Air conditioner

A technology of air conditioner and blower, which is applied in the direction of mechanical equipment, space heating and ventilation, space heating and ventilation details, etc. It can solve the problem of the drop of blowing temperature, achieve the improvement of heating performance, realize the effect of feeling, and improve the feeling

Inactive Publication Date: 2012-07-18
MITSUBISHI HEAVY IND THERMAL SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the indoor heat exchanger connected to the outdoor unit that started the defrosting operation becomes an evaporator, and the operation of the indoor blower causes cold air to be blown out or the blown out temperature to drop.

Method used

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Effect test

Embodiment Construction

[0028] Below, refer to Figure 1 to Figure 3 , to describe the embodiment of the present invention.

[0029] figure 1 A configuration diagram showing an air conditioner according to an embodiment of the present invention, Figure 2A A side view showing the open state of the electric gas detector incorporated in the air conditioner, Figure 2B It is a side view showing the closed state of the electric gas detector incorporated in this air conditioner.

[0030] The air conditioner 1 includes a unit main body 2 , and an indoor blower 3 and a plurality of heat exchangers 4A, 4B, and 4C are provided in the unit main body 2 . The plurality of heat exchangers 4A, 4B, and 4C are arranged in series in the air duct 5 in the unit body 2 along a direction transverse to the air duct 5 .

[0031] Indoor air or external air or both are sucked into the unit main body 2 through a passage not shown in the figure, and the air is cooled or heated by the heat exchangers 4A, 4B, 4C to form cold...

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PUM

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Abstract

Disclosed is an air conditioner which has a simple structure and which can prevent cool air being blown out during heating operations, even when at least one of a plurality of heat exchangers is an evaporator. An air conditioner (1) is provided with a plurality of heat exchangers (4A, 4B, 4C) serially arranged in an air duct (5), through which air flows via a blower (3), in the transverse direction of the air duct (5). Outdoor units (7A, 7B, 7C), each having refrigerant systems from independent systems, are respectively connected to the heat exchangers (4A, 4B, 4C). The air conditioner (1) is provided with cut-off units (9A, 9B, 9C) which can individually cut off the air flow to the plurality of heat exchangers (4A, 4B, 4C), and the cut-off units (9A, 9B, 9C) can each operate independently from each other.

Description

technical field [0001] The present invention relates to an air conditioner suitable for air conditioning in large spaces, called an air handling unit, which takes in indoor air and outside air, adjusts the temperature, and sends air to the air-conditioned space through a duct. Background technique [0002] A large-scale air conditioner called an air handling unit is known, and indoor air and external air are introduced into a unit body provided with a heat exchanger, a blower, an air filter, and a humidifier if necessary, through a duct. After the heat exchange between the air and the refrigerant by the heat exchanger for cooling or heating, the temperature-adjusted air is sent to each air-conditioned space by means of a channel, wherein the air channel of the unit body is set along the direction crossing the air A plurality of heat exchangers arranged in series in the direction of the channel, and outdoor units having independent refrigerant systems of different systems are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F13/30F24F11/02F24F11/04
CPCF24F2013/1473F24F11/053F24F11/0076F24F11/70F24F11/41F24F11/74F24F11/81F24F11/86
Inventor 山口彻前原康训
Owner MITSUBISHI HEAVY IND THERMAL SYST
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