CN207967608U - Distribution terminal based on NFC function - Google Patents
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- CN207967608U CN207967608U CN201820416703.6U CN201820416703U CN207967608U CN 207967608 U CN207967608 U CN 207967608U CN 201820416703 U CN201820416703 U CN 201820416703U CN 207967608 U CN207967608 U CN 207967608U
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Abstract
Description
技术领域technical field
本实用新型涉及配电终端设备的信息采集和信息处理领域，是涉及一种基于NFC功能的配电终端。The utility model relates to the field of information collection and information processing of power distribution terminal equipment, and relates to a power distribution terminal based on the NFC function.
背景技术Background technique
配电终端配合环网柜和柱上开关广泛应用于供配电线路上，起到对供配电线路的运行监视和对故障线路的快速判断、定位、隔离和恢复供电的作用，在电力系统供配电中得到广泛应用。Power distribution terminals are widely used in power supply and distribution lines in conjunction with ring network cabinets and pole-mounted switches to monitor the operation of power supply and distribution lines and quickly judge, locate, isolate and restore power supply to faulty lines. Widely used in power supply and distribution.
当配电线路发生故障时，配电终端将采集到的数据信息和故障信息通过通信协议上传到主站系统，同时在当地面板上也会显示(液晶和指示灯)和调取(通信接口)，方便远方和就地运维人员查找和分析故障。然而，当线路发生故障导致停电或线路因长时间检修在停电情况下，配电终端失去主电源的同时后备电源也会逐渐耗尽，此时，配电终端因没有电源无法正常工作、显示和调取采集到的数据信息和故障信息，运维人员无法查找配电线路的数据信息和故障原因，导致分析故障和排除故障困难。延长了停电时间，在此情况下供电可靠性无从保证。When the power distribution line fails, the power distribution terminal will upload the collected data information and fault information to the main station system through the communication protocol, and at the same time, it will also display (LCD and indicator light) and call (communication interface) on the local panel , to facilitate remote and local operation and maintenance personnel to find and analyze faults. However, when the line fails and causes a power outage or the line is in a power outage due to long-term maintenance, the power distribution terminal loses the main power supply and the backup power supply will gradually run out. Retrieving the collected data information and fault information, the operation and maintenance personnel cannot find the data information and fault causes of the distribution line, which makes it difficult to analyze and troubleshoot faults. The power outage time is prolonged, and the reliability of power supply cannot be guaranteed in this case.
实用新型内容Utility model content
针对上述现有技术中的不足，本实用新型提供一种方便维修人员快速的分析故障和排除故障，缩短停电时间，提高供电的可靠性的基于NFC功能的配电终端。Aiming at the deficiencies in the above-mentioned prior art, the utility model provides a power distribution terminal based on NFC function, which is convenient for maintenance personnel to quickly analyze and troubleshoot faults, shorten the power outage time, and improve the reliability of power supply.
本实用新型所采取的技术方案是：The technical scheme that the utility model takes is:
一种基于NFC功能的配电终端，包括配电终端前面板和配电终端后面板：配电终端前面板采用不锈钢外壳，防护等级高，操作、显示和通信接口均布置在前面板上。A power distribution terminal based on NFC function, including the front panel of the power distribution terminal and the rear panel of the power distribution terminal: the front panel of the power distribution terminal adopts a stainless steel shell with high protection level, and the operation, display and communication interfaces are all arranged on the front panel.
配电终端前面板设置有液晶显示屏：液晶显示屏为人机交互界面，实时显示配电终端采集的数据信息、故障信息及定值整定值。The front panel of the power distribution terminal is equipped with a liquid crystal display: the liquid crystal display is a human-computer interaction interface, which displays the data information, fault information and fixed value set values collected by the power distribution terminal in real time.
配电终端前面板设置有指示灯和通信接口6和操作按键7：The front panel of the power distribution terminal is provided with indicator lights, communication interface 6 and operation buttons 7:
配电终端内部设置有SIM卡烧写器，液晶显示屏下端设置有SIM卡，SIM卡与配电终端内部烧写器正对。一定时间内的数据信息和故障信息保存在SIM上。A SIM card programmer is installed inside the power distribution terminal, and a SIM card is installed at the lower end of the liquid crystal display, and the SIM card is directly opposite to the programmer inside the power distribution terminal. Data information and fault information within a certain period of time are stored on the SIM.
所述配电终端后面板设置有接线端子，接线端子包括模拟量接线端子排、状态量接线端子端、控制量输出接线端子排及电源接线端子排。The rear panel of the power distribution terminal is provided with connection terminals, and the connection terminals include an analog quantity connection terminal block, a state quantity connection terminal end, a control quantity output connection terminal block and a power supply connection terminal block.
所述指示灯包含状态指示灯、电源指示灯、通信指示灯、故障指示灯、运行指示灯、自检指示灯。The indicator lights include a status indicator light, a power indicator light, a communication indicator light, a fault indicator light, a running indicator light, and a self-test indicator light.
所述通信接口包含USB维护接口和RJ45以太网接口。The communication interface includes a USB maintenance interface and an RJ45 Ethernet interface.
所述操作按键包含向上操作按键、向下操作按键、向左操作按键、向右操作按键，取消操作按键、确定操作按键。The operation buttons include an up operation button, a down operation button, a left operation button, a right operation button, a cancel operation button, and a confirm operation button.
配电终端前面板设置有红外线传感器，红外线传感器与配电终端中央处理器相连接；The front panel of the power distribution terminal is provided with an infrared sensor, and the infrared sensor is connected to the central processing unit of the power distribution terminal;
操作按键内设置有发光二极管，发光二极管与配电终端中央处理器相连接。A light-emitting diode is arranged in the operation button, and the light-emitting diode is connected with the central processing unit of the power distribution terminal.
一种基于NFC功能的配电终端的控制系统，A control system for power distribution terminals based on NFC function,
包括中央处理器，中央处理器与数字量输入端、模拟量输入端、控制量输入端、通讯模块、显示输出装置和电源相连接；Including the central processing unit, the central processing unit is connected with the digital input terminal, the analog input terminal, the control input terminal, the communication module, the display output device and the power supply;
中央处理器通过光耦隔离电路与通讯模块相连接；The central processing unit is connected with the communication module through an optocoupler isolation circuit;
中央处理器通过光耦隔离电路与显示输出装置相连接；The central processing unit is connected with the display output device through an optocoupler isolation circuit;
SIM卡烧写器与中央处理器I/O口相连接；The SIM card burner is connected to the central processing unit I/O port;
SIM卡烧写器通过无线与SIM接入；The SIM card writer is connected to the SIM through wireless;
SIM卡烧写器将一定时间内的数据信息和故障信息烧写在SIM上；The SIM card writer burns the data information and fault information within a certain period of time on the SIM;
运维人员到达现场，通过具备NFC功能的手机贴近配电终端SIM区，即可读取配电终端保存在SIM卡上的数据信息和故障信息。When the operation and maintenance personnel arrive at the scene, they can read the data information and fault information stored on the SIM card of the power distribution terminal through the mobile phone with NFC function close to the SIM area of the power distribution terminal.
一种基于NFC功能的配电终端的控制系统，A control system for power distribution terminals based on NFC function,
红外线传感器探测人体发出的红外线后，将信号传输给配电终端中央处理器；After the infrared sensor detects the infrared rays emitted by the human body, it transmits the signal to the central processing unit of the power distribution terminal;
配电终端中央处理器发出信号，显示屏、操作按键内发光二极管和指示灯接通电源；The central processor of the power distribution terminal sends out a signal, and the display screen, the light-emitting diodes and the indicator lights in the operation buttons are powered on;
红外线传感器探测到的人体发出的红外线消失，将信号传输给配电终端中央处理器；The infrared rays emitted by the human body detected by the infrared sensor disappear, and the signal is transmitted to the central processing unit of the power distribution terminal;
配电终端中央处理器发出信号，切断显示屏、操作按键内发光二极管和指示灯电源。The central processing unit of the power distribution terminal sends a signal to cut off the power supply of the display screen, the light-emitting diodes and the indicator lights in the operation buttons.
本实用新型相对现有技术的有益效果：The utility model has the beneficial effects relative to the prior art:
本实用新型基于NFC功能的配电终端，三遥(监测与控制)、继电保护、馈线自动化、定值整定、通信、后备电源等，增加NFC功能。The utility model is based on the power distribution terminal with NFC function, three remotes (monitoring and control), relay protection, feeder automation, fixed value setting, communication, backup power supply, etc., and NFC function is added.
在配电终端面板上嵌入具有NFC功能的SIM卡，同时，配电终端内嵌入SIM卡烧写器，与配电终端CPU相接，配电终端将一定时间内(可设置，如1小时内)的数据信息和故障信息通过SIM卡烧写器保存在SIM卡上，当配电终端失去主电源的同时后备电源逐渐耗尽后，SIM卡上保存有一定时间内的数据信息和故障信息，即使在无电的情况下，运维人员到达现场，通过具备NFC功能的手机贴近配电终端SIM区，即可读取配电终端保存在SIM卡上的数据信息和故障信息，此时配电终端无需电源。方便运维人员快速的分析故障和排除故障，缩短停电时间，提高供电的可靠性。A SIM card with NFC function is embedded on the panel of the power distribution terminal. At the same time, a SIM card programmer is embedded in the power distribution terminal to connect with the CPU of the power distribution terminal. ) data information and fault information are saved on the SIM card through the SIM card writer. When the power distribution terminal loses the main power supply and the backup power supply is gradually exhausted, the data information and fault information for a certain period of time are stored on the SIM card. Even in the absence of electricity, when the operation and maintenance personnel arrive at the scene, they can read the data information and fault information stored on the SIM card of the power distribution terminal through the mobile phone with NFC function close to the SIM area of the power distribution terminal. The terminal does not require power. It is convenient for operation and maintenance personnel to quickly analyze and troubleshoot faults, shorten the power outage time, and improve the reliability of power supply.
本实用新型基于NFC功能的配电终端，为无人值守设备，只有维修人员到达现场后，显示屏、操作按键内发光二极管和指示灯才会接通电源，降低了电量消耗，当供电系统故障时，延长系统工作时间，可以保持设备最后一次实时数据的图像、故障信息图像不丢失，提高维修人员故障诊断速度。The power distribution terminal based on the NFC function of the utility model is an unattended device. Only after the maintenance personnel arrive at the scene, the light-emitting diodes and indicator lights in the display screen and operation buttons will be powered on, which reduces power consumption. When the power supply system fails When the working time of the system is extended, the image of the last real-time data of the equipment and the image of the fault information will not be lost, and the speed of fault diagnosis of maintenance personnel will be improved.
附图说明Description of drawings
图1是本实用新型基于NFC功能的配电终端结构示意图；Fig. 1 is a schematic diagram of the structure of the power distribution terminal based on the NFC function of the present invention;
图2是本实用新型基于NFC功能的配电终端硬件原理示意图。Fig. 2 is a schematic diagram of the hardware principle of the power distribution terminal based on the NFC function of the present invention.
附图中主要部件符号说明：Explanation of symbols of main components in the accompanying drawings:
1、配电终端前面板 2：配电终端后面板1. Front panel of power distribution terminal 2: Rear panel of power distribution terminal
3、液晶显示屏 4、SIM卡3. LCD screen 4. SIM card
5、指示灯 6、通信接口5. Indicator light 6. Communication interface
7、操作按键。7. Operation buttons.
具体实施方式Detailed ways
以下参照附图及实施例对本实用新型进行详细的说明：The utility model is described in detail below with reference to accompanying drawing and embodiment:
附图1-2可知，一种基于NFC功能的配电终端，包括配电终端前面板1和配电终端后面板2：配电终端前面板采用不锈钢外壳，防护等级高，操作、显示和通信接口均布置在前面板上。As can be seen from Figure 1-2, a power distribution terminal based on the NFC function includes a power distribution terminal front panel 1 and a power distribution terminal rear panel 2: the power distribution terminal front panel adopts a stainless steel shell with a high protection level, and is easy to operate, display and communicate. The interfaces are arranged on the front panel.
配电终端前面板设置有液晶显示屏3：液晶显示屏3为人机交互界面，实时显示配电终端采集的数据信息、故障信息及定值整定值。The front panel of the power distribution terminal is provided with a liquid crystal display 3: the liquid crystal display 3 is a human-computer interaction interface, which displays the data information, fault information and fixed values collected by the power distribution terminal in real time.
配电终端前面板设置有指示灯5和通信接口6和操作按键7：The front panel of the power distribution terminal is provided with an indicator light 5, a communication interface 6 and an operation button 7:
配电终端内部设置有SIM卡烧写器，液晶显示屏下端设置有SIM卡4，SIM卡4与配电终端内部烧写器正对。一定时间内的数据信息和故障信息保存在SIM上。A SIM card writer is installed inside the power distribution terminal, and a SIM card 4 is arranged at the lower end of the liquid crystal display, and the SIM card 4 is directly opposite to the programmer inside the power distribution terminal. Data information and fault information within a certain period of time are stored on the SIM.
所述配电终端后面板设置有接线端子，接线端子包括模拟量接线端子排、状态量接线端子端、控制量输出接线端子排及电源接线端子排。The rear panel of the power distribution terminal is provided with connection terminals, and the connection terminals include an analog quantity connection terminal block, a state quantity connection terminal end, a control quantity output connection terminal block and a power supply connection terminal block.
所述指示灯5包含状态指示灯、电源指示灯、通信指示灯、故障指示灯、运行指示灯、自检指示灯。The indicator lights 5 include a status indicator light, a power indicator light, a communication indicator light, a fault indicator light, a running indicator light, and a self-check indicator light.
所述通信接口6包含USB维护接口和RJ45以太网接口。The communication interface 6 includes a USB maintenance interface and an RJ45 Ethernet interface.
所述操作按键7包含向上操作按键、向下操作按键、向左操作按键、向右操作按键，取消操作按键、确定操作按键。The operation buttons 7 include an up operation button, a down operation button, a left operation button, a right operation button, a cancel operation button, and a confirm operation button.
配电终端前面板设置有红外线传感器，红外线传感器与配电终端中央处理器相连接；The front panel of the power distribution terminal is provided with an infrared sensor, and the infrared sensor is connected to the central processing unit of the power distribution terminal;
操作按键内设置有发光二极管，发光二极管与配电终端中央处理器相连接。A light-emitting diode is arranged in the operation button, and the light-emitting diode is connected with the central processing unit of the power distribution terminal.
一种基于NFC功能的配电终端的控制系统，A control system for power distribution terminals based on NFC function,
包括中央处理器，中央处理器与数字量输入端、模拟量输入端、控制量输入端、通讯模块、显示输出装置和电源相连接；Including the central processing unit, the central processing unit is connected with the digital input terminal, the analog input terminal, the control input terminal, the communication module, the display output device and the power supply;
中央处理器通过光耦隔离电路与通讯模块相连接；The central processing unit is connected with the communication module through an optocoupler isolation circuit;
中央处理器通过光耦隔离电路与显示输出装置相连接；The central processing unit is connected with the display output device through an optocoupler isolation circuit;
SIM卡烧写器与中央处理器I/O口相连接；The SIM card burner is connected to the central processing unit I/O port;
SIM卡烧写器通过无线与SIM接入；The SIM card writer is connected to the SIM through wireless;
SIM卡烧写器将一定时间内的数据信息和故障信息烧写在SIM上；The SIM card writer burns the data information and fault information within a certain period of time on the SIM;
运维人员到达现场，通过具备NFC功能的手机贴近配电终端SIM区，即可读取配电终端保存在SIM卡上的数据信息和故障信息。When the operation and maintenance personnel arrive at the scene, they can read the data information and fault information stored on the SIM card of the power distribution terminal through the mobile phone with NFC function close to the SIM area of the power distribution terminal.
一种基于NFC功能的配电终端的控制系统，A control system for power distribution terminals based on NFC function,
红外线传感器8探测人体发出的红外线后，将信号传输给配电终端中央处理器；After the infrared sensor 8 detects the infrared rays emitted by the human body, the signal is transmitted to the central processing unit of the power distribution terminal;
配电终端中央处理器发出信号，显示屏、操作按键内发光二极管和指示灯接通电源；The central processor of the power distribution terminal sends out a signal, and the display screen, the light-emitting diodes and the indicator lights in the operation buttons are powered on;
红外线传感器探测到的人体发出的红外线消失，将信号传输给配电终端中央处理器；The infrared rays emitted by the human body detected by the infrared sensor disappear, and the signal is transmitted to the central processing unit of the power distribution terminal;
配电终端中央处理器发出信号，切断显示屏、操作按键内发光二极管和指示灯电源。The central processing unit of the power distribution terminal sends a signal to cut off the power supply of the display screen, the light-emitting diodes and the indicator lights in the operation buttons.
本实用新型基于NFC功能的配电终端，三遥(监测与控制)、继电保护、馈线自动化、定值整定、通信、后备电源等，增加NFC功能。The utility model is based on the power distribution terminal with NFC function, three remotes (monitoring and control), relay protection, feeder automation, fixed value setting, communication, backup power supply, etc., and NFC function is added.
在配电终端面板上嵌入具有NFC功能的SIM卡，同时，配电终端内嵌入SIM卡烧写器，与配电终端CPU相接，配电终端将一定时间内(可设置，如1小时内)的数据信息和故障信息通过SIM卡烧写器保存在SIM卡上，当配电终端失去主电源的同时后备电源逐渐耗尽后，SIM卡上保存有一定时间内的数据信息和故障信息，即使在无电的情况下，运维人员到达现场，通过具备NFC功能的手机贴近配电终端SIM区，即可读取配电终端保存在SIM卡上的数据信息和故障信息，此时配电终端无需电源。方便运维人员快速的分析故障和排除故障，缩短停电时间，提高供电的可靠性。A SIM card with NFC function is embedded on the panel of the power distribution terminal. At the same time, a SIM card programmer is embedded in the power distribution terminal to connect with the CPU of the power distribution terminal. ) data information and fault information are saved on the SIM card through the SIM card writer. When the power distribution terminal loses the main power supply and the backup power supply is gradually exhausted, the data information and fault information for a certain period of time are stored on the SIM card. Even in the absence of electricity, when the operation and maintenance personnel arrive at the scene, they can read the data information and fault information stored on the SIM card of the power distribution terminal through the mobile phone with NFC function close to the SIM area of the power distribution terminal. The terminal does not require power. It is convenient for operation and maintenance personnel to quickly analyze and troubleshoot faults, shorten the power outage time, and improve the reliability of power supply.
本实用新型基于NFC功能的配电终端，为无人值守设备，只有维修人员到达现场后，显示屏、操作按键内发光二极管和指示灯才会接通电源，降低了电量消耗，当供电系统故障时，延长系统工作时间，可以保持设备最后一次实时数据的图像、故障信息图像不丢失，提高维修人员故障诊断速度。The power distribution terminal based on the NFC function of the utility model is an unattended device. Only after the maintenance personnel arrive at the scene, the light-emitting diodes and indicator lights in the display screen and operation buttons will be powered on, which reduces power consumption. When the power supply system fails When the working time of the system is extended, the image of the last real-time data of the equipment and the image of the fault information will not be lost, and the speed of fault diagnosis of maintenance personnel will be improved.
附图说明Description of drawings
图1为本实用新型实施例的基于NFC功能的配电终端结构示意图；包括：Fig. 1 is a schematic structural diagram of a power distribution terminal based on an NFC function according to an embodiment of the present invention; including:
配电终端前面板1：采用不锈钢外壳，防护等级高，操作、显示和通信接口均布置在前面板上。Front panel 1 of the power distribution terminal: It adopts a stainless steel shell with high protection level, and the operation, display and communication interfaces are all arranged on the front panel.
配电终端后面板2：主要为接线端子，包括模拟量接线端子排、状态量接线端子端、控制量输出接线端子排及电源接线端子排等。Rear panel 2 of the power distribution terminal: mainly for connection terminals, including analog quantity connection terminal block, state quantity connection terminal end, control quantity output connection terminal block and power supply connection terminal block, etc.
液晶显示屏3：人机交互界面，实时显示配电终端采集的数据信息、故障信息及定值整定值等。LCD screen 3: Human-computer interaction interface, real-time display of data information collected by power distribution terminals, fault information and fixed value setting values, etc.
SIM卡4：在液晶显示屏下端，与配电终端内部烧写器正对，一定时间内的数据信息和故障信息保存在SIM上。SIM card 4: At the lower end of the LCD screen, it is directly opposite to the internal burner of the power distribution terminal, and the data information and fault information within a certain period of time are saved on the SIM.
指示灯5：包含状态指示灯、电源指示灯、通信指示灯、故障指示灯、运行指示灯、自检指示灯等。Indicator light 5: including status indicator light, power indicator light, communication indicator light, fault indicator light, running indicator light, self-test indicator light, etc.
通信接口6：包含USB维护接口和RJ45以太网接口。Communication interface 6: including USB maintenance interface and RJ45 Ethernet interface.
操作按键7：包含“上、下、左、右，取消、确定”操作按键。Operation button 7: Including "up, down, left, right, cancel, confirm" operation buttons.
图2为本实用新型实施例的基于NFC功能的配电终端硬件原理示意图，CPU采用型号为STM32f407VG的DSC芯片，芯片的内部资源很多，存储容量大，价格便宜，ARM芯片有无线通信接口、以太网通信接口，也能产生PWM波，能快速处理和输出模拟量、数字量、控制信号、报警信号。对控制信号、报警信号输出增加TLP112光耦隔离，保证输出信号的稳定性和抗干扰性。采取宏电公司的H7710系列通信模块，监控终端既能通过GPRS通信方式与主站之间交换数据，又能通过GSM通信方式把报警信号发送给用户手机。同时具有RS232/RS485当地通信及维护接口。Figure 2 is a schematic diagram of the hardware principle of the power distribution terminal based on the NFC function of the embodiment of the present invention. The CPU adopts a DSC chip of the model STM32f407VG. The internal resources of the chip are many, the storage capacity is large, and the price is cheap. The network communication interface can also generate PWM waves, and can quickly process and output analog quantities, digital quantities, control signals, and alarm signals. Add TLP112 optocoupler isolation to the control signal and alarm signal output to ensure the stability and anti-interference of the output signal. Using the H7710 series communication module of Hongdian Company, the monitoring terminal can not only exchange data with the main station through GPRS communication, but also send alarm signals to the user's mobile phone through GSM communication. At the same time, it has RS232/RS485 local communication and maintenance interface.
SIM卡烧写器采用Watchdata的W5182，上行与CPU的I/O口相接，下行通过无线与SIM接入，将一定时间内(可设置)的数据信息和故障信息烧写在SIM上，如最近一小时内的数据信息和故障信息，循环存储，存储数据达到一小时后，覆盖上一次一小时的数据信息和故障信息。SIM卡烧写器所需的DC12V电源由电源模块统一供电。即使在线路停电，后备电源耗尽后，SIM上也保存一定时间内的数据信息和故障信息，运维人员到达现场，通过具备NFC功能的手机贴近配电终端SIM区，即可读取配电终端保存在SIM卡上的数据信息和故障信息，此时配电终端无需电源。The SIM card burner adopts W5182 of Watchdata, which is connected to the I/O port of the CPU in the uplink, and connected to the SIM through wireless in the downlink, and writes the data information and fault information within a certain period of time (configurable) on the SIM, such as The data information and fault information in the last hour are stored circularly. After the stored data reaches one hour, the data information and fault information of the previous hour will be overwritten. The DC12V power supply required by the SIM card writer is uniformly powered by the power module. Even if the line is powered off and the backup power is exhausted, the data information and fault information will be saved on the SIM for a certain period of time. When the operation and maintenance personnel arrive at the scene, they can read the power distribution terminal by approaching the SIM area of the power distribution terminal with a mobile phone with NFC function. The terminal saves the data information and fault information on the SIM card, and the power distribution terminal does not need a power supply at this time.
以上所述，仅是本实用新型的较佳实施例而已，并非对本实用新型的结构作任何形式上的限制。凡是依据本实用新型的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均属于本实用新型的技术方案范围内。The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the structure of the present utility model in any form. All simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model all belong to the scope of the technical solutions of the present utility model.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108462035A (en) * | 2018-03-27 | 2018-08-28 | 北京合锐清合电气有限公司 | Distribution terminal based on NFC function and control system |
| CN109449777A (en) * | 2018-12-11 | 2019-03-08 | 北京迈驰电气技术有限公司 | A kind of ring network cabinet control box and operating method |
| CN109639117A (en) * | 2019-01-20 | 2019-04-16 | 武汉麦迪嘉机电科技有限公司 | Wireless remote monitering frequency converter |
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2018
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108462035A (en) * | 2018-03-27 | 2018-08-28 | 北京合锐清合电气有限公司 | Distribution terminal based on NFC function and control system |
| CN109449777A (en) * | 2018-12-11 | 2019-03-08 | 北京迈驰电气技术有限公司 | A kind of ring network cabinet control box and operating method |
| CN109639117A (en) * | 2019-01-20 | 2019-04-16 | 武汉麦迪嘉机电科技有限公司 | Wireless remote monitering frequency converter |
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