CN109837694A - Control method, washing machine and the computer readable storage medium of washing machine - Google Patents
Control method, washing machine and the computer readable storage medium of washing machine Download PDFInfo
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- CN109837694A CN109837694A CN201910240682.6A CN201910240682A CN109837694A CN 109837694 A CN109837694 A CN 109837694A CN 201910240682 A CN201910240682 A CN 201910240682A CN 109837694 A CN109837694 A CN 109837694A
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Abstract
The invention discloses a kind of control methods of washing machine, comprising: obtains the target water level of washing machine；The pressure difference value that the differential pressure pick-up detects is obtained, the water level of the washing machine is obtained according to the pressure difference value；When the water level is less than the target water level, the washing machine inflow is controlled；When the water level is more than or equal to the target water level, controls the washing machine and stop water inlet.The invention also discloses a kind of washing machine and computer readable storage mediums.The present invention obtains the water level of washing machine by differential pressure pick-up, improves the accuracy of water level detecting.
Description
Technical field
The present invention relates to washing machine technology field more particularly to a kind of control methods of washing machine, washing machine and calculating
Machine readable storage medium storing program for executing.
Background technique
In the prior art, washing machine generally measures water level by water level sensor.Water level sensor is a kind of for examining
It surveys water level information and converts water level to the sensor of electric signal comprising gas lid, shell, diaphragm, iron core, main spring and coil
Unit, lower part of the housing are equipped with Fluid pressure receiving chamber.Water pressure is transmitted to sensor gas chamber, work of the diaphragm by air pressure by tracheae
With overcoming the bounce moving knife iron core of main spring mobile to coil direction, iron core is when coil inside occurs mobile, the electricity of coil
Feel the variation in approximately linear corresponding with the displacement of iron core, the inductance of coil is transmitted water supply through terminal by water level sensor
Position detection circuit, output frequency square wave, oscillating circuit sense frequency square wave to washing machine computer after oscillating circuit is handled
Plate, the water level for the signal control washing machine that computer board of washing machine is issued according to water level sensor.
But influence of the method for water level vulnerable to environmental factors such as atmospheric pressure, water temperatures, tool are measured by water level sensor
There is inaccuracy.
Above content is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that above content is existing skill
Art.
Summary of the invention
The main purpose of the present invention is to provide a kind of control method of washing machine, washing machine and computer-readable storages
Medium, it is intended to which the water level that washing machine is obtained by differential pressure pick-up improves the accuracy of water level detecting.
To achieve the above object, the present invention provides a kind of control method of washing machine, the control method packet of the washing machine
Include following steps:
Obtain the target water level of washing machine；
The pressure difference value that the differential pressure pick-up detects is obtained, the water of the washing machine is obtained according to the pressure difference value
Position；
When the water level is less than the target water level, the washing machine inflow is controlled；
When the water level is more than or equal to the target water level, controls the washing machine and stop water inlet.
Further, the step of water level that the washing machine is obtained according to the pressure difference value includes:
Calculate the product between the fluid density and acceleration of gravity of the inside of the roller；
The quotient between the pressure difference value and the product is calculated, the quotient is the water level of the washing machine.
Further, the step of water level that the washing machine is obtained according to the pressure difference value includes:
According to the mapping relations between pressure difference value and water level, the water level of the washing machine is obtained.
Further, after the step of target water level for obtaining washing machine, further includes:
The pressure difference value that the differential pressure pick-up detects is obtained, judges the pressure difference value whether in preset range；
In the pressure difference value in the preset range, execute described according to the pressure difference value acquisition washing machine
Water level the step of；
In the pressure difference value not in the preset range, information warning is exported.
Further, the step of target water level for obtaining washing machine includes:
Water level control instruction is received, the water level control is obtained and instructs corresponding target water level；
Alternatively, determining the target water level according to the clothes weight of the inside of the roller.
Further, the step of clothes weight of the inside according to the roller determines the target water level include:
According to the mapping relations between clothes weight and water level, the target water level is obtained.
To achieve the above object, the present invention also provides a kind of washing machine, the washing machine includes:
It roller, differential pressure pick-up, tubule, strainer, memory, processor and is stored on the memory and can be described
The control program of the washing machine run on processor, the bottom of the roller are provided with differential pressure pick-up, the differential pressure pick-up
The air pressure of the outside of the first end and detection roller of the fluid pressure of inside including the detection roller
The first end of the second end, the differential pressure pick-up is connected by the tubule with the inside of the roller, the differential pressure
The junction of the first end of sensor and the tubule is provided with layer of silica gel, and the strainer is set to the second end, or
Person is set on the airflow channel that the second end is connected to outside air, and the control program of the washing machine is by the processing
The step of such as above-mentioned washing machine is the control method of the washing machine under executing subject is realized when device executes.
To achieve the above object, the present invention also provides a kind of computer readable storage medium, the computer-readable storages
The control program of washing machine is stored on medium, the control program of the washing machine realizes above-mentioned washing machine when being executed by processor
Control method the step of.
Control method, washing machine and the computer readable storage medium of washing machine provided by the invention obtain differential pressure and pass
The pressure difference value that sensor detects obtains the water level of washing machine according to pressure difference value, when the water level is less than target water level, control
Washing machine inflow processed, when the water level is more than or equal to target water level, control washing machine stops water inlet.The present invention passes through difference
Pressure sensor obtains the water level of washing machine, improves the accuracy of water level detecting.
Detailed description of the invention
Fig. 1 is the hardware running environment schematic diagram for the terminal that the embodiment of the present invention is related to；
Fig. 2 is the flow diagram of one embodiment of control method of washing machine of the present invention；
Fig. 3 is the flow diagram of the another embodiment of control method of washing machine of the present invention；
Fig. 4 is the schematic diagram of differential pressure pick-up of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of control method of washing machine, and the water level of washing machine is obtained by differential pressure pick-up, is improved
The accuracy of water level detecting.
As shown in Figure 1, Fig. 1 is the hardware running environment schematic diagram for the terminal that the embodiment of the present invention is related to.
The terminal of that embodiment of the invention is washing machine.As shown in Figure 1, the terminal may include: processor 1001, such as CPU,
Network interface 1004, user interface 1003, memory 1005, communication bus 1002.Wherein, communication bus 1002 is for realizing this
Connection communication between a little components.User interface 1003 may include display screen (Display), input unit such as keyboard
(Keyboard), remote controler, optional user interface 1003 can also include standard wireline interface and wireless interface.Network interface
1004 optionally may include standard wireline interface and wireless interface (such as memory (non-volatile memory), such as
Magnetic disk storage.Memory 1005 optionally can also be the storage device independently of aforementioned processor 1001.
It, can be with it will be understood by those skilled in the art that the restriction of the structure of terminal shown in Fig. 1 not structure paired terminal
Including perhaps combining certain components or different component layouts than illustrating more or fewer components.
As shown in Figure 1, as may include that operating system, network are logical in a kind of memory 1005 of computer storage medium
Believe module, the control program of Subscriber Interface Module SIM and washing machine.
In terminal shown in Fig. 1, network interface 1004 is mainly used for connecting background server, carries out with background server
Data communication；User interface 1003 is mainly used for connecting client (user terminal), carries out data communication with client；And processor
1001 can be used for calling the control program of the washing machine stored in memory 1005, and execute following operation:
Obtain the target water level of washing machine；
The pressure difference value that the differential pressure pick-up detects is obtained, the water of the washing machine is obtained according to the pressure difference value
Position；
When the water level is less than the target water level, the washing machine inflow is controlled；
When the water level is more than or equal to the target water level, controls the washing machine and stop water inlet.
Further, processor 1001 can call the control program of the washing machine stored in memory 1005, also execute
It operates below:
Calculate the product between the fluid density and acceleration of gravity of the inside of the roller；
The quotient between the pressure difference value and the product is calculated, the quotient is the water level of the washing machine.
Further, processor 1001 can call the control program of the washing machine stored in memory 1005, also execute
It operates below:
According to the mapping relations between pressure difference value and water level, the water level of the washing machine is obtained.
Further, processor 1001 can call the control program of the washing machine stored in memory 1005, also execute
It operates below:
Judge the pressure difference value whether in preset range；
In the pressure difference value in the preset range, execute described according to the pressure difference value acquisition washing machine
Water level the step of；
In the pressure difference value not in the preset range, information warning is exported.
Further, processor 1001 can call the control program of the washing machine stored in memory 1005, also execute
It operates below:
Water level control instruction is received, the water level control is obtained and instructs corresponding target water level；
Alternatively, determining the target water level according to the clothes weight of the inside of the roller.
Further, processor 1001 can call the control program of the washing machine stored in memory 1005, also execute
It operates below:
According to the mapping relations between clothes weight and water level, the target water level is obtained.
Referring to Fig. 2, in one embodiment, the washing machine includes roller, and the bottom of the roller is provided with differential pressure sensing
Device, the differential pressure pick-up include the first end and the detection roller for detecting the fluid pressure of inside of the roller
The second end of external air pressure, the control method of the washing machine the following steps are included:
Step S10, the target water level of washing machine is obtained；
Step S20, the pressure difference value that the differential pressure pick-up detects is obtained, is washed according to pressure difference value acquisition
The water level of clothing machine；
Step S30, when the water level is less than the target water level, the washing machine inflow is controlled；
Step S40, it when the water level is more than or equal to the target water level, controls the washing machine and stops water inlet.
In the present embodiment, the bottom of the roller of the washing machine is provided with differential pressure pick-up, and the differential pressure pick-up is used for
The pressure difference value between the fluid pressure of the inside of the roller and the air pressure of the outside of the roller is obtained, thus according to
The pressure difference value obtains the water level of washing machine.
The schematic diagram of differential pressure pick-up as shown in Figure 4, the specific integrated circuit is for detecting the sensing element
To pressure difference value be converted to digital signal, and the digital signal is sent to the controller of washing machine.
The first end is used to detect the fluid pressure of the inside of the roller, and the second end is described for detecting
The air pressure of the outside of roller obtains pressure difference value according to the fluid pressure and the air pressure.Specifically, by institute
The absolute value of the difference between fluid pressure and the air pressure is stated as the pressure difference value.
The washing machine further includes tubule, and the first end of the differential pressure pick-up passes through the tubule and the roller
Inside is connected.After the inner inlet of the roller, first end that part water passes through the tubule and the differential pressure pick-up
Thus portion's contact, the differential pressure pick-up obtain the fluid pressure of the inside of the roller.The first end of the differential pressure pick-up
Portion and the junction of the tubule are provided with layer of silica gel, and the layer of silica gel is used to avoid special inside moisture damage differential pressure pick-up
With integrated circuit, sensing element etc..
The second end exposes to cylindrical outer and contacts with outside air, thus the differential pressure pick-up obtains the rolling
The air pressure of the outside of cylinder.The washing machine further includes strainer, and the strainer is set to the second end, or is set to
On the airflow channel that the second end is connected to outside air.The strainer is used for the pollutant of filtering external air-flow, so that
The air-flow for contacting the second end is more pure.
It should be noted that the settable multiple differential pressure pickups in the bottom of the roller.For example, the bottom of the roller is set
Two differential pressure pickups are set, two differential pressure pickup interval pre-determined distances are configured, and two differential pressure pickups are used to detect
Pressure difference value, the difference between the pressure difference value that two differential pressure pickups detect respectively within a predetermined range when, execute institute
The step of water level of the washing machine is obtained according to the pressure difference value is stated, in this way, single differential pressure pickup is avoided to break down
The problem of caused detection inaccuracy.It is appreciated that the preset range can be configured according to practical application, the present invention is not done
It is specific to limit.
In the present embodiment, the step of water level that the washing machine is obtained according to the pressure difference value includes: Δ H=Δ
P/ ρ g, that is, calculate the product between the fluid density and acceleration of gravity of the inside of the roller；Calculate the pressure difference value with
Quotient between the product, the quotient are the water level of the washing machine.Specifically, there was only water in the drums inside
When, the fluid density is the density of water, but mixing liquid detergent is generally required in laundry processes, then fluid density is
It is determined according to the density of water and the density of liquid detergent.For example the density of water and liquid detergent is respectively ρ1、ρ2, mass mixing score
Not Wei a%, b%, mixing quality M, then V1=Ma%/ρ1, V2=Mb%/ρ2, hybrid density ρ=M/ (V1+V2)=ρ1ρ2/(ρ2A%+ ρ1B%).Wherein, the washing machine further includes the measuring device of liquid detergent, and user adds via the measuring device of liquid detergent
Liquid detergent, thus washing machine obtains the quality and volume of liquid detergent.
Alternatively, the step of water level for obtaining the washing machine according to the pressure difference value includes: according to pressure difference value
Mapping relations between water level obtain the water level of the washing machine.The mapping relations are to preset, and the mapping is closed
System is that pre- first pass through largely tests acquisition, for example first passes through Δ H=Δ P/ ρ g in advance and carry out calculating acquisition.
In the present embodiment, it is described obtain washing machine target water level the step of include: receive water level control instruction, obtain institute
It states water level control and instructs corresponding target water level.Specifically, user by the water level selection key of washing machine or default can move
The APP of dynamic terminal sends water level control instruction.
Alternatively, the step of target water level for obtaining washing machine includes: the clothes weight according to the inside of the roller
Determine the target water level.Specifically, according to the mapping relations between clothes weight and water level, the target water level is obtained.Institute
Stating mapping relations is to preset, and the mapping relations are that pre- first pass through largely tests acquisition.For example, with capacity
For the washing machine of 7.5kg, when clothes weight is 1Kg, water 12L；When clothes weight is 2Kg, water 18L；?
When clothes weight is 3Kg, water 24L；When clothes weight is 4g, water 30L；When clothes weight is 5Kg, water is
36L；When clothes weight is 6Kg, water 42L.It should be noted that in washing course of washing machine, since user may
It can be placed again into clothing, therefore timing or the target water level for obtaining washing machine in real time, detecting target water set by user
When position is unsatisfactory for clothes weight demand, prompt information is exported, or directly washed according to the target water level of system measurement.
It is appreciated that it may be wet wash that user, which is put into the clothing in washing machine, it is bigger than normal that this will lead to measurement result, in turn
Waste water power etc..Can by measurement washing machine in clothes weight, according to clothes weight obtain setting target water level, and with it is current
Water level compares, the current water when the difference for setting target water level and current level is greater than first threshold, i.e., in washing machine
The target water level for meeting clothes weight demand has not yet been reached in position, intakes at this time by the first setting inflow into washing machine, and return
It returns and continues to measure the clothes weight in washing machine；Until being not more than first threshold in target water level and the difference of current level, that is, wash
Current level in clothing machine met it is corresponding with clothes weight require, at this point, execute washing procedure.By in different water levels
The clothes weight of lower repeatedly measurement washing machine eliminates the deviation of weighing results when the clothing being initially added is wet clothes, and root
Target water level is adjusted in time according to clothes weight, accurate clothes weight, the i.e. net weight of drying object is based ultimately upon, under target water level
Washing procedure is executed, being put into wet wash so as to avoid user leads to weighing inaccuracy, thus the case where wasting water power.
The step of measuring the clothes weight of the inside of the roller includes: to control the driving motor of washing machine by setting speed
Forward and reverse rotates setting number respectively；Electricity parameter when measurement driving motor rotates each time；According to electricity parameter, meter
Calculate the average electricity parameter of driving motor；According to average electricity parameter, clothes weight is obtained.Specifically, according to the drive of washing machine
Relationship between the electricity parameter and revolving speed of dynamic motor during rotation calculates clothes weight, wherein electricity parameter can be
The operating current of washing machine or operating voltage etc..Further, by way of repeatedly measuring and being averaged, electricity parameter is improved
The accuracy of measurement.By taking the operating current for measuring driving motor as an example, in jth+1 time measurement, driving motor is with setting speed
n0It rotates in the forward direction, obtains positive operating current I of the driving motor at n0j+, after motor to be driven stops rotating, then with setting turn
Fast n0 is reversely rotated, and obtains reverse operation electric current I of the driving motor at n0j-, the above-mentioned movement of repetition is J times total, calculates driving electricity
Average operating current I of the machine at n0j, according to average operating current IjMapping relations between clothes weight obtain clothing weight
Amount, the mapping relations are to preset, and the mapping relations are that pre- first pass through largely tests acquisition.Wherein, according to
Average operating current obtained in the step of clothes weight, can be by testing the drying for obtaining and having known weight in washing machine in advance
When object, it is known that under water level, driving motor is with setting speed n0Operating current when rotation.
Disclosed in the present embodiment in technical solution, the pressure difference value that differential pressure pick-up detects is obtained, according to pressure difference
Value obtains the water level of washing machine, when the water level is less than target water level, controls washing machine inflow, be greater than in the water level or
When equal to target water level, control washing machine stops water inlet.In this way, obtaining the water level of washing machine by differential pressure pick-up, improve
The accuracy of water level detecting.
In one embodiment, as shown in figure 3, on the basis of above-mentioned embodiment shown in Fig. 2, the acquisition washing machine
After the step of target water level, further includes:
Step S50, the pressure difference value that the differential pressure pick-up detects is obtained, judges the pressure difference value whether default
Range；
Step S60, in the pressure difference value in the preset range, the washing machine is obtained according to the pressure difference value
Water level, the water level be less than the target water level when, control the washing machine inflow, be more than or equal in the water level
When the target water level, controls the washing machine and stop water inlet；
Step S70, in the pressure difference value not in the preset range, information warning is exported.
In the present embodiment, preset range is preset, the preset range is that factory is preceding to be obtained by largely test
Range illustrates that differential pressure pickup has detection not in the pressure difference value that differential pressure pick-up detects not in the preset range
Accurate problem.It is appreciated that the preset range can be configured according to practical application, the present invention is not specifically limited.
In the present embodiment, information warning is exported, to remind user to check washing machine failure.The information warning can be text
Perhaps the voice messaging information warning may be output to the display screen or default mobile terminal of washing machine to word information.
Disclosed in the present embodiment in technical solution, in the pressure difference value that differential pressure pick-up detects not in preset range
When, information warning is exported, in this way, discovery sensor failure in time.
The present invention also provides a kind of washing machine, the washing machine includes roller, differential pressure pick-up, tubule, strainer, storage
Device, processor and the control program for being stored in the washing machine that can be run on the memory and on the processor, the rolling
The bottom of cylinder is provided with differential pressure pick-up, the differential pressure pick-up include detect the inside of the roller fluid pressure first
The second end of the air pressure of end and the outside of the detection roller, the first end of the differential pressure pick-up pass through institute
It states tubule to be connected with the inside of the roller, the first end of the differential pressure pick-up and the junction of the tubule are provided with
Layer of silica gel, the strainer are set to the second end, or are set to the air-flow that the second end is connected to outside air
It is realized on channel, when the control program of the washing machine is executed by the processor if above-mentioned washing machine is the institute under executing subject
The step of stating the control method of washing machine.
The embodiment of the present invention also provides a kind of computer readable storage medium, stores on the computer readable storage medium
There is the control program of washing machine, it is executing subject that the control program of the washing machine, which is executed by processor realization such as above-mentioned washing machine,
Under the washing machine control method the step of.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be TV
Machine, mobile phone, computer, server, washing machine or network equipment etc.) execute method described in each embodiment of the present invention.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (11)
1. a kind of control method of washing machine, which is characterized in that the washing machine includes roller, and the bottom of the roller is provided with
Differential pressure pick-up, the differential pressure pick-up include first end and the detection institute for detecting the fluid pressure of inside of the roller
State the second end of the air pressure of the outside of roller, the control method of the washing machine the following steps are included:
Obtain the target water level of washing machine；
The pressure difference value that the differential pressure pick-up detects is obtained, the water level of the washing machine is obtained according to the pressure difference value；
When the water level is less than the target water level, the washing machine inflow is controlled；
When the water level is more than or equal to the target water level, controls the washing machine and stop water inlet.
2. the control method of washing machine as described in claim 1, which is characterized in that described to obtain institute according to the pressure difference value
The step of stating the water level of washing machine include:
Calculate the product between the fluid density and acceleration of gravity of the inside of the roller；
The quotient between the pressure difference value and the product is calculated, the quotient is the water level of the washing machine.
3. the control method of washing machine as described in claim 1, which is characterized in that described to obtain institute according to the pressure difference value
The step of stating the water level of washing machine include:
According to the mapping relations between pressure difference value and water level, the water level of the washing machine is obtained.
4. the control method of washing machine as described in claim 1, which is characterized in that the target water level for obtaining washing machine
After step, further includes:
The pressure difference value that the differential pressure pick-up detects is obtained, judges the pressure difference value whether in preset range；
In the pressure difference value in the preset range, the water that the washing machine is obtained according to the pressure difference value is executed
The step of position；
In the pressure difference value not in the preset range, information warning is exported.
5. the control method of washing machine as described in claim 1, which is characterized in that the target water level for obtaining washing machine
Step includes:
Water level control instruction is received, the water level control is obtained and instructs corresponding target water level；
Alternatively, determining the target water level according to the clothes weight of the inside of the roller.
6. the control method of washing machine as claimed in claim 5, which is characterized in that the clothing of the inside according to the roller
The step of object weight determines the target water level include:
According to the mapping relations between clothes weight and water level, the target water level is obtained.
7. a kind of washing machine, which is characterized in that the washing machine includes roller, differential pressure pick-up, memory, processor and storage
On the memory and the control program of washing machine that can run on the processor, the bottom of the roller is provided with difference
Pressure sensor, the differential pressure pick-up include detecting described in first end and the detection of the fluid pressure of inside of the roller
The second end of the air pressure of the outside of roller is realized when the control program of the washing machine is executed by the processor as weighed
Benefit require any one of 1 to 6 described in washing machine control method the step of.
8. washing machine as claimed in claim 7, which is characterized in that the washing machine further includes tubule, the differential pressure pick-up
First end be connected by the tubule with the inside of the roller.
9. washing machine as claimed in claim 8, which is characterized in that the first end of the differential pressure pick-up and the tubule
Junction is provided with layer of silica gel.
10. washing machine as claimed in claim 9, which is characterized in that the washing machine further includes strainer, and the strainer is set to
The second end, or be set on the airflow channel that the second end is connected to outside air.
11. a kind of computer readable storage medium, which is characterized in that be stored with washing machine on the computer readable storage medium
Control program, realize when the control program of the washing machine is executed by processor as described in any one of claims 1 to 6
The step of control method of washing machine.
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| CN111593531A (en) * | 2020-05-30 | 2020-08-28 | 广东蓝水花智能电子有限公司 | Water level control method for washing machine |
| CN111607937A (en) * | 2020-05-30 | 2020-09-01 | 广东蓝水花智能电子有限公司 | Efficient washing control method for washing machine |
| CN111676656A (en) * | 2020-05-30 | 2020-09-18 | 广东蓝水花智能电子有限公司 | Horizontal adjustment reminding method, device and system for washing machine |
| CN112433736A (en) * | 2019-08-26 | 2021-03-02 | 青岛海尔洗衣机有限公司 | Program upgrade control method for laundry treating apparatus |
| CN114367510A (en) * | 2021-12-15 | 2022-04-19 | 珠海格力电器股份有限公司 | Control method of cleaning machine, cleaning machine and storage medium |
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