WO2021180171A1 - 一种洗衣机 - Google Patents

一种洗衣机 Download PDF

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Publication number
WO2021180171A1
WO2021180171A1 PCT/CN2021/080197 CN2021080197W WO2021180171A1 WO 2021180171 A1 WO2021180171 A1 WO 2021180171A1 CN 2021080197 W CN2021080197 W CN 2021080197W WO 2021180171 A1 WO2021180171 A1 WO 2021180171A1
Authority
WO
WIPO (PCT)
Prior art keywords
inner cylinder
door
cylinder door
closed
lock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/080197
Other languages
English (en)
French (fr)
Inventor
赵志强
吕佩师
许升
李以民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Drum Washing Machine Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Drum Washing Machine Co Ltd
Haier Smart Home Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Drum Washing Machine Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Drum Washing Machine Co Ltd
Priority to JP2022554860A priority Critical patent/JP2023523525A/ja
Publication of WO2021180171A1 publication Critical patent/WO2021180171A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D06F37/10—Doors; Securing means therefor
    • 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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/47—Responding to irregular working conditions, e.g. malfunctioning of pumps 
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/20—Parameters relating to constructional components, e.g. door sensors
    • 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
    • D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a vertical axis
    • D06F37/18—Doors or covers; Securing means therefor
    • 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

Definitions

  • the present invention relates to the technical field of laundry equipment, in particular to a washing machine.
  • washing machine helps people get rid of the trouble of laundry and brings great convenience to people.
  • existing washing machines generally include an inner tube and an outer tube. There are multiple dehydration holes on the wall of the inner tube. During the washing process, the washing water between the inner tube and the outer tube will not be used, causing this part of the washing machine to be washed. Water is wasted, and the dirt generated during the washing process will be accumulated as the water flows between the inner tube and the outer tube. With long-term use, the accumulation of dirt will affect the washing effect and reduce the user experience.
  • a conventional drum washing machine with a non-porous inner tub there is a conventional drum washing machine with a non-porous inner tub.
  • the opening of the non-porous inner tub is equipped with an inner tub door that can be opened/closed, thereby forming an internal chamber that can independently contain washing water.
  • the washing water is contained in the inner tube, and there is no water between the inner tube and the outer tube, which solves the dirt problem between the inner tube and the outer tube and saves the washing water consumption.
  • the inner tub During the dehydration process with high-speed rotation, if the inner cylinder door is not locked or locked in place, it will cause serious safety accidents. Therefore, the detection of the closing position of the inner drum door is the key to whether the drum washing machine with a non-porous inner drum can operate normally.
  • a position detection device for detecting whether the inner cylinder door is closed in place is provided on the outer cylinder or the shell.
  • a magnet is arranged on the inner cylinder door
  • a reed switch is arranged on the outer cylinder.
  • the detection accuracy of the reed switch is low, and the displacement difference of the inner cylinder door in the two states of the inner cylinder door is locked and unlocked is small.
  • the selection of specifications and position settings of reed pipes and electromagnets are more complicated, and there may be a closed but unlocked state of the inner cylinder door, which is difficult to be detected by the dry yellow pipe, which poses a safety hazard.
  • this application aims to solve the problem of whether the inner cylinder door of the non-porous inner cylinder is locked in place.
  • the purpose of the present invention is to provide a washing machine. Specifically, the following technical solutions are adopted:
  • a washing machine including:
  • the inner cylinder is rotatably arranged inside the shell;
  • the inner cylinder door which can be opened and closed, is installed at the mouth of the inner cylinder, and is used to close the mouth of the cylinder so that the inner cylinder forms a washing chamber that can hold washing water independently;
  • a position detection device including the detected end/detection end provided on the inner cylinder door and the detection end/detected end fixed in the housing, the detection signal of the detected end is obtained through the detection end to determine whether the inner cylinder door is closed in place .
  • the inner cylinder is rotatably arranged in the outer cylinder, and the housing corresponds to the cylinder opening of the outer cylinder with a clothing inserting opening, and the clothing inserting opening is installed with an opening Closed door
  • the detection end is arranged on the outer cylinder or the housing or the door and can obtain the detection signal of the detected end on the inner cylinder door.
  • the inner cylinder door includes an inner cylinder door body, an inner cylinder door shaft and an inner cylinder door lock, and the detected end is arranged on the inner cylinder door body or the inner cylinder door shaft or the inner cylinder door lock.
  • the detection end is a photoelectric sensor
  • the sensed end is a light reflector provided on the inner cylinder door
  • the photoelectric sensor can obtain the light reflected by the light reflector when the inner cylinder door is closed in place. Reflect light.
  • the light reflector is arranged on the inner cylinder door
  • the photoelectric sensor is arranged on the side of the door close to the inner cylinder door
  • the photoelectric sensor and the light reflector are located on the door and the inner cylinder. Keep the relative settings when the doors are closed in place.
  • the detection end is a magnetic induction element
  • the induced end is a permanent magnet element arranged on the shaft of the inner cylinder door
  • the magnetic induction element can sense the magnetism of the permanent magnet element when the inner cylinder door is closed in place. The signal generates an induction signal that characterizes the closing of the inner cylinder door.
  • the permanent magnet element is a magnet arranged on the shaft of the inner cylinder door
  • the magnetic induction element is a Hall sensor arranged on the outer cylinder or the housing
  • the Hall sensor is closed in place on the inner cylinder door. When it can sense the magnetic signal of the magnet.
  • the detection end is a magnetic induction element arranged on the door or the housing
  • the induced end is a permanent magnet element arranged on the inner cylinder door
  • the magnetic induction element is closed in place on the inner cylinder door.
  • the magnetic signal of the permanent magnet element can be induced to generate an induction signal that characterizes the closing of the inner cylinder door.
  • the permanent magnet element is arranged on the inner cylinder door lock, and the magnetic induction element is arranged on the inner wall of the housing and can sense the magnetic signal of the permanent magnet element when the inner cylinder door is closed in place;
  • the inner cylinder door lock includes a lock seat installed on the inner cylinder door and a lock tongue installed on the cylinder mouth of the inner cylinder:
  • the permanent magnet element is arranged on the lock tongue to move with the lock tongue, and the magnetic induction element can sense the magnetic signal of the permanent magnet element when the lock tongue is locked in the lock seat;
  • the lock seat is provided with a door lock trigger device that is linked with the bolt during the locking process of the inner cylinder door lock, the permanent magnet element is provided on the door lock trigger device, and the magnetic induction element is locked on the lock tongue.
  • the magnetic signal of the permanent magnet element on the door lock trigger device can be sensed.
  • the permanent magnet element is a magnet arranged on the inner cylinder door lock
  • the magnetic induction element is a reed switch sensor arranged on the housing
  • the reed switch sensor is closed and locked on the inner cylinder door. When it can sense the magnetic signal of the magnet.
  • the invention provides a front-opening drum washing machine with an inner tub.
  • An inner tub door is arranged on the inner tub to realize washing in a closed space of the inner tub, avoiding the possibility of clothes coming out of the inner tub, and the clothes being pressed and beaten causing the clothes to flow out or splash from the inner tub.
  • the water out avoids the possibility of dirt adhesion between the inner and outer cylinders, and truly realizes that there is no water between the barrels of the drum.
  • the washing machine of the present invention uses a position detection device to detect whether the inner drum door is closed in place, and fundamentally eliminates the situation that the inner drum door is not closed properly.
  • Fig. 1 is a schematic structural diagram of a washing machine according to an embodiment of the present invention
  • Figure 2 is a schematic structural diagram of a washing machine in the second embodiment of the present invention.
  • Fig. 3 is a schematic structural diagram of a washing machine in the third embodiment of the present invention.
  • Fig. 4 is a schematic diagram of the inner tub structure of the washing machine in the third embodiment of the present invention.
  • Figure 5 is a partial enlarged view of Figure 4 of the washing machine of the third embodiment of the present invention (the inner drum door is locked in place);
  • Fig. 6 is a partial enlarged view of Fig. 4 of the washing machine in the third embodiment of the present invention (the inner drum door is not locked in position/unlocked state);
  • Figure 7 is a partial enlarged view of Figure 4 of the washing machine of the fourth embodiment of the present invention (the inner drum door is locked in place);
  • Fig. 8 is a partial enlarged view of Fig. 4 of the washing machine according to the fourth embodiment of the present invention (the inner drum door is not locked in position/unlocked state).
  • a washing machine in this embodiment includes:
  • the inner cylinder 1 is arranged inside the housing 18;
  • the inner cylinder door 6, which can be opened and closed at the mouth of the inner cylinder 1, and forms a washing chamber with the inner cylinder 1 that can hold washing water independently;
  • a position detection device including the detected end/detected end provided on the inner cylinder door 6 and the detected end/detected end fixed in the housing 18, through which the detection signal of the detected end is obtained for judging the inner cylinder door 6 Whether it is closed in place.
  • the washing machine of this embodiment is provided with the detected end on the inner drum door 6 and the detecting end is fixed in the housing 18, or the detecting end is provided on the inner drum door 6 and the detected end is fixed in the housing 18, where
  • the detection terminal is installed on the inner cylinder door 6, the power supply and signal transmission problems of the detection terminal need to be solved, and wireless power supply or battery power supply and wireless communication can be adopted.
  • This embodiment discloses a front-opening drum washing machine with a non-porous inner tub.
  • the inner tub 1 has a non-porous structure.
  • the inner tub shaft tightly connected to the inner tub 1 passes through the bearing shown and is connected to the drive motor.
  • An openable/closable inner cylinder door 6 is installed on the front mouth of the inner cylinder 1, so as to realize that the inner cylinder 1 has an independent washing chamber for containing washing water. Therefore, the washing machine of this embodiment has a simple structure, and can greatly reduce the washing water consumption of the washing machine without filling washing/rinsing water between the inner tub and the outer tub, and avoid the possibility of dirt adhesion between the inner tub and the outer tub. , Which greatly improves user health and user experience, and greatly saves water resources.
  • the drum washing machine of this embodiment has a housing 18, which includes: an upper panel, a front panel, a back panel, and a bottom plate. A foot is installed and fixed on the bottom plate to support the entire washing machine.
  • the inner cylinder of the housing 18 rotates, and it is preferable to provide lifting ribs to continuously lift and drop the clothes, so as to wash the clothes.
  • the washing machine of this embodiment uses a position detection device to detect whether the inner drum door 6 is closed in place, and fundamentally eliminates the situation that the inner drum door 6 is not closed properly.
  • the washing machine of this embodiment includes an outer drum 2 arranged in the housing 18, and the inner drum 1 is rotatably arranged in the outer drum 2.
  • the casing 18 is provided with a clothing inlet corresponding to the opening of the outer tube 2, and an openable and closable door 19 is installed on the clothing inlet; the detection end is arranged on the outer tube 2 or the casing 18 or the door 19
  • the detection signal of the detected end on the inner cylinder door 6 is obtained.
  • the detected end of this embodiment is arranged at any position on the inner cylinder door 6.
  • the detection end of this embodiment can also be arranged on the outer cylinder 2 or the housing 18 or the door 19, as long as the detection of the detected end is realized.
  • the inner tube door 6 of the washing machine in this embodiment includes an inner tube door body, an inner tube door shaft 7 and an inner tube door lock, and the detected end is set in the inner tube door body or The inner cylinder door shaft 7 or the inner cylinder door is locked.
  • the side of the inner cylinder door 6 opposite to the inner cylinder door lock of the present embodiment is rotatably mounted on the cylinder mouth of the inner cylinder 1 through the inner cylinder door shaft 7.
  • the cylinder mouth of the inner cylinder is provided with a rotating shaft seat 8, and the inner cylinder door
  • the rotating shaft 7 is rotatably mounted on the rotating shaft seat 8.
  • the rotating shaft seat 8 includes a rotating shaft seat lining plate 9 installed on the mouth of the inner cylinder, and the rotating shaft seat lining plate 9 is provided with a rotating shaft seat lining plate mounting hole for assembly 10.
  • the detection end is a magnetic induction element
  • the sensed end is a permanent magnet element arranged on the shaft 7 of the inner cylinder door
  • the magnetic induction element When the 6 is closed in place, the magnetic signal of the permanent magnet element can be induced to generate an induction signal indicating that the inner cylinder door 6 is closed in place.
  • the inner tube door 6 can be closed in place only when the inner tube door shaft 7 is rotated in place. Therefore, in this embodiment, the permanent magnet element is arranged on the inner cylinder door shaft 7 to rotate synchronously with the inner cylinder door 7. When the detection end shell senses the magnetic signal of the permanent magnet element, it indicates that the inner cylinder door shaft 7 has rotated in place. The inner cylinder door 6 is closed in place.
  • the permanent magnet element is a magnet provided on the shaft 7 of the inner cylinder door
  • the magnetic induction element is a Hall sensor 3 provided on the outer cylinder 2 or the housing 18.
  • the Hall sensor 3 can sense the magnetic signal of the magnet when the inner cylinder door 6 is closed in place.
  • the detection end is a photoelectric sensor 20
  • the sensed end is a light reflector 21 provided on the inner cylinder door
  • the photoelectric sensor 20 is the inner cylinder.
  • the light reflector 21 described in this embodiment is provided on the inner cylinder door body, the photoelectric sensor 20 is provided on the side of the door 19 close to the inner cylinder door 6, and the photoelectric sensor 20 is connected to the light
  • the reflector 21 remains relatively arranged when both the machine door 19 and the inner cylinder door 6 are closed in place.
  • the photoelectric sensor 20 of this embodiment has a light emitting end and a light receiving end.
  • the light reflector 21 has a reflective surface that can reflect light.
  • the light emitting end of the photoelectric sensor 20 emits a light signal to the inner cylinder door 6.
  • the light signal emitted by the photoelectric sensor 20 can be irradiated on the light reflector 21.
  • the light signal is reflected by the light reflector 21 and received by the light receiving end of the photoelectric sensor 20, which means that the inner cylinder door 6 is closed in place. signal of.
  • the detection end is a magnetic induction element arranged on the door or housing, and the induced end is a permanent magnet element arranged on the inner cylinder door.
  • the magnetic induction element can induce the magnetic signal of the permanent magnet element to generate an induction signal that characterizes the inner cylinder door is closed in place. Since the magnetic induction element is an electrical element, it needs to be energized.
  • the magnetic induction element is arranged on the door or the casing, which is convenient for wiring layout on the one hand, and can prevent the water in the outer cylinder 2 or the inner cylinder 1 on the other hand. Contact is safer and more reliable.
  • the permanent magnet element is arranged on the inner cylinder door lock
  • the magnetic induction element is arranged on the inner wall of the housing and can sense the magnetic signal of the permanent magnet element when the inner cylinder door is closed in place.
  • the inner cylinder door lock includes a lock seat 5 installed on the inner cylinder door 6 and a lock tongue 4 installed on the cylinder mouth of the inner cylinder 1.
  • the permanent magnet element is arranged on the lock tongue 4 along with The lock tongue is linked, and the magnetic induction element can sense the magnetic signal of the permanent magnet element when the lock tongue is locked in the lock seat.
  • the lock base 5 is provided with a door lock trigger device that is linked with the bolt during the locking process of the inner cylinder door lock, the permanent magnet element is provided on the door lock trigger device, and the magnetic induction element is on the lock tongue.
  • the magnetic signal of the permanent magnet element on the door lock trigger device can be sensed.
  • the washing machine of this embodiment is provided with a door lock trigger device, which is linked with the bolt when the inner cylinder door lock is locked, and the door lock trigger device It can amplify the displacement of the bolt when the inner cylinder door lock is locked, making it easier to be detected by the magnetic induction element, ensuring the accuracy of the detection.
  • the door lock trigger device described in this embodiment includes a movable member 13 installed in the lock base 5 that can reciprocate and an elastic member disposed between the movable member 13 and the lock base 5. 15;
  • the movable part 13 is provided with a permanent magnet element 16 that can be detected by a magnetic induction element; the movable part 13 is linked with the bolt 4 during the locking process of the inner cylinder door lock, and the magnetic induction element detects that it enters the detection range After the permanent magnet element 16 generates a detection signal.
  • the movable part 13 of the door lock trigger device of this embodiment is linked with the lock tongue when the inner cylinder door lock is locked, and can enlarge the small displacement of the lock tongue, or extend the displacement occurrence position of the lock tongue to the detection of the position detection device Within the range, so as to achieve accurate detection of the lock state of the inner cylinder door lock.
  • the elastic member 15 of the door lock trigger device of this embodiment When the elastic member 15 of the door lock trigger device of this embodiment is locked in the inner cylinder door lock, the movable member and the bolt are linked to compress the elastic member 15, and the elastic member 15 is elastically deformed.
  • the elastic member 15 When the inner cylinder door lock is unlocked, the movable member does not After being resisted by the lock tongue 4, the elastic member 15 recovers its deformation and pushes the movable member 13 to reset, so as to perform the next locking process detection.
  • the lock seat 5 of this embodiment includes a seat body and a locking member arranged in the seat body.
  • One end of the elastic member 15 is fixed in the seat body, and the other end is connected to the movable member 13 and extends to the locking member.
  • the lock tongue 4 is locked in the locking member and is stopped on the movable member 13 to push its movement into the detection range of the position detection device.
  • the locking member in this embodiment has an opening, and at least part of the movable member 13 extends into the locking member from the opening under the action of the elastic member 15.
  • the washing machine of this embodiment includes a seat body lining plate 12 installed on the edge of the inner tub mouth, and the seat body lining plate 12 is provided with a seat body lining plate installation hole 11 for assembly.
  • the door lock trigger device described in this embodiment includes a limiting member 14 arranged on the movable member to prevent the movable member 13 from coming out of the lock seat.
  • the limiting member 14 is a limiting protrusion provided on the movable member 13, one end of the movable member 13 extends into the locking member from the opening, and the other end is restricted outside the opening by the limiting protrusion.
  • the permanent magnet element is a magnet provided on the inner cylinder door lock
  • the magnetic induction element is a reed sensor 22 provided on the housing.
  • the tube sensor 22 can sense the magnetic signal of the magnet when the inner cylinder door 6 is closed and locked.
  • the sensing distance range of the reed switch of this embodiment is L.
  • the inner cylinder door 6 of this embodiment is locked in place, and the lock tongue 4 is in place, so that the lock tongue 4 presses the movable part 13 and the magnet toward the outer cylinder wall, and the distance between the magnet and the reed tube is H. If the H ⁇ L or the H ⁇ L, the reed switch is sucked in, and the passage is passed, and it is determined that the door is locked in place.
  • the inner cylinder door 6 of this embodiment fails to be locked or opened, and the lock tongue 4 fails to be in place, so that the elastic member 15 presses the movable member 13 away from the outer cylinder wall to realize the magnet and the reed switch.
  • the distance is H+h, and the H+h>L, the dry reed switch is not closed and disconnected, and it is judged that the door has not been locked in place.
  • the inner cylinder door lock is linked with the bolt when the inner cylinder door lock is locked.
  • the door lock trigger device can amplify the displacement of the bolt when the inner cylinder door lock is locked. It is easier to be detected by the magnetic induction element to ensure the accuracy of the detection.
  • the door lock trigger device described in this embodiment includes a movable part 13 linked with the inner cylinder door lock, a permanent magnet element 16 detected by a magnetic induction element, and a transmission mechanism for drivingly connecting the movable part 13 and the permanent magnet element 16.
  • the permanent magnetic element 16 described above is out of the detection range of the magnetic induction element when the inner cylinder door lock is locked.
  • the transmission mechanism of this embodiment can have the function of amplifying the displacement of the movable part 13, and further amplify the displacement of the lock tongue on the permanent magnet element 16 to facilitate the induction detection of the magnetic induction element, which greatly reduces the cost and increases the detection accuracy.
  • the inner cylinder door lock described in this embodiment includes a lock tongue 4 installed on the inner cylinder door 6 and a lock seat installed on the cylinder mouth of the inner cylinder 1. 5;
  • the transmission mechanism is a lever mechanism, the lever mechanism includes a lever shaft 24 fixed in the lock base 5 and a lever 23 rotatable around the lever shaft 24, the movable part 13 and the permanent magnet element 16 are respectively arranged on the lever 23 power arm end and resistance arm end.
  • the resistance arm of the lever 23 is longer than the power arm.
  • the movable member 13 of the door lock trigger device of this embodiment is linked with the lock tongue when the inner cylinder door lock is locked, and can amplify the small displacement of the lock tongue, thereby realizing accurate detection of the locked state of the inner cylinder door lock.
  • the lever mechanism of this embodiment can further amplify the displacement of the bolt transmitted to the movable part 13 and further improve the detection accuracy of the magnetic induction element.
  • the door lock trigger device of this embodiment includes an elastic member for returning the sensing member to the detection range of the position detection device.
  • the elastic member 15 is a torsion spring installed on the lever shaft 24, and the two ends of the torsion spring are respectively stopped against the power arm and the resistance arm of the lever 23.
  • the elastic member 15 is a compression spring arranged between the movable member 13 and the lock base 5.
  • the elastic member 15 is a tension spring arranged between the permanent magnet element 16 and the lock base 5.
  • the sensing distance range of the reed switch sensor of this embodiment is L.
  • the distance between the lever shaft 24 and the movable member 13 is L1
  • the distance between the lever shaft 24 and the magnet is L2.
  • L2 is greater than or equal to L1
  • L2 is greater than L1.
  • the drive motor of the drum washing machine of this embodiment drives the inner tub to rotate through the inner tub shaft and the inner tub transmission connection, and the inner tub shaft has a communicating inner tub inside.
  • the said water inlet pipeline is connected with the hollow channel of the inner cylinder shaft.
  • the drum washing machine of this embodiment includes an inner tub 1, which is a non-porous inner tub, which contains washing water when washing clothes, and also includes air pressure for communicating the inner tub 1 with the external environment to balance the air pressure inside the tub Balance mechanism.
  • the pressure of the air in the sealed compartment of the inner cylinder can overflow through the equalizing mechanism to ensure the air pressure balance.
  • the air pressure balance mechanism can also ensure the air pressure balance of the inner cylinder.
  • the air pressure balance mechanism includes a pressure equalization channel provided on the inner cylinder 8. Position and always higher than the highest water level in the inner cylinder 1.
  • the pressure equalization channel is opened on the inner cylinder shaft to connect the inside of the inner cylinder 1 with the external environment, and the highest water level in the inner cylinder 1 is lower than the inner cylinder shaft. In this way, the water in the inner cylinder can be prevented from flowing out of the pressure equalizing channel.
  • the pressure equalization channel in this embodiment includes a first channel section and a second channel section.
  • the first channel section is arranged in parallel with the hollow channel, one end of which is connected to the inside of the inner cylinder, and one end of the second channel section is connected to the first channel section.
  • the other end extends to the outer peripheral wall of the inner cylinder shaft to communicate with the inside of the outer cylinder.
  • the second channel section is perpendicular to the first channel section to form an L-shaped pressure equalizing channel.
  • This embodiment provides a front-opening drum washing machine with an inner tub, and an inner tub door is provided on the inner tub to realize washing in the enclosed space of the inner tub, avoiding the possibility of clothes coming out of the inner tub, and the clothes being pressed and beaten causing the clothes to flow out of the inner tub or Splashing water avoids the possibility of dirt adhesion between the inner and outer cylinders, and truly realizes that there is no water between the barrels of the drum.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

一种洗衣机，包括：壳体（18）；内筒（1），可转动的设置在壳体（18）内部；内筒门（6），可开闭的安装在所述内筒（1）的筒口，用于封闭筒口使得内筒（1）内部形成可独立盛放洗涤水的洗涤腔室；以及位置检测装置，包括设置在内筒门（6）上的被检测端/检测端和固定在壳体（18）内的检测端/被检测端，通过检测端获取被检测端的检测信号用于判断内筒门（6）是否关闭到位。洗衣机通过采用位置检测装置对内筒门（6）关闭是否到位进行检测，从根本上杜绝内筒门关闭不到位的情况。

Description

一种洗衣机 技术领域
本发明涉及洗衣设备技术领域，具体地，涉及一种洗衣机。
背景技术
洗衣机作为人们日常生活中使用最为广泛的一种家用电器，帮助人们摆脱了洗衣的烦恼，给人们带来了极大的便利。但是现有洗衣机一般都包括内筒和外筒，内筒的桶壁上分布多个脱水孔，而在洗涤过程中，内筒与外筒之间的洗涤水不会被利用，造成该部分洗涤水的浪费，且洗涤过程中产生的脏污会随着水流进入内筒与外筒之间而被积累，随着长时间的使用，脏污的累积会影响洗涤效果，降低用户使用体验。
为了解决上述问题，现有一种具有无孔内筒的滚筒洗衣机，无孔内筒的筒口安装可开启/关闭的内筒门，从而形成可独立盛放洗涤水的内部腔室，这样在洗涤和漂洗过程中，洗涤水被盛放在内筒中，内筒与外筒之间无水，解决了内筒与外筒之间的脏污问题，同时节省了洗涤用水量。由具有无孔内筒的滚筒洗衣机的结构特点可知，在洗涤和漂洗过程中，保持内筒门的密封性是形成可独立盛放洗涤水的内筒内部腔室的关键，而且，在内筒高速转动的脱水过程中，若内筒门未锁定或者锁定不到位，将会导致严重的安全事故。因此，内筒门的关闭到位检测是具有无孔内筒的滚筒洗衣机能否正常运行的关键。
申请人了解到，本行业有专利申请针对这一问题给出了相应的解决方案，例如在外筒或者壳体上设置用于检测内筒门是否关闭到位位置检测装置。具体地，在内筒门上设置磁铁，在外筒上设置干簧管，当内筒门关闭到位时，干簧管受到内筒门上的磁铁的作用闭合产生内筒门闭合信号。该方案从原理上看似乎可行，但实际是会存在很多的问题的，比如干簧管的检测精度较低，而内筒门锁定和解锁的两个状态的内筒门位移差较小，干簧管和电磁铁的规格型号的选择、位置的设置均比较复杂，且会存在有内筒门关闭但却未锁定的状态很难被干黄管监测到，存有安全隐患。
因此，本申请旨在解决无孔内筒的内筒门锁定是否到位的问题。
有鉴于此，特提出本发明。
发明内容
为了解决上述问题，本发明的发明目的是提供一种洗衣机，具体地，采用了如下的技术方案：
一种洗衣机，包括：
壳体；
内筒，可转动的设置在壳体内部；
内筒门，可开闭的安装在所述内筒的筒口，用于封闭筒口使得内筒内部形成可独立盛放洗涤水的洗涤腔室；
以及位置检测装置，包括设置在内筒门上的被检测端/检测端和固定在壳体内的检测端/被检测端，通过检测端获取被检测端的检测信号用于判断内筒门是否关闭到位。
进一步地，还包括设置在壳体内的外筒，所述的内筒可转动的设置在外筒内，所述壳体上对应外筒的筒口开设衣物投放口，所述的衣物投放口上安装可开闭的机门；
所述的检测端设置在外筒或者壳体或者机门上且能获取内筒门上被检测端的检测信号。
进一步地，所述的内筒门包括内筒门体、内筒门转轴和内筒门锁，所述的被检测端设置在内筒门体或者内筒门转轴或者内筒门锁上。
进一步地，所述的检测端为光电传感器，所述的被感应端为设置在内筒门上的光线反射体，所述的光电传感器在内筒门关闭到位时可获取由光线反射体反射的反射光线。
进一步地，所述的光线反射体设置在内筒门体上，所述的光电传感器设置在机门上靠近内筒门的一侧，所述的光电传感器与光线反射体在机门和内筒门都关闭到位时保持相对设置。
进一步地，所述的检测端为磁感应元件，所述的被感应端为设置在内筒门转轴上的永磁元件，所述的磁感应元件在内筒门关闭到位时可感应永磁元件的磁信号而产生表征内筒门关闭到位的感应信号。
进一步地，所述的永磁元件为设置在内筒门转轴上的磁铁，所述的磁感应元件为设置在外筒或者壳体上的霍尔传感器，所述的霍尔传感器在内筒门关闭到位时可感应磁铁的磁信号。
进一步地，所述的检测端为设置在机门或者壳体上的磁感应元件，所述的被感应端 为设置在内筒门上的永磁元件，所述的磁感应元件在内筒门关闭到位时可感应永磁元件的磁信号而产生表征内筒门关闭到位的感应信号。
进一步地，所述的永磁元件设置在内筒门锁上，所述的磁感应元件设置在壳体的内壁上且在内筒门关闭到位时可感应永磁元件的磁信号；
优选地，所述的内筒门锁包括安装在内筒门上的锁座和安装在内筒的筒口上的锁舌：
所述的永磁元件设置在锁舌上随着锁舌联动，所述的磁感应元件在锁舌锁定在锁座内时可感应永磁元件的磁信号；
或者，所述的锁座内设置在内筒门锁锁定过程中与锁舌联动的门锁触发装置，所述的永磁元件设置在门锁触发装置上，所述的磁感应元件在锁舌锁定在锁座内时可感应门锁触发装置上永磁元件的磁信号。
进一步地，所述的永磁元件为设置在内筒门锁上的磁铁，所述的磁感应元件为设置在壳体上的干簧管传感器，所述的干簧管传感器在内筒门关闭锁定时可感应磁铁的磁信号。
本发明提供一种内筒前开式滚筒洗衣机，内筒上设置内筒门，实现内筒封闭空间洗涤，避免内筒的衣物出来的可能，及衣物受压及摔打导致由内筒流出或者飞溅出水，避免了内、外筒之间污垢附着的可能，真正实现了滚筒的桶间无水。
由具有无孔内筒的滚筒洗衣机的结构特点可知，在洗涤和漂洗过程中，保持内筒门的密封性是形成可独立盛放洗涤水的内筒内部腔室的关键，而且，在内筒高速转动的脱水过程中，若内筒门未锁定或者锁定不到位，将会导致严重的安全事故。本发明的洗衣机通过采用位置检测装置对内筒门关闭是否到位进行检测，从根本上杜绝内筒门关闭不到位的情况。
附图说明
图1本发明实施例一洗衣机的结构示意图；
图2本发明实施例二洗衣机的结构示意图；
图3本发明实施例三洗衣机的结构示意图；
图4本发明实施例三洗衣机的内筒结构示意图；
图5本发明实施例三洗衣机的图4中的局部放大图(内筒门锁定到位状态)；
图6本发明实施例三洗衣机的图4中的局部放大图(内筒门锁定不到位/未锁定状 态)；
图7本发明实施例四洗衣机的图4中的局部放大图(内筒门锁定到位状态)；
图8本发明实施例四洗衣机的图4中的局部放大图(内筒门锁定不到位/未锁定状态)。
具体实施方式
下面结合附图对本发明的一种洗衣机进行详细描述：
如图1至图8所示，本实施例的一种洗衣机，包括：
壳体18；
内筒1，设置在壳体18内部；
内筒门6，可开闭的安装在所述内筒1的筒口，与内筒1形成可独立盛放洗涤水的洗涤腔室；
以及位置检测装置，包括设置在内筒门6上的被检测端/检测端和固定在壳体18内的检测端/被检测端，通过检测端获取被检测端的检测信号用于判断内筒门6是否关闭到位。
本实施例的洗衣机在内筒门6上设置被检测端，在壳体18内固定检测端，或者，在内筒门6上设置检测端，在壳体18内固定被检测端，其中，当检测端设置在内筒门6上时，需解决检测端供电及信号传输的问题，可采用无线供电或者电池供电，无线通讯的方式。
本实施例公开一种无孔内筒前开式结构的滚筒洗衣机，内筒1是无孔结构的，与内筒1紧固连接的内筒轴穿过所示轴承并连接驱动电机。内筒1前部筒口上安装可开启/闭合的内筒门6，进而实现内筒1具有独立盛放洗涤水的洗涤腔室。因此，本实施例的洗衣机结构简单，能够无需在内筒与外筒之间填充洗涤/漂洗水而极大的减少了洗衣机的洗涤用水量，避免了内筒与外筒之间污垢附着的可能，极大的提高了用户健康及用户体验，极大的节约了水资源。
本实施例的滚筒洗衣机具有壳体18，壳体18包括：上台面板，前面板，后背板和底板。底板上安装固定了底脚，用于支撑整个洗衣机。壳体18内部内筒旋转，优选的是设置了提升筋，不断的提升跌落摔打衣物，以便洗净衣物。
由具有无孔内筒的滚筒洗衣机的结构特点可知，在洗涤和漂洗过程中，保持内筒门 6的密封性是形成可独立盛放洗涤水的内筒内部腔室的关键，而且，在内筒1高速转动的脱水过程中，若内筒门6未锁定或者锁定不到位，将会导致严重的安全事故。本实施例的洗衣机通过采用位置检测装置对内筒门6关闭是否到位进行检测，从根本上杜绝内筒门6关闭不到位的情况。
为了实现位置检测装置对内筒门6的关闭到位的检测，本实施例的洗衣机包括设置在壳体18内的外筒2，所述的内筒1可转动的设置在外筒2内，所述壳体18上对应外筒2的筒口开设衣物投放口，所述的衣物投放口上安装可开闭的机门19；所述的检测端设置在外筒2或者壳体18或者机门19上且能获取内筒门6上被检测端的检测信号。本实施例的被检测端设置在内筒门6上的任意位置，本实施例的检测端也可设置在外筒2或者壳体18或者机门19上，只要实现对被检测端的检测即可。
作为本实施例的一种实施方式，本实施例的洗衣机的内筒门6包括内筒门体、内筒门转轴7和内筒门锁，所述的被检测端设置在内筒门体或者内筒门转轴7或者内筒门锁上。
本实施例的内筒门6与内筒门锁相对的一侧通过内筒门转轴7可转动的安装在内筒1的筒口上，所述内筒的筒口上设置转轴座8，内筒门转轴7可转动的安装在转轴座8上，所述的转轴座8包括安装在内筒的筒口上的转轴座衬板9，转轴座衬板9上开设用于装配的转轴座衬板安装孔10。
实施例一
如图1所示，本实施例的洗衣机，所述的检测端为磁感应元件，所述的被感应端为设置在内筒门转轴7上的永磁元件，所述的磁感应元件在内筒门6关闭到位时可感应永磁元件的磁信号而产生表征内筒门6关闭到位的感应信号。
本实施例根据内筒门6关闭时内筒门转轴7的位置特点，只有内筒门转轴7转动到位了，内筒门6才能关闭到位。因此，本实施例将永磁元件设置在内筒门转轴7上随着内筒门7同步转动，当检测端壳感应到永磁元件的磁信号时，即表明内筒门转轴7转动到位，内筒门6关闭到位。
作为本实施例的一种实施方式，所述的永磁元件为设置在内筒门转轴7上的磁铁，所述的磁感应元件为设置在外筒2或者壳体18上的霍尔传感器3，所述的霍尔传感器3在内筒门6关闭到位时可感应磁铁的磁信号。
实施例二
如图2所示，本实施例的洗衣机，所述的检测端为光电传感器20，所述的被感应端为设置在内筒门上的光线反射体21，所述的光电传感器20在内筒门6关闭到位时可获取由光线反射体21反射的反射光线。
进一步地，本实施例所述的光线反射体21设置在内筒门体上，所述的光电传感器20设置在机门19上靠近内筒门6的一侧，所述的光电传感器20与光线反射体21在机门19和内筒门6都关闭到位时保持相对设置。
本实施例的光电传感器20具有光线发射端和光线接收端，所述的光线反射体21具有可反射光线的反射面，光电传感器20的光线发射端向内筒门6发射光线信号，当内筒门6关闭到位时，光电传感器20发射的光线信号才能照射在光线反射体21上，光线信号经光线反射体21反射后被光电传感器20的光线接收端接收，即获取到了内筒门6关闭到位的信号。
实施例三
如图3至图6所示，本实施例的洗衣机，所述的检测端为设置在机门或者壳体上的磁感应元件，所述的被感应端为设置在内筒门上的永磁元件，所述的磁感应元件在内筒门关闭到位时可感应永磁元件的磁信号而产生表征内筒门关闭到位的感应信号。由于磁感应元件为电性元件，需要进行通电，本实施将磁感应元件设置在机门或者壳体上，一方面便于进行线路布置，另一方面可杜绝与外筒2或者内筒1内部的水的接触，更加安全可靠。
进一步地，所述的永磁元件设置在内筒门锁上，所述的磁感应元件设置在壳体的内壁上且在内筒门关闭到位时可感应永磁元件的磁信号。
优选地，所述的内筒门锁包括安装在内筒门6上的锁座5和安装在内筒1的筒口上的锁舌4：所述的永磁元件设置在锁舌4上随着锁舌联动，所述的磁感应元件在锁舌锁定在锁座内时可感应永磁元件的磁信号。
或者，所述的锁座5内设置在内筒门锁锁定过程中与锁舌联动的门锁触发装置，所述的永磁元件设置在门锁触发装置上，所述的磁感应元件在锁舌锁定在锁座内时可感应门锁触发装置上永磁元件的磁信号。
由于内筒门锁定和解锁的两个状态的锁舌4发生的位移差较小，因此要想准确的检测到锁舌4的动作，对于磁感应元件的检测精度要求较高，但这必定将会增加磁感应元件的成本，本实施例的洗衣机为了尽量降低磁感应元件的成本且保证检测精度的前提 下，通过设置门锁触发装置，在内筒门锁锁定时与锁舌发生联动，门锁触发装置可将内筒门锁锁定时锁舌的位移放大，更易被磁感应元件检测到，确保检测的准确性。
作为本实施例的一种实施方式，本实施例所述的门锁触发装置包括可往复运动的安装在锁座5内的活动件13和设置在活动件13与锁座5之间的弹性件15；所述的活动件13上设置可被磁感应元件检测的永磁元件16；所述的活动件13在内筒门锁锁定过程中与锁舌4联动，磁感应元件检测到进入的检测范围内的永磁元件16后产生检测信号。
本实施例门锁触发装置的活动件13在内筒门锁锁定时随着锁舌联动，可将锁舌较小的位移进行放大，或者将锁舌的位移发生位置延长至位置检测装置的检测范围内，从而实现对内筒门锁锁定状态时的准确检测。
本实施例门锁触发装置的弹性件15在内筒门锁锁定过程中，活动件与锁舌联动压缩弹性件15，弹性件15发生弹性变形，当内筒门锁解除锁定时，活动件不再受到锁舌4的止抵，弹性件15恢复形变推动活动件13复位，以进行下一次锁定过程的检测。
进一步地，本实施例的所述的锁座5包括座体和设置在座体内的锁定件，所述的弹性件15一端固定在座体内，另一端连接活动件13延伸至锁定件处，所述的锁舌4锁定在锁定件内止抵在活动件13上推动其运动进入位置检测装置的检测范围内。
本实施例所述的锁定件上开设开口，所述活动件13的至少部分在弹性件15的作用下由开口伸入锁定件内。
本实施例的洗衣机包括安装在内筒口边缘上的座体衬板12，座体衬板12上开设用于装配的座体衬板安装孔11。
本实施例所述的门锁触发装置包括设置在活动件上用于防止活动件13由锁座内脱出的限位件14。
优选地，所述的限位件14为设置在活动件13上的限位凸起，所述活动件13的一端由开口伸入锁定件内，另一端被限位凸起限制在开口外部。
作为本实施例的一种实施方式，所述的永磁元件为设置在内筒门锁上的磁铁，所述的磁感应元件为设置在壳体上的干簧管传感器22，所述的干簧管传感器22在内筒门6关闭锁定时可感应磁铁的磁信号。
本实施例的干簧管的感应距离范围为L。
如图5所示，本实施例的内筒门6锁定到位，锁舌4到位，实现锁舌4将活动件13及磁铁压向外筒壁方向，实现磁铁与干簧管的距离为H，所述H≤L或者所述H＜L， 干簧管被吸合，通路，判定门体锁定到位。
如图6所示，本实施例的内筒门6未能锁定到位或者打开，锁舌4未能到位，实现弹性件15将活动件13压向远离外筒壁方向，实现磁铁与干簧管的距离为H+h，所述H+h＞L，干簧管未吸合，断路，判定门体未能锁定到位。
实施例四
如图7至图8所示，本实施例通过设置门锁触发装置，在内筒门锁锁定时与锁舌发生联动，门锁触发装置可将内筒门锁锁定时锁舌的位移放大，更易被磁感应元件检测到，确保检测的准确性。
进一步地，本实施例所述的门锁触发装置包括与内筒门锁联动的活动件13、被磁感应元件检测的永磁元件16以及传动连接活动件13和永磁元件16的传动机构，所述的永磁元件16在内筒门锁锁定时脱离磁感应元件的检测范围。
本实施例的传动机构可以具有放大活动件13位移的作用，进一步将锁舌的位移在永磁元件16上进行放大以便于磁感应元件进行感应检测，极大的降低成本增加检测准确性。
为了实现门锁触发装置将内筒门锁的锁定位移放大，本实施例所述的内筒门锁包括安装在内筒门6上的锁舌4和安装在内筒1的筒口上的锁座5；所述的传动机构为杠杆机构，杠杆机构包括固定在锁座5内的杠杆轴24和绕杠杆轴24可转动的杠杆23，所述的活动件13和永磁元件16分别设置在杠杆23的动力臂端和阻力臂端。
优选地，所述杠杆23的阻力臂长于动力臂。
本实施例门锁触发装置的活动件13在内筒门锁锁定时随着锁舌联动，可将锁舌较小的位移进行放大，从而实现对内筒门锁锁定状态时的准确检测。
本实施例的杠杆机构可以将锁舌传递给活动件13的位移进一步放大，进一步提升磁感应元件的检测准确性。进一步地，本实施例所述的门锁触发装置包括用于感应件回位至位置检测装置的检测范围内的弹性件。本实施例门锁触发装置的弹性件15在内筒门锁锁定过程中，活动件与锁舌联动压缩弹性件15，弹性件15发生弹性变形，当内筒门锁解除锁定时，活动件不再受到锁舌17的止抵，弹性件15恢复形变推动活动件13复位，以进行下一次锁定过程的检测。
作为本实施例的一种实施方式，所述的弹性件15为安装在杠杆轴24上的扭簧，扭簧的两端分别止抵在杠杆23的动力臂和阻力臂上。
或者，所述的弹性件15为设置在活动件13与锁座5之间的压缩弹簧。
或者，所述的弹性件15为设置在永磁元件16与锁座5之间的拉伸弹簧。
本实施例的干簧管传感器的感应距离范围为L。
本实施例杠杆转轴24距离活动件13的距离L1，杠杆转轴24距离磁铁的距离L2。优选的是L2大于等于L1，优选的是L2大于L1。此处杠杆机构的作用是放大器，实现将锁舌4推动活动件13的距离h放大为(L2/L1)*h。举例，当锁舌4推动活动件13的距离h是5mm，(L2/L1)＝2，那么磁铁的运动量为10mm，位置检测装置可以更加精准的判定是否锁定到位。
实施例五
为了实现向本实施例的无孔内筒内进水，本实施例的滚筒洗衣机的驱动电机通过内筒轴与内筒传动连接带动内筒转动，所述的内筒轴内具有连通内筒内部的中空通道，所述的进水管路与内筒轴的中空通道相连通。
本实施例的一种滚筒洗衣机，包括内筒1，内筒1为无孔内筒，洗涤衣物时盛放洗涤水，还包括用于连通内筒1与外界环境以平衡内筒内部气压的气压平衡机构。
进水时，内筒的密封舱内的气体受压可以通过该均平衡机构溢出，保证气压平衡。
突然断水时，外部大气可以迅速进入内筒的密封舱，并破坏倒吸，保证气压平衡，避免洗涤水被吸入自来水管网。
其他比如脱水时，该气压平衡机构也可以保证内筒气压平衡。
作为本实施例的一种实施方式，所述的气压平衡机构包括设置在内筒8上的均压孔道，所述均压孔道连通内筒1内部的一端设置在内筒1上靠近旋转中心轴位置处且始终高于内筒1内的最高水位位置。
具体地，所述的均压孔道开设在内筒轴上连通内筒1内部与外界环境，所述内筒1内的最高水位低于内筒轴。这样可以防止内筒内的水由均压孔道流出。
本实施例所述均压孔道包括第一孔道段和第二孔道段，第一孔道段与中空通道相平行设置，其一端连通内筒内部，第二孔道段的一端与第一孔道段相连通，另一端延伸至内筒轴的外周壁上与外筒的内部相通。优选地，所述的第二孔道段与第一孔道段相垂直设置形成L型的均压孔道。
本实施例提供一种内筒前开式滚筒洗衣机，内筒上设置内筒门，实现内筒封闭空间洗涤，避免内筒的衣物出来的可能，及衣物受压及摔打导致由内筒流出或者飞溅出水， 避免了内、外筒之间污垢附着的可能，真正实现了滚筒的桶间无水。
以上所述仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专利的技术人员在不脱离本发明技术方案范围内，当可利用上述提示的技术内容作出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明方案的范围内。

Claims (10)

  1. 一种洗衣机，其特征在于，包括：
    壳体；
    内筒，可转动的设置在壳体内部；
    内筒门，可开闭的安装在所述内筒的筒口，用于封闭筒口使得内筒内部形成可独立盛放洗涤水的洗涤腔室；
    以及位置检测装置，包括设置在内筒门上的被检测端/检测端和固定在壳体内的检测端/被检测端，通过检测端获取被检测端的检测信号用于判断内筒门是否关闭到位。
  2. 根据权利要求1所述的洗衣机，其特征在于，还包括设置在壳体内的外筒，所述的内筒可转动的设置在外筒内，所述壳体上对应外筒的筒口开设衣物投放口，所述的衣物投放口上安装可开闭的机门；
    所述的检测端设置在外筒或者壳体或者机门上且能获取内筒门上被检测端的检测信号。
  3. 根据权利要求2所述的洗衣机，其特征在于，所述的内筒门包括内筒门体、内筒门转轴和内筒门锁，所述的被检测端设置在内筒门体或者内筒门转轴或者内筒门锁上。
  4. 根据权利要求1-3任意一项所述的洗衣机，其特征在于，所述的检测端为光电传感器，所述的被感应端为设置在内筒门上的光线反射体，所述的光电传感器在内筒门关闭到位时可获取由光线反射体反射的反射光线。
  5. 根据权利要求4所述的洗衣机，其特征在于，所述的光线反射体设置在内筒门体上，所述的光电传感器设置在机门上靠近内筒门的一侧，所述的光电传感器与光线反射体在机门和内筒门都关闭到位时保持相对设置。
  6. 根据权利要求1-3任意一项所述的洗衣机，其特征在于，所述的检测端为磁感应元件，所述的被感应端为设置在内筒门转轴上的永磁元件，所述的磁感应元件在内筒门关闭到位时可感应永磁元件的磁信号而产生表征内筒门关闭到位的感应信号。
  7. 根据权利要求7所述的洗衣机，其特征在于，所述的永磁元件为设置在内筒门转轴上的磁铁，所述的磁感应元件为设置在外筒或者壳体上的霍尔传感器，所述的霍尔传感器在内筒门关闭到位时可感应磁铁的磁信号。
  8. 根据权利要求1-3任意一项所述的洗衣机，其特征在于，所述的检测端为设置 在机门或者壳体上的磁感应元件，所述的被感应端为设置在内筒门上的永磁元件，所述的磁感应元件在内筒门关闭到位时可感应永磁元件的磁信号而产生表征内筒门关闭到位的感应信号。
  9. 根据权利要求8所述的洗衣机，其特征在于，所述的永磁元件设置在内筒门锁上，所述的磁感应元件设置在壳体的内壁上且在内筒门关闭到位时可感应永磁元件的磁信号；
    优选地，所述的内筒门锁包括安装在内筒门上的锁座和安装在内筒的筒口上的锁舌：
    所述的永磁元件设置在锁舌上随着锁舌联动，所述的磁感应元件在锁舌锁定在锁座内时可感应永磁元件的磁信号；
    或者，所述的锁座内设置在内筒门锁锁定过程中与锁舌联动的门锁触发装置，所述的永磁元件设置在门锁触发装置上，所述的磁感应元件在锁舌锁定在锁座内时可感应门锁触发装置上永磁元件的磁信号。
  10. 根据权利要求8所述的洗衣机，其特征在于，所述的永磁元件为设置在内筒门锁上的磁铁，所述的磁感应元件为设置在壳体上的干簧管传感器，所述的干簧管传感器在内筒门关闭锁定时可感应磁铁的磁信号。
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