CN104975459B - Method for controlling opening and closing of upper cover of washing machine - Google Patents
Method for controlling opening and closing of upper cover of washing machine Download PDFInfo
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- CN104975459B CN104975459B CN201410128906.1A CN201410128906A CN104975459B CN 104975459 B CN104975459 B CN 104975459B CN 201410128906 A CN201410128906 A CN 201410128906A CN 104975459 B CN104975459 B CN 104975459B
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000005406 washing Methods 0.000 title claims abstract description 35
- 230000002159 abnormal effect Effects 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 3
- 241001465754 Metazoa Species 0.000 claims description 2
- 230000007257 malfunction Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 241000282472 Canis lupus familiaris Species 0.000 description 1
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- 241000282376 Panthera tigris Species 0.000 description 1
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Abstract
The invention discloses a washing machine upper cover opening and closing control method, belongs to the field of washing machine control methods, and is designed for solving the problem that the existing automatic upper cover opening and closing washing machine lacks monitoring on the opening and closing condition of an upper cover. The upper cover in the method for controlling the opening and closing of the upper cover of the washing machine can be overturned under the driving of the driving mechanism to realize the opening or closing, and the method comprises the following steps: and step S1, judging whether the upper cover is abnormal according to the time of the upper cover turning along the opening or closing direction. The control method for opening and closing the upper cover of the washing machine starts to monitor the opening and closing process and effect when the upper cover is automatically opened or closed, can find the abnormity of the opening and closing of the upper cover in time, effectively avoids the conditions of locked rotor and even burning of a motor, and is more accurate and easy to operate.
Description
Technical Field
The invention relates to a method for controlling the opening and closing of an upper cover of a washing machine.
Background
During the use of the washing machine, the cover needs to be opened to fill clothes, then the upper cover is closed to carry out a washing program, and the cover is opened again to take out the clothes after the washing is finished. In order to save time and physical strength for users, the existing partially automatic washing machine can automatically open and close the upper cover after receiving instructions.
The existing automatic washing machine lacks a device and a method for monitoring the opening and closing process and the opening and closing effect of the upper cover. Namely, when the upper cover is opened or closed abnormally (external force or foreign objects block the opening or closing of the upper cover), a corresponding prompting method and solution are not provided. The user can not know the abnormal opening and closing condition of the upper cover in time and can not deal with the problem in time. If the motor is still in a working state at the moment, the motor can be locked, and the motor is easily burnt out if the time is too long.
Disclosure of Invention
The invention aims to provide a washing machine upper cover opening and closing control method for protecting a motor from stalling when the upper cover is abnormally opened and closed.
Another object of the present invention is to provide a method for controlling opening and closing of an upper cover of a washing machine, which can accurately detect abnormal states of the opening and closing of the upper cover.
In order to achieve the purpose, the invention adopts the following technical scheme:
a washing machine upper cover opening and closing control method, the upper cover can be driven by a driving mechanism to overturn to realize opening or closing, the method comprises the following steps: and step S1, judging whether the upper cover is abnormal according to the time of the upper cover turning along the opening or closing direction.
In particular, the step S1 specifically includes: detecting the running time T of the upper cover between the opening position and the closing position; and if the running time T exceeds the preset time T1, judging that the upper cover is abnormally operated.
In particular, travel switches are provided at the open position and the closed position of the upper cover, respectively, and the operating time T is detected by taking the difference in signal reception time between the reception of the first travel switch signal and the reception of the second travel switch signal as the operating time T.
In particular, in step S1, when the time counting is started when the upper cover leaves from the initial position, if the signal that the upper cover reaches the target position is not received within the predetermined time T1, it is determined that the operation of the upper cover is abnormal; when the initial position is the opening position of the upper cover, the target position is the closing position of the upper cover; when the initial position is the closed position of the upper cover, the target position is the open position of the upper cover.
Particularly, when it is determined in step S1 that the operation of the upper cover is abnormal, the method further includes the steps of:
step S2, stopping the operation of a cover door opening and closing motor in the driving mechanism;
step S3 ends the routine.
Further, in step S2, the control unit gives a warning message and/or sounds a warning tone at the same time as or after stopping the operation of the lid opening and closing motor.
Specifically, in step S2, the control unit issues a failure remote notification message to the specified terminal at the same time as or after the operation of the lid opening and closing motor is stopped.
Specifically, when it is determined in step S1 that the upper cover is abnormally operated, the control unit gives a warning message, issues a trouble remote warning message to a specified terminal, and/or issues a warning tone.
The invention relates to a washing machine upper cover opening and closing control method, which is used for monitoring the operation condition of an upper cover so as to be capable of timely processing when the operation of the upper cover is abnormal. When the upper cover is judged not to be opened or closed in place, the operation of the upper cover switch motor is stopped, and the motor is prevented from being locked and even burnt. The upper cover is timed after leaving the initial position, whether the upper cover is opened and closed in place is judged according to whether the timing exceeds the preset time, and the detection method is more accurate and easy to operate.
Drawings
Fig. 1 is a flowchart of a method for controlling opening and closing of an upper cover of a washing machine according to a preferred embodiment of the present invention;
fig. 2 is a flowchart of a method for controlling opening and closing of an upper cover of a washing machine according to a second preferred embodiment of the present invention;
fig. 3 is a flowchart of a method for controlling opening and closing of an upper cover of a washing machine according to a third preferred embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The washing machine is provided with a driving mechanism for driving the upper cover to turn over. Under the control of the control mechanism, the driving mechanism can drive the upper cover to turn over to realize automatic opening or closing. The washing machine is provided with a time detection mechanism for detecting the running time of the upper cover of the washing machine turning along the opening or closing direction, and the time detection mechanism is used for detecting the time of the upper cover of the washing machine running from the opening position to the closing position or running from the closing position to the opening position. Preferably, travel switches are provided at the open position and the closed position of the upper cover of the washing machine, respectively, and the time detecting mechanism calculates the operation time T of the upper cover in the opening or closing direction according to a signal receiving time interval in which the first travel switch signal and the second travel switch signal are received.
Under normal conditions, the opening and closing time of the upper cover of the washing machine is within the normal preset time T1. Under the condition that the upper cover is abnormally overturned, for example, the upper cover cannot be closed due to the fact that foreign matters clamp the upper cover in the closing process, or cannot be smoothly opened due to the fact that objects press the upper cover, or cannot be smoothly overturned due to the fact that a driving mechanism for driving the upper cover to operate has a problem, and the like. In this case, it is determined whether the operation of the upper cover is malfunctioning by using signals of the two stroke switches. The method for controlling the opening and closing of the upper cover of the washing machine is further provided, namely whether the operation of the upper cover is abnormal or not is judged by detecting the time for the upper cover to turn over along the opening or closing direction. After the upper cover starts to open or close, the signal interval time of the first travel switch and the second travel switch exceeds the normal preset time T1; or the other signal is not received within the preset time T1 which is longer than the normal time after one signal of the first travel switch and the second travel switch is received, the operation abnormality of the upper cover can be judged, and then the controller can execute the operation abnormality processing program of the upper cover.
The specific control method is as follows:
the first preferred embodiment:
the preferred embodiment provides a method for controlling the opening and closing of an upper cover of a washing machine.
As shown in fig. 1, the method specifically comprises the following steps:
step 1, giving an instruction of automatically opening/closing the cover, and starting to operate the upper cover switch motor.
And 2, when the upper cover leaves the initial position, the first travel switch at the initial position sends a first signal, and when the upper cover reaches the target position, the second travel switch sends a second signal. Wherein the initial position may be an upper cover open position or a closed position, and the corresponding target position is an upper cover closed position or an open position. And timing the time interval between the first signal and the second signal to obtain the running time T. When the running time T exceeds the preset time T1, the upper cover is judged to be abnormal in opening and closing, and the step 3 is carried out; and when the timing is not reached or is just equal to the preset time, judging that the upper cover is normally opened and closed, and turning to the step 5.
And 3, stopping the operation of an upper cover switch motor in the driving mechanism.
And 4, giving out fault prompt information by the control unit, giving a buzzer alarm, and prompting a user to deal with the problem.
And 5, finishing the program.
The second preferred embodiment:
the preferred embodiment provides a method for controlling the opening and closing of an upper cover of a washing machine.
As shown in fig. 2, the method specifically comprises the following steps:
step 1, giving an instruction of automatically opening/closing the cover, and starting to operate the upper cover switch motor.
And 2, when the upper cover leaves the initial position, the first travel switch sends a first signal, and when the running time T exceeds the preset time T1, the second travel switch still does not send a second signal, so that the abnormal opening and closing of the upper cover is judged. Wherein the initial position may be an upper cover open position or a closed position, and the corresponding target position is an upper cover closed position or an open position.
And 3, stopping the operation of the upper cover switching motor.
And 4, sending the fault remote prompt information to a terminal specified by the user by the control unit, and prompting the user to solve the problem. The terminal can be a mobile phone, a computer and other devices capable of receiving remote signals.
And 5, finishing the program.
The third preferred embodiment:
the preferred embodiment provides a method for controlling the opening and closing of an upper cover of a washing machine, wherein the upper cover can be overturned under the driving of a driving mechanism to realize the opening or closing, and the method comprises the following steps: and step S1, judging whether the upper cover is abnormal or not according to the time for the upper cover to turn over along one direction.
As shown in fig. 3, the method specifically comprises the following steps:
step 1, giving an instruction of automatically opening/closing the cover, and starting to operate the upper cover switch motor.
And 2, judging whether the upper cover is opened and closed in place, if so, turning to the step 4, and otherwise, turning to the step 3.
And 3, stopping the operation of the upper cover switch motor or giving prompt information.
And 4, finishing the program.
In step 2, the specific method for determining whether the upper cover is opened or closed in place is not limited, and may be the method in the first or second preferred embodiment, or may be other methods, and it is sufficient to determine that the upper cover is opened or closed abnormally.
In step 3, before, simultaneously with or after stopping the operation of the upper cover switching motor, the control unit may give a prompt message, give a prompt tone or perform a remote fault prompt to prompt the user to deal with the problem. In the case of a household in which pets such as cats and dogs are kept, the abnormal opening and closing of the upper cover may be caused by the pets lying down near the upper cover, and therefore the control unit may control the speaker to emit warning sounds (such as sounds of lions and tigers) that threaten the animals. After the pet is frightened to leave the position of the upper cover, the upper cover can be automatically opened and closed in place.
Claims (6)
1. A washing machine upper cover opening and closing control method is characterized in that the upper cover can be overturned to be opened or closed under the driving of a driving mechanism, and the method comprises the following steps:
step S1, judging whether the upper cover is abnormal according to the time of the upper cover turning along the opening or closing direction;
when it is determined in step S1 that the operation of the upper cover is abnormal, the method further includes the steps of:
step S2, stopping the operation of a cover door opening and closing motor in the driving mechanism;
step S3, the routine ends;
in step S1, when the upper lid is moved away from the initial position, timing is started, and if no signal indicating that the upper lid has reached the target position is received within a predetermined time T1, it is determined that the upper lid is abnormally operated; when the initial position is the opening position of the upper cover, the target position is the closing position of the upper cover; when the initial position is the closing position of the upper cover, the target position is the opening position of the upper cover;
before stopping the operation of the cover door opening and closing motor in the driving mechanism, the method further comprises the following steps:
the control unit controls the loudspeaker to emit warning sound having a threatening effect on the animal.
2. The method for controlling opening and closing of the upper cover of the washing machine according to claim 1, wherein the step S1 is specifically as follows: detecting the running time T of the upper cover between the opening position and the closing position; and if the running time T exceeds the preset time T1, judging that the upper cover is abnormally operated.
3. The upper cover opening and closing control method of a washing machine as claimed in claim 2, wherein travel switches are provided at the opening position and the closing position of the upper cover, respectively, and the operation time T is detected by taking a difference in signal receiving time between the first travel switch signal and the second travel switch signal as the operation time T.
4. The upper cover opening and closing control method of a washing machine as claimed in claim 1, wherein the control unit gives a prompt message and/or emits a prompt tone at the same time or after stopping the operation of the upper cover opening and closing motor in step S2.
5. The upper cover opening and closing control method of the washing machine as claimed in claim 1, wherein the control unit sends a malfunction remote notice message to the designated terminal at the same time as or after stopping the operation of the upper cover opening and closing motor in step S2.
6. The upper cover opening and closing control method of the washing machine as claimed in claim 1, wherein the control unit gives a prompt message, a remote fault prompt message to a designated terminal and/or a prompt sound when it is determined in the step S1 that the upper cover is abnormally operated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128906.1A CN104975459B (en) | 2014-04-01 | 2014-04-01 | Method for controlling opening and closing of upper cover of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128906.1A CN104975459B (en) | 2014-04-01 | 2014-04-01 | Method for controlling opening and closing of upper cover of washing machine |
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| Publication Number | Publication Date |
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| CN104975459A CN104975459A (en) | 2015-10-14 |
| CN104975459B true CN104975459B (en) | 2020-04-07 |
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| CN201410128906.1A Active CN104975459B (en) | 2014-04-01 | 2014-04-01 | Method for controlling opening and closing of upper cover of washing machine |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400389B (en) * | 2016-10-31 | 2019-10-22 | 无锡小天鹅电器有限公司 | The control method of washing facility and washing facility |
| CN107488978A (en) * | 2017-09-08 | 2017-12-19 | 青岛海尔洗衣机有限公司 | The control method and washing machine of a kind of washing machine |
| CN110195310A (en) * | 2018-02-26 | 2019-09-03 | 青岛海尔洗衣机有限公司 | Pass lid detecting and controlling system and method for top-opening type clothes treatment device |
| CN110320824A (en) * | 2018-03-28 | 2019-10-11 | 深圳光峰科技股份有限公司 | A kind of cover sliding device control system and method |
| CN108771525B (en) * | 2018-05-23 | 2021-11-23 | 佛山市顺德区美的洗涤电器制造有限公司 | Method and device for protecting operation of cover plate motor and computer readable storage medium |
| CN108742448B (en) * | 2018-05-23 | 2021-01-08 | 佛山市顺德区美的洗涤电器制造有限公司 | Dishwasher cover plate state detection method and device and computer readable storage medium |
| CN108742188B (en) * | 2018-05-28 | 2022-04-05 | 九阳股份有限公司 | Control method of food processing machine |
| CN110870671B (en) * | 2018-08-31 | 2022-05-03 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance, control method and system thereof, and computer-readable storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158924A (en) * | 1995-11-09 | 1997-09-10 | 三星电子株式会社 | Control method for automatic door opening/closing apparatus in washing machine |
| CN103276557A (en) * | 2013-05-24 | 2013-09-04 | 海尔集团公司 | Washing machine malfunction warning and judging method, washing machine and washing machine malfunction warning and judging system |
-
2014
- 2014-04-01 CN CN201410128906.1A patent/CN104975459B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158924A (en) * | 1995-11-09 | 1997-09-10 | 三星电子株式会社 | Control method for automatic door opening/closing apparatus in washing machine |
| CN103276557A (en) * | 2013-05-24 | 2013-09-04 | 海尔集团公司 | Washing machine malfunction warning and judging method, washing machine and washing machine malfunction warning and judging system |
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| CN104975459A (en) | 2015-10-14 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160601 Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant after: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Applicant before: HAIER Group Corp. Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. |
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Effective date of registration: 20201113 Address after: 266101 Haier Road, Qingdao hi tech Zone, Qingdao, Shandong Province, No. 1 Patentee after: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Patentee after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Patentee before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
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Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Patentee after: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Patentee after: Haier Smart Home Co., Ltd. Address before: No.1, Haier Road, hi tech Zone, Qingdao City, Shandong Province Patentee before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Patentee before: Haier Smart Home Co., Ltd. |