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Process For Operating A Washer Dryer With A Heat Pump, And A Suitable Washer Dryer

A technology for washing and drying machines and heat pumps, which is applied to household clothes dryers, washing machines with containers, and washing machine control devices, etc., and can solve problems such as temperature increase in heat pump drying systems

Inactive Publication Date: 2014-06-25
BSH BOSCH & SIEMENS HAUSGERAETE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] A common problem with heat pump drying systems is the constant temperature increase in the process

Method used

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  • Process For Operating A Washer Dryer With A Heat Pump, And A Suitable Washer Dryer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0053] The washing and drying machine of this embodiment comprises a tub 1 (also referred to as a "soap container") and a drum 2 mounted in the tub 1 so that the drum 2 can rotate around a substantially horizontal axis of rotation 30 to For receiving items of clothing 5 . A laundry item 5 to be treated is placed in the drum 2 .

[0054] The washing-drying machine also comprises: a control unit 7; a process air circuit 4 comprising a liquefier 8, an evaporator 9, a compressor 10 of a heat pump and an expansion valve 11, and a circuit for heating the air and circulating the heated air through the drum 2; an evaporator for condensing moisture from the process air coming out of the drum 2; three temperature sensors 19, 20, 21; and a washing device 12. The tub 1 is communicated to the evaporator 9 of the heat pump as a heat exchanger for heating process air by means of a flexible hose 29 as a communication member.

[0055]The tub communicates via a suds discharge conduit 23 to a ...

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Abstract

The invention relates to a process for operating a washer dryer comprising a tub 1, a drum 2 mounted in the tub 1 to be rotatable around an essentially horizontal axis 30 for receiving laundry items 5, a control unit 16, a process air circuit 4 comprising a liquefier 8 of a heat pump circuit 8,9,10,11 and a blower 6 to heat and circulate the heated air through the drum 2, an evaporator 9 to condense moisture from the process air coming out of the drum 2, a temperature sensor 19, 20, 21, and a rinsing device 12, wherein: (a) the temperature sensor 19, 20, 21 measures a temperature value T app in the process air circuit 4 or the heat pump circuit 8,9,10,11 which are indicative of a temperature of the refrigerant in the heat pump circuit 8,9,10,11; and (b) the rinsing device 12 flushes the evaporator 9 with an aqueous liquid 15 when the temperature T app reaches or exceeds an upper temperature limit T max set .

Description

technical field [0001] The invention relates to a process for operating a washer-dryer with a heat pump circuit and a washer-dryer suitable for carrying out the process. In particular, the invention relates to: a process for operating a washer-drying machine and a washer-dryer suitable for carrying out the process, said washer-drying machine comprising: a tub; The upper horizontal axis rotates for receiving items of clothing; the control unit; the process air circuit, which includes a liquefier of the heat pump circuit and a blower for heating the air and circulating the heated air through the drum, for making the slave drum Evaporators, sensors and flushing devices out of the moisture condensation of the treatment air. Background technique [0002] Front load washing machines are popular due to their water saving features and avoidance of damage to clothes. In recent years, washing and drying machines, ie, drum washing machines with a drying function, have become popular ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06F33/02D06F25/00D06F39/00D06F58/28D06F58/24D06F33/69D06F58/38
CPCD06F2202/04D06F58/22D06F58/206D06F33/02D06F25/00D06F33/69D06F58/38D06F2103/32D06F2103/50D06F2105/26D06F2103/08D06F2103/36D06F2105/24
Inventor H·伯克H·莫许茨钱善良
Owner BSH BOSCH & SIEMENS HAUSGERAETE GMBH
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