CN112481926B - Washing equipment and method for judging drum unlocking of washing equipment - Google Patents
Washing equipment and method for judging drum unlocking of washing equipment Download PDFInfo
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- CN112481926B CN112481926B CN201910769288.1A CN201910769288A CN112481926B CN 112481926 B CN112481926 B CN 112481926B CN 201910769288 A CN201910769288 A CN 201910769288A CN 112481926 B CN112481926 B CN 112481926B
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- 238000005406 washing Methods 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- D06F37/30—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
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
-
- 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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/38—Time, e.g. duration
-
- 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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/44—Current or voltage
- D06F2103/46—Current or voltage of the motor driving the drum
-
- 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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry 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
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/47—Responding to irregular working conditions, e.g. malfunctioning of pumps
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- 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
- D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention discloses washing equipment and a method for judging drum unlocking of the washing equipment. The invention provides a method for judging the unlocking of a roller of washing equipment, wherein a roller motor outputs and drives the roller to rotate at set power until the output current of the roller motor is less than the set current, and a locking structure is judged to unlock the roller; the output current of the drum motor is compared with the set current until the output current of the drum motor is smaller than the set current, the drum is judged to be unlocked by the locking structure, and whether the drum is unlocked by the locking structure can be accurately judged by the judgment, so that the accuracy of unlocking the drum can be improved; the invention also provides washing equipment, which comprises a roller for containing washing water and a roller motor for driving the roller to rotate, wherein the washing equipment is provided with a locking structure for unlocking the roller.
Description
Technical Field
The invention belongs to the field of household appliances, and particularly relates to a washing device and a method for judging unlocking of a drum of the washing device.
Background
At present, drum washing machines which are commonly used are of a side-opening type, but when the drum washing machines are used, users need to bend down or crouch down to put clothes into the drum from a side door of the washing machines or take the clothes out of the drum, and the use experience of the users (especially for old people) is affected.
For this reason, top-opening drum washing machines are used. The drum is also provided at a circumferential direction thereof with a drum door corresponding to the top-open door of the washing machine, and is unlocked when the drum door is rotated to a position corresponding to the top-open door. CN02160752.4 discloses an automatic positioning method and device for drum door of drum washing machine, which adopts the method that when the drum stops rotating after the original washing procedure is finished or interrupted, the position of the drum door of the washing machine is measured by a position measuring device, and when the drum door is measured to be at the normal opening position, the motor driving the drum to rotate is kept at the stop state; when the drum door is not at the normal opening position, the motor is started to operate at a low speed until the position measuring device detects that the drum door is at the normal opening position, and the motor is stopped to rotate. According to the automatic positioning method and the device for the drum door, disclosed by the invention, the drum door of the drum washing machine can be automatically positioned at the normal opening position after the automatic washing is finished, so that the use of the washing machine is more humanized and convenient. CN03105194.4 discloses a drum type washing machine in which the rotational position of a drum is fixed with a simple structure. An engagement groove portion is provided at an outer peripheral portion of a rotor of an external gear type motor directly connected to a main shaft of a drum, and a drum unlocking means is provided directly below the shaft. The drum unlocking device has a structure that the unlocking pin moves in the up-and-down direction along with the rotation of the torque motor, and the drum is unlocked at the unlocking position by the unlocking pin advancing to be embedded with the slot hole of the engagement groove part.
The present invention has been made in view of this situation.
Disclosure of Invention
The invention provides washing equipment and a method for judging drum unlocking of the washing equipment, aiming at overcoming the defect of low accuracy of drum unlocking in the prior art.
In order to solve the technical problems, the invention adopts the technical scheme that:
in one aspect of the present invention, a method for determining drum unlocking of a washing device is provided, in which a drum motor for driving a drum to rotate and a locking structure are installed on the washing device, the drum motor drives the drum to rotate at a set power output until an output current of the drum motor is smaller than a set current, and it is determined that the drum is unlocked by the locking structure.
Further, the locking structure generates an unlocking action of unlocking the roller, the roller motor outputs with set power to drive the roller to rotate, and after the roller rotates for a certain time t, the output current of the roller motor is detected to obtain the output current I of the roller motor1；
If I1＜I0+ a, a is a set value, I0The locking structure unlocks the roller if the rated current of the roller motor is obtained; if I1＞I0+ a, the locking structure fails to unlock the drum.
Further, the roller motor is driven to rotate at a set power output, the locking structure generates an unlocking action for unlocking the roller, and after the roller rotates for a certain time t, the output current of the roller motor is detected to obtain the output current I of the roller motor1；
If I1＜I0+ a, a is a set value, I0The locking structure unlocks the roller if the rated current of the roller motor is obtained; if I1＞I0+ a, the locking structure fails to unlock the drum.
Furthermore, the locking structure comprises a lock tongue and a locking motor for driving the lock tongue to stretch and retract in the radial direction, and a rotor of the drum motor is provided with a locking groove;
after the roller rotates for a certain time t, the locking motor drives the lock tongue to be separated from the locking groove, the lock tongue resets, and the locking structure unlocks the roller;
preferably, after the lock tongue is separated from the locking groove, the output power of the drum motor is increased, the rotating speed of the drum is increased, the washing equipment starts to execute any one or any combination of the washing program, the rinsing program and the dewatering program, the locking motor is powered off, and the locking motor stops working.
Further, the method can be used for preparing a novel materialS1, the locking structure generates an unlocking action for unlocking the roller, the roller motor drives the roller to rotate at a set power output, and after the roller rotates for a certain time t, the output current of the roller motor is detected to obtain the output current value I of the roller motor1；
S2, adjusting the output current value I of the roller motor1Compared with the set current value, if I1＜I0+ a, go to step S3; if I1＞I0+ a, go to step S5;
s3, judging that the locking motor drives the lock tongue to be separated from the locking groove, the lock tongue resets, and the locking structure unlocks the roller, and executing the step S4;
s4, after the bolt is separated from the locking groove, the output power of the drum motor is increased, the rotating speed of the drum is increased, the washing equipment starts to execute any one or any combination of the washing program, the rinsing program and the dewatering program, the locking motor is powered off, and the locking motor stops working;
s5, the roller motor drives the roller to rotate continuously with the set power output, and step S1 is executed again.
Further, S1, the roller motor drives the roller to rotate at the set power output, the locking structure generates an unlocking action for unlocking the roller, and after the roller rotates for a certain time t, the output current of the roller motor is detected to obtain the output current value I of the roller motor1；
S2, adjusting the output current value I of the roller motor1Comparing with the set current value, if I1＜I0+ a, go to step S3; if I1＞I0+ a, go to step S5;
s3, judging that the locking motor drives the lock tongue to be separated from the locking groove, the lock tongue resets, and the locking structure unlocks the roller, and executing the step S4;
s4, after the bolt is separated from the locking groove, the output power of the drum motor is increased, the rotating speed of the drum is increased, the washing equipment starts to execute any one or any combination of the washing program, the rinsing program and the dewatering program, the locking motor is powered off, and the locking motor stops working;
s5, the roller is driven to rotate by the roller motor with the set power output, and step S1 is executed again.
Further, after the locking structure fails to unlock the drum, if the failure frequency of the locking structure to unlock the drum is detected to exceed the set frequency, the locking structure stops unlocking, and the washing equipment sends out an alarm signal.
Another object of the present invention is to provide a washing apparatus to achieve the object of providing accuracy of drum unlocking. The technical scheme is that the washing equipment comprises a roller for containing washing water and a roller motor for driving the roller to rotate, and a locking structure for unlocking the roller is arranged on the washing equipment.
Further, the drum is a sealed container for containing washing water when the washing device executes a washing program.
Further, the drum is rotatably mounted in an outer drum of the washing device, and the locking structure is mounted on the outer drum bottom; the locking structure comprises a lock tongue and a locking motor for driving the lock tongue to stretch out and draw back in the radial direction, a locking groove matched with the lock tongue is formed in a rotor of the drum motor, and the lock tongue is driven by the locking motor to be inserted into or separated from the locking groove.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
1. According to the method for judging the drum unlocking of the washing equipment, the drum motor for driving the drum to rotate and the locking structure are installed on the washing equipment, the drum motor outputs the set power to drive the drum to rotate until the output current of the drum motor is smaller than the set current and the set value, the locking structure is judged to unlock the drum, and the accuracy of unlocking the drum can be improved through the judgment.
2. The invention provides a method for judging the drum unlocking of washing equipment, if the output current I of a drum motor1< setting Current I0+ a, the locking structure has locked the drum; if the output of the drum motorCurrent I1Greater than the set current I0+ a, the locking structure fails to lock the drum.
3. The drum of the washing equipment provided by the invention is a sealed container for containing washing water when the washing equipment executes a washing program, the drum can be rotatably arranged in the outer drum of the washing equipment, and the locking structure is arranged on the outer drum.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments and that for a person skilled in the art, other drawings can also be derived from them without inventive effort. In the drawings:
fig. 1 is a flowchart of a method for determining unlocking of a drum of a washing apparatus according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for determining unlocking of a drum of a washing machine according to another embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a washing apparatus according to an embodiment of the present invention;
fig. 4 is an enlarged view of fig. 3 at a.
In the figure: 1-outer cylinder; 101-outer cylinder bottom; 2-a locking structure; 201-locking the motor; 202-a locking tongue; 3-a drum motor; 301-a rotor; 302-locking groove.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, in one aspect of the present invention, a method for determining drum unlocking of a washing device is provided, in which a drum motor 3 for driving a drum to rotate and a locking structure 2 are installed on the washing device, the drum motor 3 drives the drum to rotate at a set power output until an output current of the drum motor 3 is less than a set current and a set value, and it is determined that the drum is unlocked by the locking structure 2.
In the embodiment of the invention, in the above technical solution, the locking structure 2 on the washing device is used for unlocking the drum from the locking position of the drum, the locking structure 2 generates an unlocking action for unlocking the drum, the drum motor 3 drives the drum to rotate at a set power output until the output current of the drum motor 3 is less than a set current, it is determined that the drum is unlocked by the locking structure 2, and it can be accurately determined whether the drum is unlocked by the locking structure 2 through the determination, so that the accuracy of unlocking the drum can be improved;
in the above solution, the locking structure 2 unlocks the drum from the drum locking position, which is the position of the drum door at the normal opening position; the drum motor 3 drives the drum to rotate at an ultra-low speed with a small set power output.
As shown in fig. 1, in the embodiment of the present invention, the locking structure 2 generates an unlocking action for unlocking the drum, the drum motor 3 drives the drum to rotate at a set power output, and after the drum rotates for a certain time t, the output current of the drum motor 3 is detected to obtain the output current I of the drum motor 31；
If I1＜I0+ a, a is a set value, I0The locking structure 2 unlocks the roller for the rated current of the roller motor; if I1＞I0+ a, the locking structure 2 fails to unlock the drum.
In the embodiment of the invention, how to judge whether the roller is unlocked from the locking position of the roller or not is provided, in the technical scheme, the locking structure 2 firstly generates an unlocking action for unlocking the roller, the roller motor 3 then drives the roller to rotate at a set power output, the output current of the roller motor 3 is detected after the roller rotates for a certain time t, when the output current of the roller motor 3 is less than the sum of the set current and a set value, the locking structure 2 already unlocks the roller, and when the output current of the roller motor 3 is greater than the sum of the set current and the set value, the locking structure 2 fails to unlock the roller, through the comparison, the roller can be accurately determined to be unlocked, and the unlocking accuracy of the roller motor 3 is improved.
As shown in fig. 2, in the embodiment of the present invention, the drum motor 3 drives the drum to rotate at a set power output, the locking structure 2 generates an unlocking action for unlocking the drum, and after the drum rotates for a certain time t, the output current of the drum motor 3 is detected to obtain the output current I of the drum motor 31；
If I1＜I0+ a, a is a set value, I0The locking structure 2 unlocks the roller for the rated current of the roller motor; if I1＞I0+ a, the locking structure fails to unlock the drum.
In the embodiment of the invention, how to judge whether the roller is unlocked from the locked position of the roller or not is carried out, in the technical scheme, the roller motor 3 is started firstly, the roller motor drives the roller to rotate at the set power output, after the locking structure 2 generates the unlocking action for unlocking the roller, the roller motor drives the roller to rotate at the set power output for a certain time t, the output current of the roller motor 3 is detected, when the output current of the roller motor 3 is less than the sum of the set current and the set value, the locking structure 2 unlocks the roller, and when the output current of the roller motor 3 is greater than the sum of the set current and the set value, the locking structure 2 fails to unlock the roller.
As shown in fig. 1 and fig. 2, in the embodiment of the present invention, the locking structure 2 includes a locking tongue 202 and a locking motor 201 for driving the locking tongue 202 to extend and retract radially, and a locking groove 302 is formed on a rotor 301 of the drum motor 3;
after the drum rotates for a certain time t, the locking motor 201 drives the locking bolt 202 to be separated from the locking groove 302, the locking bolt 202 resets, and the locking structure 2 unlocks the drum;
preferably, after the latch 202 is disengaged from the locking groove 302, the output power of the drum motor 3 is increased, the rotation speed of the drum is increased, the washing device starts to execute any one or any combination of the washing program, the rinsing program and the dewatering program, and the locking motor 201 is powered off, so that the locking motor 201 stops operating.
In the embodiment of the present invention, the locking motor 201 drives the locking tongue 202 to disengage from the locking groove 302 and the locking tongue 202 returns to the original position, the locking structure 2 stops unlocking the drum, the drum disengages from the locking position of the drum, the output power of the drum motor 3 increases, the output power of the drum motor 3 is greater than the set power of the drum motor 3, so that the rotating speed of the drum rotates increases, then the washing device starts to execute any one or any combination of the washing program, the rinsing program and the dewatering program, and at the same time, the locking motor 201 is powered off and the locking motor 201 stops operating.
In the embodiment of the invention, after the locking structure 2 fails to unlock the roller, the roller motor 3 drives the roller to rotate continuously at the set power output, and whether the locking structure 2 unlocks the roller is determined again.
In the embodiment of the present invention, after the locking structure 2 fails to unlock, in order to enable the drum to leave the locking position of the drum, the washing apparatus can perform a washing process, a rinsing process, a spin-drying process, etc., and the locking structure 2 re-unlocks the drum, increasing the probability of success of the locking structure 2 unlocking the drum.
It should be noted that, the drum motor 3 and the lock motor 201 are controlled by the controller, the controller controls the drum motor 3 to start rotating, increase output power, and the like, and the controller controls the lock motor 201 to start, and controls the lock motor 201 to drive the lock tongue 202 to extend and retract.
As shown in fig. 1, in the embodiment of the present invention, S1, the locking structure 2 generates an unlocking operation for unlocking the drum, the drum motor 3 drives the drum to rotate at a set power output, and after the drum rotates for a certain time t, the output current of the drum motor 3 is detected to obtain the output current value I of the drum motor 31；
S2, adjusting the output current value I of the roller motor 31Comparing with the set current value, if I1＜I0+ a, go to step S3; if I1＞I0+ a, go to step S5;
s3, judging that the locking motor 201 drives the locking tongue 202 to be separated from the locking groove 302, the locking tongue resets, the locking structure 2 unlocks the roller, and then the step S4 is executed;
s4, after the bolt 202 is separated from the locking groove 302, the output power of the drum motor 3 is increased, the rotating speed of the drum is increased, the washing equipment starts to execute any one or any combination of the washing program, the rinsing program and the dewatering program, the locking motor 201 is powered off, and the locking motor 201 stops working;
s5, the roller motor 3 drives the roller to rotate continuously with the set power output, and step S1 is executed again.
In an embodiment of the invention, the method for determining the unlocking of the drum of the washing equipment comprises the following steps:
the starting program of the washing machine is started, the drum motor 3 receives the starting command, and the locking structure 2 firstly generates the advance to the drumUnlocking the cylinder, starting the cylinder motor 3 to drive the cylinder to rotate with the set power output, detecting the output current of the cylinder motor after the cylinder rotates for a certain time t, and obtaining the output current value I of the cylinder motor1(ii) a When the output current value of the drum motor is smaller than the sum of the set current value and the set value, it is determined that the locking motor 201 drives the lock tongue 202 to be separated from the locking groove 302, and the locking structure 2 unlocks the drum; after the lock tongue 202 is separated from the locking groove 302, the output power of the drum motor 3 is increased, so that the rotating speed of the drum is increased, the washing equipment starts to execute a washing program, a rinsing program, a dewatering program and the like, and meanwhile, the locking motor 201 is powered off, and the locking motor 201 stops working; when the output current value of the drum motor 3 is greater than the sum of the set current value and the set value, the drum unlocking by the locking structure 2 fails, the drum motor 2 drives the drum to continuously rotate at the set power output, and the drum unlocking condition is judged again.
As shown in fig. 2, in the embodiment of the present invention, S1, the drum motor 3 drives the drum to rotate at the set power output, the locking structure 2 generates the unlocking action for unlocking the drum, and after the drum rotates for a certain time t, the output current of the drum motor 3 is detected to obtain the output current value I of the drum motor 31；
S2, adjusting the output current value I of the roller motor 31Compared with the set current value, if I1＜I0+ a, go to step S3; if I1＞I0+ a, go to step S5;
s3, judging that the locking motor 201 drives the bolt 202 to be separated from the locking groove 302, the bolt 202 resets, and the locking structure 2 unlocks the roller, then executing the step S4;
s4, after the bolt 202 is separated from the locking groove 302, the output power of the drum motor 3 is increased, the rotating speed of the drum is increased, the washing equipment starts to execute any one or any combination of the washing program, the rinsing program and the dewatering program, the locking motor 201 is powered off, and the locking motor 201 stops working;
s5, the roller is driven to rotate by the roller motor with the set power output, and step S1 is executed again.
In the practice of the inventionIn the embodiment, the roller motor 3 receives a starting command, the roller motor 3 is started to output a set power to drive the roller to rotate, the locking structure 2 generates an unlocking action for unlocking the roller, the roller motor outputs the set power to drive the roller to rotate for a certain time t, and then the output current of the roller motor is detected to obtain the output current value I of the roller motor1(ii) a When the output current value of the drum motor is smaller than the sum of the set current value and the set value, it is determined that the locking motor 201 drives the lock tongue 202 to be separated from the locking groove 302, and the locking structure 2 unlocks the drum; after the lock tongue 202 is separated from the locking groove 302, the output power of the drum motor 3 is increased, so that the rotating speed of the drum is increased, the washing equipment starts to execute a washing program, a rinsing program, a dewatering program and the like, and meanwhile, the locking motor 201 is powered off, and the locking motor 201 stops working; when the output current value of the roller motor 3 is larger than the sum of the set current value and the set value, the roller locking of the locking structure unlocking 2 fails, the roller motor 2 drives the roller to continuously rotate at the set power output, and the unlocking condition of the roller is judged again.
In the embodiment of the invention, the roller motor 3 drives the roller to rotate at a set power output, after the roller rotates for a certain time t, the time t is greater than the starting time of the roller motor 3, and the locking structure 2 generates an unlocking action for unlocking the roller.
In the embodiment of the invention, the time for rotating the roller is longer than the starting time of the roller motor 3, so that the roller motor 3 is ensured to drive the roller to rotate according to the set value at the set power output, and the accuracy of unlocking the roller is improved.
In the embodiment of the invention, after the drum is unlocked by the locking structure 2, if the failure frequency of the drum unlocking by the locking structure 2 is detected to exceed the set frequency, the locking structure 2 stops unlocking, and the washing equipment sends out an alarm signal.
In the embodiment of the invention, after the locking structure 2 is detected to fail to lock the roller for multiple times and the failure times exceed the times set by the system, the locking structure 2 is controlled to stop unlocking, the washing equipment gives an alarm to warn that the washing equipment fails, and the error rate of unlocking the roller is reduced.
Another object of the present invention is to provide a washing apparatus to achieve the object of providing accuracy of drum unlocking. The washing equipment comprises a roller for containing washing water and a roller motor 3 for driving the roller to rotate, and is applied to the method for judging the roller unlocking of the washing equipment in the technical scheme, and a locking structure 2 for unlocking the roller is arranged on the washing equipment.
In the embodiment of the invention, the locking structure 2 arranged on the washing equipment can unlock the drum containing washing water from the locking position of the drum, so that the drum door is not in the normal opening position, and the accuracy of unlocking the drum by the locking structure 2 is improved by judging whether the locking structure 2 successfully unlocks the drum.
In an embodiment of the present invention, the drum is a sealed container for containing washing water when the washing apparatus performs a washing process.
In an embodiment of the present invention, a washing apparatus includes a drum for containing washing water, and a tub.
In the embodiment of the invention, the side wall of the inner cylinder is provided with a lifting rib, a containing cavity is arranged in the lifting rib, the wall surface of the containing cavity is provided with a first through hole communicated with the inner space of the inner cylinder and a second through hole communicated with a gap between the inner cylinder and the outer cylinder, and a control structure for controlling the opening and closing of the first through hole and/or the second through hole is arranged in the containing cavity; through the arrangement, the liquid in the inner barrel is discharged when the inner barrel is a hole-free inner barrel, wherein when the first through hole and/or the second through hole are/is closed, the inner part of the inner barrel is in a closed state, so that the washing water in the inner barrel is prevented from being splashed onto the inner wall of the outer barrel; when the first through hole and the second through hole are opened, the inner part of the inner cylinder is in an open state, and the washing water in the inner cylinder is discharged to a gap between the inner cylinder and the outer cylinder.
As shown in fig. 3 and 4, in the embodiment of the present invention, the drum is rotatably installed in the outer tub of the washing device, and the locking structure 2 is installed on the outer tub bottom 101.
In an embodiment of the invention, the drum is rotatably mounted as an inner drum in an outer drum of a washing appliance, a locking structure 2 mounted on the bottom of the outer drum unlocks the inner drum from a locked position, the inner drum is unlocked to leave the locked position, and an inner drum door of the inner drum is unlocked to leave a normal open position.
As shown in fig. 3 and 4, in the embodiment of the present invention, the locking structure 2 includes a locking tongue 202 and a locking motor 201 for driving the locking tongue 202 to extend and retract radially, a locking groove 302 adapted to the locking tongue 202 is disposed on a rotor 301 of the drum motor 3, and the locking tongue 202 is inserted into or separated from the locking groove 302 under the driving of the locking motor 201.
In the embodiment of the invention, the locking structure generates an unlocking action for unlocking the roller, after the roller rotates for a certain time t, the locking motor 201 drives the bolt 202 to be separated from the locking groove 302, the roller is unlocked by the locking structure 2, after the bolt 202 is separated from the locking groove 302 to unlock the roller, the locking motor is reset, the roller motor 3 is powered off, and the roller motor 3 stops working;
it should be noted that the latch tongue 202 of the locking structure 2 may be a motor shaft of the locking motor 201.
In another embodiment of the present invention, a washing apparatus includes a drum for containing washing water; the locking structure 2 can be installed on the housing of the washing device, the locking structure 2 comprises a locking bolt 202 and a locking motor 201 for driving the locking bolt 202 to radially extend and retract, a locking groove 302 matched with the locking bolt 202 is formed in a rotor 301 of the drum motor 3, and the locking bolt 202 is inserted into or separated from the locking groove 302 under the driving of the locking motor 201.
In another embodiment of the present invention, a washing apparatus includes a drum and an outer tub for containing washing water; the locking structure 2 can be installed on the outer tub of the washing device, a locking groove 302 adapted to the locking tongue 202 is arranged on the rotor 301 of the drum motor 3, and the locking tongue 202 is inserted into or separated from the locking groove 302 under the driving of the locking motor 201.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (11)
1. The method for judging the unlocking of the drum of the washing equipment is characterized in that the drum motor for driving the drum to rotate and a locking structure are installed on the washing equipment, and the method is characterized in that the drum motor is driven to rotate at set power output until the output current of the drum motor is smaller than the set current, and the locking structure is judged to unlock the drum.
2. A method as claimed in claim 1, wherein the locking structure is configured to unlock the drum, the drum motor is driven to rotate at a predetermined power output, and the output current of the drum motor is detected after a predetermined time t to obtain the output current I of the drum motor1；
If I1＜I0+ a, a is a set value, I0The locking structure unlocks the roller if the rated current of the roller motor is obtained; if I1＞I0+ a, the locking structure fails to unlock the drum.
3. A method as claimed in claim 1, wherein the drum motor is driven to rotate at a predetermined power output, the locking structure is configured to unlock the drum, and the drum is rotated for a predetermined time t, and then the output current of the drum motor is detected to obtain the output current I of the drum motor1；
If I1＜I0+ a, a is a set value, I0The locking structure unlocks the roller if the rated current of the roller motor is obtained; if I1＞I0+ a, the locking structure fails to unlock the drum.
4. The method for determining the unlocking of the drum of the washing equipment as claimed in claim 2, wherein the locking structure comprises a locking tongue and a locking motor for driving the locking tongue to extend and retract along the radial direction of the drum, and a locking groove is formed on a rotor of the drum motor;
after the roller rotates for a certain time t, the locking motor drives the lock tongue to be separated from the locking groove, the lock tongue resets, and the locking structure unlocks the roller.
5. The method as claimed in claim 4, wherein after the latch is disengaged from the locking groove, the output power of the drum motor is increased, the rotation speed of the drum is increased, the washing machine starts to perform any one or any combination of the washing procedure, the rinsing procedure and the dehydrating procedure, and the locking motor is powered off and stops working.
6. A method for determining the unlocking of a drum of a washing machine according to claim 5,
s1, the locking structure generates unlocking action for unlocking the roller, the roller motor outputs and drives the roller to rotate at set power, and after the roller rotates for a certain time t, the output current of the roller motor is detected to obtain the output current value I of the roller motor1；
S2, adjusting the output current value I of the roller motor1Comparing with the set current value, if I1＜I0+ a, go to step S3; if I1＞I0+ a, go to step S5;
s3, judging that the locking motor drives the lock tongue to be separated from the locking groove, the lock tongue resets, and the locking structure unlocks the roller, and executing the step S4;
s4, after the lock tongue is separated from the locking groove, the output power of the drum motor is increased, the rotating speed of the drum is increased, the washing equipment starts to execute any one or any combination of the washing program, the rinsing program and the dewatering program, the locking motor is powered off, and the locking motor stops working;
s5, the roller motor drives the roller to rotate continuously with the set power output, and step S1 is executed again.
7. A method for determining the unlocking of a drum of a washing machine according to claim 3,
s1, the roller motor drives the roller to rotate at a set power output, the locking structure generates an unlocking action for unlocking the roller, and after the roller rotates for a certain time t, the output current of the roller motor is detected to obtain the output current value I of the roller motor1；
S2, adjusting the output current value I of the roller motor1Comparing with the set current value, if I1＜I0+ a, go to step S3; if I1＞I0+ a, go to step S5;
s3, if the lock motor drives the lock tongue to separate from the lock groove, the lock tongue resets, and the lock structure unlocks the roller, the step S4 is executed;
s4, after the bolt is separated from the locking groove, the output power of the drum motor is increased, the rotating speed of the drum is increased, the washing equipment starts to execute any one or any combination of the washing program, the rinsing program and the dewatering program, the locking motor is powered off, and the locking motor stops working;
s5, the roller motor drives the roller to rotate continuously with the set power output, and step S1 is executed again.
8. Method for determining the unlocking of a drum of a washing machine according to claim 6 or 7,
after the locking structure unlocks the roller, if the failure frequency of the locking structure to unlock the roller is detected to exceed the set frequency, the locking structure stops unlocking, and the washing equipment sends out an alarm signal.
9. A washing device comprising a drum for containing washing water and a drum motor for driving the drum to rotate, characterized in that the method is applied to the method for determining the unlocking of the drum of the washing device according to any one of claims 1 to 8, and the washing device is provided with a locking structure for unlocking the drum.
10. A washing device according to claim 9, wherein the drum is a sealed container containing washing water when the washing device performs a washing process.
11. The washing apparatus as claimed in claim 9 or 10, wherein the drum is rotatably mounted in an outer tub of the washing apparatus, the locking structure being mounted on an outer tub bottom; the locking structure comprises a lock tongue and a locking motor for driving the lock tongue to stretch and retract along the radial direction of the roller, a locking groove matched with the lock tongue is formed in a rotor of the roller motor, and the lock tongue is driven by the locking motor to be inserted into or separated from the locking groove.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769288.1A CN112481926B (en) | 2019-08-20 | 2019-08-20 | Washing equipment and method for judging drum unlocking of washing equipment |
| EP20855247.1A EP4019689A4 (en) | 2019-08-20 | 2020-08-17 | Washing apparatus, and method for determining that drum of washing apparatus is unlocked |
| PCT/CN2020/109443 WO2021032040A1 (en) | 2019-08-20 | 2020-08-17 | Washing apparatus, and method for determining that drum of washing apparatus is unlocked |
| JP2022510853A JP2022553606A (en) | 2019-08-20 | 2020-08-17 | Cleaning equipment and method for judging drum lock release in cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769288.1A CN112481926B (en) | 2019-08-20 | 2019-08-20 | Washing equipment and method for judging drum unlocking of washing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112481926A CN112481926A (en) | 2021-03-12 |
| CN112481926B true CN112481926B (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910769288.1A Active CN112481926B (en) | 2019-08-20 | 2019-08-20 | Washing equipment and method for judging drum unlocking of washing equipment |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4019689A4 (en) |
| JP (1) | JP2022553606A (en) |
| CN (1) | CN112481926B (en) |
| WO (1) | WO2021032040A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2021032040A1 (en) | 2021-02-25 |
| JP2022553606A (en) | 2022-12-26 |
| EP4019689A1 (en) | 2022-06-29 |
| CN112481926A (en) | 2021-03-12 |
| EP4019689A4 (en) | 2022-10-19 |
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Effective date of registration: 20220523 Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Applicant after: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd. Applicant after: Haier Smart Home 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 Smart Home Co., Ltd. |
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