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Heat pump type clothes dryer and working method thereof

A technology of a clothes dryer and a heat pump, which is applied in the field of clothes dryers, can solve the problems of high use cost, energy consumption, and large occupied volume, and achieve the effects of ensuring rapid dehumidification and drying, reducing volume, and saving output energy consumption.

Pending Publication Date: 2017-06-20
SHANGHAI HITACHI ELECTRICAL APPLIANCES CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a heat pump dryer and its working method to solve one or more problems in the prior art that the heat pump dryer occupies a large volume and has high cost and energy consumption

Method used

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  • Heat pump type clothes dryer and working method thereof
  • Heat pump type clothes dryer and working method thereof
  • Heat pump type clothes dryer and working method thereof

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Embodiment Construction

[0025] The following is attached Figure 1~4 The heat pump dryer and its working method proposed by the present invention will be further described in detail. It should be noted that all the drawings are in a very simplified form and use imprecise scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0026] figure 1 A structural block diagram of a heat pump dryer provided by an embodiment of the present invention is shown. like figure 1 As shown, the heat pump dryer 10 includes a refrigerant circuit for refrigerant, and the refrigerant circuit includes a two-cylinder variable capacity compressor 11, a liquid receiver 12, a first heat exchanger 13, a second heat exchanger An exchanger 14 and a capacity switching device 15, the inlet of the accumulator 12 is connected to the first heat exchanger 13, and the second heat exchanger 14 is respectively connected to the first heat exchanger 13 and the doub...

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Abstract

The invention provides a heat pump type clothes dryer and a working method thereof. The heat pump type clothes dryer works in two operating states through a double-cylinder variable-capacity compressor; when the heat pump type clothes dryer operates in one operating state, the double-cylinder variable-capacity compressor adopts a double-cylinder parallel connection mode; and when the heat pump type clothes dryer operates in the other operating state, the double-cylinder variable-capacity compressor adopts a double-cylinder serial connection mode. By the adoption of the double-cylinder variable-capacity compressor, during treatment of a relatively high moisture load in the early stage of drying clothes, the heat pump type clothes dryer can guarantee fast dehumidification and drying; under a condition that the moisture load in the later stage of drying the clothes is reduced, suction flow and exhaust flow are reduced through two-stage compression, so that stable exhaust temperature is guaranteed, and output energy consumption of a compressor motor is saved; and meanwhile, no extra configuration is needed for treating the moisture load in the later stage of drying the clothes, the size is reduced, and the use cost is decreased.

Description

technical field [0001] The invention relates to the field of clothes dryers, in particular to a heat pump dryer and a working method thereof. Background technique [0002] In clothes dryers, heat pump technology is the most effective way to save energy in the process of drying clothes, and thus has been widely used. The operation of a clothes dryer with a heat pump system (referred to as a heat pump dryer for short) includes two stages, namely a preheating stage and a steady state stage. The warm-up phase is the initial phase after the compressor has been started, where a certain time is required to reach full operating conditions in terms of temperature and pressure. When the heat pump system is activated, the temperature of the air and refrigerant is at ambient temperature. During the transition phase, the temperature of the air and refrigerant rises to the desired level. During the steady state phase, the temperature of the air and refrigerant remains statically consta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06F58/10D06F58/20D06F58/24D06F58/26
CPCD06F58/10D06F58/20D06F58/206D06F58/24D06F58/26
Inventor 胡欣嘉周易匡勇军乐红胜
Owner SHANGHAI HITACHI ELECTRICAL APPLIANCES CO LTD
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