Title:
DETERIORATION DIAGNOSIS DEVICE AND AIR CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/198221
Kind Code:
A1
Abstract:
A deterioration diagnosis device (3) that diagnosis whether there is an abnormality in a compressor (11) is provided with: a current detector (31)that detects current information relating to a power supply current to be supplied to the compressor; a vibration detector (32) that detects, in a set measurement cycle, vibration information relating to vibration of the compressor; an arithmetic device (35), to which the current detector (31) and the vibration detector (32) are connected, and which uses the current information inputted from the current detector (31), and the vibration information inputted from the vibration detector (32), and diagnoses whether there is an abnormality in the compressor; and a notification means (36) that reports diagnosis results of whether there is an abnormality in the compressor.
Inventors:
NAKAMURA TAKAHARU (JP)
TANAKA NOBUAKI (JP)
TANAKA NOBUAKI (JP)
Application Number:
PCT/JP2017/016519
Publication Date:
November 01, 2018
Filing Date:
April 26, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04B49/10
Foreign References:
| JPS62228919A | 1987-10-07 | |||
| JP2005241059A | 2005-09-08 | |||
| JPS6277539A | 1987-04-09 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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