With the continuous advancement of society and the continuous development of science and technology, people are more and more concerned about the earth on which we depend. Most countries in the world are fully aware of the importance of the environment to our human development. Countries are taking active and effective measures to improve the environment and reduce pollution. The most important and most pressing issue is the energy issue. To solve the energy problem fundamentally, in addition to finding new energy sources, energy conservation is the key and the most direct and effective important measure. In recent years, through efforts, people are Great achievements have been made in the research and product development of energy-saving technologies. This article introduces 10 typical energy-saving cases for your reference.
Light-emitting dimming energy-saving design scheme based on digital voltage dividerThis application note describes how to implement PWM dimming control using a low cost digital voltage divider. The design uses a similar up/down control button in the cellular phone, which eliminates the need for a microprocessor and reduces the cost by using the familiar up/down control functions. The use of mechanical voltage dividers for dimming the lights is not only inefficient but also has durability issues. This design uses digital voltage dividers to increase efficiency and save power.
DIY smart home: AVR-based intelligent energy-saving plug-in system solutionIn line with the principle of energy saving and emission reduction, this design will improve the ordinary plug-in into an intelligent plug-in. It also has a time-of-day display, power recording (including daily power consumption, monthly power consumption) and real-time power display function in addition to timed on and off and automatic on and off of external devices. Under the condition that the hardware is not increased, more functions are realized, and the cost performance of the device is improved.
This paper designs an automatic energy-saving switch for infrared call power-off, which uses two relays in series to realize the call power-off function, and uses the LM324 chip to process the infrared sensing signal, making the switch smaller in size and lower in cost; filling the domestic field in this field The blank, responding to the call for energy conservation. This kind of switch can be used in students' bedrooms, homes and other places.
Energy-saving circulating pump controllerPMSM vector control speed control system based on sensorless technology is simple in structure, easy to maintain, small in size and low in cost. It can be applied to some special occasions. This paper is based on the application of sliding mode observer in position sensorless motor control system. Start the discussion and give the corresponding hardware and software implementation of the sensorless system.
Design of New High Performance Energy Saving Lamp Ballast Circuit Based on FAN7710VElectronic energy-saving lamps mainly refer to compact fluorescent lamps (CFLs) using electronic ballasts. Ballasts and energy-saving lamps are integrated, making it easy to install and replace incandescent bulbs. The basic requirements of the electronic energy-saving lamp for the ballast are: the circuit is as simple as possible, the number of components is small, the cost is low, the performance is stable, safe and reliable, and the service life is long.
Design of programmable energy-efficient power supply for intelligent access controlThis paper proposes a power supply circuit model that utilizes the host to participate in power supply management to enable intelligent access control to automatically enter hibernation. The model is characterized by the integration of “power supply and hostâ€, which enables the system to use electricity to realize all-round software control. In actual use, substantial energy-saving effects can be obtained. The research content of the model includes the power supply mechanism initiated by the user key, the host replaces the user key to maintain the system power supply and the system is powered off by the host, and the system partition power supply mechanism of the software control F.
Design and implementation scheme of street lamp energy-saving monitoring systemIn this paper, the high-brightness LED is used as the street lamp core device, and the street lamp monitoring system is designed. The GPRS data transmission is carried out by the host and the host computer after collecting the street lamp current and voltage from the single-chip microcomputer, thereby achieving the purpose of “remote control, telemetry, and remote communicationâ€.
Energy-saving control of residential water supply system based on ARMThe system makes the pump theory and hydrodynamics into an expert system. Through the collection of the pressure and flow of the pump outlet, the operating point of the system is given in real time by the expert system, and then the system is stabilized by the fuzzy PID control. At the working point. At the same time, the system also has fault alarm, conventional PLC start and stop logic control, CAN communication, and communication with the host computer. The upper computer uses VB to write the application program to complete the monitoring of the lower computer.
An FPGA Implementation of Energy-Saving Scalable Asynchronous FIFOThis paper proposes an FPGA design that is more energy-efficient and can be applied to high-speed applications. At the same time, this paper proposes an improved Gray code binary code conversion structure. Based on this, the existing digital clock management module of Xilinx FPGA chip is used to realize energy saving. Improve. The structure proposed in this paper does not depend on existing IP cores, and it is easy to build its own IP core. In practical applications, data transmission via FPGA and DSP can work in the read/write clock domain of up to 100/153.6 MHz.
Intelligent energy-saving street lamp design
This paper designs such a high-efficiency intelligent energy-saving street lamp. LED is used as street lighting. When someone or vehicle passes, the control street light automatically controls to turn on the street light or enhance the brightness of the street light. When no one or vehicle passes after a period of time, the street light is turned off or the brightness of the street light is turned off after automatic delay.
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