Vacuum oven is designed specially for drying of material which is thermo - sensitive of decompounded and oxidative easily it can be filled with inert gases , which is especially for a rapid drying of some compound material 真空干燥箱专为干燥热敏性、易分解和易氧化物质而设计,能够向内部充入惰性气体,特别是一些成分复杂的物品也能进行快速干燥。
The fifth part introduces the design and realization of green fruit machining computer control system , combining above - mentioned three parts and the project setting , and based on the control system , discusses the design scheme of remote controlling of it 第五部分把前三部分介绍的内容与课题背景结合起来介绍绿色果品集装式干燥箱计算机控制系统的设计和实现,及基于该系统的远程监控技术的实现方案。
In view of the present situation , in this paper , a new moisture analyzer which combines infrared drying oven and electronic balance is proposed takes dsp as the information processing unit . it presents the instrument structure and the hardware design of the system . it actualizes the temperature real time control in the drying equipment through controlling the power of the heater element and taking an complex control method 针对这一现状,本文提出了一种将红外干燥箱和电子天平相结合,利用dsp作为信息处理单元的水分测定仪;给出了仪器结构和dsp系统的硬件电路设计;研究通过对加热元件的功率控制实现干燥箱的温度控制,采用智能复合控制策略对干燥箱的温度进行实时控制,干燥箱的温度达到105的时间可由单纯pid控制的2分钟减少到1分钟,且控制精度高。
This company , beginning fairly early to develop and manufacture themal protector , ptc started and current relay , has accumulated certain rechnical capability and rich manufacture experience . it boasts advanced manufacture and inspection equipment and device , such as precision punch , precision dryer , energy - reserve welding machine , ampere time characteristics detector , temperature characteristics detector , life test platform and key equipment for part - processing , finished product assembly , finished product inspection and pattern test . to guarantee product quality and expand manufacture capability , a production line has been designed and installed . with the aim of absorbing advanced technology and creating famous brand ted , we are planning to introduce equipment , material and know - how from abroad to satisfy users demand with quality product and excellent service 公司较早开始研制热保护器电流继电器及ptc启动器,对生产热保护器电流继电器具备了一定的技术力量和丰富的生产经验,现有热保护器及电流继电器的生产和检测设备:精密冲床精密干燥箱储能焊机安培时间特性检测仪温度特性检测仪寿命检测台零件加工成品组装成品检测和型式实验的关键设备。并设计制造安装了生产线,保证了产品质量,扩大了生产能力。为集天下之技术,创tde名牌,准备从国外引进的设备材料和技术。
In the third chapter , the measurement and control system are designed according the characteristics of the infrared drying instrument , can realize the temperature measurement and control of the infrared drying instrument . then , in view of the respective characteristic of the time optimization control , the pid control and the fuzzy control , a kind of control method based on complex is designed 第3章首先根据红外干燥箱的特点设计了其测控系统,可实现对红外干燥箱的温度测量与控制;然后给出了温度控制的方法,针对时间最优控制、 pid控制和模糊控制各自的特点,设计了一种基于时间最优模糊pid控制方法。
We equip the following machines for the environmental testing and the reliability test : test box with high and low temperature , test box with high temperature , test box with invariableness temperature and humidity , salt - spray test box , vibrant and impactive test machine , tensile test machine , frequency tester and scanner , oscillograph , oven with invariableness temperature etc . pic the 3d machine 环境试验可靠性测试等方面配置有以下仪器设备:高低温试验箱高温恒温试验箱恒定湿热试验箱盐雾腐蚀箱振动冲击试验台拉力试验机谐振频率f0快速测试仪扬声器f0快速测试仪音频扫频信号发生器示波器电热恒温干燥箱等。