JPS6214249U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案による熱交換素子付換気装置
の一実施例を示す縦断面図、第２図は第１図の三
方弁の平面断面図、第３図は第２図の正面図、第
４図は制御スイツチの正面図、第５図は従来の熱
交換素子付換気装置を示す縦断面図、第６図は第
５図の熱交換素子の端面拡大斜視図である。 図中、２ａは外気吸込口、２ｂは同左吹出口、
２ｃは室内空気吸込口、２ｄは同左吹出口、３は
熱交換素子、８は給気用送風機、９は排気用送風
機、１２は切換装置（三方弁）である。なお、図
中同一符号は同一部分を示す。 Fig. 1 is a longitudinal sectional view showing an embodiment of the ventilation system with a heat exchange element according to this invention, Fig. 2 is a plan sectional view of the three-way valve shown in Fig. 1, and Fig. 3 is a front view of Fig. 2; 4 is a front view of the control switch, FIG. 5 is a vertical sectional view showing a conventional ventilation device with a heat exchange element, and FIG. 6 is an enlarged perspective view of the end face of the heat exchange element shown in FIG. In the figure, 2a is the outside air inlet, 2b is the same left outlet,
2c is an indoor air inlet, 2d is the same left outlet, 3 is a heat exchange element, 8 is a supply air blower, 9 is an exhaust air blower, and 12 is a switching device (three-way valve). Note that the same reference numerals in the figures indicate the same parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 給気用送風機により吸込口から外気を吸入し熱
交換素子を通して室内に給気し、排気用送風機に
より室内空気を吸入し上記熱交換素子を通して屋
外に排気するものにおいて、上記外気の吸込口付
近に、常時は上記外気と上記熱交換素子とを連通
し、要時には上記外気を閉塞して上記室内と上記
熱交換器とを連通する切換装置を設けたことを特
徴とする熱交換素子付換気装置。 A supply air blower sucks in outside air from the suction port and supplies the air indoors through the heat exchange element, and an exhaust blower sucks the indoor air and exhausts it outdoors through the heat exchange element, in the vicinity of the outside air suction port. , a ventilation system with a heat exchange element, characterized in that a switching device is provided that communicates the outside air with the heat exchange element at all times, and when necessary blocks the outside air and connects the indoor room with the heat exchanger. .