CN212659631U - Multifunctional battery pack - Google Patents

Multifunctional battery pack Download PDF

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Publication number
CN212659631U
CN212659631U CN202021253312.0U CN202021253312U CN212659631U CN 212659631 U CN212659631 U CN 212659631U CN 202021253312 U CN202021253312 U CN 202021253312U CN 212659631 U CN212659631 U CN 212659631U
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CN
China
Prior art keywords
battery pack
battery cell
circuit board
electrical connector
battery
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Application number
CN202021253312.0U
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Chinese (zh)
Inventor
柯亨钊
戴建红
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Zhejiang Lera New Energy Power Technology Co Ltd
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Zhejiang Lera New Energy Power Technology Co Ltd
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Priority to CN202021253312.0U priority Critical patent/CN212659631U/en
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Publication of CN212659631U publication Critical patent/CN212659631U/en
Priority to PCT/CN2021/080104 priority patent/WO2022001167A1/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/502Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/502Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/519Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The utility model discloses a multifunctional battery pack, which relates to the technical field of battery packs and comprises a shell, an electric core and a circuit board, wherein the electric core and the circuit board are arranged in the shell; the negative electrode of the battery cell is electrically connected with the circuit board through a second electric connector; the end part of the battery pack is also provided with a first interface which is electrically connected with the circuit board through a third electric connector; the first interface is used for being electrically connected with external electric equipment, so that the electric power of the battery cell can be supplied to the electric equipment through the first interface; the utility model adopts the structural design of the battery pack with a single battery cell, so that the battery pack has simpler structure and smaller volume, is suitable for supplying power to various devices, and simultaneously ensures the sealing effect of the battery pack through the pinhole type connecting terminal; meanwhile, the compact structural design is adopted, the size of the whole battery pack is greatly reduced, the application range of the battery pack is wider, and the battery pack can be used for equipment such as garden tools.

Description

Multifunctional battery pack
Technical Field
The utility model belongs to the technical field of the battery package technique and specifically relates to a multifunctional battery package.
Background
In order to improve the universality of the electric tool and enable the working range of the electric tool not to be limited by the position of a socket, a battery pack power supply mode is adopted in many electric tools on the market. The electric tool has the characteristics of convenience in carrying, simplicity in operation, various functions and the like, can greatly reduce the labor intensity, improve the working efficiency and realize manual operation mechanization, so that the electric tool is widely applied to the fields of buildings, house decoration, automobiles, machinery, electric power, bridges, gardening and the like and can enter families in a large quantity. For the electric tool, whether the battery pack is suitable or not and whether the battery pack is firmly assembled or not are very important for the electric tool, the conventional battery pack mounting device for the electric tool is generally directly fixed on the electric tool, so that the battery pack cannot be conveniently replaced, and meanwhile, because the battery pack is large in size, the battery pack cannot be suitable for supplying power to various electric tools, the battery pack is inconvenient to charge and discharge, and the conventional battery pack is single in function and complex in structure.
SUMMERY OF THE UTILITY MODEL
First, technical problem to be solved
The utility model discloses an above-mentioned defect to prior art exists, specially propose a multi-functional battery package, solve current battery package structure complicacy, the great problem of volume has still solved current battery package function singleness simultaneously, is not applicable to the problem of supplying power to multiple equipment.
Second, technical scheme
In order to solve the technical problem, the utility model provides a multifunctional battery pack, place electric core and the circuit board in the casing in including the casing, still include:
the first electric connector is used for connecting one ends of the positive electrode and the negative electrode of the battery cell with the circuit board;
the second electric connector is used for connecting the other ends of the positive electrode and the negative electrode of the battery cell with the circuit board;
the third electrical connector is configured on the circuit board and comprises at least one first interface, and the first interface is used for being electrically connected with external electric equipment, so that the electric power from the battery cell can be supplied to the electric equipment through the third electrical connector;
the fourth electric connector is configured on the circuit board and comprises at least one second interface, and the second interface is used for being electrically connected with external electric equipment and a charging source, so that electric power can be supplied to the electric equipment through the second interface; the charge may be provided to the cells through the second interface.
The third electrical connector and the fourth electrical connector are positioned on the same side or two opposite sides of the battery pack.
The first interface and/or the second interface extend outwards along the axial direction of the positive electrode and the negative electrode of the battery cell.
The first electric connector and the second electric connector at least comprise longitudinal bending sections extending along the axial direction of positive and negative electrodes of the battery cell.
A circuit board width Y, a cell diameter D, wherein the width Y is 95% or less of the width D.
Two ends of the circuit board in the length direction are respectively close to two ends of a positive electrode and a negative electrode of the battery cell, and are respectively provided with a distance L1 and a distance L2; l1 or L2 ≦ 5 mm.
The battery cell length is L3, the battery pack length is L4, and L4 is 1.3 times or less than L3.
Wherein, the battery core diameter is D, and the battery package height is M, and M is 1.8 times or less than D.
The battery pack further comprises a supporting framework, the circuit board is fixedly supported on the supporting framework at intervals, and the minimum distance between the circuit board and the supporting framework is not larger than 2 mm.
A multifunctional battery pack comprises a shell, a battery core and a circuit board which are arranged in the shell,
an input electrical connector configured to be connectable to a charging source so that charge can be provided to the cells through the input electrical connector to charge the cells;
an output electrical connector configured to be electrically connected to the electrical consumer such that power from the battery cell may be provided to the electrical consumer through the output electrical connector;
and a case housing the battery cell, the case having a length of 130% or less of a length of the cell; the cell length is 70 mm.
A multifunctional battery pack comprises a shell, a battery core and a circuit board which are arranged in the shell,
an input electrical connector configured to be connectable to a charging source so that charge can be provided to the cells through the input electrical connector to charge the cells;
an output electrical connector configured to be electrically connected to the electrical consumer such that power from the battery cell may be provided to the electrical consumer through the output electrical connector;
and a case housing the battery cell, the case having a height of 180% or less of the cell diameter; the diameter of the cell is 21 mm.
A multifunctional battery pack comprises a shell, a battery core and a circuit board which are arranged in the shell,
an input electrical connector configured to be connectable to a charging source so that charge can be provided to the cells through the input electrical connector to charge the cells;
an output electrical connector configured to be electrically connected to the electrical consumer such that power from the battery cell may be provided to the electrical consumer through the output electrical connector;
the width of the circuit board is Y, the diameter of the battery core is D, and the width Y is 95% or less of the width D.
A multifunctional battery pack comprises a shell, a battery core and a circuit board which are arranged in the shell,
an input electrical connector configured to be connectable to a charging source so that charge can be provided to the cells through the input electrical connector to charge the cells;
an output electrical connector configured to be electrically connected to the electrical consumer such that power from the battery cell may be provided to the electrical consumer through the output electrical connector;
two ends of the circuit board in the length direction are close to the positive electrode and the negative electrode of the battery cell, and are provided with intervals L1 and L2; l1 or L2 ≦ 5 mm.
A multifunctional battery pack comprises a shell, a battery core and a circuit board which are arranged in the shell,
an input electrical connector configured to be connectable to a charging source so that charge can be provided to the cells through the input electrical connector to charge the cells;
an output electrical connector configured to be electrically connected to the electrical consumer such that power from the battery cell may be provided to the electrical consumer through the output electrical connector;
the battery pack further comprises a supporting framework, the circuit board is fixedly supported on the supporting framework at intervals, and the minimum distance between the circuit board and the supporting framework is not more than 2 mm.
Third, beneficial effect
Compared with the prior art, the battery pack of the utility model has the advantages that the battery pack structure is simpler and the size is smaller by adopting the structural design of the battery pack with the single battery cell, and the battery pack of the utility model is suitable for supplying power to various devices by the multi-interface structural design of the first interface and the second interface, and simultaneously, the sealing effect of the battery pack is ensured by the pinhole type connecting terminal; furthermore, the battery pack of the utility model can be used for charging mobile devices such as mobile phones;
moreover, through the design of the waterproof sealing gasket, the mounting gap is completely sealed, and meanwhile, the mounting gap is completely attached to the side walls of the third electric connector and the fourth electric connector, so that the sealing effect is further ensured, and meanwhile, the corresponding positioning mounting effect is achieved through the sleeve connection with the fourth electric connector;
adopt compact structural design simultaneously, reduced the volume of whole battery package greatly for the application scope of battery package is wider, not only includes the handheld electric tool of no rope class, still includes the power operation equipment that adopts secondary battery as the power supply such as garden instrument, wireless dust catcher, direct current air compressor machine.
Drawings
Fig. 1 is a perspective view of the battery pack of the present invention;
fig. 2 is an exploded view of the battery pack of the present invention 1;
fig. 3 is an exploded view of the battery pack of the present invention, fig. 2;
fig. 4 is a structural diagram of the circuit board of the present invention;
fig. 5 is a cross-sectional view of the present invention;
fig. 6 is a perspective view of the present invention;
in the figure: 1 is a shell; 2 is an electric core; 3 is a circuit board; 4 is a first electrical connector; 5 is a second electrical connector; 6 is a third electrical connector; 7 is a fourth electrical connector; 8 is a supporting framework; 9 is a waterproof sealing gasket; 10 is a first interface; 12 is a second interface; 15 is an insulating pad; 16 is a supporting fixture block; 17 is a clamping buckle plate; 18 is a first opening; 19 is a second opening; 20 is a first shell; and 21 is a second housing.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Example 1:
the utility model discloses a multifunctional battery package, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, place electric core 2 and circuit board 3 in casing 1 in including casing 1, still include:
the first electric connector 4 is used for connecting one ends of the positive electrode and the negative electrode of the battery cell 2 with the circuit board 3;
the second electric connector 5 is used for connecting the other ends of the anode and the cathode of the battery cell 2 with the circuit board 3;
as shown in fig. 1, in this embodiment, the third electrical connector 6 is disposed on the circuit board 3 and includes at least one first interface 10, where the first interface 10 is used to electrically connect with an external electrical device, so that power from the battery cell 2 can be provided to the electrical device through the third electrical connector; a fourth electrical connector 7 disposed on the circuit board 3 and including at least one second interface 12, wherein the second interface 12 is used for electrically connecting with an external electrical device and a charging source, so that the electrical device can be powered through the second interface 12; the second interface 12 can provide electric charge to the electric core 2, and the third electrical connector 6 and the fourth electrical connector 7 can be arranged on the same side or two opposite sides of the battery pack according to actual product requirements;
the second interface 12 in this embodiment can be used for both discharging and charging, specifically, the second interface 12 is a type-C interface, the first interface 10 is a pinhole type connection terminal, the first interface 10 is used for supplying power to various handheld electric tools, such as a cordless dust collector, a direct current air compressor, other garden tools, and the like, and the pinhole type connection terminal can effectively improve the waterproof sealing effect of the battery pack and is more convenient to plug; the battery pack of this embodiment is small and exquisite in structure, can also be used as portable power source, and at this moment, the second interface 12 that the accessible adopted the type-C interface charges for mobile devices such as cell-phones, flat board, can also charge for electric core 2 of battery pack through the type-C interface simultaneously.
Specifically, the battery pack in this embodiment further includes a support frame 8, where the support frame 8 is used to mount the electric core 2 and the circuit board 3, as shown in fig. 2, the electric core 2 is a single-section 21700 electric core, an arc-shaped groove is formed in the upper portion of the support frame 8 and is used to arrange the electric core 2, and an insulating pad 15 is arranged between the support frame 8 and the electric core 2; the electric leakage protection effect can be achieved, and particularly when the damage condition of the surface of the battery cell 2 occurs, the electric leakage condition is guaranteed not to occur.
In the present embodiment, in order to realize that the circuit board 3 is supported on the supporting framework 8 at intervals, two sides of the bottom of the supporting framework 8 are respectively provided with 2 protruding supporting fixture blocks 16; two sides of the bottom of the supporting framework 8 are respectively provided with 2 clamping buckle plates 17, the supporting fixture block 16 is used for spacing the circuit board 3 from the supporting framework 8, namely the stepped supporting fixture block 16 is used for limiting the minimum distance between the circuit board 3 and the supporting framework 8, and the clamping buckle plates 17 are used for fastening and fixing the circuit board 3 and the supporting framework 8; the minimum distance between the circuit board 3 and the supporting framework 8 is H, the minimum distance between the circuit board 3 and the supporting framework 8 is not more than 2mm, and in this embodiment, H is 1.57 mm; through minimum distance H's setting, effectively guarantee to have certain radiating effect between circuit board 3 and electric core 2.
The width of the circuit board 3 is Y, the diameter of the battery cell 2 is D, and the width Y is 95% or less of the width D; in this embodiment, the width Y of the circuit board 3 is 20mm, and the diameter D of the battery cell 2 is 21 mm.
Two ends of the circuit board 3 in the length direction are respectively close to two ends of the positive electrode and the negative electrode of the battery core 2, two ends of the circuit board 3 do not exceed two ends of the positive electrode and the negative electrode of the battery core 2, and two ends of the circuit board 3 and two ends of the positive electrode and the negative electrode of the battery core 2 are respectively provided with intervals L1 and L2; l1 is less than or equal to 5mm, and L2 is less than or equal to 5 mm; in this example, L1-5 mm, L2-5 mm,
as shown in fig. 5 and 6, the length of the battery cell 2 is L3, the length of the battery pack is L4, and L4 is 1.3 times or less than L3; the diameter of the battery core is D, the height of the battery pack is M, and M is 1.8 times or less than D; in this embodiment, the length of the battery core 2 is 70mm, and the length of the battery pack is 82 mm; the diameter of the battery core is 21mm, and the height of the battery pack is 36 mm; adopt above-mentioned structure setting, can effectively guarantee that the structure of the battery package of this embodiment is small and exquisite, when using as portable power source, portable can be applicable to various small-size electric tool simultaneously.
As shown in fig. 4, the first interface 10 and/or the second interface 12 extend outward along the positive and negative axial directions of the battery core 2; the second interface 12 extends outward along the positive and negative axes of the electric core 2, that is, the plugging directions of the first interface 10 and the second interface 12 are both set along the longest side of the battery pack, which is more convenient for use.
In this embodiment, the housing 1 is provided with a second opening 19 corresponding to the second port 12; the shell 1 is provided with a first opening 18 corresponding to the first interface 10; and the second interface 12 and the first interface 10 are arranged at the same end of the battery pack in parallel, that is, through the arrangement of the first interface 10 and the second interface 12, the problem of multifunctional applicability of the battery pack in the embodiment is realized, and the battery pack is small in overall structure and easy and convenient to use.
And a mounting gap is arranged between the third electric connector 6 and the supporting framework 8, and a mounting gap is arranged between the fourth electric connector 7 and the supporting framework 8, specifically, the fourth electric connector 7 slightly protrudes out of the third electric connector 6, the mounting gaps between the third electric connector 6, the fourth electric connector 7 and the supporting framework 8 are sealed by a waterproof sealing gasket 9, a slot corresponding to the third electric connector 6 and the fourth electric connector 7 is arranged on the waterproof sealing gasket 9, the waterproof sealing gasket 9 is sleeved on the fourth electric connector 7, and the waterproof gasket 9 completely seals the installation gap by slight extrusion deformation between the supporting framework 8 and the shell 1, meanwhile, the side walls of the third electric connector 6 and the fourth electric connector 7 are completely attached tightly, so that the sealing effect is further ensured, and meanwhile, the corresponding positioning and mounting effects are achieved through the fourth electric connector 7.
The battery pack in the embodiment supplies power by taking the battery cell 2 as a power supply, adopts a single 21700 battery cell, and is suitable for power tools not only limited to cordless handheld power tools, but also power operation equipment such as garden tools, cordless dust collectors and direct-current air compressors which adopt secondary batteries as power sources; the battery pack has the advantages that the application range of the battery pack is greatly improved, the whole structure is simple, the battery pack can be used as a portable mobile power source, the size is small, and the functionality is stronger.
And the first electric connector 4 and the second electric connector 5 at least comprise longitudinal bending sections extending along the axial direction of the positive electrode and the negative electrode of the battery cell 2, namely the right-angle-shaped bending first electric connector 4 and the right-angle-shaped bending second electric connector 5 are respectively used for connecting the positive electrode and the negative electrode of the battery cell and the circuit board 3.
Example 2:
compared with embodiment 1, in this embodiment, the battery pack is further provided with at least 2 first interfaces 10, the first interfaces 10 are electrically connected to the circuit board 3 through the third electrical connector 6, and the first interfaces 10 can be used for being electrically connected to external electric equipment and a power supply, so that the electric power of the battery cell 2 can be supplied to the electric equipment through the first interfaces 10; specifically, the number of the first interfaces 10 in this embodiment is 2, and 2 first interfaces 10 are respectively disposed at two ends of the battery pack; the 2 first interfaces 10 respectively include a pin-type terminal and a USB interface, the pin-type terminal is arranged as in embodiment 1, and the USB interface is arranged on the side of the battery pack opposite to the pin-type terminal.
The application range of the battery pack used as a mobile power supply is further improved through the arrangement of the USB interface.
Example 3:
compared with embodiment 1, in this embodiment, the casing 1 includes a first casing 20 for accommodating the battery cell 2 and at least one second casing 21, the second casing 21 is disposed at the positive electrode and/or the negative electrode of the battery cell 2, and the first casing 20 and the second casing 21 form a sealed cavity for accommodating the battery cell 2; specifically, as shown in fig. 3, in the present embodiment, there is only one first casing 20 and only one second casing 21, the second casing 21 is disposed at the positive electrode end or the negative electrode end of the battery cell 2, and a curved and closed separation edge is disposed between the first casing 20 and the second casing 21, and the separation edges are located in the same plane; the plane of the separation edge is parallel to the plane of the positive electrode and the negative electrode of the battery core 2, that is, the edge of the second casing 21 is the separation edge matched with the first casing 20, the plane of the second casing 21 is perpendicular to the axial direction of the positive electrode and the negative electrode of the battery core 2, and the first casing 20 is barrel-shaped; the outer surface of the radial periphery side of the cell 2, which is accommodated by the casing 1, has no separated edge, the first casing 20 is of an integrated structure, the second casing 21 is embedded and fixed at the end of the first casing 20, specifically, the first casing 20 and the second casing 21 are embedded and clamped and fixed with each other through a clamping structure, and the separated edges of the first casing 20 and the second casing 21 are located at the outer end face of the casing 1; the side wall of the structure of the shell 1 of the embodiment has no visible separation edge, so that the integrated design feeling is reflected, and the hand-holding feeling is better when the shell is used as a mobile power supply.
And the first shell 20 and the second shell 21 are connected in a sealing mode, the sealing connection mode is ultrasonic welding, and the whole sealing performance is further improved.
Example 4:
compared with embodiment 3, in this embodiment, there are only 1 first casing 20, 2 second casings 21, and the second casings 21 are fixed at two opposite ends of the first casing 20 by sealing connection, that is, the first casing 20 is barrel-shaped with two through ends, and the two second casings 21 have the same shape and size, and are respectively fixed to two ends of the first casing 20 by sealing, and the sealing connection is ultrasonic welding, so as to further improve the overall sealing performance.
Example 5:
compared with the embodiment 1, the battery pack of the embodiment includes a casing, a battery core 2 and a circuit board 3 embedded in the casing 1,
an input electrical connector configured to be connectable to a charging source so that electric charge can be supplied to the battery cell 2 through the input electrical connector to charge the battery cell 2;
an output electrical connector configured to be electrically connected to an electrical consumer, so that power from the battery cell 2 may be provided to the electrical consumer through the output electrical connector;
and a case 1 accommodating the battery unit, the case 1 having a length of 130% or less of a length of the battery cell 2; specifically, the cell 2 has a length of 70 mm.
Example 6:
compared with the embodiment 1, the battery pack of the embodiment includes a casing 1, a battery core 2 and a circuit board 3 embedded in the casing 1,
an input electrical connector configured to be connectable to a charging source so that electric charge can be supplied to the battery cell 2 through the input electrical connector to charge the battery cell 2;
an output electrical connector configured to be electrically connected to an electrical consumer, so that power from the battery cell 2 may be provided to the electrical consumer through the output electrical connector;
and a case 1 accommodating the battery unit, the height of the case 1 being 180% or less of the diameter of the battery cell 2; specifically, the cell diameter was 21 mm.
Example 7:
compared with the embodiment 1, the battery pack of the embodiment includes a casing 1, a battery core 2 and a circuit board 3 embedded in the casing,
an input electrical connector configured to be connectable to a charging source so that electric charge can be supplied to the battery cell 2 through the input electrical connector to charge the battery cell 2;
an output electrical connector configured to be electrically connected to an electrical consumer, so that power from the battery cell 2 may be provided to the electrical consumer through the output electrical connector;
the width of the circuit board 3 is Y, the diameter of the battery cell 2 is D, and the width Y is 95% or less of the width D, specifically, the width Y of the circuit board 3 is 20mm, and the diameter D of the battery cell 2 is 21 mm.
Example 8:
compared with the embodiment 1, the battery pack of the embodiment includes a casing 1, a battery core 2 and a circuit board 3 embedded in the casing 1,
an input electrical connector configured to be connectable to a charging source so that electric charge can be supplied to the battery cell 2 through the input electrical connector to charge the battery cell 2;
an output electrical connector configured to be electrically connected to an electrical consumer, so that power from the battery cell 2 may be provided to the electrical consumer through the output electrical connector;
two ends of the circuit board 3 in the length direction are close to the positive electrode and the negative electrode of the battery cell, and are provided with intervals L1 and L2; l1 or L2 ≦ 5 mm; specifically, L1-5 mm and L2-5 mm.
Example 9:
compared with the embodiment 1, the battery pack of the embodiment includes a casing 1, a battery core 2 and a circuit board 3 embedded in the casing 1,
an input electrical connector configured to be connectable to a charging source so that electric charge can be supplied to the battery cell 2 through the input electrical connector to charge the battery cell 2;
an output electrical connector configured to be electrically connected to an electrical consumer, so that power from the battery cell 2 may be provided to the electrical consumer through the output electrical connector;
the battery pack further comprises a supporting framework 8, the circuit board 3 is fixedly supported on the supporting framework 8 at intervals, and the minimum distance between the circuit board 3 and the supporting framework 8 is not more than 2 mm; specifically, the minimum pitch is 1.57 mm;
the above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (16)

1. The utility model provides a multifunctional battery pack, includes casing (1), places in electric core (2) and circuit board (3) in casing (1), its characterized in that still includes:
the first electric connector (4) is used for connecting one ends of the positive electrode and the negative electrode of the battery cell (2) with the circuit board (3);
the second electric connector (5) is used for connecting the other ends of the positive electrode and the negative electrode of the battery cell (2) with the circuit board (3);
a third electrical connector (6) configured on the circuit board (3) and including at least a first interface (10), wherein the first interface (10) is used for electrically connecting with an external electric device, so that the electric power from the battery cell (2) can be provided to the electric device through the third electrical connector;
a fourth electrical connector (7) configured on the circuit board (3) and including at least one second interface (12), wherein the second interface (12) is used for electrically connecting with an external electric device and a charging source, so that the electric device can be supplied with power through the second interface (12); the electrical charge can in turn be supplied to the electrical core (2) via a second interface (12).
2. The multifunctional battery pack according to claim 1, wherein: the third electrical connector (6) and the fourth electrical connector (7) are located on the same side or on opposite sides of the battery pack.
3. The multifunctional battery pack according to claim 1, wherein: the first interface (10) and/or the second interface (12) extend outwards along the axial direction of the positive electrode and the negative electrode of the battery core (2).
4. The multifunctional battery pack according to claim 1, wherein: the first electric connector (4) and the second electric connector (5) at least comprise longitudinal bending sections extending along the axial direction of the positive electrode and the negative electrode of the battery cell (2).
5. The multifunctional battery pack according to claim 1, wherein: the width Y of the circuit board (3) and the diameter D of the battery cell (2), wherein the width Y is 95% or less of the width D.
6. The multifunctional battery pack according to claim 1, wherein: two ends of the circuit board (3) in the length direction are respectively close to the positive end and the negative end of the battery core (2), and are respectively provided with intervals L1 and L2; l1 or L2 ≦ 5 mm.
7. The multifunctional battery pack according to claim 1, wherein: the length of the battery cell (2) is L3, the length of the battery pack is L4, and L4 is 1.3 times or less than that of L3.
8. The multifunctional battery pack according to claim 1, wherein: the diameter of the battery core (2) is D, the height of the battery pack is M, and M is 1.8 times or less than D.
9. The multifunctional battery pack according to claim 1, wherein: the battery pack further comprises a supporting framework (8), the circuit board (3) is fixedly supported on the supporting framework (8) at intervals, and the minimum distance between the circuit board (3) and the supporting framework (8) is not larger than 2 mm.
10. The utility model provides a multifunctional battery package, includes the casing, places electric core (2) and circuit board (3) in this casing (1) in, its characterized in that: also comprises the following steps of (1) preparing,
an input electrical connector configured to be connectable to a charging source so that a charge can be provided to the battery cell (2) through the input electrical connector to charge the battery cell (2);
an output electrical connector configured to be electrically connected to an electrical consumer, such that electrical power from the battery cell (2) may be provided to the electrical consumer through the output electrical connector;
and a case (1) accommodating the battery unit, the case (1) having a length of 130% or less of a length of the battery cell (2).
11. The multifunctional battery pack according to claim 10, wherein: the length of the battery cell (2) is 70 mm.
12. The utility model provides a multifunctional battery pack, includes casing (1), places electric core (2) and circuit board (3) in this casing (1) in, its characterized in that: also comprises the following steps of (1) preparing,
an input electrical connector configured to be connectable to a charging source so that a charge can be provided to the battery cell (2) through the input electrical connector to charge the battery cell (2);
an output electrical connector configured to be electrically connected to an electrical consumer, such that electrical power from the battery cell (2) may be provided to the electrical consumer through the output electrical connector;
and a case (1) accommodating the battery unit, the height of the case (1) being 180% or less of the diameter of the battery cell (2).
13. The multifunctional battery pack according to claim 12, wherein: the diameter of the battery core is 21 mm.
14. The utility model provides a multifunctional battery pack, includes casing (1), places electric core (2) and circuit board (3) in this casing in, its characterized in that: also comprises the following steps of (1) preparing,
an input electrical connector configured to be connectable to a charging source so that a charge can be provided to the battery cell (2) through the input electrical connector to charge the battery cell (2);
an output electrical connector configured to be electrically connected to an electrical consumer, such that electrical power from the battery cell (2) may be provided to the electrical consumer through the output electrical connector;
the width of the circuit board (3) is Y, the diameter of the battery cell (2) is D, and the width Y is 95% or less of the width D.
15. The utility model provides a multifunctional battery pack, includes casing (1), places electric core (2) and circuit board (3) in this casing (1) in, its characterized in that: also comprises the following steps of (1) preparing,
an input electrical connector configured to be connectable to a charging source so that a charge can be provided to the battery cell (2) through the input electrical connector to charge the battery cell (2);
an output electrical connector configured to be electrically connected to an electrical consumer, such that electrical power from the battery cell (2) may be provided to the electrical consumer through the output electrical connector;
two ends of the circuit board (3) in the length direction are close to the positive electrode and the negative electrode of the battery cell, and are provided with intervals L1 and L2; l1 or L2 ≦ 5 mm.
16. The utility model provides a multifunctional battery pack, includes casing (1), places electric core (2) and circuit board (3) in this casing (1) in, its characterized in that: also comprises the following steps of (1) preparing,
an input electrical connector configured to be connectable to a charging source so that a charge can be provided to the battery cell (2) through the input electrical connector to charge the battery cell (2);
an output electrical connector configured to be electrically connected to an electrical consumer, such that electrical power from the battery cell (2) may be provided to the electrical consumer through the output electrical connector;
the battery pack further comprises a supporting framework (8), the circuit board (3) is fixedly supported on the supporting framework (8) at intervals, and the minimum distance between the circuit board (3) and the supporting framework (8) is not larger than 2 mm.
CN202021253312.0U 2020-06-30 2020-06-30 Multifunctional battery pack Active CN212659631U (en)

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Address after: 315000 No. 255, Kesheng Road, Wangchun Industrial Park, Haishu District, Ningbo City, Zhejiang Province

Patentee after: ZHEJIANG LERA NEW ENERGY POWER TECHNOLOGY Co.,Ltd.

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Patentee before: ZHEJIANG LERA NEW ENERGY POWER TECHNOLOGY Co.,Ltd.