CN114883732A - Intelligent output battery pack - Google Patents

Intelligent output battery pack Download PDF

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Publication number
CN114883732A
CN114883732A CN202210450991.8A CN202210450991A CN114883732A CN 114883732 A CN114883732 A CN 114883732A CN 202210450991 A CN202210450991 A CN 202210450991A CN 114883732 A CN114883732 A CN 114883732A
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CN
China
Prior art keywords
terminal
short
battery pack
electrically connected
voltage
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Granted
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CN202210450991.8A
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Chinese (zh)
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CN114883732B (en
Inventor
林有余
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Jiangsu Sumec Hardware and Tools Co Ltd
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Jiangsu Sumec Hardware and Tools Co Ltd
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Priority to CN202210450991.8A priority Critical patent/CN114883732B/en
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    • 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
    • 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
    • H01M50/244Secondary 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
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/247Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
    • 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
    • H01M50/269Mechanical means for varying the arrangement of batteries or cells for different uses, e.g. for changing the number of batteries or for switching between series and parallel wiring
    • 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
    • H01M50/509Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention discloses an intelligent output battery pack, wherein a spring is arranged on a shell, the spring acts on a rotating seat to enable the end part of the rotating seat to be tilted to the outside of the shell of the battery pack, and the rotating seat is positioned at a first voltage position or a second voltage position. The inserted sheet of first instrument inserts the corresponding output terminal of battery package, utilizes and rotates the initial voltage position of seat, and a voltage is exported to the battery package, and the inserted sheet of second instrument inserts the corresponding output terminal of battery package and the ejector pad of second instrument and inserts the battery package to drive and rotate the seat and rotate, rotate the seat and switch voltage position, another voltage is exported to the battery package. According to the intelligent output battery pack provided by the invention, the linkage switching of series voltage and parallel voltage is realized in the battery pack, and the intelligent output battery pack has the advantages of automatic switching, compact structure, simplicity, reliability, low cost and the like.

Description

Intelligent output battery pack
Technical Field
The invention relates to an intelligent output battery pack, and belongs to the technical field of batteries.
Background
Electric power tools are widely used in domestic and industrial applications as an electrical load comprising an electric motor. With the continuous development of battery manufacturing technology, more and more electric tools adopt batteries as power sources, and form a cordless battery type electric tool.
Different types of battery-operated power tools often have different voltage and current requirements, and if each type of battery-operated power tool is equipped with a single voltage class of battery to provide voltage and current to the power tool, the battery lacks availability and convenience for power tools produced by the same manufacturer.
Aiming at the characteristics that different tools have different requirements on the output voltage and the output current of a battery pack, when more than two groups of battery packs are arranged in the battery pack, the parallel output voltage of the battery pack is unchanged to obtain larger output current or obtain longer working time under the condition that the tool current is limited, and the series output of the battery pack can obtain higher output voltage under the condition that the tool current is unchanged or obtain longer working time under the condition that the tool power is kept unchanged, so how to design a battery pack which has two voltage outputs in series and parallel connection simultaneously and can be stably matched with electric tools with different voltages to realize the conversion of the voltage outputs is a technical problem which needs to be solved urgently by technical personnel in the field The reliability is low.
Disclosure of Invention
The purpose is as follows: in order to overcome the defects in the prior art, the invention provides an intelligent output battery pack.
The technical scheme is as follows: in order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a smart output battery pack, comprising: the battery pack comprises a shell, a battery pack connecting seat, a first battery cell group with a positive electrode and a negative electrode output, and a second battery cell group with a positive electrode and a negative electrode output.
Further comprising:
first positive output terminal, the anodal output terminal of second, first negative pole output terminal and second negative pole output terminal, anodal output terminal, negative pole output terminal pass through on the battery package connecting seat battery package socket outwards can be connected with the inserted sheet terminal electricity on the instrument, first positive output terminal, the anodal output terminal of second electricity are connected respectively first electric core group reaches the positive pole of second electric core group, first negative pole output terminal, second negative pole output terminal electricity are connected respectively first electric core group reaches the negative pole of second electric core group.
The first inner terminal is electrically connected with the first positive output terminal; the second internal terminal is electrically connected with the second positive output terminal, and the third internal terminal is electrically connected with the first negative output terminal; the fourth inner terminal is electrically connected to the second negative output terminal.
The rotating seat is rotationally connected with the battery pack through a rotating shaft; the rotating seat comprises a first voltage position and a second voltage position, a first short-circuit terminal and a second short-circuit terminal are arranged at the first voltage position, and the first short-circuit terminal and the second short-circuit terminal are electrically connected; and a third short-circuit terminal, a fourth short-circuit terminal, a fifth short-circuit terminal and a sixth short-circuit terminal are arranged at the second voltage position, the third short-circuit terminal is electrically connected with the fourth short-circuit terminal, and the fifth short-circuit terminal is electrically connected with the sixth short-circuit terminal.
When the rotating seat is located at the first voltage position, the first short-circuit terminal is electrically connected with the second positive output terminal, the second short-circuit terminal is electrically connected with the first negative output terminal, and the battery pack outputs a first voltage outwards; when the rotating seat is located at the second voltage position, the third short-circuit terminal is electrically connected with the first inner terminal, the fourth short-circuit terminal is electrically connected with the second inner terminal, the fifth short-circuit terminal is electrically connected with the third inner terminal, the sixth short-circuit terminal is electrically connected with the fourth inner terminal, and the battery pack outputs a second voltage outwards.
The battery pack is provided with a spring, the spring acts on the rotating seat to enable the end portion (301) of the rotating seat to tilt to the outside of the shell of the battery pack, and the rotating seat is located at a first voltage position or a second voltage position.
Preferably, the method further comprises the following steps: a fifth internal terminal and a sixth internal terminal.
The fifth internal terminal is electrically connected to the second internal terminal and the second positive output terminal, and the sixth internal terminal is electrically connected to the third internal terminal and the first negative output terminal.
When the rotating seat is located at the first voltage position, the first short-circuit terminal is electrically connected with the fifth inner terminal, the second short-circuit terminal is electrically connected with the sixth inner terminal, and the battery pack outputs a first voltage outwards; when the rotating seat is located at the second voltage position, the third short-circuit terminal is electrically connected with the first inner terminal, the fourth short-circuit terminal is electrically connected with the second inner terminal, the fifth short-circuit terminal is electrically connected with the third inner terminal, the sixth short-circuit terminal is electrically connected with the fourth inner terminal, and the battery pack outputs a second voltage outwards.
Preferably, the device further comprises a first voltage tool and a second voltage tool, wherein a first positive inserting piece of the first voltage tool is connected with the first positive output terminal, a first negative inserting piece of the first voltage tool is connected with the second negative output terminal, and the rotating seat is located at a first voltage position. The second positive pole inserted sheet of second voltage instrument is connected with the anodal output terminal of second, and the second negative pole inserted sheet of second voltage instrument is connected with first negative pole output terminal, rotates the seat and is in second voltage position. Preferably, the device further comprises a push block, the first voltage tool or the second voltage tool is provided with the push block, and the push block is used for switching the rotating seat from the first voltage position to the second voltage position or from the second voltage position to the first voltage position.
Preferably, the shell is provided with a sliding groove, and the pushing block pushes the end part through the sliding groove.
Preferably, the terminal structures of the first inner terminal, the second inner terminal, the third inner terminal, the fourth inner terminal, the fifth inner terminal and the sixth inner terminal are female sockets, and the terminal structures of the third short-circuit terminal, the fourth short-circuit terminal, the fifth short-circuit terminal, the sixth short-circuit terminal, the first short-circuit terminal and the second short-circuit terminal which are correspondingly electrically connected with the female sockets are male insertion pieces.
As a preferred scheme, a first contact is arranged on the first inner terminal, and the first contact is electrically connected with the third short-circuit terminal; a second contact is arranged on the second inner terminal, and the second contact is electrically connected with the fourth short-circuit terminal; a third contact is arranged on the third inner terminal, and the third contact is electrically connected with the fifth short-circuit terminal; a fourth contact is arranged on the fourth inner terminal, and the fourth contact is electrically connected with the sixth short-circuit terminal; a fifth contact is arranged on the fifth inner terminal, and the fifth contact is electrically connected with the first short-circuit terminal; and a sixth contact is arranged on the sixth inner terminal, and the sixth contact is electrically connected with the second short-circuit terminal.
Preferably, the first electric core group and the second electric core group are respectively composed of a plurality of electric cores.
Preferably, the first electric core group and the second electric core group are respectively composed of electric cores with the same number, voltage and capacity in series or in parallel.
Preferably, the number of the electric cores of the first electric core group and the second electric core group is 5-20, and the voltage of the electric cores is 3.2-4.0V.
Preferably, the battery pack connecting seat is a part of the shell and is used for being connected with a tool, the tool and the battery pack are locked by the battery pack locking buckle, and the battery pack can be separated from the tool after a button of the battery pack is pressed.
Has the advantages that: according to the intelligent output battery pack provided by the invention, the linkage switching of series voltage and parallel voltage is realized in the battery pack, and the intelligent output battery pack has the advantages of automatic switching, compact structure, simplicity, reliability, low cost and the like.
Drawings
Fig. 1 is a schematic diagram of an intelligent output battery pack according to the present invention.
FIG. 2 is a schematic view of a rotary base according to the present invention.
Fig. 3 is a schematic view of the installation of the rotating base and the intelligent output battery pack of the present invention.
Fig. 4 is a schematic diagram of the connection of conductive terminals inside the intelligent output battery pack according to the present invention.
Fig. 5 is a schematic diagram of the internal circuit connection of the intelligent output battery pack according to the present invention.
Fig. 6 is a schematic diagram of the connection between the intelligent output battery pack and the first voltage tool according to the present invention.
Fig. 7 is a schematic diagram of a tool for connecting the intelligent output battery pack to the first voltage according to the present invention.
Fig. 8 is a schematic diagram of the circuit conduction of the connection state between the intelligent output battery pack and the first voltage tool according to the present invention.
Fig. 9 is a schematic diagram of the connection between the intelligent output battery pack and the second voltage tool according to the present invention.
Fig. 10 is a schematic diagram of a tool for connecting an intelligent output battery pack to a second voltage according to the present invention.
Fig. 11 is a schematic diagram of the circuit conduction of the connection state between the intelligent output battery pack and the second voltage tool according to the present invention.
Fig. 12 is a schematic view of a rotating base of a second embodiment of an intelligent output battery pack according to the present invention.
Fig. 13 is a schematic view of the connection of the conductive terminals inside the intelligent output battery pack according to the second embodiment of the invention.
Fig. 14 is a schematic diagram illustrating a connection state between the second embodiment of the intelligent output battery pack and the first voltage tool according to the present invention.
Fig. 15 is a schematic diagram illustrating a connection state between the second embodiment of the intelligent output battery pack and the second voltage tool according to the present invention.
Detailed Description
The present invention will be further described with reference to the following examples.
The first embodiment is as follows:
as shown in fig. 1 to 5, a first embodiment of an intelligent output battery pack 36 includes: the battery pack comprises a shell 1, a battery pack connecting seat 101, a first electric core group 37 with a positive electrode and a negative electrode output, and a second electric core group 38 with a positive electrode and a negative electrode output. The battery pack connecting seat 101 is a part of the housing 1 for connecting with a tool, the tool is locked with the battery pack by the battery pack locking buckle 31, and the battery pack can be separated from the tool after the battery pack button 31 is pressed.
Further comprising:
first positive output terminal 2, second positive output terminal 3, first negative output terminal 4 and second negative output terminal 5, first positive output terminal 2, second positive output terminal 3 or first negative output terminal 4, second negative output terminal 5 loop through the first battery package socket 201 of battery package connecting seat 101 tip, second battery package socket 301, third battery package socket 401, fourth battery package socket 501 outwards can be connected with the inserted sheet terminal electricity on the instrument, first positive output terminal 2, second positive output terminal 3 electricity are connected respectively first electric core group 37 and the positive pole of second electric core group 38, first negative output terminal 4, second negative output terminal 5 electricity are connected respectively first electric core group 37 and the negative pole of second electric core group 38.
The first inner terminal 12 is electrically connected to the first positive output terminal 2; both ends of the fifth internal terminal 33 are electrically connected to the second internal terminal 13 and the second positive output terminal 3, respectively; both ends of the sixth internal terminal 34 are electrically connected to the third internal terminal 14 and the first negative output terminal 4, respectively; the fourth inner terminal 15 is electrically connected to the second negative output terminal 5.
Further comprising: a rotating base 30, wherein the rotating base 30 is mounted on the hole 48 of the battery pack 36 through a rotating shaft 35 and can rotate around the rotating shaft 35; the rotating seat 30 comprises a first voltage position and a second voltage position, the first voltage position is provided with a first short-circuit terminal 6 and a second short-circuit terminal 7, and the first short-circuit terminal 6 is electrically connected with the second short-circuit terminal 7; and a third short-circuit terminal 8, a fourth short-circuit terminal 9, a fifth short-circuit terminal 10 and a sixth short-circuit terminal 11 are arranged at the second voltage position, the third short-circuit terminal 8 is electrically connected with the fourth short-circuit terminal 9, and the fifth short-circuit terminal 10 is electrically connected with the sixth short-circuit terminal 11.
When the rotating base 30 is located at the first voltage position, the first shorting terminal 6 is electrically connected to the fifth inner terminal 33, the second shorting terminal 7 is electrically connected to the sixth inner terminal 34, and the battery pack 36 outputs a first voltage; when the rotating base 30 is located at the second voltage position, the third short-circuit terminal 8 is electrically connected to the first inner terminal 12, the fourth short-circuit terminal 9 is electrically connected to the second inner terminal 13, the fifth short-circuit terminal 10 is electrically connected to the third inner terminal 14, the sixth short-circuit terminal 11 is electrically connected to the fourth inner terminal 15, and the battery pack 36 outputs a second voltage outwards.
Further comprising: and the spring 16 acts on the rotating seat 30, so that the end part 301 of the rotating seat 30 tilts to the outside of the battery pack case 1, the first short circuit terminal 6 is electrically connected with the fifth inner terminal 33, and the second short circuit terminal 7 is electrically connected with the sixth inner terminal 34.
Preferably, the fifth inner terminal 33 is disposed between the second inner terminal 13 and the second positive output terminal 3, the fifth inner terminal 33 is electrically connected to the second inner terminal 13 and the second positive output terminal 3, the sixth inner terminal 34 is disposed between the third inner terminal 14 and the first negative output terminal 4, and the sixth inner terminal 34 is electrically connected to the third inner terminal 14 and the first negative output terminal 4.
Preferably, the second internal terminal 13 is electrically connected to the second positive output terminal 3 directly, and the third internal terminal 14 is electrically connected to the first negative output terminal 4 directly.
When the rotating seat 30 is located at the first voltage position, the first shorting terminal 6 is electrically connected to the second positive output terminal 3, the second shorting terminal 7 is electrically connected to the first negative output terminal 4, and the battery pack 36 outputs a first voltage outwards; when the rotating base 30 is located at the second voltage position, the third short-circuit terminal 8 is electrically connected to the first inner terminal 12, the fourth short-circuit terminal 9 is electrically connected to the second inner terminal 13, the fifth short-circuit terminal 10 is electrically connected to the third inner terminal 14, the sixth short-circuit terminal 11 is electrically connected to the fourth inner terminal 15, and the battery pack 36 outputs a second voltage outwards.
As shown in fig. 6-8, preferably, the first positive electrode tab 39 of the first voltage tool 41 is connected to the positive electrode of the first core group 37 through the first positive electrode output terminal 2, the positive electrode of the second core group 38 is connected to the second positive electrode output terminal 3, the second positive electrode output terminal 3 is communicated with the first negative electrode output terminal 3 through the fifth inner terminal 33 and the sixth inner terminal 34 via the first short-circuit terminal 6 and the second short-circuit terminal 7, or the first positive electrode output terminal 2 and the first negative electrode output terminal 3 are directly communicated with the first negative electrode output terminal 3 through the first short-circuit terminal 6 and the second short-circuit terminal 7; so that the positive electrode of the second cell group 38 and the negative electrode of the first cell group 37 are equipotential, and the first negative electrode inserting piece 40 of the first voltage tool 41 is connected with the negative electrode of the second cell group 38 through the second negative electrode output terminal 5.
The first positive electrode inserting sheet 39 is connected with the positive electrode of the first electric core group 37, the negative electrode of the first electric core group 37 is connected with the positive electrode of the second electric core group 38 in series through the first short-circuit terminal 6 and the second short-circuit terminal 7, and the negative electrode of the second electric core group 38 is communicated with the first negative electrode inserting sheet 40.
The first electric core group 29 and the second electric core group 30 of the battery pack 36 are in series output, the battery pack 36 outputs a first voltage, such as 36V, and at the moment, the battery pack 36 has a higher discharging voltage, has higher discharging power and discharging efficiency, and is more suitable for supplying power to high-power tools.
As shown in fig. 9 to 11, preferably, a pushing block 47 is disposed on the second voltage tool 42, and when the second voltage tool 42 is connected to the battery pack 36, the pushing block 47 acts on the end portion 301 to drive the rotating base 30 to rotate, so that the third shorting terminal 8 is electrically connected to the first inner terminal 12, the fourth shorting terminal 9 is electrically connected to the second inner terminal 13, the fifth shorting terminal 10 is electrically connected to the third inner terminal 14, and the sixth shorting terminal 11 is electrically connected to the fourth inner terminal 15, and the battery pack 36 is switched from the first voltage state to the second voltage state.
The second voltage tool 42 is further provided with a second positive electrode inserting sheet 35 and a second negative electrode inserting sheet 46, the second positive electrode inserting sheet 35 is connected with the positive electrode of the second electric core group 38 through a second positive electrode output terminal 3, the second positive electrode output terminal 3 is directly or indirectly connected with a second inner terminal 13, the second inner terminal 13 is communicated with the first inner terminal 12 through a fourth short-circuit terminal 9 and a third short-circuit terminal 8, and the second positive electrode output terminal 3 is equipotential with the positive electrode of the first electric core group 37 of the first positive electrode output terminal 2 through the first inner terminal 12.
The second negative insertion sheet 46 is connected with the negative electrode of the first electrode core group 37 through the first negative output terminal 4, the first negative output terminal 4 is directly or indirectly connected with the third inner terminal 14, the third inner terminal 14 is communicated with the fourth inner terminal 15 through the fifth short-circuit terminal 10 and the sixth short-circuit terminal 11, and the first negative output terminal 4 is equipotential with the negative electrode of the second electrode core group 38 of the second negative output terminal 5 through the fourth inner terminal 15.
The second positive electrode inserting sheet 35 is simultaneously connected with the positive electrodes of the first electric core group 37 and the second electric core group 38, and the second negative electrode inserting sheet 46 is simultaneously connected with the negative electrodes of the first electric core group 37 and the second electric core group 38.
The first electric core group 29 and the second electric core group 30 of the battery pack 36 are output in parallel, and the battery pack 36 outputs a second voltage, such as 18V, at this time, the battery pack 36 has a higher discharging current capability and a longer working time.
Preferably, a first contact 22 is arranged on the first inner terminal 12, and the first contact 22 is electrically connected with the third short-circuit terminal 8; a second contact 23 is arranged on the second inner terminal 13, and the second contact 23 is electrically connected with the fourth short-circuit terminal 9; a third contact 24 is arranged on the third inner terminal 14, and the third contact 24 is electrically connected with the fifth short-circuit terminal 10; a fourth contact 25 is arranged on the fourth inner terminal 15, and the fourth contact 25 is electrically connected with the sixth short-circuit terminal 11; a fifth contact 43 is arranged on the fifth inner terminal 33, and the fifth contact 43 is electrically connected with the first short-circuit terminal 6; a sixth contact 44 is arranged on the sixth inner terminal 34, and the sixth contact 44 is electrically connected with the second short-circuit terminal 7.
Preferably, a sliding groove 102 is formed in the housing 1, and the pushing block 47 pushes the end portion 301 through the sliding groove 102.
Preferably, the first electric core group 37 and the second electric core group 38 are respectively composed of a plurality of electric cores.
Preferably, the first electric core group 37 and the second electric core group 38 are respectively composed of electric cores with the same number, voltage and capacity, which are connected in series or in parallel.
Preferably, the number of the electric cores of the first electric core group 37 and the second electric core group 38 is 5-20, and the voltage of the electric cores is 3.2-4.0V.
Preferably, the first positive output terminal 2 is connected to the first inner terminal 12 through a printed wiring board or wire 17. The second positive output terminal 3 is connected to one end of a fifth inner terminal 33 through a printed wiring board or a wire 18, and the other end of the fifth inner terminal 33 is connected to the second inner terminal 13 through a printed wiring board or a wire 19. The first negative output terminal 4 is connected to one end of a sixth internal terminal 34 through a printed wiring board or a wire 20, and the other end of the sixth internal terminal 34 is connected to the third internal terminal 14 through a printed wiring board or a wire 21. The second negative output terminal 5 is connected to the fourth inner terminal 15 through a printed wiring board or wire 26.
The first shorting terminal 6 is connected to the second shorting terminal 7 through a printed wiring board or wire 27. The third shorting terminal 8 is connected to the fourth shorting terminal 9 by a printed wiring board or wire 28. The fifth shorting terminal 10 is connected to the sixth shorting terminal 11 through a printed wiring board or a wire 29.
Example two:
as shown in fig. 12 to 15, in a second embodiment, a terminal structure of the first inner terminal 12, the second inner terminal 13, the third inner terminal 14, the fourth inner terminal 15, the fifth inner terminal 33, and the sixth inner terminal 34 is a female socket, and a terminal structure of the third short-circuit terminal 8, the fourth short-circuit terminal 9, the fifth short-circuit terminal 10, the sixth short-circuit terminal 11, the first short-circuit terminal 6, and the second short-circuit terminal 7 electrically connected to the female socket correspondingly is a male tab.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.

Claims (10)

1. A smart output battery pack (36), comprising: the battery pack comprises a shell (1), a battery pack connecting seat (101), a first electric core group (37) with a positive electrode output and a negative electrode output, and a second electric core group (38) with a positive electrode output and a negative electrode output;
further comprising:
the first positive output terminal (2), the second positive output terminal (3), the first negative output terminal (4) and the second negative output terminal (5) are electrically connected with the plug-in terminals on the tool through battery pack sockets on a battery pack connecting seat (101), the first positive output terminal (2) and the second positive output terminal (3) are electrically connected with the positive electrodes of the first battery pack group (37) and the second battery pack group (38) respectively, and the first negative output terminal (4) and the second negative output terminal (5) are electrically connected with the negative electrodes of the first battery pack group (37) and the second battery pack group (38) respectively;
a first inner terminal (12) is electrically connected to the first positive output terminal (2); the second inner terminal (13) is electrically connected with the second positive output terminal (3), and the third inner terminal (14) is electrically connected with the first negative output terminal (4); the fourth inner terminal (15) is electrically connected with the second negative output terminal (5);
the rotating seat (30) is rotationally connected with the battery pack (36) through a rotating shaft (35); the rotating seat (30) comprises a first voltage position and a second voltage position, a first short-circuit terminal (6) and a second short-circuit terminal (7) are arranged at the first voltage position, and the first short-circuit terminal (6) and the second short-circuit terminal (7) are electrically connected; a third short-circuit terminal (8), a fourth short-circuit terminal (9), a fifth short-circuit terminal (10) and a sixth short-circuit terminal (11) are arranged at the second voltage position, the third short-circuit terminal (8) is electrically connected with the fourth short-circuit terminal (9), and the fifth short-circuit terminal (10) is electrically connected with the sixth short-circuit terminal (11);
when the rotating seat (30) is located at the first voltage position, the first short-circuit terminal (6) is electrically connected with the second positive output terminal (3), the second short-circuit terminal (7) is electrically connected with the first negative output terminal (4), and the battery pack (36) outputs a first voltage outwards; when the rotating seat (30) is located at the second voltage position, the third short-circuit terminal (8) is electrically connected with the first inner terminal (12), the fourth short-circuit terminal (9) is electrically connected with the second inner terminal (13), the fifth short-circuit terminal (10) is electrically connected with the third inner terminal (14), the sixth short-circuit terminal (11) is electrically connected with the fourth inner terminal (15), and the battery pack (36) outputs a second voltage outwards;
be provided with spring (16) on battery package (36), spring (16) act on rotate seat (30) and make tip (301) perk of rotating seat (30) to the outside of battery package casing (1), rotate seat (30) and be in first voltage position or second voltage position.
2. A smart output battery pack (36) as claimed in claim 1, wherein: further comprising: a fifth inner terminal (33), a sixth inner terminal (34);
the fifth inner terminal (33) is electrically connected with the second inner terminal (13) and the second positive output terminal (3), respectively, and the sixth inner terminal (34) is electrically connected with the third inner terminal (14) and the first negative output terminal (4), respectively;
when the rotating seat (30) is located at the first voltage position, the first short-circuit terminal (6) is electrically connected with the fifth inner terminal (33), the second short-circuit terminal (7) is electrically connected with the sixth inner terminal (34), and the battery pack (36) outputs a first voltage outwards; when the rotating seat (30) is located at the second voltage position, the third short-circuit terminal (8) is electrically connected with the first inner terminal (12), the fourth short-circuit terminal (9) is electrically connected with the second inner terminal (13), the fifth short-circuit terminal (10) is electrically connected with the third inner terminal (14), the sixth short-circuit terminal (11) is electrically connected with the fourth inner terminal (15), and the battery pack (36) outputs a second voltage outwards.
3. A smart output battery pack (36) as claimed in claim 2, wherein: the terminal structures of the first inner terminal (12), the second inner terminal (13), the third inner terminal (14), the fourth inner terminal (15), the fifth inner terminal (33) and the sixth inner terminal (34) are female sockets, and the terminal structures of the third short-circuit terminal (8), the fourth short-circuit terminal (9), the fifth short-circuit terminal (10), the sixth short-circuit terminal (11), the first short-circuit terminal (6) and the second short-circuit terminal (7) which are correspondingly electrically connected with the female sockets are male insertion pieces.
4. A smart output battery pack (36) as claimed in any one of claims 1 to 3, wherein: the device is characterized by further comprising a first voltage tool (41) and a second voltage tool (42), wherein a first positive electrode inserting sheet (39) of the first voltage tool (41) is connected with the first positive electrode output terminal (2), a first negative electrode inserting sheet (40) of the first voltage tool (41) is connected with the second negative electrode output terminal (5), and the rotating seat (30) is located at a first voltage position; a second positive electrode inserting sheet (35) of a second voltage tool (42) is connected with a second positive electrode output terminal (3), a second negative electrode inserting sheet (46) of the second voltage tool (42) is connected with a first negative electrode output terminal (4), and the rotating seat (30) is located at a second voltage position.
5. A smart output battery pack (36) as claimed in claim 4, wherein: the device is characterized by further comprising a push block (47), wherein the push block (47) is arranged on the first voltage tool (41) or the second voltage tool (42), and the push block (47) is used for switching the rotating seat (30) from the first voltage position to the second voltage position or from the second voltage position to the first voltage position.
6. A smart output battery pack (36) as claimed in claim 2, wherein: a first contact (22) is arranged on the first inner terminal (12), and the first contact (22) is electrically connected with the third short-circuit terminal (8); a second contact (23) is arranged on the second inner terminal (13), and the second contact (23) is electrically connected with the fourth short-circuit terminal (9); a third contact (24) is arranged on the third inner terminal (14), and the third contact (24) is electrically connected with the fifth short-circuit terminal (10); a fourth contact (25) is arranged on the fourth inner terminal (15), and the fourth contact (25) is electrically connected with the sixth short-circuit terminal (11); a fifth contact (43) is arranged on the fifth inner terminal (33), and the fifth contact (43) is electrically connected with the first short-circuit terminal (6); and a sixth contact (44) is arranged on the sixth inner terminal (34), and the sixth contact (44) is electrically connected with the second short-circuit terminal (7).
7. A smart output battery pack (36) as claimed in claim 1, wherein: the battery pack connecting seat (101) is a part of the shell (1) and is used for being connected with a tool, the tool and the battery pack are locked by the battery pack lock catch (31), and the battery pack can be separated from the tool after the battery pack button (31) is pressed.
8. A smart output battery pack (36) as claimed in any one of claims 1 to 3, wherein: a sliding groove (102) is formed in the shell (1), and the pushing block (47) pushes the end portion (301) through the sliding groove (102).
9. A smart output battery pack (36) as claimed in any one of claims 1 to 3, wherein: the first battery cell group (37) and the second battery cell group (38) are respectively composed of a plurality of battery cells.
10. A smart output battery pack (36) as claimed in any one of claims 1 to 3, wherein: the first electric core group (37) and the second electric core group (38) are respectively formed by connecting electric cores with the same number, the same voltage and the same capacity in series or in parallel.
CN202210450991.8A 2022-04-27 2022-04-27 Intelligent output battery pack Active CN114883732B (en)

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