CN205999639U - 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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- CN205999639U CN205999639U CN201620689402.1U CN201620689402U CN205999639U CN 205999639 U CN205999639 U CN 205999639U CN 201620689402 U CN201620689402 U CN 201620689402U CN 205999639 U CN205999639 U CN 205999639U
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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 includes：The acceleration detection module being arranged on the motor of washing machine, in order to detect vibration acceleration 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 vibration acceleration and rotating speed, to obtain the Vibration Condition of washing machine.The device can be calculated the vibration displacement amount of washing machine according to vibration acceleration during laundry machine dehydration and dehydration barrel rotating speed, obtain the Vibration Condition of washing machine, so that washing machine selects lower step dehydration action according to Vibration Condition, so as to shortening dewatering time is reached, reduce the purpose of the effect of vibration at high speed.
Description
Technical field
The utility model is related to household electrical appliance technical field, the dehydration and vibration detection means of more particularly to a kind of washing machine and
A kind of washing machine.
Background technology
During barrel washing machine dehydration, when dehydration barrel undergarment skewness, roller washing machine can be caused to produce larger
Vibration, this can not only have a strong impact on user's impression, and can reduce the service life of roller washing machine.The motor of roller washing machine
There is the function of detection laod unbalance, when imbalance is detected, can be by adjusting dehydrating vessel in washing machine rotating speed or again
Adjustment load distribution, reduces the size that vibrates during barrel washing machine dehydration.
In correlation technique, barrel washing machine dehydration vibration detection device be by the torque of motor feedback, rotating speed and inertia
Signal, by certain algorithm dehydration low-speed stage (rotating speed is less than or equal to 150rpm), detects dehydration and vibration.Although the device
Without other devices, but the limitation because of motor feedback signals, longer detection time (generally higher than 40S) is needed, and
And cannot real-time detection vibration at high speed and transient oscillation, so as to cause the barrel washing machine dehydration time long, and nothing during high speed dewatering
Method adjusts rotating speed, so as to cause high speed dewatering vibration big.
Utility model content
The utility model is intended at least to solve to a certain extent one of technical problem in correlation technique.
For this purpose, a purpose of the present utility model is to propose a kind of dehydration and vibration detection means of washing machine, the device
The vibration displacement amount of washing machine can be calculated according to vibration acceleration during laundry machine dehydration and dehydration barrel rotating speed, and acquisition is washed
The Vibration Condition of clothing machine, so that washing machine selects lower step dehydration action according to Vibration Condition, so as to reach shortening dewatering time, subtracts
The purpose of the effect of little vibration at high speed.
Another purpose of the present utility model is to propose a kind of washing machine.
For reaching above-mentioned purpose, on the one hand the utility model proposes a kind of dehydration and vibration detection means of washing machine, bag
Include：The acceleration detection module being arranged on the motor of the washing machine, adds in order to vibration when detecting the laundry machine dehydration
Speed；In order to detect the velocity measuring module of the dehydrating vessel in washing machine rotating speed；And vibration calculating module, the vibration calculating
Module is connected with the acceleration detection module and the velocity measuring module respectively, in order to according to the vibration acceleration and institute
The vibration displacement amount that rotating speed calculates the washing machine is stated, to obtain the Vibration Condition of the 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 vibration acceleration, and Negotiation speed detection module detects the dehydrating vessel in washing machine rotating speed, finally by vibration calculating mould
Root tuber calculates the vibration displacement amount of washing machine according to vibration acceleration and rotating speed, to obtain the Vibration Condition of washing machine, so that laundry
Machine selects lower step dehydration action according to Vibration Condition, so as to reach shortening dewatering time, reduces the purpose of the effect of vibration at high speed.
Specifically, the acceleration detection module is acceleration sensor chip.
Further, the acceleration sensor chip is embedded on the control panel of the motor.
Further, the control panel is integrated with the motor, and the motor is hard with the bucket portion of the washing machine
Connection.
For reaching above-mentioned purpose, on the other hand the utility model proposes a kind of washing machine, and which includes above-mentioned washing machine
Dehydration and vibration detection means.
Washing machine of the present utility model, by the acceleration detection module detection laundry of above-mentioned dehydration and vibration detection means
Vibration acceleration when machine is dehydrated, and Negotiation speed detection module detects the dehydrating vessel in washing machine rotating speed, finally by vibration
Computing module calculates the vibration displacement amount of washing machine according to vibration acceleration and rotating speed, to obtain the Vibration Condition of washing machine, washes
Clothing machine can select lower step dehydration action according to Vibration Condition, so as to reach shortening dewatering time, reduce vibration at high speed effect
Purpose.
Specifically, the washing machine is roller washing machine.
Description of the drawings
The above-mentioned and/or additional aspect of the 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 block diagram of the dehydration and vibration detection means of the washing machine according to the utility model one embodiment；
Fig. 2 is the knot of the installation site of the dehydration and vibration detection means of the washing machine according to the utility model one embodiment
Structure schematic diagram；
Fig. 3 is that the square frame of the dehydration and vibration detection means of the washing machine according to another embodiment of the utility model is illustrated
Figure；And
Fig. 4 is the flow chart of the dehydration and vibration detection method of the washing machine according to the utility model one embodiment.
Reference：Acceleration detection module 10, velocity measuring module 20, vibration calculating module 30 and speeds control mould
Block 40, motor 100, bucket portion 200, acceleration sensor chip embedded location 300, casing 400.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Represent same or similar element or the element with same or like function to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Restriction.
With reference to the accompanying drawings come describe according to the utility model embodiment propose washing machine and its dehydration and vibration detection dress
Put and method.
Fig. 1 is the block diagram of the dehydration and vibration detection means of the washing machine according to the utility model one embodiment.
As shown in figure 1, the dehydration and vibration detection means can include：Acceleration detection module 10, velocity measuring module 20 and vibrometer
Calculate module 30.
Wherein, acceleration detection module 10 is arranged on the motor of washing machine, in order to detect vibration during laundry machine dehydration
Acceleration a.Velocity measuring module 20 is in order to detect dehydrating vessel in washing machine rotational speed omega.Vibration calculating module 30 is examined with acceleration respectively
Survey module 10 to be connected with velocity measuring module 20, in order to calculate the vibration displacement of washing machine according to vibration acceleration a and rotational speed omega
Amount A, to obtain the Vibration Condition of washing machine.
Acceleration detection module 10 can include acceleration sensor chip and peripheral signal process circuit, acceleration sensing
The preferred three-dimensional acceleration sensor chip of device chip, the vibration acceleration in three directions when can be dehydrated with real-time detection clothing machine
ax、ay、az.
Further, according to one embodiment of the present utility model, as shown in Fig. 2 acceleration sensor chip is embedded in electricity
On the control panel of machine 100.
Further, according to one embodiment of the present utility model, as shown in Fig. 2 control panel and motor 100 integrated
Body, and 200 Hard link of bucket portion of motor and washing machine, to reflect the vibration of washing tub in real time.
That is, on the control panel of the motor 100 of washing machine be embedded in three-dimensional acceleration sensor chip, control panel with
Motor 100 is integrated, and the motor 100 with control panel is arranged on washing tub, with washing tub synchronous axial system.Wherein, band control
The motor 100 of plate is original motor of washing machine, in addition to the original function of washing machine is executed, can also detect adding for washing tub
In addition velocity information, without the need for increasing part.
When washing machine executes dehydration procedure, if the clothing in washing machine is generated in non-equilibrium state, i.e. washing machine
Certain bias, when offset is different, the vibratory output produced during dehydration is different, and vibration calculating module 30 can be according to acceleration
The vibration acceleration a that detection module 10 is detected and the rotational speed omega that velocity measuring module 20 is detected, can calculate vibration displacement
Amount A.
Specifically, when dehydrating vessel in washing machine moves, its motion can be equivalent to the simple harmonic motion of single-degree-of-freedom, expression formula
For：Wherein, the maximum displacement that A is vibrated for dehydrating vessel in washing machine, reflects the power of vibration；ω is laundry
The rotating speed of machine dehydration, is determined by system itself, unrelated with primary condition, reflects the speed of vibration；Phase placeIn order to determine
The vibrational state of any time.
Thus can obtain,
When different,K is constant coefficient.
Therefore, what the vibration acceleration a for being detected by acceleration detection module 10 and velocity measuring module 20 were detected turns
Fast ω, after vibration calculating module 30 is calculated, can obtain vibration displacement amount A, so as to obtain the Vibration Condition of washing machine.
According to one embodiment of the present utility model, as shown in figure 3, the dehydration and vibration detection means of above-mentioned washing machine is also
Rate control module 40, vibration displacement amount A of the dehydrating vessel in washing machine in order to feed back can be included according to vibration calculating module 30
With corresponding algorithm, the rotating speed V of dynamic regulation motor, so as to shortening dewatering time is reached, reduce the mesh of the effect of vibration at high speed
's.
It is appreciated that, it is also possible to by arranging vibrating sensor on motor 100 to detect the vibration of dehydrating vessel in washing machine
Situation, but be compared to the utility model, vibrating sensor relatively costly, and install uniformity poor.
In sum, the dehydration and vibration detection means of the washing machine of the utility model embodiment, by acceleration detection mould
Vibration acceleration during block detection laundry machine dehydration, and Negotiation speed detection module detects the dehydrating vessel in washing machine rotating speed, most
The vibration displacement amount of washing machine is calculated according to vibration acceleration and rotating speed by vibration calculating module afterwards, to obtain shaking for washing machine
Emotionally condition, so that washing machine selects lower step dehydration action according to Vibration Condition, so as to reach shortening dewatering time, reduces and shakes at a high speed
Dynamic effect.
Additionally, the utility model embodiment also proposes a kind of washing machine, which includes above-mentioned dehydration and vibration detection means.
According to one embodiment of the present utility model, above-mentioned washing machine can be roller washing machine.
The washing machine of the utility model embodiment, is examined by the acceleration detection module of above-mentioned dehydration and vibration detection means
Vibration acceleration during laundry machine dehydration is surveyed, and Negotiation speed detection module detects the dehydrating vessel in washing machine rotating speed, finally leads to
The vibration displacement amount that vibration computing module calculates washing machine according to vibration acceleration and rotating speed is crossed, to obtain the vibration feelings of washing machine
Condition, washing machine can select lower step dehydration action according to Vibration Condition, so as to reach shortening dewatering time, reduce vibration at high speed effect
The purpose of fruit.
Fig. 4 is the flow chart of the dehydration and vibration detection method of the washing machine according to the utility model one embodiment.As Fig. 4
Shown, the dehydration and vibration detection method is comprised the following steps：
S1, when washing machine executes dehydration procedure, the vibration acceleration a of the motor of real-time detection washing machine is to obtain laundry
The vibration acceleration of machine.
According to one embodiment of the present utility model, as shown in Fig. 2 motor can be detected by acceleration sensor chip
Vibration acceleration a.For example, on the control panel of the motor that acceleration sensor chip can be embedded in washing machine, control panel with electricity
Machine is integrated, and the bucket portion Hard link of motor and washing machine, to reflect the vibration of washing tub in real time.
The preferred three-dimensional acceleration sensor chip of acceleration sensor chip, three when can be dehydrated with real-time detection clothing machine
Vibration acceleration ax, ay, the az in direction.
That is, control panel is integrated with motor, the motor with control panel is on washing tub, same with washing tub
Step is rotated, by the three-dimensional acceleration sensor chip on the control panel of the motor for being embedded in washing machine, real-time detection washing machine
Motor vibration acceleration a.Wherein, the motor with control panel is original motor of washing machine, and except executing, washing machine is original
Outside function, the acceleration information of washing tub can also be detected, without the need in addition increasing part.
S2, detects the rotational speed omega of dehydrating vessel in washing machine.
S3, calculates vibration displacement amount A of washing machine, to obtain the vibration of washing machine according to vibration acceleration a and rotational speed omega
Situation.
Specifically, when washing machine executes dehydration procedure, if the clothing in washing machine is in non-equilibrium state, i.e. washing machine
Certain bias is generated, when offset is different, the vibratory output produced during dehydration is different, according to the vibration acceleration for detecting
A and rotational speed omega, can calculate vibration displacement amount A.
Specifically, when dehydrating vessel in washing machine moves, its motion can be equivalent to the simple harmonic motion of single-degree-of-freedom, expression formula
For：Wherein, the maximum displacement that A is vibrated for dehydrating vessel in washing machine, reflects the power of vibration；ω is laundry
The rotating speed of machine dehydration, is determined by system itself, unrelated with primary condition, reflects the speed of vibration；Phase placeIn order to determine
The vibrational state of any time.
Thus can obtain,
When different,K is constant coefficient.
Therefore, by the vibration acceleration a that detects and rotational speed omega, vibration displacement amount A can be calculated, is washed so as to obtain
The Vibration Condition of clothing machine.
After vibration displacement amount A for calculating washing machine according to vibration acceleration a and rotational speed omega, washing machine can basis
Corresponding algorithm, the rotating speed of dynamic regulation motor, so as to shortening dewatering time is reached, reduce the purpose of vibration at high speed effect.
It is appreciated that, it is also possible to detect the Vibration Condition of dehydrating vessel in washing machine by being arranged on vibrating sensor on motor,
But be compared to the utility model, vibrating sensor relatively costly, and install uniformity poor.
In sum, according to the dehydration and vibration detection method of the washing machine of the utility model embodiment, execute in washing machine
During dehydration procedure, the vibration acceleration of the motor of real-time detection washing machine is to obtain the vibration acceleration of washing machine, and detects and wash
The rotating speed of clothing machine dehydration barrel, then calculates the vibration displacement amount of washing machine, to obtain washing machine according to vibration acceleration and rotating speed
Vibration Condition so that washing machine selects the dehydration action of lower step according to Vibration Condition, so as to reach shortening dewatering time, reduce high
The purpose of the effect of speed vibration.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " 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 direction ", " radially ", " circumference " or position relationship be based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify description, rather than indicate or hint indication device or
Element must be with 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 for 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 the 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 fixedly connected, or be detachably connected or integral；Can be
It is mechanically connected, or electrically connects；Can 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, unless otherwise clearly restriction.Common skill for this area
For art personnel, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the 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 less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy described with reference to the 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 necessarily and be directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible
Combined in any one or more embodiments or example 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 embodiments or example can be entered
Row is combined and is combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as that one 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. the dehydration and vibration detection means of a kind of washing machine, it is characterised in that include：
The acceleration detection module being arranged on the motor of the washing machine, adds in order to vibration when detecting the laundry machine dehydration
Speed；
In order to detect the velocity measuring module of the dehydrating vessel in washing machine rotating speed；And
Vibration calculating module, the vibration calculating module respectively with the acceleration detection module and the velocity measuring module phase
Even, in order to calculate the vibration displacement amount of the washing machine according to the vibration acceleration and the rotating speed, to obtain the laundry
The Vibration Condition of machine.
2. the dehydration and vibration detection means of washing machine as claimed in claim 1, it is characterised in that the acceleration detection module
For acceleration sensor chip.
3. the dehydration and vibration detection means of washing machine as claimed in claim 2, it is characterised in that the acceleration transducer core
Piece is embedded on the control panel of the motor.
4. the dehydration and vibration detection means of washing machine as claimed in claim 3, it is characterised in that the control panel and the electricity
Machine is integrated, and the bucket portion Hard link of the motor and the washing machine.
5. a kind of washing machine, 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, it is characterised in that the washing machine is roller washing machine.
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| CN201620689402.1U CN205999639U (en) | 2016-06-30 | 2016-06-30 | Washing machine and its dehydration and vibration detection means |
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| CN201620689402.1U CN205999639U (en) | 2016-06-30 | 2016-06-30 | Washing machine and its dehydration and vibration detection means |
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| CN205999639U true CN205999639U (en) | 2017-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937135A (en) * | 2016-06-30 | 2016-09-14 | 无锡小天鹅股份有限公司 | Washing machine and dehydration vibration detecting device and method thereof |
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- 2016-06-30 CN CN201620689402.1U patent/CN205999639U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937135A (en) * | 2016-06-30 | 2016-09-14 | 无锡小天鹅股份有限公司 | Washing machine and dehydration vibration detecting device and method thereof |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190809 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. |