CN105274775B - A kind of unbalance detection of washing machine - Google Patents
A kind of unbalance detection of washing machine Download PDFInfo
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- CN105274775B CN105274775B CN201410267444.1A CN201410267444A CN105274775B CN 105274775 B CN105274775 B CN 105274775B CN 201410267444 A CN201410267444 A CN 201410267444A CN 105274775 B CN105274775 B CN 105274775B
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Abstract
The present invention provides a kind of washing machines of uneven detection, including, main control module and functional control module, each functional control module are connected with corresponding load respectively；The functional control module includes sensor module；The sensor module is arranged independently of each other with main control module；Main control module, sensor module are connected with data/address bus and power bus respectively；The load of the sensor module corresponding sensor module is the acceleration transducer that detects for washing machine imbalance perhaps six axle sensors or nine axle sensors.Washing machine of the invention has the sensor module being independently arranged, and not only can achieve modularized production, installs the purpose of computer board of washing machine, but also detection and control that real-time active is carried out to the uneven detection of washing machine may be implemented.
Description
Technical field
The present invention relates to washing machine fields, and in particular, to a kind of uneven washing machine detected and uneven detection side
Method.
Background technique
Washing machine is freed from the labour of laundry as a kind of daily household electrical appliance, by people, thus by vast
User likes, and mainly includes cabinet, outer barrel, interior bucket, impeller, motor and control panel；Impeller is located in interior bucket, and interior bucket is located at outer
In bucket, outer barrel is hung on cabinet by sunpender, and control panel control motor is washed and is dehydrated.When washing completion, laundry
Machine is dehydrated, existing full-automatic impeller type washing machine dewatering type, is that clothing moves under the drive of interior bucket, is passed through centrifugal force
Effect reaches dehydrating effect, and when clothing is unevenly distributed, Yi Zhendong when dehydration easily hits bucket, is displaced when serious, to laundry
Machine quiet operation degree and motor, mechanical structure service life impact.
Existing automatic washing machine is avoided by way of hitting crash bar and triggering shutdown switch when being dehydrated uneven
Bucket is hit, still, this mode is haveed the shortcomings that following: firstly, due to effect of inertia, triggering stops when eccentricity is excessive
Also bucket can be hit when switch；Secondly, crash bar is fixedly mounted on a position, it is also possible to cause to hit bucket but not trigger shutdown switch
Phenomenon occurs, and leads to not detect, avoids vibrating；Finally, due to which this shock randomness is stronger, in fact it could happen that outer barrel it is eccentric but
Safety switch such case is not struck, this will generate " misleading ", and make washing machine will continue to be dehydrated, constant impingement cabinet, most
So that casing of washing machine is displaced or damage phenomenon eventually, reduces the service life of washing machine.
Existing part washing machine measures revolving speed using photoelectric sensor, calculates acceleration, reaches control machine balance mesh
, but can not precise measurement, control, when certain eccentricity, in addition to the dehydration initial velocity stage is easy to hit bucket, needs repeatedly to calculate and taste
Try the dehydration of Suitable dehydration curve.
Therefore, how to realize that washing machine carries out actively real-time eccentricity detecting in dehydration, and carry out according to testing result
Control becomes a urgent problem in real time.
Summary of the invention
The present invention provides a kind of washing machine of uneven detection, which has the sensor module being independently arranged,
It not only can achieve modularized production, the purpose of computer board of washing machine be installed, but also the imbalance inspection to washing machine may be implemented
Survey the detection and control for carrying out real-time active.
Specifically, present invention employs following technical solutions:
A kind of washing machine of uneven detection, including, main control module and functional control module, each functional control module difference
It is connected with corresponding load；It is characterized by: the functional control module includes sensor module；The sensor module
It is arranged independently of each other with main control module；Main control module, sensor module are connected with data/address bus and power bus respectively；It is described
The load of sensor module corresponding sensor module be the acceleration transducer or six axis that are detected for washing machine imbalance
Sensor or nine axle sensors.
Further, six axle sensors include 3-axis acceleration device and three-axis gyroscope:
3-axis acceleration device senses the linear acceleration and tilt angle of outer barrel, can induction bonded linearly and acceleration of gravity
Amplitude and direction；
Three-axis gyroscope senses the angular velocity of rotation of outer barrel, tracks outer barrel motion direction and spinning movement；
Nine axle sensors include 3-axis acceleration device, three-axis gyroscope and three axle magnetometer, the three axis magnetic
Power meter can sense the direction of motion of outer barrel.
Further, sensor module load setting is in outer barrel bottom, or is arranged in outer tub side wall, Huo Zheshe
It sets at sunpender；The sensor module setting is at the upper or close sensor module load of sensor module load.
Further, the functional control module at least further includes motor control module, water inlet control module and draining
Control module；At least one in the functional control module is arranged independently of each other with main control module；Main control module, each independence
The functional control module of setting is connected with data/address bus and power bus respectively；Preferably, all function control moulds
Block is arranged with main control module independently of each other respectively.
Further: the functional control module further include: door lock control module, drying control module, automatic dispensing
One of control module, heating control module or at least two combination.
Washing machine of the invention use sensor module come realize to the unbalance condition during laundry machine dehydration into
Row monitoring, while being controlled accordingly according to the result of monitoring.Due to the addition of sensor module, the control to washing machine is needed
Route processed and connection relationship are correspondingly improved, the invention by sensor module independently of the master control of washing machine
Module design, it is only necessary to which by the main control module of sensor module access washing machine, while carrying out corresponding software improvement can be real
It is existing.Further, the invention provides a kind of washing machine of multiple functional module independents setting, by motor control
Module, water inlet control module and draining control module control independently in main control module, or even by door lock control module, drying
Module, dispensing control module, heating control module are also independent from main control module setting automatically.
By adopting the above technical scheme, the present invention is compared with the advantage of the prior art: the computer by that will be equipped with main control module
Plate is connected with each functional control module respectively through power bus and data/address bus, so that the computer board control circuit board of washing machine
Realize modular composition mode；Meanwhile corresponding load is mounted on above or at corresponding load through each functional control module,
So that load control module between route shorten, enable the line construction of washing machine internal be simplified, improve load with
The transmission rate of information between control module.More particularly, by setting independent for the correspondence control module of different loads
Module, in later period module damage, it is only necessary to replace respective modules and achieve that washing machine maintenance dimension, simplify maintenance process, drop
Low maintenance cost.Meanwhile the configuration of the present invention is simple, significant effect, it is suitable for promoting the use of.
Meanwhile the present invention provides a kind of unbalance detection of above-mentioned laundry, include the following steps:
Step S1, operation dehydration timing execute eccentricity detection examination dehydration movement,
Step S2, sensor module execute the eccentric situation of eccentricity detection operation real-time detection machine, and initial setting is de-
Water curve；
Step S3 executes low speed dehydration movement, sensor module real-time detection low speed eccentricity according to water desorption curve；
Step S4 judges whether the low speed eccentricity of detection is more than limit value；
Step S5 if the determination result is YES then executes low speed eccentricity corrective action, if judging result be it is no, under
One step；
Step S6 executes high speed dewatering movement, sensor module real-time detection high speed eccentricity；
Step S7 judges whether the high speed eccentricity of high speed dewatering movement is more than limit value；
Step S8, if the determination result is YES, execute high speed run-out modification movement, if judging result be it is no, with high speed dewatering
Movement terminates.
Further, the low speed eccentricity corrective action in the step S5 the following steps are included:
Step S51, low speed dehydration movement stop；
Step S52 corrects water desorption curve；
Step S53 executes low speed dehydration movement according to revised water desorption curve, returns to step S3.
Further, low speed eccentricity corrective action at most executes n times in the step S5, and the N meets: 0 < N
≤10。
Further, it when low speed eccentricity corrective action executes number more than n times in the step S5, then executes following
Step:
Step S54 executes water filling washing corrective action；
Step S55 executes draining movement；
Step S56 returns to step S1.
Further, the step S54 is at most executed M times, the M satisfaction: 0 M≤10 <, if step S54 is held
Capable number is greater than M, then executes actuation of an alarm.
Further, in the step S8 high speed run-out modification movement the following steps are included:
Step S81 executes speed, acceleration corrective action, sensor module real-time detection high speed eccentricity；
Step S82 judges whether high speed eccentricity is more than limit value；
Step S83 if the determination result is YES then executes deceleration run-out modification, into next step, if judging result is
It is no, terminated with high speed dewatering movement；
Step S84, to terminate compared with low speed dehydration movement.
Washing machine unbalance detection of the invention is realized actively real-time to washing machine progress using six axle sensors
Eccentricity detecting, therefore, testing result more accurately and timely, meanwhile, the real-time detection of sensor facilitates the control of washing machine
Module carries out run-out modification according to testing result in time.So detection method of the invention is more accurate, dehydration effect is improved
Rate avoids washing machine and " hitting bucket " phenomenon occurs, extends the service life of washing machine.
Specifically, the present invention has the following technical effect that
1) after the present invention enters dehydration timing, progress eccentricity detection examination dehydration movement is passed when the movement carries out first
The control module of sensor module real-time perfoming eccentricity detecting, washing machine is bent according to eccentricity detecting result initial setting initial dewatering
Line.Therefore, initial dewatering curve of the invention in view of washing machine it is initial when eccentric situation, more tally with the actual situation, greatly
The eccentric probability of formal dehydration is reduced greatly.
2) dehydration is divided into low speed water smoking and high speed dewatering stage by the present invention, in low speed water smoking and high speed
Water smoking all carries out eccentricity detecting, and will not enter high speed dewatering rank when the eccentricity in low speed water smoking is not corrected
Section, therefore, eccentric detection method of the invention is more accurate, much sooner, can effectively avoid washing machine and cause because of eccentric
Damage.
3) present invention is substantially carried out two kinds of run-out modification modes in the low speed water smoking, and one kind being off low speed dehydration, so
Water desorption curve is corrected by sensor module afterwards, is again started up low speed water smoking progress run-out modification；Another kind is when first
Kind of run-out modification mode repeatedly correct it is invalid after, using water filling washing amendment, then water filling is discharged and reenters dehydration procedure.
Therefore, run-out modification of the invention uses different run-out modification modes according to different stages and different eccentric results, makes
It is more efficient to obtain run-out modification of the invention.
4) run-out modification of the invention is concentrated mainly on the low speed water smoking, when the low speed water smoking without acceptance of persons after directly into
Enter the high speed dewatering stage, and when eccentricity in low speed water smoking is not corrected, will not then enter the high speed dewatering stage, ensure in this way
High speed dewatering stage goes on smoothly, safer.
5) the high speed dewatering stage of the invention carries out eccentricity detecting simultaneously, eccentric at a high speed when occurring carrying out when eccentricity is excessive
Amendment, since the eccentricity in low speed water smoking has reached requirement, so the high speed run-out modification in high speed dewatering stage is more
Simply, the main operation by amendment acceleration and speed is realized, when the modification method can not achieve correction effect using drop
The mode of low dewatering speed is completed to be dehydrated.Therefore, the high speed dewatering stage of the invention is capable of the progress of safety and precise, effectively keeps away
Having exempted from the high speed dewatering stage there is the excessive possibility of eccentricity, guarantees that dehydration is gone on smoothly.
6) present invention detects the eccentricity of washing machine using six axle sensors, realizes to washing machine eccentricity
Actively detection, and the 3-axis acceleration sensor sense linear acceleration and tilt angle of six axle sensors in real time, three axis
Gyroscope perception rotation angle, therefore, six axle sensors that the present invention uses not only are only capable of the linear acceleration to outer barrel in real time
Degree and tilt angle are detected, but also can be avoided to greatest extent because rotating angle brought by interior bucket rotation, are made
The result for obtaining detection of the invention is more accurate.
Detailed description of the invention
Fig. 1 the structural representation of present invention；
Power bus connection schematic diagram Fig. 2 of the invention；
Data/address bus connection schematic diagram Fig. 3 of the invention；
Program control flow chart Fig. 4 of the invention；
Water desorption curve figure Fig. 5 of the invention；
Fig. 6 sensor of the invention module composition schematic diagram；
The composition schematic diagram of nine axle sensors Fig. 7 of the invention；
Eccentricity test position schematic diagram Fig. 8 of the invention；
Cabinet tilt angle test schematic diagram Fig. 9 of the invention.
Figure label explanation: 1-main control module, 2-power buses, 3-data/address bus, 4-water inlet control modules, 5-
Control module is drained, 6-door lock control modules, 7-drying control modules, 8-launch control module, 9-computer heating controls automatically
Module, 10-motor control modules, 11-control panels, 12-power supply adaptors, 13- sensor module, 41-inlet valves,
51-drain valves, 61-door locks, 71-drying components, 81-automatic putting modules, 91-heater strips, 101-load motors,
The load of 131- sensor module.
Specific embodiment
A kind of washing machine of uneven detection of the invention is described in detail with reference to the accompanying drawing:
As shown in Figure 1, a kind of uneven detection washing machine of the invention, including, main control module 1 and functional control module,
Each functional control module is connected with corresponding load respectively；The functional control module includes sensor module 13；Described
Sensor module 13 and main control module 1 are arranged independently of each other；Main control module 1, sensor module 13 respectively with data/address bus 3 and dynamic
Power bus 2 is connected；The corresponding sensor module of sensor module 11 load 131 is for the detection of washing machine imbalance
Acceleration transducer perhaps six axle sensors or nine axle sensors.
As shown in fig. 7, six axle sensor of the present invention includes 3-axis acceleration device and three-axis gyroscope:
3-axis acceleration device senses the linear acceleration and tilt angle of outer barrel, can induction bonded linearly and acceleration of gravity
Amplitude and direction；
Three-axis gyroscope senses the angular velocity of rotation of outer barrel, tracks outer barrel motion direction and spinning movement；
As shown in fig. 7, nine axle sensor of the present invention includes 3-axis acceleration device, three-axis gyroscope and three axis magnetic force
Meter, the three axle magnetometer can sense the direction of motion of outer barrel.
As a kind of preferred embodiment of the invention, sensor module load 131 of the present invention is arranged in outer barrel
Bottom, perhaps setting in outer tub side wall or is arranged at sunpender；The setting of sensor module 11 is negative in sensor module
It carries on 131 or at sensor module load 131.
As a kind of preferred embodiment of the invention, the functional control module at least further includes motor control module
10, control module 4 of intaking and draining control module 5；At least one in the functional control module is mutually only with main control module 1
It erects and sets；Main control module 1, each functional control module being independently arranged are connected with data/address bus 3 and power bus 2 respectively；
Preferably, all functional control modules are arranged with main control module 1 independently of each other respectively.
In the present embodiment, each functional control module is respectively connected with corresponding load；Each functional module is separately mounted to pair
It should load or at corresponding load.The load of the main control module 1 is control panel 11, the electricity equipped with main control module 1
Road plate is mounted at control panel 11.The control panel 11 further includes the human-computer interactions such as key, charactron, LCD display
Equipment.The load of the main control module 1 is each functional control module, man-machine communication's information that control panel 11 is reacted
After being handled, analyzed with the information of each functional control module feedback, command signal is issued to each functional control module, makes each function
Energy control module controls corresponding load according to corresponding instruction signal respectively.
In the present embodiment, the load of the motor control module 10 is load motor 101, the load motor 101
For any motors such as series excited machine, variable-frequency motor or DD direct driving motors.The motor control module 10 is set to independent electrical
On the plate of road or it is set in control circuit board；Preferably, the independent circuits plate equipped with motor control module 10 is mounted on load motor
On 101 or at load motor 101；It is further preferred that the motor control module 10 is to be mounted on load motor 10
On intelligent computer plate.
In the present embodiment, the load of the water inlet control module 4 is, for controlling the water inlet group of water inlet pipe on off operating mode
Part.In the present embodiment, the water inlet component is set as inlet valve 41, and the water inlet control module 4 is set to independent circuits plate
Above or it is set in control circuit board；Preferably, the independent circuits plate equipped with water inlet control module 4 is arranged close to inlet valve 41
Place；It is further preferred that the water inlet control module 4 is the intelligent computer plate being arranged close at inlet valve 41.
In the present embodiment, the load of the draining control module 5 is load drain assembly, the load drain assembly
For the draining pump and/or drain valve 51 for controlling drainpipe opening and closing, in the present embodiment, the load drain assembly is draining
Valve 51.The draining control module 5 is set on independent circuits plate or is set in control circuit board；Preferably, it is equipped with draining control
The independent circuits plate of molding block 5 is arranged close at drain valve 51；It is further preferred that the draining control module 5 is peace
The intelligent computer plate being installed adjacent at drain valve 51.
In the present embodiment, above-mentioned independent circuits plate is and control circuit board is separated, the circuit that is independently arranged
Plate.To simplify the step of circuit board repair, replacement so that the corresponding function control module respectively loaded is realized and is independently arranged
Suddenly, maintenance, the production efficiency of washing machine are improved.
In the present embodiment, set respectively in the motor control module 10, water inlet control module 4 and draining control module 5
It is equipped with data bus terminal and power bus terminal；The data bus terminal of each functional control module respectively with 3 phase of data/address bus
Connection, power bus terminal are connected with power bus 2 respectively.
By the way that the power bus terminal of each functional control module is connected with power bus, so that each functional control module
The on-off of power bus and the load of each road is controlled, so that respective load obtains power supply and acts.Meanwhile by by each function control
The data bus terminal of module is connected with data/address bus, and the human-machine interactive information obtained by main control module is communicated to function control
Molding block, to control the action state of corresponding load；Or the action message of each load is fed back into main control module, to realize master
Control the transmitting of information between module and each functional control module.
As shown in Fig. 2, it is total to extend power into washing machine shell in the present embodiment, at the power supply adaptor 12 of washing machine
Line 2, the power bus 2 successively load 131, inlet valve 41, load motor 101 by control panel 11, sensor module
With drain valve 51.The power bus 2 loads 131, inlet valve 41, load motor 101 in control panel 11, sensor module
Be respectively equipped with corresponding port at drain valve 51, each port respectively with corresponding main control module 1, sensor module 13, into
Water management module 4, motor control module 10 are connected with the terminal of draining control module 5.By power bus by main control module
1, sensor module 13, water inlet control module 4, motor control module 10 and draining control module 5 are sequentially connected in series, and are realized
The power distribution of each functional control module in each load or at load is set.In the present embodiment, above-mentioned main control module
It can be also connected in series by any order through power bus with each functional control module.
As shown in figure 3, it is total to extend data in the present embodiment, at the control panel on washing machine top into washing machine shell
Line 3, the data/address bus 3 is successively by sensor module load 131, inlet valve 41, load motor 101 and drain valve 51.
The data/address bus 3 loads in sensor module and is respectively equipped with phase at 131, inlet valve 41, load motor 101 and drain valve 51
Corresponding port, each port respectively with corresponding sensor module 13, water inlet control module 4, motor control module 10 and draining
The terminal of control module 5 is connected.By data/address bus by main control module 1, sensor module 13, water inlet control module 4, motor
Control module 10 and draining control module 5 are sequentially connected in series, and realize each function being arranged in each load or at load
Information transmission between energy control module.In the present embodiment, above-mentioned main control module and each functional control module can also be by any orders
It is connected in series through data/address bus.
As a kind of preferred embodiment of the invention: the functional control module further include: door lock control module 6,
Dry control module 7, the automatic combination for launching one of control module 8, heating control module 9 or at least two.
As a kind of preferred embodiment of the invention, the load of the drying control module 7 is to constitute washing machine to dry
Each drying component 71 of drying object system；The drying control module 7 can be set on independent circuits plate or be set to control circuit
On plate.Preferably, the drying control module 7 be for control washing machine dry 71 working condition of component, be mounted on and lean on
Intelligent control computer plate at nearly drying component.Constitute drying control module 7 intelligent control computer plate directly with drying component
It is connected.
In the present embodiment, the data/address bus 3 is successively by control panel 11, drying component 71, inlet valve 41, load
Motor 101 and drain valve 51.The data/address bus 3 is respectively equipped with corresponding port, each port point at above-mentioned each load
It is not connected with the terminal of corresponding drying control module 7, water inlet control module 4, motor control module 10 and draining control module 5
It connects, makes data/address bus by main control module, drying control module, water inlet control module, motor control module and draining control module
Be sequentially connected in series, realize be arranged in each load or each functional control module at the load between information transmission.This
In embodiment, above-mentioned main control module can be also connected in series by any order through data/address bus with each functional control module.
In the present embodiment, extend power bus 2 at the power supply adaptor 12 of washing machine into washing machine shell, it is described
Power bus 2 is successively by control panel 11, drying component 71, inlet valve 41, load motor 101 and drain valve 51.Described
Power bus 2 is respectively equipped with corresponding port at above-mentioned each load, each port respectively with corresponding main control module 1, dry
Dry control module 7, water inlet control module 4, motor control module 10 are connected with the terminal of draining control module 5.Pass through power
Main control module, drying control module, water inlet control module, motor control module and draining control module are sequentially connected in series company by bus
It connects, realizes the power distribution for each functional control module being arranged in each load or at load.It is above-mentioned in the present embodiment
Main control module can be also connected in series by any order through power bus with each functional control module.
As a kind of preferred embodiment of the invention；The automatic dispensing control module 8 can be set to independent circuits plate
Above or it is set in control circuit board；The load of the automatic dispensing control module 8 is that control detergent box 82 is launched automatic
Putting module 81.In the present embodiment, the automatic putting module 81 is made of automatic feeder, outside automatic feeder and washing machine
Bucket is connected through launching pipeline, and the dispensing pipeline is equipped with control valve.Preferably, the automatic dispensing control module 8
For liquid detergent and/or washing powder and/or softening agent for controlling washing machine injected volume, be arranged close at control valve
Intelligent control computer plate.Constitute the automatic intelligent control computer plate for launching control module 8 directly with form automatic putting module 81
Control valve be connected.
In the present embodiment, the data/address bus 3 is successively by control panel 11, the automatic putting module of detergent box
81, inlet valve 41, load motor 101 and drain valve 51.The data/address bus 3 is respectively equipped with corresponding at above-mentioned each load
Port, each port respectively with corresponding automatic dispensing control module 8, water inlet control module 4, motor control module 10 and draining
The terminal of control module 5 is connected, and makes data/address bus by main control module, launches control module automatically, water inlet control module, motor
Control module and draining control module are sequentially connected in series, and realize each function control being arranged in each load or at load
The information of intermodule processed is transmitted.In the present embodiment, above-mentioned main control module and each functional control module can also be by any orders through number
It is connected in series according to bus.
In the present embodiment, extend power bus 2 at the power supply adaptor of washing machine into washing machine shell, described is dynamic
Power bus 2 is successively by control panel 11, the automatic putting module 81 of detergent box 82, inlet valve 41, load motor 101 and row
Water valve 51.The power bus 2 is respectively equipped with corresponding port at above-mentioned each load, each port respectively with it is corresponding
Main control module 1 launches control module, water inlet control module 4, motor control module 10 and the terminal for draining control module 5 automatically
It is connected.Control module, water inlet control module, motor control module and row are launched by main control module, automatically by power bus
Water management module is sequentially connected in series, and realizes the power for each functional control module being arranged in each load or at load
Distribution.In the present embodiment, above-mentioned main control module can also connect by any order through power bus with each functional control module
Connection.
As a kind of preferred embodiment of the invention, the heating control module 9 can be set to independent circuits plate on or
In control circuit board.The load of the heating control module is the heating component in heating system.The heating group
Part includes any heating component such as heater strip 91, heating tube or heat pump system.In the present embodiment, it is preferred that heating component
For heater strip 91；It is further preferred that the heater strip 91 is set in inlet pipeline, water inlet water flow is heated.It is described
Heating control module 9 be for controlling the heating component heated condition of washing machine, the intelligence that is arranged close at heater strip 91
It can control computer board.The intelligent control circuit for constituting heating control module 9 is directly connected with heater strip 91.
In the present embodiment, the data/address bus 3 successively by control panel 11, inlet valve 41, at the heater strip 91,
Load motor 101 and drain valve 51.The data/address bus 3 is respectively equipped with corresponding port at above-mentioned each load, each to hold
Mouth respectively with it is corresponding water inlet control module 4, heating control module 9, motor control module 10 and drain control module 5 terminal
It is connected, controls data/address bus by main control module, water inlet control module, heating control module, motor control module and draining
Module is sequentially connected in series, realize be arranged in each load or each functional control module at the load between information pass
It is defeated.In the present embodiment, above-mentioned main control module can also carry out the company of series connection through data/address bus by any order with each functional control module
It connects.
In the present embodiment, extend power bus 2 at the power supply adaptor of washing machine into washing machine shell, described is dynamic
Power bus 2 is successively by control panel 11, inlet valve 41, at the heater strip 91, load motor 101 and drain valve 51.It is described
Power bus 2 be respectively equipped with corresponding port at above-mentioned each load, each port respectively with corresponding main control module 1,
Water inlet control module 4, heating control module 9, motor control module 10 are connected with the terminal of draining control module 5.By dynamic
Main control module, water inlet control module, heating control module, motor control module and draining control module are sequentially connected in series by power bus
Connection realizes the power distribution for each functional control module being arranged in each load or at load.In the present embodiment, on
Stating main control module can be also connected in series by any order through power bus with each functional control module.
As a kind of preferred embodiment of the invention: at least one functional control module and master control in above embodiment
Module 1 is set in control circuit board, is set to each functional control module in control circuit board jointly with main control module 1 respectively through even
Wiring is connected with corresponding load.Meanwhile distinguishing equipped with the control circuit board of main control module and at least one functional control module
Through power bus and data/address bus, other are set to each functional control module on the circuit board relatively independent with control circuit board
It is sequentially connected in series, it is upper or negative close to corresponding to that the independent circuits plate equipped with each functional control module is mounted on corresponding load
At load.
Since the common main control module 1 in control circuit board is mutually interconnected with each functional control module through connecting circuit
It connects, and main control module 1 and each functional control module is made to be connected respectively through power bus terminal with power bus, through data bus terminal
Son is connected with data/address bus so that set in the control circuit board main control module 1 and each functional control module respectively with its
Each functional control module that he is set on independent circuits plate is connected in series with each other, and has been reached main control module 1 and each function control
Module effect interconnected realizes the purpose of each intermodular data transmission, dynamic Control.
A kind of washing machine unbalance detection of the invention is described in detail with reference to the accompanying drawing:
As shown in figure 4, being a kind of program control flow chart of washing machine unbalance detection of the invention, including as follows
Step:
Step S1, operation dehydration timing execute eccentricity detection examination dehydration movement.
User's operation control panel 11 makes washing machine work, and main control module 1 controls washing machine and enters dehydration timing, main
Control module 1 controls motor control module 10 and eccentricity detection examination dehydration movement is first carried out, and eccentricity detection examination dehydration movement is
In order to detect washing machine enter dehydration timing it is initial when eccentric situation.Eccentricity detection examination dehydration movement is that washing machine inner tub is light
Micro- rotates, and in the moment of rotation, the eccentricity detection that sensor detection module carries out washing machine immediately is initial to obtain
Eccentricity.Because including eccentricity detection examination dehydration movement in eccentric quantity measuring method of the invention, the present invention can be kept away
Exempt from washing machine have just enter into the water smoking due to eccentricity is excessive and there is a phenomenon where " hitting bucket ", and this phenomenon is in existing dehydration
Stage is not can avoid and the frequency occurred is very high.
Step S2, sensor module execute the eccentric situation of eccentricity detection operation real-time detection machine, and initial setting is de-
Water curve.
Washing machine of the invention is provided with the sensor module 13 of detection eccentricity, and sensor of the invention module 13 can be right
The eccentricity of washing machine carries out actively detection in real time.Sensor module 13 is examined when eccentricity detects examination dehydration movement
It surveys, obtains the initial eccentricity amount of outer barrel of washing machine, and according to the initial eccentricity amount initial setting water desorption curve.Of the invention is initial
Water desorption curve is the theoretical curve in water smoking, generally comprises eccentricity detection examination water smoking, low speed water smoking and high speed
Water smoking, but in actual dehydration, due to that can be modified to eccentricity, water desorption curve can also be made
Corresponding amendment is to guarantee going on smoothly for water smoking.Water desorption curve of the invention can according to the initial eccentricity amount of washing machine into
Row selection guarantees going on smoothly for dehydration to obtain most suitable dewatering speed, avoids eccentric " hitting bucket " phenomenon.
Step S3 executes low speed dehydration movement, sensor module real-time detection low speed eccentricity according to water desorption curve.
The data that sensor of the invention module 13 is tested and analyzed to main control module 1 by the transmission of data/address bus 3, master control mould
Block 1 controls motor control module 10 according to data and executes low speed dehydration movement into the low speed water smoking, in the low speed water smoking
The detection of 13 real-time perfoming eccentricity of sensor module.The present invention enters the low speed water smoking according to the dehydration of initial setting for the first time
Curve, after carrying out run-out modification in the low speed water smoking, the water desorption curve of initial setting is modified accordingly, then again
Into the low speed water smoking according to revised water desorption curve.
Step S4 judges whether the low speed eccentricity of detection is more than limit value.
The setting of limit value of the invention needs to obtain by accordingly experiment, due to type difference, cause different types of
Washing machine limit value can be different, and outer barrel occurs eccentric and outer barrel is caused to hit the critical of cabinet when limit value is laundry machine dehydration
Inclination angle value.
Step S5 if the determination result is YES then executes low speed eccentricity corrective action, if judging result be it is no, under
One step.
Step S6 executes high speed dewatering movement, sensor module real-time detection high speed eccentricity.
Step S7 judges whether the high speed eccentricity of high speed dewatering movement is more than limit value.
Step S8, if the determination result is YES, execute high speed run-out modification movement, if judging result be it is no, with high speed dewatering
Movement terminates.
Dehydration is divided into three phases by unbalance detection of the invention: the eccentricity detection examination water smoking, main
If obtaining initial eccentricity amount by examination dehydration, initial dewatering curve is determined；The low speed water smoking, be carry out eccentricity detection and
Modified Main Stage, and when eccentricity in low speed water smoking is not corrected, will not enter the high speed dewatering stage；High speed dewatering
Stage is the Main Stage being dehydrated, and the high speed dewatering stage also carries out eccentricity detecting and amendment, it should by those skilled in the art
Member will be understood by, and since the low speed water smoking is to eccentricity to meet the requirements, finally complete to be dehydrated with the high speed dewatering stage.
Therefore, unbalance detection of the invention can actively carry out eccentricity detecting and amendment in real time, and not
The same water smoking carries out targetedly eccentricity detecting and amendment, so unbalance detection of the invention is more accurate,
It reacts sensitiveer.
As a preferred embodiment of the present invention, the present invention is disclosed simultaneously in the inclined of low speed water smoking progress
Heart modification method, specifically, low speed eccentricity corrective action in the step S5 the following steps are included:
Step S51, low speed dehydration movement stop；
Step S52 corrects water desorption curve；
Step S53 executes low speed dehydration movement according to revised water desorption curve, returns to step S3.
The eccentricity that the present invention is detected when sensor is greater than limit value, that is, main when hitting barrel trend or hitting barrel situation
It controls module 1 and issues the signal that motor stops to motor control module 10, motor control module 10 controls motor stopping movement, simultaneously
Sensor module 13 will correct water desorption curve again, reenter the low speed water smoking according to revised water desorption curve.
As a kind of preferred embodiment of the invention, low speed eccentricity corrective action is most in step S5 of the invention
N times are executed, the N meets: 0 N≤10 <；Preferably, N=3 times.
As a preferred embodiment of the present invention, it is greater than when above-mentioned steps 551-S53 not can solve eccentricity still
When the problem of limit value, that is, work as, when low speed eccentricity corrective action executes number more than n times in the step S5, then executes
Following steps:
Step S54 executes water filling washing corrective action；
Step S55 executes draining movement；
Step S56 returns to step S1.As a kind of preferred embodiment of the invention, step S54 of the invention is most
It executes M times, the M satisfaction: 0 M≤10 <, it is preferable that M=3 times.If the number that step S54 is executed is greater than M, execute
Actuation of an alarm.
Above-mentioned run-out modification method is main control module 1 to the water inlet sending signal of control module 4, and water inlet control module 4 is controlled
Water intake valve processed, the mode washed again balance bias；It is drained after balance and reruns dehydration timing again, if repeatedly for three times
If water inlet amendment is not still avoided that " hitting bucket ", control module will alarm.
Run-out modification method that analysis both the above carried out in the low speed water smoking is it is found that low speed water smoking of the invention
It only just can then alarm, use after eccentricity can not be corrected into the high speed dewatering stage when eccentricity is less than limit value
Family is with carrying out eccentric balance manually according to alarm or carrying out relevant maintenance.Therefore, the present invention can avoid in high speed dewatering rank
Section leads to " hitting bucket " since eccentricity is excessive, and " the hitting bucket " in high speed dewatering stage is often larger to the damage of casing of washing machine.
In order to further guarantee going on smoothly for water smoking, the present invention has carried out bias in the high speed dewatering stage simultaneously
Detection and run-out modification, as a kind of preferred embodiment of the invention, the high speed bias in step S8 of the present invention is repaired
Direct action the following steps are included:
Step S81 executes speed, acceleration corrective action, sensor module real-time detection high speed eccentricity；
Step S82 judges whether high speed eccentricity is more than limit value；
Step S83 if the determination result is YES then executes deceleration run-out modification, into next step, if judging result is
It is no, terminated with high speed dewatering movement；
Step S84, to terminate compared with low speed dehydration movement.
The correction result in high speed dewatering stage of the invention is finally terminated with high speed dewatering movement or lower quick-action work, this
The high speed dewatering stage can just be entered when mainly only meeting limit value due to the eccentricity in low speed water smoking of the invention.Cause
This, strictly speaking, high speed run-out modification movement of the invention is to further ensure that smoothly completing for dehydration.Institute in the present invention
The relatively low speed dehydration movement referred to refers to that the revolving speed of dehydration is slightly less than the revolving speed in the high speed dewatering stage of former setting, but this is lower
Revolving speed is still able to satisfy dehydration and requires, and " hitting bucket " phenomenon will not occur.Therefore, the run-out modification in high speed dewatering stage of the invention
Acceleration, speed are mainly corrected by 1 order motor control module 10 of main control module to realize.
As shown in figure 5, be a kind of water desorption curve figure of the invention, wherein in figure:
The part 0-a: eccentricity detection examination dehydration movement；
The part a-b: motor stops；
The part b-c: motor Accelerating running enters the low speed water smoking；
The part c-d: low speed water smoking, the operation of motor low speed；
The part d-e: motor Accelerating running enters the high speed dewatering stage；
The part e-f: high speed dewatering stage, high speed operation of motor.
It should be readily appreciated by one skilled in the art, which is example plot, in actual moving process,
Because it is different to be dehydrated actual conditions, water desorption curve is also different.For example, the motor in a-b stage will not stop, decelerating through motor is arrived
Certain value directly enters the low speed water smoking from the examination water smoking；The high speed of e-f is entered from the low speed water smoking of c-d
Water smoking needs to carry out multiple adjustment, steps into, rather than directly disposably accelerates from the low speed water smoking in this curve
Into the high speed dewatering stage.
Sensor of the invention module as shown in Figure 6 further includes operation control chip part:
Operation control chip of the present invention:
Examination dehydration movement and low speed dehydration action phase are detected according to 3-axis acceleration and three-axis gyroscope in eccentricity
Distance relation between detection data and outer barrel and cabinet corrects out eccentricity limit value data, and parses and do not hit the de- of bucket
Water curved line arithmetic；
It is dehydrated action phase in high speed dewatering action phase or compared with low speed, operation corrects acceleration and speed by the algorithm
The water desorption curve of angle value, and according to 3-axis acceleration and three-axis gyroscope real-time correction, maintenance does not hit tubbiness state until de-
Water EP (end of program).
In order to further increase the accuracy of detection, as shown in figure 8, the real-time detection of sensor module of the present invention
When at least one in the middle part of outer barrel top, and/or outer barrel, and/or on outer barrel lower part is arranged in position at the hour, it is preferable that institute
Hour when the real-time detection position for the sensor module stated is separately positioned on 8 of three height in outer barrel upper, middle and lower
Place.
In the actual use process, the cabinet of washing machine may cause to tilt since the position of placement is uneven, because
This needs to consider the variable in actual eccentricity limit value, as shown in figure 9, eccentricity limit value of the present invention is also
Depending on the inclination angle alpha that cabinet is horizontally arranged, 0 α≤10 ° <, only when the inclination angle alpha of cabinet meets this model
When enclosing interior, limit value is only effectively, and when an angle of inclination is too large, limit value is no longer applicable in.
The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this patent
Member without departing from the scope of the present invention, when the technology contents using above-mentioned prompt make it is a little change or be modified to
The equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, it is right according to the technical essence of the invention
Any simple modification, equivalent change and modification made by above embodiments, in the range of still falling within the present invention program.
Claims (10)
1. a kind of unbalance detection of washing machine, which is characterized in that washing machine includes main control module (1) and function control
Module, each functional control module are connected with corresponding load respectively；It is characterized by: the functional control module includes sensing
Device module (13)；The sensor module (13) and main control module (1) is arranged independently of each other；Main control module (1), sensor die
Block (13) is connected with data/address bus (3) and power bus (2) respectively；The corresponding sensor die of sensor module (11)
Block load (131) is that perhaps six axle sensors or nine axis sense for the acceleration transducer that detect for washing machine imbalance
Device；
Unbalance detection includes the following steps:
Step S1, operation dehydration timing execute eccentricity detection examination dehydration movement,
Step S2, sensor module execute the eccentric situation of eccentricity detection operation real-time detection machine, and initial setting dehydration is bent
Line；
Step S3 executes low speed dehydration movement, sensor module real-time detection low speed eccentricity according to water desorption curve；
Step S4 judges whether the low speed eccentricity of detection is more than limit value；
Step S5 if the determination result is YES then executes low speed eccentricity corrective action, if judging result be it is no, into next step
Suddenly；
Step S6 executes high speed dewatering movement, sensor module real-time detection high speed eccentricity；
Step S7 judges whether the high speed eccentricity of high speed dewatering movement is more than limit value；
Step S8, if the determination result is YES, execute high speed run-out modification movement, if judging result be it is no, acted with high speed dewatering
Terminate；
Low speed eccentricity corrective action in the step S5 the following steps are included:
Step S51, low speed dehydration movement stop；
Step S52 corrects water desorption curve；
Step S53 executes low speed dehydration movement according to revised water desorption curve, returns to step S3.
2. a kind of unbalance detection of washing machine according to claim 1, which is characterized in that in the step S5
Low speed eccentricity corrective action at most executes n times, and the N meets: 0 N≤10 <.
3. a kind of unbalance detection of washing machine according to claim 2, which is characterized in that in the step S5
When low speed eccentricity corrective action executes number more than n times, then following steps are executed:
Step S54 executes water filling washing corrective action；
Step S55 executes draining movement；
Step S56 returns to step S1.
4. a kind of unbalance detection of washing machine according to claim 3, which is characterized in that the step S54
It at most executes M times, the M satisfaction: 0 M≤10 < execute actuation of an alarm if the number that step S54 is executed is greater than M.
5. a kind of unbalance detection of washing machine according to claim 1, which is characterized in that in the step S8
High speed run-out modification movement the following steps are included:
Step S81 executes speed, acceleration corrective action, sensor module real-time detection high speed eccentricity；
Step S82 judges whether high speed eccentricity is more than limit value；
Step S83 if the determination result is YES then executes deceleration run-out modification, into next step, if judging result be it is no, with
High speed dewatering movement terminates；
Step S84, to terminate compared with low speed dehydration movement.
6. a kind of unbalance detection of washing machine according to claim 1, which is characterized in that the six axis sensing
Device includes 3-axis acceleration device and three-axis gyroscope:
3-axis acceleration device sense outer barrel linear acceleration and tilt angle, can induction bonded linearly with the width of acceleration of gravity
Degree and direction；
Three-axis gyroscope senses the angular velocity of rotation of outer barrel, tracks outer barrel motion direction and spinning movement；
Nine axle sensors include 3-axis acceleration device, three-axis gyroscope and three axle magnetometer, the three axle magnetometer
The direction of motion of outer barrel can be sensed.
7. a kind of unbalance detection of washing machine according to claim 1, which is characterized in that the sensor die
Block loads (131) setting in outer barrel bottom, and perhaps setting in outer tub side wall or is arranged at sunpender；The sensor die
Block (11) setting is in sensor module load (131) or at sensor module load (131).
8. a kind of unbalance detection of washing machine according to claim 1, which is characterized in that the function control
Module at least further includes motor control module (10), water inlet control module (4) and draining control module (5)；The function control
At least one in molding block is arranged independently of each other with main control module (1)；Main control module (1), each function control being independently arranged
Module is connected with data/address bus (3) and power bus (2) respectively.
9. a kind of unbalance detection of washing machine according to claim 8, which is characterized in that all functions
Control module is arranged with main control module (1) independently of each other respectively.
10. a kind of unbalance detection of washing machine according to claim 1, it is characterised in that: the function control
Molding block further include: door lock control module (6), launches control module (8), heating control module at drying control module (7) automatically
One of (9) or at least two combination.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410267444.1A CN105274775B (en) | 2014-06-16 | 2014-06-16 | A kind of unbalance detection of washing machine |
| US15/318,778 US20170121881A1 (en) | 2014-06-16 | 2014-07-02 | A method for detecting imbalance of washing machine, and a washing machine |
| AU2014398012A AU2014398012A1 (en) | 2014-06-16 | 2014-07-02 | Method for detecting imbalance of washing machine, and washing machine |
| KR1020177001074A KR20170018432A (en) | 2014-06-16 | 2014-07-02 | Method for detecting imbalance of washing machine, and washing machine |
| JP2016570843A JP6524508B2 (en) | 2014-06-16 | 2014-07-02 | Washing machine imbalance detection method and washing machine |
| PCT/CN2014/081462 WO2015192403A1 (en) | 2014-06-16 | 2014-07-02 | Method for detecting imbalance of washing machine, and washing machine |
| EP14895145.2A EP3156536A4 (en) | 2014-06-16 | 2014-07-02 | Method for detecting imbalance of washing machine, and washing machine |
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| CN201410267444.1A CN105274775B (en) | 2014-06-16 | 2014-06-16 | A kind of unbalance detection of washing machine |
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| CN105274775B true CN105274775B (en) | 2019-04-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7061755B2 (en) * | 2016-12-27 | 2022-05-02 | 青島海爾洗衣机有限公司 | Drum type washing machine |
| CN108570796A (en) * | 2017-03-09 | 2018-09-25 | 惠州市蓝微电子有限公司 | A kind of washing machine and unbalance detection of uneven detection |
| CN106948128A (en) * | 2017-05-10 | 2017-07-14 | 江苏新安电器有限公司 | A kind of roller washing machine collaboration eccentricity detection system based on gyroscope |
| CN109894285B (en) * | 2017-12-07 | 2021-05-14 | 上海力申科学仪器有限公司 | Centrifuge unbalance detection system and method |
| CN108589177A (en) * | 2018-03-20 | 2018-09-28 | 江苏新安电器有限公司 | A kind of washing machine imbalance detection system based on angle measurement |
| CN108693795B (en) * | 2018-04-20 | 2021-12-31 | 上海海尔洗涤电器有限公司 | Washing machine debugging method and washing machine |
| US10801156B2 (en) * | 2018-06-12 | 2020-10-13 | Haier Us Appliance Solutions, Inc. | Washing machine appliances and methods of pump operation |
| CN108823899B (en) * | 2018-08-02 | 2023-03-28 | 青岛海尔洗衣机有限公司 | Washing machine and control method thereof |
| JP7252534B2 (en) * | 2018-11-26 | 2023-04-05 | 青島海爾洗衣机有限公司 | Dehydrator |
| CN113026296A (en) * | 2019-12-09 | 2021-06-25 | 青岛海尔洗衣机有限公司 | Washing machine control method and washing machine |
| CN114318767B (en) * | 2020-09-30 | 2023-02-24 | 无锡小天鹅电器有限公司 | Clothes treatment equipment and control method thereof |
| CN113430778B (en) * | 2021-06-02 | 2022-12-13 | 四川虹美智能科技有限公司 | Eccentricity detection method for drum washing machine, drum washing machine and control method thereof |
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