CN113684646A - Circulating spraying control method of washing equipment - Google Patents
Circulating spraying control method of washing equipment Download PDFInfo
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- CN113684646A CN113684646A CN202010419064.0A CN202010419064A CN113684646A CN 113684646 A CN113684646 A CN 113684646A CN 202010419064 A CN202010419064 A CN 202010419064A CN 113684646 A CN113684646 A CN 113684646A
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- 238000005406 washing Methods 0.000 title claims abstract description 238
- 238000005507 spraying Methods 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 216
- 239000007921 spray Substances 0.000 claims abstract description 62
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 33
- 239000003599 detergent Substances 0.000 claims abstract description 26
- 239000011259 mixed solution Substances 0.000 claims abstract description 14
- 230000000474 nursing effect Effects 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 238000002791 soaking Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- 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
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/36—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of washing
-
- 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
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/34—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of water filling
-
- 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
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/37—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of metering of detergents or additives
-
- 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
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/38—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of rinsing
-
- 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
- D06F33/47—Responding to irregular working conditions, e.g. malfunctioning of pumps
-
- 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
- D06F2103/18—Washing liquid level
-
- 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
- D06F2103/20—Washing liquid condition, e.g. turbidity
-
- 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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/06—Recirculation of washing liquids, e.g. by pumps or diverting valves
Abstract
The invention relates to a circulating spraying control method of washing equipment. When the washing equipment starts to work, the circulating spraying control method enters a pre-washing program and implements the following steps: determining a washing standard water level and a circulating standard water level based on actual objects to be washed in a washing drum of the washing equipment, wherein the circulating standard water level is lower than the washing standard water level; opening a water inlet valve of the washing equipment to inject water and a detergent into the washing drum; when the actual water level in the washing cylinder reaches the circulating standard water level, starting a circulating pump of the washing equipment to circularly spray the mixed solution of the water and the detergent in the washing cylinder for a first spraying time, and closing the circulating pump after the first spraying time; and when the actual water level in the washing barrel reaches the washing standard water level, closing the water inlet valve, and entering a washing program to wash the actual objects to be washed. By implementing the cyclic spraying in the pre-washing procedure, the cyclic spraying control method avoids the frequent starting and stopping of the circulating pump in the washing procedure.
Description
Technical Field
The invention relates to a washing device, in particular to a circulating spraying control method of the washing device.
Background
Existing washing apparatuses, such as drum washing machines or pulsator washing machines, generally incorporate a cyclic spraying technique. The cyclic spraying mode of the existing washing equipment is usually started in the washing and rinsing stages, and is intermittently started and stopped along with the rotation of the washing drum. For example, chinese invention patent CN105839346B discloses a drum washing machine. The drum washing machine is provided with an internal circulation spraying device. Specifically, the drum washing machine controls the opening of the internal circulation spraying device and the rotation of the inner drum to be alternately carried out in the washing stage, so that the utilization rate of washing powder is improved and the cleaning capacity is enhanced. Then, this cyclic spray control method has the following problems. Firstly, the circulating pump is continuously started and stopped in each operation period of the drum washing machine, so that the fault rate of the circulating pump can be greatly increased, and the service life of the washing machine is influenced. Secondly, in the same washing program, the conditions of the clothes to be washed in each time of the cyclic spraying technology are different, but the cyclic spraying mode in the same washing program is kept constant. In other words, the cyclic spray pattern is not dynamically adjusted according to the actual laundry situation of the user each time. Therefore, this fixed pattern spray technique is prone to additional waste. Thirdly, the filter of the washing machine is easily blocked by the lint and thread scraps generated in the washing process along with the continuous circulation of water in the circulating spraying process, thereby affecting the user experience.
Accordingly, there is a need in the art for a new solution to the above problems.
Disclosure of Invention
In order to solve the above-mentioned problems in the prior art, that is, to solve the technical problems that the circulation pump of the washing equipment is frequently started and stopped and the circulation spraying mode cannot be dynamically adjusted according to different situations of actual objects to be washed, the present invention provides a circulation spraying control method of the washing equipment, wherein when the washing equipment starts to work, the circulation spraying control method enters a pre-washing program and implements the following steps: determining a washing standard water level and a circulating standard water level based on actual objects to be washed in a washing drum of the washing equipment, wherein the circulating standard water level is lower than the washing standard water level; opening a water inlet valve of the washing equipment to inject water and detergent into the washing drum; when the actual water level in the washing cylinder reaches the circulation standard water level, starting a circulation pump of the washing equipment to circularly spray the mixed solution of the water and the detergent in the washing cylinder for a first spraying time, and after the first spraying time, closing the circulation pump; and when the actual water level in the washing drum reaches the washing standard water level, closing the water inlet valve, and entering a washing program to wash the actual object to be washed.
In a preferred embodiment of the above method for controlling the circulating spray of the washing apparatus, the step of determining the washing standard water level and the circulating standard water level based on the actual laundry in the washing tub of the washing apparatus includes: weighing the actual laundry and determining the washing standard water level and the circulation standard water level based on the weight of the actual laundry.
In a preferred embodiment of the above method for controlling the cyclic spraying of the washing equipment, the water inlet valve is kept open during the first spraying time, or the water inlet valve is closed and opened again after the first spraying time to continue injecting water into the washing drum.
In a preferred embodiment of the above method for controlling the circulating spraying of the washing apparatus, the first spraying time is determined based on an actual laundry in the washing drum.
In a preferable technical scheme of the method for controlling the circulating spraying of the washing equipment, the circulating standard water level is 30-60% of the washing standard water level.
In a preferred embodiment of the above method for controlling a cyclic spray of a washing machine, after the washing process is finished, the method for controlling a cyclic spray enters a rinsing process and performs the following steps: opening the water inlet valve to inject water into the washing drum; when the actual water level in the washing drum reaches the circulation standard water level, determining the actual turbidity of the water in the washing drum and comparing the actual turbidity with a preset standard turbidity; if the difference between the actual turbidity and the standard turbidity is between a preset lower limit value and a preset upper limit value, implementing a preset standard rinsing program to rinse the actual to-be-washed object after the actual water level in the washing drum reaches a rinsing standard water level; if the difference between the actual turbidity and the standard turbidity is larger than the upper limit value, starting the circulating pump to circularly spray the water in the washing cylinder for a second spraying time, closing the circulating pump after the second spraying time, discharging the water in the washing cylinder, and then implementing the standard rinsing program; and terminating the rinsing process if the difference between the actual turbidity and the standard turbidity is less than or equal to the lower limit value.
In a preferred embodiment of the above method for controlling the circulating spraying of the washing apparatus, the second spraying time is determined based on an actual laundry in the washing drum.
In the preferable technical scheme of the circulating spraying control method of the washing equipment, the range of the upper limit value is 0.15-0.3, and the range of the lower limit value is 0.02-0.05.
In a preferred embodiment of the above-mentioned method for controlling the cyclic spraying of the washing apparatus, after the rinsing process is finished or terminated, the cyclic spraying control method enters a care process and performs the following steps: opening the water inlet valve to inject water and a care agent into the washing drum; and when the actual water level in the washing drum reaches the circulating standard water level, starting the circulating pump to circulate the mixed solution of the spray water and the nursing agent for a third spray time, and after the third spray time, closing the circulating pump to rinse the actual object to be washed.
In a preferred embodiment of the above method for controlling the circulating spraying of the washing apparatus, the third spraying time is determined based on an actual laundry in the washing drum.
It can be understood by those skilled in the art that, in the technical solution of the method for controlling a circulating spray of a washing apparatus of the present invention, a pre-washing process is provided and the circulating spray is implemented in the pre-washing process. In the pre-washing process, the circulation spray control method determines a washing standard water level and a circulation standard water level based on actual laundry in a washing tub of the washing apparatus, and a water inlet valve of the washing apparatus is opened to inject water and detergent into the washing tub. When the actual water level in the washing drum reaches the circulation standard water level, the circulation pump of the washing device is turned on to circularly spray the mixed solution of water and detergent in the washing drum, and the turning on of the circulation pump needs to last for the first spraying time. After the first spraying time, the circulation pump is turned off to stop circulating spraying. The washing cylinder is continuously filled with water until reaching a washing standard water level, the water inlet valve is closed, and the circulating spraying control method enters a washing program to wash the actual objects to be washed in the washing cylinder. By implementing the circulating spraying in the pre-washing program, the circulating spraying control method not only can fully dissolve the detergent in the to-be-washed objects so as to exert the decontamination effect of the detergent to the maximum extent, but also avoids frequently starting and stopping the circulating pump in the washing program in a gapped manner. In addition, both the washing standard level and the circulation standard level are determined based on the actual laundry in the washing tub, for example, based on the weight of the actual laundry. This means that as the laundry to be washed changes each time, the washing standard water level and the circulation standard water level change accordingly, and thus the specific time at which the circulation shower starts each time also changes, which may be referred to as "dynamic change" of the circulation shower time. This "dynamic variation" of the cyclic spray time also contributes to an increase in the efficiency of cyclic spray utilization.
Preferably, in the pre-washing procedure, when the circulation pump is turned on to perform the circulation shower, the water inlet valve may be closed until it is opened again after the circulation shower is finished. After the water level reaches the circulation standard water level, water is temporarily injected into the washing cylinder within the first spraying time, so that the concentration of the detergent in the water can be kept higher, and dirt can be dissolved more easily. Alternatively, when the circulating pump is turned on to perform the circulating spray, the water inlet valve may be kept on, that is, the washing drum is filled with water while the circulating spray is performed, so that the time for completing the water filling can be shortened.
Preferably, in the rinsing process, the actual turbidity of the water is measured and compared with a preset standard turbidity. If the difference between the actual turbidity and the standard turbidity is between the preset lower limit value and the preset upper limit value, the actual dirt degree of the object to be washed is normal, so that only a normal rinsing procedure (namely, a 'standard rinsing procedure') needs to be implemented. If the difference between the actual turbidity and the standard turbidity is larger than the upper limit value, the actual object to be washed is dirty or has a lot of impurities in water, so that a special rinsing is added, namely, the circulating pump is started to circularly spray the water in the washing cylinder for a second spraying time, after the second spraying time, the circulating pump is closed and the water in the washing cylinder is directly discharged, and then the standard rinsing program is implemented. If the difference between the actual turbidity and the standard turbidity is less than or equal to the lower limit value, the actual object to be washed is cleaned, and therefore rinsing is not needed. In this case, the rinsing process is terminated or skipped. This kind of dirty degree according to wash tub normal water during rinsing, adjust the rinsing procedure intelligently, not only can practice thrift water and electricity resource, guarantee in addition that the thing that actually waits to wash can be rinsed totally. In addition, in the washing process before the rinsing process is started, most of the lint has been discharged by the dehydration. This way, re-implementing the circulating spray during the rinsing procedure does not cause clogging of the filter and spray nozzles, thereby improving the user experience.
Preferably, in the nursing program, when the actual water level in the washing drum reaches the circulation standard water level, the circulation pump is started to implement circulation spraying, so that the nursing agent is fully dissolved in the actual laundry, and the nursing agent can play a role in nursing the actual laundry to the maximum extent. In addition, during the nursing process, when the circulating pump is turned on to perform the circulating spray, the water inlet valve can be closed until the circulating spray is turned on again after finishing. After the circulating standard water level is reached, water is stopped being injected into the washing drum within the third spraying time, so that the concentration of the care agent in water can be kept higher, and the actual care effect of the to-be-washed objects is improved. Alternatively, when the circulating pump is turned on to perform the circulating spray, the water inlet valve may be kept on, that is, the washing tub is also filled with water while the circulating spray is performed, so that the time for completion of the filling can be shortened.
Drawings
Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:
FIG. 1 is a flow chart of a cyclic spray control method of a washing apparatus according to the present invention;
fig. 2 is a flowchart of an embodiment of a cyclic spray control method of a washing apparatus of the present invention.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
The invention provides a circulating spray control method of washing equipment, aiming at solving the technical problems that a circulating pump of the existing washing equipment is frequently started and stopped in the washing process and the circulating spray mode can not be intelligently adjusted according to the actual change of objects to be washed in a washing cylinder. When the washing equipment starts to work, the circulating spraying control method enters a pre-washing program and implements the following steps: determining a washing standard water level and a circulating standard water level based on actual objects to be washed in a washing drum of the washing equipment, wherein the circulating standard water level is lower than the washing standard water level; opening a water inlet valve of the washing equipment to inject water and a detergent into the washing drum; when the actual water level in the washing cylinder reaches the circulating standard water level, starting a circulating pump of the washing equipment to circularly spray the mixed solution of the water and the detergent in the washing cylinder for a first spraying time, and closing the circulating pump after the first spraying time; and when the actual water level in the washing barrel reaches the washing standard water level, closing the water inlet valve, and entering a washing program to wash the actual objects to be washed.
Reference herein to "washing apparatus" includes, but is not limited to, a drum washing machine, a pulsator washing machine, or other industrial washing machines. Reference herein to "laundry" includes, but is not limited to, clothing, articles of footwear, or other suitable washable articles.
FIG. 1 is a flow chart of a cyclic spray control method of a washing apparatus according to the present invention. As shown in fig. 1, the circulation shower control method of the washing apparatus of the present invention includes steps S1, S2, S3, and S4. It should be noted that, unless stated to the contrary, there is no particular order of execution between these steps. After the washing apparatus receives the start instruction to start operating, the circulation spray control method enters a pre-washing program, and determines a washing standard water level and a circulation standard water level based on actual laundry in a washing tub of the washing apparatus (step S1). Here, the circulation standard water level means a water level at which the continuous operation of the circulation shower is guaranteed, and the washing standard water level means a water level at which the washing of the actual laundry in the washing tub can be started. The actual laundry in the washing drum of the washing apparatus is likely to be different for each wash, e.g. the weight of the actual laundry, material properties, degree of soiling, etc. may vary. Accordingly, the washing standard water level and the circulation standard water level are intelligently determined based on one or more characteristic cycles of actual laundry, and the effects of washing and circulating shower can be advantageously improved. The circulating standard water level is lower than the washing standard water level, so that the higher solubility of the washing agent in the water during circulating spraying can be ensured, and the circulating spraying effect is further enhanced. In one or more embodiments, the circulation standard water level is 30% to 60% of the washing standard water level. Simultaneously with or after the determination of the washing standard level and the circulation standard level, the circulation spray control method proceeds to step S2 where a water inlet valve of the washing apparatus is opened to inject water and detergent into the washing tub. For example, the water may flow through a detergent box of the washing apparatus to be mixed with detergent in the detergent box before flowing into the washing tub and soaking the actual laundry in the washing tub.
With continued reference to FIG. 1, as the water level within the wash tub rises, the actual water level first reaches the circulation standard level. When the actual water level in the washing cylinder reaches the circulation standard water level, the circulation spraying control method starts a circulation pump of the washing equipment to circularly spray the mixed solution of the water and the detergent in the washing cylinder for a first spraying time, and closes the circulation pump after the first spraying time elapses (step S3). By the circulating spraying, the detergent in the water can be uniformly distributed in the washing cylinder, and the pre-spraying soaking effect of the objects to be washed is also greatly improved. In one or more embodiments, the first spray time may be dynamically determined based on the actual laundry within the wash drum. For example, the first spray time may be determined based on the weight of the actual laundry. Therefore, when the actual weight of the laundry is changed, the first spraying time is also changed accordingly. After the circulation pump is turned off, the circulation spray control method proceeds to step S4, and when the actual water level in the washing tub reaches the washing standard water level, the water inlet valve is closed, and a washing program is performed to wash the actual wash-target. In one or more embodiments, when the circulation pump is turned on, the water inlet valve of the washing apparatus is closed until the first spray time is over and then opened to continue filling the wash drum with water, so that the wash drum stops water inlet during the circulation spray. This ensures that the detergent in the water maintains a relatively high solubility during the circulating spray. Alternatively, in other embodiments, the water inlet valve remains open during the circulating spray, so that the actual water level within the wash drum can reach the wash standard level more quickly, thus saving wash time.
Fig. 2 is a flowchart of an embodiment of a cyclic spray control method of a washing apparatus of the present invention. In one or more embodiments, the washing apparatus can beA drum washing machine or a pulsator washing machine (not shown). After the washing equipment is started, the circulating spraying control method of the washing equipment enters a pre-washing program to implement pre-spraying soaking on actual objects to be washed. As shown in FIG. 2, in one or more embodiments, after entering the pre-wash program, the actual laundry in the washing drum (e.g., the inner drum of a drum washing machine) of the washing apparatus is weighed to determine the weight of the actual laundry, and a wash standard water level H is determined based on the weight of the actual laundry1And circulating standard water level H2Wherein H is2<H1(step S11). E.g. H2＝0.3～0.6H1. Simultaneously with or after the actual laundry is weighed, a water inlet valve of the washing apparatus is opened to inject water and detergent into the washing tub (step S12). The detergent is mixed with water to form a mixed solution of the detergent and the water, and the actual laundry is soaked into the mixed solution.
Referring to FIG. 2, in step S13, when the actual water level h in the washing tub1Reach the circulating standard water level H2When the water-detergent mixed solution is sprayed, a circulating pump of the washing equipment is started so as to circularly spray the water-detergent mixed solution in the washing cylinder for a first spraying time T1After the first spraying time T1After that, the circulation pump is turned off. In one or more embodiments, the first spray time T1And also based on the weight of the actual laundry, for example, 2 to 3 minutes. In one or more embodiments, during the spray cycle, the water inlet valve of the washing apparatus is closed and a first spray time T elapses1Then is opened again to continue to fill water into the washing drum. When the actual water level h in the washing drum1Reach the washing standard water level H1At this time, the water inlet valve is closed, and a washing process is performed to wash and dehydrate the actual laundry (step S14). By means of the cyclic spraying in the pre-washing procedure, it is no longer necessary to carry out cyclic spraying in the washing procedure. Therefore, lint and lint generated during the washing process are not clogged in the filter and the spray nozzle due to continuous circulation with the washing water. The vast majority of these thread-and-lint fractions are discharged out of the washing apparatus by means of the dewatering carried out during the washing process and therefore also not directed towards the rearThe continuous possible cyclic spraying has an effect.
After the washing process is finished, the cyclic spraying control method proceeds to step S15, and enters a rinsing process, and the water inlet valve is opened again to fill water into the washing tub. When the actual water level h in the washing drum2Reach the circulating standard water level H2Determining the actual turbidity G of the water in the washing tub1And G is1With a predetermined standard turbidity G0A comparison is made. Actual turbidity G1May be measured by a turbidity sensor or other suitable means provided in the washing apparatus. When the water in the washing drum is over the turbidity sensor, the turbidity sensor can detect the actual turbidity G of the water1This usually occurs at the actual water level h in the washing tub2Reach the circulating standard water level H0Before.
In the rinsing program, based on the actual turbidity G1With standard turbidity G0Difference in turbidity G between1-G0The specific rinsing program is dynamically adjusted. The turbidity difference has a preset lower limit value a and a preset upper limit value b. In one or more embodiments, the lower limit a is in a range of 0.02 to 0.05, and the upper limit is in a range of 0.15 to 0.3. As shown in FIG. 2, in step S16, when a is<G1-G0When the b is less than or equal to b, the actual dirt degree of the object to be washed is normal, so the preset standard rinsing program is used for running. The preset standard rinsing program may be, for example, 2, 3, or more times of rinsing the actual laundry with clean water within a preset rinsing time in order to remove the detergent from the actual laundry. To carry out the standard rinsing program, the washing drum is continuously filled with water up to the actual water level h in the washing drum2Reach the preset rinsing standard water level H3Then, the actual laundry is rinsed and dehydrated after rinsing. Rinsing standard water level H3Usually above the washing standard level H1. In one or more embodiments, the rinse water level H is a standard level3May be a washing standard water level H11.1 to 1.3 times of the total weight of the composition. After the rinsing program is finished, the circulating spraying control method can enter the operation of directly dewatering and spin-drying the actual articles to be washed so as to complete the whole washingOr enter other procedures that follow, such as a care procedure.
If G is1-G0>b, this indicates that the actual laundry is dirty or has impurities in the water, and thus one or more additional rinses are required in addition to the standard rinsing procedure described above. With continued reference to FIG. 2, in one or more embodiments, in step S17, if G is1-G0>b, starting a circulating pump to circularly spray the water in the washing cylinder for a second spraying time T2After a second spraying time T2Then, the circulating pump is closed to discharge the water in the washing barrel, and then the water inlet valve is opened to fill water into the washing barrel so as to ensure that the water is at the actual water level h2Reach the rinsing standard water level H3A standard rinsing procedure was performed. In one or more embodiments, the second spray time T2And also on the basis of the actual laundry weight in the washing drum, for example 2-3 minutes. Optionally, a second spray time T2And a first spraying time T1May or may not be the same. Similarly, after the rinsing process is finished, the cyclic spraying control method may proceed to the operation of directly spin-drying the actual laundry to complete the entire washing process, or to other processes, such as a nursing process, which follow.
If G is1-G0A is less than or equal to a, which indicates that the actual object to be washed is washed clean and does not need to be rinsed. Accordingly, the rinsing process is terminated (step S18). In one or more embodiments, after the rinsing process is terminated, the cyclic spray control method may proceed to spin-dry the actual laundry directly to complete the entire washing process, or to other processes, such as a nursing process, that follow. The method for intelligently adjusting the rinsing program according to the dirt degree of the water in the washing drum during rinsing can save water and electricity resources and ensure that the actual objects to be washed are rinsed cleanly.
With continued reference to FIG. 2, in step S19, the nursing program is entered, the water inlet valve is opened to inject water and nursing agent into the washing drum, and the water and nursing agent are mixed together to form a mixed solution of nursing agent and water. As used herein, the term "treating agent" includesBut are not limited to, softeners. In step S20, when the actual water level h in the washing drum3Reach the circulating standard water level H2When the washing machine is started, the circulating pump is started to circularly spray the mixed solution of the water and the care agent in the washing cylinder, and the third spraying time T is kept3After a third spraying time T3Then, the circulating pump is closed, and then actual articles to be washed in the washing drum are rinsed and subsequently dehydrated, so that the whole washing process is completed. The circulating spraying is carried out during the nursing program to soak the actual object to be washed, so that the nursing agent can be fully dissolved into the actual object to be washed, and the nursing effect is exerted to the maximum extent. In one or more embodiments, the third spray time T3Dynamically (or "intelligently") determined based on the weight of the actual laundry in the washing drum, e.g. 3-5 minutes. The dynamic state refers to the third spraying time T along with the change of the weight of the actual object to be washed3Corresponding changes may be made. During the cyclic spraying of the care program, the inlet valve can be kept open up to the actual water level h in the washing drum3Reach the rinsing standard water level H3So as to shorten the water injection time. It is to be noted that, in this case, the rinsing standard water level H is reached3May be earlier than the third spraying time T3(i.e., the circulation spraying is not finished when the rinsing standard water level is reached), or may be later than the third spraying time T3(i.e., reaching the rinse water standard level after the end of the cycle spray). Alternatively, during the cyclic spraying of the care program, the water inlet valve is temporarily closed until a third spraying time T3And finally, the water valve is opened again to continue injecting water into the washing drum.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. A cyclic spraying control method of a washing device is characterized in that when the washing device starts to work, the cyclic spraying control method enters a pre-washing program and implements the following steps:
determining a washing standard water level and a circulating standard water level based on actual objects to be washed in a washing drum of the washing equipment, wherein the circulating standard water level is lower than the washing standard water level;
opening a water inlet valve of the washing equipment to inject water and detergent into the washing drum;
when the actual water level in the washing cylinder reaches the circulation standard water level, starting a circulation pump of the washing equipment to circularly spray the mixed solution of the water and the detergent in the washing cylinder for a first spraying time, and after the first spraying time, closing the circulation pump; and is
And when the actual water level in the washing barrel reaches the washing standard water level, closing the water inlet valve, and entering a washing program to wash the actual object to be washed.
2. The method as claimed in claim 1, wherein the step of determining the washing standard water level and the circulation standard water level based on the actual laundry in the washing tub of the washing machine comprises: weighing the actual laundry and determining the washing standard water level and the circulation standard water level based on the weight of the actual laundry.
3. The method as claimed in claim 1 or 2, wherein the water inlet valve is kept open for the first spraying time, or the water inlet valve is closed and opened again after the first spraying time to continue the water injection into the washing tub.
4. The method according to claim 1 or 2, wherein the first spray time is determined based on an actual laundry in the washing tub.
5. The method as claimed in claim 1 or 2, wherein the circulation standard water level is 30-60% of the washing standard water level.
6. The cyclic spraying control method of a washing apparatus according to claim 1 or 2, wherein after the washing process is finished, the cyclic spraying control method enters a rinsing process and performs the steps of:
opening the water inlet valve to inject water into the washing drum;
when the actual water level in the washing drum reaches the circulation standard water level, determining the actual turbidity of the water in the washing drum and comparing the actual turbidity with a preset standard turbidity;
if the difference between the actual turbidity and the standard turbidity is between a preset lower limit value and a preset upper limit value, implementing a preset standard rinsing program to rinse the actual to-be-washed object after the actual water level in the washing drum reaches a rinsing standard water level;
if the difference between the actual turbidity and the standard turbidity is larger than the upper limit value, starting the circulating pump to circularly spray the water in the washing cylinder for a second spraying time, closing the circulating pump after the second spraying time, discharging the water in the washing cylinder, and then implementing the standard rinsing program; and
and if the difference between the actual turbidity and the standard turbidity is less than or equal to the lower limit value, terminating the rinsing program.
7. The method as claimed in claim 6, wherein the second spraying time is determined based on an actual laundry in the washing tub.
8. The method as claimed in claim 6, wherein the upper limit value is in the range of 0.15 to 0.3, and the lower limit value is in the range of 0.02 to 0.05.
9. The cyclic spraying control method of a washing apparatus as claimed in claim 6, wherein after the rinsing process is finished or terminated, the cyclic spraying control method enters a care process and performs the steps of:
opening the water inlet valve to inject water and a care agent into the washing drum;
and when the actual water level in the washing drum reaches the circulating standard water level, starting the circulating pump to circulate the mixed solution of the spray water and the nursing agent for a third spray time, and after the third spray time, closing the circulating pump to rinse the actual object to be washed.
10. The method of claim 9, wherein the third spraying time is determined based on an actual laundry in the washing tub.
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| CN202010419064.0A CN113684646A (en) | 2020-05-18 | 2020-05-18 | Circulating spraying control method of washing equipment |
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