CN213814360U - Low-voltage energy consumption sensing system based on Internet of things technology - Google Patents
Low-voltage energy consumption sensing system based on Internet of things technology Download PDFInfo
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- CN213814360U CN213814360U CN202023011307.1U CN202023011307U CN213814360U CN 213814360 U CN213814360 U CN 213814360U CN 202023011307 U CN202023011307 U CN 202023011307U CN 213814360 U CN213814360 U CN 213814360U
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Abstract
本实用新型揭示了一种基于物联网技术的低压用能感知系统，电源管理模块输入端连接市电，输出端连接低压用电负载，其特征在于：所述电源管理模块的输入端连接有电能计量模块，所述电能计量模块连接MCU模块并将计量信号输送至MCU模块，所述MCU模块连接时钟模块获取时钟信息，所述MCU模块连接无线模块并通过无线模块与云服务器通信。本实用新型基于物联网技术的低压用能感知系统不仅能够实现实时的用能监测和分析，还能辅助家庭住户远程遥控用电设备，降低电器使用的风险程度，进一步提升智能电网用电侧的稳定运行。
The utility model discloses a low-voltage energy consumption sensing system based on the Internet of Things technology. An input end of a power management module is connected to commercial power, and an output end is connected to a low-voltage electric load. The utility model is characterized in that: the input end of the power management module is connected with electric energy. The metering module is connected to the MCU module and transmits the metering signal to the MCU module, the MCU module is connected to the clock module to obtain clock information, and the MCU module is connected to the wireless module and communicates with the cloud server through the wireless module. The low-voltage energy consumption sensing system based on the Internet of Things technology of the utility model can not only realize real-time energy consumption monitoring and analysis, but also assist household households to remotely control electrical equipment, reduce the risk degree of electrical appliances, and further improve the power consumption of the smart grid. Stable operation.
Description
Technical Field
The utility model relates to a low pressure user synthesizes and uses ability perception and analytic technique, especially relates to application fields such as electric power system engineering and smart power grids construction.
Background
In daily life, the household environment is a necessary device such as household appliances, which is a typical representative responsible for electricity consumption. Monitoring and analyzing the electricity parameters of the household appliances are necessary measures for knowing the working conditions of the household appliances and ensuring the stable operation of the power supply side. In the prior art, people mostly adopt the intelligent metering ammeter to read the total household electric quantity, and the main characteristics are that the total electric quantity consumed by the household appliances can only be checked once, the energy consumption condition of each electric appliance can not be clearly known, and meanwhile, the electric energy overload of the electric equipment can not be timely pre-warned, so that the equipment aging can be easily ignored, safety accidents occur, and harmony coexistence of people and residences is not facilitated. In the household appliances connected to the low-voltage power grid side, the loads such as the electric fan or the humidifier with low power consumption, the refrigerator with high power consumption, the air conditioner and the like are various in types and distributed everywhere, which indicates that different devices have different power consumption requirements and can generate different energy consumption. Meanwhile, remote control of abnormal electric equipment is needed to be achieved, and misdetection is prevented. The common intelligent electric meter is single in function, low in integration and short of certain accuracy, and technical problems are brought to energy utilization management of the low-voltage power utilization side of the intelligent power grid.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that realize a system that can monitor and manage the actual energy consumption condition of smart power grids low pressure power consumption side.
In order to realize the purpose, the utility model discloses a technical scheme be: the utility model provides an ability perception system is used to low pressure based on internet of things, the commercial power is connected to power management module input, and the low pressure power consumption load is connected to the output, power management module's input is connected with electric energy metering module, electric energy metering module connects the MCU module and carries the metering signal to the MCU module, the MCU module is connected clock module and is acquireed clock information, the MCU module is connected wireless module and is communicated with cloud ware through wireless module.
One of the low-voltage output ends of the power management module is connected with a power end of the electric energy metering module, a control end of the power management module is connected with a signal input end of the control module, and the signal input end of the control module is connected with the MCU module.
The wireless module is connected with the indoor Internet of things gateway and is communicated with the network base and the cloud server through the Internet of things gateway.
The cloud server is communicated with the background monitoring center and the mobile terminal through the internet, and the mobile terminal is communicated with the indoor internet of things gateway through the network base station.
The utility model discloses low pressure can the perception system not only can realize real-time with ability monitoring and analysis based on internet of things, can also assist the household remote control consumer of family, reduces the risk degree that electrical apparatus used, further promotes the steady operation of smart power grids power consumption side.
Drawings
The following is a brief description of the contents expressed by each figure in the specification of the present invention:
FIG. 1 is a hardware schematic diagram of a low-voltage energy consumption sensing system based on the technology of the Internet of things;
fig. 2 is a low-voltage energy sensing system architecture diagram based on the internet of things technology.
Detailed Description
The following description of the embodiments with reference to the drawings is provided to explain the embodiments of the present invention in further detail, such as the shapes and structures of the components, the mutual positions and connection relationships among the components, the functions and working principles of the components, the manufacturing process, and the operation and use method, etc., so as to help those skilled in the art to understand the concept and technical solutions of the present invention more completely, accurately and deeply.
The low-voltage energy consumption sensing system based on the internet of things technology is composed of an electric energy metering module (divided into 10A and 16A), a cloud server, a WEB side management platform (background monitoring center) and a mobile side (mobile APP).
The electric energy metering module is provided with a plurality of electric energy metering modules as required, each is independent controlling means, be equipped with power management module in the electric energy metering module, the commercial power is connected to power management module input, the low pressure power consumption load is connected to the output, power management module's input is connected with electric energy metering module, electric energy metering module connects the MCU module and carries the metering signal to the MCU module, the MCU module is connected clock module and is acquireed clock information, the MCU module is connected wireless module and is passed through wireless module and cloud server communication. When the electric energy metering module works, the MCU module obtains parameters such as instantaneous voltage, current and the like of the electric equipment from the electric energy metering module, and obtains a current clock signal from the clock module. Meanwhile, the data are uploaded to a cloud server through a WIFI module for data analysis and backup viewing, and are displayed on pages of app and web for managers to look up in real time. At the user side, the user accessible removes APP button direct operation or sets up regularly automatic operation for MCU module control relay accomplishes the closure and cuts off the action, thereby the switching of control socket hole power realizes user remote control domestic appliance equipment's function.
The following detailed description of the various parts of the power metering module follows:
the MCU module: a main control module adopts a single chip microcomputer of stm32f103rct6 model as a control center. The single chip microcomputer has the advantages of high response speed, low power consumption and sufficient storage space of the RAM and the ROM in the single chip microcomputer, and can meet the requirements of data transmission and storage of household equipment.
A power management module: the socket mainly realizes the purpose of switching the power grid voltage to the equipment power voltage, such as 220V/380V, and simultaneously converts the 220V alternating voltage into the power supply voltage of each hardware system module, such as 12V,5V, 3.3V and the like.
Electric energy metering module: the module takes an alternating current and direct current electric energy metering chip as a core and is used for collecting real-time voltage and current of electric equipment and obtaining electric power and energy consumption through intelligent analysis and processing of a background server.
A wireless module: the module realizes data communication between the monitoring terminal and the background and the issuing of the control command by the upper computer.
From the system overall view, firstly, the electric energy metering module is used as a monitoring terminal to be installed at a low-voltage power connection part of the household equipment, so that the electric energy metering module is connected with the equipment in an abutting mode. And then powering on the power information processing unit to start running. Meanwhile, a background monitoring platform station is built, comprises a large screen and a host, and is connected with a WEB end platform and a cloud server through a wire harness. And then, a communication base station is built, signals can be ensured to cover the whole terminal and the background center, and a wireless communication network is built. Finally, all sub-modules in the system are connected together to form a complete closed-loop low-voltage energy consumption monitoring system.
Under the whole system framework, the key point of the utility model, namely the installation implementation flow of the information processing unit, is roughly as follows. Firstly, one end of the power management module is connected to 220V alternating current on the low-voltage side of a power grid, and the other end of the power management module outputs an electric load and converts the voltage into 12V,5V and 3.3V respectively to supply power to each module. The MCU is connected with the module through the control unit to complete the issuing of the instruction. And secondly, the electric energy metering module is powered by a power management module from 220V to 12V, a V + interface of the metering module is connected with a 12V interface, a V-interface is connected with a power ground, and a chip of the metering module is respectively connected with a 3.3V power supply and a power ground of a single chip microcomputer. Then, the PC14 and PC15 interfaces of the single chip microcomputer are respectively connected with an external crystal oscillator to form an oscillation circuit, a clock signal with a certain frequency is generated, and the single chip microcomputer is driven to operate orderly. Meanwhile, a PC14 interface (SWCLK) of the single chip microcomputer can be externally connected with other modules and used as an interface for outputting an internal clock. Finally, the wireless transmission module is mainly composed of an ESP8266 chip, wherein a power supply is connected with 3.3V power supply, GND is connected with a power ground, a Reset (RST) and an Enable (EN) are connected with a VCC port of the singlechip to provide a high level and an enable port, and an output port (ESP _ TXD) and an input port (ESP _ RXD) of the chip are respectively input and output with a serial port of the singlechip, namely: the PA3(UART _ RX) is connected with the PA2(UART _ TX) interface to complete the interaction of monitoring and collecting data.
The low-voltage energy consumption sensing system based on the internet of things technology can monitor the electricity consumption conditions of different devices on the low-voltage electricity consumption side of a power grid in real time, intelligently analyze electricity consumption data and simultaneously realize remote control on-off operation. Compare in traditional smart electric meter monitoring, its effect advantage lies in that the monitoring mode has had pertinence more, embodies intellectuality and integration characteristic to stable operation to smart power grids has played indirect guarantee effect.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.
Claims (4)
1. The utility model provides a low pressure is with ability perception system based on internet of things, commercial power is connected to power management module input, and low pressure power consumption load, its characterized in that are connected to the output: the input end of the power management module is connected with an electric energy metering module, the electric energy metering module is connected with the MCU module and transmits a metering signal to the MCU module, the MCU module is connected with the clock module to acquire clock information, and the MCU module is connected with the wireless module and is communicated with the cloud server through the wireless module.
2. The low-voltage energy consumption sensing system based on the internet of things technology as claimed in claim 1, wherein: one of the low-voltage output ends of the power management module is connected with a power end of the electric energy metering module, a control end of the power management module is connected with a signal input end of the control module, and the signal input end of the control module is connected with the MCU module.
3. The low-voltage energy consumption sensing system based on the internet of things technology as claimed in claim 1 or 2, wherein: the wireless module is connected with the indoor Internet of things gateway and is communicated with the network base and the cloud server through the Internet of things gateway.
4. The low-voltage energy consumption sensing system based on the Internet of things technology as claimed in claim 3, wherein: the cloud server is communicated with the background monitoring center and the mobile terminal through the internet, and the mobile terminal is communicated with the indoor internet of things gateway through the network base station.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112558526A (en) * | 2020-12-15 | 2021-03-26 | 国网安徽省电力有限公司芜湖供电公司 | Low-voltage energy consumption sensing system based on Internet of things technology and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112558526A (en) * | 2020-12-15 | 2021-03-26 | 国网安徽省电力有限公司芜湖供电公司 | Low-voltage energy consumption sensing system based on Internet of things technology and control method thereof |
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