JPS62187914U

JPS62187914U -

Info

Publication number: JPS62187914U
Application number: JP7737186U
Authority: JP
Priority date: 1986-05-22
Filing date: 1986-05-22
Publication date: 1987-11-30

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す概念図、第２
図は、同実施例の制御フローチヤート、第３図は
、従来の自動車用冷房装置の概念図である。１……蒸気圧縮式冷凍サイクル、２……コンプ
レツサ、３……コンデンサ、５……電動膨張弁、
７……自動車、８……客室、９……室温センサ、
１０，１３……制御回路、１２……コンデンサ熱
負荷センサ、１４……回転数センサ、１５……温
度センサ、１６……風量センサ。 Figure 1 is a conceptual diagram showing one embodiment of the present invention;
This figure is a control flowchart of the same embodiment, and FIG. 3 is a conceptual diagram of a conventional automobile cooling system. 1... Vapor compression refrigeration cycle, 2... Compressor, 3... Condenser, 5... Electric expansion valve,
7...Car, 8...Guest room, 9...Room temperature sensor,
10, 13... Control circuit, 12... Capacitor heat load sensor, 14... Rotation speed sensor, 15... Temperature sensor, 16... Air volume sensor.

Claims

[Scope of utility model registration request]

In a cooling device installed in an automobile that controls the opening and closing of an electric expansion valve disposed in a vapor compression refrigeration cycle according to the heat load in the cabin of the automobile, a plurality of valve opening degrees corresponding to the road surface configuration of the automobile are provided. While setting a map group, the traveling road surface form is determined based on the condenser load and compressor heat load of the refrigeration cycle, and a valve opening degree map group corresponding to the determination result is selected, and the map group set in the map group is 1. A cooling device for an automobile, comprising a control circuit for controlling opening and closing of the electric expansion valve according to a valve opening degree map.