CN112011964A - Washing machine and control method thereof - Google Patents
Washing machine and control method thereof Download PDFInfo
- Publication number
- CN112011964A CN112011964A CN201910456662.2A CN201910456662A CN112011964A CN 112011964 A CN112011964 A CN 112011964A CN 201910456662 A CN201910456662 A CN 201910456662A CN 112011964 A CN112011964 A CN 112011964A
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- washing machine
- infrared sensor
- foreign matter
- lint
- matter detector
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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, the washing machine comprises an inner barrel and a thread scrap 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 scrap filtering device. The washing machine can automatically detect whether foreign matters exist in the washing machine after a user puts clothes in the washing machine, and prompts the user when the foreign matters are detected, so that the safety of the user is guaranteed, and the washing machine or the articles can be prevented from being damaged by mistakenly washing certain articles. The washing machine provided by the invention can intelligently detect the foreign matters, prevent the foreign matters from damaging clothes and damaging the washing machine, and intelligently prompt a user to clean the thread scraps in the thread scrap filtering device, so that the healthy 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 becomes an indispensable household appliance in family life, the washing machine provides great convenience in family life of people, and after the clothes of a user are dirty, the clothes are directly put into the washing machine, the starting key is triggered, and the washing machine automatically executes a washing program to wash the clothes.
The existing washing machines are more and more intelligent, the washing machines are automatically executed in many aspects, and users do not need to participate in the washing machines.
Although the washing machine brings convenience to family life to a great extent, certain safety risks exist in the working process of the washing machine, for example, 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 pockets of users, the users forget, the articles cannot be identified by the washing machine, if the users trigger an opening 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 are disastrous.
The more serious is the safety problem, children often will hide in the washing machine when playing and hiding now, if the start key has been bumped by mistake to this moment, and washing machine opens the operation, very easy emergence incident, if again have the pet in the family, the pet also gets into in the washing machine easily, if the user does not find the condition, in case the washing machine door is closed, then easy emergence danger.
In addition, the washing clothes lint collected in the lint filtering device of the washing machine also needs to be checked and cleaned by the user at regular intervals, which also cannot meet the use requirement of the user on the intelligent household appliance.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The first objective of the present invention is to provide a washing machine, which can automatically detect whether there is a foreign object in the washing machine after a user puts clothes in the washing machine, so as to ensure the safety of the user, and prevent some articles from being mistakenly washed to damage the washing machine or the articles, thereby ensuring the safe operation of the washing event and ensuring the user experience.
In order to achieve the first purpose, the 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, a lint filter device is installed on an inner wall of the inner tub, and the foreign matter detector is disposed on the lint filter device.
In the scheme, the inner barrel of the washing machine is provided with the stainless steel barrel wall, and the difficulty of directly installing the foreign matter detector on the stainless steel barrel wall is overlarge, so that the foreign matter detector is arranged on the thread scrap filtering device on the stainless steel barrel wall, the installation structure of the foreign matter detector is simplified, and the difficulty of directly installing the foreign matter detector on the stainless steel barrel wall of the inner barrel is reduced.
Preferably, the lint filter device comprises a mounting plate fixed to an inner wall of the inner tub of the washing machine and a filter cover mounted on the mounting plate, and the foreign matter detector is mounted on the mounting plate and located in a lint chamber formed between the mounting plate and the filter cover.
In the above scheme, install the foreign matter detector on the mounting panel, be located in the line bits cavity that forms between mounting panel and the filter cover has the guard action to the foreign matter detector, prevents that the clothing from colliding the foreign matter detector and causing the damage to the foreign matter detector in the washing process.
In another aspect, the lint filtering device comprises a filter detachably mounted on the filter cover, and the foreign object detector is mounted on the filter/filter cover.
Preferably, the filter includes a rear housing and a front housing having a water outlet hole, the front and rear housings being fastened to form a lint chamber therein, and the foreign object detector is mounted on the rear housing.
Preferably, the foreign object detector includes a first infrared sensor, and a probe of the first infrared sensor is disposed toward the front housing.
In the 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 that whether foreign matters exist in the inner barrel or not is judged.
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 received infrared radiation.
In the above scheme, the first infrared sensor is a passive infrared sensor, and whether foreign matters exist in the washing tub is identified according to thermal imaging.
Preferably, the foreign object 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, and the driving part drives the rotating part to rotate to adjust the detection position of the first infrared sensor.
In the above scheme, first infrared sensor sets up on rotating element, and rotating element rotates and drives first infrared sensor and rotate, can gather the inside infrared radiation of whole interior bucket, whether there is the foreign matter in the inside of overall detection interior bucket.
Preferably, the foreign object detector comprises two first infrared sensors, the rotating part is a disc-shaped structure, and the two first infrared sensors are respectively arranged on two opposite side edges of the disc-shaped structure.
In above-mentioned scheme, improve the foreign matter detection accuracy degree through setting up two infrared sensor, and infrared sensor sets up at the border of discoid structure, along with the rotation of rotatable parts, carries out all-round detection to the inside of inner barrel.
Preferably, the foreign matter detector includes a second infrared sensor, a probe of the second infrared sensor is disposed toward the front housing, and the second infrared sensor transmits an infrared signal and determines an accumulation amount of lint according to a reflection signal of the infrared signal.
In the above scheme, the foreign matter detector designs the accumulation amount of the thread scraps in the second infrared sensor capable of automatically detecting the thread scraps filtering device, so that the user does not need to regularly check the thread scraps accumulation by himself, and the requirement of the user on intelligent household appliances is met.
Preferably, the second infrared sensor is an active infrared sensor and includes a transmitter and a receiver, the transmitter transmits an infrared signal toward one side of the front housing, and the foreign object detector determines whether the lint accumulation 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 lint accumulation height.
Preferably, the second infrared sensor is arranged at the center of the circle of the rotating component, and can accurately detect whether the accumulated height of the line scraps is higher than a set height, wherein the set height is the detection position of the second infrared sensor.
Preferably, the device comprises a power supply device, and the power supply device is electrically connected with the foreign matter detector;
preferably, the power supply device comprises a storage battery;
this battery detachable install in filter equipment, when the battery power is not enough, can take out this battery, change the battery or install again after charging.
In another preferred aspect, the washing machine includes a wireless charging device and an induction charging device electrically connected to the battery. The wireless charging device can wirelessly charge the storage battery, and a user does not need to disassemble the storage battery.
Wherein, wireless charging device includes the power transmission coil, induction charging device includes the power receiving coil.
Preferably, the foreign matter detector comprises a communication module, 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 terminal may be a controller of the washing machine itself, or the control terminal is an intelligent terminal, such as a mobile phone, and 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 object detector is disposed on an inner wall of an inner tub, the control method including: the foreign matter detector detects the inner space of the inner barrel and judges whether foreign matters exist 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, the washing machine comprises an inner barrel and a thread scrap 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 scrap filtering device. The washing machine can automatically detect whether foreign matters exist in the washing machine after a user puts clothes in the washing machine, and prompts the user when the foreign matters are detected, thereby ensuring the safety of the user and preventing the washing machine or the articles from being damaged by mistakenly washing certain articles. The washing machine provided by the invention can intelligently detect foreign matters, ensure the safe operation of washing events and has good user experience.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, 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 without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic diagram of modules of the washing machine of the present invention;
FIG. 2 is a schematic view of the lint filter apparatus of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is a schematic view of the structure 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 the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 4, the present invention provides a washing machine including an inner tub having a foreign matter detector disposed on an inner wall thereof.
Further, the washing machine comprises an inner barrel and a thread scrap 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 scrap filtering device.
The inner barrel of the washing machine is provided with the stainless steel barrel wall, and the difficulty of directly installing the foreign matter detector 1 on the stainless steel barrel wall is overlarge, 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 one
Referring to fig. 1 to 4, in the present embodiment, the lint filter device includes a mounting plate fixed to an inner wall of an inner tub of a washing machine and a filter cover 2 mounted on the mounting plate, and the foreign matter detector 1 is mounted on the mounting plate in a lint chamber formed between the mounting plate and the filter 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 has the guard action to foreign matter detector 1, prevents in the washing process that clothing collision foreign matter detector 1 causes the damage to foreign matter detector 1, and foreign matter detector 1 installs inside line bits filter equipment, designs mounting structure more easily.
In another preferred embodiment, the lint filtering device comprises a mounting plate fixed on the inner wall of the inner tub of the washing machine and a filtering cover 2 mounted on the mounting plate, the filtering cover 2 is provided with a mounting opening, a filter 3 is detachably mounted on the mounting opening, and the foreign object detector 1 is disposed on the filter 3, because the filter 3 is detachably mounted, the foreign object detector 1 is convenient to disassemble and assemble, maintenance, charging, battery replacement and the like are facilitated, and this will be described in detail in the following embodiments.
The filter 3 includes a rear housing 31 and a front housing 32 having a water outlet hole, the front housing 32 and the rear housing 31 are fastened to form a lint chamber 33 therein, and the foreign object detector 1 is mounted on the rear housing 31.
The foreign object detector 1 includes a first infrared sensor 41, and a receiving end of the first infrared sensor 41 is disposed toward the front case 32 side. The receiving end of the first infrared sensor 41 is disposed toward one side of the front casing 32 to collect infrared radiation in the inner tub, thereby determining whether there is a foreign matter in the inner tub. The first infrared sensor 41 is designed as a passive infrared sensor, and the passive infrared sensor determines whether foreign matter is present inside the inner tub according to the received infrared radiation. In this embodiment, the first infrared sensor 41 is a passive infrared sensor, and identifies whether there is a foreign object in the washing tub according to thermal imaging, and any object is subjected to electromagnetic wave radiation according to temperature difference, and a part having a wavelength of 2.0 to 1000 μm is called thermal infrared ray. The thermal infrared imaging can reflect the temperature field on the surface of an object by imaging the object through the thermal infrared sensitive CCD. In the embodiment, the foreign matter detector 1 detects whether foreign matters exist in the washing machine according to the principle, and particularly, the detection effect on living matters is more obvious.
Example two
Referring to fig. 1 to 4, in the second embodiment, the structure of the foreign object detector 1 will be further described in detail based on the first embodiment.
The foreign matter detector 1 comprises a rotating component 5 and a driving component for driving the rotating component 5 to rotate, the first infrared sensor 41 is arranged on the rotating component 5, and the driving component drives the rotating component 5 to rotate to adjust the detection position of the first infrared sensor 41. 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 as to collect the infrared radiation inside the whole inner barrel and detect whether there is a foreign object inside the inner barrel comprehensively.
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 on two opposite side edges of the disc-shaped structure. Improve the foreign matter detection accuracy degree through setting up two infrared sensor, and infrared sensor sets up at the border of discoid structure, along with the rotation of rotating part 5, carries out all-round detection to the inside of inner barrel, prevents to omit. It should be explained that in this embodiment, the detection of the foreign object is based on the thermal imaging principle, and therefore the front housing of the filter does not affect the detection effect of the first infrared sensor.
EXAMPLE III
Nowadays, the washed clothes thread scraps collected in the thread scraps filtering device in the washing machine also need to be checked and cleaned by a user regularly, and the use requirement of the user on intelligent household appliances cannot be met.
Referring to fig. 1-4, in the third embodiment, a solution is provided for this situation: the foreign matter detector 1 comprises a second infrared sensor 42, the second infrared sensor 42 faces the filter cover 2, the second infrared sensor 42 emits infrared signals, and the accumulated amount of the thread scraps is judged according to reflection signals of the infrared signals.
In this embodiment, the foreign object detector 1 has designed the second infrared sensor 42 to automatically detect the accumulated amount of the lint in the lint filter device, and does not need the user to periodically check the accumulation of the lint, thereby satisfying the user's demand for the intelligent household electrical appliance.
The second infrared sensor is an active infrared sensor and comprises a transmitter and a receiver, the transmitter transmits infrared signals towards one side of the inner part of the front shell/inner barrel, and the foreign body detector 1 judges whether the thread crumb accumulation height reaches a set value or not according to the reflected signals received by the receiver.
The second infrared sensor is mounted on the rear housing of the filter, when the infrared signal emitted by the second infrared sensor 42 is blocked by lint accumulated in the lint chamber 33 of the filter, the infrared signal is reflected, and the foreign object 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 lint accumulation height.
When the second infrared sensor 42 is disposed at an edge position of the rotating member 5 and the rotating member 5 rotates, the second infrared sensor 42 may detect whether the different height is 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 rotating member 5, and can accurately detect whether the lint accumulation height is higher than a set height, which 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 lint accumulation height reaches the set height, the washing machine prompts a user to clean lint.
Example four
Referring to fig. 1, in the fourth embodiment, the foreign object detector 1 includes a power supply device, the power supply device is electrically connected to the foreign object detector 1, specifically, the power supply device is electrically connected to the first infrared sensor 41, the second infrared sensor 42, and the driving component, so as to provide electric energy for each component.
In a preferred scheme, power supply unit for can dismantle the battery, install in line bits filter equipment, it has carried out waterproof design, can not take place electric leakage phenomenon, when the electric quantity is not enough, it can to change the battery.
In another specific embodiment, the power supply device comprises a storage battery, the storage battery is detachably arranged in the filter, when the electric quantity of the storage battery is insufficient, the filter can be taken out, the storage battery is taken out from the filter, and the storage battery is replaced or arranged 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, and a user does not need to disassemble 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 wirelessly charge the storage battery according to the detection result of the controller.
Wherein, wireless charging device includes the power transmission coil, induction charging device includes the power receiving coil. The induction charging device can be arranged on the outer barrel, can also be arranged on a box body of the washing machine, can also be arranged outside the washing machine, for example, the induction charging device 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 wireless charging device to realize charging.
EXAMPLE five
In the fifth embodiment, the foreign object detector 1 includes a communication module, and the communication module is in communication connection with the control end of the washing machine and sends the detection information to the control end. In this implementation, the control end may be a controller of the washing machine local machine, or the control end is an intelligent terminal, such as a mobile phone, and the washing machine or the intelligent terminal receives the detection information and then prompts the detection information to the user.
EXAMPLE six
The present embodiment provides a control method of a washing machine according to the above embodiments, in which a foreign object detector 1 is disposed on an inner wall of an 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 there is a foreign matter according to the detection information.
Specifically, the foreign matter detector 11 is arranged in the online debris filtering device, when a user puts clothes in, the rotating part 5 drives the first infrared sensor 41 to rotate to aim at the clothes load, whether foreign matters exist in the clothes load is identified through an infrared sensor imaging technology, and when the foreign matters are not identified, the washing machine normally executes a washing program, namely processes of water inlet, washing, rinsing, dewatering and the like are sequentially controlled; the foreign matter detector 11 of the invention identifies whether foreign matters exist in the clothes load through an infrared sensor imaging technology, and when the foreign matters are identified, the washing machine can prompt a user through alarming to sound, and the foreign matters exist in the washed clothes or clothes bags. The washing machine judges whether the user takes the foreign matter away or not by detecting whether the user opens or closes the cover through a program, when the cover body is detected to be opened, the foreign matter detector 11 detects again, and when no foreign matter is identified, the washing program is continuously executed according to a normal flow; when the cover body is not detected to be opened, the washing machine prompts a user to remove the foreign matters through alarming and whistling, then the washing program is executed, if the condition that the opening operation of the user is not detected after the alarming and whistling prompt tone exceeds 15min, the washing machine automatically displays the failure information that the foreign matters are not successfully removed, and informs the user of operating.
Meanwhile, in the invention, the foreign matter detector 1 also detects the accumulation condition of the thread scraps in the thread scrap 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 preset height value of the probe of the second infrared sensor 42 by detecting the change of infrared signal reflection information, and after the height of the thread scraps exceeds the preset height value, when the washing machine detects that a user uncovers to take clothes every time the washing process is finished, prompt information is generated to prompt the user to clean the thread scraps.
The washing machine can intelligently prompt a user whether foreign matters exist in clothes to be washed and whether living matters exist in the washing barrel or not, meets the intelligent requirements of the user, prevents the phenomena that the clothes are damaged by washing the foreign matters and the washing machine is damaged, and can intelligently prompt the user to clean the thread scraps in the thread scrap filter 3, meet the health washing and protecting requirements of the user and achieve good user experience.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A 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.
2. The washing machine as claimed in claim 1, wherein a lint filter device is installed on an inner wall of the inner tub, and the foreign matter detector is provided on the lint filter device;
preferably, the lint filtering device includes a filter cover mounted on an inner wall of an inner tub of the washing machine, and a filter detachably mounted on the filter cover, and the foreign matter detector is mounted on the filter/filter cover.
3. A washing machine as claimed in claim 2, wherein the filter includes a rear casing and a front casing having a water outlet hole, the front and rear casings being fastened to form a lint chamber therein, the foreign matter detector being mounted on the rear casing in the lint chamber;
preferably, the foreign object detector includes a first infrared sensor, and a probe of the first infrared sensor is disposed toward one side of the front housing;
more preferably, the first infrared sensor is a passive infrared sensor, and the first infrared sensor judges whether foreign matter exists in the inner barrel according to the received infrared radiation.
4. A washing machine according to claim 3, wherein the foreign matter detector includes a rotating member on which the first infrared sensor is provided and a driving member that drives the rotating member to rotate, the driving member driving the rotating member to rotate adjusting a detection position of the first infrared sensor;
preferably, the foreign object detector comprises two first infrared sensors, the rotating part is a disc-shaped structure, and the two first infrared sensors are respectively arranged on two opposite side edges of the disc-shaped structure.
5. The washing machine as claimed in claim 4, wherein the foreign matter detector includes a second infrared sensor having a probe disposed toward the front casing, the second infrared sensor emitting an infrared signal and determining an amount of accumulated lint in the lint chamber based on a reflected signal of the infrared signal;
preferably, the second infrared sensor is an active infrared sensor and includes a transmitter and a receiver, the transmitter transmits an infrared signal toward one side of the front housing, and the foreign object detector determines whether the lint accumulation height reaches a set value according to a reflected signal received by the receiver.
6. A washing machine as claimed in claim 5, wherein the second infrared sensor is provided on the rotary member;
preferably, the second infrared sensor is disposed at a center of the rotating member.
7. A washing machine according to any one of claims 1 to 6, comprising a power supply means electrically connected to the foreign matter detector;
preferably, the power supply device includes a battery.
8. A washing machine as claimed in claim 7, comprising a wireless charging means and an inductive charging means electrically connected to the battery;
the wireless charging device comprises a power transmission coil, and the inductive charging device comprises a power receiving coil.
9. A washing machine as claimed in any one of claims 1 to 6 wherein the foreign object detector comprises a communication module which is in communication with a control terminal of the washing machine and which sends detection information from the foreign object detector to the control terminal.
10. A control method of a washing machine, a foreign matter detector is arranged on the inner wall of an inner barrel of the washing machine, and the control method is characterized by comprising the following steps: 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.
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| CN201910456662.2A CN112011964B (en) | 2019-05-29 | 2019-05-29 | Washing machine and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022179630A1 (en) * | 2021-02-26 | 2022-09-01 | 青岛海尔洗衣机有限公司 | Clothes containing device, foreign object detection method, system, medium, and program product |
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| CN207749338U (en) * | 2017-06-23 | 2018-08-21 | 无锡小天鹅股份有限公司 | Device for clothing processing |
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| CN208293268U (en) * | 2018-05-31 | 2018-12-28 | 南京信息工程大学 | A kind of washing machine filtering net box cleaning prompt meter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022179630A1 (en) * | 2021-02-26 | 2022-09-01 | 青岛海尔洗衣机有限公司 | Clothes containing device, foreign object detection method, system, medium, and program product |
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