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Management device and method of heat source machine for air conditioner

A technology for air conditioning and management devices, which is applied in space heating and ventilation, heating methods, household heating, etc., and can solve problems such as performance degradation of absorption refrigerators that cannot be evaluated

Inactive Publication Date: 2003-04-23
HITACHI BUILDING SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, this invention can determine only the contamination of the cooling water, but cannot evaluate other factors that cause the performance degradation or abnormality of the absorption chiller as a heat source machine.

Method used

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  • Management device and method of heat source machine for air conditioner
  • Management device and method of heat source machine for air conditioner
  • Management device and method of heat source machine for air conditioner

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Embodiment Construction

[0032] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0033] Figure 1 to Figure 5 It is a figure for demonstrating 1st Embodiment. In this embodiment, a case is described where an absorption chiller is used as a heat source machine for an air conditioner, but the type of heat source is not limited to the absorption chiller.

[0034] First, the structure and operation cycle of a dual-purpose absorption refrigerator, which is one of the application objects of the present invention, will be described. for with Image 6 The structural elements corresponding to the various parts of , use the same reference numerals.

[0035] The dual-purpose absorption refrigerator has a high-temperature regenerator 603, a low-temperature regenerator 612, a condenser 611, an evaporator 621, an absorber 622, a solution pump, a refrigerant dispersion pump, a low-temperature heat exchanger 605, and a high-temperature heat exchanger 604. And ai...

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Abstract

A management apparatus and a management method which can forecast inspection time before the lowering of performance or the occurrence of abnormality in a heat source unit for an air conditioner are provided. The operating condition of the air conditioner heat source unit 101 is monitored by a central monitoring unit 100 of the management apparatus connected to the heat source unit through an information communication network 90. Operating data of the heat source unit 101 is analyzed so that the lowering of the performance and the advance of the degree of abnormality in the heat source unit are diagnosed. Thus, the loss of a user caused by the failure stop or the performance lowering of the heat source unit 101 is reduced. Further, the load on the heat source unit is grasped by the central monitoring unit so that remote central control is carried out to make the operating cost minimal.

Description

technical field [0001] The present invention relates to a management device and a management method of a heat source machine for an air conditioner. Background technique [0002] An invention described in Japanese Patent Application Laid-Open No. 9-26237 is known as a remote-controlled centralized management method for a heat source unit for an air conditioner. The method of this invention is to install a terminal device in the absorption chiller and hot water machine, and use signals indicating the physical quantities and operating states of each part of the absorption chiller and hot water machine to determine whether there is an abnormality in the calculation controller installed in the terminal device. When it is judged to be abnormal, the signal stored in the terminal device is sent to the central monitoring device, and a more detailed analysis is performed on the analysis computer equipped in the central monitoring device, and at the same time, the monitor equipped in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/00F25B49/00
CPCF25B49/005F24F11/0086F24F11/30F24F11/38
Inventor 小松智弘中岛忠克西口章藤居达郎能城贤关口恭一町泽健司花轮良和中嶋富夫梨木春雄
Owner HITACHI BUILDING SYST CO LTD
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