CN114883732B - Intelligent output battery pack - Google Patents
Intelligent output battery pack Download PDFInfo
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- CN114883732B CN114883732B CN202210450991.8A CN202210450991A CN114883732B CN 114883732 B CN114883732 B CN 114883732B CN 202210450991 A CN202210450991 A CN 202210450991A CN 114883732 B CN114883732 B CN 114883732B
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/247—Mountings; 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
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/269—Mechanical 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
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
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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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- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Biophysics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses an intelligent output battery pack, which is characterized in that a spring is arranged on a shell and acts on a rotating seat to enable the end part of the rotating seat to be tilted to the outside of the battery pack shell, and the rotating seat is positioned at a first voltage position or a second voltage position. The inserting piece of the first tool is inserted into the corresponding output terminal of the battery pack, the battery pack outputs one voltage by utilizing the initial voltage position of the rotating seat, the inserting piece of the second tool is inserted into the corresponding output terminal of the battery pack and the pushing block of the second tool is inserted into the battery pack, the rotating seat is driven to rotate, the rotating seat switches the voltage position, and the battery pack outputs the other voltage. The intelligent output battery pack provided by the invention realizes linkage switching of serial and parallel voltages in the battery pack, and has the advantages of automatic conversion, compact, simple and reliable structure, low cost and the like.
Description
Technical Field
The invention relates to an intelligent output battery pack, and belongs to the technical field of batteries.
Background
Power tools are widely used in domestic and industrial applications as an electrical load comprising a motor. With the continuous development of battery manufacturing technology, more and more electric tools use batteries as power sources to form battery-type electric tools without power lines.
Different types of battery powered tools often have different voltage and current requirements, and if each type of battery powered tool is equipped with a single voltage level battery to provide voltage and current to the power tool, the battery may lack availability and convenience for the 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 the battery pack, when more than two groups of battery packs are arranged in the battery pack, the parallel output voltage can not change to obtain larger output current or can obtain longer working time under the condition that the tool current is limited, and the serial output can obtain higher output voltage output under the condition that the tool current is unchanged or can obtain longer working time under the condition that the tool power is kept unchanged, so how to design a battery pack which simultaneously has two voltage outputs in series-parallel connection and can be stably matched with different voltage electric tools is a technical problem which needs to be solved by the technicians in the field, and the voltage output conversion device is added in the tool to realize multi-voltage output between the battery pack and the tool is complex in structure, high in cost and low in reliability.
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 invention adopts the following technical scheme:
an intelligent output battery pack, comprising: the battery pack comprises a shell, a battery pack connecting seat, a first battery cell group with a positive electrode output and a negative electrode output, and a second battery cell group with a positive electrode output and a negative electrode output.
Further comprises:
the battery pack comprises a first positive electrode output terminal, a second positive electrode output terminal, a first negative electrode output terminal and a second negative electrode output terminal, wherein the positive electrode output terminal and the negative electrode output terminal are outwards connected with an inserting sheet terminal on a tool through a battery pack socket on a battery pack connecting seat, the first positive electrode output terminal and the second positive electrode output terminal are respectively and electrically connected with the first battery cell group and the positive electrode of the second battery cell group, and the first negative electrode output terminal and the second negative electrode output terminal are respectively and electrically connected with the negative electrode of the first battery cell group and the second battery cell group.
The first internal terminal is electrically connected with the first positive electrode output terminal; a second internal terminal is electrically connected with the second positive electrode output terminal, and a third internal terminal is electrically connected with the first negative electrode output terminal; the fourth internal 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 is electrically connected with the second short-circuit terminal; 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 and the fourth short-circuit terminal are electrically connected, and the fifth short-circuit terminal and the sixth short-circuit terminal are electrically connected.
When the rotating seat is positioned at the first voltage position, the first short-circuit terminal is electrically connected with the second positive electrode output terminal, the second short-circuit terminal is electrically connected with the first negative electrode output terminal, and the battery pack outputs a first voltage outwards; when the rotating seat is positioned 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 part of the rotating seat to be tilted to the outside of the battery pack shell, and the rotating seat is located at a first voltage position or a second voltage position.
Preferably, the method further comprises: a fifth inner terminal and a sixth inner terminal.
The fifth inner terminal is electrically connected to the second inner terminal and the second positive output terminal, respectively, and the sixth inner terminal is electrically connected to the third inner terminal and the first negative output terminal, respectively.
When the rotating seat is positioned at the first voltage position, the first short-circuit terminal is electrically connected with the fifth inner end, the second short-circuit terminal is electrically connected with the sixth inner end, and the battery pack outputs a first voltage outwards; when the rotating seat is positioned 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 rotary seat is positioned at a first voltage position, and the rotary seat is positioned at a second voltage position. The second positive electrode inserting piece of the second voltage tool is connected with the second positive electrode output terminal, the second negative electrode inserting piece of the second voltage tool is connected with the first negative electrode output terminal, and the rotating seat is positioned at the second voltage position. Preferably, the rotary seat further comprises a push block, wherein the push block is arranged on the first voltage tool or the second voltage tool and used for switching the rotary seat from the first voltage position to the second voltage position or from the second voltage position to the first voltage position.
Preferably, a sliding groove is formed in the shell, and the pushing block pushes the end portion 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 and electrically connected with the female sockets, are male inserting pieces.
As a preferable scheme, a first contact is arranged on the first inner terminal, and the first contact and the third short-circuit terminal are electrically connected; the second inner terminal is provided with a second contact, and is electrically connected with the fourth short-circuit terminal through the second contact; 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 battery cell group and the second battery cell group are respectively composed of a plurality of battery cells.
As a preferable scheme, the first battery cell group and the second battery cell group are respectively formed by connecting the battery cells with the same quantity, the same voltage and the same capacity in series or in parallel.
Preferably, the number of the first battery cell group and the second battery cell group is 5-20 knots, and the voltage of the battery cells is 3.2-4.0V.
Preferably, the battery pack connecting seat is a part of the shell and is used for being connected with the tool, the battery pack lock locks the tool and the battery pack, and the battery pack can be separated from the tool after the battery pack lock is pressed.
The beneficial effects are that: the intelligent output battery pack provided by the invention realizes linkage switching of serial and parallel voltages in the battery pack, and has the advantages of automatic conversion, compact, simple and reliable structure, low cost and the like.
Drawings
Fig. 1 is a schematic diagram of the structure of an intelligent output battery pack according to the present invention.
Fig. 2 is a schematic view of a rotary seat according to the present invention.
Fig. 3 is a schematic diagram of the installation of the rotary seat and the intelligent output battery pack according to the present invention.
Fig. 4 is a schematic diagram showing connection of conductive terminals in the intelligent output battery pack according to the present invention.
Fig. 5 is a schematic diagram of the connection of the internal circuits of the intelligent output battery pack according to the present invention.
Fig. 6 is a schematic diagram of a connection mode between the intelligent output battery pack and the first voltage tool according to the present invention.
Fig. 7 is a schematic diagram of the intelligent output battery pack access first voltage tool according to the present invention.
Fig. 8 is a schematic diagram showing the connection state of the intelligent output battery pack and the first voltage tool.
Fig. 9 is a schematic diagram of a connection mode between the intelligent output battery pack and the second voltage tool according to the present invention.
Fig. 10 is a schematic diagram of a smart output battery pack access second voltage tool according to the present invention.
FIG. 11 is a schematic diagram showing the connection state of the intelligent output battery pack and the second voltage tool.
Fig. 12 is a schematic view of a rotary seat of a second embodiment of the intelligent output battery pack according to the present invention.
Fig. 13 is a schematic diagram showing connection of internal conductive terminals of a second embodiment of the intelligent output battery pack according to the present invention.
Fig. 14 is a schematic diagram showing 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 showing a connection state between the second embodiment of the intelligent output battery pack and the second voltage tool according to the present invention.
Description of the embodiments
The invention will be further described with reference to specific examples.
Examples
As shown in fig. 1-5, a first embodiment of a smart output battery pack 36 includes: the battery pack comprises a housing 1, a battery pack connection holder 101, a first cell group 37 with one positive and one negative output, and a second cell group 38 with one positive and one negative output. The battery pack connection seat 101 is a part of the housing 1 for connection with a tool, the battery pack lock 31 locks the tool with the battery pack, and the battery pack can be separated from the tool after the battery pack lock 31 is pressed.
Further comprises:
the first positive electrode output terminal 2, the second positive electrode output terminal 3, the first negative electrode output terminal 4 and the second negative electrode output terminal 5, the first positive electrode output terminal 2, the second positive electrode output terminal 3 or the first negative electrode output terminal 4, the second negative electrode output terminal 5 sequentially pass through a first battery pack socket 201, a second battery pack socket 301 and a third battery pack socket 401 at the end part of the battery pack connecting seat 101, the fourth battery pack socket 501 can be electrically connected with an inserting sheet terminal on a tool outwards, the first positive electrode output terminal 2 and the second positive electrode output terminal 3 are respectively electrically connected with the positive electrodes of the first battery cell group 37 and the second battery cell group 38, and the first negative electrode output terminal 4 and the second negative electrode output terminal 5 are respectively electrically connected with the negative electrodes of the first battery cell group 37 and the second battery cell group 38.
The first internal 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 internal terminal 15 is electrically connected to the second negative output terminal 5.
Further comprises: a rotating base 30, wherein the rotating base 30 is mounted on a 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, 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; the second voltage position is provided with 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, wherein the third short-circuit terminal 8 and the fourth short-circuit terminal 9 are electrically connected, and the fifth short-circuit terminal 10 and the sixth short-circuit terminal 11 are electrically connected.
When the rotating seat 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 seat 30 is located at the second voltage position, 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, the sixth shorting terminal 11 is electrically connected to the fourth inner terminal 15, and the battery pack 36 outputs a second voltage.
Further comprises: and a spring 16, wherein the spring 16 acts on the rotating seat 30 to enable the end 300 of the rotating seat 30 to tilt to the outside of the battery pack case 1, meanwhile, the first shorting terminal 6 is electrically connected with the fifth inner terminal 33, and the second shorting terminal 7 is electrically connected with the sixth inner terminal 34.
Preferably, the fifth internal terminal 33 is disposed between the second internal terminal 13 and the second positive output terminal 3, the fifth internal terminal 33 is electrically connected to the second internal terminal 13 and the second positive output terminal 3, respectively, the sixth internal terminal 34 is disposed between the third internal terminal 14 and the first negative output terminal 4, and the sixth internal terminal 34 is electrically connected to the third internal terminal 14 and the first negative output terminal 4, respectively.
Preferably, the second internal terminal 13 is directly electrically connected to the second positive output terminal 3, and the third internal terminal 14 is directly electrically connected to the first negative output terminal 4.
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 seat 30 is located at the second voltage position, 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, the sixth shorting terminal 11 is electrically connected to the fourth inner terminal 15, and the battery pack 36 outputs a second voltage.
As shown in fig. 6-8, preferably, the first positive electrode tab 39 of the first voltage tool 41 is connected with the positive electrode of the first cell group 37 through the first positive electrode output terminal 2, the positive electrode of the second cell group 38 is connected with the second positive electrode output terminal 3, the second positive electrode output terminal 3 is communicated with the first negative electrode output terminal 4 through the fifth internal terminal 33 and the sixth internal terminal 34 through the first shorting terminal 6 and the second shorting terminal 7, or the first positive electrode output terminal 2 is communicated with the first negative electrode output terminal 4 directly through the first shorting terminal 6 and the second shorting terminal 7 and the first negative electrode output terminal 4; so that the positive electrode of the second cell group 38 is equipotential with the negative electrode of the first cell group 37, 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 piece 39 is connected with the positive electrode of the first cell group 37, the positive electrode of the second cell group 38 is connected in series through the first short-circuit terminal 6 and the second short-circuit terminal 7 by the negative electrode of the first cell group 37, and the negative electrode of the second cell group 38 is conducted with the first negative electrode inserting piece 40.
The first and second battery cell groups 37 and 38 of the battery pack 36 are serially connected to output, the battery pack 36 outputs a first voltage, such as 36V, and the battery pack 36 has a higher discharge voltage, higher discharge power and discharge efficiency, and is more suitable for supplying power to high-power tools.
As shown in fig. 9-11, preferably, the second voltage tool 42 is provided with a push block 47, when the second voltage tool 42 is connected to the battery pack 36, the push block 47 acts on the end 300 to drive the rotating base 30 to rotate, so that the third shorting terminal 8 is electrically connected with the first inner terminal 12, the fourth shorting terminal 9 is electrically connected with the second inner terminal 13, the fifth shorting terminal 10 is electrically connected with the third inner terminal 14, the sixth shorting terminal 11 is electrically connected with the fourth inner terminal 15, and the battery pack 36 is changed 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 45 and a second negative electrode inserting sheet 46, the second positive electrode inserting sheet 45 is connected with the positive electrode of the second cell group 38 through the second positive electrode output terminal 3, the second positive electrode output terminal 3 is directly or indirectly connected with the second inner terminal 13, the second inner terminal 13 is communicated with the first inner terminal 12 through the fourth short circuit terminal 9 and the third short circuit terminal 8, and the second positive electrode output terminal 3 is in positive equipotential with the first cell group 37 of the first positive electrode output terminal 2 through the first inner terminal 12.
The second negative electrode insert 46 is connected with the negative electrode of the first cell group 37 through the first negative electrode output terminal 4, the first negative electrode output terminal 4 is directly or indirectly connected with the third internal terminal 14, the third internal terminal 14 is communicated with the fourth internal terminal 15 through the fifth short-circuit terminal 10 and the sixth short-circuit terminal 11, and the first negative electrode output terminal 4 is in negative electrode equipotential with the second cell group 38 of the second negative electrode output terminal 5 through the fourth internal terminal 15.
The second positive electrode inserting piece 45 is simultaneously connected with the positive electrodes of the first cell group 37 and the second cell group 38, and the second negative electrode inserting piece 46 is simultaneously connected with the negative electrodes of the first cell group 37 and the second cell group 38.
The first and second battery cell groups 37 and 38 of the battery pack 36 are output in parallel, and the battery pack 36 outputs a second voltage, such as 18V, so that the battery pack 36 has a higher discharge current capability and a longer operation time.
Preferably, the first inner terminal 12 is provided with a first contact 22, 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; the sixth inner terminal 34 is provided with a sixth contact 44, and is electrically connected to the second shorting terminal 7 through the sixth contact 44.
Preferably, a sliding groove 102 is provided on the housing 1, and the pushing block 47 pushes the end 300 through the sliding groove 102.
Preferably, the first battery cell group 37 and the second battery cell group 38 are respectively composed of a plurality of battery cells.
Preferably, the first battery cell group 37 and the second battery cell group 38 are respectively formed by connecting the battery cells with the same quantity, the same voltage and the same capacity in series or in parallel.
Preferably, the number of the first battery cell group 37 and the second battery cell group 38 is 5-20 knots, and the voltage of the battery cells is 3.2-4.0V.
The first positive output terminal 2 is preferably connected to the first internal terminal 12 by a printed wiring board or wire 17. The second positive output terminal 3 is connected to one end of the fifth internal terminal 33 via a printed wiring board or wire 18, and the other end of the fifth internal terminal 33 is connected to the second internal terminal 13 via a printed wiring board or wire 19. The first negative output terminal 4 is connected to one end of a sixth internal terminal 34 via a printed wiring board or wire 20, and the other end of the sixth internal terminal 34 is connected to the third internal terminal 14 via a printed wiring board or wire 21. The second negative output terminal 5 is connected to the fourth internal terminal 15 by a printed wiring board or wire 26.
The first shorting terminal 6 is connected to the second shorting terminal 7 by 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 via a printed circuit board or wire 29.
Examples
As shown in fig. 12-15, in a second embodiment, the terminal structures of the first internal terminal 12, the second internal terminal 13, the third internal terminal 14, the fourth internal terminal 15, the fifth internal terminal 33 and the sixth internal terminal 34 are female sockets, and the terminal structures of the third shorting terminal 8, the fourth shorting terminal 9, the fifth shorting terminal 10, the sixth shorting terminal 11, the first shorting terminal 6 and the second shorting terminal 7, which are correspondingly electrically connected to the female sockets, are male tabs.
The foregoing is only a preferred embodiment of the invention, it being 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 present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (10)
1. An intelligent output battery pack (36), comprising: the battery pack comprises a shell (1), a battery pack connecting seat (101), a first battery cell group (37) with a positive electrode output and a negative electrode output, and a second battery cell group (38) with a positive electrode output and a negative electrode output;
further comprises:
the battery pack comprises a first positive electrode output terminal (2), a second positive electrode output terminal (3), a first negative electrode output terminal (4) and a second negative electrode output terminal (5), wherein the positive electrode output terminal and the negative electrode output terminal can be electrically connected with an inserting sheet terminal on a tool outwards through a battery pack inserting opening on a battery pack connecting seat (101), the first positive electrode output terminal (2) and the second positive electrode output terminal (3) are respectively electrically connected with the positive electrodes of a first battery cell group (37) and a second battery cell group (38), and the first negative electrode output terminal (4) and the second negative electrode output terminal (5) are respectively electrically connected with the negative electrodes of the first battery cell group (37) and the second battery cell group (38);
a first internal terminal (12) is electrically connected to the first positive output terminal (2); a second internal terminal (13) is electrically connected to the second positive output terminal (3), and a third internal terminal (14) is electrically connected to the first negative output terminal (4); a fourth internal terminal (15) is electrically connected to 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) and the fourth short-circuit terminal (9) are electrically connected, and the fifth short-circuit terminal (10) and the sixth short-circuit terminal (11) are electrically connected;
when the rotating seat (30) is positioned at the first voltage position, the first short-circuit terminal (6) is electrically connected with the second positive electrode output terminal (3), the second short-circuit terminal (7) is electrically connected with the first negative electrode output terminal (4), and the battery pack (36) outputs a first voltage outwards; when the rotating seat (30) is positioned 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;
the battery pack (36) is provided with a spring (16), the spring (16) acts on the rotating seat (30) to enable the end part (300) of the rotating seat (30) to tilt to the outside of the battery pack shell (1), and the rotating seat (30) is located at a first voltage position or a second voltage position.
2. An intelligent output battery pack (36) according to claim 1, wherein: further comprises: a fifth inner terminal (33) and a sixth inner terminal (34);
the fifth internal terminal (33) is electrically connected to the second internal terminal (13) and the second positive output terminal (3), and the sixth internal terminal (34) is electrically connected to the third internal terminal (14) and the first negative output terminal (4);
when the rotating seat (30) is positioned 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. An intelligent output battery pack (36) according to claim 2, wherein: 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 and electrically connected with the female sockets are male inserting pieces.
4. A smart output battery pack (36) as claimed in any one of claims 1-3 wherein: the electric power generation device further comprises a first voltage tool (41) and a second voltage tool (42), wherein a first positive electrode inserting piece (39) of the first voltage tool (41) is connected with the first positive electrode output terminal (2), a first negative electrode inserting piece (40) of the first voltage tool (41) is connected with the second negative electrode output terminal (5), and the rotating seat (30) is positioned at a first voltage position; a second positive electrode insert (45) of the second voltage tool (42) is connected with the second positive electrode output terminal (3), a second negative electrode insert (46) of the second voltage tool (42) is connected with the first negative electrode output terminal (4), and the rotating seat (30) is located at a second voltage position.
5. An intelligent output battery pack (36) as claimed in claim 4 wherein: the electric motor further comprises 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 rotary seat (30) from the first voltage position to the second voltage position or from the second voltage position to the first voltage position.
6. An intelligent output battery pack (36) according to 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); 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. An intelligent output battery pack (36) according to 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 lock catch (31) is pressed.
8. An intelligent output battery pack (36) as claimed in claim 5 wherein: a sliding groove (102) is formed in the shell (1), and the pushing block (47) pushes the end portion (300) through the sliding groove (102).
9. A smart output battery pack (36) as claimed in any one of claims 1-3 wherein: the first cell group (37) and the second cell group (38) are respectively composed of a plurality of cells.
10. A smart output battery pack (36) as claimed in any one of claims 1-3 wherein: the first battery cell group (37) and the second battery cell group (38) are respectively formed by connecting the battery cells with the same quantity, the same voltage and the same capacity in series or in parallel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210450991.8A CN114883732B (en) | 2022-04-27 | 2022-04-27 | Intelligent output battery pack |
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| CN202210450991.8A CN114883732B (en) | 2022-04-27 | 2022-04-27 | Intelligent output battery pack |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429676A (en) * | 2019-08-02 | 2019-11-08 | 江苏苏美达五金工具有限公司 | Battery pack charging method and circuit |
| WO2022028399A1 (en) * | 2020-08-04 | 2022-02-10 | 格力博(江苏)股份有限公司 | Multi-voltage battery pack, electric tool system, and charging system |
| CN114301131A (en) * | 2021-12-29 | 2022-04-08 | 格力博(江苏)股份有限公司 | System, power supply system and electric tool system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080166624A1 (en) * | 2007-01-05 | 2008-07-10 | Mobiletron Electronics Co., Ltd. | Li-ion battery pack and method of outputting DC power supply from the Li-ion battery pack to a power hand tool |
-
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429676A (en) * | 2019-08-02 | 2019-11-08 | 江苏苏美达五金工具有限公司 | Battery pack charging method and circuit |
| WO2022028399A1 (en) * | 2020-08-04 | 2022-02-10 | 格力博(江苏)股份有限公司 | Multi-voltage battery pack, electric tool system, and charging system |
| CN114301131A (en) * | 2021-12-29 | 2022-04-08 | 格力博(江苏)股份有限公司 | System, power supply system and electric tool system |
Non-Patent Citations (2)
| Title |
|---|
| 一种具有充电功能的交直流转换电路的设计与实现;王强;兰陟;邢阳辉;王丽;;化工自动化及仪表(第04期);全文 * |
| 基于实现电池组串并联切换的管理系统研究;任嘉祥;董新华;王星;沈力;沈文卓;;电源技术(第06期);全文 * |
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