CN108957579A - The detection method and system whether washing facility packaging bolt is removed - Google Patents
The detection method and system whether washing facility packaging bolt is removed Download PDFInfo
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- CN108957579A CN108957579A CN201710358131.0A CN201710358131A CN108957579A CN 108957579 A CN108957579 A CN 108957579A CN 201710358131 A CN201710358131 A CN 201710358131A CN 108957579 A CN108957579 A CN 108957579A
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- packaging bolt
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- packaging
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
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- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The present invention relates to washing machine control fields, and in particular to a kind of detection method and system whether washing facility packaging bolt is removed.Present invention seek to address that the problem of whether the packaging bolt that washing machine can not be detected is removed.For this purpose, the detection method whether washing facility packaging bolt of the invention is removed mainly includes obtaining the second amplitude of the first amplitude and cabinet vibration of cylindric washer vibration；Compare first amplitude and the second amplitude；Based on comparative result, judge to pack whether bolt is removed.Detecting the Vibration Condition of outer cylinder and cabinet respectively and by vibration amplitude and by way of comparing, it can know whether the packaging bolt of washing machine is removed indirectly, and then it can prevent from influencing the case where washing machine works normally appearance due to not removing packaging bolt to be removed by way of notifying user.
Description
Technical field
The present invention relates to washing machine control fields, and in particular to a kind of detection side whether washing facility packaging bolt is removed
Method and system.
Background technique
With the raising of people's purchasing power, the renewal frequency of household electrical appliance is getting faster.Household electrical appliances during transportation can not
It can jolt and vibrate with avoiding, these vibrations are likely to damage household electrical appliance.By taking roller washing machine as an example, laundry drum
The cylindric washer of machine is usually to be suspended in the cabinet of washing machine, and cylindric washer can be moved relative to cabinet.If transporting
The vibration that roller washing machine is subject in the process is excessive, then likely results in cylindric washer due to shaking and generate collision with cabinet, lead
Cylindric washer is caused to be damaged with cabinet.For the generation for preventing above situation, manufacturer usually all can between cylindric washer and cabinet it is pre-
Packing bolt makes the relative position of the cabinet of cylindric washer and washing machine in transportational process solid by the setting of packaging bolt
It is fixed, to avoid that cylindric washer and cabinet impaired phenomenon during transportation occurs.
Although the above method solves the problems, such as that cylindric washer shakes relative to cabinet in transportational process, but thus bring
Another problem is: can not detect whether packaging bolt is removed.The method for solving the problems, such as this is usually manufacturer in roller washing machine
Installation/operation instructions in provide relevant dismounting prompt, or packaging bolt is torn open under the guidance for on-siteing install personnel
It removes.But the drawbacks of these methods, is, since user is likely to specification be not used or due to causing without installation personnel is visited
Packaging bolt is removed not in time, so that roller washing machine cabinet occurs since packaging bolt is not removed in use
Phenomena such as excessive, cylindric washer revolving speed is excessively slow is vibrated, and then leads to ineffective, the shadow to a certain extent of washing shield of roller washing machine
Ring user experience.
Correspondingly, a kind of new whether this field needs packaging bolt to remove detection method solves the above problems.
Summary of the invention
In order to solve the above problem in the prior art, in order to solve not detecting whether the packaging bolt of washing machine is torn open
Except the problem of, the present invention provides a kind of detection method whether removed of washing facility packaging bolt, the washing facility includes
Cabinet and setting are in the intracorporal cylindric washer of case, and this method comprises the following steps:
Obtain the first amplitude of cylindric washer vibration and the second amplitude of cabinet vibration；
Compare the first amplitude and second amplitude；
Based on comparative result, judge whether the packaging bolt is removed.
In the optimal technical scheme for the detection method whether above-mentioned washing facility packaging bolt is removed, " cylindric washer is obtained
The step of second amplitude of first amplitude and the cabinet vibration of vibration ", further comprises:
The first displacement data of the cylindric washer in setting time is acquired, and obtains the maximum in first displacement data
Value, is denoted as first amplitude；
The second displacement data of the cabinet in setting time are acquired, and obtain the maximum in the second displacement data
Value, is denoted as the second amplitude.
In the optimal technical scheme of detection method whether above-mentioned washing facility packaging bolt is removed, " more described the
The step of one amplitude and second amplitude ", further comprises:
Calculate the difference of the first amplitude Yu second amplitude；
The difference is subjected to the operation that takes absolute value；
The absolute value is compared with given threshold.
In the optimal technical scheme for the detection method whether above-mentioned washing facility packaging bolt is removed, " tied based on comparing
Fruit, judges whether the packaging bolt is removed " the step of further comprise:
When the absolute value is less than the given threshold, judging result is that the packaging bolt is not removed；
When the absolute value is not less than the given threshold, judging result is that packaging bolt has been removed.
In the optimal technical scheme for the detection method whether above-mentioned washing facility packaging bolt is removed, the method is also wrapped
It includes:
Judging result be the packaging bolt be not removed when, provide be not removed with the packaging bolt it is corresponding
Prompt information；And/or
The washing facility is washing machine.
The present invention also provides a kind of washing facilitys to pack the detection system whether bolt is removed, the system comprises:
Acquisition unit is used to obtain the first amplitude of cylindric washer vibration and the second amplitude of cabinet vibration；
Computing unit is used for first amplitude described in comparison and second amplitude；
Judging unit is used to based on comparative result, judge whether the packaging bolt is removed.
In the optimal technical scheme for the detection system whether above-mentioned washing facility packaging bolt is removed,
First displacement data of the cylindric washer in the acquisition unit acquisition setting time, and the computing unit obtains
The maximum value in first displacement data is taken, first amplitude is denoted as；
The second displacement data of the cabinet in the acquisition unit acquisition setting time, and the computing unit obtains
Maximum value in the second displacement data, is denoted as the second amplitude.
In the optimal technical scheme for the detection system whether above-mentioned washing facility packaging bolt is removed,
The computing unit calculates the difference of the first amplitude Yu second amplitude；
The difference is carried out the operation that takes absolute value by the computing unit；
The absolute value is compared by the computing unit with given threshold.
In the optimal technical scheme for the detection system whether above-mentioned washing facility packaging bolt is removed,
When the absolute value is less than the given threshold, the judging result of the judging unit be the packaging bolt not
It is removed；
When the absolute value is not less than the given threshold, the judging result of the judging unit be packaging bolt by
It removes.
In the optimal technical scheme for the detection system whether above-mentioned washing facility packaging bolt is removed, the system is also wrapped
It includes:
Prompt unit is used to provide and the packaging bolt when judging result is that the packaging bolt is not removed
It is not removed corresponding prompt information；And/or
The washing facility is washing machine.
It will be appreciated to those of skill in the art that washing facility packs bolt in the preferred technical solution of the present invention
The detection method whether removed mainly includes the first amplitude for obtaining cylindric washer vibration and the second amplitude of cabinet vibration；Compare
One amplitude and the second amplitude；Based on comparative result, judge to pack whether bolt is removed.By detecting outer cylinder and cabinet respectively
Vibration Condition and by vibration amplitude and the mode that compares, can know whether the packaging bolt of washing machine is split indirectly
It removes, and then can prevent from influencing due to not removing packaging bolt to be removed by way of notifying user
The case where washing machine works normally occurs.
Detailed description of the invention
The principle of the present invention is illustrated with reference to the accompanying drawings and in conjunction with roller washing machine.Wherein, attached drawing are as follows:
Fig. 1 is the flow diagram for the detection method whether roller washing machine packaging bolt of the invention is removed；
Fig. 2 is the schematic diagram for the detection system whether roller washing machine packaging bolt of the invention is removed；
Fig. 3 is a kind of work-based logic figure of roller washing machine.
Specific embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little embodiments are used only for explaining technical principle of the invention, it is not intended that limit the scope of the invention.Although for example,
Vibrating sensor in specification is to be described with displacement sensor, but this position set-up mode is non-unalterable, this
Field technical staff, which can according to need, makes adjustment to it, to adapt to specific application.
Show with reference first to the process that Fig. 1, Fig. 1 are the detection methods whether roller washing machine packaging bolt of the invention is removed
It is intended to.Following the present embodiment will illustrate the principle of the present invention by taking roller washing machine as an example.
As shown in Figure 1, the present invention provides the detection methods whether a kind of roller washing machine packaging bolt is removed, wherein rolling
Cylinder washing machine includes cabinet and the outer cylinder and inner cylinder that box house is arranged in.This method mainly includes the following steps:
The second amplitude of S100, the first amplitude for obtaining outer cylinder vibration and cabinet vibration.It such as can be by outer cylinder and case
Body installs the first vibrating sensor for being able to detect vibration and the second vibrating sensor respectively close to the position of packaging bolt to obtain
Take first amplitude and the second amplitude.
S200, compare first amplitude and the second amplitude.Such as after obtaining first amplitude and the second amplitude, laundry drum
The control system of machine can be compared first amplitude with the second amplitude.It is possible to further according to actual demand, flexibly
Ground adjusts the specific appearance form of comparison result, such as ratio, difference or first assigns respectively to first amplitude and the second amplitude
Certain weight is given, calculates its ratio or difference etc. later.
S300, based on comparative result judges to pack whether bolt has been removed.As the control system of roller washing machine passes through
Comparison result judged, when ratio or difference are less than preset range, then provides the judgement that packaging bolt is not removed
As a result.
S400, judging result be do not remove packaging bolt when, provide corresponding prompt information.It is such as not in judging result
Remove packaging bolt when, shuts down washing machine and pass through display screen provide text remind, or pass through indicator light, buzzer and/or
The mode of voice reminder to speak and/or light alarm etc..
As can be seen that by way of passing through the Vibration Condition for detecting outer cylinder and cabinet respectively and comparing Vibration Condition,
It can know whether the packaging bolt of roller washing machine is removed indirectly, and in the case where bolt is packed in no dismounting,
By such as stop roller washing machine be currently running program and to speak and/or light alarm or text alert notification user side
Formula can be used family and find and remove packaging bolt in time, prevent from influencing the normal work of washing machine due to not removing packaging bolt
The case where making appearance.
In a kind of possible embodiment, step S100 may further include following steps again:
The second displacement data of S110, the first displacement data of vibrating sensor acquisition setting time inner/outer tube and cabinet.
S120, maximum value (the in maximum value (first amplitude) and second displacement data in the first displacement data is obtained
Two amplitudes).
For example, when first time using the washing procedure of roller washing machine, (i.e. inner cylinder starts after washing procedure starts
After rotation), the first vibrating sensor and the second vibrating sensor acquire the first displacement number of outer cylinder and cabinet in 10 seconds respectively
According to second displacement data, and the first displacement data and second displacement data are packaged to the control for being transferred to roller washing machine respectively
System.Control system carries out being maximized operation respectively, obtains the first displacement data after obtaining two groups of data to two groups of data
With the first amplitude and the second amplitude in second displacement data, that is, the peak swing of outer cylinder and cabinet in this 10 seconds.
It should be noted that at the beginning of above-mentioned acquisition displacement data when the acquisition of machine (when washing procedure starts) and setting
Between (10 seconds) principle for being intended to be used to explain the present invention, be not intended to limit protection scope of the present invention, those skilled in the art
It can be adjusted based on concrete application scene.Inner cylinder rotating 5 seconds etc. of roller washing machine are allowed if when being switched in first time.
In a kind of possible embodiment, step S200 may further include following steps again:
S210, the difference for calculating first amplitude and the second amplitude.
S220, difference is subjected to the operation that takes absolute value.
S230, absolute value is compared with given threshold.
For example, after obtaining first amplitude and the second amplitude, control system carries out difference operation to two values, calculates
The difference of first amplitude and the second amplitude such as subtracts the second amplitude using first amplitude, and after obtaining difference, to the difference into
The absolute value, is finally compared by the capable operation that takes absolute value with the given threshold being set in advance in control system.
In a kind of possible embodiment, given threshold can be arranged by the following method: be split in packaging bolt
In the case where removing, by way of working normally roller washing machine, the eccentricity value of motor shaft is demarcated, and under this eccentricity value
The vibration values of outer cylinder and cabinet, and using the difference of outer cylinder vibration values and cabinet vibration values as given threshold.Certainly, threshold is set
The setting method of value can be not unique, and those skilled in the art can be adjusted based on actual application environment.Such as set threshold
Value is also based on test of many times averaged or is directly disposed as a certain empirical value etc..
In a kind of possible embodiment, step S300 may further include following steps again:
S310, absolute value be less than given threshold when, judging result be packaging bolt be not removed.
S320, absolute value be not less than given threshold when, judging result be packaging bolt be removed.
For example, after the absolute value for calculating above-mentioned difference, which is compared with given threshold.Exhausted
When being less than given threshold to value, judging result is that packaging bolt is not removed；When absolute value is not less than given threshold, judge to tie
Fruit is that packaging bolt has been removed.That is, absolute value be less than given threshold when, illustrate at this time the peak swing of outer cylinder with
The peak swing of cabinet is close, due to being typically provided with the dampings such as damper between outer cylinder and cabinet, in normal work
The phenomenon that peak swing of outer cylinder should be much larger than the peak swing of cabinet, therefore absolute value is less than given threshold can be indirectly
Illustrate that packing bolt has passed to cabinet for the vibration of outer cylinder, that is, packaging bolt is not removed.Packaging bolt has been removed
The case where in contrast, details are not described herein.
It is the signal for the detection system whether roller washing machine packaging bolt of the invention is removed referring to Fig. 2, Fig. 2
Figure.
As shown in Fig. 2, the present invention also provides a kind of roller washing machines whether to pack bolt still by taking roller washing machine as an example
The detection system of dismounting, the system mainly include acquisition unit, computing unit, judging unit, prompt unit and control unit.
Wherein:
Acquisition unit is mainly used for obtaining the second amplitude of the first amplitude of outer cylinder vibration and cabinet vibration.Preferably, it adopts
Collecting unit is the first vibrating sensor and the second vibrating sensor (such as displacement sensor) for detecting outer cylinder and cabinet respectively,
It is mainly used for acquiring the first displacement data and second displacement data of cabinet of setting time inner/outer tube etc..Preferably, the first vibration
Dynamic sensor and the second vibrating sensor use the identical displacement sensor of model, and are arranged near packaging bolt, such as
First vibrating sensor and the second vibrating sensor are separately positioned on by the link position of outer cylinder and cabinet and packaging bolt.It is above-mentioned
The reason of set-up mode, is that the displacement sensor precision of same model is much the same, and due to not removing packaging bolt
In the case of, the Vibration Condition for packing bolt both ends is more close, therefore is arranged near packaging bolt and can reduce data
Acquisition Error keeps detection and judging result more acurrate.
Certainly, the form, model of vibrating sensor and set-up mode are not unalterable, and those skilled in the art can be with
It is adjusted flexibly, to be suitable for other application scenarios.As vibrating sensor can also be that velocity sensor, current vortex pass
Sensor etc..
Computing unit is mainly used for for first amplitude being compared with the second vibration amplitude.As computing unit can be used to count
The difference calculated the second amplitude in the first amplitude and second displacement data of the first displacement data, calculate first amplitude and the second amplitude
Difference take absolute value operation and absolute value is compared by computing unit with given threshold by value.
Judging unit is mainly used for based on comparative result, judging to pack whether bolt is removed.Such as it is less than in absolute value and sets
When determining threshold value, judging result is that packaging bolt is not removed；When absolute value is not less than given threshold, judging result is packaging spiral shell
Bolt has been removed.
Prompt unit is mainly used for providing the prompt for not removing packaging bolt when judging result is not remove packaging bolt
Information.If prompt unit can be one or several kinds of groups of display screen, indicator light, voice prompt device or buzzer
It closes, and when judging result is not remove packaging bolt, text is provided by display screen and is reminded, indicator light, buzzer are passed through
And/or the mode of voice reminder provides prompt to the mode spoken and/or light is alarmed.
Control unit is mainly used for controlling each unit work of roller washing machine.Such as control roller washing machine to clothing into
Row washs and controls above-mentioned each unit on reasonable execution opportunity and works etc..
As shown in figure 3, Fig. 3 is a kind of work-based logic block diagram of roller washing machine.As shown in figure 3, the work of roller washing machine
It may include: booting → operation packaging bolt detection program as process and prompt user in the case where packing bolt and not removing
Packaging bolt do not remove → inquire consumer packaging bolt whether removed → user confirm remove in the case of, be recorded as having removed
State → operation washing procedure.
As can be seen that by the detection program for running packaging bolt in the case where roller washing machine is switched on, it can be effective
Ground solves the problems, such as whether the packaging bolt that can not detect roller washing machine is removed, the feelings for being removed user not in packaging bolt
Under condition, the prompt for not removing packaging bolt is received in time, so as to avoid washing machine abnormal conditions in use
Occur.
In conclusion in detection method and system that whether roller washing machine packaging bolt of the invention is removed, detection side
Method specifically includes that the second amplitude of the first amplitude for obtaining outer cylinder vibration and cabinet vibration；By first amplitude and the second vibration width
Value is compared；Based on comparative result, judge to pack whether bolt is removed；When judging result is not remove packaging bolt,
Provide corresponding prompt information.Detection system mainly includes acquisition unit, computing unit, judging unit, prompt unit and control
Unit processed.By the Vibration Condition of detection outer cylinder and cabinet, it can detect whether packaging bolt is removed indirectly, and
The mode of user is notified by sound and/or the modes such as light alarm or text prompt in the case where not being removed, so that using
Person can remove packaging bolt in time, to prevent since phenomena such as cabinet vibration is excessive, outer cylinder revolving speed is excessively slow is caused
The appearance for washing the problems such as protecting usage experience that is ineffective and then influencing user of roller washing machine.
Further, the detection method and system that whether roller washing machine packaging bolt is removed can also be carried out in washing machine
Secondary check is carried out to whether product installs packaging bolt when factory testing, thus due to non-installation kit when being effectively prevented from factory
It fills bolt and causes to bring unnecessary loss in transportational process.That is, detection method of the invention and system are on the one hand
Washing for washing machine caused by can avoiding not being removed due to packaging bolt in service stage protects ineffective phenomenon, another party
The phenomenon being damaged in the transportational process of washing machine caused by face can avoid not being mounted due to packaging bolt in the production phase.
It should be noted that the above preferred embodiment be although be illustrated by taking roller washing machine as an example, but this
It is not intended to limit protection scope of the present invention, it may occur to persons skilled in the art that, in addition to roller washing machine, the present invention
Method can also be applied to other and wash shield equipment, can also such as be applied to rotary drum washing machine, and even dish-washing machine, shoe washing machine etc. needs
Have and pack bolt functionally similar component equipment.
So far, it has been combined preferred embodiment shown in the drawings and describes technical solution of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement will fall within the scope of protection of the present invention.
Claims (10)
1. a kind of detection method whether washing facility packaging bolt is removed, the washing facility include cabinet and are arranged in cabinet
Interior cylindric washer, which is characterized in that described method includes following steps:
Obtain the first amplitude of cylindric washer vibration and the second amplitude of cabinet vibration；
Compare the first amplitude and second amplitude；
Based on comparative result, judge whether the packaging bolt is removed.
2. the detection method whether washing facility packaging bolt according to claim 1 is removed, which is characterized in that " obtain
The step of first amplitude of cylindric washer vibration and the second amplitude of cabinet vibration ", further comprises:
The first displacement data of the cylindric washer in setting time is acquired, and obtains the maximum value in first displacement data,
It is denoted as first amplitude；
The second displacement data of the cabinet in setting time are acquired, and obtain the maximum value in the second displacement data, are remembered
Make the second amplitude.
3. the detection method whether washing facility packaging bolt according to claim 2 is removed, which is characterized in that " compare
The step of first amplitude and second amplitude ", further comprises:
Calculate the difference of the first amplitude Yu second amplitude；
The difference is subjected to the operation that takes absolute value；
The absolute value is compared with given threshold.
4. the detection method whether washing facility packaging bolt according to claim 3 is removed, which is characterized in that " be based on
Comparison result, judges whether the packaging bolt is removed " the step of further comprise:
When the absolute value is less than the given threshold, judging result is that the packaging bolt is not removed；
When the absolute value is not less than the given threshold, judging result is that packaging bolt has been removed.
5. the detection method whether washing facility packaging bolt according to any one of claim 1 to 4 is removed, feature
It is, the method also includes:
When judging result is that the packaging bolt is not removed, provides and be not removed corresponding prompt with the packaging bolt
Information；And/or
The washing facility is washing machine.
6. a kind of detection system whether washing facility packaging bolt is removed, the washing facility include cabinet and are arranged in cabinet
Interior cylindric washer, which is characterized in that the system comprises:
Acquisition unit is used to obtain the first amplitude of cylindric washer vibration and the second amplitude of cabinet vibration；
Computing unit is used for first amplitude described in comparison and second amplitude；
Judging unit is used to based on comparative result, judge whether the packaging bolt is removed.
7. the detection system whether washing facility packaging bolt according to claim 6 is removed, which is characterized in that
First displacement data of the cylindric washer in the acquisition unit acquisition setting time, and the computing unit obtains institute
The maximum value in the first displacement data is stated, first amplitude is denoted as；
The second displacement data of the cabinet in the acquisition unit acquisition setting time, and described in computing unit acquisition
Maximum value in second displacement data is denoted as the second amplitude.
8. the detection system whether washing facility packaging bolt according to claim 7 is removed, which is characterized in that
The computing unit calculates the difference of the first amplitude Yu second amplitude；
The difference is carried out the operation that takes absolute value by the computing unit；
The absolute value is compared by the computing unit with given threshold.
9. the detection system whether washing facility packaging bolt according to claim 8 is removed, which is characterized in that
When the absolute value is less than the given threshold, the judging result of the judging unit is that the packaging bolt is not split
It removes；
When the absolute value is not less than the given threshold, the judging result of the judging unit is that packaging bolt has been split
It removes.
10. the detection system whether washing facility packaging bolt according to any one of claims 6 to 9 is removed, special
Sign is, the system also includes:
Prompt unit, be used for judging result be the packaging bolt be not removed when, provide with the packaging bolt not by
Remove corresponding prompt information；And/or
The washing facility is washing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710358131.0A CN108957579B (en) | 2017-05-19 | 2017-05-19 | Method and system for detecting whether packaging bolt of washing equipment is removed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710358131.0A CN108957579B (en) | 2017-05-19 | 2017-05-19 | Method and system for detecting whether packaging bolt of washing equipment is removed |
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| CN108957579A true CN108957579A (en) | 2018-12-07 |
| CN108957579B CN108957579B (en) | 2022-05-27 |
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ID=64462999
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| CN201710358131.0A Active CN108957579B (en) | 2017-05-19 | 2017-05-19 | Method and system for detecting whether packaging bolt of washing equipment is removed |
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| KR20060007263A (en) * | 2004-07-19 | 2006-01-24 | 엘지전자 주식회사 | A cylinder type washing machine equipped with a removal confirming apparatus of the fixing bolt therein |
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| CN101676470A (en) * | 2008-09-19 | 2010-03-24 | 松下电器产业株式会社 | Washing machine |
| CN102305947A (en) * | 2011-07-15 | 2012-01-04 | 松下家电研究开发（杭州）有限公司 | Method and system for detecting whether fastening bolt of roller washing machine is detached or not |
| JP2013070920A (en) * | 2011-09-29 | 2013-04-22 | Panasonic Corp | Drum type washing machine |
| CN106436151A (en) * | 2016-09-22 | 2017-02-22 | 惠而浦（中国）股份有限公司 | Control method for judging whether user disassembles transport bolt or not on basis of 3D displacement sensor |
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2017
- 2017-05-19 CN CN201710358131.0A patent/CN108957579B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060007263A (en) * | 2004-07-19 | 2006-01-24 | 엘지전자 주식회사 | A cylinder type washing machine equipped with a removal confirming apparatus of the fixing bolt therein |
| JP2010057848A (en) * | 2008-09-08 | 2010-03-18 | Panasonic Corp | Washing machine |
| CN101676470A (en) * | 2008-09-19 | 2010-03-24 | 松下电器产业株式会社 | Washing machine |
| CN102305947A (en) * | 2011-07-15 | 2012-01-04 | 松下家电研究开发（杭州）有限公司 | Method and system for detecting whether fastening bolt of roller washing machine is detached or not |
| JP2013070920A (en) * | 2011-09-29 | 2013-04-22 | Panasonic Corp | Drum type washing machine |
| CN106436151A (en) * | 2016-09-22 | 2017-02-22 | 惠而浦（中国）股份有限公司 | Control method for judging whether user disassembles transport bolt or not on basis of 3D displacement sensor |
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| Publication number | Publication date |
|---|---|
| CN108957579B (en) | 2022-05-27 |
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Effective date of registration: 20220419 Address after: 400026 No.303, Block E, No.1 Gangcheng South Road, Jiangbei District, Chongqing Applicant after: Chongqing Haier Front-loading Washing Machine Co.,Ltd. Applicant after: Haier Zhijia Co., Ltd Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. |
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