CN103827385B - Heat pump drier - Google Patents

Abstract

The present invention relates to a kind of clothes treatment device, drying machine or washing machine particularly with functions/drying, including：For using process air（A）Handle the clothing storage room of clothing；For making process air cycle through the process air loop of clothing storage room；It is arranged on the process air heat exchanger at process air loop or in process air loop（26a）；And the heat pump for being dehumidified and being heated to process air, the heat pump has refrigerant loop, and the refrigerant loop includes：For heating refrigerant and cooling procedure air（A）First heat exchanger（10）；Second heat exchanger for cooling down refrigerant and heating process air（12）；Second heat exchanger is arranged in refrigerant loop（12）With first heat exchanger（10）Between refrigerant expansion device；And first heat exchanger is arranged in refrigerant loop（10）With second heat exchanger（12）Between compressor, wherein, process air loop include process air passage, the process air passage include be used for make the process air from clothing storage room（A）Towards first heat exchanger（10）Inclined direction deflects to the channel part segment unit of horizontal direction from vertically downward direction or straight down（20d）.According to the present invention, process air heat exchanger（26a）The channel part unit is incorporated at least in part（20d）Make process air（A）Make process air in the part of deflection or for the channel part unit（A）The part of deflection, and/or process air heat exchanger（26a）Heat exchange interface surface at least a portion or most of wall portion for forming the outer wall section for limiting process air passage.

Description

Heat pump drier

The present invention relates to a kind of clothes treatment device with heat pump, to being handled for clothing in the heat pump Process air dehumidified and heated.

In the drying machine that process air is dehumidified and heated in closed process air loop using heat pump, When system once reach steady state operation must from heat pump remove excess energy.So-called stable state is optimal behaviour Make state, in this operating condition, it is contemplated that dry the energy expenditure of clothing and heat pump, the dehumidifying effect of evaporator and cold The heating efficiency of condenser is optimized.At steady state, excess energy is the heat energy that system is introduced to by compressor, and such as Really these excess energies are not balanced, then drive system is entered overtemperature and not good operation by it.According to prior art, it is known that Different methods when reaching stable state balances excess energy

For example, there is known a kind of heat for having and being used for being dehumidified and heated to process air according to the 132B1 of EP 0 197 The drying machine of pumping system.In one embodiment, process air is recycled to from laundry drum in process air loop and is used for The evaporator for being cooled down and being dehumidified to process air and condenser and return roller for heating process air.In process Air-air heat exchanger is provided with air loop between roller and evaporator, the air-air heat exchanger is from process Air removes heat so as to which in addition to the condensation in evaporator, the portion of water in process air is handed in air-air heat It is condensed in parallel operation.It is corresponding with the energy that heat pump is dissipated to by compressor that heat removes ability.Air-air heat Exchanger can have the corrugated metal sheet set at the back side for drying casing.

Identical invention in JP 2007-82586A, clothesdrier has to be carried by single heat exchanger roller The air-air heat exchanger of confession, the single heat exchanger roller extends from the back side of laundry drum.

In addition to air-air heat exchanger, WO 2008/086933A propose a kind of with cold by surrounding air But the drying machine of auxiliary condenser is for from the refrigerant loop removal heat in heat pump.

It is an object of the present invention to provide a kind of clothes treatment device with heat pump, wherein, process air heat exchange Device is integrated in compact and/or cost-effective mode.

The embodiment of the present invention is set forth below.

A kind of clothes treatment device is provided according to an aspect of the present invention, and the clothes treatment device, which has, to be used to handle The clothing storage room of clothing and the heat pump for the process air discharged by clothing storage room to be dehumidified and heated. In order to balance at least a portion thermal energy (that is, heat energy or hot temperature) from heat pump, there is provided process air heat exchange Device, the process air heat exchanger removes a part of heat of the process air circulated in process air loop.Preferably, Heat is transferred in the operating environment of clothes treatment device obtainable surrounding air (such as air/air from process air Heat exchanger).Air/air heat exchanger is provided the process air of first heat exchanger upstream and precooled (in process air Into before first heat exchanger).Process air heat exchanger can be arranged at the base portion of equipment, wherein, it is advantageous to mistake Journey air heat exchanger can be combined with the other elements of heat pump.Process air heat exchanger is in process air loop A part for the channel part segment unit for the process air passage that process air is circulated wherein is incorporated into process air passage In the channel part segment unit.

Process air guiding from clothing storage room guided procedure air and is returned to clothing storage room by process air passage, Preferably storage room is laundry drum.One section of process air passage --- preferably prepass section or passage section list Member --- the base portion of the process air come out from clothing storage room towards clothes treatment device is guided downwards and makes process empty Gas air-flow is from downward direction deflecting horizontally." downward " direction can include vertical and/or relative to vertical (part Ground) tilt or even partly horizontal flow path section --- however, with following actual effects：In channel part segment unit In, process air is directed downwardly to lower height level (in the routine operation side of clothes treatment device from high height level In position).Preferably, the process air for deflecting to horizontal gas flow direction enters first heat exchanger and/or process air passage Cell channel section.

According to the present invention, process air heat exchanger is incorporated into the process air of channel part segment unit wherein from downwards Into deflection part horizontally or for channel part segment unit process air wherein from being in downward direction deflected into level The part in direction.Alternatively or additionally, the heat exchanger interface surface of process air heat exchanger or its most of (example Such as, relative to its heat exchange surface) formed as process air passage outer wall wall portion.Two kinds of solutions are all realized Integration process air is warm in a compact fashion in the case of not needing additional space requirement or not needing a large amount of additional space requirements Exchanger.

Preferably, process air heat exchanger is incorporated into channel part segment unit, wherein, process air heat exchanger includes Cooling air passage, the cooling air passage stretches by process air passage.Preferably, cooling air passage stretches by mistake Journey air duct so that it is fully surrounded by process air.

In alternative configuration, heat exchange surface or interface shape between process air contact side and cooling air contact side Into the section of the outer wall for limiting its outside extension of process air passage.This means the outer wall of air duct --- preferably lead to The outer wall of road section unit --- it is the integral part of process air heat exchanger.Preferably, the outer wall of air duct is its heat The basic surface region part of exchanger interface zone.Wherein, cooling air is only in the part on the outside of process air passage Flowing.

Preferably, process air loop is loop, wherein, process air is continuously circulated by clothing storage room. However, process air loop can also be arranged to：(preferably less) part for process air is arranged from process air loop Go out and fresh air (for example, surrounding air) be introduced into process air loop to substitute the process air of discharge.And/or (the preferably only short section of total processing time) is temporarily opened so as to open loop discharge in person, process air loop.

Channel part segment unit represents one section or a part of of process air loop and not set ad hoc generally preferably The section of placement or setting up procedure air heat exchanger is set to, but if heat pump system designs are not into having process air heat exchange Device, then channel part segment unit is also by the section of setting.That is, process air heat exchanger does not need extra design and/or volume Process air heat exchanger is incorporated into process air loop by outer part.

Preferably, process air heat exchanger is arranged close to first heat exchanger and/or positioned at first heat exchanger Upstream and the downstream in clothing storage room.So as to optimize heat exchanger effectiveness and heat pump system efficiency, because in heat and height Moisture condition under heat energy be removed from process air and there is provided precooling to first heat exchanger.On the other hand, by In close to first heat exchanger, the condensate formed in process air heat exchanger can be directed to or discharge the most first heat The condensate collection device that exchanger is provided.In embodiments, process air heat exchanger is arranged in passage section --- For example in channel part segment unit, base portion shell of the channel part segment unit at least partially through the base section of clothes treatment device Body or bottom shell are formed.In this case, when for being guided in the cold of the condensate formed at process air heat exchanger Condensate collects guiding structural and is collected and is directed to collecting condensation by the structure being at least partially disposed in bottom shell It is favourable during device.

In one embodiment, channel part segment unit --- process air heat exchanger is incorporated into the passage at least in part In section unit either the channel part segment unit a part --- be arranged in the base section of equipment.Additionally or substitute Property, heat exchange interface surface or interface between process air passage and process air heat exchanger cooling air guidance surface Including total heat exchange interface surface for the process air heat exchanger of exchanged heat between cooling air and process air extremely Few 50%, 55%, 60%, 70%, 80% or 90%.

In one embodiment, the base section of clothes treatment device has bottom shell, bottom shell construction shaping Into at least a portion of cell channel.Cell channel is a part for process air passage, in the portion, at least provided with the One heat exchanger (for example, evaporator) and second heat exchanger (for example, condenser).Preferably, bottom shell and cell channel At least a portion form one or overall element, for example formed by injection moulding of plastic materials.Preferably, bottom shell is formed The low portion of cell channel, the upper part of upper body formation cell channel.

In a preferred embodiment, channel part segment unit be lint filter unit (for example, filter compartment) and/or It is the maintenance channel unit of equipment.Lint filter unit is for example arranged in the base portion of equipment, preferably the front portion of slave unit It can enter, and with lint filter, the lint filter is empty from process before process air enters first heat exchanger Gas removes fine hair.Process air heat exchanger is integrated with lint filter unit to mean the minimum change and minimum of equipment Change and can therefore cost of implementation saving.Channel part segment unit be for safeguard, clean or maintenance of equipment part In the case of maintenance channel unit, this is equally applicable.For example, maintenance channel unit is provided on the outside of slave unit casing to process air The path --- such as the opening in casing and/or process air passage --- of loop inner is for cleaning and/or removing The heat exchanger fin of one heat exchanger and/or second heat exchanger.

Hot friendship is carried out between process air and cooling air that process air heat exchanger is circulated in process air loop Change.Cooling air is, for example, the surrounding air around equipment；However, it can also be from air system or from operation equipment Position external environment condition obtain air.Cooling air can rise and by colder cooling air in the cooling air of heating The place of replacement is passively driven by convection current.In a preferred embodiment, cooling air air-flow is driven by air blower It is drawn to process air heat exchanger or from process air heat exchanger.Preferably, air blower is under the control of the control unit Operated so that startup, stopping, operation duration, flow velocity and/or the flow direction of cooling air can be controlled.For example, only Just start cooling air stream when detecting predetermined cryogenic temperature and/or pressure in refrigerant loop.Drive on one's own initiative cold But air draught also provides such advantage：It is related according to the channel part segment unit to being provided with process air heat exchanger Position and technical need adjust the path of process air heat exchanger designs and cooling air.For example, cooling air can be horizontal Xiang Di, flow and cross or by process air heat exchanger vertically upright, vertically downwardly or in the way of its combination.

Preferably, for being blown into the air blower of cooling air at the cover door or skin plate at equipment base portion or in cover In door or skin plate.In the state of cover door or skin plate are closed, cover door or skin plate are for example covered and led in the casing of equipment Service openings path and/or forming process air loop process air passage a part.For example, door or panel covering Lint filter or maintenance channel unit.Preferably, air blower is flat air blower, and the air blower is blown into direction and air blast Machine rotation axis (that is, helical blower) is vertical.Preferably, cover door or panel are provided with opening to draw cooling sky in casing Gas and it is blown into cooling air towards process air heat exchanger.

Alternatively, air blower is arranged at the side of process air heat exchanger and/or channel part segment unit and phase It is laterally offset for process air heat exchanger and/or channel part segment unit, or air blower is vertically situated at process sky Above or below gas-heat exchanger and/or channel part segment unit.Using lint filter unit or maintenance channel unit In the case of, other extension is not present on the direction for entering unit and in process air heat exchanger and equipment machine Additional space is not needed between the outer surface of shell.In one embodiment, air blower be arranged in the base section of equipment and Laterally offset relative to process air heat exchanger, and air guide device is arranged to air being directed to process from air blower Air heat exchanger, or air from process air heat exchanger is directed to air blower.Air blower can be arranged on channel part Below segment unit or in the lower section of channel part segment unit, and set air guide device with by cooling air from air blower It is directed to process air heat exchanger or is directed to air blower from process air heat exchanger.

When air blower is disposed relative to channel part segment unit and/or process air heat exchanger laterally or straight down Or when up offseting, cooling air guide element or device are preferably provided with, the cooling air guide element or device will The cooling air for being promoted by air blower or being drawn is guided towards process air heat exchanger or guided from process air heat exchanger Go out.Cooling air guide element is one or more of for example, following element：Passage, guide plate, fin, nozzle, Baffle plate or its combination.By air guide device (element), the efficiency of the heat exchange for the cooling air being blown into is improved.It is preferred that Ground, air guide device is suitable to air draught is concentrated into process air heat-exchanger surface and/or is evenly distributed in On the surface of process air heat exchanger.Preferably, air guide device for equipment shell cover or panel a part or A part for lint filter unit or maintenance channel unit.Therefore, dual-use function is provided by air guide unit.

In one embodiment, at least the element worked in heat exchange of process air heat exchanger is that process is empty The part part of forming process air loop (itself and then) for gas passage.In this way, the length in process air loop can To keep shorter and configuration again necessity to keep relatively low.Preferably, at least heat exchange of process air heat exchanger Unit is incorporated into the door of channel part segment unit, compartment cover or drawer, or is formed the door of channel part segment unit, compartment cover or taken out A part for drawer, or door, compartment cover or drawer as channel part segment unit.So, process air heat exchanger or one Part can be removed and can repair from process air passage, for example, can be during equipment operation in process air loop Cleaned at the section of side.

Alternatively or additionally, process air heat exchanger includes at least one cooling air passage, the cooling air Channel part or be completely disposed within process air loop to connect with the process air heat flowed in process air passage Touch.Because at least one cooling air passage is located in process air loop or crosses or by process air loop, therefore increase The process air of big process air passage carries out the contact surface and cross section of heat exchange with process air heat exchanger herein.

Preferably, the heat exchange surface of process air heat exchanger is increased by using one or more heat-conduction components Greatly, such as corrugated metal sheet, radiator element, heat exchanger breach, heat exchanger fin or its combination.These heat transfer One or more of element heat-conduction component can be arranged on process air (that is, in process air loop inner) or with it is cold But on the surface of air (that is, in the outside of process air passage or the inner side of cooling air passage) the contact or surface.

In one embodiment, process air heat exchanger and/or channel part segment unit include condensate collector element And/or condensate guide element, for collecting the condensation formed in process air cooling period in process air heat exchanger Thing.Preferably, condensate is collected in channel part segment unit and is led to via groove or passage as the first heat exchange The condensate reservoir that device is provided.By condensate groove or passage, condensate can be directed to from process air heat exchanger Out to safeguard the ability of its heat exchange.When the condensate reservoir using process air heat exchanger, it is not necessary to extra Condensate and miscellaneous part (such as condensate pump or condensate liquid level detector) can be used in conjunction with.

Preferably, there is condensate collector element groove or passage to be equipped to the first heat exchange so that condensate to be directed to The condensate reservoir of device is directed to collector by first heat exchanger.

When at least a portion of process air heat exchanger --- it is preferably at least in the member worked in heat exchange Part --- removably it is arranged at process air passage or when in process air passage, can be convenient with user Mode provides maintenance for the process air heat exchanger on the outside of equipment or process air loop.Again by removal process air At least a portion of heat exchanger, improves or obtains the path for another part for maintenance, such as lint filter Path or first heat exchanger path, for cleaning or exchanging heat.Preferably, process air heat exchanger or part thereof shape Used as the drawer --- preferably being taken out together with lint filter --- that can be taken out from process air passage with reinforcement The convenience for the repetition standard repair that person removes for such as fine hair.Preferably, above-mentioned lint filter filters for the second fine hair Device, second lint filter is arranged on the upstream of first heat exchanger and the downstream of the first lint filter, the first fine hair mistake Filter is arranged on for example for making process air enter before the process air passage for receiving process air from clothing holding compartment In the porch of section or the entrance.

In another remodeling, it is not provided with the second lint filter (above-mentioned lint filter) and (and preferably only sets One lint filter).Set preferably, in this case by the flushing dress with least one or more nozzle or liquid outlet Put so that liquid to be sprayed or supplied to first heat exchanger and/or the surface of process air heat exchanger, to remove or wash off receipts Collect the fine hair at the surface.Flushing liquid can at least partly be from first heat exchanger and/or process air heat exchange The condensate that device is collected.As it appears from the above, collecting condensation guiding structural and first heat exchanger and/or process air heat exchanger It is associated by the collecting condensation formed at first heat exchanger and/or process air heat exchanger and to be directed to condensate Collection device.Therefore, collecting condensation structure is used as flushing liquid collection structure simultaneously.In another remodeling, it is not necessary to (the Two) lint filter and the filter compartment for (second) lint filter need not therefore be provided.In further result In, in the remodeling, it need not be used to taking out filter drawer into the filter drawer to clean in process air passage And/or filter maintenance lid or opening.However, in the remodeling, maintenance and passage opening and lid OR gate can be provided, and The inspection and maintenance (if desired) of rinsing unit can be performed with passage opening and lid OR gate by repairing.

In embodiments, equipment also includes secondary unit, and the secondary unit is connected to the system of heat pump Refrigerant circuit.Secondary unit is also used for removing --- in stable state and/or after the heating period --- by compressor The waste heat put.Preferably, air blower is provided with so that cooling air flowing is crossed or by secondary unit, and more Preferably, cooling air is also blown into auxiliary heat exchange for providing the air blower of cooling air for process air heat exchanger Device.Common air blower concurrently can provide cooling air to secondary unit and process air heat exchanger, or There is provided first to process air heat exchanger and be then provided to secondary unit, vice versa.Air blower may be provided at auxiliary Between heat exchanger and process air heat exchanger or their downstreams (absorption cooling air) or upstream (being blown into cooling air). Preferably, secondary unit is arranged on the bottom wall or side-walls of equipment shell.

Referring in detail to the present invention preferred embodiment, example preferred embodiment in the accompanying drawings to the present invention It is illustrated, accompanying drawing is shown：

Fig. 1 is the schematic diagram of the drying machine with heat pump；

Fig. 2 is the stereogram of the base unit of accommodating heat pump；

Fig. 3 is the stereogram of the base unit of air/air heat exchanger with one；

Fig. 4 is Fig. 3 base section, wherein, filter door is opened；

Fig. 5 a and Fig. 5 b are the outward appearances of the low portion of the drying machine with air/air heat exchanger according to Fig. 3, Filter door is opened in Fig. 5 a, and filter door is closed in figure 5b；

Fig. 6 is the perspective, cut-away view of Fig. 3 heat pump drier base section, wherein, show process air air-flow and cold But air draught；

Fig. 7 a are the sections of the base unit for the Fig. 3 for illustrating second embodiment, wherein, air/air heat exchanger There is the auxiliary condenser in additional downstream under operation and compared with Fig. 6；

Fig. 7 b are the face upwarding stereograms of Fig. 7 a base section；

Fig. 8 is another stereogram corresponding with Fig. 7 a air-flow operation, however, with reverse ambient air；

Fig. 9 is the 3rd embodiment of another simplification of convection current-driving air/air heat exchanger；

Figure 10 a are the 4th embodiments of another simplification of air blower-driving air/air heat exchanger；

Figure 10 b are air blower-driving air with the condensate flusher instead of the second lint filter/air heat 5th embodiment of another simplification of exchanger；

Figure 11 is the stereogram of drying machine base portion, wherein, remove preceding bottom panel and show according to the 6th implementation Mode has air/air heat exchanger of front-seat gas port；

Figure 12 is Figure 11 partial section, wherein, filter drawer is extracted；

Figure 13 is the partial section of Figure 11 base unit with air/air heat exchanger, be illustrated therein is Journey air draught and cooling air air-flow；

Figure 14 is the partial section of Figure 11 base unit with air/air heat exchanger；

Figure 15 is the section of the base unit with air/air heat exchanger from the anterior Figure 11 to rear side of drying machine Figure, wherein illustrating in greater detail process air air-flow and cooling air air-flow；

Figure 16 is that the air/air heat exchanger having according to the 7th embodiment looked from below is condensed with auxiliary The stereogram of the lower section of the drying machine of device；

Figure 17 is Figure 16 base segment for indicating process air air-flow and cooling air air-flow；

Figure 18 is the portion for air/air heat exchanger and auxiliary condenser in the base segment of Figure 16 drying machine The stereogram of part；

Figure 19 is another sectional perspective sectional view of Figure 16 arrangement, wherein process air air-flow is illustrated in greater detail and cold But air draught；

Figure 20 is the stereogram partially opened of the inner side with condensate siphon pipe of bottom shell；

Figure 21 is the 8th embodiment of another simplification of passage shape air/air heat exchanger；And

Figure 22 is the vertical view for simplifying arrangement with the air blower being arranged in filter door according to the 9th embodiment Figure.

Fig. 1 show in a schematic household electrical appliance 2, wherein, the household electrical appliance 2 are heat pump drum-type in this embodiment Drying machine.Cylindrical drier includes heat pump 4, and the heat pump 4 is included in closing with cold-producing medium stream B following orders In refrigerant loop：As for evaporated refrigerant and the first heat exchanger of the evaporator of cooling procedure air 10；Compressor 14；It is used as the second heat exchanger 12 of the condenser for cooling down refrigerant and heating process air；And expansion gear 16, system Cryogen is back to first heat exchanger 10 from expansion gear 16.The refrigeration of part of the heat pump with being connected in series heat pump 4 Agent pipeline forms refrigerant loop 6 together, and refrigerant cycles through refrigerant by compressor 14 like that as shown by arrow and returned Road 6.If the refrigerant in heat pump is operated under Trans-critical cycle or complete supercriticality, the He of first heat exchanger 10 Second heat exchanger 12 can be respectively as gas heater and gas cooler.

Expansion gear 16 is controllable valve, and the controllable valve is operated with according to heat pump 4 under the control of the control unit Mode of operation adjustment for refrigerant flow resistance.In alternative embodiment, expansion gear 16 can be：Capillary Pipe；Valve with fixed expansion section；Choke valve with variable cross section, the choke valve can be according to refrigerant pressure (example Such as, by elastomer or spring biasing) adjust automatically expansion section；Semi-automatic choke valve, in the semi-automatic choke valve, according to The temperature of refrigerant expands section (for example, by the actuating of thermostat and/or in the part thermally contacted with refrigerant to adjust Any part at obtain refrigerator temperature place).

Process air air-flow in household electrical appliance 2 is guided through the compartment 18 of household electrical appliance 2, i.e. by for connecing Receive the compartment 18 of pending article, such as roller 18.Pending article is fabric, clothing 19, clothes, footwear etc..Herein Embodiment in, these articles are preferably fabric, clothing or clothes.Process air air-flow is indicated simultaneously by arrow A in Fig. 1 And driven by process air air blower 8.Process air passage 20 is in the outside guided procedure air draught A of roller 18, and process Air duct 20 includes different sections --- the electricity of first heat exchanger 10 and second heat exchanger 12 is provided with including being formed Pond passage 20a section.The process air for leaving second heat exchanger 12 flows to and is provided with the rear logical of process air air blower 8 In road 20b.The air transmitted by air blower 8 is guided up to the rear side of roller 18 in rising passway 20c.Gone out by roller Mouthful the loading opening of roller (drum outlet be) leave the air of roller 18 by close in passage 20 or passage 20 rolling The first lint filter 22 that cylinder outlet is set is filtered.Then, air flow by set close to first heat exchanger 10 the Two lint filters 24.First lint filter 22 and the second lint filter 24 are arranged in prepass 20d, the prepass Another section of the front shroud for being arranged on behind the front shroud of drying machine 2 and abutting drying machine 2 of 20d formation passages 20.

Prepass 20d also accommodates air/air heat exchanger 26 and/or partly by the shape of air/air heat exchanger 26 Into.In following embodiments, the function of air/air heat exchanger 26 is also by reference 26a, 26b, 26c, 26d or 60 represent.During the operation of drying machine 2, air/air heat exchanger 26 is by the heat transfer from process air to surrounding Air, the surrounding air is also referred to as used as cooling air below.By transferring heat to cooling air, in heat pump 4 During the stable state of operation, thermodynamical equilibrium is realized between the loop and refrigerant loop 6 in process air loop.Cause This, consumed by compressor 14 and not over compression refrigerant be converted into work can electric energy --- i.e. the heat energy of compressor --- It is balance in the closed-loop path of refrigerant and process air in the ideal situation.It means that in the stabilization of heat pump 4 (maximum or intimate maximum operating condition or efficiency are wherein realized after the heating period) under state, by compressor in refrigeration The heat stored in agent loop 6 must balance to prevent overheat via air/air heat exchanger 26.

According to the present invention, by individually or ad hoc using air/air heat exchanger as unnecessary heat Radiator can remove unnecessary heat and (not consider nonideal heat loss picture from the heat transfer of roller or in refrigerant conduction Heat radiation at part).However, additionally, by (air blower) on one's own initiative or passively (convection current) provide to compressor case And/or the cooling air of auxiliary condenser or gas cooler can remove heat.

In the present embodiment as the cooling air air-flow C of ambient air flow from air/air heat exchanger 26 Take away heat and can be the air draught of active drive or passive matrix in surface.In the case of passive matrix, use Because of the cross-ventilation produced by the heating of surrounding air.In the case of active drive air draught, having used can be by air It is blown into air/air heat exchanger 26 or the air blower 28 from the draw air of air/air heat exchanger 26.In following implementation In mode, reference 28a, 28b, 28c, 28d or 28e are also used for transmitting air draught C air blower.Air draught C can be with It is used exclusively for cooling air/air heat exchanger 26.However, air draught C can also be provided with chiller-heat pump system 4 Downstream or the miscellaneous part of upstream (relative to airflow direction), such as secondary unit 34 (seeing below) and/or compressor.Phase Can be forward or backward for the air draught of secondary unit, i.e. from secondary unit draw air air-flow or to auxiliary Heat exchanger is helped to be blown into air draught.Preferably, operated once realization or close to stable state air blower 28.Preferably, in fortune During row drying cycles, when air blower is just continuously operated when having been carried out or close to stable state.Or, according to cooling Need discontinuously or with the transfer rate of change to operate air blower.

In following embodiment, alternatively, as additional condenser (or in the Trans-critical cycle or complete of refrigerant circulation Gas cooler in the case of full supercritical operation) secondary unit 34 be arranged in refrigerant loop, as in Fig. 1 Shown in the dotted arrow and pipeline 6a and 6b of cold-producing medium stream.In following embodiment, secondary unit 34 can also With reference 34a or 34b.In addition to air/air heat exchanger 26, secondary unit 34 disperses heat to drying machine Around 2.It can be modified in the order of part in refrigerant loop 6 embodiment herein：Secondary unit 34 are not placed between compressor 14 and second heat exchanger 12 relative to cold-producing medium stream, but (not shown) is placed on the second heat Between exchanger 12 and expansion gear 16.The remodeling is applicable all embodiments in this article.

(that is, the normal mode after heating period, i.e. from low environment when heat pump 4 is operated at steady state State temperature starts the normal mode after heat pump 4), heat is transferred to system by first heat exchanger 10 from process air A Cryogen.By the way that process air is cooled into lower temperature, the moisture from process air is condensed at first heat exchanger 10, Collect herein, and the condensate collected is disposed to condensate collector 30.Cool down and remove when through first heat exchanger Then wet process air passes through the wherein hot second heat exchanger 12 that process air is passed to from refrigerator.Process air by Air blower 8 is drawn and driven to roller 18 from exchanger 12, in the internal procedure air heats laundry 19 of roller 18 and from clothing Thing 19 receives moisture.Process air leaves roller 18 and air/air heat exchanger 26 is led in prepass 20d, In air/air heat exchanger 26, process air is pre-cooled before first heat exchanger 10 is arrived at.Such as handed in the first heat In parallel operation 10 like that, the condensate in air/air heat exchanger 26 or at air/air heat exchanger 26 is during precooling Formed at air/air heat exchanger 26.Condensate is collected and is directed to condensate collector via condensate passage 32 30, the condensate collector 30 is also collected in the condensate formed at first heat exchanger 10.Preferably, (referring to following reality Apply mode) condensate from air/air heat exchanger 26 be disposed to condensate collector and/or be arranged on first heat friendship At parallel operation 10 and for the exhaust stack of first heat exchanger 10.

The critical piece of heat pump 4 is arranged in the base section 5 of drying machine 2 or substrate, and heat is shown in the drawings The different embodiments of the critical piece of pumping system 4.

Fig. 2 shows the drying of (in cross section) that partially opens and the drying machine 2 with heat pump 4 of part dismounting The stereogram of machine base section 5.Base section accommodates heat pump in the bottom shell 40 of base frame of drying machine is formed With a part for process air passage 20.Over body case 41 (partly visible in fig. 12) is placed on bottom shell 40, wherein, A part for two housings 40,41 forms cell channel 20a, and the heat of first heat exchanger 10 and second is handed in cell channel 20a Parallel operation 12 (battery for forming heat pump) is surrounded.Passage 20b and air blower 8 are also by bottom shell 40 and top shell 41 afterwards Surround.Motor 9 for blower 8 and roller 18 is also positioned on the lower section of over body case 42 and positioned in this embodiment Between air blower 8 and compressor 14.Figure 2 illustrates for cooling down compressor 14 balance in a conventional manner heat drum Blower fan 28 '.However, in following embodiment, the balance of heat is carried out and compressed via air/air heat exchanger 26 The use of machine air blower 28 ' is optional or completely without or air blower 28 ' is arranged to cooling air C extraly It is blown into air/air heat exchanger 26 (comparison diagram 21).

Air blower 8 partly surrounded by the rear passage 20b that is formed in bottom shell 40 and partly (flabellum) by it In be formed with rear passage or rising passway 20c blower casing 38 is surrounded.In final number of assembling steps, blower casing 38 is pacified It is filled to the rear wall (not shown) of bottom shell 40 and drying machine.Fig. 2 is also shown for filter drawer 36, in this case, the mistake Filter drawer 36 supports the second lint filter 24 and is removed from base portion 5.When filter drawer 36 is inserted into, filter Drawer 36 is positioned in prepass 20d, wherein, the rear side of filter drawer 36 abuts against the front side or bottom of first heat exchanger 10 Partition wall in portion's housing 40 (referring to 80 in Figure 20).Second lint filter 24 can be the integral of filter drawer or Removable part, or lint filter 24 can be arranged on first heat exchanger 10 independently of drawer 36 in some embodiments Front portion, wherein, lint filter 24 is kept by the single fixing device as engaging framework etc..

Fig. 3 shows the stereogram of the base section 5 of drying machine in the first embodiment, wherein, heat pump 4 Critical piece and air/air heat exchanger of one are arranged in base section 5.For controlling heat pump and drying machine The control unit of the operation of (not shown) is arranged in the upper section of drying machine, is additionally provided with the upper section for making The control panel and display of user's input.A part still its not shown rotation of roller 18 is shown in some embodiments Turn supporting member and the belt for carrying out drum driven via motor 9.As described above, compared with the air blower shown in Fig. 2, pressure Contracting machine cooling air blower 28 ' can be provided or omitted or be arranged on another position.Exist above by reference to Fig. 1 and Fig. 2 part illustrated (and below in all accompanying drawings) provides identical reference in Fig. 3, because these parts are in refrigerant loop 6 With in process air loop have identical function and/or arrangement.

It is empty in Fig. 3 into the first embodiment (and second embodiment in Fig. 7 a into Fig. 8) shown in Fig. 6 Gas/air heat exchanger 26a (function with the exchanger 26 in Fig. 1) is arranged on the inner side of path or filter chassis door 42 Place.Filter door 42 is pivotally supported at bottom shell 40 and lower closing in off position via hinge 44 Open front in prepass 20d lower section.Open front provides the removable filtering for leading to the second lint filter 24 of supporting The path of device drawer 36.Sealing between the edge and door 42 of opening in prepass 20d is provided (Fig. 4) by seal frame 48. The lower section adjoining bottom shell 40 and the upper section adjoining over body case 41 (comparing Figure 14) of framework 48 of seal frame 48. Air/air heat exchanger 26a is mainly formed by corrugated metal sheet, and the corrugated metal sheet seals supporting in the following manner Door 42：Cooling air can through on side towards the front portion (when door 42 is closed) of drying machine 2 slit-shaped openings 46 simultaneously And cooling air can be through the air duct formed by the section for extending inwardly to prepass 20d of exchanger metallic plate Opening at bottom.That is, being provided with what is be completely separated from process air air-flow A between exchanger metallic plate and door Seal cooling air passage.The bottom opening of metallic plate extension is corresponding with the opening in bottom shell 40, and the opening causes Cooling air can the bottom shell 40 of downside and cooling air passage between exchanger metallic plate and the inner side of door 42 it Between flow.

Exchanger metallic plate can cooling breach on the inside of and/or outside have as serpentine, the corrugated shape of zigzag Shape or any other shape with the high surface region/base regions ratio of offer.Base regions be when door 42 is closed from The region that front side is seen, and serpentine or the section for referring to the sectional horizontal when door 42 is closed in a zigzag.In filter door The serpentine shape can be most preferably seen in 42 Fig. 4 partly opened.

The filter 42 that Fig. 5 a depict the lower section of drying machine 2 in the assembled state and opened.The side of drying machine Portion is covered by the cover for forming the part for drying box body, wherein, show lateral cover or side cover 54, front shroud 52 and at bottom Base portion panel 50.When filter door 42 is closed, slit opening 46 is empty by the cooling in air/air heat exchanger 26a Gas path is directly connected with surrounding air.Fig. 5 b show the lower section for the drying drying machine 2 that filter door 42 is closed Corresponding outward appearance.

Fig. 6 is the sectional view of the base section 5 for Fig. 3 that filter door 42 is closed.It is indicated by an arrow in sectional view Process air air-flow A and cooling air air-flow C flow path.Process air air-flow A in prepass 20d is in upper section Place comes out from plotting planes and deflected down towards filter 24 and air/air heat exchanger 26a.First lint filter 22 are arranged at loading door opening framework and are located at relative to door is loaded at more right side.When process air has already passed through passage 20d In the first filter 22 when, process air first with it is left in downward direction deflect to passage 20d be provided with the second filter 24 With the left bottom side (that is, filter compartment) in air/air heat exchanger 26a section.In passage 20d continuity, process Air, which also deflects to horizontal direction, to be used to make air horizontally through heat exchanger 10.When process air draught A passes through air/sky Gas-heat exchanger 26a and during the second filter 24, process air air-flow A passes through first heat exchanger 10 and second heat exchanger 12.Therefore, prepass 20d total deflection is to be come out from the filter 22 of roller 18 and first to horizontal direction downwards and enter battery In passage 20a.

Fig. 6 further depict the cooling air air-flow or path C for the first embodiment of drying machine 2.Air blower 28a is Tangential air blower, and surrounding air is drawn from the bottom part down of bottom shell 40, and in air/air heat exchanger 26a Corrugated metal sheet U-shaped recess between surrounding air is upwardly directed towards the slit shape door opening 46 that cooling air leaves To the front side of drying machine.In the air/air heat exchanger 26a of first embodiment (and following second embodiments), Corrugated metal sheet is a part for prepass section 20d outer wall while being process air passage 20 and cooling air stream Separates walls between dynamic path C.Even if corrugated board (preferably metallic plate) has the recess for reciprocally extending to other passages, Process air passage 20 and cooling air passage 20 around cooling air path C each do not close other passages yet.

In figure 6 in shown embodiment, cooling air air-flow and process air air-flow are substantially antiparallel.Substituting Property configuration in, flow direction can reversely cause along exchanger 26a corrugated metal sheet cooling air air-flow and process air Air-flow is (comparison diagram 7a) parallel to each other.In another configuration, air intake or outlet (according to flow direction) at bottom side are no It is to come from rear side (as shown in Figure 6) or reach rear side, but to and from the front side of drying machine.

Fig. 7 a show the partial section of drying machine 2 in this second embodiment.Second embodiment is based on first Embodiment, the difference having is except air/air heat exchanger 26a is also provided with auxiliary condenser 34a.On refrigerant Stream, auxiliary condenser 34a is incorporated into the refrigerant loop 6 mentioned as more than in Fig. 1 content.In the combination, therefore Realize the precooling of air/air heat exchanger 26a by the upstream of heat exchanger 10 and removed from refrigerant it is unnecessary Heat.Auxiliary condenser 34a is mechanically arranged on the corresponding recess of the outside of bottom shell 40 at its bottom side In.Process air air-flow A is the process air air-flow A as in Fig. 3 to Fig. 6 embodiment before.

Further according to Fig. 7 a, it can be seen that cooling air air-flow C passes through 46 air inlets of slit opening/air heat exchange Device 26a, flowing cross exchanger metallic plate outer surface, through the bottom opening in exchanger metallic plate and bottom shell 40, Air-flow is expelled in secondary unit 34a and by secondary unit through air blower 28a, air blower 28a 34a, and be expelled to from secondary unit 34a in the outside for drying the drying machine body at motor spindle.Air blower 28a has The function of air blower 28 in Fig. 1 or Fig. 6, and additionally cooling secondary unit 34a (secondary unit 34a tools There is the function of the secondary unit 34 in Fig. 1).Air blower 28a is tangential air blower, and it passes through air/air heat exchanger 26a draws cooling air and discharges cooling air by secondary unit 34a.In embodiments, air-flow direction Can be reverse as shown in Figure 6, i.e. air blower can by secondary unit 34a draw cooling air and by air/ Air heat exchanger 26a discharges cooling air.

Fig. 7 b provide the face upwarding stereogram of Fig. 7 a base section 5, wherein, it is seen that including air/air heat exchange Device 26a, air blower 28a and secondary unit 34a arrangement.There is provided a kind of compact arrangement, to existing laundry facilities The requirement of modification is low and realizes efficient, inexpensive solution.What is formed at air/air heat exchanger 26a is cold Condensate is discharged to condensate passage and the sump provided for first heat exchanger 10 and guides condensate from sump To condensate collector 30 (going back comparison diagram 20).

Fig. 8 shows the remodeling of the drying machine 2 of the second embodiment shown in Fig. 7 a and Fig. 7 b, wherein, with Fig. 7 a phases Than the direction by air/air heat exchanger 26a, air blower 28a and auxiliary condenser 34a cooling air air-flow C is anti- To.

Fig. 9 shows the 3rd embodiment of the simplification of the drying machine base section 5 at air/air heat exchanger. Herein, completely flat thermal conductive metal plate 60 is used as air/air heat exchanger.It is also possible, however, to use such as first in fact Such corrugated metal sheet is applied in mode to substitute.Process air air-flow A is by metallic plate 60 from the upper of top or lateral tilt Side is directed to by the second lint filter 24 towards first heat exchanger 10.In this embodiment, cooling air air-flow C leads to Cross convection current driving and entered by bottom opening 46a in bottom shell 40, through filter drawer 36 antetheca inner side Left between the outer surface of metallic plate 60 and by slit opening 46.Herein, outer antetheca formation is integrally formed with drawer Filter door 42, and when at handle 37 pull when filter door 42 with drawer 36 can together with extract out.Formed in metal Condensate on the inner surface of plate 60 is led to the cold of first heat exchanger 10 via the exhaust stack 62 formed by metallic plate 60 Condensate sump 31, the 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.Other air blower is not needed to be used for air/air heat exchanger in this case.

In figure loa in the 4th shown embodiment, air blower 28b is used to drive cooling air A to cross air/air Formed in heat exchanger, the air/air heat exchanger such as Fig. 9 the 3rd embodiment by metallic plate 60.Air blower is supported by In the structure of bottom shell 40.Second lint filter 24 flatly sets in drawer 36 and prevents fine hair from collecting in sky In gas/air heat exchanger.By pulling out drawer 36 at handle 37, the second lint filter 24 can be from prepass 20d (mistakes Filter compartment) it is removed and user from filter and air/air heat exchanger can remove fine hair in convenient position. Furthermore, drawer front wall formation filter door 42.There is provided multiple openings 46 is used to draw cooling air, and cooling air is in bottom shell Discharged at bottom opening in 40 by air blower 28b.Cooling air intake is set to have at the front side of drying machine 2 following excellent Point：Flow resistance it is lower and at cooling air intake or opening collect dust more easily can be moved often by user Remove.In this specific embodiment, dust can be removed together with cleaning filter 24.However, as a kind of remodeling, cooling is empty Flow of air direction reversely can cause the normally colder air from bottom (to pass through the auxiliary of gravity convection by opening 46 Help) draw and discharge.

The 5th embodiment shown in figure 10b is similar with the 4th embodiment shown in Figure 10 a, and with it is shown Element and its function are relatively with reference to the 5th embodiment.Difference is, eliminates the second lint filter 24 and in rolling The first lint filter 22 is used only at the outlet side of cylinder 18.Fled from from the first lint filter 22 or accidentally get around the first fine hair The fine hair of filter 22 is deposited on the inwall of the metallic plate 60 of air/air heat exchanger and first heat exchanger 10 is entered Enter on region.Due to the condensate produced in the precooling at metallic plate 60 by process air A, strengthen fine hair air/ Deposition at air heat exchanger.Often the fine hair deposited at air/air heat exchanger and first heat exchanger 10 passes through Washed away from the spraying 104 for the spray nozzle injection being arranged at sprayer unit 100.As indicated, a spray nozzle points to gold Belong to plate 60 (that is, the heat transfer surface of air/air heat exchanger) and a spray nozzle points to exchanger 10.However, right In each exchanger, single-nozzle for spraying can be used to two or more spray nozzles.Liquid spray is preferably It is previously collected in the condensate in condensate collector 30, and by pump 102 from the condensation of condensate collector 30 or centre Thing tank is drawn to sprayer unit 100.Alternatively, instead of pump 102, valve is open for rinsing and from being arranged on drying machine 2 Upper area at condensate tank provide condensate.

As shown, it is no longer necessary to filter drawer 36 and be provided with repair drawer 106, by so repairing drawer 106 It can be removed to lead to the maintenance channel of first heat exchanger 10 and/or passage section 20d.When maintenance drawer 106 leads to When crossing pull handle 37 and taking out, air/air heat exchanger 60 is extracted from prepass 20d and in outside cleaning fine hair, together When fine hair or other deposits can be taken out from the front side of exchanger 10.In the alternative arrangements of the 5th embodiment, do not carry It is fixedly mount to prepass 20d to provide the integral or non-removable of channel outer wall for maintenance channel and metallic plate 60 Part.

Figure 11 is shown with the side cover 54 and front shroud 52 installed while removing preceding bottom panel (in fig 5 a 50) Drying machine base section 5 stereogram.Figure 11 to Figure 14 is related in the anterior subchannel 20d of process air passage 20 --- Particularly in lint filter section or prepass 20d compartment --- it is integrated with the 6th of air/air heat exchanger 26b the Embodiment.Closing in fig. 11 filter door 42 conceal figure 12 illustrates air/air heat exchanger 26b, In fig. 12, filter drawer 36 is extracted out from its prepass compartment.Cooling air is via the left front portion for being arranged on bottom shell 40 The lower front of radial blower 28c from drying machine 2 at section is inhaled into.Air blower 28c passes through through prepass 20d and in drum The pipeline terminated in fan outlet 66 is blown into cooling air, and the pipeline carries for air/air heat exchanger 26b entrance 68 simultaneously For flange.Cooling air is deflected down horizontally through exchanger 26b and in the end of exchanger, and wherein cooling air exists Left at heat exchanger outlet 70.When in drawer 36 and exchanger 26b insertion prepass 20d (Figure 14), outlet 70 is positioned to Matched with the discharge outlet passage 72 that flange is provided to exchanger outlet 70.

As shown in Figure 12, air/air heat exchanger 26b is incorporated into drawer 36, when filter door 42a is opened, The drawer 36 can be inserted and extracted out from the filter compartment in passage 20d by using handle depression 37.With first in Fig. 3 Embodiment is compared, because cooling air does not have through the turnover exchanger 26b of interface opening 68/70, therefore filter door 42a Slit opening 46.Lint filter 24 is shown positioned in the front portion of first heat exchanger 10, however, in routine operation, using The inner frame of drawer 36 is assigned in keeping the framework card of the second lint filter 24 so that can be by itself and drawer 36 by user Insert and remove together.

Figure 13 and Figure 14 shows Figure 11 base section with air/air heat exchanger 26b with partial section view 5.Cooling air air-flow C enters and leaves at the front panel of drying machine, wherein setting phase in preceding bottom panel (not shown) The opening answered with can make cooling air enter air blower 28c opening in.Such as by exchanger 26b sectional view (Figure 13) or Partial section view (Figure 14) it can be seen that, horizontal or vertical flank or fin 76 are in exchanger 26b inside along gas Effective heat exchange surface that the extension of stream direction is contacted with increasing with cooling air.

As being shown in further detail in Figure 15, process air air-flow A is shunted in prepass 20d so that its completely about Outer wall flows, cooling air passage of the outer wall formation through air/air heat exchanger 26b of prepass 20d inside.With First embodiment to the 6th embodiment is compared, heat exchanger 26b with the process air A sections contacted or interface surface not It is prepass 20d outer wall, but prepass 20d inwall.In this way, heat exchanger 26b contacted with process air A into The exterior surface area of row heat exchange is maximized.In the illustrated embodiment, the process air due to process is entering the first heat There is high temperature before exchanger 10, therefore exchanger 26b outer surface is substantially flat.In addition, by substantially smooth outer Surface, reduces fine hair and captures and user is removed fine hair simplification.In exchanger 26b embodiment, it can set Flank or other surfaces extending element are to increase the surface for carrying out heat exchange with process air.Process air air-flow and cooling Air draught as shown in Figure 17, and has following differences：In the 6th embodiment, cooling air is discharged from exhaust passage 72 To the outside of drying machine and front portion (C in Figure 11).

Figure 16 and 17 illustrates the 7th embodiment for incorporating air/air heat exchanger, wherein, air/air heat Exchanger 26b and air blower 28b arrangement is identical with the arrangement in Figure 11 to Figure 15 embodiment.Difference is, from The cooling air for opening exchanger 26b is led in secondary unit 34b by transmission channels 74 from exchanger 26b.Auxiliary heat Exchanger 34b arrangement and function and the secondary unit 34a with reference to described by Fig. 7 a to Fig. 8 embodiment arrangement and Function phase is same, and carries out reference to it.Transmission channels 74 provide the interface as passage 72 for heat exchanger outlet 70.

When Figure 16 shows the drying machine that the air looked from below/air heat exchanger 26b is extracted out together with drawer 36 Lower section and auxiliary condenser 34b position stereogram, Figure 17 is indicates process air air-flow A and cooling air gas Flow the side cross-sectional view of the bottom of the C embodiment.In embodiment as shown in Figure 7 a, process air A is from lateral The first lint filter 22 in the prepass 20d of inclined upward, which comes out, to be entered in following sections of filter compartment：In the portion At section, process air A above air/air heat exchanger by and be deflected through flatly and backward the second fine hair mistake Filter 24 and first heat exchanger 10.Cooling air air-flow C (is crossing airflow direction through the flank in the inner side of exchanger Section in the exchanger look like grid (grid)), enter horizontally into air/air heat exchanger 26b (from plotting planes Behind vertically) and deflect down in exchanger outlet end into transmission channels 74, the transmission channels 74 lead air-flow Secondary unit 34b is led to, cooling air air-flow C is discharged to the sky below drying machine body from secondary unit 34b Between.

Figure 18 shows the outward appearance and route of the cooling air channel path of the 7th embodiment.Figure 19 is provided by cold But air duct path reaches the section of transmission channels and especially by with fin as above described in conjunction with Figure 13 76 air/air heat exchanger 26b axial cross section.

As in embodiment of above, cooling air airflow direction can be reverse so that cold in the 7th embodiment But air enters at secondary unit 34b and left at air blower, and in the 6th embodiment, cooling air enters Enter exhaust passage 72 (exhaust passage 72 followed by access road) and left at air blower 28c.In reverse air-flow, drum Blower fan 28c air blower or radial blower for axial direction or tangentially, wherein, the suction openings of air blower are connected to air/air heat Exchanger 26b

Figure 20 shows partially opening for the inner side of applicable bottom shell 40 in embodiment described herein Stereogram.This diagram depicts the view of the inner side of the left side outer wall of bottom shell 40.10 and 20 expressions in bracket are positioned at perpendicular The position of first heat exchanger 10 and second heat exchanger 20 between the distance piece set at straight flank and inner side.Bottom shell The inner side of body sidewall forms a cell channel 20a part.A passage 20b part and show after being shown on right side in left side A prepass 20d part is gone out.The prepass 20d part formed filter compartment be used for receive the He of filter drawer 36 The part of second lint filter 24.When inserted, the second lint filter 24, which is abutted against, is arranged on first heat exchanger Filter stop part 80 between 10 and filter and sealed to provide air draught on rear side of lint filter to prevent process Air and fine hair are around opened filter.The condensed water formed in the drying process at secondary unit (is applied to all implement Mode) temporarily collect in filter siphon 82.Siphon pipe 82 fills (at least during drying process) simultaneously by condensate And prevent process air and fine hair from being got around along condensate drain path.

Air/air heat exchanger condensed water is led to electricity together with the condensate formed at first heat exchanger 10 Pond siphon pipe 84.Battery siphon pipe prevents process air from fleeing to outside process air loop (from passage 20).Condensate is from battery Siphon pipe is disposed to condensate collector 30.The bottom of bottom shell 40 is in the lower wall from prepass 20d (filter compartment) Tilted along cell channel 20a into the region of rear passage 20b lower wall, it is logical to be effectively emitted on towards condensate collector 30 The condensate hindered in interface between road section 20d/20a and passage section 20a/20b by siphon pipe 82,84.

Figure 21 shows the 8th embodiment of air/another simplification of air heat exchanger 26c of passage shape, the passage shape Air/air heat exchanger 26c be set to single cooling air passage, the single cooling air passage is crossed or passed through Process air passage in prepass 20d section is especially through its filter compartment.Such as Figure 12 and Figure 16 embodiment party In formula, air/air heat exchanger 26c is arranged in the filter drawer 36 that can be extracted out and with entrance and exit interface 90th, 92 or flange.When drawer is completely inserted into its compartment, the sealing through air/air heat exchanger is provided by flange Cooling air air-flow so that in process air and cooling air (for Figure 12 and Figure 16 identical circle that provides of embodiment Face function) between be not present flee from thing or mixture.Cooling air is discharged at the side of drying machine by side outlet 94.Instead of side Outlet 94, cooling air can also be discharged at the bottom or front portion of drying machine.Instead of single air blower 28c, also using for Cool down the air blower 28d that compressor 14 (also contrasting air blower 28 ' in fig. 2) is provided.The air quilt drawn by air blower 28d It is directed in compressor cooling duct 96 and is oriented at least partially in air/air heat exchanger 26c discharges.Air blower and/ Or cooling air intake can be arranged on side-walls at the antetheca of drying machine rather than shown.Air draught can in embodiments With reverse.

Figure 22 shows the top view of base section 5, wherein according to air/air heat exchanger of the 9th embodiment 26d is arranged in filter drawer 36.In this embodiment, cooling-air blower 28e is arranged on lateral pivotable mistake In filter door 42b.Filter door 42b has vent openings 46b in front side and rear side, and towards empty in the closed position of door Gas/air heat exchanger 26b outer surface blows cooling air C.The rectangle of dotted line shows the open position of a 42b.Exchange Device 26d is formed by the corrugated metal sheet that can such as see from section in a horizontal plane, the ripple and the embodiment party for combining Fig. 4 The ripple of formula description is similar.Additionally, similar with the inclination of the metallic plate 60 in Figure 17, sheet metal is from top to bottom towards the One heat exchanger 10 is bent.The inclination from top to bottom provides the condensate sump (comparison diagram 20) towards exchanger 10 Condensate drain road, the flowing for adding heat exchange area and improving process air air-flow A and cooling air air-flow C are special Property.Cross the bottom that air/air heat exchanger 26d is booted down to bottom shell 40 in air draught C from opening 46b front portion Portion, air draught C is discharged by the opening in bottom shell 40 (in contrast such as Fig. 9 at the bottom of bottom shell 40 46a)。

Can be with any convenient side for the combination shown in embodiment of above with described single part or part Formula is combined among each other.

Reference

Passage after 2 roller drier 20b

4 heat pump 20c rising passways

5 base section 20d prepass

The lint filter of 6,6a, 6b refrigerant loop 22 first

The lint filter of 8 air blower 24 second

9 motor 26,26a, 26b, 26c, 26d

10 first heat exchangers (evaporator) air/air heat exchanger

12 second heat exchangers (condenser) 28,28a, 28b, 28c, 28d, 28e

14 compressor air blowers

The compressor air blower of 16 expansion gear 28 '

18 rollers (clothing compartment) 30 condensate collectors

The condensate sump of 19 clothing 31

The condensate passage of 20 process air passage 40 32

20a cell channels 34,34a, 34b auxiliary condenser

The transmission channels of 36 filter drawer 74

The fin of 37 handle 76

The filter stop part of 38 blower casing 80

The filter siphon of 40 bottom shell 82

The battery siphon pipe of 41 over body case 84

42,42a, 42b filter 90 Entry Interfaces of door

The exit interface of 44 hinge 92

The side outlet of 46,46b door openings 94

The compressor cooling duct of 46a bottom openings 96

The spray nozzle of 48 seal frame 100

The pump valve of 50 base portion panel 102

52 front shrouds 104 rinse spraying

54 side covers 106 repair drawer

The maintenance cover of 60 metallic plate 108

62 exhaust stack A process air air-flows

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 (27)

1. clothes treatment device, including：

Clothing storage room (18), the clothing storage room (18) is used for using process air (A) processing clothing (19),

Process air loop, the process air loop is used to make the process air cycle through the clothing storage room (18), and

Heat pump (4), the heat pump (4) is used to the process air is dehumidified and heated, the heat pump With refrigerant loop (6), the refrigerant loop (6) includes：

First heat exchanger (10), the first heat exchanger (10) is used to heat refrigerant and cools down the process air (A),

Second heat exchanger (12), the second heat exchanger (12) is used to cool down the refrigerant and heats the process sky Gas,

Refrigerant expansion device (16), the refrigerant expansion device (16) is arranged on described second in the refrigerant loop Between heat exchanger (12) and the first heat exchanger (10),

Compressor (14), the compressor (14) is arranged on the first heat exchanger (10) in the refrigerant loop (6) Between the second heat exchanger (12), and

Process air heat exchanger (26,26a-26c, 60), the process air heat exchanger (26,26a-26c, 60) is described The upstream of first heat exchanger (10) is arranged at the process air loop, for providing the process air (A) and cooling Heat exchange between air (C), wherein, the process of the process air heat exchanger to the first heat exchanger upstream Air provides precooling；

Wherein, the process air loop includes process air passage (20), and the process air passage includes passage section list Member,

Characterized in that,

What the process air heat exchanger (26,26a-26c, 60) was incorporated into the channel part segment unit at least in part makes institute Process air (A) is stated from the part in downward direction deflecting to horizontal direction,

The process air heat exchanger (26,26a-26c, 60) include at least one cooling air passage, it is described at least one Cooling air passage is arranged in the channel part segment unit and is directed through the channel part segment unit, wherein, it is described extremely A few cooling air passage is thermally contacted with flowing through the process air (A) of the channel part segment unit, and

The channel part segment unit is the lint filter unit and/or maintenance channel unit of the equipment.

2. equipment according to claim 1, wherein, inner side and the cooling air (C) of the cooling air passage connect Touch and the outside of the cooling air passage is contacted with the process air (A).

3. equipment according to claim 1 or 2, wherein, the heat of the process air heat exchanger (26,26a-26c, 60) Exchange the wall portion (60) of the outer wall section of at least a portion formation restriction process air passage (20) of interface surface.

4. equipment according to claim 1, wherein, the equipment is drying machine (2) or washing machine with functions/drying.

5. clothes treatment device, including：

Clothing storage room (18), the clothing storage room (18) is used for using process air (A) processing clothing (19),

Process air loop, the process air loop is used to make the process air cycle through the clothing storage room (18), and

Heat pump (4), the heat pump (4) is used to the process air is dehumidified and heated, the heat pump With refrigerant loop (6), the refrigerant loop (6) includes：

First heat exchanger (10), the first heat exchanger (10) is used to heat refrigerant and cools down the process air (A),

Second heat exchanger (12), the second heat exchanger (12) is used to cool down the refrigerant and heats the process sky Gas,

Refrigerant expansion device (16), the refrigerant expansion device (16) is arranged on described second in the refrigerant loop Between heat exchanger (12) and the first heat exchanger (10),

Compressor (14), the compressor (14) is arranged on the first heat exchanger (10) in the refrigerant loop (6) Between the second heat exchanger (12), and

Process air heat exchanger (26,26a-26c, 60), the process air heat exchanger (26,26a-26c, 60) is described The upstream of first heat exchanger (10) is arranged at the process air loop, for providing the process air (A) and cooling Heat exchange between air (C), wherein the process of the process air heat exchanger to the first heat exchanger upstream Air provides precooling,

Wherein, the process air loop includes process air passage (20), and the process air passage includes passage section list Member,

Characterized in that,

The process air (A) in the channel part segment unit from downward direction deflecting to horizontal direction,

The channel part segment unit is the lint filter unit and/or maintenance channel unit of the equipment；And

At least a portion on the heat exchange interface surface of the process air heat exchanger (26,26a-26c, 60) or most of shape Into the outer wall section and the wall portion (60) of outer extensions for limiting the channel part segment unit.

6. equipment according to claim 5, wherein, limit the institute of the outer wall section of the process air passage (20) State the mistake that wall portion has features designed to the air-flow of process air (A) described in flow path external guidance in the cooling air (C) On the inside of journey air duct, and have features designed to guide the outside of the cooling air (C) in the process air loop-external.

7. the equipment according to claim 1,2 or 5, including base section (5), the base section (5,40) are configured to limit At least a portion of the fixed channel part segment unit and the cell channel (20a) for forming the process air loop, to hold Receive the first heat exchanger (10) and the second heat exchanger (12).

8. equipment according to claim 7, wherein, the base section (5) include being formed the cell channel (20a) and The bottom shell (40) and over body case (41) of the channel part segment unit.

9. the equipment according to claim 1,2 or 5, wherein, the channel part segment unit includes condensate collector element (62,82), the condensate collector element (62,82) be suitable to collect the process air heat exchanger (26,26a-26c, 60) condensed water of place's condensation and suitable for guiding the condensate towards condensate accumulator tank (30).

10. equipment according to claim 9, wherein, the condensate collector element (62,82) and the base of the equipment The bottom shell (40) of portion's section (5) is integrally provided.

11. the equipment according to claim 5 or 6, wherein, the process air heat exchanger is incorporated into the passage section In unit.

12. the equipment according to claim 1,2 or 5, wherein, the process air heat exchanger (26,26a-26c, 60) place or nearby it is provided with liquid wash device in the process air heat exchanger (26,26a-26c, 60), the liquid punching Cleaning device is suitable in the side contacted with the process air (A) of the process air heat exchanger (26,26a-26c, 60) Place is from the heat exchange interface surface of the process air heat exchanger (26,26a-26c, 60) or the process air heat exchanger Deposit is walked in the heat exchange interface surface washing of (26,26a-26c, 60).

13. equipment according to claim 12, wherein, the deposit is fine hair.

14. the equipment according to claim 1,2 or 5, wherein, the channel part segment unit includes maintenance channel opening, or Person's maintenance channel opening is configured to the channel part segment unit, wherein, the maintenance channel opening, which is provided, reaches the process Maintenance channel inside air duct and lid OR gate (42,42a, the 42b) covering by can be removed.

15. equipment according to claim 5, wherein, the channel part segment unit is the lint filter list of the equipment Member or filter compartment.

16. the equipment according to claim 1,2 or 5, including air blower (28,28a-28d), the air blower (28,28a- 28d) it is used to the cooling air (C) being blown to the process air heat exchanger (26,26a-26c, 60).

17. equipment according to claim 16, wherein, the air blower be arranged on the equipment filter door (42, 42a) or base portion panel (50) place.

18. the equipment according to claim 1,2 or 5, wherein, the channel part segment unit include filter door (42), every Between cover or drawer (36), and wherein, the process air heat exchanger (26,26a-26c, 60) is incorporated into the filter door (42), in the compartment cover or drawer (36).

19. the equipment according to claim 1,2 or 5, wherein, the process air heat exchanger (26,26a-26c, 60) With metallic plate or radiator.

20. equipment according to claim 19, wherein, the radiator is that heat exchanger breach or heat exchanger radiate Piece.

21. equipment according to claim 19, wherein the metallic plate is corrugated metal sheet.

22. the equipment according to claim 1,2 or 5, wherein, at least one of the process air heat exchanger (26a) Divide and set in the way of removable or be removable, or wherein, the process air heat exchanger (26,26b-26c, 60) is extremely A few part is arranged at the removable portion of the channel part segment unit.

23. equipment according to claim 22, wherein, the removable portion of the channel part segment unit for drawer or Air guide element.

24. equipment according to claim 23, wherein, the drawer is lint filter drawer.

25. the equipment according to claim 1,2 or 5, including secondary unit (34,34a-34b), the auxiliary heat are handed over Parallel operation (34,34a-34b) is connected to the refrigerant loop (6) temporarily, at least to cool down the refrigerant.

26. the equipment according to claim 1,2 or 5, including for cooling air (C) to be blown into the process air heat The air blower (28,28a-28d) of exchanger (26,26a-26c, 60), wherein, the air blower is further adapted for the cooling air Or at least a portion of the cooling air is blown to secondary unit (34,34a-34b) or is blown to the compressor (14), use To remove heat from the secondary unit (34,34a-34b) or the compressor (14).

27. equipment according to claim 5, wherein, the equipment is drying machine (2) or laundry with functions/drying Machine.