CN113699746A - Wall-mounted washing machine anti-falling system and control method - Google Patents
Wall-mounted washing machine anti-falling system and control method Download PDFInfo
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- 238000005406 washing Methods 0.000 title claims abstract description 253
- 238000000034 method Methods 0.000 title claims abstract description 107
- 230000008569 process Effects 0.000 claims abstract description 79
- 238000009434 installation Methods 0.000 claims abstract description 70
- 230000002159 abnormal effect Effects 0.000 claims abstract description 33
- 238000012545 processing Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 33
- 238000012423 maintenance Methods 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims 2
- 239000002994 raw material Substances 0.000 claims 2
- 208000005156 Dehydration Diseases 0.000 description 85
- 230000018044 dehydration Effects 0.000 description 85
- 238000006297 dehydration reaction Methods 0.000 description 85
- 230000001133 acceleration Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
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- 238000012790 confirmation 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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
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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
- 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
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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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/04—Signal transfer or data transmission arrangements
- D06F34/05—Signal transfer or data transmission arrangements for wireless communication between components, e.g. for remote monitoring or control
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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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
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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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/20—Parameters relating to constructional components, e.g. door sensors
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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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/26—Imbalance; Noise level
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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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/58—Indications or alarms to the control system or to the user
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Abstract
The invention discloses a wall-mounted washing machine anti-falling system and a control method, wherein the anti-falling system comprises a first subsystem, a second subsystem and a third subsystem, wherein the first subsystem is used for controlling the vibration quantity of a washing machine in the operation process to be within a preset range; and the second subsystem is used for detecting the installation state of the washing machine on the wall body and carrying out alarm processing when the installation state is abnormal. According to the wall-mounted washing machine anti-falling system, the vibration quantity of the washing machine in the operation process is controlled through the first subsystem, the generation of large vibration quantity is prevented, and therefore the washing machine is prevented from falling due to large vibration quantity in the operation process.
Description
Technical Field
The invention belongs to the field of washing machines, and particularly relates to a wall-mounted washing machine anti-falling system and a control method.
Background
The wall-mounted washing machine is generally installed on a wall body of the washing machine in a bolt fixing mode, the washing machine can be in a standby state or an operating state, the conditions of low-speed washing and high-speed dewatering exist in the operating process, and if no anti-falling measure exists, once a fixing bolt is loosened, the whole machine falls off, and personal and property losses of users are caused.
In the prior art, an acceleration sensor is adopted to perform falling early warning on a wall-mounted washing machine, whether the washing machine is loosened or not is judged according to the acceleration in a certain direction during the operation of the washing machine, the acceleration early warning scheme generally has better judgment or early warning on a machine running at a high speed, but the installation state of the wall-mounted washing machine cannot be effectively judged or early warned through the acceleration when the whole machine is in standing or running at a low speed, so that the early warning range of the scheme has certain limitation, and meanwhile, the installation early warning method of the wall-mounted washing machine only can play a role in detecting the loosening of the washing machine, and the vibration generated in the operation process of the wall-mounted washing machine cannot be reduced.
The present invention has been made in view of this situation.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a falling prevention system for a wall-mounted washing machine, which is used for preventing the falling of the wall-mounted washing machine by reducing the vibration quantity of the washing machine in operation, detecting the installation state of the washing machine, giving an alarm in time and the like.
The invention also aims to provide a control method for preventing the falling of the wall-mounted washing machine.
In order to solve the technical problems, the invention adopts the technical scheme that: there is provided a drop prevention system for a wall-mounted washing machine, comprising,
the first subsystem is used for controlling the vibration quantity of the washing machine in the operation process to be within a preset range;
and the second subsystem is used for detecting the state of the washing machine installed on the wall body and carrying out alarm processing when the installation state is abnormal.
According to the wall-mounted washing machine anti-falling system, the vibration quantity of the washing machine in the operation process is controlled through the first subsystem, the generation of large vibration quantity is prevented, and therefore the washing machine is prevented from falling due to large vibration quantity in the operation process.
Further, the first subsystem includes,
the eccentricity detection module is used for detecting the eccentricity of the washing machine in the operation process;
and the rotating speed control module is connected with the eccentricity detection module and is used for controlling the rotating speed of the washing machine according to the detected eccentricity.
Further, the second subsystem includes,
the distance detection module is used for acquiring the distance between the washing machine and the installation wall;
and the alarm control module is connected with the distance detection module and used for judging whether the washing machine is abnormally installed according to the detection distance, sending alarm information when the washing machine is abnormally installed and closing all loads of the washing machine.
And the third subsystem is connected with the second subsystem and is used for monitoring the running state of the washing machine in real time.
Furthermore, the third subsystem comprises a remote terminal which is in communication connection with the second subsystem and is used for monitoring the installation state of the washing machine in real time and giving an alarm when the washing machine is abnormally installed.
Further, the remote terminal includes,
and the display module is used for displaying the installation state of the washing machine and displaying an alarm prompt and after-sale maintenance information when the installation state is abnormal.
And further, the third subsystem further comprises a big data service center, and the big data service center is connected with the second subsystem in a communication mode and used for acquiring alarm information of the installation state of the washing machine and informing the nearest after-sales service center to perform door-to-door maintenance according to the alarm information.
When the washing machine is in an abnormal installation state, the big data service center acquires the alarm information of the second subsystem, analyzes the alarm information and sends fault information to the after-sales service center, and the third subsystem can automatically report the abnormal installation state of the washing machine, so that a user does not need to report the abnormal installation state of the washing machine by himself, the time of the user is saved, and the user experience is improved.
The invention also provides a control method of the falling prevention system of the wall-mounted washing machine, which comprises the following steps,
acquiring the working state of the washing machine, and adjusting the work of the washing machine when the working state is judged to be abnormal;
and/or acquiring the installation state of the washing machine on the wall body, and giving an alarm when the installation state is judged to be abnormal.
The control method comprises the steps of detecting the eccentric value of the washing machine, judging whether the eccentric value of the washing machine is in a preset eccentric interval or not, and selecting the rotating speed corresponding to the eccentric interval according to the judgment result;
the eccentricity value of the washing machine is divided into a plurality of eccentricity intervals from small to large, and each eccentricity interval corresponds to a corresponding rotating speed.
According to the invention, in the operation process of the washing machine, the washing machine detects that the eccentric interval corresponding to the eccentric value is changed, the rotating speed is correspondingly adjusted, and the rotating speed is adjusted in a sectional manner, so that the high-speed effective operation can be ensured, and the vibration of the wall-mounted washing machine in the operation process can be reduced.
The control method of the second subsystem comprises the steps of judging whether the distance L between the washing machine and the installation wall exceeds a preset distance L1 or not, when the L is larger than or equal to L1, the washing machine is in an abnormal installation state, alarming by the second subsystem, and closing all loads of the washing machine.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
(1) According to the wall-mounted washing machine anti-falling system, the vibration quantity of the washing machine in the operation process is controlled through the first subsystem, the generation of large vibration quantity is prevented, and therefore the washing machine is prevented from falling due to large vibration quantity in the operation process.
(2) When the washing machine is in an abnormal installation state, the big data service center acquires the alarm information of the second subsystem, analyzes the alarm information and sends fault information to the after-sales service center, and the third subsystem can automatically report the abnormal installation state of the washing machine, so that a user does not need to report the abnormal installation state of the washing machine by himself, the time of the user is saved, and the user experience is improved.
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 be derived from them without inventive effort. In the drawings:
fig. 1 is a schematic view of the present invention for controlling a dehydration process of a washing machine.
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.
The invention relates to a falling-proof system of a wall-mounted washing machine, which comprises,
the first subsystem is used for controlling the vibration quantity of the washing machine in the operation process to be within a preset range;
and the second subsystem is used for detecting the state of the washing machine installed on the wall body and carrying out alarm processing when the installation state is abnormal.
According to the wall-mounted washing machine anti-falling system, the vibration quantity of the washing machine in the operation process is controlled through the first subsystem, the generation of large vibration quantity is prevented, and therefore the washing machine is prevented from falling due to large vibration quantity in the operation process.
The first subsystem comprises an eccentricity detection module for detecting the eccentricity of the washing machine in the operation process; and the rotating speed control module is connected with the eccentricity detection module and is used for controlling the rotating speed of the washing machine according to the detected eccentricity. Preferably, the eccentricity detecting module is used for detecting eccentricity in the dewatering process of the washing machine.
The rotating speed control module of the first subsystem can control the rotating speed of the washing machine through the eccentric amount of the washing machine, different eccentric amounts correspond to different rotating speeds, the rotating speed is smaller when the eccentric amount is larger, and the vibration amount of the washing machine is controlled within a preset range by adjusting the rotating speed, so that the washing machine can be prevented from generating larger vibration amount in the operation process. The first subsystem can acquire the eccentricity of the washing machine and control the rotating speed of the washing machine and the running time corresponding to different rotating speeds. The first subsystem can control the rotating speed of the washing machine in the operation process according to the eccentric amount to control the vibration amount of the washing machine in the operation process to be within a preset range, so that the washing machine is prevented from loosening and falling from the installation wall body due to large vibration amount of the washing machine, and the washing machine is prevented from falling from the installation wall body in a prevention angle.
The second sub-system comprises a first sub-system,
the distance detection module is used for acquiring the distance L between the washing machine and the installation wall;
and the alarm control module is connected with the distance detection module and used for judging whether the washing machine is abnormally installed according to the detection distance, sending alarm information when the washing machine is abnormally installed and closing all loads of the washing machine.
The distance detection module is used for detecting the distance L between the wall-mounted washing machine and the installation wall, and the alarm control module is used for acquiring the detection result L of the distance detection module and judging whether the L is larger than or equal to the preset distance L1; when L is larger than or equal to L1, the wall-mounted washing machine is in a preset falling state, an alarm is given, all loads of the washing machine are controlled to be turned off, and the washing machine stops running to ensure safety.
Preferably, the distance detection module comprises distance sensors for detecting the distance between the washing machine and the installation wall, at least two distance sensors are respectively arranged on two sides of the wall-mounted washing machine, and when the L detected by the distance sensors on any side is larger than or equal to L1, the alarm control module gives an alarm, and all loads are closed. The distance detection module comprises at least two distance sensors which are respectively arranged on two sides of a rear plate of the wall-mounted washing machine. And when the L detected by the distance sensor on any side of the washing machine is more than or equal to L1, the alarm control module gives an alarm and closes all loads. Preferably, the distance sensor is a millimeter-sized distance sensor, which is more sensitive to the detection of distance changes.
Another preferred scheme is that the distance detection module comprises a safety switch, the safety switch is arranged at an installation structure for installing the washing machine on a wall body, and is used for switching on the safety switch when the distance L is obtained by loosening the washing machine and the installation wall body, the alarm control module gives an alarm and controls to close all loads, and the washing machine stops running to ensure safety. The distance detection module comprises a plurality of safety switches, and when any one mounting structure of the washing machine and the mounting wall are loosened to a distance L, the alarm control module gives an alarm to close all loads. The safety switch is a millimeter-scale safety switch and is more sensitive to the change of the distance.
And the third subsystem is connected with the second subsystem and is used for monitoring the running state of the washing machine in real time. By arranging the third subsystem in the wall-mounted washing machine anti-falling system, the running state of the washing machine can be monitored in real time, and the user experience is improved.
The wall-mounted washing machine anti-falling system for multi-dimensional real-time monitoring is formed by preventing the generation of large vibration in the dewatering process of the washing machine, detecting and displaying the mounting state of the wall-mounted washing machine in real time, giving an abnormal alarm and the like, the use safety of a user is comprehensively guaranteed, and the user experience is improved.
The third subsystem comprises a remote terminal which is in communication connection with the second subsystem and used for monitoring the installation state of the washing machine in real time and giving an alarm when the washing machine is abnormally installed.
The remote terminal is used for displaying and recording the installation state of the wall-mounted washing machine in real time, and a user can check the installation state of the washing machine in real time and in a remote mode through the remote terminal to prevent the wall-mounted washing machine from falling. The user can also remotely control the work of the washing machine and check the current washing and protecting program, working state, residual working time and the like of the washing machine through the remote terminal.
The remote terminal comprises a display module for displaying the installation state of the washing machine and displaying an alarm prompt and after-sale maintenance information when the installation state is abnormal. The remote terminal can display the installation state of the washing machine in real time, so that a user can visually acquire the installation state of the wall-mounted washing machine in real time, and display an alarm prompt and a call for after-sales maintenance when the washing machine is abnormally installed, so as to remind the user to confirm the installation state and maintenance of the washing machine in time. Preferably, the remote terminal is internally provided with an installation program, and the remote terminal can be a computer or a mobile phone.
The third subsystem further comprises a big data service center, the big data service center is connected with the second subsystem in a communication mode and used for obtaining alarm information of the installation state of the washing machine and informing the after-sales service center closest to the washing machine of door maintenance according to the alarm information.
The big data service center is used for acquiring alarm information of the second subsystem when the washing machine is in an abnormal installation state, analyzing the alarm information and sending fault information to the after-sales service center, and the third subsystem can automatically report the abnormal installation state of the washing machine, so that a user does not need to report the abnormal installation state of the washing machine by himself, the time of the user is saved, and the user experience is improved.
The alarm information comprises the possible reasons of the abnormal installation state and the fault of the washing machine, the position of the washing machine and the contact information of the user, and the big data service center informs the after-sale service center which is closest to the user of the reason of the abnormal installation state and the possible occurrence of the washing machine according to the position information of the washing machine in the alarm information. And arranging a worker to contact the user for confirmation by the after-sale service center, wherein the worker needs to go to the door for maintenance.
The second subsystem monitors the operation data of the washing machine in the operation process and the distance between the washing machine and the installation wall in real time. The operation data comprises the eccentricity in the dehydration process, the dehydration speed, the dehydration time corresponding to different dehydration speeds and the distance L between the washing machine and the installation wall. The user can look over the eccentric amount, the dehydration speed, the dehydration time that different dehydration speeds correspond and the distance L between washing machine and the installation wall body in the washing machine dehydration process through the APP of installation in the remote terminal.
The second subsystem is used for acquiring detection data of the first subsystem in real time, wherein the detection data comprises rotating speed, eccentricity and running time corresponding to different rotating speeds; the second subsystem can give an alarm for the vibration quantity of the washing machine when the eccentricity and the rotating speed of the washing machine are larger than preset parameters and the continuous operation time is longer than the preset time, and controls the first subsystem to reduce the rotating speed of the washing machine or temporarily stop the operation for a period of time.
And the third subsystem is used for acquiring detection data of the second subsystem and/or the first subsystem, wherein the detection data comprises rotating speed, eccentricity, operating time corresponding to different rotating speeds, detection distance L and the like.
The third subsystem can analyze the possible reasons of the abnormal installation of the washing machine when the washing machine is abnormally installed, judge the washing machine faults caused by the reasons in the standby, washing and dehydration processes of the washing machine according to the operation data in the dehydration process and the detected distance between the installation wall and the washing machine when the washing machine is abnormally installed, for example, continuous vibration caused by long duration of high-speed rotation and the like, and send the fault reasons to a user or an after-sales service center through the big data service center to help the user or the after-sales service center to maintain aiming at the fault reasons and prevent the faults of the same reasons from appearing again. The remote terminal can further acquire and display the real-time vibration quantity in the dewatering process of the washing machine, and a user can check the real-time vibration quantity and the real-time distance L of the washing machine.
The invention also provides a control method of the falling prevention system of the wall-mounted washing machine, which comprises the following steps,
acquiring the working state of the washing machine, and adjusting the work of the washing machine when the working state is judged to be abnormal;
and/or acquiring the installation state of the washing machine on the wall body, and giving an alarm when the installation state is judged to be abnormal.
The obtaining of the working state of the washing machine may be obtaining an eccentricity amount of the washing machine during operation, and when the eccentricity amount exceeds a preset parameter during operation, determining that the working state of the washing machine is abnormal, and adjusting the operation of the washing machine, such as adjusting the rotation speed of the washing machine.
The control method comprises a second subsystem control method, wherein the second subsystem control method is that the second subsystem can acquire detection data of the first subsystem in real time, wherein the detection data comprises rotating speed, eccentric amount and running time corresponding to different rotating speeds; and the second subsystem judges whether the eccentricity, the rotating speed and the continuous operation time of the washing machine are greater than preset parameters or not according to the acquired detection data, and when the detection data are greater than the preset parameters, the vibration quantity of the washing machine is alarmed, the rotating speed of the washing machine is reduced or the washing machine is controlled to temporarily stop operating for a period of time.
The other control method of the second subsystem is that whether the distance L between the washing machine and the installation wall exceeds the preset distance L1 is judged, when the L is larger than or equal to L1, the washing machine is in an abnormal installation state, the second subsystem gives an alarm, and all the negative loads of the washing machine are closed; when the washing machine is in operation, the current washing parameters are stored and all negatives of the washing machine are turned off.
Preferably, in the dehydration process of the washing machine, whether the distance increment DeltaL between the washing machine and the installation wall exceeds the preset distance increment DeltaL 1 or not is judged within the dehydration time t1,
when the delta L is less than the delta L1, the washing machine continues the dehydration process;
when the delta L is more than or equal to the delta L1, the washing machine dewatering rotation speed performs downshifting or stops running, and after the time t2, the eccentric value is detected to control the dewatering process.
The washing machine may be loosened from the installation wall body due to vibration of the washing machine in the dewatering process, when the delta L is not less than the delta L1, the washing machine may be loosened from the installation wall body due to vibration of the washing machine, in order to avoid further loosening of the washing machine from the installation wall body due to vibration of the washing machine, the dewatering speed is reduced by a rotating speed gear or the operation is stopped for a period of time t2, and then the eccentric amount is detected again to control the dewatering process of the washing machine.
The control method further comprises a third subsystem control method, the third subsystem control method is that when the installation state of the washing machine is abnormal, the big data service center obtains the alarm information of the second subsystem, analyzes the alarm information and sends fault information to the after-sales service center, the third subsystem can automatically report the abnormal installation state of the washing machine, a user does not need to report the abnormal installation state of the washing machine by himself, the time of the user is saved, and the user experience is improved.
The control method of the first subsystem is that the eccentric value of the washing machine is detected, whether the eccentric value of the washing machine is in a preset eccentric interval or not is judged, and the rotating speed corresponding to the eccentric interval is selected according to the judgment result;
the eccentricity value of the washing machine is divided into a plurality of eccentricity intervals from small to large, and each eccentricity interval corresponds to a corresponding rotating speed.
According to the invention, in the operation process of the washing machine, the washing machine detects that the eccentric interval corresponding to the eccentric value is changed, the rotating speed is correspondingly adjusted, and the rotating speed is adjusted in a sectional manner, so that the high-speed effective operation can be ensured, and the vibration of the wall-mounted washing machine in the operation process can be reduced.
Preferably, the operation process of the washing machine is a dehydration process, and the specific control method comprises the following steps: when the washing machine enters a dehydration stage, an even distribution process is firstly carried out, an eccentric value is detected in the even distribution process, a dehydration rotating speed is selected according to an eccentric interval to which the current eccentric value belongs, the eccentric value is detected in the dehydration process, whether the eccentric interval is reduced or not is judged, if yes, the dehydration process is carried out according to the dehydration rotating speed corresponding to a new eccentric interval, and if not, the dehydration rotating speed corresponding to the eccentric interval which is lower than the current eccentric interval is accelerated to carry out an upshifting dehydration process. According to the invention, the washing machine executes the dewatering process in a segmented manner according to the eccentricity value, so that the problem of true and false eccentricity in the dewatering process is effectively judged, the clothes with large water content are dewatered by adjusting the rotating speed in a segmented manner, the false eccentricity condition in the dewatering is effectively distinguished, the high-speed and effective dewatering of the clothes with high water content is realized, and the vibration quantity of the washing machine is controlled within a preset range.
The correspondence of the eccentric section to the rotational speed segment is provided as follows:
wherein OOB is a detected eccentricity value. OOBmin is a minimum set eccentricity value, when the actual eccentricity value is smaller than the minimum set eccentricity value, the washing machine directly controls the dehydration rotating speed to accelerate to the maximum rotating speed Vmax, and the dehydration process is executed until the dehydration is finished. When the detected eccentricity value OOB of the washing machine is larger than the maximum set eccentricity value OOBmax, the danger of cylinder collision is caused, the washing machine executes uniform rotating speed at the rotating speed V, the washing machine is protected, and safety accidents are prevented.
In addition, the eccentricity detection is relatively large, and generally divided into two cases, which are defined as true and false maximum eccentricity, the so-called "false maximum eccentricity" is the eccentricity detected after the uniform distribution program is completed after the operation of a single piece of clothes with relatively good water absorption is saturated, but the eccentricity has a characteristic that a part of the eccentricity is separated along with the increase of the rotating speed under the condition of slightly higher than the uniform distribution rotating speed, so that the eccentricity is reduced. The true maximum eccentricity is defined as a state in which the laundry having relatively poor water absorption is knotted, in which the eccentricity is not reduced as the rotation speed is increased. Therefore, the true and false maximum eccentric amount can be distinguished by executing the upshifting dehydration process, and the dehydration effect on a single piece of clothes with high water absorption rate is ensured.
Specifically, the executing of the upshift dehydration process includes: and acquiring a dehydration rotating speed V2 corresponding to an eccentric interval adjacent to and lower than the current eccentric interval, and executing an upshift dehydration process of accelerating from the current dehydration rotating speed V1 to the dehydration rotating speed V2. The theoretical upshift dehydration process may select a dehydration rotation speed corresponding to an eccentric section that is multistage lower than the current eccentric section to perform the dehydration process, but in order to secure the safety of the dehydration process of the washing machine, it is preferable to select only a rotation speed corresponding to an eccentric section adjacent to the current eccentric section to perform the accelerated upshift dehydration process.
When the eccentricity value of the washing machine is not reduced or the reduction amount is small and the eccentricity interval is not reduced in the process of executing the upshifting dehydration, the washing machine is not suitable for keeping acceleration but should be decelerated to ensure the safety in the dehydration process. Specifically, the washing machine performs an upshift dehydration process for a set time period, in which if the washing machine detects that the eccentric section does not decrease, the downshift dehydration process is performed in which the dehydration rotation speed V2 is decreased to the dehydration rotation speed V1, and if the washing machine detects that the eccentric section decreases, the washing machine accelerates to the dehydration rotation speed corresponding to the new eccentric section to perform the dehydration process. In this scheme, if the eccentricity value is not decreased or the eccentricity interval to which the eccentricity value belongs is not degraded after the washing machine performs the upshift dehydration process, the higher dehydration rotation speed cannot be maintained for too long, and at this time, the dehydration deceleration can be controlled to return to the dehydration rotation speed V1 corresponding to the actual eccentricity interval again, which is also a safety protection for the washing machine. In addition, if the washing machine detects that the segregation interval is reduced, the upshifting dehydration process is effective, the eccentricity value of the washing machine enters another eccentricity interval, the washing machine can accelerate, and the dehydration process is executed according to the dehydration rotating speed corresponding to the new eccentricity interval. Wherein, the limited set time is preferably 30 seconds, and after the final dehydration rotating speed is determined, the washing machine controls to keep the dehydration rotating speed to execute 3min to complete the dehydration process.
Preferably, the washing machine is set with an eccentricity value higher than an eccentricity warning value OOBmax of each eccentricity interval, and in the process of executing upshifting and dewatering, the washing machine detects that the eccentricity value is higher than the eccentricity warning value OOBmax, and directly controls the dewatering rotating speed to be decelerated to the uniform distribution rotating speed V. In the scheme, the washing machine is provided with an eccentric warning value for ensuring safety, when the washing machine detects that the eccentric value reaches the eccentric warning value in the process of executing upshifting and dehydrating, the washing machine has the danger of colliding with a barrel, and at the moment, the dehydrating speed is directly controlled to be reduced, so that the safety is ensured. The uniform distribution rotating speed V is small, and the safety of the dewatering process of the washing machine is ensured. By this method, the vibration amount during the operation of the washing machine can be controlled within a preset range.
In a preferred scheme, the washing machine cycle performs an upshift dehydration process in which the dehydration rotation speed is increased to V2 and a downshift dehydration process in which the dehydration rotation speed is decelerated to V1; and in the circulation less than N times, if the eccentric interval is detected to be reduced, controlling the dehydration rotating speed to accelerate to the dehydration rotating speed corresponding to the new eccentric interval, otherwise, after the circulation of N times, reducing the speed of the washing machine to the dehydration rotating speed V1 to perform dehydration till the end of the dehydration. Wherein, the N is 2 to 5, and the preferable N is 3. And in N times of circulation, if the eccentricity value of the washing machine is not reduced, the upshifting dehydration process is not executed, the final rotating speed is directly determined, and the process is executed until the dehydration is finished.
Specifically, referring to fig. 1, the control method of the first subsystem of the present invention includes the following steps:
s1, detecting a current eccentric interval, setting the current eccentric interval as a first eccentric interval, and executing a corresponding dehydration process;
s2, detecting the current eccentric interval and setting the current eccentric interval as a second eccentric interval, judging whether the second eccentric interval is smaller than the first eccentric interval, if so, entering a step S3, otherwise, entering a step S4;
s3, executing a corresponding dehydration process according to the dehydration rotating speed corresponding to the second eccentric interval;
and S4, accelerating to a dehydration rotating speed corresponding to the eccentric interval lower than the first eccentric interval to execute a gear-up dehydration process.
Wherein, step S4 includes:
s41, setting an initial value of M to be 0;
s42, selecting an eccentric interval smaller than the first eccentric interval, determining the upshifting dehydration rotating speed according to the eccentric interval, detecting an eccentric value in the upshifting dehydration process, judging whether the eccentric interval descends, if so, assigning the descended eccentric interval to a second eccentric interval, and entering a step S3, otherwise, entering a step S43;
s43, controlling the speed to be reduced to the dehydration rotating speed corresponding to the first eccentric interval to execute the dehydration process, and assigning M to be M + 1;
s44, the washing machine judges whether M is larger than N, if so, the step S45 is carried out, otherwise, the step S42 is carried out;
s45, the washing machine executes a dehydration process according to the dehydration rotating speed corresponding to the first eccentric interval until the dehydration is finished.
In step S3, after the washing machine performs the corresponding dehydration process according to the dehydration rotation speed corresponding to the second eccentric section, the second eccentric section is assigned to the first eccentric section, and the process proceeds to step S2.
Preferably, a maximum dehydration rotation speed is preset, the minimum eccentric interval corresponds to the maximum dehydration rotation speed, and when the eccentric interval to which the current eccentric value belongs is detected to be the minimum eccentric interval, the washing machine directly accelerates to the maximum dehydration rotation speed to perform dehydration till the end of dehydration.
The above embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention in any way, and although the present invention has been disclosed by the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications to the equivalent embodiments by using the technical contents disclosed above without departing from the technical scope of the present invention, and the embodiments in the above embodiments can be further combined or replaced, but any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.
Claims (10)
1. The utility model provides a wall-hanging washing machine dropproof system which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the first subsystem is used for controlling the vibration quantity of the washing machine in the operation process to be within a preset range;
and the second subsystem is used for detecting the state of the washing machine installed on the wall body and carrying out alarm processing when the installation state is abnormal.
2. A wall mountable washing machine fall arrest system according to claim 1, further comprising: the first sub-system comprises a first sub-system,
the eccentricity detection module is used for detecting the eccentricity of the washing machine in the operation process;
and the rotating speed control module is connected with the eccentricity detection module and is used for controlling the rotating speed of the washing machine according to the detected eccentricity.
3. A wall mountable washing machine fall arrest system according to claim 1 or 2, wherein: the second sub-system comprises a first sub-system,
the distance detection module is used for acquiring the distance between the washing machine and the installation wall;
and the alarm control module is connected with the distance detection module and used for judging whether the washing machine is abnormally installed according to the detection distance, sending alarm information when the washing machine is abnormally installed and closing all loads of the washing machine.
4. A wall mountable washing machine fall arrest system according to any one of claims 1 to 3, further comprising: the washing machine further comprises a third subsystem which is connected with the second subsystem and used for monitoring the running state of the washing machine in real time.
5. A wall mounted washing machine fall arrest system according to claim 4, characterized in that: the third subsystem comprises a remote terminal which is in communication connection with the second subsystem and used for monitoring the installation state of the washing machine in real time and giving an alarm when the washing machine is abnormally installed.
6. A wall mountable washing machine fall arrest system according to claim 5, further comprising: the remote terminal includes a remote control unit for controlling the remote control unit,
and the display module is used for displaying the installation state of the washing machine and displaying an alarm prompt and after-sale maintenance information when the installation state is abnormal.
7. A wall mountable washing machine fall arrest system according to any one of claims 4 to 6, further comprising: the third subsystem further comprises a big data service center, the big data service center is connected with the second subsystem in a communication mode and used for obtaining alarm information of the installation state of the washing machine and informing the after-sales service center closest to the washing machine of door maintenance according to the alarm information.
8. A control method of a drop prevention system of a wall-mounted washing machine according to any one of claims 1 to 7, characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
acquiring the working state of the washing machine, and adjusting the work of the washing machine when the working state is judged to be abnormal;
and/or acquiring the installation state of the washing machine on the wall body, and giving an alarm when the installation state is judged to be abnormal.
9. The control method according to claim 8, characterized in that: the control method comprises a first subsystem control method, wherein the first subsystem control method comprises the steps of detecting the eccentric value of the washing machine, judging whether the eccentric value of the washing machine is in a preset eccentric interval or not, and selecting the rotating speed corresponding to the eccentric interval according to the judgment result;
the eccentricity value of the washing machine is divided into a plurality of eccentricity intervals from small to large, and each eccentricity interval corresponds to a corresponding rotating speed.
10. The control method according to claim 8 or 9, characterized in that: the control method of the second subsystem comprises the steps of judging whether the distance L between the washing machine and the installation wall exceeds a preset distance L1 or not, when the L is larger than or equal to L1, the washing machine is in an abnormal installation state, alarming by the second subsystem, and closing all loads of the washing machine.
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