CN111403967B - Controlled socket - Google Patents
Controlled socket Download PDFInfo
- Publication number
- CN111403967B CN111403967B CN202010135708.3A CN202010135708A CN111403967B CN 111403967 B CN111403967 B CN 111403967B CN 202010135708 A CN202010135708 A CN 202010135708A CN 111403967 B CN111403967 B CN 111403967B
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- Prior art keywords
- electric equipment
- power
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- instruction
- jack
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6691—Structural association with built-in electrical component with built-in electronic circuit with built-in signalling means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
Abstract
The invention discloses a controlled socket, through setting up controlled jack, infrared signal transceiver, control unit and power control module, when the user uses the remote controller to send the power-on or shut down command to the electric equipment, the infrared signal transceiver receives the command as well, and through discerning the controlled jack that the controlled electric equipment connects, when receiving the shut down command, cut off the power of the controlled jack, thus save resources, for the electric equipment with battery, reduce the battery loss, lengthen service life, and reduce the hidden danger of fire, on the other hand does not need to plug and unplug the plug repeatedly, avoid the loss brought to plug and socket, through setting up the time delay, for some electric equipment with shut down procedure, can cut off the power after its shut down procedure finishes, through setting up the reset button, can while reconnecting another electric equipment, reset the preset information in the control unit again, the power-off requirements of different electric equipment are met.
Description
Technical Field
The invention relates to the technical field of sockets, in particular to a controlled socket.
Background
In life and work, the user is after using up consumer, often directly shuts down consumer with the remote controller, after shutting down, the plug of equipment still inserts on the socket, and most users can not remove and pull out the plug, because not only loaded down with trivial details, plug and socket also can be damaged to frequent plug in addition, and the plug that pulls out is infected with the dust easily, arouses contact failure etc. but the plug does not pull out also has not little harm, has the trace power consumption, causes the wasting of resources, and is not energy-conserving.
Disclosure of Invention
In view of the above, the present invention provides a controlled socket, which can automatically disconnect the power supply of a controlled jack after a power-off of a power-consuming device.
Based on the above purpose, the controlled socket provided by the present invention for infrared remote control of electric equipment comprises a panel, and further comprises:
the normally-open jack is arranged on the panel and used for supplying power to the electric equipment which needs to work in a live mode all the time;
the controlled jack is arranged on the panel and used for intermittently working and supplying power to the electric equipment needing to be powered off;
the control assembly comprises a remote control signal transceiver, a control unit and a power supply control module;
the infrared signal transceiver is used for receiving a starting-up instruction and a shutdown instruction of the electric equipment and sending the starting-up instruction and the shutdown instruction to the control unit;
the control unit is used for acquiring a power-on instruction and a power-off instruction received by the infrared signal transceiver, identifying a controlled jack connected with controlled electric equipment according to preset information, cutting off the power supply of the controlled jack through the power supply control module after a set delay time when the power-off instruction is received, and switching on the power supply of the controlled jack through the power supply control module when the power-on instruction is received;
and the reset button is arranged on the panel, is connected with the control unit and is used for clearing the preset information in the control unit for resetting.
Preferably, the control unit includes a preset module therein, and the preset module includes:
the recording module is used for recording the frequency and the code of the received infrared remote control signal;
the setting module is used for recording whether the recently received infrared remote control signal is a starting instruction or a shutdown instruction according to the input of a user;
the storage module is used for storing the frequency and the code of the infrared remote control signal and a corresponding instruction of the infrared remote control signal;
the reset button is provided with a first working state and a second working state, the reset button enters the first working state when receiving a first trigger instruction, the recording module is started, the reset button enters the second working state when receiving the second trigger instruction, the setting module is started, and the reset button clears the infrared remote control signal frequency and the codes stored in the storage module and the corresponding instructions thereof when receiving a third trigger instruction, enters the first working state and starts the recording module.
Preferably, the first trigger instruction is a long press for 3 seconds, the second trigger instruction is a short press, and the third trigger instruction is two consecutive short presses within 1 second.
Preferably, the panel is further provided with a power switch, and the power switch is connected with the normally-open jack and the controlled jack and is used for controlling the power on-off of the normally-open jack and the controlled jack.
Preferably, a power indicator lamp is further mounted on the panel and used for indicating the on-off of the power of the normally-on jack and the controlled jack.
Preferably, the delay time is set to 10 seconds.
Preferably, the preset module comprises:
the storage module is used for storing the on-off frequency and the coded data of the remote controller of each piece of electric equipment;
the direction module is used for storing the distribution condition of the electric equipment in the room where the controlled socket is located;
the detection piece is arranged at the controlled jack and comprises a first fixing body arranged at the upper end of the panel and a second fixing body arranged at the lower end of the panel, a clamping groove is formed in the first fixing body, the first fixing body and the second fixing body can clamp a cable of the electric equipment, a buckle matched with the clamping groove is arranged on the second fixing body, a plurality of rollers are arranged on the first fixing body and the second fixing body, the rollers are arranged on the first fixing body or the second fixing body through springs, and when the rollers rotate, the detection piece moves along the cable direction of the electric equipment;
a position sensor mounted on the detection member for detecting a position of the detection member;
the control unit judges which electric equipment is connected with the controlled jack according to the distribution condition of the electric equipment in a room where the storage controlled socket is stored in the direction module and the position of the detection piece after moving along the cable, identifies the electric equipment to be started and stopped according to the infrared signal frequency and the code received by the infrared signal transceiver, cuts off the power supply of the controlled jack connected with the electric equipment through the power supply control module after setting the delay time when receiving a stop instruction, and switches on the power supply of the controlled jack connected with the electric equipment through the power supply control module when receiving the start instruction.
Preferably, the detection piece is further provided with a reflector, the reflector is connected with a rotating mechanism, and the rotating mechanism is used for rotating the reflector to the direction of the controlled jack, wherein the infrared rays emitted to the reflector can be reflected to the direction of the controlled jack according to the detection information of the position sensor.
From the above, it can be seen that, the controlled socket provided by the invention, through setting the controlled jack, the infrared signal transceiver, the control unit and the power control module, when the user uses the remote controller to send the power on or power off instruction to the electric equipment, the infrared signal transceiver receives the instruction, and through identifying the controlled jack connected with the controlled electric equipment, when receiving the power off instruction, the power supply of the controlled jack is cut off, thereby saving resources, reducing battery loss, prolonging service life, reducing fire hazard for the electric equipment with battery, on the other hand, the plug does not need to be repeatedly plugged, avoiding loss brought to the plug and the socket, through setting the delay time, for part of the electric equipment with the power off program, the power can be cut off after the power off program is finished, through setting the normally open jack, the electric equipment which needs to work with electricity all the time is supplied with power, the universal property when the utility model is used is improved, through setting up the reset button, can reset the information of predetermineeing in the control unit when another consumer is reconnected, satisfy different consumer's outage needs.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the embodiment of the present invention;
FIG. 3 is a block diagram illustrating signal transmission of a module according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
A controlled socket is used for infrared remote control electric equipment and comprises a panel, wherein a normally-on jack 1 and a controlled jack 2 are installed on the panel, the normally-on jack 1 is used for supplying power to the electric equipment needing to be electrified and operated, the controlled jack 2 is used for intermittent operation and supplying power to the electric equipment needing to be powered off and power off, the controlled socket also comprises a control component, the control component comprises a remote control signal transceiver, a control unit and a power control module, an infrared signal transmitter is used for receiving power-on and power-off instructions of the electric equipment and sending the power-on and power-off instructions to the control unit, the control unit is used for collecting the power-on and power-off instructions received by the infrared signal transceiver 3, the controlled jack 2 connected with the controlled electric equipment is identified according to preset information, when the power-off instruction is received, after the set delay time, the power of the controlled jack 2 is cut off through the power control module, and when the power-on instruction is received, the power supply of the controlled jack 2 is switched on through the power supply control module, and the panel is also provided with a reset button 4 which is connected with the control unit and used for making the preset information in the control unit clear for resetting.
The invention sets the controlled jack 2, the infrared signal transceiver 3, the control unit and the power control module, when a user uses a remote controller to send a start-up or shut-down instruction to the electric equipment, the infrared signal transceiver 3 receives the instruction, and the power of the controlled jack 2 is cut off when the power-off instruction is received by identifying the controlled jack 2 connected with the controlled electric equipment, thereby saving resources, reducing the battery loss of the electric equipment with a battery, prolonging the service life and reducing the fire hazard, on the other hand, the invention does not need to repeatedly plug and unplug the plug, avoids the loss brought to the plug and the socket, can cut off the power of the electric equipment with a shutdown program after the shutdown program is finished by setting the normally-on jack 1, supplies power to the electric equipment which needs to work with electricity all the time, and improves the universality during use, through setting up reset button 4, can reset the information of predetermineeing in the control unit when another consumer reconnects, satisfy the outage needs of different consumers.
As an implementation manner, the preset module includes a recording module for recording a frequency and a code of a received infrared remote control signal, a setting module for recording whether a recently received infrared remote control signal is a power-on instruction or a power-off instruction according to a user input, and a storage module for storing the infrared remote control signal, the code and a corresponding instruction thereof, the reset button 4 has a first working state and a second working state, the reset button 4 enters the first working state when receiving a first trigger instruction, the recording module is started, the reset button 4 is in the first working state, and enters the second working state when receiving a second trigger instruction, the setting module is started, and the reset button 4 clears the frequency and the code of the infrared remote control signal and the corresponding instruction thereof stored in the storage module when receiving a third trigger instruction. And entering a first working state, and starting a recording module.
When in use, a user can firstly send a first trigger instruction to the reset button 4 to enable the reset button to enter a first working state, press a power-on key on the remote controller to record the frequency and the code of an infrared signal sent by the remote controller, then send a second trigger instruction to the reset button 4 to enable the reset button to enter a second working state, and set the infrared signal as a power-off instruction, wherein the setting mode can be that the power-on setting key and the power-off setting key are arranged on a panel, or a fixed setting sequence can be preset, for example, the instruction sent by the remote controller firstly is the power-on instruction, and then the instruction sent by the remote controller is the power-off instruction, and the like, when the power-on equipment needs to be replaced, a third trigger instruction is sent to the reset button 4, so that the information stored in the storage module can be cleared, the setting is carried out again, and the association relationship between the power-on instruction and the power-off instruction and the infrared signal can be simply and conveniently set by the user through the setting, control of the controlled jack 2 is achieved.
In one embodiment, the first trigger command is a long press for 3 seconds, the second trigger command is a short press, and the third trigger command is two consecutive short presses within 1 second.
As an implementation mode, the panel is further provided with a power switch 5, and the power switch 5 is connected with the normally-on jack 1 and the controlled jack 2 and used for controlling the on-off of the power of the normally-on jack 1 and the controlled jack 2, so that the power of all the jacks can be conveniently disconnected.
As an implementation mode, the panel is further provided with a power indicator lamp 6, the power indicator lamp 6 is used for indicating the on-off of the power of the normally-on jack 1 and the controlled jack 2, for example, when the power indicator lamp 6 is on, the power indicator lamp 6 is off, the power indicator lamp 6 is powered off, the power indicator lamp 6 can be further connected with the reset button 4, when the reset button 4 respectively enters the first working state and the second working state, the power indicator lamp 6 flickers at different frequencies, and a user can know the current working state of the controlled socket conveniently.
As an implementation mode, the delay time is set to be 10 seconds, so that the requirement of shutdown procedures of most electric equipment is met.
As an embodiment, the preset module includes:
the storage module is used for storing the on-off frequency and the coded data of the remote controller of each piece of electric equipment;
the direction module is used for storing the distribution condition of the electric equipment in the room where the controlled socket is located;
the detection piece is arranged at the controlled jack 2 and comprises a first fixing body 7 arranged at the upper end of the panel and a second fixing body 8 arranged at the lower end of the panel, a clamping groove is formed in the first fixing body 7, the first fixing body 7 and the second fixing body 8 can clamp a cable of the electric equipment, a buckle matched with the clamping groove is arranged on the second fixing body 8, a plurality of rollers 9 are arranged on the first fixing body 7 and the second fixing body 8, the rollers 9 are arranged on the first fixing body 7 or the second fixing body 8 through springs, and when the rollers 9 rotate, the detection piece moves along the cable direction of the electric equipment;
a position sensor mounted on the detection member for detecting a position of the detection member;
the control unit judges which electric equipment is connected with the controlled jack 2 according to the distribution condition of the electric equipment in a room where the storage controlled socket is stored in the direction module and the position of the detection piece after moving along the cable, identifies the electric equipment to be started and stopped according to the infrared signal frequency and the code received by the infrared signal transceiver 3, cuts off the power supply of the controlled jack 2 connected with the electric equipment through the power supply control module after setting the delay time when receiving a shutdown instruction, and switches on the power supply of the controlled jack 2 connected with the electric equipment through the power supply control module when receiving the startup instruction.
Through the setting, when the consumer inserts controlled jack 2, first fixed body 7 and the second fixed body 8 in the detection piece are got the cable clamp, gyro wheel 9 contacts with the cable under the effect of spring, gyro wheel 9 drives whole detection piece and removes to the consumer when rolling, reach the position of consumer promptly when moving the tip, contrast through the consumer difference condition with storage in the position module, can learn which consumer this controlled jack 2 is connected to, then when the user sends the power command or shuts down the instruction through the remote controller, frequency and the coding data of each consumer remote controller switch-on and shut-off machine through the contrast storage module in storage, can control corresponding controlled jack 2 and make outage or circular telegram action, need not to set up respectively every controlled jack 2, and more convenient to use, and more intelligent.
As an implementation mode, a reflector is further installed on the detection piece, the reflector is connected with a rotating mechanism, and the rotating mechanism is used for rotating the reflector to the direction capable of reflecting infrared rays emitted to the reflector to the controlled jack 2 according to the detection information of the position sensor.
Because infrared signal covers the signal narrowly, when the user points to controlled consumer with the remote controller, controlled jack 2 probably is far away apart, is difficult to receive the signal, through setting up rotatable speculum, can be with infrared signal part reflection to controlled jack 2 direction, improves the stability and the reliability of this device.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
In addition, well known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown within the provided figures for simplicity of illustration and discussion, and so as not to obscure the invention. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the invention, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the present invention is to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the invention, it should be apparent to one skilled in the art that the invention can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.
While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic ram (dram)) may use the discussed embodiments.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. A controlled socket is used for infrared remote control electric equipment, which is characterized by comprising a panel and further comprising:
the normally-open jack is arranged on the panel and used for supplying power to the electric equipment which needs to work in a live mode all the time;
the controlled jack is arranged on the panel and used for intermittently working and supplying power to the electric equipment needing to be powered off;
the control assembly comprises an infrared signal transceiver, a control unit and a power supply control module;
the infrared signal transceiver is used for receiving a starting-up instruction and a shutdown instruction of the electric equipment and sending the starting-up instruction and the shutdown instruction to the control unit;
the control unit is used for collecting a power-on instruction and a power-off instruction received by the infrared signal transceiver, identifying a controlled jack connected with controlled electric equipment according to preset information, cutting off the power supply of the controlled jack through the power supply control module after a set delay time when the power-off instruction is received, and switching on the power supply of the controlled jack through the power supply control module when the power-on instruction is received;
the reset button is arranged on the panel, is connected with the control unit and is used for clearing preset information in the control unit for resetting;
the control unit comprises a preset module, and the preset module comprises:
the recording module is used for recording the frequency and the code of the received infrared remote control signal;
the setting module is used for recording whether the recently received infrared remote control signal is a starting instruction or a shutdown instruction according to the input of a user;
the storage module is used for storing the on-off frequency and the coded data of the remote controller of each piece of electric equipment and the corresponding instruction of the coded data;
the reset button is provided with a first working state and a second working state, the reset button enters the first working state when receiving a first trigger instruction and starts the recording module, the reset button enters the second working state when receiving a second trigger instruction and starts the setting module when receiving a third trigger instruction, the reset button clears the infrared remote control signal frequency and the codes and the corresponding instructions thereof stored in the storage module and enters the first working state and starts the recording module;
the preset module further comprises:
the direction module is used for storing the distribution condition of the electric equipment in the room where the controlled socket is located;
the detection piece is arranged at the controlled jack and comprises a first fixing body arranged at the upper end of the panel and a second fixing body arranged at the lower end of the panel, a clamping groove is formed in the first fixing body, a cable of the electric equipment can be clamped between the first fixing body and the second fixing body, a buckle matched with the clamping groove is arranged on the second fixing body, a plurality of rollers are arranged on the first fixing body and the second fixing body respectively, the rollers are arranged on the first fixing body or the second fixing body through springs, and when the rollers rotate, the detection piece moves along the cable direction of the electric equipment;
a position sensor mounted on the detection member for detecting a position of the detection member;
the control unit judges which electric equipment is connected with the controlled jack according to the distribution condition of the electric equipment in a room where the storage controlled socket is stored in the direction module and the position of the detection piece after moving along the cable, identifies the electric equipment to be started and shut down according to the infrared signal frequency and the code received by the infrared signal transceiver, cuts off the power supply of the controlled jack connected with the electric equipment through the power supply control module after setting the delay time when receiving a shut-down instruction, and switches on the power supply of the controlled jack connected with the electric equipment through the power supply control module when receiving the start-up instruction.
2. The controlled jack of claim 1, wherein the first toggle command is a long press for 3 seconds, the second toggle command is a short press, and the third toggle command is two consecutive short presses within 1 second.
3. The controlled socket according to claim 1, wherein a power switch is further mounted on the panel, and the power switch is connected to the normally-on jack and the controlled jack and is used for controlling the power on/off of the normally-on jack and the controlled jack.
4. The controlled socket of claim 1, wherein a power indicator is further mounted on the faceplate and is used to indicate the power on/off of the normally-on jack and the controlled jack.
5. The controlled jack of claim 1, wherein the set delay time is 10 seconds.
6. The controlled socket according to claim 1, wherein a reflector is further mounted on the detecting member, and a rotating mechanism is connected to the reflector, and the rotating mechanism is configured to rotate the reflector according to the detection information of the position sensor to reflect the infrared rays emitted to the reflector to the direction of the controlled socket.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010135708.3A CN111403967B (en) | 2020-03-02 | 2020-03-02 | Controlled socket |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010135708.3A CN111403967B (en) | 2020-03-02 | 2020-03-02 | Controlled socket |
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CN111403967A CN111403967A (en) | 2020-07-10 |
CN111403967B true CN111403967B (en) | 2022-01-04 |
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Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US7651365B2 (en) * | 2004-10-01 | 2010-01-26 | Tseng-Lu Chien | Outlet adapter with EL elements, receptacles for other electric devices, and prongs for supplying power from a power source to the receptacles and EL elements |
CN201397976Y (en) * | 2009-05-06 | 2010-02-03 | 陈清 | Television remote control energy-saving socket |
CN203859333U (en) * | 2014-02-12 | 2014-10-01 | 西南大学 | Intelligent television set socket device |
CN104932335B (en) * | 2015-05-18 | 2017-06-23 | 南方科技大学 | A kind of control method and device of jack working condition |
CN208489483U (en) * | 2018-06-21 | 2019-02-12 | 广州中安电工高新科技股份有限公司 | Energy saving socket and energy conserving system |
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