SUMMERY OF THE UTILITY MODEL
The utility model provides a problem be among the prior art electrical apparatus not cut off power supply for a small part of electronic component is in long-term circular telegram operating condition and leads to easy ageing life-span to reduce, and the problem of consumption electric energy.
In order to solve the problem, the utility model provides a socket, including casing, binding post, socket terminal and switching on/off brake subassembly.
Binding post with the socket terminal install respectively in the casing, just binding post is used for the connecting power line, the socket terminal is used for connecting external electrical apparatus.
The switching-on and switching-off assembly comprises a driving device, a transmission assembly and a knife switch assembly.
The driving device is arranged in the shell.
The transmission assembly is movably mounted on the shell and is in transmission connection with the driving device.
The knife switch assembly is movably mounted on the shell and connected with the transmission assembly, the transmission assembly can drive the knife switch assembly to move relative to the shell, and the knife switch assembly can be selectively switched on so that the wiring terminal and the socket terminal can be electrically connected through the knife switch assembly, or can be selectively switched off so that the wiring terminal and the socket terminal can be disconnected.
The socket that provides in this application can close a floodgate in suitable time through closing the separating brake subassembly, and then makes the use that electrical apparatus can be normal such as air conditioner. Or when the preset condition is met, the power-off of the socket is realized through the opening of the opening and closing assembly, so that the problems that in the prior art, the power of an electric appliance is not cut off for a long time, a small number of electronic elements are in a long-term power-on working state, the aging life is easy to reduce, and the electric energy is consumed can be solved.
Optionally, the transmission assembly includes a transmission member and a sliding member, the transmission member is in transmission connection with the driving device, the sliding member is in sliding connection with the housing and in transmission connection with the transmission member, the sliding member is connected to the knife assembly, and the transmission member can drive the sliding member to slide along a straight line to drive the knife assembly to move.
Optionally, the slider includes slide bar and bracing piece, slide bar sliding connection in the casing and with the driving medium transmission is connected, the one end of bracing piece connect in the slide bar, the other end connect in the plug-in strip subassembly, the slide bar can be relative the casing slides along the straight line, and drives the bracing piece removes in order to drive the plug-in strip subassembly removes.
Optionally, the slider still includes the slider, slider swing joint in the tip of bracing piece, just the slider with plug-in strip subassembly sliding fit, the bracing piece can be along rectilinear movement in order to drive the slider is relative the plug-in strip subassembly slides and drives the plug-in strip subassembly and removes.
Optionally, the transmission assembly further comprises a bearing rod, the bearing rod is connected with the housing, the transmission member is a transmission gear, and the transmission gear is rotatably connected to the bearing rod and is in transmission connection with the driving device.
Optionally, the blade assembly includes a first blade and a second blade electrically connected to each other, the first blade and the second blade are both in transmission connection with the transmission assembly, the transmission assembly is configured to drive the first blade and the second blade, one end of the first blade is rotatably connected to the housing, and the other end of the first blade is selectively connected to the connection terminal, one end of the second blade is rotatably connected to the housing, and the other end of the second blade is selectively connected to the socket terminal.
Optionally, the switching-on/off assembly further includes a conductive seat, the conductive seat is installed inside the housing, one end of the first switch blade is rotatably connected to one end of the conductive seat, and one end of the second switch blade is rotatably connected to the other end of the conductive seat.
Optionally, the switching assembly further includes a first switching-on column and a second switching-off column, the first switching-on column is disposed near the connection terminal and electrically connected to the connection terminal, and the first blade is selectively connected to the first switching-on column or separated from the first switching-on column;
the second closing column is arranged close to the socket terminal and is electrically connected with the socket terminal, and the second knife switch is selectively connected with the second closing column or separated from the second closing column.
Optionally, the wiring terminal includes live wire terminal, zero line terminal and ground wire terminal, the socket terminal includes live wire socket terminal, zero line socket terminal and ground wire socket terminal.
The casing includes shell and first baffle, first baffle set up in inside and inciting somebody to action of shell the inside first cavity and the second cavity that divide into of shell, the live wire terminal the live wire socket terminal zero line socket terminal with zero line terminal all sets up first cavity, ground wire terminal sets up the second cavity, zero line terminal with zero line socket terminal electricity is connected, ground wire terminal with ground wire socket terminal electricity is connected.
The switching-on and switching-off assembly is arranged in the first cavity and selectively conducts or disconnects the live wire terminal and the live wire socket terminal.
Optionally, the casing further includes a second partition plate, and the second partition plate is disposed in the first cavity and encloses a third cavity together with the first partition plate.
The socket further comprises a power supply assembly, the driving device is electrically connected with the power supply assembly, the power supply assembly is used for providing electric energy for the driving device, and the power supply assembly is arranged inside the third cavity.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
Referring to fig. 1, the present embodiment provides a socket 10, where the socket 10 can be opened and closed automatically, so as to achieve the purpose of automatically powering off an electrical appliance without manually plugging and unplugging the socket 10. When bringing convenient life, avoid the electric shock danger that the plug operation brought. That is, the socket 10 provided in this embodiment can solve the problem that the electrical appliance is not powered off for a long time in the prior art, so that a small number of electronic components are in a long-term power-on working state, which leads to a reduction in the lifetime of the electrical appliance, and consumes electric energy.
It should be noted that the socket 10 provided in the present embodiment may be used for connecting an air conditioner, a dehumidifier, or other electric equipment. In the present embodiment, the socket 10 is described as an example of an air conditioner.
Referring to fig. 1 and fig. 2, the socket 10 includes a housing 100, a connecting terminal 200, a socket terminal 300, and a switching assembly 400. The connection terminal 200 and the socket terminal 300 are both disposed inside the housing 100, and the connection terminal 200 is used for connecting a power line, and the socket terminal 300 is used for connecting an electrical appliance. The opening and closing assembly 400 is disposed inside the housing 100, and the opening and closing assembly 400 can be selectively closed to electrically connect the connection terminal 200 and the socket terminal 300 or opened to disconnect the connection terminal 200 and the socket terminal 300. When the switching-on/off assembly 400 is in a switching-on state, the air conditioner can be connected with the socket terminal 300 to achieve the purpose of electrifying the air conditioner. When the switching-on/off assembly 400 is in the switching-off state, the power-off setting of the air conditioner is realized, at the moment, the power-off of the air conditioner can be completed without plugging or unplugging a power plug of the air conditioner, and the problems that in the prior art, the power of an electric appliance is not cut off for a long time, so that a small part of electronic elements are in a long-term power-on working state, the ageing life is easy to be shortened, and the electric energy is consumed are solved.
Further, the opening and closing assembly 400 includes a driving device 410, a transmission assembly 420 and a knife assembly 430. Wherein the driving device 410 is installed inside the casing 100, and the driving device 410 is connected to the transmission assembly 420 to transmit kinetic energy to the transmission assembly 420. The transmission assembly 420 is used for transmitting the kinetic energy output by the driving device 410, and the transmission assembly 420 is connected to the knife assembly 430, that is, the transmission assembly 420 can transmit the kinetic energy to the knife assembly 430, so as to drive the knife assembly 430 to move. The knife assembly 430 is movably connected to the housing 100, so that the knife assembly 430 can move relative to the housing 100 when receiving kinetic energy and can be selectively switched on or switched off.
Wherein, kinetic energy is output to the transmission assembly 420 through the driving device 410, and the transmission assembly 420 transmits the kinetic energy to the knife assembly 430, so that the knife assembly 430 can move relative to the housing 100, thereby realizing the selective closing and opening of the knife. It should be noted that, in this embodiment, the socket 10 may further include a controller 510, the controller 510 is electrically connected to the driving device 410, and the controller 510 can control the driving device 410 to output kinetic energy according to a preset condition, so as to realize an automatic opening and closing function of the opening and closing assembly 400, and further realize an automatic power off of the electrical appliance, without manually plugging and unplugging the socket 10. When bringing convenient life, avoid the electric shock danger that the plug operation brought. That is, the socket 10 provided in this embodiment can solve the problem that the electrical appliance is not powered off for a long time in the prior art, so that a small number of electronic components are in a long-term power-on working state, which leads to a reduction in the lifetime of the electrical appliance, and consumes electric energy. The preset condition may be a shutdown time of the air conditioner, or an input voltage at the connection terminal 200.
The controller 510 may be an integrated circuit chip having signal processing capabilities. The controller 510 may be a general-purpose processor, and may include a Central Processing Unit (CPU), a single chip Microcomputer (MCU), a Micro Controller Unit (MCU), a Complex Programmable Logic Device (CPLD), a Field Programmable Gate Array (FPGA), an Application Specific Integrated Circuit (ASIC), an embedded ARM, and other chips, where the controller 510 may implement or execute the methods, steps, and logic blocks disclosed in the embodiments of the present invention.
In a possible implementation manner, the air conditioner may further include a memory for storing program instructions executable by the controller 510, for example, the air conditioner control device provided in the embodiment of the present application, which includes at least one program that may be stored in the memory in the form of software or firmware. The Memory may be a stand-alone external Memory, including but not limited to Random Access Memory (RAM), Read Only Memory (ROM), Programmable Read-Only Memory (PROM), Erasable Read-Only Memory (EPROM), electrically Erasable Read-Only Memory (EEPROM). The memory may also be integrated with the controller 510, for example, the memory may be integrated with the controller 510 on the same chip.
Optionally, drive assembly 420 includes a drive member 421 and a slide 422. The transmission member 421 is in transmission connection with the driving device 410, so that the kinetic energy output by the driving device 410 can be output through the transmission member 421. The sliding member 422 is slidably connected to the casing 100 and can linearly reciprocate relative to the casing 100, and meanwhile, the sliding member 422 is in transmission connection with the transmission member 421, so that the transmission member 421 can transmit kinetic energy to the sliding member 422 to drive the sliding member 422 to move relative to the casing 100. In addition, the slider 422 is further connected to the blade assembly 430, such that the slider 422 can move the blade assembly 430 relative to the housing 100 when performing a linear reciprocating motion relative to the housing 100, thereby implementing selective closing and opening of the blade assembly 430.
In the present embodiment, the transmission member 421 is a transmission gear, and the transmission gear is in transmission connection with the driving device 410 and in transmission connection with the sliding member 422, so as to transmit the kinetic energy to the sliding member 422. In addition, the transmission assembly 420 may further include a bearing rod 4211, the bearing rod 4211 is connected with the housing 100, and the transmission gear is rotatably connected to the bearing rod 4211, so that a bearing effect can be provided to the transmission gear through the bearing rod 4211, and stability of the transmission gear in transferring kinetic energy is ensured. In this embodiment, one end of the bearing rod 4211 is connected to the housing 100, and the other end of the bearing rod 4211 extends towards the space between the connection terminal 200 and the socket terminal 300, so that the free end of the bearing rod 4211 can be approximately located in the middle of the space where the connection terminal 200 is located, and therefore when the transmission gear transmits kinetic energy to the slider 422, the slider 422 has enough sliding space in the inner space of the housing 100, and thus the knife assembly 430 can be driven to complete closing or opening.
Optionally, in this embodiment, the socket 10 further includes a support seat 4212, the support seat 4212 is mounted on the housing 100, and the bearing rod 4211 is fixedly connected to the support seat 4212, so as to provide a bearing function for the bearing rod 4211. It should be understood that in other embodiments, the support seat 4212 may be eliminated, such that the bearing rod 4211 is directly connected to the housing 100.
The sliding member 422 includes a sliding rod 4221 and a supporting rod 4222, wherein the sliding rod 4221 is slidably connected to the casing 100 and is in transmission connection with the transmission member 421, so that the kinetic energy output by the transmission member 421 can be transmitted to the sliding rod 4221, and further the sliding rod 4221 is driven to perform linear motion relative to the casing 100. One end of the support rod 4222 is connected to the sliding rod 4221, and the other end is connected to the knife switch assembly 430, so that the sliding rod 4221 can drive the support rod 4222 to move linearly when moving linearly relative to the housing 100, and at the same time, the support rod 4222 can drive the knife switch assembly 430 to move relative to the housing 100, so as to implement switching on and off through the knife switch assembly 430. In this embodiment, a rack adapted to the transmission gear is disposed on the sliding rod 4221, so that the transmission gear transmits kinetic energy to the sliding rod 4221.
In addition, in this embodiment, a fixed block for the sliding rod 4221 to slide is further disposed inside the casing 100, and the sliding rod 4221 and the fixed block can be slidably connected through a sliding rail and a sliding groove 4311, which is not described herein again.
Alternatively, in the present embodiment, one end of the support rod 4222 is connected to one of the ends of the slide rod 4221, and the support rod 4222 and the slide rod 4221 together form an L-shape. And the support rod 4222 is positioned at one end of the sliding rod 4221 close to the support seat 4212, so that the space between the support rod 4222 and the knife switch assembly 430 can be enlarged, and the support rod 4222 and the knife switch assembly 430 can be prevented from being influenced with each other. It should be understood that in other embodiments, the arrangement of the sliding rod 4221 and the support rod 4222 may be different, for example, the support rod 4222 and the sliding rod 4221 are connected to each other to form a T shape, or the support rod 4222 is arranged in an arc shape or a special shape, etc.
In the present embodiment, the blade assembly 430 includes a first blade 431 and a second blade 432, wherein the first blade 431 and the second blade 432 are electrically connected, and the first blade 431 is movably connected to the housing 100 and can move relative to the housing 100 and selectively connect to the connection terminal 200, thereby electrically connecting the first blade 431 and the connection terminal 200, or can disconnect the connection terminal 200 to disconnect from the connection terminal 200. The second blade 432 is movably connected to the housing 100 and can move relative to the housing 100 and selectively connect to the socket terminal 300, thereby electrically connecting the second blade 432 and the socket terminal 300, or can disconnect the socket terminal 300 to disconnect from the socket terminal 300. It should be noted that, the driving device 410 and the transmission assembly 420 are two and respectively cooperate with the first knife switch 431 and the second knife switch 432 to respectively drive the first knife switch 431 and the second knife switch 432 to move.
When the first blade 431 is electrically connected to the connection terminal 200 and the second blade 432 is electrically connected to the socket terminal 300, a closing state is established, that is, the connection terminal 200 and the socket terminal 300 are electrically connected to each other through the first blade 431 and the second blade 432. When the first blade 431 is disengaged from the connection terminal 200 and/or the socket terminal 300 is disengaged from the socket terminal 300, the opening state is set, and the connection terminal 200 and the socket terminal 300 are disconnected.
It should be noted that, in the present embodiment, the two driving devices 410 are electrically connected to the controller 510, that is, the controller 510 can control the two driving devices 410 synchronously, and the two driving devices 410 can drive the first blade 431 and the second blade 432 synchronously, that is, when the first blade 431 is electrically connected to the connection terminal 200, the second blade 432 is electrically connected to the socket terminal 300; alternatively, when the first blade 431 is disengaged from the connection terminal 200, the second blade 432 is disengaged from the socket terminal 300. It should be understood that in other embodiments, the two driving devices 410 may also be independently controlled, i.e., the first blade 431 and the second blade 432 may be operated relatively independently, i.e., when the first blade 431 is electrically connected with the connection terminal 200, the second blade 432 may also be disconnected from the socket terminal 300, etc.
Further, the socket 10 further includes a conductive seat 433, the conductive seat 433 is connected to the casing 100, and the conductive seat 433 and the supporting seat 4212 are respectively located on two inner peripheral walls opposite to each other in the space where the connection terminal 200 is disposed. The conductive base 433 is located between the connection terminal 200 and the socket terminal 300, one end of the first blade 431 is rotatably connected to one end of the conductive base 433, and one end of the second blade 432 is rotatably connected to the other end of the conductive base 433. That is, the slider 422 can drive the first blade 431 and the second blade 432 to rotate relative to the conductive base 433, and make the other end of the first blade 431 electrically connected to the connection terminal 200, and also make the other end of the second blade 432 electrically connected to the connection terminal 200, so as to achieve the purpose of closing. Similarly, the other end of the first blade 431 can be disengaged from the connection terminal 200, and the other end of the second blade 432 can be disengaged from the socket terminal 300. It should be noted that, in other embodiments, the conductive seat 433 may be eliminated.
Optionally, in this embodiment, the first blade 431 and the second blade 432 are movably connected to the corresponding sliding member 422, and the first blade 431 and the second blade 432 have the same structure, and the first blade 431 is taken as an example for description herein.
Referring to fig. 1 and 3, the sliding member 422 further includes a sliding block 423, and the sliding block 423 is rotatably connected to an end of the support rod 4222. One side of the first knife switch 431 is provided with a sliding groove 4311 matched with the sliding block 423, and the sliding block 423 is slidably disposed inside the sliding groove 4311, so that when the support rod 4222 makes a linear motion and drives the first knife switch 431 to rotate relative to the conductive seat 433, the sliding of the sliding block 423 in the sliding groove 4311 can realize the relative movement of the first knife switch 431 and the support rod 4222, thereby ensuring the smooth rotation of the first knife switch 431.
In addition, the closing assembly further includes a first closing post 434 and a second closing post 435, the first closing post 434 is disposed near the connection terminal 200 and electrically connected to the connection terminal 200, and the first blade 431 can be selectively connected to or disconnected from the first closing post 434. A second switch-on post 435 is disposed adjacent to the receptacle terminal 300 and is electrically connected to the receptacle terminal 300, and a second blade 432 is selectively connectable to and disconnectable from the second switch-on post 435. It should be understood that in other embodiments, the first switching post 434 and the second switching post 435 may be eliminated, and the switching-on may be achieved directly by the electrical connection between the first blade 431 and the connection terminal 200, and similarly, the switching-on may be achieved directly by the electrical connection between the second blade 432 and the socket terminal 300.
Further, in the present embodiment, the connection terminal 200 includes a hot terminal 210, a neutral terminal 220, and a ground terminal 230, and the hot terminal 210, the neutral terminal 220, and the ground terminal 230 are all disposed inside the case 100. The jack terminal 300 includes a live jack terminal 310, a neutral jack terminal 320, and a ground jack terminal 330, and the live jack terminal 310, the neutral jack terminal 320, and the ground jack terminal 330 are all disposed inside the housing 100. In this embodiment, neutral terminal 220 and neutral jack terminal 320 are electrically connected, and ground terminal 230 and the ground interface terminal are electrically connected. The switching assembly 400 is disposed between the live terminal 210 and the live socket terminal 310, and the switching device can be selectively switched on to electrically connect the live terminal 210 and the live socket terminal 310 or switched off to disconnect the live terminal 210 and the live socket terminal 310.
The first switch-on post 434 is disposed near the live terminal 210 and electrically connected to the live terminal 210, and the second switch-on post 435 is disposed near the live socket terminal 310 and electrically connected to the live socket terminal 310.
Further, the socket 10 further includes a power supply assembly 520, and the power supply assembly 520 is electrically connected to both the controller 510 and the driving device 410 to supply power to the controller 510 and the driving device 410. In addition, the case 100 includes an outer shell 110, a first partition 120, and a second partition 130. Wherein the first partition 120 and the second partition 130 are both disposed inside the case 110. The first barrier 120 divides the inner space of the case 110 into a first cavity 121 and a second cavity 122. Wherein the ground terminal 230 and the ground receptacle terminal 330 are disposed inside the second cavity 122. The driving device 410, the transmission assembly 420, the opening and closing assembly 400, the live terminal 210, the neutral terminal 220, the live socket terminal 310, the neutral socket terminal 320 and the second partition 130 are all disposed inside the first cavity 121, and the supporting seat 4212 is connected to the first partition 120. The second partition 130 is connected to the first partition 120, and encloses a third cavity 131 together with the first partition 120. The controller 510 and the power supply assembly 520 are both disposed within the third cavity 131 to reduce or eliminate electromagnetic effects between the power supply assembly 520 and the fire terminal 210.
Optionally, the socket 10 may further include a signal receiving board, which can be used to receive instructions sent by a user. And the signal receiving board is in communication connection with the controller 510, so that the signal receiving board can send the instruction to the controller 510 after receiving the instruction, so that the controller 510 can control the driving device 410 to operate, thereby implementing the switching-on and switching-off control of the switching-on and switching-off assembly 400.
Optionally, in this embodiment, the socket 10 may further include a power-off time detection device and a voltage detection device, wherein the power-off time detection device may be electrically connected to the socket terminal 300 so as to detect the power-off time of the electrical appliance, and in this embodiment, the power-off time detection device is electrically connected to the live socket terminal 310. In addition, a voltage detection device is electrically connected to the connection terminal 200 so as to detect the voltage input by the power line, wherein in the present embodiment, the voltage detection device is electrically connected to the hot terminal 210.
Based on the socket 10, the embodiment of the present application further provides an automatic socket opening and closing control method, so as to solve the problems that in the prior art, the electrical appliance is not powered off for a long time, so that a small number of electronic components are in a long-term power-on working state, which leads to reduction in the aging life and electric energy consumption. Referring to fig. 4, the method for controlling automatic opening and closing of the socket includes:
and step S10, receiving the power-off time and/or voltage value of the electrical appliance.
The term "and/or" refers to that the controller 510 may receive only the power-off time of the electrical appliance, or only the voltage value, or both the power-off time and the voltage value of the electrical appliance.
And step S20, judging whether the power-off time of the electric appliance is greater than the preset time and/or judging whether the voltage value is greater than the preset voltage value.
Wherein, the "and/or" indicates that, when only the power-off time of the electrical equipment is received in step S10, only whether the power-off time of the electrical equipment is greater than the preset time is determined in step S20. When only the voltage value is received in step S10, only whether the voltage value is greater than the preset voltage value is determined in step S20. When the power-off time and the voltage value of the electrical appliance are received in step S10, it is determined whether the power-off time of the electrical appliance is greater than the preset time and the voltage value is greater than the preset voltage value in step S20.
In the present embodiment, the preset time is 72h, and it should be understood that in other embodiments, the preset time may range from 24h to 96 h. In the present embodiment, the preset voltage value is 290V, and it should be understood that in other embodiments, the range of the preset voltage value may be 260V-300V.
Step S30, if the result of determining whether the power-off time of the electrical appliance is greater than the preset time is yes, or the result of determining whether the voltage value is greater than the preset voltage value is yes, controlling the switching-on/off assembly 400 to switch off.
It should be noted that, when the power-off time of the electrical appliance is longer than the preset time, it indicates that the electrical appliance is not used for a long time, and at this time, the switching-on/switching-off assembly 400 is controlled to switch off, so that the air conditioner can be powered off, and the problems that in the prior art, the electrical appliance is not powered off for a long time, so that a small number of electronic components are in a long-term power-on working state, the aging life is easy to be shortened, and the electric energy. When the voltage value is greater than the preset voltage value, it is indicated that the output voltage of the live wire terminal 210 is too high, which may cause the electric shock of the user, and the electric shock of the user can be avoided by controlling the switching-on/off mode of the switching-on/off assembly 400, thereby improving the user experience.
In addition, referring to fig. 5, the method for controlling automatic opening and closing of a socket provided in the embodiment of the present application may further include:
and step S41, receiving a closing signal.
The closing signal can be sent by a user through a remote controller or can be directly input through an air conditioner by the user.
And step S42, judging whether the voltage value is larger than a preset voltage value.
Step S43, if yes, the switching-on/off assembly 400 is controlled to maintain the switching-off state.
When the voltage value is greater than the preset voltage value, it indicates that the output voltage of the live wire terminal 210 is too high, which may cause an electric shock to a user, and the electric shock to the user can be avoided by controlling the switching-on/off assembly 400 to maintain the switching-off state.
And step S44, if not, controlling the switching-on/off assembly 400 to switch on.
When the voltage value is smaller than the preset voltage value, the air conditioner can be normally used, and at the moment, the switching-on and switching-off assembly 400 is controlled to be switched on, so that the air conditioner can be normally used.
It should be noted that, in this embodiment, a user can also control the switching on and switching off of the switching on and switching off assembly 400 through a remote controller. For example, the remote controller includes [ switch ], [ cooling ], [ heating ], when the [ switch ], [ cooling ], [ heating ] key is pressed, the controller 510 receives a command to control the switching-on/off assembly 400 to switch on, and the power supply is connected to supply power; and pressing the keys of switch, refrigeration and heating again to start the air conditioner for normal use. For another example, when the [ on/off ] key is pressed for a long time in the off state of the air conditioner, the controller 510 receives the command to control the switching-on/off assembly 400 to switch off and stop power supply.
In summary, the socket 10 and the automatic opening and closing control method for the socket provided in this embodiment can be properly closed by the opening and closing assembly 400, so that the electrical equipment such as an air conditioner can be normally used. Or, when the preset condition is met, the power-off of the socket 10 is realized by opening and closing the opening of the opening and closing assembly 400, so that the problems that the electrical appliance is not powered off for a long time, a small number of electronic components are in a long-term power-on working state, the aging life is easy to be shortened, and the electric energy is consumed in the prior art can be solved. Moreover, when the voltage is too high, the controller 510 can control the switching-on/off assembly 400 to switch off, so that electric shock can be avoided when a user uses the switching-on/off assembly, safety of the user is guaranteed, and user experience is improved.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.