CN214848865U - Battery pack - Google Patents
Battery pack Download PDFInfo
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- CN214848865U CN214848865U CN202120183226.5U CN202120183226U CN214848865U CN 214848865 U CN214848865 U CN 214848865U CN 202120183226 U CN202120183226 U CN 202120183226U CN 214848865 U CN214848865 U CN 214848865U
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- Prior art keywords
- circuit board
- battery pack
- terminal
- electric
- battery cell
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a battery pack, place electric core or electric core subassembly in this casing in including the casing in to and the circuit board, it still includes: the first electric connector is used for connecting one ends of the positive and negative electrodes of the battery cell or the battery cell component with the circuit board; the second electric connector is used for connecting the other ends of the positive and negative electrodes of the battery cell or the battery cell component with the circuit board; a third electrical connector, configured on the circuit board, and adapted to be electrically connected to an external electric device, so that the electric power from the battery cell can be provided to the electric device through the third electrical connector; the third electrical connector has a female terminal that is press-fitted with a male terminal of an external electrical consumer. According to the technical scheme, the electric power from the battery cell can be provided for electric equipment through the third electric connector, and the hole type terminal is configured by using a sealing design which can facilitate the port of the battery pack and comprises dust sealing, waterproof sealing and the like.
Description
Technical Field
The utility model belongs to the technical field of the battery package technique and specifically relates to a 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
An object of the utility model is to provide a battery package convenient to sealed management.
The utility model provides a battery pack, place electric core or electric core subassembly in this casing in including the casing to and the circuit board, it still includes:
the first electric connector is used for connecting one ends of the positive and negative electrodes of the battery cell or the battery cell component with the circuit board;
the second electric connector is used for connecting the other ends of the positive and negative electrodes of the battery cell or the battery cell component with the circuit board;
a third electrical connector disposed on the circuit board and adapted to be electrically connected to an external electrical device, such that power from the battery cell can be provided to the electrical device through the third electrical connector;
the third electrical connector has a female terminal that is press-fitted with a male terminal of an external electrical device.
Further, the female terminal has an annular contact portion adapted for electrically conductive connection with the male terminal inserted therein, and an annular contact surface of the annular contact portion annularly surrounds the male terminal.
Further, the annular contact portion protrudes toward the center of the female terminal and is adapted to be deformed, and the pin terminal is pressed into the annular contact portion by an external force and is deformed.
Further, a plugging pressure between the pin terminal and the socket terminal is 8N ≦ F ≦ 12N.
Further, the third electrical connector comprises a conductive connecting part fixedly connected with the circuit board and a cylindrical connecting part electrically connected with the pin terminal, the conductive connecting part is electrically connected with the cylindrical connecting part, and the depth of a hole of the cylindrical connecting part is not less than 4 mm.
Further, the tubular connecting part comprises a conductive cylinder and an expansion inner core positioned in the conductive cylinder, and the expansion inner core is suitable for deforming under the action of an external force.
Furthermore, the expansion inner core is provided with a plurality of conductive elastic sheets which are arranged at intervals in an annular array and protrude towards the annular center direction, the pin terminal is pressed into the annular center area under the action of external force, and the protruding part is extruded and opened and is elastically wrapped with the pin terminal.
Compared with the prior art, the utility model has the advantages of:
the utility model is used for the third electric connector of electric connection to outside consumer has porose formula terminal, and the porose formula terminal is with outside consumer's pin type terminal press fit for the electric power that comes from electric core can provide the consumer through the third electric connector, and the sealed design of battery package port department of can being convenient for is used in the configuration of porose formula terminal, including dust seal, waterproof sealing etc..
Another object of the utility model is to provide a can be convenient for dustproof, waterproof battery package of managing.
The utility model provides a pair of battery pack, place electric core or electric core subassembly in this casing in including the casing in to and the circuit board, it still includes:
the first electric connector is used for connecting one ends of the positive and negative electrodes of the battery cell or the battery cell component with the circuit board;
the second electric connector is used for connecting the other ends of the positive and negative electrodes of the battery cell or the battery cell component with the circuit board;
a third electrical connector disposed on the circuit board and adapted to be electrically connected to an external electrical device, such that power from the battery cell can be provided to the electrical device through the third electrical connector;
the third electric connector is provided with an open port which faces the outer side of the shell and is communicated with the shell, and a closed end which is far away from one end of the port, wherein the open port is suitable for inserting the terminal of external electric equipment, and the closed end is extended to be fixedly and electrically connected with the circuit board.
Further, the third electrical connector includes a body and a conductive terminal integral with the body and opposite the open port, the conductive terminal being at least partially encapsulated by the body.
Further, the conductive terminal and the body are integrally molded.
Furthermore, the conductive terminal comprises a conductive connecting part fixedly connected with the circuit board and a cylindrical connecting part electrically connected with the pin terminal, the cylindrical connecting part comprises a conductive cylinder and an expansion inner core positioned in the conductive cylinder, and the expansion inner core is suitable for deforming under the action of external force.
Furthermore, the expansion inner core is provided with a plurality of conductive elastic sheets which are arranged at intervals in an annular array and protrude towards the annular center direction, the pin terminal is pressed into the annular center area under the action of external force, and the protruding part is extruded and opened and is elastically wrapped with the pin terminal.
Further, a sealing gasket is arranged between the third electrical connector and the housing in a clamping manner, and the sealing gasket is suitable for sealing a mounting gap between the open port and the housing.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a third electric connector for electric connection has towards the casing outside and the open type port that link up with it to outside consumer, and keep away from the blind end of this port one end, open type port is suitable for outside consumer's terminal to insert, make the electric power that comes from electric core can provide consumer through the third electric connector, the blind end extension is connected with the fixed electrically conductive of circuit board, realize that the circuit switches on, because the third electric connector only has the open type port towards the casing outside, the other end is sealed, so can effectively prevent dust, waterproof management.
Another object of the present invention is to provide a battery pack with a reasonable structure layout.
The utility model provides a pair of battery pack, place electric core or electric core subassembly in this casing in including the casing in to and the circuit board, it still includes:
the first electric connector is used for connecting one ends of the positive and negative electrodes of the battery cell or the battery cell component with the circuit board;
the second electric connector is used for connecting the other ends of the positive and negative electrodes of the battery cell or the battery cell component with the circuit board;
a third electrical connector disposed on the circuit board and adapted to be electrically connected to an external electrical device, such that power from the battery cell can be provided to the electrical device through the third electrical connector;
a fourth electrical connector disposed on the circuit board and adapted to be electrically connected to an external charging source such that charge is provided to the cells through the fourth electrical connector;
the third electrical connector and the fourth electrical connector are arranged on the same side of the battery pack in a stacked manner.
Further, the circuit board is provided with a mounting notch corresponding to the fourth electrical connector, the fourth electrical connector is correspondingly mounted in the mounting notch, one end face of the fourth electrical connector is at least partially flush with the circuit board, and the third electrical connector is laminated on the end face.
Furthermore, the third electrical connector has an open port which is open towards the outside of the housing and penetrates through the housing, and a closed end which is far away from one end of the port, the open port is suitable for inserting a terminal of external electric equipment, and the closed end is extended to be fixedly and electrically connected with the circuit board.
Furthermore, the third electric connector comprises a body and a conductive terminal connected with the body into a whole, one end of the conductive terminal is open, the other end of the conductive terminal is closed, the open end of the conductive terminal is hermetically wrapped by the body, and at least part of the closed end of the conductive terminal is extended to penetrate through the body and is fixedly connected with the circuit board in a conductive manner.
Furthermore, the closed end of the conductive terminal is fixedly welded on the circuit board in a circular arc 90 degrees.
Furthermore, the two sides of the body are respectively provided with a lug in the width direction of the circuit board, the lug and the circuit board are correspondingly provided with a connecting hole suitable for a connecting piece to pass through, and the connecting piece correspondingly passes through the connecting hole to fix the connecting piece and the circuit board.
Further, the height of the third electrical connector and the fourth electrical connector after lamination ranges from 8mm to 10 mm.
Compared with the prior art, the utility model has the advantages of:
the utility model arranges the third electric connector and the fourth electric connector at the same side of the battery pack in a stacking way, the third electric connector is suitable for being electrically connected to external electric equipment, so that the electric power from the battery cell can be provided for the electric equipment through the third electric connector; the fourth electrical connector is adapted to be electrically connected to an external charging source such that charge is provided to the cells through the fourth electrical connector; therefore, the other side of the battery pack provided by the utility model can be expanded to other uses, such as arranging a USB-A interface again.
Drawings
Fig. 1 is a perspective view of a battery pack according to an embodiment of the present invention;
fig. 2 is an exploded view of a battery pack according to an embodiment of the present invention 1;
fig. 3 is an exploded view of a battery pack according to an embodiment of the present invention, fig. 2;
FIG. 4 is a diagram of a circuit board according to an embodiment of the present invention;
fig. 5 is a diagram of a third electrical connector according to an embodiment of the present invention;
FIG. 6 is a diagram of a circuit board and a supporting frame according to an embodiment of the present invention;
fig. 7 is a schematic view illustrating the battery pack and the pin terminals according to the embodiment of the present invention;
fig. 8 is a sectional view of the battery pack separated from the pin terminals according to the embodiment of the present invention;
fig. 9 is a cross-sectional view of the battery pack and the pin terminals according to the embodiment of the present invention;
fig. 10 is a cross-sectional view of a third electrical connector according to an embodiment of the present invention;
fig. 11 is an exploded view of a third electrical connector according to an embodiment of the present invention;
fig. 12 is an exploded view of an embodiment of the present invention;
fig. 13 is another exploded view of an embodiment of the present invention.
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 battery pack, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, 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 the present embodiment, the third electrical connector 6 is disposed on the circuit board 3, the third electrical connector 6 includes a body and a female terminal 10 integrally molded with the body, the female terminal 10 is used for electrically connecting with an external electrical device, so that the electrical 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 electric charge can be provided to the electric core 2 through the second interface 12, the third electric connector 6 and the fourth electric connector 7 can be arranged on the same side of the battery pack according to the actual product requirement, and can also be arranged on two opposite sides of the battery pack according to the actual product requirement;
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, as shown in fig. 5, the pinhole terminal 10 is used to supply power to various handheld electric tools, such as a cordless dust collector, a dc air compressor, and other garden tools, and the pinhole 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 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 distance between the circuit board 3 and the supporting framework 8 is H, the 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 the setting of interval H, effectively guarantee to have certain radiating effect between circuit board 3 and electric core 2.
As shown in fig. 2 and 4, the female terminal 10 and/or the second interface 12 extend outward along the positive and negative axial directions of the battery cell 2; the second interface 12 extends outward along the axial direction of the positive and negative electrodes of the electric core 2, that is, the plugging direction of the pinhole-type terminal 10 and the second interface 12 is along the direction of the longest side of the battery pack, which is more convenient for use.
In this embodiment, the housing 1 is configured with corresponding connector openings 27 corresponding to the third electrical connector 6 and the fourth electrical connector 7, specifically, the connector openings 27 include a first opening 18 and a second opening 19, and the second interface 12 corresponds to the second opening 19; the female terminal 10 corresponds to the first opening 18; and the second interface 12 and the pinhole type terminal 10 are arranged in parallel at the same end of the battery pack, that is, by arranging the pinhole type terminal 10 and the second interface 12, the problem of multifunction and applicability of the battery pack in the embodiment is solved, and the battery pack is small in overall structure and simple and convenient to use.
And a mounting gap is arranged between the third electrical connector 6 and the supporting framework 8, and a mounting gap is arranged between the fourth electrical connector 7 and the supporting framework 8, specifically, the fourth electrical connector 7 slightly protrudes out of the third electrical connector 6, the mounting gaps between the third electrical connector 6, the fourth electrical connector 7 and the supporting framework 8 are sealed by a waterproof sealing gasket 9, a slot corresponding to the third electrical connector 6 and the fourth electrical connector 7 is arranged on the waterproof sealing gasket 9, the waterproof sealing gasket 9 is sleeved on the fourth electrical connector 7, namely, the fourth electrical connector 7 slightly protrudes out of the third electrical connector 6, and the waterproof sealing gasket 9 is deformed by slight extrusion between the supporting framework 8 and the shell 1, so as to completely seal the mounting gap, and simultaneously completely cling to the side walls of the third electrical connector 6 and the fourth electrical connector 7, thereby further ensuring the sealing effect, while a corresponding positioning mounting is effected by means of the fourth electrical 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, there are 2 interfaces of the third electrical connector 6 disposed on the battery pack, including one pinhole terminal 10 and one USB interface, as shown in fig. 4, the pinhole terminal 10 and the USB interface are disposed at two ends of the battery pack respectively; the arrangement of the pin-hole type terminal 10 was the same as that in embodiment 1, and the USB port was provided on the side opposite to the pin-hole type terminal 10 on the battery pack.
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 1, in this embodiment, the end of the supporting framework 8 extends to form a fixing frame 14, which is suitable for clamping and limiting the third electrical connector 6 and the fourth electrical connector 7; as shown in fig. 6, the third electrical connector 6 and the fourth electrical connector 7 are disposed on the same side of the battery pack and stacked up and down, the fixing frame 14 is two fixing legs extending downward from the end of the supporting frame 8, and a space between the two fixing legs is used for clamping and limiting the third electrical connector 6 and the fourth electrical connector 7, so as to achieve a corresponding positioning and mounting effect, and meanwhile, the fixing frame 14 can be pressed against the side edge of the waterproof sealing gasket 9 to further improve the sealing effect of the waterproof sealing gasket 9 on the battery pack.
With continued reference to fig. 7, 8 and 9, the battery pack 100 includes a housing 1 ', a battery cell 2' or a battery cell assembly embedded in the housing 1 ', and a circuit board 3', which further includes:
the first electric connector 4 ' connects one ends of the positive and negative electrodes of the battery cell 2 ' or the battery cell component with the circuit board 3 ';
the second electric connector 5 ' connects the other ends of the positive and negative electrodes of the battery cell 2 ' or the battery cell component with the circuit board 3 ';
a third electrical connector 6 'disposed on the circuit board 3' and adapted to be electrically connected to an external electrical device, such that power from the battery cell 2 'can be provided to the electrical device through the third electrical connector 6';
the third electrical connector 6 'has female terminals 60' which are press-fitted with male terminals 200 of an external electrical consumer, as shown in particular with reference to figures 8 and 9.
Further, the female terminal 60 'has an annular contact portion 60a adapted to be electrically connected with the male terminal 200, the male terminal 200 is inserted into the female terminal 60', and the annular contact surface of the annular contact portion 60a annularly wraps the male terminal 200.
Further, the annular contact portion 60a protrudes toward the center of the female terminal 60' and is adapted to be deformed, and the pin terminal 200 is pressed into and deformed by the annular contact portion 60a by an external force.
Further, the insertion/extraction pressure between the pin terminal 200 and the female terminal 60' is 8N ≦ F ≦ 12N.
Further, the third electrical connector 6 'includes a conductive connection portion 60b fixedly connected to the circuit board 3' and a cylindrical connection portion 60c electrically connected to the pin terminal 200, the conductive connection portion 60b and the cylindrical connection portion 60c are electrically connected, and a hole depth L of the cylindrical connection portion 60c is not less than 4mm, as shown in fig. 8.
Further, the cylindrical connection portion 60c includes a conductive cylinder 601 and an expansion core 602 located in the conductive cylinder 601, and the expansion core 602 is adapted to deform under an external force.
Further, the swelling core 602 has a plurality of conductive elastic pieces 60m, the plurality of conductive elastic pieces 60m are spaced from each other and arranged in a circular array, and protrude toward the circular center, the pin terminal 200 is pressed into the circular center area by an external force, and the protruding portion is pressed open and elastically wrapped around the pin terminal 200, as shown in fig. 9, 10 and 11.
The utility model is used for the third electric connector of electric connection to outside consumer has porose formula terminal, and the porose formula terminal is with outside consumer's pin type terminal press fit for the electric power that comes from electric core can provide the consumer through the third electric connector, and the sealed design of battery package port department of can being convenient for is used in the configuration of porose formula terminal, including dust seal, waterproof sealing etc..
Referring to fig. 7 and 8, the battery pack 100 includes a housing 1 ', a battery cell 2' or a battery cell assembly embedded in the housing 1 ', and a circuit board 3', which further includes:
the first electric connector 4 ' connects one ends of the positive and negative electrodes of the battery cell 2 ' or the battery cell component with the circuit board 3 ';
the second electric connector 5 ' connects the other ends of the positive and negative electrodes of the battery cell 2 ' or the battery cell component with the circuit board 3 ';
a third electrical connector 6 'disposed on the circuit board 3' and adapted to be electrically connected to an external electrical device, such that power from the battery cell 2 'can be provided to the electrical device through the third electrical connector 6';
the third electrical connector 6 'has an open port a facing the outside of the housing and penetrating therethrough, and a closed end B remote from one end of the port a, the open port a being adapted for insertion of a terminal of an external electrical device, the closed end B being extended to be fixedly and electrically connected to the circuit board 3'.
Further, the third electrical connector 6' comprises a body 6m and a conductive terminal 6n integral with the body 6m and opposite to the open port a, the conductive terminal 6n being at least partially encapsulated by the body 6m, as shown in fig. 9, 10 and 11.
Further, the conductive terminal 6n and the body 6m are integrally injection-molded.
Further, the conductive terminal 6n includes a conductive connection portion fixedly connected to the circuit board 3' and a cylindrical connection portion 60c electrically connected to the pin terminal 200 through the conductive connection portion 60b, the cylindrical connection portion 60c includes a conductive cylinder 601 and an expandable inner core 602 located in the conductive cylinder 601, and the expandable inner core 602 is adapted to deform under an external force.
Further, the expansion core 602 has a plurality of conductive elastic pieces 60m, the plurality of conductive elastic pieces 60m are spaced from each other and arranged in a circular array, and protrude toward the circular center direction, the pin terminal 200 is pressed into the circular center area by an external force, and the protruding portion is pressed to be opened and elastically wrapped with the pin terminal 200, as shown in fig. 9.
Further, a gasket 9 ' is interposed between the third electrical connector 6 ' and the housing 1 ', and the gasket 9 ' is adapted to seal a mounting gap between the open-type port a and the housing 1 '.
The utility model discloses a third electric connector for electric connection has towards the casing outside and the open type port that link up with it to outside consumer, and keep away from the blind end of this port one end, open type port is suitable for outside consumer's terminal to insert, make the electric power that comes from electric core can provide consumer through the third electric connector, the blind end extension is connected with the fixed electrically conductive of circuit board, realize that the circuit switches on, because the third electric connector only has the open type port towards the casing outside, the other end is sealed, so can effectively prevent dust, waterproof management.
With continued reference to fig. 12 and 13, the battery pack 100 includes a housing 1 ', a battery cell 2' or a battery cell assembly embedded in the housing 1 ', and a circuit board 3', which further includes:
the first electric connector 4 ' connects one ends of the positive and negative electrodes of the battery cell 2 ' or the battery cell component with the circuit board 3 ';
the second electric connector 5 ' connects the other ends of the positive and negative electrodes of the battery cell 2 ' or the battery cell component with the circuit board 3 ';
a third electrical connector 6 'disposed on the circuit board 3' and adapted to be electrically connected to an external electrical device, such that power from the battery cell 2 'can be provided to the electrical device through the third electrical connector 6';
a fourth electrical connector 7 ' disposed on the circuit board 3 ' and adapted to be electrically connected to an external charging source such that charge is provided to the cells through the fourth electrical connector 7 ';
the third electrical connector 6 'and the fourth electrical connector 7' are arranged stacked on the same side of the battery pack 100.
Further, the circuit board 3 ' has a mounting notch 30 ' corresponding to the fourth electrical connector 7 ', the fourth electrical connector 7 ' is correspondingly mounted in the mounting notch 30 ' and has an end surface 70 at least partially substantially flush with the circuit board 3 ', and the third electrical connector 6 ' is stacked on the end surface 70.
Further, the third electrical connector 6 ' has an open port a facing the outside of the housing 1 ' and penetrating therethrough, and a closed end B remote from one end of the port a, the open port a being adapted for insertion of a terminal of an external electrical device, the closed end B being extended to be fixedly and electrically connected to the circuit board 3 '.
Further, the third electrical connector 6 'includes a body 6m and a conductive terminal 6n integrally connected with the body 6m, wherein one end of the conductive terminal 6n is open, the other end is closed, the open end is hermetically wrapped by the body 6m, and the closed end at least partially extends through the body 6m and is fixedly and conductively connected with the circuit board 3'.
Furthermore, the closed end of the conductive terminal 6n is fixedly welded to the circuit board 3' in an arc shape of 90 degrees.
Further, two sides of the body 6m are respectively provided with a lug 6p in the width direction of the circuit board 3 ', the lug 6p and the circuit board 3' are correspondingly provided with a connecting hole suitable for the connecting piece 6q to pass through, and the connecting piece 6q correspondingly passes through the connecting hole to fix the two.
Further, the height H of the third electrical connector 6 'and the fourth electrical connector 7' after stacking ranges from 8mm to 10 mm.
The utility model arranges the third electric connector and the fourth electric connector at the same side of the battery pack in a stacking way, the third electric connector is suitable for being electrically connected to external electric equipment, so that the electric power from the battery cell can be provided for the electric equipment through the third electric connector; the fourth electrical connector is adapted to be electrically connected to an external charging source such that charge is provided to the cells through the fourth electrical connector; therefore, the other side of the battery pack provided by the utility model can be expanded to other uses, such as arranging a USB-A interface again.
In addition, the above-mentioned fourth electrical connector 7 'preferably employs a type-c interface, which is adapted to be electrically connected not only to an external charging source so that electric charge is supplied to the battery cell through the fourth electrical connector 7', but also to an external electric device so that electric power from the battery cell 2 'can be supplied to the electric device through the fourth electrical connector 7'.
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 (20)
1. The utility model provides a battery pack, includes the casing, places electric core or electric core subassembly in this casing in to and the circuit board, its characterized in that still includes:
the first electric connector is used for connecting one ends of the positive and negative electrodes of the battery cell or the battery cell component with the circuit board;
the second electric connector is used for connecting the other ends of the positive and negative electrodes of the battery cell or the battery cell component with the circuit board;
a third electrical connector disposed on the circuit board and adapted to be electrically connected to an external electrical device, such that power from the battery cell can be provided to the electrical device through the third electrical connector;
the third electrical connector has a female terminal that is press-fitted with a male terminal of an external electrical device.
2. The battery pack according to claim 1, wherein: the female terminal has an annular contact portion adapted for electrically conductive connection with the male terminal inserted therein, the annular contact surface of the annular contact portion annularly surrounding the male terminal.
3. The battery pack according to claim 2, wherein: the annular contact part protrudes towards the center direction of the hole type terminal and is suitable for deformation, and the pin type terminal is pressed into the annular contact part under the action of external force and deforms.
4. The battery pack according to any one of claims 1 to 3, wherein: the plugging pressure between the pin terminal and the socket terminal is 8N ≦ F ≦ 12N.
5. The battery pack according to claim 1, wherein: the third electric connector comprises a conductive connecting part fixedly connected with the circuit board and a cylindrical connecting part electrically connected with the pin terminal, the conductive connecting part is in conductive connection with the cylindrical connecting part, and the hole depth of the cylindrical connecting part is not less than 4 mm.
6. The battery pack according to claim 5, wherein: the tubular connecting part comprises a conductive cylinder and an expansion inner core positioned in the conductive cylinder, and the expansion inner core is suitable for deforming under the action of external force.
7. The battery pack according to claim 6, wherein: the expansion inner core is provided with a plurality of conductive elastic sheets which are arranged at intervals in an annular array and protrude towards the direction of an annular center, the pin terminal is pressed into the annular center area under the action of external force, and the protruding part is extruded and opened and is elastically wrapped with the pin terminal.
8. The utility model provides a battery pack, includes the casing, places electric core or electric core subassembly in this casing in to and the circuit board, its characterized in that still includes:
the first electric connector is used for connecting one ends of the positive and negative electrodes of the battery cell or the battery cell component with the circuit board;
the second electric connector is used for connecting the other ends of the positive and negative electrodes of the battery cell or the battery cell component with the circuit board;
a third electrical connector disposed on the circuit board and adapted to be electrically connected to an external electrical device, such that power from the battery cell can be provided to the electrical device through the third electrical connector;
the third electric connector is provided with an open port which faces the outer side of the shell and is communicated with the shell, and a closed end which is far away from one end of the port, wherein the open port is suitable for inserting a pin terminal of external electric equipment, and the closed end is extended to be fixedly and electrically connected with the circuit board.
9. The battery pack according to claim 8, wherein: the third electrical connector includes a body and a conductive terminal integrally connected to the body and opposite the open port, the conductive terminal being at least partially encapsulated by the body.
10. The battery pack according to claim 9, wherein: the conductive terminal and the body are integrally molded.
11. The battery pack according to claim 9, wherein: the conductive terminal comprises a conductive connecting part fixedly connected with the circuit board and a cylindrical connecting part electrically connected with the needle type terminal, the cylindrical connecting part comprises a conductive cylinder and an expansion inner core positioned in the conductive cylinder, and the expansion inner core is suitable for deforming under the action of external force.
12. The battery pack according to claim 11, wherein: the expansion inner core is provided with a plurality of conductive elastic sheets which are arranged at intervals in an annular array and protrude towards the direction of an annular center, the pin terminal is pressed into the annular center area under the action of external force, and the protruding part is extruded and opened and is elastically wrapped with the pin terminal.
13. The battery pack according to claim 8 or 9, wherein: and a sealing gasket is arranged between the third electric connector and the shell in a clamping manner, and the sealing gasket is suitable for sealing an installation gap between the open port and the shell.
14. The utility model provides a battery pack, includes the casing, places electric core or electric core subassembly in this casing in to and the circuit board, its characterized in that still includes:
the first electric connector is used for connecting one ends of the positive and negative electrodes of the battery cell or the battery cell component with the circuit board;
the second electric connector is used for connecting the other ends of the positive and negative electrodes of the battery cell or the battery cell component with the circuit board;
a third electrical connector disposed on the circuit board and adapted to be electrically connected to an external electrical device, such that power from the battery cell can be provided to the electrical device through the third electrical connector;
a fourth electrical connector disposed on the circuit board and adapted to be electrically connected to an external charging source such that charge is provided to the cells through the fourth electrical connector;
the third electrical connector and the fourth electrical connector are arranged on the same side of the battery pack in a stacked manner.
15. The battery pack according to claim 14, wherein: the circuit board is provided with a mounting notch corresponding to the fourth electric connector, the fourth electric connector is correspondingly mounted in the mounting notch, and one end face of the fourth electric connector is at least partially basically flush with the circuit board, and the third electric connector is laminated on the end face.
16. The battery pack according to claim 15, wherein: the third electric connector is provided with an open port which faces the outer side of the shell and is communicated with the shell, and a closed end which is far away from one end of the port, wherein the open port is suitable for inserting the terminal of external electric equipment, and the closed end is extended to be fixedly and electrically connected with the circuit board.
17. The battery pack of claim 16, wherein: the third electric connector comprises a body and a conductive terminal connected with the body into a whole, one end of the conductive terminal is open, the other end of the conductive terminal is closed, the open end of the conductive terminal is wrapped by the body in a sealing mode, and at least part of the closed end of the conductive terminal is extended to penetrate through the body and is fixedly connected with the circuit board in a conductive mode.
18. The battery pack according to claim 17, wherein: and the closed end of the conductive terminal is fixedly welded on the circuit board in an arc shape of 90 degrees.
19. The battery pack according to claim 17, wherein: the two sides of the body are respectively provided with a lug in the width direction of the circuit board, the lug and the circuit board are correspondingly provided with a connecting hole suitable for a connecting piece to pass through, and the connecting piece correspondingly passes through the connecting hole to fix the connecting piece and the circuit board.
20. The battery pack according to any one of claims 14 to 19, wherein: the height range of the third electric connector and the fourth electric connector after being stacked is 8mm-10 mm.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020212556635 | 2020-06-30 | ||
| CN202010620245X | 2020-06-30 | ||
| CN202010620245 | 2020-06-30 | ||
| CN202021255663 | 2020-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214848865U true CN214848865U (en) | 2021-11-23 |
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Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120183166.7U Active CN214848864U (en) | 2020-06-30 | 2021-01-23 | Battery pack |
| CN202120183226.5U Active CN214848865U (en) | 2020-06-30 | 2021-01-23 | Battery pack |
| CN202110093934.4A Pending CN113871779A (en) | 2020-06-30 | 2021-01-23 | Battery pack |
| CN202110094005.5A Pending CN113871780A (en) | 2020-06-30 | 2021-01-23 | Battery pack |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120183166.7U Active CN214848864U (en) | 2020-06-30 | 2021-01-23 | Battery pack |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110093934.4A Pending CN113871779A (en) | 2020-06-30 | 2021-01-23 | Battery pack |
| CN202110094005.5A Pending CN113871780A (en) | 2020-06-30 | 2021-01-23 | Battery pack |
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| Country | Link |
|---|---|
| CN (4) | CN214848864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023274326A1 (en) | 2021-06-29 | 2023-01-05 | 浙江齐享科技有限公司 | Energy storage power supply and energy storage device |
-
2021
- 2021-01-23 CN CN202120183166.7U patent/CN214848864U/en active Active
- 2021-01-23 CN CN202120183226.5U patent/CN214848865U/en active Active
- 2021-01-23 CN CN202110093934.4A patent/CN113871779A/en active Pending
- 2021-01-23 CN CN202110094005.5A patent/CN113871780A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023274326A1 (en) | 2021-06-29 | 2023-01-05 | 浙江齐享科技有限公司 | Energy storage power supply and energy storage device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN214848864U (en) | 2021-11-23 |
| CN113871779A (en) | 2021-12-31 |
| CN113871780A (en) | 2021-12-31 |
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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. Address before: 398 Longtan Road, Fenghua District, Ningbo City, Zhejiang Province Patentee before: ZHEJIANG LERA NEW ENERGY POWER TECHNOLOGY Co.,Ltd. |