CN114336846A

CN114336846A - System, power supply system and electric tool system

Info

Publication number: CN114336846A
Application number: CN202111639387.1A
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: 2022-04-12
Anticipated expiration: 2041-12-29
Also published as: CN114336846B

Abstract

The utility model provides a system, a power supply system and an electric tool system, wherein the system comprises: the battery pack comprises a shell, a terminal part, an input end, an output end and a switching structure, wherein the terminal part is arranged on the shell and matched with the battery pack; the input end is electrically connected with the terminal part; the switching structure is arranged in the shell and is electrically connected with the output end; the output end is 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. The utility model is used for improving the problem that only one output voltage is provided due to the unique connection circuit between the prior battery packs.

Description

System, power supply system and electric tool system

Technical Field

The utility model relates to the field of power supply 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, the internal circuit connection relationship of the existing battery pack is fixed, that is, the series 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 to improve the problem of having only one output voltage due to the unique connection circuit between the existing battery packs.

To achieve the above and other related objects, the present invention provides a system comprising: the battery pack comprises a shell, a terminal part, an input end, an output end and a switching structure, wherein the terminal part is arranged on the shell and matched with the battery pack; the input end is electrically connected with the terminal part; the output end is used for outputting energy to the outside; the switching structure is arranged in the shell and is electrically connected with the output end; 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 utility model, the system further comprises a harness, the housing being mounted on the harness.

In one embodiment of the present invention, the housing is provided with a first battery pack cavity, a second battery pack cavity and a third battery pack cavity; the terminal portion includes: the first insert seat, the second insert seat and the third insert seat; the first insert seat is arranged in the first battery pack cavity; the second insert seat is arranged in the second battery pack cavity; the third insert seat is arranged in the third battery pack cavity; the input end is electrically connected with the first insert seat, the second insert seat and the third insert seat respectively.

In one embodiment of the present invention, the input terminal includes a first input terminal and a second input terminal; the switching structure comprises a first switching part and a second switching part; when the switching structure is at a first position, the first switching part is electrically connected with the first input end, the second switching part is disconnected with the second input end, and the output end is configured to output a first voltage; when the switching structure is at the second position, the second switching part is electrically connected with the second input end, the first switching part is disconnected with the first input end, and the output end is configured to output a second voltage.

In one embodiment of the present invention, the single-voltage battery pack can output a voltage to the outside, and the single-voltage battery pack is provided with a single-voltage battery pack terminal, which includes 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 is matched with the single-voltage battery pack terminal, the second insert seat is matched with the single-voltage battery pack terminal, and the third insert seat is matched with the double-voltage battery pack terminal.

In an embodiment of the present invention, the first card slot is electrically connected to the first input terminal, the first card slot is electrically connected to the second input terminal, the second card slot is electrically connected to the first input terminal, the second card slot is electrically connected to the second input terminal, the third card slot is electrically connected to the first input terminal, and the third card slot is electrically connected to the second input terminal.

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 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 terminal part, a battery pack, an input end, an output end and a switching structure; the terminal part is arranged on the shell; the battery pack is arranged in the shell and is electrically connected with the terminal part; the input end is electrically connected with the terminal part; the output end is used for outputting energy to the outside; the switching structure is arranged in the shell and is electrically connected with the output end; 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, the voltage pack includes: two piezoelectric cell packs.

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

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

The present invention also provides a power tool system comprising: the device comprises a shell, a terminal part, a battery pack, an input end, an output end, a switching structure, an adapter, a first tool and a second tool; the terminal part is arranged on the shell; the battery pack is arranged in the shell and is electrically connected with the terminal part; the input end is electrically connected with the terminal part; the output end is used for outputting energy to the outside; the switching structure is arranged in the shell and is electrically connected with the output end; 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 the adapter is electrically connected with the first tool when the first tool interface is combined with the adaptive interface; the second tool is provided with a second tool interface, and the adapter is electrically connected with the second tool when the second tool interface is combined with the adaptive interface; the first tool and the second tool have different operating voltages.

In one embodiment of the present invention, the power tool system further includes a power cord configured to electrically connect the adapter to the output.

In an embodiment of the present invention, the electric tool system further includes a plug wire holder, the plug wire holder is provided with a plug portion and a push-pull portion, and the plug portion is configured to electrically connect the output end with the adapter; the push-pull part is sleeved on the plug-pull part, and a push block which changes the position of the switching structure 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.

According to the system, the shell is used for mounting the battery pack, the terminal part is used for being electrically connected with the battery pack, and when the positions of the switching structures are different, the voltages which can be configured and output by the output end are also different, so that the output end can be configured and output two voltages. The system has the advantages of simple structure, convenient realization, easy operation 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 front view of the system of the present invention;

FIG. 4 is a top view of the system of the present invention;

fig. 5 is a schematic structural view of a terminal portion according to 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 a schematic view of a second wafer stage according to the present invention;

FIG. 10 is an assembly view of the switch structure and the mounting base of the present invention;

FIG. 11 is a top view of the switch structure and the mounting base of the present invention;

FIG. 12 is an exploded view of the switch structure and mounting base of the present invention;

FIG. 13 is an exploded view of the switching architecture of the present invention;

FIG. 14 is a schematic diagram of the connection circuit of the present invention;

fig. 15 is a schematic circuit diagram of the battery pack in two single-voltage battery packs;

FIG. 16 is a schematic diagram of the circuit of FIG. 15 outputting a first voltage;

FIG. 17 is a schematic diagram of the circuit of FIG. 15 outputting a second voltage;

fig. 18 is a schematic circuit diagram of a battery pack in a dual voltage battery pack;

FIG. 19 is a schematic diagram of the circuit of FIG. 18 outputting a first voltage;

FIG. 20 is a schematic diagram of the circuit of FIG. 18 outputting a second voltage;

fig. 21 is a schematic circuit diagram of a single-voltage battery pack and a double-voltage battery pack;

FIG. 22 is a schematic diagram of the circuit of FIG. 21 outputting a first voltage;

FIG. 23 is a schematic diagram of the circuit of FIG. 21 outputting a second voltage;

fig. 24 is a schematic circuit diagram of the battery pack including two single-voltage battery packs and one double-voltage battery pack;

FIG. 25 is a schematic diagram of the circuit of FIG. 24 outputting a first voltage;

FIG. 26 is a schematic diagram of the circuit of FIG. 24 outputting a second voltage;

FIG. 27 is a schematic view of the structure of the socket of the present invention;

FIG. 28 is a schematic view of the wire receptacle and the housing of the present invention;

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

FIG. 30 is a schematic view of the harness and a second 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. a third battery pack cavity; 114. an upper housing; 115. a lower housing; 116. a third limiting member; 120. a terminal portion; 1210. a first insert seat; 1211. a first terminal; 1212. a second terminal; 1220. a second insert seat; 1230. a third insert seat; 1231. a third terminal; 1232. a fourth terminal; 130. an input end; 131. a first input terminal; 132. a second input terminal; 140. an output end; 150. a switching structure; 151. a first switching section; 152. a second switching unit; 153. a support body; 154. a slide bar; 155. a reset member; 160. a PCB board; 170. a wire; 180. a mounting seat 181 and a chute; 190. a harness; 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 utility model 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 utility model, and that changes or modifications in the relative relationship may be made without substantial technical changes and modifications.

Referring to fig. 1 to 3, the present invention provides a system 100, wherein the system 100 includes: the battery pack comprises a shell 110, a terminal part 120, an input end 130, an output end 140 and a switching structure 150, wherein the terminal part 120 is arranged on the shell 110 and matched with the battery pack; the input end 130 is electrically connected to the terminal portion 120; the switching structure 150 is disposed in the housing 110 and electrically connected to the output end 140; the switching mechanism 150 may be located in a first position or a second position; when the switching mechanism 150 is in the first position, the output end 140 may 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 casing 100; when the switching mechanism 150 is in the second position, the output end 140 may be configured to output a second voltage, that is, the output end outputs the second voltage after the battery pack 200 is installed in the housing 110; the first voltage is different from the second voltage. The system 100 may also include a back strap 190, with the housing 110 being removably mounted to the back strap 190. The user carries the system 100 by carrying the harness.

Referring to fig. 4 to 5, in an embodiment of the present invention, a first battery pack cavity 111, a second battery pack cavity 112 and a third battery pack cavity 113 are disposed on a housing 110; the terminal portion 120 includes: a first insert seat 1210, a second insert seat 1220 and a third insert seat 1230; the first tab seat 1210 is disposed in the first battery pack cavity 111; the second tab seat 1220 is disposed in the second battery pack cavity 112; the third insert seat 1230 is disposed in the third battery pack cavity 113; the input terminal 130 is electrically connected to the first card socket 1210, the second card socket 1220 and the third card socket 1230, respectively.

Referring to fig. 6 to 7, in an embodiment of the present invention, the first battery pack cavity 111 is used for installing a single-voltage battery pack 210; the second battery pack cavity 112 is used for mounting a single-voltage battery pack 210; the third cell pack chamber 113 is used to mount a dual compression cell pack 220. Wherein, single-pressure battery package 210 is the battery package that can only externally output a kind of voltage, is provided with single-pressure battery package terminal 211 on the single-pressure battery package 210, and single-pressure battery package terminal 211 includes: a positive terminal and a negative terminal. The dual-voltage battery pack 220 is a battery pack capable of providing two output voltages externally, a dual-voltage battery pack terminal 221 is arranged on the dual-voltage battery pack 220, and the dual-voltage battery pack terminal comprises two positive terminals and two negative terminals.

Referring to fig. 8 to 9, in an embodiment of the present invention, a first tab holder 1210 is matched with the unimorph package terminal 211, a second tab holder 1220 is matched with the unimorph package terminal 211, and a third tab holder 1230 is matched with the bimorph package terminal 221. Referring to fig. 5 to 6, the first card holder 1210 and the second card holder 1220 have the same structure, and two first terminals 1211 and two second terminals 1212 are disposed thereon, the first terminals 1211 and the second terminals 1212 are electrically connected, the first terminals 1211 and the single-cell battery pack terminals 211 are matched, and the second terminals 1212 are electrically connected to the input terminal 130. The third tab holder 1230 is provided with four third terminals 1231 and four fourth terminals 1232, the third terminals 1231 are electrically connected to the fourth terminals 1232, the third terminals 1231 are matched with the terminals of the dual-voltage battery pack, and the fourth terminals 1232 are electrically connected to the input terminal 130.

Referring to fig. 10 to 11, in an embodiment of the utility model, the input terminal 130 includes a first input terminal 131 and a second input terminal 132; the switching structure 150 includes a first switching unit 151 and a second switching unit 152; when the switching structure 150 is at the first position, the first switching part 151 is electrically connected to the first input terminal 131, the second switching part 152 is disconnected from the second input terminal 132, and the output terminal 140 is configured to output the first voltage; when the switching structure 150 is at the second position, the second switching part 152 is electrically connected to the second input end 132, the first switching part 151 is disconnected from the first input end 131, and the output end 140 is configured to output the second voltage.

Referring to fig. 11 to 13, the first switch 151 is composed of a plurality of connection terminals, and the number of the connection terminals is the same as that of the connection terminals of the first input terminal 131. The second switching unit 152 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 132.

The number of the connection terminals of the first input terminal 131 is the sum of the number of the second terminal 1212 and the fourth terminal 1232. The number of terminal ends of the second input terminal 132 is the sum of the number of terminals of the second terminal 1212 and the fourth terminal 1232. For example, the first card holder 1210 has two second terminals 1212, the second card holder 1220 has two second terminals 1212, and the third card holder 1230 has four fourth terminals 1232, so that the number of terminals of the first input terminal 131 is 8, and the number of terminals of the second input terminal 131 is 8. Therefore, the first switching unit 151 includes eight terminal blocks, and the second switching unit 151 includes eight switching terminals.

Referring to fig. 5 and 11, in an embodiment of the utility model, two second terminals 1212 of the first card slot 1210 are respectively labeled as: 1+,1-, the two second terminals 1212 of the second wafer holder 1220 are labeled: 2+, 2-; the four fourth terminals 1232 of the third insert seat 1230 are labeled as: 3+,4+,4-,3-. Eight terminals of the first input 131 are respectively labeled 131a, 131b, 131c, 131d, 131e, 131f, 131g, 131 h; the 131a terminal, the 131b terminal, the 131c terminal, and the 131d 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 131a terminal is electrically connected to the 1+ terminal, the 131b terminal is electrically connected to the 3+ terminal, the 131c terminal is electrically connected to the 4+ terminal, and the 131d terminal is electrically connected to the 2+ terminal. The 131e terminal, 131f terminal, 131g terminal, and 131h terminal are electrically connected to the 1-terminal, 2-terminal, 3-terminal, and 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 131e terminal is electrically connected to the 1-terminal, and the 131f terminal is electrically connected to the 4-terminal; the 131g terminal is electrically connected with the 3-terminal; the 131h terminal is electrically connected to the 2-terminal.

Referring to fig. 11, eight terminals of the second input terminal 132 are respectively labeled as 132a, 132b, 132c, 132d, 132e, 132f, 132g, 132 h. The 132a terminal, the 132b terminal, the 132c terminal, the 132d terminal, the 132e terminal, the 132f terminal, the 132g terminal, and the 132h terminal are electrically connected to the 1+ terminal, the 3+ terminal, the 1-terminal, the 4+ terminal, the 3-terminal, the 2+ terminal, the 4-terminal, and the 2-terminal in a one-to-one correspondence, which may be any implementable embodiment that can achieve the technical effects and achieve the objectives of the present invention. In one embodiment of the present invention, the 132a terminal is electrically connected to the 1+ terminal, the 132b terminal is electrically connected to the 3+ terminal, the 132c terminal is electrically connected to the 1-terminal, the 132d terminal is electrically connected to the 4+ terminal, the 132e terminal is electrically connected to the 3-terminal, the 132f terminal is electrically connected to the 2+ terminal, the 132g terminal is electrically connected to the 4-terminal, and the 132h terminal is electrically connected to the 2-terminal.

Referring to fig. 11 to 13, eight connection terminals of the first switching part 151 are respectively labeled as 151a, 151b, 151c, 151d, 151e, 151f, 151g, and 151 h; the 151a terminal configuration is electrically connected to the 131a terminal, the 151b terminal configuration is electrically connected to the 131b terminal, the 151c terminal configuration is electrically connected to the 131c terminal, the 151d terminal configuration is electrically connected to the 131d terminal, the 151e terminal configuration is electrically connected to the 131e terminal, the 151f terminal configuration is electrically connected to the 131f terminal, the 151g terminal configuration is electrically connected to the 131g terminal, and the 151h terminal configuration is electrically connected to the 131h terminal. The eight connection terminals of the first switching portion 151 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. In one embodiment of the present invention, the 151a terminal, the 151b terminal, the 151c terminal, and the 151d terminal are electrically connected to each other and to the positive terminal of the output terminal 140; the 151e, 151f, 151g, and 151h terminals are electrically connected to each other and to the negative terminal of the output terminal 140.

Referring to fig. 11 to 13, eight connection terminals of the second switch 152 are respectively labeled as 152a, 152b, 152c, 152d, 152e, 152f, 152g, and 152 h; the 152a terminal configuration is electrically connected with the 132a terminal, the 152b terminal configuration is electrically connected with the 132b terminal, the 152c terminal configuration is electrically connected with the 132c terminal, the 152d terminal configuration is electrically connected with the 132d terminal, the 152e terminal configuration is electrically connected with the 132e terminal, the 152f terminal configuration is electrically connected with the 132f terminal, the 152g terminal configuration is electrically connected with the 132g terminal, and the 152h terminal configuration is electrically connected with the 132h terminal. The eight connection terminals of the second switching portion 152 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 152a terminal is electrically connected to the 152b terminal and to the positive terminal of the output terminal, the 152c terminal, the 152d terminal, the 152e terminal, and the 152f terminal, and the 152g terminal is electrically connected to the 152h terminal and to the negative terminal of the output terminal.

For convenience of processing, the

terminals

151a, 151b, 151c, and 151d in the first switching portion 151 may be integrally formed and made of a conductive material. The

terminals

151e, 151f, 151g, and 151h in the first switching portion 151 are integrally formed and made of a conductive material. The second switch 152 may have an integrally formed structure of the 152a terminal and the 152b terminal, an integrally formed structure of the 152c terminal, the 152d terminal, the 152e terminal, and the 152f terminal, and an integrally formed structure of the 152g terminal and the 152h terminal, which are made of conductive material.

It should be noted that the marks of the terminals in the above embodiments are only for clarity of description, and are not intended to be limiting.

Referring to fig. 5 and 14, in an embodiment of the utility model, the first card holder 1210 and the first input end 131, the first card holder 1210 and the second input end 132, the second card holder 1220 and the first input end 131, the second card holder 1220 and the second input end 132, the third card holder 1230 and the first input end 131, and the third card holder 1230 and the second input end 132 are electrically connected through a wire 170.

Referring to fig. 2 to 4, the housing 110 includes an upper housing 114 and a lower housing 115, the lower housing 115 is mounted at the bottom of the upper housing 114, and the first, second and third

battery pack cavities

111, 112 and 113 are disposed inside the upper housing 114. The conductive wires 170 may be integrated on a PCB (Printed Circuit Board) Board, and the PCB Board 160 is fixed in the lower case 115 and located outside the upper case 114.

In one embodiment of the present invention, the connection terminal of the first switching unit 151 matches the connection terminal of the first input terminal 131, and the connection terminal of the second switching unit 152 matches the connection terminal of the second input terminal 132. The terminal may be a terminal or a contact. The type or kind of the connection terminals of the first input terminal 131 and the second input terminal 132 are not limited, and may be the same or different; the type or type of the terminal of the first switch 151 and the second switch 152 is not limited, and may be the same or different.

In order to simplify the manufacturing process, in one embodiment of the present invention, the terminal types of the connection terminals of the first input end 131 and the second input end 132 are the same, for example, the connection terminals of the first input end 131 and the second input end 132 are female terminals, and the first switch 151 and the second switch 152 are male terminals; or the connection terminals of the first input terminal 131 and the second input terminal 132 are male terminals, and the first switching part 151 and the second switching part 152 are female terminals; alternatively, the connection terminal of the first input terminal 131 and the connection terminal of the second input terminal 132 are first contacts, and the connection terminal of the first switch 151 and the connection terminal of the second switch 152 are second contacts, and the first contacts and the second contacts are matched.

Referring to fig. 10 and 12, in an embodiment of the utility model, the system 100 further includes a mounting base 180, and the switching structure 150 is disposed in the mounting base 180. The switching structure 150 includes: a support 153 and a slide bar 154; the mounting seat 180 is provided with a sliding groove 181, the sliding rod 154 is arranged in the sliding groove 181, the sliding rod 154 can slide in the sliding groove 181, and the support body 153 is fixedly connected with the sliding rod 154; the first switching unit 151 is provided on one side of the support 153, and the second switching unit 152 is provided on the other side of the support 153. The mount 180 is fixed in the lower case 115 or on the PCB 160.

Referring to fig. 10 to 12, in an embodiment of the present invention, the switching structure 150 further includes: the reset piece 155 is arranged on the sliding rod 154, and the reset piece 155 is positioned in the sliding groove 181. The reset member 155 may be a spring sleeved on the outer circumference of the sliding rod and located on one side of the supporting body departing from the output end.

In one embodiment of the present invention, the initial position of the switching mechanism 150 is the first position. When the switch is used, the sliding rod 154 is pushed, so that the supporting body 153 drives the first switching portion 151 and the second switching portion 152 to move, the second switching portion 152 contacts the second input end 132, and the output end outputs a second voltage. When the pushing force of the sliding rod 154 is removed, the spring returns the switching mechanism 150 to the first position by means of the return elastic force, and the first switching portion 151 contacts the first input terminal 131, so that the output terminal is configured to output the first voltage.

Referring to fig. 2, 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 shell 110, a terminal part 120, a battery pack 200, an input end 130, an output end 140 and a switching structure 150, wherein the terminal part 120 is arranged on the shell 110; the battery pack 200 is mounted in the case 100 and electrically connected to the terminal part 120; the input end 130 is electrically connected to the terminal portion 120; the output end 140 is used for outputting energy to the outside; the switching structure 150 is disposed in the housing 110 and electrically connected to the output end 140; the switching structure 150 can be located at a first position and a second position; when the switching structure 150 is in the first position, the output terminal 140 outputs a first voltage; when the switching structure 150 is in the second position, the output terminal 140 outputs a second voltage; the first voltage is different from the second voltage.

Referring to fig. 3, fig. 6, fig. 7, and 15 to fig. 17, in an embodiment of the present invention, a battery pack 200 includes: two single-voltage battery packs 210. The positive and negative terminals of the pack terminals 211 of the two packs 210 are connected to the 1+ terminal, the 2+ terminal, the 1-terminal, and the 2-terminal in a one-to-one correspondence. Fig. 15 is a schematic circuit diagram of two single-voltage battery packs inserted therein.

Referring to fig. 16, when the switching structure 150 is at the first position, the first switching portion 151 is electrically connected to the first input terminal 131, and at this time, the terminal 151a is electrically connected to the 1+ terminal through the terminal 131a, the terminal 151d is electrically connected to the 2+ terminal through the terminal 131d, the terminal 151e is electrically connected to the 1-terminal through the terminal 131e, and the terminal 151h is electrically connected to the 2-terminal through the terminal 131 h. Meanwhile, the 151a terminal and the 151d terminal are electrically connected to a positive terminal of the output terminal, respectively, and the 151e terminal and the 151h terminal are electrically connected to a negative terminal of the output terminal, respectively, so that the two cell packs are connected in parallel, and the output terminal outputs a first voltage, i.e., a parallel voltage.

Referring to fig. 17, when the switching structure 150 is in the second position, the second switching portion 152 is electrically connected to the second input end 132, and at this time, the terminal 152a is electrically connected to the 1+ terminal via the terminal 132a, the terminal 152c is electrically connected to the 1-terminal via the terminal 132c, the terminal 152f is electrically connected to the 2+ terminal via the terminal 132f, the terminal 152h is electrically connected to the 2-terminal via the terminal 132h, and at the same time, the terminal 152c is electrically connected to the terminal 152f, the terminal 152a is electrically connected to the positive terminal of the output end, and the terminal 152h is electrically connected to the negative terminal of the output end, so that the two single-voltage cells are connected in series, and the output end outputs the second voltage, i.e., the series voltage.

Referring to fig. 3, 6, 7, and 18 to 20, in an embodiment of the present invention, a battery pack 200 includes: a dual voltage battery pack 220. The two positive terminals and the two negative terminals of the dual voltage battery pack terminal 221 are connected with the 3+ terminal, the 4+ terminal, the 3-terminal, and the 4-terminal in a one-to-one correspondence. Fig. 18 is a schematic diagram of a circuit after the double-voltage battery pack is inserted.

Referring to fig. 11 to 13 and fig. 19, when the switching structure 150 is at the first position, the first switching structure 151 is electrically connected to the first input terminal 131. At this time, the 151b terminal is electrically connected to the 3+ terminal via the 131b terminal, the 151c terminal is electrically connected to the 4+ terminal via the 131c terminal, the 151g terminal is electrically connected to the 3-terminal via the 131g terminal, and the 151f terminal is electrically connected to the 4-terminal via the 131f terminal, and at the same time, the 151b terminal and the 151c terminal are electrically connected to the positive terminal of the output terminal, and the 151g terminal and the 151f terminal are electrically connected to the negative terminal of the output terminal, respectively.

Referring to fig. 11 to 13 and fig. 20, when the switching structure 150 is at the second position, the second switching portion 152 is electrically connected to the second input end 132. At this time, the 152b terminal is electrically connected to the 3+ terminal via the 132b terminal, the 152e terminal is electrically connected to the 3-terminal via the 132e terminal, the 152d terminal is electrically connected to the 4+ terminal via the 132d terminal, and the 152g terminal is electrically connected to the 4-terminal via the 132g terminal. Meanwhile, the 152b terminal is electrically connected to the positive terminal of the output terminal, the 152e terminal is electrically connected to the 152d terminal, and the 152g terminal is electrically connected to the negative terminal of the output terminal. Therefore, the two battery cells in the dual voltage battery pack are connected in series, and the output end outputs a second voltage, namely a series voltage.

Referring to fig. 3, fig. 5 to 7, and fig. 21 to 23, in an embodiment of the present invention, a battery pack 200 includes: a single-voltage battery pack 210 and a dual-voltage battery pack 220, wherein the single-voltage battery pack 210 is mounted on the first tab holder 1210 or the second tab holder 1220, and the dual-voltage battery pack 220 is mounted on the third tab holder 1230. Taking the example of the single-voltage battery pack 210 being mounted on the second tab seat 1220, the positive terminal of the single-voltage battery pack terminal 211 is connected to the 2+ terminal, the negative terminal of the single-voltage battery pack terminal 211 is connected to the 2-terminal, and the two positive terminals and the two negative terminals of the dual-voltage battery pack terminal 221 are connected to the 3+ terminal, the 4+ terminal, the 3-terminal, and the 4-terminal in a one-to-one correspondence. Fig. 21 is a schematic diagram of a circuit in which one single-voltage battery pack and one double-voltage battery pack are inserted.

Referring to fig. 11 to 13 and 22, when the switching structure 150 is in the first position, the first switching portion 151 is electrically connected to the first input terminal 131, the first switching portion 151 is electrically connected to the 3+ terminal via the 131b terminal, the 151b terminal is electrically connected to the 4+ terminal via the 131c terminal, the 151d terminal is electrically connected to the 2+ terminal via the 131d terminal, the 151g terminal is electrically connected to the 3-terminal via the 131g terminal, the 151f terminal is electrically connected to the 4-terminal via the 131f terminal, the 151h terminal is electrically connected to the 2-terminal via the 131h terminal, the 151b terminal, the 151c terminal, the 151d terminal are electrically connected to the positive terminal of the output terminal, the 151f terminal, the 151g terminal, and the 151h terminal are electrically connected to the negative terminal of the output terminal, and thus, two battery cells in the single-piezoelectric cell pack and the dual-voltage battery pack are connected in parallel with each other, the first voltage, i.e., the parallel voltage, is output.

Referring to fig. 11 to 13 and fig. 23, when the switching structure 150 is at the second position, the second switching portion 152 is electrically connected to the second input end 132. At this time, the 152b terminal is electrically connected to the 3+ terminal via the 132b terminal, the 152e terminal is electrically connected to the 3-terminal via the 132e terminal, the 152d terminal is electrically connected to the 4+ terminal via the 132d terminal, the 152g terminal is electrically connected to the 4-terminal via the 132g terminal, the 152f terminal is electrically connected to the 2+ terminal via the 132f terminal, and the 152h terminal is electrically connected to the 2-terminal via the 132h terminal. Meanwhile, the 152b terminal is electrically connected to the positive terminal of the output terminal, the 152e terminal, the 152d terminal, and the 152f terminal are electrically connected, and the 152g terminal and the 152h terminal are electrically connected to the negative terminal of the output terminal, respectively. Therefore, one of the two battery cells in the dual voltage battery pack (the battery cell electrically connected to the 4+ terminal and the 4-terminal) is connected in parallel with the single voltage battery pack and then connected in series with the other battery cell, and the output terminal outputs a second voltage, i.e., a series voltage.

Referring to fig. 3, fig. 6, fig. 7, and fig. 24 to fig. 26, in an embodiment of the present invention, a battery pack 200 includes: two single-voltage battery packs 210 and one dual-voltage battery pack 220, wherein the two single-voltage battery packs 210 are a first single-voltage battery pack and a second single-voltage battery pack, respectively. The two battery cells in the dual voltage battery pack 220 are a first battery cell and a second battery cell, respectively. The positive terminal and the negative terminal of the single-voltage battery pack terminal of the first single-voltage battery pack are electrically connected with the 1+ terminal and the 1-terminal in a one-to-one correspondence mode. And the positive terminal and the negative terminal of the single-voltage battery pack terminal of the second single-voltage battery pack are electrically connected with the 2+ terminal and the 2-terminal in a one-to-one correspondence manner. The positive terminal and the negative terminal of the double-voltage battery pack terminal are electrically connected with the 3+ terminal, the 4+ terminal, the 3-terminal and the 4-terminal in a one-to-one correspondence mode. For example, the positive terminal and the negative terminal of the first battery unit are correspondingly connected with a 3+ terminal and a 3-terminal; the positive terminal and the negative terminal of the second battery unit are electrically connected with the 4+ terminal and the 4-terminal correspondingly. Fig. 24 is a schematic circuit diagram of two single-voltage battery packs and one double-voltage battery pack inserted therein.

Referring to fig. 11 to 13 and fig. 25, when the switching structure 150 is in the first position, the first switching portion 151 is electrically connected to the first input terminal 131, and at this time, the terminal 151a is electrically connected to the 1+ terminal via the terminal 131a, the terminal 151b is electrically connected to the 3+ terminal via the terminal 131b, the terminal 151c is electrically connected to the 4+ terminal via the terminal 131c, the terminal 151d is electrically connected to the 2+ terminal via the terminal 131d, the terminal 151e is electrically connected to the 1-terminal via the terminal 131e, the terminal 151f is electrically connected to the 4-terminal via the terminal 131f, the terminal 151g is electrically connected to the 3-terminal via the terminal 131g, and the terminal 151h is electrically connected to the 2-terminal via the terminal 131 h. Meanwhile, the 151a terminal, the 151b terminal, the 151c terminal, and the 151d terminal are electrically connected to a positive terminal of the output terminal, respectively, and the 151e terminal, the 151f terminal, the 151g terminal, and the 151h terminal are electrically connected to a negative terminal of the output terminal, respectively, so that the first pack, the second pack, the first cell, and the second cell are connected in parallel with each other, and the output terminal outputs a first voltage, i.e., a parallel voltage.

Referring to fig. 11 to 13 and fig. 26, when the switching structure 150 is at the second position, the second switching portion 152 is electrically connected to the second input end 132. At this time, the 152a terminal is electrically connected to the 1+ terminal via the 132a terminal, the 152c terminal is electrically connected to the 1-terminal via the 132c terminal, the 152f terminal is electrically connected to the 2+ terminal via the 132f terminal, the 152h terminal is electrically connected to the 2-terminal via the 132h terminal, the 152b terminal is electrically connected to the 3+ terminal via the 132b terminal, the 152e terminal is electrically connected to the 3-terminal via the 132e terminal, the 152d terminal is electrically connected to the 4+ terminal via the 132d terminal, and the 152g terminal is electrically connected to the 4-terminal via the 132g terminal. Meanwhile, the 152a terminal and the 152b terminal are electrically connected to a positive terminal of the output terminal, respectively, the 152c terminal, the 152d terminal, the 152e terminal, and the 152f terminal are electrically connected to each other, and the 152g terminal and the 152h terminal are electrically connected to a negative terminal of the output terminal, respectively. Thus, the first cell pack is connected in parallel with the first battery unit, named first parallel circuit; the second single-voltage battery pack is connected with the second battery unit in parallel and named as a second parallel circuit, the first parallel circuit and the second parallel circuit are connected in series, and the output end outputs a second voltage, namely the series voltage.

Referring to fig. 1 and fig. 2, 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: the battery pack comprises a shell 110, a terminal part 120, a battery pack 200, an input end 130, an output end 140, a switching structure 150 and an adapter 400. Wherein, the terminal portion 120 is disposed on the housing 110; the battery pack 200 is mounted in the case 100 and electrically connected to the terminal part 120; the input end 130 is electrically connected to the terminal portion 120; the output end is used for outputting energy to the outside; the switching structure 150 is disposed in the housing 110 and electrically connected to the output end 140; the switching structure 150 can be located at a first position and a second position; when the switching mechanism 150 is in the first position, the output end 140 may 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 150 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 adapter 400 is configured to be electrically connected to the output end 140, and the adapter 400 is provided with an adapter interface configured to be electrically connected to the power tool.

Referring to fig. 2, in one embodiment of the present invention, the power tool system further includes a power cord 300, the power cord 300 being configured to electrically connect the adapter 400 to the output terminal. The power cord 300 may be a separate wire from the adapter 400 or may be a wire disposed on the adapter 400.

Referring to fig. 27, in an embodiment of the present invention, the power supply system further includes a plug socket 310, the plug socket 310 is configured to be connected 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 150; 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.

Referring to fig. 27, in an embodiment of the utility model, the push-pull portion 3120 can slide on the push-pull portion 3110, the limiting member 3123 includes a first limiting member and a second limiting member, and the first limiting member and the second limiting member are parallel to each other and are set on a surface of the pressing member 3122.

Referring to fig. 27 and 28, the initial position of the switching structure 150 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 to electrically connect the connection terminals of the plug portion 3110 and the connection terminals of the output terminal 140, and the first limiting member passes through the third limiting member 116 to release the pressing member 3122, so that the first limiting member 3123 and the third limiting member 116 disposed on the housing 110 are engaged with each other, thereby firmly fixing the switching structure 150 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 154 to slide, and when the switching structure 150 moves to the second position, the pressing piece 3122 is released, so that the second limiting piece is engaged with the third limiting piece 116, so that the switching structure 150 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 154 moves outwards under the restoring force of the spring, so that the switching mechanism 150 moves 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 116, so as to pull out the plug socket 310 smoothly.

Referring to fig. 27, 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.

Referring to fig. 27 and 28, in an embodiment of the present invention, the pressing member 3122 is a spring plate, the first limiting member or the second limiting member is a limiting protrusion, the third limiting member is a limiting block, and the limiting protrusion is matched with the limiting block.

Referring to fig. 1, in an embodiment of the utility model, a socket 310 is a portion of a power line 300, and the socket 310 is disposed at an end of the power line 300. The wires inside the power cord 300 are electrically connected to the terminals inside the inserting and extracting portion 3110, and the inserting and extracting portion 3110 may be integrally formed with the end portion of the power cord 300.

Referring to fig. 1, 2, 29 and 30, the present invention further 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 in any of the above embodiments. For example, the power tool system includes: the battery pack comprises a shell 110, a terminal part 120, a battery pack 200, an input end 130, an output end 140, a switching structure 150, an adapter 400, a first tool 500 and a second tool 600; wherein, the terminal portion 120 is disposed on the housing 110; the battery pack 200 is installed in the housing 100 and electrically connected to the terminal portion 120, and the battery pack can provide two voltages to the outside; the input end 130 is electrically connected to the terminal portion 120; the switching structure 150 is disposed in the housing 110 and electrically connected to the output end 140; the switching structure 150 can be located at a first position and a second position; when the switching mechanism 150 is in the first position, the output end 140 may be configured to output a first voltage, that is, the output end 140 outputs the first voltage after the battery pack 200 is installed in the housing 110; when the switching mechanism 150 is in the second position, the output end 140 may be configured to output a second voltage, that is, the output end outputs the second voltage after the battery pack 200 is installed in the housing 110; the first voltage is different from the second voltage. 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 the adapter 400 is electrically connected with the first tool 500 when the first tool interface is combined with the adapting interface; a second tool interface is arranged on the second tool 600, and the adapter 400 is electrically connected with the second tool 600 when the second tool interface is combined with the adaptive interface; 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 the system of the present invention, the housing 110 is used for mounting the battery pack, the terminal portion 120 is used for electrically connecting with the battery pack 200, and when the positions of the switching structures 150 are different, the voltages that can be configured and output by the output end 140 are also different, so that the output end 140 can be configured and output two voltages. The system has the advantages of simple structure, convenient realization, easy operation 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. The utility model 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 utility model. 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 terminal part is arranged on the shell and matched with the battery pack;

the input end is electrically connected with the terminal part;

an output terminal for outputting energy to the outside;

the switching structure is arranged in the shell and is electrically connected with the output end;

when the switching structure is in a 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 housing has a first battery pack cavity, a second battery pack cavity, and a third battery pack cavity; the terminal portion includes: the first insert seat, the second insert seat and the third insert seat; the first insert seat is arranged in the first battery pack cavity; the second insert seat is arranged in the second battery pack cavity; the third insert seat is arranged in the third battery pack cavity; the input end is respectively electrically connected with the first inserting sheet seat, the second inserting sheet seat and the third inserting sheet seat.

3. The system of claim 2, wherein the input comprises a first input and a second input; the switching structure comprises a first switching part and a second switching part; when the switching structure is at a first position, the first switching part is electrically connected with the first input end, and the second switching part is disconnected with the second input end; 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 3, wherein the single-voltage battery pack can output a voltage externally, 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 is matched with the single-voltage battery pack terminal, the second insert seat is matched with the single-voltage battery pack terminal, and the third insert seat is matched with the double-voltage battery pack terminal.

5. The system of claim 3, wherein the first wafer holder is electrically connected to the first input, the first wafer holder is electrically connected to the second input, the second wafer holder is electrically connected to the first input, the second wafer holder is electrically connected to the second input, the third wafer holder is electrically connected to the first input, and the third wafer holder is electrically connected to the second input.

6. The system of claim 3, 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.

7. The system of claim 3, wherein the switching mechanism 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.

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

9. The system of claim 1, further comprising a harness, wherein the housing is mounted to the harness.

10. A power supply system, comprising:

a housing having a terminal portion provided thereon;

the battery pack is arranged in the shell and is electrically connected with the terminal part;

the input end is electrically connected with the terminal part;

an output terminal for outputting energy to the outside;

when the switching structure is at a 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.

11. The power supply system of claim 10, wherein the battery pack comprises: a dual voltage battery pack.

12. The power supply system according to claim 10 or 11, wherein the battery pack includes: two piezoelectric cell packs.

13. The power supply system of claim 10, wherein the battery pack comprises: a single-voltage battery pack and a double-voltage battery pack.

14. A power tool system, comprising:

a housing having a terminal portion provided thereon;

the input end is electrically connected with the terminal part;

an output terminal for outputting energy to the outside;

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

the adapter is provided with an adaptive interface and is configured to be electrically connected with the output end;

the first tool is provided with a first tool interface, and the adapter is electrically connected with the first tool when the first tool interface is combined with the adaptive 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 mating interface;

the first tool and the second tool have different operating voltages.

15. The power tool system of claim 14, further comprising a socket, wherein the socket is configured with a plug portion and a push-pull portion, the plug portion configured to electrically connect the output to the adapter; the push-pull part is sleeved on the plugging part, and a push block for changing the position of the switching structure 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.

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 14, wherein the operating voltage of the first tool is the first voltage and the operating voltage of the second tool is the second voltage.