Thermal compensation-transfer heat exchanger and heat pump water heater with same
A technology for heat pump water heaters and heat exchangers, which is applied to the types of heat exchangers, indirect heat exchangers, fluid heaters, etc. It can solve the problems of reduced energy efficiency, affecting the life of compressors, and low evaporation pressure of heat pump units. The effect of guaranteeing life, promoting turbulence, and strong self-cleaning effect
Active Publication Date: 2014-03-12
JIANGSU TENESUN ELECTRICAL APPLIANCE
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Problems solved by technology
[0003] The purpose of the present invention is to provide a heat compensation transfer heat exchanger, which is used in air source heat pump water heaters, so as to solve the problem that the energy efficiency of the heat pump unit is reduced due to the low evaporation pressure in winter, and the overpressure may affect the compression due to the high temperature in summer. Technical issues of machine life
Method used
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[0050] In order to better understand the above technical solutions of the present invention, a further detailed description will be given below in conjunction with the drawings and embodiments.
[0051] The heat compensation transfer heat exchanger of the present invention is as figure 1 As shown, it includes a housing 41, a heat exchange tube 42, a working medium inlet 401, a working medium outlet 402, a water inlet 411 and a water outlet 412. The working medium inlet 401 and the working medium outlet 402 are connected to the heat pump water heater The working fluid circulation circuit, the water inlet 411 and the water outlet 412 are connected to the heat medium water circuit of the heat pump water heater, see Figure 7 Shown is a heat pump water heater comprising a thermally compensating transfer heat exchanger 4 .
[0052] exist figure 1 In the illustrated embodiment, the thermal compensation transfer heat exchanger 4 is a semi-volume heat exchanger, and the heat exchang...
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The invention relates to a thermal compensation-transfer heat exchanger and a heat pump water heater with the same, in particular to a heat-pump fluid heater and a fitting thereof. The thermal compensation-transfer heat exchanger comprises a shell, a heat exchange tube, a medium inlet, a medium outlet, a water inlet and a water outlet. The thermal compensation-transfer heat exchanger is a semi-displacement heat exchanger. The low-frequency turbulent heat exchange tube is a casing tube composed of an outer tube and an inner tube. The inner tube is a twisted spiral tube, the inner and outer surfaces of the inner tube are provided with concave-convex spiral twisted peaks and troughs, the inner wall of the outer tube is attached to the raised spiral of the outer wall of the inner tube, and accordingly the coiled tube with a spiral medium channel is formed. The thermal compensation-transfer heat exchanger has the tube-and-shell structure, the casing tube structure and the coiled tube structure. Work modes of a medium circulating pipeline of the thermal compensation-transfer heat exchanger are switched by the aid of an electromagnetic valve, heating capacity and operating performance of the heat pump water heater are improved, liquid shock caused by liquid medium entering a compressor is avoided, or poor lubrication of a compressor due to ultralow circulation volume of the medium is avoided, and operational safety and stability of a unit are improved.
Description
technical field [0001] The invention relates to a fluid heater utilizing a heat pump and its accessories, in particular to a heat compensation transfer heat exchanger and a heat pump water heater comprising the heat exchanger. Background technique [0002] In addition to the characteristics of environmental protection and energy saving, the air source heat pump unit also has the characteristics of simple system, low initial investment, convenient maintenance, and flexible adjustment, so it has been popularized and applied in a large area. Chinese utility model patent "a low-temperature air-supplemented air source heat pump water heater" (Chinese utility model patent number: ZL201120113835.X, authorized announcement number: CN201983513U) discloses a low-temperature air-supplemented air-source heat pump water machine, including a water tank 1. A casing heat exchanger, one side of the casing heat exchanger is connected to a compressor through a pipeline, and the other side of t...
Claims
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IPC IPC(8): F28D7/00F24H9/00
Inventor 王玉军刘军王颖颜艳王天舒
Owner JIANGSU TENESUN ELECTRICAL APPLIANCE