Heat pump water heater
A water heater and heat pump technology, which is applied in the field of heat pump systems, can solve the problems of affecting water temperature, lowering the temperature of the water tank, and reducing the comfort of the water heater, so as to achieve the effect of improving comfort and increasing heating capacity
Inactive Publication Date: 2007-08-08
SICHUAN CHANGHONG ELECTRIC CO LTD
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Problems solved by technology
[0004] As mentioned above, when the existing heat pump system defrosts, the heat required for defrosting needs to be transferred from the high temperature area to the low temperature area. Obviously, if the heat is absorbed from the water tank to defrost the heat exchanger, the temperature of the water tank will drop suddenly. Affects the water temperature, greatly reducing the comfort of the water heater
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[0014] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0015] As shown in Figures 1 and 2, the heat pump water heater of the present invention includes at least one compressor 1, an electromagnetic four-way valve 2, a condenser 4, a throttling device 10, and an evaporator 8 along the refrigerant flow direction. A heat pump refrigeration circuit composed of sequential connections. The condenser 4 is arranged in the main water tank 3 for heating the water in the water tank 3 , and the main water tank 3 is usually provided with a water inlet pipe 11 and a water outlet pipe 12 . An auxiliary evaporator 6 placed in an auxiliary water tank 5 is arranged on the refrigeration circuit between the condenser 4 and the throttling device 10, and a valve 7 is arranged on the inlet or outlet pipeline of the condenser 4, and the valve 7 can also be used for condensing The inlet and outlet of device 4 are set at the same t...
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The invention discloses a heat pump water heater with thermal accumulated evaporating water box, which can avoiding affecting the water temperature of water box in the defrosting process of heat pump. The invention comprises at least one heat pump refrigerating circuit formed by a compressor, an electromagnetic four-way valve, a condenser, a throttle device, and an evaporator along the direction of coolant. The condenser is in the main water box. The circuit between the condenser and the throttle device is arranged with an auxiliary evaporator in the auxiliary water box. The inlet and / or outlet tube of condenser is arranged with a valve. One end of auxiliary evaporator connected with the condenser is communicated with the inlet of compressor via the control valve. The invention can avoid affecting the temperature of water box in the defrosting process of heat pump.
Description
technical field [0001] The invention relates to a heat pump system, in particular to a heat pump water heater with a heat storage evaporation water tank. Background technique [0002] Heat pumps are widely used in daily life, and common heating and cooling air conditioners are typical heat pump systems. The heat pump absorbs heat from the low-temperature area, and transfers it to the high-temperature area to release heat in the form of work. The heat pump system is not a simple energy conversion, but an energy transfer, so it is energy-saving. Compared with current electric water heaters and gas water heaters, heat pump water heaters are more energy-saving and convenient, especially in the southern region, which is the future development direction of water heaters. [0003] Based on the heat pump air conditioner, the heat pump water heater changes the high-temperature heat release area from the indoor environment to a water tank for hot water storage. It includes a heat pum...
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IPC IPC(8): F24H4/04
Inventor 李越峰阳洪钟明
Owner SICHUAN CHANGHONG ELECTRIC CO LTD