CN111719283A - Control method of clothes treatment equipment and clothes treatment equipment - Google Patents
Control method of clothes treatment equipment and clothes treatment equipment Download PDFInfo
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- CN111719283A CN111719283A CN201910161008.9A CN201910161008A CN111719283A CN 111719283 A CN111719283 A CN 111719283A CN 201910161008 A CN201910161008 A CN 201910161008A CN 111719283 A CN111719283 A CN 111719283A
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- driving motor
- coil temperature
- preset value
- stop
- control method
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention belongs to the technical field of clothes treatment, and aims to solve the problem that the normal operation of the clothes treatment equipment is influenced by frequent and long-time halt of the conventional clothes treatment equipment due to overhigh coil temperature of a driving motor in the operation process. To this end, the present invention provides a control method of a laundry treating apparatus including a driving motor and a laundry treating drum connected to an output shaft of the driving motor, the control method including: acquiring a coil temperature of a driving motor during operation of the laundry treating apparatus; the stop/turn ratio of the driving motor is selectively lowered according to the coil temperature of the driving motor. The invention can ensure that the coil temperature of the driving motor of the clothes treatment equipment is not too high, and the normal operation of the clothes treatment equipment is not influenced, so that the clothes treatment equipment can continuously treat clothes, a user does not need to wait for a long time, and the user experience is improved.
Description
Technical Field
The invention belongs to the technical field of clothes treatment, and particularly provides a control method of clothes treatment equipment and the clothes treatment equipment.
Background
The laundry treating apparatus is an apparatus capable of washing, drying, sterilizing and/or deodorizing laundry, and the types of existing laundry treating apparatuses include a washing machine, a shoe washing machine, a washing and drying all-in-one machine, a clothes dryer, a laundry sterilizing machine, a laundry deodorizing machine, and the like.
In the prior art, a laundry processing apparatus such as a washing machine generally has a washing tub, which is driven by a driving motor to rotate, so that laundry is continuously tumbled in the washing tub, thereby achieving the purposes of washing, rinsing and dewatering. However, the coil temperature of the driving motor is continuously increased in the process of continuously operating the driving motor, especially in a space with a relatively high ambient temperature, the coil temperature is rapidly increased, the conventional washing machine or the driving motor generally has a temperature protection function, that is, when the coil temperature of the driving motor is too high, the driving motor stops operating and continues for a long time, and then the driving motor starts to operate until the coil temperature is reduced.
Therefore, there is a need in the art for a new control method of a laundry treating apparatus and a corresponding laundry treating apparatus to solve the above-mentioned problems.
Disclosure of Invention
In order to solve the above problems in the prior art, that is, to solve the problem that the normal operation of the laundry treatment apparatus is affected due to frequent and long-time shutdown of the conventional laundry treatment apparatus due to overhigh temperature of a coil of a driving motor during the operation of the laundry treatment apparatus, the present invention provides a control method of the laundry treatment apparatus, the laundry treatment apparatus includes the driving motor and a laundry treatment drum connected to an output shaft of the driving motor, the control method includes: acquiring a coil temperature of a driving motor during operation of the laundry treating apparatus; the stop/turn ratio of the driving motor is selectively lowered according to the coil temperature of the driving motor.
In a preferred embodiment of the above control method, the step of "selectively lowering the stop-and-go ratio of the drive motor according to the coil temperature of the drive motor" includes: comparing the coil temperature of the driving motor with a first preset value; and selectively reducing the rotation-stop ratio of the driving motor according to the comparison result of the coil temperature of the driving motor and the first preset value.
In a preferred embodiment of the above control method, the step of selectively decreasing the stop-and-go ratio of the driving motor according to the comparison result between the coil temperature of the driving motor and the first preset value includes: and if the coil temperature of the driving motor is greater than or equal to the first preset value, reducing the rotation-stop ratio of the driving motor.
In a preferred embodiment of the above control method, the step of selectively decreasing the stop-and-go ratio of the driving motor according to the comparison result between the coil temperature of the driving motor and the first preset value further includes: and if the coil temperature of the driving motor is less than the first preset value, maintaining the rotation-stop ratio of the driving motor.
In a preferred embodiment of the above control method, after the step of "lowering the rotation/stop ratio of the drive motor", the control method further includes: continuously acquiring the coil temperature of the driving motor; comparing the coil temperature of the driving motor with a second preset value; and selectively reducing the rotation-stop ratio of the driving motor according to the comparison result of the coil temperature of the driving motor and a second preset value, wherein the second preset value is smaller than the first preset value.
In a preferred embodiment of the above control method, the step of selectively decreasing the stop-and-go ratio of the driving motor according to the comparison result between the coil temperature of the driving motor and the second preset value includes: and if the coil temperature of the driving motor is greater than or equal to the second preset value, reducing the rotation-stop ratio of the driving motor.
In a preferred embodiment of the above control method, the step of selectively decreasing the stop-and-go ratio of the driving motor according to the comparison result between the coil temperature of the driving motor and the second preset value further includes: and if the coil temperature of the driving motor is less than the second preset value, maintaining the rotation-stop ratio of the driving motor.
In a preferred embodiment of the above control method, the step of "acquiring the coil temperature of the driving motor" includes: and acquiring the coil temperature of the driving motor through a temperature sensor arranged on the driving motor.
In a preferred embodiment of the above control method, the step of "continuously acquiring the coil temperature of the driving motor" includes: and continuously acquiring the coil temperature of the driving motor through a temperature sensor arranged on the driving motor.
In another aspect, the present invention also provides a laundry treating apparatus including a controller capable of performing the control method described above.
As can be understood by those skilled in the art, in the preferred technical solution of the present invention, during the operation of the laundry treatment apparatus, the rotation-stop ratio of the driving motor can be selectively reduced through the detected coil temperature of the driving motor, that is, when the coil temperature of the driving motor is too high, the rotation-stop ratio of the driving motor can be reduced, so as to ensure that the coil temperature of the driving motor is not too high, but is maintained in a relatively proper temperature range, which does not affect the normal operation of the laundry treatment apparatus, so that the laundry treatment apparatus can continuously treat laundry, a user does not need to wait for a long time, and the user experience is improved.
Further, the coil temperature of the driving motor is compared with a first preset value, the rotation-stop ratio of the driving motor is reduced if the first preset value is reached, the coil temperature of the driving motor can be continuously acquired after the rotation-stop ratio of the driving motor is reduced, then the acquired coil temperature of the driving motor is compared with a stricter second preset value, if the coil temperature of the driving motor is higher than the second preset value, the rotation-stop ratio of the driving motor needs to be further reduced, through the arrangement, namely through the stepped preset value arrangement, the rotation-stop ratio of the driving motor can be maintained in a reasonable temperature range according to practical application, the phenomenon that the coil temperature of the driving motor is too high is avoided, the normal operation of the clothes treatment equipment cannot be influenced, meanwhile, the service life of the driving motor is prolonged, and user experience is further improved.
Drawings
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings in conjunction with a washing machine, wherein:
FIG. 1 is a flow chart of a first embodiment of a control method of a washing machine according to the present invention;
fig. 2 is a flowchart of a second embodiment of a control method of a washing machine according to the present invention.
Detailed Description
First, it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention. For example, although the present invention is described in the context of a washing machine, the technical solution of the present invention is also applicable to a clothes dryer, a washing and drying machine, and the like, and such application objects should be changed without departing from the technical principle of the present invention, and all such changes should be limited within the protection scope of the present invention.
It should be noted that the terms "first", "second", "third" and "fourth" in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Based on the problem that the normal operation of the washing machine is affected due to frequent and long-time shutdown of the existing washing machine caused by overhigh coil temperature of the driving motor in the operation process of the washing machine indicated by the background art, the invention provides a control method for the washing machine, which aims to ensure that the coil temperature of the driving motor of the washing machine is not overhigh and the normal operation of the washing machine is not affected, so that the washing machine can continuously treat clothes, a user does not need to wait for a long time, and the user experience is improved.
Specifically, the washing machine of the invention comprises a driving motor and a washing barrel connected with an output shaft of the driving motor, wherein the driving motor can drive the washing barrel to rotate, when the washing machine washes, the driving motor drives the washing barrel according to a set rotation-stop ratio, namely, the driving motor drives the washing barrel to rotate for a period of time and then stops for a period of time, the steps are carried out in a staggered manner, when the driving motor drives the washing barrel to rotate, the coil temperature of the driving motor is increased, when the driving motor stops driving the washing barrel, the coil temperature of the driving motor is reduced, in a normal washing process, in order to improve the washing efficiency, the set initial rotation-stop ratio of the driving motor is more than 1, namely, the rotation time of the washing barrel is more than the stop time, therefore, the coil temperature of the driving motor is continuously increased, especially in a space with higher environmental temperature, or the heat dissipation of the washing machine is slow, at this time, the temperature of the coil of the driving motor is further increased. The control method of the washing machine of the present invention comprises: acquiring the coil temperature of a driving motor in the operation process of the washing machine; the stop/turn ratio of the driving motor is selectively lowered according to the coil temperature of the driving motor. In practical application, the coil temperature of the driving motor can be always compared with a value, or the coil temperature of the driving motor can be respectively compared with different values after the rotation-stop ratio of the driving motor is reduced every time. In addition, in the present invention, the coil temperature of the driving motor may be directly compared with the preset value, or the absolute value of the difference between the coil temperature of the driving motor and the preset value may be calculated and then compared with another set value, or the ratio of the coil temperature of the driving motor to the preset value may be calculated and then compared with another set value, and the change of the calculation method does not depart from the principle of the present invention, and should be limited within the protection scope of the present invention. It should be noted that, in the present invention, a temperature sensor may be disposed on the driving motor to detect the coil temperature of the driving motor, and the current of the driving motor may also be acquired, and then the corresponding coil temperature is calculated according to the current.
The technical solution of the present invention is illustrated below with reference to two examples.
Example one
As shown in fig. 1, the step of selectively lowering the stop-and-go ratio of the driving motor according to the coil temperature of the driving motor includes: comparing the coil temperature of the driving motor with a first preset value; and selectively reducing the rotation-stop ratio of the driving motor according to the comparison result of the coil temperature of the driving motor and the first preset value. Specifically, the step of selectively reducing the stop-and-go ratio of the driving motor according to the comparison result of the coil temperature of the driving motor and the first preset value includes: if the coil temperature of the driving motor is greater than or equal to a first preset value, reducing the rotation-stop ratio of the driving motor; and if the coil temperature of the driving motor is less than the first preset value, maintaining the rotation-stop ratio of the driving motor. In this situation, only one preset value, namely the first preset value, is set, when the washing machine is in operation, the coil temperature of the driving motor is acquired, the coil temperature of the driving motor is compared with the first preset value, if the coil temperature of the driving motor does not reach the first preset value, the coil temperature of the driving motor is not high at the moment, only the rotation-stop ratio of the driving motor needs to be maintained, if the coil temperature of the driving motor reaches the first preset value, the coil temperature of the driving motor is over high at the moment, the rotation-stop ratio of the driving motor needs to be reduced, after the rotation-stop ratio of the driving motor is reduced, the coil temperature of the driving motor can be continuously acquired, then the coil temperature of the driving motor is compared with the first preset value, if the coil temperature of the driving motor still reaches the first preset value, the rotation-stop ratio of the driving motor needs to be further reduced, through the setting, namely, the coil temperature of the driving motor is compared with the first preset value all the time, so that the coil temperature of the driving motor is not overhigh.
It should be noted that, a person skilled in the art may flexibly set the initial rotation-stop ratio and the rotation-stop ratio after each adjustment in practical applications, for example, when the washing machine performs washing, the initial rotation-stop ratio of the driving motor may be set to 3, for example, the driving motor is alternately operated by rotating for 90s and stopping for 30s, when the coil temperature of the driving motor is greater than or equal to the first preset value, the rotation-stop ratio of the driving motor is reduced to 1, the driving motor is alternately operated by rotating for 30s and stopping for 30s, and if the coil temperature of the driving motor is still greater than or equal to the first preset value, the rotation-stop ratio of the driving motor is continuously reduced, for example, to 2/3, and the driving motor is alternately operated by rotating for 20s and stopping for 30 s. Of course, the above example is to reduce the stop ratio by making the stop time constant and the rotation time gradually reduced, in practical application, the stop ratio may also be reduced by making the stop time constant and the rotation time increased, or the stop ratio may be reduced by simultaneously reducing the rotation time and increasing the stop time, and the specific way of reducing the stop ratio may be flexibly set according to practical situations in the art.
In addition, it should be noted that, in the first embodiment, the first preset value may be a test value obtained through experiments in the field, or may also be an empirical value obtained through experience, and a person skilled in the art may flexibly set a specific temperature value of the first preset value in practical applications, as long as the temperature boundary point determined by the first preset value can determine whether the rotation-stop ratio of the driving motor needs to be reduced.
Example two
As shown in fig. 2, the step of "selectively lowering the stop-and-go ratio of the driving motor according to the coil temperature of the driving motor" includes: comparing the coil temperature of the driving motor with a first preset value; if the coil temperature of the driving motor is less than a first preset value, maintaining the rotation-stop ratio of the driving motor; if the coil temperature of the driving motor is greater than or equal to a first preset value, reducing the rotation-stop ratio of the driving motor; after the rotation-stop ratio of the driving motor is reduced, continuously acquiring the coil temperature of the driving motor; comparing the coil temperature of the driving motor with a second preset value; and selectively reducing the rotation-stop ratio of the driving motor according to the comparison result of the coil temperature of the driving motor and a second preset value, wherein the second preset value is smaller than the first preset value. Specifically, the step of selectively reducing the stop-and-go ratio of the driving motor according to the comparison result of the coil temperature of the driving motor and the second preset value includes: if the coil temperature of the driving motor is greater than or equal to a second preset value, reducing the rotation-stop ratio of the driving motor; and if the coil temperature of the driving motor is less than the second preset value, maintaining the rotation-stop ratio of the driving motor. In this situation, two preset values are set, namely the first preset value and the second preset value, and the second preset value is smaller than the first preset value, when the washing machine is in operation, the coil temperature of the driving motor is obtained, the coil temperature of the driving motor is compared with the first preset value, if the coil temperature of the driving motor does not reach the first preset value, the coil temperature of the driving motor is not high at the moment, only the rotation-stop ratio of the driving motor needs to be maintained, if the coil temperature of the driving motor reaches the first preset value, the coil temperature of the driving motor is too high at the moment, the rotation-stop ratio of the driving motor needs to be reduced, after the rotation-stop ratio of the driving motor is reduced, the coil temperature of the driving motor continues to be obtained, then the coil temperature of the driving motor is compared with the second preset value, if the coil temperature of the driving motor reaches the second preset value, the rotation-stop ratio of the driving motor needs to, through the arrangement, the coil temperature of the driving motor is firstly compared with the first preset value, and then compared with the second preset value after the rotation stop ratio of the driving motor is reduced, so that the coil temperature of the driving motor is not too high. In practical application, after the rotation-stop ratio of the driving motor is reduced, the coil temperature of the driving motor does not rise to the first preset value normally, so that a second preset value smaller than the first preset value is set during second judgment, the operation safety of the washing machine can be further improved, the second preset value can be set to be 60%, 70% or 80% of the first preset value, and the like, whether the rotation-stop ratio of the driving motor needs to be further reduced or not is further judged through the stricter second preset value, and compared with the first embodiment, the second embodiment sets two-stage safety protection, so that the coil temperature of the driving motor is further guaranteed not to be too high. Certainly, in practical applications, the second preset value may be set to be greater than the first preset value, that is, the coil temperature of the driving motor is first compared with the strict first preset value, and after the coil temperature of the driving motor reaches the first preset value and the rotation-stop ratio of the driving motor is reduced, the coil temperature of the driving motor is then compared with the second preset value, in this case, the coil temperature of the driving motor should not reach the first preset value any more, if the coil temperature of the driving motor not only reaches the first preset value but also reaches the second preset value, that is, the coil temperature of the driving motor does not decrease or increase reversely, it is indicated that the reduction of the rotation-stop ratio of the driving motor cannot meet the requirement of reducing the coil temperature of the driving motor, in this case, the environmental temperature is generally extremely high or the coil of the driving motor is aged, it is not desirable to drive the washing tub by the driving motor, the clothes washing machine can send an alarm prompt to a user to prompt the user to pause clothes washing or overhaul the clothes washing machine, or inform maintenance personnel to overhaul the clothes washing machine, so that safety accidents are avoided.
It should be noted that, similar to the embodiment, in the second embodiment, a person skilled in the art may flexibly set the initial rotation-stop ratio and the rotation-stop ratio after each adjustment in practical application, for example, when the washing machine performs washing, the initial rotation-stop ratio of the driving motor may be set to 3, for example, the driving motor is alternately operated in a manner that the rotation of the driving motor is stopped for 30s, when the coil temperature of the driving motor is greater than or equal to the first preset value, the rotation-stop ratio of the driving motor is reduced to 1, the driving motor is alternately operated in a manner that the rotation of the driving motor is stopped for 30s, and if the coil temperature of the driving motor is greater than or equal to the second preset value, the rotation-stop ratio of the driving motor is continuously reduced, for example, to 2/3, and the driving motor is alternately operated in a manner that the rotation of the driving. Of course, the above example is to reduce the stop ratio by making the stop time constant and the rotation time gradually reduced, in practical application, the stop ratio may also be reduced by making the stop time constant and the rotation time increased, or the stop ratio may be reduced by simultaneously reducing the rotation time and increasing the stop time, and the specific way of reducing the stop ratio may be flexibly set according to practical situations in the art.
In addition, it should be noted that, in the second embodiment, the first preset value and the second preset value may be experimental values obtained by experiments in this field, or may also be empirical values obtained by experience, and a person skilled in the art may flexibly set specific temperature values of the first preset value and the second preset value in practical applications, as long as the temperature boundary point determined by the first preset value and the second preset value can determine whether the rotation-stop ratio of the driving motor needs to be reduced.
As can be seen from the first and second embodiments, in practical applications, a person skilled in the art may further set a third preset value, a fourth preset value, and the like, that is, the coil temperature of the driving motor in each stage is compared with different preset values, so as to adjust the rotation-stop ratio of the driving motor.
It should be noted that, through repeated tests, comparisons and analyses by the inventor, the control method of the present invention has very little effect on the washing time of the washing machine for washing the laundry, namely, the washing time can not be prolonged, the washing of the clothes can be completed within the set washing time, the washing effect can be ensured, in the prior art, the washing time of the washing machine for washing the clothes is greatly influenced by directly stopping the driving motor for a long time due to overhigh temperature of the coil of the driving motor, so that the washing time can be greatly prolonged, namely, the control method of the invention can ensure that the clothes are washed within the set washing time and the washing effect is ensured, and the coil temperature of the driving motor can be avoided from being too high, the coil of the driving motor is prevented from being excessively aged, and the service life of the driving motor is prolonged.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously 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)
1. A control method of a laundry treating apparatus including a driving motor and a laundry treating drum connected to an output shaft of the driving motor, the control method comprising:
acquiring a coil temperature of the driving motor during operation of the laundry treating apparatus;
selectively reducing a stop-and-go ratio of the driving motor according to a coil temperature of the driving motor.
2. The control method according to claim 1, wherein the step of selectively reducing the stop-and-go ratio of the drive motor in accordance with the coil temperature of the drive motor includes:
comparing the coil temperature of the driving motor with a first preset value;
and selectively reducing the rotation-stop ratio of the driving motor according to the comparison result of the coil temperature of the driving motor and the first preset value.
3. The control method according to claim 2, wherein the step of selectively reducing the stop-and-go ratio of the drive motor according to the comparison result of the coil temperature of the drive motor with the first preset value comprises:
and if the coil temperature of the driving motor is greater than or equal to the first preset value, reducing the rotation-stop ratio of the driving motor.
4. The control method according to claim 3, wherein the step of selectively reducing the stop-and-go ratio of the drive motor according to the comparison result of the coil temperature of the drive motor with the first preset value further comprises:
and if the coil temperature of the driving motor is less than the first preset value, maintaining the rotation-stop ratio of the driving motor.
5. The control method according to claim 3, characterized in that after the step of "lowering the rotation stop ratio of the drive motor", the control method further comprises:
continuously acquiring the coil temperature of the driving motor;
comparing the coil temperature of the driving motor with a second preset value;
selectively reducing a stop-and-go ratio of the driving motor according to a comparison result of the coil temperature of the driving motor and the second preset value,
wherein the second preset value is smaller than the first preset value.
6. The control method according to claim 5, wherein the step of selectively reducing the stop-and-go ratio of the driving motor according to the comparison result of the coil temperature of the driving motor with the second preset value comprises:
and if the coil temperature of the driving motor is greater than or equal to the second preset value, reducing the rotation-stop ratio of the driving motor.
7. The control method according to claim 6, wherein the step of selectively reducing the stop-and-go ratio of the driving motor according to the comparison result of the coil temperature of the driving motor with the second preset value further comprises:
and if the coil temperature of the driving motor is less than the second preset value, maintaining the rotation-stop ratio of the driving motor.
8. The control method according to claim 1, wherein the step of "acquiring the coil temperature of the drive motor" includes:
and acquiring the coil temperature of the driving motor through a temperature sensor arranged on the driving motor.
9. The control method according to claim 5, wherein the step of "continuing to acquire the coil temperature of the drive motor" includes:
and continuously acquiring the coil temperature of the driving motor through a temperature sensor arranged on the driving motor.
10. A laundry treating apparatus, characterized in that the laundry treating apparatus comprises a controller configured to be able to perform the control method of any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910161008.9A CN111719283B (en) | 2019-03-04 | 2019-03-04 | Control method of clothes treatment equipment and clothes treatment equipment |
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| CN201910161008.9A CN111719283B (en) | 2019-03-04 | 2019-03-04 | Control method of clothes treatment equipment and clothes treatment equipment |
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Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Applicant before: QINGDAO HAIER JOINT STOCK Co.,Ltd. |
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