General-purpose battery pack

The general-purpose battery pack addresses structural incompatibilities by using non-interfering connection members, ensuring versatile tool compatibility and improved user experience.

JP7708792B2Active Publication Date: 2025-07-15ZHEJIANG LERA NEW ENERGY POWER TECH CO LTD
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Patent Information

Application Number
JP2022580550
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2021-01-11
Filing Date
2021-07-21
Publication Date
2025-07-15
Estimated Expiration
2041-07-21

AI Technical Summary

Technical Problem

Conventional battery packs face limitations when used with different power tools due to structural incompatibilities, leading to restricted usability and interference between connection members.

Method used

A general-purpose battery pack design featuring distinct first and second connection members with different shapes and sizes, arranged to avoid interference, and positioned on parallel or perpendicular axes to ensure compatibility with various tools.

Benefits of technology

Ensures seamless operation with multiple tools by preventing interference between connection members, enhancing user experience and design aesthetics.

✦ Generated by Eureka AI based on patent content.

Smart Images

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Patent Text Reader

Abstract

The present invention provides a universal battery pack, comprising: a housing; cells and a circuit board housed in the housing; a first electrical connector connecting one of the positive and negative terminals of the cells to the circuit board; a second electrical connector connecting the other of the positive and negative terminals of the cells to the circuit board; a third electrical connector disposed on the circuit board and including at least one interface, the interface adapted for electrical connection with an external power-consuming device and for supplying power from the cells to the power-consuming device; a first connecting member adapted for connection with a latch of the first power-consuming device; and a second connecting member adapted for connection with a latch of the second power-consuming device. The first connecting member and the second connecting member have different shapes and / or sizes, and do not interfere with each other when connected to the corresponding latch of the power-consuming device. This technical solution is not limited in its use environment and can be used with a variety of tools.
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Description

Technical Field

[0001] The present invention relates to a general-purpose battery pack.

Background Art

[0002] In order to improve the versatility of power tools and prevent the working range of power tools from being restricted by the position of the socket, many commercially available power tools are powered by a battery pack. Power tools have features such as being convenient to carry, easy to operate, and having diversified functions. They can significantly save labor, improve work efficiency, and realize the mechanization of manual operations. Therefore, they are widely applied in fields such as construction, residential interior, automobiles, machinery, electricity, bridges, and gardening. Furthermore, a conventional single battery pack can often be used in combination with multiple tools in the same usage environment, such as gardening tools like lawn mowers, brush cutters, chain saws, and pruning shears. However, when the battery pack is used in combination with power tools in different usage environments, there are many limitations when used in combination with tools due to reasons such as the structural limitations of the tools themselves and different tool structures. Often, it cannot be used in combination with the tools or it will affect the usability.

Summary of the Invention

Problems to be Solved by the Invention

[0003] An object of the present invention is to provide a general-purpose battery that has no restrictions on the usage environment and can be used in combination with various tools.

Means for Solving the Problems

[0004] The general-purpose battery pack provided by the present invention includes a housing, a cell and a circuit board built into the housing, a first electrical connector for connecting one of the positive and negative electrodes of the cell to the circuit board, a second electrical connector for connecting the other of the positive and negative electrodes of the cell to the circuit board, Disposed on the circuit board, including at least one interface, the interface being suitable for electrical connection with an external power-consuming device and capable of supplying power from the cell to the power-consuming device, a third electrical connector; A first connection member suitable for connection with a latch of a first power-consuming device; A second connection member suitable for connection with a latch of a second power-consuming device. The first connection member and the second connection member differ in shape and / or size, and when connected to the latches of the corresponding power-consuming devices, they do not interfere with each other.

[0005] Furthermore, the universal battery pack has a linear path portion connected to the latch of the power-consuming device. When the first connection member and the second connection member are respectively connected to the latches of the corresponding power-consuming devices, the linear path portions are located on the same straight line or parallel straight lines to each other.

[0006] Furthermore, the first connection member and the second connection member are latch grooves. In the power-consuming device, latches corresponding to the first connection member and the second connection member are installed. When one of the latches is latch-connected to one of the latch grooves, it does not latch to the other latch groove in its latch progress path, and / or when the latch is released from the latch connection with one of the latch grooves and disengages from the latch groove, it does not latch to the other latch groove in its latch release and disengagement path.

[0007] Furthermore, the longitudinal directions of the first connection member and the second connection member are perpendicular to the longitudinal direction of the universal battery pack, and their lengths are different.

[0008] Furthermore, the groove pitches of the latch grooves in the direction perpendicular to the longitudinal direction of the universal battery pack are different.

[0009] Compared with the prior art, the beneficial technical effects of the present invention are as follows. In the present technical solution, at least two connection members are installed in the battery pack, the shapes and / or sizes of the two connection members are different, the connection members can be selectively used in combination with different tools, and during use, the two do not interfere with each other, and the operation feeling of the user during use is guaranteed.

[0010] Another object of the present invention is to provide a battery pack suitable for being connected to and used with a latch of an electric power using device based on a specific shape.

[0011] The general-purpose battery pack provided by the present invention includes a housing, a cell and a circuit board built in the housing, a first electrical connector for connecting one of the positive and negative electrodes of the cell to the circuit board, a second electrical connector for connecting the other of the positive and negative electrodes of the cell to the circuit board, a third electrical connector disposed on the circuit board and including at least one interface, the interface being suitable for electrical connection with an external electric power using device and capable of supplying power from the cell to the electric power using device, and a first connection member suitable for connection with a latch of a first electric power using device. The housing includes an arc surface, a first side surface and a second side surface that are in contact with the arc surface and face each other, and a third side surface that is located between the first side surface and the second side surface and extends along the longitudinal direction of the battery pack. The first connection member is installed on the third side surface, and its longitudinal direction is perpendicular to the longitudinal direction of the third side surface.

[0012] Furthermore, at least a part of the third side surface is a continuously extending plane.

[0013] Furthermore, it further includes a second connection member suitable for connection with a latch of a second electric power using device. When the first connection member and the second connection member are respectively connected to the latches of the corresponding electric power using devices, the two do not interfere with each other.

[0014] Furthermore, the second connecting member is installed on the third side surface.

[0015] Furthermore, the longitudinal direction of the second connecting member is perpendicular to the longitudinal direction of the third side surface, and the length of the second connecting member is different from that of the first connecting member.

[0016] Furthermore, the first connecting member and the second connecting member are latch grooves. The power-using equipment is provided with latches corresponding to the first connecting member and the second connecting member. When one of the latches is latched to one of the latch grooves, it does not latch to the other latch groove in the latch advancing path, and / or when the latch releases the latching connection with one of the latch grooves and disengages from the latch groove, it does not latch to the other latch groove in the latch release and disengagement path.

[0017] Compared with the prior art, the beneficial technical effects of the present invention are as follows. In this technical solution, a third electrical connector including at least one interface is installed. The interface can supply power to different power-using equipment, such as electrical equipment in the 3C field or high-current power tools. Furthermore, according to the shape of a specific battery pack, by installing a connecting member used in combination with the power-using equipment on the side surface of the specific battery pack, it is convenient to use and contributes to the appearance design of the outer shape of the battery pack.

[0018] Another object of the present invention is to provide a universal battery that can be used in combination with various tools.

[0019] The universal battery pack provided by the present invention includes a housing, a cell and a circuit board built in the housing, a first electrical connector for connecting one of the positive and negative electrodes of the cell to the circuit board, a second electrical connector for connecting the other of the positive and negative electrodes of the cell to the circuit board, Disposed on the circuit board, including at least one interface, the interface being suitable for electrical connection with an external power-consuming facility of the power tool, a discharge interface for power consumption of the power tool capable of supplying power from the cell to the power-consuming facility of the power tool, and A first connecting member suitable for connection with a latch of a first power-consuming facility and proximate to the discharge interface for power consumption of the power tool, and A second connecting member suitable for connection with a latch of a second power-consuming facility and remote from the discharge interface for power consumption of the power tool, are included. When the second connecting member is connected to the latch of the second power-consuming facility or disengaged from the connection with the latch of the second power-consuming facility and detached from the second power-consuming facility, the first connecting member does not interfere with the second power-consuming facility.

[0020] Furthermore, the first connecting member is a first latch groove. The second connecting member is a second latch groove. A corresponding first latch is installed on the first power-consuming facility. A corresponding second latch is installed on the second power-consuming facility. When the second latch groove is latched to the second latch or disengaged from the latching connection with the second latch and detached from the second latch, the first latch groove does not latch to the second latch.

[0021] Furthermore, the first latch groove and the second latch groove are formed in a rod shape, and the longitudinal directions of both are perpendicular to the longitudinal direction of the general-purpose battery pack. The length of the second latch groove is longer than the length of the first latch groove.

[0022] Compared with the prior art, the beneficial technical effects of the present invention are as follows. In this technical solution, a discharge interface for power consumption of the power tool capable of supplying power to the power-consuming facility of the power tool is disposed, and two connecting members are disposed. The two connecting members can be selectively used in accordance with different tools, and they do not interfere with each other during use.

[0023] A further object of the present invention is to provide a universal battery that can be used in combination with a variety of tools.

[0024] The universal battery pack provided by the present invention includes a housing, a cell and a circuit board built into the housing, a first electrical connector for connecting one of the positive and negative electrodes of the cell to the circuit board, a second electrical connector for connecting the other of the positive and negative electrodes of the cell to the circuit board, a discharge interface for power use of an electric tool that is disposed on the circuit board, includes at least one interface, the interface is suitable for electrical connection with an external power-using facility, and supplies power from the cell to the power-using facility of the electric tool, a first connecting member that is suitable for connection with a latch of a first power-using facility and is close to the discharge interface for power use of the electric tool, a second connecting member that is suitable for connection with a latch of a second power-using facility and is away from the discharge interface for power use of the electric tool. When the first connecting member is connected to the latch of the first power-using facility along its first linear path portion, or is disengaged from the connection with the latch of the second power-using facility and detached from the second power-using facility, the second connecting member is located outside the first linear path portion.

[0025] Furthermore, the first connecting member and the second connecting member are located in the same plane.

[0026] Compared with the prior art, the beneficial technical effects of the present invention are as follows. In this technical solution, a discharge interface for power use of an electric tool that can supply power to the power-using facility of the electric tool is arranged, and two connecting members are arranged. The two connecting members can be selectively used in combination with different tools, and they do not interfere with each other during use.

[0027] To more clearly explain the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the following description of the specific embodiments or the prior art will be briefly introduced. The drawings in the following description are part of the embodiments of the present invention, and it is obvious that those skilled in the art can obtain other drawings from these drawings without creative work.

Brief Description of the Drawings

[0028]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Modes for Carrying Out the Invention

[0029] Hereinafter, the technical means of the present invention will be clearly and completely described in conjunction with the drawings. However, the described embodiments are not all embodiments of the present invention, but some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present invention.

[0030] As shown in FIGS. 1 and 2, the general-purpose battery pack 100 includes a housing 10, a cell 20 and a circuit board 30 built in the housing 10, a first electrical connector 40 connecting one of the positive and negative electrodes of the cell 20 to the circuit board 30, a second electrical connector 50 connecting the other of the positive and negative electrodes of the cell 20 to the circuit board 30, a third electrical connector 60 disposed on the circuit board 30 and including at least one interface, the interface being suitable for electrical connection with an external power-consuming device and capable of supplying power from the cell to the power-consuming devices (200a, 200b), a first connecting member 70 suitable for connection with the latch of the first power-consuming device 200a, and a second connecting member 80 suitable for connection with the latch of the second power-consuming device 200b. When the first connecting member 70 and the second connecting member 80 are respectively connected to the latches of the corresponding power-consuming devices (200a, 200b), they do not interfere with each other.

[0031] In particular, the first connecting member 70 and the second connecting member 80 are different in shape and / or size.

[0032] It should be noted that as the first electrical connector 40 and the second electrical connector 50, it is preferable to use a metal conductive nickel piece. The nickel piece is welded to the pole points of the positive and negative ends of the cell.

[0033] Also, preferably, the above-mentioned third electrical connector 60 may include an interface 60b suitable for power use of electronic products in the 3C area (computer, communication and home appliances), for example, a USB interface used for power use of 3C or 3C peripheral electrical equipment, or may further include a discharge interface 60a suitable for power use of power tools. This power tool is not limited to cordless hand-held power tools, but further includes power-operated equipment powered by secondary batteries such as gardening tools, cordless vacuum cleaners, and DC air compressors.

[0034] Further, the above-described discharge interface 60a includes a blade-type terminal generally used for a battery pack of a conventional power tool or gardening tool, and further includes a pin-type discharge terminal, which contributes to the seal design of the battery pack.

[0035] As shown in FIG. 3, the general-purpose battery pack 100 has linear path portions L1 and L2 connected to the latches of power-consuming devices (200a, 200b). When the first connection member 70 and the second connection member 80 are connected to the latches of the corresponding power-consuming devices (200a, 200b), the linear path portions L1 and L2 are located on the same straight line l or parallel straight lines l1 and l2.

[0036] Specifically, the first connection member 70 is suitable for connection to the latch of the first power-consuming device 200a. When the two are latch-connected, the general-purpose battery pack 100 has the linear path portion L1. The second connection member 80 is suitable for connection to the latch of the second power-consuming device 200b. When the two are latch-connected, the general-purpose battery pack 100 has the linear path portion L2. The linear path portions L1 and L2 are located on the same straight line l or parallel straight lines l1 and l2.

[0037] As shown in FIG. 3, the linear path portions L1 and L2 are located on parallel straight lines l1 and l2. Specifically, the straight lines l1 and l2 are located on the same plane. At this time, the first connection member 70 and the second connection member 80 are displaced from each other.

[0038] Naturally, l1 and l2 may be located on different surfaces. As shown in FIGS. 5 and 6, the first connection member 70 and the second connection member 80 are respectively located on two opposite surfaces of the battery pack.

[0039] As shown in FIG. 4, the first connection member 70 and the second connection member 80 are installed on the same surface of the battery pack 100 along the longitudinal direction of the battery pack, and their central axes are the same as shown by, for example, the line l. Naturally, they may be parallel to each other.

[0040] As shown in FIGS. 7 and 8, the first connection member 70 and the second connection member 80 are latch grooves. In the power-using facilities (200a, 200b), latches (not shown) corresponding to the first connection member 70 and the second connection member 80 are installed. When a latch is latch-connected to one latch groove, it does not latch to another latch groove in its latch advancing path "m", and / or when the latch is released from the latch connection with one latch groove and disengages from the latch groove, it does not latch to another latch groove in its latch release and disengagement path "w".

[0041] The first connection member 70 and the second connection member 80 are latch grooves, which are respectively distributed at both opposite ends of the battery pack 100, and their cross-sectional shapes and sizes are substantially the same. A split rib 70c that protrudes and extends is provided in one latch groove, dividing the latch groove where the first connection member 70 is located into two latch grooves 70a and 70b.

[0042] Also, according to another configuration, the first connection member 70 and the second connection member 80 may be connected to the latches of the power-using facilities (200a, 200b) corresponding to them respectively, and in this case, the two do not interfere with each other. As shown in FIG. 9, the longitudinal directions of the first connection member 70 and the second connection member 80 are perpendicular to the longitudinal direction of the battery pack 100, and their lengths are different.

[0043] Specifically, the first connection member 70 and the second connection member 80 are latch grooves. The groove pitches of the latch grooves in the direction perpendicular to the length of the general-purpose battery pack are different. For example, if the groove pitch of the first connection member 70 is Lq and the groove pitch of the second connection member 80 is Lp, then Lp > Lq.

[0044] In this technical solution, at least two connection members are installed in the battery pack. The connection members can be selectively used in combination with different tools, and during use, the two do not interfere with each other, ensuring the operating feeling of the user during use.

[0045] Specifically, as shown in FIG. 7, when the battery pack 100 is used in accordance with the cleaning device 200a, it is inserted into the cleaning device 200a along the latch advancing path "m", and the first connection member 70 at the lower end is connected to the latch of the cleaning device 200a. At this time, the second connection member 80 is not located in the linear path portion of the latch and does not interfere with or cross the first connection member 70, without affecting the use of the battery pack 100 in accordance with the cleaning device 200a. Similarly, when the battery pack 100 is detached from the cleaning device 200a along the latch release detachment path "w", the second connection member 80 is not located in the linear path portion of the latch and does not interfere with or cross the first connection member 70, without affecting the adaptation of the battery pack 100 to the cleaning device 200a.

[0046] As shown in Fig. 8, when the battery pack 100 is used in accordance with the power tool 200b, it is inserted into the power tool 200b along the latch advancing path "m", and the second connecting member 80 at the rear end is connected to the latch of the power tool equipment 200b. At this time, since the first connecting member 70 is located in the linear path portion of the latch, a split rib 70c protruding and extending into the latch groove of the first connecting member 70 is provided to divide the latch groove where the first connecting member 70 is located into two latch grooves 70a and 70b, and the latch structure in the power tool equipment 200b is latched only to the second connecting member 80 without being latched to the first connecting member 70. By doing so, the first connecting member 70 and the second connecting member 80 do not interfere with each other and do not affect the latching between the battery pack 100 and the power tool equipment 200b. Or, as shown in Fig. 9, the first connecting member 70 and the second connecting member 80 are perpendicular to the longitudinal direction of the general-purpose battery pack 100 in the longitudinal direction, and their lengths are different. Specifically, the first connecting member 70 and the second connecting member 80 are latch grooves. The groove pitches in the direction perpendicular to the length of the general-purpose battery pack of the latch grooves are different. For example, if the groove pitch of the first connecting member 70 is Lq and the groove pitch of the second connecting member 80 is Lp, then Lp > Lq. Thereby, the latch structure in the power tool equipment 200b is latched only to the second connecting member 80 without being latched to the first connecting member 70. By doing so, the first connecting member 70 and the second connecting member 80 do not interfere with each other and do not affect the latching between the battery pack 100 and the power tool equipment 200b.

[0047] Similarly, when the battery pack 100 is detached from the power tool equipment 200b along the latch release detachment path n, the first connecting member 70 does not latch to the latch structure in the power tool equipment 200b, does not interfere with the second connecting member 80, and does not affect the latching between the battery pack 100 and the power tool equipment 200b.

[0048] Also, as shown in FIGS. 1 and 2, the general-purpose battery pack includes a housing 10, cells 20 and a circuit board 30 built into the housing 10, a first electrical connector 40 connecting one of the positive and negative electrodes of the cell 20 to the circuit board 30, a second electrical connector 50 connecting the other of the positive and negative electrodes of the cell 20 to the circuit board 30, a third electrical connector 60 disposed on the circuit board 30 and including at least one interface, the interface being suitable for electrical connection with an external power-consuming facility and capable of supplying power from the cell to the power-consuming facility, and a first connection member 70 suitable for connection with a latch of the first power-consuming facility 200a. The housing 10 includes an arcuate surface 10a, a first side surface 10b and a second side surface 10c that are in contact with the arcuate surface 10a and face each other, and a third side surface 10d that is located between the first side surface 10b and the second side surface 10c and extends along the longitudinal direction of the battery pack. The first connection member 70 is installed on the third side surface 10d, and its longitudinal direction is perpendicular to the longitudinal direction of the third side surface 10d.

[0049] Furthermore, at least a part of the third side surface 10d is a continuously extending plane, which facilitates locking with the locking surface of the power-consuming facility.

[0050] Furthermore, it further includes a second connection member 80 suitable for connection with a latch of the second power-consuming facility 200b. When the first connection member 70 and the second connection member 80 are connected to the latches of the corresponding electrical facilities 200, they do not interfere with each other.

[0051] Furthermore, the second connection member 80 is installed on the third side surface 10d.

[0052] Furthermore, the longitudinal direction of the second connection member 80 is perpendicular to the longitudinal direction of the third side surface 10d and has a different length from that of the first connection member 70.

[0053] Furthermore, the first connection member 70 and the second connection member 80 are latch grooves. In the power-using equipment, latches (not shown) corresponding to the first connection member 70 and the second connection member 80 are installed together. When the latch is connected to the latch of one of the latch grooves, it does not latch to the other latch groove in its latch advancing path, and / or when the latch is released from the connection with the latch of one of the latch grooves and disengages from the latch groove, it does not latch to the other latch groove in its latch release and disengagement path.

[0054] In this technical solution, a third electrical connector 60 including at least one interface is arranged. The interface can supply power to different power-using equipment, such as electrical equipment in the 3C area or high-current power tools, etc. According to the shape of a specific battery pack, by installing a connection member adapted to the power-using equipment on the side surface of the specific battery pack, it is user-friendly and contributes to the appearance design of the outer shape of the battery pack.

[0055] Continuing to refer to FIGS. 1 to 9. As shown in FIGS. 1 to 9, the general-purpose battery pack 100 includes a housing 10, cells 20 and a circuit board 30 built in the housing 10, a first electrical connector 40 connecting one of the positive and negative electrodes of the cell 20 to the circuit board 30, a second electrical connector 50 connecting the other of the positive and negative electrodes of the cell 20 to the circuit board 30, a discharge interface 60a for power use of a power tool, which is arranged on the circuit board 30 and includes at least one interface, and the interface is suitable for electrical connection with an external power-using equipment and can supply power from the cell to the power-using equipment of the power tool; a first connection member 70 suitable for connection with the latch of the first power-using equipment and close to the discharge interface 60a for power use of the power tool; and a second connection member 80 suitable for connection with the latch of the second power-using equipment and away from the discharge interface 60a for power use of the power tool. When the second connection member 80 is connected to the latch of the second power-using equipment or is released from the connection with the latch of the second power-using equipment and disengages from the second power-using equipment, the first connection member 70 does not interfere with the second power-using equipment.

[0056] Specifically, the first connection member 70 is a first latch groove, and the second connection member 80 is a second latch groove. A corresponding first latch is installed on the first power-consuming equipment, and a corresponding second latch is installed on the second electrical equipment. When the second latch groove is latched to the second latch or released from the latching connection with the second latch and disengaged from the second latch, the first latch groove does not latch to the second latch.

[0057] More specifically, as shown in FIG. 9, the first latch groove and the second latch groove are formed in a rod shape, and the longitudinal directions of both are perpendicular to the longitudinal direction of the general-purpose battery pack. Also, the length of the second latch groove is longer than the length of the first latch groove.

[0058] Thereby, when the second latch groove is connected to the latch of the second power-consuming equipment or released from the connection with the latch of the second power-consuming equipment and disengaged from the second power-consuming equipment, since the length of the second latch groove is longer than the length of the first latch groove, the latch corresponding to the second latch groove of the second power-consuming equipment is also necessarily longer than the first latch groove. Further, the first latch groove is in the linear path portion L2 corresponding to the second power-consuming equipment of the second latch groove, but since the latch of the second power-consuming equipment is longer than the first latch groove, it does not latch to the second power-consuming equipment. By doing so, interference does not occur.

[0059] Continue to refer to FIGS. 1-9. As shown in FIGS. 1-9, the general-purpose battery pack includes a housing 10, cells 20 and a circuit board 30 built into the housing 10, a first electrical connector 40 connecting one of the positive and negative electrodes of the cell 20 to the circuit board 30, a second electrical connector 50 connecting the other of the positive and negative electrodes of the cell 20 to the circuit board 30, a discharge interface 60a for power use of a power tool disposed on the circuit board 30 and including at least one interface, the interface being suitable for electrical connection with an external power-using facility and supplying power from the cell to the power-using facility of the power tool, a first connection member 70 suitable for connection with a latch of a first power-using facility and close to the discharge interface 60a for power use of the power tool, and a second connection member 80 suitable for connection with a latch of a second power-using facility and away from the discharge interface 60a for power use of the power tool. When the first connection member 70 is connected to the latch of the first power-using facility along its first linear path portion L1 or is disconnected from the connection with the latch of the first power-using facility and detached from the first power-using facility, the second connection member 80 is located outside the first linear path portion L1. Thereby, the second connection member 80 does not affect the locking between the battery pack 100 and the cleaning device 200a without necessarily interfering with or interacting with the first connection member 70.

[0060] Note that the first connection member 70 and the second connection member 80 are preferably located in the same plane 10d.

[0061] Also, the circuit board 30 is supported at a distance from the support frame. The minimum pitch between the circuit board and the support frame is less than 2 mm. By setting the pitch H, it is effectively ensured that there is a certain heat dissipation effect and electronic mounting space between the circuit board 30 and the cell 20.

[0062] Furthermore, if the width of the circuit board 30 is Y and the diameter of the cell 20 is D, the width Y is 95% or less of the width D. In this embodiment, the width Y of the circuit board 30 is 20 mm and the diameter D of the cell 20 is 21 mm.

[0063] Also, assuming the length of the cell 20 is L3 and the length of the battery pack 100 is L4, L4 is 1.3 times or less of L3. Assuming the diameter of the cell is D and the height of the battery pack is M, M is 1.8 times or less of D. In a specific embodiment, the length of the cell 20 is 70 mm, the length of the battery pack 100 is 82 mm, the diameter of the cell 20 is 21 mm, and the height of the battery pack 100 is 36 mm. According to the installation of the above configuration, the battery pack of this embodiment effectively guarantees the small size of the structure, is convenient to carry when used as a mobile power source, and can be applied to various small electric tools.

[0064] Finally, it should be noted that the above embodiments do not limit the technical means according to the present invention and are only used for explaining them. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that improving the technical means described in the above embodiments, equivalently replacing some or all of the technical features thereof, these improvements and equivalent replacements do not deviate from the scope of protection of each embodiment of the present application.

Claims

1. A general-purpose battery pack, comprising: a housing; a cell and a circuit board housed in the housing; a first electrical connector for connecting one of the positive and negative electrodes of the cell to the circuit board; a second electrical connector for connecting the other of the positive and negative electrodes of the cell to the circuit board; a third electrical connector disposed on the circuit board, including at least one interface, the interface being suitable for electrical connection with an external power-consuming facility and capable of supplying power from the cell to the power-consuming facility; a first connecting member suitable for connection with a latch of a first power-consuming facility; a second connecting member suitable for connection with a latch of a second power-consuming facility, wherein when the first connecting member is connected to the latch of the corresponding power-consuming facility, the path of the latch is defined as a linear path portion L1, and when the second connecting member is connected to the latch of the corresponding power-consuming facility, the path of the latch is defined as a linear path portion L2, the linear path portion L1 and the linear path portion L2 are located on parallel straight lines; the first connecting member and the second connecting member are different in shape and / or size, and when connected to the latches of the corresponding power-consuming facilities respectively, they do not interfere with each other. A general-purpose battery pack characterized by this.

2. The first connecting member and the second connecting member are latch grooves, and the power-consuming facility is provided with latches corresponding to the first connecting member and the second connecting member, wherein when the latch is latch-connected to one of the latch grooves, it does not latch to the other latch groove in the latch advancing path, and / or when the latch is released from the latch connection with one of the latch grooves and disengages from the latch groove, it does not latch to the other latch groove in the latch release and disengagement path. The general-purpose battery pack according to Claim 1, characterized by this.

3. The first connecting member and the second connecting member are characterized in that their longitudinal directions are perpendicular to the longitudinal direction of the general-purpose battery pack, and their lengths are different. The general-purpose battery pack according to Claim 1.

4. The general-purpose battery pack according to Claim 2, characterized in that the groove pitches of the latch grooves in the direction perpendicular to the longitudinal direction of the general-purpose battery pack are different.

5. The housing includes an arcuate surface, a first side surface and a second side surface that are in contact with the arcuate surface and face each other, and a third side surface that is located between the first side surface and the second side surface and extends along the longitudinal direction of the battery pack. The general-purpose battery pack according to claim 1, wherein the first connection member is installed on the third side surface, and the longitudinal direction thereof is perpendicular to the longitudinal direction of the third side surface.

6. The general-purpose battery pack according to claim 5, wherein at least a part of the third side surface is a continuously extending plane.

7. The general-purpose battery pack according to claim 5 or 6, wherein the second connection member is installed on the third side surface.

8. The general-purpose battery pack according to claim 7, wherein the longitudinal direction of the second connection member is perpendicular to the longitudinal direction of the third side surface, and the length thereof is different from that of the first connection member.

9. The first connection member and the second connection member are latch grooves, Latch corresponding to the first connection member and the second connection member is installed in the power-using equipment, When the latch is connected to the latch of one of the latch grooves, the latch does not engage with the other latch groove in the latch advancing path, and / or when the latch is disconnected from the latch of one of the latch grooves and disengages from the latch groove, the latch does not engage with the other latch groove in the latch release and disengagement path. The general-purpose battery pack according to claim 5 or 6 is characterized in that.

10. A general-purpose battery pack, A housing, A cell and a circuit board built in the housing, A first electrical connector for connecting one of the positive and negative electrodes of the cell to the circuit board, A second electrical connector for connecting the other of the positive and negative electrodes of the cell to the circuit board, Disposed on the circuit board and including at least one interface, the interface being suitable for electrical connection with an external power-using equipment, and a discharge interface for power use of an electric tool capable of supplying power from the cell to the power-using equipment of the electric tool, A first connection member suitable for connection with the latch of the first power-using equipment and close to the discharge interface for power use of the electric tool, Including a second connection member suitable for connection with the latch of the second power-using equipment and away from the discharge interface for power use of the electric tool. When the first connection member is connected to the latch of the corresponding first power-using equipment, the path of the latch is defined as the linear path portion L1, and when the second connection member is connected to the latch of the corresponding second power-using equipment, the path of the latch is defined as the linear path portion L2. Then, the linear path portion L1 and the linear path portion L2 are located on straight lines parallel to each other. A general-purpose battery pack, characterized in that when the second connection member is connected to the latch of the second power-using equipment, or is disconnected from the connection with the latch of the second power-using equipment and detached from the second power-using equipment, the first connection member does not interfere with the second power-using equipment.

11. The first connection member is a first latch groove. The second connection member is a second latch groove. A corresponding first latch is installed in the first power-using equipment. A corresponding second latch is installed in the second power-using equipment. The general-purpose battery pack according to claim 10, characterized in that when the second latch groove is latched to the second latch, or is disconnected from the latching connection with the second latch and detached from the second latch, the first latch groove does not latch to the second latch.

12. The first latch groove and the second latch groove are formed in a rod shape, and the longitudinal directions of both are perpendicular to the longitudinal direction of the general-purpose battery pack. The general-purpose battery pack according to claim 11, characterized in that the length of the second latch groove is longer than the length of the first latch groove.

13. A general-purpose battery pack, comprising: a housing; a cell and a circuit board built in the housing; a first electrical connector connecting one of the positive and negative electrodes of the cell to the circuit board; a second electrical connector connecting the other of the positive and negative electrodes of the cell to the circuit board; being disposed on the circuit board and including at least one interface, the interface being suitable for electrical connection with an external power-using equipment, and being a discharge interface for power use of an electric tool that supplies power from the cell to the power-using equipment of the electric tool; a first connection member suitable for connection with the latch of the first power-using equipment and close to the discharge interface for power use of the electric tool; a second connection member suitable for connection with the latch of the second power-using equipment and away from the discharge interface for power use of the electric tool. When the path of the latch in the case where the first connecting member is connected to the latch of the corresponding power-using equipment is taken as the first linear path portion, when the first connecting member is connected to the latch of the first power-using equipment along the first linear path portion, or when it is disconnected from the connection with the latch of the second power-using equipment and separated from the second power-using equipment, the second connecting member is located outside the first linear path portion. A general-purpose battery pack characterized by this.

14. The general-purpose battery pack according to claim 13, characterized in that the first connecting member and the second connecting member are located in the same plane.

Citation Information

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