EP3469136A1 - Bodengruppe für ein gerät zum trocknen von wäsche und gerät zum trocknen von wäsche - Google Patents
Bodengruppe für ein gerät zum trocknen von wäsche und gerät zum trocknen von wäscheInfo
- Publication number
- EP3469136A1 EP3469136A1 EP17728158.1A EP17728158A EP3469136A1 EP 3469136 A1 EP3469136 A1 EP 3469136A1 EP 17728158 A EP17728158 A EP 17728158A EP 3469136 A1 EP3469136 A1 EP 3469136A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- section
- drying
- floor
- air
- condenser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/206—Heat pump arrangements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/24—Condensing arrangements
Definitions
- the invention relates to a base unit for a device for drying laundry, comprising at least one separating tray with at least one support section for supporting a condenser of a heat pump, wherein on the supporting section at least one recess is formed with a supporting base on which the condenser can be placed, and at least one subsequent to a drying air flow downstream of the support portion channel portion having an air inlet opening which is spaced from a plane of arrangement of the support floor.
- the invention relates to a device for drying laundry.
- a clothes dryer comprises a heat pump with two heat exchangers, namely, a heat to drying air used for drying laundry drying drying condenser and a heat from the drying air receiving evaporator.
- the heated drying air is supplied to the laundry for absorbing moisture therefrom.
- the moisture absorbed by the drying air during the drying of the laundry is condensed by means of the evaporator, to which the drying air laden with drying air is supplied, and thereby separated from the drying air.
- a clothes dryer with heat pump has a much lower energy consumption than a clothes dryer without heat pump.
- a heat pump contains a refrigerant, which circulates in a self-contained circuit and is thereby cyclically evaporated with the absorption of heat and condensed with the release of heat. The evaporation of the refrigerant takes place predominantly in the evaporator of the heat pump.
- the evaporator flows to the refrigerant as a mixture of liquid and gas.
- the refrigerant then passes to a compressor of the heat pump, in which it is compressed.
- the compressor is also the drive that drives the refrigerant through the closed circuit.
- the compressed refrigerant passes to the condenser of the heat pump, where it is liquefied with the release of heat.
- the liquefied refrigerant enters an expansion device, in particular a valve, a diaphragm or a capillary, in which the internal pressure of the refrigerant is reduced and in which the refrigerant is already partially converted back into gas.
- the resulting mixture of liquid and gas gets back to the evaporator.
- a condensate collecting basin can be arranged on the bottom side, in which condensed water can collect on the evaporator of the heat pump. If a tumble dryer additionally has a self-cleaning system for cleaning a heat exchanger of the heat pump, the condensate collecting basin is also used to collect the rinsing liquid used in this case.
- the heat exchangers of the heat pump are usually arranged above the condensate collecting basin, for which purpose above the condensate collecting basin a separating floor can be arranged, on which the heat exchangers stand up. The space below the heat exchanger or the separating tray is thus limited by the condensate collecting basin.
- a floor assembly of a tumble dryer which has a arranged below a condenser and an evaporator of a heat pump of the tumble separator bottom, on which the capacitor and the evaporator stand up.
- a trough-like, watertight and open towards the condenser recess is formed on the separating tray, wherein a bottom of the recess lies completely below a maximum liquid filling height of a condensate collecting basin arranged on the bottom side below the separating tray and the condenser rests on the ground. Due to this configuration of the partition floor is the Increases installation space for the condenser, so that a condenser with a larger volume can be installed to increase the efficiency of the tumble dryer.
- An object of the invention is to improve the energy efficiency of an apparatus for drying laundry during a drying process performed therewith and to reduce the noise during the drying process.
- An underlay unit according to the invention for a device for drying laundry comprises at least one separating tray with at least one carrying section for carrying a condenser of a heat pump, wherein on the carrying section at least one recess is formed with a supporting base on which the condenser can be placed, and at least one with respect to a drying air flow downstream of the support section subsequent channel section with an air inlet opening, which is arranged spaced from an assembly plane of the support floor.
- the separating bottom comprises at least one air-guiding section, which is arranged downstream of the carrying section with respect to the drying air flow and which has at least one deflecting section ascending from the supporting floor in the direction of the channel section. An end facing away from the recess of the Lucasleitabitess is aligned with an inlet edge of the air inlet opening.
- a wall perpendicular to the flow direction of the drying air is arranged downstream of the condenser, against which a drying air portion flowing along the carrying section, which emerges from a bottom portion of the condenser near the bottom of the support.
- This impact surface or the flow edge formed thereby can lead to measurable fluctuations, ie to unstable conditions in the power consumption of a process air blower of the device, from a volume flow of the drying air of about 210 m 3 / h in that the drying air in the drying air circulation of the device is circulated during a drying process.
- This increases the power consumption of the process air blower and the energy consumption of the device.
- At the impact surface or its flow edge arise unsteady vortex shedding, which cause the increased energy consumption and also generate unwanted noise.
- the drying air can flow rectified over the air guide section and the air inlet opening at the channel section into the channel section.
- Disadvantageous vortex shedding does not occur in the underbody according to the invention.
- a drying air portion flowing along the support floor is deflected away from the arrangement plane of the support floor in the direction of the air inlet opening by means of the deflection section. Since the deflecting section rises free of flow edges, the drying air deflected by it is guided by the deflecting section with a very low flow resistance.
- the power consumption of a process air blower of the device compared to the power consumption of the process air blower of DE 10 2014 21 1 303 A1 described device can be reduced, which is associated with a lower power consumption of the device.
- the complete elimination of vortex shedding less noise is generated during a drying process, which is accompanied by a quieter operation of the device.
- the drying air can be introduced with minimal flow resistance in the air inlet opening.
- the leading edge may in particular be a lower leading edge of the air inlet opening.
- the aligned with the leading edge of the air inlet opening end of the air duct section may be formed by the deflecting section or by a relation to the drying air flow downstream of the deflecting section subsequent portal section. According to the invention, therefore, the air path of the drying air is optimized by the bottom group in terms of flow resistance and noise. As a result, the power consumption of the process air blower can be significantly reduced. A maximum achievable volume flow of the drying air through the drying air circuit run can be increased significantly, which leads to better performance values.
- the portion of drying air which emerges from a bottom portion of the condenser near the bottom of the load can be raised to a certain extent onto the inlet edge of the air inlet opening closest to the plane of arrangement of the support floor, without encountering a baffle or flow edge into the duct section of the drying air circuit to be initiated.
- the amount of drying air can be raised from the height level of the bottom edge of the bottom side of the condenser near the bottom to the height level of the bottom inlet edge of the air inlet opening.
- the partition bottom forms a bottom wall portion of a heat pump section of the drying air cycle of the laundry drying apparatus formed by the floor group. During a drying process, the drying air is circulated in the drying air circuit and thereby passed through the heat pump section.
- the drying air flows around the heat exchanger of the heat pump of the underbody, which are arranged within the heat pump section, wherein the condenser and, if appropriate, additionally an evaporator stand on the separating floor.
- the dividing floor may have the support section for supporting the condenser of the heat pump of the floor assembly and also a support section for supporting the evaporator of the heat pump.
- the separation tray thus serves to carry at least the condenser and to guide the drying air during a drying operation performed by the apparatus for drying laundry.
- the depression formed on the support section for the condenser is preferably trough-like, waterproof and open towards the condenser.
- the base of the depression on which the condenser can be erected can be arranged on the bottom side completely below a maximum liquid filling height of a condensate collecting basin of the floor assembly arranged below the separating floor. Since the depression is trough-shaped and waterproof, a bottom-side portion of the condenser arranged in the recess can be arranged lower than is possible with conventional separating trays, which are arranged completely above a maximum liquid filling height of a condensate collecting basin of a tumble dryer.
- the condenser could, at a high, in particular maximum, liquid level in the condensate collecting basin, come into direct contact with a liquid present in the condensate collecting basin. This danger would be even greater in a device that is equipped with a self-cleaning system for cleaning at least one heat exchanger of its heat pump, since in such a device, at least during a corresponding self-cleaning can accumulate a larger amount of liquid in the condensate collection basin.
- a corresponding immersion of the capacitor in a liquid contained in the condensate collecting basin would be associated with a loss of capacity of the condenser, since on the one hand the liquid would cool the condenser and thereby indirectly the drying air to be heated by the condenser and on the other hand the relative humidity in the environment of the condenser would be increased , which is ideally 0%.
- the plane of arrangement of the tray is to be understood as meaning a plane passing through portions of the tray that define a planar tray for supporting the capacitor.
- the fact that the air inlet opening is arranged at a distance from an arrangement plane of the support floor means, in particular, that the arrangement plane of the support floor does not run through the air inlet opening. This is given for example in the floor assembly according to DE 10 2014 21 1 303 A1.
- the air guide section arranged downstream of the support section relative to the drying air flow in the drying air circuit can be connected directly to the support floor directly or via an intermediate section. Since the deflection of the partition starting from the support bottom in the direction of the channel section eddy edges increases, along with a continuous flow of drying air is continuously deflected along the support base, so not jumped away from the plane of the support base to flow under a minimum flow resistance in the channel section can.
- the separating floor can also have two or more air guide sections according to the invention.
- the air guiding section can be formed partially or completely by the deflecting section.
- the air guide section can be made monolithic with the rest of the separating floor.
- the deflection section is designed in the form of a ramp pointing in the direction of the air inlet opening.
- the air guide section may at least partially have a convexly or concavely curved, airfoil surface free of flow edges.
- the air guiding section comprises at least one portal section running parallel to the plane of arrangement of the supporting floor, which adjoins the deflection section downstream of the drying air flow.
- the portal section or its surface coming into contact with the drying air can be aligned with an entry edge of the air inlet opening.
- the deflection section is, for example via a convex rounding or the like, without a flow edge in the portal section over.
- the floor panel comprises a condensate collecting basin arranged below the separating floor, wherein the supporting floor is arranged completely below a maximum liquid filling height of the condensate collecting basin.
- the installation space for the condenser can be increased so that a larger condenser with a larger volume can be installed to increase the effectiveness of the heat pump of the floor group. Since the condenser is placed on the support bottom of the watertight recess of the support section, the larger condenser does not come into contact with any in the condensate catch basin. even if the amount of liquid present in the condensate collecting basin reaches the maximum liquid filling level of the condensate collecting basin.
- An apparatus according to the invention for drying laundry comprises a floor assembly according to one of the aforementioned embodiments or any combination of at least two of these configurations with one another.
- the unit is designed to dry wet and / or wet laundry using condensation drying.
- the device includes a drying air circuit that is partially formed by the floor assembly.
- the device can be designed as a household appliance in the form of a tumble dryer or a washer-dryer.
- Fig. 1 is a schematic sectional view of an embodiment of a floor assembly
- Fig. 2 is a schematic and perspective view of the partition shown in Fig. 1;
- Fig. 3 is a schematic sectional view of the in Figs. 1 and 2 shown dividing floor.
- Fig. 1 shows a schematic sectional view of an embodiment of a floor assembly 1 for a device 2 for drying laundry.
- the floor assembly 1 comprises a partition floor 3 having a support section 4 for supporting a condenser 5 of a heat pump of the floor assembly 1 and a support section 6 for supporting an evaporator, not shown, of the heat pump.
- the separating bottom 3 forms a bottom wall portion of a formed by the bottom group 1 heat pump portion 14 of a not shown drying air cycle of the device 2.
- the heat pump section 14 is closed at the opposite side of the separating bottom 3 with a lid, not shown.
- a trough-like, waterproof and condenser 5 towards open recess 7 is formed such that a support base 8 of the recess 7, on which the condenser 5 is placed, bottom side completely below a maximum diesstechniks spall Love 9 of a bottom side below the dividing floor.
- condensate collecting basin 10 of the floor group 1 is arranged.
- the floor assembly 1 further comprises a downstream with respect to a direction indicated by the arrow 1 1 drying air flow to the support section 4 channel section 12 with an air inlet opening 13 which is arranged spaced from an assembly plane 18 of the support floor 8.
- the air inlet opening 13 is arranged offset upwards relative to the arrangement plane 18 or geodetically higher than the support floor 8.
- the channel section 12 forms part of the drying air circuit.
- the separating bottom 3 comprises an air-guiding section 15, which is arranged downstream of the carrying section 4 with respect to the drying-air flow and which has a deflecting section 16 ascending from the carrying base 8 in the direction of the channel section 12.
- the deflection section 15 is in the form of a ramp pointing in the direction of the air inlet opening 13.
- the air-guiding section 15 comprises a portal section 17 which runs parallel to the arrangement plane 18 of the support floor 8 and which adjoins the deflection section 16 downstream of the drying air flow. An end facing away from the recess 7 of the Heilleitabitess 15 and the portal portion 17 is aligned with a lower leading edge 19 of the air inlet opening 13.
- FIG. 2 shows a schematic and perspective view of the partition floor 3 shown in FIG. 1.
- the support sections 4 and 6 of the partition floor 3 are shown, wherein on the support section 4, the recess 7 is formed with the support base 8.
- the air guide section 15 arranged on the support section 4 comprises the ramp-shaped deflection section 16 and the portal section 17 adjoining it from the recess 7.
- Fig. 3 shows a schematic sectional view of the in Figs. It can be seen in particular that the air-guiding section 15 has the ramp-shaped deflection section 16 and the portal section 17 adjoining it from the recess 7.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL17728158T PL3469136T3 (pl) | 2016-06-09 | 2017-06-01 | Zespół dolny do urządzenia do suszenia prania i urządzenie do suszenia prania |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016210166.8A DE102016210166A1 (de) | 2016-06-09 | 2016-06-09 | Bodengruppe für ein Gerät zum Trocknen von Wäsche und Gerät zum Trocknen von Wäsche |
| PCT/EP2017/063284 WO2017211673A1 (de) | 2016-06-09 | 2017-06-01 | Bodengruppe für ein gerät zum trocknen von wäsche und gerät zum trocknen von wäsche |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3469136A1 true EP3469136A1 (de) | 2019-04-17 |
| EP3469136B1 EP3469136B1 (de) | 2021-09-01 |
Family
ID=59014615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17728158.1A Active EP3469136B1 (de) | 2016-06-09 | 2017-06-01 | Bodengruppe für ein gerät zum trocknen von wäsche und gerät zum trocknen von wäsche |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3469136B1 (de) |
| CN (1) | CN109312527B (de) |
| DE (1) | DE102016210166A1 (de) |
| PL (1) | PL3469136T3 (de) |
| WO (1) | WO2017211673A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018210525A1 (de) * | 2018-06-27 | 2020-01-02 | BSH Hausgeräte GmbH | Bodengruppe für ein Gerät zum Trocknen von Wäsche |
| CN118830918B (zh) * | 2024-06-25 | 2025-04-22 | 北京纳通医用机器人科技有限公司 | 路径规划方法、装置、设备和存储介质 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004135755A (ja) * | 2002-10-16 | 2004-05-13 | Matsushita Electric Ind Co Ltd | 洗濯乾燥機 |
| JP4817816B2 (ja) * | 2005-11-24 | 2011-11-16 | 株式会社東芝 | 衣類乾燥機 |
| JP5075731B2 (ja) * | 2008-05-12 | 2012-11-21 | 株式会社東芝 | 洗濯乾燥機 |
| KR101542389B1 (ko) * | 2009-02-05 | 2015-08-06 | 엘지전자 주식회사 | 히트펌프모듈 및 히트펌프모듈을 이용한 건조장치 |
| EP2573252B1 (de) * | 2011-09-26 | 2014-05-07 | Electrolux Home Products Corporation N.V. | Wäschebehandlungsvorrichtung mit Wärmepumpe |
| EP2573253B1 (de) * | 2011-09-26 | 2016-09-07 | Electrolux Home Products Corporation N.V. | Wärmepumpentrockner |
| JP2013150774A (ja) * | 2011-12-27 | 2013-08-08 | Panasonic Corp | 洗濯乾燥機 |
| EP2628845A1 (de) * | 2012-02-20 | 2013-08-21 | Electrolux Home Products Corporation N.V. | Wäschebehandlungsmaschine mit Wärmetauscher und Prozessluftkanal |
| KR101919887B1 (ko) * | 2012-05-15 | 2018-11-19 | 엘지전자 주식회사 | 의류건조기 |
| JP6023976B2 (ja) * | 2012-07-19 | 2016-11-09 | パナソニックIpマネジメント株式会社 | 衣類乾燥機 |
| EP2708639A1 (de) * | 2012-09-14 | 2014-03-19 | Electrolux Home Products Corporation N.V. | Haushaltsgerät mit einer Flüssigkeitsleitungsvorrichtung |
| WO2014169955A1 (en) * | 2013-04-17 | 2014-10-23 | Electrolux Appliances Aktiebolag | Laundry dryer |
| EP2843115B1 (de) * | 2013-08-27 | 2018-05-16 | Electrolux Appliances Aktiebolag | Wäschetrockner mit drehtrommel |
| EP2843119B1 (de) * | 2013-08-30 | 2017-10-11 | Electrolux Appliances Aktiebolag | Wäschebehandlungsmaschine mit Überhitzungsvermeidungssystem |
| DE102014211303A1 (de) | 2014-06-13 | 2015-12-17 | BSH Hausgeräte GmbH | Bodengruppe für einen Wäschetrockner, sowie Wäschetrockner mit einer solchen |
| EP2990523B1 (de) * | 2014-08-29 | 2017-03-29 | Electrolux Appliances Aktiebolag | Wärmepumpenwäschetrockner |
| DE102014224214A1 (de) * | 2014-11-27 | 2016-06-02 | BSH Hausgeräte GmbH | Wäschetrocknungsgerät und Verfahren zum Betreiben eines Wäschetrocknungsgeräts |
-
2016
- 2016-06-09 DE DE102016210166.8A patent/DE102016210166A1/de not_active Withdrawn
-
2017
- 2017-06-01 WO PCT/EP2017/063284 patent/WO2017211673A1/de not_active Ceased
- 2017-06-01 PL PL17728158T patent/PL3469136T3/pl unknown
- 2017-06-01 CN CN201780035536.9A patent/CN109312527B/zh active Active
- 2017-06-01 EP EP17728158.1A patent/EP3469136B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3469136B1 (de) | 2021-09-01 |
| WO2017211673A1 (de) | 2017-12-14 |
| CN109312527A (zh) | 2019-02-05 |
| CN109312527B (zh) | 2021-03-26 |
| DE102016210166A1 (de) | 2017-12-14 |
| PL3469136T3 (pl) | 2022-01-10 |
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