Washing equipment rinsing control method and washing equipment

Abstract

The invention discloses a washing equipment rinsing control method and washing equipment. The washing equipment rinsing control method comprises the following steps that S1, the washing equipment runs in a spraying rinsing stage, water is sprayed to clothes for rinsing, a first stain index is obtained, water is sprayed to the clothes again for rinsing, and a second stain index is obtained; s2, the washing equipment judges whether the washing equipment enters a water storage rinsing stage or not according to a comparison result of the second stain index and the first stain index; and S3, after entering the water storage rinsing stage, obtaining a water storage stain index, if the water storage stain index is smaller than or equal to a stain index threshold value, ending the water storage rinsing stage, and otherwise, keeping the water storage rinsing stage. According to the method, the effect of the spraying rinsing stage is objectively reflected through the comparison result of the two stain indexes of the two spraying rinsing stages, the water storage rinsing stage is started when the effect is poor, the water consumption is reduced, in the water storage rinsing stage, when the water storage rinsing stage is ended is judged by setting the stain index threshold value, and the water storage rinsing stage can be stopped. And a good rinsing effect is ensured.

Description

Technical Field

[0001] The present invention belongs to the technical field of washing equipment, and in particular, relates to a washing equipment rinsing control method and the washing equipment. Background Art

[0002] As the most widely used household appliance in people's daily life, washing equipment helps people get rid of the trouble of washing clothes and brings great convenience to people. However, with the increasing types and functions of washing equipment, it is difficult to make the timing of the rinsing process more reasonable while making it more suitable for users' different rinsing requirements.

[0003] Especially for high-water-consuming washing equipment, such as pulsator washing machines, a spray rinsing stage function is added to separate the detergent and stains from the clothes through the spray rinsing stage in order to achieve a good rinsing effect using less water.

[0004] However, how to optimize the overall timing of rinsing including the spray rinsing stage to make the judgment process more accurate and reduce the water consumption of rinsing while achieving a good rinsing effect is a technical problem that needs to be solved.

[0005] In view of this, the present invention is proposed. Summary of the invention

[0006] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a control method for rinsing of a washing device and a washing device. By comparing the results of the two stain indexes in the two spray rinsing stages, the effect of the spray rinsing stage can be objectively reflected. When the effect of the spray rinsing stage is poor, the spray rinsing stage is ended and the water storage rinsing stage is entered. When the effect of the spray rinsing stage is good, the spray rinsing stage is maintained, thereby reducing the water consumption of rinsing. In the water storage rinsing stage, the water storage stain index is less than or equal to the stain index threshold, and the water storage rinsing stage is ended, thereby ensuring a good rinsing effect.

[0007] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0008] The present invention provides a method for controlling rinsing of a washing device, comprising the following steps:

[0009] Step S1, the washing device runs a spray rinsing stage, sprays water on the clothes for rinsing, performs stain detection on the rinsing water, obtains a first stain index, sprays water on the clothes for rinsing again, performs stain detection on the rinsing water, and obtains a second stain index;

[0010] Step S2, the washing device determines whether to enter the water storage rinsing stage according to the comparison result of the second stain index and the first stain index;

[0011] Step S3: After the washing device determines that it has entered the water storage and rinsing stage, it performs stain detection on the rinsing water to obtain a water storage stain index. If the water storage stain index is less than or equal to the stain index threshold, the water storage and rinsing stage is ended, otherwise the water storage and rinsing stage is maintained.

[0012] The present invention can objectively reflect the effect of the spray rinsing stage by comparing the two stain indexes of the two spray rinsing stages. When the effect of the spray rinsing stage is poor, the spray rinsing stage is ended and the water storage rinsing stage is entered. When the effect of the spray rinsing stage is good, the spray rinsing stage is maintained, thereby reducing the water consumption of rinsing. In the water storage rinsing stage, the water storage stain index is less than or equal to the stain index threshold, and the water storage rinsing stage is ended, thereby ensuring a good rinsing effect.

[0013] A further solution of the present invention is: Step S2 specifically comprises:

[0014] If the washing device determines that the difference between the second stain index and the first stain index is less than a set value, it enters the water storage rinsing stage, otherwise it continues with the spray rinsing stage.

[0015] In the above scheme, whether the difference between the second stain index and the first stain index is less than the set value can accurately reflect that the amount of stains sprayed out by spraying water on the clothes for rinsing for the second time is more or less than the first time. The amount of stains sprayed out more or less is the spray rate. When the spray rate is poor and lower than the set value, the water storage rinsing stage is entered to avoid continued water consumption in the spray rinsing stage and failure to achieve a good rinsing effect.

[0016] A further solution of the present invention is: in step S2, if it is determined that the water storage and rinsing stage is not to be entered, step S4 is performed after step S2, and step S4 includes:

[0017] Assign the value of the second stain index to the first stain index, spray water on the clothes for rinsing, detect stains on the rinsing water, re-acquire the second stain index, and return to step S2.

[0018] In the above scheme, the continuous operation of the spray rinsing stage and the continuous detection and judgment of the stain content of the rinsing water are achieved.

[0019] A further solution of the present invention is: in step S1 / step S4, after the washing device completes the operation of spraying water on the clothes for rinsing, the clothes are dehydrated. During the dehydration process, the rinsing water removed from the clothes is discharged through a drainage channel, and the washing device performs stain detection on the rinsing water flowing through the drainage channel to obtain the first stain index and / or the second stain index.

[0020] In the above scheme, it is achieved that the stain content of the rinsing water sprayed onto the clothes for rinsing and washing out the stains in the clothes is detected more accurately, and a more accurate first stain index and / or second stain index is obtained.

[0021] A further solution of the present invention is: the washing equipment sets an upper limit on the number of spray times, and if the execution times of step S2 reaches the upper limit on the number of spray times, the spray rinsing stage is ended and the water storage rinsing stage is entered.

[0022] In the above scheme, when the effect of the spray rinsing stage is good, the spray rinsing stage is performed for a set number of times.

[0023] A further solution of the present invention is that the washing device receives a selection instruction for a rinsing mode, and determines the stain index threshold value described in step S3 according to the selection instruction.

[0024] In the above scheme, the user can select the rinsing mode, so that the rinsing effect meets the user's needs.

[0025] A further solution of the present invention is: if the running time of step S3 exceeds the upper limit of the running time of the water storage and rinsing stage, the water storage and rinsing stage is terminated and the process returns to step S1;

[0026] The washing device sequentially executes step S1 and step S2, and after determining in step S2 that it has entered the water storage rinsing stage, continues to execute step S3;

[0027] During the execution of step S3 this time, when the running time exceeds the upper limit of the running time of the water storage and rinsing stage, the water storage and rinsing stage is maintained, and the end of the water storage and rinsing stage is continuously controlled according to the water storage stain index.

[0028] In the above scheme, when the water storage and rinsing stage is completely completed, steps S1 and S2 are re-executed, and it is determined in step S2 that the water storage and rinsing stage has been entered, which means that the effect of the spray rinsing stage is poor. There are stains that cannot be rinsed clean in one water storage and rinsing stage, such as too much detergent in the clothes, discoloration of the clothes, etc. These stains require a long time to be leached out, so a long water storage and rinsing stage is performed, which avoids water consumption in the spray rinsing stage and further reduces the water consumption for rinsing.

[0029] A further solution of the present invention is: the washing equipment accumulates the number of operations of the water storage rinsing stage in this rinsing program. If the number of operations reaches the upper limit of the total number of operations in this water storage rinsing stage, the rinsing is ended when it is judged that the water storage rinsing stage is ended.

[0030] In the above scheme, when there are stains that cannot be rinsed clean, rinsing is terminated in time to avoid excessive water consumption.

[0031] The present invention also provides a washing device, wherein the washing device executes the control method for rinsing the washing device.

[0032] A further solution of the present invention is that the washing equipment is provided with a detection device for detecting stains on the rinsing water, and the detection device is an ultraviolet spectrum sensor.

[0033] In the above solution, the ultraviolet spectrum sensor is used to accurately obtain the first stain index, the second stain index and the water storage stain index.

[0034] After adopting the above technical scheme, the present invention has the following beneficial effects compared with the prior art.

[0035] 1. The comparison results of the two stain indexes in the two spray rinsing stages can objectively reflect the effect of the spray rinsing stage. When the spray rinsing stage has a poor effect, the spray rinsing stage is terminated and the water storage rinsing stage is entered. When the spray rinsing stage has a good effect, the spray rinsing stage is maintained, thereby reducing the water consumption of rinsing. In the water storage rinsing stage, when the water storage stain index is less than or equal to the stain index threshold, the water storage rinsing stage is terminated, thereby ensuring a good rinsing effect.

[0036] 2. Whether the difference between the second stain index and the first stain index is less than the set value can accurately reflect whether the second time the clothes are sprayed with water for rinsing, the amount of stains sprayed out is more or less than the first time. The amount of stains sprayed out is the spray rate. When the spray rate is poor and lower than the set value, the water storage rinsing stage is entered to avoid continued water consumption in the spray rinsing stage and failure to achieve a good rinsing effect;

[0037] 3. Through the ultraviolet spectrum sensor, it is possible to obtain accurate first stain index, second stain index and water storage stain index.

[0038] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the accompanying drawings:

[0040] Figure 1 It is a schematic flow chart of a method for controlling rinsing of a washing device according to the present invention;

[0041] Figure 2It is a data schematic diagram of a specific implementation method of a washing device control method of the present invention;

[0042] Figure 3 It is a schematic diagram of the overall structure of a washing device of the present invention;

[0043] Figure 4 The present invention Figure 3 Detailed structural diagram of Part A;

[0044] Figure 5 It is a detailed structural schematic diagram of the spray port of the spray device of the present invention.

[0045] In the figure: 1. spray device; 11. main water inlet pipe; 12. spray pipe; 121. spray port; 13. pressurizing part; 14. first valve member; 15. second valve member; 2. casing; 3. outer barrel; 4. inner barrel.

[0046] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but are intended to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0047] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0048] In the description of the present invention, it should be noted that the directions or positional relationships indicated by terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “vertical”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0049] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0050] like Figures 1 to 5As shown, the present invention provides a control method for rinsing a washing device and a washing device. By comparing the two stain indexes of the two spray rinsing stages, the effect of the spray rinsing stage can be objectively reflected. When the effect of the spray rinsing stage is poor, the spray rinsing stage is ended and the water storage rinsing stage is entered. When the effect of the spray rinsing stage is good, the spray rinsing stage is maintained, thereby reducing the water consumption of rinsing. In the water storage rinsing stage, the water storage stain index is less than or equal to the stain index threshold, and the water storage rinsing stage is ended, thereby ensuring a good rinsing effect.

[0051] Embodiment 1

[0052] like Figures 1 to 5 As shown, the present embodiment provides a method for controlling rinsing of a washing device, comprising the following steps: step S1, the washing device runs in a spray rinsing stage, sprays water on the clothes for rinsing, performs a stain detection on the rinsing water, obtains a first stain index, sprays water on the clothes for rinsing again, performs a stain detection on the rinsing water, and obtains a second stain index; step S2, the washing device determines whether to enter a water storage rinsing stage based on a comparison result of the second stain index and the first stain index; step S3, after the washing device determines that it has entered the water storage rinsing stage, performs a stain detection on the rinsing water to obtain a water storage stain index, and if the water storage stain index is less than or equal to a stain index threshold, ends the water storage rinsing stage, otherwise maintains the water storage rinsing stage.

[0053] In this embodiment, the rinsing includes a spray rinsing stage and a water storage rinsing stage.

[0054] In detail, each spray rinsing stage includes multiple operations of spraying water on the clothes for rinsing. Each water storage rinsing stage includes once filling water into the washing tub to leach out the detergent and stains in the clothes, and draining out the stains flushed out in the spray rinsing stage as thoroughly as possible. It can be understood that in the spray rinsing stage, since the spray water directly impacts the clothes, most of the stains are easier to separate from the clothes, such as dust, detergents soluble in water, etc., so that a good rinsing effect is achieved using less water. However, there are also a small number of tightly adhered stains on the clothes, such as oily stains, excessive detergent that is not soluble in water, etc. Therefore, by comparing the second stain index with the first stain index, it can be reflected whether there are still stains that are easily separated from the clothes after spraying water on the clothes for the second time, and then after most of the stains are separated from the clothes, the spray rinsing stage is ended and the water storage rinsing stage is entered. In the water storage rinsing stage, only less water is needed than the normal water storage rinsing stage to soak out the small number of tightly adhered stains, and further discharge the stains flushed out in the spray rinsing stage.

[0055] The washing device is provided with an ultraviolet spectrum sensor, which detects the amount of stains using ultraviolet absorption spectroscopy. The ultraviolet absorption spectroscopy detects the amount of a substance by the corresponding relationship between the substance and its ultraviolet visible spectrum when the substance absorbs light of a specific wavelength to a maximum value. The amount of stains includes a variety of substances that cannot be detected by conventional sensors. Conventional sensors, such as infrared tube sensors, cannot detect organic soluble stains, including oily stains, proteins, detergents, and emulsions, while the ultraviolet spectrum sensor can detect insoluble particles while detecting the above-mentioned organic soluble stains. Since organic soluble stains include the main types of dirt on clothes, during the washing process, by accurately detecting the amount of stains, a more accurate first stain index and second stain index can be obtained.

[0056] Therefore, by comparing the two stain indexes of the two spray rinsing stages, the effect of the spray rinsing stage can be objectively reflected. When the effect of the spray rinsing stage is poor, the spray rinsing stage is ended and the water storage rinsing stage is entered. When the effect of the spray rinsing stage is good, the spray rinsing stage is maintained, thereby reducing the water consumption of rinsing. In the water storage rinsing stage, the water storage stain index is less than or equal to the stain index threshold, and the water storage rinsing stage is ended, thereby ensuring a good rinsing effect.

[0057] In this embodiment, step S2 is specifically as follows: if the washing device determines that the difference between the second stain index and the first stain index is less than a set value, it enters the water storage rinsing stage, otherwise it continues the spray rinsing stage.

[0058] In detail, whether the difference between the second stain index and the first stain index is less than the set value can accurately reflect that the amount of stains sprayed out by spraying water on the clothes for rinsing for the second time is more or less than the first time. The amount of stains sprayed out more or less is the spray rate. When the spray rate is poor and lower than the set value, the water storage rinsing stage is entered to avoid continued water consumption in the spray rinsing stage and failure to achieve a good rinsing effect.

[0059] Specifically, the set value is a positive number, such as 1. Due to the rotation of the washing tub, the spraying area for the second time spraying water on the clothes for rinsing does not completely overlap with the first spraying area. Therefore, if the spraying effect is good, the second stain index should include part of the amount of stains remaining after the clothes should be sprayed with water for rinsing for the first time, and the second stain index should be at least more than the first stain index by the set value of stains, that is, the spray rate is greater than or equal to the set value, that is, when the spraying effect is good, the spraying and rinsing stage is maintained, otherwise it means that the spraying effect is poor and enters the water storage and rinsing stage.

[0060] In this embodiment, in step S2, if it is determined that the water storage and rinsing stage will not be entered, step S4 is executed after step S2, and step S4 includes: assigning the numerical value of the second stain index to the first stain index, spraying water on the clothes for rinsing, performing stain detection on the rinsing water, re-obtaining the second stain index, and returning to step S2.

[0061] The continuous operation of the spray rinsing stage and the continuous detection and judgment of the stain content of the rinsing water are achieved.

[0062] In this embodiment, in step S1 / step S4, after the washing device completes the operation of spraying water on the clothes for rinsing, the clothes are dehydrated. During the dehydration process, the rinsing water removed from the clothes is discharged through a drainage channel. The washing device performs stain detection on the rinsing water flowing through the drainage channel to obtain the first stain index and / or the second stain index.

[0063] More accurate detection of the stain content of the rinsing water used to rinse the clothes and wash out the stains in the clothes is achieved, so that a more accurate first stain index and / or second stain index can be obtained.

[0064] In this embodiment, the washing device sets an upper limit on the number of spray times. If the number of executions of step S2 reaches the upper limit on the number of spray times, the spray rinsing stage is ended and the water storage rinsing stage is entered.

[0065] In detail, the actual number of spray times of the washing device is the number of executions of step S2 plus the two times in step S1, so after the washing device receives the user's setting instruction for the number of spray times, it subtracts 2 from the value corresponding to the setting instruction to obtain the upper limit of the number of spray times.

[0066] It is achieved that when the effect of the spray rinsing stage is good, the spray rinsing stage is performed for a set number of times.

[0067] In this embodiment, the washing device receives a selection instruction for a rinsing mode, and determines the stain index threshold value described in step S3 according to the selection instruction.

[0068] The user can select the rinsing mode, so that the rinsing effect meets the needs of the user.

[0069] In this embodiment, if the running time of step S3 exceeds the upper limit of the running time of the water storage and rinsing stage, the water storage and rinsing stage is ended and the process returns to step S1; the washing equipment executes steps S1 and S2 in sequence, and after determining in step S2 that it has entered the water storage and rinsing stage, it continues to execute step S3; during the execution of step S3 this time, when the running time exceeds the upper limit of the running time of the water storage and rinsing stage, the water storage and rinsing stage is maintained, and the end of the water storage and rinsing stage is continued to be controlled according to the water storage stain index.

[0070] When the water storage and rinsing stage is completely completed, steps S1 and S2 are re-executed, and it is determined in step S2 that the water storage and rinsing stage has been entered, which means that the effect of the spray rinsing stage is poor. There are stains that cannot be rinsed clean in one water storage and rinsing stage, such as too much detergent in the clothes, discoloration of the clothes, etc. These stains require a long time to leach out, so a long water storage and rinsing stage is performed, which avoids water consumption in the spray rinsing stage and further reduces the water consumption for rinsing.

[0071] In this embodiment, the washing device accumulates the number of operations in the water storage rinsing stage in this rinsing procedure. If the number of operations reaches the upper limit of the total number of operations in this water storage rinsing stage, rinsing is ended when it is determined that this water storage rinsing stage is ended.

[0072] Specifically, if the number of operations reaches the upper limit of the total number of operations in this water storage and rinsing stage, when it is detected that the water storage stain index reaches the stain index threshold of the rinsing mode with the lowest effect, or the running time of step S3, that is, the running time of the water storage and rinsing stage, exceeds the upper limit of the running time of the water storage and rinsing stage, the current water storage and rinsing stage is ended, and rinsing is ended.

[0073] When there are stains that cannot be rinsed away, rinsing can be ended in time to avoid excessive water consumption.

[0074] In this embodiment, Figure 2 The specific process logic of the control method for rinsing the washing device shown is:

[0075] Step S1, the washing device runs a spray rinsing stage, sprays water on the clothes for rinsing, performs stain detection on the rinsing water, obtains a first stain index, sprays water on the clothes for rinsing again, performs stain detection on the rinsing water, and obtains a second stain index;

[0076] After step S1 is completed, step S2 is executed, and step S2 includes: the washing device determines whether to enter the water storage rinsing stage according to the comparison result of the second stain index and the first stain index;

[0077] If the judgment of step S2 is no, then step S4 is executed, and step S4 includes: assigning the value of the second stain index to the first stain index, spraying water to rinse the clothes, performing stain detection on the rinsing water, re-obtaining the second stain index, returning to step S2, forming a loop of step S2 and step S4, until the judgment of step S2 is yes or the execution number of step S2 reaches the upper limit of the spraying number, and the upper limit of the spraying number is 5 times, then step S3 is executed;

[0078] Step S3 includes: after the washing equipment determines that it has entered the water storage and rinsing stage and has run for a set time, the stain change amount of the rinsing water remains roughly stable, the rinsing water is subjected to stain detection, a water storage stain index is obtained, and it is determined whether the water storage stain index is less than or equal to a stain index threshold value, if not, the water storage and rinsing stage and step S3 are maintained until the water storage and rinsing stage is over, and then the step S1 and step S2 are executed in sequence, and after it is determined in step S2 that the water storage and rinsing stage has entered, it indicates that there are stains that cannot be removed by spraying, such as excessive detergent that is not soluble in water, fading of clothes, etc., and step S3 is continued to be executed, and during the execution of step S3 this time, when the running time exceeds the upper limit of the running time of the water storage and rinsing stage, the water storage and rinsing stage is maintained, and the end of the water storage and rinsing stage is continued to be controlled according to the water storage stain index;

[0079] In the water storage and rinsing stage, if one of the multiple executions of step S3 is judged as yes, or the number of operations of the water storage and rinsing stage reaches the upper limit of the total number of operations, the upper limit of the total number of operations is 5 times, then after executing the water storage and rinsing stage of the set duration, the rinsing is ended. If the stain index obtained at this time is not less than the stain index threshold of the lowest effect rinsing mode, for example, the stain index obtained at this time is not less than the stain index threshold 14 corresponding to low rinsing, then the rinsing rate at this time, that is, the difference between the second stain index and the first stain index, is displayed, and the user is reminded that "too much detergent has been added / the clothes are fading."

[0080] As a specific implementation, the control method for rinsing the washing machine includes a main program and a subprogram. The main program is as follows: Figure 2 The process logic of steps S1 to S4 is shown, and the subroutine is a program for counting the number of executions of step S2 and the number of operations in the water storage rinsing stage to determine when to end the rinsing. When the subroutine determines that the rinsing is ended, the operation of the main program is interrupted and the main program is ended.

[0081] As another specific implementation, the user selects a rinse mode or a rinse rate gear before rinsing begins, and the washing device receives the selection instruction of the rinse mode or the rinse rate gear, and determines the stain index threshold, for example, the stain index threshold corresponding to high rinse is 8, the stain index threshold corresponding to medium rinse is 10, and the stain index threshold corresponding to low rinse is 14. When the washing process is completed and the water is drained, the first set time of dehydration is performed first. After the dehydration is completed, the impeller maintains a low-speed unidirectional rotation, for example, maintaining a unidirectional rotation of 30 revolutions per minute. After dehydration, most of the clothes are attached to the intersection of the inner barrel 4 and the impeller disc. The water is completely sprayed on the clothes through the spray device 1. After the second set time, dehydration is performed for a third set time. During the dehydration, the amount of stains discharged from the washing barrel is detected to determine the first stain index or the second stain index.

[0082] In this embodiment, by comparing the two stain indexes of the two spray rinsing stages, the effect of the spray rinsing stage can be objectively reflected. When the effect of the spray rinsing stage is poor, the spray rinsing stage is ended and the water storage rinsing stage is entered. When the effect of the spray rinsing stage is good, the spray rinsing stage is maintained, thereby reducing the water consumption for rinsing. In the water storage rinsing stage, the water storage stain index is less than or equal to the stain index threshold, and the water storage rinsing stage is ended to ensure a good rinsing effect. By determining whether the difference between the second stain index and the first stain index is less than a set value, it can be accurately reflected that the amount of stains sprayed out by spraying water on the clothes for rinsing for the second time is more or less than the first time. The amount of stains sprayed out more or less is the spray rate. When the spray rate is poor and lower than the set value, the water storage rinsing stage is entered to avoid continued water consumption in the spray rinsing stage and failure to achieve a good rinsing effect.

[0083] Embodiment 2

[0084] like Figures 1 to 5 As shown, this embodiment provides a washing device, which executes the control method for rinsing the washing device as described in the first embodiment.

[0085] In this embodiment, the washing device is provided with a detection device for detecting stains on the rinsing water, and the detection device is an ultraviolet spectrum sensor.

[0086] Furthermore, the washing equipment is a pulsator washing machine or a pulsator washer-dryer that consumes more water during rinsing than other types. The ultraviolet spectrum sensor is arranged in the middle part of the drainage pipe connected to the washing tub of the pulsator washing machine or the pulsator washer-dryer, and is used to detect the amount of stains carried in the dehydration or discharge of the stored water flow in the washing tub.

[0087] Specifically, the ultraviolet spectrum sensor uses ultraviolet absorption spectroscopy to detect the amount of stains. The ultraviolet absorption spectroscopy detects the amount of a substance by the corresponding relationship between the substance and its ultraviolet visible spectrum when the substance absorbs light of a specific wavelength to reach a maximum value. The amount of stains includes a variety of substances that cannot be detected by conventional sensors. Conventional sensors, such as infrared tube sensors, cannot detect organic soluble stains, including oily stains, proteins, detergents, and emulsions, while the ultraviolet spectrum sensor can detect insoluble particulate matter while detecting the above-mentioned organic soluble stains. Since organic soluble stains include the main types of dirt on clothes, during the washing process, by accurately detecting the amount of stains, a more accurate first stain index and second stain index can be obtained.

[0088] Furthermore, the detection device may also be other types of sensors, such as near-infrared spectrum sensors, turbidity sensors and other optical sensors and electrical sensors, preferably ultraviolet spectrum sensors, because they have a larger range of detection objects and higher detection accuracy.

[0089] In this embodiment, Figure 3 As shown, the spray device 1 for spraying clothes of the washing equipment is arranged at the open opening of the inner barrel 4 of the pulsator washing machine, and the water spray pipe of the spray device 1 is aimed at the intersection of the inner barrel 4 and the pulsator disc. The specific structure of the spray device 1 is as follows Figure 4 As shown, it includes a main water inlet pipe 11, a spray pipe 12, a pressurizing part 13, a first valve member 14 and a second valve member 15. The first valve member 14 is used to control the conduction and blocking of the main water inlet pipe 11 and the pressurizing part 13 of the spray device 1, and the second valve member 15 is used to control the conduction and blocking of the pressurizing part 13 and the spray pipe 12. The pressurizing part 13 is a cavity with one end extending out of the housing 2 and sealedly connected to the pressurizing device outside the housing 2. The working process of the spray device 1 is as follows: the washing device controls the first valve member 14 to open, so that water enters the pressurizing part 13 from the main water inlet pipe 11, and then closes the first valve member 14. The washing device controls the second valve member 15 to open, and at the same time, controls the opening of the pressurizing device connected to the pressurizing part 13, so that the water in the pressurizing part 13 flows along the spray pipe 12 from the housing 2. Figure 5 The spray port 121 shown is full of holes and sprays out.

[0090] In this embodiment, the ultraviolet spectrum sensor is used to accurately obtain the first stain index, the second stain index and the water storage stain index.

[0091] The above is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment, it is not used to limit the present invention. Any technician familiar with this patent can make some changes or modify the technical contents suggested above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the solution of the present invention.

Claims

1. A rinsing control method for a washing device, It is characterized in that The following steps are involved: Step S1, the washing device runs a spray rinsing stage, sprays water on the clothes for rinsing, performs stain detection on the rinsing water, obtains a first stain index, sprays water on the clothes for rinsing again, performs stain detection on the rinsing water, and obtains a second stain index; Step S2, the washing device determines whether to enter the water storage rinsing stage according to the comparison result of the second stain index and the first stain index; Step S3: After the washing device determines that it has entered the water storage and rinsing stage, it performs stain detection on the rinsing water to obtain a water storage stain index. If the water storage stain index is less than or equal to the stain index threshold, the water storage and rinsing stage is ended, otherwise the water storage and rinsing stage is maintained.

2. A method for controlling rinsing of a washing machine according to claim 1, It is characterized in that Step S2 is specifically as follows: If the washing device determines that the difference between the second stain index and the first stain index is less than a set value, it enters the water storage rinsing stage, otherwise it continues with the spray rinsing stage.

3. A method for controlling rinsing of a washing machine according to claim 1, It is characterized in that In step S2, if it is determined that the water storage and rinsing stage is not to be entered, step S4 is executed after step S2, and step S4 includes: Assign the value of the second stain index to the first stain index, spray water on the clothes for rinsing, detect stains on the rinsing water, re-acquire the second stain index, and return to step S2.

4. A method for controlling rinsing of a washing machine according to claim 3, It is characterized in that In step S1 / step S4, after the washing device completes the operation of spraying water on the clothes for rinsing, the clothes are dehydrated. During the dehydration process, the rinsing water removed from the clothes is discharged through a drainage channel. The washing device performs stain detection on the rinsing water flowing through the drainage channel to obtain the first stain index and / or the second stain index.

5. A method for controlling rinsing of a washing machine according to claim 3, It is characterized in that The washing equipment sets an upper limit on the number of spray times. If the number of executions of step S2 reaches the upper limit on the number of spray times, the spray rinsing stage ends and the water storage rinsing stage begins.

6. A method for controlling rinsing of a washing machine according to claim 1, It is characterized in that The washing device receives a selection instruction for a rinsing mode, and determines the stain index threshold value described in step S3 according to the selection instruction.

7. A method for controlling rinsing of a washing machine according to claim 1, It is characterized in that If the running time of step S3 exceeds the upper limit of the running time of the water storage and rinsing stage, the water storage and rinsing stage is ended and the process returns to step S1; The washing device sequentially executes step S1 and step S2, and after determining in step S2 that it has entered the water storage rinsing stage, continues to execute step S3; During the execution of step S3 this time, when the running time exceeds the upper limit of the running time of the water storage and rinsing stage, the water storage and rinsing stage is maintained, and the end of the water storage and rinsing stage is continuously controlled according to the water storage stain index.

8. A method for controlling rinsing of a washing machine according to claim 7, It is characterized in that The washing device accumulates the number of operations in the water storage rinsing stage in this rinsing program. If the number of operations reaches the upper limit of the total number of operations in this water storage rinsing stage, rinsing is ended when it is determined that the water storage rinsing stage is ended.

9. A washing device, It is characterized in that The washing machine executes the washing machine rinsing control method according to any one of claims 1 to 8.

10. A washing device according to claim 9, It is characterized in that The washing device is provided with a detection device for detecting stains on the rinsing water, and the detection device is an ultraviolet spectrum sensor.

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