CN211828517U - Electric energy switching device, electric energy storage system, electric tool and system - Google Patents
Electric energy switching device, electric energy storage system, electric tool and system Download PDFInfo
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- CN211828517U CN211828517U CN202020333189.7U CN202020333189U CN211828517U CN 211828517 U CN211828517 U CN 211828517U CN 202020333189 U CN202020333189 U CN 202020333189U CN 211828517 U CN211828517 U CN 211828517U
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Abstract
The utility model provides an electric energy switching module and have this electric energy switching module's instrument and system. The electric energy switching device comprises a plug-in unit used for being connected with a power supply device, an electric energy switching assembly electrically connected with the plug-in unit and a control member used for switching the switching member, wherein the plug-in unit is provided with an output end used for outputting electric energy to the outside, the switching member is adjustably connected with the plug-in unit and can be driven by the control member to rotate and switch the connection form of the plug-in unit in a coupling state. The utility model discloses an electric energy auto-change over device can realize two kinds of voltage switch-over for the electric tool that uses this electric energy auto-change over device's electronic storage electric tool and system make to have this electric energy auto-change over device matches multiple power supply unit that has different output voltage, has effectively increased the application scope of electric energy storage system electric tool system that uses this electric energy auto-change over device, the cost is reduced.
Description
Technical Field
The utility model relates to an electric energy auto-change over device, electric energy storage system, electric tool and system belongs to garden instrument technical field.
Background
In the garden machinery and power tool industries, an electric tool usually has a rated working voltage, that is, tools with different rated voltages need battery packs with different rated voltages to provide power.
In the prior art, voltage regulation structures for double-voltage battery packs are all concentrated on the battery packs, and voltage selection is realized through different external plugs (male plugs), so that the battery packs output different voltages.
In the field of batteries with larger volume or backpack batteries, the tool is not directly inserted into the batteries but is connected with the batteries through a power line, and different voltage outputs are inconvenient to realize through different male plugs.
Therefore, there is a need to provide a new power switching device suitable for switching power, and a tool and a system using the same, so as to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric energy auto-change over device that can realize two kinds of voltage switch and use this electric energy auto-change over device's electronic electric storage electric tool and system.
In order to achieve the above object, the present invention provides an electric energy switching device, including a plug-in unit for connecting a power supply device, and the plug-in unit has an output end for outputting electric energy to the outside, and further includes an electric energy switching assembly electrically connected to the plug-in unit, the electric energy switching assembly includes a control member for connecting different plug-in unit switching members and controlling the switching members, the switching members are connected to the plug-in unit in an adjustable manner, and the switching members are driven by the control member to rotate and switch to be in a coupling state the connection form of the plug-in unit.
As a further improvement of the present invention, the switching member has at least an adjustable first position and a second position, and includes a first switching member connected to the control member and a second switching member connected to the plug-in unit respectively, and the first switching member is driven by the control member to rotate around the axis of the control member to switch the connection form of the plug-in unit in the coupling state.
As a further improvement of the present invention, the first switching member penetrates the control member, and has a connecting portion for connecting the second switching member and a connecting terminal for transmitting electric energy.
As a further improvement of the present invention, the first switching member is provided with a plurality of, the first switching member is provided with 2 kinds of structures for electric connection at least the second switching member, and a plurality of the first switching member is arranged by dislocation.
As a further improvement of the present invention, the second switching means has means for connecting at least two sets of connection terminals of the plug-in and means for fixing the chassis of the connection terminals, one end of the connection terminals directly/indirectly with the plug-in electric connection, and every the connection terminals all run through the chassis and expose in the chassis is close to one side of the control means, with the first switching means electric connection.
As a further improvement of the present invention, the second switching member has two sets, and is disposed along the direction perpendicular to the chassis in a vertically staggered manner.
As a further improvement of the present invention, the control member has a switching button and is connected to the switching button for driving the first switching member to rotate, and the first switching member is disposed in a staggered manner in the triggering portion.
As a further improvement of the present invention, the trigger portion is provided with a limit groove, the second switching member has a limit projection corresponding to the limit groove, the limit groove is matched with the limit projection, so that the switching member can be rotated between the first position and the second position.
To achieve the above object, the present invention provides an electric energy storage system, comprising a first energy unit and a second energy unit with output voltages of nV, and an electric energy switching device for connecting two sets of the energy units, wherein the electric energy switching device comprises a plug-in for electrically connecting the first energy unit and the second energy unit, and an electric energy switching assembly adjustably connected to the plug-in, the electric energy switching assembly comprises a switching member and a control member for controlling the switching member, the switching member is adjustably connected to the plug-in, and can be driven by the control member to rotationally switch a connection form of the plug-in a coupling state, so that the electric energy switching device has a first position and a second position switched by rotation, and the electric energy switching device can switch a series-parallel connection form of the first energy unit and the second energy unit by a change of positions, to output two different voltages.
As a further improvement of the present invention, the first energy unit and the second energy unit each have a positive electrode and a negative electrode for realizing energy output, and the positive electrode and the negative electrode have at least 3 arrangements, and the electric energy switching device has a switching member for switching a positive electrode and a negative electrode coupling form of the first energy unit and the second energy unit.
As a further improvement of the present invention, the switching member has a first position for connecting the first energy unit and the second energy unit in parallel, and when the switching member is located at the first position, the switching member realizes the output of the low voltage of the electric energy storage system by connecting the electrodes of the same polarity in the first energy unit and the second energy unit, respectively.
As a further improvement of the present invention, the switching member has a second position for connecting the first energy unit and the second energy unit in series, and when the switching member is located at the second position, the switching member realizes the output of the high voltage of the electric energy storage system by connecting two electrodes of opposite polarity in the first energy unit and the second energy unit.
In order to achieve the above object, the present invention provides an electric tool, the electric tool uses the aforementioned electric energy switching device, the electric tool passes through the electric energy switching device cooperates with the electric energy storage system so that the output voltage of the electric energy storage system output can be matched with the rated voltage of the electric tool.
In order to achieve the above object, the present invention provides an electric tool system, including electric tool and do electric tool provides the electric energy storage system of electric power, the electric energy storage system is aforementioned electric energy storage system, the electric energy storage system has electric energy switching device, electric energy switching device includes the plug-in components that are used for electric connection energy unit and the electric energy switching components who is connected with plug-in components are adjustable, electric energy switching device includes switching component and is used for control switching component's control component, switching component with plug-in components are adjustable to be connected, just electric energy storage system passes through electric energy switching device with the electric tool cooperation, so that one of two kinds of different output voltage of electric energy storage system output can match electric tool's rated voltage.
The utility model has the advantages that: the electric energy switching device of the utility model is provided with the switching component which can be switched between the first position and the second position and the plug-in which is electrically connected with the switching component, and the electric energy storage system using the electric energy switching device can realize the output of two different voltages by adjusting the coupling form between different plug-ins; meanwhile, the electric tool with the electric energy switching device can be matched with various power supply devices with different output voltages, the application range of an electric energy storage system/an electric tool system using the electric energy switching device is effectively enlarged, and the cost is reduced.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the electric energy storage system of the present invention.
Fig. 2 is a schematic structural diagram of the electric energy storage system in fig. 1, with the electric energy switching device and a part of the cavity omitted.
Fig. 3 is a schematic structural diagram of the electric energy switching apparatus in fig. 1 from another angle.
Fig. 4 is an exploded view of the power switching device shown in fig. 3.
Fig. 5 is a schematic structural diagram of the power switching assembly in fig. 3.
Fig. 6 is a schematic structural diagram of the power switching module and the plug-in unit in fig. 3.
Fig. 7 is an exploded view of the second switching member of fig. 3.
Fig. 8 is a schematic structural view of the second switching member and the plug-in unit in fig. 3.
Fig. 9 is a circuit configuration diagram of the electric energy storage system.
Fig. 10 is a circuit diagram of the electrical energy storage system when the electrical energy switching device is in the first position.
Fig. 11 is a circuit diagram of the electrical energy storage system when the electrical energy switching device is in the second position.
Fig. 12 is a schematic structural diagram of an embodiment of the electrical energy storage system of the present invention without an electrical energy switching device and a part of the cavity.
Fig. 13 is a schematic structural diagram of an electric energy switching device and a part of the cavity in an embodiment of the electric energy storage system of the present invention.
Fig. 14 is a perspective view of the power tool system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not relevant to the present invention are omitted.
In addition, it is also to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1 and fig. 2, an electric energy storage system according to an embodiment of the present invention includes a first energy unit (not numbered), a second energy unit (not numbered), and an electric energy switching device 11 for outputting electric energy.
In the present invention, the voltages of the first energy unit and the second energy unit are both nV, and the first energy unit has a positive electrode 12a and a negative electrode 12b for outputting electric energy; the second energy unit has a positive electrode 13a and a negative electrode 13b for outputting electric energy; further, the electric energy storage system further includes a cavity 14 for accommodating the first energy unit and the second energy unit, the positive electrodes 12a, 13a and the negative electrodes 12b, 13b are accommodated in the cavity 14 and exposed outside the cavity 14 to be inserted into the electric energy switching device 11, and the positive electrodes 12a, 13a and the negative electrodes 12b, 13b have at least 3 arrangements.
Referring to fig. 1 to 7, the power switching device 11 includes a housing 111, a plug 112 accommodated in the housing 111, and a power switching assembly 113 adjustably connected to the plug 112.
Further, the housing 111 is provided with an accommodation space (not numbered) for accommodating the plug 112 and the power switching assembly 113. The plug 112 includes a first plug 1121 and a second plug 1122 for electrically connecting the first energy unit and the second energy unit, and an output end 1123 for outputting electric energy, and the first plug 1121, the second plug 1122, and the output end 1123 are all connected and installed in the accommodating space.
Specifically, each of the first and second inserts 1121, 1122 has a positive terminal (1121a, 1122a) and a negative terminal (1121b, 1122b), the output terminal 1123 has a positive output 1123a and a negative output 1123b, and the output terminal 1123 is connected to the first and second inserts 1121, 1122, respectively, that is, the positive terminal 1121a of the first insert 1121 or the positive terminal 1122a of the second insert 1122 is electrically connected to the positive output 1123a of the output terminal 1123, and the negative terminal 1121b of the first insert 1121 or the negative terminal 1122b of the second insert 1122 is electrically connected to the negative output 1123b of the output terminal 1123, so as to ensure that the power supply device 200 connected to the first and second inserts 1121, 1122 completes the output of electric energy through the output terminal 1123.
In this embodiment, the positive/ negative terminals 1121a, 1122a, 1121b, and 1122b of the first and second inserts 1121, 1122 are male tabs arranged in a sheet shape, and an end of each male tab is located on the same straight line, and two terminals with the same polarity in the first and second inserts 1121, 1122 are arranged side by side; furthermore, the output end 1123 is a female terminal disposed substantially parallel to the first plug-in 1121 and the second plug-in 1122, and the output end 1123 is two sidewalls disposed on the housing 111 different from the first plug-in 1121 and the second plug-in 1122; so as to facilitate the connection of the first plug-in 1121, the second plug-in 1122 and the output terminal 1123.
Of course, in other embodiments of the present invention, the positive terminals 1121a, 1122a and the negative terminals 1121b, 1122b of the first and second inserts 1121, 1122 can be arranged back and forth or up and down, and the like, which are different from the straight line arrangement, and the arrangement shapes of the first and second inserts 1121, 1122 and the output end 1123 can be adjusted according to the specific structure of the electric energy switching component 113; that is, in the present invention, the arrangement and arrangement of the first plug-in 1121, the second plug-in 1122, and the output end 1123 can be selected according to actual needs.
The power switching assembly 113 includes a switching member 114 and a control member 115. The switching means 114 is used for electrically connecting the first and second plugs 1121 and 1122 and can switch the coupling form of the first and second plugs 1121 and 1122. Specifically, switching member 114 is housed in housing 111, and is rotatable within housing 111 and movable between a first position and a second position by control member 115 to further adjust the coupling form of first insert 1121 and second insert 1122.
The switching member 114 includes a first switching member 1141 connected to the control member 115 and a second switching member 1142 electrically connected to the plug-in 112, wherein the first switching member 1141 is driven by the control member 115 to rotate around the axis of the control member 115 to switch the connection mode of the plug-in 112 in the coupling state.
Referring to fig. 3 to 7, the first switching member 1141 penetrates the control member 115 and has a connecting portion (not numbered) for connecting the second switching member 1142 and a transmitting portion (not numbered) for transmitting electric energy. The connection portion is exposed from the lower surface of the control member 115 to be electrically connected with the second switching member 1142; the transmission portion protrudes outward from the upper surface of the control member 115 to be electrically connected to the output terminal 1123, and realizes transmission of electric power.
Further, a plurality of first switching members 1141 are simultaneously disposed, and a plurality of first switching members 1141 are disposed on the control member 115 in a staggered manner, so as to electrically connect different plugs 112 to complete switching of the coupling form of the first plug 1121 and the second plug 1122; in the present invention, the first switching member 1141 has at least 2 structures for electrically connecting the second switching member 1142, in a preferred embodiment of the present invention, the first switching member 1141 has a first switching member 1141a having a connecting portion in an oblong configuration and a first switching member 1141b having a connecting portion in a circular configuration, and an extension height of a transmission portion of the first switching member 1141a is higher than an extension height of a transmission portion of the first switching member 1141b, so that the first switching member 1141a and the extension portion of the first switching member 1141b are disposed in a vertically staggered manner, and output of electric energy is realized through the output terminal 1123.
The second switching member 1142 has a connection terminal 1143 for connecting the plug 112, a chassis 1144 for fixing the connection terminal 1143, and a supporting portion 1145 for supporting the connection terminal 1143 and the chassis 1144, wherein one end of the connection terminal 1143 is electrically connected to the plug 112, and the other end thereof penetrates the chassis 1144 and is exposed on a side of the chassis 1144 close to the first switching member 1141 to be electrically connected to the first switching member 1141.
In this embodiment, the connection terminal 1143 has a first connection terminal 1143a, a second connection terminal 1143b, a third connection terminal 1143c and a fourth connection terminal 1143d which are vertically staggered in a direction perpendicular to the chassis 1144, and 4 connection terminals 1143 are electrically connected to the positive terminal 1121a, the negative terminal 1121b, the positive terminal 1122a and the negative terminal 1122b, respectively; further, each connection terminal 1143 has 2 contacts (not numbered) penetrating through the chassis 1144 and exposed on a side of the chassis 1144 close to the first switching member 1141, and the contacts on different connection terminals 1143 are arranged in a staggered manner.
Further, the supporting portions 1145 are uniformly distributed at the bottom of the chassis 1144, in this embodiment, the chassis 1144 is a circular disc, and the number of the supporting portions 1145 is 6 at the same time, and the supporting portions are uniformly arranged along the circumference of the chassis 1144, so as to support the chassis 1144 and enable the connecting terminal 1143 to be electrically connected with the plug 112.
The control member 115 has a switching button 116 penetrating the housing 111 and a trigger 117 housed in the housing 111; and the triggering portion 117 is connected to the switching button 116 to rotate the switching member 114 connected to the triggering portion 117.
The utility model discloses in, switch button 116 is cylindric setting, triggers portion 117 and switch button 116 integrated into one piece, and first switching member 1141 is connected and is installed on triggering portion 117, and first switching member 1141a and first switching member 1141b dislocation set are on triggering portion 117. In this embodiment, the trigger 117 and the chassis 1144 are both arranged in a circular plate shape, further, the trigger 117 is provided with a limit groove 1171, the chassis 1144 of the second switching member 1142 is provided with a limit protrusion 1146 arranged corresponding to the limit groove 1171, the limit protrusion 1146 is accommodated in the limit groove 1171 and can slide in the limit groove 1171 to limit the moving position and distance of the first switching member 1141, so as to control the first switching member 1141 to switch between the first position and the second position and further ensure the stable connection between the first switching member 1141 and the connection terminal 1143 in the second switching member 1142, further, the trigger 117 is further provided with a clamping portion 1172 fixedly clamped with the housing 111, and the control member 115 is rotatably connected with the housing 111 through the clamping portion 1172 so as to limit the rotating position of the switching button 116.
Further, the control member 115 of the present invention has 3 switching positions, including the first position and the second position for connecting the first plug-in 1121, the second plug-in 1122 and the output end 1123 to realize the power output and the initial position for making each plug-in 112 of the power switching device 11 in the open circuit state.
Specifically, when the power switching device 11 is in the initial position, any one of the first switching members 1141 cannot be connected to different plugs 112 simultaneously, and there is no coupling relationship between the first plug 1121 and the second plug 1122; the first energy unit and the second energy unit are in an open circuit state, and the electric energy storage system has no energy output.
When the electric energy switching device 11 is in the first position, the first switching member 1141 is driven by the trigger 117 to rotate on the chassis 1144, and the positive terminals 1121a and 1122a and the negative terminals 1121b and 1122b are coupled and connected by the connection portion and the connection terminal 1143; referring to fig. 8, 9 and 10, when the electric energy switching device 11 is in the first position, the contacts of the first connection terminal 1143a and the third connection terminal 1143c are electrically connected to the positive terminals 1121a and 1122a through the first switching member 1141a, and the second connection terminal 1143b and the fourth connection terminal 1144d are electrically connected to the negative terminals 1121b and 1122b through the other first switching member 1141a, at this time, the first energy unit and the second energy unit are connected in parallel through the switching member 114, and further realize energy output through the positive output 1123a and the negative output 1123b of the output terminal 1123.
When the electric energy switching device 11 is in the second position, the first switching member 1141 is driven by the trigger 117 to rotate on the chassis 1144, and the positive terminals 1121a and 1122a and the negative terminals 1121b and 1122b are coupled and connected by the connection portion and the connection terminal 1143; referring to fig. 8, 9 and 11, when the electric energy switching device 11 is at the second position, the contact points of the second connection terminal 1143b and the third connection terminal 1143c are electrically connected to the positive terminal 1122a and the negative terminal 1121b through the first switching member 1141 a; the contact of the first connection terminal 1143a is electrically connected to the positive terminal 1121a and the positive output 1123a through the second switching member 1141; the contact of the fourth connection terminal 1143d is electrically connected to the negative terminal 1122b and the negative output 1123b through the second switching member 1141, and at this time, the first energy unit and the second energy unit are connected in series through the switching member 114, and further output of energy is realized through the output terminal 1123.
Fig. 12 is a schematic structural diagram of an electric energy storage system according to a second embodiment of the present invention. In the present embodiment, the electrical energy storage system has substantially the same structure as the electrical energy storage system described above, and the difference is only that: the positive electrodes 12a ', 13 a' and the negative electrodes 12b ', 13 b' in the first energy unit and the second energy unit are arranged up and down.
Fig. 13 is a schematic structural diagram of an electric energy storage system according to a third embodiment of the present invention. The electric energy storage system in the present embodiment is different from the foregoing electric energy storage system only in that: the positive electrodes 12a ", 13 a" and the negative electrodes 12b ", 13 b" in the first energy unit and the second energy unit are arranged in front and back along the plugging direction of the electric energy switching device 11 and the energy units, and the negative electrodes 12b ", 13 b" are parallel to the positive electrodes 12a ", 13 a" of the 1 st energy unit.
Further, in the second embodiment and the third embodiment, the arrangement form of the plug-in 112 in the electric energy switching device 11 may be adjusted according to the arrangement form of the positive electrode and the negative electrode in the first energy unit and the second energy unit, and it is only required to ensure that the first energy unit and the second energy unit are connected in parallel when the electric energy switching device 11 is in the first position, and the first energy unit and the second energy unit are connected in series when the electric energy switching device 11 is in the second position, that is, the arrangement form of the plug-in 112 in the electric energy switching device 11 may be adjusted according to actual situations, which is not limited herein.
The utility model also provides an electric tool (not shown). The electric power tool includes a tool body and an electric power switching device 11 for electrically connecting the tool body and the power supply device.
The utility model discloses in, the instrument main part has the grafting portion that is used for connecting electric energy switching device 11, and grafting portion has two opposite connection pieces of polarity, and two opposite connection pieces of polarity correspond with the same anodal output 1123a of polarity and negative pole output 1123b respectively in the output 1123 of electric energy switching device 11 and are connected to guarantee operating voltage's normal input.
The utility model discloses in, electric tool's rated voltage is nV, then this electric tool accessible electric energy auto-change over device 11 connects the power supply unit of difference that has the energy unit that output voltage is n/2V or nV.
Specifically, the power tool may be connected to a dual voltage power supply device or a single voltage power supply device having two energy cells with an output voltage of n/2V, and in the present embodiment, each energy cell with an output voltage of n/2V has two output electrodes with opposite polarities.
Further, when the electric power tool is electrically connected to the dual voltage power supply/single voltage power supply through the electric power switching device 11, the electric power switching device 11 is electrically connected to the output electrodes of the two energy units with output voltage of n/2V through the positive terminal 1121a and the negative terminal 1121b of the first plug 1121 and the positive terminal 1122a and the negative terminal 1122b of the second plug 1122, respectively, and at this time, the switching member 114 can be controlled by the switching button 116 to move to the second position, so that the negative terminal 1121b of the first plug 1121 is electrically connected to the positive terminal 1122a of the second plug 1122 through the switching member 114; the two energy units with the output voltage of n/2V are controlled to be connected in series, the voltage output by the double-voltage power supply device or the single-voltage power supply device is nV, the rated voltage of the tool main body is met, and the normal operation of the electric tool is ensured.
The power tool can also be connected with a double-voltage power supply device or a single-voltage power supply device which has two energy units with the output voltage nV, and each energy unit with the output voltage nV has two output electrodes with opposite polarities.
Specifically, when the electric power tool is electrically connected to the dual voltage power supply/single voltage power supply through the electric power switching device 11, the switching member 114 is controlled by the switching button 116 to move to the first position, and at this time, the positive terminal 1121a of the first plug 1121 is electrically connected to the positive terminal 1122a of the second plug 1122, and the negative terminal 1121b of the first plug 1121 is electrically connected to the negative terminal 1122b of the second plug 1122 through the switching member 114; and furthermore, two energy units with the output voltage of nV are connected in parallel, the voltage output by the double-voltage power supply device or the single-voltage power supply device is controlled to be nV, the rated voltage of the tool main body is met, and the normal operation of the electric tool is ensured. The power tool can also be connected to a single-voltage supply with an energy cell having an output voltage nV and two output electrodes of opposite polarity.
Specifically, when the power tool is electrically connected to the single voltage power supply device through the power switching device 11, the switching button 116 controls the switching member 114 to move to the second position, and at this time, the positive terminal 1122a of the second plug-in 1122 is electrically connected to the negative terminal 1121b of the first plug-in 1121 through the switching member 114; further, the electric energy switching device 11 is electrically connected to the output electrode of the energy unit with the output voltage of nV through two terminals of the first plug-in component 1121 and the second plug-in component 1122, such as the positive terminal 1122a of the second plug-in component 1122 and the negative terminal 1121b of the first plug-in component 1121, which have opposite polarities and are arranged side by side and close to each other, and outputs the voltage of nV, so as to satisfy the rated voltage of the tool body and ensure the normal operation of the electric tool.
Referring to fig. 14, in order to provide the present invention, the electric tool system 20 includes an electric energy storage system and an electric tool 201, wherein the electric tool 201 is used for executing corresponding work tasks, and the electric energy storage system is used for providing corresponding electric power for the electric tool 201, so as to ensure the normal operation of the electric tool system 20.
In the present invention, the power tool 201 has a plug 202 for connecting an electric energy storage system, and in the present invention, the power tool 201 may be a low voltage power tool for receiving a low voltage input; or a high voltage electric tool for receiving a high voltage input.
Further, the electric energy storage system accomplishes output voltage's switching through the electric energy auto-change over device 11 that sets up above that to make electric tool system 20 can match low pressure electric tool or high pressure electric tool, the effectual promotion the utility model discloses electric tool system 20's practicality.
It should be noted that, in the process of explaining the structure of the electric tool and the electric tool system 20 in the present specification, the electric energy switching device 11 includes both the electric energy switching device 11 and the electric energy switching device 12 as described above, and also includes an electric energy switching device that does not depart from the spirit and scope of the present invention, that is, for convenience of description, the electric energy switching device 11 is merely taken as an example to illustrate the structure of the electric tool and the electric tool system 20, but should not be taken as a limitation.
To sum up, the electric energy switching device 11 of the present invention can realize the output of two different voltages by adjusting the coupling form between different plug-in units through the switching member 114 capable of switching between the first position and the second position and the plug-in unit 112 electrically connected to the switching member 114; meanwhile, the electric tool with the electric energy switching device 11 can be matched with various power supply devices with different output voltages, the application range of an electric energy storage system/an electric tool system using the electric energy switching device 11 is effectively enlarged, and the cost is reduced.
The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.
Claims (14)
1. An electric energy switching device, includes the plug-in components that are used for connecting power supply unit, just the plug-in components have to the external output that carries out electric energy output, its characterized in that: the power switching assembly comprises a plug-in switching component and a control component, the plug-in switching component is used for being connected with different plug-in switching components, the control component is used for controlling the switching component, the switching component is connected with the plug-in an adjustable mode, and the connection form of the plug-in a coupling state can be switched in a rotating mode under the driving of the control component.
2. The electrical energy switching apparatus of claim 1, wherein: the switching member at least has a first position and a second position which can be adjusted, and comprises a first switching member connected with the control member and second switching members respectively connected with the plug-in units, wherein the first switching member can rotate by taking the axis of the control member as an axis under the driving of the control member so as to switch the connection form of the plug-in units in a coupling state.
3. The electrical energy switching apparatus of claim 2, wherein: the first switching member penetrates the control member, and has a connecting portion for connecting the second switching member and a connection terminal for transmitting electric energy.
4. The electrical energy switching apparatus of claim 3, wherein: the first switching member is provided with a plurality of structures simultaneously, the first switching member is provided with at least 2 structures for electrically connecting the second switching member, and the first switching members are arranged in a staggered manner.
5. The electrical energy switching apparatus of claim 2, wherein: the second switching member is provided with at least two groups of connecting terminals for connecting the plug-in unit and a chassis for fixing the connecting terminals, one ends of the connecting terminals are directly/indirectly electrically connected with the plug-in unit, and each connecting terminal penetrates through the chassis and is exposed on one side, close to the control member, of the chassis so as to be electrically connected with the first switching member.
6. The electrical energy switching apparatus of claim 5, wherein: the second switching components are provided with two groups and are arranged in a vertically staggered mode in the direction perpendicular to the chassis.
7. The electrical energy switching apparatus of claim 2, wherein: the control component is provided with a switching button and a triggering part which is connected to the switching button and used for driving the first switching component to rotate, and the first switching component is arranged on the triggering part in a staggered mode.
8. The electrical energy switching apparatus of claim 7, wherein: the trigger part is provided with a limiting groove, the second switching component is provided with a limiting bulge which is correspondingly arranged with the limiting groove, and the limiting groove is matched with the limiting bulge so that the switching component can rotate between a first position and a second position.
9. An electrical energy storage system comprising a first energy unit and a second energy unit having output voltages of nV, characterized in that: the electric energy switching device comprises a switching member and a control member for controlling the switching member, the switching member is adjustably connected with the plug-in and can be driven by the control member to rotationally switch the connection form of the plug-in a coupling state, so that the electric energy switching device has a first position and a second position which are switched through rotation, and the electric energy switching device can switch the series-parallel connection form of the first energy unit and the second energy unit through the change of the positions so as to output two different voltages.
10. An electrical energy storage system according to claim 9, wherein: the first energy unit and the second energy unit are provided with a positive electrode and a negative electrode which are used for realizing energy output, the positive electrode and the negative electrode are at least provided with 3 arrangements, and the electric energy switching device is provided with a switching member which is used for switching the positive electrode coupling form and the negative electrode coupling form of the first energy unit and the second energy unit.
11. An electrical energy storage system according to claim 10, wherein: the switching member has a first position for connecting the first energy unit and the second energy unit in parallel, and when the switching member is located at the first position, the switching member realizes the output of the low voltage of the electric energy storage system by respectively connecting the electrodes with the same polarity in the first energy unit and the second energy unit.
12. An electrical energy storage system according to claim 10, wherein: the switching member has a second position for connecting the first energy unit and the second energy unit in series, and when the switching member is in the second position, the switching member enables output of a high voltage of an electrical energy storage system by connecting two electrodes of the first energy unit and the second energy unit, which have opposite polarities.
13. An electric power tool characterized in that: the electric tool uses the electric energy switching device of any one of claims 1 to 8, and the electric tool is matched with an electric energy storage system through the electric energy switching device so that the output voltage output by the electric energy storage system can be matched with the rated voltage of the electric tool.
14. A power tool system comprising a power tool and an electrical energy storage system for providing power to the power tool, characterized in that: the electrical energy storage system is the electrical energy storage system as claimed in any one of claims 9 to 13, the electrical energy storage system has an electrical energy switching device, the electrical energy switching device includes a plug-in for electrically connecting an energy unit and an electrical energy switching assembly adjustably connected to the plug-in, the electrical energy switching device includes a switching member and a control member for controlling the switching member, the switching member is adjustably connected to the plug-in, and the electrical energy storage system cooperates with the electric tool through the electrical energy switching device, so that one of two different output voltages output by the electrical energy storage system can match a rated voltage of the electric tool.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020333189.7U CN211828517U (en) | 2020-03-17 | 2020-03-17 | Electric energy switching device, electric energy storage system, electric tool and system |
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| CN202020333189.7U CN211828517U (en) | 2020-03-17 | 2020-03-17 | Electric energy switching device, electric energy storage system, electric tool and system |
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| CN211828517U true CN211828517U (en) | 2020-10-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111933837A (en) * | 2020-03-17 | 2020-11-13 | 格力博(江苏)股份有限公司 | Electric energy switching assembly and tool and system with same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111933837A (en) * | 2020-03-17 | 2020-11-13 | 格力博(江苏)股份有限公司 | Electric energy switching assembly and tool and system with same |
| CN111933837B (en) * | 2020-03-17 | 2023-09-22 | 格力博(江苏)股份有限公司 | Electric energy switching assembly, and tool and system with same |
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