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Air conditioner

A technology of air-conditioning equipment and air flow, which is applied in the field of air-conditioning equipment and its operation, and can solve the problems that the air temperature and dehumidification capacity cannot be completely controlled, and the dehumidification capacity cannot be fully achieved.

Inactive Publication Date: 2009-08-19
HITACHI APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This makes it impossible to fully control the temperature and dehumidification of the air blown in the room
Since the compressor is single and operates at a constant speed, it cannot fully control the dehumidification capacity according to the difference between the set humidity and the room humidity

Method used

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Examples

Experimental program
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Embodiment Construction

[0094] Hereinafter, various embodiments of the present invention will be described in detail with reference to the accompanying drawings in conjunction with various air conditioners installed in houses.

[0095] will combine Figure 1 to Figure 4 An embodiment of the present invention is described. figure 1 is a schematic diagram of the refrigeration cycle and control system; figure 2 is a flowchart of a mode of operation; image 3 is a flowchart showing the method of operation for low air flow dehumidification operation; and Figure 4 is a flowchart of a method of high air flow dehumidification operation. The air conditioner according to the present embodiment is constituted as follows: figure 1 Among them, the reference number 1 represents the compressor; the reference number 2 represents a four-way valve, which is switched when switching the operating conditions such as cooling and heating; the reference number 3 represents the outdoor heat exchanger; The main restric...

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PUM

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Abstract

An air conditioner, comprising a compressor, an outdoor heat exchanger, an outdoor fan, a heat exchanger in a first room and a heat exchanger in a second room, a dehumidification damper and a room fan, including: the heat exchanger installed in the first room A refrigerant flow path on the upstream side of the air flow, which is used as a refrigerant inlet in the dehumidification and cooling operation of the first room heat exchanger, and subsequently used as a refrigerant outlet in the heating operation, The refrigerant flow is thus formed in one flow system; the other refrigerant flow path provided on the downstream side of the refrigerant in the dehumidification and cooling operation of the heat exchanger in the first room is formed in two or more flow systems Refrigerant flow; and another refrigerant flow passage having two or more flow systems in the second room heat exchanger, the refrigerant flow passage being provided in the refrigerant flow passage having two or more systems The airflow downstream side of the road.

Description

[0001] This application is a divisional application of the application dated June 1, 1994, application number 02131692.9, and titled "air-conditioning equipment". technical field [0002] The present invention relates to an air conditioner and its operating method. More particularly, the present invention relates to an air conditioner and its operating method in which dehumidification operation can be performed with little cooling to little heating over a wide temperature range. Background technique [0003] As a conventional air conditioner in which a dehumidification operation is performed to reduce humidity, there is known a system in which air cooled by an evaporator is reheated by an electric heater; Heat of condensation reheats. When comparing these two systems with each other, especially from the point of view of energy saving, the latter is considered to be better because the former consumes a lot of power. [0004] In addition, in Japanese Patent Unexamined Public...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F3/14
Inventor 中村启夫横山英范森本素生川村浩伸松尾一也小暮博志冈村哲信小曾户庄一
Owner HITACHI APPLIANCES INC
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