CN112011964B - Washing machine and control method thereof - Google Patents
Washing machine and control method thereof Download PDFInfo
- Publication number
- CN112011964B CN112011964B CN201910456662.2A CN201910456662A CN112011964B CN 112011964 B CN112011964 B CN 112011964B CN 201910456662 A CN201910456662 A CN 201910456662A CN 112011964 B CN112011964 B CN 112011964B
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- washing machine
- foreign matter
- infrared sensor
- matter detector
- thread scraps
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/02—Rotary receptacles, e.g. drums
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/10—Filtering arrangements
Abstract
The invention relates to a washing machine and a control method thereof, wherein the washing machine comprises an inner barrel and a thread scraps filtering device arranged on the inner wall of the inner barrel, the washing machine comprises a foreign matter detector, and the foreign matter detector is arranged on the thread scraps filtering device. The washing machine can automatically detect whether the foreign matters exist in the washing machine after a user puts clothes in the washing machine, and prompts the user when the foreign matters exist in the washing machine, so that the safety of the user is ensured, and damage to the washing machine or articles caused by mistakenly washing certain articles can be prevented. The washing machine provided by the invention can detect the foreign matters intelligently, prevent the phenomenon that the foreign matters wash and damage clothes and damage the washing machine, and simultaneously, the washing machine can intelligently prompt a user to clean the thread scraps in the thread scraps filtering device, so that the health washing and protecting requirements of the user are met, and the user experience is good.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a washing machine and a control method thereof.
Background
In the current society, the washing machine has become an indispensable household electrical appliance in the family life, and the washing machine provides very big facility in people's family life, and after user's clothing was dirty, directly put the clothing in the washing machine, triggers the start key, and washing machine automatic execution washing procedure washs clothing.
The existing washing machine is more intelligent, and is automatically executed in many aspects without user participation, for example, the existing washing machine can automatically identify clothes, automatically select corresponding washing programs according to the clothes, and does not need to manually select the washing programs.
Although the washing machine is convenient for family life to a great extent, in the working process of the washing machine, certain safety risks exist, such as that when people wash clothes, some articles are easily put into the washing machine by mistake, or articles such as mobile phones, keys, toilet paper and the like are placed in clothes bags of users, users forget the articles, at the moment, the washing machine cannot identify the articles, if the users trigger the start key, the washing machine starts to execute a washing program, the mobile phones are damaged, or the washing machine is damaged, so that the users lose tragic weight.
More serious is the security problem, children often can hide in the washing machine when playing to catch the camouflage at present, if the start key has been touched by mistake at this moment, the washing machine opens the operation, very easily takes place the incident, and again if there is pet at home, the pet also easily gets into in the washing machine, if the user does not find the condition, once the washing machine door closes, easily takes place the danger.
In addition, the washing clothes filings collected in the filings filtering device in the washing machine are also regularly required to be checked and cleaned by a user, and the use requirement of the user on the intelligent household appliance can not be met.
In view of this, the present invention has been made.
Disclosure of Invention
The first object of the present invention is to provide a washing machine, which can automatically detect whether foreign matters exist in the washing machine after a user puts clothes in the washing machine, thereby ensuring user safety, and preventing damage to the washing machine or the articles caused by mistakenly washing certain articles, so as to ensure safe progress of washing events and good user experience.
In order to achieve the first object, the present invention adopts the following technical scheme:
a washing machine comprises an inner barrel, wherein a foreign matter detector is arranged on the inner wall of the inner barrel.
Preferably, the inner wall of the inner barrel is provided with a thread scraps filtering device, and the foreign matter detector is arranged on the thread scraps filtering device.
In the scheme, the stainless steel barrel wall is arranged on the inner barrel of the washing machine, and the difficulty of directly installing the foreign matter detector on the stainless steel barrel wall is overlarge.
Preferably, the lint filtering device comprises a mounting plate fixed on the inner wall of the inner barrel of the washing machine and a filtering cover arranged on the mounting plate, and the foreign matter detector is arranged on the mounting plate and positioned in a lint cavity formed between the mounting plate and the filtering cover.
In the scheme, the foreign matter detector is arranged on the mounting plate and is positioned in the thread scraps cavity formed between the mounting plate and the filtering cover, so that the foreign matter detector is protected, and the foreign matter detector is prevented from being damaged by the collision of clothes with the foreign matter detector in the washing process.
In another aspect, the lint filter device includes a filter removably mounted to the filter cover, and the foreign object detector is mounted to the filter/filter cover.
Preferably, the filter comprises a rear housing and a front housing with a water outlet, the front housing and the rear housing are buckled to form a thread scraps chamber inside, and the foreign matter detector is mounted on the rear housing.
Preferably, the foreign matter detector includes a first infrared sensor, and a probe of the first infrared sensor is disposed toward one side of the front housing.
In the above scheme, the probe of the first infrared sensor is arranged towards one side of the front shell and can collect infrared radiation in the inner barrel, so as to judge whether foreign matters exist in the inner barrel.
Preferably, the first infrared sensor is a passive infrared sensor, and the first infrared sensor judges whether foreign matters exist in the inner barrel according to the received infrared radiation.
In the above scheme, the first infrared sensor is a passive infrared sensor, and according to thermal imaging, whether foreign matters exist in the washing tub is identified.
Preferably, the foreign matter detector comprises a rotating part and a driving part for driving the rotating part to rotate, the first infrared sensor is arranged on the rotating part, the driving part drives the rotating part to rotate, and the detection position of the first infrared sensor is adjusted.
In the scheme, the first infrared sensor is arranged on the rotating part, the rotating part rotates to drive the first infrared sensor to rotate, the infrared radiation inside the whole inner barrel can be collected, and whether foreign matters exist inside the inner barrel or not is comprehensively detected.
Preferably, the foreign matter detector comprises two first infrared sensors, the rotating part is of a disc-shaped structure, and the two first infrared sensors are respectively arranged at two opposite side edges of the disc-shaped structure.
In the scheme, foreign matter detection accuracy is improved by arranging two infrared sensors, the infrared sensors are arranged on the edge of the disc-shaped structure, and the inner part of the inner barrel is detected in an omnibearing manner along with rotation of the rotating part.
Preferably, the foreign matter detector includes a second infrared sensor, a probe of the second infrared sensor is disposed toward the front housing, the second infrared sensor emits an infrared signal, and the accumulated amount of the lint is determined according to a reflected signal of the infrared signal.
In the scheme, the foreign matter detector is provided with the second infrared sensor which can automatically detect the accumulation amount of the thread scraps in the thread scraps filtering device, so that a user is not required to periodically and automatically check the accumulation of the thread scraps, and the requirement of the user on the intelligent household appliance is met.
Preferably, the second infrared sensor is an active infrared sensor, and comprises a transmitter and a receiver, wherein the transmitter transmits an infrared signal towards one side of the front shell, and the foreign matter detector judges whether the accumulated wire scraps height reaches a set value according to a reflected signal received by the receiver.
Preferably, the second infrared sensor is provided on the rotating member, and can accurately detect the accumulated height of lint.
Preferably, the second infrared sensor is arranged at the center of the circle of the rotating part, and whether the accumulated wire scraps are higher than a set height or not can be accurately detected, wherein the set height is the detection position of the second infrared sensor.
Preferably, the foreign matter detector comprises a power supply device, wherein the power supply device is electrically connected with the foreign matter detector;
preferably, the power supply device includes a storage battery;
the storage battery is detachably arranged in the filtering device, and when the electric quantity of the storage battery is insufficient, the storage battery can be taken out, and the storage battery is replaced or is charged and then is arranged.
In another preferred embodiment, the washing machine comprises a wireless charging device and an inductive charging device electrically connected to the battery. The wireless charging device can wirelessly charge the storage battery without the need of the user to detach the storage battery.
The wireless charging device comprises a power transmission coil, and the induction charging device comprises a power receiving coil.
Preferably, the foreign matter detector comprises a communication module, wherein the communication module is in communication connection with a control end of the washing machine and sends detection information to the control end.
In the above scheme, the control end may be a controller of the washing machine, or the control end may be an intelligent terminal, such as a mobile phone, where the washing machine or the intelligent terminal receives the detection information and provides the detection information to the user.
A second object of the present invention is to provide a control method of a washing machine, in which a foreign matter detector is provided on an inner wall of an inner tub of the washing machine, the control method comprising: the foreign matter detector detects the inner space of the inner barrel and judges whether foreign matters exist or not according to detection information.
Compared with the prior art, the invention has the following beneficial effects:
the invention relates to a washing machine and a control method thereof, wherein the washing machine comprises an inner barrel and a thread scraps filtering device arranged on the inner wall of the inner barrel, the washing machine comprises a foreign matter detector, and the foreign matter detector is arranged on the thread scraps filtering device. The washing machine can automatically detect whether the foreign matters exist in the washing machine after a user puts clothes in the washing machine, and prompts the user when the foreign matters exist in the washing machine, thereby ensuring the safety of the user and preventing the damage of the washing machine or the articles caused by mistakenly washing certain articles. The washing machine provided by the invention can detect foreign matters intelligently, ensure the safe running of washing events and has good user experience.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:
FIG. 1 is a schematic view of the modules of a washing machine according to the present invention;
FIG. 2 is a schematic diagram of a lint filter apparatus according to the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is a schematic structural view of the rotating member.
1. A foreign matter detector; 2. a filter cover; 3. a filter; 31. a rear housing; 32. a front housing; 33. a lint chamber; 41. a first infrared sensor; 42. a second infrared sensor; 5. a rotating member.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 4, the present invention provides a washing machine including an inner tub, on an inner wall of which a foreign matter detector is provided.
Further, the washing machine comprises an inner barrel and a thread scraps filtering device arranged on the inner wall of the inner barrel, the washing machine comprises a foreign matter detector 1, and the foreign matter detector 1 is arranged on the thread scraps filtering device.
The stainless steel barrel wall is arranged on the inner barrel of the washing machine, and the difficulty of directly installing the foreign matter detector 1 on the stainless steel barrel wall is excessive, so that the foreign matter detector 1 is arranged on the thread scrap filtering device on the stainless steel barrel wall, the installation structure of the foreign matter detector 1 is simplified, and the difficulty of directly installing the foreign matter detector 1 on the stainless steel barrel wall of the inner barrel is reduced.
Example 1
Referring to fig. 1 to 4, in the present embodiment, the lint filtering apparatus includes a mounting plate fixed to an inner wall of an inner tub of the washing machine and a filtering cover 2 mounted on the mounting plate, and the foreign matter detector 1 is mounted on the mounting plate and is located in a lint chamber formed between the mounting plate and the filtering cover 2. Install foreign matter detector 1 on the mounting panel, be located in the line bits cavity 33 that forms between mounting panel and the filter cover 2, have the guard action to foreign matter detector 1, prevent in the washing process, clothing collision foreign matter detector 1 causes the damage to foreign matter detector 1, and inside the line bits filter equipment is installed to foreign matter detector 1, design mounting structure more easily.
In another preferred scheme, the thread scrap filtering device comprises a mounting plate fixed on the inner wall of the inner barrel of the washing machine and a filtering cover 2 arranged on the mounting plate, wherein a mounting opening is formed in the filtering cover 2, a filter 3 is detachably arranged on the mounting opening, and the foreign matter detector 1 is arranged on the filter 3, so that the filter 3 is detachably arranged, the dismounting of the foreign matter detector 1 is facilitated, the maintenance, the charging, the storage battery replacement and the like are facilitated, and the details of the filtering cover are described in the following embodiments.
The filter 3 comprises a rear housing 31 and a front housing 32 with a water outlet, the front housing 32 and the rear housing 31 are buckled to form a thread scraps chamber 33 inside, and the foreign matter detector 1 is mounted on the rear housing 31.
The foreign matter detector 1 includes a first infrared sensor 41, and a receiving end of the first infrared sensor 41 is disposed toward the front housing 32 side. The receiving end of the first infrared sensor 41 is disposed toward the front housing 32 side to collect infrared radiation in the inner tub, thereby judging whether foreign materials exist in the inner tub. The first infrared sensor 41 is designed as a passive infrared sensor, and the passive infrared sensor determines whether foreign matters exist in the inner tub according to the received infrared radiation. In this embodiment, the first infrared sensor 41 is a passive infrared sensor, and recognizes whether or not there is a foreign object in the washing tub based on thermal imaging, and any object radiates electromagnetic waves to the outside based on different temperatures, and a portion having a wavelength of 2.0 to 1000 μm is called thermal infrared. Thermal infrared imaging can reflect the temperature field on the surface of an object by imaging the object by a thermal infrared sensitive CCD. In this embodiment, the foreign matter detector 1 detects whether there is a foreign matter in the washing machine according to the principle, and especially has more obvious detection effect on living things.
Example two
Referring to fig. 1 to 4, in the second embodiment, the structure of a foreign matter detector 1 is described in further detail on the basis of the first embodiment.
The foreign matter detector 1 includes a rotating member 5 and a driving member that drives the rotating member 5 to rotate, the first infrared sensor 41 is provided on the rotating member 5, the driving member drives the rotating member 5 to rotate, and the detection position of the first infrared sensor 41 is adjusted. In this embodiment, the first infrared sensor 41 is disposed on the rotating member 5, and the rotating member 5 rotates to drive the first infrared sensor 41 to rotate, so that the infrared radiation inside the whole inner barrel can be collected, and whether the foreign matters exist inside the inner barrel can be comprehensively detected.
The foreign matter detector 1 comprises two first infrared sensors 41, the rotating part 5 is of a disc-shaped structure, and the two first infrared sensors 41 are respectively arranged at two opposite side edges of the disc-shaped structure. Through setting up two infrared sensor and improving foreign matter detection degree of accuracy, and infrared sensor sets up the border at discoid structure, along with the rotation of rotating member 5, carries out all-round detection to interior bucket inside, prevents to miss. It should be noted that, in the present embodiment, the detection of the foreign matter is based on the thermal imaging principle, so the front housing of the filter does not affect the detection effect of the first infrared sensor.
Example III
At present, washing clothes filings collected in a filings filtering device in a washing machine are required to be checked and cleaned by a user at regular intervals, and the use requirement of the user on intelligent household appliances cannot be met.
Referring to fig. 1 to 4, in the third embodiment, a solution is provided for this case: the foreign matter detector 1 includes a second infrared sensor 42, the second infrared sensor 42 is disposed toward the filter cover 2, the second infrared sensor 42 emits an infrared signal, and the accumulation amount of lint is determined according to the reflected signal of the infrared signal.
In this embodiment, the foreign matter detector 1 is designed to automatically detect the accumulation amount of the lint in the lint filter by the second infrared sensor 42, so that the user is not required to periodically and automatically check the accumulation of lint, and the requirement of the user on the intelligent household appliance is met.
The second infrared sensor is an active infrared sensor and comprises a transmitter and a receiver, wherein the transmitter transmits an infrared signal towards one side of the inside of the front shell/the inner barrel, and the foreign matter detector 1 judges whether the accumulated height of the wire scraps reaches a set value according to a reflected signal received by the receiver.
The second infrared sensor is installed on the rear housing of the filter, and when the infrared signal emitted from the second infrared sensor 42 is blocked by the lint accumulated in the lint chamber 33 of the filter, the infrared signal is reflected, and the foreign matter detector 1 can determine the accumulation of lint in the lint chamber 33 according to the reflected signal.
The second infrared sensor 42 is provided on the rotating member 5, and can accurately detect the accumulated height of lint.
When the second infrared sensor 42 is provided at the edge position of the rotating member 5, the rotating member 5 rotates, and the second infrared sensor 42 can detect whether different heights are blocked, thereby detecting the accumulated height of the lint.
In another specific embodiment, the second infrared sensor 42 is disposed at the center of the rotation part 5, so as to accurately detect whether the accumulated wire scrap height is higher than a set height, the set height is a detection position of the second infrared sensor 42, and in a specific control scheme, when the second infrared sensor 42 detects that the accumulated wire scrap height reaches the set height, the washing machine prompts the user to clean the wire scrap.
Example IV
Referring to fig. 1, in the fourth embodiment, the foreign object detector 1 includes a power supply device, where the power supply device is electrically connected to the foreign object detector 1, and specifically, the power supply device is electrically connected to the first infrared sensor 41, the second infrared sensor 42, and the driving component, and provides electric energy for each component.
In a preferred scheme, the power supply device is a detachable battery, is arranged in the online scrap filtering device, is waterproof, cannot generate electric leakage, and can be replaced when the electric quantity is insufficient.
In another embodiment, the power supply device comprises a storage battery detachably mounted in the filter, and when the electric quantity of the storage battery is insufficient, the filter can be taken out, the storage battery can be taken out from the filter, and the storage battery can be replaced or the storage battery can be mounted after being charged.
In a more preferred embodiment, the washing machine comprises a wireless charging device and an inductive charging device electrically connected to the battery. The wireless charging device can wirelessly charge the storage battery without the need of the user to detach the storage battery. The foreign matter detector 1 comprises a controller, the controller detects the electric quantity of the storage battery, and the washing machine judges whether to charge the storage battery wirelessly according to the detection result of the controller.
The wireless charging device comprises a power transmission coil, and the induction charging device comprises a power receiving coil. The induction charging device can be arranged on the outer barrel, can be arranged on the box body of the washing machine, can be arranged outside the washing machine, and is arranged on a wall body, and the washing machine is further provided with a limiting structure for limiting the position of the inner barrel when the storage battery is wirelessly charged, so that the induction charging device faces the position of the wireless charging device, and charging is achieved.
Example five
In the fifth embodiment, the foreign object detector 1 includes a communication module, and the communication module is communicatively connected with a control end of the washing machine and sends detection information to the control end. In this embodiment, the control end may be a controller of the washing machine, or the control end may be an intelligent terminal, for example, a mobile phone, and the washing machine or the intelligent terminal receives the detection information and prompts the user.
Example six
The present embodiment provides a control method of the washing machine of the above embodiments, in which the foreign matter detector 1 is disposed on the inner wall of the inner tub of the washing machine, the control method including: the foreign matter detector 1 detects the inner space of the inner barrel and judges whether foreign matters exist or not according to the detection information.
Specifically, the foreign matter detector 11 is built in the online chip filtering device, when a user puts clothes, the rotating part 5 drives the first infrared sensor 41 to rotate to align with the clothes load, whether the clothes load has foreign matters or not is identified through the infrared sensor imaging technology, and when no foreign matters are identified, the washing machine normally executes a washing program, namely the processes of water inlet, washing, rinsing, dehydration and the like are controlled in sequence; the foreign matter detector 11 of the present invention recognizes whether a foreign matter exists in a laundry load through an infrared sensor imaging technique, and when a foreign matter is recognized, the washing machine may prompt a user through alarm chirp, and foreign matter exists in washed laundry or in a laundry pocket. The washing machine judges whether the user takes off the foreign matters by detecting whether the user opens and closes the cover through the program, when detecting that the cover body is opened, the foreign matter detector 11 detects again, and when recognizing that no foreign matters exist, the washing program is continuously executed according to the normal flow; when the cover body is not detected to be opened, the washing machine prompts a user to remove the foreign matters through alarm ringing, then a washing program is executed, and when the alarm ringing prompt tone exceeds 15 minutes and the cover opening operation of the user is not detected, the washing machine automatically displays failure information that the foreign matters are not successfully removed and informs the user to operate.
Meanwhile, in the invention, the foreign matter detector 1 also detects the accumulation condition of the thread scraps in the thread scraps filter 3, the second infrared sensor 42 of the foreign matter detector 1 judges whether the thread scraps in the filter 3 are accumulated to exceed the height preset value of the probe of the second infrared sensor 42 by detecting the change of the reflection information of the infrared signals, and when the height exceeds the preset value, the washing machine generates prompt information when detecting that a user uncaps to fetch clothes and prompts the user to clean the thread scraps when the washing process is finished each time.
The washing machine can intelligently prompt a user whether foreign matters exist in clothes washed by the washing machine and whether living matters exist in the washing barrel, meets the intelligent requirements of the user, prevents the phenomenon that the clothes are damaged by foreign matters during washing and the washing machine is damaged, and simultaneously intelligently prompts the user to clean the thread scraps in the thread scraps filter 3, meets the health washing and protecting requirements of the user and has good user experience.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present invention without departing from the scope of the invention.
Claims (11)
1. The washing machine comprises an inner barrel, and is characterized in that a foreign matter detector is arranged on the inner wall of the inner barrel;
the inner wall of the inner barrel is provided with a thread scraps filtering device, and the foreign matter detector is arranged on the thread scraps filtering device;
the lint filter device comprises a lint chamber, and the foreign matter detector is arranged in the lint chamber;
the foreign matter detector comprises a first infrared sensor, a rotating part and a driving part for driving the rotating part to rotate, wherein a probe of the first infrared sensor is arranged towards the inner wall of the thread scraps chamber, the first infrared sensor is arranged on the rotating part, and the driving part drives the rotating part to rotate and adjusts the detection position of the first infrared sensor;
the foreign matter detector comprises two first infrared sensors, the rotating part is of a disc-shaped structure, and the two first infrared sensors are respectively arranged at two opposite side edges of the disc-shaped structure;
the thread scraps filtering device comprises a mounting plate, a filtering cover arranged on the mounting plate on the inner wall of the inner barrel of the washing machine and a filter detachably arranged on the filtering cover, and the foreign matter detector is arranged on the filter/filtering cover;
the filter comprises a rear shell and a front shell with a water outlet, wherein the front shell and the rear shell are buckled to form a thread scraps chamber inside, and the foreign matter detector is arranged on the rear shell and is positioned in the thread scraps chamber.
2. The washing machine as claimed in claim 1, wherein the first infrared sensor is a passive infrared sensor, and the first infrared sensor judges whether the inside of the inner tub has foreign matter according to the received infrared radiation.
3. The washing machine as claimed in claim 1, wherein the foreign matter detector includes a second infrared sensor having a probe disposed toward the front housing, the second infrared sensor emitting an infrared signal and determining an accumulation amount of lint in the lint chamber based on a reflected signal of the infrared signal.
4. A washing machine as claimed in claim 3, wherein the second infrared sensor is an active infrared sensor, and comprises a transmitter and a receiver, the transmitter transmits an infrared signal toward one side of the front housing, and the foreign matter detector judges whether the accumulated level of lint reaches a set value according to a reflected signal received by the receiver.
5. A washing machine as claimed in claim 4, wherein the second infrared sensor is provided on the rotating member.
6. A washing machine as claimed in claim 5, wherein the second infrared sensor is disposed at a center of the rotating member.
7. A washing machine as claimed in claim 6, comprising power supply means electrically connected to the foreign object detector.
8. A washing machine as claimed in claim 7, wherein the power supply means comprises a battery.
9. A washing machine as claimed in claim 8, comprising wireless charging means and inductive charging means electrically connected to the battery;
the wireless charging device comprises a power transmission coil, and the induction charging device comprises a power receiving coil.
10. A washing machine as claimed in claim 9, wherein the foreign matter detector includes a communication module,
the communication module is in communication connection with a control end of the washing machine and sends detection information of the foreign matter detector to the control end.
11. A control method of a washing machine according to any one of claims 1 to 10, wherein a foreign matter detector is provided on an inner wall of an inner tub of the washing machine, the control method comprising: the foreign matter detector detects the inner space of the inner barrel, and the foreign matter detector/washing machine judges whether foreign matters exist in the inner barrel according to the detection information;
the foreign matter detector detects accumulation conditions of lint in the lint filter;
judging whether the accumulation of the thread scraps in the thread scraps filter exceeds a preset height value or not;
and if the accumulation of the thread scraps in the thread scraps filter exceeds the preset height value, generating prompt information to prompt a user to clean the thread scraps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910456662.2A CN112011964B (en) | 2019-05-29 | 2019-05-29 | Washing machine and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910456662.2A CN112011964B (en) | 2019-05-29 | 2019-05-29 | Washing machine and control method thereof |
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| CN112011964A CN112011964A (en) | 2020-12-01 |
| CN112011964B true CN112011964B (en) | 2023-09-22 |
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| CN114960155A (en) * | 2021-02-26 | 2022-08-30 | 青岛海尔洗衣机有限公司 | Clothes accommodating device, foreign matter detection method, system, medium and program product |
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| KR19980067491A (en) * | 1997-02-05 | 1998-10-15 | 이영서 | Filter replacement time alarm device and washing method |
| JP2007222259A (en) * | 2006-02-22 | 2007-09-06 | Matsushita Electric Ind Co Ltd | Washing machine |
| CN104975474A (en) * | 2014-04-09 | 2015-10-14 | 海尔集团公司 | Fluff filter and washing machine with same |
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