CN111061227B - Control method and control system of household appliance - Google Patents
Control method and control system of household appliance Download PDFInfo
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- CN111061227B CN111061227B CN201811204095.3A CN201811204095A CN111061227B CN 111061227 B CN111061227 B CN 111061227B CN 201811204095 A CN201811204095 A CN 201811204095A CN 111061227 B CN111061227 B CN 111061227B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
Abstract
The invention belongs to the field of household appliance control, and particularly provides a control method and a control system of a household appliance. The invention aims to solve the problem that a plurality of household appliances have a trip phenomenon when being used simultaneously. To this end, the control method of the present invention comprises the steps of: acquiring the electricity power/electricity current to be generated by each household appliance; acquiring total power consumption/total current consumption to be generated by all the household appliances according to the power consumption/current consumption to be generated; judging whether the total power consumption/total current to be generated reaches the rated power/rated current of the household power consumption; and selectively controlling the running state of one or more household appliances according to the judgment result. The household appliance control system can timely close or pause one or more household appliances before the household electricity is overloaded through the operation, and avoids the condition of tripping when the rated power/rated current of the household electricity is overlarge.
Description
Technical Field
The invention belongs to the field of household appliance control, and particularly provides a control method and a control system of a household appliance.
Background
The household appliances are devices which are placed in the household and can provide help for the life of people, and can be divided into refrigeration appliances (such as refrigerators, cold drinks machines and the like), air conditioning appliances (such as air conditioners, air dehumidifiers and the like), cleaning appliances (such as washing machines, clothes dryers, dust collectors and the like), kitchen appliances (such as electric cookers, microwave ovens, electric ovens and the like), electric heating appliances (such as electric blankets, electric heaters and the like), face-lifting health care appliances (such as electric shavers, electric hair dryers and the like), audio and video appliances (such as televisions, computers, radios and the like) and other appliances (such as smoke and fire alarms, electric bells and the like) according to functions and purposes.
The power and current of domestic electricity have their upper limits, for example, the supply current of a household is limited to 30A, the supply current of a household in some new residential areas can reach 35A, and the total power of the electricity is limited to 6000W, which makes the household appliances in the household unable to be used simultaneously. Especially, several household appliances with high power need to be operated in a staggered mode when in use, so that the situation that the household power consumption and/or the household current exceeds the rated value and the power is tripped and cut off is avoided, and much inconvenience is brought to users (especially at night).
For this purpose, the prior art generally detects the value of the total power/total current of each household appliance and switches off one or more household appliances when this value reaches the rated value of the household power/current.
However, the following problems still exist in the prior art: when a user starts a certain household appliance to enable the total power to exceed a preset power threshold value instantly, the corresponding regulating and controlling device cannot react in time, and the phenomenon of tripping still occurs.
Accordingly, there is a need in the art for a new control method and control system for a home appliance 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 of trip phenomenon when multiple household appliances are used simultaneously, the present invention provides a control method for household appliances, the control method comprising the following steps:
acquiring the electricity power/electricity current to be generated by each household appliance;
acquiring total power consumption/total current consumption to be generated by all household appliances according to the power consumption/current consumption to be generated;
judging whether the total power consumption/total current to be generated reaches the rated power/rated current of the household power consumption;
and selectively controlling the running state of one or more household appliances according to the judgment result.
In a preferred embodiment of the above control method, the step of "obtaining the power consumption/current consumption to be generated by each household appliance" further includes:
acquiring the operation cycle of each household appliance;
acquiring the power consumption power/power consumption current corresponding to each time period of each household appliance in the respective operation cycle;
acquiring corresponding time corresponding to the current time of each household appliance in the operation period;
and acquiring the power consumption power/power consumption current to be generated by each household appliance according to the corresponding time.
In a preferred technical solution of the above control method, the step of "obtaining a corresponding time corresponding to the current time of each household appliance in the operation cycle" further includes:
acquiring the current running time of each household appliance;
and taking the size of the running time as the value of the corresponding time.
In a preferred embodiment of the above control method, the step of "selectively controlling the operation state of one or more of the home appliances according to the determination result" further includes: when the total power consumption/total current to be generated does not reach the rated power/rated current of the household power consumption, all household appliances are enabled to normally operate according to respective operation periods; and when the total power consumption/total current to be generated reaches the rated power/rated current of the household power consumption, one or more household appliances are suspended or stopped to operate.
In a preferred embodiment of the above control method, the step of "suspending or stopping the operation of one or more home appliances" further comprises: and (3) suspending or stopping the operation of the household appliance or household appliances with the maximum electric power/electric current to be generated.
In a preferred embodiment of the above control method, the step of "suspending or stopping the operation of one or more home appliances" further comprises: and (3) suspending or stopping the operation of one or more household appliances with the lowest use frequency.
In a preferred embodiment of the above control method, the step of "suspending or stopping the operation of one or more home appliances" further comprises: and one or more household appliances with the lowest priority level are suspended or stopped.
In addition, the invention also provides a control system of the household appliance, which comprises a communication module, a processing module and a storage module which are in communication connection; the storage module is used for storing rated power/rated current of household electricity; the communication module can be in communication connection with a plurality of household appliances; the processing module can acquire the power consumption/power consumption current to be generated by each household appliance, calculate the total power consumption/total power consumption current to be generated by all the household appliances, judge whether the total power consumption/total power consumption current to be generated reaches the rated power/rated current or not and selectively control the running state of one or more household appliances according to the judgment result.
In a preferred technical solution of the above control system, the storage module obtains and stores the power consumption power/power consumption current corresponding to each time period of each household appliance in each operation cycle through the communication module.
In a preferred technical solution of the above control system, the control system further includes a display module and/or an operation module, the display module is at least used for displaying an operation state of each household appliance; the operation module can receive an operation instruction of an operator and accordingly control the running state of one or more household appliances.
As will be understood by those skilled in the art, in the preferred embodiment of the present invention, the total power consumption/total current consumption to be generated by all the household appliances is obtained by obtaining the power consumption/current consumption to be generated by each household appliance and summing the power consumption/current consumption. Judging whether the total power consumption/total current to be generated reaches the rated power/rated current of the household power consumption or not, and enabling all household appliances to normally operate according to respective operation periods when the total power consumption/total current to be generated does not reach the rated power/rated current of the household power consumption; and when the total power consumption/total current to be generated reaches the rated power/rated current of the household power consumption, one or more household appliances are suspended or stopped to operate. Therefore, the invention can predict whether the total power/total current of all household appliances can reach the rated power/rated current of the household electricity in advance through the operation, and can close or pause one or more household appliances in time before reaching, thereby avoiding the condition of tripping when the rated power/rated current of the household electricity is overlarge.
Drawings
Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of the control system of the present invention;
fig. 2 is a flow chart of the main steps of the control method of the present invention.
List of reference numerals:
1. a household appliance; 2. a control system; 21. a communication module; 22. a processing module; 23. a storage module; 24. a display module; 25. and an operation module.
Detailed Description
It should be understood by those skilled in the art that the embodiments of the present invention 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, each module of the control system of the present invention may be an integral module or may be an independent module; each module of the control system of the present invention may be a physical entity module or a virtual module formed by a plurality of program instructions. For another example, the communication connection according to the present invention may be a wireless connection such as WIFI, bluetooth, ZIGBEE, or the like, or a wired connection.
Those skilled in the art can make modifications as needed to suit a particular application, and such modified embodiments will still fall within the scope of the present invention.
As shown in fig. 1, the control system 2 of the present invention mainly includes a communication module 21, a processing module 22, a storage module 23, a display module 24, and an operation module 25. Wherein, the processing module 22 is connected with the communication module 21, the storage module 23, the display module 24 and the operation module 25 in a communication way.
In a preferred embodiment of the invention:
the communication module 21 can be connected to a plurality of home appliances 1 in a home via a local area network. As can be understood by those skilled in the art, the household appliance 1 is an electrical device having a communication function. Furthermore, the communication module 21 can be connected to a mobile terminal device such as a mobile phone, a tablet, a computer, etc. in a communication manner as required by those skilled in the art.
The processing module 22 performs processing calculation on the information received by the communication module 21 and compares the calculation result with the data extracted from the storage module 23. Further, the processing module 22 can issue a control instruction to all the household appliances 1 through the communication module 21, so as to control the operating states of all the household appliances 1.
The storage module 23 is used for storing the rated power and/or rated current of the household power. The rated power refers to the maximum power of the electricity supplied to the household, or a specific proportional value of the maximum power, such as 98%, 96%, 95% of the maximum power. The rated current refers to the maximum current supplied to the household, or a specific proportional value of the maximum current, such as 98%, 96%, 95% of the maximum current. Further, the storage module 23 may also store the power consumption/current corresponding to each time period or each moment of each household appliance 1 in the respective operation cycle.
The display module 24 can receive the operation state information of each household appliance 1 sent by the storage module 23, and display the operation state information of each household appliance 1, so that the user can know the operation state of each household appliance 1. As can be understood by those skilled in the art, the operation state information includes an operation time, a standby time, an operation state, and the like of the home appliance. Taking a washing machine as an example, the operation state information includes a water intake mode, a washing mode, a rinsing mode, a drain mode, and the like. Further, those skilled in the art can scroll the display module 24 to display the operation status information of each household appliance 1 according to the requirement, and can also cause the display module 24 to display the operation status information of a specific household appliance 1 according to the requirement of the user.
The operation module 25 is used for operation of a user. The user can operate the operation module 25 to make the operation module 25 issue an operation instruction to the processing module 22, so as to control the operation state of the corresponding household appliance 1. It will be understood by those skilled in the art that the operation module 25 may be a separate function module including a touch screen and/or keys. Furthermore, the display module 24 and the operation module 25 can be integrated into a device having a touch-controllable display screen, such as a mobile phone or a tablet computer, as required by those skilled in the art.
It will be understood by those skilled in the art that the control system 2 of the present invention may be fully or partially integrated on a mobile terminal device, such as a mobile phone, a tablet computer, an ipad, etc.; or may be fully or partially integrated on a specific control device, such as a router.
The control system of the present invention will be described in detail with reference to fig. 2 in conjunction with the control method of the present invention.
As shown in fig. 2, the control method of the present invention mainly includes:
step S10, acquiring the electricity power to be generated by each household appliance 1;
step S20, obtaining the total power to be generated by all the household appliances 1 according to the power to be generated;
step S30, judging whether the total power to be generated reaches the rated power of the household power;
and step S40, selectively controlling the operation state of one or more household appliances 1 according to the judgment result.
Each of the above steps will be specifically described below with reference to the control system 2.
In step S10, first, the processing module 22 acquires the operation time of each home appliance 1 through the communication module 21. Then, the processing module 22 retrieves the operation cycle of each household appliance 1 and the power consumption corresponding to each time segment of each household appliance 1 in the respective operation cycle from the storage module 23. Then, the running time is substituted into the running period to obtain the corresponding time. Therefore, the next time can be obtained according to the corresponding time, and the power consumption corresponding to the next time is read, wherein the power consumption is the power consumption to be generated by the household appliance 1.
It should be noted that the time interval between the corresponding time (i.e. the current time) and the next time may be any feasible value, such as 0.1S, 0.5S, 1S, 3S, 10S, 1min, and so on.
In step S20, the processing module 22 sums the power consumption to be generated by each household appliance 1 according to the chronological order to obtain the total power consumption to be generated.
In step S30, the processing module 22 compares the total power to be generated with the rated power of the household electricity. Wherein the rated power is pre-stored in the storage module 23.
In step S40, when the total power to be generated does not reach the rated power, the processing module 22 makes all the household appliances 1 operate normally according to the respective operation cycles. When the total power to be generated reaches the rated power, a person skilled in the art may cause the processing module 22 to send an instruction to the one or more household appliances 1 with the highest power consumption, the lowest priority, or the lowest frequency of use, to pause or stop the one or more household appliances 1, as needed, until the total power to be generated is less than the rated power. Or, the processing module 22 sends an alarm message to the outside through the display module 24 to remind the user to manually suspend or turn off one or more household appliances 1. It will be understood by those skilled in the art that the alarm information may be any one of sound, image, lighting, color, alone or in combination.
Wherein the priority is an important order of the home appliances 1 pre-entered and saved in the storage module 23 by the user according to actual needs. The usage frequency is the number of times the home appliance 1 is used within a certain period of time (e.g., 10 days, 15 days, 45 days, etc. before the moment).
The control method of the present invention will be described in detail below by taking three identical washing machines as examples.
The operation cycle of the washing machine comprises four time periods, wherein the first time period (3min) is water inlet and corresponds to first electric power a; the second time period (15min) is washing, corresponding to the second electric power b; the third time period (10min) is rinsing, corresponding to a third electric power c; the fourth time period (5min) corresponds to the fourth electric power d for dehydration. Wherein a is more than b and more than c is more than d.
The processing module 22 obtains the current running time of the first washing machine as 1min, the current running time of the second washing machine as 10min, and the current running time of the third washing machine as 20 min.
The time corresponding to the operation cycle of the washing machine in the first washing machine is a first time period, and the electric power of the washing machine at the current moment is a first electric power a. The electric power consumption in the future 2min is the first electric power a, the electric power consumption in the future 2-17min is the second electric power b, the electric power consumption in the future 17-27min is the third electric power c, and the electric power consumption in the future 27-32min is the fourth electric power d.
The time of the second washing machine corresponding to the operation cycle of the washing machine is a second time period, and the electric power of the washing machine at the current moment is a second electric power b. The electric power in the future 10min is the second electric power b, the electric power in the future 10-20min is the third electric power c, and the electric power in the future 20-25min is the fourth electric power d.
The time corresponding to the operation cycle of the washing machine in the third washing machine is a fourth time period, the current electric power of the washing machine is a fourth electric power d, and the electric power in the future 3min is the fourth electric power d.
For ease of understanding, assume that a is 1, b is 2, c is 3, and d is 4. The total power to be generated by the three washing machines in the future is as follows:
within 2min in the future, the total electric power consumption is equal to a + b + d is equal to 7;
in the future 2-3min, the total electric power consumption is 2b + d is 8;
in the future 3-10min, the total electric power consumption is 2b 4;
within 10-17min in the future, the total electric power consumption b + c is 5;
within 17-20min in the future, the total electric power consumption is 2c 6;
within 20-25min in the future, the total electric power consumption is c + d is 7;
in the future of 25-27min, the total electric power (c) is 3;
in the future 27-32min, the total electric power d is 4.
Assuming that the rated power of the household electricity is 8, three washing machines must pause or shut down one after continuing to operate for 2 min. Preferably, the first washing machine is suspended, and after the third washing machine is finished, the first washing machine is continuously operated.
Through the description, it can be understood by those skilled in the art that the control system 2 and/or the control method of the present invention can predict in advance whether the total power consumption of all the household appliances 1 can reach the rated power of the household power consumption, and timely turn off or suspend one or more household appliances 1 before reaching, so as to avoid the situation of tripping when the rated power of the household power consumption is too large.
In another possible technical solution of the present invention, unlike the above preferred embodiment, a person skilled in the art may store the operation parameters of each household appliance 1 in the storage module 23 instead of storing the power consumption of each household appliance 1 in the storage module 23, and then make the processing module 22 calculate the power consumption of each household appliance 1 according to the operation parameters. Alternatively, the skilled person can also make the processing module 22 obtain the power consumption and/or the operation parameters of each household appliance 1 through the communication module 21 as required. Wherein the operating parameters comprise at least an input current and an input voltage of the household appliance 1.
Further, in another possible technical solution of the present invention, different from the above preferred embodiment, a person skilled in the art may use the electric current instead of the electric power as a calculation basis to determine whether the household power will be overloaded according to the need.
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 (8)
1. A control method of a home appliance, characterized in that the control method comprises the steps of:
acquiring the electricity power/electricity current to be generated by each household appliance;
calculating the total power consumption/total current consumption to be generated by all household appliances according to the power consumption/current consumption to be generated;
judging whether the total power consumption/total current to be generated reaches the rated power/rated current of the household power consumption;
selectively controlling the running state of one or more household appliances according to the judgment result;
wherein, the step of obtaining the electricity power/electricity current to be generated by each household appliance further comprises:
acquiring the operation cycle of each household appliance;
acquiring the power consumption power/power consumption current corresponding to each time period of each household appliance in the respective operation cycle;
acquiring corresponding time corresponding to the current time of each household appliance in the operation period;
and acquiring the power consumption power/power consumption current to be generated by each household appliance according to the corresponding time.
2. The control method according to claim 1, wherein the step of obtaining a corresponding time corresponding to the current time of each household appliance in the operation cycle further comprises:
acquiring the current running time of each household appliance;
and taking the size of the running time as the value of the corresponding time.
3. The control method according to claim 1, wherein the step of selectively controlling the operation state of one or more of the home appliances according to the determination result further comprises:
when the total power consumption/total current to be generated does not reach the rated power/rated current of the household power consumption, all household appliances are enabled to normally operate according to respective operation periods;
and when the total power consumption/total current to be generated reaches the rated power/rated current of the household power consumption, one or more household appliances are suspended or stopped to operate.
4. The control method according to claim 3, wherein the step of "causing one or more home appliances to pause or stop operating" further comprises:
and (3) suspending or stopping the operation of the household appliance or household appliances with the maximum electric power/electric current to be generated.
5. The control method according to claim 3, wherein the step of "causing one or more home appliances to pause or stop operating" further comprises:
and (3) suspending or stopping the operation of one or more household appliances with the lowest use frequency.
6. The control method according to claim 3, wherein the step of "causing one or more home appliances to pause or stop operating" further comprises:
and one or more household appliances with the lowest priority level are suspended or stopped.
7. The control system of the household appliance is characterized by comprising a communication module, a processing module and a storage module which are in communication connection;
the storage module is used for storing rated power/rated current of household electricity;
the communication module can be in communication connection with a plurality of household appliances;
the processing module is configured to:
acquiring the electricity power/electricity current to be generated by each household appliance;
calculating the total power consumption/total current consumption to be generated by all household appliances according to the power consumption/current consumption to be generated;
judging whether the total power consumption/total current consumption to be generated reaches the rated power/rated current or not;
selectively controlling the running state of one or more household appliances according to the judgment result;
wherein, said obtaining the power/current to be generated by each household appliance further comprises:
acquiring the operation cycle of each household appliance;
acquiring the power consumption power/power consumption current corresponding to each time period of each household appliance in the respective operation cycle;
acquiring corresponding time corresponding to the current time of each household appliance in the operation period;
and acquiring the power consumption power/power consumption current to be generated by each household appliance according to the corresponding time.
8. The control system according to claim 7, characterized in that the control system further comprises a display module and/or an operation module,
the display module is at least used for displaying the running state of each household appliance;
the operation module can receive an operation instruction of an operator and accordingly control the running state of one or more household appliances.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811204095.3A CN111061227B (en) | 2018-10-16 | 2018-10-16 | Control method and control system of household appliance |
| PCT/CN2019/108281 WO2020078196A1 (en) | 2018-10-16 | 2019-09-26 | Control method and control system for household appliances |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811204095.3A CN111061227B (en) | 2018-10-16 | 2018-10-16 | Control method and control system of household appliance |
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| CN111061227A CN111061227A (en) | 2020-04-24 |
| CN111061227B true CN111061227B (en) | 2021-11-26 |
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| CN112711200B (en) * | 2020-12-28 | 2021-10-29 | 保利物业服务股份有限公司 | Intelligent building management system based on big data |
| CN113124451B (en) * | 2021-04-21 | 2022-10-04 | 哈尔滨工业大学 | Electric load grading optimization capacity-increase-free control system and method for coal-to-electric heating |
| CN115877720A (en) * | 2021-09-22 | 2023-03-31 | 青岛海尔洗涤电器有限公司 | Control system of household appliance |
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| WO2020078196A1 (en) | 2020-04-23 |
| CN111061227A (en) | 2020-04-24 |
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Effective date of registration: 20211029 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. |
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