JPH0342921U

JPH0342921U -

Info

Publication number: JPH0342921U
Application number: JP1989103179U
Authority: JP
Priority date: 1989-09-04
Filing date: 1989-09-04
Publication date: 1991-04-23

Description

[Brief explanation of drawings]

第１図は、本考案の小型冷暖房装置に係る自動
開閉弁の縦断面図、第２図乃至第３図は、同じく
小型冷暖房装置の温水コイル部の配管図、第４図
乃至第５図は、従来例に係る冷暖房装置の配管図
である。１……小型冷暖房装置、２……自動開閉弁、３
……コツク本体、４……栓、５……キヤツプ、６
……開閉バネ、７……接続管、８……水抜き弁、
８ａ……配水管、９……バイパス管、２２……温
水管、２２ａ……温水管の出口側、２２ｂ……温
水管の入口側、２３……送水管、２４……還水還
、２５……給水管、２６……送風機、２７……温
水コイル、２８……冷却機。 Fig. 1 is a vertical cross-sectional view of an automatic opening/closing valve according to the compact air conditioning/heating device of the present invention, Figs. 2 and 3 are piping diagrams of the hot water coil section of the small air conditioning/heating device, and Figs. 4 and 5 are FIG. 2 is a piping diagram of a heating and cooling device according to a conventional example. 1... Compact heating and cooling equipment, 2... Automatic opening/closing valve, 3
...Kottoku body, 4...Bung, 5...Cap, 6
... Opening/closing spring, 7... Connection pipe, 8... Drain valve,
8a...Water pipe, 9...Bypass pipe, 22...Hot water pipe, 22a...Outlet side of the hot water pipe, 22b...Inlet side of the hot water pipe, 23...Water pipe, 24...Water return, 25 ... Water supply pipe, 26 ... Air blower, 27 ... Hot water coil, 28 ... Cooler.

Claims

[Scope of utility model registration request]

In a water-draining structure of a water-cooled compact heating and cooling device, a switching valve is provided on the outlet side and an inlet side of a hot water coil, and a water draining valve is provided between both the on-off valves on the inlet/outlet side, and both the on-off valves are provided. A compact air-conditioning and heating device that features a water drain valve that automatically opens and closes using the function of a shape memory alloy.