CN107034621A - Washing machine and its tub-impact detector and method - Google Patents
Washing machine and its tub-impact detector and method Download PDFInfo
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- CN107034621A CN107034621A CN201710331124.1A CN201710331124A CN107034621A CN 107034621 A CN107034621 A CN 107034621A CN 201710331124 A CN201710331124 A CN 201710331124A CN 107034621 A CN107034621 A CN 107034621A
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- washing machine
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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
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- D06F2202/12—
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Abstract
The invention discloses a kind of washing machine and its tub-impact detector and method, wherein, the tub-impact detector, including：Photoelectric coupling detection components, photoelectric coupling detection components include the first coupling element and the second coupling element, first coupling element is arranged on the outside of the interior bucket of washing machine, second coupling element is arranged on the box inside of washing machine, and match setting with the first coupling element, by photoelectric coupling to carry out signal transmission between the first coupling element and the second coupling element；Circuit is detected, detection circuit is connected with the second coupling element, detection circuit is used for according to the coupling condition generation detection signal between the first coupling element and the second coupling element；Controller, controller is connected with detection circuit, and controller is used to judge whether washing machine occurs tub-impact phenomenon according to detection signal.According to the tub-impact detector of the present invention, the tub-impact phenomenon that washing machine occurs can be detected exactly, and reliability is higher.
Description
Technical field
The present invention relates to washing technical field of electric appliances, more particularly to a kind of tub-impact detector of washing machine, a kind of laundry
Machine and a kind of washing machine hit a barrel detection method.
Background technology
Washing machine is when performing washing procedure or dehydration procedure, if the load in interior bucket is as washed clothing skewness,
Then interior bucket can have eccentric load, interior bucket imbalance will be caused such as to shift, or even occur tub-impact phenomenon.Washing machine persistently occurs
Tub-impact phenomenon can cause washing machine can not normal work, or even washing machine can be made to be damaged.
At present, washing machine can mechanically hit bucket switch to judge whether to occur tub-impact phenomenon by installation, to occur
The phenomenon is corrected during tub-impact phenomenon by intaking, washing machine is able to maintain that normal work.But, using mechanically hitting bucket
Switch to judge whether to occur during tub-impact phenomenon, to be influenceed due to the production precision by itself and in whole machine installation precision,
The mechanical bucket switch that hits can be caused to judge whether tub-impact phenomenon occur exactly.In addition, the mechanical bucket switch that hits exists
After long-time use, the problem of its associated components may occur in which loose will reduce the mechanical sensitivity for hitting bucket switch.So as to lead
Cause can not judge whether washing machine tub-impact phenomenon occurs.
Therefore, needing proposition badly a kind of can accurately detect the scheme of tub-impact phenomenon.
The content of the invention
It is contemplated that at least solving one of technical problem in above-mentioned technology to a certain extent.
Therefore, it is an object of the present invention to propose a kind of tub-impact detector of washing machine, it can be examined exactly
The tub-impact phenomenon of washing machine generation is measured, reliability is higher.
Second object of the present invention is to propose a kind of washing machine.
What third object of the present invention was to propose a kind of washing machine hits a barrel detection method.
To reach above-mentioned purpose, first aspect present invention embodiment proposes a kind of tub-impact detector of washing machine, bag
Include：Photoelectric coupling detection components, the photoelectric coupling detection components include the first coupling element and the second coupling element, described the
One coupling element is arranged on the outside of the interior bucket of the washing machine, and second coupling element is arranged in the casing of the washing machine
Side, and match setting with first coupling element, pass through between first coupling element and second coupling element
Photoelectric coupling is to carry out signal transmission；Circuit is detected, the detection circuit is connected with second coupling element, the detection electricity
Road is used for according to the coupling condition generation detection signal between first coupling element and second coupling element；Control
Device, the controller is connected with the detection circuit, and the controller is used to judge the washing machine according to the detection signal
Whether tub-impact phenomenon is occurred.
The tub-impact detector of washing machine according to embodiments of the present invention, photoelectric coupling detection components include being arranged on laundry
Second coupling element of the first coupling element and the box inside for being arranged on washing machine on the outside of the interior bucket of machine, the first coupling element
And second between coupling element by photoelectric coupling to carry out signal transmission, by detecting circuit according to the first coupling element and
Coupling condition generation detection signal between two coupling elements, and judge whether washing machine is sent out according to detection signal by controller
Raw tub-impact phenomenon.The device, the tub-impact phenomenon that washing machine occurs can be detected exactly, and reliability is higher, consequently facilitating
Washing machine occurs to take appropriate measures in time during tub-impact phenomenon, the normal operation of washing machine is effectively ensured, and can extend and wash
The service life of clothing machine.
In addition, the tub-impact detector of the washing machine proposed according to the above embodiment of the present invention can also have following add
Technical characteristic：
According to one embodiment of present invention, first coupling element is light emitting diode, second coupling element
For phototriode.
According to one embodiment of present invention, the anode phase of the colelctor electrode of the phototriode and the light emitting diode
Default power supply is connected to after even, wherein, the detection circuit includes：First resistor, one end of the first resistor and the light
The emitter stage of quick triode is connected, and the other end of the first resistor is connected with the controller；Second resistance, second electricity
One end of resistance is connected with one end of the first resistor, the other end ground connection of the second resistance；First diode, described first
The anode of diode is connected with the other end of the first resistor, and the negative electrode of first diode is connected to the default electricity
Source；Second diode, the negative electrode of second diode is connected with the anode of first diode, second diode
Plus earth；First electric capacity, one end of first electric capacity is connected with the negative electrode of second diode, first electric capacity
The other end is grounded.
According to one embodiment of present invention, the tub-impact detector of described washing machine also includes：Drive circuit, it is described
Drive circuit is connected with the negative electrode and the controller of the light emitting diode respectively, and the drive circuit is used in the control
The light emitting diode is driven to be lighted under the control of device, wherein, the detection circuit is received in the phototriode
High level signal is generated during the light that the light emitting diode is sent, and described luminous two are not received in the phototriode
Low level signal is generated during the light that pole pipe is sent.
According to one embodiment of present invention, the drive circuit includes：3rd resistor, one end of the 3rd resistor with
The controller is connected；4th resistance, one end of the 4th resistance is connected with the negative electrode of the light emitting diode；One or three pole
Pipe, the base stage of first triode is connected with the other end of the 3rd resistor, the colelctor electrode of first triode and institute
The other end for stating the 4th resistance is connected, the grounded emitter of first triode.
According to one embodiment of present invention, the controller is used to be judged according to the duration of the low level signal
Whether the washing machine occurs tub-impact phenomenon.
According to one embodiment of present invention, in the dehydration of the washing machine, if the washing machine is hit
Bucket phenomenon, the controller then controls the tractor and motor of the washing machine to close, and controls the washing machine to be balanced
Wash, be corrected with the off-center operation state to the washing machine.
According to one embodiment of present invention, the controller is additionally operable to judge that time of tub-impact phenomenon occurs for the washing machine
Whether number reaches preset times, and controls the laundry when the number of times that tub-impact phenomenon occurs for the washing machine reaches preset times
Machine sends prompt messages.
To reach above-mentioned purpose, second aspect of the present invention embodiment proposes a kind of washing machine, and it includes above-mentioned laundry
The tub-impact detector of machine.
Washing machine according to embodiments of the present invention, using the tub-impact detector of above-mentioned washing machine, can be examined exactly
The tub-impact phenomenon of generation is measured, reliability is higher, consequently facilitating being taken appropriate measures in time when occurring tub-impact phenomenon, effectively
Ensure normal operation, and can increase the service life.
To reach above-mentioned purpose, third aspect present invention embodiment proposes a barrel detection method of hitting for a kind of washing machine, institute
The first coupling element is provided with the outside of the interior bucket for stating washing machine, the box inside of the washing machine is provided with the second coupling element,
And second coupling element and first coupling element match setting, first coupling element is coupled with described second
By photoelectric coupling to carry out signal transmission between element, barrel detection method of hitting comprises the following steps：According to described first
Coupling condition generation detection signal between coupling element and second coupling element；According to judging the detection signal
Whether washing machine occurs tub-impact phenomenon.
Washing machine according to embodiments of the present invention hits a barrel detection method, first, according to the first coupling element and the second coupling
The coupling condition generation detection signal between element is closed, then, judges whether washing machine occurs tub-impact phenomenon according to detection signal.
This method, the tub-impact phenomenon that washing machine occurs can be detected exactly, reliability is higher, consequently facilitating being hit in washing machine
Taken appropriate measures in time during bucket phenomenon, the normal operation of washing machine is effectively ensured, and the use longevity of washing machine can be extended
Life.
In addition, the tub-impact detector of the washing machine proposed according to the above embodiment of the present invention can also have following add
Technical characteristic：
According to one embodiment of present invention, first coupling element is light emitting diode, second coupling element
For phototriode.
According to one embodiment of present invention, described washing machine hits a barrel detection method, in addition to：Driving is described luminous
Diode is lighted, wherein, the high electricity of generation when the phototriode receives the light that the light emitting diode sends
Ordinary mail number, and generate low level signal when the phototriode does not receive the light that the light emitting diode sends.
According to one embodiment of present invention, whether the washing machine is judged according to the duration of the low level signal
Generation tub-impact phenomenon.
According to one embodiment of present invention, in the dehydration of the washing machine, if the washing machine is hit
Bucket phenomenon, then control the tractor and motor of the washing machine to close, and controls the washing machine to be balanced to wash, with to described
The off-center operation state of washing machine is corrected.
According to one embodiment of present invention, in the dehydration of the washing machine, in addition to：Judge the washing machine
Whether the number of times for occurring tub-impact phenomenon reaches preset times, and is reached default time in the number of times that tub-impact phenomenon occurs for the washing machine
The washing machine is controlled to send prompt messages during number.
Brief description of the drawings
Fig. 1 is the block diagram of the tub-impact detector of washing machine according to embodiments of the present invention；
Fig. 2 is installation site signal of the photoelectric coupling detection components according to an embodiment of the invention on washing machine
Figure；
Fig. 3 is the structural representation of the tub-impact detector of washing machine according to embodiments of the present invention；
Fig. 4 is washing machine normal condition according to an embodiment of the invention and hits the detection signal time ratio under tubbiness state
The oscillogram of example；
Fig. 5 is the flow that the off-center operation state according to an embodiment of the invention to washing machine is corrected
Figure；
Fig. 6 is that washing machine occurs the flow chart that three tub-impact phenomenons are handled according to one embodiment of the invention；
Fig. 7 is the block diagram of washing machine according to embodiments of the present invention；And
Fig. 8 is the flow chart for hitting barrel detection method of washing machine according to embodiments of the present 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.
The washing machine and its tub-impact detector and method of the embodiment of the present invention described below in conjunction with the accompanying drawings.
Fig. 1 is the block diagram of the tub-impact detector of washing machine according to embodiments of the present invention.
It should be noted that the washing machine of the embodiment of the present invention can be rotary drum washing machine or washing-drying integral machine etc., close below
All it be may be regarded as in further illustrating for washing machine by taking rotary drum washing machine as an example.
As shown in figure 1, the tub-impact detector of the washing machine of the embodiment of the present invention may include photoelectric coupling detection components 10,
Detect circuit 20 and controller 30.
Wherein, photoelectric coupling detection components 10 may include the first coupling element 11 and the second coupling element 12, such as Fig. 2 institutes
Show, the first coupling element 11 may be provided on the outside of the interior bucket of washing machine, the second coupling element 12 may be provided at the casing of washing machine
Inner side, and match setting with the first coupling element 11, pass through photoelectricity between the first coupling element 11 and the second coupling element 12
Couple to carry out signal transmission.Detection circuit 20 is connected with the second coupling element 12, and detection circuit 20 is used for according to the first coupling
Coupling condition generation detection signal between the coupling element 12 of element 11 and second.Controller 30 is connected with detection circuit 20, controls
Device 30 processed is used to judge whether washing machine occurs tub-impact phenomenon according to detection signal.
In one embodiment of the invention, as shown in figure 3, the first coupling element 11 can be LED, second
Coupling element 12 can be phototriode VT.Wherein, phototriode VT colelctor electrode is connected with the anode of LED
Default power supply VCC (such as 5V) is connected to by binding post CN1 1 terminal afterwards.
Specifically, user can optionally control washing machine to perform the program, washing machine such as washing and/or dehydration as needed
When performing washing and/or dehydration procedure, it is interval or the working condition for being constantly in rotation that washing machine, which fills loaded interior bucket,.
During washing machine inner tub is rotated, if LED aligns with phototriode VT, phototriode VT can
The optical signal that LED is sent is received, and then phototriode VT is turned on, can be by detecting that circuit 20 generates high electricity
Flat detection signal.If LED deviates with phototriode VT, phototriode VT does not receive light-emitting diodes
The optical signal that pipe LED is sent, and then phototriode VT is not turned on, and can detect signal by detecting that circuit 20 generates low level.
The interior bucket of washing machine may occur in which rocking for different amplitudes during rotation.If interior bucket is in normal condition,
Then bucket was rotated in the time of one week inside, and LED has certain time alignment, detection electricity with phototriode VT
The time scale of the generation of road 20 low and high level detection signal can be as shown in Fig. 4 (a).If significantly rocking such as hair occurs in interior bucket
Raw tub-impact phenomenon, i.e., in tubbiness state is hit, then LED is relative with the time that phototriode VT aligns shortens, and
The relative extension of the time of deviation, the time scale of the detection generation low and high level detection signal of circuit 20 can be as shown in Fig. 4 (b).Cause
This, in one embodiment of the invention, controller 30 can judge whether washing machine is sent out according to the duration of low level signal
Raw tub-impact phenomenon.
In one embodiment of the invention, as shown in figure 3, detection circuit 20 may include first resistor R1, second resistance
R2, the first diode D1, the second diode D2 and the first electric capacity C1.Wherein, first resistor R1 one end passes through binding post CN1
2 terminals be connected with phototriode VT emitter stage, the first resistor R1 other end passes through MCU_SENSE ports and controller
30 are connected.Second resistance R2 one end is connected with first resistor R1 one end, second resistance R2 other end ground connection GND.First
Diode D1 anode is connected with the first resistor R1 other end, and the first diode D1 negative electrode is connected to default power supply VCC (such as
5V).Second diode D2 negative electrode is connected with the first diode D1 anode, and with first node J1, the second diode D2
Plus earth GND.First electric capacity C1 one end is connected with the second diode D2 negative electrode, the first electric capacity C1 other end ground connection
GND。
Specifically, when phototriode VT is turned on, signal can be detected by detecting that circuit 20 generates high level, and in light
When quick triode VT is not turned on, signal can be detected by detecting that circuit 20 generates low level.Turned in phototriode VT, and the
When the magnitude of voltage that one node J1 is produced is more than predeterminated voltage VCC and the first diode D1 conduction voltage drop sums, the first diode D1
Conducting, the voltage of output can clamper in predeterminated voltage VCC and the first diode D1 conduction voltage drop sums.And in phototriode VT
It is not turned on, and the magnitudes of voltage that produce of first node J1 are when being less than the difference of 0 current potential and the second diode D2 conduction voltage drops, the two or two pole
Pipe D2 is turned on, and the voltage clamping of output is in the difference of 0 current potential and the second diode D2 conduction voltage drops, thereby, it is possible to avoid magnitude of voltage
It is too high to cause controller to damage.
In one embodiment of the invention, as shown in figure 3, the tub-impact detector of above-mentioned washing machine may also include drive
Dynamic circuit 40.Drive circuit 40 is connected with the negative electrode and controller 30 of LED respectively, and drive circuit 40 is used in control
LED is driven to be lighted under the control of device 30 processed, wherein, detection circuit 20 receives hair in phototriode VT
High level signal is generated during the light that optical diode LED is sent, and LED hair is not received in phototriode VT
Low level signal is generated during the light gone out.
In one embodiment of the invention, as shown in figure 4, drive circuit 40 may include 3rd resistor R3, the 4th resistance
R4 and the first triode Q1.Wherein, 3rd resistor R3 one end is connected by MCU_DRIVER ports with controller 30.4th electricity
Resistance R4 one end is connected by binding post CN1 3 terminals with the negative electrode of LED.First triode Q1 base stage
It is connected with the 3rd resistor R3 other end, the first triode Q1 colelctor electrode is connected with the 4th resistance R4 other end, the one or three
Pole pipe Q1 grounded emitter GND.
Washing machine can export high when performing washing and/or dehydration procedure by the MCU_DRIVER ports of controller 30
Level signal, the first triode Q1 conductings, and then drive LED to be lighted.Detect circuit 20 in photosensitive three pole
Pipe VT generates high level signal when receiving the light that LED sends, and does not receive hair in phototriode VT
Low level signal is generated during the light that optical diode LED is sent, controller 30 can judge according to the duration of low level signal
Whether washing machine occurs tub-impact phenomenon, thereby, it is possible to detect the tub-impact phenomenon of washing machine generation exactly, and reliability is higher,
Consequently facilitating being taken appropriate measures in time when tub-impact phenomenon occurs for washing machine, effectively ensure the normal operation of washing machine,
And the service life of washing machine can be extended.
Three tub-impact phenomenons of off-center operation state and generation separately below for washing machine take corresponding measure.
In the dehydration of washing machine, if tub-impact phenomenon occurs for washing machine, controller 30 then controls leading for washing machine
Lead device and motor are closed, and control washing machine to be balanced to wash, be corrected with the off-center operation state to washing machine.
As shown in figure 5, the off-center operation state to washing machine of the embodiment of the present invention, which is corrected, may include following step
Suddenly：
S501, washing machine performs dehydration procedure.
S502, judges whether occur tub-impact phenomenon.If it is, performing step S503；If not, return to step S501.
S503, controls the tractor and motor of washing machine to close.
S504, water inlet to setting water level.
S505, washing to default time such as 1 minute.
S506, control washing machine, which is balanced, to be washed.
S507, judges whether to complete draining.If it is, return to step S501；If not, then performing step S507.Need
It is noted that the process that step S503-S507 is washing machine to be corrected automatically.
S508, judges whether to reach the time of default dehydration procedure setting.If it is, terminating dehydration procedure；If not,
Return to step S501.
In a single dehydration, when can not be to the imbalance of washing machine by above-mentioned steps S503-S507
State carries out automatic timing, can also judge whether the number of times that tub-impact phenomenon occurs for washing machine reaches default time by controller 30
Number, and control washing machine sends prompt messages when the number of times that tub-impact phenomenon occurs for washing machine reaches preset times, for example,
Prompt messages can be sent by acousto-optic.Wherein, preset times can be set according to actual conditions, for example, three can be set to
It is secondary.
As shown in fig. 6, the embodiment of the present invention washing machine occurs the flow chart of three tub-impact phenomenon processing, it may include following
Step：
S601, performs single dehydration procedure.
S602, judges whether occur three tub-impact phenomenons.If it is, performing step S603；If not, performing step
S604。
S603, sends prompt messages.
S604, uneven automatic correction.
S605, judges whether to release alarm by door folding.If it is, return to step S601；If not, returning to step
Rapid S603.
S606, judges whether to reach dewatering time.Terminate if it is, performing；If not, return to step S601.
It should be noted that the parameter of each component in Fig. 3 of the embodiment of the present invention can be entered according to actual needs
Row setting, for example, first resistor R1 can be 150 ohm, second resistance R2 can be 5.6K ohm, and 3rd resistor R3 can be 4.7K Europe
Nurse, the 4th resistance R4 can be 150 ohm, and the first electric capacity C1 can be 0.1uF.
In summary, the tub-impact detector of washing machine according to embodiments of the present invention, photoelectric coupling detection components include
Second coupling element of the first coupling element and the box inside for being arranged on washing machine that are arranged on the outside of the interior bucket of washing machine, the
By photoelectric coupling to carry out signal transmission between one coupling element and the second coupling element, by detecting circuit according to the first coupling
The coupling condition generation detection signal between element and the second coupling element is closed, and judges to wash according to detection signal by controller
Whether clothing machine occurs tub-impact phenomenon.The device can detect the tub-impact phenomenon that washing machine occurs exactly, and reliability is higher, from
And be easy to take appropriate measures in time when tub-impact phenomenon occurs for washing machine, the normal operation of washing machine, and energy is effectively ensured
Enough extend the service life of washing machine.
Based on above-described embodiment, the invention also provides a kind of washing machine 1000.
Fig. 7 is the block diagram of washing machine according to embodiments of the present invention.As shown in fig. 7, the embodiment of the present invention is washed
Clothing machine 1000 may include the tub-impact detector 100 of above-mentioned washing machine.
It should be noted that the details not disclosed in the washing machine 1000 of the embodiment of the present invention, refer to implementation of the present invention
Details disclosed in the tub-impact detector 1000 of the washing machine of example, specific I will not elaborate.
Washing machine according to embodiments of the present invention, using the tub-impact detector of above-mentioned washing machine, can be examined exactly
The tub-impact phenomenon of generation is measured, reliability is higher, consequently facilitating being taken appropriate measures in time when occurring tub-impact phenomenon, effectively
Ensure normal operation, and can increase the service life.
Fig. 8 is the flow chart for hitting barrel detection method of washing machine according to embodiments of the present invention.
In an embodiment of the present invention, it is settable on the outside of the interior bucket of washing machine to have the first coupling element, the casing of washing machine
Inner side is settable the second coupling element, and the second coupling element and the first coupling element match setting, the first coupling element
By photoelectric coupling to carry out signal transmission between the second coupling element.Wherein, the first coupling element can be light emitting diode,
Second coupling element can be phototriode.
As shown in figure 8, the washing machine of the embodiment of the present invention hits a barrel detection method, it may include following steps：
S1, according to the coupling condition generation detection signal between the first coupling element and the second coupling element.
In one embodiment of the invention, light emitting diode can be driven to be lighted, wherein, received in phototriode
High level signal is generated during the light sent to light emitting diode, and does not receive what light emitting diode was sent in phototriode
Low level signal is generated during light.
It is appreciated that user can optionally control washing machine to perform the program such as washing and/or dehydration, laundry as needed
Machine is when performing washing and/or dehydration procedure, and it is interval or the work shape for being constantly in rotation that washing machine, which fills loaded interior bucket,
State.During washing machine inner tub is rotated, high level signal driving light emitting diode can be sent by controller and is lighted,
If light emitting diode aligns with phototriode, phototriode can receive the optical signal that light emitting diode is sent, and enter
, can be by detecting that circuit evolving high level detects signal and phototriode is turned on.If light emitting diode and phototriode
Deviate, then phototriode does not receive the optical signal that light emitting diode is sent, and then phototriode is not turned on, inspection can be passed through
Slowdown monitoring circuit generation low level detection signal.
S2, judges whether washing machine occurs tub-impact phenomenon according to detection signal.
The interior bucket of washing machine may occur in which rocking for different amplitudes during rotation.If interior bucket is in normal condition,
Then bucket was rotated in the time of one week inside, and light emitting diode has certain time alignment, detection circuit life with phototriode
The time scale for detecting signal into low and high level can be as shown in Fig. 4 (a).If significantly rocking as hit bucket occurs in interior bucket
Phenomenon, i.e., in tubbiness state is hit, then light emitting diode is relative with the time that phototriode aligns shortens, and the time phase deviateed
To extension, the time scale of detection circuit evolving low and high level detection signal can be as shown in Fig. 4 (b).Therefore, controller can basis
The duration of low level signal can judge whether washing machine occurs tub-impact phenomenon exactly, consequently facilitating in washing machine hair
Taken appropriate measures in time during raw tub-impact phenomenon, effectively ensure the normal operation of washing machine, and washing machine can be extended
Service life.
Three tub-impact phenomenons of off-center operation state and generation separately below for washing machine take corresponding measure.
In the dehydration of washing machine, judge whether to occur in tub-impact phenomenon.If tub-impact phenomenon occurs for washing machine,
Control the tractor and motor of washing machine to close, and control washing machine inflow to water level is set, wash 1 minute, and control is washed
Clothing machine, which is balanced, to be washed, and is corrected with the off-center operation state to washing machine.In the off-center operation state to washing machine
After being corrected, judge whether to complete draining, if it is, then performing dehydration procedure；If not, then completing draining.In row
After the completion of water, judge whether to reach the time of dehydration procedure setting, if it is, terminating dehydration procedure；If not, the then row of execution
Water program.
In a single dehydration, when washing the non-equilibrium state that can not correct washing machine by balance, it can sentence
Whether the number of times that tub-impact phenomenon occurs for disconnected washing machine reaches occur the number of times of tub-impact phenomenon not such as three times, and in washing machine default time
When reaching preset times, control washing machine performs uneven automatic correction；The number of times for occurring tub-impact phenomenon in washing machine reaches pre-
If during number of times, control washing machine sends prompt messages such as sound and light alarm and pointed out, user can release alarm by door folding and carry
Show, then judge whether to release alarm, if it is, then perform dehydration procedure, carried if it is not, then continuing to send alarm
Show information, remind user's washing machine to be in tub-impact phenomenon.
Washing machine according to embodiments of the present invention hits a barrel detection method, first, according to the first coupling element and the second coupling
The coupling condition generation detection signal between element is closed, then, judges whether washing machine occurs tub-impact phenomenon according to detection signal.
This method, the tub-impact phenomenon that washing machine occurs can be detected exactly, reliability is higher, consequently facilitating being hit in washing machine
Taken appropriate measures in time during bucket phenomenon, the normal operation of washing machine is effectively ensured, and the use longevity of washing machine can be extended
Life.
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 one or more this feature.In the description of the invention, " multiple " are meant that two or more,
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.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
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 (15)
1. a kind of tub-impact detector of washing machine, it is characterised in that including：
Photoelectric coupling detection components, the photoelectric coupling detection components include the first coupling element and the second coupling element, described
First coupling element is arranged on the outside of the interior bucket of the washing machine, and second coupling element is arranged on the casing of the washing machine
Inner side, and match setting with first coupling element, lead between first coupling element and second coupling element
Photoelectric coupling is crossed to carry out signal transmission；
Circuit is detected, the detection circuit is connected with second coupling element, the detection circuit is used for according to described first
Coupling condition generation detection signal between coupling element and second coupling element；
Controller, the controller is connected with the detection circuit, and the controller is used to judge institute according to the detection signal
State whether washing machine occurs tub-impact phenomenon.
2. the tub-impact detector of washing machine according to claim 1, it is characterised in that first coupling element is hair
Optical diode, second coupling element is phototriode.
3. the tub-impact detector of washing machine according to claim 2, it is characterised in that the current collection of the phototriode
Pole is connected to default power supply after being connected with the anode of the light emitting diode, wherein, the detection circuit includes：
First resistor, one end of the first resistor is connected with the emitter stage of the phototriode, the first resistor it is another
One end is connected with the controller；
Second resistance, one end of the second resistance is connected with one end of the first resistor, the other end of the second resistance
Ground connection；
First diode, the anode of first diode is connected with the other end of the first resistor, first diode
Negative electrode be connected to the default power supply；
Second diode, the negative electrode of second diode is connected with the anode of first diode, second diode
Plus earth；
First electric capacity, one end of first electric capacity is connected with the negative electrode of second diode, first electric capacity it is another
End ground connection.
4. the tub-impact detector of washing machine according to claim 3, it is characterised in that also include：
Drive circuit, the drive circuit is connected with the negative electrode and the controller of the light emitting diode respectively, the driving
Circuit is used to drive the light emitting diode to be lighted under the control of the controller,
Wherein, the detection circuit high electricity of generation when the phototriode receives the light that the light emitting diode sends
Ordinary mail number, and generate low level signal when the phototriode does not receive the light that the light emitting diode sends.
5. the tub-impact detector of washing machine according to claim 4, it is characterised in that the drive circuit includes：
3rd resistor, one end of the 3rd resistor is connected with the controller；
4th resistance, one end of the 4th resistance is connected with the negative electrode of the light emitting diode；
First triode, the base stage of first triode is connected with the other end of the 3rd resistor, first triode
Colelctor electrode be connected with the other end of the 4th resistance, the grounded emitter of first triode.
6. the tub-impact detector of washing machine according to claim 5, it is characterised in that the controller is used for according to institute
The duration for stating low level signal judges whether the washing machine occurs tub-impact phenomenon.
7. the tub-impact detector of washing machine according to claim 6, it is characterised in that in the dehydrated of the washing machine
Cheng Zhong, if tub-impact phenomenon occurs for the washing machine, the controller then controls the tractor and motor of the washing machine to close,
And control the washing machine to be balanced to wash, be corrected with the off-center operation state to the washing machine.
8. the tub-impact detector of washing machine according to claim 7, it is characterised in that the controller is additionally operable to judge
Whether the number of times that tub-impact phenomenon occurs for the washing machine reaches preset times, and occurs the number of times of tub-impact phenomenon in the washing machine
The washing machine is controlled to send prompt messages when reaching preset times.
9. a kind of washing machine, it is characterised in that hit bucket detection including the washing machine according to any one of claim 1-8
Device.
10. a kind of washing machine hits a barrel detection method, it is characterised in that be provided with the first coupling on the outside of the interior bucket of the washing machine
Element, the box inside of the washing machine is provided with the second coupling element, and second coupling element is coupled with described first
Element matches setting, by photoelectric coupling to carry out signal biography between first coupling element and second coupling element
Defeated, barrel detection method of hitting comprises the following steps：
According to the coupling condition generation detection signal between first coupling element and second coupling element；
Judge whether the washing machine occurs tub-impact phenomenon according to the detection signal.
11. washing machine according to claim 10 hits a barrel detection method, it is characterised in that first coupling element is
Light emitting diode, second coupling element is phototriode.
12. washing machine according to claim 11 hits a barrel detection method, it is characterised in that also include：
The light emitting diode is driven to be lighted,
Wherein, high level signal is generated when the phototriode receives the light that the light emitting diode sends, and
The phototriode generates low level signal when not receiving the light that the light emitting diode sends.
13. washing machine according to claim 12 hits a barrel detection method, it is characterised in that according to the low level signal
Duration judge whether the washing machine occurs tub-impact phenomenon.
14. washing machine according to claim 13 hits a barrel detection method, it is characterised in that in the dehydration of the washing machine
During, if tub-impact phenomenon occurs for the washing machine, control the tractor and motor of the washing machine to close, and control institute
State washing machine and be balanced and wash, be corrected with the off-center operation state to the washing machine.
15. washing machine according to claim 14 hits a barrel detection method, it is characterised in that also include：
Judge whether the number of times that tub-impact phenomenon occurs for the washing machine reaches preset times, and it is existing in the washing machine to hit bucket
The number of times of elephant controls the washing machine to send prompt messages when reaching preset times.
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| CN108708135A (en) * | 2018-04-11 | 2018-10-26 | 青岛海尔洗衣机有限公司 | Control method of washing and 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 |
| CN111118819A (en) * | 2019-12-27 | 2020-05-08 | 无锡飞翎电子有限公司 | Rinsing treatment method, rinsing treatment device and clothes treatment device |
| CN111764101A (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 |
| CN113046999A (en) * | 2019-12-26 | 2021-06-29 | 青岛海尔洗衣机有限公司 | Washing apparatus and dewatering method thereof |
| CN113818202A (en) * | 2020-06-18 | 2021-12-21 | 青岛海尔洗衣机有限公司 | Clothes treatment equipment, operation method thereof and storage medium |
| CN114941230A (en) * | 2022-06-30 | 2022-08-26 | 海信冰箱有限公司 | Washing machine and control method thereof |
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| CN114941230A (en) * | 2022-06-30 | 2022-08-26 | 海信冰箱有限公司 | Washing machine and control method thereof |
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