CN105350272B - A kind of dryer and its drying control method using Far-infrared Heating - Google Patents

A kind of dryer and its drying control method using Far-infrared Heating Download PDF

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Publication number
CN105350272B
CN105350272B CN201410408773.3A CN201410408773A CN105350272B CN 105350272 B CN105350272 B CN 105350272B CN 201410408773 A CN201410408773 A CN 201410408773A CN 105350272 B CN105350272 B CN 105350272B
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China
Prior art keywords
far
temperature
controller
infrared
dryer
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CN201410408773.3A
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CN105350272A (en
Inventor
姚龙平
朱冬冬
曲华延
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Qingdao Haier Washing Machine Co Ltd
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Qingdao Haier Washing Machine Co Ltd
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Priority to CN201410408773.3A priority Critical patent/CN105350272B/en
Priority to EP14900175.2A priority patent/EP3184690B1/en
Priority to KR1020177007411A priority patent/KR20170042767A/en
Priority to US15/503,489 priority patent/US20170241067A1/en
Priority to JP2017510585A priority patent/JP2017525480A/en
Priority to PCT/CN2014/091312 priority patent/WO2016026227A1/en
Publication of CN105350272A publication Critical patent/CN105350272A/en
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00Domestic laundry dryers
    • D06F58/20General details of domestic laundry dryers 
    • D06F58/26Heating arrangements, e.g. gas heating equipment
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02Characteristics of laundry or load
    • D06F2103/08Humidity
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02Characteristics of laundry or load
    • D06F2103/12Temperature
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/28Air properties
    • D06F2103/32Temperature
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/28Air properties
    • D06F2103/34Humidity
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/52Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to electric heating means, e.g. temperature or voltage
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/64Radiation, e.g. microwaves
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/28Electric heating
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/08Control circuits or arrangements thereof
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00Domestic laundry dryers
    • D06F58/32Control of operations performed in domestic laundry dryers 
    • D06F58/34Control of operations performed in domestic laundry dryers  characterised by the purpose or target of the control
    • D06F58/36Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F58/38Control 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

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

The present invention relates to dryer fields, and in particular to a kind of dryer and its drying control method using Far-infrared Heating.Dryer using Far-infrared Heating includes drying roller, it further include at least one far-infrared heater, for detecting the humidity sensor of drying roller exhaust steam moisture, the controller that relay and output end are connected with the relay, all far-infrared heaters are connected to power supply by the relay, one the first temperature sensor is installed inside one of them described far-infrared heater, first temperature sensor and the humidity sensor are connected with the input terminal of the controller, temperature signal or moisture signal control the folding of the relay to the controller based on the received.The above control system simplifies circuit, also saves cost.

Description

A kind of dryer and its drying control method using Far-infrared Heating
Technical field
The present invention relates to dryer fields, and in particular to a kind of dryer and its drying controlling party using Far-infrared Heating Method.
Background technique
In the prior art, some dryers or washing-drying integral machine dry clothing using far infrared heating technology, have Body, far-infrared heater is set on the drying roller of dryer or washing-drying integral machine or on the outside of drying roller, far infrared adds Hot device can issue far infrared, and far infrared has by moisture absorption without the energy response that is absorbed by air, so remote red Outside line is irradiated to the moisture absorption inside drying roller in heating object body, is translates directly into thermal energy for the water in heating object body Divide and is transformed into vapor discharge.
But existing dryer or washing-drying integral machine use far infrared heating technology, generally by setting in PCB A relay on (Printed Circuit Board) printed circuit board controls the on-off of one group of far-infrared heater, In Each far-infrared heater is nearby respectively mounted a temperature controller to prevent far-infrared heater temperature excessively high, and in drying roller One temperature sensor of interior setting is not exceeded to control temperature within the barrel.So using existing Far-infrared Heating control mode, often Piece far-infrared heater requires one relay of configuration and temperature controller is controlled, entire dryer or washing-drying integral machine domestic demand Multiple groups relay and temperature controller be set, and route is cumbersome and cost of idleness.
Far-infrared heater uses TCM material, and TCM (Tin Ceramic Membrane) is that function ceramics compound electro-thermal is new Material can be made into low, the efficient far-infrared element of medium temperature its main feature is that electric energy, which is converted into thermal energy, is then converted to far infrared, generate Long wave far infrared abundant is the high-tech new product of pioneering electric heating field, energy conservation, forefront, and the thermal efficiency is up to 92%, than normal Heating element economize on electricity 20%-30% is advised, complies fully with environmental requirement as clean energy resource.It is being done when by far-infrared heater use When carrying out clothes drying on clothing machine or washing-drying integral machine, since the power density of far-infrared heater is relatively low, need bigger The heating surface (area) (HS of piece, the existing general monolithic power of far-infrared heater are between 200-400W, with common 5kg dryer Example, at least needs 3-6 piece far-infrared heater.If every far-infrared heater is all using existing computer heating control mode Need to configure a relay and temperature controller, that is, 3-6 group relay and temperature controller, route is cumbersome and cost of idleness.
It is existing in the prior art to solve there is an urgent need for a kind of new far infrared drying control system based on above description The problem of control system route is cumbersome and cost of idleness.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of dryer using Far-infrared Heating, which is only needed It configures a relay and a temperature controller is monitored all far-infrared heaters, simplify circuit, also save Cost.
It is another object of the present invention to provide a kind of laundry drier control method using Far-infrared Heating, this method is answered In the above-mentioned dryer using Far-infrared Heating, control method is simple, easy to operate.
The embodiment of the present invention uses following technical scheme:
A kind of dryer using Far-infrared Heating, including drying roller further include at least one far-infrared heater, use In the controller that humidity sensor, relay and the output end of detection drying roller exhaust steam moisture are connected with the relay, institute There is far-infrared heater to connect to power supply by the relay, is equipped with one inside one of them described far-infrared heater First temperature sensor, first temperature sensor and the humidity sensor are connected with the input terminal of the controller, institute Stating controller, temperature signal or moisture signal control the folding of the relay based on the received.
Preferably, further including at least one second temperature sensor for detecting temperature in the drying roller, institute Second temperature sensor is stated to be connected with the input terminal of the controller.
Preferably, the second temperature sensor is arranged at the dryer air outlet.
Preferably, the humidity sensor is set at the air outlet of the dryer.
Preferably, the air inlet of the washing machine is provided with blower, the power of the blower is 10 watts to 20 watts;Institute Blower is stated to be connected with the controller.
Preferably, being provided with mounting hole on the drying roller, the far-infrared heater is mounted on the mounting hole In to be heated to drying drums inside.
Preferably, the drying roller is equipped at least one set of hole array, hole array described in every group is by multiple hole groups At the outside of the hole array is arranged in the far-infrared heater, can be in the drying roller by the hole array It is heated in portion.
A kind of laundry drier control method using Far-infrared Heating, applied to described in first item using Far-infrared Heating Dryer, comprising steps of
S11, the temperature in the first temperature sensor detection far-infrared heater simultaneously pass to controller in the form of a signal, Humidity sensor detects the humidity of gas in drying roller and passes to controller in the form of a signal simultaneously;
The humidity value received is compared by S12, controller with default humidity value, when humidity value is greater than default humidity value When, execute step S14;When humidity value is less than or equal to default humidity value, step S13 is executed;
S13, controller control relay are in an off state;
S14, controller are by the temperature and preset upper limit temperature Tmax1 and pre-determined lower limit in the far-infrared heater received Temperature Tmin1 is compared, and when the temperature in far-infrared heater is greater than preset upper limit temperature Tmax1, executes step S13; When the temperature in far-infrared heater is less than pre-determined lower limit temperature Tmin1, step S15 is executed;
S15, controller control relay are in closed state.
A kind of laundry drier control method using Far-infrared Heating, applied to described in Section 2 using Far-infrared Heating Dryer, comprising steps of
S21, the temperature in the first temperature sensor detection far-infrared heater simultaneously pass to controller in the form of a signal, Humidity sensor detects the humidity of gas in drying roller and passes to controller in the form of a signal, while second temperature senses Device detects the temperature in drying roller and passes to controller in the form of a signal;
The humidity value received is compared by S22, controller with default humidity value, when humidity value is greater than default humidity value When, execute step S24;When humidity value is less than or equal to default humidity value, step S23 is executed;
S23, controller control relay are in an off state;
S24, controller are by the temperature and preset upper limit temperature Tmax1 and pre-determined lower limit in the far-infrared heater received Temperature Tmin1 is compared, and by the drying roller received temperature and preset upper limit temperature Tmax2 and pre-determined lower limit temperature Degree Tmin2 is compared, when the temperature in far-infrared heater is greater than preset upper limit temperature Tmax1, the temperature in drying roller When at least meeting one of them greater than preset upper limit temperature Tmax2, step S23 is executed;When the temperature in far-infrared heater is small When the temperature in pre-determined lower limit temperature Tmin1, drying roller is less than pre-determined lower limit temperature Tmin2 and at least meets one of them, Execute step S25;
S25, controller control relay are in closed state.
The advantageous effects for the technical solution that the embodiment of the present invention proposes are: since all far-infrared heaters pass through one A relay connects to power supply, i.e., the folding of all relays, one of far-infrared heater are controlled by a relay Inside is equipped with first temperature sensor, and the first temperature sensor and the humidity for detecting drying roller exhaust steam moisture pass Sensor is connected with controller, controller based on the received temperature signal or moisture signal control relay folding.So above-mentioned Control system simplifies circuit, also saves cost.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, institute in being described below to the embodiment of the present invention Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention Example, for those of ordinary skill in the art, without creative efforts, can also implement according to the present invention The content of example and these attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram for the far infrared drying control system that apparatus of the present invention embodiment provides;
Fig. 2 is the drying control method flow chart that embodiment of the present invention method provides;
Fig. 3 is a kind of preferred embodiment flow chart of drying control method that embodiment of the present invention method provides.
In figure:
1, far-infrared heater;2, controller;3, relay;4, power supply;5, the first temperature sensor;6, humidity sensor Device;7, second temperature sensor;8, blower.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below It will the technical scheme of the embodiment of the invention will be described in further detail in conjunction with attached drawing, it is clear that described embodiment is only It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
Installation practice
Far-infrared heater provided by the present application can not only have been applied in washing-drying integral machine but also can have been applied on dryer, with Under be introduced by taking dryer as an example.Dryer includes cabinet and far infrared drying control system, the far infrared drying control System processed includes drying roller, and the drying roller is rotatably set to the box house.Fig. 1 is that apparatus of the present invention are implemented The structural schematic diagram for the far infrared drying control system that example provides.As shown in Figure 1, the far infrared drying control system further includes At least one far-infrared heater 1, the humidity sensor 6 for detecting drying roller exhaust steam moisture, relay 3 and output end with The connected controller 2 of the relay 3, the controller 2 are connected with power supply 4, and all far-infrared heaters 1 pass through described in one Relay 3 is connect with power supply 4, and first temperature sensor 5, institute are equipped with inside one of them described far-infrared heater 1 It states the first temperature sensor 5 and the humidity sensor 6 to be connected with the input terminal of the controller 2, the controller 2 is according to connecing The temperature signal or moisture signal of receipts control the folding of the relay 3.
When work, the first temperature sensor 5 detects the temperature in the far-infrared heater in far-infrared heater 1 and with letter Number form pass to controller 2, while humidity sensor 6 detects the humidity of drying roller gas be discharged and the shape with signal Formula passes to controller 2.
Controller 2 by the far-infrared heater received temperature and preset upper limit temperature Tmax1 and pre-determined lower limit temperature Degree Tmin1 is compared, and when the temperature in far-infrared heater is greater than preset upper limit temperature Tmax1, control relay 3 is disconnected It opens;When the temperature in far-infrared heater is less than pre-determined lower limit temperature Tmin1, control relay 3 is closed;Controller 2 simultaneously The humidity value received is compared with default humidity value, when humidity value is less than default humidity value, control relay 3 is disconnected It opens, and terminates drying course.
Since far-infrared heater 1 itself has temperature limiting characteristic (according to TCM membrane system different temperatures difference, generally 200-400 degree) and high consistency, this control system no longer use mechanical thermostat, and only on a piece of far-infrared heater 1 One the first temperature sensor 5 of installation is for detecting and controlling temperature.Specifically, first temperature sensor 5 is installed on institute State 1 inside of far-infrared heater.The electric current of far-infrared heater 1 has the characteristic incrementally increased, no longer uses multiple relays 3 It controls respectively, and only controls all far-infrared heaters 1 with a relay 3.In this way, this system is only with first temperature Sensor 5 and a relay 3 just control all far-infrared heaters 1, simplify circuit, also save cost.
In this present embodiment, the far-infrared heater 1 not only may be mounted on the drying roller but also may be mounted at Between the drying roller and cabinet.When the far-infrared heater 1 is mounted on the drying roller, the drying roller On be provided with mounting hole, the far-infrared heater 1 is mounted in the mounting hole to heat to drying drums inside.
In this present embodiment, as another preferred embodiment, when the far-infrared heater 1 is mounted on the drying roller and case When between body, the drying roller is equipped at least one set of hole array, and hole array described in every group is made of multiple holes, described remote The outside of hole array is arranged in infrared heater 1, can be internally heated to the drying roller by the hole array.
Far-infrared heater normal working temperature is 600 as used in clothes dryer systems in the prior art DEG C, 1000 DEG C can be reached under abnormal conditions, so it is especially important to the control of temperature, in addition to it is above-mentioned refer to far infrared Heater carries out being additionally provided with temperature sensor in drying roller, this temperature sensor is used except temperature detection and protection Detect temperature in drying roller, prevent in drying roller that temperature is excessively high to lead to laundry damage, this requires complete machine be equipped with it is higher The blower of power, to make temperature within the barrel uniform as far as possible, wind speed is slightly lower, and air duct slightly blocks, it is possible to safety problem occurs.
In this control system, due to being heated using far-infrared heater 1 to clothing, far-infrared heater 1 itself Temperature is locked, such as not more than 200 DEG C of 200 membrane system temperature, then automatically powers off more than the temperature.Along with it is to clothing Heating not instead of by air medium, the moisture of clothes is directly heated by the far-infrared radiation issued.These two aspects It ensure that the safety used first, so the temperature sensor being arranged in drying roller in traditional clothes dryer systems is just no longer So important, the accuracy of temperature detection also eliminates the reliance on wind speed in drying roller.However, such as the clothing dried of needs Fruit is made into using clothes relatively high to temperature requirement such as chemical fibre, wools, then is equally compared the temperature requirement in drying roller It is higher.
Therefore, in this present embodiment, preferably, the dryer is additionally provided at least one second temperature sensing Device 7, the second temperature sensor 7 are connected with the input terminal of the controller 2, for detecting temperature and biography in drying roller Pass controller 2, controller 2 is by the temperature and preset upper limit temperature Tmax2 and pre-determined lower limit temperature in the drying roller received Degree Tmin2 is compared, and when the temperature in drying roller is greater than preset upper limit temperature Tmax2, control relay 3 is disconnected;When When temperature in drying roller is less than pre-determined lower limit temperature Tmin2, control relay 3 is closed.
In this present embodiment, preferably, the second temperature sensor 7 is arranged in the dryer air outlet Place.
In this present embodiment, the quantity of the second temperature sensor 7 is at least one.When second temperature sensor 7 When quantity is multiple, after the temperature in drying roller that all second temperature sensors 7 will test passes to controller 2, control Temperature in all drying rollers received is averaged by device 2 processed, later using the average value and preset upper limit temperature Tmax2 and pre-determined lower limit temperature Tmin2 are compared.
In this present embodiment, preferably, the air inlet of the dryer is provided with blower 8, the blower 8 Power is 10 watts to 20 watts, and the blower 8 is connected with the controller 2, and the rotation of blower 8 is controlled by controller 2.Due to this control System processed avoids the dependence to wind speed, it is prevented that the use of high-power blower, it is only necessary to lesser blower into Row auxiliary hydrofuge can, so the noise of this dryer will be very low.
In this present embodiment, due to using low power blower in this control system, hot and humid gas can be to dryer top Air outlet aggregation, therefore, preferably, the humidity sensor 6 is placed at the air outlet of dryer, so as to more acurrate Measurement humidity.
In this present embodiment, preferably, the controller 2 is made into PCB integrated circuit board.
Embodiment of the method
Present invention also provides a kind of laundry drier control method using Far-infrared Heating, which is applied to The first temperature sensor 5 and humidity sensor 6 is arranged inside, the use far infrared without second temperature sensor 7 is arranged The dryer of heating.Fig. 2 is the drying control method flow chart that embodiment of the present invention method provides.As shown in Fig. 2, control method Comprising steps of
After S11, drying course start, the first temperature sensor 5 is detected in the far-infrared heater in far-infrared heater 1 Temperature and pass to controller 2 in the form of a signal, while humidity sensor 6 detect drying roller in gas humidity and with The form of signal passes to controller 2.
The humidity value received is compared by S12, controller 2 with default humidity value, when humidity value is less than or equal to preset When humidity value, then show that the clothing in drying roller has been oven-dried, executes step S13;When humidity value is greater than default humidity value When, execute step S14.
S13, controller 2 judge whether relay 3 is in an off state, if being not on off-state, control relay Device 3 is in an off state, and terminates entire drying course.
S14, controller 3 are set by the temperature and preset upper limit temperature Tmax1 in the far-infrared heater received and in advance Limit temperature Tmin1 is compared, and when the temperature in far-infrared heater is greater than preset upper limit temperature Tmax1, executes step S13;When the temperature in far-infrared heater is less than pre-determined lower limit temperature Tmin1, step S15 is executed;Work as far-infrared heater When interior temperature is less than or equal to preset upper limit temperature Tmax1 and is more than or equal to pre-determined lower limit temperature Tmin1, then controller 2 is not done It reacts out.
Whether S15, controller 2 judge relay 3 in closed state, if relay 3 is not closed, controller 2 is controlled Relay 3 processed is closed, and far-infrared heater 1 re-emits infrared ray.
In this present embodiment, the value range of the preset upper limit temperature Tmax1 is preferably 190 DEG C to 210 DEG C, but not Be confined to this, can as the case may be depending on.The value range of the pre-determined lower limit temperature Tmin1 is preferably 140 DEG C to 160 DEG C, however, it is not limited to this, can as the case may be depending on.
Present invention also provides another laundry drier control method for using Far-infrared Heating, which is applied to it It is inside provided with the first temperature sensor 5 and humidity sensor 6, while the use that second temperature sensor 7 is provided in roller is remote The dryer of infrared heating.Fig. 3 is a kind of preferred embodiment flow chart of drying control method that embodiment of the present invention method provides.Such as Shown in Fig. 3, control method comprising steps of
After S21, drying course start, the first temperature sensor 5 is detected in the far-infrared heater in far-infrared heater 1 Temperature and pass to controller 2 in the form of a signal, humidity sensor 5 detect drying roller in gas humidity and with signal Form pass to controller 2, while second temperature sensor 7 detects the temperature in drying roller and transmits in the form of a signal To controller 2.
The humidity value received is compared by S22, controller 2 with default humidity value, when humidity value is greater than default humidity When value, step S24 is executed;When humidity value is less than or equal to default humidity value, then show that the clothing in drying roller is dried It is dry, execute step S23.
S23, controller 2 judge whether relay 3 is in an off state, if being not on off-state, control relay Device 3 is in an off state, and terminates entire drying course.
S24, controller 2 are set by the temperature and preset upper limit temperature Tmax1 in the far-infrared heater received and in advance Limit temperature Tmin1 be compared, and by the drying roller received temperature and preset upper limit temperature Tmax2 and pre-determined lower limit Temperature Tmin2 is compared, when the temperature in far-infrared heater is greater than preset upper limit temperature Tmax1, the temperature in drying roller When degree at least meets one of them greater than preset upper limit temperature Tmax2, then show that the temperature and/or far infrared in drying roller add Temperature in hot device 1 is excessively high, burns out clothing and/or far-infrared heater 1 in order to prevent, executes step S23;Work as Far-infrared Heating Temperature in device is less than pre-determined lower limit temperature Tmin1, and the temperature in drying roller is less than pre-determined lower limit temperature Tmin2 and at least meets One of them when, then show that the temperature in drying roller and/or the temperature in far-infrared heater 1 are too low, execute step S25; Otherwise, controller 2 is not made a response.
S25, controller 2 judge whether relay 3 is in closed state and controls relay if being not on closed state Device 3 is closed, and far-infrared heater 1 re-emits infrared ray to be continued to heat to the clothing in drying roller.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation, It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.

Claims (9)

1. a kind of dryer using Far-infrared Heating, including drying roller, which is characterized in that further include at least one far infrared What heater, the humidity sensor for detecting drying roller exhaust steam moisture, relay and output end were connected with the relay Controller, all far-infrared heaters are connected to power supply by the relay, inside one of them described far-infrared heater One the first temperature sensor, the input of first temperature sensor and the humidity sensor and the controller are installed End is connected, and temperature signal or moisture signal control the folding of the relay to the controller based on the received;
First temperature sensor detects the temperature in the far-infrared heater and passes to the control in the form of a signal Device processed, the humidity sensor detect the humidity of the drying roller gas be discharged and pass to the control in the form of a signal Device processed;
The controller by the far-infrared heater received temperature and preset upper limit temperature Tmax1 and pre-determined lower limit Temperature Tmin1 is compared, when the temperature in the far-infrared heater is greater than preset upper limit temperature Tmax1, described in control Relay disconnects;When the temperature in the far-infrared heater is less than pre-determined lower limit temperature Tmin1, controls the relay and close It closes;The humidity value received is compared by the controller with default humidity value, when humidity value is less than default humidity value, control It makes the relay to disconnect, and terminates drying course.
2. using the dryer of Far-infrared Heating as described in claim 1, which is characterized in that further include described dry for detecting At least one second temperature sensor of temperature in clothing roller, the input terminal phase of the second temperature sensor and the controller Even.
3. using the dryer of Far-infrared Heating as claimed in claim 2, which is characterized in that the second temperature sensor is set It sets at the dryer air outlet.
4. using the dryer of Far-infrared Heating as described in claim 1, which is characterized in that the humidity sensor is set to At the air outlet of the dryer.
5. using the dryer of Far-infrared Heating as described in claim 1, which is characterized in that the air inlet of the dryer It is provided with blower, the power of the blower is 10 watts to 20 watts;The blower is connected with the controller.
6. using the dryer of Far-infrared Heating as described in claim 1, which is characterized in that be provided on the drying roller Mounting hole, the far-infrared heater are mounted in the mounting hole to heat to drying drums inside.
7. using the dryer of Far-infrared Heating as described in claim 1, which is characterized in that the drying roller is equipped with extremely Few one group of hole array, hole array described in every group are made of multiple holes, and the hole array is arranged in the far-infrared heater Outside can be internally heated the drying roller by the hole array.
8. a kind of laundry drier control method using Far-infrared Heating is applied to described in claim 1 using Far-infrared Heating Dryer, which is characterized in that comprising steps of
S11, the temperature in the first temperature sensor detection far-infrared heater simultaneously pass to controller in the form of a signal, simultaneously Humidity sensor detects the humidity of gas in drying roller and passes to controller in the form of a signal;
The humidity value received is compared by S12, controller with default humidity value, when humidity value is greater than default humidity value, Execute step S14;When humidity value is less than or equal to default humidity value, step S13 is executed;
S13, controller control relay are in an off state;
S14, controller are by the temperature and preset upper limit temperature Tmax1 and pre-determined lower limit temperature in the far-infrared heater received Tmin1 is compared, and when the temperature in far-infrared heater is greater than preset upper limit temperature Tmax1, executes step S13;When remote When temperature in infrared heater is less than pre-determined lower limit temperature Tmin1, step S15 is executed;
S15, controller control relay are in closed state.
9. a kind of laundry drier control method using Far-infrared Heating is applied to as claimed in claim 2 using Far-infrared Heating Dryer, which is characterized in that comprising steps of
S21, the temperature in the first temperature sensor detection far-infrared heater simultaneously pass to controller, humidity in the form of a signal Sensor detects the humidity of gas in drying roller and passes to controller in the form of a signal, while second temperature sensor is examined Survey drying roller in temperature and pass to controller in the form of a signal;
The humidity value received is compared by S22, controller with default humidity value, when humidity value is greater than default humidity value, Execute step S24;When humidity value is less than or equal to default humidity value, step S23 is executed;
S23, controller control relay are in an off state;
S24, controller are by the temperature and preset upper limit temperature Tmax1 and pre-determined lower limit temperature in the far-infrared heater received Tmin1 is compared, and by the drying roller received temperature and preset upper limit temperature Tmax2 and pre-determined lower limit temperature Tmin2 is compared, and when the temperature in far-infrared heater is greater than preset upper limit temperature Tmax1, the temperature in drying roller is big When preset upper limit temperature Tmax2 at least meets one of them, step S23 is executed;When the temperature in far-infrared heater is less than When pre-determined lower limit temperature Tmin1, the temperature in drying roller are less than pre-determined lower limit temperature Tmin2 and one of at least meet, hold Row step S25;
S25, controller control relay are in closed state.
CN201410408773.3A 2014-08-19 2014-08-19 A kind of dryer and its drying control method using Far-infrared Heating Active CN105350272B (en)

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EP14900175.2A EP3184690B1 (en) 2014-08-19 2014-11-17 Far-infrared heating clothes drying machine and controlling means for drying clothes thereof
KR1020177007411A KR20170042767A (en) 2014-08-19 2014-11-17 Far-infrared heating clothes drying machine and controlling means for drying clothes thereof
US15/503,489 US20170241067A1 (en) 2014-08-19 2014-11-17 Clothes dryer using far-infrared heating and clothes-drying control method thereof
JP2017510585A JP2017525480A (en) 2014-08-19 2014-11-17 Far infrared heating clothes dryer and its clothes drying control method
PCT/CN2014/091312 WO2016026227A1 (en) 2014-08-19 2014-11-17 Far-infrared heating clothes drying machine and controlling means for drying clothes thereof

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