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Heat exchange unit and refrigeration cycle device

A technology of heat exchangers and heat exchange parts, which is applied in the direction of household refrigeration devices, refrigerators, refrigeration components, etc., and can solve problems such as deterioration of electrical components, insufficient heat dissipation of electrical component boxes, damage, etc., and achieve efficient heat dissipation

Active Publication Date: 2020-04-24
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in Patent Document 1, the heat dissipation of the electrical component box may be insufficient due to the positional relationship between the heat sink and the heat exchanger.
If the heat dissipation of the electrical component box is insufficient, the electrical components stored in the electrical component box may deteriorate or be damaged, etc.

Method used

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  • Heat exchange unit and refrigeration cycle device
  • Heat exchange unit and refrigeration cycle device
  • Heat exchange unit and refrigeration cycle device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0024] figure 1 It is the figure which looked at the heat exchanger unit concerning Embodiment 1 of this invention from the front, figure 2 yes means figure 1 A diagram of an example of the interior of the heat exchanger unit described in, image 3 yes means figure 2 A diagram of an example of the heat exchanger described in, Figure 4 It is a figure which shows an example of the refrigeration cycle apparatus concerning Embodiment 1 of this invention, Figure 5 is viewed from above figure 2 A diagram of the heat exchange chamber described in . figure 1 The heat exchanger unit 100 described in is an outdoor unit installed outside the room. like Figure 4 As shown, in this embodiment, an example in which the heat exchanger 3 functions as the condenser 3A will be mainly described. The heat exchanger unit 100 is installed outdoors or in a machine room, for example, and is connected to the indoor unit 400 via pipes 410 and 420 . The piping 410 allows liquid refrigerant ...

Deformed example 1

[0073] E.g, Figure 8 yes means Figure 5 The figure of Modification 1, Figure 9 is viewed from the side Figure 8 The diagram of the heat exchanger, the air passage forming part and the heat dissipation promotion part. exist Figure 8 in, for with Figure 5 The same structures are marked with the same reference numerals, and descriptions are omitted or simplified. like Figure 8 as well as Figure 9 As shown, Modification 1 has an air passage forming portion 214 . The air passage forming portion 214 forms an air passage through which the air passing through the heat exchanger 3 passes through the heat radiation promoting portion 212 . The air passage forming part 214 is provided downstream of the first heat exchange part 31A, and is attached to the partition plate 25 or the electrical component box 210, for example. The air passage forming portion 214 has a shape in which the flow velocity of the air passing through the heat radiation promotion portion 212 is faster...

Deformed example 2

[0075] Also, for example Figure 10 yes means Figure 8 The figure of Modification 2, Figure 11 is viewed from the side Figure 10 The diagram of the heat exchanger, the air passage forming part and the heat dissipation promotion part. In addition, in Figure 10 in, right with Figure 8 The same structures are marked with the same reference numerals, and descriptions are omitted or simplified. like Figure 10 as well as Figure 11 As shown, the air passage forming part 214 of Modification 2 has a ventilation part 214A covering at least a part of the heat radiation promotion part 212 . Ventilation portion 214A is provided so as not to be in contact with heat dissipation promotion portion 212 and can dissipate heat from the outer surface of heat dissipation promotion portion 212 . A gap of, for example, 1 to 3 mm is provided between the ventilation portion 214A and the heat dissipation promotion portion 212 . By providing the ventilation part 214A, the air blowing to t...

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PUM

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Abstract

A heat exchange unit comprises: a heat exchanger having a first heat exchange part that exchanges heat with a refrigerant, and a second heat exchange part that exchanges heat with the refrigerant thathas undergone heat exchange in the first heat exchange part; a blower for forming an airflow that causes air to pass through the heat exchanger; and an electrical component box in which electrical components are accommodated. The electrical component box is provided nearer to the second heat exchange part than the first heat exchange part.

Description

technical field [0001] The present invention relates to a heat exchanger unit provided with an electrical component box. Background technique [0002] Conventionally, a heat exchanger unit including an electrical component box is known (for example, refer to Patent Document 1). In Patent Document 1, the heat radiation fins attached to the electrical component box are exposed in the heat exchange chamber, and the heat radiation fins are cooled by the wind flowing into the heat exchange chamber. [0003] Patent Document 1: Japanese Patent Laid-Open No. 2016-166734 [0004] However, in Patent Document 1, the heat dissipation of the electrical component box may be insufficient due to the positional relationship between the fins and the heat exchanger. If the heat dissipation of the electrical component box is insufficient, the electrical components housed in the electrical component box may be deteriorated or damaged. Contents of the invention [0005] The present invention...

Claims

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Application Information

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IPC IPC(8): F25B49/02F25B1/00F25D19/00F24F1/22F24F1/24
CPCF24F1/22F24F1/24F25D19/00F25B6/04F25B40/02F25B39/04F25B2400/13F25B1/00F25B49/02
Inventor 岐部笃史佐藤洋贵石川智隆
Owner MITSUBISHI ELECTRIC CORP