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Refrigeration cycle unit

A refrigeration cycle and refrigerant technology, which is applied to household refrigeration equipment, coolers, and transport buses, and can solve problems such as deterioration of design freedom, insufficient cooling of converters, and inability to ensure cross-sectional area of ​​passages, etc.

Inactive Publication Date: 2012-09-19
DENSO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Therefore, as in the refrigeration cycle unit of Patent Document 1, a dedicated ventilation path for cooling the inverter that is different from the ventilation path of the outside air that blows air to the condenser is provided. The cause of the significant deterioration in the design freedom related to the layout of various constituent instruments
[0008] Furthermore, even if a dedicated ventilation path is provided in a limited space in the cabinet, the cross-sectional area of ​​the path for circulating the external air with a sufficient amount of air required to cool the converter cannot be ensured sometimes. In the configuration of the circulation unit, the converter cannot be cooled sufficiently

Method used

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Embodiment Construction

[0029] Below, use Figure 1 ~ Figure 4 One embodiment of the present invention will be described. The refrigeration cycle unit 1 of the present embodiment is suitable for a refrigeration container mounted on a ship, a vehicle, or the like, and used to transport objects to be transported in a state of refrigeration storage or refrigeration storage.

[0030] and, Figure 1 ~ Figure 4 Arrows of up and down, left and right, and front and rear in , represent directions in a state where the refrigeration container (refrigeration cycle unit 1 ) is mounted on a ship, vehicle, or the like. also, Figure 1 ~ Figure 4 The up-down direction, left-right direction, and front-back direction in , respectively correspond to the vertical direction, the width direction, and the depth direction.

[0031] The refrigeration cycle unit 1 is configured to house a vapor compression refrigeration cycle inside a metal casing 10 . First, the housing 10 is formed in a substantially rectangular paralle...

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Abstract

Provided is a refrigeration cycle unit. A refrigeration cycle radiator (13) is arranged in a case (10) by using a heat exchange surface as a level. The radiator (13) is provided with a power supply part, i.e. convertors (22a,22b) for supplying power for motor compressors (11,12) just under the heat exchange surface; external gas flows from a lower side of the radiator (13) to an upper side through a radiator-fan (14). Accordingly, the convertors (22a,22b) can be fully cooled by external gas; the temperature of the external gas is lower than the temperature of the external gap in heat exchange with a refrigerant through the radiator (13).

Description

technical field [0001] The present invention relates to a refrigerating cycle unit, which is configured by accommodating a vapor compression type refrigerating cycle in a cabinet. Background technique [0002] Conventionally, there is known a refrigerated container (container) which is loaded on a ship, a vehicle, or the like, and is used to transport objects to be transported in a refrigerated or refrigerated state. Such a refrigeration container generally has a refrigeration cycle unit configured by accommodating a vapor compression type refrigeration cycle in the cabinet, and the vapor compression type refrigeration cycle is blown to the storage space of the container (transported objects) The storage space) is cooled by the supply air. [0003] Furthermore, as the compressor of the refrigeration cycle, an inverter-controlled electric compressor with good controllability is often used so that the refrigeration cycle can exhibit high cycle efficiency (COP) according to th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25D19/00B65D88/74
Inventor 桂川纯一
Owner DENSO CORP
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