CN109338692A - Washing machine drying time control system and method and washing machine - Google Patents
Washing machine drying time control system and method and washing machine Download PDFInfo
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- CN109338692A CN109338692A CN201811377529.XA CN201811377529A CN109338692A CN 109338692 A CN109338692 A CN 109338692A CN 201811377529 A CN201811377529 A CN 201811377529A CN 109338692 A CN109338692 A CN 109338692A
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- washing machine
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- drying time
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- 238000005406 washing Methods 0.000 title claims abstract description 59
- 238000001035 drying Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 239000003990 capacitor Substances 0.000 claims description 30
- 230000005611 electricity Effects 0.000 claims description 2
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 230000006870 function Effects 0.000 description 17
- 238000005516 engineering process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- KLDZYURQCUYZBL-UHFFFAOYSA-N 2-[3-[(2-hydroxyphenyl)methylideneamino]propyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCN=CC1=CC=CC=C1O KLDZYURQCUYZBL-UHFFFAOYSA-N 0.000 description 1
- 201000001098 delayed sleep phase syndrome Diseases 0.000 description 1
- 208000033921 delayed sleep phase type circadian rhythm sleep disease Diseases 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- D06F58/30—Drying processes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention relates to a washing machine drying time control system, a washing machine drying time control method and a washing machine, wherein the system comprises: a humidity sensor, a comparator circuit, a control circuit and a heating device; the humidity sensor is used for detecting the humidity in the tub when the washing machine is in a drying state; the input end of the comparator circuit is connected with the output end of the humidity sensor and is used for outputting a level signal according to the humidity in the barrel and the humidity threshold value; the input end of the control circuit is connected with the output end of the comparator circuit, and the output end of the control circuit is connected with the heating device and used for controlling the heating device according to the level signal output by the comparator circuit. According to the technical scheme provided by the invention, the drying degree of the clothes is judged according to the humidity condition in the detection barrel of the humidity sensor, the humidity in the barrel is monitored in real time, and the controllable drying time is realized.
Description
Technical field
The invention belongs to washing machine control field more particularly to a kind of washing machine drying time control system, method and wash
Clothing machine.
Background technique
With the continuous improvement of people's living standards, washing machine has progressed into ordinary people family, spreads thousand
Ten thousand families.Under the driving that technology constantly updates development, the function of washing machine is gradually improved, and the drying function of washing machine is exactly wherein
One of.
At present there are mainly three types of washing machine drying technologies: steam-type, condensing and heat-pump-type.Wherein steam-type drying is most
Common drying technology, steam-type drying are realized by setting fixed drying time, just stop drying when the time is up
Function.Set time drying can have drying (drying time is too long) in some cases or owe drying (drying time is too short)
The problem of, if drying time is too long, it will also result in electric resources waste.
Accordingly, it is desirable to provide a kind of washing machine drying time control system, method and washing machine solve the prior art
It is insufficient.
Summary of the invention
It is fixed to solve drying time in the prior art, drying time length cannot be controlled according to different actual conditions
Problem, the present invention provides a kind of washing machine drying time control system, method and washing machines.
A kind of washing machine drying time control system is applied to washing machine, the system comprises: humidity sensor compares
Device circuit, control circuit and heating device；
The humidity sensor, for detecting humidity in bucket when washing machine is in oven-dried condition；
The input terminal of the comparator circuit is connect with the output end of the humidity sensor, for according to wet in the bucket
The size of degree and humidity threshold, outputs level signals；
The input terminal of the control circuit is connect with the output end of the comparator circuit, output end and the heating device
Connection, the level signal for being exported according to the comparator circuit control the heating device.
Further, the comparator circuit includes: the first circuit, bleeder circuit and comparator；
The connection of the first input end of first circuit and comparator；
The connection of second input terminal of the bleeder circuit and comparator；
The output end of the comparator is used for outputs level signals.
Further, the bleeder circuit includes first resistor, second resistance and the second capacitor, for adjusting comparator
The voltage value of second input；
The first end of the first resistor is connect with the first power supply signal terminal, second end respectively with the second resistance
First end, the first end of the second capacitor are connected with the second input terminal of comparator；
The second end of the second resistance is grounded；
The second end of second capacitor is connect with the second end of the second resistance.
Further, first circuit includes 3rd resistor and first capacitor；
The output end of the first end of the 3rd resistor and humidity sensor connects, second end respectively with first capacitor the
One end is connected with the second input terminal of comparator；
The second end of the first capacitor is grounded.
Further, the control circuit includes: the 4th resistance, third capacitor, switching transistor and relay；
The first end of 4th resistance is connect with the output end of the comparator circuit, the second end respectively with third
The first end of capacitor is connected with the base stage of switch triode；
The second end of the third capacitor is grounded；
The emitter of the switch triode is connect with the second end of the third capacitor, and the first of collector and relay
End connection, for controlling the opening and closing of the relay.
It further, further include varistor, the first end of the varistor is connect with the first end of the relay,
Second end is connect with the second end of the relay；
The second end of the relay is connect with second source signal terminal, and third end and third power supply signal terminal connect
It connects, the 4th end is connect with heating device.
A kind of washing machine drying time control method, is applied to washing machine, and the washing machine includes humidity sensor and adds
Thermal, which comprises
Humidity in bucket when being in oven-dried condition by humidity sensor detection washing machine；
Judge whether humidity is greater than humidity threshold in the bucket；
The opening and closing of the heating device is controlled according to judging result.
Further, the opening and closing that the heating device is controlled according to judging result, comprising:
When humidity is greater than humidity threshold in bucket, opens heating device and heated；
Detect humidity in the bucket of washing machine；
When detecting that humidity is less than or equal to humidity threshold in the bucket, the heating device is closed.
A kind of washing machine, including any of the above-described washing machine drying time control system.
Technical solution provided by the invention has the advantages that compared with the immediate prior art
Technical solution provided by the invention detects humidity in bucket when washing machine is in oven-dried condition by humidity sensor,
Again by the size of humidity and humidity threshold in comparator circuit judges bucket, corresponding level is exported, finally by control circuit
Control the opening and closing of heating device.Technical solution provided by the invention detects humidity condition in bucket according to humidity sensor and determines clothes
The degree of drying, humidity in real-time monitoring bucket realize that drying time is controllable.
Detailed description of the invention
Fig. 1 is washing machine drying time control system schematic diagram in the embodiment of the present invention；
Fig. 2 is comparator circuit schematic diagram in the embodiment of the present invention；
Fig. 3 is control circuit schematic diagram in the embodiment of the present invention；
Fig. 4 is washing machine drying time control method flow chart in the embodiment of the present invention.
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, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, being applied to washing machine, the system the present invention provides a kind of washing machine drying time control system
It include: humidity sensor, comparator circuit, control circuit and heating device；
The humidity sensor, for detecting humidity in bucket when washing machine is in oven-dried condition；
The input terminal of the comparator circuit is connect with the output end of the humidity sensor, for according to wet in the bucket
The size of degree and humidity threshold, outputs level signals；
The input terminal of the control circuit is connect with the output end of the comparator circuit, output end and the heating device
Connection, the level signal for being exported according to the comparator circuit control the heating device.
In the embodiment of the present application, humidity in bucket when being in oven-dried condition by humidity sensor detection washing machine, then
By the size of humidity and humidity threshold in comparator circuit judges bucket, corresponding level is exported, finally by control circuit control
The opening and closing of refrigerating/heating apparatus.Technical solution provided by the invention detects humidity condition in bucket according to humidity sensor and determines that clothes dries
Dry degree, humidity in real-time monitoring bucket realize that drying time is controllable.
As shown in Fig. 2, comparator circuit includes: the first circuit, bleeder circuit and ratio in some embodiments of the present application
Compared with device；
The connection of the first input end of first circuit and comparator；
The connection of second input terminal of the bleeder circuit and comparator；
The output end of the comparator is used for outputs level signals.
In some embodiments of the present application, bleeder circuit includes first resistor, second resistance and the second capacitor, for adjusting
Save the voltage value of the second input of comparator；
The first end of the first resistor is connect with the first power supply signal terminal, second end respectively with the second resistance
First end, the first end of the second capacitor are connected with the second input terminal of comparator；
The second end of the second resistance is grounded；
The second end of second capacitor is connect with the second end of the second resistance.
In some embodiments of the present application, the first circuit includes 3rd resistor and first capacitor；
The output end of the first end of the 3rd resistor and humidity sensor connects, second end respectively with first capacitor the
One end is connected with the second input terminal of comparator；
The second end of the first capacitor is grounded.
As shown in figure 3, control circuit includes: the 4th resistance, third capacitor, switch in some embodiments of the present application
Triode and relay；
The first end of 4th resistance is connect with the output end of the comparator circuit, the second end respectively with third
The first end of capacitor is connected with the base stage of switch triode；
The second end of the third capacitor is grounded；
The emitter of the switch triode is connect with the second end of the third capacitor, and the first of collector and relay
End connection, for controlling the opening and closing of the relay.
In some embodiments of the present application, control circuit further includes varistor, the first end of the varistor with
The first end of the relay connects, and second end is connect with the second end of the relay；
The second end of the relay is connect with second source signal terminal, and third end and third power supply signal terminal connect
It connects, the 4th end is connect with heating device.
As shown in figure 3, RV1 is varistor, main function is protective relay, prevents 24V voltage instability timing, voltage
Excessively high damage relay.
The working principle of washing machine drying time control system is as follows:
Humidity sensor is when enabling drying function for detecting humidity in bucket；Comparator is defeated for comparing humidity sensor
The size of electric signal and given threshold out；Main control chip exports relay for detection comparator output signal level height
Device controls signal；Relay is used to control the on-off of electricity group silk power supply, realizes the start and stop of control drying function.
As shown in Fig. 2, humidity sensor output Vout is connected to the positive input terminal of comparator, threshold voltage Vref can basis
Humidity is determined with voltage relationship in used humidity sensor specifications, and circuit is realized by R1 and R2 partial pressure, is adjusted
Whole R1 can set different threshold values from R2 value relatable.Threshold voltage is connected to the negative input end of comparator, and comparator output terminal connects
It is connected to any one universal input and output port of main control chip GPIO1 (GPIO mouthfuls is configured to input port).As shown in figure 3,
Any one universal input and output port of main control chip GPIO2 (GPIO mouthfuls is configured as output to port) is connected to switching transistor
Base stage, control opening and closing for relay, so reach control resistance wire on/off, drying function starting stop mesh
's.
Based on identical inventive concept, the present invention also provides a kind of washing machine drying time control methods, are applied to laundry
Machine, as shown in figure 4, the washing machine includes humidity sensor and heating device, this method comprises:
Humidity in bucket when being in oven-dried condition by humidity sensor detection washing machine；
Judge whether humidity is greater than humidity threshold in the bucket；
The opening and closing of the heating device is controlled according to judging result.
In some embodiments of the present application, the opening and closing that the heating device is controlled according to judging result, comprising:
When humidity is greater than humidity threshold in bucket, opens heating device and heated；
Detect humidity in the bucket of washing machine；
When detecting that humidity is less than or equal to humidity threshold in the bucket, the heating device is closed.
Entire workflow is as shown in figure 4, humidity sensor is mounted on interior bucket position appropriate, and washing machine is in conventional wash
When, humidity sensor is idle.Only after drying function is opened, humidity sensor just be will start, in real-time monitoring bucket
Humidity condition.The electric signal Vout of humidity sensor output is compared with the threshold value Vref of setting by comparator, and Vout is worked as
When > Vref, comparator exports high level, when main control chip detects that GPIO1 port signal is high at this time, main control chip control
The port GPIO2 exports high level, and triode Q1 conducting, relay closure, resistance wire works at this time, is equivalent to drying function at this time
It works.As Vout≤Vref, comparator exports low level, and main control chip detects that GPIO1 input port signal is at this time
When low, main control chip controls the port GPIO2 and exports low level, and triode Q1 is not turned on, and relay disconnects, at this time resistance wire not work
Make, is equivalent to drying function stopping at this time.
Wherein, main control chip can be the device that MCU, DSP, ARM etc. have control function.
The present invention also provides a kind of washing machines, including any of the above-described washing machine drying time control system.
It should be noted that, in this document, the relational terms of such as " first " and " second " or the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.
It is understood that embodiments described herein can with hardware, software, firmware, middleware, microcode or its
Combination is to realize.For hardware realization, processing unit be may be implemented in one or more specific integrated circuit (Application
Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing,
DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic
Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor,
In controller, microcontroller, microprocessor, other electronic units for executing herein described function or combinations thereof.
For software implementations, the techniques described herein can be realized by executing the unit of function described herein.Software generation
Code is storable in memory and is executed by processor.Memory can in the processor or portion realizes outside the processor.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
In embodiment provided herein, it should be understood that disclosed device and method can pass through others
Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of device or unit
It connects, can be electrical property, mechanical or other forms.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the embodiment of the present invention is substantially
The part of the part that contributes to existing technology or the technical solution can embody in the form of software products in other words
Come, which is stored in a storage medium, including some instructions are used so that a computer equipment (can
To be personal computer, server or the network equipment etc.) execute all or part of each embodiment the method for the present invention
Step.And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk etc. are various can store program
The medium of code.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (9)
1. a kind of washing machine drying time control system is applied to washing machine, which is characterized in that the system comprises: humidity passes
Sensor, comparator circuit, control circuit and heating device；
The humidity sensor, for detecting humidity in bucket when washing machine is in oven-dried condition；
The input terminal of the comparator circuit is connect with the output end of the humidity sensor, for according to humidity in the bucket with
The size of humidity threshold, outputs level signals；
The input terminal of the control circuit is connect with the output end of the comparator circuit, and output end and the heating device connect
It connects, the level signal for being exported according to the comparator circuit controls the heating device.
2. a kind of washing machine drying time control system according to claim 1, which is characterized in that the comparator circuit
It include: the first circuit, bleeder circuit and comparator；
The connection of the first input end of first circuit and comparator；
The connection of second input terminal of the bleeder circuit and comparator；
The output end of the comparator is used for outputs level signals.
3. a kind of washing machine drying time control system according to claim 2, which is characterized in that the bleeder circuit packet
First resistor, second resistance and the second capacitor are included, the voltage value of the second input for adjusting comparator；
The first end of the first resistor is connect with the first power supply signal terminal, second end respectively with the second resistance first
End, the first end of the second capacitor are connected with the second input terminal of comparator；
The second end of the second resistance is grounded；
The second end of second capacitor is connect with the second end of the second resistance.
4. a kind of washing machine drying time control system according to claim 2, which is characterized in that the first circuit packet
Include 3rd resistor and first capacitor；
The output end of the first end of the 3rd resistor and humidity sensor connects, second end respectively with the first end of first capacitor
It is connected with the second input terminal of comparator；
The second end of the first capacitor is grounded.
5. a kind of washing machine drying time control system according to claim 1, which is characterized in that the control circuit packet
It includes: the 4th resistance, third capacitor, switching transistor and relay；
The first end of 4th resistance is connect with the output end of the comparator circuit, the second end respectively with third capacitor
First end with switch triode base stage connect；
The second end of the third capacitor is grounded；
The emitter of the switch triode is connect with the second end of the third capacitor, and the first end of collector and relay connects
It connects, for controlling the opening and closing of the relay.
6. a kind of washing machine drying time control system according to claim 5, which is characterized in that further include pressure-sensitive electricity
Resistance, the first end of the varistor are connect with the first end of the relay, and the second end of second end and the relay connects
It connects；
The second end of the relay is connect with second source signal terminal, and third end is connect with third power supply signal terminal, the
Four ends are connect with heating device.
7. a kind of washing machine drying time control method is applied to washing machine, which is characterized in that the washing machine includes that humidity passes
Sensor and heating device, which comprises
Humidity in bucket when being in oven-dried condition by humidity sensor detection washing machine；
Judge whether humidity is greater than humidity threshold in the bucket；
The opening and closing of the heating device is controlled according to judging result.
8. a kind of washing machine drying time control method according to claim 7, which is characterized in that described to be tied according to judgement
Fruit controls the opening and closing of the heating device, comprising:
When humidity is greater than humidity threshold in bucket, opens heating device and heated；
Detect humidity in the bucket of washing machine；
When detecting that humidity is less than or equal to humidity threshold in the bucket, the heating device is closed.
9. a kind of washing machine, which is characterized in that including such as washing machine drying time control as claimed in any one of claims 1 to 6 system
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811377529.XA CN109338692B (en) | 2018-11-19 | 2018-11-19 | Washing machine drying time control system and method and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811377529.XA CN109338692B (en) | 2018-11-19 | 2018-11-19 | Washing machine drying time control system and method and washing machine |
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| Publication Number | Publication Date |
|---|---|
| CN109338692A true CN109338692A (en) | 2019-02-15 |
| CN109338692B CN109338692B (en) | 2020-01-17 |
Family
ID=65316279
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811377529.XA Active CN109338692B (en) | 2018-11-19 | 2018-11-19 | Washing machine drying time control system and method and washing machine |
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| Country | Link |
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| CN110565349A (en) * | 2019-08-13 | 2019-12-13 | 广东格兰仕集团有限公司 | Partition drying control method for electric appliance with drying function |
| CN111663292A (en) * | 2019-03-05 | 2020-09-15 | 青岛海尔洗衣机有限公司 | Control method of clothes treatment equipment and clothes treatment equipment |
| CN112415060A (en) * | 2020-12-08 | 2021-02-26 | 深圳市海腾建设工程有限公司 | Moisture content detection method, moisture content detection apparatus, and storage medium |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109338692B (en) | 2020-01-17 |
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