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Air-conditioning management system, air-conditioning management method and program

A management system, air conditioning technology, applied in heating and ventilation control systems, heating and ventilation safety systems, heating methods, etc., can solve problems such as parts deterioration, reduced operating efficiency, adhesion, etc.

Active Publication Date: 2021-12-14
HITACHI JOHNSON CONTROLS AIR CONDITIONING INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In most air conditioners, as the period of use becomes longer, parts deteriorate over time, or dust adheres to indoor heat exchangers, etc., resulting in reduced operating efficiency

Method used

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  • Air-conditioning management system, air-conditioning management method and program
  • Air-conditioning management system, air-conditioning management method and program
  • Air-conditioning management system, air-conditioning management method and program

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach 》

[0029] figure 1 It is a schematic configuration diagram of the air conditioning management system W including the first embodiment.

[0030] also, figure 1 The illustration of the piping J is simplified, and the piping leading the refrigerant from the outdoor unit Uo to the four indoor units Ui and the piping leading the refrigerant from the four indoor units Ui to the outdoor unit Uo are shown by a common solid line (piping J). the piping.

[0031] The air conditioning management system W is a system that manages the operation of the air conditioner 100 and includes an air conditioning management device 200 . In addition, the air-conditioning management device 200 may be configured to include a plurality of servers. Hereinafter, after explaining the air conditioner 100 which is the management object of the air conditioning management device 200, the structure and function of the air conditioning management device 200 will be described in detail.

[0032]

[0033] The ai...

no. 2 approach 》

[0125] In the second embodiment, the control unit 220 (see image 3 ) is different from that of the first embodiment. That is, in the second embodiment, the point of difference from the first embodiment is that based on the heat exchange amount Q on the refrigerant side ref Heat exchange Q with the air side air , the control unit 220 diagnoses the compressor 11 (refer to figure 2 ) whether the volumetric efficiency is reduced. In addition, other configurations (the configuration of the air conditioner 100, the configuration of the air conditioning management device 200, etc.: refer to Figure 1 ~ Figure 3 ) is the same as the first embodiment. Therefore, portions different from those of the first embodiment will be described, and descriptions of overlapping portions will be omitted.

[0126] Figure 10 It is a flowchart showing the processing of the control unit 220 included in the air-conditioning management device 200 (refer to figure 2 , image 3 ).

[0127] In a...

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PUM

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Abstract

The present invention provides an air-conditioning management system and the like capable of performing maintenance at an appropriate time for a portion of an air-conditioner that has a sign of deterioration. An air conditioning management system (W) includes a storage unit (210), a control unit (220), and a notification unit (230). The control unit (220) estimates the amount of heat exchanged on the refrigerant side of the indoor heat exchanger of the air conditioner, and also estimates the amount of heat exchanged on the air side of the indoor heat exchanger. In addition, the notification unit (230) notifies the remote controller or the terminal of the location of the deterioration sign of the air conditioner based on the magnitude relationship between the refrigerant-side heat transfer amount and the air-side heat transfer amount.

Description

technical field [0001] The invention relates to an air conditioning management system and the like. Background technique [0002] In many air conditioners, as the period of use becomes longer, parts deteriorate over time, or dust adheres to indoor heat exchangers, etc., thereby reducing operating efficiency. Regarding the maintenance of such an air conditioner, for example, the technique described in Patent Document 1 is known. [0003] That is, Patent Document 1 describes the following content: "Change the diagnosis time, and change the equipment maintenance conditions of the air conditioner in contact with the room entry and exit management system and the building management system" based on the operating state, mode state, room temperature, etc. of the air conditioner. [0004] prior art literature [0005] patent documents [0006] Patent Document 1: Japanese Patent No. 6097210 Contents of the invention [0007] The problem to be solved by the invention [0008] P...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/38F24F11/64F24F110/10F24F140/20
CPCF25B49/02F24F11/38F24F11/64F24F11/52
Inventor 森隼人内藤宏治
Owner HITACHI JOHNSON CONTROLS AIR CONDITIONING INC