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中文摘要：
种子发芽是植物成长中的重要环节之一，良好的环境可以大大提高种子发芽率。通过控制催芽室内的温度、相对湿度、光照等参数，为种子发芽创造一个良好的环境，促进种子发芽。采用中央空调控制系统，控制催芽室的温度在18～30℃范围内可调；采用超声波加湿器，控制催芽室的相对湿度在70％～95％范围内可调。安装了光照传感器，分组控制补光灯。触摸屏设计方便用户直观地使用，采用RS232与控制器通信。安装了循环风机和风幕机使环境内温度和相对湿度更加均匀。控制器采用PID算法控制环境精度。目标温度值为28℃、目标相对湿度为90％时．温度控制精度为土0．5℃、相对湿度控制精度为±1．9％。相对于人工气候箱，催芽室空间较大，一定条件下，年产量可达到340万株，甚至更高。
英文摘要：
Seed germination is one of important aspects of plant growth, it can greatly improve the germination rate by providing a good environment to seed germination. Germination chamber can provide a good environment for seed, including temperature, humidity, light and other parameters, and can achieve a higher annual output. The temperature of germination chamber can be adjusted within a range of 18-30℃ by using an air-conditioning. The relative humidity of germination chamber can be adjusted within a range of 70%-95% by using an ultrasonic humidifier. Under the help of light sensors, lights can let the seed break dormancy by group control. Users can easily and intuitively use germination chamber by the design of touch screen, which using RS232 communicated with the controller. Temperature and relative humidity can be more homogeneous by the installation of circulating fans and wind-screen machines. Environmental accuracy is controlled by the PID algorithm in controller. When target temperature is 28℃ and target relative humidity is 90%, the accuracy of temperature is ±0.5℃ and the accuracy of relative humidity is ±1.9%. Compared with the artificial climate box, germination chamber has a large space, under certain conditions, annual output could reach 3.4 million or even more.
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