CN107090695A - Washing machine and its control method, tub-impact detector, hit a barrel detection method - Google Patents
Washing machine and its control method, tub-impact detector, hit a barrel detection method Download PDFInfo
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- CN107090695A CN107090695A CN201710277964.4A CN201710277964A CN107090695A CN 107090695 A CN107090695 A CN 107090695A CN 201710277964 A CN201710277964 A CN 201710277964A CN 107090695 A CN107090695 A CN 107090695A
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- washing machine
- magnetic induction
- detection
- bucket
- induction device
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- D06F37/203—
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
-
- 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
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
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- D06F2202/12—
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- D06F2204/065—
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- D06F2222/00—
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses a kind of tub-impact detector for washing machine, including：Magnet on the steel ladle of washing machine is set；The magnetic induction device on the casing of washing machine is arranged on, magnetic induction device is set relative to magnet, magnetic induction device is used to sense the magnet in magnetic induction device preset range；Detection unit, detection unit and magnetic induction device connect, and detection unit is for whether detection magnetic sensing device to sense magnet to generate detection signal；Control unit, control unit is connected with detection unit, and control unit is used to judge whether washing machine hits bucket according to detection signal, so as to judge whether to hit bucket by magnetic induction principle, accuracy of detection is high, it is to avoid the failure of imbalance detection, also, the device is installed simple, it is easy to accomplish.For washing machine a barrel detection method, a kind of washing machine and its control method are hit the invention also discloses a kind of.
Description
Technical field
The present invention relates to living electric apparatus technical field, more particularly to a kind of tub-impact detector for washing machine, one kind
Washing machine, a kind of hit barrel detection method and a kind of control method of washing machine for washing machine.
Background technology
At present, when rotary drum washing machine is washed or is dehydrated, if clothing is uneven in washing machine inner tub, it can go out
Existing steel ladle hits the phenomenon of casing, and such as processing may result in washing machine and be shifted over or even topple over not in time.
Washing machine in correlation technique generally mechanical hit bucket switch and judges tub-impact phenomenon by installing one.But it is deposited
The problem of be, due to by switching the production precision of itself and being influenceed in the installation accuracy of complete machine, so being difficult to ensure that institute
The bucket that hits of some washing machines detects uniformity, and after washing machine uses the long period, the associated components for hitting bucket switch may
Relaxation occurs, causes the precision reduction for hitting bucket switch, and then cause the uneven failure detected.
Therefore, the need for correlation technique has improvement.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention
First purpose is to propose a kind of to install the simple and high tub-impact detector for washing machine of precision.
Second object of the present invention is to propose that one kind is used for washing machine.Third object of the present invention is proposition one
Plant and hit a barrel detection method for washing machine.Fourth object of the present invention is to propose a kind of controlling party for washing machine
Method.
To reach above-mentioned purpose, first aspect present invention embodiment proposes a kind of bucket detection of hitting for washing machine and filled
Put, including：Magnet on the steel ladle of the washing machine is set；The magnetic induction device on the casing of the washing machine is arranged on,
The magnetic induction device is set relative to the magnet, and the magnetic induction device is used to sense to be preset in the magnetic induction device
In the range of the magnet；Detection unit, the detection unit is connected with the magnetic induction device, and the detection unit is used to examine
Survey whether the magnetic induction device senses magnet to generate detection signal；Control unit, described control unit and the detection
Unit is connected, and described control unit is used to judge whether the washing machine hits bucket according to the detection signal.
The tub-impact detector for washing machine proposed according to embodiments of the present invention, magnet will be arranged on the Sheng of washing machine
On bucket, magnetic induction device is arranged on the casing of washing machine, and detection unit detection is relative to the magnetic induction device that magnet is set
Whether sense and set the magnet on the steel ladle of washing machine in preset range to generate detection signal, so control unit according to
Detection signal judges whether washing machine hits bucket, so as to judge whether to hit bucket, accuracy of detection by magnetic induction principle
It is high, it is to avoid the failure of imbalance detection, also, the device installs simple, it is easy to accomplish.
According to one embodiment of present invention, the magnetic induction device can be tongue tube.
According to one embodiment of present invention, the detection unit includes：First diode, the sun of first diode
Pole is connected with default power supply, and the negative electrode of first diode is connected with one end of the tongue tube；First resistor, described first
One end of resistance is connected with the other end of the tongue tube；Second resistance, one section and the first resistor of the second resistance
The other end be connected, the other end of second resistance ground connection has node between the first resistor and the second resistance,
The node is connected with described control unit.
According to one embodiment of present invention, the detection unit also includes：First electric capacity, one end of first electric capacity
It is connected with the node, another end node of first electric capacity.
According to one embodiment of present invention, the detection unit also includes：Second diode, second diode
Anode and the other end of the first resistor and the tongue tube are respectively connected with, and the negative electrode of second diode is preset with described
Power supply is connected.
According to one embodiment of present invention, when described control unit is used for low level lasting in the detection signal
Between be more than predetermined threshold value when judge that the washing machine hits bucket.
To reach above-mentioned purpose, second aspect of the present invention embodiment proposes a kind of washing machine, interior bucket；Driver element, institute
State driver element with the interior bucket to be connected, the driver element is used to drive the interior bucket to rotate；The described washing machine that is used for
Tub-impact detector, the control unit of the tub-impact detector for washing machine is connected with the driver element, the control
Unit processed is used to judge whether the washing machine hits bucket when the washing machine is dehydrated, and occurs in the washing machine
Control the driver element to be stopped when hitting barrel, and the washing machine is controlled successively after the driver element is stopped
Intake, washed and draining, and control the washing machine to re-start dehydration after the completion of the washing machine drainage.
The washing machine proposed according to embodiments of the present invention, is existed by the control unit of the tub-impact detector for washing machine
Judge whether washing machine hits bucket when washing machine is dehydrated, and control driver element stops work when washing machine is hit barrel
Make, and control washing machine to be intake, washed and draining successively after driver element is stopped, and it is complete in washing machine drainage
Dehydration is re-started into rear control washing machine, so that, it can judge whether to hit bucket by magnetic induction principle, accuracy of detection is high,
Avoid the uneven failure detected, and can be taken measures in time when washing machine is hit barrel, it is to avoid hit bucket and give washing machine band
To shift or topple over phenomenon.
According to one embodiment of present invention, the washing machine also includes alarm unit, the alarm unit and the control
Unit processed is connected, and described control unit controls the report when reaching preset times for the number of times for hitting bucket in the washing machine
Alert unit is alarmed.
To reach above-mentioned purpose, third aspect present invention embodiment is proposed a kind of hits bucket detection side for washing machine
Method, the washing machine includes setting the magnet on the steel ladle of the washing machine, is arranged on the magnetic on the casing of the washing machine
Sensing device, the magnetic induction device is set relative to the magnet, and the magnetic induction device, which is used to sense, is in the magnetic strength
The magnet in device preset range is answered, be the described method comprises the following steps：Detect whether the magnetic induction device senses
Magnet is to generate detection signal；Judge whether the washing machine hits bucket according to the detection signal.
What is proposed according to embodiments of the present invention hits a barrel detection method for washing machine, and whether detection magnetic sensing device first
Magnet is sensed to generate detection signal, judges whether washing machine hits bucket then according to detection signal, so as to by logical
Cross magnetic induction principle to judge whether to hit bucket, accuracy of detection is high, it is to avoid the failure of imbalance detection, and for washing machine
Tub-impact detector, installs simple, it is easy to accomplish.
According to one embodiment of present invention, detect that the low level duration is more than predetermined threshold value in signal when described
When, judge that the washing machine hits bucket.
To reach above-mentioned purpose, fourth aspect present invention embodiment proposes a kind of control method of washing machine, including with
Lower step：The washing machine is controlled to be dehydrated；Hitting for washing machine is used for according to described when the washing machine is dehydrated
Whether what bucket detection method judged the washing machine hits bucket；The washing machine is controlled when the washing machine is hit barrel
Driver element is stopped to drive the interior bucket of the washing machine to stop operating；Institute is controlled after the driver element is stopped
State washing machine to be intake, washed and draining successively, and control the washing machine to enter again after the completion of the washing machine drainage
Row dehydration.
The control method of the washing machine proposed according to embodiments of the present invention, controls washing machine to be dehydrated, then exists first
Judge whether the washing machine of washing machine occurs according to the above-mentioned barrel detection method of hitting for washing machine when washing machine is dehydrated
Hit bucket, and when washing machine is hit barrel, the driver element of control washing machine is stopped to drive interior bucket to stop operating, and enters
And control washing machine to be intake, washed and draining successively after driver element is stopped, and after the completion of washing machine drainage
Control washing machine re-starts dehydration, so that, it can judge whether to hit bucket by magnetic induction principle, accuracy of detection is high, it is to avoid
The failure of imbalance detection, and can be taken measures in time when washing machine is hit barrel, it is to avoid hit bucket and bring shifting to washing machine
Phenomenon is toppled in position.
According to one embodiment of present invention, the control method of the washing machine also includes：Hit in the washing machine
When the number of times of bucket reaches preset times, the alarm unit of the washing machine is controlled to be alarmed.
Brief description of the drawings
Fig. 1 is the block diagram of the tub-impact detector for washing machine according to embodiments of the present invention；
Fig. 2 is the structural representation of the tub-impact detector according to an embodiment of the invention for washing machine；
Fig. 3 is that the circuit of detection unit in the tub-impact detector according to an embodiment of the invention for washing machine is former
Reason figure；
Fig. 4 is the detection letter of detection unit in the tub-impact detector according to an embodiment of the invention for washing machine
Number schematic diagram；
Fig. 5 is the block diagram of washing machine according to embodiments of the present invention；
Fig. 6 is the block diagram of washing machine according to an embodiment of the invention；
Fig. 7 is the flow chart for hitting barrel detection method for washing machine according to embodiments of the present invention；
Fig. 8 is the flow chart of the control method of washing machine according to embodiments of the present invention；
Fig. 9 is the flow chart of the control method of the washing machine according to a specific embodiment of the invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Describe the washing machine and its control method of the embodiment of the present invention, tub-impact detector below in conjunction with the accompanying drawings, hit bucket
Detection method.
Fig. 1 is the block diagram of the tub-impact detector for washing machine according to embodiments of the present invention.Such as Fig. 1 and figure
Shown in 2, the tub-impact detector 100 for being used for washing machine includes：Magnet 10, magnetic induction device 20, detection unit 30 and control
Unit 40.
Wherein, magnet 10 is arranged on the steel ladle 101 of washing machine；Magnetic induction device 20 is arranged on the casing of washing machine
On 102, magnetic induction device 20 is set relative to magnet 10, and magnetic induction device 20 is used to sense presets model in magnetic induction device 20
Interior magnet 10 is enclosed, specifically, magnetic induction device 20 may be provided at the inner side of casing 102 of washing machine；Detection unit 30 and magnetic strength
Device 20 is answered to be connected, detection unit 30 is for whether detection magnetic sensing device 20 to sense magnet 10 to generate detection signal；Control
Unit 40 processed is connected with detection unit 30, and control unit 40 is used to judge whether washing machine hits bucket according to detection signal.
Wherein, according to one embodiment of present invention, magnetic induction device 20 can be tongue tube 70.
It should be appreciated that when magnet 10 is in the preset range of magnetic induction device 20, magnetic induction device 20 senses
To magnet 10, detection unit 30 generates first detection signal when magnetic induction device 20 senses magnet 10；When magnet 10 is in
When outside the preset range of magnetic induction device 20, magnetic induction device 20 is not sensed by magnet 10, and detection unit 30 is in magnetic inductor
Generation second detects signal when part 20 is not sensed by magnet 10.
Specifically, in washing machine running, the interior bucket rotation of steel ladle 101 is arranged at, steel ladle 101 is motionless, when
When not hitting barrel of washing machine, the relative position of magnet 10 and magnetic induction device 20 is relatively fixed, i.e., magnet 10 is in magnetic strength
In the preset range for answering device 20, magnetic induction device 20 can sense magnet 10, now detection unit 30 be continuously generated first
Signal is detected, the first detection signal that control unit 40 can be continuously generated according to detection unit 30 i.e. detection unit 30 does not generate the
Two detection signals judge that washing machine does not hit bucket；When washing machine is hit barrel, the position of steel ladle 101 shifts, phase
Ying Di, the relative position of magnet 10 and magnetic induction device 20 shifts, magnetic induction device 20 not within a preset range, magnetic induction
Device 20 is sensed less than magnet 10, the second detection signal that now detection unit 30 is generated, and control unit 40 can be single according to detection
Second detection signal of the generation of member 30 judges that washing machine hits bucket.
Thus, in an embodiment of the present invention, the detection signal that control unit 40 can be generated according to detection unit 30 judges
Whether washing machine hits bucket.
According to one embodiment of present invention, as shown in figure 3, detection unit 30 includes：First diode D1, first resistor
R1 and second resistance R2.
Wherein, the first diode D1 anode is connected with default power supply VCC, the first diode D1 negative electrode and tongue tube 70
One end be connected；First resistor R1 one end is connected with the other end of tongue tube 70；Second resistance R2 one end and first resistor
The R1 other end is connected, second resistance R2 other end ground connection, has node A, section between first resistor R1 and second resistance R2
Point A is connected with control unit 40.
According to one embodiment of present invention, as shown in figure 3, detection unit 30 also includes：First electric capacity C1, the first electric capacity
C1 one end is connected with node A, the first electric capacity C1 other end ground connection.First electric capacity C1 is used to pass through node to detection unit 30
The detection signal of A outputs is filtered, so that control unit 40 judges whether washing machine occurs according to filtered detection signal
Hit bucket.
According to one embodiment of present invention, as shown in figure 3, detection unit 30 also includes：Second diode D2, the two or two
The other end of pole pipe D2 anode and first resistor R1 and tongue tube 70 is respectively connected with, the second diode D2 negative electrode and default electricity
Source VCC is connected.
Wherein, it can be+5V dc sources to preset power supply VCC.
Specifically, when the clothing in washing machine inner tub is in poised state, tongue tube 70 is sustainable to sense default model
Interior magnet 10 is enclosed, and is in the presence of magnet 10 attracting state, now detection unit 30 is continuously generated the first detection letter
Number such as high level, the second detection signal such as low level is not generated；When clothing in washing machine inner tub is in lack of equilibrium state,
Due to eccentric center principle, the steel ladle 101 of washing machine can occur left and right, front and rear etc. and rock, and then cause magnet 10 to occur deviateing magnetic
The situation of sensing device 20 so that magnetic induction device 20 is sensed less than magnet 10, and tongue tube 70 is off, now detected
The generation of unit 30 second detects signal such as low level (as shown in Figure 4).
Thus, the detection signal that control unit 40 can be generated according to detection unit 30 judges that the steel ladle 101 of washing machine is
It is no to be in poised state, that is, say, control unit 40 can judge being filled with water for washing machine when detection unit 30 generates low level signal
Bucket 101 hits bucket in lack of equilibrium state, i.e. washing machine.
Further, according to one embodiment of present invention, control unit 40 is used for low level in detection signal hold
The continuous time judges that steel ladle 101 hits bucket when being more than predetermined threshold value.
Wherein, predetermined threshold value can be pre-stored in control unit 40.
That is, water tub of washing machine 101 is judged in the state of lack of equilibrium in control unit 40, and when the shape
Control unit 40 judges that washing machine hits bucket when the duration of state is more than predetermined threshold value.In other words, when tongue tube 70 disconnects
Time when reaching predetermined threshold value, control unit 40 judges that washing machine hits bucket.
In summary, the tub-impact detector for washing machine proposed according to embodiments of the present invention, magnet will be arranged on
On the steel ladle of washing machine, magnetic induction device is arranged on the casing of washing machine, and detection unit detection is set relative to magnet
Whether magnetic induction device, which senses, sets the magnet on the steel ladle of washing machine to generate detection signal in preset range, and then controls
Unit processed judges whether washing machine hits bucket according to detection signal, so as to judge whether to hit by magnetic induction principle
Bucket, accuracy of detection is high, it is to avoid the failure of imbalance detection, also, the device installs simple, it is easy to accomplish.
Fig. 5 is the block diagram of washing machine according to embodiments of the present invention.As shown in figure 5, the washing machine 200 includes：
Interior bucket 50, driver element 60 and the tub-impact detector 100 for washing machine.
Wherein, driver element 60 is connected with interior bucket 50, and driver element 60 is used to drive interior bucket 50 to rotate；For washing machine
The control unit 40 of tub-impact detector 100 is connected with driver element 60, and control unit 40 is used to be dehydrated in washing machine 200
When judge in bucket 50 whether hit bucket, and control driver element 60 is stopped when bucket 50 is hit barrel inside, and in drive
Control washing machine 200 is intake, washed and draining successively after moving cell 60 is stopped, and is completed in the draining of washing machine 200
Control washing machine 200 re-starts dehydration afterwards.
That is, the control unit 40 in the tub-impact detector 100 for washing machine judges washing machine 200 in dehydration
Shi Fasheng hits bucket, and control unit 40 then controls driver element 60 to be stopped, that is, sayed, when washing machine 200 is dehydrated
Bucket is hit, driver element 60 stops bucket 50 in driving and rotated.
Wherein, after bucket 50 stops operating including control unit 40, control washing machine 200 is intake, washed and arranged successively
Water, and control washing machine 200 to re-start dehydration after the completion of the draining of washing machine 200.
Specifically, driver element 60 may include motor retractor and motor load, and control unit 40 is single in control driving
After member 60 is stopped, then washing machine 200 is controlled to intake, and control washing machine is washed after water inlet to setting water level,
And control washing machine 200 carries out draining after washing preset time is, for example, 1min, and after the completion of draining, then control washing machine
200 re-start dehydration, to detect whether washing machine 200 hits bucket again in dehydration.
, wherein it is desired to which explanation, setting water level and preset time can be demarcated according to actual conditions.
According to one embodiment of present invention, as shown in fig. 6, washing machine 200 also includes：Alarm unit 80, alarm unit
80 are connected with control unit 40, and control unit 40 is controlled when reaching preset times for the number of times for hitting bucket in washing machine 200
Alarm unit 80 is alarmed.
Wherein, preset times can be 3 times.
For example, in washing machine 200 carries out dehydration, control unit 40 is according to the detection signal of detection unit 30
Judge that steel ladle 101 hits bucket for the first time, then control driver element 60 to be stopped, and control washing machine 200 to enter successively
Traveling water, washing and drainage procedure, after the completion of drainage procedure, control washing machine 200 re-starts dehydration.As described above, weight
When multiple said process reaches preset times, that is, say, when control unit 40 judges that what washing machine 200 occurred in dehydration hits bucket
When number of times reaches preset times such as 3 times, in other words, the continuous control of control unit 40 control washing machine 200 intake successively,
Washing and drainage procedure reach more than 3 times, then control alarm unit 80 to be alarmed.
Wherein, alarm unit 80 can be buzzer, flash lamp or display screen etc., and alarm unit 80 can be beeped, dodged
Bright light shows that the modes such as alarming sign remind user by display screen.
Thus, the washing machine 200 of the embodiment of the present invention is in the event of tub-impact phenomenon in dehydration, and control unit 40 is then
First control washing machine 200 is corrected automatically, if automatic trimming process reaches preset times, control unit 40 then controls alarm
Unit 80 is alarmed.
It should be noted that in one embodiment of the invention, washing machine 200 also includes, door of washing machine detection unit,
Door of washing machine detection unit is connected with control unit 40, and door of washing machine detection unit is used to detect the state of door of washing machine, when washing
When clothing gate detection unit detects door of washing machine opening, control unit 40 can control the stop alarm of alarm unit 40, i.e., speech is washed
Clothing gate, which is opened, releases alarm.
In summary, the washing machine proposed according to embodiments of the present invention, passes through the tub-impact detector for washing machine
Control unit judges whether washing machine hits bucket when washing machine is dehydrated, and the control driving when washing machine is hit barrel
Unit is stopped, and controls washing machine to be intake, washed and draining successively after driver element is stopped, and is washing
Washing machine is controlled to re-start dehydration after the completion of clothing machine draining, so that, it can judge whether to hit bucket by magnetic induction principle, examine
Survey precision high, it is to avoid the failure of imbalance detection, and can be taken measures in time when washing machine is hit barrel, it is to avoid hit bucket to
Washing machine brings displacement or topples over phenomenon.
Fig. 7 is the flow chart for hitting barrel detection method for washing machine according to embodiments of the present invention.Wherein, washing machine bag
The magnet on the steel ladle that washing machine is set is included, the magnetic induction device on the casing of washing machine is arranged on, magnetic induction device is relative
Set in magnet, magnetic induction device is used to sense the magnet in magnetic induction device preset range, as shown in fig. 7, this is used for
A barrel detection method of hitting for washing machine comprises the following steps：
S1：Whether detection magnetic sensing device senses magnet to generate detection signal.
It should be appreciated that when magnet is in the preset range of magnetic induction device, magnetic induction device senses magnet,
Detection unit generates first detection signal when magnetic induction device senses magnet；When magnet is in the default model of magnetic induction device
When outside enclosing, magnetic induction device is not sensed by magnet, and detection unit generates the second inspection when magnetic induction device is not sensed by magnet
Survey signal.
S2：Judge whether washing machine hits bucket according to detection signal.
Specifically, in washing machine running, the interior bucket rotation of steel ladle is arranged at, steel ladle is motionless, works as washing machine
When not hitting barrel, the relative position of magnet and magnetic induction device is relatively fixed, i.e., magnet is in the default model of magnetic induction device
In enclosing, magnetic induction device can sense magnet, the first detection signal that now detection unit is continuously generated, and washing machine hits barreled
The first detection signal i.e. detection unit that putting can be continuously generated according to detection unit does not generate the second detection signal and judges washing machine
Bucket is not hit；When washing machine is hit barrel, the position of steel ladle shifts, correspondingly, magnet and magnetic induction device
Relative position shifts, and not within a preset range, the sensing of magnetic induction device is less than magnet, now detection unit for magnetic induction device
Second detection signal of generation, the second detection signal that barrel can generate according to detection unit that hits of washing machine judges washing machine
Hit bucket.
Thus, in an embodiment of the present invention, washing machine hits the detection signal that barrel can be generated according to detection unit
Judge whether washing machine hits bucket.
Further, according to one embodiment of present invention, when in detection signal the low level duration be more than it is default
During threshold value, judge that washing machine hits bucket.
Wherein, predetermined threshold value can be pre-stored in the hitting in barrel of washing machine.
Specifically, when the clothing in washing machine inner tub is in poised state, tongue tube 70 is sustainable to sense default model
Interior magnet is enclosed, and is in the presence of magnet attracting state, now detection unit is continuously generated first detection signal for example
High level, the second detection signal such as low level is not generated；When clothing in washing machine inner tub is in lack of equilibrium state, due to inclined
Heart principle, the steel ladle of washing machine can occur left and right, front and rear etc. and rock, and then cause magnet the feelings for deviateing magnetic induction device occur
Condition so that magnetic induction device is sensed less than magnet, and tongue tube 70 is off, now detection unit generation the second detection letter
Number such as low level (as shown in Figure 4).
Thus, the detection signal that hits barrel and can be generated according to detection unit of washing machine judges that the steel ladle of washing machine is
It is no be in poised state, that is, say, washing machine hit barrel can detection unit generate low level signal when judge washing machine Sheng
Bucket is in lack of equilibrium state, and judges that washing machine hits bucket when the duration of the state being more than predetermined threshold value.Change
Yan Zhi, when the time that tongue tube disconnects reaching predetermined threshold value, the barrel that hits of washing machine judges that washing machine hits bucket.
In summary, what is proposed according to embodiments of the present invention hits a barrel detection method for washing machine, and magnetic strength is detected first
Answer whether device senses magnet to generate detection signal, judge whether washing machine hits bucket then according to detection signal, from
And can by can magnetic induction principle judge whether to hit bucket, accuracy of detection is high, it is to avoid the failure of imbalance detection, also, uses
Install simple in the tub-impact detector of washing machine, it is easy to accomplish.
Fig. 8 is the flow chart of the control method of washing machine according to embodiments of the present invention.As shown in figure 8, the washing machine
Control method comprises the following steps：
S11：Control washing machine is dehydrated.
Wherein, the process that washing machine is dehydrated takes off and long de- process between being divided into.
S12：The laundry that barrel detection method judges washing machine of hitting of washing machine is previously described for when washing machine is dehydrated
Whether machine hits bucket.
If it is to be appreciated that washing machine, which carries out dehydration, does not hit bucket, after dewatering time is reached, tied
Beam washing machine dehydration procedure；If washing machine carries out dehydration and hits bucket, step S13 is performed.
S13：When washing machine is hit barrel, the driver element of control washing machine is stopped to drive interior bucket to stop operating.
Wherein, driver element driving washing machine inner tub is rotated, it may include motor retractor and motor load, when washing machine hair
Raw control driver element is stopped when hitting barrel, that is, closes motor retractor and motor load, and then bucket stops turning in driving
It is dynamic.
S14：Washing machine is controlled to be intake, washed and draining successively after driver element is stopped, and in washing machine
Washing machine is controlled to re-start dehydration after the completion of draining.
It should be noted that after control driver element is stopped, then control washing machine inflow, and in water inlet to setting
Determine to control washing machine to be washed after water level, and after washing preset time is, for example, 1min, control washing machine carries out draining, and
After the completion of draining, then washing machine is controlled to re-start dehydration, to detect whether washing machine occurs again in dehydration
Hit bucket.
, wherein it is desired to which explanation, setting water level and preset time can be demarcated according to actual conditions.
According to one embodiment of present invention, the control method of washing machine also includes：The number of times of bucket is hit in washing machine
When reaching preset times, the alarm unit of control washing machine is alarmed.
Wherein, preset times can be 3 times.
For example, in washing machine carries out dehydration, the tub-impact detector of washing machine is according to the inspection of detection unit
Survey signal and judge that washing machine hits bucket for the first time, then control driver element to be stopped, and control washing machine to carry out successively
Water inlet, washing and drainage procedure, after the completion of drainage procedure, control washing machine re-starts dehydration.As described above, repeating above-mentioned
When process reaches preset times, that is, say, when the tub-impact detector of washing machine judges that what washing machine occurred in dehydration hits
When bucket number of times reaches preset times such as 3 times, in other words, the tub-impact detector continuous control control washing machine of washing machine is successively
Intake, washed and drainage procedure reaches more than 3 times, then control alarm unit to be alarmed.
Wherein, alarm unit can be buzzer, flash lamp or display screen etc., and alarm unit can beep, flashing lamp
Light shows that the modes such as alarming sign remind user by display screen.
Thus, the washing machine of the embodiment of the present invention is in the event of tub-impact phenomenon in dehydration, and the bucket that hits of washing machine is examined
Surveying device, then first control washing machine is corrected automatically, if automatic trimming process reaches preset times, the bucket that hits of washing machine is examined
Surveying device then controls alarm unit to be alarmed.
Fig. 9 is the flow chart of the control method of the washing machine according to a specific embodiment of the invention.As shown in figure 9, should
The control method of washing machine comprises the following steps：
S101：Start, run washing machine dehydration procedure.
S102：Judge whether washing machine hits bucket.
If it is, performing step S103；If it is not, then performing step S107.
S103：Judgement hits whether barrel number of times reaches preset times.
If it is, performing step S108；If it is not, then performing step S104.
S104：Control driver element is stopped.
S105：Control washing machine is intake, washed and drainage procedure successively.
S106：Judge whether washing machine drainage completes.
If it is, return to step S101；If it is not, then performing step S106.
S107：Judge whether to reach dewatering time.
If it is, terminating；If it is not, then return to step S101.
S108：Control alarm unit is alarmed.
S109：Judge whether door of washing machine is opened.
If it is, return to step S101；If it is not, then return to step S108.
It should be noted that in one embodiment of the invention, the controllable alarm when detecting door of washing machine and opening
Unit stop alarm, that is, say that door of washing machine is opened and release alarm.
In summary, the control method of the washing machine proposed according to embodiments of the present invention, controls washing machine to be taken off first
Water, then judges whether washing machine occurs when washing machine is dehydrated according to the above-mentioned barrel detection method of hitting for washing machine
Hit bucket, and when washing machine is hit barrel, the driver element of control washing machine is stopped to drive interior bucket to stop operating, and enters
And control washing machine to be intake, washed and draining successively after driver element is stopped, and after the completion of washing machine drainage
Control washing machine re-starts dehydration, and so as to judge whether to hit bucket by magnetic induction principle, accuracy of detection is high, it is to avoid no
The failure of balance detection, and can be taken measures in time when washing machine is hit barrel, it is to avoid hit bucket and bring displacement to washing machine
Or topple over phenomenon.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (12)
1. a kind of tub-impact detector (100) for washing machine, it is characterised in that including：
Magnet (10) on the steel ladle (101) of the washing machine is set；
The magnetic induction device (20) on the casing of the washing machine (102) is arranged on, the magnetic induction device (20) is relative to institute
Magnet (10) setting is stated, the magnetic induction device (20) is used to sense the institute in magnetic induction device (20) preset range
State magnet (10)；
Detection unit (30), the detection unit (30) is connected with the magnetic induction device (20), and the detection unit (30) is used
In detecting whether the magnetic induction device (20) senses magnet (10) to generate detection signal；
Control unit (40), described control unit (40) is connected with the detection unit (30), and described control unit (40) is used for
Judge whether the washing machine hits bucket according to the detection signal.
2. the tub-impact detector (100) according to claim 1 for washing machine, it is characterised in that the magnetic induction
Device (20) is tongue tube (70).
3. the tub-impact detector (100) according to claim 2 for washing machine, it is characterised in that the detection is single
First (30) include：
First diode (D1), the anode of first diode (D1) is connected with default power supply (VCC), first diode
(D1) negative electrode is connected with the one end of the tongue tube (70)；
First resistor (R1), one end of the first resistor (R1) is connected with the other end of the tongue tube (70)；
Second resistance (R2), one section of the second resistance (R2) is connected with the other end of the first resistor (R1), and described
The other end ground connection of two resistance (R2), has node (A) between the first resistor (R1) and the second resistance (R2), described
Node (A) is connected with described control unit (40).
4. the tub-impact detector (100) according to claim 3 for washing machine, it is characterised in that the detection is single
First (30) also include：
First electric capacity (C1), one end of first electric capacity (C1) is connected with the node (A), first electric capacity (C1) it is another
One end is grounded.
5. the tub-impact detector (100) according to claim 3 for washing machine, it is characterised in that the detection is single
First (30) also include：
Second diode (D2), anode and the first resistor (R1) and the tongue tube (70) of second diode (D2)
The other end be respectively connected with, the negative electrode of second diode (D2) is connected with the default power supply (VCC).
6. the tub-impact detector (100) for washing machine according to any one of claim 3-5, it is characterised in that
Described control unit (40) is used to wash described in judgement when the low level duration is more than predetermined threshold value in the detection signal
Clothing machine hits bucket.
7. a kind of washing machine (200), it is characterised in that including：
Interior bucket (50)；
Driver element (60), the driver element (60) is connected with the interior bucket (50), and the driver element (60) is used to drive
The interior bucket (50) rotates；
The tub-impact detector (100) for washing machine according to any one of claim 1-6, it is described to be used for washing machine
The control unit (40) of tub-impact detector (100) be connected with the driver element (60), described control unit (40) is used for
Judge whether the washing machine (200) hits bucket when the washing machine (200) is dehydrated, and in the washing machine
(200) driver element (60) is controlled to be stopped when hitting barrel, and after the driver element (60) is stopped
Control the washing machine (200) to be intake, washed and draining successively, and controlled after the completion of the washing machine (200) draining
The washing machine (200) re-starts dehydration.
8. washing machine (200) according to claim 7, it is characterised in that also include：
Alarm unit (80), the alarm unit (80) is connected with described control unit (40), and described control unit (40) is used for
The number of times for hitting bucket in the washing machine (200) controls the alarm unit (80) to be alarmed when reaching preset times.
9. a kind of hit a barrel detection method for washing machine, it is characterised in that the washing machine includes setting the washing machine
Magnet on steel ladle, is arranged on the magnetic induction device on the casing of the washing machine, the magnetic induction device is relative to described
Magnet is set, and the magnetic induction device is used to sense the magnet in the magnetic induction device preset range, the side
Method comprises the following steps：
Detect whether the magnetic induction device senses magnet to generate detection signal；
Judge whether the washing machine hits bucket according to the detection signal.
10. according to claim 9 hit a barrel detection method for washing machine, it is characterised in that
When the low level duration is more than predetermined threshold value in the detection signal, judge that the washing machine hits bucket.
11. a kind of control method of washing machine, it is characterised in that comprise the following steps：
The washing machine is controlled to be dehydrated；
Barrel detection method of hitting for being used for washing machine when the washing machine is dehydrated according to claim 9 or 10 judges
Whether the washing machine hits bucket；
The driver element of the washing machine is controlled to be stopped to drive the washing machine when the washing machine is hit barrel
Interior bucket stops operating；
Control the washing machine to be intake, washed and draining successively after the driver element is stopped, and washed described
The washing machine is controlled to re-start dehydration after the completion of clothing machine draining.
12. the control method of washing machine according to claim 11, it is characterised in that also include：
When the number of times for hitting bucket in the washing machine reaches preset times, the alarm unit of the washing machine is controlled to be reported
It is alert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710277964.4A CN107090695A (en) | 2017-04-25 | 2017-04-25 | Washing machine and its control method, tub-impact detector, hit a barrel detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710277964.4A CN107090695A (en) | 2017-04-25 | 2017-04-25 | Washing machine and its control method, tub-impact detector, hit a barrel detection method |
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| CN107090695A true CN107090695A (en) | 2017-08-25 |
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| CN201710277964.4A Pending CN107090695A (en) | 2017-04-25 | 2017-04-25 | Washing machine and its control method, tub-impact detector, hit a barrel detection method |
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| CN107805911A (en) * | 2017-10-20 | 2018-03-16 | 青岛海尔洗衣机有限公司 | Control method for washing machine |
| CN109183352A (en) * | 2018-10-24 | 2019-01-11 | 青岛海尔洗衣机有限公司 | Washing facility and its control method |
| CN111172708A (en) * | 2018-10-24 | 2020-05-19 | 青岛海尔洗衣机有限公司 | Washing apparatus and control method thereof |
| CN111364209A (en) * | 2018-12-06 | 2020-07-03 | Tcl家用电器（合肥）有限公司 | Washing barrel assembly and washing machine |
| CN111764109A (en) * | 2019-03-13 | 2020-10-13 | 青岛海尔洗衣机有限公司 | Balance ring liquid leakage detection method and device and washing machine |
| CN113417111A (en) * | 2021-07-23 | 2021-09-21 | 珠海格力电器股份有限公司 | Washing machine and control method |
| CN113699745A (en) * | 2020-05-20 | 2021-11-26 | 青岛海尔滚筒洗衣机有限公司 | Pulsator washing machine |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107805911A (en) * | 2017-10-20 | 2018-03-16 | 青岛海尔洗衣机有限公司 | Control method for washing machine |
| CN109183352A (en) * | 2018-10-24 | 2019-01-11 | 青岛海尔洗衣机有限公司 | Washing facility and its control method |
| CN111172708A (en) * | 2018-10-24 | 2020-05-19 | 青岛海尔洗衣机有限公司 | Washing apparatus and control method thereof |
| CN111364209A (en) * | 2018-12-06 | 2020-07-03 | Tcl家用电器（合肥）有限公司 | Washing barrel assembly and washing machine |
| CN111364209B (en) * | 2018-12-06 | 2022-07-08 | Tcl家用电器（合肥）有限公司 | Washing barrel assembly and washing machine |
| CN111764109A (en) * | 2019-03-13 | 2020-10-13 | 青岛海尔洗衣机有限公司 | Balance ring liquid leakage detection method and device and washing machine |
| CN111764109B (en) * | 2019-03-13 | 2022-11-15 | 青岛海尔洗衣机有限公司 | Balance ring liquid leakage detection method and device and washing machine |
| CN113699745A (en) * | 2020-05-20 | 2021-11-26 | 青岛海尔滚筒洗衣机有限公司 | Pulsator washing machine |
| CN113417111A (en) * | 2021-07-23 | 2021-09-21 | 珠海格力电器股份有限公司 | Washing machine and control method |
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Application publication date: 20170825 |