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Clothes drying device

A technology for drying devices and clothes, which is applied in washing devices, household clothes dryers, textiles and papermaking, etc. It can solve problems such as heat pumps not working stably, achieve suppression of excessive temperature and pressure, strong drying capacity, and prevent Effects of entering an overloaded state

Active Publication Date: 2007-03-28
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But if the lint filter is clogged, the air volume flowing to the air circulation channel will drop, the temperature and pressure of the refrigerant will be too high, the compressor will enter an overload state, and the heat pump will not work stably

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0026] This embodiment shows a drum-type washer-dryer installed with the laundry drying device of the present invention. Fig. 1 shows the structure of a drum-type washer-dryer 1 in this embodiment, in which the structure of the drying mechanism is highlighted.

[0027] As shown in Figure 1, a drum drive motor 4 is installed on the back of the tub 3 with the rotary drum 5 inside, and the rotating shaft 17 of the rotary drum 5 is axially supported by a bearing 16 provided on the tub 3, And is driven to rotate by the drum driving motor 4, thereby constituting the tub unit 10. The tub unit 10 is supported in the washing machine casing 2 by a shock-absorbing structure, and the rotation axis of the rotary drum 5 is in an inclined state in which the front side is tilted upward. The water tub 3 and the rotating drum 5 are respectively provided with openings on the front side, and after opening the machine door 8 arranged on the front side of the washing machine casing 2, the laundry ...

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Abstract

The present invention provides a clothing dryer which permits a stable operation of a heat pump generating drying air to be circulated between a drying chamber and the heat pump. An air circulation route is formed which delivers air heated by a heater 29 of a heat pump unit 20 to a water tank 3 to be a drying chamber, returns the air discharged from the water tank 3 to the heat pump unit 20 through a filter unit 60, dehumidifies in a heat absorber 28 and delivers again to the heater 29. The filter unit 60 is provided with a lint filter 61 and a duct communicating with an air outlet 46 and an air introduction opening 47 is formed. Since the air is discharged from the air outlet 46 and an external air is introduced from the air introduction opening 47 when the amount of heat accumulated in the air in the air circulation route increases, an excessive increase in the temperature and pressure of a refrigerant with an increase in the amount of accumulated heat can be suppressed, and overloading a compressor 27 can be restrained, whereby the heat pump is stably operated.

Description

technical field [0001] The present invention relates to a heat pump type clothes drying device which can be applied to a clothes dryer which dries clothes by blowing dry warm air into a drum containing clothes to take moisture from clothes, and In the washer-dryer constituted by setting the clothes drying function in the washing machine. Background technique [0002] In a drying mechanism used in a clothes dryer or a washer-dryer, a device for generating heated air often adopts a heater heating method in which air is heated by a heater. The heater heating method has a simple structure and a small volume, but there are problems such as the need to install a dehumidification device and large power consumption. In order to solve these problems, some clothes dryers and washing and drying machines are equipped with heat pump drying mechanisms. [0003] The heat pump clothes drying device is provided with the following air circulation channel: the heated air heated by the heat r...

Claims

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Application Information

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IPC IPC(8): D06F58/10D06F58/22D06F58/26
CPCD06F58/04D06F58/206D06F58/22Y02B40/00
Inventor 田原己纪夫薮内秀隆韩见直
Owner PANASONIC CORP
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