CN110055730A - A kind of heat pump clothes dryer and control method - Google Patents
A kind of heat pump clothes dryer and control method Download PDFInfo
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- CN110055730A CN110055730A CN201810049106.9A CN201810049106A CN110055730A CN 110055730 A CN110055730 A CN 110055730A CN 201810049106 A CN201810049106 A CN 201810049106A CN 110055730 A CN110055730 A CN 110055730A
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- 238000000034 method Methods 0.000 title claims description 18
- 238000001816 cooling Methods 0.000 claims abstract description 70
- 238000010438 heat treatment Methods 0.000 claims abstract description 51
- 238000009833 condensation Methods 0.000 claims abstract description 29
- 230000005494 condensation Effects 0.000 claims abstract description 29
- 238000001035 drying Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims description 46
- 239000002826 coolant Substances 0.000 claims description 34
- 230000008676 import Effects 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- 239000013589 supplement Substances 0.000 claims description 4
- 238000010025 steaming Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000011144 upstream manufacturing Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000007812 deficiency Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/32—Control of operations performed in domestic laundry dryers
- D06F58/34—Control of operations performed in domestic laundry dryers characterised by the purpose or target of the control
- D06F58/48—Control of the energy consumption
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/28—Air properties
- D06F2103/32—Temperature
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/28—Air properties
- D06F2103/34—Humidity
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/26—Heat pumps
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/28—Electric heating
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/24—Condensing arrangements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/26—Heating arrangements, e.g. gas heating equipment
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/32—Control of operations performed in domestic laundry dryers
- D06F58/34—Control of operations performed in domestic laundry dryers characterised by the purpose or target of the control
- D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
- D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target humidity
-
- 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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of heat pump clothes dryers, including circulation air path and heat pump system, heat pump system includes the compressor being sequentially communicated, condenser, throttling set and evaporator, at least evaporator and condenser are located in circulation air path, auxiliary cooling device is additionally provided in the circulation air path, the auxiliary cooling device is located at least in the side of evaporator, assists condensation cycle gas.Heat pump clothes dryer of the invention has auxiliary cooling device, can accelerate the moisture in condensation cycle wind, is conducive to accelerate heating rate；Further, also there is assisted heating device, drying efficiency can be further increased under lower energy consumption.
Description
Technical field
The invention belongs to dryer fields, specifically, being related to a kind of heat pump clothes dryer and control method.
Background technique
The working principle of existing heat pump clothes dryer are as follows: the evaporator end of heat pump system absorbs the heat of surrounding, is condensing
Device end distributes heat.Fan driving air circulation flows through evaporator, condenser and Drying, and air is cooled in evaporator end,
Moisture is precipitated, becomes dry and cold air, dry and cold air flows through condenser end and is heated, and becomes xeothermic air, xeothermic sky
Gas enters in drying cylinder, and the moisture for taking away clothing becomes damp and hot air, and damp and hot air flows through evaporator again, is cooled and is precipitated
Moisture forms circulating air duct, heat recycling.
Currently, because heat pump clothes dryer compares traditional electrical heating type dryer and is significantly improved in energy consumption, heat pump is dry
More power saving when clothing machine works, low temperature drying damage clothing also smaller.But due to being limited by the more of compressor capacity itself
It is few, influence the working efficiency of drying system evaporator and condenser.Evaporator is unable to the moisture in total condensation damp-heat air, and one
Aspect influences its heat to condenser supply, on the other hand also makes not enough to dry by the air of condenser, need preferably
Heat is heated, and the temperature rising of circulated air is slower, and the water in clothing cannot quickly be converted into vapor, increase simultaneously
The time for drying clothing, it is not able to satisfy the requirement that user needs flash baking.If can be improved the air by condenser
Degree of drying can also accelerate the rate of heat addition to a certain extent, improve drying efficiency.
In view of this present invention is specifically proposed.
Summary of the invention
The technical problem to be solved in the present invention is that overcoming the deficiencies of the prior art and provide a kind of heat pump clothes dryer and control
Method.Heat pump clothes dryer of the invention has auxiliary cooling device, can accelerate the moisture in condensation cycle wind, be conducive to accelerate
Heating rate；Further, also there is assisted heating device, drying effect can be further increased under lower energy consumption
Rate.
In order to solve the above technical problems, the present invention is using the basic conception of technical solution:
The first object of the present invention is to provide a kind of heat pump clothes dryer, including circulation air path and heat pump system, heat pump system
Including compressor, condenser, throttling set and the evaporator being sequentially communicated, at least evaporator and condenser is located at circulation air path
It is interior, auxiliary cooling device is additionally provided in the circulation air path, the auxiliary cooling device is located at least in the side of evaporator,
Assist condensation cycle gas.
The auxiliary cooling device includes the first passage passed through for cooling medium and for recyclegas in circulation air path
The second channel of process when recyclegas passes through second channel, carries out heat exchange, circulating air with the cooling medium in first passage
Moisture in body is condensed；
Preferably, the central axis upright of the first passage and circulation air path be arranged, the second channel with follow
The centerline axis parallel in ring air duct is arranged.
Further embodiment is equipped with cooling medium import for the first passage that cooling medium passes through and cooling medium goes out
Mouthful, cooling medium import enters pipeline with cooling medium and is connected to, and condensing medium outlet is connected to cooling medium discharge line.
Further embodiment is additionally provided with the first humidity detector and/or the inspection of the first temperature in the circulation air path
Device is surveyed, first humidity detector and/or the first temperature-detecting device are arranged between evaporator and condenser, inspection
Survey the humidity and/or temperature on rear side of evaporator；Or the two sides of evaporator are set, the humidity on front side of detection evaporator with rear side
And/or temperature.
Further embodiment is additionally provided with assisted heating device, the assisted heating device position in the circulation air path
Front side and/or rear side in condenser assist the recyclegas in heat cycles air duct；
Preferably, the assisted heating device includes gas-operated thermal bath facility and/or electric heater unit.
Further embodiment is additionally provided with second temperature detection device and/or the inspection of the second humidity in the circulation air path
Device is surveyed, along the flow direction of circulated air, the second temperature detection device and/or the setting of the second humidity detector exist
The temperature and/or humidity on rear side of condenser is detected in the downstream of condenser；Or the two sides of condenser are set, detect condenser
The temperature and/or humidity of front side and rear side.
Further embodiment further includes control device, the auxiliary cooling device, assisted heating device respectively with control
Device connection, first temperature-detecting device and/or the first humidity detector, second temperature detection device and/or the
Two humidity detectors are connect with control device respectively.
The second object of the present invention is to provide a kind of control method of heat pump clothes dryer according to above scheme, heat pump
When dryer executes drying procedure, heat pump system works, the recyclegas in evaporator condensation circulation air path；In certain time
Interior, when the humidity and/or temperature of the recyclegas after the condensation of evaporator are higher than preset value, auxiliary cooling device starts
Work assists condensation cycle gas；
Alternatively, heat pump clothes dryer executes flash baking program, the flash baking program includes: heat pump system, auxiliary
Cooling device and/or assisted heating device start simultaneously at work.
Further embodiment, control device are detected according to the first humidity detector and/or the first temperature-detecting device
Humidity and/or temperature value or variation difference, control auxiliary cooling device start to work；
Preferably, in certain time, control device judges that the value for the humidity that the first humidity detector detects is greater than
When the variation difference of preset value or humidity is less than preset value, control auxiliary cooling device is started to work.
Further embodiment, control device are detected according to second temperature detection device and/or the second humidity detector
Temperature and/or humidity value or difference, control assisted heating device start to work；
Preferably, in certain time, it is default that control device judges that the temperature that second temperature detection device detects is less than
When the difference of value or temperature is less than preset value, control assisted heating device is started to work.
After adopting the above technical scheme, compared with the prior art, the invention has the following beneficial effects:
1, heat pump clothes dryer of the invention has auxiliary cooling device, works, can accelerate in evaporator condensation deficiency
Moisture in condensation cycle wind is conducive to accelerate cooling rate, is also beneficial to accelerate the rate of heat addition of downstream condenser；
2, heat pump clothes dryer of the invention further also has assisted heating device, the work in condenser underheat
Make, drying efficiency can be further increased under lower energy consumption.
3, auxiliary cooling device of the invention and assisted heating device can independent control, can work at the same time, jointly
The drying efficiency of dryer is improved, flash baking mode is formed；It can also work independently, be respectively cooperating with heat pump system, it can either
Energy consumption is reduced, and can be improved drying efficiency simultaneously, meets user demand, the heat pump clothes-drying being especially suitable under low temperature environment
Machine.
A specific embodiment of the invention is described in further detail with reference to the accompanying drawing.
Detailed description of the invention
Attached drawing is as a part of the invention, and for providing further understanding of the invention, of the invention is schematic
Examples and descriptions thereof are used to explain the present invention, but does not constitute an undue limitation on the present invention.Obviously, the accompanying drawings in the following description
Only some embodiments to those skilled in the art without creative efforts, can be with
Other accompanying drawings can also be obtained according to these attached drawings.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of heat pump clothes dryer of the invention.
In figure: 1 roller, 2 circulation air paths, 21 primary air separating ducts, after 22 air duct, 3 compressors, 4 condensers, 5 throttling sets, and 6 steam
Hair device, 7 auxiliary cooling devices, 8 assisted heating devices, 9 fans, 10 belts, 11 motors, 12 cooling mediums enter pipeline, and 13 is cold
Solidifying medium discharge channel, 14 taps, 15 first humidity detectors, 16 second temperature detection devices.
It should be noted that these attached drawings and verbal description are not intended to the design model limiting the invention in any way
It encloses, but illustrates idea of the invention by referring to specific embodiments for those skilled in the art.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in embodiment is clearly and completely described, the following examples are intended to illustrate the invention, but
It is not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that term " on ", "front", "rear", "left", "right", " is erected at "lower"
Directly ", the orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment one
As shown in Figure 1, the present embodiment provides a kind of heat pump clothes dryer, including circulation air path 2 and heat pump system, heat pump system
Including compressor 3, condenser 4, throttling set 5 and the evaporator 6 being sequentially communicated, at least evaporator 6 and condenser 4 is located at and follows
In ring air duct 2, auxiliary cooling device 7 is additionally provided in the circulation air path 2, the auxiliary cooling device 7 is located at least in steaming
The side of device 6 is sent out, condensation cycle gas is assisted.
Heat pump clothes dryer includes shell and roller 1, and roller 1 is the space for accommodating processed clothing, is located in shell.Rolling
Cylinder 1 is connected to circulation air path 2, and the recyclegas in circulation air path 2, which enters in roller 1, carries out heat exchange with clothing to reach drying
The purpose of clothing.Compressor 3, condenser 4, throttling set 5 and the evaporator 6 of heat pump system pass sequentially through copper pipe connection, supply
Media flow in it.
The component of heat pump system can be all located in circulation air path 2, can also be partially located in circulation air path 2, at least cold
Condenser 4 and evaporator 6 are located in circulation air path 2.Condenser 4 is the heating element in dryer circulation air path 2, is mentioned for circulated air
Heating load；Evaporator 6: the vapor in circulated air is condensed into water by the refrigeration part in dryer circulating air duct.Compressor 3
It is the power supply unit of refrigerant circulation work for compression refrigerant.
The preceding wind that circulation air path 2 includes the rear air duct 22 being connected to the air inlet of roller 1, is connected to the exhaust outlet of roller 1
Road 21.Condenser 4 is close to rear 22 side of air duct, and evaporator 6 is close to 21 side of primary air separating duct.Fan 9 is additionally provided in circulation air path 2,
Wind for circulation air path 2 provides power, and the downstream of condenser 4 is arranged in, and the xeothermic control after condenser 4 is heated is discharged to roller
In 1.Belt 10 is provided with outside roller 1, motor 11 drives roller 1 to rotate by belt 10, the clothing rolling in roller 1；Together
When fan 9 hot dry wind be discharged in roller 1 dry clothing.
In the present solution, being also provided with auxiliary cooling device 7 in circulation air path 2.The auxiliary cooling device 7 is for evaporating
When 6 condensing capacity deficiency of device, starts work in order to accelerate the moisture in condensation cycle wind, improve cooling efficiency；Also have simultaneously
Conducive to the heating rate for the evaporator 6 for accelerating downstream.
Along the direction that recyclegas flows, auxiliary cooling device 7 can be set in the upstream of evaporator 6, can also set
It sets downstream, can also all be arranged in upstream and downstream, to achieve the effect that preferably to condense.
Auxiliary cooling device 7 can be any element that can play the water vapor acting in condensation cycle wind, such as can
Think various heat exchangers, or common condensate component.The specific structure and mounting means of auxiliary cooling device 7 can roots
Specifically it is arranged according to the type of dryer, the specification of circulation air path 2, as long as the work of water vapour in auxiliary condensation cycle wind can be played
With.
As a kind of specific scheme, the auxiliary cooling device 7 include the first passage that passes through for cooling medium and
For the second channel that recyclegas in circulation air path 2 passes through, when recyclegas passes through second channel, with the condensation in first passage
Medium carries out heat exchange, and the moisture in recyclegas is condensed.
Cooling medium described in this programme be can generate heat exchange, temperature be lower than damp-heat air medium；Such as
It can be tap water, can be water at low temperature, be also possible to air.First passage and second channel can be equipped with it is multiple, between the two
Every setting, increase the heat exchange area of recyclegas, improves condensation efficiency.
More specific scheme, auxiliary cooling device 7 can be surface cooler, the first passage passed through for cooling medium
Between form second channel, that is, recyclegas carries out heat exchange by the outer surface of first passage.It so, it is possible reducing
Reach good condensation effect under the premise of the space for occupying circulation air path 2.
The central axis upright of preferred scheme, the first passage and circulation air path 2 is arranged, the second channel
It is arranged with the centerline axis parallel of circulation air path 2.
The central axis upright of the first passage and its circulation air path 2 being located at that pass through for cooling medium is arranged, can be with
Increase heat exchange area；The centerline axis parallel of second channel and circulation air path 2 is arranged, and both ends penetrate through, and such circulated air can be with
The unimpeded second channel into auxiliary cooling device 7 is condensed again, will not influence the flow direction of circulated air, will not be produced
Raw turning, dead angle not only guarantee safety, but also the realization heat exchange condensation of energy maximal efficiency.
Further embodiment is equipped with cooling medium import for the first passage that cooling medium passes through and cooling medium goes out
Mouthful, cooling medium import enters pipeline 12 with cooling medium and is connected to, and condensing medium outlet is connected to cooling medium discharge line 13.
For example, it then can be the water inlet pipe connecting with tap 14 that cooling medium, which enters pipeline 12, when cooling medium is water,
Cooling medium discharge line 13 then can be drainpipe.Water enters first passage from water inlet pipe, with the circulating air in second channel
Body is discharged after carrying out heat exchange from drainpipe, forms the pipeline of cooling medium, completes condensation process.
Alternatively, cooling medium enters pipeline 12, cooling medium discharge line 13 can be connect with cooling device respectively, formed
Cooling medium circulation line.In cooling device, then cooling medium cooling enters pipeline 12 by cooling medium and enters auxiliary
The first passage of cooling device 7 carries out heat exchange heating, then returns cooling device, in this way, can recycle, saves cold
Solidifying medium.
The front or rear portion of evaporator 6 is arranged in the auxiliary cooling device 7, is used for 6 condensing capacity of evaporator not
The vapor in condensation cycle wind is assisted when sufficient.
Further embodiment is also set up in the circulation air path 2 to realize the automatic control of auxiliary cooling device 7
There are the first humidity detector 15 and/or the first temperature-detecting device, first humidity detector 15 and/or the first temperature
It spends detection device to be arranged between evaporator 6 and condenser 4, the humidity and/or temperature of 6 rear side of detection evaporator；Or setting
In the two sides of evaporator 6, the humidity and/or temperature of 6 front side and rear side of evaporator are detected.
In addition, further include control device, the auxiliary cooling device 7, the first temperature-detecting device and/or the first humidity
Detection device 15 is connect with control device respectively.
It is condensed after evaporator 6 from the damp and hot recyclegas being discharged in roller 1, humidity can reduce, accordingly
Temperature can also reduce.In order to judge whether evaporator 6 can be fully cooled recyclegas, can be detected using humidity detector
Gas humidity after cooling also can detecte gas temperature after cooling, or be examined simultaneously using humidity detector and temperature
Device is surveyed to reach more accurate judgement.In addition to detecting the humidity of gas after cooling and/or the value of temperature as judgement mark
Standard can also be judged by calculating the difference of cooling preceding and humidity after cooling and/or temperature, increase the accurate of judgement
Property.
In the present solution, humidity detector can be humidity sensor, temperature-detecting device can be temperature sensor.
In addition, the present embodiment also provides a kind of control method of heat pump clothes dryer, when heat pump clothes dryer executes drying procedure,
Heat pump system works, the recyclegas in 6 condensation cycle air duct 2 of evaporator；Within a certain period of time, the condensation through evaporator 6 is made
When the humidity and/or temperature of recyclegas after are higher than preset value, auxiliary cooling device 7 is started to work, and assists condensation cycle
Gas.
Further embodiment, specifically:
S1, heat pump clothes dryer execute drying program, heat pump system work, 6 cooling cycle gas of evaporator；
S2, when certain time is arrived in work, control device is filled according to the first humidity detector 15 and/or the first temperature detection
The value or variation difference for setting the humidity and/or temperature that detect judge whether that controlling auxiliary cooling device 7 starts to work.
Specifically, the concrete scheme of step S2 includes but is not limited to following several:
Scheme 1-1: the first humidity detector 15, first humidity detector 15 are provided in circulation air path 2
It is arranged between evaporator 6 and condenser 4, the humidity of 6 rear side of detection evaporator.It works in certain time, if the humidity of detection
Value be higher than preset value, control device judge that evaporator 6 cooling capacity is insufficient, then controls auxiliary cooling device 7 and start to work.This
Scheme setting is simple, is easy to carry out.
Scheme 1-2: the upstream and downstream of evaporator 6 is respectively provided with first humidity detector 15, before detecting evaporator 6
The humidity of side and rear side.In certain time, control device judges the inspection of upstream humidity detector and downstream humidity detector
If the variation difference of the humidity of survey is lower than preset value, control device judges that 6 cooling capacity of evaporator is insufficient, then controls supplement heat rejecter
Device 7 is started to work.The accuracy rate of this programme detection is higher.
Scheme 2-1: the first temperature-detecting device, the first temperature-detecting device setting are provided in circulation air path 2
Between evaporator 6 and condenser 4, the temperature of 6 rear side of detection evaporator.In certain time, if the value of the temperature of detection is higher than
Preset value, control device judge that 6 cooling capacity of evaporator is insufficient, then control the start-up operation of auxiliary cooling device 7.
Scheme 2-2: the upstream and downstream of evaporator 6 is respectively provided with first temperature-detecting device, 6 front side of detection evaporator
With the temperature of rear side.In certain time, control device judges the detection of upstream temperature detection device and downstream temperature detection device
If the variation difference of temperature be lower than preset value, control device judge that evaporator 6 cooling capacity is insufficient, then controls supplement heat rejecter and fill
Set 7 start-up operations.
The downstream of scheme 3, evaporator 6 is equipped with the first humidity detector 15 and the first temperature-detecting device, detects simultaneously
Temperature and humidity downstream.It works in certain time, if the value of the humidity of detection is higher than preset value or temperature value is higher than in advance
If value, control device judges that 6 cooling capacity of evaporator is insufficient, then controls the start-up operation of auxiliary cooling device 7.
Preferred scheme, in certain time, control device judges the humidity that the first humidity detector 15 detects
When value is greater than the variation difference of preset value or humidity less than preset value, control auxiliary cooling device 7 is started to work.
Further scheme, along the flow direction of circulated air, the downstream of evaporator 6 is arranged in auxiliary cooling device 7,
First humidity detector 15 and/or the first temperature-detecting device are arranged between evaporator 6 and auxiliary cooling device 7.
The control method of the heat pump clothes dryer of the program the following steps are included:
S1, heat pump clothes dryer execute drying program, heat pump system work, 6 cooling cycle gas of evaporator；
S2, when certain time is arrived in work, if control device judges that the value of the humidity in 6 downstream of evaporator is greater than preset value, or
The variation difference of the humidity of 6 upstream and downstream of person's evaporator is less than preset value, then enters step S3；Otherwise S5 is entered step；
S3, auxiliary cooling device 7 start, and carry out auxiliary condensation；
S4 stops when the value of control device humidity is less than or equal to preset value or variation difference is more than or equal to preset value
Auxiliary cooling device 7；
S5, the evaporator 6 of heat pump system continues cooling cycle gas, and repeats step S2-S4, until clothes drying process knot
Beam.
Embodiment two
As shown in Figure 1, the present embodiment is the further restriction of embodiment one, in order to improve the rate of heat addition, this implementation
Assisted heating device 8 is additionally provided in circulation air path 2, the assisted heating device 8 is located at front side and/or the rear side of condenser 4,
Assist the recyclegas in heat cycles air duct 2.
The assisted heating device 8 of the present embodiment can be set in the upstream of condenser 4, or be arranged under condenser 4
Trip, can also all be arranged in upstream and downstream, can accelerate the heating speed of circulated air, the circulation being lifted into roller 1
The temperature of wind improves drying efficiency, saves the time, promotes user experience.
The assisted heating device 8 of this programme may include gas-operated thermal bath facility and/or electric heater unit or other energy
Enough generate the device of heat recyclegas.Assisted heating device 8 can work in the heating efficiency deficiency of condenser 4,
Accelerate heating speed, plays the effect of flash baking clothing.
Further embodiment is additionally provided with second temperature detection device 16 and/or the second humidity in the circulation air path 2
Detection device, along the flow direction of circulated air, the second temperature detection device 16 and/or the second humidity detector are set
Set the temperature and/or humidity that 4 rear side of condenser is detected in the downstream of condenser 4；
Or the two sides of condenser 4 are set, the temperature and/or humidity of detection condenser 4 front side and rear side.
In addition, the assisted heating device 8, second temperature detection device 16 and/or the second humidity detector difference
It is connect with control device.
In circulation air path 2, become dry and cold air by evaporator 6, the condensed recyclegas of auxiliary cooling device 7,
Temperature is low, in the roller 1 for sending dryer back to again after the heating of condenser 4 becomes hot dry wind, dries clothing.In the present solution, excellent
Choosing also can detecte the gas humidity after heating using the gas temperature after the temperature-detecting device detection heating of condenser 4, or
Use humidity detector and temperature-detecting device simultaneously to reach more accurate judgement.
In the present solution, temperature-detecting device can be temperature sensor, humidity detector can be humidity sensor.
In addition, the present embodiment further includes the control method of heat pump dryer, comprising: control device is detected according to second temperature
The value or difference for the temperature and/or humidity that device 16 and/or the second humidity detector detect control assisted heating device
8 start to work；
Preferably, in certain time, it is pre- that control device judges that the temperature that second temperature detection device 16 detects is less than
If the difference of value or temperature is less than preset value, control assisted heating device 8 is started to work.
Further, control method specifically includes:
S1, heat pump clothes dryer execute drying program, heat pump system work；
S2, when certain time is arrived in work, control device is filled according to second temperature detection device 16 and/or the second Humidity Detection
The value or variation difference for setting the temperature and/or humidity detected judge whether that controlling assisted heating device 8 starts to work.
Specifically, the preferred embodiment of step S2 includes but is not limited to following several:
Scheme 1: being provided with second temperature detection device 16 in circulation air path 2, is mounted on the downstream of condenser 4.Heat
Pump dryer work after a certain period of time, if the value of the temperature of detection is lower than preset value, control device judges 4 heating efficiency of condenser
Deficiency then controls the start-up operation of assisted heating device 8.This programme setting is simple, is easy to carry out.
Scheme 2: the upstream and downstream of evaporator 6 is respectively provided with a second temperature detection device 16,4 front side of detection condenser
With the temperature of rear side.In certain time, control device judges the detection of upstream temperature detection device and downstream temperature detection device
If the variation difference of temperature be lower than preset value, control device judge that condenser 4 heating efficiency is insufficient, then controls auxiliary heating and fill
Set 8 start-up operations.The accuracy rate of this programme detection is higher.
The downstream of scheme 3, evaporator 6 is equipped with second temperature detection device 16 and the second humidity detector, detects simultaneously
Temperature and humidity downstream.It works in certain time, if the value of the humidity of detection is higher than preset value or temperature value lower than pre-
If value, control device judges that 4 heating efficiency of condenser is insufficient, then controls the start-up operation of assisted heating device 8.
Auxiliary cooling device 7 and assisted heating device 8 can be used as the supplement of heat pump system, device 6 or condenser 4 to be evaporated
Function deficiency when start, work；Work can also be started simultaneously at heat pump system, just be assisted by, it can be significantly
Accelerate drying efficiency, the method that can be used as flash baking.
Flash baking program can be set on heat pump clothes dryer in another scheme, under the program, assisted heating device 8
It is worked at the same time with heat pump system, control method includes:
S1, heat pump clothes dryer are started to work, and user selects flash baking mode；
S2, control device control heat pump system, assisted heating device 8 start simultaneously at work, after a certain period of time, complete
Flash baking program.
Further embodiment, assisted heating device 8, auxiliary cooling device 7 and heat pump system work at the same time, control method packet
It includes:
S1, heat pump clothes dryer are started to work, and user selects flash baking mode；
S2, control device control heat pump system, assisted heating device 8, auxiliary cooling device 7 start simultaneously at work, carry out
After a certain period of time, flash baking program is completed.
The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this patent
Member without departing from the scope of the present invention, when the technology contents using above-mentioned prompt make it is a little change or be modified to
The equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, it is right according to the technical essence of the invention
Any simple modification, equivalent change and modification made by above embodiments, in the range of still falling within the present invention program.
Claims (10)
1. a kind of heat pump clothes dryer, including circulation air path and heat pump system, heat pump system includes the compressor being sequentially communicated, condensation
Device, throttling set and evaporator, at least evaporator and condenser are located in circulation air path, which is characterized in that the circulation
Auxiliary cooling device is additionally provided in air duct, the auxiliary cooling device is located at least in the side of evaporator, assists condensation cycle
Gas.
2. a kind of heat pump clothes dryer according to claim 1, which is characterized in that the auxiliary cooling device includes cooling supply
The first passage that solidifying medium passes through and the second channel passed through for recyclegas in circulation air path, recyclegas pass through second channel
When, heat exchange is carried out with the cooling medium in first passage, the moisture in recyclegas is condensed；
Preferably, the central axis upright of the first passage and circulation air path is arranged, the second channel and circulated air
The centerline axis parallel in road is arranged.
3. a kind of heat pump clothes dryer according to claim 2, which is characterized in that on the first passage passed through for cooling medium
Equipped with cooling medium import and condensing medium outlet, cooling medium import enters pipeline with cooling medium and is connected to, and cooling medium goes out
Mouth is connected to cooling medium discharge line.
4. a kind of heat pump clothes dryer according to claim 1 to 3, which is characterized in that also set in the circulation air path
It is equipped with the first humidity detector and/or the first temperature-detecting device, first humidity detector and/or the first temperature
Detection device is arranged between evaporator and condenser, detects humidity and/or temperature on rear side of evaporator；Or setting is being evaporated
The two sides of device, the humidity and/or temperature of detection evaporator front side and rear side.
5. a kind of heat pump clothes dryer according to claim 1 to 4, which is characterized in that also set in the circulation air path
There is assisted heating device, the assisted heating device is located at front side and/or the rear side of condenser, assists in heat cycles air duct
Recyclegas；
Preferably, the assisted heating device includes gas-operated thermal bath facility and/or electric heater unit.
6. a kind of heat pump clothes dryer according to claim 5, which is characterized in that be additionally provided in the circulation air path
Two temperature-detecting devices and/or the second humidity detector, along the flow direction of circulated air, the second temperature detects dress
It sets and/or the downstream of condenser is arranged in the second humidity detector, detect the temperature and/or humidity on rear side of condenser；Or
The two sides of condenser, the temperature and/or humidity of detection condenser front side and rear side are set.
7. a kind of heat pump clothes dryer according to claim 6, which is characterized in that it further include control device, the auxiliary
Cooling device, assisted heating device are connect with control device respectively, first temperature-detecting device and/or the inspection of the first humidity
Device, second temperature detection device and/or the second humidity detector is surveyed to connect with control device respectively.
8. a kind of control method of -7 any heat pump clothes dryers according to claim 1, which is characterized in that heat pump clothes dryer
When executing drying procedure, heat pump system works, the recyclegas in evaporator condensation circulation air path；Within a certain period of time, through steaming
When the humidity and/or temperature of recyclegas after sending out the condensation of device are higher than preset value, auxiliary cooling device is started to work, auxiliary
Help condensation cycle gas；
Alternatively, heat pump clothes dryer executes flash baking program, the flash baking program includes: heat pump system, supplement heat rejecter
Device and/or assisted heating device start simultaneously at work.
9. the control method of heat pump clothes dryer according to claim 8, which is characterized in that control device is according to the first humidity
The value or variation difference, control auxiliary of humidity and/or temperature that detection device and/or the first temperature-detecting device detect are cold
But device is started to work；
Preferably, in certain time, it is default that control device judges that the value for the humidity that the first humidity detector detects is greater than
When the variation difference of value or humidity is less than preset value, control auxiliary cooling device is started to work.
10. the control method of heat pump clothes dryer according to claim 8 or claim 9, which is characterized in that control device is according to second
The value or difference for the temperature and/or humidity that temperature-detecting device and/or the second humidity detector detect, control auxiliary add
Thermal is started to work；
Preferably, in certain time, control device judges that the temperature that second temperature detection device detects is less than preset value, or
When the difference of person's temperature is less than preset value, control assisted heating device is started to work.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810049106.9A CN110055730B (en) | 2018-01-18 | 2018-01-18 | Heat pump clothes dryer and control method |
| PCT/CN2018/124200 WO2019141056A1 (en) | 2018-01-18 | 2018-12-27 | Heat pump dryer and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810049106.9A CN110055730B (en) | 2018-01-18 | 2018-01-18 | Heat pump clothes dryer and control method |
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| CN110055730A true CN110055730A (en) | 2019-07-26 |
| CN110055730B CN110055730B (en) | 2022-01-04 |
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| WO (1) | WO2019141056A1 (en) |
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| CN113584801A (en) * | 2021-09-02 | 2021-11-02 | 宁波奥达智能家居有限公司 | Temperature control device of heat exchanger |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110055730B (en) | 2022-01-04 |
| WO2019141056A1 (en) | 2019-07-25 |
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