through holes 101 in the charging base body 1, each battery holder 6 has a socket 601 connecting with the through hole 101, the socket 601 and the through hole 101 form a battery container 5, the plurality of battery containers 5 in this embodiment can be disposed according to different types of batteries 8 to adapt to most batteries in the market, such as No. 5 batteries and No. 7 batteries.

In the above disclosed example, the battery container 5 is provided with the positive charging portion 3 and the negative charging portion 4, the charging base body 1 is provided with the PCB main board 2, and the positive charging portion 3 and the negative charging portion 4 are connected to the PCB main board 2, as shown in fig. 7, after the battery container 5 is placed on one side of the positive electrode of the battery 8, the positive charging portion 3 is electrically contacted with the positive electrode of the battery 8, and the negative electrode on the side wall of the battery 8 is contacted with the negative charging portion 4, thereby charging the battery 8.

The composition and connection relationship of the battery holder 6 and the negative electrode charging portion 4 will be described in detail with reference to specific examples.

Referring to fig. 4 and 5, the battery fixing member 6 is a column, which has a first access hole 602 for allowing the positive charging portion 3 to extend into the socket 601 from the bottom, and a second access hole 603 for allowing the negative charging portion 4 to extend into the socket 601 from the side wall, the battery fixing member 6 is fixedly connected to the PCB motherboard 2, and the socket 601 therein is used for fixing the battery 8.

Specifically, the outer wall of the battery fixing part 6 is provided with a limiting part 60, and the limiting part 60 is provided with a positioning groove 604 facing the PCB main board 2; the battery holder 6 has a plurality of elastic binding openings 61 for fixing the inserted battery 8 in the circumferential direction, and fastening protrusions 62 are provided on the inner surface of the elastic binding openings 61.

Referring to fig. 6, the negative charging portion 4 is a bendable elastic sheet, and includes a bottom sheet 40, a resilient tab 41, and a connecting sheet 42 connecting the bottom sheet 40 and the resilient tab 41, where the connecting sheet 42 is in a V-shaped or U-shaped structure and is used for contacting with the negative electrode of the battery 8, the bottom sheet 40 is connected with the PCB motherboard 2, the resilient tab 41 enters the positioning slot 604, and the connecting sheet 42 of the V-shaped or U-shaped structure is pressed to deform during the insertion of the battery 8, so that the resilient tab 41 moves up and down in the positioning slot 604, and after the battery 8 is completely inserted, the connecting sheet 42 of the V-shaped or U-shaped structure is firmly supported on the outer wall of the battery 8 under the action of a resilient force and is connected with the negative electrode of the battery 8.

As a preferable solution of this embodiment, a circle of light-transmitting layer 63 is disposed on the periphery of the battery fixing member 6, and the PCB main board 2 is provided with an indicator light 7 corresponding to the light-transmitting layer 63 for indicating that the battery 8 is in a charging state.

As the preferred scheme of this embodiment, be provided with erection column 110 on the base 11, be provided with connecting hole 201 on the PCB mainboard 2, PCB mainboard 2 wears to establish connecting hole 201 and erection column 110 threaded connection through the screw.

As a preferable scheme of the present embodiment, the charging dock body 1 is further provided with a charging interface 102, and the charging interface 102 may be a USB interface or a power line interface.

From a reading of the foregoing detailed description, it will be appreciated by those skilled in the art that the utility model can be readily implemented. It should be understood, however, that the intention is not to limit the utility model to the particular embodiments described. On the basis of the embodiments disclosed, a person skilled in the art can combine different features at will, so as to implement different solutions, and can combine different forms of additional functions to form other solutions. The scope of protection of the application is therefore only limited by the scope of the appended claims.

The present invention has been described in terms of specific examples, which are provided to aid understanding of the utility model and are not intended to be limiting. For a person skilled in the art to which the utility model pertains, several simple deductions, modifications or substitutions may be made according to the idea of the utility model.

Claims

1. A rechargeable battery comprising a case, an electric energy part for storing and discharging electricity, and a positive terminal and a negative terminal electrically connected to the electric energy part, the positive terminal and the negative terminal being located on both sides of the case, characterized in that the case comprises a first insulating portion and a conductive portion, wherein:

the first insulating part is connected with the positive electrode end, and the conductive part is electrically connected with the negative electrode end; or:

2. A rechargeable battery according to claim 1, wherein the housing further comprises a second insulating portion, the conductive portion is located inside the first insulating portion or the second insulating portion, and a notch is formed between the first insulating portion and the second insulating portion to expose the conductive portion.

3. A rechargeable battery according to claim 1, characterised in that the rechargeable battery is substantially cylindrical.

4. A rechargeable battery according to claim 2, characterised in that the notch is provided on the side close to the positive or negative terminal.

5. The rechargeable battery according to claim 2, wherein the first insulating portion and/or the second insulating portion is/are a plastic casing.