VEHICLE AIR CONDITIONING APPARATUS AND CONTROL METHOD FOR VEHICLE AIR CONDITIONING APPARATUS

Title:

VEHICLE AIR CONDITIONING APPARATUS AND CONTROL METHOD FOR VEHICLE AIR CONDITIONING APPARATUS

Document Type and Number:

WIPO Patent Application WO/2019/138807

Kind Code:

A1

Abstract:

[Problem] To provide: a vehicle air conditioning apparatus in which the evaporator temperature is controlled by using a fin thermal sensor, and that is provided with an independent temperature adjustment function for the left and right sections, wherein a structure capable of preventing an evaporator from freezing is provided; and a control method therefor. [Solution] A contact temperature sensor 50B is disposed at an evaporator 8 in a region facing a passenger-side space 30 on the downstream side of the evaporator 8. Alternatively, a contact temperature sensor 50A is disposed in contact with the evaporator 8 in a region facing a driver-side space 20 on the downstream side of the evaporator 8, and, when a normal blowing mode is selected, the operating state of a compressor 10 is controlled so that detected temperatures (T8a, T8a'）detected by the temperature sensor 50 fall between a lower limit (Tsd)min and an upper limit (Tsd)max of a threshold temperature (Tsd), and, when a strong blowing mode is selected, a threshold temperature (Tsp) is set at a greater value than the threshold temperature (Tsd) used when the normal blowing mode is selected.

Inventors:

YOSHIZAKI HISAYOSHI (JP)
NAGANO HIDEKI (JP)
SHICHIKEN YUTAKA (JP)

Application Number:

PCT/JP2018/046676

Publication Date:

July 18, 2019

Filing Date:

December 19, 2018

Export Citation:

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Assignee:

VALEO JAPAN CO LTD (JP)

International Classes:

B60H1/32; B60H1/00

Foreign References:

JP2008296717A	2008-12-11
JP2013237387A	2013-11-28
JP2013124050A	2013-06-24
JP2002144840A	2002-05-22
JP2008296717A	2008-12-11
JPH10291414A	1998-11-04
JPH10207272A	1998-08-07

Other References: