CN106149309A - A kind of washing machine and control method thereof - Google Patents
A kind of washing machine and control method thereof Download PDFInfo
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- CN106149309A CN106149309A CN201510178477.3A CN201510178477A CN106149309A CN 106149309 A CN106149309 A CN 106149309A CN 201510178477 A CN201510178477 A CN 201510178477A CN 106149309 A CN106149309 A CN 106149309A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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Abstract
The invention discloses a kind of washing machine and control method thereof, washing machine includes controller, also include that ultrasonic water level detects device；Ultrasonic water level detection device is positioned at the top of washing machine maximum water inlet water level；Ultrasonic water level detection device is for the ultrasonic signal sending ultrasonic signal and reception is reflected back, and passes to controller after the ultrasonic signal received is converted to corresponding voltage signal；Speed and Time Calculation used that controller is propagated in atmosphere according to ultrasonic signal go out the ultrasonic water level detection device height h to the washings water surface.Use the washing machine in the present invention and control method thereof can be effectively improved water level detecting precision, reduce water consumption, promote Consumer's Experience, meet user's demand intelligentized to household electrical appliances；Meanwhile, the ultrasonic water level detection device in the application also has simple in construction, advantage easy for installation, is suitable for being widely popularized use.
Description
Technical field
The present invention relates to washing machine and control method field thereof, more specifically disclose one and be provided with super
The washing machine of sound wave water level detection device and control method thereof.
Background technology
The existing washing machine in market, whether automatic washing machine or roller washing machine, to washing machine water
Position is all detected by level sensor when detecting.The Cleaning Principle of level sensor is all logical
Crossing hydraulic pressure size in detection cylindric washer, the position in coil of the magnetic core in water pressure pushing level sensor occurs
Change, thus change inductance value, produced the signal of different frequency by LC oscillating circuit, finally according to frequency
Signal value and water level height relation one to one, draw corresponding water level of washing machine.Above-mentioned level sensor
Structure when mounted for arrange an air chamber bottom inner tank of washing machine, air chamber, built with airway, is led
Having a valve on trachea, valve is connected with level sensor by air hose, thus can be by air chamber
Interior air pressure is delivered to level sensor by air hose, and the magnetic core in level sensor is due to the edge of air pressure
Therefore, the position in solenoid changes, thus changes the inductance value of LC vibrating circuit, the most defeated
Going out the resonant frequency signal of a change, washing machine i.e. can draw washing machine by detection signal frequency size
Height of water level.
The Chinese patent of Application No. 201220155232.0 discloses a kind of washing machine water level detecting apparatus,
Box bottom makes a valve, the above connection airway of valve, is then buckled in inducing QI by a chamber cover
Guan Shang.Chamber cover is fixed on casing, and certain interval is arranged at the bottom of chamber cover and casing.Will with air hose
Valve and level sensor couple together, and the air pressure in such chamber cover just can be delivered to by air hose
In level sensor.The Chinese patent of Application No. 201220463748.1 discloses a kind of novel washing machine water
Level sensor, including assembling pressure catheter Jiao Gai, be sequentially arranged at from top to bottom the hollow backbone in glue shell,
The spring arranged in magnetic core, piston sheet and barrier film, hollow backbone and magnetic core and spring positioning cap, by being wound on
LC oscillating circuit that coil on hollow backbone and capacitor are constituted and the Jiao Gai being provided with gas port, described sky
The side of heart skeleton is provided with terminal insertion ports, and terminal sets barbed one end and is inserted directly into the setting of hollow backbone side
Socket in；It is wound with the hollow backbone of coil to be inserted directly into and be riveted on four duckpins that glue shell base is built-in
On.Utilize the agnail that terminal one end is arranged, terminal be directly loadable into and be fixed in the socket of skeleton, it is not necessary to
Injection；The skeleton being wound with coil is inserted directly into by four duckpins that glue shell base is built-in, and by heat
The mode of riveting is riveted together, its firm stable, improves the quality of product.
Above-mentioned two patent all carries out water level detecting by hydraulic pressure, but above-mentioned two is applied on washing machine
Level sensor all there is certain drawback, such as, water level sensor of washing machine accuracy of detection is low, for a long time
Use water level value generation drift, and relatively low water level detecting can cause inflow unstable, affects medicated clothing and washes
Wash effect, also result in water resource waste simultaneously.
Due to, existing washing machine is the highest to the required precision of water level detecting, and the cost of this kind of sensor is relatively
Low, it is widely used on washing machine.But along with the appearance of intelligent washing machine, to water level of washing machine detection essence
Degree is had higher requirement, and the raising of water level detecting precision can be washed in utilization more accurately, more efficiently
Water in Tong removes dissolving detergent and carries out clothes washing, can be by slurry amount precision, the amount of conserving water,
Water conservation.
Therefore, market needs a kind of washing machine water position detecting method and the washing machine of application the method badly, to improve
Water level detecting precision, thus adapt to the intelligentized development of washing machine.
Summary of the invention
It is an object of the present invention to propose a kind of washing machine, this washing machine is provided with ultrasonic water level
Detection device so that the slurry amount in washing process is more accurate, reduces the waste of water resource.
Further object is that, propose to apply the level testing methods on above-mentioned washing machine, with
Improve the water level detecting precision of washing machine, solve the inspection that washing machine water position detecting method of the prior art exists
Survey the problem that precision is low, water resource waste is serious.
For reaching this purpose, on the one hand, the present invention by the following technical solutions:
A kind of washing machine, including controller, also includes the ultrasonic water level detection being connected with described controller
Device；
Described ultrasonic water level detection device is positioned at the top of washing machine maximum water inlet water level；
Described ultrasonic water level detection device is for sending ultrasonic signal and reception is reflected back in cylindric washer
Ultrasonic signal, and pass to described control after the ultrasonic signal received is converted to corresponding voltage signal
Device processed；
Described controller is used for controlling described ultrasonic water level detection device and sends and received ultrasonic signal, and
Calculating ultrasonic signal and receive the required time from being issued to, controller passes in atmosphere according to ultrasonic signal
The speed broadcast and Time Calculation used go out the described ultrasonic water level detection device height h to the washings water surface.
Further, described cylindric washer includes inner core and urceolus；Described ultrasonic water level detection device is arranged on
On washing machine urceolus lid, and just to the gap between described inner core and urceolus.
Further, also including by-pass line, the bottom of described by-pass line is connected with described cylindric washer shape
Become linker structure；
Described ultrasonic water level detection device is positioned at the top of described by-pass line；Described ultrasonic water level detects
Device is arranged on washing machine urceolus lid, and just to described by-pass line.
Further, described ultrasonic water level detection device includes ultrasonic transmitter and ultrasonic receiver；
Described ultrasonic transmitter is connected with described controller, for launching under the control of described controller
Ultrasonic signal；
Described ultrasonic receiver is provided with signal conditioning circuit, and described ultrasonic receiver is reflected back for reception
Ultrasonic signal, and the ultrasonic signal of acceptance be converted to corresponding voltage signal arrange through described signal
Circuit passes to described controller after arranging；Described signal conditioning circuit for voltage signal is amplified and
Filtering.
Further, described signal conditioning circuit includes amplifying circuit and filter circuit；Described voltage signal depends on
Secondary after described amplifying circuit and filter circuit carry out signal arrangement, pass to described controller.Further,
Being provided with timing module on described controller, described timing module is for sending super at described ultrasonic transmitter
Start timing after acoustic signals, receive the voltage signal of described signal conditioning circuit transmission at described controller
Rear stopping timing.
On the other hand, for reaching above-mentioned purpose, the present invention by the following technical solutions:
A kind of control method for washing machine, is used for controlling washing machine as above, after water intaking valve opens water inlet,
Perform step A: controller controls ultrasonic water level detection device and sends ultrasonic signal and receive from water-reflected
The ultrasonic signal returned；
Then, step B is performed: the ultrasonic signal received is converted to by described ultrasonic water level detection device
Described controller is passed to after corresponding voltage signal；
Then, step C is performed: described controller calculates real time water level height and judges described real time water level height
Whether reach designated water level；
If real time water level height reaches designated water level, then perform step D: described controller controls described ultrasonic
Ripple condensate tank of dehumidifier stops detection, controls water intaking valve simultaneously and stops water inlet；
If real time water level height is not reaching to designated water level, the most described controller controls timing module and resets clear
Zero and keep water intake valve, repeated execution of steps A is to step C.
Further, described step A comprises the following steps:
Controller described in a1 controls ultrasonic transmitter and launches ultrasonic signal, simultaneously the timing mould in controller
BOB(beginning of block) timing；
A2 ultrasonic receiver receives the ultrasonic signal returned from water-reflected and is converted to corresponding voltage letter
Number.
Further, described step B comprises the following steps:
Described in b1, the ultrasonic signal returned from water-reflected is converted to corresponding electricity by ultrasonic water level detection device
Pressure signal；
Voltage signal described in b2 passes to described controller after signal conditioning circuit.Further, described
Step C comprises the following steps:
After described in c1, controller receives voltage signal, described timing module stops timing；
Controller described in c2 calculates after described ultrasonic water level detection device sends ultrasonic signal to described control
Device processed receives time t used between voltage signal；
Controller described in c3, according to aerial spread speed v of time t and ultrasonic signal, calculates described
Ultrasonic water level detects the device height h to the washings water surface；
Controller described in c4 calculates real time water level height Δ h according to formula Δ h=H-h, and wherein, H is described super
Sound wave water level detection device is to the distance bottom cylindric washer；
Controller described in c5 judges that real time water level height Δ h is the most equal with designated water level.
The invention have the benefit that and on the washing machine in the present invention, be provided with ultrasonic water level detection device,
This level sensing device can be launched ultrasonic signal and receive the ultrasonic signal that water-reflected is returned, controller
Calculate ultrasonic signal and receive the required time from being issued to, and propagate in atmosphere according to ultrasonic signal
Speed and Time Calculation ultrasonic water level used detection device to the distance of the water surface, and then calculating cylindric washer
In height of water level.
Use the washing machine of control method of the present invention, it is possible to be effectively improved water level detecting precision, reduce water consumption,
Promote Consumer's Experience, meet user's demand intelligentized to household electrical appliances；Meanwhile, the ultrasonic water level in the application
Detection device also has simple in construction, advantage easy for installation, is suitable for being widely popularized use.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the washing machine that the embodiment of the present invention one proposes；
Fig. 2 is the part-structure schematic diagram of the washing machine that the embodiment of the present invention two proposes；
Fig. 3 is the control method for washing machine flow chart that the embodiment of the present invention three proposes.
In figure:
1, by-pass line；2, outer cover；3, inner core；4, urceolus；5, casing；6, ultrasonic water level
Detection device；7, blind area.
Detailed description of the invention
Further illustrate technical scheme below in conjunction with the accompanying drawings and by detailed description of the invention.
Embodiment one
The present embodiment proposes a kind of washing machine, including controller and the ultrasonic water level that is connected with controller
Detection device.Ultrasonic water level detection device is positioned at the top of the maximum water inlet water level of washing machine, ultrasound wave water
Level detecting apparatus, and will for the ultrasonic signal sending ultrasonic signal in cylindric washer and reception is reflected back
The ultrasonic signal received passes to controller after being converted to corresponding voltage signal.Controller is used for controlling
Ultrasonic water level detection device sends and received ultrasonic signal, and calculates ultrasonic signal from being issued to reception
The required time, speed and Time Calculation that controller is propagated in atmosphere according to ultrasonic signal go out ultrasound wave
Condensate tank of dehumidifier is to the height h of the washings water surface, and then calculates the real time water level height in cylindric washer.
As it is shown in figure 1, be a kind of detailed description of the invention of washing machine in the present embodiment, this washing machine includes case
Body 5, is provided with inner core 3, urceolus 4 and outer cover 2 in casing 5, outer cover 2 is used for sealing inner core 3 He
Gap between urceolus 4.A by-pass line 1, the bottom of by-pass line 1 it is provided with in the side of urceolus 4
Be connected formation linker structure with urceolus 4.It is internal as washing washing container that inner core 3 is installed on urceolus 4,
Urceolus 4 in whole casing 5 as washing of drum type washing machine water container, by-pass line 1 adjacent washing machine urceolus 4.
When after water filling in inner core 3 and urceolus 4, the height of water level in by-pass line 1 and inner core 3 and urceolus 4
In height of water level the same.Therefore it may only be necessary in the height of water level in detection by-pass line 1 is just obtained in that
Height of water level in cylinder 3 and urceolus 4.The accuracy measured for ultrasonic water level detection device 6, bypass
The inwall of pipeline 1 requires flat smooth, and by-pass line 1 is preferably column type pipeline, due to ultrasound wave water
There is check frequency in the course of the work in level detecting apparatus 6 under the effect of himself principle, so carrying out
First ultrasonic water level detection device 6 when installing, will test its blind area, so that ensure can in installation process
It is prevented effectively from the blind area impact on detection process.
In the present embodiment, set certain region on the top of by-pass line 1 as ultrasonic water level detection dress
The blind area 7 put, the top of blind area 7 is provided with ultrasonic water level detection device 6, for the water in washing tube
Face sends ultrasonic signal, and receives the signal of the same frequency being reflected back.As further embodiment,
Ultrasonic water level detection device 6 is positioned at the top of by-pass line 1, and the top of by-pass line 1 is higher than urceolus 4,
Ultrasonic water level detection device 6 is arranged on the outer cover 2 of washing machine, and just to by-pass line 1.
Ultrasonic water level detection device 6 includes ultrasonic transmitter and ultrasonic receiver, ultrasonic transmitter
It is connected with controller, for launching ultrasonic signal under the control of the controller.Ultrasonic receiver is provided with
Signal conditioning circuit, for receiving the ultrasonic signal being reflected back, and is converted to the ultrasonic signal of reception
Corresponding voltage signal passes to controller after signal conditioning circuit arranges.Wherein, signal conditioning circuit bag
Including amplifying circuit and filter circuit, voltage signal sequentially passes through amplifying circuit and filter circuit carries out signal arrangement
After pass to controller.
Further, controller being provided with timing module, timing module is for sending at ultrasonic transmitter
Start timing after ultrasonic signal, stop after controller receives the voltage signal of signal conditioning circuit transmission
Timing.
The operation principle of the washing machine in the present embodiment is, controller controls ultrasonic transmitter and sends ultrasound wave
Signal is also opened timing module and is started timing, and ultrasonic signal arrives in by-pass line 1 after propagating in atmosphere
Water surface back reflection return, the ultrasonic signal being reflected back is received by ultrasonic receiver, and ultrasound wave connects
Receiving after ultrasonic signal is converted into corresponding potential circuit by device and pass to signal conditioning circuit, signal arranges electricity
Road is sent to controller after voltage signal is carried out signal arrangement.The controller voltage signal to receiving is carried out
Stopping the timing of timing module after identification, then, controller is according to time of record in timing module and ultrasonic
The speed calculation ultrasonic water level that ripple is propagated in atmosphere detects the distance in device 6 and washing tube between the water surface,
And ultrasonic water level detection device 6 is a definite value to the distance bottom urceolus 4, in both differences are exactly
Real time water level height in cylinder 3.
Ultrasonic water level detection device 6, this ultrasonic water level detection dress it is provided with on washing machine in the present embodiment
Put transmitting ultrasonic signal receive the ultrasonic signal that water-reflected is returned, controller calculate ultrasonic signal from
It is issued to receive the required time, and speed and the propagation time propagated in atmosphere according to ultrasonic signal count
Calculate the ultrasonic water level detection device 6 distance to the water surface, and then calculate the real time water level height in cylindric washer.
Embodiment two
As in figure 2 it is shown, be the local structural graph of a kind of washing machine that the present embodiment proposes, the present embodiment and reality
Executing example one identical, including inner core 3, urceolus 4 and outer cover 2, ultrasonic water level detection device 6 is positioned at inner core
In gap between 3 and urceolus 4, and being positioned at the top in gap, the top in gap is higher than inner core 3 and urceolus 4,
Ultrasonic water level detection device 6 is arranged on the outer cover 2 of washing machine, and just to gap.
In the present embodiment, washing machine is rotary drum washing machine, and inner core 3 is about with the width in the gap of urceolus 4
13mm-16mm, outer cover 2 is about about 90mm, by ultrasonic water level to the distance of inner core 3 peak level
Detection device 6 is arranged on the upper end of the outer cover 2 of washing machine, and ultrasonic water level detection device 6 is towards inner core 3
And the gap between urceolus 4.Scheme in the present embodiment can be saved compared to technical scheme in documents 1
The space of washing machine.Detect device 6 with the ultrasonic water level in sample embodiment also to keep away in installation process
Open-blind district, it is to avoid water level is tested inaccurate situation and occurred.
Cleaning Principle in the present embodiment is identical with embodiment one, simply the present embodiment detection be inner core 3 with
Height of water level in urceolus 4 gap, does not repeats them here.
Embodiment three
The present embodiment proposes a kind of control method for washing machine, for controlling as in embodiment one and embodiment two
Washing machine.
Control method in the present embodiment is, after water intaking valve opens water inlet, performs step A: controller controls super
Sound wave water level detection device sends ultrasonic signal and receives the ultrasonic signal returned from water-reflected；
Then, step B is performed: the ultrasonic signal received is converted to accordingly by ultrasonic water level detection device
Voltage signal after pass to controller；
Then, step C is performed: controller calculates real time water level height and judges whether real time water level height reaches
Designated water level；
If real time water level height reaches designated water level, then perform step D: controller controls ultrasonic water level inspection
Survey device and stop detection, control water intaking valve simultaneously and stop water inlet；
If real time water level height is not reaching to designated water level, then controller controls timing module reset clearing also
Keeping water intake valve, repeated execution of steps A is to step C.
As it is shown on figure 3, be the flow chart of control method in the present embodiment, illustrate below in conjunction with flow chart
Control method in the present embodiment.
User needs to set program for washing start washing machine according to washing, controller control water intaking valve open into
Water, then controller controls ultrasonic transmitter transmitting ultrasonic signal, controls timing module simultaneously and starts meter
Time.The water surface is propagated and arrived to ultrasonic signal in atmosphere, and ultrasonic signal is reflected by the water surface, ultrasonic
Ripple receptor receives and arrives the ultrasonic signal that water surface back reflection is returned.
The ultrasonic signal received is converted into faint current signal, current signal by ultrasonic probe, ultrasonic receiver
Being voltage signal through corresponding circuit conversion again, voltage signal sequentially passes through the amplification in signal conditioning circuit
Controller is passed to after circuit and filter circuit.
After controller receives the voltage signal through arranging, timing module stops timing.Controller calculate from
Ultrasonic water level detection device sends ultrasonic signal and receives the time t used by voltage signal to controller, i.e.
The time of timing module record.Controller according to aerial spread speed v of time t and ultrasonic signal,
Calculate the ultrasonic water level detection device height h to the washings water surface.First, controller calculates ultrasound wave letter
Propagation distance number in time t, the half of propagation distance is exactly that ultrasonic water level detection device is to washings
The height h of the water surface.Then, controller calculates real time water level height Δ h, wherein, H according to formula Δ h=H-h
For the distance bottom ultrasonic water level detection device to cylindric washer.Finally, controller judges real time water level height
Δ h is the most equal with designated water level, i.e. whether water level reaches designated water level.
If real time water level height Δ h is not reaching to preset water level, then controller controls timing module clearing, with
Time keep water intaking valve open, then repeat above-mentioned detecting step.
If real time water level height Δ h reaches designated water level, then controller controls water intaking valve and stops water inlet, simultaneously
Control ultrasonic water level detection device and stop detection.
The control method in the present embodiment is used to control the washing machine in embodiment one and embodiment two, it is possible to have
Effect improves water level detecting precision, reduces water consumption, and promotes Consumer's Experience, meets user intelligentized to household electrical appliances
Demand；The device of ultrasonic water level in the application detection simultaneously also has a simple in construction, advantage easy for installation,
It is suitable for being widely popularized use.
Describe the know-why of the present invention above in association with specific embodiment, these describe and are intended merely to explain this
The principle of invention, it is impossible to be construed to limiting the scope of the invention by any way.Based on explaining herein,
Those skilled in the art need not to pay performing creative labour and can associate other of the present invention and be embodied as
Mode, within these modes fall within protection scope of the present invention.
Claims (10)
1. a washing machine, including controller, it is characterised in that also include being connected with described controller
Ultrasonic water level detection device (6)；
Described ultrasonic water level detection device (6) is positioned at the top of washing machine maximum water inlet water level；
Described ultrasonic water level detection device (6) is for sending ultrasonic signal and receiving reflection in cylindric washer
The ultrasonic signal returned, and pass to institute after the ultrasonic signal received is converted to corresponding voltage signal
State controller；
Described controller is used for controlling described ultrasonic water level detection device (6) and sends and received ultrasonic signal,
And calculate ultrasonic signal and receive the required time from being issued to, controller is according to ultrasonic signal in atmosphere
The speed propagated and Time Calculation used go out described ultrasonic water level detection device (6) to the washings water surface
Highly h.
Washing machine the most according to claim 1, it is characterised in that described cylindric washer includes inner core (3)
With urceolus (4)；Described ultrasonic water level detection device (6) is arranged on the outer cover (2) of washing machine, and
Just to the gap between described inner core (3) and urceolus (4).
Washing machine the most according to claim 1, it is characterised in that also include by-pass line (1), institute
State the bottom of by-pass line (1) to be connected with described cylindric washer formation linker structure；
Described ultrasonic water level detection device (6) is positioned at the top of described by-pass line (1)；Described ultrasonic
Ripple condensate tank of dehumidifier (6) is arranged on the outer cover (2) of washing machine, and just to described by-pass line (1).
4. according to the washing machine described in any one of claim 1-3, it is characterised in that described ultrasonic water level
Detection device (6) includes ultrasonic transmitter and ultrasonic receiver；
Described ultrasonic transmitter is connected with described controller, for launching under the control of described controller
Ultrasonic signal；
Described ultrasonic receiver is provided with signal conditioning circuit, and described ultrasonic receiver is reflected back for reception
Ultrasonic signal, and the ultrasonic signal of reception be converted to corresponding voltage signal arrange through described signal
Circuit passes to described controller after arranging；
Described signal conditioning circuit is for being amplified voltage signal and filtering.
Washing machine the most according to claim 4, it is characterised in that described signal conditioning circuit includes putting
Big circuit and filter circuit；
Described voltage signal sequentially pass through described amplifying circuit and filter circuit carry out signal arrangement after pass to institute
State controller.
Washing machine the most according to claim 4, it is characterised in that be provided with timing on described controller
Module, described timing module is used for after described ultrasonic transmitter sends ultrasonic signal starting timing,
Described controller stops timing after receiving the voltage signal that described signal conditioning circuit transmits.
7. a control method for washing machine, for controlling the washing machine as described in claim 1-6, it is special
Levy and be, after water intaking valve opens water inlet, perform step A: controller controls ultrasonic water level detection device (6)
Send ultrasonic signal and receive the ultrasonic signal returned from water-reflected；
Then, step B is performed: the ultrasonic signal that described ultrasonic water level detection device (6) will receive
Described controller is passed to after being converted to corresponding voltage signal；
Then, step C is performed: described controller calculates real time water level height and judges that described real time water level is high
Whether degree reaches designated water level；
If real time water level height reaches designated water level, then perform step D: described controller controls described super
Sound wave water level detection device (6) stops detection, controls water intaking valve simultaneously and stops water inlet；
If real time water level height is not reaching to designated water level, the most described controller controls timing module and resets clear
Zero and keep water intake valve, repeated execution of steps A is to step C.
8. according to the control method for washing machine described in claim 7, it is characterised in that in described step A
Comprise the following steps:
Controller described in a1 controls ultrasonic transmitter and launches ultrasonic signal, simultaneously the timing mould in controller
BOB(beginning of block) timing；
A2 ultrasonic receiver receives the ultrasonic signal returned from water-reflected and is converted to corresponding voltage letter
Number.
Control method for washing machine the most according to claim 8, it is characterised in that wrap in described step B
Include following steps:
Described in b1, the ultrasonic signal returned from water-reflected is converted to phase by ultrasonic water level detection device (6)
The voltage signal answered；
Voltage signal described in b2 passes to described controller after signal conditioning circuit.
Control method for washing machine the most according to claim 9, it is characterised in that described step C bag
Include following steps:
After described in c1, controller receives voltage signal, described timing module stops timing；
Controller described in c2 calculate from described ultrasonic water level detection device (6) send after ultrasonic signal to
Described controller receives time t used between voltage signal；
Controller described in c3, according to aerial spread speed v of time t and ultrasonic signal, calculates described
Ultrasonic water level detection device (6) arrives the height h of the washings water surface；
Controller described in c4 calculates real time water level height Δ h according to formula Δ h=H-h, and wherein, H is described super
Sound wave water level detection device (6) is to the distance bottom cylindric washer；
Controller described in c5 judges that real time water level height Δ h is the most equal with designated water level.
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| CN201510178477.3A CN106149309A (en) | 2015-04-15 | 2015-04-15 | A kind of washing machine and control method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106868779A (en) * | 2017-03-09 | 2017-06-20 | 合肥龙图腾信息技术有限公司 | A kind of washing machine water amount control system |
| CN110965281A (en) * | 2018-09-30 | 2020-04-07 | 青岛海尔洗衣机有限公司 | Water level detection control method for clothes washing equipment and clothes washing equipment |
| CN110965259A (en) * | 2018-09-30 | 2020-04-07 | 青岛海尔洗衣机有限公司 | Water level detection control method for clothes washing equipment and clothes washing equipment |
| WO2020156493A1 (en) * | 2019-02-01 | 2020-08-06 | 青岛海尔洗衣机有限公司 | Washing machine |
| CN113279195A (en) * | 2020-02-19 | 2021-08-20 | 青岛海尔滚筒洗衣机有限公司 | Washing machine |
| CN113373648A (en) * | 2020-02-25 | 2021-09-10 | 无锡小天鹅电器有限公司 | Control method of washing machine, and computer-readable storage medium |
| WO2023169156A1 (en) * | 2022-03-10 | 2023-09-14 | 青岛海尔洗衣机有限公司 | Drum washing machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61240997A (en) * | 1985-04-17 | 1986-10-27 | 松下電器産業株式会社 | Apparatus for detecting water quantity of washing machine |
| JPS61290989A (en) * | 1985-06-20 | 1986-12-20 | 松下電器産業株式会社 | Apparatus for detecting optimum water level of washing machine |
| JPS6214895A (en) * | 1985-07-11 | 1987-01-23 | 松下電器産業株式会社 | Water level detector of washing machine |
| JPS6268494A (en) * | 1985-09-20 | 1987-03-28 | 松下電器産業株式会社 | Washing machine |
| JPS62159699A (en) * | 1986-01-08 | 1987-07-15 | 松下電器産業株式会社 | Cloth amount detector of washing machine |
| JPH0375088A (en) * | 1989-08-17 | 1991-03-29 | Toshiba Corp | Water level detecting device for washing machine or the like |
| CN102926169A (en) * | 2012-11-19 | 2013-02-13 | 代傲电子控制（南京）有限公司 | Automatic filling device and control method thereof |
-
2015
- 2015-04-15 CN CN201510178477.3A patent/CN106149309A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61240997A (en) * | 1985-04-17 | 1986-10-27 | 松下電器産業株式会社 | Apparatus for detecting water quantity of washing machine |
| JPS61290989A (en) * | 1985-06-20 | 1986-12-20 | 松下電器産業株式会社 | Apparatus for detecting optimum water level of washing machine |
| JPS6214895A (en) * | 1985-07-11 | 1987-01-23 | 松下電器産業株式会社 | Water level detector of washing machine |
| JPS6268494A (en) * | 1985-09-20 | 1987-03-28 | 松下電器産業株式会社 | Washing machine |
| JPS62159699A (en) * | 1986-01-08 | 1987-07-15 | 松下電器産業株式会社 | Cloth amount detector of washing machine |
| JPH0375088A (en) * | 1989-08-17 | 1991-03-29 | Toshiba Corp | Water level detecting device for washing machine or the like |
| CN102926169A (en) * | 2012-11-19 | 2013-02-13 | 代傲电子控制（南京）有限公司 | Automatic filling device and control method thereof |
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| CN106868779B (en) * | 2017-03-09 | 2019-01-01 | 方小虎 | A kind of washing machine water amount control system |
| CN109183355A (en) * | 2017-03-09 | 2019-01-11 | 吴彬 | A kind of washing machine water amount control system and its working method |
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| CN110219135A (en) * | 2017-03-09 | 2019-09-10 | 合肥龙图腾信息技术有限公司 | A kind of washing machine water amount control system |
| CN110219135B (en) * | 2017-03-09 | 2021-01-26 | 宁波凯祥智能科技有限公司 | Water quantity control system of washing machine |
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| CN110965281A (en) * | 2018-09-30 | 2020-04-07 | 青岛海尔洗衣机有限公司 | Water level detection control method for clothes washing equipment and clothes washing equipment |
| CN110965259A (en) * | 2018-09-30 | 2020-04-07 | 青岛海尔洗衣机有限公司 | Water level detection control method for clothes washing equipment and clothes washing equipment |
| CN111519404A (en) * | 2019-02-01 | 2020-08-11 | 青岛海尔洗衣机有限公司 | Washing machine |
| WO2020156493A1 (en) * | 2019-02-01 | 2020-08-06 | 青岛海尔洗衣机有限公司 | Washing machine |
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Application publication date: 20161123 |