CN102906327B - Energy-conservation thermoelectric heatpump clothesdrier - Google Patents
Energy-conservation thermoelectric heatpump clothesdrier Download PDFInfo
- Publication number
- CN102906327B CN102906327B CN201180027594.XA CN201180027594A CN102906327B CN 102906327 B CN102906327 B CN 102906327B CN 201180027594 A CN201180027594 A CN 201180027594A CN 102906327 B CN102906327 B CN 102906327B
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- CN
- China
- Prior art keywords
- cooling
- air
- condenser
- process air
- clothesdrier
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- 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.)
- Expired - Fee Related
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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
- D06F58/206—Heat pump arrangements
Abstract
The present invention relates to a kind of clothesdrier (1), comprising: cylinder (2), wherein place clothing; Drying tube (3), wherein circulated process air; Heater (4), its heating process air; Condenser (5), its condensation process air; Process air fan (6), it circulates in the process air in drying tube (3); Cooling fan (7), its cooler condenser (5); Motor (8), it drives process air fan (6) and cooling fan (7) together; Cooling tube (9), it will be directed to condenser (5) from the air that external environment condition is aspirated by cooling fan (7); And, thermoelectric heatpump (12), it is placed in drying tube (3), there are cold side (10) and hot side (11), cold side (10) process air that condensation is transmitted through its by cooling, hot side (11) heated the process air transmitted through it.
Description
Technical field
The present invention relates to clothesdrier, it comprises thermoelectric heatpump and wherein by adding the usefulness of thermoelectric heatpump and energy-conservation.
Background technology
In the clothesdrier making dry air circulate wherein in closed circulation, the dry air that activity is got up by fan removes the moisture of clothing through clothing transmission, and in the condensation of condenser place aerial steam.At condenser place through dehumidifying dry air heated through heater transmission subsequently, and heat be delivered to clothing with the air of drying.In the prior art, except condenser and heater, thermoelectric heatpump, is also referred to as Peltier (Peltier) element, also uses in clothesdrier.Thermoelectric heatpump has hot side and cold side, and performs two kinds of functions of dry air described in condensation and heat drying air by cooling.The heat of the thermoelectric heatpump used in clothesdrier is collateral holds heater, and cold side supports condenser.In the process of drying clothes, when condenser transmits, cool dry air at dry air to a certain extent, afterwards, through thermoelectric heatpump transmission, and also achieve the dehumidification process to dry air with two steps thus.Equally, also heating process is realized with two steps.Dry air almost completely removes by condenser and thermoelectric heatpump the moisture be contained in wherein, and dry air is heated to a certain extent through the hot side of thermoelectric heatpump, and afterwards, make dry air through heater transmission to complete heating process.In order to the efficient drying process in clothesdrier, the cooling load of condenser and thermoelectric heatpump should be balanced, and wherein heater, condenser use together with thermoelectric heatpump.If cooling load (namely needing air capacity that is cooled and condensation) is not evenly distributed condenser and thermoelectric heatpump, so extends the duration of dry run and add energy ezpenditure.The final drying phase in the period of heating particularly when dry run starts and at the end of dry run, due to the shortcoming of thermoelectric heatpump, cooling load becomes uneven, then compensate for more substantial cooling load by condenser, and reduce the cooling load of thermoelectric heatpump.The reduction of the cooling load of thermoelectric heatpump result in the reduction of heat efficiency and efficiency.
In the clothesdrier explained in European patent No EP1108812, use procedure air fan for the described process air that circulates, and employs cooling fan for cooling described condenser.Two fans are rotated by single-motor.In the part of dry cycle duration, in the opposite direction have rotated cooling fan to reduce to be delivered to the volume flow of the air of condenser.
In international patent application No. WO2008052906, explain the method for operating clothesdrier, and wherein save energy.In adopted method, in the period of heating when dry run starts, operate process air fan off and on.
Summary of the invention
The object of the invention is to realize a kind of clothesdrier, it comprises thermoelectric heatpump and wherein by adding the usefulness of thermoelectric heatpump and energy-conservation.
The clothesdrier realized to reach object of the present invention is explained in the first claim and its respective right require, comprise thermoelectricity (Peltier) heat pump, it has hot side and cold side, the process air that activity is got up by process air fan continues its path drying tube from condenser, cold side, hot side and heater transmission respectively after leaving cylinder, and again with through dehumidifying and through heating state and be delivered to cylinder.The period of heating when dry run starts and/or the final drying at the end of dry run interim, prevent from by means of the valve being placed in cooling tube or limit being delivered to condenser from external environment condition withdrawing air and not needing to change the service speed of motor and direction that rotate described cooling fan.Thus, in these periods of described dry run, by reducing the usefulness of condenser, the function cooling this process air is mainly transferred to thermoelectric heatpump.
In one embodiment of this invention, valve is by cutting out cooling tube completely to stop the flow of cooling air of condenser in the period of heating when dry run starts and/or the last dry period at the end of dry run.
In another embodiment of the invention, the opening with surface area narrower than cooling tube is arranged on valve.When the period of heating when dry run starts and/or the final drying at the end of dry run is interim valve is changed to closed position time, in cooling tube air flowing be subject to opening restriction and be delivered to condenser.
In another embodiment of the invention, guiding mechanism is placed in valve or cooling tube, and it is used for changing the area of opening.
In another embodiment of the invention, valve is placed between cooling fan and condenser.
In another embodiment of the invention, valve is placed in cooling air intake place, and cooling tube is by cooling air intake opening laterally.
In clothesdrier of the present invention, when the beginning of dry run the period of heating and/or the final drying at the end of dry run interim, by means of valve, the cooling-air being delivered to condenser or the volume flow reducing air are cut off completely, reduce the usefulness of condenser thus, the major part of the condensation load of condenser is transferred to thermoelectric heatpump and comes energy-conservation by the efficiency improving thermoelectric heatpump.
Accompanying drawing explanation
Shown in the drawings in order to reach the clothesdrier that object of the present invention realizes, in the accompanying drawings:
Fig. 1 is the schematic diagram of clothesdrier.
The schematic diagram of cooling tube, condenser, cooling fan and valve of Fig. 2 for settling at the cooling tube being arranged in clothesdrier.
The schematic diagram of cooling tube, condenser, cooling fan and valve of Fig. 3 for settling at the cooling tube being arranged in clothesdrier in another embodiment of the invention.
Mark as follows at element shown in the drawings:
1. clothesdrier
2. cylinder
3. drying tube
4. heater
5. condenser
6. process air fan
7. cooling fan
8. motor
9. cooling tube
10. cold side
11. hot sides
12. thermoelectric heatpumps
13. valves
14. openings
15. guiding mechanisms
16. cooling air intakes.
Detailed description of the invention
This clothesdrier (1) comprises main body; Cylinder (2), wherein places clothing; Drying tube (3), wherein circulated process air; Heater (4), its heating process air; Condenser (5), its condensation process air; Process air fan (6), its process air in drying tube (3) that circulated; Cooling fan (7), its cooler condenser (5); Motor (8), it drives cylinder (2), process air fan (6) and cooling fan (7) together; Cooling tube (9), it will be directed to condenser (5) from the air that external environment condition is aspirated by cooling fan (7); And thermoelectric heatpump (12), it is placed in described drying tube (3), there are cold side (10) and hot side (11), cold side (10) process air that condensation is transmitted through its by cooling, hot side (11) heated the process air transmitted through it.
In clothesdrier (1), the process air that activity is got up by process air fan (6) continues its path by condenser (5), thermoelectric heatpump (12) and heater (4) after leaving cylinder (2) in drying tube (3) to be come again to be delivered to cylinder (2) with the state through dehumidifying and through heating.Utilize by cooling fan (7) from external environment condition aspirate and the air sent by cooling tube (9) to cool condenser (5), and condenser (5) condensation is by its process air.
Dry run is achieved with three phases in clothesdrier (1).The first stage of dry run is referred to as the period of heating, at this moment the phase, and heater (4) operated with higher running time, and primary and foremost purpose is the described clothesdrier of heating (1).The second stage of dry run is referred to as steady-state process or dry period, and heater (4) in dry run to operate the running time predetermined for steady-state process.The phase III of dry run is referred to as the final drying phase.In this stage, the moisture be contained in process air significantly reduces, because dry run is close to terminating, slowly to reduce the running time of heater (4) and heater (4) is turned off completely at the end of the scheduled time.
Clothesdrier of the present invention (1) comprises valve (13), it is placed in cooling tube (9), its flowing preventing by closing cooling tube (9) in the period of heating and/or dry period last at the end of dry run when dry run starts or limit the air being delivered to condenser (5), and the speed and the direction of operating that do not change the motor (8) rotating described cooling fan (7).
In clothesdrier (1), in the period of heating when dry run starts, heater (4) and thermoelectric heatpump (12) heat described process air by consuming large energy.Condenser (5) is changed to passive site or reduces its usefulness in the period of heating until the temperature of process air arrives dry period (stable state) value, which increase the efficiency of dry run and reduce energy ezpenditure.Valve (13) cuts out the period of heating when dry run starts, and prevent or limit air thus and is delivered to condenser (5) from cooling fan (7).Owing to reducing the usefulness of condenser (5), process air is not cooled by condenser (5), and arrives the cold side (10) of thermoelectric heatpump (12).By process air is delivered to uncolled state the cooling load that thermoelectric heatpump (12) adds thermoelectric heatpump (12), also add the usefulness of hot side (11) thus according to the operating principle of thermoelectric heatpump (12), and hot side (11) send more heats to process air.
In the second stage of dry run, that is, at dry period, valve (13) is opened, and allows air flow to condenser (5) from cooling tube (9) and thus make condenser (5) effectively realize its condensation function.
Final drying at the end of dry run is interim, closing valve (13), preventing from or limiting air being delivered to condenser (5) from cooling tube (9) as in the period of heating when starting.Therefore, although the amount of moisture in process air reduces, process air transmits from condenser (5) without condensation and arrives the cold side (10) of thermoelectric heatpump (12), and the function of process air described in condensation is transferred to cold side (10).Thus, as in the period of heating when starting, more heat is issued to process air from hot side (11), improves the operating efficiency of thermoelectric heatpump (12) and reduces energy ezpenditure.
In one embodiment of this invention, valve (13), by cutting out the flow of cooling air that cooling tube (9) stopped condenser (5) completely in dry period last in the period of heating when dry run starts and/or at the end of dry run.
In another embodiment of the invention, this clothesdrier (1) comprises opening (14), it is placed on valve (13), the direction of flowing perpendicular to air has the surface area narrower than cooling tube (9) surface area, and the final drying in its period of heating when dry run starts and/or at the end of dry run is interim not exclusively to be stopped sent flow of cooling air to condenser (5) (Fig. 2) by restriction.
In this embodiment, not exclusively change to passive site in the period of heating and the interim described condenser (5) of final drying, reduce the volume flow of the air flowing to condenser (5) from cooling tube (9) by means of opening (14), and improve the usefulness of thermoelectric heatpump (12) by the usefulness reducing condenser (5).
In one embodiment of this invention, this clothesdrier (1) comprises guiding mechanism (15), it is placed in valve (13) or cooling tube (9), makes the surface area perpendicular to the opening (14) of air-flow direction change (Fig. 3).Guiding mechanism (15) is come in the volume flow of the closed position of valve (13) adjustment by the air of opening (14) by the surface size increasing, reduce opening (14).
In one embodiment of this invention, valve (13) is placed between cooling tube (9) inherent cooling fan (7) and condenser (5).
In another embodiment of the invention, this clothesdrier (1) comprises a kind of cooling air intake (16), cooling tube (9) is by cooling air intake (16) from main body externally context open, and valve (13) is placed in cooling air intake (16) place.
In clothesdrier (1), the period of heating when dry run starts and the final drying at the end of dry run interim, by means of valve (13), cut off be delivered to the air of condenser (5) or the volume flow of reduction air by cooling fan (7) from cooling tube (9) completely.In the stage of mentioned dry run, reduce the usefulness of condenser (5), the function carrying out condensation process air by cooling described process air is mainly transferred to thermoelectric heatpump (12), and reduces energy ezpenditure by the efficiency that improve thermoelectric heatpump (12).
And, in clothesdrier of the present invention (1), because cylinder (2), process air fan (6) and cooling fan (7) are rotated together by motor (8), without the need to stopping or slowing down the usefulness that motor (8) reduces condenser (5).
Should be appreciated that, the present invention is not subject to embodiment disclosed above restriction, and those skilled in the art can be easy to introduce different embodiments.These should be thought in the protection domain set by claim of the present invention.
Claims (6)
1. a clothesdrier (1), comprising: cylinder (2), wherein places clothing, drying tube (3), wherein cyclic process air, heater (4), it heats described process air, condenser (5), process air described in its condensation, process air fan (6), its described process air in described drying tube (3) that circulates, cooling fan (7), it cools described condenser (5), motor (8), it drives described cylinder (2), described process air fan (6) and described cooling fan (7) together, cooling tube (9), it will be directed to described condenser (5) from the air that external environment condition is aspirated by described cooling fan (7), and, thermoelectric heatpump (12), it is placed in described drying tube (3), there are cold side (10) and hot side (11), described cold side (10) carrys out the described process air of condensation through its transmission by cooling, the described process air that described hot side (11) heating is transmitted through it, it is characterized in that, valve (13), it is placed in described cooling tube (9), it prevents by closing described cooling tube (9) in the period of heating when described dry run starts and/or dry period last at the end of described dry run or limits the air flowing being delivered to described condenser (5).
2. clothesdrier according to claim 1 (1), is characterized in that, described valve (13) is by cutting out the flow of cooling air that described cooling tube (9) is cut to described condenser (5) completely.
3. clothesdrier according to claim 1 (1), it is characterized in that, opening (14), it is placed on described valve (13), have the area narrower than described cooling tube (9), described flow of cooling air is directed to described condenser (5) by the described flow of cooling air of restriction by it.
4. clothesdrier according to claim 3 (1), is characterized in that, guiding mechanism (15), and it is placed in the closed position of described valve (13) and the area of described opening (14) is changed.
5. according to clothesdrier in any one of the preceding claims wherein (1), it is characterized in that, described valve (13) is placed between described cooling fan (7) and described condenser (5).
6. the clothesdrier (1) according to any one of claim 1 to 4, it is characterized in that, cooling air intake (16), described cooling tube (9) by described cooling air intake (16) from main body externally context open and described valve (13) is arranged to described cooling air intake (16).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TRA2010/04514 | 2010-06-04 | ||
| TR201004514 | 2010-06-04 | ||
| PCT/EP2011/058277 WO2011151204A2 (en) | 2010-06-04 | 2011-05-20 | A thermoelectric heat pump laundry dryer wherein energy is saved |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102906327A CN102906327A (en) | 2013-01-30 |
| CN102906327B true CN102906327B (en) | 2015-09-23 |
Family
ID=44119175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180027594.XA Expired - Fee Related CN102906327B (en) | 2010-06-04 | 2011-05-20 | Energy-conservation thermoelectric heatpump clothesdrier |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2576889B1 (en) |
| CN (1) | CN102906327B (en) |
| WO (1) | WO2011151204A2 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9140396B2 (en) | 2013-03-15 | 2015-09-22 | Water-Gen Ltd. | Dehumidification apparatus |
| WO2014180696A1 (en) * | 2013-05-09 | 2014-11-13 | Arcelik Anonim Sirketi | A thermoelectric heat pump laundry dryer |
| WO2015136393A1 (en) | 2014-03-11 | 2015-09-17 | Water-Gen Ltd. | Closed-cycle condenser dryer with heat regeneration |
| KR102364673B1 (en) * | 2014-10-28 | 2022-02-18 | 엘지전자 주식회사 | Laundry Machine and Control Method of the Laundry Machine |
| CN106884297B (en) * | 2015-12-16 | 2020-03-10 | 青岛海尔滚筒洗衣机有限公司 | Clothes drying equipment and clothes drying method |
| CN105937160A (en) * | 2016-05-31 | 2016-09-14 | 无锡小天鹅股份有限公司 | Clothes drying machine or washing and drying integrated machine |
| DE102020102838A1 (en) | 2020-02-05 | 2021-08-05 | Miele & Cie. Kg | Clothes dryer |
| US20230092538A1 (en) * | 2020-03-02 | 2023-03-23 | Lg Electronics Inc. | Clothing management apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1108812A1 (en) * | 1999-12-13 | 2001-06-20 | BSH Bosch und Siemens Hausgeräte GmbH | Domestic laundry drier with condenser and method of operating the same |
| CN101158099A (en) * | 2006-10-08 | 2008-04-09 | 海尔集团公司 | Washing machine drier employing heat pump as heat source |
| DE102008040853A1 (en) * | 2008-07-30 | 2010-02-04 | BSH Bosch und Siemens Hausgeräte GmbH | Condensation dryer with a heat pump and detection of an impermissible operating state and method for its operation |
| DE102008041019A1 (en) * | 2008-08-06 | 2010-02-11 | BSH Bosch und Siemens Hausgeräte GmbH | Condensation dryer with a heat pump and detection of an impermissible operating state and method for its operation |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006051505A1 (en) * | 2006-10-31 | 2008-05-08 | BSH Bosch und Siemens Hausgeräte GmbH | Method for operating a domestic appliance for the care of laundry |
| ATE487821T1 (en) * | 2007-08-02 | 2010-11-15 | Arcelik As | WASHER/DRYER |
-
2011
- 2011-05-20 WO PCT/EP2011/058277 patent/WO2011151204A2/en active Application Filing
- 2011-05-20 CN CN201180027594.XA patent/CN102906327B/en not_active Expired - Fee Related
- 2011-05-20 EP EP11720308.3A patent/EP2576889B1/en not_active Not-in-force
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1108812A1 (en) * | 1999-12-13 | 2001-06-20 | BSH Bosch und Siemens Hausgeräte GmbH | Domestic laundry drier with condenser and method of operating the same |
| CN101158099A (en) * | 2006-10-08 | 2008-04-09 | 海尔集团公司 | Washing machine drier employing heat pump as heat source |
| DE102008040853A1 (en) * | 2008-07-30 | 2010-02-04 | BSH Bosch und Siemens Hausgeräte GmbH | Condensation dryer with a heat pump and detection of an impermissible operating state and method for its operation |
| DE102008041019A1 (en) * | 2008-08-06 | 2010-02-11 | BSH Bosch und Siemens Hausgeräte GmbH | Condensation dryer with a heat pump and detection of an impermissible operating state and method for its operation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102906327A (en) | 2013-01-30 |
| WO2011151204A3 (en) | 2012-03-08 |
| WO2011151204A2 (en) | 2011-12-08 |
| EP2576889B1 (en) | 2014-04-30 |
| EP2576889A2 (en) | 2013-04-10 |
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