CN205999638U - Washing machine and its dehydration and vibration detection means - Google Patents
Washing machine and its dehydration and vibration detection means Download PDFInfo
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- CN205999638U CN205999638U CN201620688283.8U CN201620688283U CN205999638U CN 205999638 U CN205999638 U CN 205999638U CN 201620688283 U CN201620688283 U CN 201620688283U CN 205999638 U CN205999638 U CN 205999638U
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Abstract
The utility model discloses a kind of washing machine and its dehydration and vibration detection means, wherein, dehydration and vibration detection means, including：Be arranged on washing machine bucket portion dress or panel on acceleration detection module, in order to detect acceleration of vibration during laundry machine dehydration；In order to detect the velocity measuring module of dehydrating vessel in washing machine rotating speed；And vibration calculating module, vibration calculating module is connected with acceleration detection module and velocity measuring module respectively, in order to calculate the vibration displacement amount of washing machine according to acceleration of vibration and rotating speed, to obtain the Vibration Condition of washing machine.This device can be calculated the vibration displacement amount of washing machine according to acceleration of vibration during laundry machine dehydration and dehydration barrel rotating speed, thus obtaining the Vibration Condition of washing machine, reaching minimizing dehydration abnormal conditions, improving the purpose of dewatering.
Description
Technical field
This utility model is related to household electrical appliance technical field, particularly to a kind of washing machine dehydration and vibration detection means and
A kind of washing machine.
Background technology
During rotary drum washing machine dehydration, when laundry machine barrel undergarment skewness, rotary drum washing machine can be caused to produce relatively
Big vibration, this not only can have a strong impact on user's impression, and can reduce the service life of rotary drum washing machine.Pacify on rotary drum washing machine
The machinery of dress hits the function that bucket switch has detection laod unbalance, when imbalance is detected, can be by readjusting load
Distribution, vibration when making rotary drum washing machine be dehydrated reduces.
In correlation technique, as shown in figure 1, rotary drum washing machine detection dehydration and vibration device is apart from dehydrating vessel in washing machine one
Fixed position is installed machinery and is hit bucket switch 100, and this switch has and certain severs stroke.When in washing machine due to medicated clothing be wound around produce
When uneven, can cause dehydration barrel, in dehydration, larger vibration occurs.If the side-play amount of dehydration barrel vibration is hit has reached machinery
That hits bucket switch 100 severs stroke, then machinery hits bucket switch and 100 severs, and carries out after medicated clothing shakes loose, is more again dehydrated.
Although this device cost is relatively low, application is more ripe, this device hits bucket and switchs 100 required precisions relatively to machinery
Height, and larger to the dependency of dehydration barrel movement locus.In many cases, when bucket undergarment is uneven larger, due to dehydration
The uncertainty of bucket movement locus, can make dehydration barrel cannot bump against machinery and hit bucket switch 100, cause machinery to hit bucket switch 100
Lost efficacy, so that washing machine produces hits the abnormal phenomenas such as casing, displacement.And, machinery hits bucket switch 100 and only starts rank in dehydration
Section (rotating speed is less than or equal to 300rpm) carries out vibration and judges, cannot judge the Vibration Condition of washing machine in the stage afterwards, in machine
Tool hits the stage that bucket switch 100 cannot judge to vibrate, if the vibration of dehydration barrel is larger, washing machine also can be caused to produce and hit case
The abnormal phenomenas such as body, displacement.
Therefore, how to provide a kind of dehydration and vibration detection means of new washing machine, become those skilled in the art urgently
Problem to be solved.
Utility model content
This utility model is intended at least solve one of technical problem in correlation technique to a certain extent.
For this reason, a purpose of the present utility model is to propose a kind of dehydration and vibration detection means of washing machine, this device
The vibration displacement amount of washing machine can be calculated according to acceleration of vibration during laundry machine dehydration and dehydration barrel rotating speed, thus obtaining
Obtain the Vibration Condition of washing machine, reach minimizing dehydration abnormal conditions, improve the purpose of dewatering.
Another purpose of the present utility model is to propose a kind of washing machine.
For reaching above-mentioned purpose, this utility model first aspect proposes a kind of dehydration and vibration detection means of washing machine,
Including：Be arranged on described washing machine bucket portion dress or panel on acceleration detection module, in order to detect described washing machine
Acceleration of vibration during dehydration；In order to detect the velocity measuring module of described dehydrating vessel in washing machine rotating speed；And vibration calculating mould
Block, described vibration calculating module is connected with described acceleration detection module and described velocity measuring module respectively, in order to according to institute
State acceleration of vibration and described rotating speed calculates the vibration displacement amount of described washing machine, to obtain the Vibration Condition of described washing machine.
The dehydration and vibration detection means of washing machine of the present utility model, detects laundry machine dehydration by acceleration detection module
When acceleration of vibration, and Negotiation speed detection module detect described dehydrating vessel in washing machine rotating speed, finally by vibration calculating mould
Tuber calculates the vibration displacement amount of washing machine according to acceleration of vibration and rotating speed, to obtain the Vibration Condition of washing machine, thus reaching
Reduce dehydration abnormal conditions, improve the purpose of dewatering.
Specifically, described acceleration detection module is acceleration transducer, and described acceleration transducer is arranged on described bucket
Portion loads onto.
Specifically, described acceleration detection module is acceleration sensor chip, and described acceleration sensor chip is embedded in
On described panel.
Further, described panel is the hardwired PCB of casing with described bucket portion dress or described washing machine
(Printed Circuit Board, printed circuit board) plate.
For reaching above-mentioned purpose, another aspect of the present utility model proposes a kind of washing machine, and it includes this utility model
The dehydration and vibration detection means of above-mentioned washing machine.
Washing machine of the present utility model, by the acceleration detection module of the dehydration and vibration detection means of above-mentioned washing machine
Acceleration of vibration during detection laundry machine dehydration, and Negotiation speed detection module detects described dehydrating vessel in washing machine rotating speed, finally
Calculate the vibration displacement amount of washing machine by vibration calculating module according to acceleration of vibration and rotating speed, to obtain the vibration of washing machine
Situation, thus reaching minimizing dehydration abnormal conditions, improves the purpose of dewatering.
Specifically, described washing machine is rotary drum washing machine.
Brief description
The above-mentioned and/or additional aspect of this utility model and advantage from the following description of the accompanying drawings of embodiments will
Become obvious and easy to understand, wherein,
Fig. 1 is the structural representation of the dehydration and vibration detection means of washing machine in correlation technique；
Fig. 2 is the block diagram of the dehydration and vibration detection means of the washing machine according to one embodiment of this utility model；
Fig. 3 is the schematic diagram of the acceleration transducer set location according to one embodiment of this utility model；
Fig. 4 is the schematic diagram of the embedded location of the acceleration sensor chip according to one embodiment of this utility model；
Fig. 5 is that the square frame of the dehydration and vibration detection means of the washing machine according to another embodiment of this utility model is illustrated
Figure；And
Fig. 6 is the flow chart of the dehydration and vibration detection method of the washing machine according to one embodiment of this utility model.
Reference：Acceleration detection module 10, acceleration transducer 11, velocity measuring module 20, vibration calculating module
30th, rate control module 40, machinery hit bucket switch 100, bucket portion fills 200, panel 300, casing 400, acceleration transducer core
The embedded location 500 of piece.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of described embodiment is shown in the drawings, wherein ad initio
To the element that same or similar label represents same or similar element or has same or like function eventually.Below by ginseng
The embodiment examining Description of Drawings is exemplary it is intended to be used for explaining this utility model, and it is not intended that to this utility model
Restriction.
The washing machine being proposed according to this utility model embodiment and its dehydration and vibration detection dress to be described with reference to the accompanying drawings
Put and method.
Fig. 2 is the block diagram of the dehydration and vibration detection means of the washing machine according to one embodiment of this utility model.
As shown in Fig. 2 this dehydration and vibration detection means can include：Acceleration detection module 10, velocity measuring module 20 and vibrameter
Calculate module 30.
Wherein, acceleration detection module 10 is arranged on bucket portion dress or the panel of washing machine, in order to detect washing machine
Acceleration of vibration a during dehydration.Velocity measuring module 20, for example can be by velocity measuring in order to detect dehydrating vessel in washing machine rotational speed omega
Module 20 is arranged on motor, obtains dehydrating vessel in washing machine rotational speed omega by detecting the rotating speed of motor.30 points of vibration calculating module
Not be not connected 20 with acceleration detection module 10 and velocity measuring module, do washing in order to be calculated according to acceleration of vibration a and rotational speed omega
Vibration displacement amount A of machine, to obtain the Vibration Condition of washing machine.
Specifically, in washing machine execution dehydration procedure, if the medicated clothing in washing machine is in unbalanced state, that is, do washing
Machine creates certain bias, and when offset is different, the vibratory output producing during dehydration is different, and vibration calculating module 30 can root
The acceleration of vibration a detecting according to acceleration detection module 10 and the rotational speed omega of velocity measuring module 20 detection, can calculate
Vibration displacement amount A.
Specifically, during dehydrating vessel in washing machine motion, its motion can be equivalent to the simple harmonic motion of single-degree-of-freedom, expression formula
For：Wherein, the maximum displacement that A vibrates for dehydrating vessel in washing machine, the power of reflection vibration；ω is to wash
The rotating speed of clothing machine dehydration, is determined by system itself, unrelated with initial condition, the speed of reflection vibration；Phase placeIn order to true
Determine the vibrational state of any time.
Thus can obtain,
When different, the maximum displacement A of dehydrating vessel in washing machine vibration can be equivalent to：K is constant coefficient.
Therefore, the acceleration of vibration a being detected by acceleration detection module 10 and velocity measuring module 20 detection turn
Fast ω, after vibration calculating module 30 calculates, can obtain vibration displacement amount A, thus obtaining the Vibration Condition of washing machine.
According to an embodiment of the present utility model, as shown in figure 3, acceleration detection module 10 can be acceleration sensing
Device 11, acceleration transducer 11 is arranged on bucket portion and fills on 200.
Specifically, acceleration transducer 11 is arranged on the bucket portion of washing machine and fills on 200, need to have package casing and shielding line,
Acceleration transducer 11 by wire harness, the vibration acceleration signal detecting is sent on the master control borad of washing machine.
According to an embodiment of the present utility model, as shown in figure 4, acceleration detection module 10 can also pass for acceleration
Sensor chip, acceleration sensor chip is embedded on panel 300.Panel 300 is the case filling 200 or washing machine with bucket portion
The hardwired pcb board of body 400.
Specifically, fill in the casing 400 with washing machine or bucket portion and acceleration sensing is embedded on 200 hardwired pcb boards
Device chip, acceleration sensor chip and pcb board are an entirety.This pcb board can be main control computer plate or the frequency conversion of washing machine
The original pcb board of plate, as washing machine, in addition to execution washing machine original function, can also detect the acceleration of dehydration barrel
In addition information, need not increase new pcb board.This pcb board both may be selected the pcb board being connected with bucket it is also possible to select with casing 400 even
The pcb board connecing, but require to fill 200 and carry out Hard link with casing 400 or bucket portion, casing of washing machine 400 or bucket can be reflected in real time
Vibration.Acceleration detection module 10 can include acceleration sensor chip and peripheral signal process circuit, acceleration sensing
Device chip preferred three-dimensional acceleration sensor chip, the acceleration of vibration in three directions when can be dehydrated with real-time detection clothing machine
ax、ay、az.
It is appreciated that two kinds of embodiments of Fig. 3 and Fig. 4 to realize principle identical, only mounting means is different.Reality shown in Fig. 3
Apply the relatively costly of example, but degree of accuracy is high；The low cost of embodiment illustrated in fig. 4, but degree of accuracy is slightly worse.Can be wanted according to different
Ask and select different mounting means.
According to an embodiment of the present utility model, as shown in figure 5, the dehydration and vibration detection means of above-mentioned washing machine is also
Rate control module 40 can be included, vibration displacement amount A of the dehydrating vessel in washing machine in order to feed back according to vibration calculating module 30
With corresponding algorithm, the rotating speed V of dynamic regulation motor, thus reaching minimizing dehydration abnormal conditions, improve the purpose of dewatering.
In sum, the dehydration and vibration detection means of the washing machine of this utility model embodiment, by acceleration detection mould
Block detects acceleration of vibration during laundry machine dehydration, and Negotiation speed detection module detects described dehydrating vessel in washing machine rotating speed,
Pass through the vibration displacement amount that vibration calculating module calculates washing machine according to acceleration of vibration and rotating speed afterwards, to obtain shaking of washing machine
Emotionally condition, thus reaching minimizing dehydration abnormal conditions, improves the purpose of dewatering.
Additionally, this utility model embodiment also proposes a kind of washing machine, it includes above-mentioned dehydration and vibration detection means.
According to an embodiment of the present utility model, above-mentioned washing machine can be rotary drum washing machine.
The washing machine of this utility model embodiment, by the acceleration inspection of the dehydration and vibration detection means of above-mentioned washing machine
Survey acceleration of vibration during module detection laundry machine dehydration, and Negotiation speed detection module detects that described dehydrating vessel in washing machine turns
Speed, calculates the vibration displacement amount of washing machine, to obtain laundry finally by vibration calculating module according to acceleration of vibration and rotating speed
The Vibration Condition of machine, thus reaching minimizing dehydration abnormal conditions, improves the purpose of dewatering.
Fig. 6 is the flow chart of the dehydration and vibration detection method of the washing machine according to one embodiment of this utility model.As Fig. 6
Shown, this dehydration and vibration detection method comprises the following steps：
S1, in washing machine execution dehydration procedure, acceleration of vibration a during real-time detection laundry machine dehydration, and detect and wash
The rotational speed omega of clothing machine dehydration barrel.
According to an embodiment of the present utility model, as shown in figure 3, can be by being arranged on what the bucket portion of washing machine was loaded onto
Acceleration transducer detects acceleration of vibration a.
Specifically, acceleration transducer is arranged on the bucket portion of washing machine and loads onto, and need to have package casing and shielding line, acceleration
Sensor by wire harness, the vibration acceleration signal detecting is sent on the master control borad of washing machine.
According to an embodiment of the present utility model, as shown in Figure 4 it is also possible to by being embedded on the panel of washing machine
Acceleration sensor chip detects acceleration of vibration.Panel is the hardwired pcb board of casing with bucket portion dress or washing machine.
Specifically, fill in the casing or bucket portion with washing machine and embed acceleration sensor chip on hardwired pcb board,
Acceleration sensor chip and pcb board are an entirety.This pcb board can be main control computer plate or the frequency conversion board of washing machine, as
The original pcb board of washing machine, in addition to execution washing machine original function, can also detect the acceleration information of dehydration barrel, no
New pcb board need in addition be increased.This pcb board both may be selected the pcb board being connected with bucket it is also possible to select the pcb board being connected with casing,
But require to put into row Hard link with casing or bucket portion, can reflect in real time casing of washing machine or bucket vibration.Acceleration sensing
Device chip preferred three-dimensional acceleration sensor chip, the acceleration of vibration in three directions when can be dehydrated with real-time detection clothing machine
ax、ay、az.
It is appreciated that two kinds of embodiments of Fig. 3 and Fig. 4 to realize principle identical, only mounting means is different.Reality shown in Fig. 3
Apply the relatively costly of example, but degree of accuracy is high；The low cost of embodiment illustrated in fig. 4, but degree of accuracy is slightly worse.Can according to user not
Select different mounting means with requirement.
S2, calculates vibration displacement amount A of washing machine, to obtain the vibration of washing machine according to acceleration of vibration a and rotational speed omega
Situation.
Specifically, during washing machine execution dehydration procedure, if the medicated clothing in washing machine is in unbalanced state, i.e. washing machine
Create certain bias, when offset is different, the vibratory output producing during dehydration is different, according to the acceleration of vibration detecting
A and rotational speed omega, can calculate vibration displacement amount A.
Specifically, during dehydrating vessel in washing machine motion, its motion can be equivalent to the simple harmonic motion of single-degree-of-freedom, expression formula
For：Wherein, the maximum displacement that A vibrates for dehydrating vessel in washing machine, the power of reflection vibration；ω is laundry
The rotating speed of machine dehydration, is determined by system itself, unrelated with initial condition, the speed of reflection vibration；Phase placeIn order to determine
The vibrational state of any time.
Thus can obtain,
When different, the maximum displacement A of dehydrating vessel in washing machine vibration can be equivalent to：K is constant coefficient.
Therefore, by the acceleration of vibration a that detects and rotational speed omega, vibration displacement amount A can be calculated, thus obtain washing
The Vibration Condition of clothing machine.
After calculate vibration displacement amount A of washing machine according to acceleration of vibration a and rotational speed omega, washing machine can basis
Corresponding algorithm, the rotating speed of dynamic regulation motor, reach minimizing dehydration abnormal conditions, improve the purpose of dewatering.
In sum, the dehydration and vibration detection method of the washing machine according to this utility model embodiment, in washing machine execution
During dehydration procedure, acceleration of vibration during real-time detection laundry machine dehydration, and detect the rotating speed of dehydrating vessel in washing machine, and according to
Acceleration of vibration and the vibration displacement amount of rotating speed calculating washing machine, to obtain the Vibration Condition of washing machine, thus it is de- to reach minimizing
Water abnormal conditions, improve the purpose of dewatering.
In description of the present utility model it is to be understood that term " " center ", " longitudinal ", " horizontal ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " suitable
The orientation of instruction such as hour hands ", " counterclockwise ", " axial ", " radially ", " circumferential " or position relationship are based on orientation shown in the drawings
Or position relationship, be for only for ease of description this utility model and simplify description, rather than instruction or hint indication device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two
Individual, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be
It is mechanically connected or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements, limit unless otherwise clear and definite.Common skill for this area
For art personnel, concrete meaning in this utility model for the above-mentioned term can be understood as the case may be.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score
Can be the first and second feature directly contacts, or the first and second features pass through intermediary mediate contact.And, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " permissible
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example
Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term
State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible
Any one or more embodiments or example combine in an appropriate manner.Additionally, in the case of not conflicting, this area
Technical staff the feature of the different embodiments described in this specification or example and different embodiment or example can be entered
Row combines and combines.
Although of the present utility model embodiment has been shown and described above it is to be understood that above-described embodiment is
Exemplary it is impossible to be interpreted as that those of ordinary skill in the art is in scope of the present utility model to restriction of the present utility model
Interior above-described embodiment can be changed, change, replacing and modification.
Claims (6)
1. a kind of dehydration and vibration detection means of washing machine is it is characterised in that include：
Be arranged on described washing machine bucket portion dress or panel on acceleration detection module, in order to detect described washing machine take off
Acceleration of vibration during water；
In order to detect the velocity measuring module of described dehydrating vessel in washing machine rotating speed；And
Vibration calculating module, described vibration calculating module respectively with described acceleration detection module and described velocity measuring module phase
Even, in order to calculate the vibration displacement amount of described washing machine according to described acceleration of vibration and described rotating speed, to obtain described laundry
The Vibration Condition of machine.
2. the dehydration and vibration detection means of washing machine as claimed in claim 1 is it is characterised in that described acceleration detection module
For acceleration transducer, described acceleration transducer is arranged on described bucket portion and loads onto.
3. the dehydration and vibration detection means of washing machine as claimed in claim 1 is it is characterised in that described acceleration detection module
For acceleration sensor chip, described acceleration sensor chip is embedded on described panel.
4. washing machine as claimed in claim 3 dehydration and vibration detection means it is characterised in that described panel be with described
The hardwired pcb board of casing of barreled portion or described washing machine.
5. a kind of washing machine is it is characterised in that include the dehydration and vibration inspection of the washing machine as any one of claim 1-4
Survey device.
6. washing machine as claimed in claim 5 is it is characterised in that described washing machine is rotary drum washing machine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620688283.8U CN205999638U (en) | 2016-06-30 | 2016-06-30 | Washing machine and its dehydration and vibration detection means |
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| CN201620688283.8U CN205999638U (en) | 2016-06-30 | 2016-06-30 | Washing machine and its dehydration and vibration detection means |
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| Publication Number | Publication Date |
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| CN205999638U true CN205999638U (en) | 2017-03-08 |
Family
ID=58200701
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012421A (en) * | 2016-06-30 | 2016-10-12 | 无锡小天鹅股份有限公司 | Washing machine, and dewatering vibration detection device and dewatering vibration detection method thereof |
| CN112626796A (en) * | 2019-10-08 | 2021-04-09 | 无锡飞翎电子有限公司 | Control method and device of washing machine, washing machine and computer readable storage medium |
-
2016
- 2016-06-30 CN CN201620688283.8U patent/CN205999638U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012421A (en) * | 2016-06-30 | 2016-10-12 | 无锡小天鹅股份有限公司 | Washing machine, and dewatering vibration detection device and dewatering vibration detection method thereof |
| CN112626796A (en) * | 2019-10-08 | 2021-04-09 | 无锡飞翎电子有限公司 | Control method and device of washing machine, washing machine and computer readable storage medium |
| WO2021068659A1 (en) * | 2019-10-08 | 2021-04-15 | 无锡飞翎电子有限公司 | Control method and apparatus for washing machine, washing machine, and computer readable storage medium |
| CN112626796B (en) * | 2019-10-08 | 2023-09-15 | 无锡飞翎电子有限公司 | Control method and device of washing machine, washing machine and computer readable storage medium |
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Effective date of registration: 20190807 Address after: 214028 No. 18 Changjiang South Road, Wuxi National High-tech Development Zone, Jiangsu Province Patentee after: Wuxi Swan Electrical Appliances Co., Ltd. Address before: 214028 Wuxi Changjiang Road, Wuxi New District, Jiangsu, No. 18 Patentee before: Wuxi Xiaotianer Co., Ltd. |
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| TR01 | Transfer of patent right |