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Geothermal heat pump system

A heat pump system and geothermal technology, applied in the field of anti-vibration structures, can solve the problems of increasing the width and depth of the casing, the height of the casing, and the leakage of the compressor, so as to reduce noise, reduce noise and vibration, and ensure anti-vibration. performance effect

Active Publication Date: 2022-04-26
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when installing a soundproof box surrounding the compressor, the width and depth of the casing become large.
On the other hand, in the absence of a soundproof box, the noise from the compressor leaks through the air heat exchanger
In addition, if it is desired to increase the thickness of the supporting member to ensure quality in order to suppress the transmission of the vibration of the compressor, the height of the casing will increase.
Therefore, in the geothermal heat pump system, it is difficult to reduce the size of the casing while reducing noise and vibration.

Method used

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Examples

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Embodiment approach 1

[0017] figure 1 It is a simplified diagram schematically showing the configuration of the geothermal heat pump system according to Embodiment 1 of the present invention. The geothermal heat pump system 30 is installed inside the building. Such as figure 1 As shown, a geothermal heat pump system 30 is connected to an underground heat exchanger 18 buried underground and a load installed indoors. The geothermal heat pump system 30 collects underground heat through a heat pump through a primary side circuit C1 having an underground heat exchanger 18 , and supplies it to a load connected to a secondary side circuit C2 .

[0018] Here, the load is, for example, a hot water supply load B1 that supplies warm water to a bathtub or the like, an air conditioning load B2 that includes a radiator or the like, and the like. In addition, it is assumed that brine circulates in the primary side circuit C1 and water circulates in the secondary side circuit C2. The primary-side heat medium f...

Embodiment approach 2

[0061] Figure 6 It is a side view showing the anti-vibration structure of the geothermal heat pump system concerning Embodiment 2 of this invention. Embodiment 2 differs from Embodiment 1 in that the geothermal heat pump system 30 further includes a sound absorbing material 39 . In addition, in Embodiment 2, the same reference numerals are used for the same functions and configurations as in Embodiment 1 for items that are not particularly described.

[0062] Such as Figure 6 As shown in FIG. . The installation area of ​​the sound absorbing material 39 can be appropriately set according to the radiation characteristics of the sound from the compressor 1 . In addition, the sound absorbing material 39 may be composed of a single open cell body such as felt or sponge, or may be formed by laminating a member having a higher mass than the open cell body such as a metal plate or rubber on the open cell body to adjust the sound absorbing performance. Felt among the raw materia...

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Abstract

The geothermal heat pump system includes: a refrigerant circuit, a compressor with a vibration-proof member, a primary heat exchanger for exchanging heat between the liquid primary heat medium and the refrigerant using the earth's crust as a heat source, and a liquid secondary heat exchanger. a secondary side heat exchanger for exchanging heat between the side heat medium and the refrigerant; and an anti-vibration support base having an anti-vibration member and supporting the compressor, the primary side heat exchanger, and the secondary side heat exchanger via the anti-vibration member.

Description

technical field [0001] The present invention relates to a geothermal heat pump system provided with a refrigerant circuit, and particularly relates to a vibration-proof structure. Background technique [0002] Conventionally, the geothermal heat pump system uses the earth's crust or a lake as a heat source, circulates the primary side heat medium through the underground heat exchanger buried underground, collects heat through the heat pump, and supplies the heat to the secondary side heat medium circulating in the load . Since the underground temperature changes less throughout the year compared with the outside air temperature, the geothermal heat pump system using underground heat has improved in energy efficiency and CO2 in recent years. 2 Attention is drawn from the viewpoint of emission reduction. The geothermal heat pump system includes a refrigerant circuit including a compressor for compressing refrigerant, a primary heat exchanger for exchanging heat between a liq...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B30/06F04B39/00F16F15/08F25B1/00F25B31/00
CPCF25B1/00F25B31/00F04B39/00F25B30/06F16F15/08F25B25/005F25B27/00F25B2339/047F25B30/02F24D19/1072F24D17/02F25B2500/01F25B2500/12F25B2500/13F24D17/0031F24D2200/12F24D2200/11F24D2200/08Y02B10/40
Inventor 柴田将史青栁庆郎
Owner MITSUBISHI ELECTRIC CORP
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