无线遥控电暖器控制系统研究
发布时间：2019-06-21 01:45
【摘要】：电暖器因其具有体积小、升温快、无污染等特点成为冬季取暖的重要设备,随着人们生活水平的提高,对电暖器产品的性能要求也越来越高。而目前市面上的电暖器普遍采用几个档位功率调节的开环温度控制方式,存在控制方式单一、精度低、功耗大等缺点。针对这一问题,本文研究了电暖器控制系统的关键技术,提出了“主机+遥控器+测温器”三体结构的无线遥控电暖器控制系统的设计方案,在测温器上设置温度传感器准确反馈室温,实现了电暖器对室温的闭环控制。“主机+遥控器+测温器”三体结构的无线遥控电暖器控制系统以主机为核心完成定温、定时、预约加热等功能,配置遥控器以方便用户对主机进行设置操作,采用独立的测温器向主机反馈室温,实现了主机对室温的闭环准确控制。主机以热稳定性好、低功耗、高性能STC89C52单片机为核心,通过高速、远距离、低功耗无线射频模块nRF24L01实现与测温器和遥控器的可靠通信,采用JCM12864M液晶模块显示状态信息,根据设定的加热温度与反馈室温的差值,运用MGR-1 D4810固态继电器采用PWM方波脉宽调制实现加热功率的调节,从而实现对室温的闭环准确控制；遥控器选用具有掉电模式的低功耗STC15F2K60S2单片机作为控制核心,以0.96寸有机电激光显示器OLED12864作为人机界面,以节约遥控器的功耗；测温器上设置DS18B20温度传感器将检测的室温通过nRF24L01无线射频模块定时反馈至主机,采用数码管显示室温以提高显示亮度,同时具备简单的遥控功能。在软件设计上,结合系统功能特点采用合理的编程逻辑以降低系统的功耗,使用单片机C语言作为编程语言,利用Keil uVision4构建编程环境,实现系统的各个功能。经实验验证,“主机+遥控器+测温器”三体结构的电暖器控制系统设计方案实现了电暖器对室温的闭环准确控制,同时解决了反馈室温传感器设置于遥控器上的“主机+遥控器”两体结构方案中遥控器电池使用寿命较短的问题。本系统经反复调试,各部分通信良好,运行可靠,具有较好的应用前景和市场价值。
[Abstract]:Electric heater has become an important equipment for heating in winter because of its small volume, fast heating and no pollution. With the improvement of people's living standards, the performance requirements of electric heater products are getting higher and higher. At present, the open-loop temperature control mode of several gear power regulation is widely used in the electric heater on the market, which has some shortcomings, such as single control mode, low precision, high power consumption and so on. In order to solve this problem, this paper studies the key technology of the electric heater control system, and puts forward the design scheme of the wireless remote control heater control system with the three-body structure of the "host remote controller thermometer". The temperature sensor is set up on the thermometer to feed back the room temperature accurately, and the closed-loop control of the heater to the room temperature is realized. The wireless remote control heater control system with the three-body structure of "host remote controller" takes the host as the core to complete the functions of fixed temperature, timing, reservation heating and so on. The remote controller is configured to facilitate the user to set and operate the host computer. The independent thermometer is used to feed back the room temperature to the host computer, and the closed-loop and accurate control of the host to the room temperature is realized. The host computer is based on STC89C52 single chip microcomputer with good thermal stability, low power consumption and high performance, and realizes reliable communication with thermometer and remote controller through high speed, long distance and low power radio frequency module nRF24L01. JCM12864M liquid crystal module is used to display state information. According to the difference between set heating temperature and feedback room temperature, MGR-1 D4810 solid state relay adopts PWM square wave pulse width modulation to adjust heating power. Thus, the closed loop accurate control of room temperature can be realized. The remote controller selects the low power STC15F2K60S2 single chip microcomputer with power off mode as the control core, and uses 0.96 inch electromechanical laser display OLED12864 as the man-machine interface to save the power consumption of the remote controller. The DS18B20 temperature sensor is set up on the thermometer to feed back the detected room temperature to the host computer regularly through the nRF24L01 radio frequency module, and the digital tube is used to display the room temperature to improve the display brightness, and at the same time, it has a simple remote control function. In the software design, according to the functional characteristics of the system, reasonable programming logic is adopted to reduce the power consumption of the system. Single chip microcomputer C language is used as the programming language, and Keil uVision4 is used to construct the programming environment to realize the various functions of the system. The experimental results show that the design scheme of the electric heater control system with the three-body structure of the "host remote controller" realizes the closed-loop and accurate control of the electric heater to the room temperature, and solves the problem that the battery life of the remote controller is short in the two-body structure scheme of the "host remote controller" in which the feedback room temperature sensor is set on the remote control. After repeated debugging, each part of the system has good communication and reliable operation, and has a good application prospect and market value.
【学位授予单位】：大连理工大学
【学位级别】：硕士
【学位授予年份】：2016
【分类号】：TP872
本文编号：2503688
[Abstract]:Electric heater has become an important equipment for heating in winter because of its small volume, fast heating and no pollution. With the improvement of people's living standards, the performance requirements of electric heater products are getting higher and higher. At present, the open-loop temperature control mode of several gear power regulation is widely used in the electric heater on the market, which has some shortcomings, such as single control mode, low precision, high power consumption and so on. In order to solve this problem, this paper studies the key technology of the electric heater control system, and puts forward the design scheme of the wireless remote control heater control system with the three-body structure of the "host remote controller thermometer". The temperature sensor is set up on the thermometer to feed back the room temperature accurately, and the closed-loop control of the heater to the room temperature is realized. The wireless remote control heater control system with the three-body structure of "host remote controller" takes the host as the core to complete the functions of fixed temperature, timing, reservation heating and so on. The remote controller is configured to facilitate the user to set and operate the host computer. The independent thermometer is used to feed back the room temperature to the host computer, and the closed-loop and accurate control of the host to the room temperature is realized. The host computer is based on STC89C52 single chip microcomputer with good thermal stability, low power consumption and high performance, and realizes reliable communication with thermometer and remote controller through high speed, long distance and low power radio frequency module nRF24L01. JCM12864M liquid crystal module is used to display state information. According to the difference between set heating temperature and feedback room temperature, MGR-1 D4810 solid state relay adopts PWM square wave pulse width modulation to adjust heating power. Thus, the closed loop accurate control of room temperature can be realized. The remote controller selects the low power STC15F2K60S2 single chip microcomputer with power off mode as the control core, and uses 0.96 inch electromechanical laser display OLED12864 as the man-machine interface to save the power consumption of the remote controller. The DS18B20 temperature sensor is set up on the thermometer to feed back the detected room temperature to the host computer regularly through the nRF24L01 radio frequency module, and the digital tube is used to display the room temperature to improve the display brightness, and at the same time, it has a simple remote control function. In the software design, according to the functional characteristics of the system, reasonable programming logic is adopted to reduce the power consumption of the system. Single chip microcomputer C language is used as the programming language, and Keil uVision4 is used to construct the programming environment to realize the various functions of the system. The experimental results show that the design scheme of the electric heater control system with the three-body structure of the "host remote controller" realizes the closed-loop and accurate control of the electric heater to the room temperature, and solves the problem that the battery life of the remote controller is short in the two-body structure scheme of the "host remote controller" in which the feedback room temperature sensor is set on the remote control. After repeated debugging, each part of the system has good communication and reliable operation, and has a good application prospect and market value.
【学位授予单位】：大连理工大学
【学位级别】：硕士
【学位授予年份】：2016
【分类号】：TP872
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