JPH02140285U

JPH02140285U -

Info

Publication number: JPH02140285U
Application number: JP4770489U
Authority: JP
Priority date: 1989-04-25
Filing date: 1989-04-25
Publication date: 1990-11-22

Description

[Brief explanation of the drawing]

図面は本考案の構成を示すもので、第１図は冷
凍庫を備えた冷凍自動車の側面図、第２図は冷凍
庫に冷凍機、換気ダクトを取付けた状態を示す断
面図、第３図はダクト開閉機構を示す側面図、第
４図は装置の配線図である。１：冷凍庫、２：冷凍機、３：吐出口、４：吸
入口、５：排気ダクト、６：吸入ダクト、７：軸
、８：スプリング、９：ダンパ、１０：ソレノイ
ド、１０ａ：排気ソレノイド、１０ｂ：吸入ソレ
ノイド、１１：間隔タイマ、１１ａ，１１ｂ：接
点、１２：継続タイマ、１２ａ：接点、１３：電
源、１４：元スイツチ。 The drawings show the configuration of the present invention. Figure 1 is a side view of a refrigerated vehicle equipped with a freezer, Figure 2 is a cross-sectional view showing the freezer with a refrigerator and ventilation duct installed, and Figure 3 is a sectional view of the duct. A side view showing the opening/closing mechanism, and FIG. 4 is a wiring diagram of the device. 1: Freezer, 2: Freezer, 3: Discharge port, 4: Suction port, 5: Exhaust duct, 6: Suction duct, 7: Shaft, 8: Spring, 9: Damper, 10: Solenoid, 10a: Exhaust solenoid, 10b: Suction solenoid, 11: Interval timer, 11a, 11b: Contact, 12: Continuation timer, 12a: Contact, 13: Power supply, 14: Original switch.

Claims

[Scope of utility model registration request]

An exhaust duct 5 that penetrates the wall of the freezer 1 equipped with the refrigerator 2 and an intake duct 6 that allows outside air to pass through the intake port 4 of the refrigerator are provided, and an exhaust solenoid 10a is provided at the open end of each duct 5, 6. Suction solenoid 1
An interval timer 11 is provided with a damper 9 that is opened by power transmission to 0b, and closes its contacts 11a and 11b at predetermined time intervals to connect the exhaust solenoid 10a, the suction solenoid 10b, and the continuation timer 12 to the power source.
is connected to a power source via a contact 12a of a normally closed continuation timer 12, and the continuation timer 12 opens its contact 12a after a predetermined period of time has elapsed.