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Refrigeration cycle device

A technology of a circulation device and an expansion device, which is applied in the directions of fluid circulation arrangement, gas circulation refrigerator, irreversible circulation compressor, etc., can solve problems such as reducing construction, and achieve the effect of reducing connection construction and saving installation space.

Active Publication Date: 2012-12-05
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, since the heat medium piping connecting each refrigeration cycle apparatus of the refrigeration cycle apparatus described in Patent Document 1 is arranged outside the refrigeration cycle apparatus, the man-hours for the connection construction of the heat medium pipes at the installation site are not greatly reduced, and there are still Desire to reduce construction issues

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment approach 1

[0023] figure 1 It is a piping configuration diagram showing an example of the refrigeration cycle apparatus according to Embodiment 1 of the present invention.

[0024] Such as figure 1 As shown, the refrigeration cycle apparatus 100 according to Embodiment 1 includes a refrigerant circuit 50 and a heat medium circuit 60 .

[0025] The refrigerant circuit 50 circulates refrigerant therein, and constitutes the refrigerant circuit 50 by sequentially connecting the compressor 1 , the condenser 2 , the expansion valve 4 , and the evaporator 5 through refrigerant piping. The expansion valve 4 is an expansion device. Further, in the refrigerant circuit 50 according to Embodiment 1, one of the condenser 2 and the evaporator 5 is a heat medium heat exchanger for exchanging heat between the refrigerant and the refrigerant flowing through the heat medium circuit 60 . In addition, the other of the condenser 2 and the evaporator 5 is an air heat exchanger for exchanging heat between ...

Embodiment approach 2

[0040] In Embodiment 1, only one end of the heat medium inlet pipe 6 a and the heat medium outlet pipe 6 b is arranged in the casing 7 . The present invention is not limited thereto, and both ends of the heat medium inlet pipe 6 a and the heat medium outlet pipe 6 b may be provided in the housing 7 . In this Embodiment 2, parts not particularly described are the same as in Embodiment 1, and the same functions and structures as in Embodiment 1 will be described using the same reference numerals as in Embodiment 1. FIG.

[0041] Figure 4 It is a schematic longitudinal sectional view showing an example of a refrigeration cycle apparatus according to Embodiment 2 of the present invention.

[0042] like Figure 4 As shown, in the refrigeration cycle apparatus 100 according to Embodiment 2, both ends of the heat medium inlet pipe 6 a and the heat medium outlet pipe 6 b serving as connection ports are separated from the side surface of the casing 7 by a predetermined distance (for...

Embodiment approach 3

[0051] In Embodiment 1 and Embodiment 2, the refrigeration cycle apparatus 100 using a heat medium heat exchanger in a condenser or an evaporator is described, but the present invention can also be implemented in a condenser and an evaporator. Refrigeration cycle device of heat medium heat exchanger. In Embodiment 3, parts not particularly described are the same as in Embodiment 1, and the same functions and configurations as in Embodiment 1 will be described using the same reference numerals as in Embodiment 1. FIG.

[0052] Figure 6 It is a piping configuration diagram showing an example of the refrigeration cycle apparatus according to Embodiment 3 of the present invention.

[0053] like Figure 6 As shown, the refrigeration cycle apparatus 100 according to Embodiment 3 is provided with a condenser 8 serving as a heat medium heat exchanger instead of the condenser 2 serving as an air heat exchanger shown in Embodiment 1. Furthermore, the heat medium flow path of the con...

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Abstract

The invention provides a refrigeration cycle device, and when a plurality of such refrigeration cycle devices are installed in connection, connecting construction of thermal medium piping which is conducted at the installation site can be reduced (reduction of working hours of construction) and installation space can be saved. An evaporator of the refrigeration cycle device (100) is a thermal medium heat exchanger which enables a refrigerant and a thermal medium to exchange heat, and the refrigeration cycle device has thermal medium inlet piping (6a) whose midway part is connected with a thermal medium inlet (5a) of the evaporator (5), one end part of at least one part being arranged inside a housing (7); and a thermal medium outlet piping (6b) whose midway part is connected with a thermal medium outlet (5b) of the evaporator (5), one end part of at least one part being arranged inside the housing (7). When the plurality of such refrigeration cycle device (100) is being connected, end parts of thermal medium inlet piping (6a) and end parts of thermal medium outlet piping (6a) are connected in any housing (7) of these refrigeration cycle device (100).

Description

technical field [0001] The invention relates to a refrigerating cycle device for cooling or heating heat medium such as water and brine, in particular to a refrigerating cycle device connected with other refrigerating cycle devices. Background technique [0002] Conventionally, a refrigeration cycle apparatus for heating or cooling a heat medium is known using a heat medium heat exchanger for exchanging heat between a refrigerant and a heat medium (water, brine, etc.) in a condenser and an evaporator of a refrigerant circuit. In such a refrigeration cycle device, when it is necessary to heat or cool a heat medium exceeding the capacity of one refrigeration cycle device, a plurality of refrigeration cycle devices are sometimes installed, and each heat medium heat exchanger is connected to the heat medium piping. Connected to collect the heat medium heated or cooled by each refrigeration cycle device into the heat medium pipe. [0003] When a plurality of refrigerating cycle ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B41/00
CPCF25B2309/1414F25B2500/17F25B2400/077F25B2500/05F25B41/40F25B1/00
Inventor 伊藤拓也大越靖石田和之大塚修七种哲二
Owner MITSUBISHI ELECTRIC CORP
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