CN112111910B - Drum washing machine and control method thereof - Google Patents
Drum washing machine and control method thereof Download PDFInfo
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- CN112111910B CN112111910B CN201910531962.2A CN201910531962A CN112111910B CN 112111910 B CN112111910 B CN 112111910B CN 201910531962 A CN201910531962 A CN 201910531962A CN 112111910 B CN112111910 B CN 112111910B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- 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
- D06F23/02—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 horizontal axis
- D06F23/025—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 horizontal axis with a rotatable imperforate tub
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
- D06F37/225—Damping vibrations by displacing, supplying or ejecting a material, e.g. liquid, into or from counterbalancing pockets
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
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- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention provides a drum washing machine and a control method thereof, wherein the drum washing machine comprises: an inner cylinder having a washing chamber capable of independently holding washing water; an inner cylinder water outlet arranged on the inner cylinder; and the resonance drainage device is arranged on the inner cylinder water outlet to keep a normally closed state, and when the rotating speed of the inner cylinder exceeds a certain value, the resonance drainage device opens the inner cylinder water outlet. The resonance drainage device is used for controlling the on-off of the inner cylinder water outlet, the resonance drainage device utilizes the working principle of the washing machine, the inner cylinder rotating speed is crossed in the washing or rinsing stage, resonance is not easy to occur in the resonance drainage device, the resonance drainage device keeps the inner cylinder water outlet in a normally closed state, the inner cylinder is independently used for containing washing water in the washing and rinsing stage, the inner cylinder is controlled to rotate at a high speed when the washing or rinsing stage is needed, the resonance drainage device resonates to perform reciprocating motion, and the inner cylinder water outlet is opened in the reciprocating motion process, so that the inner cylinder water is drained.
Description
Technical Field
The invention relates to the technical field of washing equipment, in particular to a drum washing machine and a control method thereof.
Background
The washing machine is used as a household appliance which is most widely used in daily life of people, helps people get rid of the trouble of washing clothes, and brings great convenience to people. However, the existing washing machine generally comprises an inner cylinder and an outer cylinder, a plurality of dewatering holes are distributed on the wall of the inner cylinder, and in the washing process, washing water between the inner cylinder and the outer cylinder is not utilized, so that waste of the part of washing water is caused, dirt generated in the washing process can be accumulated along with water flow entering between the inner cylinder and the outer cylinder, the washing effect can be influenced due to accumulation of the dirt along with long-time use, and the user experience is reduced.
In order to solve the water saving problem of the washing machine, some patents are also provided, such as patent number 201410215346.3, and Chinese patent invention patent of a drum washing machine is named, the invention relates to a drum washing machine, which comprises a box body, an inner drum and an outer drum are arranged in the box body, a door seal is arranged between the outer drum and the box body, the inner drum is connected with a driving device, the inner drum is a pore-free inner drum, the inner drum is a conical drum with small diameter at the bottom of the drum and large diameter at the opening of the drum, the opening of the inner drum is folded inwards in an arc shape, a water inlet guide pipe is arranged on the door seal, one end of the water inlet guide pipe is connected with a rapid washing water heating device, the other end of the water inlet guide pipe penetrates through the door seal and stretches into the inner drum, and a water outlet and a water pressure detection device are arranged on the outer drum. According to the technical scheme, the inner cylinder is a non-porous inner cylinder, water inlet of the inner cylinder is realized through the water inlet guide pipe arranged on the door seal, and water is discharged in the dehydration process through the shape of the inner cylinder, so that water can be prevented from being stored between the inner cylinder and the outer cylinder, and the water consumption for washing is greatly saved.
Said invention provides a drum washing machine with hole-free inner drum, and solves the problems of waste of water stored between inner drum and outer drum and accumulation of dirt between inner drum and outer drum, but only designs the inner drum of existent drum washing machine into hole-free structure, and its practical significance is very small, and because the inner drum must be rotated to make washing and dewatering, and water must be held, how to implement water discharge of washing machine with hole-free inner drum can be the first difficult problem faced by hole-free inner drum.
In view of this, the present invention has been made.
Disclosure of Invention
In order to solve the above problems, a first aspect of the present invention provides a drum washing machine, specifically, the following technical solution is adopted:
a drum washing machine, comprising:
an inner cylinder having a washing chamber capable of independently holding washing water;
an inner cylinder water outlet arranged on the inner cylinder;
and the resonance drainage device is arranged on the inner cylinder water outlet to keep a normally closed state, and when the rotating speed of the inner cylinder exceeds a certain value, the resonance drainage device opens the inner cylinder water outlet.
Further, the resonance drainage device comprises a drainage channel communicated with the inner cylinder drainage outlet and a resonance component arranged in the drainage channel: the resonance component keeps the drain channel closed to keep the inner barrel drain outlet in a normally closed state, and when the rotating speed of the inner barrel exceeds a certain value, the resonance component conducts the drain channel to open the drain outlet.
Further, the resonance drainage device is arranged on the inner wall of the inner cylinder, the drainage channel is provided with a water inlet and a water outlet communicated with the water outlet of the inner cylinder, the resonance part comprises a resonance block which is arranged in the drainage channel and can reciprocate and a water inlet valve plate connected with the resonance block, the water inlet valve plate keeps the water inlet in a normally closed state, and when the rotating speed of the inner cylinder exceeds a certain value, the resonance block drives the water inlet valve plate to open the water inlet in the reciprocation process.
Further, the drainage channel is a linear channel, and the central axis of the drainage channel is perpendicular to the central axis of the inner cylinder;
or the drainage channel is a circular arc-shaped channel, and the circumference of the drainage channel is concentric with the circumference of the peripheral wall of the inner cylinder.
Further, the resonance block divides the drainage channel into a water absorption space communicated with the water inlet and a drainage space communicated with the water outlet of the inner cylinder, and a communication pore canal which is communicated with the water absorption space and the drainage space is arranged in the resonance block, or a communication pore canal which is communicated with the water absorption space and the drainage space is arranged on the peripheral wall of the drainage channel.
Further, the resonance component comprises a first elastic piece, one end of the first elastic piece is connected with the resonance block, the other end of the first elastic piece is stopped against the inner wall of the drainage channel, and the first elastic piece provides elastic force for the resonance block to enable the resonance block to be kept at a position where the water inlet valve plate keeps a normally closed state.
Further, the resonance component comprises a second elastic piece, one end of the second elastic piece is connected with the resonance block, and the other end of the second elastic piece is connected with the water inlet valve plate.
Further, the resonance part comprises a water outlet valve plate connected with the resonance block, the water outlet valve plate keeps the water outlet in a normally closed state, and when the rotating speed of the inner cylinder exceeds a certain value, the resonance block drives the water outlet valve plate to open the water outlet in the reciprocating process.
Further, the resonance component comprises a third elastic piece and a fourth elastic piece, one end of the third elastic piece is connected with the resonance block, the other end of the third elastic piece is connected with the water inlet valve plate, and the third elastic piece provides elastic force for the resonance block to enable the resonance block to be kept at a position where the water inlet valve plate keeps a normally closed state;
one end of the fourth elastic piece is connected with the resonance block, the other end of the fourth elastic piece is connected with the water outlet valve plate, and the third elastic piece provides elastic force for the resonance block to enable the resonance block to be kept at a position where the water outlet valve plate keeps a normally closed state of the water outlet.
The second object of the present invention is to provide a control method of the drum washing machine, specifically, the following technical scheme is adopted:
a control method of a drum washing machine, comprising: the rotation speed of the inner cylinder is controlled to exceed a set value, and the resonance drainage device opens the water outlet of the inner cylinder to drain water.
The drum washing machine provided by the invention adopts the structural design of the nonporous inner drum, the inner drum independently holds washing water during washing, no water exists between the inner drum and the outer drum, the possibility of dirt adhesion between the inner drum and the outer drum is avoided, the health and the user experience of a user are greatly improved, and the water resource is greatly saved.
The drum washing machine of the invention aims at the structural characteristics of the nonporous inner drum, the drum wall of the inner drum is not provided with a dehydration hole, and only provided with a fixed inner drum water outlet, and the embodiment realizes the on-off control of the inner drum water outlet through the resonance water outlet arranged on the inner drum water outlet, thereby controlling the water outlet of the inner drum.
The resonance drainage device is used for controlling the on-off of the inner cylinder water outlet, the resonance drainage device utilizes the working principle of the washing machine, the inner cylinder rotating speed is crossed in the washing or rinsing stage, resonance is not easy to occur in the resonance drainage device, the resonance drainage device keeps the inner cylinder water outlet in a normally closed state, the inner cylinder is independently used for containing washing water in the washing and rinsing stage, the inner cylinder is controlled to rotate at a high speed when the washing or rinsing stage is needed, the resonance drainage device resonates to perform reciprocating motion, and the inner cylinder water outlet is opened in the reciprocating motion process, so that the inner cylinder water is drained.
Drawings
FIG. 1 is a sectional view of a drum washing machine according to an embodiment of the present invention;
FIG. 2 is a front view of a drum washing machine according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a resonance drainage device of a drum washing machine according to an embodiment of the present invention;
FIG. 4 is a schematic view of a resonant drain device of a drum washing machine according to an embodiment of the present invention;
fig. 5 is a partial enlarged view of an inner tub shaft of a drum washing machine according to an embodiment of the present invention.
Detailed Description
The drum washing machine and the control method thereof according to the present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1-5, the present embodiment provides a structural design of a drum washing machine with a non-porous inner drum, in which the inner drum independently holds washing water during washing, and no water exists between the inner drum and the outer drum, so that the possibility of dirt adhesion between the inner drum and the outer drum is avoided, the health and the user experience of users are greatly improved, and the water resource is greatly saved.
The drum washing machine of the present embodiment has a casing 1, the casing 1 including: top deck 2, front deck, back deck and bottom deck. A foot 9 is fixed on the bottom plate for supporting the whole washing machine. The housing 1 has an outer tube 18 inside, and an inner tube 17 is coaxially provided in the outer tube 18. The outer cylinder 18 is mainly used for collecting the drainage of the inner cylinder 17 and the drainage of the inner cylinder 17 through high-speed centrifugal dehydration, the outer cylinder 18 is connected with a drainage pipeline 8, and a drainage control device for controlling the on-off of the drainage pipeline 8 is arranged on the drainage pipeline 8 and is a drainage pump or a drainage valve. The inner drum 17 rotates, preferably with lifting ribs, to continuously lift, drop and beat the laundry, so as to wash the laundry. The inner barrel 17 is of non-porous construction. The outer tube 18 has a central mounting hole to which the bearing 12 is mounted and secured. An inner cylinder shaft 13, which is fixedly connected to an inner cylinder 17, passes through the bearing 12 shown and is connected to a drive motor 16. An openable/closable inner cylinder door 6 is arranged on the front cylinder opening of the inner cylinder 17, so that the inner cylinder 17 is of a sealed cabin structure.
The casing 1 of the present embodiment is provided with an openable/closable door 5.
Further, in order to realize drainage of the non-porous inner tub, a drum washing machine includes:
an inner tub 17 having a washing chamber capable of independently holding washing water;
an inner cylinder drain port 19 provided in the inner cylinder 17;
the resonance water drain device 4 is installed on the inner cylinder water drain 19 to keep the normally closed state, and when the rotation speed of the inner cylinder 17 exceeds a certain value, the resonance water drain device 4 opens the inner cylinder water drain.
The drum washing machine of this embodiment is to the structural feature of the hole-free inner tube, no longer set up the dehydration hole on the tube wall of the inner tube, only set up the fixed inner tube water outlet 19, this embodiment realizes the on-off control to the inner tube water outlet 19 through setting up the resonance drainage device 4 on the inner tube water outlet 19, thus control the drainage of the inner tube.
The resonance drainage device 4 is adopted to control the on-off of the inner cylinder water outlet 19 in the embodiment, the resonance drainage device 4 utilizes the working principle of the washing machine, the inner cylinder rotates at the bottom in the washing or rinsing stage, resonance is not easy to occur in the resonance drainage device 4, the resonance drainage device 4 keeps the inner cylinder water outlet 19 in a normally closed state, the inner cylinder can independently hold washing water in the washing and rinsing stage, when the water is required to be drained or in the dewatering stage, the inner cylinder 17 is controlled to rotate at a high speed, the resonance drainage device resonates to reciprocate, and the inner cylinder water outlet is opened in the reciprocating motion process, so that the inner cylinder water is drained.
As an implementation manner of the present embodiment, the resonant drain device 4 according to the present embodiment includes a drain channel 402 communicating with the inner cylinder drain port and a resonant member provided in the drain channel 402: the resonance member keeps the drain passage 402 closed to keep the inner cylinder drain opening 19 in a normally closed state, and when the rotational speed of the inner cylinder 17 exceeds a certain value, the resonance member turns on the drain passage 402 to open the drain opening.
In order to realize that the resonance component of the resonance drainage device 4 can perform reciprocating motion with the inner cylinder resonance, the resonance drainage device 4 in this embodiment is arranged on the inner wall of the inner cylinder 17, the drainage channel 402 is provided with a water inlet 404 and a water outlet 410 communicated with the inner cylinder water outlet 19, the resonance component comprises a resonance block 406 which is arranged in the drainage channel and can reciprocate and a water inlet valve plate 403 connected with the resonance block 406, the water inlet valve 403 keeps the water inlet 404 in a normally closed state, and when the rotating speed of the inner cylinder 17 exceeds a certain value, the resonance block 406 drives the water inlet valve plate 403 to open the water inlet in the reciprocating motion process.
Further, the drainage channel 402 is a straight channel, and the central axis of the drainage channel 402 is perpendicular to the central axis of the inner cylinder 17.
Alternatively, the drain channel 402 is a circular arc channel, and the circumference of the drain channel 402 is concentric with the circumference of the peripheral wall of the inner cylinder 17.
The arrangement of the drainage channel 402 in this embodiment makes the inner cylinder 17 reciprocate in the drainage channel 403 along with the resonance of the inner cylinder when rotating at high speed, so as to drive the water inlet valve plate 403 to open the water inlet 404.
Further, in this embodiment, the resonance block 406 partitions the drainage channel 402 into a water absorbing space communicated with the water inlet and a drainage space communicated with the water outlet of the inner cylinder, and the resonance block 406 is provided with a communication duct 407 penetrating the water absorbing space and the drainage space, or the peripheral wall of the drainage channel 402 is provided with a communication duct penetrating the water absorbing space and the drainage space.
As shown in fig. 3, the resonance component in this embodiment includes a first elastic member 408, one end of the first elastic member 408 is connected to the resonance block 406, and the other end of the first elastic member is abutted against the inner wall of the drainage channel 402, and the first elastic member 408 provides an elastic force for the resonance block 406 to keep the resonance block 406 at a position where the water inlet valve plate 403 keeps the water inlet 404 normally closed.
A limiting portion 409 is disposed in the drainage space of the drainage channel 402 in this embodiment, and one end of the first elastic member 408 abuts against the limiting portion 409.
Further, the resonance component includes a second elastic member 405, one end of the second elastic member 405 is connected to the resonance block 406, and the other end is connected to the water inlet valve plate 403. The second elastic member 405 is in a compressed state to provide an elastic force to the water inlet valve plate 403 to keep the water inlet 404 closed.
As shown in fig. 4, the resonance component includes a water outlet valve plate 411 connected to the resonance block, the water outlet valve plate 411 keeps the water outlet in a normally closed state, and when the rotational speed of the inner cylinder exceeds a certain value, the resonance block drives the water outlet valve plate 411 to open the water outlet in the reciprocating process.
Further, the resonance component includes a third elastic member 412 and a fourth elastic member 413, one end of the third elastic member 412 is connected to the resonance block 406, the other end is connected to the water inlet valve block 403, and the third elastic member 412 provides an elastic force for the resonance block 406 to keep the resonance block 406 in a position where the water inlet valve block 403 keeps a normally closed state of the water inlet 404;
one end of the fourth elastic member 413 is connected to the resonance block, the other end is connected to the water outlet valve plate 411, and the third elastic member 413 provides elastic force for the resonance block 406 to keep the resonance block at a position where the water outlet valve plate 411 keeps the water outlet 410 in a normally closed state.
The first elastic member 408, the second elastic member 405, the third elastic member 412, and the fourth elastic member 413 described in the present embodiment are all uncompressed coil spring assemblies.
Preferably, the resonance drainage device 4 of the present embodiment is disposed inside a lifting device mounted on the inner cylinder wall, and the lifting device is provided with a spray hole communicated with the inside.
In order to realize water inflow into the nonporous inner cylinder of the embodiment, the drum washing machine of the embodiment comprises a driving motor 16 and an inner cylinder shaft 13, wherein the driving motor 16 is in transmission connection with the inner cylinder 17 through the inner cylinder shaft 13 to drive the inner cylinder 17 to rotate, a hollow channel 21 communicated with the inner cylinder 17 is formed in the inner cylinder shaft 13, and a water inflow pipeline 21 of the washing machine is communicated with the hollow channel 21 of the inner cylinder shaft 20.
Specifically, the inner cylinder shaft 13 is connected with a driving motor 16, the driving motor 16 comprises a stator and a rotor, and the rotor is fixedly connected with the inner cylinder shaft 13; the center of the rotor is provided with a through hole, and the water inlet pipeline 21 penetrates through the through hole of the rotor and is communicated with the hollow channel 14 of the inner cylinder shaft 13.
Further, a first dynamic sealing structure 15 is arranged between the water inlet pipeline 21 and the through hole of the rotor, and a second sealing structure is arranged between the through hole of the rotor and the hollow channel 14 of the inner cylinder shaft 13.
The problem of how to accurately determine the water inflow of the pore-free inner barrel drum washing machine is solved at the same time, and the specific scheme is as follows:
the drum washing machine comprises an inner drum 17 and a water inlet pipeline 21 communicated with the inner drum 17, wherein the inner drum 17 is a non-porous inner drum, washing water is contained in washing clothes, and a flow sensor 1 for detecting water inlet flow is arranged on the water inlet pipeline 21.
In this embodiment, a flow sensor is provided on the water inlet pipe 21 to monitor the flow rate of water when water is fed, and when the set water feed rate is reached, the water inlet valve 20 is closed to complete water feeding. The flow sensor is adopted in the embodiment, so that the problem of water inflow of the pore-free inner barrel drum washing machine according to the set water level is solved, the washing effect is ensured, the structure is simple, and the control is convenient.
Further, the drum washing machine of this embodiment includes a water inlet valve 20 and a detergent box 3, the water inlet pipe includes a first water inlet pipe and a second water inlet pipe, the outlet end of the water inlet valve 20 is communicated with the detergent box 3 through the first water inlet pipe, the outlet end of the detergent box 3 is communicated with the inner drum 17 through the second water inlet pipe, and the flow sensor is disposed on the first water inlet pipe or the second water inlet pipe.
As an implementation manner of this embodiment, the flow sensor is a rotor flow sensor, a turbine flow sensor, an ultrasonic flow sensor, an electromagnetic flow sensor, or an orifice plate flow sensor.
As shown in fig. 5, the embodiment also solves the problem of how to ensure the unbalanced air pressure of the sealed cabin of the non-porous inner cylinder drum washing machine, specifically, the sudden water interruption of the electromagnetic valve, especially the tap water pipe network, forms negative pressure, and washes back the washing water in the sealed cabin to the pipe network; or the gas exists in the water tank, and the water is difficult to enter.
The drum washing machine of the embodiment comprises an inner drum 17, wherein the inner drum 17 is a non-porous inner drum, and is used for containing washing water when washing clothes, and the drum washing machine further comprises an air pressure balancing mechanism 27 for communicating the inner drum 17 with the external environment to balance the air pressure inside the inner drum.
When water is fed, the air in the sealed cabin of the inner cylinder is pressurized and overflows through the balance mechanism, so that air pressure balance is ensured.
When water is suddenly cut off, the external atmosphere can rapidly enter the sealed cabin of the inner cylinder, reverse suction is destroyed, air pressure balance is ensured, and washing water is prevented from being sucked into a tap water pipe network.
The air pressure balance mechanism can ensure the air pressure balance of the inner cylinder when other materials are dehydrated.
As an implementation manner of this embodiment, the air pressure balancing mechanism includes a pressure equalizing hole channel disposed on the inner cylinder 17, where one end of the pressure equalizing hole channel, which is connected to the inner cylinder 17, is disposed on the inner cylinder 17 near the rotation center axis and is always higher than the highest water level position in the inner cylinder 17.
Specifically, the pressure equalizing pore canal is arranged on the inner cylinder shaft 13 to communicate the inside of the inner cylinder 17 with the external environment, and the highest water level in the inner cylinder 17 is lower than the inner cylinder shaft 13. Thus, the water in the inner cylinder can be prevented from flowing out from the pressure equalizing pore canal.
The pressure equalizing duct in this embodiment includes a first duct section and a second duct section, the first duct section is disposed parallel to the hollow passage, one end of the first duct section is communicated with the inside of the inner cylinder, one end of the second duct section is communicated with the first duct section, and the other end of the second duct section extends to the peripheral wall of the inner cylinder shaft to be communicated with the inside of the outer cylinder. Preferably, the second duct section is perpendicular to the first duct section to form an L-shaped pressure equalizing duct.
The embodiment also provides a control method of the drum washing machine, which comprises the following steps:
the rotation speed of the inner cylinder is controlled to exceed a set value, and the resonance drainage device opens the water outlet of the inner cylinder to drain water.
In the resonant drainage device of this embodiment, the resonant block 406 reciprocates at a certain frequency, and water is continuously absorbed from the inner cylinder by providing the water inlet valve plate 403, and is continuously discharged out of the inner cylinder. The resonance block 406 divides the drainage channel 402 into a water absorption space and a drainage space, which are communicated through a communication pore 407 in the resonance block 406, and for facilitating resonance reciprocating motion, both ends of the mass block are respectively supported by compression coil spring assemblies.
In normal washing and rinsing, the rotating speed is low, only 60 revolutions per minute or less, the reciprocating motion of the resonance block 406 is very small, resonance is not easy to form, and water cannot enter the drainage channel.
The resonance block 406 reciprocates at a certain frequency, and water is continuously absorbed from the inner cylinder by arranging the water inlet valve plate 403 and is continuously discharged out of the inner cylinder by arranging the water outlet valve plate 411. The resonance block 406 divides the drainage channel 402 into a water suction space and a drainage space, which are communicated through a communication duct 407 in the resonance block 406. To facilitate the resonant reciprocation, the ends of the mass are supported by compression coil spring assemblies, respectively.
When the water is dehydrated and drained, the rotating speed is high, at least 100 revolutions per minute or more, even up to 160000 revolutions per minute or more, the reciprocating frequency of the mass block is high, resonance is formed, the valve plate is further continuously opened, the valve plate is closed, water is continuously fed and drained, and the drainage of the inner cylinder is realized.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.
Claims (8)
1. A drum washing machine, comprising:
an inner cylinder having a washing chamber capable of independently holding washing water;
an inner cylinder water outlet arranged on the inner cylinder;
the resonance drainage device is arranged on the inner cylinder water outlet to keep a normally closed state, and when the rotating speed of the inner cylinder exceeds a certain value, the resonance drainage device opens the inner cylinder water outlet;
the resonance drainage device comprises a drainage channel communicated with the inner cylinder drainage outlet and a resonance component arranged in the drainage channel: the resonance component keeps the drain channel closed to keep the inner cylinder drain outlet in a normally closed state, and when the rotating speed of the inner cylinder exceeds a certain value, the resonance component conducts the drain channel to open the drain outlet;
the resonance drainage device set up on the inner wall of inner tube, the drainage passageway have water inlet and the delivery port that is linked together with the inner tube outlet, resonance part including setting up but the resonance piece of reciprocating motion in the drainage passageway and the valve block of intaking that is connected with the resonance piece, the valve block of intaking keep the water inlet in normally closed state, when the inner tube rotational speed exceeds a definite value, the valve block of intaking is driven to the in-process of resonance piece reciprocating motion opens the water inlet.
2. The drum type washing machine as claimed in claim 1, wherein the drain passage is a straight passage, and a central axis of the drain passage is perpendicular to a central axis of the inner tub;
or the drainage channel is a circular arc-shaped channel, and the circumference of the drainage channel is concentric with the circumference of the peripheral wall of the inner cylinder.
3. The drum washing machine as claimed in claim 1, wherein the resonance block partitions the drain passage into a water suction space communicated with the water inlet and a drain space communicated with the drain outlet of the inner drum, and a communication duct penetrating the water suction space and the drain space is provided in the resonance block, or a communication duct penetrating the water suction space and the drain space is provided on a peripheral wall of the drain passage.
4. A drum washing machine as claimed in any one of claims 1 to 3, wherein the resonance member comprises a first elastic member, one end of the first elastic member is connected to the resonance block, the other end of the first elastic member is stopped against the inner wall of the drainage channel, and the first elastic member provides an elastic force for the resonance block to maintain the resonance block at a position where the water inlet valve plate maintains a normally closed state of the water inlet.
5. A drum washing machine as claimed in claim 3, wherein the resonance member comprises a second elastic member, one end of which is connected to the resonance block, and the other end of which is connected to the water inlet valve plate.
6. A drum washing machine according to any one of claims 1 to 3, wherein the resonance member comprises a water outlet valve plate connected with the resonance block, the water outlet valve plate keeps the water outlet in a normally closed state, and when the rotation speed of the inner drum exceeds a certain value, the resonance block drives the water outlet valve plate to open the water outlet in the reciprocating process.
7. The drum type washing machine as claimed in claim 6, wherein the resonance part comprises a third elastic member and a fourth elastic member, one end of the third elastic member is connected with the resonance block, the other end is connected with the water inlet valve plate, and the third elastic member provides elastic force for the resonance block to maintain the resonance block at a position where the water inlet valve plate maintains a normally closed state;
one end of the fourth elastic piece is connected with the resonance block, the other end of the fourth elastic piece is connected with the water outlet valve plate, and the third elastic piece provides elastic force for the resonance block to enable the resonance block to be kept at a position where the water outlet valve plate keeps a normally closed state of the water outlet.
8. A control method of a drum washing machine as claimed in any one of claims 1 to 7, comprising: the rotation speed of the inner cylinder is controlled to exceed a set value, and the resonance drainage device opens the water outlet of the inner cylinder to drain water.
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| CN201910531962.2A CN112111910B (en) | 2019-06-19 | 2019-06-19 | Drum washing machine and control method thereof |
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| CN201910531962.2A CN112111910B (en) | 2019-06-19 | 2019-06-19 | Drum washing machine and control method thereof |
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| CN112111910A CN112111910A (en) | 2020-12-22 |
| CN112111910B true CN112111910B (en) | 2023-06-13 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000342884A (en) * | 1999-06-09 | 2000-12-12 | Sanyo Electric Co Ltd | Washing machine |
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| CN112111910A (en) | 2020-12-22 |
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Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. Applicant before: QINGDAO HAIER JOINT STOCK Co.,Ltd. |
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Effective date of registration: 20230510 Address after: Room 221, Sino German Ecological Park Management Committee, No. 2877, Tuanjie Road, Huangdao District, Qingdao, Shandong 266500 Applicant after: QINGDAO HAIER WASHING ELECTRIC APPLIANCES Co.,Ltd. Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. Applicant before: Haier Zhijia Co.,Ltd. |
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