解决缺煤少柴地区农民的炊用能源问题,不仅直接关系到这些地区广大人民的生活,而且关系到这些地区的生产和植被保护,是应该认真重视的。太阳灶虽有必须在太阳下面使用和受天气局限这两个不可免除的缺陷,但在这类地区使用意义还是很大的。凹面玻璃太阳灶的研制,提供了一种可供推广的太阳灶型。它成本低,结构简单,使用方便并有可能实行工业化生产。本文对这种太阳灶的设计及制造进行了介绍,供广大太阳能爱好者参考。一、设计原理适合目前我国农村推广使用的 To solve the problem of cooking energy for peasants in the areas lacking coal and coal is not only directly related to the lives of the vast majority of people in these areas but also to the production and vegetation protection in these areas. We should pay serious attention to this. Although the solar cooker must be used under the sun and limited by the weather, these two inevitable defects, but the significance of the use of such areas is still great. The development of the concave glass solar cooker provides a solar cooker for promotion. Its low cost, simple structure, easy to use and possible implementation of industrial production. This article describes the design and manufacture of such solar cookers, for the majority of solar enthusiasts reference. First, the design principles for the current promotion of the use of rural China