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Heating and hot water system

A technology for supplying hot water and heat medium, applied in heating systems, hot water central heating systems, household heating, etc., can solve the problem of loss of comfort, inability to simultaneously supply hot water and heating functions, lower room temperature, etc. question

Active Publication Date: 2017-04-12
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the hot water supply function and the heating function cannot be realized at the same time, and as a result, there is a problem that the room temperature decreases during the hot water supply, which impairs comfort.

Method used

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  • Heating and hot water system
  • Heating and hot water system
  • Heating and hot water system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0019] [Structure of Embodiment 1]

[0020] figure 1 It is a circuit configuration diagram of the heating and hot water supply system 100 according to Embodiment 1 of the present invention. figure 1 The shown heating and hot water supply system 100 includes: a heat pump unit 1 equipped with a refrigerant circuit of a vapor compression refrigeration cycle (heat pump cycle); The water storage tank unit 10; and the heating unit 30 which is constituted by a part of the heating circulation circuit and heats the room.

[0021] The heat pump unit 1 and the hot water storage tank unit 10 are connected via heat medium pipes 12 and 13 . The hot water storage tank unit 10 is connected to the heating unit 30 via heat medium pipes 14 and 15 . In addition, the hot water storage tank unit 10 is connected to a hot water supply pipe 17 connected to a hot water supply terminal (such as a faucet in a kitchen or a toilet) and a water supply pipe 16 for supplying water from a water source such ...

Embodiment approach 2

[0046] [Structure of Embodiment 2]

[0047] Image 6 It is a circuit configuration diagram of a heating and hot water supply system 200 according to Embodiment 2 of the present invention. Image 6 The heating and hot water system 200 shown except figure 1 In addition to the configuration of the shown heating and hot water supply system 100 , a heat medium pipe 27 connecting the discharge side of the heat medium pump 18 of the heat medium pipe 13 to the heat medium pipe 14 is provided. A flow rate adjustment valve 28 functioning as a third flow rate adjustment mechanism for adjusting the flow rate of the heat medium flowing through the heat medium pipe 27 is provided midway in the heat medium pipe 27 . As the flow rate adjustment valve 28, for example, a valve capable of fine flow rate adjustment such as a spherical valve or a butterfly valve is preferable.

[0048] [Operation of Embodiment 2]

[0049] The heating and hot water supply system 200 is based on the heating requ...

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Abstract

The invention provides a system for heating and supplying hot water, which can realize the requirements for supplying hot water and heating at the same time. The heating and hot water supply system includes: a heat pump unit (1) for heating the heat medium; a hot water supply heat exchanger (19) for performing heat exchange between the heat medium and the water in the hot water storage tank (11); Heating heat exchangers (31, 32) for heating the room with heat medium; heat medium pump (18); pump discharge side, heat pump unit, hot water supply heat exchanger, heating heat exchanger, and pump suction side The heating medium piping (12-15) connected in sequence; the bypass piping (22) bypassing the hot water supply heat exchanger from the heating medium piping; the bypass piping (23) bypassing the heating heat exchanger from the heating medium piping; A four-way valve (20) for adjusting flow distribution of heat medium between the hot water supply heat exchanger and the piping, and between the heating heat exchanger and the piping; and a control device (29) for controlling the four-way valves.

Description

technical field [0001] The present invention relates to a heating and hot water supply system, and in particular to a heating and hot water supply system that uses hot water heated by a heat pump as a medium to implement hot water supply and heating. Background technique [0002] Conventionally, for example, Patent Document 1 discloses a heating and hot water supply system, which has a heating system that realizes the heating function by circulating hot water heated by a heating mechanism to a heating terminal, A hot water supply system that heats the water in the hot water storage tank by circulating water to the heat exchanger in the hot water storage tank. Specifically, this heating and hot water supply system includes a circuit for circulating hot water heated by a heat pump unit to a heating terminal, and a circuit for circulating hot water to a heat exchanger in a hot water storage tank by using the heating terminal as a bypass. By switching the three-way valve provid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H4/02
CPCF24D3/105F24D3/18F24D19/1021F24D19/1024F24D2220/0242Y02B30/12F24D3/082F24D19/1072F24D19/1039
Inventor 南迫博和
Owner MITSUBISHI ELECTRIC CORP
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