CN114301131A

CN114301131A - System, power supply system and electric tool system

Info

Publication number: CN114301131A
Application number: CN202111642233.8A
Authority: CN
Inventors: 陆春桃; 严安; 霍晓辉
Original assignee: Globe Jiangsu Co Ltd
Current assignee: Globe Jiangsu Co Ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-04-08

Abstract

The invention provides a system, a power supply system and an electric tool system, wherein the system comprises: the battery pack comprises a shell, a first battery pack cavity, a second battery pack cavity, an input end, a switching structure and an output end. The first battery pack cavity is arranged in the shell and provided with a first inserting piece seat, and the first battery pack cavity is suitable for a single-voltage battery pack or a double-voltage battery pack; the second battery pack cavity is arranged in the shell and is provided with a second inserting piece seat, and the second battery pack cavity is suitable for a single-voltage battery pack or a double-voltage battery pack; the input end is respectively and electrically connected with the first inserting sheet seat and the second inserting sheet seat; the switching structure is arranged in the shell and is provided with a first switching part and a second switching part; the output ends are respectively electrically connected with the first switching part and the second switching part; when the switching structure is at the first position, the output end is configured to output a first voltage; when the switching structure is in the second position, the output end is configured to output a second voltage. The invention can solve the problem that the existing power supply can only output one voltage due to single circuit connection relation.

Description

System, power supply system and electric tool system

Technical Field

The invention relates to the field of electric tools, in particular to a system, a power supply system and an electric tool system.

Background

Electrical devices or equipment such as garden tools, electric tools, and home appliances are often equipped with an independent power supply. However, with the existing battery pack, the internal circuit connection relationship is fixed, that is, the serial or parallel circuit connection between the battery pack and the battery pack is fixed, so that the power supply can only provide one output voltage. This results in the need to reconfigure the power supply when the series or parallel connections between the battery packs need to be changed, which is time consuming and labor intensive and causes great inconvenience to the user.

Disclosure of Invention

In view of the above disadvantages of the prior art, the present invention provides a system, a power supply system and a power tool system to improve the problem that the conventional power supply can only output one voltage due to a single circuit connection relationship in the battery pack.

To achieve the above and other related objects, the present invention provides a system comprising: the battery pack comprises a shell, a first battery pack cavity, a second battery pack cavity, an input end, a switching structure and an output end. The first battery pack cavity is arranged in the shell and is provided with a first inserting piece seat, the first battery pack cavity is suitable for a single-voltage battery pack or a double-voltage battery pack, the single-voltage battery pack can provide a voltage to the outside, the single-voltage battery pack is provided with a single-voltage battery pack terminal, the single-voltage battery pack terminal comprises a positive terminal and a negative terminal, the double-voltage battery pack can provide two voltages to the outside, the double-voltage battery pack is provided with a double-voltage battery pack terminal, the double-voltage battery pack terminal comprises two positive terminals and two negative terminals, the first inserting piece seat is matched with the single-voltage battery pack terminal or the double-voltage battery pack terminal, and the first inserting piece seat is configured to be electrically connected with the single-voltage battery pack terminal or the double-voltage battery pack terminal; the second battery pack cavity is arranged in the shell and is provided with a second inserting piece seat, the second battery pack cavity is suitable for a single-voltage battery pack or a double-voltage battery pack, and the second inserting piece seat is configured to be electrically connected with a single-voltage battery pack terminal or a double-voltage battery pack terminal; the input end is respectively and electrically connected with the first inserting sheet seat and the second inserting sheet seat; the switching structure is arranged in the shell and is provided with a first switching part and a second switching part; the output end is respectively electrically connected with the first switching part and the second switching part and used for outputting energy to the outside; when the switching structure is at the first position, the output end is configured to output a first voltage; when the switching structure is in the second position, the output end is configured to output a second voltage.

In one embodiment of the present invention, the input terminal includes a first input terminal and a second input terminal; the first input end is electrically connected with the first inserting sheet seat and the second inserting sheet seat respectively; the second input end is electrically connected with the first inserting sheet seat and the second inserting sheet seat respectively.

In an embodiment of the present invention, when the switching structure is at the first position, the first switching part is electrically connected to the first input terminal, and the second switching part is disconnected from the second input terminal; when the switching structure is at the second position, the second switching part is electrically connected with the second input end, and the first switching part is disconnected with the first input end.

In one embodiment of the present invention, the terminal of the first switching part is matched with the terminal of the first input terminal, and the terminal of the second switching part is matched with the terminal of the second input terminal.

In one embodiment of the invention, the first insert seat can be matched with the single-voltage battery pack terminal or the double-voltage battery pack terminal at will; the second insert seat can be matched with the single-voltage battery pack terminal or the double-voltage battery pack terminal at will.

In an embodiment of the invention, the input terminal is connected to the first card slot, the second card slot and the third card slot respectively through wires.

In one embodiment of the present invention, the conductive wires are integrated on the PCB.

In one embodiment of the present invention, a switching structure includes: a support and a slide bar; the support body is fixedly connected with the sliding rod; the first switching part is arranged on one side of the supporting body, and the second switching part is arranged on the other side of the supporting body.

In an embodiment of the present invention, the switching structure further includes: the reset piece is arranged on the slide rod.

The present invention also provides a power supply system comprising: the battery pack comprises a shell, a first battery pack cavity, a second battery pack cavity, a battery pack, an input end, a switching structure and an output end. The battery pack comprises at least one single-voltage battery pack or at least one double-voltage battery pack, the single-voltage battery pack is provided with a single-voltage battery pack terminal and outputs one voltage outwards, and the double-voltage battery pack is provided with a double-voltage battery pack terminal and outputs two voltages outwards; the first battery pack cavity is arranged in the shell, a first inserting piece seat is arranged on the first battery pack cavity and used for accommodating a single-voltage battery pack or a double-voltage battery pack, and the first inserting piece seat is matched with a single-voltage battery pack terminal or a double-voltage battery pack terminal; the second battery pack cavity is arranged in the shell, a second inserting piece seat is arranged on the second battery pack cavity, the second battery pack cavity is used for accommodating the single-voltage battery pack or the double-voltage battery pack, and the second inserting piece seat is matched with the single-voltage battery pack terminal or the double-voltage battery pack terminal; the battery pack is electrically connected with the corresponding plug sheet seat. The input end is respectively and electrically connected with the first inserting sheet seat and the second inserting sheet seat; the switching structure is arranged in the shell and is provided with a first switching part and a second switching part; the output end is respectively electrically connected with the first switching part and the second switching part and used for outputting energy to the outside; when the switching structure is at the first position, the output end outputs a first voltage; when the switching structure is in the second position, the output end outputs a second voltage.

In one embodiment of the present invention, a battery pack includes: a dual voltage battery pack.

In one embodiment of the present invention, a battery pack includes: two piezoelectric cell packs.

In one embodiment of the present invention, a battery pack includes: a single-voltage battery pack and a double-voltage battery pack.

In one embodiment of the present invention, a battery pack includes: two double-voltage battery packs.

The present invention provides an electric tool system comprising: the battery pack comprises a shell, a first battery pack cavity, a second battery pack cavity, a battery pack, an input end, a switching structure, an output end, an adapter, a first tool and a second tool. The battery pack comprises at least one single-voltage battery pack or at least one double-voltage battery pack, the single-voltage battery pack is provided with a single-voltage battery pack terminal and outputs one voltage outwards, and the double-voltage battery pack is provided with a double-voltage battery pack terminal and outputs two voltages outwards; the first battery pack cavity is arranged in the shell, a first inserting piece seat is arranged on the first battery pack cavity and used for accommodating a single-voltage battery pack or a double-voltage battery pack, and the first inserting piece seat is matched with a single-voltage battery pack terminal or a double-voltage battery pack terminal; the second battery pack cavity is arranged in the shell, a second inserting piece seat is arranged on the second battery pack cavity, the second battery pack cavity is used for accommodating the single-voltage battery pack or the double-voltage battery pack, and the second inserting piece seat is matched with the single-voltage battery pack terminal or the double-voltage battery pack terminal; the battery pack is electrically connected with the corresponding plug sheet seat. The input end is respectively and electrically connected with the first inserting sheet seat and the second inserting sheet seat; the switching structure is arranged in the shell and is provided with a first switching part and a second switching part; the output ends are respectively electrically connected with the first switching part and the second switching part; when the switching structure is at the first position, the output end outputs a first voltage; when the switching structure is at the second position, the output end outputs a second voltage; the adapter is provided with an adaptive interface, and the adapter is configured to be electrically connected with the output end; the first tool is provided with a first tool interface, and when the first tool interface is combined with the adaptive interface, the adapter is electrically connected with the first tool; the second tool is provided with a second tool interface, and when the second tool interface is combined with the adaptive interface, the adapter is electrically connected with the second tool.

In an embodiment of the present invention, the electric tool system further includes a socket configured to connect to the output terminal; the plug wire seat is provided with a plug part and a push-pull part, the push-pull part is sleeved on the plug part, and a push block is arranged in the push-pull part; the push-pull part is provided with a pressing piece and a limiting piece, and the limiting piece is arranged on the pressing piece.

In one embodiment of the present invention, the socket is provided at an end of the power line.

In an embodiment of the present invention, the pressing member is further provided with a first mark region and a second mark region.

In one embodiment of the present invention, the operating voltage of the first tool is a first voltage, and the operating voltage of the second tool is a second voltage.

In one embodiment of the present invention, the operating voltage of the first tool is the second voltage, and the operating voltage of the second tool is the first voltage.

In one embodiment of the present invention, the power tool system further includes a harness, the harness being connected to the housing.

According to the system, the shell is used for mounting the battery pack, the inserting piece seat is used for being electrically connected with the battery pack, and when the positions of the switching structures are different, the output ends can be configured with different output voltages, so that the output ends can be configured with two types of voltages. The system has the advantages of simple structure, convenient realization, easy operation, small occupied space and the like. Meanwhile, the system can provide two different output voltages after being placed into the battery pack, tools with two different working voltages are met, the application range of the power supply system is enlarged, and the problem that the existing power supply can only output one voltage is effectively solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an assembly view of the overall structure of the system of the present invention;

FIG. 2 is an exploded view of the system of the present invention;

FIG. 3 is a schematic diagram of the output of the system of the present invention;

FIG. 4 is a schematic diagram of a battery pack cavity of the system of the present invention;

FIG. 5 is an assembly view of the first and second wafer seats of the present invention;

fig. 6 is a schematic structural view of a single-voltage battery pack according to the present invention;

fig. 7 is a schematic structural view of a dual-voltage battery pack according to the present invention;

FIG. 8 is a schematic structural view of a first wafer stage according to the present invention;

FIG. 9 is an assembly view of the switch structure and the mounting base of the present invention;

FIG. 10 is a top view of the switch structure and the mounting base of the present invention;

FIG. 11 is an exploded view of the switch structure and mounting base of the present invention;

FIG. 12 is an exploded view of the switching architecture of the present invention;

FIG. 13 is a schematic diagram of the connection circuit of the present invention;

fig. 14 is a schematic circuit diagram of a battery pack in a dual voltage battery pack;

FIG. 15 is a schematic diagram of the circuit of FIG. 14 outputting a first voltage;

FIG. 16 is a schematic diagram of the circuit of FIG. 14 outputting a second voltage;

fig. 17 is a schematic circuit diagram of a single-voltage battery pack and a double-voltage battery pack;

FIG. 18 is a schematic diagram of the circuit of FIG. 17 outputting a first voltage;

FIG. 19 is a schematic diagram of the circuit of FIG. 17 outputting a second voltage;

fig. 20 is a schematic circuit diagram of the battery pack in two dual voltage battery packs;

FIG. 21 is a schematic diagram of the circuit of FIG. 20 outputting a first voltage;

FIG. 22 is a schematic diagram of the circuit of FIG. 20 outputting a second voltage;

fig. 23 is a schematic circuit diagram of a battery pack with two single-voltage battery packs;

FIG. 24 is a schematic diagram of the circuit of FIG. 23 outputting a first voltage;

FIG. 25 is a schematic diagram of the circuit of FIG. 23 outputting a second voltage;

FIG. 26 is a schematic structural view of the wire receptacle of the present invention;

FIG. 27 is an enlarged view of the socket and the third limiting member of the present invention;

FIG. 28 is a schematic view of the harness and a second power tool of the present invention;

fig. 29 is a schematic view of the harness and the first power tool of the present invention.

Description of the element reference numerals

100. A system; 110. a housing; 111. a first battery pack cavity; 112. a second battery pack cavity; 113. an upper housing; 114. a lower housing; 115. a third limiting member; 120. an input end; 121. a first input terminal; 122. a second input terminal; 130. a switching structure; 131. a first switching section; 132. a second switching unit; 133. a support body; 134. a slide bar; 135. a reset member; 140. an output end; 150. a first insert seat; 151. a first terminal; 152. a second terminal; 160. a second insert seat; 170. a harness; 180. a PCB board; 190. a mounting seat; 191. a chute; 200. a battery pack; 210. a single-voltage battery pack; 211. a single-voltage battery pack terminal; 220. a dual-voltage battery pack; 221. a dual voltage battery pack terminal; 300. a power line; 310. a plug wire seat; 3110. a plug-in part; 3120. a push-pull section; 3121. a push block; 3122. a pressing member; 3123. a limiting member; 3124. a first identification area; 3125. a second identification area; 400. an adapter; 500. a first tool; 600. a second tool.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.

It should be understood that the terms "upper", "lower", "left", "right", "middle" and "one" used herein are for clarity of description only, and are not intended to limit the scope of the invention, and that changes or modifications in the relative relationship may be made without substantial technical changes and modifications.

Referring to fig. 1 to 7, the present invention provides a system, comprising: the battery pack includes a housing 110, a first battery pack cavity 111, a second battery pack cavity 112, an input terminal 120, a switching mechanism 130, and an output terminal 140. First battery package chamber 111 sets up in casing 110, be provided with first picture peg seat 150 on it, first battery package chamber 111 is applicable to single-voltage battery package 210 or two battery package 220 of pressing, single-voltage battery package 210 can externally provide a voltage, be provided with single-voltage battery package terminal 211 on the single-voltage battery package 210, single-voltage battery package terminal 211 includes a positive terminal and a negative terminal, two battery package 220 can externally provide two kinds of voltages, be provided with two battery package terminals 221 on two battery package 220, two battery package terminals 221 include two positive terminals and two negative terminals, first picture peg seat 150 and single-voltage battery package terminal 211 or two battery package terminals 221 phase-match, first picture peg seat 150 configuration and single-voltage battery package terminal 211 or two battery package terminals 221 carry out the electricity to be connected. The second cell pack cavity 112 is disposed in the housing 110, and is provided with a second tab holder 160, the second cell pack cavity 112 is suitable for a single-voltage cell pack or a dual-voltage cell pack, and the second tab holder 160 is configured to be electrically connected to the single-voltage cell pack terminal 211 or the dual-voltage cell pack terminal 221. The input terminal 120 is electrically connected to the first card socket 150 and the second card socket 160, respectively. The switch structure 130 is disposed in the housing 110, and a first switch portion 131 and a second switch portion 132 are disposed thereon. The output end 140 is electrically connected to the first switching portion 131 and the second switching portion 132, respectively, for outputting energy to the outside. The switching mechanism 130 may be located in the first position or the second position. When the switching mechanism 130 is in the first position, the output end 140 can be configured to output a first voltage, that is, the output end 140 outputs the first voltage after the battery pack is loaded in the housing; when the switching mechanism 130 is in the second position, the output end 140 can be configured to output a second voltage, that is, the output end outputs the second voltage after the battery pack is loaded in the housing 110; the first voltage is different from the second voltage. The system further includes a harness 170, the housing 110 being mounted on the harness 170, the system being carried by the worker via the harness 170. In one embodiment of the present invention, the housing 110 is detachably mounted on the strap 170 for easy storage and use.

Referring to fig. 8, in an embodiment of the present invention, the first tab holder 150 can be arbitrarily matched with a single-voltage battery pack terminal or a dual-voltage battery pack terminal; the second tab receptacle 160 can be arbitrarily mated with a single or dual voltage battery pack terminal.

Referring to fig. 5 and 9, in an embodiment of the invention, the input terminal 120 includes a first input terminal 121 and a second input terminal 122; the first input end 121 is electrically connected to the first card slot 150 and the second card slot 160, respectively; the second input terminal 122 is electrically connected to the first card socket 150 and the second card socket 160, respectively.

Referring to fig. 8, the first card holder 150 and the second card holder 160 have the same structure, for example, four first terminals 151 are disposed on one side of the first card holder 150, four second terminals 152 are disposed on the other side of the first card holder 150, wherein the first terminals 151 are matched with the terminals of the single-cell package, the second terminals 152 are electrically connected to the input end 120, and the first terminals 151 are electrically connected to the corresponding second terminals 152.

The single-voltage battery pack is correspondingly provided with through holes, when the single-voltage battery pack is installed on the first inserting piece seat 150, two first terminals are inserted into the corresponding through holes and are in an idle state, and the rest two first terminals are correspondingly electrically connected with the terminals of the single-voltage battery pack.

The first switching unit 131 is composed of a plurality of connection terminals, and the number of the connection terminals is equal to the number of the connection terminals of the first input terminal 121. The second switch 132 is composed of a plurality of connection terminals, and the number of the connection terminals is equal to the number of the connection terminals of the second input terminal 122.

The number of terminal connections of the first input 121 is the sum of the number of terminals of the second terminal 152. The number of terminal connections of the second input 122 is the sum of the number of terminals of the second terminal 152. For example, the first wafer stage 150 has 4 second terminals 152, and the second wafer stage 150 has 4 second terminals 152, so the number of terminals of the first input terminal 121 is 8, and the number of terminals of the second input terminal 121 is 8. Therefore, the first switching unit 131 is constituted by eight wire terminals, and the second switching unit 131 is constituted by eight switching terminals.

In one embodiment of the present invention, the four second terminals 152 of the first card socket 150 are respectively labeled as: 1+,2+,2-, 1-; the four second terminals 152 of the second wafer holder 160 are respectively labeled as: 3+,4+,4-,3-.

The eight terminal connections of the first input 121 are respectively labeled: 121a, 121b, 121c, 121d, 121e, 121f, 121g, 121 h; the 121a terminal, the 121b terminal, the 121c terminal, and the 121d terminal are electrically connected to the 1+ terminal, the 2+ terminal, the 3+ terminal, and the 4+ terminal in a one-to-one correspondence, and the specific correspondence in the one-to-one correspondence is not limited. The 121e terminal, the 121f terminal, the 121g terminal, and the 121h terminal are electrically connected to the 1-terminal, the 2-terminal, the 3-terminal, and the 4-terminal in a one-to-one correspondence, and the specific correspondence in the one-to-one correspondence is not limited, for example, in an embodiment of the present invention, the 121e terminal is electrically connected to the 2-terminal, and the 121f terminal is electrically connected to the 1-terminal; the 121g terminal is electrically connected with the 4-terminal; the 121h terminal is electrically connected to the 3-terminal.

The eight terminal connections of the second input 122 are labeled: 122a, 122b, 122c, 122d, 122e, 122f, 122g, 122 h. The

terminals

122a, 122b, 122c, 122d, 122e, 122f, 122g and 122h are electrically connected to the terminals 1+, 3+, 1-4, 3-, 2+ 4-and 2-respectively, and the correspondence relationship between the terminals may be any implementable scheme capable of achieving the technical effects and achieving the objectives of the present invention. In one embodiment of the present invention, the 122a terminal is electrically connected to the 1+ terminal, the 122b terminal is electrically connected to the 3+ terminal, the 122c terminal is electrically connected to the 1-terminal, the 122d terminal is electrically connected to the 4+ terminal, the 122e terminal is electrically connected to the 3-terminal, the 122f terminal is electrically connected to the 2+ terminal, the 122g terminal is electrically connected to the 4-terminal, and the 122h terminal is electrically connected to the 2-terminal.

The eight terminal terminals of the first switching portion 131 are respectively labeled as: 131a, 131b, 131c, 131d, 131e, 131f, 131g, 131 h; the 131a terminal configuration is electrically connected with the 121a terminal, the 131b terminal configuration is electrically connected with the 121b terminal, the 131c terminal configuration is electrically connected with the 121c terminal, the 131d terminal configuration is electrically connected with the 121d terminal, the 131e terminal configuration is electrically connected with the 121e terminal, the 131f terminal configuration is electrically connected with the 121f terminal, the 131g terminal configuration is electrically connected with the 121g terminal, and the 131h terminal configuration is electrically connected with the 121h terminal. The eight connection terminals of the first switching portion 131 can be electrically connected to each other, and the eight connection terminals can be electrically connected to each other in any manner that can achieve the object and effect of the present invention. In one embodiment of the present invention, the 131a terminal, the 131b terminal, the 131c terminal and the 131d terminal are electrically connected to each other and to the positive terminal of the output terminal 140; the 131e terminal, the 131f terminal, the 131g terminal, and the 131h terminal are electrically connected to each other and to the negative terminal of the output terminal 140.

Eight terminal terminals of the second switch 132 are respectively labeled as 132a, 132b, 132c, 132d, 132e, 132f, 132g, 132 h; the 132a terminal configuration is electrically connected to the 122a terminal, the 132b terminal configuration is electrically connected to the 122b terminal, the 132c terminal configuration is electrically connected to the 122c terminal, the 132d terminal configuration is electrically connected to the 122d terminal, the 132e terminal configuration is electrically connected to the 122e terminal, the 132f terminal configuration is electrically connected to the 122f terminal, the 132g terminal configuration is electrically connected to the 122g terminal, and the 132h terminal configuration is electrically connected to the 122h terminal. The eight connection terminals of the second switching portion 132 may be electrically connected to each other, and the eight connection terminals may be electrically connected to each other in any manner that can achieve the object and effect of the present invention. The 132a terminal is electrically connected to the 132b terminal and to the positive terminal of the output terminal 140, the 132c terminal, the 132d terminal, the 132e terminal, and the 132f terminal, and the 132g terminal is electrically connected to the 132h terminal and to the negative terminal of the output terminal 140.

Referring to fig. 10 to 12, the

terminals

131a, 131b, 131c and 131d of the first switching portion 131 may be integrally formed and made of a conductive material. The 131e terminal, 131f terminal, 131g terminal and 131h terminal of the first switching portion 131 are integrally formed and made of a conductive material. The 132a terminal and the 132b terminal of the second switching portion 132 may be integrally formed, the 132c terminal, the 132d terminal, the 132e terminal, and the 132f terminal may be integrally formed, and the 132g terminal and the 132h terminal may be integrally formed, and the integrally formed structures may be made of an electric conductor. Note that, in the present embodiment, the reference numerals of the terminals are for clarity of description only, and are not intended to be limiting.

Referring to fig. 13, in an embodiment of the invention, when the switching structure 130 is at the first position, the first switching part 131 is electrically connected to the first input end 121, and the second switching part 132 is disconnected from the second input end 122; when the switching structure 130 is at the second position, the second switching part 132 is electrically connected to the second input terminal 122, and the first switching part 131 is disconnected from the first input terminal 121.

Referring to fig. 13, in an embodiment of the invention, the input terminal 120 is connected to the first card slot 150 and the second card slot 160 through wires, respectively.

Referring to fig. 3, the case 110 includes an upper case 113 and a lower case 114, the lower case 114 is mounted at the bottom of the upper case 113, and the first battery pack cavity 111 and the second battery pack cavity 112 are disposed inside the upper case 113. The conductive lines may be integrated on a PCB (Printed Circuit Board) Board, and the PCB Board 180 is fixed in the lower case 114 and located outside the upper case 113. The input terminal 120 may be provided on the PCB board 180.

In one embodiment of the present invention, the connection terminal of the first switching part 131 matches the connection terminal of the first input terminal 121, and the connection terminal of the second switching part 132 matches the connection terminal of the second input terminal 122.

The terminal may be a terminal or a contact. The types or kinds of the connection terminals of the first input terminal 121 and the second input terminal 122 are not limited, and may be the same or different; the type or type of the terminal of the first switch 131 and the second switch 132 is not limited, and may be the same or different.

In order to simplify the manufacturing process, in an embodiment of the invention, the terminal types of the connection terminals of the first input end 121 and the second input end 122 are the same, for example, the connection terminals of the first input end 121 and the second input end 122 are female terminals, and the first switching part 131 and the second switching part 132 are male terminals; or the connection terminals of the first input end 121 and the second input end 122 are male terminals, and the first switching part 131 and the second switching part 132 are female terminals; or the connection terminals of the first input end 121 and the second input end 122 are first contacts, and the first switching portion 131 and the second switching portion 132 are second contacts, the first contacts and the second contacts are matched, and when the switching structure moves to the right position, the first contacts and the second contacts are contacted, so as to realize the electrical connection.

Referring to fig. 9 and 11, in an embodiment of the invention, the system 100 further includes a mounting seat 190, and the mounting seat 190 is used for mounting the switching structure 130. The switching structure 130 includes: a support 133 and a slide bar 134; the supporting body 133 is fixedly connected with the sliding rod 134; the mounting seat 190 is provided with a sliding groove 191, the sliding rod 134 is arranged in the sliding groove 191, and the sliding rod 134 can slide in the sliding groove 191. The first switching portion 131 is provided on one side of the support 133, and the second switching portion 132 is provided on the other side of the support 133.

Referring to fig. 11, in an embodiment of the present invention, the switching structure 130 further includes: the reset piece 135 is arranged on the sliding rod 134, and the reset piece 135 is positioned in the sliding groove 191. The reset member 135 may be a spring, which is sleeved on the outer circumference of the sliding rod 134 and located on one side of the supporting body facing away from the output end.

The initial position of the switching mechanism 130 is the first position. When the switch is used, the sliding rod 134 is pushed, so that the supporting body 133 drives the first switching portion 131 and the second switching portion 132 to move, the second switching portion 132 contacts the second input end 122, and the output end outputs a second voltage. When the pushing force of the sliding rod 134 disappears, the spring returns the switching structure 130 to the first position by the return elastic force, the first switching portion 131 contacts the first input end 121, and the output end outputs the first voltage.

Referring to fig. 1 to 8, the present invention further provides a power supply system, which includes the system 100 of any of the above embodiments and a battery pack 200 installed in the system. For example, a power supply system includes: the battery pack comprises a housing 110, a first battery pack cavity 111, a second battery pack cavity 112, a battery pack 200, an input end 120, a switching structure 130, and an output end 140. The battery pack 200 comprises at least one single-voltage battery pack 210 or at least one double-voltage battery pack 220, the single-voltage battery pack 210 can provide a voltage externally, a single-voltage battery pack terminal 211 is arranged on the single-voltage battery pack 210, the single-voltage battery pack terminal 211 comprises an anode terminal and a cathode terminal, the double-voltage battery pack 220 can provide two voltages externally, a double-voltage battery pack terminal 221 is arranged on the double-voltage battery pack 220, and the double-voltage battery pack terminal comprises two anode terminals and two cathode terminals. The first battery pack cavity 111 is arranged in the shell 110, the first battery pack cavity 111 is provided with a first inserting piece seat 150, the first battery pack cavity 111 is used for accommodating a single-voltage battery pack 210 or a double-voltage battery pack 220, the first inserting piece seat 150 is matched with a single-voltage battery pack terminal 211 or a double-voltage battery pack terminal 221, and the first inserting piece seat 150 is configured to be electrically connected with the single-voltage battery pack terminal 211 or the double-voltage battery pack terminal 221; the second cell pack cavity 112 is arranged in the shell 110, the second cell pack cavity 112 is provided with a second insert seat 160, the second cell pack cavity 112 is used for accommodating the single-voltage cell pack 210 or the double-voltage cell pack 220, the second insert seat 160 is matched with the single-voltage cell pack terminal 211 or the double-voltage cell pack terminal 221, and the second insert seat 160 is configured to be electrically connected with the single-voltage cell pack terminal 211 or the double-voltage cell pack terminal 221; the battery pack 200 is arranged in the first battery pack cavity 111 and/or the second battery pack cavity 112 and is electrically connected with the corresponding plug sheet seat; the input terminal 120 is electrically connected to the first card socket 150 and the second card socket 160; the switching structure 130 is disposed in the housing 110, and is provided with a first switching portion 131 and a second switching portion 132; the output end 140 is electrically connected to the first switching portion 131 and the second switching portion 132, respectively, for outputting energy to the outside; when the switching structure 130 is in the first position, the output terminal 140 outputs a first voltage; when the switching structure 130 is in the second position, the output terminal 140 outputs a second voltage.

Referring to fig. 14 to 16, in an embodiment of the present invention, a battery pack 200 includes: the double-voltage battery pack is internally provided with two battery units. Fig. 14 is a schematic diagram of a circuit after the double-voltage battery pack is inserted.

Referring to fig. 5 and 15, when the switching structure is in the first position, the first switching portion 131 is electrically connected to the first input end 121, and at this time, the terminal 131a is electrically connected to the 1+ terminal through the terminal 121a, the terminal 131b is electrically connected to the 2+ terminal through the terminal 121b, the terminal 131e is electrically connected to the 2-terminal through the terminal 121e, the terminal 131f is electrically connected to the 1-terminal through the terminal 121f, the

terminals

131a and 131b are electrically connected to the positive terminal of the output end respectively, and the

terminals

131e and 131f are electrically connected to the negative terminal of the output end respectively, so that the two battery cells in the dual voltage battery pack are connected in parallel, and the output end 140 outputs a first voltage, i.e., a parallel voltage.

Referring to fig. 5 and 16, when the switching structure 130 is at the second position, the second switching portion 132 is electrically connected to the second input end 122, at this time, the 132a terminal is electrically connected to the 1+ terminal through the 122a terminal, the 132c terminal is electrically connected to the 1-terminal through the 122c terminal, the 132f terminal is electrically connected to the 2+ terminal through the 122f terminal, the 132h terminal is electrically connected to the 2-terminal through the 122h terminal, the 132a terminal is electrically connected to the positive terminal of the output end, the 132c terminal is electrically connected to the 132f terminal, and the 132h terminal is electrically connected to the negative terminal of the output end, so that two battery cells in the dual voltage battery pack are connected in series, and the output end 140 outputs a second voltage, i.e., a series voltage.

Referring to fig. 17 to 19, in an embodiment of the present invention, a battery pack 200 includes: a single-voltage battery pack and a double-voltage battery pack. Fig. 17 is a schematic diagram of the circuit after inserting a single-voltage battery pack and a double-voltage battery pack.

Referring to fig. 5 and 18, when the switching structure 130 is at the first position, the first switching part 131 is electrically connected to the first input terminal 121, and at this time, the 131b terminal is electrically connected to the 2+ terminal through the 121b terminal, the 131c terminal is electrically connected to the 3+ terminal through the 121c terminal, the 131d terminal is electrically connected to the 4+ terminal through the 121d terminal, the 131e terminal is electrically connected to the 2-terminal through the 121e terminal, the 131g terminal is electrically connected to the 4-terminal through the 121g terminal, the 131h terminal is electrically connected to the 3-terminal through the 121h terminal, the 131b terminal, the 131c terminal, and the 131d terminal are electrically connected to each other and to the positive terminal of the output terminal, the 131e terminal, the 131g terminal, and the 131h terminal are electrically connected to each other and to the negative terminal of the output terminal 140, so that two battery cells in the single-compression battery pack and the double-compression battery pack are electrically connected to each other in parallel, the output terminal 140 externally outputs a first voltage, i.e., a parallel voltage.

Referring to fig. 5 and 19, when the switching structure 130 is at the second position, the second switching portion 132 is electrically connected to the second input terminal 122, and at this time, the 132b terminal is electrically connected to the 3+ terminal via the 122b terminal, the 132e terminal is electrically connected to the 3-terminal via the 122e terminal, the 132d terminal is electrically connected to the 4+ terminal via the 122d terminal, the 132g terminal is electrically connected to the 4-terminal via the 122g terminal, the 132f terminal is electrically connected to the 2+ terminal via the 122f terminal, the 132h terminal is electrically connected to the 2-terminal via the 122h terminal, the 132b terminal is electrically connected to the positive terminal of the output terminal 140, the 132d terminal, the 132e terminal, and the 132f terminal are electrically connected, the 132g terminal and the 132h terminal are electrically connected to the negative terminal of the output terminal 140, and thus one cell (the cell electrically connected to the 4+ terminal and the 4-terminal) in the dual-compression pack is connected in parallel, and then connected in series with another cell in the dual voltage battery pack, and the output terminal 140 outputs a second voltage, i.e., a series voltage, to the outside.

Referring to fig. 20 to 22, in an embodiment of the present invention, a battery pack 200 includes: two double-voltage battery packs. Fig. 20 is a schematic diagram of a circuit in which two dual-voltage battery packs are inserted, one of the dual-voltage battery packs including a first battery cell and a second battery cell, and the other dual-voltage battery pack including a third battery cell and a fourth battery cell. The first battery unit is electrically connected with a 1+ terminal and a 1-terminal correspondingly, the second battery unit is electrically connected with a 2+ terminal and a 2-terminal correspondingly, the third battery unit is electrically connected with a 3+ terminal and a 3-terminal correspondingly, and the fourth battery unit is electrically connected with a 4+ terminal and a 4-terminal correspondingly.

Referring to fig. 5 and 21, when the switching structure 130 is at the first position, the first switching portion 131 is electrically connected to the first input end 121, and at this time, the terminal 131a is electrically connected to the 1+ terminal through the terminal 121a, the terminal 131b is electrically connected to the 2+ terminal through the terminal 121b, the terminal 131c is electrically connected to the 3+ terminal through the terminal 121c, the terminal 131d is electrically connected to the 4+ terminal through the terminal 121d, the terminal 131e is electrically connected to the 2-terminal through the terminal 121e, the terminal 131f is electrically connected to the 1-terminal through the terminal 121f, the terminal 131g is electrically connected to the 4-terminal through the terminal 121g, and the terminal 131h is electrically connected to the 3-terminal through the terminal 121 h. The 131a terminal, the 131b terminal, the 131c terminal, and the 131d terminal are electrically connected to the positive terminal of the output terminal 140, respectively; the 131e terminal, 131f terminal, 131g terminal, and 131h terminal are electrically connected to the negative electrode terminal of the output terminal 140. At this time, the first battery cell, the second battery cell, the third battery cell, and the fourth battery cell are connected in parallel with each other, and the output terminal 140 externally outputs a first voltage, i.e., a parallel voltage.

Referring to fig. 5 and 21, when the switching structure 130 is at the second position, the second switching portion 132 is electrically connected to the second input terminal 122, and at this time, the 132a terminal is electrically connected to the 1+ terminal through the 122a terminal, the 132b terminal is electrically connected to the 3+ terminal through the 122b terminal, the 132c terminal is electrically connected to the 1-terminal through the 122c terminal, the 132e terminal is electrically connected to the 3-terminal through the 122e terminal, the 132f terminal is electrically connected to the 2+ terminal through the 122f terminal, the 132d terminal is electrically connected to the 4+ terminal through the 122d terminal, the 132h terminal is electrically connected to the 2-terminal through the 122h terminal, and the 132g terminal is electrically connected to the 4-terminal through the 122g terminal. Meanwhile, the 132a terminal and the 132b terminal are electrically connected to the positive terminal of the output terminal 140, respectively, the 132c terminal, the 132e terminal, the 132f terminal, and the 132d terminal are electrically connected to each other, and the 132g terminal and the 132h terminal are electrically connected to the negative terminal of the output terminal 140, respectively, so that the first battery cell and the third battery cell are connected in parallel to form a first parallel circuit; the second battery unit and the fourth battery unit are connected in parallel to form a second parallel circuit; the two parallel circuits are connected in series, so the output terminal 140 outputs the second voltage, i.e., the series voltage.

Referring to fig. 23 to 25, in an embodiment of the present invention, a battery pack 200 includes: two piezoelectric cell packs. Fig. 23 is a schematic circuit diagram of two single-voltage battery packs inserted therein.

Referring to fig. 5 and 24, when the switching structure 130 is at the first position, the first switching portion 131 is electrically connected to the first input terminal 121, and at this time, the terminal 131a is electrically connected to the 1+ terminal through the terminal 121a, the terminal 131d is electrically connected to the 4+ terminal through the terminal 121d, the terminal 131f is electrically connected to the 1-terminal through the terminal 121f, and the terminal 131g is electrically connected to the 4-terminal through the terminal 121 g. Meanwhile, the 131a terminal and the 131d terminal are electrically connected to the positive terminal of the output terminal, respectively, and the 131f terminal and the 131h terminal are electrically connected to the negative terminal of the output terminal, respectively. Therefore, the two single-voltage battery packs are connected in parallel, and the output end outputs a first voltage, namely a parallel voltage.

Referring to fig. 25, when the switching structure 130 is at the second position, the second switching portion 132 is electrically connected to the second input terminal 122, and at this time, the terminal 132a is electrically connected to the terminal 1+ via the terminal 122a, the terminal 132c is electrically connected to the terminal 1-via the terminal 122c, the terminal 132d is electrically connected to the terminal 4+ via the terminal 122d, and the terminal 132g is electrically connected to the terminal 4-via the terminal 122 g. Meanwhile, the 132a terminal is electrically connected to the positive terminal of the output terminal, the 132c terminal is electrically connected to the 132d terminal, and the 132g terminal is electrically connected to the negative terminal of the output terminal, so that the two cell packs are connected in series and the output terminal outputs the second voltage, i.e., the series voltage.

Referring to fig. 1 to 8, the present invention further provides a power supply system obtained by installing an adapter on the basis of the power supply system in any of the above embodiments, for example, the power supply system includes: a housing 110, a first battery pack cavity 111, a second battery pack cavity 112, a battery pack 200, an input terminal 120, a switching mechanism 130, an output terminal 140, and an adapter 400; the battery pack 200 comprises at least one single-voltage battery pack 210 or at least one double-voltage battery pack 220, the single-voltage battery pack 210 can provide a voltage externally, a single-voltage battery pack terminal 211 is arranged on the single-voltage battery pack 210, the single-voltage battery pack terminal 211 comprises an anode terminal and a cathode terminal, the double-voltage battery pack 220 can provide two voltages externally, a double-voltage battery pack terminal 221 is arranged on the double-voltage battery pack 220, and the double-voltage battery pack terminal 221 comprises two anode terminals and two cathode terminals. The first battery pack cavity 111 is arranged in the shell 110, the first battery pack cavity 111 is provided with a first inserting piece seat 150, the first battery pack cavity 111 is used for accommodating a single-voltage battery pack 210 or a double-voltage battery pack 220, the first inserting piece seat 150 is matched with a single-voltage battery pack terminal 211 or a double-voltage battery pack terminal 221, and the first inserting piece seat 150 is configured to be electrically connected with the single-voltage battery pack terminal 211 or the double-voltage battery pack terminal 221; the second cell pack cavity 112 is arranged in the shell 110, the second cell pack cavity 112 is provided with a second insert seat 160, the second cell pack cavity 112 is used for accommodating the single-voltage cell pack 210 or the double-voltage cell pack 220, the second insert seat 160 is matched with the single-voltage cell pack terminal 211 or the double-voltage cell pack terminal 221, and the second insert seat 160 is configured to be electrically connected with the single-voltage cell pack terminal 211 or the double-voltage cell pack terminal 221; the battery pack 200 is arranged in the first battery pack cavity 111 and/or the second battery pack cavity 112 and is electrically connected with the corresponding plug sheet seat; the input terminal 120 is electrically connected to the first card socket 150 and the second card socket 160; the switching structure 130 is disposed in the housing 110, and is provided with a first switching portion 131 and a second switching portion 132; the output end 140 is electrically connected to the first switching portion 131 and the second switching portion 132, respectively, for outputting energy to the outside; when the switching structure 130 is in the first position, the output terminal 140 outputs a first voltage; when the switching structure 130 is in the second position, the output terminal 140 outputs a second voltage; the power line 300 is configured to be connected with the output terminal 140; an adapter interface is provided on the adapter 400, which is configured to electrically connect to the output 140.

In one embodiment of the present invention, the power supply system further comprises a power cord 300, the power cord 300 being configured to electrically connect the adapter to the output.

Referring to fig. 26, in an embodiment of the invention, the power supply system further includes a plug socket 310, the plug socket 310 is configured to electrically connect to the output end 140; the plug seat 310 is provided with a plug portion 3110 and a push-pull portion 3120, the plug portion 3110 is configured to electrically connect the output terminal 140 with the adapter 400, the plug portion 3110 is provided with a wiring terminal matching the output terminal 140, the push-pull portion 3120 is sleeved on the plug portion 3110, and the push-pull portion 3120 is provided with a push block 3121 for changing the position of the switching mechanism 130; the push-pull portion 3120 is provided with a pressing piece 3122 and a stopper 3123, and the stopper 3123 is provided on the pressing piece 3122.

In an embodiment of the invention, the push-pull portion 3120 can slide on the plug portion 3110, and the limiting member 3123 includes a first limiting member and a second limiting member, which are set parallel to the surface of the pressing member 3122.

Referring to fig. 27, the initial position of the switching structure 130 is a first position, the pressing member 3122 is pressed to align the connection terminals of the plug portion 3110 and the output terminal 140 according to the positive and negative positions, and then the plug portion 3110 and the push-pull portion 3120 are pushed, so that the connection terminals of the plug portion 3110 and the output terminal 140 are electrically connected, and the first limiting member passes through the third limiting member 115 to release the pressing member 3122, so that the first limiting member 3123 and the third limiting member 115 disposed on the housing 110 are engaged with each other, thereby firmly fixing the switching structure 130 at the first position, and the output terminal 140 can stably output the first voltage.

When the second voltage needs to be connected, the pressing piece 3122 is pressed, the push-pull portion 3120 is further pushed, so that the push block 3121 pushes the sliding rod 134 to slide, and when the switching structure 130 moves to the second position, the pressing piece 3122 is released, so that the second limiting member is engaged with the third limiting member 115, so that the switching structure 130 is firmly fixed at the second position, and the output end 140 can stably output the second voltage.

When the output voltage of the output terminal 140 needs to be changed from the second voltage to the first voltage, the pressing member 3122 is pressed to move the push-pull portion 3120 outwards, the sliding rod 134 is moved outwards by the restoring force of the spring, so that the switching mechanism 130 is moved from the second position to the first position, and the output terminal outputs the first voltage.

When the plug socket 310 needs to be pulled out, the pressing portion 3123 is pressed down, so that the first limiting member or the second limiting member is separated from the third limiting member 115, so as to pull out the plug socket 310 smoothly.

Referring to fig. 26, in an embodiment of the present invention, the pressing member 3123 is further provided with a first mark region 3124 and a second mark region 3125, and when the first mark region 3124 is adjacent to the output terminal 140, the output terminal 140 outputs a first voltage, and when the second mark region 3125 is adjacent to the output terminal 140, the output terminal 140 outputs a second voltage. The first identification area 3124 is used to identify a first voltage, for example, a voltage value of the first voltage is identified at the first identification area 3124; the second identification area 3125 is used to identify a second voltage, e.g., the voltage value of the second voltage is identified at the second identification area 3125.

In an embodiment of the invention, the initial position of the switching mechanism 130 is the first position, the pressing member 3122 is pressed to insert the wire socket 310 into the output terminal 140, and the output terminal outputs the first voltage when the second flag region 3124 is adjacent to the output terminal. And continuously pushing the plug wire seat towards the inside of the output end until the second identification area 3125 is adjacent to the output end 140, in the process, the push block pushes the slide rod, so that the support body 133 is pushed to move to the second position, the second circuit is switched on, and the output end 140 outputs a second voltage.

Referring to fig. 26, in an embodiment of the present invention, the pressing member 3122 is a spring plate, and the limiting member includes two limiting protrusions, and the limiting protrusions are matched with the limiting blocks on the housing.

Referring to fig. 1, in one embodiment of the invention, a socket 310 is disposed at an end of a power line 300. The wires inside the power cord 300 are electrically connected to the terminals inside the plug portion 3110, and the plug seat and the end of the power cord can be integrally formed.

Referring to fig. 1 to 7 and 28 to 29, the present invention provides an electric power tool system, which is obtained by adding a first electric power tool 500 and a second electric power tool 600 to the power supply system of any of the above embodiments. For example, the power tool system includes: the battery pack comprises a housing 110, a first battery pack cavity 111, a second battery pack cavity 112, a battery pack 200, an input end 120, a switching structure 130, an output end 140, an adapter 400, a first tool 500, and a second tool 600. The battery pack 200 comprises at least one single-voltage battery pack 210 or at least one double-voltage battery pack 220, the single-voltage battery pack 210 can provide a voltage externally, a single-voltage battery pack terminal 211 is arranged on the single-voltage battery pack 210, the single-voltage battery pack terminal 211 comprises an anode terminal and a cathode terminal, the double-voltage battery pack 220 can provide two voltages externally, a double-voltage battery pack terminal 221 is arranged on the double-voltage battery pack 220, and the double-voltage battery pack terminal 221 comprises two anode terminals and two cathode terminals. The first cell pack cavity 111 is arranged in the shell 110, the first insert seat 150 is arranged on the first cell pack cavity 111, and the first cell pack cavity 111 is used for accommodating a single-voltage cell pack 210 or a double-voltage cell pack 220. First tab holder 150 mates with a single-voltage battery pack terminal 211 or a dual-voltage battery pack terminal 221, and first tab holder 150 is configured to electrically connect to single-voltage battery pack terminal 211 or dual-voltage battery pack terminal 221. The second cell pack cavity 112 is disposed in the housing 110, and is provided with a second tab holder 160, and the second cell pack cavity 112 is used for accommodating the single-voltage cell pack 210 or the dual-voltage cell pack 220. Second tab holder 160 mates with either unimorph cell pack terminal 211 or bimorph cell pack terminal 221, and second tab holder 160 is configured to electrically connect to either unimorph cell pack terminal 211 or bimorph cell pack terminal 221. The battery pack 200 is arranged in the first battery pack cavity and/or the second battery pack cavity and is electrically connected with the corresponding plug sheet seat; the input terminal 120 is electrically connected to the first card socket 150 and the second card socket 160; the switching structure 130 is disposed in the housing 110, and is provided with a first switching portion 131 and a second switching portion 132; the output end 140 is electrically connected to the first switching part 131 and the second switching part 132 respectively; when the switching structure 130 is in the first position, the output terminal 140 outputs a first voltage; when the switching structure 130 is in the second position, the output terminal 140 outputs a second voltage; an adapter interface is arranged on the adapter, and the adapter is configured to be electrically connected with the output end; the first tool is provided with a first tool interface, and when the first tool interface is combined with the adaptive interface, the adapter is electrically connected with the first tool; the second tool is provided with a second tool interface, and when the second tool is combined with the adaptive interface, the adapter is electrically connected with the second tool. An adapter interface is arranged on the adapter 400, and the adapter 400 is configured to be electrically connected with the output end 140; the first tool 500 is provided with a first tool interface, and when the first tool interface is combined with the adapting interface, the adapter 400 is electrically connected with the first tool 500; the second tool 600 is provided with a second tool interface, and when the second tool interface is combined with the adapting interface, the adaptor 400 is electrically connected with the second tool 600. The first tool 500 operates at a different voltage than the second tool 600.

In one embodiment of the present invention, the operating voltage of the first tool 500 is a first voltage, and the operating voltage of the second tool 600 is a second voltage.

In one embodiment of the present invention, the operating voltage of the first tool 500 is the second voltage, and the operating voltage of the second tool 600 is the first voltage.

In the system of the invention, the battery pack cavity is used for installing the battery pack 200, the plug sheet seat is used for being electrically connected with the battery pack 200, and when the positions of the switching structures 130 are different, the output ends 140 can be configured with different output voltages, so that the output ends 140 can be configured with two types of voltages. The system has the advantages of simple structure, convenient realization, easy operation, small occupied space and the like. Meanwhile, the system can provide two different output voltages after being placed into the battery pack 200, so that tools with two different working voltages are met, the application range of the power supply system is enlarged, and the problem that the existing power supply can only output one voltage is effectively solved. Therefore, the invention effectively overcomes some practical problems in the prior art, thereby having high utilization value and use significance.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A system, comprising:

a housing;

the first battery pack cavity is arranged in the shell and is provided with a first insert seat, the first battery pack cavity is suitable for a single-voltage battery pack or a double-voltage battery pack, the single-voltage battery pack can provide a voltage outwards, the single-voltage battery pack is provided with a single-voltage battery pack terminal, the single-voltage battery pack terminal comprises a positive terminal and a negative terminal, the double-voltage battery pack can provide two voltages outwards, the double-voltage battery pack is provided with a double-voltage battery pack terminal, the double-voltage battery pack terminal comprises two positive terminals and two negative terminals, the first insert seat is matched with the single-voltage battery pack terminal or the double-voltage battery pack terminal, and the first insert seat is configured to be electrically connected with the single-voltage battery pack terminal or the double-voltage battery pack terminal;

the second battery pack cavity is arranged in the shell and is provided with a second inserting piece seat, the second battery pack cavity is suitable for a single-voltage battery pack or a double-voltage battery pack, and the second inserting piece seat is configured to be electrically connected with a single-voltage battery pack terminal or a double-voltage battery pack terminal; (ii) a

The input end is respectively and electrically connected with the first inserting sheet seat and the second inserting sheet seat;

the switching structure is arranged in the shell and is provided with a first switching part and a second switching part;

an output end electrically connected to the first switching portion and the second switching portion, respectively, for outputting energy to the outside;

when the switching structure is in the first position, the output end is configured to output a first voltage;

when the switching structure is in the second position, the output terminal is configured to output a second voltage.

2. The system of claim 1, wherein the input comprises a first input and a second input; the first input end is electrically connected with the first inserting sheet seat and the second inserting sheet seat respectively; the second input end is electrically connected with the first inserting sheet seat and the second inserting sheet seat respectively.

3. The system of claim 2, wherein when the switch structure is in a first position, the first switch is electrically connected to the first input and the second switch is electrically disconnected from the second input; when the switching structure is at the second position, the second switching part is electrically connected with the second input end, and the first switching part is disconnected with the first input end.

4. The system of claim 2, wherein the terminal termination of the first switch matches the terminal termination of the first input, and the terminal termination of the second switch matches the terminal termination of the second input.

5. The system of claim 1, wherein the single-voltage battery pack can output a voltage to the outside, and the single-voltage battery pack is provided with single-voltage battery pack terminals, and the single-voltage battery pack terminals comprise a positive terminal and a negative terminal; the dual-voltage battery pack can output two voltages outwards, a dual-voltage battery pack terminal is arranged on the dual-voltage battery pack, and the dual-voltage battery pack terminal comprises two positive terminals and two negative terminals; the first insert seat can be matched with a single-voltage battery pack terminal or a double-voltage battery pack terminal at will; the second insert seat can be matched with a single-voltage battery pack terminal or a double-voltage battery pack terminal at will.

6. The system of claim 1, wherein the switching fabric comprises: a support and a slide bar; the support body is fixedly connected with the sliding rod; the first switching part is arranged on one side of the supporting body, and the second switching part is arranged on the other side of the supporting body.

7. The system of claim 8, wherein the switching fabric further comprises: the reset piece is arranged on the sliding rod.

8. A power supply system, comprising:

a housing;

the battery pack comprises at least one single-voltage battery pack or at least one double-voltage battery pack, wherein a single-voltage battery pack terminal is arranged on the single-voltage battery pack and outputs one voltage outwards, and a double-voltage battery pack terminal is arranged on the double-voltage battery pack and outputs two voltages outwards;

the first battery pack cavity is arranged in the shell and is provided with a first inserting piece seat, the first battery pack cavity is used for accommodating the single-voltage battery pack or the double-voltage battery pack, and the first inserting piece seat is matched with the single-voltage battery pack terminal or the double-voltage battery pack terminal;

the second battery pack cavity is arranged in the shell and is provided with a second inserting piece seat, the second battery pack cavity is used for accommodating the single-voltage battery pack or the double-voltage battery pack, and the second inserting piece seat is matched with the single-voltage battery pack terminal or the double-voltage battery pack terminal;

when the switching structure is at the first position, the output end outputs a first voltage;

when the switching structure is in the second position, the output end outputs a second voltage.

9. The power supply system of claim 8, wherein the battery pack comprises: a dual voltage battery pack.

10. The power supply system of claim 8, wherein the battery pack comprises: two piezoelectric cell packs.

11. The power supply system of claim 8, wherein the battery pack comprises: a single-voltage battery pack and a double-voltage battery pack.

12. The power supply system of claim 8, wherein the battery pack comprises: two double-voltage battery packs.

13. A power tool system, comprising:

a housing;

when the switching structure is at the second position, the output end outputs a second voltage;

an adapter having an adapter interface disposed thereon, the adapter configured to electrically connect to the output;

a first tool having a first tool interface disposed thereon, the adapter being electrically connected to the first tool when the first tool interface is engaged with the adapter interface;

a second tool having a second tool interface disposed thereon, the adapter being electrically connected to the second tool when the second tool interface is engaged with the adapter interface.

14. The power tool system of claim 13, further comprising a wire receptacle configured to connect to the output; the plug wire seat is provided with a plug part and a push-pull part, the push-pull part is sleeved on the plug part, and a push block is arranged in the push-pull part; the push-pull part is provided with a pressing piece and a limiting piece, and the limiting piece is arranged on the pressing piece.

15. The power tool system of claim 14, wherein the socket is disposed at an end of the power cord.

16. The power tool system of claim 15, wherein the pressing element further comprises a first indicator region and a second indicator region.

17. The power tool system of claim 13, wherein the operating voltage of the first tool is the first voltage and the operating voltage of the second tool is the second voltage.