CN109708792B - Calculation method for calculating load power and power consumption of washing machine - Google Patents
Calculation method for calculating load power and power consumption of washing machine Download PDFInfo
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- CN109708792B CN109708792B CN201910017641.0A CN201910017641A CN109708792B CN 109708792 B CN109708792 B CN 109708792B CN 201910017641 A CN201910017641 A CN 201910017641A CN 109708792 B CN109708792 B CN 109708792B
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Abstract
The invention discloses a calculation method for calculating load power and power consumption of a washing machine. The invention comprises the following steps: step one, measuring the input power of a motor and recording as W0(ii) a Determining a load interval parameter of the load capacity of the washing machine, and recording the load interval parameter as F; step three, determining a water level height interval parameter in the washing machine, and recording the parameter as S; setting the washing power coefficient of the washing machine as C, the dehydration power coefficient as K and the washing power of the washing machine as WtThe dewatering power of the washing machine is WxThe washing power of the motor is Wt＝(F+S)×C+W0The dewatering power is Wx＝K×Wth，WthStep five, calculating the power consumption of the washing machine as ∑ (W)t×ta)+∑(WX×tb). The invention calculates the load power and the power consumption by monitoring the power of the motor of the washing machine and the load of the washing machine, respectively calculates different stages of the operation of the washing machine, sequentially accumulates according to time and displays the accumulated power and the power, and can display the consumed electric quantity of the washing machine in real time.
Description
Technical Field
The invention belongs to the technical field of washing machines, and particularly relates to a calculation method for calculating load power and power consumption of a washing machine.
Background
At present, the intelligent requirement of the household washing machine puts forward a requirement on the real-time power consumption of the washing machine to the user, but the existing household washing machine is not designed with special equipment for measuring the power consumption because of the requirement limitation of cost, and in order to realize the power consumption detection on the premise of not increasing the cost, the running power of the motor of the washing machine needs to be calculated according to the running time rule of the motor on the washing machine, and the power consumption is calculated, so that an algorithm for calculating the running power of the motor of the washing machine is needed.
Disclosure of Invention
The invention aims to provide a calculating method for calculating load power and power consumption of a washing machine.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a calculating method for calculating load power and power consumption of a washing machine, which comprises the following steps:
step one, measuring the input power of a motor and recording as W0；
Determining a load interval parameter of the load capacity of the washing machine, and recording the load interval parameter as F;
step three, determining a water level height interval parameter in the washing machine, and recording the parameter as S;
setting the washing power coefficient of the washing machine as C, the dehydration power coefficient as K and the washing power of the washing machine as WtThe dewatering power of the washing machine is WxThe washing power of the motor is Wt＝(F+S)×C+W0The dewatering power is Wx＝K×Wth(ii) a The W isthThe washing power at the end of the washing machine;
step five, calculating the power consumption of the washing machine to be ∑ (W)t×ta)+∑(WX×tb)。
Preferably, the method for determining the load interval parameter in the second step includes measuring a maximum pulse number of back electromotive force pulses generated by the inertial motion of the motor after the motor stops supplying power to the washing machine, and setting a plurality of load intervals according to the maximum pulse number, and recording the load intervals as F1、F2、F3、……、Fn(n is 1, 2, 3, … …), and let FnN; and after the washing machine motor stops working, determining the value of the load interval parameter F according to the interval of the monitored pulse number.
Preferably, the method for determining the height interval parameter in step three includes measuring the highest water level in the washing machine, and then setting a plurality of water level height intervals according to the highest water level, which are recorded as S1、S2、S3、……、Sm(m is 1, 2, 3, … …), and let SmM; then determining water level height interval parameter S according to water level height interval of water level height in washing machineThe value is obtained.
Preferably, the washing power coefficient C in the fourth step determines the washing power W by measuring the real-time power of the motortObtaining a curve of the washing power coefficient with respect to time by determining a load interval parameter F, a water level height interval parameter S and input power of the motor, and sequentially recording the washing power coefficient as C by taking unit time t as an interval1、C2、C3、……、Ch(h is 1, 2, 3, … …), and the washing power coefficient C is takenhHas a value of
Preferably, the dehydration power coefficient K is determined by measuring the average power in a uniform time period i as the dehydration power WlAccording to
The value of K is determined.
The invention has the following beneficial effects:
the invention calculates the load power and the power consumption by monitoring the power of the motor of the washing machine and the load of the washing machine, respectively calculates different stages of the operation of the washing machine, sequentially accumulates according to time and displays the accumulated power and the power, and can display the consumed electric quantity of the washing machine in real time.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a calculation method for calculating load power and power consumption of a washing machine.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention is a method for calculating load power and power consumption of a washing machine, including the steps of:
step one, measuring the input power of a motor and recording as W0；
Determining a load interval parameter of the load capacity of the washing machine, and recording the load interval parameter as F;
step three, determining a water level height interval parameter in the washing machine, and recording the parameter as S;
setting the washing power coefficient of the washing machine as C, the dehydration power coefficient as K and the washing power of the washing machine as WtThe dewatering power of the washing machine is WxThe washing power of the motor is Wt＝(F+S)×C+W0The dewatering power is Wx＝K×Wth；WthThe washing power at the end of the washing machine;
step five, calculating the power consumption of the washing machine to be ∑ (W)t×ta)+∑(WX×tb)。
The method for determining the load interval parameters in the step two comprises the steps of firstly measuring the maximum pulse number of counter electromotive force pulses generated by the inertial motion of the motor after the motor stops supplying power for the washing machine, and then setting a plurality of load intervals according to the maximum pulse number, and marking as F1、F2、F3、……、Fn(n is 1, 2, 3, … …), and let FnN; and after the washing machine motor stops working, determining the value of the load interval parameter F according to the interval of the monitored pulse number.
Wherein, the determination method of the height interval parameter in the third step is to measure the highest water level in the washing machine firstly,then, a plurality of water level height intervals are set according to the highest water level and are marked as S1、S2、S3、……、Sm(m is 1, 2, 3, … …), and let SmM; and then determining the value of a water level height interval parameter S according to the water level height interval in which the water level height in the washing machine is positioned.
Wherein the washing power coefficient C in the fourth step determines the washing power W by measuring the real-time power of the motortObtaining a curve of the washing power coefficient with respect to time by determining a load interval parameter F, a water level height interval parameter S and input power of the motor, and sequentially recording the washing power coefficient as C by taking unit time t as an interval1、C2、C3、……、Ch(h is 1, 2, 3, … …), and the washing power coefficient C is takenhHas a value of
Wherein the dehydration power coefficient K is the dehydration power W by measuring the average power in a uniform time period llAccording to
The value of K is determined.
It should be noted that, in the above system embodiment, each included unit is only divided according to functional logic, but is not limited to the above division as long as the corresponding function can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
In addition, it can be understood by those skilled in the art that all or part of the steps in the method for implementing the embodiments described above can be implemented by instructing the relevant hardware through a program, and the corresponding program can be stored in a computer-readable storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, or the like.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (1)
1. A calculation method for calculating a load power and a power consumption of a washing machine, comprising the steps of:
step one, measuring the input power of a motor and recording as W0；
Determining a load interval parameter of the load capacity of the washing machine, and recording the load interval parameter as F;
step three, determining a water level height interval parameter in the washing machine, and recording the parameter as S;
setting the washing power coefficient of the washing machine as C, the dehydration power coefficient as K and the washing power of the washing machine as WtThe dewatering power of the washing machine is WxThe washing power of the motor is Wt＝(F+S)×C+W0The dewatering power is Wx＝K×Wth(ii) a The W isthThe washing power at the end of the washing machine;
step five, calculating the power consumption of the washing machine to be ∑ (W)t×ta)+∑(WX×tb)；
The method for determining the load interval parameters in the second step comprises the steps of firstly measuring the maximum pulse number of the counter electromotive force pulse generated by the inertial motion of the motor after the motor of the washing machine stops supplying power, and then setting a plurality of load intervals according to the maximum pulse number, and marking as F1、F2、F3、……、FnN is 1, 2, 3, … …, and let FnN; determining the value of a load interval parameter F according to the interval of the monitored pulse number after the washing machine motor stops working;
the determination method of the height interval parameter in the third step is to measure the highest water level in the washing machine first and then to determine the height interval parameter according to the highest water levelThe water level is set into a plurality of water level height intervals which are marked as S1、S2、S3、……、SmM is 1, 2, 3, … …, and let SmM; then, determining the value of a water level height interval parameter S according to a water level height interval in which the water level height in the washing machine is positioned;
the washing power coefficient C in the fourth step determines the washing power W by measuring the real-time power of the motortObtaining a curve of the washing power coefficient with respect to time by determining a load interval parameter F, a water level height interval parameter S and input power of the motor, and sequentially recording the washing power coefficient as C by taking unit time t as an interval1、C2、C3、……、ChH is 1, 2, 3, … …, and the value of the washing power coefficient C is
The dehydration power coefficient K is the dehydration power W by measuring the average power in a uniform time period llAccording to
The value of K is determined.
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| CN107761307A (en) * | 2017-11-20 | 2018-03-06 | 江苏小沐科技有限公司 | A kind of use in washing machine electric control monitoring method |
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| JP4940039B2 (en) * | 2007-07-24 | 2012-05-30 | 株式会社東芝 | Washing and drying machine |
| CN103306094A (en) * | 2013-05-29 | 2013-09-18 | 无锡小天鹅股份有限公司 | Method for judging load weight of pulsator washing machine |
| CN105155203A (en) * | 2015-06-30 | 2015-12-16 | 无锡小天鹅股份有限公司 | Washing machine power consumption calculating method |
| CN106120241A (en) * | 2016-06-30 | 2016-11-16 | 无锡小天鹅股份有限公司 | The power consumption of washing machine and the computational methods of water consumption, device and washing machine |
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