CN104905745B - Heat pump dish-washing machine and its control method - Google Patents
Heat pump dish-washing machine and its control method Download PDFInfo
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- CN104905745B CN104905745B CN201410084503.1A CN201410084503A CN104905745B CN 104905745 B CN104905745 B CN 104905745B CN 201410084503 A CN201410084503 A CN 201410084503A CN 104905745 B CN104905745 B CN 104905745B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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Abstract
The present invention provides a kind of dish-washing machine and its control method, the dish-washing machine includes the process chamber for providing dish washing space, the drying condensation device condensed to the air of process chamber and the first fan that will handle indoor air and import the drying condensation device, the dish-washing machine further includes heat pump system, the heat pump system includes the compressor for being interconnected to form refrigerant circulation loop, condenser, throttling set and evaporator, and the condenser of the heat pump system can heat the ejected wash water for entering the process chamber；The dish-washing machine further includes guiding the cooling air after the evaporator heat exchange with the heat pump system to the second fan of the drying condensation device.By heat pump when dish-washing machine of the invention heats, in drying by the cooling air of evaporator and the progress heat exchange of drying condensation device, drying course can be accelerated, and save the energy.
Description
[technical field]
The invention belongs to dish-washing machine fields, especially with regard to dish-washing machine and its control method with heat pump system.
[background technique]
Existing dish-washing machine, usually by filling the water into dish-washing machine, then passes through water pump when washing to tableware
Water is pumped into the spray tube in dish-washing machine to clean tableware.It is existing because tableware has greasy dirt to need to be cleaned using hot water
Some dish-washing machines are usually to use electrically heated mode, and electric heater is arranged on the pipeline that water is pumped into spray tube by water pump to water
It is heated.
Because needing to consume much electricity using electrically heated mode, washing the dishes using heat pump heating system is had later
Machine, this dish-washing machine include heat pump system, and wherein heat pump system includes that compressor, condenser, throttling set and evaporator are constituted
Heat exchange circulation system.Refrigerant becomes the gas of high temperature and pressure by compressor compresses later, then inputs through compressor
Condenser becomes the liquid of cryogenic high pressure, when the liquid of cryogenic high pressure is passed through evaporator by throttling set after condensation
It is gasificated into the gas of high-temperature low-pressure, the gas of high-temperature low-pressure is passed through compressor again and is recycled.The wherein refrigerant of high temperature and pressure
Gas meeting liquidation exothermic reaction when by condenser condensation heat to the water of dish-washing machine opposite using the heat of condenser release
The energy can be saved in carrying out heating using electric heater.
For existing dish-washing machine in drying, one is utilize the drying condensation cyclic system matched with heating heat pump system
System, the drying condensation circulatory system includes that the drying evaporator connecting with process chamber, refrigerated medium pump, drying condensation device and accumulation of heat are set
It is standby.Wherein drying condensation device is set in thermal storage equipment, and the evaporator in thermal storage equipment with heating heat pump system carries out hot friendship
It changes, refrigerant is pumped into drying evaporator by refrigerated medium pump, and the indoor damp-heat air of dish-washing machine processing condenses in evaporator wall
It is formed under condensation flow.This dish-washing machine, drying system are provided that drying evaporator and in addition setting storage in process chamber
Cool equipment carries out heat exchange with heating evaporation device in cold-storage apparatus by drying condensation device, since it is desired that setting refrigerated medium pump
And cold-storage apparatus is unfavorable for the miniaturization of product so that the structure of dish-washing machine becomes very huge.
[summary of the invention]
That the purpose of the present invention is to provide a kind of structures is simple, drying efficiency is high, saves the dish-washing machine of the energy.
Another object of the present invention is to provide a kind of control methods of dish-washing machine.
To achieve the aforementioned purpose, a kind of dish-washing machine of the present invention comprising provide the process chamber of dish washing space, to processing
Drying condensation device that the air of room is condensed and the first air draft for indoor air will be handled importing the drying condensation device
Device, the dish-washing machine further include heat pump system, and the heat pump system includes the pressure for being interconnected to form refrigerant circulation loop
The condenser of contracting machine, condenser, throttling set and evaporator, the heat pump system can add the ejected wash water for entering the process chamber
Heat；The dish-washing machine further include the cooling air after the evaporator heat exchange with the heat pump system is guided to it is described drying it is cold
Second air exhausting device of condenser.
According to one embodiment of present invention, the process chamber includes air outlet and air intake vent, the drying condensation device packet
Arrival end and outlet end are included, the arrival end of the drying condensation device is connected to the air outlet of the process chamber, the drying condensation
The outlet end of device is connected to the air intake vent of the process chamber, and air circulation is collectively formed in the drying condensation device and the process chamber
Circulation loop.
According to one embodiment of present invention, the process chamber includes roof and side wall, and the air outlet of the process chamber is set
It is placed in the roof of the process chamber, the air intake vent of the process chamber is set to the side wall of the process chamber, the drying condensation device
For flat cavity comprising the air part that laterally bends and from the condensation part that air part extends vertically, first air exhausting device
It is set to the end relative to air part of condensation part, the air intake vent of the drying condensation device is set to the air part, described
The air outlet of drying condensation device is set to the condensation part.
It according to one embodiment of present invention, further include the vent passages for being located at the outside of the drying condensation device, institute
Stating vent passages is hollow flat cavity, one end of the cavity is provided with air switch, in the other end of the cavity
Second air exhausting device is set, and evaporator air after cooling is imported the vent passages by second air exhausting device
And the air switch through the vent passages is guided to the drying condensation device.
According to one embodiment of present invention, it is connected with ventilation duct between second air exhausting device and the evaporator,
The cold air with after evaporator heat exchange enters second air exhausting device through second air exhausting device through the ventilation duct
Import the vent passages.
According to one embodiment of present invention, the dish-washing machine further includes the condenser side for being set to the heat pump system
Return line, heated by the condenser of the heat pump system when return line water flowing, the condensation with the heat pump system
Device carries out heat exchange.
According to one embodiment of present invention, the return line includes catch basin, the recirculated water positioned at chamber bottom
Pump and reflux line, water inlet one end of the water circulating pump and the water outlet of catch basin connect, the water outlet one of water circulating pump
End is connect through the reflux line with the water inlet of the catch basin, and the reflux line is located at the side of the heating condenser
Side.
To reach aforementioned another object, a kind of control method of foregoing dish washer of the present invention, which comprises
When cleaning, start heat pump system, the ejected wash water into process chamber adds by the heating condenser of the heat pump system
Heat；
When drying, the first air exhausting device of the drying condensation device starts, and will handle indoor air and import drying condensation
Device is dried, the second air exhausting device starting, cold to the drying by guiding with the cooling air after evaporator heat exchange
Condenser.
According to one embodiment of present invention, in drying, the compressor for controlling the heat pump system is out of service, described
Heat pump system stops working.
According to one embodiment of present invention, in drying, the heat pump system starts, the return line water flowing and institute
The heating condenser for stating heat pump system carries out heat exchange.
Compared with prior art, dish-washing machine of the invention passes through the heating condenser of heat pump system when master washes and rinses
Ejected wash water and rinse water are heated, electric energy consumed by electric heater can be saved.And when drying, pass through the second air draft
Device guides evaporator air after cooling to drying condensation device, accelerates the cold of the damp-heat air in drying condensation device
It is solidifying, entire drying course can be accelerated, improve drying efficiency, save the energy.And dish-washing machine of the invention only needs heat pump system
System and air exhausting device, do not need that heat-exchange system is additionally arranged, entire product structure is simple, takes up space smaller, is conducive to
Product design.
[Detailed description of the invention]
Fig. 1 is the structural block diagram of the dish-washing machine of one embodiment of the present of invention.
Fig. 2 is that the structure that air flows in the process chamber and drying condensation device of the dish-washing machine of one embodiment of the present of invention is shown
It is intended to.
Fig. 3 is the schematic diagram of internal structure of the drying condensation device of the process chamber of the dish-washing machine of one embodiment of the present of invention.
Fig. 4 is the flow schematic diagram for the air that the second air exhausting device of the dish-washing machine of one embodiment of the present of invention is blown.
Fig. 5 is the structural schematic diagram of the heat pump system of the dish-washing machine of one embodiment of the present of invention.
[specific embodiment]
Specific embodiments of the present invention are illustrated with reference to the accompanying drawing.
Refering to Figure 1, the structural block diagram of its one embodiment for showing dish-washing machine of the invention.As shown in fig. 1,
Dish-washing machine 1 of the invention includes the dish-washing machine process chamber 2 cleaned to tableware, and top spray arm is provided in process chamber 2
3, middle part spray arm 4 and bottom spray arm 5.A catch basin 6 is formed in the bottom of process chamber 2, is communicated with one with catch basin 6
Inlet valve 7 can inject ejected wash water into the catch basin 6 of process chamber by the inlet valve 7.What is be connected to catch basin 6 has one
Ejected wash water in catch basin 6 is pumped into aforementioned top spray arm 3, middle part spray arm 4 and bottom and sprayed by water circulating pump 8, water circulating pump 8
Drench arm 5.It is provided with an electric heater 9 on the pipeline of connection catch basin 6 and spray arm 3,4,5, electric heater 9 can be to collection
Ejected wash water in sink 6 to the pipeline 61 of spray arm 3,4,5 is heated.It is set on the pipeline of catch basin 6 to spray arm 3,4,5
It is equipped with a triple valve 62, one end of triple valve 62 is connect with pipeline 61, the piping connection of the other end and spray arm 3,4,5, then
It is connected to all the way by return line 63 with catch basin 6.Draining pump 10 there are one being connected to catch basin 6, passes through the draining pump
Dish-washing machine can be discharged in water in catch basin 6 by 10.
The side wall of dish-washing machine process chamber 2 is provided with a drying condensation device 11, is provided with exhaust vent at the top of process chamber 2
21, the side wall of process chamber is provided with air intake vent 23, the arrival end (not labeled) and dish-washing machine process chamber 2 of the drying condensation device 11
Air outlet 21 be connected to, the outlet end (not labeled) of drying condensation device is connected to the air intake vent 23 of process chamber, the drying condensation
The circulation loop of air circulation is collectively formed in device 11 and the process chamber 2, and the air in process chamber 2 passes through going out at the top of process chamber
Air port 21 enters drying condensation device 11, flows back to process chamber 2 by air intake vent 23 after then condensing in drying condensation device 11, is drying
The outlet end of dry condenser 11 is provided with first air exhausting device 12, which can will be in condenser 11
Cold air is blown into process chamber 2.The air exhausting device is fan in this embodiment, and the air exhausting device can also be in other embodiments
It is air blower, exhaust fan or other devices that air can be driven to flow.In the illustrated embodiment, first fan 12
It is the outlet end that drying condensation device 11 is set, in other embodiments, first fan 12 may also set up in any position,
Such as be arranged in process chamber 2, as long as guaranteeing the air in process chamber 2 being blown into drying condensation device 11.
The outside of drying condensation device 11 is provided with shell 13, forms vent passages between shell 13 and drying condensation device 12
14, the lower end of vent passages 14 is provided with second air exhausting device 15.Likewise, second air exhausting device can be wind
Fan, air blower, exhaust fan or other devices that air can be driven to flow.The air intake vent of vent passages 15 is provided with an air door
Switch 16, when which opens, air can enter vent passages 14 and drying condensation device 11 carries out heat exchange.
The motor spindle that washes the dishes of the invention is provided with heat pump system, and the heat pump system includes being interconnected to form refrigerant to follow
Compressor 17, heating condenser 18, throttling set 19 and the evaporator 20 of loop back path.The heating condenser of the heat pump system
18 are arranged on the pipeline 61 of connection catch basin 6 and spray arm 3,4,5.The setting of evaporator 20 of the heat pump system is aforementioned logical
At the air intake vent in wind channel 14.
In the aforementioned embodiment, the catch basin 6, water circulating pump 8, pipeline 61, triple valve 62 and 63 groups of return line
It can be heated by the heating condenser of heat pump system at a water-flow circuit, and form heat exchange with heating condenser.At this
Water-flow circuit described in embodiment and circulating pump, in other embodiments can also be single to the pipeline common pall 61 of spray arm
The circulation loop is solely set, such as can be the water of catch basin and be directly over reflux line after circulating pump pumps out and flow back to and catchment
Slot.
Dish-washing machine of the invention include prewashing, it is main wash, pre-rinsing, rinsing, drying procedure.
The prewashing stage is formed by intaking, recycling water spray and draining, and inlet valve 7 is opened when water inlet, and outside, which is supplied water, passes through water inlet
Valve 7 enters catch basin 6, is then shut off inlet valve 7 and opens water circulating pump 8, water circulating pump 8 absorbs the ejected wash water in catch basin and increasing
Ejected wash water is pumped into spray tube arm 3,4,5 by pressure, is washed away tableware surface by the high pressure water flow that spray arm 3,4,5 sprays, is washed meal
The water of tool is back to catch basin 6, is then pumped into spray arm 3,4,5 through water circulating pump 8 again, such repetitive cycling work one section when
Between, water circulating pump 8 is out of service.Then draining pump 10 is opened, dish-washing machine, prewashing stage knot is discharged in the sewage in catch basin 6
Beam.
It is washed the stage into master after prewashing, it is main to wash the stage and be made of water inlet, ejected wash water heating, circulation water spray and draining.Into
Inlet valve 7 is opened when water, outside, which is supplied water, enters catch basin 6 by inlet valve 7, is then shut off inlet valve 7 and starts heat pump system, heat
The compressor 17 of pumping system is opened, and refrigerant is compressed into the gas of high temperature and pressure in compressor 17, and then refrigerant is from pressure
Condenser 18 is expelled in contracting machine 17, the gas of high temperature and pressure is liquefied as the liquid of cryogenic high pressure in condenser 18, and low temperature is high
The liquid of pressure is controlled by throttling set 19, is spurted into evaporator 20 and is formed the gas of low-pressure low-temperature, then in evaporator 20
The gas of low-pressure low-temperature enter in compressor 17 and compressed again, such circular flow.Because the gas of high temperature and pressure exists
To the environment heat release around condenser 18 when becoming the liquid of cryogenic high pressure in condenser 18, therefore flow through the pipeline of condenser 18
Interior water is heated.It furthermore, can also benefit when needing from catch basin 6 to electric heater 9 is additionally provided on the pipeline of spray arm 3,4,5
It is heated again with ejected wash water of the electric heater 9 to catch basin 6 to spray arm 3,4,5.
It is washed the stage in master, the first fan 12 of 11 air outlet of drying condensation device is closing, and the second of vent passages 14
Fan 15 is open, while the air door switch 16 at 14 air intake vent of vent passages is closed.Refrigerant evaporation in evaporator 20
Heat absorption can accelerate the heat exchange of evaporator 20 Yu ambient enviroment by blowing for the second fan 15, and air door switch 16 closes
It closes, heat water-spraying's cleaning of dish-washing machine process chamber 2 can be impacted to avoid the cold air of the evaporator 20 in cleaning.
Water circulating pump 8 starts while heat pump system starting, and water circulating pump 8 absorbs water out of catch basin 6, and ejected wash water is passing through
It is heated, is then heated again by electric heater 9, the ejected wash water after being heated is pumped to when crossing the condenser 18 of heat pump system
Spray arm 3,4,5 cleans tableware into the ejection of spray arm 3,4,5 is crossed, and the water after cleaning flows back into catch basin 6 and is again introduced into
Water circulating pump 8 completes a circulation.When temperature inside process chamber 2 reaches setting value, stop the compressor of heat pump system
17, it is simultaneously stopped the second fan 15, stops electric heater 9.The stage running time is by heat pump performance and external supply water temperature shadow
It rings, heat pump performance is higher, and runing time is shorter；External supply water temperature is higher, and runing time is shorter.When water circulating pump runs one section
Between cleaning complete it is then out of service.Then draining pump 10 is opened, dish-washing machine is discharged in the sewage in catch basin 6, it is main to wash stage knot
Beam.
Main wash into is rinsed later, is first carried out pre-rinsing to tableware before rinsing, is rinsed out residual on tableware
The ejected wash water stayed.When pre-rinsing, inlet valve 7 is opened, rinse water enters water circulating pump 8 by inlet valve 7, and water circulating pump 8 will float
Wash water is pumped into spray arm 3,4,5 and washes away tableware surface, and the water after pre-rinsing flows into catch basin 6, then opens draining pump 10, directly
Dish-washing machine is discharged, pre-rinsing stage water does not repeat to spray, and heat pump system is also in closed state.
Carry out rinse stage after pre-rinsing, when rinsing opens inlet valve 7, and rinse water enters catch basin by inlet valve 7
6, while heat pump system starts, and starts the second fan 15, air door switch 16 is closed.Start water circulating pump 8, water circulating pump 8 will float
The condenser 18 that wash water is drawn through heat pump system from catch basin 6 is heated, while being added again by electric heater 9
Heat, the rinse water being heated enter spray arm 3,4,5 and are sprayed out for washing away tableware surface, and the rinse water of flushed tableware returns
Catch basin 6 is flowed to, water circulating pump 8 is again introduced into, completes a circulation.So circulation certain time, until water temperature is heated to
Preset value stops heat pump system, stops the second fan 15 and stops electric heater 9.Rinsing after a certain period of time, opens draining pump
10, the water after rinsing is discharged, rinsing terminates.
Enter drying stage after having rinsed, after rinsing, the air in process chamber 2 is the air of high temperature and humidity,
The first fan 12 of drying condensation device 11 is opened at this time, and the gas of the high temperature and humidity in process chamber 2 is passed through place by the first fan 12
The ventilation hole 21 at 2 top of reason room is blown into drying condensation device 11, and the air of high temperature and humidity is cold with drying in drying condensation device 11
Air in vent passages 14 outside condenser 11 carries out heat exchange, and the moisture in the air of high temperature and humidity is in drying condensation device 11
Condensation, cooled air are again sucked into process chamber 2 by the first fan 12 at 11 air outlet of drying condensation device, are passed through
Cooling air, again by the waste-heat of tableware, is humidified, again as high temperature and humidity in process chamber 2 by the water on tableware
Air, the first fan 12 continue for the gas of the high temperature and humidity in process chamber 2 to be blown into drying condensation device 11, form circulation.Into
When row drying, the air door switch 16 at the air intake vent of vent passages 14 is opened, after the second fan 15 absorbs heat evaporator 20
In cold air suction ventilation channel 14, hot friendship is carried out with the air of the high temperature high fever in drying condensation device 11 in vent passages 14
It changes, accelerates drying course.Heat pump system is to be in halted state, but the evaporator 20 of heat pump system is still in low temperature shape at this time
State, therefore be still air more lower than the air themperature of room temperature by the air that the second fan 15 is blown into vent passages 14, it can
To accelerate the air in condensation drying condensation device 11, accelerates the process entirely dried, save the energy.For more accelerate drying into
Journey can also also start heat pump system in drying, and inlet valve 7 is opened at this time, and outside, which is supplied water, enters catch basin by inlet valve 7
6, it then absorbs water by water circulating pump 8, water flows through heating condenser 18 by pipeline 61 and is heated then by return line 62
It flows back to catch basin 6 to be discharged by draining pump 10, such evaporator 20 is constantly in heat absorption state, and the second fan 15 is blown into vent passages
14 air more ensures it is cold air, convenient for the heat exchange of drying condensation device 11.
Shown in please refer to figs. 2 and 3, the structural schematic diagram of a specific embodiment of dish-washing machine of the invention is shown,
The schematic diagram that drying stage air flows between drying condensation device 11 and process chamber 2 is additionally shown in figure.
As shown in Fig. 2, the process chamber 2 of dish-washing machine of the invention is the rectangular cavities of one side opening comprising roof 20, a left side
Side wall (not labeled), right side wall 22, rear wall (not labeled) and bottom wall (not labeled) are formed with one in the roof 20 of process chamber 2
Ventilation hole 21 is formed with a ventilation hole 23 in the right side wall 22 of process chamber 2.It is dish-washing machine in the one side that process chamber 2 is open
Tableware can be put into process chamber by door (not shown), the door for opening dish-washing machine.
Incorporated by reference to shown in Fig. 2 and Fig. 3, the drying condensation being connected to process chamber 2 is provided in the side of dish-washing machine process chamber 2
Device 11, the drying condensation device 11 are flat cavity comprising the air part 111 laterally bent at top hangs down with air part 111
Straight vertical condensation part 112 and the first fan of flat-disk shape 12 positioned at 112 lower end of condensation part.In drying condensation device 11
The lower surface of air part 111 be formed with the air intake vent of a connection corresponding with the ventilation hole 21 on 2 roof 20 of process chamber and (do not scheme
Show), a company corresponding with the ventilation hole 23 on 2 right side wall 22 of process chamber is formed on the condensation part of drying condensation device 11 112
Logical air outlet 113.Curved S type condensation runner is formed inside the condensation part 112 of drying condensation device 11, drying condensation device 11
The first fan of flat-disk shape 15 is connected to the S type condensation channel of condensation part 112.By the condensation part of drying condensation device 11 112
Side is formed with the vent passages 14 for the cooling air flowing of evaporator 20, the first wind of flat-disk shape with drying condensation device 11
Fan 12 is set side by side with the second fan of flat-disk type 15, and the second fan 15 is connected to the vent passages 14, in vent passages
14 upper end is each side formed with an air switch 16.One end of second fan 15 is connected to the ventilation for being passed through air
Pipe 151.
As shown in figure 3, the damp-heat air in process chamber 2 passes through drying condensation device 11 from the ventilation hole 21 of process chamber roof 20
Air intake vent enter in the cavity of drying condensation device 11, in drying condensation device 11 with around drying condensation device 11 environment carry out
Heat exchange, damp and hot air condense in drying condensation device 11, on the condensation part of cooled air drying condenser 11
Outlet end 113 enters process chamber 2 by the ventilation hole 23 on process chamber right side wall 22.
It please refers to shown in Fig. 4, shows the dish-washing machine of the embodiment shown in Fig. 3 sky cooling in drying stage evaporator 20
The structural schematic diagram that vent passages 14 of the gas outside drying condensation device 11 flow.As shown in figure 4, the process of the second fan 15 blowout
The cooling air of evaporator 20 is blown out from the air switch 16 at left and right sides of 14 end of vent passages, and the cold air is along drying condensation
112 two sides of condensation part of device 11 move upwards, and carry out heat exchange with the damp-heat air inside drying condensation device 11, accelerate drying cold
Damp-heat air condensation in condenser.
It please refers to shown in Fig. 5, shows the structural schematic diagram of the chamber bottom of dish-washing machine of the invention.As shown in figure 5,
Dish-washing machine chamber bottom of the invention includes catch basin 6 and water circulating pump 8 and heat pump system.The catch basin 6 is a circle
Shape funnel-form chamber, water circulating pump 8 are connected to catch basin 6.The heat pump system of dish-washing machine of the invention includes being interconnected to form
Compressor 17, heating condenser 18, throttling set 19 and the evaporator 20 of refrigerant circulation loop.It compresses in this embodiment
Machine 17 is an annular compressor, and heating condenser 18 is the trumpet cooler for being bent into the annular of stacking, and throttling set 19 is
Expansion valve, the evaporator 20 are micro-channel heat exchanger.The lower end fan of drying condensation device 11 is only shown in this illustration
Schematic diagram, as shown in the figure, the first fan 12 of drying condensation device 11 are collar plate shape fan, are set side by side with the first fan 12 of drying
It is equipped with the second fan 15, is communicated with a ventilation duct 151 with the side wall of the second fan 15, the evaporator 20 of heat pump system is set to
In the ventilation duct 151.
Dish-washing machine be in it is main wash the stage when, the external heat release of heating condenser 18 of heat pump system, can to catch basin 6 to
The pipeline of spray arm 3,4,5 is heated, and the air switch 16 of 14 end of vent passages is closed at this time, and the second fan 15 blows logical
The air after cooling of evaporator 20 in air hose 151 accelerates the heat exchange of evaporator 20.In drying stage, heat pump system stops at this time
It only works, but evaporator 20, still in low temperature, the air switch 16 of 14 end of vent passages is opened, the second fan 15 is by evaporator
20 air after cooling are blown to along 112 movement outside of the condensation part of drying condensation device 11, during the motion from air switch 16
Heat exchange is carried out with the damp-heat air in the condensation part 112 of drying condensation device 11, accelerates damp-heat air in drying condensation device 11
Condensation.
In embodiment shown in Fig. 2 to Fig. 5, it is to share one that the vent passages 14, which are with the drying condensation device 11,
The integral structure of cavity wall, the cooling air that vent passages 14 are blown out are moved along 11 lateral wall of drying condensation device.It is specific real at other
It applies in example, is also possible to that drying condensation device 11 is directly coated on to interior structure using vent passages 14 shown in FIG. 1, as long as full
The cooling air of evaporator can be blown to drying condensation device by foot, accelerated the condensation of drying condensation device, no longer lifted in detail herein
Example explanation.
Dish-washing machine of the invention, it is main wash and rinse when, by the heating condenser 18 of heat pump system to ejected wash water and
Rinse water is heated, and electric energy consumed by electric heater can be saved.And when drying, by the second fan 15 by evaporator 20
Air after cooling is blown to 11 outside of drying condensation device, accelerates the condensation of the damp-heat air in drying condensation device 11, can accelerate
Entire drying course improves drying efficiency, saves the energy.And dish-washing machine of the invention only needs heat pump system and fan i.e.
Can, it does not need that heat-exchange system is additionally arranged, entire product structure is simple, takes up space smaller, is conducive to product design.
It should be understood that above embodiments are merely to illustrate the present invention and not limit technical side described in the invention
Case, although this specification is referring to the above embodiments, the present invention has been described in detail, the common skill of this field
Art personnel should be appreciated that person of ordinary skill in the field still can modify or equivalently replace the present invention, and
All do not depart from the technical solution and its improvement of the spirit and scope of the present invention, should all cover in scope of the presently claimed invention
It is interior.
Claims (10)
1. a kind of dish-washing machine comprising the process chamber for providing dish washing space, the drying condensed to the air of process chamber
Condenser and the first air exhausting device for indoor air will be handled importing the drying condensation device, it is characterised in that: described to wash
Bowl machine further include heat pump system, the heat pump system include the compressor for being interconnected to form refrigerant circulation loop, heating it is cold
The heating condenser of condenser, throttling set and evaporator, the heat pump system can heat the ejected wash water for entering the process chamber；
The dish-washing machine further includes guiding the cooling air after the evaporator heat exchange with the heat pump system to the drying condensation
Second air exhausting device of device, first air exhausting device are set side by side with second air exhausting device.
2. dish-washing machine as described in claim 1, it is characterised in that: the process chamber includes air outlet and air intake vent, the baking
Dry condenser includes arrival end and outlet end, and the arrival end of the drying condensation device is connected to the air outlet of the process chamber, institute
The outlet end for stating drying condensation device is connected to the air intake vent of the process chamber, the drying condensation device and the common shape of the process chamber
At air circulation circulation loop.
3. dish-washing machine as claimed in claim 2, it is characterised in that: the process chamber includes roof and side wall, the process chamber
Air outlet be set to the roof of the process chamber, the air intake vent of the process chamber is set to the side wall of the process chamber, described
Drying condensation device is flat cavity comprising the air part that laterally bends and from the condensation part that air part extends vertically, described the
One air exhausting device is set to the end relative to air part of condensation part, the air intake vent of the drying condensation device be set to it is described enter
The air outlet in wind portion, the drying condensation device is set to the condensation part.
4. dish-washing machine as claimed in claim 1 or 3, it is characterised in that: it further includes positioned at the outside of the drying condensation device
Vent passages, the vent passages be hollow flat cavity, one end of the cavity is provided with air switch, described
Second air exhausting device is arranged in the other end of cavity, and second air exhausting device imports evaporator air after cooling
Vent passages and air switch through the vent passages is guided to the drying condensation device.
5. dish-washing machine as claimed in claim 4, it is characterised in that: connected between second air exhausting device and the evaporator
There is ventilation duct, the cold air with after evaporator heat exchange enters second air exhausting device through described second through the ventilation duct
Air exhausting device imports the vent passages.
6. dish-washing machine as described in claim 1, it is characterised in that: the dish-washing machine further includes being set to the heat pump system
The return line for heating condenser side is heated by the heating condenser of the heat pump system when return line water flowing, with
The heating condenser of the heat pump system carries out heat exchange.
7. dish-washing machine as claimed in claim 6, it is characterised in that: the return line includes catchmenting positioned at chamber bottom
Slot, water circulating pump and reflux line, water inlet one end of the water circulating pump and the water outlet of catch basin connect, water circulating pump
Water outlet one end is connect through the reflux line with the water inlet of the catch basin, and the reflux line is located at heating condensation
The side of device.
8. a kind of control method of such as described in any item dish-washing machines of claim 1-7, which comprises
When cleaning, start heat pump system, the ejected wash water into process chamber is heated by the heating condenser of the heat pump system；
When drying, the first air exhausting device of the drying condensation device starts, will handle indoor air import drying condensation device into
Row drying, the second air exhausting device starting, will guide with the cooling air after evaporator heat exchange to the drying condensation device.
9. the control method of dish-washing machine as claimed in claim 8, it is characterised in that: in drying, control the heat pump system
Compressor it is out of service, the heat pump system stops working.
10. the control method of dish-washing machine as claimed in claim 8, it is characterised in that: the dish-washing machine further includes being set to institute
The return line for stating the heating condenser side of heat pump system, in drying, the heat pump system starting, the return line leads to
The heating condenser of water and the heat pump system carries out heat exchange.
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| CN104905745B true CN104905745B (en) | 2019-07-23 |
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