CN102906327A - Thermoelectric heat pump laundry dryer wherein energy is saved - Google Patents
Thermoelectric heat pump laundry dryer wherein energy is saved Download PDFInfo
- Publication number
- CN102906327A CN102906327A CN201180027594XA CN201180027594A CN102906327A CN 102906327 A CN102906327 A CN 102906327A CN 201180027594X A CN201180027594X A CN 201180027594XA CN 201180027594 A CN201180027594 A CN 201180027594A CN 102906327 A CN102906327 A CN 102906327A
- Authority
- CN
- China
- Prior art keywords
- cooling
- condenser
- air
- 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.)
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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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The present invention relates to a laundry dryer (1) comprising a drum (2) wherein the laundry is placed, a drying duct (3) wherein the process air is circulated, a heater (4) that heats the process air, a condenser (5) that condenses the process air, a process air fan (6) that circulates the process air in the drying duct (3), a cooling fan (7) that cools the condenser (5), a motor (8) that drives the process air fan (6) and the cooling fan (7) together, a cooling duct (9) that directs the air sucked from the outer environment by the cooling fan (7) onto the condenser (5) and a thermoelectric heat pump (12) disposed in the drying duct (3), having a cold side (10) that condenses the process air passing thereover by cooling and a hot side (11) that heats the process air passing thereover.
Description
Technical field
The present invention relates to clothesdrier, it comprises thermoelectric heatpump and wherein energy-conservation by the usefulness that has increased thermoelectric heatpump.
Background technology
Therein in closed circulation so that in the clothesdrier of dry air circulation, the movable dry air that gets up removes the moisture of clothing through the clothing transmission by fan, and in the condensation of condenser place aerial steam.Dry air at the condenser place through dehumidifying is heated through the heater transmission subsequently, and the air with drying of heat is delivered to clothing.In the prior art, except condenser and heater, thermoelectric heatpump also is known as Po Er and pastes (Peltier) element, also uses in clothesdrier.Thermoelectric heatpump has hot side and cold side, and carries out two kinds of functions of the described dry air of condensation and heat drying air by cooling.The hot side of employed thermoelectric heatpump is being supported heater in clothesdrier, and cold side is being supported condenser.In the process of drying clothes, when transmitting through condenser, dry air cooled off to a certain extent dry air, afterwards, through the thermoelectric heatpump transmission, and also realized dehumidification process to dry air with two steps thus.Equally, also realize heating process with two steps.Dry air has almost completely been removed the moisture that is contained in wherein by condenser and thermoelectric heatpump, and dry air passes through the hot side of thermoelectric heatpump and is heated to a certain extent, and afterwards, so that heating process has been finished in the transmission of dry air process heater.For the efficient drying process in the clothesdrier, the cooling load of condenser and thermoelectric heatpump should be balanced, and wherein heater, condenser and thermoelectric heatpump use together.If the cooling load air capacity of condensation (namely need to be cooled and) is not assigned to condenser and thermoelectric heatpump equably, has prolonged so the duration of dry run and increased energy consumption.Particularly in the period of heating when dry run begins and the final drying phase when dry run finishes, because the shortcoming of thermoelectric heatpump, it is uneven that cooling load becomes, and then compensated more substantial cooling load by condenser, and reduced the cooling load of thermoelectric heatpump.The reduction that reduces to have caused heat efficiency and efficient of the cooling load of thermoelectric heatpump.
In the clothesdrier of explaining in European patent No EP1108812, the use procedure air fan is come be used to the described process air that circulates, and has used cooling fan to come be used to cooling off described condenser.Rotate two fans by single-motor.In the part of dry cycle duration, in the opposite direction rotated cooling fan with the volume flow of the air that reduces to be delivered to condenser.
In international patent application No. WO2008052906, explained to be used for the method for operation clothesdrier, and wherein saved energy.In the method that adopts, in the period of heating when dry run begins, operated off and on the process air fan.
Summary of the invention
The object of the invention is to realize a kind of clothesdrier, it comprises thermoelectric heatpump and wherein energy-conservation by the usefulness that has increased thermoelectric heatpump.
The clothesdrier of realizing in order to reach purpose of the present invention is explained in the first claim and the requirement of its respective right, comprise thermoelectricity (Po Er subsides) heat pump, it has hot side and cold side, the movable process air that gets up continues its path drying tube from condenser, cold side, hot side and heater transmission respectively after leaving cylinder by the process air fan, and again to be delivered to cylinder through dehumidifying and through the state of heating.The period of heating when dry run begins and/or the final drying when dry run finishes are interim, prevent or limit service speed and the direction that does not need to change the motor that rotates described cooling fan from external environment condition suction air delivery to condenser by means of the valve that places cooling tube.Thereby in these periods of described dry run, by reducing the usefulness of condenser, the function of cooling off this process air mainly is transferred to thermoelectric heatpump.
In one embodiment of this invention, valve is by cutting out the flow of cooling air that cooling tube stops condenser fully in the period of heating when dry run begins and/or the last dry period when dry run finishes.
In another embodiment of the present invention, the opening that has than the narrower surface area of cooling tube is arranged on the valve.When the period of heating when dry run begins and/or the final drying when dry run finishes is interim when valve is changed to the closed position, the Air Flow in the cooling tube is subject to the opening restriction and is delivered to condenser.
In another embodiment of the present invention, guiding mechanism places valve or cooling tube, and it is used for changing the area of opening.
In another embodiment of the present invention, valve places between cooling fan and the condenser.
In another embodiment of the present invention, valve places the cooling air intake place, and cooling tube is open laterally by cooling air intake.
In clothesdrier of the present invention, the period of heating and/or the final drying when dry run finishes are interim when the beginning of dry run, by means of valve, cut off the cooling-air that is delivered to condenser fully or reduced the volume flow of air, reduce thus the usefulness of condenser, the major part of the condensation load of condenser is transferred to thermoelectric heatpump and comes energy-conservation by the efficient that improves thermoelectric heatpump.
Description of drawings
The clothesdrier of realizing in order to reach purpose of the present invention is shown in the drawings, in the accompanying drawings:
Fig. 1 is the schematic diagram of clothesdrier.
Fig. 2 is the schematic diagram of cooling tube, condenser, cooling fan and the valve settled at the cooling tube that is arranged in clothesdrier.
Fig. 3 is the schematic diagram of cooling tube, condenser, cooling fan and the valve settled at the cooling tube that is arranged in clothesdrier in another embodiment of the present invention.
At element shown in the drawings such as lower mark:
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 side
12. thermoelectric heatpump
13. valve
14. opening
15. guiding mechanism
16. cooling air intake.
The specific embodiment
This clothesdrier (1) comprises main body; Cylinder (2) is wherein placed clothing; Drying tube (3), the process that wherein circulated 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 has driven cylinder (2), process air fan (6) and cooling fan (7) together; Cooling tube (9), its will by cooling fan (7) from the air guide of external environment condition suction to condenser (5); And thermoelectric heatpump (12), it places described drying tube (3), have cold side (10) and hot side (11), cold side (10) by cooling condensation the process air that transmits through its, hot side (11) has heated the process air that transmits through its.
In clothesdrier (1), the movable process air that gets up continues its path by condenser (5), thermoelectric heatpump (12) and heater (4) afterwards and comes again with through dehumidifying and state through heating is delivered to cylinder (2) leaving cylinder (2) in drying tube (3) by process air fan (6).Utilization by cooling fan (7) from external environment condition suction and cooled off condenser (5) by the air that cooling tube (9) is sent, and condenser (5) condensation by its process air.
In clothesdrier (1), realized dry run with three phases.The phase I of dry run is known as the period of heating, and phase at this moment, heater (4) is operating higher running time, and primary and foremost purpose is heating described clothesdrier (1).The second stage of dry run is known as steady-state process or dry period, and heater (4) in dry run to operate the running time of being scheduled to for steady-state process.The phase III of dry run is known as the final drying phase.In this stage, the airborne moisture of the process that is contained in significantly reduces, because dry run approach to finish, slowly reduces the running time of heater (4) and heater (4) is turned off when the scheduled time finishes fully.
Clothesdrier of the present invention (1) comprises valve (13), it places cooling tube (9), it is by closing cooling tube (9) and prevent or limit flowing of the air that is delivered to condenser (5) in the last dry period in the period of heating and/or when dry run finishes when dry run begins, and do not change speed and the direction of operating of the motor (8) of the described cooling fan of rotation (7).
In clothesdrier (1), in the period of heating when dry run begins, heater (4) and thermoelectric heatpump (12) heat described process air by consuming large energy.Condenser (5) changed to passive site or reduce its in the usefulness of the period of heating until the temperature of process air arrives dry period (stable state) value, this has improved the efficient of dry run and has reduced energy consumption.Valve (13) cuts out the period of heating when dry run begins, and prevents from thus or limited air being delivered to condenser (5) from cooling fan (7).Owing to having reduced the usefulness of condenser (5), the process air is not cooled by condenser (5), and arrives the cold side (10) of thermoelectric heatpump (12).By the process air is delivered to the cooling load that thermoelectric heatpump (12) has increased thermoelectric heatpump (12) with uncolled state, also increased thus the usefulness of hot side (11) according to the operating principle of thermoelectric heatpump (12), and hot side (11) is sent more heats to the process air.
In the second stage of dry run, that is, at dry period, valve (13) is opened, and allows air to flow to condenser (5) and thereby so that condenser (5) is realized its condensation function effectively from cooling tube (9).
Final drying when dry run finishes is interim, has closed valve (13) as in the period of heating when beginning, prevents from or limit air being delivered to condenser (5) from cooling tube (9).Therefore, although the airborne amount of moisture of process reduces, the process air transmits and arrives the cold side (10) of thermoelectric heatpump (12) without condensation ground from condenser (5), and the function of the described process air of condensation is transferred to cold side (10).Thereby in the period of heating when beginning, more heat is issued to the process air from hot side (11), has improved the operating efficiency of thermoelectric heatpump (12) and has reduced energy consumption.
In one embodiment of this invention, valve (13) has stopped flow of cooling air to condenser (5) by cutting out cooling tube (9) in the dry period last in the period of heating when dry run begins and/or when dry run finishes fully.
In another embodiment of the present invention, this clothesdrier (1) comprises opening (14), it places on the valve (13), have than the narrower surface area of cooling tube (9) surface area in the direction perpendicular to Air Flow, in its period of heating when dry run begins and/or the final drying when dry run finishes interim by the restriction but not exclusively stop to send flow of cooling air to condenser (5) (Fig. 2).
In this embodiment, also not exclusively change to passive site in the period of heating and the interim described condenser of final drying (5), reduce to flow to from cooling tube (9) volume flow of the air of condenser (5) by means of opening (14), and improved the usefulness of thermoelectric heatpump (12) by the usefulness that reduces condenser (5).
In one embodiment of this invention, this clothesdrier (1) comprises guiding mechanism (15), it places valve (13) or cooling tube (9), so that change (Fig. 3) perpendicular to the surface area of the opening (14) of air-flow direction.Guiding mechanism (15) passes through in the closed position adjustment of valve (13) volume flow of the air of opening (14) by the surface size that increases, reduces opening (14).
In one embodiment of this invention, valve (13) places between the inherent cooling fan of cooling tube (9) (7) and the condenser (5).
In another embodiment of the present invention, this clothesdrier (1) comprises a kind of cooling air intake (16), cooling tube (9) is opened to external environment condition from main body by cooling air intake (16), and valve (13) places cooling air intake (16) to locate.
In clothesdrier (1), the period of heating when dry run begins and the final drying when dry run finishes are interim, by means of valve (13), cut off the volume flow that is delivered to air or the reduction air of condenser (5) by cooling fan (7) from cooling tube (9) fully.In the stage of the dry run of mentioning, reduced the usefulness of condenser (5), come the function of condensation process air mainly to be transferred to thermoelectric heatpump (12) by cooling off described process air, and reduced energy consumption by the efficient that has improved 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), need not to stop or slowing down the usefulness that motor (8) reduces condenser (5).
Should be appreciated that, the present invention is not subject to embodiment restriction disclosed above, and those skilled in the art can be easy to introduce different embodiment.These should be thought in the protection domain that is set by claim of the present invention.
Claims (6)
1. a clothesdrier (1) comprising: cylinder (2), wherein place clothing; Drying tube (3), wherein cyclic process air; Heater (4), it heats described process air; Condenser (5), the described process air of its condensation; Process air fan (6), the described process air in its described drying tube (3) that circulates; Cooling fan (7), it cools off described condenser (5); Motor (8), it drives described cylinder (2), described process air fan (6) and described cooling fan (7) together; Cooling tube (9), its will by described cooling fan (7) from the air guide of external environment condition suction to described condenser (5); And, thermoelectric heatpump (12), it places described drying tube (3), have cold side (10) and hot side (11), the described process air that described cold side (10) comes condensation to transmit through it by cooling, the described process air that described hot side (11) heating is transmitted through it, it is characterized in that, valve (13), it places described cooling tube (9), and it is by the period of heating when described dry run begins and/or close described cooling tube (9) in the last dry period prevent or limit the Air Flow that is delivered to described condenser (5) when described dry run finishes.
2. clothesdrier according to claim 1 (1) is characterized in that, described valve (13) is cut to the flow of cooling air of described condenser (5) by cutting out described cooling tube (9) fully.
3. clothesdrier according to claim 1 (1), it is characterized in that, opening (14), it places on the described valve (13), have than the narrower area of described cooling tube (9), it is directed to described condenser (5) by limiting described flow of cooling air with described flow of cooling air.
4. according to each described clothesdrier (1) in the aforementioned claim, it is characterized in that, guiding mechanism (15), it places described valve (13) or described cooling tube (9), and so that the area change of described opening (14).
5. according to each described clothesdrier (1) in the aforementioned claim, it is characterized in that, described valve (13) places between described cooling fan (7) and the described condenser (5).
6. each described clothesdrier (1) in 4 according to claim 1, it is characterized in that, cooling air intake (16), described cooling tube (9) opens from described main body to external environment condition by described cooling air intake (16) 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 true CN102906327A (en) | 2013-01-30 |
| CN102906327B 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) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544144A (en) * | 2014-10-28 | 2016-05-04 | Lg电子株式会社 | Clothes treating apparatus and control method thereof |
| 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 |
| CN112779741A (en) * | 2019-11-07 | 2021-05-11 | 惠而浦公司 | Drying apparatus |
Families Citing this family (6)
| 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 |
| 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 |
| 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 |
| WO2009016173A1 (en) * | 2007-08-02 | 2009-02-05 | Arcelik Anonim Sirketi | A washer/dryer |
-
2011
- 2011-05-20 WO PCT/EP2011/058277 patent/WO2011151204A2/en active Application Filing
- 2011-05-20 EP EP11720308.3A patent/EP2576889B1/en not_active Not-in-force
- 2011-05-20 CN CN201180027594.XA patent/CN102906327B/en not_active Expired - Fee Related
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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544144A (en) * | 2014-10-28 | 2016-05-04 | Lg电子株式会社 | Clothes treating apparatus and control method thereof |
| CN105544144B (en) * | 2014-10-28 | 2017-10-24 | Lg电子株式会社 | Device for clothing processing and its control method |
| US10184206B2 (en) | 2014-10-28 | 2019-01-22 | Lg Electronics Inc. | Clothes treating apparatus and control method thereof |
| 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 |
| CN112779741A (en) * | 2019-11-07 | 2021-05-11 | 惠而浦公司 | Drying apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2576889B1 (en) | 2014-04-30 |
| WO2011151204A2 (en) | 2011-12-08 |
| CN102906327B (en) | 2015-09-23 |
| WO2011151204A3 (en) | 2012-03-08 |
| EP2576889A2 (en) | 2013-04-10 |
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