Vehicle-mounted air conditioner control device, and vehicle

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12103360
APP PUB NO 20210237538A1
SERIAL NO

17053150

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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This vehicle-mounted air conditioner control device (1) comprises: a PTC heater (H) that is included in a high-voltage system circuit (HV) and generates heat by the power supplied from a high-voltage battery (B2); and a microcomputer (10) that is included in the high-voltage system circuit (HV) and controls the power supply from the high-voltage battery (B2) to the PTC heater (H). This vehicle-mounted air conditioner control device (1) further comprises: a water temperature sensor (151, 152) that is included in a low-voltage system circuit (LV) and outputs a voltage signal corresponding to the temperature of hot water; and a V/f conversion unit (161, 162) that is included in the low-voltage system circuit (LV) and converts the voltage signal output from the water temperature sensor (151, 152) into a frequency signal. This vehicle-mounted air conditioner control device (1) further comprises a digital isolator (171, 172) that transmits the frequency signal to the microcomputer (10) while maintaining electrical insulation between the V/f conversion unit (161, 162) and the microcomputer (10).

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First Claim

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS LTDSANTINGMU NO 2 FAN NO 3 TAKESHITA PILLS THE CAPITAL OF TOKYO JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kojima, Ryota Tokyo, JP 18 22
Nagasaka, Keiji Tokyo, JP 18 220
Osaki, Tomoyasu Tokyo, JP 6 11
Sato, Hidetaka Tokyo, JP 38 333

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