Two-source heat pump multi-function machine

A multifunctional machine, source heat pump technology, applied in the direction of refrigerators, fluid heaters, machine operation modes, etc., can solve the problems of high power and affecting refrigerant distribution, etc.

Active Publication Date: 2013-01-23
江苏恒信诺金科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the power of commercial cold and hot water units is relatively large, the air-source heat exchanger and the air-collecting pipe are placed vertically. "Hot water device" and other patented technologies, the structure of the gas collecting pipe placed upright will affect the refrigerant distribution of the cycle of making hot water while cooling the water of the unit

Method used

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  • Two-source heat pump multi-function machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] Embodiment 1, figure 1 It is a schematic diagram of the basic structure of a wind / water two-source heat pump multifunctional machine according to Embodiment 1 of the present invention. The device includes a refrigerant circuit system, a hot water heat exchange system, an air-conditioning water heat exchange system, and a signal acquisition and automatic control system; The refrigerant circuit system described above includes a compressor 1, a three-way valve 2, a four-way valve 3, a water heat exchanger 4, an air heat exchanger 5, a hot water heat exchanger 6, a liquid receiver 7, a filter 8, The sight glass 9 and the restrictor J are thermal expansion valves and gas-liquid separators 10, and the rectification mechanism D is composed of four one-way valves D1, D2, D3 and D4 of the first, second, third and fourth; rectification There are four interfaces to the mechanism D: the first interface ① is the parallel interface of the inlets of the first and second one-way valves...

Embodiment 2

[0067] Embodiment 2, figure 2 It is Embodiment 2 of the present invention, the basic structure schematic diagram and working principle explanatory diagram of the second type wind / water two-source heat pump multifunctional machine, and its difference from Embodiment 1:

[0068] (1) figure 1 The rectification mechanism D composed of four one-way valves in the refrigerant circuit system is figure 2 is replaced by a second four-way valve 12; the alternative scheme for the connection of the second four-way valve in the refrigerant circuit system is: the first, second, third, and fourth ports ①, ②, and ③ of the second four-way valve , ④, respectively replace figure 1 The first, second, third, and fourth ports ①, ②, ③, and ④ of the rectification mechanism D, that is, the first, second, third, and fourth ports of the second four-way valve are respectively connected to the throttle J of the refrigerant circuit. The outlet, the lower end interface of the wind heat exchanger 5, the ...

Embodiment 3

[0076] Embodiment 3, image 3 It is a schematic diagram of the basic structure and an explanatory diagram of the working principle of a waste heat recovery type wind / water dual-source heat pump multifunctional machine in Embodiment 3 of the present invention. Compared with Embodiment 1, the system has a waste heat recovery heat exchanger 13 added.

[0077] image 3 device shown, with figure 1 Compared with the device shown, the refrigerant circulation loop system is the same, except that in the purified water heating and heat exchange system, the device in embodiment 3 adds a waste heat recovery heat exchanger 13; the waste heat recovery heat exchanger is a clean water / Waste water heat exchanger; the waterway connection mode of the clean water heating heat exchange system is that a frequency conversion water pump 11 is installed on the water inlet pipe, and the water inlet pipe is connected with the clean water inlet of the waste heat recovery heat exchanger 13, and the net ...

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Abstract

The invention discloses an air and water two-source waste heat recovery type heat pump multi-function machine. The two-source heat pump multi-function machine mainly comprises a compressor, a four-way valve, an air heat exchanger, a water heat exchanger, a liquid storage device, a restrictor and a gas-liquid separator. The two-source heat pump multi-function machine is characterized by further comprising a three-way valve, a hot water heat exchanger and a rectifying mechanism comprising first, second, third and fourth check valves or a second four-way valve, wherein the gas inlet, the first and second gas outlets of the three-way valve are respectively connected with the gas outlet of the compressor, the gas inlet of the hot water heat exchanger and the gas inlet of the four-way valve; the second, third and fourth interfaces of the four-way valve are respectively connected with gas inlets of the water heat exchanger, the air heat exchanger and the gas-liquid separator; the refrigerant outlet of the hot water exchanger is connected with the inlet of the liquid storage device; the first, second, third and fourth interfaces of the rectifying mechanism or the second four-way valve are respectively connected with the outlet of the restrictor, the lower port of the air heat exchanger, the lower port of the water heat exchanger and the inlet of the liquid storage device; and the outlet of the liquid storage device is connected with the inlet of the restrictor to form a refrigerant loop. According to the invention, four functions of refrigerating and water heating, water heating, refrigerating, and warming are achieved by four separate circulations, and are automatically shifted; and water inlet amount is controlled by a variable frequency pump, so as to discharge water at a constant temperature of 55 DEG C in a directly-heated manner.

Description

Technical field: [0001] The invention relates to the technical field of heat pump water heaters. Background technique: [0002] The heat pump water heater is a kind of heat energy absorbed from the air or water absorbed from the environment through the compression of the refrigerant, condensation heat release, throttling expansion, and evaporation heat absorption, which is upgraded to higher temperature heat energy for domestic hot water or water supply. Heating has obvious energy-saving effects. Generally, the energy efficiency ratio of heat pump water heaters is 3-4. Two-source heat pump is a kind of equipment that can absorb heat energy from different heat sources for heating. Better results. The applicant has applied for multiple related patents. For example, simple, efficient and reliable heating and cooling air-conditioning water heaters (201010215579.5, 201020245130.9), a dual heat source heat pump water heater with a very simple refrigeration circuit (200910181300...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B29/00F25B41/04F25B41/06F24H4/02
Inventor 陈则韶
Owner 江苏恒信诺金科技股份有限公司
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