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Dual heat-source heat-pump hot water device with extremely simple refrigerating loop

A refrigeration circuit, heat pump hot water technology, applied in refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve problems such as low heat exchange efficiency and backward dual heat source heat pump switching technology

Inactive Publication Date: 2011-01-12
陈则韶
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

"Energy storage type heat pump hot water boiler water supply device" (patent number: 01244858.3), once proposed a heat pump system with heat pump, waste water heat exchanger, electric water heater and water storage tank to recover waste heat, but The switching technology of the dual heat source heat pump of this system is backward, and the hot water condenser of the heat pump only has direct current heat exchange mode, and the heat exchange efficiency is low

Method used

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  • Dual heat-source heat-pump hot water device with extremely simple refrigerating loop
  • Dual heat-source heat-pump hot water device with extremely simple refrigerating loop
  • Dual heat-source heat-pump hot water device with extremely simple refrigerating loop

Examples

Experimental program
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Effect test

Embodiment 1

[0042] The structural relation and working principle of embodiment 1 are by figure 1 illustrate.

[0043] The device in Example 1 is a simplified dual heat source heat pump water heating device that can use water heat source or air heat source, including refrigerant circulation loop system, water heating system, heat pump heat absorption system, signal and control system; signal system Including the refrigerant temperature detector at the outlet of the evaporator, the hot water outlet temperature detector T1, the refrigerant high and low pressure detectors P1 and P2 installed on the exhaust pipe and suction pipe of compressor 1, etc.; the control system includes refrigerant Circulation, defrosting, hot water outlet temperature or flow, pressure protection, etc. control; the refrigerant circulation loop is composed of compressor 1, hot water condenser 2 of the heating water system, four-way valve 3, heat pump heat absorption system Two heat source heat exchangers, two-way rest...

Embodiment 2

[0051] The structural relation and working principle of embodiment 2 are by figure 2 illustrate.

[0052] The device of embodiment 2 and figure 1 The difference of the device shown in Embodiment 1 is that the hot water condenser of the heating water system is a two-stage hot water condenser, the refrigerant inflow section is the hot water direct-flow heating section 2a, and the refrigerant outflow The section is the hot water internal circulation section 2b, and the circulating water outlet is on the connecting pipe of the two sections of water channels. The ratio of the heat exchange area between the hot water direct-flow heating section and the hot water internal circulation section is between 0.3 / 0.7 and 0.2 / 0.8. It adopts the internal circulation constant temperature continuous water outlet type. The heating water system includes a two-stage hot water condenser, a circulating water pump, a circulating reflux cylinder 11 and a customer-supported hot water storage tank; t...

Embodiment 3

[0053] The structural relation and working principle of embodiment 3 are by image 3 Note that its heating hot water heat exchange system has added a water preheater.

[0054] The refrigerant circulation loop system of the device of embodiment 3 and figure 1The refrigerant circulation circuit system of the device shown in Embodiment 1 is the same, but the split connection method is adopted. The split connection port of the refrigerant circuit is selected at the refrigerant inlet and outlet of the hot water condenser, and the compressor exhaust pipe port and The four-way valve has a common high-pressure liquid inlet, and the four connection ports are equipped with angle valves J1, J2, J3 and J4. After separate installation, two connecting pipes L1 and L2 are connected to form a refrigerant circulation circuit;

[0055] Compared with the waterway of embodiment 1, the waterway of the described heating water system has increased a water preheater 12, and the water preheater is a ...

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Abstract

The invention discloses a dual heat-source heat-pump hot water device with an extremely simple refrigerating loop. The device is characterized by mainly comprising a compressor, a hot water condenser, a wind heat exchanger, a water heat exchanger, a four-way valve, a bidirectional throttle and the like, wherein a high pressure inlet of the four-way valve is connected with the outlet of the hot water condenser, and the other three ports thereof are connected with air inlets of the wind heat exchanger, the water heat exchanger and the compressor respectively; other ports of the wind heat exchanger and the water heat exchanger are connected with the bidirectional throttle; the exhaust port of the compressor is connected with the inlet of the hot water condenser, and is connected with high pressure air inlet of an electromagnetic pilot valve of the four-way valve; four functions of manufacturing hot water by utilizing water source or air energy and providing air-conditioning cool water by utilizing air-cooling or heating water can be realized by only switching the four-way valve, defrosting can be performed completely and quickly; and a water pre-heater is added to the device to reclaim the heat of waste hot water. The heat pump has the advantages of dual heat sources compensation and wide application range, has multiple functions, extremely simple structure, extremely convenient switching and over 5 of annual comprehensive energy efficiency ratio, and has great popularization value.

Description

Technical field: [0001] The invention relates to the technical field of heat pump water heaters. Background technique: [0002] Heat pump water heaters use air or water as the heat source, through the refrigeration cycle of compression and boosting of refrigerant vapor, condensation and heat release, throttling reduction, evaporation and heat absorption, the compressor consumes a small amount of high-grade electric energy, and converts a large amount of zero-grade air energy or Sensible heat in low-grade water can increase the temperature and heat domestic water. Compared with consuming high-grade fuel or electric energy to heat water, it has obvious energy-saving effects; the energy efficiency ratio of general heat pump water heaters is 3-4. Most of the current heat pump water heaters are single heat source heat pumps. Single heat source heat pumps have their limitations. For air heat source heat pumps that use air energy as the single heat source, the pressure of the heat...

Claims

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Application Information

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IPC IPC(8): F24H4/02F25B47/02F25B29/00F25B13/00F25B49/02F25B39/04F24H4/04F25B41/04
CPCY02B30/52Y02B30/123
Inventor 陈则韶
Owner 陈则韶
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