CN217562753U

CN217562753U - Battery pack

Info

Publication number: CN217562753U
Application number: CN202220694882.6U
Authority: CN
Inventors: 张信庆; 陆春桃; 严安
Original assignee: Globe Jiangsu Co Ltd
Current assignee: Globe Jiangsu Co Ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-10-11
Anticipated expiration: 2032-03-28

Abstract

The utility model provides a battery pack, which comprises a shell, wherein the shell forms an accommodating space and comprises a first side surface and a second side surface which are oppositely arranged; a bracket accommodated in the accommodating space; the battery comprises a plurality of battery cells, a plurality of battery cells and a bracket, wherein the battery cells are connected in series and supported by the bracket; the first output port is used for being connected with the electric tool so as to drive the electric tool to work; a second output port for connection with an electronic device; the first output port is arranged on the first side face, the second output port is arranged on the second side face, and the first output port and the second output port are electrically connected with the battery core; wherein the first output port and the second output port are of different types. The battery pack is small in size, large in capacity and provided with at least two output ports of different types, so that different electric tools and/or electronic equipment can be connected conveniently, and the applicability of the battery pack is improved; the battery pack can be carried by an airplane and heat dissipation silica gel is arranged at multiple positions in the battery pack, so that the heat dissipation performance of the battery pack is enhanced.

Description

Battery pack

Technical Field

The utility model belongs to the technical field of the battery package, concretely relates to battery package.

Background

Along with the improvement of the living standard of people, the popularity of electronic products and electric tools is higher and higher, electronic equipment containing lithium batteries such as mobile phones and notebook computers and electric tools such as cutting saws are common in daily life, the existing battery packs are generally divided into battery packs with different specifications for charging the electronic equipment such as mobile phones and supplying power to the electric tools such as floor washers, the battery pack for supplying power to the electric tools can only adapt to the electric tools and cannot supply power to the external electronic equipment, and the battery pack for charging the electronic equipment can only adapt to the electronic equipment and cannot supply power to the external electric tools, so that the use scene of the battery pack is limited.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a battery pack, include:

the shell forms an accommodating space and comprises a first side surface and a second side surface which are oppositely arranged;

a holder received in the receiving space;

a plurality of cells connected in series and supported by the support;

the first output port is used for being connected with a power tool so as to drive the power tool to work;

a second output port configured for connection with an electronic device;

the first output port is arranged on a first side face, the second output port is arranged on a second side face, and the first output port and the second output port are electrically connected with the battery core;

wherein the first output port and the second output port are of different types.

The utility model discloses an in one embodiment, first output port with be equipped with first circuit board between the support, the second output port with be provided with the second circuit board between the support, the support includes first support and second support, the connection can be dismantled to first support and second support.

In an embodiment of the present invention, the first circuit board and the support are provided with a heat-dissipating silica gel therebetween, the second circuit board and the support are provided with a heat-dissipating silica gel therebetween, and the support is provided with a heat-dissipating silica gel therebetween.

The utility model discloses an in one embodiment, first output port is female terminal, female terminal passes through first circuit board with a plurality of electric core electricity are connected, first output port includes positive terminal, negative terminal, charge terminal and communication terminal, positive terminal with distance between the negative terminal is minimum 40cm, communication terminal with distance between the charge terminal is minimum 20cm, positive terminal with distance between the charge terminal is minimum 6cm, negative terminal with distance between the communication terminal is minimum 6cm.

In an embodiment of the present invention, the first side includes a first end cap, the second side includes a second end cap, the first circuit board and the first end cap are filled with heat dissipation silica gel therebetween, and the second circuit board and the second end cap are filled with heat dissipation silica gel therebetween.

The utility model discloses an embodiment, the second output port includes at least one Type-C interface, at least one Type-C interface pass through the second circuit board with a plurality of electricity core electricity are connected.

In an embodiment of the present invention, an openable dust cap is disposed on the second output port.

The utility model discloses an embodiment, be provided with the electric quantity display part on the second side, the electric quantity display part is used for showing the electric quantity of battery package, the electric quantity display part is provided with the visor that can open.

In an embodiment of the present invention, the second output port includes two Type-C interfaces and a USB output interface.

In one embodiment of the present invention, the battery pack has a length of 130-200cm, a width of 60-120cm, and a thickness of 20-50cm.

In an embodiment of the present invention, the distance between the Type-C interface and the USB output interface is 10cm at the minimum.

In an embodiment of the present invention, the total positive and positive terminals of the plurality of cells connected in series are electrically connected, and the negative terminal and the total negative of the cells connected in series are electrically connected through the third circuit board.

In an embodiment of the present invention, the number of the battery cells is 6, and the capacity of the battery pack is 96Wh.

The utility model provides a battery pack, which has smaller volume and large capacity and is provided with at least two output ports with different types, thereby facilitating the connection of different electric tools and/or electronic equipment and improving the applicability of the battery pack; the battery pack can be carried by an airplane and heat dissipation silica gel is arranged at multiple positions in the battery pack, so that the heat dissipation performance of the battery pack is enhanced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a battery pack according to an embodiment of the present invention.

Fig. 2 is a schematic view of a battery pack in another angle according to an embodiment of the present invention.

Fig. 3 is a front view of a battery pack according to an embodiment of the present invention.

Fig. 4 is a side view of a battery pack according to an embodiment of the present invention.

Fig. 5 is a schematic diagram of an exploded side of a bracket in a battery pack according to an embodiment of the present invention.

Fig. 6 is an exploded front view of a bracket in a battery pack according to an embodiment of the present invention.

Fig. 7 is a front view of a bracket in a battery pack according to an embodiment of the present invention.

Fig. 8 is a schematic view of a partial structure of a battery pack according to an embodiment of the present invention.

Fig. 9 is an exploded view of a first side of a battery pack according to an embodiment of the present invention.

Fig. 10 is an exploded view of the second side of the battery pack according to an embodiment of the present invention.

Fig. 11 is a schematic bottom view of a battery pack case according to an embodiment of the present invention.

Description of the reference symbols:

a battery pack 100; a housing 10; a first side 101; a second side 102; a first end cap 12; a socket 1201; first counterbore 121; a second counterbore 122; a seal ring 1221; a convex portion 123; a fixing groove 124; a second end cap 13; a third counterbore 131; a connecting column 111; a support 20; a first bracket 21; a first threaded hole 211; a second threaded hole 212; a clearance groove 213; a first threaded post 214; a second bracket 22; a connecting member 221; a protrusion 222; a second threaded post 223; an electric core 30; a first output port 40; a positive electrode terminal 401; a negative terminal 402; a charging terminal 403; a communication terminal 404; a second output port 50; a Type-C interface 501; a dust cap 502; a USB output interface 503; a power display unit 504; a protective cover 5041; a first circuit board 601; a second circuit board 602; a circuit display circuit board 603; a third circuit board 604.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the invention in a schematic manner, and only the components related to the invention are shown in the drawings rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, quantity and proportion of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.

As shown in fig. 1 to 10, in this embodiment, the battery pack 100 includes a housing 10, a bracket 20, a plurality of battery cells 30, a first output port 40, and a second output port 50, where an accommodating space is formed in the housing 10, the bracket 20 is accommodated in the accommodating space, and a heat dissipation silica gel is disposed between the bracket 20 and the housing 10 to dissipate heat, in addition, the plurality of battery cells 30 are connected in series and mounted in the bracket 20, the bracket 20 supports the plurality of battery cells 30, and meanwhile, the housing 10 includes a first side surface 101 and a second side surface 102 that are disposed opposite to each other, where the first output port 40 is disposed on the first side surface 101, the second output port 50 is disposed on the second side surface 102, and the first output port 40 and the second output port 50 are electrically connected to the battery cells. It should be noted that, in this embodiment, the types of the first output port 40 and the second output port 50 are different, so as to connect different devices. In the present embodiment, the length L of the battery pack is set to 130cm to 200cm, the width W is set to 60cm to 120cm, and the thickness H is set to 20cm to 50cm, for example.

As shown in fig. 1 and 7, in the present embodiment, the first side surface 101 includes a first end cap 12, the second side surface 102 includes a second end cap 13, the first end cap 12 and the second end cap 13 are fixedly mounted on two sides of the housing 10 to form the receiving space so as to accommodate the bracket 20, specifically, the first end cap 12 is formed with the first output port 40, and the second end cap 13 is formed with the second output port 50.

As shown in fig. 1, fig. 2, fig. 5, and fig. 6, in this embodiment, the bracket 20 includes a first bracket 21 and a second bracket 22, a plurality of battery cell accommodating cavities are provided in the first bracket 21 and the second bracket 22 so as to accommodate battery cells 30, the first bracket 21 and the second bracket 22 are detachably connected, the front surfaces of the first bracket 21 and the second bracket 22 are fixed in a vertical manner, specifically, a first threaded hole 211 is provided on the front surface of one end of the first bracket 21 connected to the second bracket 22, the first threaded hole 211 is arranged along the axial direction of the battery cell accommodating cavity, a connecting piece 221 is provided on the front surface of one end of the second bracket 22 connected to the first bracket 21, a through hole is provided on the connecting piece 221, the through hole corresponds to the hole 211, and passes through the through hole by a screw and is connected to the first threaded hole 211. It should be noted that, in this embodiment, a plurality of the battery cell accommodating cavities and the first threaded holes 211 are arranged at intervals.

As shown in fig. 1, 2, 5 and 6, in this embodiment, a reverse surface of the bracket 20 is used for mounting a circuit board, and therefore, a horizontal fixing manner is adopted, a reverse surface of one end of the first bracket 21 connected with the second bracket 22 is provided with a second threaded hole 212, the second threaded hole 212 is arranged along a radial direction of the battery cell accommodating cavity, a reverse surface of one end of the second bracket 22 connected with the first bracket 21 is provided with a protruding piece 222 protruding outwards, and the protruding piece 222 is also provided with a through hole, the through hole on the protruding piece 222 corresponds to the second threaded hole 212, and is connected with the second threaded hole 211 by passing a screw through the through hole, that is, the first bracket 21 and the second bracket 22 are fixedly mounted together by two connection manners on a front surface and a reverse surface thereof. It should be noted that, in this embodiment, a plurality of the battery cell accommodating cavities and the second threaded holes 212 are arranged at intervals.

As shown in fig. 1, 5 and 7, in this embodiment, a connection post 111 is disposed inside one end of the casing 10 connected to the first end cap 12, and a threaded hole is disposed on the connection post 111, it should be noted that, since the casing 10 is thin and the space is not allowed, and screws are screwed on the side surface to affect the aesthetic appearance of the casing, the connection post 111 is located in a clearance groove 213 of the first bracket 21, specifically, the clearance groove 213 is disposed on the opposite side of the first bracket 21 and on one end away from the second bracket 22, and the clearance groove 213 is located between two adjacent battery cell accommodating cavities, meanwhile, a first counterbore 121 corresponding to the threaded hole on the connection post 111 is disposed on the first end cap 12, and a screw passes through the first counterbore 121 to be fixedly connected to the threaded hole on the connection post 111, so as to connect the first end cap 12 to the casing 10, and the screw is located in the first counterbore 121, so as to avoid the screw from protruding from the first end cap 12, thereby ensuring the aesthetic appearance of the first end cap 12.

As shown in fig. 1 and 8, in this embodiment, a sealing ring installation groove is further disposed on an inner side of the first end cap 12, so as to install a sealing ring 1221, and the sealing ring 1221 is located between an end surface of the housing 10 and the first end cap 12, so that the sealing ring 1221 is squeezed between the end surface of the housing 10 and the first end cap 12, and thus the sealing effect is achieved.

As shown in fig. 1, 6 and 8, in the present embodiment, the first output port 40 is disposed on the first side surface 101, and the first output port 40 is used for being connected to a power tool to drive the power tool to work. Specifically, first output port 40 with be equipped with first circuit board 601 between the support 20, first output port 40 passes through first circuit board 601 with electricity core 30 electricity is connected, first end cap 12 covers on the outside of first circuit board 601, in order to incite somebody to action including first circuit board 601 parcel, just first circuit board 601 with be provided with heat dissipation silica gel between the support 20, just first circuit board 601 with be provided with heat dissipation silica gel between the first end cap 12 equally, still play the effect of supporting first circuit board 601 when playing the radiating action to it.

As shown in fig. 1, 4, and 6 to 8, in this embodiment, the first output port 40 is a female terminal, the female terminal is electrically connected to the plurality of battery cells 30 through the first circuit board 601, and the first output port 4040 includes a positive terminal 401, a negative terminal 402, a charging terminal 403, and a communication terminal 404, so that it is connected to a power tool to drive the power tool to operate. In this embodiment, the minimum L1 of the distance between the positive terminal 401 and the negative terminal 402 is 40cm, the minimum L2 of the distance between the communication terminal 404 and the charging terminal 403 is 20cm, the minimum L3 of the distance between the positive terminal 401 and the charging terminal 403 is 6cm, and the minimum L4 of the distance between the negative terminal 402 and the communication terminal 404 is 6cm, so that the power tool can be connected to a male terminal to supply power or charge power. In this embodiment, a plurality of battery cells 30 are mounted in the support 20, and the battery cell supports are connected in series by electrode plates, the total positive electrode of the battery cells connected in series is electrically connected to the positive electrode terminal 401, and the total negative electrode terminal 402 of the battery cells connected in series is electrically connected to the negative electrode terminal of the battery cells connected in series by the third circuit board 604. The number of the battery cores 30 is set to be 6, for example, the capacity of the battery pack is 96Wh, and the battery pack is small in size, large in capacity and convenient to carry.

As shown in fig. 1, 6 and 9, in this embodiment, a plurality of sockets 1201 are disposed on the first end cap 12, the sockets 1201 are disposed in one-to-one correspondence with the positive terminal 401, the negative terminal 402, the charging terminal 403 and the communication terminal 404 of the first output port 40, second counter bores 122 are further disposed on two sides of the first end cap 12, and screws are inserted through the second counter bores 122 to connect with the first threaded posts 214 disposed on one end of the first bracket 21 away from the second bracket 22, so as to fixedly connect the first end cap 12 with the first bracket 21, and the screws are disposed in the second counter bores 122, so as to prevent the screws from protruding out of the first end cap 12, thereby ensuring the aesthetic appearance thereof.

As shown in fig. 2, 5 and 7, in the present embodiment, a second output port 50 is disposed on the second side surface 102 of the housing 10, and the second output port 50 is configured to be connected to an electronic device. Specifically, a second circuit board 602 is disposed between the second output port 50 and the support 20, the second output port 50 is electrically connected to the battery cell 30 through the second circuit board 602, the second end cap 13 covers the outer side of the second circuit board 602, so as to wrap the second circuit board 602, a heat dissipation silica gel is disposed between the second circuit board 601 and the support 20, and the heat dissipation silica gel is filled between the second circuit board 602 and the second end cap 13, so as to support the second circuit board 602 while dissipating heat.

As shown in fig. 2, 5, 6, and 10, in this embodiment, the second output port 50 includes at least one Type-C interface 501, the at least one Type-C interface 501 is electrically connected to the plurality of battery cells 30 through the second circuit board 602, an openable dust cap 502 is disposed on the second output port 50 to protect the second output port 50, specifically, a plurality of sockets are disposed on the second end cap 13, the sockets are disposed in one-to-one correspondence with the Type-C interfaces 501 of the second output port 50, and one end of the dust cap 502 is rotatably connected to the second end cap 13 to cover the dust cap 502 on the outer side of the second end cap 13, so as to cover the second output port 50 for protection. In this embodiment, a rotation installation groove is formed in the second end cap 13 near the middle, and the dust cap 502 rotates in the rotation installation groove.

As shown in fig. 2, 5, 6 and 10, in this embodiment, third counter bores 131 are further respectively disposed on two sides of the second end cap 13, and screws pass through the third counter bores 131 to be connected with second threaded posts 223 disposed on one end of the second bracket 22 far away from the first bracket 21, so as to fixedly connect the second end cap 13 with the second bracket 22, and the screws are located in the third counter bores 131, so as to prevent the screws from protruding out of the second end cap 13, thereby ensuring the beauty of the second end cap 13.

As shown in fig. 2, fig. 5, fig. 6, and fig. 10, in another embodiment, the second output port 50 may further include two Type-C interfaces 501 and one USB output interface 503, and both the two Type-C interfaces and the one USB output interface 503 are electrically connected to the plurality of battery cells 30 through the second circuit board 602, so as to connect an electronic device. In this embodiment, the two Type-C interfaces 501 and the USB output interface 503 are spaced from each other by a minimum distance of 10cm.

As shown in fig. 2, 5, 6 and 10, in the present embodiment, the second side surface is provided with a power display portion 504, and correspondingly, the second end cap 13 is provided with a light display hole, so as to observe the power condition of the battery pack. In addition, in the present embodiment, the power display portion 504 is provided with an openable protection cover 5041 to protect the power display portion 504.

As shown in fig. 2, 5, 6, and 10, in this embodiment, in some embodiments, the circuit display portion 504 is mounted on a circuit display circuit board 603, the circuit display portion 504 is electrically connected to the battery cell 30 through the circuit display circuit board 603, the circuit display circuit board 603 is located above the second circuit board 602, that is, between the second circuit board 602 and the second end cap 13, and heat dissipation silicone gel is filled between the circuit display circuit board 603 and the second circuit board 602 and between the circuit display circuit board 603 and the second end cap 13, so as to perform a heat dissipation function and simultaneously support the circuit display circuit board 603 and the second circuit board 602.

As shown in fig. 1 and 11, in some other embodiments, a protrusion 123 is disposed on one side of the first end cap 12, and a fixing groove 124 is disposed on a surface of the housing 10 opposite to the protrusion 123, so that the battery pack 100 can be coupled to a power tool through the protrusion 123 and the fixing groove 124 to provide power for the power tool.

The utility model provides a battery pack, which has smaller volume and large capacity and is provided with at least two output ports with different types, thereby facilitating the connection of different electric tools and/or electronic equipment and improving the applicability of the battery pack; the battery pack can be carried by a plane, and heat dissipation silica gel is arranged at multiple positions in the battery pack, so that the heat dissipation performance of the battery pack is enhanced.

The above description is only a preferred embodiment of the present application and the explanation of the technical principle used, and it should be understood by those skilled in the art that the scope of the present application is not limited to the technical solution of the specific combination of the above technical features, and also covers other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept, for example, the technical solutions formed by mutually replacing the above technical features (but not limited to) having similar functions disclosed in the present application.

Besides the technical features described in the specification, other technical features are known to those skilled in the art, and further description of the other technical features is omitted here in order to highlight the innovative features of the present invention.

Claims

1. A battery pack, comprising:

a holder received in the receiving space;

a plurality of cells connected in series and supported by the support;

the first output port is used for being connected with an electric tool to drive the electric tool to work;

a second output port configured for connection with an electronic device;

2. The battery pack of claim 1, wherein a first circuit board is disposed between the first output port and the bracket, a second circuit board is disposed between the second output port and the bracket, and the bracket comprises a first bracket and a second bracket, and the first bracket and the second bracket are detachably connected.

3. The battery pack according to claim 2, wherein a heat-dissipating silicone rubber is disposed between the first circuit board and the holder, a heat-dissipating silicone rubber is disposed between the second circuit board and the holder, and a heat-dissipating silicone rubber is disposed between the holder and the case.

4. The battery pack of claim 2, wherein the first output port is a female terminal electrically connected to the plurality of cells via the first circuit board, and the first output port comprises a positive terminal, a negative terminal, a charging terminal, and a communication terminal, wherein a distance between the positive terminal and the negative terminal is at least 40cm, a distance between the communication terminal and the charging terminal is at least 20cm, a distance between the positive terminal and the charging terminal is at least 6cm, and a distance between the negative terminal and the communication terminal is at least 6cm.

5. The battery pack of claim 3, wherein the first side comprises a first end cap, the second side comprises a second end cap, and heat-dissipating silicone is filled between the first circuit board and the first end cap and between the second circuit board and the second end cap.

6. The battery pack of claim 3, wherein the second output port comprises at least one Type-C interface electrically connected to the plurality of cells via the second circuit board.

7. The battery pack according to claim 1, wherein an openable dust cover is provided on the second output port.

8. The battery pack according to claim 1, wherein the second side surface is provided with a power display portion for displaying power of the battery pack, and the power display portion is provided with an openable protective cover.

9. The battery pack of claim 1, wherein the second output port comprises two Type-C interfaces and one USB output interface.

10. The battery pack according to claim 1, wherein the battery pack has a length of 130 to 200cm, a width of 60 to 120cm, and a thickness of 20 to 50cm.

11. The battery pack of claim 9, wherein the two Type-C interfaces and the USB output interface are spaced apart from each other by a minimum of 10cm.

12. The battery pack of claim 4, wherein the total positive and negative terminals of the plurality of cells in series are electrically connected to each other via a third circuit board.

13. The battery pack of claim 1, wherein the number of cells is 6, and the capacity of the battery pack is 96Wh.