WO2017036276A1 - 一种节水洗衣机的控制方法及洗衣机 - Google Patents

一种节水洗衣机的控制方法及洗衣机 Download PDF

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Publication number
WO2017036276A1
WO2017036276A1 PCT/CN2016/094136 CN2016094136W WO2017036276A1 WO 2017036276 A1 WO2017036276 A1 WO 2017036276A1 CN 2016094136 W CN2016094136 W CN 2016094136W WO 2017036276 A1 WO2017036276 A1 WO 2017036276A1
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WO
WIPO (PCT)
Prior art keywords
locking
lock
main control
control board
washing machine
Prior art date
Application number
PCT/CN2016/094136
Other languages
English (en)
French (fr)
Inventor
吕佩师
杨林
徐杰
方大丰
王玲臣
Original Assignee
青岛海尔洗衣机有限公司
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 青岛海尔洗衣机有限公司 filed Critical 青岛海尔洗衣机有限公司
Priority to US15/755,606 priority Critical patent/US11060225B2/en
Priority to KR1020187008986A priority patent/KR102071956B1/ko
Priority to JP2018510911A priority patent/JP2018528821A/ja
Priority to EP16840705.4A priority patent/EP3346043B1/en
Publication of WO2017036276A1 publication Critical patent/WO2017036276A1/zh

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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
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/04—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a vertical axis
    • 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 
    • 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 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/36—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of washing
    • 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 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/42—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of draining
    • 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
    • D06F34/08—Control circuits or arrangements thereof
    • 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
    • D06F37/26—Casings; Tubs
    • D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups
    • 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
    • D06F37/30—Driving arrangements 
    • D06F37/302—Automatic drum positioning
    • 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
    • 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 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/081—Safety arrangements for preventing water damage
    • 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 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements
    • 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 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/087—Water level measuring or regulating devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the invention relates to the field of washing machines, in particular to a control method of a water-saving washing machine and a washing machine.
  • the existing pulsator type washing machine has a water-permeable hole on the inner barrel, and the inner and outer barrels communicate with each other.
  • the inner barrel is a washing tub
  • the outer tub is a water tub
  • the water filled between the inner tub and the outer side wall of the outer tub does not participate in washing.
  • the water involved in the washing is only the part of the inner tub, which makes the water waste a lot.
  • too much water between the inner and outer barrels also reduces the concentration of the detergent/washing powder in the washing liquid.
  • the area between the inner and outer side walls of the outer tub becomes a space for dirt and dirt, and the scale and washing powder in the tap water are free.
  • the cellulose of the objects, clothing, the organic matter of the human body, and the dust and bacteria brought in by the clothes are easily retained between the inner tub and the side wall of the outer tub. These molds are a large amount of dirt accumulated in the washing machine for a long time, and can not be effectively removed and propagated. If the dirt that cannot be seen by these users is not removed, the bacteria will adhere to the clothes after the next washing. Brought to the human body, causing cross-infection problems.
  • the Chinese patent application number CN200420107890.8 relates to a fully automatic washing machine, which mainly comprises a box body, a washing and dewatering bucket, a water tank and a driving device.
  • the water tank is installed outside the washing and dewatering barrel and fixedly connected with the box body, and the inner wall of the water tank a sealing device is arranged between the bottom surface and the bottom surface of the outer wall of the washing and dewatering bucket, and a sealing cavity is formed in the sealing device;
  • the outer side wall of the washing and dewatering bucket has no through hole, and the bottom is provided with a water outlet connected to the sealing cavity; the water tank is opened
  • a drain port that communicates with the drain pipe, and a drain valve is provided on the drain pipe.
  • the water tank is fixedly connected to the box body by a boom, one end of the boom is connected with the inner wall of the upper end of the box body, and the other end is connected with the outer wall of the water tank.
  • the sealing structure wears and wears for a long time, it is easy to cause wear and water leakage. If the water quality is poor, the sediment concentration is high, the service life will be greatly shortened, and the function should not be performed. It is also not suitable for use in a state where the washing capacity is large, and the reliability is poor.
  • the present invention has been made in view of this.
  • the object of the present invention is to overcome the deficiencies of the prior art and to provide a control method for a water-saving washing machine and a washing machine.
  • a control method for a water-saving washing machine a lock hole and a drain port are arranged at the bottom of the inner tub of the washing machine, and a lock mechanism and a drainage control mechanism are disposed at the bottom of the outer tub of the washing machine.
  • Step 1 Enter the washing/rinsing program, the main control board controls the locking mechanism to cooperate with the locking hole to lock the inner barrel, the drainage control mechanism blocks the drainage port, and the washing machine enters the inner bucket to set the water level or the amount of water, starts washing, and washes the inner barrel. No water between the outer barrels;
  • Step 2 After the washing/rinsing is completed, the draining program is entered, and the main control panel controls the drainage control mechanism to open the drain port, and the water in the inner tub is discharged through the drain port;
  • Step 3 After the drainage is completed, the dehydration process is entered, and the main control board controls the locking mechanism to release the inner tub, and drives the inner tub to rotate. Dehydration.
  • the main control board issues an inner barrel locking command, and the driving inner barrel rotates so that the locking hole corresponds to the position of the locking lever, and the locking rod of the control locking mechanism extends into the locking hole, and the extension
  • the locking mechanism issues a lock-in signal to the main control board.
  • the main control board issues the inner barrel lock command and receives the lock in-position signal
  • the main control board issues a command to close the drain port, and the valve plug of the drain control mechanism extends out to block the drain port;
  • the main control board issues the inner barrel lock command
  • the lock-in signal sent by the lock mechanism is not received in the fixed time or the set number of detections, and the main control board controls the lock lever to retract and reset, and re-issues the inner barrel lock command.
  • the main control board When the main control board re-issues the number of times the inner barrel lock command is set, the lock-in signal sent by the lock mechanism is not received in the set time or the set number of detection times, and the main control board issues an alarm command to execute the alarm.
  • the main control board issues an instruction to open the drain valve, and the valve plug of the drainage control mechanism is retracted and reset, the drain port is opened, and drainage is started.
  • the main control board issues an instruction to release the inner barrel, and controls the locking rod to retract.
  • the locking mechanism issues an unlocking in-position command, and the main control board receives the unlocking in-position command and controls the inner barrel. Rotate dehydration.
  • the locking rod is a variable diameter cylinder, and the locking mechanism is provided with a position switch corresponding to the outer side of the locking rod.
  • the locking rod When the locking rod extends into the locking hole and the locking rod is retracted and reset, the locking rod is The different diameter parts correspond to the contacts of the position switch, respectively triggering the position switch to send a corresponding signal.
  • the small diameter portion of the locking rod corresponds to the position switch
  • the contact is released, and the position switch sends a lock in-position signal to the main control board.
  • the lock is locked.
  • the large diameter portion of the stopping rod corresponds to the contact of the position switch, the contact is compressed, the position switch sends an unlocking in-position signal to the main control board, or the locking rod extends into the locking hole and the large diameter portion of the locking rod
  • the contact is compressed, and the position switch sends a lock-in signal to the main control board.
  • the small diameter portion of the lock lever corresponds to the contact of the position switch, the contact is reset, and the position switch An unlock in-position signal is sent to the main control board.
  • step two and step three the main control board controls the drainage control mechanism to open the drain port or control the lock mechanism to release the inner tub from the lock hole.
  • the present invention also provides a washing machine having the above control method.
  • the locking mechanism of the present invention is provided with a position switch.
  • the triggering structure triggers the position switch, and the position switch issues a locking in-position signal, when the locking lever retracts out of the lock
  • the trigger structure triggers the position switch and issues an unlocking in-position signal, so that the main control panel of the washing machine controls the washing machine to proceed to the next step.
  • the position of the lock lever is accurately determined whether the lock lever is locked or unlocked in place, and the judgment is accurate and the structure is simple.
  • the locking mechanism of the present invention sets an idle stroke.
  • the locking mechanism receives the error signal
  • the locking lever extends, but does not protrude into the locking hole, and the locking rod is dead at the bottom of the inner barrel, and the rotating motor drives the crank.
  • the connecting rod moves in the empty stroke, when it is over
  • the motor continues to drive the lock lever to move down to the next working cycle. It will not cause damage to the motor or the bottom of the inner tub. Do not manually adjust or disassemble the washing machine for maintenance to avoid the malfunction of the washing machine. Avoid causing unnecessary trouble to the user.
  • the drainage control mechanism of the present invention sets an idle stroke.
  • the valve plug When the drainage control mechanism receives an error signal, the valve plug extends, but does not protrude into the drain port. At this time, the valve plug is pressed against the bottom of the inner tub, and the rotary motor drives the crank or the connecting rod. Moving in the idle stroke, when the highest point of the motor drive is over, the motor continues to drive the valve plug to move down and reset, and re-enter the next working cycle without causing damage to the motor or the bottom of the inner tub, and do not manually adjust or disassemble it.
  • the washing machine is repaired to avoid the malfunction of the washing machine and avoid unnecessary troubles for the user.
  • the control method of the present invention controls the operation sequence of the locking mechanism of the inner tub and the drainage control mechanism of the inner bucket drain port, realizes no-clean washing between the inner tub and the outer tub, and can realize normal dehydration, and the above control method is controlled accurately and smoothly. Ensure that the washing machine is water-saving.
  • FIG. 1 Structure diagram of the washing machine of the present invention
  • Figure 2 Stereo view of the locking mechanism of the present invention
  • Figure 3 Sectional view of the locking structure of the present invention
  • FIG. 4 Schematic diagram of the structure of the lock lever and position switch of the present invention
  • FIG. 5 Schematic diagram of the structure of the lock lever and position switch of the present invention
  • Figure 6 Structure diagram of the linkage mechanism of the locking mechanism of the present invention
  • Figure 7 is a perspective view of the drainage control mechanism of the present invention
  • Figure 8 Main view of the drainage control mechanism of the present invention
  • Figure 9 is a cross-sectional view of the drainage control mechanism of the present invention.
  • Figure 10 enlarged view of A of Figure 8.
  • Figure 11 enlarged view of A of Figure 8.
  • Figure 12 Partial structure diagram of the drainage control mechanism of the present invention
  • Figure 13 is a flow chart of the control method of the washing machine of the present invention
  • the washing machine of the present invention includes an inner tub 100 and an outer tub 200.
  • the inner tub 101 has no water leakage hole communicating with the outer tub
  • the inner tub bottom 102 is provided with a drain port 105
  • the inner tub body 101 is provided with a drain hole at the upper portion. 106.
  • the drain port 105 is closed, the water level is lower than the height of the drain hole 106, only water is in the inner tub 100, and there is no water between the inner tub 100 and the outer tub 200.
  • the drain port 105 is opened, most of which are opened. The water is drained from the drain port 105.
  • the inner tub 100 When dehydrating, the inner tub 100 rotates, and the water discharged from the laundry rises along the wall of the tub by the centrifugal force, and is discharged through the drain hole 106 in the upper portion of the inner tub to the inner and outer tubs, and then passes through the outer tub 200.
  • the outer tub drain is discharged, so that the washing water is only stored in the inner tub 100 during washing, and there is no washing water between the inner and outer tubs, thereby saving water, and the area between the inner tub and the side wall of the outer tub does not accumulate dirt, so that The outer tubs are cleaned to avoid bacterial growth; during the draining and/or dehydration process, the drains 105 are opened, and most of the water and sediment, particles and the like are discharged from the lower drain 105 into the outer tub, and the water in the clothes is In the barrel high speed Dehydrating rpm discharged from the drain hole 106 to the upper portion of the outer tub in the tub, the drain from the bottom of the outer tub, the washing machine drains directly discharged outside, and to achieve a rapid drainage drainage, sewage good effect.
  • the present invention is provided with a drainage control mechanism 400 for controlling the opening/closing of the drain port 105 at the bottom of the drain port 105.
  • the drain control mechanism 400 seals the drain port 105 during the water inlet and the washing, and controls the drain port 105 to be closed, and the drain control mechanism 400 for draining and dehydrating.
  • the control drain 105 is opened.
  • the drain control mechanism 400 is disposed at the bottom of the outer tub 200 and is fixed in the circumferential direction.
  • the drain port 105 is disposed on the inner tub 100. When the water is dehydrated, the inner tub rotates. When the drain port 105 needs the drain control mechanism 400 to close it, the positions of the two are not necessarily In the same position, the present invention adds a locking mechanism 300 at the bottom of the inner tub 100.
  • the locking mechanism 300 can first position the inner tub to the position of the drain port 105 corresponding to the drain control mechanism 400, and then lock the inner tub 100, and the drain control mechanism 400 The drain port 105 is blocked.
  • the lock mechanism 300 can also effectively prevent the inner tub 100 from rotating during water ingress and washing, and the drain control mechanism 200 that controls the drain port 105 at the bottom of the inner tub to open/close.
  • the bottom of the inner tub is provided with a locking hole 301.
  • the locking hole 301 is a blind hole and is not connected to the inner portion of the inner tub.
  • the locking mechanism 300 of the inner tub is installed at the bottom of the outer tub.
  • the locking mechanism 300 includes at least one telescopic locking lever. 302, the locking rod 302 is fixed in the circumferential direction. When washing and rinsing, the locking rod 302 moves upward and extends into the locking hole 301, and the inner tub 100 is locked and cannot be rotated. At this time, the drainage control mechanism 400 is blocked.
  • the drain port 105 has no water between the inner and outer barrels, and the inner tub 100 is locked to prevent the drain control mechanism 400 from failing.
  • the lock rod 302 moves downward and comes out of the lock hole 301, and the inner barrel rotates circumferentially to the inner clothes. Dehydration is carried out.
  • the lock lever 301 moves upward and extends into the lock hole 301, the inner tub 100 is locked, the drain control mechanism 400 seals the drain port 105, and the lock bar 302 is required when the inner tub 100 needs to rotate.
  • the inner barrel is circumferentially rotatable, and the locking rod 302 is moved downward to be flush with the inner bottom surface of the outer tub 200, without affecting The rotation of the inner tub 100.
  • the locking mechanism of the present invention comprises at least a locking rod 302 which is reciprocable in the axial direction, a sliding passage for the movement of the locking rod and a driving unit for driving the movement of the locking rod.
  • the lock lever 302 extends into the lock hole 301, the inner tub 100 is locked, the lock lever 302 comes out of the lock hole 301, and the inner tub 100 is unlocked.
  • the locking mechanism further includes a fixing base 303 of a locking rod 302.
  • the center of the fixing base 303 is provided with a slideway 304.
  • the locking rod 302 passes through the sliding passage 304, preferably the fixing base 303.
  • the center of the fixing base 303 is bent upward or downward to form the slide path 304.
  • the locking mechanism further includes a fixing shell 305.
  • the fixing shell 305 is mounted on the upper portion of the fixing base 303, and is fixedly connected to the fixing base 303.
  • the locking rod 302 and the slide rail 304 are disposed on the fixing shell 305.
  • a sealing structure is disposed between the fixed casing 305 and the locking rod 302.
  • the sealing structure is a telescopic structure, preferably a corrugated shaped sealing sleeve 307. One end of the sealing sleeve is sealingly connected with the locking rod, and the other end is sealingly connected with the fixing shell.
  • the upper part of the locking rod is provided with a boss 320.
  • the lower part of the boss 302 is provided with a second spring 321 .
  • One end of the second spring 321 is in contact with the lower surface of the boss, and the other end is fixed, and the locking rod 302 is downward.
  • the second spring 321 is compressed.
  • the other end of the second spring 321 is in contact with the fixing seat 303, and the restoring force of the second spring 321 drives the locking lever 302 to move upward.
  • the lock mechanism further includes a crank link structure, the lower end of the lock lever is coupled to a link of the crank link structure, and the crank is coupled to a rotary motor 324.
  • the rotary motor 324 is disposed in a housing 328.
  • the housing is provided with a mounting portion 329, and the mounting portion 329 is mounted at a lower end of the fixing base.
  • the center of the mounting portion is provided with a through hole through which the locking rod 302 passes.
  • the downward movement of the locking lever 302 is driven by the crank link structure, and the upward extension of the locking lever 302 is the recovery of the second spring 321 after the crank link structure releases the pulling force. Force driven.
  • the crank is an eccentric wheel 323, the eccentric shaft of the eccentric is hinged with the link, and the center of the eccentric is connected to a motor shaft of the rotating electrical machine.
  • the rotary motor rotates once for one cycle of the lock lever, and can be extended from the retracted state to the lock hole, and then retracted and reset.
  • the locking mechanism is disposed at the bottom of the outer tub of the washing machine, and a sealing structure is disposed between the locking mechanism and the outer tub.
  • the outer tub is provided with a first mounting hole 201 of a locking mechanism, the locking
  • the fixing base of the mechanism is installed at the bottom of the outer tub, and the fixing base 303 is fixed to the outer side of the bottom of the outer tub 200 by screwing or screwing.
  • the fixing shell of the locking mechanism is installed in the mounting hole, the fixing shell and the mounting hole.
  • a sealing structure is provided between them to ensure that the seal cannot be leaked, and the sealing structure is an elastic sealing ring.
  • the upper end of the first mounting hole 201 is bent inwardly to form a bend, and the lower end of the fixed shell is bent outward to form a bend, and the fixed shell 305 extends into the first mounting hole 201, and the upper end of the fixed shell 305 is abutted.
  • the upper end of the first mounting hole 201 is bent, and the end of the sealing sleeve disposed between the fixed housing and the locking rod is pressed against the upper end of the fixed housing 305 and the first mounting hole 201 Between the bending of the upper end, a seal is formed, and the lower end of the first mounting hole 201 abuts against the lower end of the fixed casing, and a sealing structure such as an elastic sealing ring is disposed therebetween.
  • the sealing structure between the fixing shell 305 and the locking rod 302 is a sealing sleeve 307 which can be expanded and contracted with the locking rod.
  • the first end 308 of the sealing sleeve 307 is sealingly connected with the fixing shell 305, preferably The first end of the sealing sleeve 307 is disposed between the upper end of the fixing shell 305 and the upper end of the first mounting hole 201.
  • the sealing sleeve has elasticity to form a seal
  • the second end 309 is sealingly connected with the locking rod 302, preferably through The nut is squeezed onto the boss of the locking bar 302 to form a seal so that water in the outer tub does not enter the fixed casing, the locking mechanism 300 is not damaged, and water leakage is not caused.
  • the sealing structure is a bellows-shaped sealing sleeve 307, which has a certain degree of flexibility, is not permeable to water, and can also achieve sealing.
  • the sealing sleeve is a sealing sleeve made of an elastic material, such as a rubber sleeve.
  • a third end 310 extends axially from the second end 309 of the sealing sleeve 307.
  • the third end 310 is sealingly connected to the lower end of the fixed housing 305.
  • the extended portion is expandable and contractible with the locking rod.
  • the sealing sleeve is preferably in the shape of a bellows.
  • the extended sealing sleeve increases the role of the secondary sealing. Even if there is a problem with the sealing above, the extended sealing sleeve can further seal the safety, improve safety and avoid water leakage.
  • the lower end of the fixed casing 305 forms a seal with the fixed seat pressing the third end 310.
  • the top end of the locking lever 302 is lower than or equal to the inner surface of the bottom of the tub.
  • the top end of the locking lever is equal to the inner surface of the bottom of the tub.
  • the locking hole 301 is disposed on the inner tub flange 103.
  • the inner bucket flange 103 has a smooth groove on each of the circumferential sides of the locking hole 301 to form a guide rail, or the rail is a separate structure, and the rail has a separate structure.
  • a smooth groove, the locking hole 301 is located in the middle of the groove.
  • the locking mechanism further includes a position switch 336.
  • the locking rod 302 is provided with a triggering structure of the position switch. When the locking rod 302 protrudes into the locking hole 301 and is locked in position, the trigger structure triggers the position switch, the position switch The 336 issues a lock in-position signal. When the lock lever retracts out of the lock hole and retracts and resets, the trigger structure triggers the position switch to issue an unlocked in-position signal, so that the main control panel of the washing machine controls the washing machine to proceed to the next step.
  • the position switch 336 is fixedly disposed on a slide rail outside the lock lever 302, and is fixedly disposed.
  • the trigger structure is disposed on the lock lever 302 and moves together with the lock lever 302.
  • the lock lever 302 is moved. Extending into and/or out of the locking hole 301, the triggering structure on the locking lever triggers the position switch to issue a locking rod into and/or out of the signal, and the position of the locking lever is applied to accurately determine whether the locking lever is locked in place Or unlock it in place, the judgment is accurate, and the structure is simple.
  • the position switch 336 is a contact switch, the contact of the contact switch faces the lock lever 302, and the side of the lock lever facing the contact includes at least two side faces different in vertical distance from the contact when the lock is locked.
  • One of the sides is in contact with the contact, and the trigger contact switch issues a lock-in signal.
  • the lock lever is retracted out of the lock hole and retracted and reset, the other end side is in contact with the contact, and the trigger contact switch is issued to unlock the in-position signal. So that the main control board of the washing machine controls the washing machine to proceed to the next step.
  • the junction of the two sides is an inclined transition surface. During the retraction of the locking rod, the contact is in contact with the inclined transition surface, and the inclined transition surface is arranged so that the contact between the two end sides and the contact contact is smoothly performed, thereby avoiding the locking of the locking lever.
  • the locking rod 302 is a cylinder, and may be a triangular prism or a polygonal prism, and includes at least a first locking portion 337 and a second locking portion 338.
  • the diameters of the first locking portion 337 and the second locking portion 338 are different.
  • the diameter of the first locking portion 337 is larger than the diameter of the second locking portion 338.
  • the second lock portion 338 contacts the contact, triggering the contact switch to issue an unlocked in-position signal, so that the main control of the washing machine The board controls the washing machine to proceed to the next step.
  • the locking lever 302 protrudes into the locking hole and locks into position
  • the second locking portion 338 contacts the contact, triggering the contact switch to issue a locking in-position signal
  • the first locking portion 337 is in contact with the contact, and the trigger contact switch issues an unlocking in-position signal, so that the main control panel of the washing machine controls the washing machine to proceed to the next step.
  • connection between the first locking portion and the second locking portion smoothly transitions.
  • the contact contacts the inclined transition surface, and the inclined transition surface is provided so that the locking portions with different diameters and the contact contact are smoothly switched to avoid jamming the locking lever.
  • the locking rod 302 is a cylinder, which is convenient for the cooperation with the locking hole, and is more likely to extend into the locking hole to lock the inner tub.
  • the upper portion of the locking lever is the first locking portion 337, and the locking is performed.
  • the lower part of the rod is a second locking portion 338.
  • the second locking portion contacts the contact, triggering the contact switch to issue a locking in-position signal when the locking rod is After retracting from the locking hole and retracting and resetting, the first locking portion contacts the contact, and the triggering contact switch emits an unlocking in-position signal.
  • the diameter of the first locking portion is larger than the diameter of the second locking portion, and the diameter changes. The smooth contact transitions through a bevel, the contacts being in contact with the inclined transition surface during the retraction of the locking bar.
  • the position switch 336 is an inductive switch
  • the triggering structure is a signal transmitting portion
  • the signal transmitting portion is disposed on the locking lever and moves together with the locking rod 302
  • the sensing switch is fixedly disposed outside the locking rod , is fixed, and the sensing portion of the sensor switch faces the lock lever.
  • the locking rod extends into and/or out of the locking hole, and the signal emitting portion of the locking rod that protrudes into and/or out corresponds to the sensing portion of the sensing switch, triggering the sensing switch to extend the locking rod And / or the escape signal
  • the position of the lock lever is applied to accurately determine whether the lock lever is locked or unlocked in place, the judgment is accurate, and the structure is simple.
  • the signal transmitting portion may be a magnetic signal or a photoelectric signal or a microwave signal transmitting portion.
  • the locking lever 302 is respectively provided with a locking signal transmitting portion and an unlocking signal transmitting portion.
  • the locking signal transmitting portion faces the sensing portion of the sensing switch.
  • the sensing switch receives the locking signal from the locking signal transmitting portion and transmits a locking signal to the main control board; when the locking lever comes out of the locking hole and retracts and resets, the unlocking signal transmitting portion is opposite to the sensing portion of the sensing switch.
  • the inductive switch receives the unlocking signal from the unlocking signal transmitting unit and transmits an unlocking signal to the main control board.
  • the slide bar is externally provided with a slideway 304 for guiding the lock bar 302 to move in the direction of the slide track 304 to extend into the lock hole 301.
  • the position switch 336 is disposed in the side wall of the slide or is disposed in the The end of the slide. If disposed in the side wall of the chute, the inner wall of the chute is provided with a gap for mounting the position switch, and the position switch 336 is installed in the gap.
  • the position switch 336 is disposed in a side wall of the slide of the fixing base 303 or at an end of the slide.
  • the position switch 336 is disposed at a mounting portion 329 of the housing 328 of the rotary electric machine 324.
  • a through hole for the locking rod 302 to pass through, a side wall of the through hole is provided with a gap for mounting the position switch 336, and is disposed at the place close to the rotating motor for wiring, and can be connected with the wiring of the rotating motor .
  • the locking lever 302 protrudes, but does not protrude into the locking hole 301. At this time, the locking lever 302 is pressed against the other position of the bottom of the inner tub, and the other positions of the bottom of the inner tub are better than the locking hole 301. Low, since the locking lever 302 does not rise to the highest point, the locking lever will die at the bottom of the inner tub. At this time, the rotating motor 324 still drives the locking lever to move upward, which may cause the motor to be blocked, jammed, or even cause the motor. The burnout, at this time the lock lever can not be reset, can not enter the next work cycle, need to manually adjust, or even need to remove the inner bucket to enter the next work cycle.
  • the lower end of the lock lever 302 is coupled to the link of the crank link structure, and an idle stroke is provided between the link and the crank and/or between the link and the lock lever.
  • the locking mechanism receives the error signal, the locking lever extends, but does not protrude into the locking hole 301.
  • the locking lever 302 is pressed against other positions at the bottom of the inner tub, and other positions at the bottom of the inner tub are lower than the locking hole. Since the locking lever 302 does not rise to the highest point, the locking lever 302 will be pressed to the bottom of the inner tub, and the rotating motor is still driving the locking lever 302.
  • the connecting rod The idle travel between the crank and/or the connecting rod and the locking lever begins to function, and the rotating motor drives the crank or the connecting rod to move within the idle stroke.
  • the motor continues. Drive the lock lever to move down to reset, re-enter the next working cycle, no damage to the motor or the bottom of the inner tub, and do not manually adjust or disassemble the washing machine for maintenance, avoid washing machine failure, and avoid unnecessary trouble to the user.
  • the free travel is a compressible distance along the length of the link.
  • the idle travel is a movable space disposed along the length of the link, and the connecting end of the crank and/or the lock lever moves in the movable space, and the locked state does not change.
  • the lock lever 302 cannot be driven, the compressible space is compressed.
  • the motor continues to drive the lock lever to move downward to reset and re-enter the next duty cycle.
  • the air travel may be provided by an elliptical hole 331.
  • the connecting rod is a connecting arm 330.
  • the two ends of the connecting arm 330 are respectively provided with a hinge hole, and the hinge hole of one end of the connecting arm and the locking rod 302 The end is hinged, and the hinge hole at the other end of the connecting arm is hinged to the crank, and one or both of the hinge holes are elliptical holes 331.
  • the elliptical hole can provide a certain displacement, so that the motor rotates through the highest point of the drive, and the motor continues to drive the locking lever to move downward to reset and re-enter the next working cycle.
  • the idle stroke may be provided by a spring.
  • the spring may provide a certain displacement to rotate the motor through the highest point of the drive, and the motor continues to drive the lock lever to move downward to reset. Go to the next work cycle.
  • the connecting rod includes a connecting arm 330, a first spring 332 and a slider 334, and one end of the first spring 332 is connected The arm 330 is fixed, the other end of the first spring 332 is fixed to the slider 334, and the slider 334 is slidably connected to the connecting arm 330.
  • the connecting arm 330 fixes one end of the first spring 332 to be hinged with the locking rod 302, and the connection is
  • the arm 330 is provided with one end of the slider hinged to the crank by a slider 334.
  • a groove/notch 339 is disposed in the middle of the connecting arm, and the first spring 332 and the slider 334 are disposed in series along the length direction in the groove/notch 339, and the slider 334 and the groove/notch The 339 is slidably coupled, one end of the first spring being fixed to the end of the groove/notch 339, and the other end being fixed to the slider 334.
  • the end of the groove/notch 339 and the slider are respectively provided with mounting posts 335 on the end faces of the ends, and the two ends of the first spring are respectively sleeved on the mounting posts 335.
  • the two opposite end faces of the mounting post 335 are beveled or stepped end faces.
  • the compression amount it is ensured that the assembly length of the first spring and the mounting post is the longest, the spring is reliably installed, and it is not easy to eject when compressed, saving space and occupying in the height direction compared with the plane end surface. The smallest space.
  • the bottom of the inner tub is provided with a drain port
  • the drain control mechanism includes at least a retractable valve plug, and the valve plug moves upward to close the drain port.
  • the valve plug moves downward to open the drain port.
  • the valve plug is fixed in the circumferential direction.
  • the drain control mechanism further includes a crank link structure, the lower end of the valve plug is connected with the connecting rod of the crank link structure, and when the drain control mechanism receives the error signal, the valve plug protrudes, but does not protrude into the drain port, At this time, the valve plug is at the other position on the bottom of the inner barrel, such as the inner barrel flange, and the other positions at the bottom of the inner barrel are lower than the water outlet. Since the valve plug does not rise to the highest point, the valve plug will die at the bottom of the inner barrel. When the drive valve plug moves upward, the motor will be blocked and jammed, and even the motor will be burnt. At this time, the valve plug cannot be reset, and it cannot enter the next working cycle. It needs manual adjustment, and even the inner barrel needs to be removed to enter the lower part. A working cycle.
  • an idle stroke is provided between the connecting rod and the crank and/or between the connecting rod and the valve plug.
  • the drain control mechanism receives the error signal
  • the valve plug extends, but does not protrude into the drain port.
  • the valve plug is pressed against the other position at the bottom of the inner tub, and the other positions at the bottom of the inner tub are lower than the drain port, because the valve plug does not rise to the highest position.
  • the valve plug will die at the bottom of the inner bucket, at this time the rotating motor is still driving the valve plug, at this time, because the valve plug is dead at the bottom of the inner tub, between the connecting rod and the crank and/or the connecting rod and the valve plug.
  • the rotary motor drives the crank or the connecting rod to move in the idle stroke.
  • the motor continues to drive the valve plug to move downward to reset and re-enter the next working cycle. It will not cause damage to the bottom of the motor or the inner barrel, nor manually adjust or disassemble the washing machine for maintenance, avoiding the malfunction of the washing machine and avoiding unnecessary troubles for the user.
  • the free travel is a compressible distance along the length of the link.
  • the idle stroke is a length along the link.
  • the movable space set in the direction, the connection end of the crank and/or the valve plug moves in the active space, and the drainage state does not change.
  • the compressible distance is compressed.
  • the motor continues to drive the valve plug to move down to reset and re-enter the next duty cycle.
  • the idle stroke may be provided by an elliptical hole 422, the connecting rod is a connecting arm 421, and two ends of the connecting arm 421 are respectively provided with a hinge hole, and the hinge hole of one end of the connecting arm and the end of the valve plug Hinged, the hinged hole at the other end of the connecting arm is hinged to the crank, and one or both of the hinged holes are elliptical holes 422.
  • the elliptical hole 422 can provide a certain displacement to rotate the motor through the highest point of the drive, and the motor continues to drive the valve plug to move downward to reset to the next duty cycle.
  • the idle stroke may be provided by a spring.
  • the spring can provide a certain displacement, so that the motor rotates through the highest point of the drive, and the motor continues to drive the valve plug to move downward to reset, and then re-enter the next step.
  • the connecting rod includes a connecting arm 421, a first spring 423 and a slider 424.
  • One end of the first spring 423 is fixed to the connecting arm 421, and the other end of the first spring 423 is fixed to the slider 424.
  • the connecting arm 421 is slidably connected, and one end of the connecting arm 421 fixing the first spring is hinged with the valve plug, and the connecting arm 421 is provided with one end of the slider 424 hinged to the crank through the slider 424.
  • a groove/notch is disposed in the middle of the connecting arm 421.
  • the first spring 423 and the slider 424 are connected in series and disposed in the groove/notch along the length direction, and the slider 424 slides with the groove/notch.
  • one end of the first spring 423 is fixed to the end of the groove/notch, and the other end is fixed to the slider 424.
  • the end of the groove/notch and the slider 424 are respectively provided with mounting posts 425 on the end faces of the ends, and the two ends of the first spring 423 are respectively sleeved on the mounting posts 425.
  • the opposite end faces of the mounting posts 425 are beveled or stepped end faces.
  • the compression amount it is ensured that the second spring and the mounting post have the longest assembly length, so that the spring is reliably installed, and it is not easy to eject when compressed, saving space and occupying in the height direction compared with the plane end surface. The smallest space.
  • the valve plug includes a retractable valve stem 401 and a sleeve 402 disposed on the valve stem 401 for expansion and contraction with the expansion and contraction of the valve stem, and the lower end of the valve stem is coupled to the connecting rod.
  • the top of the valve stem 401 is of an elastic structure, or the sealing sleeve 402 extends toward the top of the valve stem to cover at least a portion of the top of the valve stem and extends at least to the interior of the drain opening when the top of the valve stem corresponds to the drain opening.
  • the sealing sleeve 402 extends to the top of the valve stem 401 to completely cover the top of the valve stem 401.
  • the sealing sleeve 402 is located at the top of the valve stem 401 at a closed end, and is sleeved on the top of the valve stem 401.
  • the sealing sleeve 402 The first end 404 is a sealing structure sleeved on the top of the valve stem 401.
  • the second end 405 of the sealing sleeve 402 is sealingly connected to the fixed casing.
  • the sealing sleeve 403 has a bellows shape.
  • the valve stem 401 drives the sealing sleeve 402 to move upward to the drain port 105.
  • the valve stem presses the first end of the sealing sleeve 402 into close contact with the drain port 105, and seals the drain port 105.
  • the upper surface of the valve stem is Up
  • the convex spherical structure provides better sealing.
  • the sealing sleeve is a sealing sleeve made of an elastic material, such as a rubber sleeve.
  • a second spring 413 is disposed on the outer circumference of the valve stem 401.
  • One end of the second spring 413 is fixed to the upper portion of the valve stem 401, and the other end is fixed to a fixing structure.
  • the second spring is a compression spring, and the restoring force of the second spring can be driven.
  • the valve stem moves up and can also block the drain port against the valve plug.
  • the downward resetting motion of the valve stem 401 is driven by the crank link structure, and the upward extension of the valve stem 401 is the restoring force of the second spring 413 after the crank link structure releases the pulling force. At the same time, the restoring force of the second spring 413 can also block the valve plug 105.
  • the top of the valve stem 401 is provided with a blocking piece 403 capable of sealing the drain opening at the bottom of the inner tub.
  • the valve stem 401 has a T-shaped structure.
  • a second spring 413 is disposed at a lower portion of the blocking piece, and one end of the second spring 413 is in contact with the lower surface of the blocking piece 403, and the other end is fixed.
  • the drain control mechanism further includes a fixed seat 407 of a valve stem 401.
  • the center of the fixed seat is provided with a slideway, and the center of the fixed seat 407 is bent upward and/or downward to form a slide 408 of the valve stem 401.
  • the valve stem passes through the slide rail, and the other end of the second spring is fixed to the fixing seat.
  • the slide rail 408 is sleeve-shaped, and the inner diameter is slightly larger than the outer diameter of the valve stem 401, and the gap cannot be too Small, to ensure that the valve stem 401 can slide freely in the slide 408, the gap can not be too large, and the direction in which the valve stem 401 moves can not be excessively deviated.
  • the inner wall of the slide 408 is uniformly distributed in the circumferential direction.
  • the protrusion and the top of the protrusion are in line contact with the surface of the valve stem 401, so that the plurality of protrusions serve as a guiding function for the valve rod 401, ensuring that the valve plug is aligned with the water outlet, avoiding shaking, and reducing the contact area.
  • the small friction causes the valve stem 401 to slide freely within the slide 408.
  • the drainage control mechanism further includes a fixed casing 409, the fixed casing 409 is sleeve-shaped, the fixed casing is installed at an upper portion of the fixing base 407, the valve plug is disposed in the fixed casing, and the sealing sleeve of the valve plug is The fixed shell is connected.
  • the sealing sleeve 402 of the valve plug is connected to the lower end of the fixing shell, and the sealing sleeve extends outwardly at the outer edge of the top of the valve stem to form a flange, and the valve plug moves downward to open the drain opening, and the turning
  • the valve plug moves downward to the outlet port 105
  • the water in the inner tub 100 will immediately flow downward, and the water flows to the upper end of the valve plug, that is, the first end 404 and the flange 410.
  • the outer periphery of the valve plug is diffused to prevent the water from directly rushing into the fixed casing to impact the drainage control structure.
  • the flange 410 When the valve plug is at the lowest position, the flange 410 is overlapped with the fixed casing.
  • the upper end of the 407 or the second mounting hole 204 can block impurities such as wire dust in the water flow from entering the fixed casing and hinder the expansion and contraction of the valve plug.
  • a water leakage port is disposed in a lower portion of the fixed casing.
  • a drain pipe is disposed on the water leakage port 411, and the drain pipe is connected to the drain pipe of the washing machine.
  • the sealing sleeve 402 Since the sealing sleeve 402 is sleeved on the valve stem 401, the second end 405 of the sealing sleeve 402 is sealed with the fixing shell 409, and the water flowing against the flange 410 cannot completely block the entry of the fixing shell 409 and the sealing sleeve 402.
  • the water leakage port 411 In the space between the spaces, the water leakage port 411 is provided to discharge the water entering the space through the water leakage port 411 to the drain pipe of the washing machine, thereby discharging the washing machine.
  • the outer edge of the first end 404 of the preferred sealing sleeve 402 extends outwardly from a third end.
  • the third end is sealingly connected to the upper end of the fixed housing 409.
  • the extended portion is a seal that can expand and contract with the valve stem.
  • the sleeve is preferably a bellows-shaped sealing sleeve.
  • a sealing sleeve between the extended third end and the first end 404 can space the fixed housing 409 and the sealing sleeve 402 Sealed to prevent water from flowing into the space between the fixed casing 409 and the sealing sleeve 402.
  • the sealing sleeve between the second end 405 and the first end 404 can be eliminated, but for safety, or to prevent the third end and
  • the seal of the seal sleeve between the first ends 404 fails, preferably the seal sleeve between the second end 405 and the first end 404 is provided, in which case the space between the fixed shell 409 and the seal sleeve 402 is sealed. It is live, so the lower part of the fixed case 409 does not need to be provided with the water leakage port 411.
  • the crank is connected to a rotating electric machine 416.
  • the rotating electric machine 416 is disposed in a casing 417.
  • the casing is provided with a mounting portion 418.
  • the mounting portion is fixed to a lower portion of the fixing base 407, or the mounting portion 418 is
  • the fixing base 407 is integrally formed.
  • the crank is an eccentric wheel 415, an eccentric shaft of the eccentric wheel 415 is hinged with the connecting rod, and a center of the eccentric wheel 415 is connected to the rotating electrical machine.
  • the drainage control mechanism is disposed at a bottom of the outer tub of the washing machine, and a sealing structure is disposed between the drainage control mechanism and the outer tub.
  • the outer tub is provided with a second mounting hole 204 of the drainage control mechanism
  • the fixing seat of the drainage control mechanism is installed at the bottom of the outer tub
  • the fixed shell of the drainage control mechanism is installed in the second mounting hole.
  • a sealing structure is arranged between the fixed shell and the second mounting hole.
  • the upper end of the second mounting hole 204 is bent inwardly to form a bend, and the lower end of the fixed shell 409 is bent outward to form a bend, and the fixed shell 409 extends into the second mounting hole 204, and the upper end of the fixed shell 407
  • the lower end of the second mounting hole 204 abuts against the lower end of the fixed housing 407, and the second end 405 of the sealing sleeve 402 is pressed at the lower end of the second mounting hole 204.
  • a seal is formed between the bends of the lower end of the fixed casing 407 to avoid water leakage there.
  • the bottom of the inner tub of the washing machine is provided with a locking hole and a drain port
  • the bottom of the outer tub of the washing machine is provided with a locking mechanism and a drainage control mechanism
  • Step 1 Enter the washing/rinsing program, the main control board controls the locking mechanism and the locking hole to lock the inner barrel, the drainage control mechanism blocks the drainage port, and the inlet valve enters the inner barrel to set the water level or the amount of water, and starts washing. There is no water between the inner barrel and the outer barrel.
  • the main control board After receiving the washing/rinsing signal, the main control board issues an inner barrel locking command, and the driving inner barrel rotates so that the locking hole corresponds to the position of the locking lever, and the locking rod of the control locking mechanism extends into the locking hole, and the locking rod extends into the After the locking hole is in place, the locking mechanism sends a lock in-position signal to the main control board. Or after receiving the washing/rinsing signal, the main control board issues an inner barrel locking command to drive the inner tub to rotate, and the locking rod of the control locking mechanism is extended. When the locking hole corresponds to the position of the locking lever, the locking rod extends into the locking After the locking rod extends into the locking hole, the locking mechanism sends a lock in-position signal to the main control board.
  • the main control board issues the inner barrel lock command and receives the lock in-position signal
  • the main control board issues a command to close the drain port, and the valve plug of the control drain control mechanism extends out to block the drain port; when the main control board issues the inner barrel lock command
  • the lock in-position signal from the lock mechanism is not received during the set time or the set number of detections.
  • the main control board controls the lock lever to retract and reset, and re-issues the inner barrel lock command.
  • the main control board When the main control board re-issues the number of times the inner barrel lock command is set, the lock-in signal sent by the lock mechanism is not received in the set time or the set number of detection times, and the main control board issues an alarm command to execute the alarm. Avoid the main control board after the fault Issue instructions to cause damage to components.
  • Step 2 After the washing/rinsing is finished, the drainage program is entered.
  • the main control board controls the drainage control mechanism to open the drainage port, and most of the water in the inner barrel is discharged through the drainage port; after the washing is finished, the main control board issues an instruction to open the drainage valve and control the drainage control mechanism.
  • the valve plug is retracted and reset, the drain opening is open, and the drain is drained.
  • Step 3 After the drainage is completed, the dehydration process is entered, the main control board controls the locking mechanism to release the inner tub, and the inner tub rotates to perform dehydration. After the drainage is completed, the main control board issues a command to release the inner tub, and controls the lock lever to retract. After the lock lever is retracted and reset, the lock mechanism issues an unlocking in-position command, and the main control board receives the unlocking in-position command to control the inner tub to rotate and dehydrate.
  • step two and step three the main control board controls the drainage control mechanism to open the drain port or control the lock mechanism to release the inner tub from the lock hole.
  • the locking rod is a variable diameter cylinder, and the locking mechanism is provided with a position switch corresponding to the outer side of the locking rod.
  • the locking rod is moved, when the locking rod extends into the locking hole and the locking rod is retracted and reset After that, the different diameter parts of the locking rod correspond to the contacts of the position switch, respectively triggering the position switch to send a corresponding signal.
  • the small diameter portion of the locking rod corresponds to the position switch
  • the contact is released, and the position switch sends a lock in-position signal to the main control board.
  • the lock is locked.
  • the large diameter portion of the stop rod corresponds to the contact of the position switch, the contact is compressed, and the position switch sends an unlocking in-position signal to the main control board.
  • the large diameter portion of the locking rod corresponds to the position switch, the contact is compressed, and the position switch sends a lock in-position signal to the main control board, and the locking rod is retracted and reset.
  • the small diameter portion of the locking rod corresponds to the contact of the position switch, the contact is reset, and the position switch sends an unlocking in-position signal to the main control board.
  • the above control method controls the operation sequence of the locking mechanism of the inner tub and the drainage control mechanism of the inner bucket drain port, realizes no-clean washing between the inner tub and the outer tub, and can realize normal dehydration, and the above control method is controlled accurately, and the washing machine saves water smoothly washing.

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  • Textile Engineering (AREA)
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Abstract

一种节水洗衣机的控制方法及洗衣机，所述洗衣机内桶(100)底部设置锁止孔(301)和排水口(105)，所述洗衣机外桶(200)底部设置锁止机构(300)和排水控制机构(400)，步骤一：进入洗涤/漂洗，主控板控制锁止机构与锁止孔配合锁定内桶，排水控制机构封堵排水口，进水阀进水至内桶，内桶、外桶之间无水，开始洗涤；步骤二：洗涤/漂洗结束进入排水，主控板控制排水控制机构打开排水口，内桶中水通过排水口排出；步骤三：排水结束进入脱水，主控板控制锁止机构脱离锁止孔释放内桶，驱动内桶转动进行脱水。

Description

一种节水洗衣机的控制方法及洗衣机 技术领域
本发明涉及洗衣机领域，尤其是一种节水洗衣机的控制方法及洗衣机。
背景技术
现有的波轮式洗衣机，内桶上由透水孔，内外桶之间连通，内桶为洗涤桶，外桶为盛水桶，而内桶与外桶侧壁之间充满的这部分水不参与洗涤，真正参与洗涤的水仅是内桶中的那部分，这使得水资源浪费较大，另外，内外桶之间过多的水也会降低洗涤液中洗涤剂/洗衣粉的浓度。与此同时，由于水流在内桶、外桶之间频繁进出，持续使用之后，内桶与外桶的侧壁之间的区域也成了藏污纳垢的空间，自来水里的水垢、洗衣粉的游离物、衣物的纤维素、人体的有机物及衣物带入的灰尘与细菌极易滞留在内桶与外桶的侧壁之间。这些霉菌是用久了的洗衣机内部积蓄的大量污垢、因不能有效去除而滋生繁殖的，这些使用者看不到的污垢如果不予清除，那么在下一次洗涤后，细菌又会附着在衣物上而带给人体，造成交叉感染的问题。
申请号为CN200420107890.8的中国专利涉及一种全自动洗衣机，主要包括箱体、洗涤脱水桶、盛水桶和驱动装置，盛水桶安装在洗涤脱水桶的外面并与箱体固定连接，盛水桶内壁底面与洗涤脱水桶的外壁底面之间设有密封装置，并在密封装置内形成密封腔；洗涤脱水桶外侧壁无通孔，底部设有与密封腔相连通的排水口；盛水桶上开有与排水管相通的排水口，排水管上设有排水阀。盛水桶通过吊杆与箱体固定连接，吊杆的一端与箱体上端的内壁相连接，另一端与盛水桶的外壁相连接。但是长时间运转，因为密封结构长时间运转磨损，容易造成磨损漏水，如果水质较差，含沙量较高，使用寿命会大大缩短，就不能起到应有的功能了。也不适应洗涤容量大的状态下使用，可靠性较差。
鉴于此提出本发明。
发明内容
本发明的目的为克服现有技术的不足，提供一种节水洗衣机的控制方法及洗衣机。
为了实现该目的，本发明采用如下技术方案：一种节水洗衣机的控制方法，所述洗衣机内桶底部设置锁止孔、和排水口，所述洗衣机外桶底部设置锁止机构和排水控制机构，步骤一：进入洗涤/漂洗程序，主控板控制锁止机构与锁止孔配合锁定内桶，排水控制机构封堵排水口，洗衣机进水至内桶到设定水位或水量，开始洗涤，洗涤时内桶、外桶之间无水；
步骤二：洗涤/漂洗结束后进入排水程序，主控板控制排水控制机构打开排水口，内桶中水通过排水口排出；
步骤三：排水结束后进入脱水程序，主控板控制锁止机构释放内桶，驱动内桶旋转进行 脱水。
步骤一中，接收洗涤/漂洗信号后主控板发出内桶锁止指令，驱动内桶转动使得锁止孔与锁止杆位置对应，控制锁止机构的锁止杆伸入至锁止孔内，伸入到位后，锁止机构向主控板发出锁定到位信号。
当主控板发出内桶锁止指令并接收到锁定到位信号后，主控板发出关闭排水口指令，排水控制机构的阀塞伸出封堵排水口；当主控板发出内桶锁止指令后设定时间内或设定检测次数中未接收到锁止机构发出的锁定到位信号，主控板控制锁止杆回缩复位，并重新发出内桶锁止指令。
当主控板重新发出内桶锁止指令设定次数后，设定时间内或设定检测次数中未接收到锁止机构发出的锁定到位信号，主控板发出报警指令，执行报警。
步骤二中，洗涤/漂洗结束后主控板发出打开排水阀指令，排水控制机构的阀塞回缩复位，排水口打开，开始排水。
步骤三中，排水结束后主控板发出释放内桶指令，并控制锁止杆回缩，锁止杆回缩复位后，锁止机构发出解锁到位指令，主控板接受到解锁到位指令后控制内桶转动脱水。
所述锁止杆为变直径柱体，所述锁止机构对应锁止杆的外侧设置位置开关，当锁止杆伸入锁止孔到位后和锁止杆回缩复位后，锁止杆的不同直径部位与位置开关的触点对应，分别触发位置开关发出相应信号。
所述锁止杆伸入锁止孔到位后，锁止杆的小直径部位对应位置开关，触点释放，位置开关向主控板发出锁定到位信号，所述锁止杆回缩复位后，锁止杆的大直径部对应位置开关的触点，触点被压缩，位置开关向主控板发出解锁到位信号，或者所述锁止杆伸入锁止孔到位后，锁止杆的大直径部位对应位置开关，触点被压缩，位置开关向主控板发出锁定到位信号，所述锁止杆回缩复位后，锁止杆的小直径部对应位置开关的触点，触点复位，位置开关向主控板发出解锁到位信号。
步骤二和步骤三中，主控板控制排水控制机构打开排水口的同时或之前控制锁止机构脱离锁止孔释放内桶。
本发明还提供了一种具有上述控制方法的洗衣机。
采用本发明所述的技术方案后，带来以下有益效果：
1、本发明所述锁止机构设置位置开关，当锁止杆伸入锁止孔并锁止到位后，触发结构触发位置开关，位置开关发出锁止到位信号，当锁止杆回缩脱离锁止孔并回缩复位后，触发结构触发位置开关，发出解锁到位信号，以便洗衣机的主控板控制洗衣机进行下一步的程序。应用锁止杆的位置准确判断锁止杆是否锁止到位或者解锁到位，判断准确，结构简单。
2、本发明所述锁止机构设置空行程，当锁止机构接收到错误信号锁止杆伸出，但是未伸入到锁止孔内，锁止杆顶死在内桶底部，旋转电机驱动曲柄或连杆在空行程内移动，当过了 电机驱动的最高点时，电机继续驱动锁止杆向下运动复位，重新进入下一工作循环，不会对电机或内桶底部造成损坏，也不要手动调整或拆开洗衣机进行维修，避免洗衣机故障，避免给用户造成不必要的麻烦。
3、本发明所述排水控制机构设置空行程，当排水控制机构接收到错误信号阀塞伸出，但是未伸入到排水口内，此时阀塞顶住内桶底部，旋转电机驱动曲柄或连杆在空行程内移动，当过了电机驱动的最高点时，电机继续驱动阀塞向下运动复位，重新进入下一工作循环，不会对电机或内桶底部造成损坏，也不要手动调整或拆开洗衣机进行维修，避免洗衣机故障，避免给用户造成不必要的麻烦。
4、本发明中控制方法控制内桶的锁止机构和内桶排水口的排水控制机构的动作顺序，实现内桶和外桶之间无水洗涤，还能实现正常脱水，且上述控制方法控制准确，流畅保证洗衣机节水洗涤。
下面结合附图对本发明的具体实施方式作进一步详细的描述。
附图说明
图1：本发明洗衣机结构图
图2：本发明锁止机构立体图
图3：本发明锁止结构剖视图
图4：本发明锁止杆和位置开关结构示意图
图5：本发明锁止杆和位置开关结构示意图
图6：本发明锁止机构连杆结构图
图7：本发明排水控制机构立体图
图8：本发明排水控制机构主视图
图9：本发明排水控制机构剖视图
图10：图8的A处放大图
图11：图8的A处放大图
图12：本发明排水控制机构部分结构图
图13：本发明洗衣机控制方法流程图
其中：100、内桶，101、内桶体，102、内桶底，103、内桶法兰，104、平衡环，105、排水口，106、排水孔，200、外桶，201、第一安装孔，202、外桶底，204、第二安装孔，300、锁止机构，301锁止孔，302、锁止杆，303、固定座，304、滑道，305、固定壳，306、密封圈，307、密封套，308、第一端，309、第二端，310、第三端，320、凸台，321、第二弹簧，323、偏心轮，324、旋转电机，328、壳体，329、安装部，330、连接臂，331、椭圆孔，332、第一弹簧，334、滑块，335、安装柱，336、位置开关，337、第一锁止部，338、第二锁止部，339、凹槽，400、排水控制机构，401、阀杆，402、密封套，403、挡片，404、 第一端，405、第二端，407、固定座，408、滑道，409、固定壳，410、翻边，411、漏水口，413、第二弹簧，415、偏心轮，416、旋转电机，417、壳体，418、安装部，421、连接臂，422、椭圆孔，423、第一弹簧，424、滑块，425、安装柱，426、凹槽。
具体实施方式
如图1所示，本发明中的洗衣机，包括内桶100、外桶200，内桶体101无与外桶连通的漏水孔，内桶底102设有一排水口105，内桶体101上部设有一圈排水孔106，洗涤时，排水口105关闭，水位低于所述排水孔106的高度，只有内桶100中有水，内桶100和外桶200之间无水，洗涤结束后，排水口105开启，大部分水从排水口105中排走，脱水时，内桶100转动，衣物中脱出的水受离心力的作用沿桶壁上升，通过内桶上部的排水孔106排出内桶到内外桶之间，再通过外桶200的外桶排水口排出，这样洗涤时洗涤水只保存在内桶100中，内外桶之间无洗涤水，节约用水，同时内桶与外桶的侧壁之间的区域不会积蓄污垢，使内、外桶之间清洁，避免滋生细菌；排水和/或脱水过程中，排水口105打开，大部分水及泥沙、颗粒等沉积物从下部排水口105排出至外桶中，衣物中的水则在内桶高速旋转脱水时由内桶上部的排水孔106排出至外桶中，直接从外桶底的排水口、排水管排出洗衣机外，实现了快速排水且排水、排污效果好。
本发明在排水口105底部设置控制排水口105打开/关闭的排水控制机构400，进水、洗涤时排水控制机构400封堵排水口105，控制排水口105关闭，排水、脱水时排水控制机构400控制排水口105开启。
排水控制机构400设置在外桶200底部，周向上固定，排水口105设置在内桶100上，脱水时，内桶转动，当排水口105需要排水控制机构400将其关闭时，二者的位置不一定在同一位置，本发明在内桶100底部增加锁止机构300，所述锁止机构300可先将内桶定位至排水口105与排水控制机构400位置对应后，将内桶100锁止，排水控制机构400将排水口105封堵。锁止机构300还能有效防止洗衣机在进水和洗涤时，内桶100转动，内桶底部的控制排水口105打开/关闭的排水控制机构200失效。
内桶底部设置锁止孔301，锁止孔301为盲孔与内桶内部不连通，本发明所述的内桶的锁止机构300安装在外桶底部，锁止机构300至少包括一可伸缩的锁止杆302，所述锁止杆302圆周方向上固定，洗涤、漂洗时，所述锁止杆302向上运动并伸入锁止孔301，内桶100被锁定，不能转动，此时排水控制机构400封堵排水口105，内外桶之间无水，内桶100被锁定可避免排水控制机构400失效，脱水时，所述锁止杆302向下运动并脱出锁止孔301，内桶周向旋转，对内部衣物进行脱水。
内桶100底部排水口105需要封堵时，锁止杆301向上运动并伸入锁止孔301，内桶100被锁定，排水控制机构400将排水口105封堵，内桶100需要转动时锁止杆302向下运动并脱出锁止孔301，内桶周向可转动，锁止杆302向下运动至与外桶200内底面平齐，不影响 内桶100的转动。
实施例一
如图2至图6所示，本发明所述锁止机构至少包括一可沿轴向往复运动的锁止杆302，供锁止杆运动的滑道和驱动锁止杆运动的驱动单元，所述锁止杆302伸入锁止孔301，内桶100被锁定，所述锁止杆302脱出锁止孔301，内桶100解除锁定。
所述锁止机构还包括一锁止杆302的固定座303，所述固定座303的中心设有滑道304，所述锁止杆302穿过所述滑道304，优选所述固定座303为一环状结构，固定座303的中心向上或向下弯折形成所述滑道304。
所述锁止机构还包括一固定壳305，所述固定壳305安装在固定座303的上部，与固定座303固定连接，可为螺纹连接，锁止杆302和滑道304设置在固定壳305内，所述固定壳305与所述锁止杆302之间设置密封结构。所述密封结构为可伸缩结构，优选波纹形状密封套307。密封套一端与锁止杆密封连接，另一端与固定壳密封连接。
所述锁止杆的上部设有一凸台320，所述凸台302的下部设有第二弹簧321，第二弹簧321一端与凸台的下表面接触，另一端固定，锁止杆302向下运动时，第二弹簧321被压缩。优选第二弹簧321的另一端与固定座303接触固定，第二弹簧321的回复力驱动所述锁止杆302向上运动。
所述锁止机构还包括曲柄连杆结构，所述锁止杆的下端与曲柄连杆结构的连杆连接，所述曲柄连接一旋转电机324，优选所述旋转电机324设置在一壳体328内，所述壳体设有一安装部329，安装部329安装在所述固定座的下端，安装部的中心设有供锁止杆302通过的通孔。
所述锁止杆302向下的复位运动是所述曲柄连杆结构驱动的，所述锁止杆302向上的伸出是所述曲柄连杆结构释放拉力后，所述第二弹簧321的回复力驱动的。
优选所述曲柄为一偏心轮323，所述偏心轮的偏心轴与所述连杆铰接，所述偏心轮的中心连接旋转电机的电机轴。旋转电机转动一周锁止杆工作一个周期，可以由回缩状态向外伸到锁止孔锁止后，再回缩复位。
所述洗衣机外桶底部设置所述锁止机构，所述锁止机构与外桶之间设有密封结构，优选所述外桶上设有锁止机构的第一安装孔201，所述锁止机构的固定座安装在所述外桶底部，固定座303通过螺栓或螺钉等螺纹连接固定在外桶200的底部的外侧，所述锁止机构的固定壳安装在安装孔内，固定壳与安装孔之间设有密封结构保证该处密封不能漏水，所述密封结构为弹性密封圈。
优选所述第一安装孔201的上端向内弯折形成一折弯，固定壳的下端向外弯折形成一折弯，固定壳305伸入第一安装孔201内，固定壳305的上端抵住第一安装孔201的上端的折弯，固定壳与所述锁止杆之间设置的密封套的端部挤压在固定壳305的上端与第一安装孔201 的上端的折弯之间，形成密封，第一安装孔201的下端抵住固定壳的下端的折弯，二者之间设置一密封结构，如弹性密封圈。
所述固定壳305与所述锁止杆302之间的密封结构为一可随锁止杆伸缩而伸缩的密封套307，密封套307的第一端308与固定壳305密封连接，优选所述密封套307的第一端设置在固定壳305的上端与第一安装孔201的上端的折弯之间，密封套具有弹性，形成密封，第二端309与锁止杆302密封连接，优选通过螺母挤压到锁止杆302的凸台上形成密封，这样外桶中的水不会进入固定壳中，不会破坏锁止机构300，也不会导致漏水。优选密封结构为波纹管形状的密封套307，具有一定的伸缩性，本身不能透水，还能够实现密封。所述密封套为由弹性材料制成的密封套，如橡胶套。
密封套307的第二端309处沿轴向延伸出一第三端310，所述第三端310与固定壳305的下端密封连接，所述延伸的部分为可随锁止杆伸缩而伸缩的密封套，优选为波纹管形状。所述延伸出的密封套增加了二次密封的作用，即使上面的密封出现问题，延伸出的密封套还能够起到进一步的密封的作用，提高了安全性，避免漏水。优选固定壳305的下端与固定座挤压第三端310形成密封。
锁止杆302伸缩到最低位置时，锁止杆302的顶端低于或等于外桶底部内表面，优选所述锁止杆伸缩到最低位置时，锁止杆的顶端等于外桶底部内表面。可避免内桶100转动时，锁止杆302与内桶100起到干涉，破坏锁止杆302或内桶100。
锁止孔301设置在内桶法兰103上，内桶法兰103上位于锁止孔301的周向两侧分别有一光滑的凹槽形成一导轨，或者所述导轨为一单独的结构，导轨上有一光滑的凹槽，锁止孔301位于该凹槽的中部。当内桶100转速低于某一设定转速时，控制锁止杆302向上运动，顶到导轨上，由于弹簧321的作用，锁止杆302还有向上运动的趋势，内桶转动与导轨与锁止杆302摩擦，当锁止孔301运动到锁止杆302位置与锁止杆302对应时，锁止杆向上运动伸入至锁止孔301内，实现内桶100的定位锁止。
所述锁止机构还包括位置开关336，所述锁止杆302上设置位置开关的触发结构，当锁止杆302伸入锁止孔301并锁止到位后，触发结构触发位置开关，位置开关336发出锁止到位信号，当锁止杆回缩脱离锁止孔并回缩复位后，触发结构触发位置开关，发出解锁到位信号，以便洗衣机的主控板控制洗衣机进行下一步的程序。
所述位置开关336固定设置在锁止杆302的外侧的滑道上，为固定设置，所述触发结构设置在所述锁止杆302上，随锁止杆302一起运动，所述锁止杆302伸入和/或脱出锁止孔301，锁止杆上的触发结构触发所述位置开关发出锁止杆伸入和/或脱出信号，应用锁止杆的位置准确判断锁止杆是否锁止到位或者解锁到位，判断准确，结构简单。
所述位置开关336为触点开关，所述触点开关的触点朝向锁止杆302，所述锁止杆朝向触点的侧面至少包括与触点垂直距离不同的两段侧面，当锁止杆伸入锁止孔并锁止到位后， 其中一段侧面与触点接触，触发触点开关发出锁止到位信号，当锁止杆回缩脱离锁止孔并回缩复位后，另一端侧面与触点接触，触发触点开关发出解锁到位信号，以便洗衣机的主控板控制洗衣机进行下一步的程序。所述两段侧面的连接处为倾斜过渡面。当锁止杆回缩的过程中，所述触点与所述倾斜过渡面接触，设置倾斜过渡面以便两端侧面与触点接触切换时的顺利进行，避免卡死锁止杆。
所述锁止杆302为柱体，可以为三棱柱或者多棱柱，至少包括第一锁止部337和第二锁止部338，第一锁止部337和第二锁止部338的直径不同，第一锁止部337的直径大于第二锁止部338的直径，当锁止杆302伸入锁止孔301并锁止到位后，第一锁止部337与触点接触，触发触点开关发出锁止到位信号，当锁止杆302回缩脱离锁止孔301并回缩复位后，第二锁止部338与触点接触，触发触点开关发出解锁到位信号，以便洗衣机的主控板控制洗衣机进行下一步的程序。或者当锁止杆302伸入锁止孔并锁止到位后，第二锁止部338与触点接触，触发触点开关发出锁止到位信号，当锁止杆302回缩脱离锁止孔并回缩复位后，第一锁止部337与触点接触，触发触点开关发出解锁到位信号，以便洗衣机的主控板控制洗衣机进行下一步的程序。第一锁止部和第二锁止部的连接处平滑过渡。当锁止杆回缩的过程中，所述触点与所述倾斜过渡面接触，设置倾斜过渡面以便直径不同的锁止部与触点接触切换时的顺利进行，避免卡死锁止杆。
优选的所述锁止杆302为圆柱体，方便与锁止孔的配合，更容易伸入锁止孔锁止内桶，所述锁止杆的上部为第一锁止部337，所述锁止杆的下部为第二锁止部338，当锁止杆伸入锁止孔并锁止到位后，第二锁止部与触点接触，触发触点开关发出锁止到位信号，当锁止杆回缩脱离锁止孔并回缩复位后，第一锁止部与触点接触，触发触点开关发出解锁到位信号，第一锁止部的直径大于第二锁止部的直径，直径变化处通过一斜面平滑过渡，当锁止杆回缩的过程中，所述触点与所述倾斜过渡面接触。
或者所述位置开关336为感应开关，所述触发结构为信号发射部，所述信号发射部设置在锁止杆上随锁止杆302一起运动，所述感应开关固定设置在锁止杆的外侧，为固定设置，且感应开关的感应部朝向锁止杆。所述锁止杆伸入和/或脱出锁止孔，锁止杆上的发出伸入和/或脱出的信号发射部与感应开关的感应部对应，触发所述感应开关发出锁止杆伸入和/或脱出信号，应用锁止杆的位置准确判断锁止杆是否锁止到位或者解锁到位，判断准确，结构简单。信号发射部可以为磁信号或光电信号或微波信号发射部。
所述锁止杆302上分别设置锁止信号发射部和解锁信号发射部，当锁止杆302伸入锁止孔301并锁止到位后，锁止信号发射部正对感应开关的感应部，感应开关接收到锁止信号发射部发出的锁止信号并给主控板发射锁止信号；当锁止杆脱出锁止孔并回缩复位后，解锁信号发射部正对感应开关的感应部，感应开关接收到解锁信号发射部发出的解锁信号并给主控板发射解锁信号。
锁止杆外部设有一滑道304，引导锁止杆302沿滑道304方向运动，便于伸入锁止孔301，所述位置开关336设置在所述滑道的侧壁内或者设置在所述滑道的端部。若设置在滑道的侧壁内，滑道的内壁设有安装位置开关的豁口，所述位置开关336安装在该豁口内。
所述位置开关336设置在所述固定座303滑道的侧壁内或者设置在所述滑道的端部，优选所述位置开关336设置在所述旋转电机324的壳体328的安装部329的供锁止杆302通过的通孔内，所述通孔的侧壁上设有一安装位置开关336的豁口，设置在该处靠近旋转电机便于接线，可以与旋转电机的接线的走线在一起。
当锁止机构接收到错误信号锁止杆302伸出，但是未伸入到锁止孔301内，此时锁止杆302顶住内桶底部其他位置，而内桶底部其他位置要比锁止孔301低，由于锁止杆302未升到最高点，锁止杆会顶死在内桶底部，此时旋转电机324还在驱动锁止杆向上运动，会造成电机堵转、卡死，甚至会造成电机的烧毁，此时锁止杆也无法复位，无法进入下一个工作循环，需要手动调整，甚至需要拆下内桶才能进入下一工作循环。
为解决上述问题，所述锁止杆302的下端与曲柄连杆结构的连杆连接，所述连杆和曲柄之间和/或所述连杆和锁止杆之间设置空行程。当锁止机构接收到错误信号锁止杆伸出，但是未伸入到锁止孔301内，此时锁止杆302顶住内桶底部其他位置，而内桶底部其他位置要比锁止孔低，由于锁止杆302未升到最高点，锁止杆302会顶死在内桶底部，此时旋转电机还在驱动锁止杆302，此时由于锁止杆顶死在内桶底部，所述连杆和曲柄之间和/或所述连杆和锁止杆之间设置的空行程开始起作用，旋转电机驱动曲柄或连杆在空行程内移动，当过了电机驱动的最高点时，电机继续驱动锁止杆向下运动复位，重新进入下一工作循环，不会对电机或内桶底部造成损坏，也不要手动调整或拆开洗衣机进行维修，避免洗衣机故障，避免给用户造成不必要的麻烦。
所述空行程为沿连杆长度方向有一段可压缩的距离。所述空行程为一段沿连杆长度方向设置的活动空间，曲柄和/或锁止杆的连接端在该活动空间运动，锁止状态不变。当锁止杆302不能被驱动时，压缩所述可压缩空间，当过了电机驱动的最高点时，电机继续驱动锁止杆向下运动复位，重新进入下一工作循环。
所述空行程可由椭圆孔331提供，所述连杆为一连接臂330，所述连接臂330的两端分别设置铰接孔，所述连接臂的一端的铰接孔与所述锁止杆302的端部铰接，所述连接臂的另一端的铰接孔与所述曲柄铰接，所述铰接孔中的一个或两个为椭圆孔331。当锁止杆不能被驱动时，所述椭圆孔可提供一定的移动位移，使电机转过驱动的最高点，电机继续驱动锁止杆向下运动复位，重新进入下一工作循环。
或者所述空行程可由弹簧提供，当锁止杆302不能被驱动时，所述弹簧可提供一定的移动位移，使电机转过驱动的最高点，电机继续驱动锁止杆向下运动复位，重新进入下一工作循环。所述连杆包括连接臂330、第一弹簧332和滑块334，所述第一弹簧332的一端与连接 臂330固定，第一弹簧332另一端与滑块334固定，所述滑块334与连接臂330滑动连接，所述连接臂330固定第一弹簧332的一端与锁止杆302铰接，所述连接臂330设置滑块的一端通过滑块334与所述曲柄铰接。当锁止杆302顶住内桶底部其他位置，不能被驱动时，所述滑块334会在连接臂上滑动，压缩第一弹簧332，使电机转过驱动的最高点，电机继续驱动锁止杆302向下运动复位，重新进入下一工作循环。
所述连接臂中间设有一凹槽/豁口339，所述第一弹簧332和所述滑块334串联后沿长度方向设置在该凹槽/豁口339内，所述滑块334与凹槽/豁口339滑动连接，所述第一弹簧一端与凹槽/豁口339的端部固定，另一端与滑块334固定。
优选所述凹槽/豁口339的端部和所述滑块正对该端部端面上分别设有安装柱335，所述第一弹簧的两端分别套设在安装柱335上。
优选所述安装柱335的相互正对的两个的端面为斜面或阶梯端面。在保证压缩量情况下，可以确保第一弹簧和安装柱的装配长度最长，使弹簧的安装可靠，在压缩的时候不容易弹出，与平面端面相比，节省空间，在高度方向上所占的空间最小。
实施例二
如图7至图12所示，本发明中内桶的排水控制机构，所述内桶底部设有排水口，所述排水控制机构至少包括一可伸缩的阀塞，所述阀塞向上运动关闭排水口，所述阀塞向下运动打开排水口，所述阀塞圆周方向上固定，所述阀塞向上运动并封堵住排水口105时，控制排水口105关闭，所述阀塞向下运动脱出排水口105时，控制排水口105打开。所述排水控制机构还包括一曲柄连杆结构，所述阀塞的下端与曲柄连杆结构的连杆连接，当排水控制机构接收到错误信号阀塞伸出，但是未伸入到排水口，此时阀塞顶住内桶底部其他位置，如内桶法兰，而内桶底部其他位置要比排水口低，由于阀塞未升到最高点，阀塞会顶死在内桶底部，此时旋转电机还在驱动阀塞向上运动，会造成电机堵转、卡死，甚至会造成电机的烧毁，此时阀塞也无法复位，无法进入下一个工作循环，需要手动调整，甚至需要拆下内桶才能进入下一工作循环。
为解决上述问题，所述连杆和曲柄之间和/或所述连杆和阀塞之间设置空行程。当排水控制机构接收到错误信号阀塞伸出，但是未伸入到排水口内，此时阀塞顶住内桶底部其他位置，而内桶底部其他位置要比排水口低，由于阀塞未升到最高点，阀塞会顶死在内桶底部，此时旋转电机还在驱动阀塞，此时由于阀塞顶死在内桶底部，所述连杆和曲柄之间和/或所述连杆和阀塞之间设置的空行程开始起作用，旋转电机驱动曲柄或连杆在空行程内移动，当过了电机驱动的最高点时，电机继续驱动阀塞向下运动复位，重新进入下一工作循环，不会对电机或内桶底部造成损坏，也不要手动调整或拆开洗衣机进行维修，避免洗衣机故障，避免给用户造成不必要的麻烦。
所述空行程为沿连杆长度方向有一段可压缩的距离。或者所述空行程为一段沿连杆长度 方向设置的活动空间，曲柄和/或阀塞的连接端在该活动空间运动，排水状态不变。当阀塞不能被驱动时，压缩所述可压缩的距离，当过了电机驱动的最高点时，电机继续驱动阀塞向下运动复位，重新进入下一工作循环。
所述空行程可由椭圆孔422提供，所述连杆为一连接臂421，所述连接臂421的两端分别设置铰接孔，所述连接臂的一端的铰接孔与所述阀塞的端部铰接，所述连接臂的另一端的铰接孔与所述曲柄铰接，所述铰接孔中的一个或两个为椭圆孔422。当阀塞不能被驱动时，所述椭圆孔422可提供一定的移动位移，使电机转过驱动的最高点，电机继续驱动阀塞向下运动复位，重新进入下一工作循环。
或者所述空行程可由弹簧提供，当阀塞不能被驱动时，所述弹簧可提供一定的移动位移，使电机转过驱动的最高点，电机继续驱动阀塞向下运动复位，重新进入下一工作循环。所述连杆包括连接臂421、第一弹簧423和滑块424，所述第一弹簧423的一端与连接臂421固定，第一弹簧423另一端与滑块424固定，所述滑块424与连接臂421滑动连接，所述连接臂421固定第一弹簧的一端与阀塞铰接，所述连接臂421设置滑块424的一端通过滑块424与所述曲柄铰接。当阀塞顶住内桶底部其他位置，不能被驱动时，所述滑块会在连接臂上滑动，压缩第一弹簧，使电机转过驱动的最高点，电机继续驱动阀塞向下运动复位，重新进入下一工作循环。
所述连接臂421中间设有一凹槽/豁口，所述第一弹簧423和所述滑块424串联后沿长度方向设置在该凹槽/豁口内，所述滑块424与凹槽/豁口滑动连接，所述第一弹簧423一端与凹槽/豁口的端部固定，另一端与滑块424固定。
优选所述凹槽/豁口的端部和所述滑块424正对该端部端面上分别设有安装柱425，所述第一弹簧423的两端分别套设在安装柱425上。
优选所述安装柱425的相对的端面为斜面或阶梯端面。在保证压缩量情况下，可以确保第二弹簧和安装柱的装配长度最长，使弹簧的安装可靠，在压缩的时候不容易弹出，与平面端面相比，节省空间，在高度方向上所占的空间最小。
所述阀塞包括一可伸缩的阀杆401和一套设在阀杆401上可随阀杆的伸缩而伸缩的密封套402，所述阀杆的下端与所述连杆连接。
优选所述阀杆401的顶部为弹性结构，或者所述密封套402向阀杆的顶部延伸至少覆盖住阀杆顶部的一部分，且至少延伸至阀杆顶部与排水口对应时排水口的内部。
优选所述密封套402向阀杆401的顶部延伸至完全覆盖住阀杆401顶部，所述密封套402位于阀杆401顶部的一端为封闭结构，套设在阀杆401的顶部，密封套402的第一端404为密封结构，套设在阀杆401的顶部，密封套402的第二端405与固定壳密封连接，优选所述密封套403为波纹管形。阀杆401带动密封套402向上运动，至排水口105，阀杆将密封套402的第一端挤压至与排水口105紧密贴合，将排水口105封住，优选阀杆的上表面为向上 凸起的球面结构，密封效果更好。所述密封套为由弹性材料制成的密封套，如橡胶套。
阀杆401的外周设有一第二弹簧413，第二弹簧413一端与阀杆401的上部固定，另一端与一固定结构固定，所述第二弹簧为压缩弹簧，第二弹簧的回复力可以驱动阀杆向上运动，还能顶住阀塞封堵排水口。
所述阀杆401向下的复位运动是所述曲柄连杆结构驱动的，所述阀杆401向上的伸出是所述曲柄连杆结构释放拉力后，所述第二弹簧413的回复力驱动的，同时第二弹簧413的回复力还能使阀塞封堵住排水口105。
优选所述阀杆401顶部设有一能封堵内桶底部的排水口的挡片403，优选阀杆401为T型结构。所述挡片的下部设有一第二弹簧413，第二弹簧413一端与挡片403的下表面接触，另一端固定。
排水控制机构还包括一阀杆401的固定座407，所述固定座的中心设有滑道，所述固定座407的中心向上和/或向下弯折形成阀杆401的滑道408。所述阀杆穿过所述滑道，优选所述第二弹簧的另一端与固定座固定，所述滑道408为套筒状，内径略大于所述阀杆401的外径，间隙不能太小，保证阀杆401在滑道408内可自由滑动，间隙不能太大，保证阀杆401运动的方向不能偏离过大，所述滑道408的内壁上沿圆周方向均布多个轴向的凸起，凸起的顶部与阀杆401表面线接触，这样多个凸起对阀杆401起到导向的作用，保证阀塞对准排水口，避免晃动，还减小了接触的面积，减小摩擦，使阀杆401在滑道408内自由滑动。
所述排水控制机构还包括一固定壳409，所述固定壳409为套筒状，所述固定壳安装在所述固定座407的上部，阀塞设置在固定壳内，阀塞的密封套与所述固定壳连接。
优选阀塞的密封套402与所述固定壳的下端连接，所述密封套位于阀杆顶部的外边缘向外延伸形成一翻边，所述阀塞向下运动排水口打开后，所述翻边搭接在所述固定壳的上端，所述阀塞向下运动脱出排水口105时，内桶100内的水马上会向下流出，水流到阀塞上端的即第一端404和翻边410后经过翻边410的引导向阀塞的外周扩散，避免水流直接冲向固定壳内对排水控制结构造成冲击，所述阀塞位于最低位置时，所述翻边410搭接在所述固定壳407或第二安装孔204的上端，可阻挡水流中的线屑等杂质进入固定壳内，阻碍阀塞的伸缩。所述固定壳的下部设置一漏水口。漏水口411上设置一排水管，排水管连接至洗衣机的排水管路上。由于密封套402是套设在阀杆401上的，密封套402的第二端405与固定壳409密封，水流靠翻边410是不能完全阻挡住一点都不进入固定壳409和密封套402之间的空间的，设置漏水口411可将进入上述空间的水通过该漏水口411排到洗衣机的排水管路上，从而排出洗衣机。
优选的密封套402的第一端404外边缘向外延伸出一第三端，所述第三端与固定壳409的上端密封连接，所述延伸的部分为可随阀杆伸缩而伸缩的密封套，优选为波纹管形状的密封套。延伸出的第三端和第一端404之间的密封套可将固定壳409和密封套402之间的空间 密封住，避免水流流入固定壳409和密封套402之间的空间，该种情况下，第二端405与第一端404之间的密封套可取消，但是为了安全，或者防止第三端和第一端404之间的密封套的密封失效，最好还是设置第二端405与第一端404之间的密封套，该种情况下由于固定壳409和密封套402之间的空间被密封住，所以固定壳409的下部不用设置漏水口411。
所述曲柄连接一旋转电机416，所述旋转电机416设置在一壳体417内，所述壳体上设有一安装部418，安装部固定在固定座407的下部，或者安装部418与所述固定座407一体成型，优选所述曲柄为一偏心轮415，所述偏心轮415的偏心轴与所述连杆铰接，所述偏心轮415的中心连接所述旋转电机。
所述洗衣机外桶底部设置所述排水控制机构，所述排水控制机构与外桶之间设有密封结构。
优选所述外桶上设有排水控制机构的第二安装孔204，所述排水控制机构的固定座安装在所述外桶底部，所述排水控制机构的固定壳安装在第二安装孔内，固定壳与第二安装孔之间设有密封结构。
优选所述第二安装孔204的上端向内弯折形成一折弯，固定壳409的下端向外弯折形成一折弯，固定壳409伸入第二安装孔204内，固定壳407的上端抵住第二安装孔204的上端的折弯，第二安装孔204的下端抵住固定壳407的下端的折弯，密封套402的第二端405被挤压在第二安装孔204的下端于固定壳407的下端的折弯之间，形成密封，避免该处漏水。
实施例三
如图13所示，本发明中一种节水洗衣机的控制方法，所述洗衣机内桶底部设置锁止孔、和排水口，所述洗衣机外桶底部设置锁止机构和排水控制机构，步骤如下：
步骤一：进入洗涤/漂洗程序，主控板控制锁止机构与锁止孔配合锁止内桶，排水控制机构封堵排水口，进水阀进水至内桶到设定水位或水量，开始洗涤，内桶、外桶之间无水。
接收洗涤/漂洗信号后主控板发出内桶锁止指令，驱动内桶转动使得锁止孔与锁止杆位置对应，控制锁止机构的锁止杆伸入锁止孔，所述锁止杆伸入锁止孔到位后，锁止机构向主控板发出锁定到位信号。或者接收洗涤/漂洗信号后主控板发出内桶锁止指令，驱动内桶转动，控制锁止机构的锁止杆伸出，当锁止孔与锁止杆位置对应时，锁止杆伸入锁止孔，所述锁止杆伸入锁止孔到位后，锁止机构向主控板发出锁定到位信号。
当主控板发出内桶锁止指令并接收到锁定到位信号后，主控板发出关闭排水口指令，控制排水控制机构的阀塞伸出封堵排水口；当主控板发出内桶锁止指令后设定时间内或设定检测次数中未接收到锁止机构发出的锁定到位信号，主控板控制锁止杆回缩复位，并重新发出内桶锁止指令。
当主控板重新发出内桶锁止指令设定次数后，设定时间内或设定检测次数中未接收到锁止机构发出的锁定到位信号，主控板发出报警指令，执行报警。避免出现故障后主控板一直 发出指令，造成零部件的损坏。
步骤二：洗涤/漂洗结束后进入排水程序，主控板控制排水控制机构打开排水口，内桶中大部分水通过排水口排出；洗涤结束后主控板发出打开排水阀指令，并控制排水控制机构的阀塞回缩复位，排水口打开，排水。
步骤三：排水结束后进入脱水程序，主控板控制锁止机构释放内桶，内桶旋转进行脱水。排水结束后主控板发出释放内桶指令，并控制锁止杆回缩，锁止杆回缩复位后，锁止机构发出解锁到位指令，主控板接受到解锁到位指令后控制内桶旋转脱水。
步骤二和步骤三中，主控板控制排水控制机构打开排水口的同时或之前控制锁止机构脱离锁止孔释放内桶。
所述锁止杆为变直径柱体，所述锁止机构对应锁止杆的外侧设置位置开关，锁止杆运动时，当锁止杆伸入锁止孔到位后和锁止杆回缩复位后，锁止杆的不同直径部位与位置开关的触点对应，分别触发位置开关发出相应信号。
所述锁止杆伸入锁止孔到位后，锁止杆的小直径部位对应位置开关，触点释放，位置开关向主控板发出锁定到位信号，所述锁止杆回缩复位后，锁止杆的大直径部对应位置开关的触点，触点被压缩，位置开关向主控板发出解锁到位信号。
或者所述锁止杆伸入锁止孔到位后，锁止杆的大直径部位对应位置开关，触点被压缩，位置开关向主控板发出锁定到位信号，所述锁止杆回缩复位后，锁止杆的小直径部对应位置开关的触点，触点复位，位置开关向主控板发出解锁到位信号。
上述控制方法控制内桶的锁止机构和内桶排水口的排水控制机构的动作顺序，实现内桶和外桶之间无水洗涤，还能实现正常脱水，且上述控制方法控制准确，流畅保证洗衣机节水洗涤。
以上所述仅为本发明的优选实施方式，应当指出，对于本领域的普通技术人员而言，在不脱离本发明原理前提下，还可以做出多种变形和改进，这也应该视为本发明的保护范围。

Claims (10)

  1. 一种节水洗衣机的控制方法，所述洗衣机内桶底部设置锁止孔、和排水口，所述洗衣机外桶底部设置锁止机构和排水控制机构，其特征在于：
    步骤一：进入洗涤/漂洗程序，主控板控制锁止机构与锁止孔配合锁定内桶，排水控制机构封堵排水口，洗衣机进水至内桶到设定水位或水量，开始洗涤，洗涤时内桶、外桶之间无水；
    步骤二：洗涤/漂洗结束后进入排水程序，主控板控制排水控制机构打开排水口，内桶中水通过排水口排出；
    步骤三：排水结束后进入脱水程序，主控板控制锁止机构释放内桶，驱动内桶旋转进行脱水。
  2. 根据权利要求1所述的一种节水洗衣机的控制方法，其特征在于：步骤一中，接收洗涤/漂洗信号后主控板发出内桶锁止指令，驱动内桶转动使得锁止孔与锁止杆位置对应，控制锁止机构的锁止杆伸入至锁止孔内，伸入到位后，锁止机构向主控板发出锁定到位信号。
  3. 根据权利要求2所述的一种节水洗衣机的控制方法，其特征在于：当主控板发出内桶锁止指令并接收到锁定到位信号后，主控板发出关闭排水口指令，排水控制机构的阀塞伸出封堵排水口；当主控板发出内桶锁止指令后设定时间内或设定检测次数中未接收到锁止机构发出的锁定到位信号，主控板控制锁止杆回缩复位，并重新发出内桶锁止指令。
  4. 根据权利要求3所述的一种节水洗衣机的控制方法，其特征在于：当主控板重新发出内桶锁止指令设定次数后，设定时间内或设定检测次数中未接收到锁止机构发出的锁定到位信号，主控板发出报警指令，执行报警。
  5. 根据权利要求1所述的一种节水洗衣机的控制方法，其特征在于：步骤二中，洗涤/漂洗结束后主控板发出打开排水阀指令，排水控制机构的阀塞回缩复位，排水口打开，开始排水。
  6. 根据权利要求1所述的一种节水洗衣机的控制方法，其特征在于：步骤三中，排水结束后主控板发出释放内桶指令，并控制锁止杆回缩，锁止杆回缩复位后，锁止机构发出解锁到位指令，主控板接受到解锁到位指令后控制内桶转动脱水。
  7. 根据权利要求1-6任一所述的一种节水洗衣机的控制方法，其特征在于：所述锁止杆为变直径柱体，所述锁止机构对应锁止杆的外侧设置位置开关，当锁止杆伸入锁止孔到 位后和锁止杆回缩复位后，锁止杆的不同直径部位与位置开关的触点对应，分别触发位置开关发出相应信号。
  8. 根据权利要求7所述的一种节水洗衣机的控制方法，其特征在于：所述锁止杆伸入锁止孔到位后，锁止杆的小直径部位对应位置开关，触点释放，位置开关向主控板发出锁定到位信号，所述锁止杆回缩复位后，锁止杆的大直径部对应位置开关的触点，触点被压缩，位置开关向主控板发出解锁到位信号，或者所述锁止杆伸入锁止孔到位后，锁止杆的大直径部位对应位置开关，触点被压缩，位置开关向主控板发出锁定到位信号，所述锁止杆回缩复位后，锁止杆的小直径部对应位置开关的触点，触点复位，位置开关向主控板发出解锁到位信号。
  9. 根据权利要求1所述的一种节水洗衣机的控制方法，其特征在于：步骤二和步骤三中，主控板控制排水控制机构打开排水口的同时或之前控制锁止机构脱离锁止孔释放内桶。
  10. 一种具有权利要求1-9任一所述控制方法的洗衣机。
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