CN111172708A - Washing apparatus and control method thereof - Google Patents
Washing apparatus and control method thereof Download PDFInfo
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- CN111172708A CN111172708A CN201811247194.XA CN201811247194A CN111172708A CN 111172708 A CN111172708 A CN 111172708A CN 201811247194 A CN201811247194 A CN 201811247194A CN 111172708 A CN111172708 A CN 111172708A
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Abstract
本发明属于洗涤设备技术领域，具体涉及一种洗涤设备及其控制方法。本发明旨在解决现有洗涤设备容易对洗涤桶的振动情况产生误判的问题。为此，本发明的控制方法包括：获取振动检测开关处于断开状态的持续时间；根据振动检测开关处于断开状态的持续时间，选择性地使洗涤设备停止运行当前洗涤模式。本发明通过将振动检测开关处于断开状态的持续时间作为基础参数，使得洗涤设备能够有效排除洗涤桶只是产生瞬间振动的意外情况，从而保证洗涤设备能够准确识别出洗涤桶产生持续振动的情形，进而有效提升用户体验。
The invention belongs to the technical field of washing equipment, and particularly relates to a washing equipment and a control method thereof. The invention aims to solve the problem that the existing washing equipment easily misjudges the vibration of the washing tub. To this end, the control method of the present invention includes: acquiring the duration that the vibration detection switch is in the off state; and selectively stopping the washing apparatus from running the current washing mode according to the duration of the vibration detecting switch being in the off state. By using the duration of the vibration detection switch in the off state as a basic parameter, the invention enables the washing equipment to effectively eliminate the unexpected situation that the washing tub only generates instantaneous vibration, thereby ensuring that the washing equipment can accurately identify the situation that the washing tub generates continuous vibration. This effectively improves the user experience.
Description
Technical Field
The invention belongs to the technical field of washing equipment, and particularly relates to washing equipment and a control method thereof.
Background
With the continuous progress of science and technology, more and more types of washing equipment appear on the market, and people also begin to put higher and higher requirements on the comprehensive performance of the washing equipment. Taking a washing machine as an example, in order to effectively improve the safety performance and the use experience of the washing machine, the existing washing machine is provided with a vibration detection switch. Generally, when the washing machine is operated smoothly, the vibration detection switch is in a closed state; when the load in the washing machine is eccentric, the washing tub of the washing machine will vibrate to impact the casing of the washing machine, and the vibration detecting switch will be in off state. The control mode of the existing washing machine is that the washing machine stops running as long as the vibration detection switch is in an off state; however, the control method is easy to have misjudgment in the application process through user feedback. For example, in the operation process of the washing machine, if a user accidentally taps the upper cover of the washing machine, the vibration detection switch may be in an off state, so that the washing machine stops operating, and the user experience is seriously affected.
Accordingly, there is a need in the art for a new washing apparatus and a control method thereof to solve the above-mentioned problems.
Disclosure of Invention
In order to solve the above-mentioned problems in the prior art, i.e. to solve the problem that the existing washing apparatus is prone to misjudge the vibration condition of the washing tub, the present invention provides a control method for a washing apparatus, the washing apparatus including a vibration detection switch, the control method including: acquiring the duration of the vibration detection switch in an off state; selectively stopping the washing apparatus from operating the current washing mode according to a duration of the vibration detection switch being in the off state.
In a preferred embodiment of the above method for controlling a washing apparatus, the step of selectively stopping the washing apparatus from operating in the current washing mode according to the duration of the off state of the vibration detection switch specifically includes: comparing the duration of the vibration detection switch in the off state with a preset time; and selectively stopping the washing equipment from operating the current washing mode according to the comparison result of the duration time of the off state of the vibration detection switch and the preset time.
In a preferred embodiment of the above method for controlling a washing apparatus, the step of selectively stopping the washing apparatus from operating in the current washing mode according to a comparison result between the duration of the vibration detection switch being in the off state and the preset time specifically includes: and if the duration time of the vibration detection switch in the off state is greater than or equal to the preset time, stopping the washing equipment from operating the current washing mode.
In a preferred embodiment of the above control method for a washing apparatus, the control method further comprises: and if the duration time of the vibration detection switch in the off state is greater than or equal to the preset time, enabling the washing equipment to operate in a vibration correction mode.
In a preferred embodiment of the above method for controlling a washing apparatus, the washing apparatus includes a pulsator, and the step of "operating the washing apparatus in a vibration correction mode" includes: causing the washing apparatus to perform a water inlet operation; enabling the impeller to rotate at a preset rotating speed for a first preset time; enabling the impeller to operate at a first preset rotation-stop ratio for a second preset time; enabling the impeller to operate at a second preset rotation-stop ratio for a third preset time; causing the washing apparatus to perform a draining operation.
In a preferred embodiment of the above control method for a washing apparatus, the control method further comprises: and if the frequency of the washing equipment running the vibration correction mode reaches the preset frequency, enabling the washing equipment to send an abnormal prompt.
In a preferred embodiment of the above method for controlling a washing apparatus, the step of selectively stopping the washing apparatus from operating in the current washing mode according to a comparison result between the duration of the vibration detection switch being in the off state and the preset time specifically includes: and if the duration time of the vibration detection switch in the off state is less than the preset time, not stopping the washing equipment from running the current washing mode.
In a preferred embodiment of the above method for controlling a washing apparatus, the step of "acquiring a duration of the vibration detection switch being in the off state" includes: the duration of time that the vibration detection switch is at a low level is obtained.
In a preferred technical solution of the above control method for a washing apparatus, the washing apparatus includes a shaking switch or a safety switch, and the step of "acquiring a duration time that the vibration detection switch is at a low level" specifically includes: and acquiring the duration of the shaking switch or the safety switch at a low level.
The invention also provides washing equipment which comprises a controller, wherein the controller can execute the control method in any one of the preferable technical scheme.
As can be understood by those skilled in the art, in the technical solution of the present invention, the washing device of the present invention includes a vibration detection switch, the vibration detection switch is capable of detecting a vibration condition of the washing device, and when the washing device is operated smoothly, the vibration detection switch is in a closed state; when the washing equipment generates a vibration phenomenon, whether instantaneous or continuous, the vibration detection switch is switched from a closed state to an open state. The control method of the invention comprises the following steps: acquiring the duration of the vibration detection switch in an off state; selectively stopping the washing apparatus from operating the current washing mode according to a duration of the vibration detection switch being in the off state. According to the invention, the duration time of the vibration detection switch in the off state is used as a basic parameter, so that the washing equipment can effectively eliminate the condition of instantaneous vibration, namely, if the washing equipment generates instantaneous vibration due to some special conditions, such as the condition that a user carelessly beats the upper cover of the washing equipment, the washing equipment cannot generate misjudgment, the accuracy of the washing equipment in judging the vibration condition is effectively ensured, and the user experience is further effectively improved.
Further, in a preferred technical solution of the present invention, the control method of the present invention can accurately determine whether the washing device really cannot run smoothly according to a comparison result between the duration time of the off state of the vibration detection switch and the preset time, that is, the control method can selectively stop the washing device from running in the current washing mode according to the real running condition of the washing device, thereby effectively ensuring the safe running of the washing device.
Further, in a preferred embodiment of the present invention, if the duration of the vibration detection switch being in the off state is greater than or equal to the preset time, the controller of the washing apparatus can determine that a continuous vibration phenomenon does occur in the operation process of the washing apparatus; at this time, the controller can control the washing apparatus to stop operating the current washing mode, so as to effectively protect the washing apparatus.
Furthermore, when the washing equipment determines that the vibration phenomenon does occur during the operation of the washing equipment, the controller of the washing equipment can control the vibration correction mode of the operation of the washing equipment, so that the washing equipment can automatically solve the problem that the washing equipment cannot run stably under the condition that a user does not need to perform any operation, and the automation degree of the washing equipment is further improved to the maximum degree.
Further, the controller may control the washing apparatus to perform a water supply operation first when the washing apparatus operates a vibration correction mode during the washing apparatus performs a dehydration operation so that the laundry can be sufficiently spread in water; then, the controller controls the impeller to operate at the preset rotating speed for the first preset time so that the clothes can be in full contact with water; then the controller controls the impeller to operate for the second preset time at the first preset rotation-stop ratio and then operate for the third preset time at the second rotation-stop ratio so as to enable the clothes to be dispersed in water as much as possible and to be uniformly distributed, and therefore the problem of eccentricity caused by the winding of the clothes is effectively solved; finally, the controller controls the washing apparatus to perform a draining operation so that the washing apparatus can continue to perform a dehydrating operation.
Further, in a preferred technical solution of the present invention, if the number of times that the washing apparatus operates in the vibration correction mode reaches a preset number of times, it indicates that the laundry entangled in the washing apparatus cannot be separated only by the vibration correction mode of the washing apparatus, and at this time, in order to effectively ensure the safe operation of the washing apparatus, the controller controls the washing apparatus to send an abnormal reminder so as to remind a user to rearrange the laundry in the washing apparatus, thereby effectively ensuring the stable operation of the washing apparatus.
Further, in a preferred technical solution of the present invention, if the duration of the vibration detection switch being in the off state is less than the preset time, it indicates that the washing tub is only momentarily vibrated due to an external condition, and at this time, it is not necessary to stop the washing device from operating in the current washing mode, thereby effectively ensuring the normal operation of the washing device.
Further, in a preferred technical solution of the present invention, the controller obtains a duration time of the vibration detection switch being at a low level as a basic parameter; it can be understood that, when the vibration detection switch is in the off state, the vibration detection switch is also in the low level state, and the controller obtains the duration time that the vibration detection switch is in the low level state is equivalent to obtaining the time that the vibration detection switch is in the off state, and this obtaining mode has the advantages of accuracy and high efficiency, and the accuracy of the determination result can be further effectively ensured by obtaining the basic parameter in this way.
Further, in a preferred embodiment of the present invention, as a vibration detection switch commonly used in the prior art, a shake switch or a safety switch may be used as the vibration detection switch in the present invention.
Drawings
FIG. 1 is a flow chart of the main steps of the control method of the present invention;
fig. 2 is a flow chart of the steps of a preferred embodiment of the control method of the present invention.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. For example, although the steps of the method of the present invention are described herein in a particular order, these orders are not limiting, and one skilled in the art may perform the steps in a different order without departing from the underlying principles of the invention. The control method of the present invention will be described in detail below by taking the washing apparatus as a washing machine as an example; it will be understood by those skilled in the art that although the preferred embodiment is described in conjunction with the case where the washing apparatus is a washing machine, it is apparent that the washing apparatus may be other apparatuses having a washing function as long as the washing apparatus includes a vibration detection switch.
Specifically, in the preferred embodiment, the washing machine includes a cabinet, a washing tub disposed in the cabinet, and a tray connected to the cabinet, wherein a vibration detection switch is disposed on the tray and is used for detecting a vibration condition of the washing machine. In the using process of the vibration detection switch, when the washing machine runs smoothly, the vibration detection switch is in a closed state and outputs a high level; when the washing barrel generates vibration and reaches the set maximum vibration amplitude, the vibration detection switch is switched to an off state to output a low level. It can be understood by those skilled in the art that although the vibration detection switch is provided on the base of the washing machine in the preferred embodiment; however, it is obvious that the vibration detection switch may be disposed at other positions of the washing machine as long as the vibration detection switch can detect the vibration of the washing machine. Further, the vibration detection switch is preferably a shaking switch or a safety switch of the washing machine; of course, this description is not limiting, and the skilled person may select other types of vibration detection switches at his or her discretion.
Further, the washing machine further comprises a controller, and the controller can operate the control method of the invention, namely the controller can acquire the vibration condition of the washing machine through the vibration detection switch. As a preferable mode, the controller can acquire the duration of the vibration detection switch in the open state and the closed state by acquiring the duration of the vibration detection switch in the low level and the high level, and can control the operation of the washing machine according to the detection result of the vibration detection switch. Of course, this description is not limiting, and the controller may obtain the duration of the open state and the closed state of the vibration detection switch in other ways; for example, the controller may further acquire the duration of the vibration detection switch in the open state and the closed state by acquiring a distance between two contacts of the vibration detection switch. It should be noted that the controller may acquire only the duration of the vibration detection switch in the off state, and may not acquire the duration of the vibration detection switch in the on state. It can be understood by those skilled in the art that the present invention does not impose any limitation on the specific structure and model of the controller, and the controller may be an original controller of the washing machine or a controller separately provided to perform the control method of the present invention.
Referring first to fig. 1, a flow chart of main steps of the control method of the present invention is shown. As shown in fig. 1, based on the washing machine described in the preferred embodiment, the control method of the present invention mainly includes the following steps:
s1: acquiring the duration of the vibration detection switch in an off state;
s2: and selectively stopping the washing machine from operating the current washing mode according to the duration of the off state of the vibration detection switch.
Further, during the operation of the washing machine, the controller may control the washing machine to perform step S1, that is, the controller may obtain the duration of the vibration detection switch being in the off state in real time; it should be noted that, the invention does not limit the manner of acquiring the duration time of the off state of the vibration detection switch by the controller, and a technician can select the acquisition manner by himself according to the use requirement; for example, the controller may acquire the duration of the vibration detection switch being in the off state by acquiring the duration of the vibration detection switch being at a low level, or the controller may acquire the duration of the vibration detection switch being in the off state by acquiring a distance between two contacts of the vibration detection switch, that is, as long as the controller can acquire the duration of the vibration detection switch being in the off state. It should be noted that although the trigger state of the vibration detection switch is described as the open state in the present application, this is not a limitation to the present invention, and those skilled in the art may also describe the trigger state of the vibration detection switch as the closed state as needed, that is, the vibration detection switch is normally open and closed when the washing machine vibrates greatly, and such changes do not depart from the basic principle of the present invention, and therefore, will also fall within the protection scope of the present invention.
Further, in step S2, the controller can selectively stop the washing machine from operating in the current washing mode according to the duration of the off state of the vibration detection switch, and of course, a technician can set specific conditions for stopping the washing machine from operating in the current washing mode by himself; for example, the controller may compare the duration of the vibration detection switch being in the off state with a preset time, or the controller may compare the duration of the vibration detection switch being in the off state with a preset mapping relationship, so that the controller can selectively stop the washing machine from operating in the current washing mode according to the duration of the vibration detection switch being in the off state. It can be understood by those skilled in the art that it is within the scope of the present invention for the control method to control the current operating state of the washing machine with the duration of the off state of the vibration detection switch as its basic parameter.
Reference is now made to fig. 2, which is a flow chart of the steps of a preferred embodiment of the control method of the present invention. As shown in fig. 2, based on the washing machine in the preferred embodiment, the preferred embodiment of the control method of the present invention specifically includes the following steps:
s101: acquiring the duration of the vibration detection switch at a low level;
s102: judging whether the duration time of the vibration detection switch at the low level is greater than or equal to the preset time or not; if yes, executing step S104; if not, executing step S103;
s103: maintaining the washing machine in a current washing mode;
s104: stopping the washing machine from performing the dehydration operation;
s105: causing the washing machine to perform a water supply operation;
s106: rotating the impeller at a preset rotating speed for a first preset time;
s107: the impeller is driven to rotate for a second preset time at a first preset rotation-stop ratio;
s108: enabling the impeller to operate for a third preset time at a second preset rotation-stop ratio;
s109: causing the washing machine to perform a draining operation;
s110: the washing machine is caused to continue to perform the dehydrating operation.
Further, during the operation of the washing machine for the dehydration, the controller may control the washing machine to perform the step S101, that is, the controller may acquire a duration in which the vibration detection switch is at a low level; it should be noted that although the preferred embodiment obtains the duration time of the vibration detection switch being in the off state by obtaining the duration time of the vibration detection switch being at the low level, it is obvious to the skilled person that the duration time of the vibration detection switch being in the off state can also be obtained by other manners as long as the controller can obtain the duration time of the vibration detection switch being in the off state. It can be understood that, in the preferred embodiment, when the controller acquires that the vibration detection switch is at a high level, the controller does not adjust the operation condition of the washing machine; when the controller acquires that the vibration detection switch is at a low level, the controller acquires the duration of the vibration detection switch; of course, the controller may also obtain the duration of time that the vibration detection switch is at the low level by calculating the time difference between two times of high level. It should be noted that although the preferred embodiment is described by way of example in connection with the process of performing a spinning operation of the washing machine, it is obvious that the control method of the present invention can also be used in the process of performing other operations of the washing machine without departing from the basic principle of the present invention.
Further, in step S102, the controller compares the duration of the vibration detection switch being at the low level with the preset time, and determines whether the duration of the vibration detection switch being at the low level is greater than or equal to the preset time. It should be noted that the preset time is preferably 48 milliseconds; of course, the technician can set the length of the preset time according to the actual use condition, as long as the preset time can accurately distinguish whether the washing machine really has the continuous vibration phenomenon. Specifically, in step S102, if the controller determines that the duration of the low level of the vibration detection switch is less than the preset time, it indicates that the washing machine does not generate a continuous vibration phenomenon, for example, the washing machine may only generate a movement phenomenon under an external force; at this time, the washing mode of the washing machine does not need to be adjusted, and step S103 is performed, in which the controller controls the washing machine to maintain the current washing mode.
Further, in step S102, if the controller determines that the duration of the vibration detection switch being at the low level is greater than or equal to the preset time, it indicates that the washing machine has generated a continuous vibration phenomenon; at this time, the controller must adjust the operation condition of the washing machine so as to re-enter the washing machine into a smooth operation state. Therefore, when the duration of the vibration detection switch being in the off state is greater than or equal to the preset time, step S104 is performed, i.e., the controller controls the washing machine to stop operating the current washing mode, i.e., to stop the washing machine from performing the spinning operation, and to operate the washing machine in the vibration correction mode, which includes step S105 to step S109 in the present preferred embodiment. It should be noted that, although the vibration correction mode described in the present preferred embodiment includes steps S105 to S109; however, it is obvious that such description is exemplary, i.e., a skilled person can set the specific operation performed by the vibration correction mode at will according to the actual situation.
Further, in step S105, the controller controls the washing machine to perform a water supply operation; preferably, the controller controls the washing machine to supply water to the rinsing water level, but this is not limitative, and a technician may set the water supply level by himself/herself. Next, in step S106, the controller controls the pulsator of the washing machine to operate at the preset rotation speed for the first preset time, so that the clothes can be spread sufficiently in the water. It should be noted that, preferably, the preset rotation speed is the washing rotation speed of the pulsator; in addition, when the vibration detection switch is a shaking switch, the first preset time is 2 minutes; when the vibration detection switch is a safety switch, the first preset time is 1 minute. In step S107, the controller controls the pulsator of the washing machine to operate at the first preset stop and rotation ratio for the second preset time so that the laundry can be sufficiently contacted with water. It should be noted that, preferably, the first rotation-stop ratio is that the impeller rotates at the washing speed for 0.6 second, and then stops rotating for 0.6 second; the second preset time is 2 minutes. In step S108, the controller controls the pulsator of the washing machine to operate at the second preset rotation/stop ratio for the third preset time, so that the laundry is dispersed as much as possible in the water and can be uniformly distributed. It should be noted that, preferably, the second rotation/stop ratio is that the impeller rotates at the washing speed for 0.5 second, and then stops rotating for 0.5 second; the third preset time is 1 minute. It can be understood by those skilled in the art that the specific time setting is exemplary, and the skilled person can set the specific time according to the actual use requirement. Finally, in step S109, the controller controls the washing machine to perform a water discharge operation so that the washing machine can continue to perform a dehydration operation in step S110.
Further, based on the above preferred embodiment, the control method further includes: when the frequency of the washing machine running vibration correction mode reaches the preset frequency, the washing machine can also send an abnormal prompt to a user. It can be understood that, after the washing machine operates the vibration correction mode for a plurality of times, if the washing machine still generates the phenomenon of continuous vibration, it means that the laundry entangled in the washing machine cannot be separated only by means of the vibration correction mode of the washing machine; therefore, the washing machine needs to send an abnormal prompt to a user, even prompts the user that the user needs to manually unwind the wound clothes, so that the user can accurately and efficiently solve the problem, and the safe operation of the washing machine is further ensured to the greatest extent. The skilled person in the art can understand that the skilled person can set the specific value of the preset times according to the actual use condition; preferably, the preset number of times is 4.
Finally, it should be noted that the above examples are all preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. When the present invention is actually used, a part of the steps may be added or deleted as needed or the order between the different steps may be changed by those skilled in the art. Such variations are not to be regarded as a departure from the spirit and scope of the invention.
So far, the preferred embodiments of the present invention have been described in conjunction with the accompanying drawings, but it is apparent to those skilled in the art that the scope of the present invention is not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811247194.XA CN111172708A (en) | 2018-10-24 | 2018-10-24 | Washing apparatus and control method thereof |
| PCT/CN2019/112234 WO2020083191A1 (en) | 2018-10-24 | 2019-10-21 | Washing device and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811247194.XA CN111172708A (en) | 2018-10-24 | 2018-10-24 | Washing apparatus and control method thereof |
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| CN111172708A true CN111172708A (en) | 2020-05-19 |
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| WO2017111465A1 (en) * | 2015-12-25 | 2017-06-29 | 삼성전자주식회사 | Washing machine and method for controlling same |
| CN107090695A (en) * | 2017-04-25 | 2017-08-25 | 无锡飞翎电子有限公司 | Washing machine and its control method, tub-impact detector, hit a barrel detection method |
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| CN1160100A (en) * | 1996-02-22 | 1997-09-24 | Lg电子株式会社 | Dehydrating apparatus of automatic washing machine and control method thereof |
| WO2017111465A1 (en) * | 2015-12-25 | 2017-06-29 | 삼성전자주식회사 | Washing machine and method for controlling same |
| CN105780379A (en) * | 2016-03-23 | 2016-07-20 | 深圳Tcl新技术有限公司 | Work reminding method and system for washing machine |
| CN105937126A (en) * | 2016-06-28 | 2016-09-14 | 无锡小天鹅股份有限公司 | Washing machine and control method and device thereof |
| CN105951355A (en) * | 2016-06-30 | 2016-09-21 | 无锡小天鹅股份有限公司 | Washing machine as well as dehydration control method and device thereof |
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Application publication date: 20200519 |