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Air conditioner

A technology for air conditioners and refrigerant sleeves, which is applied to air conditioning systems, refrigerators, compressors, etc., and can solve problems such as poor contact, damage to power components, and excessive loads, and achieve the effect of preventing damage

Inactive Publication Date: 2011-05-18
DAIKIN IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] As mentioned above, in the case of installing the power element on the printed circuit board, if the refrigerant sleeve is installed on the power element as in the existing air conditioner, the compressor will be used as the vibration source to move along the refrigerant during operation. Vibration transmitted by the pipeline will cause excessive load to act on the wire of the power element, so it is considered that it may cause poor contact or damage the power element

Method used

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[0058] In addition, as for the refrigerant jacket 20 and the printed circuit board 31, in addition to indirectly fixing the refrigerant jacket 20 to the support member (switch box 40) via the heat transfer plate 50 as in the example, the printed circuit board 31 is directly connected Instead of the supporting member, for example, the refrigerant jacket 20 may be directly connected to a bracket (supporting member) having predetermined rigidity, and the printed circuit board 31 may be indirectly fixed to the bracket via the switch box 40 . That is to say, the refrigerant jacket 20 and the printed circuit board 31 do not need to be directly connected to the supporting member, and they can be indirectly fixed on the supporting member. In short, when vibration is applied to the refrigerant jacket 20, it is sufficient that the refrigerant jacket 20 and the printed circuit board 31 are fixed on a common supporting member to perform the same movement (vibration).

[0059] -Industrial ...

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PUM

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Abstract

The present invention discloses an air conditioner including: a printed circuit board (31) having a power element (33) mounted thereon; and a coolant jacket (20) which is connected to the power element (33) and in which a coolant used for the cooling cycle flows. The printed circuit board (31) is contained in a switch box. The coolant jacket (20) is fixed to the switch box (40) via a heat transmission plate (50). The coolant jacket (20) is connected to the printed circuit board (31) by the switch box (40).

Description

technical field [0001] The present invention relates to an air conditioner in which a refrigerant circulates to perform a vapor compression refrigeration cycle. Background technique [0002] In an air conditioner that performs a vapor-compression refrigeration cycle by circulating a refrigerant, a circuit such as a DC / AC conversion circuit is installed to control the operating state of a motor of the compressor. Generally speaking, power components that generate high temperature are used in the DC-AC conversion circuit, and components for cooling the power components are provided in existing air conditioners to prevent the temperature of the power components from exceeding its working temperature. An example of such a cooling component is a component that cools a power element using a refrigerant used in a refrigeration cycle (see, for example, Patent Document 1). In the air conditioner disclosed in Patent Document 1, the refrigerant passage through which the refrigerant us...

Claims

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Application Information

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IPC IPC(8): F24F5/00F25B1/00F24F1/22F24F1/24
CPCF24F2013/207F24F1/24F25B31/006H05K7/2029F25B2400/077H01L23/4006H01L23/427H01L2924/0002H01L2924/00F24F5/00F25B1/00
Inventor 奥田则之竹仲则博升井友洋
Owner DAIKIN IND LTD
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