WO2018018964A1

WO2018018964A1 - Battery and protection circuit board thereof, and electronic device

Info

Publication number: WO2018018964A1
Application number: PCT/CN2017/081918
Authority: WO
Inventors: 陈鑫锋
Original assignee: 广东欧珀移动通信有限公司
Priority date: 2016-07-28
Filing date: 2017-04-25
Publication date: 2018-02-01
Also published as: CN106129494B; CN106129494A

Abstract

Disclosed are a battery and a protection circuit board thereof, and an electronic device. The protection circuit board of a battery comprises a circuit board body and a plurality of first connectors, wherein the plurality of first connectors are arranged on the circuit board body, and the plurality of first connectors are connected to a main board of the electronic device, so that a charging current output by the main board is charged into the battery via the plurality of first connectors. Thus, by arranging a plurality of first connectors on a circuit board body, the input and output of a large current can be realized, and the conveyance capacity of a battery is improved, thereby satisfying the requirement for quick charging.

Description

Battery and its protection circuit board and electronic equipment

Technical field

The present invention relates to the field of battery technologies, and in particular, to a protection circuit board for a battery, a battery, and an electronic device.

Background technique

The battery in the associated electronic device is usually connected to the main board through a connector. However, the related art has the disadvantage that the single connector has a limited overcurrent capability and cannot meet the demand of a large current.

Therefore, the related art needs to be improved.

Summary of the invention

The present invention aims to solve at least one of the technical problems in the related art to some extent. Accordingly, it is an object of the present invention to provide a protective circuit board for a battery that can improve the overcurrent capability of the battery.

Another object of the invention is to propose a battery. Yet another object of the present invention is to provide an electronic device.

In order to achieve the above object, a protection circuit board for a battery according to an embodiment of the present invention includes: a circuit board body; a plurality of first connectors, wherein the plurality of first connectors are disposed on the circuit board body The plurality of first connectors are connected to the main board of the electronic device such that a charging current output by the main board is charged into the battery through the plurality of first connectors.

According to the protection circuit board of the battery according to the embodiment of the invention, by providing a plurality of first connectors on the circuit board body, a large current input and output can be realized, and the overcurrent capability of the battery can be improved to meet the requirement of fast charging.

According to an embodiment of the invention, a plurality of second connectors are disposed on the main board, and the plurality of second connectors are respectively paired with the plurality of first connectors.

According to an embodiment of the invention, the first connector and the corresponding second connector may be paired BTB connectors. Alternatively, the first connector and the corresponding second connector are contact pairs that are movably connected.

Wherein the first connector is a male end of the BTB connector, the second connector is a female end of the BTB connector; or the first connector is a female of the BTB connector The second connector is a male connector of the BTB connector.

According to an embodiment of the invention, the plurality of first connectors are connected together, and the plurality of second connectors are connected together.

According to an embodiment of the invention, the plurality of first connectors are soldered to the circuit board body, the plurality of A second connector is soldered to the motherboard.

According to an embodiment of the invention, the plurality of first connectors comprise a first first connector and a second first connector, the plurality of second connectors comprising a first second connector and a second second connector, wherein the first first connector is correspondingly connected to the first second connector, and the second first connector is connected to the second second connector Corresponding connection.

According to an embodiment of the invention, the plurality of first connectors are distributed on the same side of the outer surface of the battery.

According to an embodiment of the present invention, the circuit board body is further provided with a negative pole and a positive pole, the negative pole is connected to a negative pole of the battery body in the battery, the positive pole and the battery The anode of the battery body is connected.

According to an embodiment of the present invention, the main board is further connected to the power adapter, and the power adapter can output a charging current to the main board according to a preset fast charging current value, so that the main board passes the plurality of The first connector quickly charges the battery.

According to an embodiment of the present invention, the main board includes a charging control module, and the power adapter outputs a charging current to the main board under the control of the charging control module to pass the main board through the plurality of first connections. The battery is quickly charged.

In order to achieve the above object, another embodiment of the present invention provides a battery comprising: a battery body; and a protection circuit board of the battery.

According to the battery provided by the embodiment of the invention, the protection circuit board of the battery can realize large current input and output, improve the overcurrent capability of the battery, and meet the requirement of fast charging.

In order to achieve the above object, an embodiment of the present invention provides an electronic device including: a main board; the battery.

According to the electronic device proposed by the embodiment of the present invention, the demand for fast charging can be satisfied by the above battery.

According to an embodiment of the invention, the electronic device may be a mobile phone or a tablet.

DRAWINGS

1 is a block diagram showing a protection circuit board of a battery according to an embodiment of the present invention;

2 is a block diagram showing a protection circuit board of a battery according to an embodiment of the present invention;

3 is a block diagram showing a protection circuit board of a battery according to an embodiment of the present invention;

4 is a schematic view showing the position of a first connector in a protection circuit board of a battery according to an embodiment of the present invention;

FIG. 5 is a block diagram showing a protection circuit board of a battery according to another embodiment of the present invention; FIG.

6 is a block schematic diagram of a battery in accordance with an embodiment of the present invention;

7 is a block schematic diagram of an electronic device in accordance with an embodiment of the present invention.

detailed description

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

A protective circuit board for a battery according to an embodiment of the present invention, which can be used in a fast charging electronic device by increasing a charging current, will be described below with reference to the accompanying drawings.

1 is a block schematic diagram of a protection circuit board of a battery in accordance with an embodiment of the present invention. As shown in FIG. 1, the protection circuit board 101 of the battery includes a circuit board body 11 and a plurality of first connectors 12.

The plurality of first connectors 12 are disposed on the circuit board body 11 , and the plurality of first connectors 12 are connected to the main board 200 of the electronic device, so that the charging current output by the main board 200 is charged through the plurality of first connectors. battery.

That is, one battery is equipped with a plurality of first connectors 12.

Further, as shown in FIG. 2, the main board 200 is provided with a plurality of second connectors 21, and the plurality of second connectors 21 are respectively paired with the plurality of first connectors 12.

In a specific example of the present invention, the solder ends of the plurality of first connectors 12 may be soldered on the circuit board body 11, and the solder ends of the plurality of second connectors 21 may be soldered on the main board 200, and the plurality of first connections The connection end of the device 12 is correspondingly connected to the connection ends of the plurality of second connectors 21.

In other words, the plurality of first connectors 12 can be connected to the plurality of second connectors 21 in one-to-one correspondence, so that the protection circuit board 101 is connected to the main board 200, so that the charging current can pass through the main board 200 and the plurality of second connections. The device 21 and the plurality of first connectors 12 flow into the battery, and the plurality of first connectors 12 can improve the overcurrent capability of the battery, thereby being able to meet the overcurrent capability of the fast charging.

For example, as shown in FIG. 3, the plurality of first connectors 12 may include a first first connector 12A and a second first connector 12B. Accordingly, the plurality of second connectors 21 may include the first a second connector 21A and a second second connector 21B, wherein the first first connector 12A is correspondingly connected to the first second connector 21A, and the second first connector 12B is connected to the second connector The second connectors 21B are correspondingly connected such that the charging current flows in through the first first connector 12A and the first second connector 21A and the second first connector 12B and the second second connector 21B. The battery body 102 of the battery, thereby improving the overcurrent capability of the battery.

Specifically, in accordance with an embodiment of the present invention, a plurality of first connectors 21 may be coupled together and a plurality of second connectors 12 may be coupled together. In other words, a single battery can be connected in parallel with multiple connectors to increase the battery's overcurrent capability.

In a specific example of the present invention, as shown in FIG. 4, a plurality of first connectors 12 may be distributed on the same side of the outer surface of the battery 100.

According to a specific embodiment of the present invention, the first connector 12 and the corresponding second connector 21 are used in pairing BTB (Board to Board) connector. Wherein, the first connector 12 can be the male end of the BTB connector, and the second connector 21 can be the female end of the BTB connector; or the first connector 12 can be the female end of the BTB connector, and the second connector 21 can be the male of the BTB connector.

According to another embodiment of the invention, the first connector 12 and the corresponding second connector 21 are contactless pairs of contacts that are movably connected.

Further, according to an embodiment of the present invention, as shown in FIG. 5, the circuit board body 11 is further provided with a negative electrode tab 13 and a positive electrode tab 14, and the negative electrode tab 13 is connected to the negative electrode 23 of the battery body 102 in the battery. The tab 14 is connected to the positive electrode 24 of the battery body 102 in the battery. In one specific example of the present invention, the negative electrode tab 13 can be fixedly coupled to the negative electrode 23 of the battery body 102, and the positive electrode tab 14 can be fixedly coupled to the positive electrode 24 of the battery body 102.

In addition, the main board 200 is also connected to the power adapter, and the power adapter can output a charging current to the main board according to the preset fast charging current value to quickly charge the battery 200 through the plurality of first connectors 12.

Specifically, the main board 200 may include a charging control module, and the power adapter may charge the battery under the control of the charging control module on the main board 200, for example, the power adapter receives the fast charging instruction command issued by the charging control module, and the power adapter The output current can be adjusted to a fast charge of the battery according to a preset fast charge current value.

In summary, according to the protection circuit board of the battery provided by the embodiment of the present invention, by providing a plurality of first connectors on the circuit board body, a large current input and output can be realized, and the overcurrent capability of the battery can be improved to meet the requirement of fast charging.

Another embodiment of the invention also provides a battery.

Figure 6 is a block schematic diagram of a battery in accordance with an embodiment of the present invention. As shown in FIG. 6, the battery 100 includes a battery body 102 and a protection circuit board 101 of the battery of the above embodiment.

An embodiment of the present invention further provides an electronic device.

7 is a block schematic diagram of an electronic device in accordance with an embodiment of the present invention. As shown in FIG. 7, the electronic device includes: a main board 200; the battery 100 of the above embodiment.

According to a specific embodiment of the present invention, the electronic device may be a mobile terminal such as a mobile phone or a tablet computer.

According to the electronic device proposed by the embodiment of the present invention, the battery of the above embodiment can meet the requirement of fast charging.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " After, "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship of the "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplified description, and does not indicate or imply the indicated device or component. It must be constructed and operated in a particular orientation, and is not to be construed as limiting the invention.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or Implicitly indicates the number of technical features indicated. Thus, features defining "first" or "second" may include at least one of the features, either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.

In the present invention, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements, unless otherwise specified Limited. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the present invention, the first feature "on" or "under" the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact. Moreover, the first feature "above", "above" and "above" the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material or feature is included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, various embodiments or examples described in the specification, as well as features of various embodiments or examples, may be combined and combined.

Although the embodiments of the present invention have been shown and described, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The embodiments are subject to variations, modifications, substitutions and variations.

Claims

A protection circuit board for a battery, comprising:

Board body; and

a plurality of first connectors, the plurality of first connectors are disposed on the circuit board body, and the plurality of first connectors are connected to a motherboard of the electronic device to charge the motherboard output Current is charged into the battery through the plurality of first connectors.
The protection circuit board of the battery according to claim 1, wherein the main board is provided with a plurality of second connectors, and the plurality of second connectors are respectively paired with the plurality of first connectors .
The protective circuit board for a battery according to claim 2, wherein the first connector and the corresponding second connector are paired BTB connectors.
A protection circuit board for a battery according to claim 3, wherein said first connector is a male connector of said BTB connector, and said second connector is a female connector of said BTB connector; or The first connector is a female end of the BTB connector, and the second connector is a male end of the BTB connector.
A protective circuit board for a battery according to claim 2, wherein said first connector and the corresponding second connector are contactless pairs of contacts.
A protective circuit board for a battery according to any one of claims 2 to 5, wherein the plurality of first connectors are connected together, and the plurality of second connectors are connected together.
A protective circuit board for a battery according to any one of claims 2 to 6, wherein said plurality of first connectors are soldered to said circuit board body, and said plurality of second connectors are soldered On the motherboard.
The protective circuit board for a battery according to any one of claims 2 to 7, wherein the plurality of first connectors comprise a first first connector and a second first connector, The plurality of second connectors include a first second connector and a second second connector, wherein the first first connector is correspondingly connected to the first second connector, Two first connectors are correspondingly connected to the second second connector.
A protective circuit board for a battery according to any one of claims 1 to 8, wherein the plurality of first connectors are distributed on the same side of an outer surface of the battery.
The protection circuit board for a battery according to any one of claims 1 to 9, wherein the circuit board body is further provided with a negative electrode tab and a positive electrode tab, the negative electrode tab and the battery in the battery The negative electrode of the body is connected, and the positive electrode tab is connected to the positive electrode of the battery body in the battery.
The protection circuit board for a battery according to any one of claims 1 to 10, wherein the main board is further connected to a power adapter, and the power adapter outputs a charging current according to a preset fast charging current value. The main board is configured to enable the main board to quickly charge the battery through the plurality of first connectors.
The protection circuit board for a battery according to claim 11, wherein the main board includes a charging control module, and the power adapter outputs a charging current to the main board under the control of the charging control module to cause the The motherboard quickly charges the battery through the plurality of first connectors.
A battery, comprising:

Battery body;

A protective circuit board for a battery according to any one of claims 1-12.
An electronic device, comprising:

Motherboard;

A battery according to claim 13.
The electronic device of claim 14, wherein the electronic device is a mobile phone or a tablet.