CN213843859U - Wireless control system for power supply on-off of power equipment - Google Patents
Wireless control system for power supply on-off of power equipment Download PDFInfo
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- CN213843859U CN213843859U CN202021983509.XU CN202021983509U CN213843859U CN 213843859 U CN213843859 U CN 213843859U CN 202021983509 U CN202021983509 U CN 202021983509U CN 213843859 U CN213843859 U CN 213843859U
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Abstract
The utility model discloses a wireless control system for the power supply on-off of power equipment, which comprises an intelligent electric control wireless system, a main control system and a power supply, wherein the intelligent electric control wireless system is used for controlling the connection and the separation of an external power supply and the power supply with terminal power equipment and uploading the feedback information of the equipment to the main control system; the main control system is used for receiving the feedback electricity utilization information and controlling the terminal power equipment according to the control instruction; the electric energy bearing body is used for bearing electric energy transmission and is externally connected with other equipment in midway through a bridge; the terminal power execution module is arranged on the terminal power equipment and used for controlling the terminal power equipment to connect and disconnect a power supply according to the control instruction and feeding back equipment information and power utilization information of the terminal power equipment; and the main platform wireless system is used for sending the input instruction of the mobile phone terminal APP to the main control system through wireless communication to realize remote control. Can reduce the installation of electric wire return circuit through this scheme, will practice thrift the cost of labor cost and the cost of electric energy supporting body greatly.
Description
Technical Field
The utility model relates to an electric energy control field especially relates to a wireless control system for power equipment power supply break-make.
Background
In modern industrial control and family field, the transmission and control of signal mostly still stop on wired connection's mode, all take a large amount of control cable transmission and control signal like stacker-reclaimer, harbour coal unloader and other large-scale mobile device, because remove through the mode of reel and sliding ring, make control cable take place the breakage fault rate height, the signal is unstable, wiring distance is far away simultaneously, the maintenance cost is high, for solving this problem, consequently just need combine the wireless communication technology of present constantly developing to develop and can be widely applied to industrial automation wireless control.
The modern wireless mobile communication technology is popularized and applied in the field of industrial control, the wireless communication technology is utilized to carry out remote bidirectional wireless transmission or control on the change condition of industrial switching value, digital value and analog value signals, at least two devices can be paired for wireless bidirectional control, or multiple devices can be paired, wireless communication and mutual control among multiple devices can be realized when multiple devices are used, a wireless control network for central management and decentralized control is formed, the wireless control network can be used for replacing control cables of a stacker-reclaimer, a port coal unloader and other large-scale mobile devices to realize wireless signal transmission and control, and the wireless mobile communication network can be applied to factories, field factories and mines, places where inconvenient wiring needs control and node mutual control, remote wireless transmission of switching signals, wireless automatic control of factory devices, power control of devices in various places, measurement and control of field unattended stations, measurement and control of switch signals in remote wireless transmission, wireless automatic control of factory devices, power supply control of devices in various places, measurement and control of field unattended stations, measurement and control, Remote wireless remote control, wireless switching value and analog quantity data transmission.
However, the wireless control system of the existing device cannot realize voice remote control, cannot control a plurality of devices to perform actions at one time, and can be fully turned on or off, and meanwhile, an operator needs to manually input a control instruction, and when an external power supply is introduced, the compatibility is poor, so that a wireless system needs to be provided to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a wireless control system for power equipment power supply break-make, can realize introducing all power electrical energy equipment terminals from external power source and reach wireless control, realize that the total power is fully opened or is totally closed.
The purpose of the utility model is realized through the following technical scheme:
a wireless control system for power supply on-off of power equipment comprises
The intelligent electric control wireless system is used for controlling the connection and the separation of the external power supply and the power supply with the terminal power equipment and uploading the feedback information of the terminal power equipment to the main control system;
the main control system is arranged in the control room and used for receiving the power utilization information fed back by the intelligent electric control wireless system and remotely controlling the plurality of terminal power execution modules and the terminal power equipment through the electric energy bearing body according to the control instruction of a user;
the electric energy bearing body is used for bearing electric energy transmission and is externally connected with other terminal power equipment in a bridging way;
the terminal power execution module is arranged on the terminal power equipment and used for controlling the terminal power equipment to be connected with and separated from a power supply according to the control instruction and feeding back equipment information and power utilization information of the terminal power equipment to the intelligent electric control wireless system;
and the main platform wireless system is used for converting an input instruction of the remote control terminal, setting a safety threshold value of the terminal power equipment, and sending the safety threshold value to the main control system through wireless communication to realize the opening or closing of the remote control terminal power equipment.
Specifically, the master control system comprises a master control chip, a power supply control module, a signal instruction sending and receiving module, a voltage and current monitoring module and a voice command recognition and analysis module; the input end of the main control chip is respectively connected with the power supply control module, the voltage and current monitoring module and the voice command recognition and analysis module, and the output end of the main control system is respectively connected with the power supply control module and is communicated with the intelligent electric control wireless system through the signal instruction receiving module.
Specifically, the terminal power execution module comprises a PLC (programmable logic controller), a power supply connection and disconnection module, a wireless system communication module and a voltage and current acquisition feedback module; the PLC is respectively connected with the power supply connection and disconnection module, the wireless system communication module and the voltage and current acquisition feedback module; one terminal power device can carry a plurality of terminal power execution modules.
Specifically, the intelligent electric control wireless system comprises an intelligent air switch, an intelligent contactor, an electrified contact device and a circuit and electric appliance integrated wireless system; the circuit and electrical appliance integrated system is respectively connected with the intelligent air switch, the intelligent contactor and the electrified contact equipment; the main control system is in wireless communication connection with the current electric appliance integrated system.
The system comprises a main control touch screen, and the main control touch screen is connected with a main control system and used for realizing man-machine interaction.
Specifically, the master control system further comprises a driving module, wherein the driving module is provided with a driving chip and is used for remotely controlling and adjusting the power state of the terminal power equipment through wireless communication.
Specifically, the wireless system communication module includes an LORA wireless module, an NB wireless communication module, and a 4G/5G wireless communication module.
Specifically, the terminal power equipment further comprises a three-phase three-hole socket and plug, a three-phase four-hole socket and plug, a mobile three-phase four-phase multi-combination jack panel, a three-phase four-phase ground jack panel and a terminal panel.
Specifically, the master control system further comprises a voltage conversion circuit, connected with the master control chip, and used for controlling external input of strong current through weak current collection.
The remote control system comprises a main platform wireless system, a remote control terminal and a main platform wireless system, wherein the main platform wireless system is used for carrying out wireless communication; the remote control terminal is a mobile phone terminal and a notebook computer which are provided with control APP or small programs.
The utility model has the advantages that:
1. the wireless system realizes that all power electric energy equipment terminals are led in from an external power supply to achieve wireless system control, the total power supply is fully turned on or off, the wireless system also controls the power equipment of one or more terminals to be turned off or on when the total power supply is started, and the wireless system communication module is connected with each execution module to execute control.
2. The main control chip can enable the MAC address of the wireless module to be divided into one or more terminal equipment combination numbers, the numbers are uniform and unique, the instructions are issued to the terminal equipment through a communication protocol, and when the terminal equipment receives the instructions matched with the equipment numbers, corresponding actions are executed to realize wireless control.
3. The mobile phone APP, the small programs, the voice, the concentrator and the mobile phone with the communication function can be sent to the master control system through the wireless system without being operated on site by personnel, the master control system sends signals of the wireless system to control a terminal, a plurality of terminals and the control result of all the terminals, and the power on/off of power equipment and other functions are achieved.
Drawings
Fig. 1 is a schematic diagram of the system of the present invention.
Fig. 2 is a schematic diagram of power control according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of an internal structure of the centralized controller according to the embodiment of the present invention.
Fig. 4 is a schematic diagram of the internal structure of the terminal controller according to the embodiment of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
In this embodiment, as shown in fig. 1, a wireless control system for power supply on/off of power equipment includes an intelligent electronic control wireless system, which is used for controlling connection and separation of an external power supply and a power supply with terminal power equipment, and uploading feedback information of the terminal power equipment to a main control system; the main control system is arranged in the control room and used for receiving the power utilization information fed back by the intelligent electric control wireless system and remotely controlling the plurality of terminal power execution modules and the terminal power equipment through the electric energy bearing body according to the control instruction of a user; the electric energy bearing body is used for bearing electric energy transmission and is externally connected with other terminal power equipment in a bridging way; the terminal power execution module is arranged on the terminal power equipment and used for controlling the terminal power equipment to be connected with and separated from a power supply according to the control instruction and feeding back equipment information and power utilization information of the terminal power equipment to the intelligent electric control wireless system; and the main platform wireless system is used for converting an input instruction of the remote control terminal, setting a safety threshold value of the terminal power equipment, and sending the safety threshold value to the main control system through wireless communication to realize the opening or closing of the remote control terminal power equipment.
The electric energy bearing body is controlled by a master control system, is opened to bear the use of electric energy when in use, is selected according to the conditions of electric power equipment with different application scenes of each power place, adopts national specification use voltage specifications, is arranged in regions on all terminal electric power equipment, only needs to be connected with three-phase or three-phase four-wire without loop control lines, and is arranged in a plurality of required terminal power equipment application places; when the terminal power equipment needs to ask for electric energy from the electric energy bearing body midway, the traditional bridging connection method can be adopted to get the electricity. All terminal power equipment with different power place application scenes have functions generated under the condition that an electric energy bearing body is electrified, when the power place needs to use electric energy, a manager issues an instruction to a master control, and after a master control system is connected with an intelligent air switch with execution driving, an intelligent contactor and other contact type power switches with intelligent executability, the whole electric energy bearing body generates electric energy for each terminal equipment to use; when the power is not needed in the whole power place, the main control system disconnects the intelligent air switch or other intelligent power-on equipment according to the instruction of a manager, and cuts off the electric energy. When other parts of electric energy are needed to be used, the whole electric energy needs to be connected with the intelligent air switch capable of independently closing the terminal power execution module and the terminal power equipment, other terminal power equipment is normally used, and all the terminal equipment is controlled in a wireless mode in the control process, so that the on and off of all the equipment are controlled without adopting a wired loop. And signals of one or more terminal power execution modules exist at the same time, and the terminal power execution modules execute actions to the terminal power sub-equipment according to the instructions of the master control system, so that the required control function is realized. The utility model discloses a three-phase or three-phase four-wire electric energy supporting body can be realized to the method, and only need carry out the circular telegram before power plant uses scene terminal equipment mounting point and go on the circular telegram and carry on a plurality of equipment fixing of ring at power plant uses or other power in the application of electric energy supporting body according to the power equipment condition in power plant, can realize three-phase or three-phase four-wire to many power equipment's circular telegram control, and the opening or closing and other functions of the steerable all independent terminal power equipment of a master control need not to field operation, need not to adopt return circuit installation control.
Specifically, the master control system comprises a master control chip, a power supply control module, a signal instruction sending and receiving module, a voltage and current monitoring module and a voice command recognition and analysis module; the input end of the main control chip is respectively connected with the power supply control module, the voltage and current monitoring module and the voice command recognition and analysis module, and the output end of the main control system is respectively connected with the power supply control module and is communicated with the intelligent electric control wireless system through the signal instruction receiving module.
Wherein, one master control can be set up according to the functions of the master control system or a plurality of master controls can be set up according to the requirements, all control directions can be intelligentized after all terminal power equipment is controlled, functions of all power control terminals do not need to be operated to a fixed position, materials of a control return line of a main control switch terminal can be wirelessly instructed to comprise a corresponding mobile phone APP, a small program and a remote control, the wireless communication in a control room is provided with voice of a main control and a concentrator, and all terminal power devices in the control room have independent and corresponding communication functions, only the name number of the corresponding device is needed, the command is gathered into the master control system to be wirelessly received, then the command is analyzed and sent to the terminal power execution module to execute the function, therefore, a loop control terminal process is cancelled, so that the use of a large number of electric carriers is saved, and a great achievement is achieved for energy conservation.
The master control system can operate the master control touch screen on site in the control room, and the corresponding terminal power equipment is classified, named and numbered and managed and displayed on the touch screen, and managers can operate the master control touch screen to realize the command issuing of the terminal power execution module and the equipment with the corresponding number, so as to execute control and achieve the realization of controlling on or off and other functions.
Specifically, the terminal power execution module comprises a PLC (programmable logic controller), a power supply connection and disconnection module, a wireless system communication module and a voltage and current acquisition feedback module; the PLC is respectively connected with the power connection and disconnection module, the wireless system communication module and the voltage and current acquisition feedback module. When a plurality of terminal power devices are combined in one execution module, only one group of communication receiving modules is needed, and the communication receiving modules distinguish the difference of the terminal power devices according to the difference of terminal group numbers and serial numbers, so that the purpose of one communication multi-instruction is achieved. The terminal communication terminal power execution module has the modes of super-long-distance transmission, LORA communication of automatic frequency modulation, 4/5G, NB _ IOT communication capable of directly uploading data to a server and the like and main control linkage, and does not need to be linked with the outside.
The terminal power execution module is also provided with other power management acquisition chips and a basic peripheral circuit; the small circuit control can monitor the operation condition of the terminal power equipment according to requirements, the terminal power equipment circuit can add single equipment according to requirements, information such as used power consumption overload and equipment damage is reported to a main control system through wireless communication, and the main control system communicates with the outside to inform a power place control indoor manager. The communication module can also adopt a mobile phone APP and a small program to realize the receiving of a remote control or other power place terminals which can send instructions, the instructions are gathered into a master control system to be wirelessly received and then are sent to a terminal power execution module through a master control mode by a wireless method, and the instructions are executed to reach single terminal equipment or a plurality of terminal equipment or all the terminal equipment in an electric energy bearing body to start, close, adjust current, adjust voltage, report equipment faults, the power consumption of the equipment and the like, and the use of other terminal power equipment cannot be influenced in the execution process. The communication module plays an important role in wireless, the communication mode gives instructions for interaction and receiving in the terminal control mode from the main control board, and gives execution instructions to the functional module of the terminal power equipment, and the terminal power equipment executes the instructions. One terminal power device can carry a plurality of terminal power execution modules.
Specifically, the intelligent electric control wireless system comprises an intelligent air switch, an intelligent contactor, an electrified contact device and a circuit and electric appliance integrated wireless system; the circuit and electrical appliance integrated system is respectively connected with the intelligent air switch, the intelligent contactor and the electrified contact equipment; the main control system is in wireless communication connection with the current electric appliance integrated system.
The system comprises a main control touch screen, and the main control touch screen is connected with a main control system and used for realizing man-machine interaction.
Specifically, the master control system further comprises a driving module, wherein the driving module is provided with a driving chip and is used for remotely controlling and adjusting the power state of the terminal power equipment through wireless communication.
Specifically, the wireless system communication module includes an LORA wireless module, an NB wireless communication module, and a 4G/5G wireless communication module.
Specifically, the terminal power equipment further comprises a three-phase three-hole socket and plug, a three-phase four-hole socket and plug, a mobile three-phase four-phase multi-combination jack panel, a three-phase four-phase ground jack panel and a terminal panel.
Specifically, the master control system further comprises a voltage conversion circuit, connected with the master control chip, and used for controlling external input of strong current through weak current collection.
The remote control system comprises a main platform wireless system, a remote control terminal and a main platform wireless system, wherein the main platform wireless system is used for carrying out wireless communication; the remote control terminal is a mobile phone terminal and a notebook computer which are provided with control APP or small programs.
The utility model discloses in, a power electric energy circular telegram includes with equipment wireless control's system operating principle: selecting an electric energy carrier in a terminal power equipment application place to connect the input end of the intelligent electric control wireless system with a power supply and simultaneously connect the output end of the intelligent electric control wireless system with the terminal power equipment; the main control system establishes wireless communication connection with a current electric appliance integrated system in the intelligent electric control system through a signal instruction receiving module, and simultaneously establishes wireless communication connection with a wireless system communication module in a terminal power execution module; after the wireless communication connection is established, the PLC of the terminal power execution module automatically uploads the serial number information of the terminal power equipment to the main control system for confirmation through wireless communication, and the serial number of the terminal power equipment is displayed on the main control touch screen after the serial number information is correct; a user selects a terminal power device number needing to be operated from the main control touch screen, a control instruction is input into the main control touch screen, a driving module in the main control system generates a control signal according to the control instruction input by the main control display screen and sends the control signal to the terminal power device through wireless communication, and wireless control of the terminal power device is realized; the terminal power execution module acquires voltage and current information of the terminal power equipment in real time through the voltage and current acquisition feedback module, uploads the information to the main control system in a wireless communication mode, and displays the information on the main control touch screen.
In addition, the remote control principle of the mobile phone terminal comprises the following steps: firstly, a wireless remote control APP is installed on a mobile phone terminal, the mobile phone terminal is in wireless communication connection with a main control system through a main platform wireless system, a user inputs a remote control instruction into the mobile phone terminal APP and sends the remote control instruction to the main control system, and the main control system generates a remote control signal according to the remote control instruction and sends the remote control signal to terminal power equipment to execute the remote control instruction, so that wireless remote control is achieved.
The utility model discloses in, as shown in fig. 2, the utility model discloses a wireless control system embodiment, including centralized control ware, a plurality of terminal power equipment, high in the clouds server, touch display screen, voice controller and mobile device, the centralized control ware passes through the electric energy supporting body and is connected with a plurality of terminal control ware respectively, and terminal control ware passes through the electric energy supporting body simultaneously and is connected with a plurality of terminal power equipment. In addition, the centralized controller is respectively connected with the cloud server, the touch display screen and the voice controller in a wireless communication mode, and the mobile device is connected with the cloud server in a wireless communication mode. The terminal power equipment can be household electric equipment such as electric lamps, refrigerators, sockets, air conditioners, televisions and the like, and can also be industrial equipment such as motors, cranes and the like. The mobile device can be a mobile device with a wireless communication function, such as a mobile phone, a notebook computer, a tablet computer and the like.
As shown in fig. 3, the centralized controller mainly employs an ARM series or PLC series main control chip MCU, and is also provided with an intelligent circuit breaking unit, a monitoring unit, a state reporting device, a fault processing unit, a Power unit, a 4G/5G communication unit, an RS485 interface, and wireless communication units such as WiFi, ZigBee, and LoRa, which are respectively connected to the main control chip. As shown in fig. 4, the terminal controller is provided with an ARM series or PLC series single chip microcomputer MCU, a Power unit, an intelligent voltage-current conversion unit, an intelligent disconnection control unit, a fault alarm unit, a monitoring unit, a state reporting device, and a communication unit, which are connected to the single chip microcomputer MCU, and the communication unit of the terminal controller communicates with the centralized controller through an RS485 interface.
In this embodiment, after the system establishes the wireless communication connection, a user may select a terminal power device number to be operated on the touch display screen, input a control instruction, send the control instruction to the integrated controller in a wireless communication manner, the integrated controller generates a control signal according to the control instruction and sends the control signal to the terminal controller in a wireless communication manner, and the terminal controller controls the connected terminal power device to execute the control instruction according to the received control signal. In addition, a voice control command can be input into the integrated controller in a voice controller mode to realize the on or off of the power equipment of the wireless control terminal.
The utility model discloses an in other embodiments, the user can be through mobile device input control instruction such as cell-phone, computer when at home, with control instruction through wireless communication send to high in the clouds server, the high in the clouds server is sending received control instruction to centralized control ware with wireless communication's mode to this realizes terminal power equipment's wireless remote control. The mobile phone can also establish network communication with the centralized controller through a 4G/5G communication network, a control instruction is input at the mobile phone terminal, and the control instruction is directly sent to the centralized controller through the 4G/5G communication network, so that the power equipment of the terminal is controlled to be turned on or turned off. In addition, if the user is not at home, the control instruction can be input into the mobile phone terminal and sent to the cloud server through the 4G/5G network, and the cloud server sends the received control instruction to the centralized controller, so that the control instruction can be executed by remotely controlling the terminal power equipment in a network communication and wireless communication combined mode.
The wireless control system in the embodiment is also applicable to a three-phase power supply, and long-distance wireless control of power supply on-off operation of household electric equipment and industrial equipment can be realized by selecting the corresponding electric energy carrying bodies according to actual operation requirements, namely, electric wires.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A wireless control system for power supply on-off of power equipment is characterized by comprising
The intelligent electric control wireless system is used for controlling the connection and the separation of the external power supply and the power supply with the terminal power equipment and uploading the feedback information of the terminal power equipment to the main control system;
the main control system is arranged in the control room and used for receiving the power utilization information fed back by the intelligent electric control wireless system and remotely controlling the plurality of terminal power execution modules and the terminal power equipment through the electric energy bearing body according to the control instruction of a user;
the electric energy bearing body is used for bearing electric energy transmission, and is externally connected with terminal power equipment except the terminal power equipment which is connected with the intelligent electric control wireless system in a bridging way in the midway;
the terminal power execution module is arranged on the terminal power equipment and used for controlling the terminal power equipment to be connected with and separated from a power supply according to the control instruction and feeding back equipment information and power utilization information of the terminal power equipment to the intelligent electric control wireless system;
and the main platform wireless system is used for converting an input instruction of the remote control terminal, setting a safety threshold value of the terminal power equipment, and sending the safety threshold value to the main control system through wireless communication to realize the opening or closing of the remote control terminal power equipment.
2. The wireless control system for power supply on-off of the power equipment as claimed in claim 1, wherein the master control system comprises a master control chip, a power supply control module, a signal instruction transmitting and receiving module, a voltage and current monitoring module and a voice command recognition and analysis module; the input end of the main control chip is respectively connected with the power supply control module, the voltage and current monitoring module and the voice command recognition and analysis module, and the output end of the main control system is respectively connected with the power supply control module and is communicated with the intelligent electric control wireless system through the signal instruction receiving module.
3. The wireless control system for power supply on-off of power equipment according to claim 1, wherein the terminal power execution module comprises a PLC (programmable logic controller), a power supply connection and disconnection module, a wireless system communication module and a voltage and current acquisition feedback module; the PLC is respectively connected with the power supply connection and disconnection module, the wireless system communication module and the voltage and current acquisition feedback module; one terminal power device can carry a plurality of terminal power execution modules.
4. The wireless control system for power supply on-off of the power equipment as claimed in claim 1, wherein the intelligent electronic control wireless system comprises an intelligent air switch, an intelligent contactor, an electrified contact device and a circuit and electric appliance integrated wireless system; the circuit and electrical appliance integrated system is respectively connected with the intelligent air switch, the intelligent contactor and the electrified contact equipment; the main control system is in wireless communication connection with the current electric appliance integrated system.
5. The wireless control system for power supply on-off of power equipment according to claim 1, further comprising a master control touch screen, wherein the master control touch screen is connected with the master control system and used for achieving man-machine interaction.
6. The wireless control system for power supply on-off of power equipment as claimed in claim 1, wherein the master control system further comprises a driving module, and the driving module is provided with a driving chip for remotely controlling and adjusting the power state of the terminal power equipment through wireless communication.
7. The wireless control system for power supply on-off of power equipment as claimed in claim 3, wherein the wireless system communication module comprises a LORA wireless module, an NB wireless communication module and a 4G/5G wireless communication module.
8. The wireless control system for switching on and off power supply of power equipment according to claim 1, wherein the terminal power equipment further comprises a three-phase three-hole socket and plug, a three-phase four-hole socket and plug, a mobile three-phase four-phase multi-combination jack panel, a three-phase four-phase ground jack panel and a terminal panel.
9. The wireless control system for power supply on-off of the power equipment as claimed in claim 2, wherein the master control system further comprises a voltage conversion circuit connected with the master control chip and used for controlling external input of strong current through weak current collection.
10. The wireless control system for power supply on-off of the power equipment as claimed in claim 1, further comprising a remote control terminal, wherein the remote control terminal is used for realizing remote control of the terminal power equipment by communicating with the main platform wireless system through wireless communication; the remote control terminal is a mobile phone terminal and a notebook computer which are provided with control APP or small programs.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021983509.XU CN213843859U (en) | 2020-09-11 | 2020-09-11 | Wireless control system for power supply on-off of power equipment |
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| CN202021983509.XU CN213843859U (en) | 2020-09-11 | 2020-09-11 | Wireless control system for power supply on-off of power equipment |
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Effective date of registration: 20220317 Address after: 201306 2nd floor, no.979 Yunhan Road, Lingang New Area, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: Shanghai huinengxing Technology Development Co.,Ltd. Address before: No.777, section 4, Huafu Avenue, Southwest Airport Economic Development Zone, Shuangliu District, Chengdu, Sichuan Province 610000 Patentee before: Wisdom Ltd. |
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