CN219350544U - Battery pack and electrical equipment system - Google Patents

Abstract

The application relates to a battery package and electrical equipment system, the battery package includes the casing that has at least one interface, the circuit board of setting in the casing, set up in the casing and with circuit board electric connection's electric core subassembly, and install in the circuit board and extend to at least one Type-C interface of interface, type-C interface is used for pegging graft with electronic equipment, in order to realize the electricity between battery package and the electronic equipment and be connected, type-C interface is located between circuit board and the electric core subassembly, and at least part inlays and establish on the electric core subassembly, make full use of electric core subassembly's structure, need not additionally to set up the space of acceping Type-C interface, make full use of battery package inner space, reduce the inner space extravagant, and need not additionally to increase battery package overall dimension, make battery package compact structure, convenience of customers uses and carries. The electrical equipment system with the battery pack is compact in structure and convenient for users to use and carry.

Description

Battery pack and electrical equipment system

Technical Field

The utility model relates to a battery pack and an electrical equipment system, and belongs to the technical field of battery packs.

Background

With the development of battery material technology, battery packs such as lithium ions have been widely used to supply power to electric devices such as electric tools and household appliances. The battery has high content and strong endurance, and is not limited by the application range. Currently, in order to further improve the application range of the battery pack, a Type-C interface is arranged on the battery pack so as to supply power to electronic equipment such as a mobile phone.

The Type-C interface is typically mounted to an edge of the circuit board to facilitate exposure from the housing opening for plugging in the electronic device. At present, the Type-C interface is generally arranged on the upper surface of the circuit board, and the Type-C interface is additionally arranged on the side edge of the battery pack in a space accommodating mode, so that the side edge of the battery pack is increased in height, the whole size of the battery pack is increased, and the use and the carrying of a user are affected.

Disclosure of Invention

The utility model aims to provide a battery pack and an electrical equipment system which are compact in structure.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a battery pack, comprising:

the shell is provided with at least one plug-in port;

a circuit board disposed within the housing;

the battery cell assembly is arranged in the shell and is electrically connected with the circuit board, and the battery cell assembly comprises a plurality of battery cells which are electrically connected with each other;

the Type-C interface is arranged on the circuit board and extends to the plug-in interface, and is used for being plugged with the electronic equipment so as to realize the electric connection between the battery pack and the electronic equipment;

the Type-C interface is located between the circuit board and the battery cell assembly and is at least partially embedded on the battery cell assembly.

Further, the Type-C interface and the battery cell assembly at least partially overlap along a projected area of a plane perpendicular to a length direction of the battery pack.

Further, the Type-C interface and the battery cell assembly overlap by 3mm to 4mm in height along a projection area of a plane perpendicular to the length direction of the battery pack.

Further, a concave strip extending along the longitudinal direction of the battery cells is formed between two adjacent battery cells, and the Type-C interface is at least partially arranged in the concave strip.

Further, the battery cell assembly comprises a battery cell support used for supporting the battery cells, grooves are formed between two adjacent battery cells, the grooves extend along the longitudinal direction of the battery cells, and the Type-C interface is at least partially arranged in the grooves.

Further, the Type-C interface is mounted on one side of the circuit board along the length direction.

Further, an extending part is arranged on the side edge of the circuit board, and the Type-C interface is at least partially installed on the extending part.

Further, the battery pack further comprises a plugging piece, the plugging piece is detachably connected with the plug connector, and the plugging piece is provided with a plugging state for plugging the plug connector and an opening state for opening the plug connector.

The utility model also provides an electrical equipment system comprising:

an electrical device;

the battery pack is detachably connected with the electrical equipment, so that the battery pack supplies power for the electrical equipment or the electrical equipment charges the battery pack;

wherein, the battery pack is the battery pack as described above.

The utility model has the beneficial effects that: the Type-C interface of battery package is located between circuit board and the electric core subassembly, and at least part inlays and establishes on the electric core subassembly, and make full use of electric core subassembly's structure need not to additionally set up the space of acceping Type-C interface for battery package overall arrangement is reasonable, and make full use of battery package inner space reduces the inner space extravagant, and need not additionally to increase battery package overall dimension, makes battery package compact structure, convenience of customers use and carry.

The electrical equipment system with the battery pack is compact in structure and convenient for users to use and carry.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

Drawings

Fig. 1 is a schematic view illustrating a structure of a battery pack according to an embodiment of the present utility model.

Fig. 2 is a schematic cross-sectional view of the battery pack shown in fig. 1.

Fig. 3 is a partially exploded view of the battery pack shown in fig. 1.

Fig. 4 is a partially enlarged schematic view of the battery pack shown in fig. 3.

Fig. 5 is a partial schematic structure of the battery pack shown in fig. 1.

Fig. 6 is another structural schematic view of the battery pack shown in fig. 1.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the mechanisms or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Referring to fig. 1 to 3, a battery pack 100 for supplying power to electrical and electronic devices is shown in an embodiment of the present utility model. The electrical device may be an electric tool, a household appliance, a charger, an adapter, or the like. Power tools include, but are not limited to, lawnmowers, pruners, chain saws, grass pushers, cleaners, intelligent mowers, intelligent cleaning devices, and riding mowers. The household appliances can be a dust collector, a blower, an electric fan, a camping lamp and the like. The electronic equipment is a mobile phone, a notebook, a digital camera and the like.

The battery pack 100 includes a housing 1, a circuit board 2 disposed in the housing 1, and a battery cell assembly 3 disposed in the housing 1 and electrically connected to the circuit board 2.

The case 1 of the battery pack 100 has a substantially rectangular shape, wherein the width direction of the case 1 is a direction shown as a direction a of fig. 1; the longitudinal direction of the housing 1 is the direction shown in the direction b of fig. 1; the height direction of the housing 1 is a direction shown as a direction c of fig. 1.

The housing 1 includes upper and lower housings 11 and 12 disposed opposite to each other, and first and second side housings 13 and 14 disposed opposite to each other, the upper and lower housings 11 and 12 being butted to form a hollow structure, the first and second side housings 13 and 14 respectively closing both ends of the hollow structure and forming a cavity in which the circuit board 2 and the cell assembly 3 are accommodated.

The upper case 11, the lower case 12, the first side case 13, and the second side case 14 may be connected by laser welding or ultrasonic welding, or may be connected by fasteners such as screw connection or pin connection, etc. Meanwhile, the upper case 11, the lower case 12, the first side case 13, and the second side case 14 may be detachably connected in order to facilitate maintenance of components in the battery pack 100, the connection may be a snap connection, etc. The connection manner of the upper case 11, the lower case 12, the first side case 13, and the second side case 14 is not particularly limited herein.

Referring to fig. 2 to 5, the battery cell assembly 3 includes a plurality of battery cells 31 electrically connected to each other, and the battery cells 31 may be nickel-metal hydride batteries or lithium ion batteries capable of being charged and discharged multiple times. The cells 31 are provided in a cylindrical structure, and in the present embodiment, each cell 31 extends in the width direction of the case 1. In other embodiments, the battery cell may also extend along the length direction or the height direction of the housing, which is not specifically limited herein.

In this embodiment, the battery cells 31 include 10 sections, and are divided into two rows, wherein each 5 battery cells 31 are sequentially arranged along the length direction of the housing 1, and the battery cells 31 in the two rows are overlapped in the height direction of the housing 1, that is, are correspondingly arranged up and down. In other embodiments, the upper and lower rows of the battery cells 31 may be arranged in a staggered manner, and the stacking manner adopted between the battery cells 31 is not particularly limited herein.

The adjacent two electric cores 31 may be disposed close to each other or may be disposed apart from each other, and since the electric cores 31 are in a cylindrical structure, a concave strip (not shown) extending along the longitudinal direction of the electric cores 31 is formed between the adjacent two electric cores 31 arranged in parallel, that is, the concave strip extends along the direction where the width of the housing 1 is located.

It is obvious that the number of the battery cells 31 may be other, such as 3, 5, 6, 15, etc., and the battery cells 31 may be configured in other shapes, such as a bag, which is not limited.

All the electric cores 31 are electrically connected through connecting sheets 32. The connection piece 32 is welded to the positive and negative electrodes of each of the battery cells 31. The connection pieces 32 include a total positive connection piece (not shown) and a total negative connection piece (not shown) capable of outputting the power of the cell assembly 3 to sum and output the power of all the cells 31.

In a preferred embodiment, the cell assembly 3 includes a cell holder 33, and the cell holder 33 is used to support the cell 31. The battery cell holder 33 includes a plurality of cylinder walls, and an inner cavity of each cylinder wall forms a receiving hole for at least partially receiving a battery cell 31, and the cylinder wall and the receiving hole are matched with each other in shape with the cylindrical battery cell 31. Thereby forming a recess 331 between the curved portions of two adjacent wall portions, while this arrangement also reduces the spatial dimensions of the cell assembly 3. The recess 331 extends along the longitudinal direction of the battery cell 31, and in this embodiment, the recess 331 extends along the width of the housing 1.

The cell holder 33 is also advantageous for heat dissipation of the cell 31, in addition to fixing the cell 31 at a desired position. The cell support 33 may be made of a heat conductive material, and the cell support 33 may cover the entire outer peripheral surface of the cell 31, so that heat generated during operation of the cell 31 may be better conducted away by the cell support 33, thereby improving the service life of the cell assembly 3.

In the height direction, the circuit board 2 is disposed between the upper case 11 and the cell assembly 3, and the circuit board 2 is disposed to extend lengthwise along the length direction of the case 1. The circuit board 2 includes a substrate and a plurality of components connected to the substrate. The structure of the circuit board 2 is a prior art and will not be described in detail herein.

In this embodiment, the circuit board 2 is fixed on the cell support 33 of the cell assembly 3, and the fixation can be achieved by means of screws or the like.

Referring to fig. 1, 3 to 5, the battery pack 100 further includes at least one Type-C interface 4, the housing 1 has at least one plug interface 15, and the Type-C interface 4 is mounted on the circuit board 2 and extends to the plug interface 15. The Type-C interface 4 is configured to plug into an electronic device to electrically connect the battery pack 100 to the electronic device.

The Type-C interface 4 is mounted on the circuit board 2 to realize the electrical connection of the battery cell assembly 3 and the Type-C interface 4, so that the power input or output of the battery cell assembly 3 can be realized by utilizing the Type-C interface 4 conveniently.

The Type-C interfaces 4 and the plug interfaces 15 are arranged in a one-to-one correspondence mode, the quantity of the Type-C interfaces 4 and the quantity of the plug interfaces 15 are the same, and each Type-C interface 4 is exposed through one plug interface 15.

In this embodiment, the Type-C interface 4 is located between the circuit board 2 and the cell assembly 3, that is, the Type-C interface 4 is located on the side of the circuit board 2 facing the cell assembly 3. And the Type-C interface 4 is at least partially embedded on the cell assembly 3.

The Type-C interface 4 and the projected area of the cell assembly 3 along a plane perpendicular to the length direction of the battery pack 100 at least partially overlap. In this embodiment, the Type-C interface 4 and the cell assembly 3 overlap by 3mm to 4mm in height along the projection area of the plane perpendicular to the length direction of the battery pack 100.

In the above, the groove 331 or the concave strip is arranged between the two electric cores 31 of the electric core component 3, and when the electric core component 3 comprises a plurality of electric cores 31, the Type-C interface 4 is at least partially arranged in the concave strip; when cell assembly 3 further includes cell support 33, type-C interface 4 is at least partially disposed within recess 331.

That is, type-C interface 4 has 3mm-4mm disposed within recess bar or groove 331. This structure that sets up make full use of electric core subassembly 3 need not to additionally set up the space of acceping Type-C interface 4 for battery package 100 is rationally distributed, and make full use of battery package 100 inner space reduces the inner space extravagant, and need not additionally to increase battery package 100 overall dimension, makes battery package 100 compact structure, convenience of customers uses and carries.

It should be noted that, the Type-C interface 4 is installed at one side of the circuit board 2 along the length direction and is electrically connected with the circuit board 2, so as to be electrically connected with the electrical core assembly 3. In this embodiment, the grooves 331 and the concave strips extend along the width direction of the housing 1, the circuit board 2 extends along the length direction of the housing 1, and the Type-C interface 4 is disposed on the long side of the housing 1.

The number of Type-C interfaces 4 may be one, two, three, four, etc., and are all provided on both sides of the circuit board 2 in the length direction. When the number of the Type-C interfaces 4 is plural, the plural Type-C interfaces 4 may be disposed on two opposite sides, and specific positions may be set according to actual needs, so long as the transmission of the power source can be realized, which is not limited herein.

In this embodiment, the side of the circuit board 2 is provided with an extending portion 21, and the type-C interface 4 is at least partially mounted on the extending portion 21. The provision of the extension 21 avoids the overall widening of the circuit board 2, saving cost and space, while providing an area for mounting the Type-C interface 4.

Specifically, the Type-C interface 4 is welded to the extension 21. In other embodiments, one end of the Type-C interface 4 may be connected to the circuit board 2 by a wire.

The Type-C interface 4 includes an insulating body 41, a conductive terminal 42 fixed to the insulating body 41, and a mask housing 43 masked outside the insulating body 41 and the conductive terminal 42. The conductive terminals 42 and the mask housing 43 are made of metal materials, and the conductive terminals 42 are in contact with the inner side walls of the mask housing 43, so that the conductive terminals 42 and the mask housing 43 are electrically conducted, and pins 44 welded and fixed with the circuit board 2 are arranged on the mask housing 43. The conductive terminal 42 of the Type-C interface 4 can be electrically connected with the battery core 31 through the pins 44 of the mask shell 43 and the circuit board 2, and then electronic equipment including a mobile phone, a notebook computer and the like can be charged through the Type-C interface 4.

The battery pack 100 further includes a blocking member 5, the blocking member 5 being detachably connected to the plug port 15, the blocking member 5 having a blocking state for blocking the plug port 15 and an open state for opening the plug port 15. When the Type-C interface 4 is not needed to charge the electronic equipment, the plugging piece 5 is used for plugging the plugging port 15 so as to prevent the battery pack 100 from supplying power to the electrical equipment, and foreign matters enter the plugging port 15. When the Type-C interface 4 is required to be used, the plugging piece 5 is detached from the plug interface 15. In one embodiment, the blocking member 5 may be pivotally connected to the housing 1, and may be rotated relative to the housing 1 under an external force to switch between the blocking state and the open state. The blocking member 5 may also be an elastic member, which is inserted into the insertion port 15 by an external force, and removed from the insertion port 15 by an external force. The manner of mounting the blocking member 5 is not particularly limited here.

Referring to fig. 1, 3 and 6, the battery pack 100 further includes a power supply terminal 6, and the power supply terminal 6 is mounted on the circuit board 2 and electrically connected to the circuit board 2. Specifically, the power supply terminal 6 is soldered to the circuit board 2 or connected to the circuit board 2 by a wire.

The upper shell 11 is provided with a terminal interface 111, the power supply terminal 6 is at least partially exposed through the terminal interface 111, the power supply terminal 6 is in butt joint with the power connection terminal of the electrical equipment, and the electrical connection between the battery pack 100 and the electrical equipment is achieved, so that the battery pack 100 supplies power to the electrical equipment. The specific structure and implementation of the power supply terminal 6 are related to the prior art, and will not be described herein.

The battery pack 100 further includes a locking member 71 and a switching member 72 provided on the housing 1. The locking member 71 and a locking member provided on the electrical device cooperate to achieve relative locking or release of the battery pack 100 and the electrical device. When the battery pack 100 and the electric device are coupled, the locking member 71 and the locking member cooperate to achieve relative locking of the battery pack 100 and the electric device. When it is desired to separate the two, a force is applied to the switch member 72 such that the switch member 72 controls the movement of the locking member 71 in a direction away from the locking member to effect release of the locking member 71 and the locking member.

The utility model also provides an electrical equipment system, which comprises electrical equipment and a battery pack detachably connected with the electrical equipment. The battery pack can be mutually matched with the electrical equipment so as to realize that the battery pack supplies power for the electrical equipment or the electrical equipment charges the battery pack. Wherein the battery pack is the battery pack as shown above.

To sum up, the Type-C interface of battery package is located between circuit board and the electric core subassembly, and at least part inlays and establishes on the electric core subassembly, and make full use of electric core subassembly's structure need not to additionally set up the space of acceping Type-C interface for battery package overall arrangement is reasonable, and make full use of battery package inner space reduces the inner space extravagant, and need not additionally to increase battery package overall dimension, makes battery package compact structure, convenience of customers use and carry.

The electrical equipment system with the battery pack is compact in structure and convenient for users to use and carry.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (9)

1. A battery pack, comprising:

the shell is provided with at least one plug-in port;

a circuit board disposed within the housing;

the battery cell assembly is arranged in the shell and is electrically connected with the circuit board, and the battery cell assembly comprises a plurality of battery cells which are electrically connected with each other;

the Type-C interface is arranged on the circuit board and extends to the plug-in interface, and is used for being plugged with the electronic equipment so as to realize the electric connection between the battery pack and the electronic equipment;

the Type-C interface is located between the circuit board and the battery cell assembly and is at least partially embedded on the battery cell assembly.

2. The battery pack of claim 1, wherein the Type-C interface and the cell assembly at least partially overlap along a projected area of a plane perpendicular to a length direction of the battery pack.

3. The battery pack of claim 2, wherein the Type-C interface and the cell assembly overlap by 3mm to 4mm in height along a projected area of a plane perpendicular to a length direction of the battery pack.

4. The battery pack of claim 1, wherein a concave bar extending along the longitudinal direction of the cells is formed between two adjacent cells, and the Type-C interface is at least partially disposed in the concave bar.

5. The battery pack of claim 1, wherein the cell assembly comprises a cell support for supporting the cells, the cell support having a recess formed between two adjacent cells, the recess extending in a longitudinal direction of the cells, the Type-C interface being at least partially disposed within the recess.

6. The battery pack of claim 1, wherein the Type-C interface is mounted at one side of the circuit board in a length direction.

7. The battery pack of claim 1, wherein the side of the circuit board is provided with an extended extension, and the Type-C interface is at least partially mounted to the extension.

8. The battery pack of claim 1, further comprising a closure member detachably connected to the plug port, the closure member having a closed state for closing the plug port and an open state for opening the plug port.

9. An electrical equipment system, comprising:

an electrical device;

the battery pack is detachably connected with the electrical equipment, so that the battery pack supplies power for the electrical equipment or the electrical equipment charges the battery pack;

wherein the battery pack is the battery pack according to any one of claims 1 to 8.

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