CN105544138B - A kind of detection device, pulsator washing machine and its control method - Google Patents
A kind of detection device, pulsator washing machine and its control method Download PDFInfo
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- CN105544138B CN105544138B CN201610022433.6A CN201610022433A CN105544138B CN 105544138 B CN105544138 B CN 105544138B CN 201610022433 A CN201610022433 A CN 201610022433A CN 105544138 B CN105544138 B CN 105544138B
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- washing machine
- microswitch
- clothing
- block
- detection device
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Classifications
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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
- D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
- D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
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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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/18—Condition of the laundry, e.g. nature or weight
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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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
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- D06F2202/06—
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- D06F2204/065—
Abstract
The embodiment of the present invention provides a kind of detection device, pulsator washing machine and its control method, is related to washing machine technology field, can be improved the safety of pulsator washing machine.The specific scheme is that detection device is located at the surface on edge in pulsator washing machine outer barrel, the detection device includes the microswitch for the controller output state indication signal to pulsator washing machine, and the trigger mechanism for triggering the microswitch；When do not have clothing be thrown out of in outer barrel along when, trigger mechanism is not by external force, and microswitch is in the first working condition at this time, when have clothing be thrown out of in outer barrel along when, be thrown out of clothing hit trigger mechanism, microswitch is in the second working condition at this time.The present invention is used for the manufacture of detection device and pulsator washing machine.
Description
Technical field
The present invention relates to washing machine technology field more particularly to a kind of detection devices, pulsator washing machine and its controlling party
Method.
Background technique
Pulsator washing machine includes the peripheral frame of cabinet and installation and top of the box.
User is usually that the operation interface by being set in peripheral frame carries out control operation to washing machine.In conjunction with and Figure 1A
Shown in peripheral frame structural schematic diagram, 101 top edge position of peripheral frame is provided with operation interface 1011, and operation interface includes display
Module and operation module, pulsator washing machine show the information such as clothes weight, laundry process to user by display module.Operation
The selection keys such as switch, laundry mode are additionally provided in module, so that user carries out pulsator washing machine by operation module
Control.The center hollow out of peripheral frame 101, for installing upper cover 1012, user opens upper cover 1012 and is packed into clothing into washing machine
Object.
It include inner barrel and outer barrel in cabinet, clothing is loaded into interior bucket, during drying, interior bucket high speed rotation, clothing
It is thrown to the position for being close to the side wall of interior bucket.The side wall of interior bucket is equipped with aperture, is adsorbed on the moisture on clothing and passes through in interior bucket
Aperture in be thrown out of interior bucket.
Interior bucket is embedded in outer barrel, and outer barrel is the barrel-like structure that can be filled with water, and the water thrown away from interior bucket enters outer barrel.
The side view of the pulsator washing machine in conjunction with shown in Figure 1B, the open-topped part of outer barrel is in outer barrel along 102, interior
The open-topped part of bucket is to be higher by interior bucket along 102 along 102 along 102, outer barrel in interior bucket.During drying, in interior bucket
Along 103 high speed rotations, remained stationary in outer barrel along 102.When being shaken during rotation in interior bucket along 103, in outer barrel
Play the role of mitigating along 102 and shakes or shake along 103 in interior bucket.
If the clothing in interior bucket is more, certain positions of clothing may be thrown out of edge in outer barrel during drying
102, the clothing being thrown out of can strike peripheral frame 101, not only possible damaging laundry, it is also possible to zero for damaging pulsator washing machine
Part causes security risk.
Summary of the invention
The application provides a kind of detection device, pulsator washing machine and its control method, can be improved pulsator washing machine
Safety.
In a first aspect, provide a kind of detection device, the detection device be located at edge in pulsator washing machine outer barrel just on
Side, the detection device includes the microswitch for the controller output state indication signal to pulsator washing machine, and
For triggering the trigger mechanism of the microswitch；
For the trigger mechanism not in the case of by external force, the microswitch is in the first working condition；The trigger mechanism
Under by external force, the microswitch is in the second working condition.
Second aspect, provides a kind of pulsator washing machine, and the pulsator washing machine includes that the application first aspect is mentioned
The detection device of confession further includes controller.Controller receives the condition indicative signal of the detection device output, when the detection
Device detect clothing be thrown out of in said tub along when, the controller according to receive condition indicative signal control described in
Interior bucket reduces revolving speed.
The third aspect provides a kind of control method of above-mentioned pulsator washing machine.
Detection device, pulsator washing machine provided by the embodiment of the present invention and its control method, when there is no clothing quilt
Throw away in outer barrel along when, trigger mechanism is not by external force, and microswitch is in the first working condition at this time, when there is clothing to be got rid of
Out in outer barrel along when, be thrown out of clothing hit trigger mechanism, provide external force, microswitch is in the second working condition at this time.It is micro-
It is dynamic to switch according to working condition to the controller output state indication signal of pulsator washing machine, by controller according to state instruction
Signal, which controls interior bucket, reduces revolving speed, to avoid the damage to clothing or pulsator washing machine components, to improve impeller
The safety of formula washing machine.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, embodiment will be described below
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Figure 1A is the structural schematic diagram of existing pulsator washing machine peripheral frame；
Figure 1B is the structural side view of existing pulsator washing machine；
The side view of detection device installation site provided by Fig. 2 the embodiment of the present invention；
Fig. 3 illustrates schematic diagram for the detection device principle of work and power provided by the embodiment of the present invention；
Fig. 4 is that the another of the detection device principle of work and power provided by the embodiment of the present invention illustrates schematic diagram；
The course of work that Fig. 5 provides detection device by the embodiment of the present invention illustrates schematic diagram；
Fig. 6 illustrates schematic diagram by what the embodiment of the present invention provided block shape in detection device；
Fig. 7 provides the another of block shape in detection device by the embodiment of the present invention and illustrates schematic diagram；
Fig. 8 is the top view of detection device installation site provided by the embodiment of the present invention；
Fig. 9 illustrates schematic diagram for the installation direction of detection device provided by the embodiment of the present invention；
Figure 10 is the control method flow diagram of pulsator washing machine provided by the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in connection with fig. 2, in the embodiment of the present invention, a detection device 20, detection are installed in pulsator washing machine
Whether device 20 is located in outer barrel along 102 surface, for having clothing to be thrown out of in outer barrel along detecting.When detection fills
When setting 20 and having detected that clothes is thrown out of in outer barrel along 102, refer to the output of the controller (being not drawn into Fig. 2) of pulsator washing machine
Show signal, the indication signal exported by controller according to detection device 20 controls the operating status of pulsator washing machine,
Reduce revolving speed including control interior bucket, stall, shut down pulsator washing machine etc., thus improve the safety of pulsator washing machine.
Embodiment
The embodiment of the present invention provides a kind of detection device, and as shown in connection with fig. 3, detection device 20 includes microswitch 201.
There are two types of working conditions, respectively the first working condition and the second working condition for microswitch 201.Specifically, micro-
Button 2011 is provided on dynamic switch 201, the state of the button 2011 of microswitch 201 includes pressing and popping up two states.
First working condition and the second working condition respectively correspond button 2011 and one of press and pop up both states.
Detection device 20 further includes trigger mechanism, for changing the working condition of microswitch 201.When trigger mechanism not by
In the case of external force, microswitch is in the first working condition.For trigger mechanism under by external force, microswitch is in the second work
State.
Specifically, as shown in connection with fig. 3, trigger mechanism includes elastic component 202 and the block that extends in outer barrel along 102
203, block is connect by elastic component 202 with microswitch 201.Under the elastic force effect of elastic component 202, microswitch 201 is pressed
Button 2011 is in down state.
When being thrown out of the laundry hits in outer barrel along 102 to block 203, the button 2011 of microswitch 201 is in bullet
It does well.
Optionally, elastic component 202 is the torsional spring between microswitch 201 and block 203.Microswitch 201 and gear
Block 203 is connected by torsional spring.As shown in connection with fig. 3, torque effect and microswitch of the block 203 at initial position, by torsional spring
201 button 2011 contacts and presses the button 2011 of microswitch 201.
As shown in connection with fig. 4, when there is external force that the torque of torsional spring is overcome to do work block 203, block 203 turns by axis of torsional spring
Dynamic, block 203 is separated with the button 2011 of microswitch 201 at this time, and the button 2011 of microswitch 201 pops up.Wherein external force
Action direction is as shown by the arrows in Figure 3.
When external force disappears or the size of external force is not enough to overcome the torque of torsional spring to do work to block 203, block 203
It is acted on by the torque of torsional spring, returns to state as shown in Figure 3, press the button 2011 of microswitch 201.
The course of work schematic diagram of detection device 20 as shown in connection with fig. 5, in the process of pulsator washing machine drying clothing
In, the acting external force of block 203 is provided by the clothing being thrown out of, the clothing being thrown out of hits block 203, overcomes the torque of torsional spring
It does work to block 203.It is indicated in Fig. 5 in outer barrel along 102 with a horizontal line, is thrown out of arrow in the direction of motion such as Fig. 5 of clothing 601
Shown in head.
When clothing is thrown out of in outer barrel along 102, the clothing being thrown out of strikes the block 203 of detection device 20, to gear
Block 203 does work, so that block 203 is separated with the button 2011 of microswitch 201, the button 2011 of microswitch 201 is popped up.
After being thrown out of position of the clothing 601 by 20 place of detection device, block 203 returns to initial position, presses
The button 2011 of microswitch 201.
The shape of above-mentioned block 203 is not unique, preferably, block 203 includes the blocking extended in outer barrel along 102
Face, blocking surface are thrown out of the direction in outer barrel along 102 in face of clothing, as the laundry hits block being thrown out of in outer barrel along 102
When stress surface.
The shape of block 203 can be there are many designing, and it is as follows to enumerate two kinds of optional shapes in the present embodiment:
The first, as shown in connection with fig. 6, block 203 is right prism body component, and the bottom surface of right prism body component is right angle trigonometry
The selected incline of shape, right prism body component is connect with torsional spring.Wherein, selected incline is the right-angled apices and bottom surface of upper bottom surface
Incline between right-angled apices.Accordingly, the bevel edge of upper bottom surface and the side where the bevel edge of bottom surface, to be thrown out of in outer barrel
Stress surface when along 102 laundry hits block 203.
Second, as shown in connection with fig. 7, block 203 is right prism body component, and the bottom surface of right prism body component is L-shaped, straight rib
The selected incline of column member is connect with torsional spring.Wherein, selecting incline is right-angled apices and the bottom surface outside on the outside of upper bottom surface
Right-angled apices between incline.Accordingly, between the right-angled apices on the outside of the right-angled apices and bottom surface on the inside of upper bottom surface
Incline, where two sides can be used as stress surface when being thrown out of in outer barrel along 102 laundry hits block 203.
The installation site and direction of detection device 20
Side view and top view shown in Fig. 8 as shown in connection with fig. 2, detection device 20 pass through fixing piece (Fig. 2 and Fig. 8
In be not drawn into) be installed in pulsator washing machine peripheral frame 101, specifically, microswitch 201 is fixed on the inner ring wall of peripheral frame 101
On, block 203 extends in outer barrel along 102 sides.
In other embodiments, above-mentioned detection device 20 can also be directly mounted in outer barrel along 102 outer wall, above-mentioned
When two kinds of installation sites can guarantee that clothing is thrown out of in outer barrel along 102, the clothing being thrown out of strikes detection device 20
Block 203.
The installation of detection device 20 collides block towards so that when being thrown out of clothing and flying out along interior bucket direction of rotation
203 stress surface, and can be advisable to the acting of block 203.Preferably, it at the time of being thrown out of clothing shock block 203, is got rid of
Clothing hits the direction of block 203 out, just the opposite with rotation trend direction of the block 203 under torsion spring torque effect.
For example, as shown in connection with fig. 9, the direction of rotation of interior bucket is as shown in arc curve with the arrow in Fig. 9, for side clockwise
To the direction of motion for being thrown out of clothing is identical as interior bucket direction of rotation.Coordinate system is established with the center of circle in outer barrel along 102, is got rid of
Out clothing in the direction of motion of A (0, R) point as shown in solid arrow direction in Fig. 9, it is parallel with X-direction and to be directed toward X-axis square
To wherein R is interior bucket radius.
Detection device 20 is mounted on right above A (0, R) point, and the direction of torsional spring shaft is parallel with Y-axis.Block 203 is originating
It when position, is acted on by torsion spring torque, rotates trend direction as shown in dotted arrow in Fig. 9, it is parallel with X-direction and be directed toward X
Axis negative direction, be thrown out of clothing hit block 203 direction it is just the opposite.
The signal feedback mechanism of detection device 20
Microswitch 201 is connect with the controller of pulsator washing machine, and to controller output state indication signal.State
Indication signal is used to indicate the state of the button 2011 of microswitch 201.
For example, condition indicative signal is square-wave signal, when being thrown out of clothing shock block 203, block 203 is opened with fine motion
201 separation of button 2011 is closed, the button 2011 of microswitch 201 pops up, and microswitch 201 exports second to controller at this time
Level.After being thrown out of position of the clothing by 20 place of detection device, block 203 returns to initial position, presses fine motion and opens
201 button 2011 is closed, microswitch 201 exports the first level to controller at this time.Wherein, when second electrical level is high level
When, the first level is low level.When second electrical level is low level, the first level is high level.
After the controller of pulsator washing machine receives the condition indicative signal of the output of microswitch 201, according to state
Indication signal controls interior bucket revolving speed, specifically includes following two mode:
First way, condition indicative signal are the first level, and controller determines that no clothes is thrown out of at this time, impeller-type
Work state of washing machine is normal, keeps washing machine to work normally at this time, without changing interior bucket revolving speed.
The second way, condition indicative signal are second electrical level.In this case controller to second electrical level it is lasting when
Between detected, when the duration of second electrical level is in pre-set interval, controller determination there is clothes to fly out, control wave at this time
The motor of whell laundry machine reduces revolving speed, so that the revolving speed of interior bucket reduces.After interior bucket reduces revolving speed, to continue compared with low velocity
Rotation or stalling.
Since pulsator washing machine can shake in the process of running, so that the button of block 203 and microswitch 201
2011 separation, then quick-make again, condition indicative signal constantly jump between second electrical level and the first level.Therefore work as
When the duration of second electrical level is less than the minimum value of pre-set interval, controller determines that no clothes is thrown out of, impeller-type laundry
Machine working condition is normal.
When the duration of second electrical level being more than the maximum value of pre-set interval, controller determines that event occurs for detection device 20
Barrier controls pulsator washing machine at this time and stops all load operations, including control water discharge dragging device, inlet valve, spray pump, laundry
The functional modules such as fluid controller stop working, and export information warning and user is reminded to overhaul.
Pre-set interval minimum value and maximum value are preset value, and the mode of a kind of setting minimum value and maximum value is specifically such as
Under:
Interior bucket revolving speed is S during drying, and the unit of S is rev/min.Interior bucket diameter is D, and the unit of D is centimetre.It is got rid of
The width of clothing is W out, and the unit of W is centimetre.
The distance a little turned in one minute on interior bucket side wall is π DS, and the distance turned in one second is π DS/60,
Time T=W/ (π DS/60) needed for then turning over the distance that size is W, unit is the second.
The unit of T is turned into millisecond, there is T=1000W/ (π DS/60)=60*1000W/ π DS.
According to above formula, in case where S=600~800 rev/min, D=35 centimetres, W=4~10 centimetre.
When S=600 revs/min, W=10 centimetres, T has 9.09 milliseconds of maximum value.
When S=800 revs/min, W=4 centimetres, T has 2.72 milliseconds of minimum value.
That is, the duration of second electrical level is between 2.72 milliseconds to 9.09 milliseconds when there is clothing to be thrown out of.
In a kind of specific application scenarios, controller is specially one chip microcomputer (full name in English: Single
Chip Microcomputer, English abbreviation: MCU), MCU by the periodicity of clock signal come timing, when the clock week of MCU
When phase is set as 0.1 millisecond, the accuracy of timekeeping of MCU is 0.1 millisecond.According to the accuracy of timekeeping of MCU, by the minimum value of pre-set interval
It is 2.7 milliseconds, the maximum value of pre-set interval is 9.1 milliseconds.
When condition indicative signal is second electrical level, MCU counts the periodicity of clock signal, when clock signal
When periodicity is less than or equal to 27, indicate that the duration of second electrical level is less than the minimum value of predetermined period, controller determines
There is no clothes to be thrown out of, pulsator washing machine working condition is normal.When the periodicity of clock signal is between 27~91, indicate
The duration of second electrical level, controller determination had clothes to be thrown out of in pre-set interval, and controlled interior bucket stalling.When clock is believed
Number periodicity be more than or equal to 91 when, indicate second electrical level duration be more than pre-set interval maximum value, controller
It determines that detection device 20 breaks down, and controls pulsator washing machine and stop all load operations.
While controller is to pulsator washing machine operating status is changed, can further it be exported according to condition indicative signal
Alarm signal.Specifically, showing first by the display interface of pulsator washing machine when controller, which determines, has clothes to be thrown out of
Prompt information, and export buzzerphone.When controller determines that detection device 20 breaks down, pass through the aobvious of pulsator washing machine
Show the second prompt information of interface display, and exports buzzerphone.
Provided detection device based on the above embodiment, the embodiment of the present invention also provide a kind of pulsator washing machine,
Pulsator washing machine includes detection device and controller, and whether detection device is to having clothing to be thrown out of to detect, and according to inspection
Result is surveyed to be believed when detection device has detected that clothing is thrown out of according to state instruction to controller output state indication signal
Number reduce interior bucket revolving speed.
Specifically, condition indicative signal is square-wave signal, when detecting that clothing is thrown out of, detection device is defeated to controller
Second electrical level out, when not detecting that clothing is thrown out of, detection device exports the first level to controller.
After controller receives the condition indicative signal of microswitch output, the level of condition indicative signal is sentenced
It is disconnected.When condition indicative signal is second electrical level, and the duration of second electrical level is in pre-set interval, determining has clothes to fly
Out, at this time control pulsator washing machine motor, reduce revolving speed perhaps stalling so that interior bucket revolving speed reduce or stalling.
When condition indicative signal is second electrical level, and the duration of second electrical level is more than the maximum value of pre-set interval, impeller is controlled
Formula washing machine stops all load operations.
Detection device and pulsator washing machine provided by the embodiment of the present invention, when there is no clothing to be thrown out of edge in outer barrel
When, trigger mechanism is not by external force, and microswitch is in the first working condition at this time, when there is clothing to be thrown out of edge in outer barrel
When, it is thrown out of clothing and hits trigger mechanism, provide external force, microswitch is in the second working condition at this time.Microswitch according to
Working condition to the controller output state indication signal of pulsator washing machine, controlled by controller according to condition indicative signal in
Bucket reduces revolving speed, to avoid the damage to clothing or pulsator washing machine components, to improve pulsator washing machine
Safety.
The pulsator washing machine provided based on the above embodiment, the embodiment of the present invention also provide a kind of pulsator washing machine
Control method, the controller applied to pulsator washing machine.Referring to Fig.1 shown in 0, comprising the following steps:
1001, the condition indicative signal of controller receiving detection device output.
For the concrete function of detection device, for the principle of work and power and the course of work of detection device in reference implementation example
Explanation, details are not described herein again.
Detection device is specifically as follows square-wave signal to the condition indicative signal that controller exports, and square-wave signal includes being used for
It indicates the first level of the first working condition of microswitch and is used to indicate the second electrical level of the second working condition of microswitch.
Detection device indicates respectively testing result by the first level and second electrical level, that is, has clothing to be thrown out of edge in outer barrel, do not have
Clothing is thrown out of in outer barrel along two kinds of testing results.
If 1002, detect that microswitch is in the second working condition, control interior bucket reduces revolving speed.
It when microswitch is in the first working condition, indicates that no clothing is thrown out of edge in outer barrel, exports square wave letter at this time
Number level be the first level.When microswitch is in the second working condition, indicate that clothing is thrown out of edge in outer barrel, it is defeated at this time
The level of square-wave signal is second electrical level out.
When controller is determined according to the level of square-wave signal has clothing to fly out, interior bucket revolving speed, including control interior bucket are reduced
To continue to rotate or stall compared with low velocity.
Optionally, when the level for determining square-wave signal is second electrical level, and the duration of second electrical level is in pre-set interval
When interior, controller controls the interior bucket stalling of pulsator washing machine.
When determine square-wave signal level be second electrical level, and the duration of second electrical level be more than pre-set interval maximum
When value, controller controls pulsator washing machine and stops all load operations.
Further, controller can also be according to condition indicative signal outputting alarm signal.Alarm signal includes display circle
The text in face exports, can also be including buzzerphone etc..The duration of second electrical level is different, and the alarm signal of output can phase
Answer difference.
The control method of pulsator washing machine provided by the embodiment of the present invention, by detection device to whether having clothing
It is thrown out of edge in outer barrel to be detected, and according to testing result to controller output state indication signal.Controller is according to state
Indication signal judged, when determine have clothing be thrown out of in outer barrel along when, reduce the revolving speed of interior bucket, to avoid to clothing or
The damage of pulsator washing machine components, to improve the safety of pulsator washing machine.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of device that detection rotary drum washing machine clothing is thrown away, which is characterized in that the detection device is installed on impeller-type and washes
On the inner ring wall of clothing machine peripheral frame, the detection device includes for the controller output state indication signal to pulsator washing machine
Microswitch, and the trigger mechanism for triggering the microswitch；
For the trigger mechanism not by being thrown out of in outer barrel in the case of the external force of the clothing on edge, the microswitch is in the first work
State；For the trigger mechanism by being thrown out of in outer barrel under the external force of the clothing on edge, the microswitch is in the second work
State.
2. the device that detection rotary drum washing machine clothing according to claim 1 is thrown away, which is characterized in that
The trigger mechanism includes elastic component and the block that edge extends in said tub, and the block passes through the elastic component
It is connect with the microswitch；Under the elastic force effect of the elastic component, the button of the microswitch is in down state；Work as quilt
When throwing away the laundry hits on edge in said tub to the block, the button of the microswitch is in pop-up state.
3. the device that detection rotary drum washing machine clothing according to claim 2 is thrown away, which is characterized in that
The elastic component is the torsional spring between the microswitch and the block；Torque of the block by the torsional spring
The button contacts of effect and the microswitch and the button for pressing the microswitch；When the clothing for being thrown out of edge in said tub
When object collides the block and the torque of the torsional spring is overcome to do work the block, the block turns by axis of the torsional spring
Dynamic, the block is separated with the button of the microswitch, the button pop-up of the microswitch.
4. the device that detection rotary drum washing machine clothing according to claim 3 is thrown away, which is characterized in that
The block includes along the blocking surface extended in said tub, and the blocking surface is thrown out of in said tub in face of clothing
The direction on edge, as stress surface when being thrown out of block described in the laundry hits on edge in said tub.
5. the device that detection rotary drum washing machine clothing according to claim 4 is thrown away, which is characterized in that
The block is right prism body component, and the selected incline of the right prism body component is connect with the torsional spring；
Wherein, the bottom surface of the right prism body component be right angled triangle, the selected incline be upper bottom surface right-angled apices and
Incline between the right-angled apices of bottom surface；
Alternatively, the bottom surface of the right prism body component is L-shaped, the selected incline is the right-angled apices and bottom on the outside of upper bottom surface
The incline between right-angled apices on the outside of face.
6. a kind of pulsator washing machine, which is characterized in that
It includes detection device as described in any one in claim 1-5；
It further include controller, for receiving the condition indicative signal of the detection device output, the detection device detects clothing
Object be thrown out of in said tub along when, the controller according to receive condition indicative signal control interior bucket reduce revolving speed.
7. a kind of control method of pulsator washing machine as claimed in claim 6, which is characterized in that
The controller receives the condition indicative signal of the detection device output；If detecting, the microswitch is in second
When working condition, controlling the interior bucket reduces revolving speed.
8. the control method of pulsator washing machine according to claim 7, which is characterized in that
The condition indicative signal is square-wave signal, and the square-wave signal includes being used to indicate the first working condition of microswitch
First level and the second electrical level for being used to indicate the second working condition of microswitch.
9. the control method of pulsator washing machine according to claim 8, which is characterized in that when determining the square-wave signal
Level be second electrical level, and when the duration of second electrical level is in pre-set interval, the interior bucket for controlling pulsator washing machine is stopped
Turn.
10. the control method of pulsator washing machine according to claim 8, which is characterized in that further include:
When determine the square-wave signal level be second electrical level, and the duration of second electrical level be more than pre-set interval maximum
When value, controls the pulsator washing machine and stop all load operations.
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| CN201610022433.6A CN105544138B (en) | 2016-01-14 | 2016-01-14 | A kind of detection device, pulsator washing machine and its control method |
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| CN201610022433.6A CN105544138B (en) | 2016-01-14 | 2016-01-14 | A kind of detection device, pulsator washing machine and its control method |
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| JPH03292998A (en) * | 1990-04-09 | 1991-12-24 | Toshiba Corp | Washing machine |
| KR0179255B1 (en) * | 1996-02-22 | 1999-05-15 | 구자홍 | Apparatus and method for dehydration of a washing machine |
| US5739534A (en) * | 1996-11-18 | 1998-04-14 | Raytheon Corporation | Methods and apparatus for detecting fluids |
| JP2002210287A (en) * | 2001-01-23 | 2002-07-30 | Sanyo Electric Co Ltd | Washing machine |
| AU2003259588B2 (en) * | 2003-01-20 | 2006-03-02 | Lg Electronics Inc. | Washing machine having floating laundry detecting means and method for controlling the same |
| JP4621026B2 (en) * | 2005-01-06 | 2011-01-26 | 三菱電機株式会社 | Washing machine |
| CN202786817U (en) * | 2012-07-11 | 2013-03-13 | 辛峰 | Safe switch of fully automatic washing machine |
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Address after: 266736 Qingdao, Pingdu City, South Village, Hisense Road, No. 8, No. Applicant after: Hisense (Shandong) refrigerator Co., Ltd. Address before: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Applicant before: Hisense (Shandong) refrigerator Co., Ltd. |
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