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Outdoor unit for air conditioner

A technology for outdoor units and air conditioners, applied in the field of outdoor units, can solve problems such as refrigerant leakage and false detection

Active Publication Date: 2020-10-30
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, false detection due to water wetting or immersion of the thermistor installed on the upper part of the compressor, refrigerant leakage due to an opening caused by rusting of the compressor main body, etc.

Method used

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  • Outdoor unit for air conditioner
  • Outdoor unit for air conditioner
  • Outdoor unit for air conditioner

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0028] figure 1 A schematic configuration diagram illustrating an example of a refrigerant circuit of an air conditioner according to Embodiment 1 of the present invention. Such as figure 1 As shown, the air conditioner 100 has an outdoor unit 10 installed outdoors and an indoor unit 20 installed indoors. The outdoor unit 10 and the indoor unit 20 are connected by a refrigerant pipe 51 .

[0029] The outdoor unit 10 has a compressor 30 , a four-way valve 41 , an outdoor heat exchanger 42 , and an expansion valve 43 . Compressor 30 is driven by, for example, an inverter to compress refrigerant. The four-way valve 41 is connected to the discharge side of the compressor 30, and switches the flow path of the refrigerant. For example, the four-way valve 41 is switched between cooling operation and defrosting operation. figure 1 The flow path of the solid line is switched to during heating operation figure 1 The flow path of the dotted line. The outdoor heat exchanger 42 is c...

Embodiment approach 2

[0063] The overall configuration of the air conditioner according to Embodiment 2 is the same as that of Embodiment 1 described above. That is, the overall configuration of the refrigerant circuit and the outdoor unit of the air conditioner according to Embodiment 2 is the same as Figure 1 ~ Figure 3 The example is the same. Therefore, the same reference numerals are used for components equivalent to those in Embodiment 1, and description thereof will be omitted.

[0064] Figure 12 It is a perspective view showing a state in which a sound insulating member is attached to a compressor in an outdoor unit of an air conditioner according to Embodiment 2 of the present invention. Such as Figure 12 As shown, the sound insulating member 190 according to Embodiment 2 is composed of the side cover 160 , the upper cover 70 , and the drain member 180 . The side cover 160 is composed of a felt sheet and covers the side of the compressor 30 and the side of the upper cover 70 . The ...

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PUM

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Abstract

This outdoor unit for an air conditioner has a compressor, an upper surface cover which covers the upper surface of the compressor, and a side cover which covers both a side surface of the compressorand a side surface of the upper surface cover, and which has a rectangular cutout formed in a part of the upper end of the side cover. The outdoor unit has a non-water absorbent water discharge memberwhich is provided extending from the center of the upper surface cover to the bottom of the cutout, and which is sloped downward from the center of the upper surface cover toward the bottom of the cutout.

Description

technical field [0001] The present invention relates to an outdoor unit of an air conditioner in which a sound insulating member is attached to a compressor. Background technique [0002] The air conditioner has a refrigerant circuit in which actuators such as a compressor are connected through refrigerant piping, and has an outdoor unit on which the compressor is mounted. In today's outdoor units, the size of heat exchangers and fans is increasing in order to improve the heat exchange capability. On the other hand, the main body of the outdoor unit has been downsized for space saving and the like. Therefore, inside the main body of the outdoor unit, the refrigerant piping is closely arranged in a narrow space. Therefore, the number of refrigerant piping arranged above the compressor increases. [0003] However, in the outdoor unit, noise is generated from the compressor due to the operation of the motor of the compressor, the compression mechanism, and the like. Therefo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F1/12F24F13/20F24F13/22
CPCF24F1/12F24F13/20F04B39/0033F24F13/222F04B39/0061F04B39/0044F04B39/121F04B53/04
Inventor 奥健人富田圭一增田哲也
Owner MITSUBISHI ELECTRIC CORP