CN103827385A - Heat pump dryer - Google Patents
Heat pump dryer Download PDFInfo
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- CN103827385A CN103827385A CN201280046724.9A CN201280046724A CN103827385A CN 103827385 A CN103827385 A CN 103827385A CN 201280046724 A CN201280046724 A CN 201280046724A CN 103827385 A CN103827385 A CN 103827385A
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- heat exchanger
- process air
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- 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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Abstract
The invention relates to a laundry treatment apparatus, in particular a dryer or washing machine having drying function, comprising: a laundry storing chamber for treating laundry using process air (A), a process air loop for circulating the process air through the laundry storing chamber, a process air heat exchanger (26a) arranged at or in the process air loop, and a heat pump system for dehumidifying and heating the process air, the heat pump system having a refrigerant loop comprising: a first heat exchanger (10) for heating a refrigerant and cooling the process air (A), a second heat exchanger (12) for cooling the refrigerant and heating the process air, a refrigerant expansion device arranged in the refrigerant loop between the second heat exchanger (12) and the first heat exchanger (10), and a compressor arranged in the refrigerant loop between the first heat exchanger (10) and the second heat exchanger (12), wherein the process air loop comprises a comprises a process air channel, the process air channel comprising a channel section unit (20d) for deflecting the process air (A) coming from the laundry storing chamber from a vertically downward or an inclined vertical downward direction to a horizontal direction towards the first heat exchanger (10). According to the invention the process air heat exchanger (26a) is at least partially integrated in or is part of said channel section unit (20d) that is deflecting the process air (A), and/or at least a portion or a substantial portion of a heat exchanging interface surface of the process air heat exchanger (26a) is forming a wall portion defining an outer wall section of the process air channel.
Description
The present invention relates to a kind of clothes treatment device with heat pump, in this heat pump, the process air for clothing processing is dehumidified and heated.
In the drying machine that uses heat pump in closed process air loop, process air to be dehumidified and to heat, when system must remove excess energy from heat pump once reaching steady state operation.So-called stable state is best mode of operation, under this mode of operation, considers the energy consumption of drying clothes and heat pump, and the dehumidifying effect of evaporimeter and the heating efficiency of condenser have been optimized.Under stable state, excess energy is the heat energy that is introduced into system by compressor, and if these excess energies are not balanced, drive system is entered overtemperature and not good operation by it.According to prior art, known diverse ways balance excess energy in the time reaching stable state
For example, according to EP0197132B1 known a kind of drying machine with the heat pump for process air being dehumidified and heat.In one embodiment, process air is circulated to for process air being carried out to evaporimeter cooling and that dehumidify and condenser and return roller for heating process air from laundry drum in process air loop.In process air loop, between cylinder and evaporimeter, be provided with air-air heat exchanger, thereby this air-air heat exchanger is from process air removes the condensation of heat except evaporimeter, the airborne portion of water of process is condensed in air-air heat exchanger.It is corresponding with the energy that is dissipated to heat pump by compressor that heat removes ability.Air-air heat exchanger can have the corrugated metallic plate arranging at the back side place of dry casing.
According to the identical invention in JP2007-82586A, the air-air heat exchanger being provided by independent heat exchanger cylinder is provided clothesdrier, and this independent heat exchanger cylinder extends from the back side of laundry drum.
Except air-air heat exchanger, WO2008/086933A has proposed a kind of drying machine with the auxiliary condenser cooling by surrounding air and has removed heat with the refrigerant loop being used for from heat pump.
Target of the present invention is to provide a kind of clothes treatment device with heat pump, and wherein, process air heat exchanger is integrated in compactness and/or cost-saving mode.
The present invention is limited by claim 1.Set forth in the dependent claims the specific embodiment.
According to claim 1, a kind of clothes treatment device is provided, this clothes treatment device has the heat pump that dehumidifies and heat for the treatment of the clothing apotheca of clothing with for the process air to discharging by clothing apotheca.For balance is from least a portion thermal energy (, heat energy or hot temperature degree) of heat pump, be provided with process air heat exchanger, this process air heat exchanger removes a part of heat of the process air circulating in process air loop.Preferably, heat is from process transfer of air for example, to obtainable surrounding air (air/air heat exchanger) the operating environment of clothes treatment device.Air/air heat exchanger provides pre-cooled (before process air enters the first heat exchanger) to the process air of the first heat exchanger upstream.Process air heat exchanger can be arranged on the base portion place of equipment, wherein, advantageously, process air heat exchanger can with other elements combinations of heat pump.Process air heat exchanger be the process air duct that circulates therein of the process air in process air loop channel part segment unit a part or be incorporated in this channel part segment unit of process air duct.
Process air duct is got back to clothing apotheca from clothing apotheca guided procedure air and by the guiding of process air, and preferably apotheca is laundry drum.Process air duct one section---preferably prepass portion section or channel part segment unit---will guide downwards and make process air draught be deflected into horizontal direction from downward direction towards the base portion of clothes treatment device from clothing apotheca process air out." downwards " direction can comprise vertical and/or tilt or the flow path portion section of level even partly with respect to vertical (partly)---but, there is following actual effect: in channel part segment unit, process air is directed downwardly to lower height level (the routine operation orientation of clothes treatment device) from high height level.Preferably, deflect to the cell channel portion section that the process air of horizontal gas flow direction enters the first heat exchanger and/or process air duct.
According to the present invention, the process air that process air heat exchanger is incorporated into channel part segment unit is deflected into the part of horizontal direction or is deflected into therein the part of horizontal direction from downward direction for the process air of channel part segment unit from downward direction therein.Alternatively or additionally, the heat exchanger interface surface of process air heat exchanger or its major part (for example,, with respect to its heat exchange surface) form the wall portion as the outer wall of process air duct.Two kinds of solutions have all realized in the situation that not needing additional space requirement or not needing a large amount of additional space requirement with compact mode integration process air heat exchanger.
Preferably, process air heat exchanger is incorporated in channel part segment unit, and wherein, process air heat exchanger comprises cooling air channels, and this cooling air channels stretches by process air duct.Preferably, cooling air channels stretches by process air duct, make its fully by process air around.
In substituting configuration, portion's section of its outside outer wall extending of the restriction of the heat exchange surface between process air contact side and cooling-air contact side or interface formation process air duct.---preferably outer wall of channel part segment unit---is the integral part of process air heat exchanger to this means the outer wall of air duct.Preferably, the outer wall of air duct is the basic surface area part of its heat exchanger interface zone.Wherein, cooling-air only flows in the part in process air duct outside.
Preferably, process air loop is loop, and wherein, process air circulates continuously by clothing apotheca.But, process air loop also can be arranged to: (preferably less) part of process air for example, is introduced in process air loop to substitute the process air of discharge from the discharge of process air loop and fresh air (, surrounding air).And/or process air loop is temporarily opened (preferably only one of total processing time short section) so that open loop discharge.
Channel part segment unit represents one section of process air loop or a part and is not preferably conventionally ad hoc arranged to place or portion's section of setting up procedure air heat exchanger, if but heat pump system designs becomes not have process air heat exchanger, channel part segment unit is also by the portion's section arranging., process air heat exchanger does not need extra design and/or extra parts that process air heat exchanger is incorporated in process air loop.
Preferably, process air heat exchanger is arranged near the first heat exchanger and/or is positioned at the upstream of the first heat exchanger and the downstream in clothing apotheca.Thereby heat exchanger effectiveness and heat pump system efficiency are optimized, because heat energy is removed and provides pre-cooled to the first heat exchanger from process air under heat and high moisture condition.On the other hand, due to close the first heat exchanger, the condensate forming in process air heat exchanger can be guided or discharge the condensate collection device that most the first heat exchanger provides.In embodiment, process air heat exchanger is arranged in channel part section---and for example, in channel part segment unit, base housing or bottom shell that this channel part segment unit passes through the base portion portion section of clothes treatment device at least in part form.In this case, in the time that the condensate collection guiding structural of the condensate for being guided in the formation of process air heat exchanger place is collected and is directed to condensate collection device by being at least partially disposed on the structure of bottom shell, be favourable.
In one embodiment, channel part segment unit---process air heat exchanger is incorporated in this channel part segment unit or a part for this channel part segment unit at least in part---is arranged in the base portion portion section of equipment.Additionally or alternatively, the heat exchange interface surface between process air duct and process air heat exchanger cooling-air guidance surface or interface comprise at least 50%, 55%, 60%, 70%, 80% or 90% of total heat exchange interface surface of the process air heat exchanger of exchanged heat between cooling-air and process air.
In one embodiment, the base portion portion section of clothes treatment device has bottom shell, and this bottom shell is configured to define at least a portion of cell channel.Cell channel is a part for process air duct, in this part, is at least provided with the first heat exchanger (for example, evaporimeter) and the second heat exchanger (for example, condenser).Preferably, the element of at least a portion shape all-in-one-piece of bottom shell and cell channel or entirety, for example, formed by injection moulding of plastic materials.Preferably, bottom shell forms the bottom part of cell channel, and upper body forms the top part of cell channel.
In a preferred embodiment, channel part segment unit is lint filter unit (for example, filter compartment) and/or is the maintenance channel unit of equipment.Lint filter unit is for example arranged in the base portion of equipment, preferably can enter from the front portion of equipment, and have lint filter, and this lint filter removed fine hair from process air before process air enters the first heat exchanger.Process air heat exchanger and lint filter unit integrated means the minimum change of equipment and minimum change and can therefore realize cost savings.That this is applicable equally for safeguarding, the maintenance channel unit of the parts of clean or maintenance of equipment at channel part segment unit.For example, maintenance channel unit for example provides, from the path---opening casing and/or process air duct---of equipment shell outside to process air loop inside for cleaning and/or remove the heat exchanger fin of the first heat exchanger and/or the second heat exchanger.
Between the process air that process air heat exchanger circulates in process air loop and cooling-air, carry out heat exchange.Cooling-air is for example from equipment surrounding air around; But it can be also the air obtaining from air system or from the external environment condition of the position of operating equipment.Cooling-air can rise and be driven passively by convection current by the alternative place of colder cooling-air at the cooling-air of heating.In a preferred embodiment, cooling-air air-flow is driven to process air heat exchanger by air blast or is drawn from process air heat exchanger.Preferably, air blast is operated under the control of control module, make to control the startup of cooling-air, stop, operating duration, flow velocity and/or flow direction.For example, only when predetermined cryogenic temperature and/or pressure detected in refrigerant loop time, just start cooling-air stream.Drive on one's own initiative cooling-air air-flow that such advantage is also provided: the path of coming the design of adjustment process air heat exchanger and cooling-air according to the position relevant to the channel part segment unit that is provided with process air heat exchanger and technical need.For example, cooling-air can be laterally, straight up, verticallydownwardly or the mode with its combination flow and cross or by process air heat exchanger.
Preferably, be positioned at cover door or the skin plate place at equipment base portion place or covering door or skin plate for being blown into the air blast of cooling-air.Under the state of closing at cover door or skin plate, cover door or skin plate for example cover a part for the path of the service openings in the casing that leads to equipment and/or the process air duct of forming process air loop.For example, door or panel cover lint filter or maintenance channel unit.Preferably, air blast is flat air blast, this air blast to be blown into direction and air blast rotation (, helical blower) vertical.Preferably, cover door or panel are provided with opening to draw cooling-air and to be blown into cooling-air towards process air heat exchanger in casing.
Alternatively, air blast is arranged on a side place of process air heat exchanger and/or channel part segment unit and is laterally offset with respect to process air heat exchanger and/or channel part segment unit, or air blast be arranged on vertically process air heat exchanger and/or channel part segment unit above or below.In the situation that using lint filter unit or maintenance channel unit, in the direction for entering unit, there is not other extension and do not need additional space between process air heat exchanger and the outer surface of equipment shell.In one embodiment, air blast is arranged in the base portion portion section of equipment and with respect to the laterally offset of process air heat exchanger, and air guide device is arranged to air to be directed to process air heat exchanger from air blast, or air is directed to air blast from process air heat exchanger.Air blast can be arranged in the bottom portion section of channel part segment unit below or channel part segment unit, and air guide device is set so that cooling-air is directed to process air heat exchanger or is directed to air blast from process air heat exchanger from air blast.
In the time that air blast is arranged to laterally or straight down or up be offset with respect to channel part segment unit and/or process air heat exchanger, preferably be provided with cooling-air guide element or device, this cooling-air guide element or device are guided towards process air heat exchanger the cooling-air being promoted by air blast or draw or guide out from process air heat exchanger.Cooling-air guide element is for example one or more in following element: passage, guide plate, fin, nozzle, baffle plate or its combination.By air guide device (element), improve the efficiency of the heat exchange of the cooling-air being blown into.Preferably, air guide device is suitable for air draught be concentrated to process air heat exchanger surface and/or be evenly distributed on the surface of process air heat exchanger.Preferably, a part for the cover that air guide device is equipment shell or a part for panel or lint filter unit or maintenance channel unit.Therefore, provide dual-use function by air guide unit.
In one embodiment, at least the element working in heat exchange of process air heat exchanger is a part (itself and then forming process air loop a part) for process air duct.In this way, the length of process air loop can keep necessity shorter and configuration again to keep lower.Preferably, at least the heat exchange unit of process air heat exchanger is incorporated in door, compartment cover or the drawer of channel part segment unit, or form a part for door, compartment cover or the drawer of channel part segment unit, or as channel part segment unit, compartment cover or drawer.So, process air heat exchanger or its part are removable and can keep in repair from process air duct, for example, and can be cleaned at the section place of portion of process air loop inner side during equipment operating.
Alternatively or additionally, process air heat exchanger comprises at least one cooling air channels, this cooling air channels be partially or even wholly arranged in process air loop with process air thermo-contact mobile in process air duct.Because at least one cooling air channels is positioned at process air loop or crosses or by process air loop, therefore increased the process air of process air duct and contact surface and the cross section that process air heat exchanger carries out heat exchange at this.
Preferably, the heat exchange surface of process air heat exchanger is by increasing with one or more heat-conduction components, such as corrugated metallic plate, radiator element, heat exchanger breach, heat exchanger fin or its combination.One or more heat-conduction components in these heat-conduction components can be arranged on process air (, in process air loop inside) or with the surface of cooling-air (, in the outside of process air duct or the inner side of cooling air channels) contact on or this surface.
In one embodiment, process air heat exchanger and/or channel part segment unit comprise condensate collector element and/or condensate guide element, for being collected in the condensate that process air cooling period forms at process air heat exchanger.Preferably, condensate is collected in the condensate reservoir providing for the first heat exchanger is provided in channel part segment unit and via groove or passage.By condensate groove or passage, condensate can be guided out the ability to safeguard its heat exchange from process air heat exchanger.In the time of the condensate reservoir of use procedure air heat exchanger, do not need extra condensate and miscellaneous part (such as condensate pump or condensate liquid level detector) jointly to use.
Preferably, condensate collector element has groove or passage is equipped to the condensate reservoir of the first heat exchanger or is directed to collector by the first heat exchanger so that condensate is directed to.
When at least a portion of process air heat exchanger,---element preferably at least working in heat exchange---is arranged in process air duct place or process air duct removably, can take user easily mode as providing maintenance at the process air heat exchanger in equipment or process air loop outside.By removing at least a portion of process air heat exchanger, improve or obtained the path for another part for keeping in repair equally, the path of for example path of lint filter or the first heat exchanger, for clean or heat exchange.Preferably, the drawer that process air heat exchanger or its part are formed as taking out from process air duct---preferably takes out---convenience to strengthen the repetition standard repair that user removes for for example fine hair together with lint filter.Preferably, above-mentioned lint filter is the second lint filter, this second lint filter is arranged on the upstream of the first heat exchanger and the downstream of the first lint filter, and the first lint filter is for example arranged on for process air is entered from porch or this entrance of the front waist section of the process air duct of clothing holding compartment receiving course air.
In another remodeling, the second lint filter (above-mentioned lint filter) (and the first lint filter is preferably only set) is not set.In this case, preferably arrange by the flusher with at least one or more nozzle or liquid outlet with by spray liquid or be supplied to the first heat exchanger and/or the surface of process air heat exchanger, to remove or to wash off the fine hair that is collected in described surface.Flushing liquid can be the condensate from the first heat exchanger and/or the collection of process air heat exchanger at least partly.As implied above, condensate is collected guiding structural and is associated to collect and to be directed to condensate collection device at the condensate of the first heat exchanger and/or the formation of process air heat exchanger place with the first heat exchanger and/or process air heat exchanger.Therefore, condensate collection structure is simultaneously as flushing liquid collection structure.In this another remodeling, do not need (second) lint filter and therefore do not need to be provided for the filter compartment of (second) lint filter.In further result, in this remodeling, in process air duct, do not need for filter drawer is taken out in order to clean filter drawer and/or filter service cover or opening.But, in this remodeling, can provide maintenance and passage opening and lid or door, and can be by the inspection and maintenance (if necessary) of maintenance and passage opening and lid or door execution flushing unit.
In embodiment, equipment also comprises secondary unit, and this secondary unit is connected to the refrigerant loop of heat pump.Secondary unit is also used for removing---in stable state and/or after the heating period---and the waste heat of being disposed by compressor.Preferably, be provided with air blast so that flow of cooling air crosses or pass through secondary unit, and more preferably, the process air heat exchanger of being used to provides the air blast of cooling-air also cooling-air to be blown into secondary unit.Common air blast can provide cooling-air to secondary unit and process air heat exchanger concurrently, or first provides to process air heat exchanger and then provide to secondary unit, and vice versa.Air blast can be arranged between secondary unit and process air heat exchanger or their downstreams (absorption cooling-air) or upstream (being blown into cooling-air).Preferably, secondary unit is arranged on diapire or the side-walls of equipment shell.
With reference to preferred embodiment of the present invention, in the accompanying drawings example preferred embodiment of the present invention is illustrated in detail, accompanying drawing shows:
Fig. 1 is the schematic diagram with the drying machine of heat pump;
Fig. 2 is the stereogram of the base unit of accommodating heat pump;
Fig. 3 is the stereogram with the base unit of the air/air heat exchanger of one;
Fig. 4 is the base portion portion section of Fig. 3, and wherein, filter door is opened;
Fig. 5 a and Fig. 5 b are according to the outward appearance of the bottom part of the drying machine with air/air heat exchanger of Fig. 3, open at Fig. 5 a middle filtrator door, close at Fig. 5 b middle filtrator door;
Fig. 6 is the perspective, cut-away view of the heat pump drier base portion portion section of Fig. 3, wherein, shows process air draught and cooling-air air-flow;
Fig. 7 a is the cross section that has represented the base unit of Fig. 3 of the second embodiment, and wherein, air/air heat exchanger is in operating down and have compared with Fig. 6 the auxiliary condenser in additional downstream;
Fig. 7 b is the face upwarding stereogram of the base portion portion section of Fig. 7 a;
Fig. 8 is another stereogram corresponding with the stream operated of Fig. 7 a, but, there is reverse surrounding air air-flow;
Fig. 9 is the 3rd embodiment of another simplification of convection current-driving air/air heat exchanger;
Figure 10 a is the 4th embodiment of another simplification of air blast-driving air/air heat exchanger;
Figure 10 b is the 5th embodiment with another simplification of air blast-driving air/air heat exchanger of the condensate flusher that replaces the second lint filter;
Figure 11 is the stereogram of drying machine base portion, wherein, has removed front bottom panel and has shown the air/air heat exchanger according to the 6th embodiment with front-seat gas port;
Figure 12 is the partial section of Figure 11, and wherein, filter drawer is drawn out of;
Figure 13 is the partial section of the base unit with air/air heat exchanger of Figure 11, wherein shows process air draught and cooling-air air-flow;
Figure 14 is the partial section of the base unit with air/air heat exchanger of Figure 11;
Figure 15 is the sectional view of the base unit with air/air heat exchanger of the Figure 11 from drying machine front portion to rear side, wherein illustrates in greater detail process air draught and cooling-air air-flow;
Figure 16 be look from below according to the stereogram of the bottom portion section of the drying machine of the air/air heat exchanger having of the 7th embodiment and auxiliary condenser;
Figure 17 is the base portion section of the process that indicates air draught and the cooling-air air-flow of Figure 16;
Figure 18 is the stereogram of the parts for air/air heat exchanger and auxiliary condenser in the base portion section of drying machine of Figure 16;
Figure 19 is another sectional perspective sectional view of the layout of Figure 16, has wherein been shown in further detail process air draught and cooling-air air-flow;
Figure 20 is the stereogram partially opening with the siphonal inner side of condensate of bottom shell;
Figure 21 is the 8th embodiment of another simplification of passage shape air/air heat exchanger; And
Figure 22 is the top view that is arranged on the simplification layout of the air blast in filter door according to having of the 9th embodiment.
Fig. 1 has illustrated household electrical appliance 2 with schematic diagram, and wherein, these household electrical appliance 2 are heat pump cylindrical drier in this embodiment.Cylindrical drier comprises heat pump 4, and this heat pump 4 is included in the refrigerant loop of sealing using the following order of cold-producing medium stream B: as the first heat exchanger 10 of the evaporimeter for vaporized refrigerant and cooling procedure air; Compressor 14; As the second heat exchanger 12 of the condenser for cooling refrigeration agent and heating process air; And expansion gear 16, cold-producing medium is back to the first heat exchanger 10 from expansion gear 16.Heat pump forms refrigerant loop 6 together with being connected in series the refrigerant tubing of parts of heat pump 4, and cold-producing medium cycles through refrigerant loop 6 by compressor 14 as shown in by arrow B.If the cold-producing medium in heat pump operates under across critical or complete supercriticality, the first heat exchanger 10 and the second heat exchanger 12 can be respectively as gas heater and gas coolers.
Process air draught in household electrical appliance 2 is guided through the compartment 18 of household electrical appliance 2, that is, and for example, by the compartment 18 for receiving pending article, cylinder 18.Pending article are fabric, clothing 19, clothes, footwear etc.In embodiment herein, these article are preferably fabric, clothing or clothes.Process air draught is indicated by arrow A and is driven by process air-blaster 8 in Fig. 1.Process air duct 20 is at cylinder 18 outside guided procedure air draught A, and process air duct 20 comprises different portion's sections---comprise the portion's section that forms the cell channel 20a that is provided with the first heat exchanger 10 and the second heat exchanger 12.Leave the process Air Flow of the second heat exchanger 12 to being provided with in the rear passage 20b of process air-blaster 8.The air being transmitted by air blast 8 is upwards directed to the rear side of cylinder 18 in rising passway 20c.The air that leaves cylinder 18 by drum outlet (loading opening that this drum outlet is cylinder) by near in passage 20 or the first lint filter 22 of the drum outlet setting at passage 20 places filter.Then, Air Flow is by the second lint filter 24 arranging near the first heat exchanger 10.The first lint filter 22 and the second lint filter 24 are arranged in prepass 20d, and this prepass 20d forms after the front shroud that is arranged on drying machine 2 of passage 20 and in abutting connection with another section of the front shroud of drying machine 2.
Prepass 20d also holds air/air heat exchanger 26 and/or is partly formed by air/air heat exchanger 26.In following embodiment, the function of air/air heat exchanger 26 is also passed through Reference numeral 26a, 26b, and 26c, 26d or 60 represents.In the operating period of drying machine 2, air/air heat exchanger 26 will be passed to surrounding air from the heat of process air, and this surrounding air is below also referred to as being cooling-air.By heat is passed to cooling-air, during the stable state of the operation of heat pump 4, between the loop of process air loop and refrigerant loop 6, realize thermodynamical equilibrium.Therefore, consumed by compressor 14 and not by compressed refrigerant convert to work can electric energy---be the heat energy of compressor---in the closed-loop path of cold-producing medium and process air, be balance in the ideal situation.This means, under the stable state of heat pump 4, (wherein after the heating period, realized maximum or intimate maximum operating condition or efficiency), the heat of being stored in refrigerant loop 6 by compressor must be overheated to prevent via air/air heat exchanger 26 balances.
According to the present invention, by using individually or ad hoc air/air heat exchanger can remove unnecessary heat (not considering that nonideal heat loss picture is from the heat transmission of cylinder or in the heat radiation of cold-producing medium conducting parts) as the radiator of the heat for unnecessary.But, additionally, by (air blast) on one's own initiative or passively (convection current) provide to the cooling-air of compressor case and/or auxiliary condenser or gas cooler and can remove heat.
Walk heat and can be the air draught of active drive or passive matrix from the surface band of air/air heat exchanger 26 as the cooling-air air-flow C of surrounding air air-flow in the present embodiment.The in the situation that of passive matrix, use the cross-ventilation producing because of the heating of surrounding air.The in the situation that of active drive air draught, use the air blast 28 that air can be blown into air/air heat exchanger 26 or draw air from air/air heat exchanger 26.In embodiment below, Reference numeral 28a, 28b, 28c, 28d or 28e are also for transmitting the air blast of air draught C.Air draught C can be by ad hoc for cooling-air/air heat exchanger 26.For example, but air draught C also can provide the miscellaneous part with the downstream of chiller-heat pump system 4 or upstream (with respect to airflow direction), secondary unit 34 (seeing below) and/or compressor.Air draught with respect to secondary unit can forward or backward, that is, be drawn air draught or be blown into air draught to secondary unit from secondary unit.Preferably, once realizing or approach 28 runnings of stable state air blast.Preferably, during operation dry cycle, when just turning round continuously once realize or approach stable state air blast.Or, come discontinuously or operate air blast with the transfer rate changing according to cooling needs.
In embodiment below, alternatively, secondary unit 34 as additional condenser (or refrigerant circulation across the gas cooler in critical or complete supercritical operation situation) is arranged in refrigerant loop, as shown in the dotted arrow of the cold-producing medium stream by Fig. 1 and pipeline 6a and 6b.In embodiment below, secondary unit 34 also can have Reference numeral 34a or 34b.Beyond deacration/air heat exchanger 26, secondary unit 34 disperses heat around drying machine 2.In the order of the parts in refrigerant loop 6 embodiment in this article, can modify: secondary unit 34 is not placed between compressor 14 and the second heat exchanger 12 with respect to cold-producing medium stream, but (not shown) is placed between the second heat exchanger 12 and expansion gear 16.This remodeling is applicable to all embodiments herein.
In the time that heat pump 4 turns round under stable state (, normal mode after heating period, that is, at the normal mode after the temperature actuated heat pump 4 of low environment state), the first heat exchanger 10 is passed to cold-producing medium by heat from process air A.By process air is cooled to lower temperature,, collect herein in the first heat exchanger 10 places condensation from the moisture of process air, and the condensate of collecting is disposed to condensate collector 30.Then be passed to the second heat exchanger 12 of process air from refrigerator by heat wherein at the process air of cooling when the first heat exchanger and dehumidifying.Process air is drawn and is urged in cylinder 18 from interchanger 12 by air blast 8, at cylinder 18 internal procedure air heat clothings 19 and receive moisture from clothing 19.Process air leaves cylinder 18 and in prepass 20d, is led to air/air heat exchanger 26, in air/air heat exchanger 26, process air before arriving at the first heat exchanger 10 by pre-cooled.As in the first heat exchanger 10, in air/air heat exchanger 26 or the condensate at air/air heat exchanger 26 places form at air/air heat exchanger 26 places during pre-cooled.Condensate is collected and is directed to condensate collector 30 via condensate passage 32, and this condensate collector 30 is also collected in the condensate that the first heat exchanger 10 places form.Preferably, (referring to embodiment below) is disposed to condensate collector from the condensate of air/air heat exchanger 26 and/or is arranged on the first heat exchanger 10 places and the exhaust stack for the first heat exchanger 10.
The critical piece of heat pump 4 is arranged in the base portion portion section 5 or substrate of drying machine 2, the different embodiment of the critical piece of heat pump 4 shown in the drawings.
Fig. 2 shows the stereogram of the drying machine base portion portion section 5 of (in the cross section) partially opening and the drying machine with heat pump 42 of partly dismantling.Base portion portion section is held a part for heat pump and process air duct 20 in the bottom shell 40 of base frame that forms drying machine.On bottom shell 40, place over body case 41 (partly visible in Figure 12), wherein, a part for two housings 40,41 forms cell channel 20a, and the first heat exchanger 10 and the second heat exchanger 12 in cell channel 20a (forming the battery of heat pump) are besieged.Rear passage 20b and air blast 8 are also surrounded by bottom shell 40 and top shell 41.For the motor 9 of blower 8 and cylinder 18 be also positioned at over body case 42 belows and be positioned in this embodiment air blast 8 and compressor 14 between.Figure 2 illustrates for cooling compressor 14 and carry out the air blast 28 ' of balance heat in a conventional manner.But, in embodiment below, the balance of heat is carried out via air/air heat exchanger 26 and the use of compressor air blast 28 ' is optional or completely unwanted, or air blast 28 ' is arranged to extraly cooling-air C is blown into air/air heat exchanger 26 (contrast Figure 21).
Fig. 3 shows the stereogram of the base portion portion section 5 of drying machine in the first embodiment, and wherein, the critical piece of heat pump 4 and the air/air heat exchanger of one are arranged in base portion portion section 5.The control module that is used for the operation of controlling heat pump and drying machine (not shown) is arranged on the top portion section of drying machine, is also provided with control panel and display for user's input in this top portion section.Show in some embodiments the part of cylinder 18 but not shown its swivel bearing part and for carry out the belt of drum driven via motor 9.As mentioned above, compared with the air blast shown in Fig. 2, compressor cooling air blower 28 ' can provide or omit or be arranged on another position.The parts (and below institute's drawings attached in) in Fig. 3 of explanation of more than seeing figures.1.and.2 provide identical Reference numeral, and this is because these parts have identical function and/or layout in refrigerant loop 6 and process air loop.
In the first embodiment shown in Fig. 3 to Fig. 6 (and the second embodiment) in Fig. 7 a to Fig. 8, air/air heat exchanger 26a (having the function of the interchanger 26 in Fig. 1) is arranged on the inner side place of path or filter chassis door 42.Filter door 42 is pivotally supported in bottom shell 40 places via hinge 44 and closes down in off position the open front in the bottom portion section of prepass 20d.Open front provides the path that leads to the removable filter drawer 36 that supports the second lint filter 24.Sealing between the edge of the opening in prepass 20d and door 42 provides (Fig. 4) by seal frame 48.The bottom portion section of seal frame 48 is (relatively Figure 14) in abutting connection with the top portion section of bottom shell 40 and framework 48 in abutting connection with over body case 41.Air/air heat exchanger 26a is mainly formed by corrugated metallic plate, and this corrugated metallic plate seals supporting door 42 in the following manner: cooling-air can be passed in the slit-shaped openings 46 of the front portion towards drying machine 2 in a side (in the time that door 42 is closed) and cooling-air can be through the opening at the bottom place of the air duct being formed by the portion's section that extends inwardly to prepass 20d of interchanger metallic plate.That is to say, between interchanger metallic plate and door, be provided with the sealing cooling air channels fully separating with process air draught A.The bottom opening of metallic plate extension is corresponding with the opening in bottom shell 40, and this opening can flow at the bottom shell of downside 40 and between the cooling air channels between interchanger metallic plate and door 42 inner sides cooling-air.
Interchanger metallic plate can be in cooling breach inner side and/or outside have as serpentine, flexuose corrugated shape or there is any other shape of the surf zone/base regions ratio that provides high.Base regions is the region of seeing from front side while closing when door 42, and serpentine or refer in a zigzag the cross section that level is dissectd in the time that 42 close.In the Fig. 4 partly opening at filter door 42, can see best this serpentine shape.
Fig. 5 a has described the bottom portion section of the drying machine 2 under assembled state and the filter 42 of opening.The sidepiece of drying machine by form drying machine casing a part cover lid, wherein, show side direction cover or side cover 54, front shroud 52 and the base portion panel 50 at bottom place.In the time that filter door 42 is closed, slit opening 46 is directly connected the path of cool air in air/air heat exchanger 26a with surrounding air.Fig. 5 b show that filter door 42 closes the corresponding outward appearance of bottom portion section of bake drying machine 2.
Fig. 6 be filter door 42 close the sectional view of base portion portion section 5 of Fig. 3.In sectional view, indicated the flow path of process air draught A and cooling-air air-flow C by arrow.Process air draught A in prepass 20d out and towards filter 24 and air/air heat exchanger 26a deflects down from drawing plane at section place of top portion.The first lint filter 22 is arranged on and loads door opening framework place and be positioned at more right side place with respect to loading door.In the time that process air passes the first filter 22 in passage 20d, first process air deflects to the left bottom side (, filter compartment) in the portion's section that is provided with the second filter 24 and air/air heat exchanger 26a of passage 20d with left downward direction.In the continuity of passage 20d, process air also deflects to horizontal direction for making air water level land through heat exchanger 10.In the time that process air draught A passes air/air heat exchanger 26a and the second filter 24, process air draught A is through the first heat exchanger 10 and the second heat exchanger 12.Therefore, total deflection of prepass 20d is downwards out to horizontal direction and enter in cell channel 20a from cylinder 18 and the first filter 22.
Fig. 6 has also described for the cooling-air air-flow of the first embodiment of drying machine 2 or path C.Air blast 28a is tangential air blast, and draw surrounding air from the bottom below of bottom shell 40, and the slit shape door opening 46 between the U-shaped recess of the corrugated metallic plate of air/air heat exchanger 26a, surrounding air being left towards cooling-air is upwards directed to the front side of drying machine.In air/air heat exchanger 26a of the first embodiment (and following second embodiment), corrugated metallic plate be the section 20d of prepass portion outer wall a part and be the separates walls between process air duct 20 and flow of cooling air path C simultaneously.Even if corrugated board (preferably metallic plate) has the recess that reciprocally extends to other passages, process air duct 20 and the cooling air channels 20 around cooling-air path C do not seal other passages separately yet.
In the embodiment shown in Fig. 6, cooling-air air-flow and process air draught antiparallel substantially.In substituting configuration, flow direction can oppositely make along the corrugated metallic plate cooling-air air-flow of interchanger 26a and process air draught (comparison diagram 7a) parallel to each other.In another configuration, not from rear side (as shown in Figure 6) or arrive rear side at the air intake at bottom side place or outlet (according to flow direction), but arrive or from the front side of drying machine.
Fig. 7 a shows the partial section of the drying machine 2 in the second embodiment.The second embodiment is based on the first embodiment, and the difference having is that deacration/air heat exchanger 26a also provides auxiliary condenser 34a.About cold-producing medium stream, auxiliary condenser 34a is incorporated in the refrigerant loop 6 as mentioned in the content of Fig. 1 above.In this combination, therefore realize the pre-cooled of air/air heat exchanger 26a by heat exchanger 10 upstreams and removed unnecessary heat from cold-producing medium.Auxiliary condenser 34a is mechanically arranged in the corresponding recess of outside of bottom shell 40 at its bottom side place.Process air draught A is the process air draught A as in the embodiment of Fig. 3 to Fig. 6 before.
Further according to Fig. 7 a, can see cooling-air air-flow C by slit opening 46 enter air/air heat exchanger 26a, flow cross the outer surface of interchanger metallic plate, through the bottom opening in interchanger metallic plate and bottom shell 40, through air blast 28a, this air blast 28a is expelled to air-flow in secondary unit 34a and by secondary unit 34a, and is expelled to the outside at the drying machine body of drying machine bottom from secondary unit 34a.Air blast 28a has the function of the air blast 28 in Fig. 1 or Fig. 6, and cooling secondary unit 34a (this secondary unit 34a has the function of the secondary unit 34 in Fig. 1) additionally.Air blast 28a is tangential air blast, and it is drawn cooling-air and discharged cooling-air by secondary unit 34a by air/air heat exchanger 26a.In embodiment, air-flow direction can be reverse as shown in Figure 6, that is, air blast can be drawn cooling-air and be discharged cooling-air by air/air heat exchanger 26a by secondary unit 34a.
Fig. 7 b provides the face upwarding stereogram of the base portion portion section 5 of Fig. 7 a, wherein, can see the layout that comprises air/air heat exchanger 26a, air blast 28a and secondary unit 34a.A kind of layout of compactness is provided, the modification to existing laundry facilities require low and realized efficiently, solution cheaply.The condensate forming at air/air heat exchanger 26a place is discharged to condensate passage and the sump that provides for the first heat exchanger 10 and condensate is directed to condensate collector 30 (also contrasting Figure 20) from sump.
Fig. 8 shows the remodeling of the drying machine 2 of the second embodiment shown in Fig. 7 a and Fig. 7 b, and wherein, compared with Fig. 7 a, the direction of the cooling-air air-flow C by air/air heat exchanger 26a, air blast 28a and auxiliary condenser 34a is reverse.
Fig. 9 shows the 3rd embodiment in the simplification of the drying machine base portion portion section 5 at air/air heat exchanger place.Herein, completely smooth thermal conductive metal plate 60 uses as air/air heat exchanger.But, also can substitute with the corrugated metallic plate as in the first embodiment.Process air draught A by metallic plate 60 from top or the top of lateral tilt be guided towards the first heat exchanger 10 by the second lint filter 24.In this embodiment, cooling-air air-flow C drive by convection current and by the bottom opening 46a in bottom shell 40 enter, through the inner side of antetheca of filter drawer 36 and the outer surface of metallic plate 60 and leave by slit opening 46.Herein, outer antetheca forms the filter door 42 forming with drawer, and in the time pulling at handle 37 places filter door 42 and drawer 36 can together with extract out.Be formed on condensate on the inner surface of metallic plate 60 is led to the first heat exchanger 10 condensate sump 31 via the exhaust stack 62 being formed by metallic plate 60, this condensate is discharged to condensate collector 30 from condensate sump 31.Therefore, exhaust stack 62 is used as condensate passage 32 as shown in Figure 1.Do not need in this case other air blast for air/air heat exchanger.
In the 4th embodiment shown in Figure 10 a, air blast 28b is used for driving cooling-air A to cross air/air heat exchanger, and this air/air heat exchanger is as formed by metallic plate 60 in the 3rd embodiment of Fig. 9.Air blast is supported in the structure of bottom shell 40.The second lint filter 24 flatly arranges and prevents that fine hair is collected in air/air heat exchanger in drawer 36.By being removed and user can remove fine hair from filter and air/air heat exchanger in position easily from prepass 20d (filter compartment) at handle 37 places pull-outs drawer 36, the second lint filters 24.Moreover drawer front wall forms filter door 42.Provide multiple openings 46 for drawing cooling-air, the bottom opening place of cooling-air in bottom shell 40 discharged by air blast 28b.At the front side place of drying machine 2, cooling air intake is set and there is following advantage: flow resistance dust lower and that collect at cooling air intake or opening part can more easily be removed by user often.In this specific embodiment, dust can remove together with cleaning and filtering 24.But as one remodeling, flow of cooling air direction can oppositely make to be drawn and discharged by opening 46 (by gravity convection auxiliary) from the normally colder air of bottom.
Similar at the 4th embodiment shown in the 5th embodiment shown in Figure 10 b and Figure 10 a, and with shown in element and function thereof relatively with reference to the 5th embodiment.Difference is, has omitted the second lint filter 24 and has only used the first lint filter 22 at the outlet side place of cylinder 18.The fine hair of fleeing from or accidentally get around the first lint filter 22 from the first lint filter 22 is deposited on the inwall of metallic plate 60 of air/air heat exchanger and the entering on region of the first heat exchanger 10.Due to because process air A is at the pre-cooled condensate producing at metallic plate 60 places, strengthen the deposition of fine hair at air/air heat exchanger place.Time the spraying 104 that the fine hair of air/air heat exchanger and the first heat exchanger 10 places depositions sprays by the spray nozzle from being arranged on sprayer unit 100 of being everlasting wash away.As shown, a spray nozzle points to metallic plate 60 (, the heat transfer surface of air/air heat exchanger) and a spray nozzle sensing interchanger 10.But, for each interchanger, can use the extremely two or more spray nozzles of single-nozzle for spraying.Liquid spraying is preferably the condensate being previously collected in condensate collector 30, and draws to sprayer unit 100 from condensate collector 30 or middle condensate tank by pump 102.Alternatively, replace pump 102, valve is open for and rinses and provide condensate from the condensate tank of the upper area that is arranged on drying machine 2.
As shown, no longer need filter drawer 36 but be provided with to keep in repair drawer 106, can be removed the maintenance channel for leading to the first heat exchanger 10 and/or channel part section 20d by such maintenance drawer 106.When maintenance drawer 106 is while taking out by pull handle 37, air/air heat exchanger 60 is drawn out of and at exterior clean fine hair, fine hair or other deposits can take out from the front side of interchanger 10 simultaneously from prepass 20d.In the alternative arrangements of the 5th embodiment, do not provide maintenance channel and metallic plate 60 to be mounted to regularly prepass 20d so that part one or non-removable of channel outer wall to be provided.
Figure 11 shows the stereogram that has the side cover 54 of installation and front shroud 52 and removed simultaneously the drying machine base portion portion section 5 of front bottom panel (in Fig. 5 a 50).Figure 11 to Figure 14 relates in the forward part passage 20d of process air duct 20 is integrated with the 6th embodiment of air/air heat exchanger 26b---particularly in the compartment of lint filter portion section or prepass 20d---.The filter door 42 of closing in Figure 11 has been hidden air/air heat exchanger 26b shown in Figure 12, and in Figure 12, filter drawer 36 is extracted out from its prepass compartment.Cooling-air is inhaled into from the front side, bottom of drying machine 2 via the radial blower 28c at the left front waist section place that is arranged on bottom shell 40.Air blast 28c is blown into cooling-air by the pipeline that runs through prepass 20d and stop in blower export 66, and this pipeline is simultaneously for the entrance 68 of air/air heat exchanger 26b provides flange.Cooling-air flatly passes interchanger 26b and deflects down in the end of interchanger, and wherein cooling-air leaves at heat exchanger outlet 70 places.In the time that drawer 36 and interchanger 26b insert in prepass 20d (Figure 14), outlet 70 is positioned to mate with the discharge exit passageway 72 of flange is provided to exchanger outlet 70.
As shown in Figure 12, air/air heat exchanger 26b is incorporated in drawer 36, in the time that filter door 42a opens, and can be by using the filter compartment of handle depression 37 from passage 20d to insert and extract out this drawer 36.Compared with the first embodiment in Fig. 3, because cooling-air passes in and out interchanger 26b through interface opening 68/70, therefore filter door 42a does not have slit opening 46.Lint filter 24 is depicted as the front portion that is positioned at the first heat exchanger 10, but, in routine operation, for keeping the framework card of the second lint filter 24 to be assigned to the inner frame of drawer 36, make it to be inserted and remove together with drawer 36 by user.
Figure 13 and Figure 14 illustrate the base portion portion section 5 with air/air heat exchanger 26b of Figure 11 with partial cross section.Cooling-air air-flow C enters and leaves at the front panel place of drying machine, corresponding opening is wherein set in front bottom panel (not shown) can make cooling-air enter in the opening of air blast 28c.As the sectional view by interchanger 26b (Figure 13) or partial cross section figure (Figure 14) can see, horizontal or vertical flank or fin 76 extend to increase along airflow direction the available heat exchange surface contacting with cooling-air in the inside of interchanger 26b.
As being shown in further detail in Figure 15, process air draught A shunts in prepass 20d, and it is fully flowed around outer wall, and this outer wall forms the cooling air channels through air/air heat exchanger 26b of the inside of prepass 20d.Compared with the first embodiment to the six embodiments, the portion's section contacting with process air A or the interface surface of heat exchanger 26b are not the outer walls of prepass 20d, but the inwall of prepass 20d.In this way, the outer surface region of carrying out heat exchange that contacts with process air A of heat exchanger 26b is maximized.In illustrated embodiment, because the process air of process had high temperature before entering the first heat exchanger 10, therefore the outer surface of interchanger 26b is flat substantially.In addition,, by substantially level and smooth outer surface, reduced fine hair and caught and make user remove fine hair simplification.In the embodiment of interchanger 26b, flank or other surperficial extending elements can be set to increase the surface for carrying out heat exchange with process air.Process air draught and cooling-air air-flow as shown in Figure 17, and have following difference: in the 6th embodiment, cooling-air is expelled to outside and front portion (C Figure 11) of drying machine from exhaust passage 72.
Figure 16 and 17 has represented to have integrated the 7th embodiment of air/air heat exchanger, and wherein, air/air heat exchanger 26b is identical with the layout in the embodiment of Figure 11 to Figure 15 with the layout of air blast 28b.Difference is, the cooling-air that leaves interchanger 26b is led in secondary unit 34b from interchanger 26b by transmission channels 74.The layout of secondary unit 34b is identical with layout and the function of the described secondary unit 34a of embodiment in conjunction with Fig. 7 a to Fig. 8 with function, and it is carried out to reference.Transmission channels 74 is the interface that heat exchanger outlet 70 is provided as passage 72.
When Figure 16 shows the bottom portion section of drying machine that air/air heat exchanger 26b of looking from below extracts out together with drawer 36 and the stereogram of the position of auxiliary condenser 34b, Figure 17 is the side cross-sectional view that indicates the bottom of this embodiment of process air draught A and cooling-air air-flow C.In embodiment as shown in Figure 7 a, first lint filter 22 of process air A in the prepass 20d tilting above side direction out enters in the following portion section of filter compartment: in this section, process air A above air/air heat exchanger by and flatly and backward deflection by the second lint filter 24 and the first heat exchanger 10.Cooling-air air-flow C be passed in flank (this interchanger looks like grid (grid) in the cross section of crossing airflow direction) in the inner side of interchanger, flatly enter air/air heat exchanger 26b (from drawing plane below vertically) and exchanger outlet end, deflect down and enter transmission channels 74, air-flow is directed to secondary unit 34b by this transmission channels 74, and cooling-air air-flow C is discharged to the space of drying machine body below from secondary unit 34b.
Figure 18 shows outward appearance and the route in the cooling air channels path of the 7th embodiment.Figure 19 provides by cooling air channels path and has reached the cross section of transmission channels and particularly by having the axial cross section of air/air heat exchanger 26b of fin 76 as above described in conjunction with Figure 13.
As in above embodiment, cooling-air airflow direction can be reverse, make cooling-air in the 7th embodiment enter and leave at air blast place at secondary unit 34b place, and in the 6th embodiment, cooling-air enters exhaust passage 72 (then exhaust passage 72 is access road) and leaves at air blast 28c place.In reverse air-flow, air blast 28c is axial or tangential air blast or radial blower, and wherein, the suction openings of air blast is connected to air/air heat exchanger 26b
Figure 20 shows the stereogram partially opening of the inner side of applicable bottom shell 40 in embodiment described herein.This figure has described the view of the inner side of the left side outer wall of bottom shell 40.In bracket 10 and 20 represents to be positioned at the first heat exchanger 10 between the distance piece of vertical flank and inner side place setting and the position of the second heat exchanger 20.The inner side of bottom shell sidewall forms a part of cell channel 20a.A part of passage 20b and show a part of prepass 20d in left side after right side shows.This part of prepass 20d form filter compartment for receiving the part of filter drawer 36 and the second lint filter 24.In the time being inserted into, the second lint filter 24 abuts against the filter stop part 80 being arranged between the first heat exchanger 10 and filter and seals to prevent that for lint filter rear side provides air draught process air and fine hair from getting around filter.The condensed water (being applicable to all embodiments) forming at secondary unit place in dry run is temporarily collected in filter siphon pipe 82.Siphon pipe 82 is filled (at least during drying process) and is prevented process air and fine hair gets around along condensate drain path by condensate.
Air/air heat exchanger condensed water is led to battery siphon pipe 84 together with the condensate forming at the first heat exchanger 10 places.Battery siphon pipe prevents that process air from fleeing to process air loop (from passage 20).Condensate is disposed to condensate collector 30 from battery siphon pipe.The bottom of bottom shell 40 from the lower wall of prepass 20d (filter compartment) along cell channel 20a to the region medium dip of lower wall of passage 20b, to be effectively emitted on towards condensate collector 30 in the interface between channel part section 20d/20a and channel part section 20a/20b by the condensate of siphon pipe 82,84 obstructions.
Figure 21 shows the 8th embodiment of another simplification of air/air heat exchanger 26c of passage shape, air/air heat exchanger 26c of this passage shape is set to independent cooling air channels, and this independent cooling air channels crosses or be passed in process air duct in portion's section of prepass 20d particularly through its filter compartment.In the embodiment of Figure 12 and Figure 16, air/air heat exchanger 26c is arranged in the filter drawer 36 that can extract out and has entrance and exit interface 90,92 or flange.In the time that drawer fully inserts in its compartment, provide the cooling-air air-flow through the sealing of air/air heat exchanger by flange, make not exist and flee from thing or mixture between process air and cooling-air (the identical interface function providing for the embodiment of Figure 12 and Figure 16).Cooling-air is discharged by side outlet 94 at the side place of drying machine.Replace side outlet 94, cooling-air also can be in the bottom of drying machine or anterior place discharge.Replace independent air blast 28c, the air blast 28d providing for cooling compressor 14 (also contrasting the air blast 28 ' in Fig. 2) is also provided.The air of being drawn by air blast 28d is led in compressor cooling duct 96 and at least in part and discharges towards air/air heat exchanger 26c.Air blast and/or cooling air intake can be arranged on drying machine antetheca place but not shown in side-walls.In embodiment, air draught can be reverse.
Figure 22 shows the top view of base portion portion section 5, is wherein arranged in filter drawer 36 according to air/air heat exchanger 26d of the 9th embodiment.In this embodiment, cooling-air blower 28e is arranged in the pivotable filter door of side direction 42b.Filter door 42b has vent openings 46b in front side and rear side, and blows cooling-air C towards the outer surface of air/air heat exchanger 26b in the closed position of door.The rectangle of dotted line shows the open position of a 42b.Interchanger 26d is by forming as the corrugated sheet metal that can see from the cross section horizontal plane, and this ripple is similar with the ripple that the embodiment in conjunction with Fig. 4 is described.Additionally, similar with the inclination of the metallic plate 60 in Figure 17, sheet metal from top to bottom towards the first heat exchanger 10 bendings.This inclination from top to bottom provides towards the condensate drain road of the condensate sump of interchanger 10 (contrast Figure 20), increased heat exchange area and has improved process air draught A and the flow behavior of cooling-air air-flow C.Air draught C crosses air/air heat exchanger 26d from the front portion of opening 46b and is booted down to the bottom of bottom shell 40, discharges (comparative example is as the 46a in Fig. 9) at the air draught C of the bottom place of bottom shell 40 by the opening in bottom shell 40.
For shown in above embodiment and described single parts or the combination of parts can combine each other in any mode easily.
Reference numeral
Passage after 2 roller drier 20b
4 heat pump 20c rising passwaies
The 5 section 20d of base portion portion prepass
6,6a, 6b refrigerant loop 22 first lint filters
8 air blast 24 second lint filters
9 motors 26,26a, 26b, 26c, 26d
10 first heat exchanger (evaporimeter) air/air heat exchangers
12 second heat exchangers (condenser) 28,28a, 28b, 28c, 28d, 28e
14 compressor air blasts
16 expansion gear 28 ' compressor air blasts
18 cylinders (clothing compartment), 30 condensate collector
19 clothing 31 condensate sumps
20 process air duct 32 condensate passages
36 filter drawer 74 transmission channels
37 handle 76 fin
38 blower casing 80 filter stop parts
40 bottom shell 82 filter siphon pipes
41 over body case 84 battery siphon pipes
42,42a, 42b filter door 90 Entry Interfaces
44 hinges 92 export interface
46,46b door opening, 94 side outlets
46a bottom opening 96 compressor cooling ducts
48 seal frame 100 spray nozzles
50 base portion panel 102 pumps/valves
52 front shrouds 104 rinse spraying
54 side covers 106 keep in repair drawer
60 metallic plate 108 maintenance covers
62 exhaust stack A process air draughts
66 blower export B cold-producing medium streams
68 heat exchanger entrance C cooling-air air-flows
70 heat exchanger outlets
72 passing aways
Claims (20)
1. clothes treatment device, particularly has drying machine (2) or the washing machine of functions/drying, comprising:
Clothing apotheca (18), described clothing apotheca (18) is for use procedure air (A) process clothes (19),
Process air loop (18,20), described process air loop (18,20) is for making described process air circulation by described clothing apotheca (18), and
Heat pump (4), described heat pump (4) is for dehumidifying and heat described process air, and described heat pump has refrigerant loop (6), and described refrigerant loop (6) comprising:
The first heat exchanger (10), described the first heat exchanger (10) is for heating and cooling agent and cooling described process air (A),
The second heat exchanger (12), described the second heat exchanger (12) is for cooling described cold-producing medium and heat described process air,
Refrigerant expansion device (16), described refrigerant expansion device (16) is arranged between described the second heat exchanger (12) and described the first heat exchanger (10) in described refrigerant loop,
Compressor (14), described compressor (14) is arranged between described the first heat exchanger (10) and described the second heat exchanger (12) in described refrigerant loop (6), and
Process air heat exchanger (26,26a-26c, 60), described process air heat exchanger (26,26a-26c, 60) be arranged in described process air loop place or described process air loop in the upstream of described the first heat exchanger (10), for the heat exchange between described process air (A) and cooling-air (C) is provided
Wherein, described process air loop (18,20) comprise process air duct (20), described process air duct comprises channel part segment unit (20d), described channel part segment unit (20d) deflects to horizontal direction towards described the first heat exchanger (10) from vertical downward direction or vertical downward-sloping direction from the described process air (A) of described clothing apotheca (18) for making
It is characterized in that,
Described process air heat exchanger (26,26a-26c, 60) be incorporated at least in part in the part that makes described process air (A) deflection of described channel part segment unit (20d), or the part that makes described process air (A) deflection of described channel part segment unit (20d), and/or
At least a portion on the heat exchange interface surface of described process air heat exchanger (26,26a-26c, 60) or most of wall portion (60) that forms the outside wall portions section that limits described process air duct (20).
2. equipment according to claim 1, wherein, described process air heat exchanger (26b-26c) comprises at least one cooling air channels (26b), described at least one cooling air channels (26b) is arranged in described channel part segment unit (20d) and described channel part segment unit (20d) is passed through in guiding, wherein, described at least one cooling air channels and described process air (A) thermo-contact that flows through described channel part segment unit.
3. equipment according to claim 2, wherein, the inner side of described cooling air channels (26b) contacts with described cooling-air (C) and the outside of described cooling air channels (26b) contacts with described process air (A).
4. according to the equipment described in claim 1,2 or 3, wherein, the described wall portion that limits the described outside wall portions section of described process air duct (20) has the process air duct inner side being designed at process air draught (A) described in the external guidance of described flow of cooling air path (C), and there is the outside being designed at cooling-air (C) described in described process air loop (18,20) external guidance.
5. according to the equipment described in any one in aforementioned claim, comprise base portion portion section (5,40), described base portion portion section (5,40) be configured to limit described channel part segment unit (20d) and form described process air loop (18,20) at least a portion of cell channel (20a), in order to hold described the first heat exchanger (10) and described the second heat exchanger (12).
6. equipment according to claim 5, wherein, described base portion portion's section (5,40) comprises the bottom shell (40) and the over body case (41) that form described cell channel (20a) and described channel part segment unit (20d).
7. according to the equipment described in any one in aforementioned claim, wherein, described channel part segment unit (20d) comprises condensate collector element (62,82), described condensate collector element (62,82) being suitable for being collected in described process air heat exchanger (26,26a-26c, 60) locates the condensed water of condensation and is suitable for guiding described condensate towards condensate accumulator tank (30).
8. equipment according to claim 7, wherein, described condensate collector element (62,82) and the base portion portion section (5) of described equipment or the bottom shell (40) of described base portion portion's section (5) or described bottom shell (40) arrange integratedly.
9. according to the equipment described in any one in aforementioned claim, wherein, described process air heat exchanger is incorporated at least a portion of described channel part segment unit (20d), or the integrally formed element of at least a portion of described channel part segment unit (20d).
10. according to the equipment described in any one in aforementioned claim, wherein, at described process air heat exchanger (26, 26a-26c, 60) locate or at described process air heat exchanger (26, 26a-26c, 60) near, be provided with liquid wash device, described liquid wash device is suitable at described process air heat exchanger (26, 26a-26c, 60) the side place contacting with described process air (A) is from described process air heat exchanger (26, 26a-26c, 60) heat exchange interface surface or described process air heat exchanger (26, 26a-26c, 60) fine hair or deposit are walked in described heat exchange interface surface washing.
11. according to the equipment described in any one in aforementioned claim, wherein, described channel part segment unit (20d) comprises maintenance channel opening, or maintenance channel opening is configured to described channel part segment unit (20d), wherein, described maintenance channel opening provides and arrives the maintenance channel of described process air duct inside and covered by removable lid or door (42,42a, 42b).
12. according to the equipment described in any one in aforementioned claim, wherein, and the lint filter unit that described channel part segment unit (20d) is described equipment or filter compartment.
13. according to the equipment described in any one in aforementioned claim, comprise air blast (28,28a-28d), described air blast (28,28a-28d) is for blowing described cooling-air (C) to described process air heat exchanger (26,26a-26c, 60).
14. equipment according to claim 11, wherein, described air blast is arranged on the cover of described equipment or filter door (42,42a) or skin plate (50) and locates, or is arranged in the cover or filter door (42,42a) or skin plate (50) of described equipment.
15. according to the equipment described in any one in aforementioned claim, wherein, described channel part segment unit (20d) comprises door (42), compartment cover or drawer (36), and wherein, described process air heat exchanger (26a, 60) be incorporated in described door (42), described compartment cover or drawer (26), or described process air heat exchanger (26a, 60) is a part for described door (42), described compartment cover or drawer (26).
16. according to the equipment described in any one in aforementioned claim, and wherein, described process air heat exchanger (26a-26c, 60) has metallic plate, corrugated metallic plate, radiator, heat exchanger breach or heat exchanger fin.
17. according to the equipment described in any one in aforementioned claim, wherein, at least a portion of described process air heat exchanger (26a) arranges in removable or removable mode, or wherein, at least a portion of described process air heat exchanger (26b-26c, 60) is arranged in the removable portion (36) of described channel part segment unit (20d) or the removable portion (36) that is arranged on described channel part segment unit (20d) is located.
18. equipment according to claim 17, wherein, the described removable portion (36) of described channel part segment unit is drawer, lint filter drawer or air guide element.
19. according to the equipment described in any one in aforementioned claim, comprises secondary unit (34,34a-34b), and described secondary unit (34,34a-34b) is connected to described refrigerant loop (6) for cooling described cold-producing medium at least temporarily.
20. according to the equipment described in any one in aforementioned claim, comprise for cooling-air (C) is blown into described process air heat exchanger (26, 26a-26c, 60) air blast (28, 28a-28d) or for cooling-air (C) is blown into described process air heat exchanger (26, 26a-26c, 60) described air blast (28, 28a-28d), wherein, described air blast is also suitable at least a portion of described cooling-air or described cooling-air to blow to secondary unit (34, 34a-34b) or described secondary unit (34, 34a-34b), or blow to described compressor (14), in order to from described secondary unit (34, 34a-34b) or described compressor (14) remove heat.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP11182780.4 | 2011-09-26 | ||
| EP11182780.4A EP2573253B1 (en) | 2011-09-26 | 2011-09-26 | Heat pump dryer |
| PCT/EP2012/068352 WO2013045316A1 (en) | 2011-09-26 | 2012-09-18 | Heat pump dryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103827385A true CN103827385A (en) | 2014-05-28 |
| CN103827385B CN103827385B (en) | 2017-09-05 |
Family
ID=46852020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280046724.9A Active CN103827385B (en) | 2011-09-26 | 2012-09-18 | Heat pump drier |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2573253B1 (en) |
| CN (1) | CN103827385B (en) |
| WO (1) | WO2013045316A1 (en) |
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|---|---|---|---|---|
| CN105544144A (en) * | 2014-10-28 | 2016-05-04 | Lg电子株式会社 | Clothes treating apparatus and control method thereof |
| CN106521908A (en) * | 2015-09-09 | 2017-03-22 | 无锡小天鹅股份有限公司 | A clothes dryer |
| CN107923116A (en) * | 2015-08-27 | 2018-04-17 | Bsh家用电器有限公司 | Household appliance with the cleaning device for heat exchanger |
| CN109312527A (en) * | 2016-06-09 | 2019-02-05 | Bsh家用电器有限公司 | The base assemblies of utensil for dry washing material and the utensil of dry washing material |
| WO2021213555A1 (en) * | 2020-07-14 | 2021-10-28 | 重庆海尔滚筒洗衣机有限公司 | Clothes washing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102013104680A1 (en) * | 2013-05-07 | 2014-11-13 | Miele & Cie. Kg | Clothes dryer with a rotatably mounted in a housing drum |
| EP2843112B1 (en) * | 2013-08-30 | 2017-10-11 | Electrolux Appliances Aktiebolag | Rotary-drum laundry dryer |
| DE102017123318A1 (en) | 2017-10-09 | 2019-04-11 | Miele & Cie. Kg | Heat pump unit, preferably heat pump laundry dryer or heat pump washer dryer |
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| WO2021213555A1 (en) * | 2020-07-14 | 2021-10-28 | 重庆海尔滚筒洗衣机有限公司 | Clothes washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2573253A1 (en) | 2013-03-27 |
| WO2013045316A1 (en) | 2013-04-04 |
| EP2573253B1 (en) | 2016-09-07 |
| CN103827385B (en) | 2017-09-05 |
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