Washing control method and apparatus of a washing machine

Abstract

The application relates to a washing control method and device of a washing machine, which comprises the following steps: judging whether a water heating device of the washing machine is faulty; when the water heating device is faulty, detecting whether the whole machine power of the washing machine is less than a preset power threshold; when the whole machine power is less than the power threshold, executing a first washing strengthening program; the first washing strengthening program comprises: starting other heating devices of the washing machine to heat the washing drum. The washing control method of the application can heat the drum by starting other heating devices when the water heating device of the washing machine is faulty and cannot heat the water in the washing drum, so that the effect of heating the load in the drum is achieved; the maintenance cost of the user can be saved, and the washing effect is ensured to be little different under the same washing program.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of intelligent household appliances, in particular to a washing control method and device of a washing machine. BACKGROUND

[0002] With the development of intelligent washing machines and the improvement of living standards, household washing machines are becoming more and more complete in functions, and washing-drying integrated machines are gradually becoming the development direction of washing machines. The washing-drying integrated machine is a new intelligent washing machine that integrates washing, heating, drying and other functions in one on the basis of a fully automatic washing machine.

[0003] The water heating device in the washing-drying integrated machine usually adopts a heating pipe, which functions to heat tap water at room temperature before injecting it into the drum of the washing machine. In this way, using hot water for washing can significantly improve the washing ratio of the washing machine. For example, under other same conditions, the decontamination ability of the washing machine for clothes is greatly improved when the water temperature in the drum is 40℃ compared with the case when the water temperature in the drum is 20℃.

[0004] The drying function in the washing-drying integrated machine is usually realized by using an exhaust type dryer, the principle of which is that the motor drives the fan blade to produce hot air that is blown into the drum of the washing machine, so that the temperature inside the washing machine is increased, thus evaporating the moisture on the clothes and then discharging it outside the washing machine through the exhaust pipe, so as to dry the clothes. The water heating device and the drying heating device of the washing machine are two sets of equipment, which are independent of each other and do not interfere with each other.

[0005] After the washing machine is used for a period of time, it may fail. The existing washing machine usually has a fault detection program that can detect whether each part of the washing machine has failed. When some faults of the washing machine are detected, the control program will execute the corresponding control process according to the specific fault type.

[0006] In the related art, when the water heating device is detected to have a fault, the control program of the washing machine will skip the water heating step and continue to execute the normal washing process. Therefore, when the water heating device of the washing machine fails, the washing machine cannot heat the water in the washing drum, resulting in a significant decrease in the decontamination ability of the washing machine. SUMMARY

[0007] In order to at least partially overcome the problem that the washing machine cannot heat the water in the washing drum when the water heating device fails in the related art, resulting in a decrease in the decontamination ability, the present application provides a washing control method and device of a washing machine.

[0008] According to a first aspect of an embodiment of the present application, a washing control method of a washing machine is provided, comprising:

[0009] determining whether the water heating device of the washing machine has a fault;

[0010] detecting whether the whole machine power of the washing machine is less than a preset power threshold when the water heating device is malfunctioning;

[0011] executing a first washing strengthening program when the whole machine power is less than the power threshold; the first washing strengthening program comprises: starting other heating devices of the washing machine to heat the washing drum.

[0012] Further, the method further comprises the following steps:

[0013] executing a second washing strengthening program when the whole machine power is greater than or equal to the power threshold; the second washing strengthening program comprises: increasing the rotation-to-stop ratio and / or prolonging the washing time.

[0014] Further, the second washing strengthening program further comprises the following steps:

[0015] increasing the amount of detergent;

[0016] increasing the number of rinsing or increasing the rinsing water level.

[0017] Further, the detecting whether the whole machine power of the washing machine is less than a preset power threshold comprises the following steps:

[0018] turning off the control signal of the water heating device load, and detecting the whole machine power of the washing machine at this time;

[0019] judging whether the whole machine power of the washing machine at this time is less than the preset power threshold.

[0020] Further, the first washing strengthening program comprises the following steps:

[0021] decreasing the rotation speed and / or rotation-to-stop ratio of the washing drum at this time;

[0022] starting the drying heating device to heat the washing drum;

[0023] prolonging the washing time and increasing the rotation speed and / or rotation-to-stop ratio when the temperature in the washing drum reaches a preset first temperature threshold.

[0024] Further, the decreasing the rotation speed and / or rotation-to-stop ratio of the washing drum at this time comprises the following steps:

[0025] controlling the rotation speed to decrease from L1 to L2; wherein L1 is in the range of 40 rpm to 80 rpm, L2 is in the range of 0 rpm to 70 rpm, and L1 is greater than L2; and / or,

[0026] The rotation and stop ratio is controlled to decrease from n1 seconds of rotation and m1 seconds of stop to n2 seconds of rotation and m2 seconds of stop; wherein n1 is in the range of 10-200, n2 is in the range of 0-100, and n1 is greater than n2; m1 is in the range of 10-200, m2 is in the range of 10-200, and m1 is greater than m2.

[0027] Further, the washing time is prolonged and the rotation speed and / or the rotation and stop ratio is increased, including the following steps:

[0028] The washing time is prolonged by t3 based on the initial setting time, and t3 is in the range of 1-200 minutes;

[0029] The rotation speed is controlled to increase from L2 to L3; and / or, the rotation and stop ratio is controlled to increase from n2 seconds of rotation and m2 seconds of stop to n3 seconds of rotation and m3 seconds of stop;

[0030] Wherein n3 is in the range of 10-200 seconds, and m3 is in the range of 0-100 seconds.

[0031] Further, the first washing enhancement program further includes the following steps:

[0032] When the temperature in the washing drum reaches a preset first temperature threshold, the drying heating device is turned off;

[0033] When the temperature in the washing drum decreases to a preset second temperature threshold, the drying heating device is started again.

[0034] Further, the first temperature threshold W1 is in the range of 40-95℃; the second temperature threshold is W2=W1-W3, wherein W3 is in the range of 0-50℃.

[0035] Further, the first washing enhancement program includes the following steps:

[0036] The drying heating device is started to heat the washing drum;

[0037] When the temperature in the washing drum reaches a preset first temperature threshold, the washing time is prolonged and the rotation and stop ratio is increased.

[0038] According to a second aspect of the embodiments of the present application, a washing control device of a washing machine is provided, including:

[0039] A judging module is configured to judge whether a water heating device of the washing machine is faulty;

[0040] A detecting module is configured to detect whether the whole machine power of the washing machine is less than a preset power threshold when the water heating device is faulty;

[0041] The first execution module is configured to execute a first washing strengthening program when the overall power of the washing machine is less than the power threshold value, and the first washing strengthening program comprises starting other heating devices of the washing machine to heat the washing drum.

[0042] Further, the device further comprises:

[0043] The second execution module is configured to execute a second washing strengthening program when the overall power of the washing machine is greater than or equal to the power threshold value, and the second washing strengthening program comprises increasing the rotation-to-stop ratio and / or prolonging the washing time.

[0044] According to a third aspect of the embodiments of the present application, a washing machine is provided, which comprises a water heating device, a drying heating device and a control device, and the control device is configured to control the washing machine to execute the washing control method according to any one of the above embodiments.

[0045] The technical solutions provided by the embodiments of the present application have the following beneficial effects:

[0046] The washing control method provided by the present application can heat the load in the washing drum by starting other heating devices when the water heating device of the washing machine is faulty and cannot heat the water in the washing drum, so that the temperature of the load in the washing drum is raised, the maintenance cost of the user is saved, and the washing effect under the same washing program is ensured to be similar. Before the drying heating device is started, the overall power of the washing machine is detected to ensure that the overall power does not exceed the standard after the drying heating device is started, and the safety of the user's home electricity is ensured.

[0047] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0048] The accompanying drawings, which are incorporated into and form part of the specification, illustrate embodiments consistent with the present application and, together with the specification, serve to explain the principles of the present application.

[0049] Figure 1 is a flowchart of a washing control method of a washing machine according to an embodiment of the present application.

[0050] Figure 2 is a flowchart of a washing control method of a washing machine according to another embodiment of the present application.

[0051] Figure 3 is an execution flowchart of a washing control method according to an embodiment of the present application.

[0052] Figure 4 is a flowchart of a first washing strengthening program according to an embodiment of the present application.

[0053] Figure 5 is a flow chart of a first washing reinforcing program according to another embodiment of the present application.

[0054] Figure 6 is a flow chart of a second washing reinforcing program according to an embodiment of the present application.

[0055] Figure 7 is a block diagram of a washing control device of a washing machine according to an embodiment of the present application.

[0056] Figure 8 is a block diagram of a washing control device of a washing machine according to another embodiment of the present application. DETAILED DESCRIPTION

[0057] The exemplary embodiments will be described in detail herein below with reference to the drawings. In the following description, the same drawings refer to the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments are not meant to represent all embodiments consistent with the present application. Rather, they are merely examples of methods and apparatuses consistent with some aspects of the present application as detailed in the appended claims.

[0058] Figure 1 is a flow chart of a washing control method of a washing machine according to an exemplary embodiment. The method comprises the following steps:

[0059] Step S1, judging whether a water heating device of the washing machine is in failure.

[0060] Step S2, when the water heating device is in failure, detecting whether a total power of the washing machine is less than a preset power threshold. Before starting the drying heating device, the total power of the washing machine is detected to ensure that the total power will not exceed the standard after the drying heating device is started, and to ensure the safety of the electricity in the user's home.

[0061] Step S3, when the total power is less than the power threshold, executing a first washing reinforcing program; the first washing reinforcing program comprises: starting other heating devices of the washing machine to heat the washing drum. The other heating devices of the washing machine can be a steam generating device, a drying heating device, an electric radiation device, etc.

[0062] The washing control method of the present application aims at the case that the washing machine cannot heat the water in the washing drum due to the failure of the water heating device, and heats the drum by starting the drying heating device, so as to achieve the effect of heating the load in the drum. This can save the maintenance cost for the user and ensure that the washing effect is not much different under the same washing program.

[0063] As Figure 2As shown, in another embodiment, the washing control method of the present application can comprise the following steps:

[0064] Step S1, judging whether the water heating device of the washing machine is faulty.

[0065] Step S2, when the water heating device is faulty, detecting whether the overall power of the washing machine is less than a preset power threshold.

[0066] Step S3, when the overall power is less than the power threshold, executing a first washing strengthening program; the first washing strengthening program comprises: starting other heating devices of the washing machine to heat the washing drum. The other heating devices of the washing machine can be steam generating devices, drying heating devices, electric radiation devices, etc.

[0067] Step S4, when the overall power is greater than or equal to the power threshold, executing a second washing strengthening program; the second washing strengthening program comprises: increasing the rotation-to-stop ratio and / or prolonging the washing time.

[0068] The scheme of the present application takes into account the situation that the overall power of the washing machine is already high before starting the drying heating device, and forcibly starting the drying heating device may exceed the power threshold and bring safety hazards. Therefore, in the case that the overall power is greater than or equal to the power threshold, the clothes are washed intensively by increasing the washing time and adjusting the rotation-to-stop ratio, so as to ensure that the washing effect will not be poor in the case of using normal temperature water.

[0069] It should be understood that, although Figure 1 and Figure 2 the flowcharts show the steps in sequence according to the arrows, these steps are not necessarily executed in sequence according to the arrows. Unless otherwise specified herein, the execution of these steps is not strictly limited in sequence, and these steps can be executed in other sequences. Moreover, Figure 1 and Figure 2 at least part of the steps can comprise multiple sub-steps or multiple stages, which are not necessarily executed at the same time, but can be executed at different times, and the execution sequence of these sub-steps or stages is not necessarily sequential, but can be executed in rotation or alternation with other steps or sub-steps or stages of other steps.

[0070] In order to make the purpose, technical scheme and advantages of the present application clearer, the embodiments of the present application will be further described in detail below with reference to the drawings.

[0071] As Figure 3As shown in step S2, detecting whether the overall power of the washing machine is less than a preset power threshold value includes the following steps: turning off the control signal of the water heating device load, detecting the overall power of the washing machine at this time; and determining whether the overall power of the washing machine at this time is less than the preset power threshold value.

[0072] As shown in step S2, detecting whether the overall power of the washing machine is less than a preset power threshold value includes the following steps: turning off the control signal of the water heating device load, detecting the overall power of the washing machine at this time; and determining whether the overall power of the washing machine at this time is less than the preset power threshold value. Figure 3 As shown in step S2, detecting whether the overall power of the washing machine is less than a preset power threshold value includes the following steps: turning off the control signal of the water heating device load, detecting the overall power of the washing machine at this time; and determining whether the overall power of the washing machine at this time is less than the preset power threshold value.

[0073] If the overall power P is less than the set value P1, a first washing strengthening program is executed.

[0074] As shown in step S2, detecting whether the overall power of the washing machine is less than a preset power threshold value includes the following steps: turning off the control signal of the water heating device load, detecting the overall power of the washing machine at this time; and determining whether the overall power of the washing machine at this time is less than the preset power threshold value. Figure 4 As shown in step S2, detecting whether the overall power of the washing machine is less than a preset power threshold value includes the following steps: turning off the control signal of the water heating device load, detecting the overall power of the washing machine at this time; and determining whether the overall power of the washing machine at this time is less than the preset power threshold value.

[0075] In the above embodiment, reducing the rotation speed of the washing drum at this time includes the following steps: controlling the rotation speed to decrease from L1 to L2. Wherein L1 is in the range of 40 rpm to 80 rpm, preferably 50 rpm; L2 is in the range of 0 rpm to 70 rpm, preferably 35 rpm; and L1 is greater than L2.

[0076] Reducing the rotation and stop ratio of the washing drum at this time includes the following steps: controlling the rotation and stop ratio to decrease from rotating n1 seconds and stopping m1 seconds to rotating n2 seconds and stopping m2 seconds. Wherein n1 is in the range of 10 to 200 seconds, preferably 15 seconds; n2 is in the range of 0 to 100 seconds, preferably 5 seconds; and n1 is greater than n2. m1 is in the range of 10 to 200, preferably 15 seconds; m2 is in the range of 10 to 200, preferably 25 seconds; and m1 is greater than m2.

[0077] After reducing the rotation and stop ratio, the drying fan and the drying heating device are turned on. The drying heating device can be a drying electric heating, heat pump type, heat radiation type heating, etc., which is not limited in the present application. The drying heating device is used to blow hot air into the washing drum to increase the temperature in the drum.

[0078] When the temperature is greater than the W1 set temperature, the drying heating device needs to be closed first, and the washing time is extended, and the washing time is adjusted from t1 to t2, t1 is the initial set time (i.e. the washing time set by the original program), t2=t1+t3, t3 is in the range of 1-200 min, preferably 30 min. At the same time, the rotation-stop ratio is improved, and the rotation n2 seconds and stop m2 seconds at the rotation speed L2 are improved to the rotation n3 seconds and stop m3 seconds at the rotation speed L3. L3 is in the range of 40 rpm-100 rpm; the rotation n3 seconds is in the range of 10-200 seconds, preferably 55 seconds; the stop time m3 seconds is in the range of 1-100 seconds, preferably 5 seconds; the first temperature threshold W1 is in the range of 40-95°C, preferably 60°C;

[0079] In some embodiments, the first washing enhancement program further comprises the following steps: when the temperature in the washing drum reaches the preset first temperature threshold W1, the drying heating device is closed; when the temperature in the washing drum decreases to the preset second temperature threshold W2, the drying heating device is started again, and the washing machine will repeat the above process. The first temperature threshold W1 is in the range of 40-95°C; the second temperature threshold is W2=W1-W3, and W3 is in the range of 0-50°C.

[0080] As shown in Figure 5 In some embodiments, the first washing enhancement program comprises the following steps: starting the drying heating device to heat the washing drum; when the temperature in the washing drum reaches the preset first temperature threshold, the washing time is extended and the rotation-stop ratio is improved.

[0081] In the above embodiments, the drying heating device (such as a steam generating device for generating high-temperature steam to blow into the drum to heat the load in the drum by using high-temperature and high-humidity water vapor) is directly started. When the temperature is greater than the W1 set temperature, the washing time is adjusted, and the washing time is adjusted from t1 to t2, t1 is the original program washing time, t2=t1+t3, t3 is in the range of 1-200 min, preferably 30 min. The rotation-stop ratio is improved, and the rotation n2 seconds and stop m2 seconds at the rotation speed L2 are improved to the rotation n3 seconds and stop m3 seconds at the rotation speed L3. L3 is in the range of 40 rpm-100 rpm, preferably 55 rpm; the rotation n3 seconds is in the range of 10-200 seconds, preferably 55 seconds; the stop time m3 seconds is in the range of 1-100 seconds, preferably 5 seconds; the W1 temperature is in the range of 40-95°C, preferably 60°C; when the washing temperature is less than W2, the washing machine will repeat the above process; W2=W1-W3, W3 is in the range of 0-50°C, preferably 10°C.

[0082] As shown in Figure 6As shown, when the overall machine power is greater than or equal to the power threshold, forcibly turning on the drying heating device poses a safety risk, and at this time, the second washing strengthening program is executed. In the detergent dispensing stage of washing, the amount of detergent to be dispensed is increased; by increasing the washing time, adjusting the rotation-stop ratio, increasing the number of rinsing and the rinsing water level, it is ensured that the detergent residue will not exceed the standard, and by the above-mentioned means, the parameters of the washing process are adjusted.

[0083] In some embodiments, the second washing strengthening program includes: increasing the rotation-stop ratio and / or prolonging the washing time. In other embodiments, the second washing strengthening program can also include the following steps: increasing the amount of detergent to be dispensed; increasing the number of rinsing or increasing the rinsing water level.

[0084] For example, if the overall machine power P is greater than the preset power threshold P1, the washing strengthening program 2 is executed. The amount of detergent to be dispensed is increased, and the increase in the amount of detergent is a. The value of a ranges from 0 to 200%, and is preferably 50%. The rotation-stop ratio is increased from rotation at a speed L2 for n2 seconds and stop for m2 seconds to rotation at a speed L3 for n3 seconds and stop for m3 seconds. L3 ranges from 40 rpm to 100 rpm, and is preferably 55 rpm; the rotation for n3 seconds ranges from 10 to 200 seconds, and is preferably 55 seconds; the stop time m3 seconds ranges from 1 to 100 seconds, and is preferably 5 seconds. The washing time is adjusted, and the washing time is adjusted from t1 to t2. t1 is the original program washing time, and t2=t1+t3. t3 ranges from 1 to 200 min, and is preferably 30 min. Since the amount of detergent to be used is increased, the number of rinsing and the rinsing water level need to be increased in order to remove the detergent residue of the clothes.

[0085] In summary, the above technical solutions are adopted in the present application. When the water heating device fails to heat, the washing machine has a risk of decreased washing efficiency under the same washing program. In this case, the drying heating device is turned on, and the hot air blown out by the drying heating device is used to heat the drum, so as to achieve the effect of heating the load in the drum, thereby ensuring the washing effect. The drying heating device can be: drying electric heating, drying heat pump heating system, infrared radiation heating, steam generating device, etc., and the present application does not limit this.

[0086] When the overall machine power is greater than or equal to the power threshold, forcibly turning on the drying heating device poses a safety risk. By adjusting the washing process parameters (including: changing the rotation-stop ratio, the washing time, adjusting the amount of detergent to be dispensed, etc.), the clothes are washed intensively, the washing capacity of the washing machine under normal temperature water washing is improved, and it is ensured that the clothes are washed clean. This can save maintenance costs for users, and can also ensure that the washing efficiency under the same washing program is not much different.

[0087] Figure 7 is a block diagram of a washing control device of a washing machine according to an exemplary embodiment. Referring to Figure 7The apparatus comprises a judging module 701, a detecting module 702 and a first executing module 703.

[0088] The judging module 701 is configured to judge whether the water heating device of the washing machine is faulty. The detecting module 702 is configured to detect whether the overall power of the washing machine is less than a preset power threshold when the water heating device is faulty. The first executing module 703 is configured to execute a first washing strengthening program when the overall power is less than the power threshold; the first washing strengthening program comprises starting other heating devices of the washing machine to heat the washing drum.

[0089] As shown in FIG. 7, Figure 8 in another embodiment, the apparatus further comprises a second executing module 704 configured to execute a second washing strengthening program when the overall power is greater than or equal to the power threshold; the second washing strengthening program comprises increasing the rotation-to-stop ratio and / or prolonging the washing time.

[0090] As to the apparatus in the above embodiments, the specific steps in which the modules perform operations have been described in detail in the embodiments of the method, and thus will not be described in detail here. The modules in the above washing control apparatus can be realized by software, hardware and combinations thereof in whole or in part. The modules can be embedded in or independent of the processor in the computer device in hardware form, or stored in the memory in the computer device in software form, so as to be called and executed by the processor to perform the operations corresponding to the modules.

[0091] In one embodiment, the present application further provides a washing machine comprising a water heating device, a drying heating device and a control device; the control device is configured to control the washing machine to execute the washing control method as described in any one of the above embodiments: judging whether the water heating device of the washing machine is faulty; detecting whether the overall power of the washing machine is less than a preset power threshold when the water heating device is faulty; executing a first washing strengthening program when the overall power is less than the power threshold; the first washing strengthening program comprises starting other heating devices of the washing machine to heat the washing drum.

[0092] It can be understood that the same or similar parts in the above embodiments can be mutually referred to, and the contents not described in detail in some embodiments can be referred to the same or similar contents in other embodiments.

[0093] It should be noted that, in the description of the present application, the terms "first", "second" and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, in the description of the present application, unless otherwise specified, the meaning of "a plurality of" is at least two.

[0094] Any processes or methods described in the flowcharts or elsewhere in this specification can be understood as representing one or more modules, segments, or portions of code that includes executable instructions for performing specific logical functions or steps, and the various embodiments of the application can include additional or fewer steps performing the same or equivalent functions in the same or equivalent order as those described and shown in the figures. The various embodiments of the application can be implemented in software, hardware, firmware, or a combination thereof.

[0095] It should be understood that portions of the application can be implemented in hardware, software, firmware, or combinations thereof. In the above embodiments, the various steps or methods can be implemented in software or firmware that is stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, and in another embodiment, any of the following technologies, known in the art, or their combinations can be used: discrete logic circuitry having logic gates for implementing logic functions on data signals, application specific integrated circuits having appropriate combinational logic gates, programmable gate arrays (PGA), field programmable gate arrays (FPGA), and the like.

[0096] Those skilled in the art can understand that all or part of the steps carried out by the above-mentioned embodiments can be completed by programs instructing related hardware, and the programs can be stored in a computer readable storage medium, and when executed, include one or a combination of steps of the method embodiments.

[0097] In addition, the functional units in each embodiment of the present application can be integrated into one processing module, or each unit can be physically present alone, or two or more units can be integrated into one module. The above-mentioned integrated module can be realized in the form of hardware or in the form of a software function module. When the integrated module is realized in the form of a software function module and sold or used as an independent product, it can also be stored in a computer readable storage medium.

[0098] The above-mentioned storage medium can be a read-only memory, a magnetic disk or an optical disk, etc.

[0099] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0100] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and that those skilled in the art can make changes, modifications, substitutions and variations to the above-described embodiments within the scope of the present application.

Claims

1. A washing control method for a washing machine, characterized in that: The steps include: Determine whether the water heating device of the washing machine is faulty; When the water heating device fails, it detects whether the overall power of the washing machine is less than a preset power threshold; When the power of the whole machine is less than the power threshold, the first washing enhancement program is executed; The first washing enhancement program comprises: starting the washing machine's other heating device to heat the washing tub; When the power of the whole machine is greater than or equal to the power threshold, a second enhanced washing program is executed; the second enhanced washing program includes: increasing the start-stop ratio and / or extending the washing time.

2. The method according to claim 1, characterized in that The second washing enhancement program further comprises the following steps: Increase the amount of detergent used; Increase the number of rinses or raise the rinse water level.

3. The method according to any one of claims 1-2, characterized in that The step of detecting whether the total power of the washing machine is less than a preset power threshold comprises the following steps: Turn off the control signal of the water heating device load and detect the overall power of the washing machine at this time; It is determined whether the overall power of the washing machine is less than a preset power threshold at this time.

4. The method according to any one of claims 1 to 2, characterized in that The first washing enhancement program comprises the following steps: Reduce the rotation speed and / or the start-stop ratio of the washing drum at this time; Start the drying and heating device to heat the washing drum; When the temperature in the washing tub reaches a preset first temperature threshold, the washing time is extended and the rotation speed and / or the start-stop ratio is increased.

5. The method according to claim 4, characterized in that Reducing the rotation speed and / or the start-stop ratio of the washing drum at this time includes the following steps: Control the speed to decrease from L1 to L2; wherein the range of L1 is 40 rpm to 80 rpm, the range of L2 is 0 rpm to 70 rpm, and L1 is greater than L2; and / or, The control rotation-stop ratio is reduced from rotating for n1 seconds and stopping for m1 seconds to rotating for n2 seconds and stopping for m2 seconds; the value range of n1 is 10~200, the value range of n2 is 0~100, and n1 is greater than n2; the value range of m1 is 10~200, the value range of m2 is 10~200, and m1 is greater than m2.

6. The method according to claim 5, characterized in that Extend the wash time and increase the speed and / or the start-stop ratio, including the following steps: The washing time is extended by t3 based on the initial setting time. The value range of t3 is 1~200min; Control the speed to increase from L2 to L3; and / or control the rotation-stop ratio from rotating for n2 seconds and stopping for m2 seconds to rotating for n3 seconds and stopping for m3 seconds; The value range of n3 is 10~200 seconds, and the value range of m3 is 0~100 seconds.

7. The method according to claim 4, characterized in that The first washing enhancement program further comprises the following steps: When the temperature in the washing tub reaches a preset first temperature threshold, the drying and heating device is turned off; When the temperature in the washing tub drops to a preset second temperature threshold, the drying and heating device is started again.

8. The method according to claim 7, wherein: The first temperature threshold W1 has a value range of 40-95°C; the second temperature threshold W2 = W1-W3, where the value range of W3 is 0-50°C.

9. The method according to any one of claims 1-2, characterized in that The first washing enhancement program comprises the following steps: Start the drying and heating device to heat the washing drum; When the temperature in the washing tub reaches a preset first temperature threshold, the washing time is extended and the start-stop ratio is increased.

10. A washing control device for a washing machine, characterized in that: include: A judgment module, used to judge whether the water heating device of the washing machine is faulty; A detection module, used to detect whether the overall power of the washing machine is less than a preset power threshold when a water heating device fails; A first execution module, configured to execute a first enhanced washing program when the power of the entire machine is less than a power threshold; The first washing enhancement program comprises: starting the washing machine's other heating device to heat the washing tub; It also includes: a second execution module, which is used to execute a second washing enhancement program when the power of the entire machine is greater than or equal to the power threshold; the second washing enhancement program includes: increasing the start-stop ratio and / or extending the washing time.

11. A washing machine comprising a water heating device, a drying and heating device, and a control device; characterized in that: The control device is used to control the washing machine to execute the washing control method according to any one of claims 1 to 9.

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