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由于日本夏季气候的特点,采用空调的总数仅次于美国,居世界第二位。日本空调技术从1945年左右开始发展,而1960年以后则空前普及,城市内大部分建筑物采用了空调。从这以后的倾向是在采用节能方式的同时,注意提高系统的功能。本文只概略地阐述目前动向中的三个主要问题——节能系统、热源方式和空调系统方式。一、节能系统 1.概说现代空调的首要目标是在许多场合考虑节能。主要节能手段列于表1。表中注“○”的是目前应用得较少或技术上尚未被开发,
Due to the characteristics of Japan’s summer climate, the total number of air conditioners used is second only to the United States and ranks second in the world. Japan’s air-conditioning technology began to develop from around 1945, and after 1960 it was unprecedentedly popular. Most buildings in the city use air-conditioning. Since then, the tendency is to use energy-saving methods while paying attention to improving the functions of the system. This article only outlines the three major issues in the current trend - energy-saving systems, heat sources and air-conditioning systems. First, the energy-saving system 1. Overview of modern air-conditioning is the primary goal is to consider energy-saving in many occasions. The main energy-saving measures are listed in Table 1. The “○” in the table is currently applied less or technically not yet developed.