CN107034617B - Washing machine power consumption monitoring method, washing machine and washing machine system - Google Patents

Washing machine power consumption monitoring method, washing machine and washing machine system Download PDF

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CN107034617B
CN107034617B CN201610076242.8A CN201610076242A CN107034617B CN 107034617 B CN107034617 B CN 107034617B CN 201610076242 A CN201610076242 A CN 201610076242A CN 107034617 B CN107034617 B CN 107034617B
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washing machine
power consumption
washing
motor
monitoring
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CN107034617A (en
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舒海
尹俊明
黄振兴
许升
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Qingdao Haier Washing Machine Co Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Washing Machine Co Ltd
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Priority to JP2018540437A priority patent/JP2019503807A/en
Priority to PCT/CN2017/072140 priority patent/WO2017133529A1/en
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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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/04—Signal transfer or data transmission arrangements
    • D06F34/05—Signal transfer or data transmission arrangements for wireless communication between components, e.g. for remote monitoring or control
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/04—Quantity, e.g. weight or variation of weight
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/38—Time, e.g. duration
    • 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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/46—Control of the energy or water consumption

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

The invention provides a method for monitoring power consumption of a washing machine, which comprises the following steps: the washing machine executes a washing program and detects the load m of clothes; after the washing machine finishes washing, the work of the motor is acquiredTime t1(ii) a The washing machine is based on the formula W ═ WElectric machine+W0Calculating the power consumption of the washing machine; wherein, WElectric machine＝k*P1*t1K is a correction coefficient, k ^ m, P1The rated power of the motor; w0Is a preset value of the electric elements of the washing machine. The invention relates to a washing machine power consumption monitoring method, which mainly aims at monitoring the power consumption of a motor which is a main working device in the washing process, provides a formula for calculating the power consumption of the motor by combining the characteristics of the working process of the washing machine, and corrects the formula by considering the main factors influencing the work of the motor to obtain a more accurate calculation result.

Description

Washing machine power consumption monitoring method, washing machine and washing machine system
Technical Field
The invention relates to the technical field of detection of water consumption and power consumption of washing machines, in particular to a washing machine power consumption monitoring method, a washing machine and a washing machine system.
Background
The existing drum washing machine and the full-automatic washing machine do not have detection of washing power consumption, a user cannot know the washing power consumption after washing by using a certain washing program, the user still stays in the original states of washing time, washing program, washing water temperature, washing water level and the like for knowing the washing machine, and in order to help the user to know the washing machine more deeply, the power-saving habit of the user is developed, and the washing machine is necessary to increase the washing power consumption for detection.
The traditional method mainly detects the power consumption of the washing machine through a power detection device and the like, although the power consumption of the washing machine can be detected more accurately, the washing machine can meet corresponding requirements only by additionally adding corresponding hardware equipment and related circuits to the washing machine, the cost of the washing machine is increased greatly, and the cost performance of the washing machine is low in consideration of user experience and cost increase of the washing machine.
In addition, the present application No. 201510475565.X, which is a chinese invention patent named a method for monitoring power consumption of a washing machine, a washing machine and a washing machine system, discloses a method for monitoring power consumption of a washing machine, which includes the following steps: after the washing program of the washing machine is finished, calculating to obtain the power consumption of the current washing; the washing machine sends the power consumption to the mobile terminal; and the mobile terminal providing the power consumption to the user. The power consumption monitoring method can timely provide the power consumption of washing clothes for a user, and is more intelligent. The invention also discloses a washing machine and a washing machine system. Meanwhile, in the invention, it is disclosed that the power consumption is calculated specifically according to the following formula:
t ═ y × K1+ K2 × Tub × TubTime + HeatTime × 1647+ SpinTime × 40 SpinRetryTime, where T is power consumption, FY is water intake, K1 and K2 are correction parameters, Tub is the stop-turn ratio of the motor, TubTime is the main wash time, HeatTime is the heat-up time, SpinTime is the spin-up time, SpinRetryTime is the spin-up attempt number. Although the power consumption calculation method disclosed by the invention solves the problem of power consumption detection by arranging the power detection device in the prior art, the following problems still exist:
(1) according to the power consumption calculation formula, the calculation of the power consumption is related to the water inflow, and the detection of the water inflow is directly related to the accuracy of the calculation of the power consumption, so that the calculation precision of the power consumption cannot be effectively guaranteed.
(2) In order to ensure the accuracy of water inflow detection, a water inflow detection device is needed, the manufacturing cost of the washing machine is increased, and the popularization of the market is not facilitated.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
In order to solve the above problems, a first object of the present invention is to provide a method for detecting power consumption of a washing machine, which specifically adopts the following technical solutions:
the method for monitoring the power consumption of the washing machine comprises the following steps:
the washing machine executes a washing program and detects the load m of clothes;
washing machine for washing clothesThen, the working time t of the motor is obtained1；
The washing machine is based on the formula W ═ WElectric machine+W0Calculating the power consumption of the washing machine;
wherein, WElectric machine＝k*P1*t1K is a correction coefficient, k ^ m, P1The rated power of the motor; w0Is a preset value of the electric elements of the washing machine.
As a preferred embodiment of the invention, the motor of the washing machine is rated at a power P1The corresponding rated load of the clothes is m0Rated load of clothes is m0Preset in the control program of washing machine, k is m/m0。
In a preferred embodiment of the present invention, the correction coefficient k has a value range of k0 ≤ k ≤ 1, and is k0 when the washing machine is unloaded and 1 when the washing machine is fully loaded or overloaded;
the control system of the washing machine presets a series of k0≤k1、k2、k3、k4······≤1，k1、k2、k3、k4The measured clothes load m is in the corresponding clothes load range, k is from k1、k2、k3、k4The corresponding value is selected.
Further, the maximum load amount of the washing machine is m0', when m is less than or equal to 1/4m0When the k value is in the range of 0.3-0.4, when 1/4m0≤m≤m0When the value of k is in the range of 0.5-1.0;
preferably, when m is less than or equal to 1/4m0When the k value is in the range of 0.3-0.4, when 1/4m0’≤m≤1/2m0When the sum is equal to the sum, k ranges from 0.5 to 06, and is 1/2m0’≤m≤3/4m0When the k value is in the range of 0.7-0.8, when the k value is 3/4m0’≤m≤m0When' is used, k is in the range of 0.9 to 1.
Further, the motor comprises a timing module,the timing module respectively records the working time t of the motor in the washing process11In the rinsing process for a working time t12Working time t in the dehydration process13The washing machine is according to the formula t1＝t11+t12+t13Calculating and acquiring the working time t of the motor1。
In a preferred embodiment of the present invention, the washing machine includes a heating device for heating the washing water, and the heating device has a rated power P2After the washing machine finishes washing, the working time t of the heating device is obtained simultaneously2The washing machine is based on the formula W ═ WElectric machine+WHeating of+W0Calculating the power consumption of the washing machine;
wherein, WHeating of＝P2*t2。
Further, W is0＝W01+W02+W03+ … …, said W01、W02、W03… … the power consumption of the electric elements with fixed power consumption during washing can be preset according to the specific configuration of the electric elements of the washing machine.
Further, W is0At least comprising a control module power consumption W01And the power consumption W of the display module02Valve body assembly W03And a pump body assembly W03。
The second purpose of the invention is to provide a washing machine adopting the method for monitoring the power consumption of the washing machine, the washing machine comprises a motor, other electrical elements and a timing module, the timing module records the working time of the motor, and the washing machine acquires the time recorded by the timing module according to the formula W-WElectric machine+W0Calculating the power consumption of the washing machine;
wherein, WElectric machine＝k*P1*t1K is a correction coefficient, k ^ m, P1The rated power of the motor; w0Is a preset value of the electric elements of the washing machine.
The third invention of the present invention is to provide a washing machine system having the washing machine, wherein the washing machine is in communication connection with an intelligent terminal through a cloud platform server:
the washing machine executes a washing program, and water consumption and/or power consumption of the washing are calculated according to the washing water inlet time and/or the washing working time;
the washing machine sends the calculated water consumption and/or power consumption to a cloud platform server;
the cloud platform server pushes the water consumption and/or the power consumption to the corresponding intelligent terminal.
The method for monitoring the power consumption of the washing machine is considered from the aspect of not increasing the cost, mainly adopts a corresponding calculation method, analyzes the power consumption of working equipment in the working process of the washing machine, calculates the power consumption of the washing machine according to the specific washing process of the washing machine, basically matches the calculation result of the power consumption of the washing machine with the data detected by a power consumption detection device according to experimental verification, finally realizes accurate detection of the power consumption of the washing machine on the premise of not increasing the cost, displays the calculated power consumption value to a user, enables the user to visually obtain the power consumption information, is convenient to develop good use habits of the washing machine, and saves the electric energy.
The invention relates to a washing machine power consumption monitoring method, which mainly aims at monitoring the power consumption of a motor which is a main working device in the washing process, provides a formula for calculating the power consumption of the motor by combining the characteristics of the working process of the washing machine, and corrects the main factors influencing the work of the motor by considering the main factors so as to obtain a more accurate calculation result. Therefore, the power consumption calculation method of the invention has accurate calculation result of the power consumption of the motor, and fundamentally ensures that the calculation of the power consumption of the washing machine can be within the allowable error range.
In addition, the method for monitoring the power consumption of the washing machine takes the fact that the power consumption of other electrical elements is relatively fixed in the washing process into consideration, so that the part of the power consumption is obtained in a test mode and is preset and written into a control system of the washing machine, and the method for monitoring the power consumption of the washing machine is ensured to be more accurate.
Moreover, for the washing machine with the heating function, the problem of large power consumption of the heating device during operation is considered, the power consumption of the heating device is monitored independently, and the accuracy of power consumption calculation of the washing machine with the heating function is guaranteed.
Therefore, according to the washing process of the washing machine, the method for monitoring the power consumption of the washing machine provides a relatively accurate and reliable calculation method on the basis of fully considering various factors influencing the power consumption, provides a relatively accurate power consumption value of the washing machine for a user, and has a certain reference value for the user.
Drawings
FIG. 1 is a flowchart illustrating a power consumption monitoring operation of a washing machine according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for monitoring power consumption of a washing machine according to an embodiment of the present invention.
Detailed Description
The washing machine power consumption monitoring method, the washing machine and the washing machine system of the invention are described in detail with reference to the accompanying drawings:
the method for monitoring the power consumption of the washing machine comprises the following steps:
the washing machine executes a washing program and detects the load m of clothes;
after the washing machine finishes washing, the working time t of the motor is obtained1；
The washing machine is based on the formula W ═ WElectric machine+W0Calculating the power consumption of the washing machine;
wherein, WElectric machine＝k*P1*t1K is a correction coefficient, k ^ m, P1The rated power of the motor; w0Is a preset value of the electric elements of the washing machine.
The working process of the existing washing machine is generally washing, rinsing and dewatering, and in the process of water inlet, dewatering and water drainage in the washing program and the rinsing program, a user generally controls the washing machine to execute the corresponding washing program by setting the washing mode or changing the washing time, and in the whole washing process, the motor is used as a main working element and has higher power consumption, so that the power consumption of the motor is used as a main monitored object, and the accurate monitoring of the whole power consumption of the washing machine can be ensured to a great extent as long as the accurate monitoring of the power consumption of the motor is ensured.
In order to ensure accurate monitoring of the power consumption of the motor, the operation mode of the motor is analyzed, the formula W of the power consumption is known as Pt, the power consumption can be calculated as long as the power and the operation time are known, and the motor generally has a certain rated power P1Therefore, the power consumption of the motor can be theoretically calculated by acquiring the operation time of the motor. However, in actual conditions, the load m of clothes washed by the washing machine each time is not completely the same, and it is more unlikely that the load m of clothes corresponding to the rated power is reached, and therefore, the motor does not necessarily have to be at the rated power P1Working, if still according to the rated power P1The calculation is performed, and the resulting error inevitably increases.
In order to ensure the accuracy of the calculation of the power consumption of the motor, the invention determines a correction coefficient k according to the actual clothes load m of the washing machine and the actual clothes load m, and the rated power P of the motor1Corrected to obtain the actual motor power k P1Then obtaining the working time t of the motor1Can be represented by the formula WElectric machine＝k*P1*t1Calculating to obtain the actual power consumption W of the motorElectric machine. Therefore, the method for calculating the power consumption of the washing machine corrects and calculates the rated power of the motor to obtain the actual power by analyzing the actual working condition of the washing machine, and calculates the power consumption of the motor according to the calculated actual power, so that the accuracy of the method for monitoring the power consumption of the washing machine, disclosed by the invention, on the calculation of the power consumption of the motor is ensured.
Therefore, the power consumption monitoring of the washing machine of the embodiment mainly aims at monitoring the power consumption of the motor which is a main working device in the washing process, gives a formula for calculating the power consumption of the motor by combining the characteristics of the working process of the washing machine, and corrects the main factors influencing the work of the motor by considering the main factors so as to obtain a more accurate calculation result. Therefore, the power consumption calculation method of the embodiment has accurate calculation results of the power consumption of the motor, and fundamentally ensures that the calculation of the power consumption of the washing machine can be within the allowable error range.
From the above, when calculating the power consumption of the motor, the correction coefficient k is related to whether the calculated actual power of the motor is accurate, and the value of the correction coefficient k depends on the actual clothes load m.
As a preferred embodiment of the invention, the motor of the washing machine is rated at a power P1The corresponding rated load of the clothes is m0Rated load of clothes is m0Preset in the control program of washing machine, k is m/m0。
The rated laundry load of the embodiment is m0Can be measured in a laboratory, and then the rated load of clothes is m0The method is characterized in that the method is preset in a control program of the washing machine, the actual clothes load m is measured in a certain mode in the actual washing process, and the actual clothes load m are compared to obtain a correction coefficient k. In addition, the existing washing machine generally has a weighing function, so that the actual clothes load m can be measured.
According to the embodiment, the calculation formula of the actual power of the washing machine is determined according to the actual working condition of the motor during working, and the calculation formula is written into the control program of the washing machine, so that the washing machine obtains the power consumption through calculation.
In a preferred embodiment of the present invention, the correction coefficient k has a value range of k0K is not less than 1, and when the washing machine is unloaded, the correction coefficient k is k0When the washing machine is full or overloaded, the correction coefficient k is 1;
the control system of the washing machine presets a series of k0≤k1、k2、k3、k4······≤1，k1、k2、k3、k4The measured clothes load m is in the corresponding clothes load range, k is from k1、k2、k3、k4The corresponding value is selected.
The present embodiment further provides a tabulation method to determine the correction coefficient k, since the variation of the actual power of the motor is also a quantitative process in the actual working condition, i.e. the clothesThe increase or decrease of the load m within a certain range does not cause the actual power of the washing machine to change too much, so that a series of correction coefficients k can be obtained through a large number of experiments in a laboratory within the range of error allowance1、k2、k3、k4Each correction coefficient corresponds to the range of a clothes load m, and the correction coefficient k is1、k2、k3、k4The lists corresponding to the clothes load m are written into a control program of the washing machine, and after the actual clothes load m is measured, the determined correction coefficient is selected, so that the power consumption of the motor can be calculated. In addition, the existing washing machine generally has a weighing function, so that the actual clothes load m can be measured.
As for the correction coefficient k1、k2、k3、k4The washing machine control program can be obtained in a laboratory and written into a washing machine control program according to different models and different capacities of the washing machine before being shipped out.
Specifically, the embodiment provides a corresponding selection manner of the correction coefficient k, and the maximum load capacity of the washing machine is m0', when m is less than or equal to 1/4m0When the k value is in the range of 0.3-0.4, when 1/4m0≤m≤m0When' is used, k is in the range of 0.5 to 1.0. I.e. the laundry load m of the washing machine, is generally divided into a light load and a heavy load.
In principle, the more detailed the clothes load interval of the washing machine is divided, the more accurate the value of the correction coefficient k is, but in an actual working condition, the clothes load interval is too small, the difference between the calculated power consumption of the motor and the power consumption detected by the power detection device is not large, and the difference is generally less than 1 degree, which can be considered to be within the allowable range of the error. Specifically, when m is less than or equal to 1/4m0When the k value is in the range of 0.3-0.4, when 1/4m0’≤m≤1/2m0When the sum is equal to the sum, k ranges from 0.5 to 06, and is 1/2m0’≤m≤3/4m0When the k value is in the range of 0.7-0.8, when the k value is 3/4m0’≤m≤m0When' is used, k is in the range of 0.9 to 1.The partition space provided in this embodiment can satisfy the error requirement of most existing washing machines, and it should be understood by those skilled in the art that the present invention is not limited to the partition space, and should be determined according to the capacity of the washing machine.
In order to obtain the working time of the motor of the washing machine, the motor described in this embodiment includes a timing module, and the timing module monitors whether the motor is in a working state, and records the working time of the motor when the motor works.
Specifically, the timing module records the working time t11 of the motor in the washing process and the working time t in the rinsing process respectively12Working time t in the dehydration process13The washing machine is according to the formula t1＝t11+t12+t13Calculating and acquiring the working time t of the motor1。
As a preferred embodiment of the present invention, for a washing machine having a heating function, the washing machine includes a heating device for heating washing water, and the heating device has a rated power P2After the washing machine finishes washing, the working time t of the heating device is obtained simultaneously2The washing machine is based on the formula W ═ WElectric machine+WHeating of+W0Calculating the power consumption of the washing machine; wherein, WHeating of＝P2*t2。
For the washing machine with the heating function, since the power consumption of the heating device occupies a large proportion of the total power consumption of the washing machine, the power consumption of the heating device needs to be calculated separately, so that the calculated power consumption of the washing machine is more accurate.
As can be seen from the equation Q ═ cm Δ t for water heating, the power consumption of the heating device is greatly affected by the initial temperature of the inlet water, and the heating device is generally a pure resistance circuit, so the invention only needs to monitor the working time t of the heating device2Heating according to the formula W ═ P2*t2The power consumption of the heating device can be calculated.
Specifically, the heating device of this embodiment is a heating pipe, the heating pipe includes N, WHeating of＝N*P2*t2。
W of the present embodiment0＝W01+W02+W03+ … …, said W01、W02、W03… … the power consumption of the electric elements with fixed power consumption during washing can be preset according to the specific configuration of the electric elements of the washing machine. Because the washing machine also has other electricity utilization modules, such as display screen, water inlet valve, water discharge pump and other electricity utilization devices, the electricity utilization devices can use a fixed electricity consumption W0Therefore, the detection and calculation processes can be simplified on the premise of ensuring the accuracy of the calculation result.
The power consumption amount W of the present embodiment0The washing machine of the same model can be tested in a laboratory, and the power consumption W is reduced0The value of (b) is written in the control program of the washing machine.
In particular, W is0At least comprising a control module power consumption W01And the power consumption W of the display module02Valve body assembly W03And a pump body assembly W03。
It should be noted that the power consumption amount W of the present embodiment0The reason why the washing machine generally has a plurality of washing courses is that the power consumption W is not a fixed value but a plurality of fixed values, when different washing courses are selected0Take corresponding values and power consumption W0Mainly depends on the working time of the washing machine, the longer the working time is, the more the power consumption W0The larger.
Similarly, the module power consumption W01And the power consumption W of the display module02Valve body assembly W03And a pump body assembly W03And the washing machine also has a plurality of groups respectively, and also mainly depends on the working time of the washing machine, and the longer the working time is, the larger the value is.
In addition, for the existing washing machine, the washing program of the washing machine includes several fixed modes, therefore, the power consumption W is described0A group of values can be determined corresponding to each washing program, so that when the washing machine is actually used, the W can be selected and determined according to the actual washing program0。
As shown in fig. 2, the disclosed method for monitoring power consumption of a washing machine with a heating function includes:
the washing machine starts to work;
the washing machine calculates the power consumption of the heating pipe according to the working time of the heating pipe;
the washing machine calculates the power consumption of the motor according to the working time of the motor;
the washing machine calculates the power consumption of the washing machine by adding the power consumption of the heating pipe, the power consumption of the motor and the power consumption of other modules.
The embodiment also provides a washing machine adopting the method for monitoring the power consumption of the washing machine, the washing machine comprises a motor, other electrical elements and a timing module, the timing module records the working time of the motor, and the washing machine acquires the time recorded by the timing module according to the formula W ═ WElectric machine+W0Calculating the power consumption of the washing machine;
wherein, WElectric machine＝k*P1*t1K is a correction coefficient, k ^ m, P1The rated power of the motor; w0Is a preset value of the electric elements of the washing machine.
The washing machine adopts a power consumption monitoring method, considers the aspect of not increasing the cost, mainly adopts a corresponding calculation method, analyzes the power consumption of working equipment in the working process of the washing machine, calculates the power consumption of the washing machine according to the special washing flow of the washing machine, basically matches the calculation result of the power consumption of the washing machine with the data detected by a power consumption detection device according to experimental verification, and finally realizes the accurate detection of the power consumption of the washing machine on the premise of not increasing the cost.
The embodiment further provides a washing machine system with the washing machine, wherein the washing machine is in communication connection with an intelligent terminal through a cloud platform server, as shown in fig. 1:
the washing machine executes a washing program, and water consumption and/or power consumption of the washing are calculated according to the washing water inlet time and/or the washing working time;
the washing machine sends the calculated water consumption and/or power consumption to a cloud platform server;
the cloud platform server pushes the water consumption and/or the power consumption to the corresponding intelligent terminal.
According to the washing machine system, after the selected program is operated, the power consumption generated by the operation is calculated, the power consumption is transmitted to the cloud platform server through the network, the cloud platform server transmits the data to the mobile terminal, and the display interface of the mobile terminal presents the data to the user or transmits the data to the user in modes of voice and the like.
The washing machine system of this embodiment, the cloud platform server of being convenient for on the one hand transmits to user's power consumption information, and on the other hand is convenient for the storage of information. In addition, the cloud platform server can push the relevant power saving method according to the actual use condition of the user so as to be convenient for the user to refer to.
The washing machine system of this embodiment shows the power consumption value that obtains for the user with calculating, lets the user directly perceivedly acquire power consumption information, is convenient for develop good washing machine and uses the habit, saves the electric energy.
In addition, it should be further noted that the local end of the washing machine of the embodiment also has a display module capable of displaying the power consumption, and the power consumption can be directly displayed on the display module after the washing machine calculates the power consumption.
Furthermore, the display module can display after the power consumption is calculated in each washing stage of the washing program, so that a user can conveniently check the power consumption in each washing stage.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (11)

1. The method for monitoring the power consumption of the washing machine is characterized by comprising the following steps:
the washing machine executes a washing program and detects the load m of clothes;
after the washing machine finishes washing, the working time t of the motor is obtained1；
The washing machine is based on the formula W ═ WElectric machine+W0Calculating the power consumption of the washing machine;
wherein, WElectric machine＝k*P1*t1K is a correction coefficient, k ^ m, P1The rated power of the motor; w0Is a preset value of the electric elements of the washing machine.
2. Method for monitoring the power consumption of a washing machine according to claim 1, characterized in that the motor of the washing machine is rated at a power P1The corresponding rated load of the clothes is m0Rated load of clothes is m0Preset in the control program of washing machine, k is m/m0。
3. The method for monitoring the power consumption of a washing machine as claimed in claim 1, wherein the correction factor k has a value in the range of k0K is not less than 1, and when the washing machine is unloaded, the correction coefficient k is k0When the washing machine is full or overloaded, the correction coefficient k is 1;
the control system of the washing machine presets a series of k0≤k1、k2、k3、k4······≤1，k1、k2、k3、k4The measured clothes load m is in the corresponding clothes load range, k is from k1、k2、k3、k4The corresponding value is selected.
4. The method for monitoring the power consumption of a washing machine according to claim 1 or 3, wherein the maximum load of the washing machine is m0', when m is less than or equal to 1/4m0When the k value is in the range of 0.3-0.4, when 1/4m0≤m≤m0When' is used, k is in the range of 0.5 to 1.0.
5. The method for monitoring power consumption of a washing machine as claimed in claim 4, wherein k ranges from 0.3 to 0.4 when m is 1/4m0 ', from 0.5 to 06 when 1/4m0 ' is 1/2m0 ', from 0.7 to 0.8 when 1/2m0 ' is 3/4m0 ', and from 0.9 to 1 when 3/4m0 ' is 36 0 '.
6. The method for monitoring the power consumption of a washing machine according to any one of claims 1 to 3, wherein the motor comprises a timing module, and the timing module records the working time t of the motor in the washing process respectively11In the rinsing process for a working time t12Working time t in the dehydration process13The washing machine is according to the formula t1＝t11+t12+t13Calculating and acquiring the working time t of the motor1。
7. The method for monitoring the power consumption of a washing machine according to any one of claims 1 to 3, wherein the washing machine comprises a heating device for heating the washing water, the heating device having a rated power P2After the washing machine finishes washing, the working time t of the heating device is obtained simultaneously2The washing machine is based on the formula W ═ WElectric machine+WHeating of+W0Calculating the power consumption of the washing machine;
wherein, WHeating of＝P2*t2。
8. The method for monitoring power consumption of washing machine according to any one of claims 1-3, wherein W is0＝W01+W02+W03+ … …, said W01、W02、W03… … the power consumption of the electric elements with fixed power consumption during washing can be preset according to the specific configuration of the electric elements of the washing machine.
9. The method for monitoring power consumption of washing machine as claimed in claim 7, wherein W is0At least comprising a control module power consumption W01And the power consumption W of the display module02Valve body assembly W03And a pump body assembly W03。
10. A washing machine using the method for monitoring power consumption of a washing machine according to any one of claims 1 to 8, wherein the washing machine includes a motor, other electrical components, and a timing module, the timing module records the operating time of the motor, and the washing machine acquires the time recorded by the timing module according to the formula W-WElectric machine+W0Calculating the power consumption of the washing machine;
wherein, WElectric machine＝k*P1*t1K is a correction coefficient, k ^ m, P1The rated power of the motor; w0Is a preset value of the electric elements of the washing machine.
11. A washing machine system having the washing machine according to claim 10, wherein the washing machine is communicatively connected to the intelligent terminal through a cloud platform server:
the washing machine executes a washing program, and the power consumption of the washing is calculated according to the washing working time;
the washing machine sends the calculated power consumption to a cloud platform server;
and the cloud platform server pushes the power consumption to the corresponding intelligent terminal.
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CN111254639A (en) * 2020-03-16 2020-06-09 青岛海尔洗衣机有限公司 Washing machine fault early warning method and device, washing machine and storage medium
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CN111983303B (en) * 2020-07-09 2023-09-29 张子毅 Non-invasive electric quantity estimation method for washing machine based on duty cycle decomposition
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