CN108691144B - Flocculation washing machine and control method thereof - Google Patents
Flocculation washing machine and control method thereof Download PDFInfo
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- CN108691144B CN108691144B CN201710228934.4A CN201710228934A CN108691144B CN 108691144 B CN108691144 B CN 108691144B CN 201710228934 A CN201710228934 A CN 201710228934A CN 108691144 B CN108691144 B CN 108691144B
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- 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
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Abstract
The invention relates to a control method of a flocculation washing machine, which is used for detecting the conductivity and/or the temperature of inlet water of a washing barrel and adjusting the adding amount M of a flocculating agent according to a detected value of the conductivity and/or the detected value of the temperature. The invention also relates to a flocculation washing machine adopting the control method, wherein a TDS probe and/or a temperature sensor are arranged in a washing barrel of the flocculation washing machine so as to detect the conductivity and/or the temperature of the inlet water of the washing barrel. The invention adjusts the input quantity of the flocculating agent through the conductivity and/or the temperature of the water fed into the washing barrel, reduces the difference value with the optimal input quantity of the flocculating agent, improves the flocculation effect, and can stop the flocculation procedure in time when the water quality is extremely bad, the flocculation can not realize purification or the water temperature is extremely unsuitable for flocculation, so that the utilization rate of the flocculating agent is extremely low, thereby saving time and energy.
Description
Technical Field
The invention relates to a control method of a flocculation washing machine and also relates to the flocculation washing machine.
Background
With the improvement of living standard, a washing machine has become one of the main household appliances in daily life, the washing process of the washing machine mainly comprises the stages of washing, rinsing and the like, in the washing stage, water is fed into a washing barrel of the washing machine, and detergent is added to wash clothes, in the rinsing stage, more water needs to be fed into the washing barrel of the washing machine or more rinsing times are carried out to rinse clothes for rinsing stains and residual detergent, which inevitably consumes a large amount of water resources, and the appearance of the flocculation washing machine solves the problems, adopts a flocculation method to treat washing water, and uses the treated water as rinsing, thereby realizing water saving.
Research shows that under different water quality conditions, the dosage of the flocculating agent has difference; under different water temperature conditions, the molecular activity is different, so the utilization rate of the flocculating agent is different, and the dosage of the flocculating agent is different.
When the error of the flocculant adding amount is larger, the flocculation effect is poorer, so that the accurate calculation of the flocculant adding amount is very necessary for ensuring the flocculation effect.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention aims to provide a control method of a flocculation washing machine, which is used for determining the better adding amount of a flocculating agent and realizing a good flocculation effect.
In order to realize the purpose, the invention adopts the following technical scheme:
a control method for flocculation washing machine is characterized by that the conductivity and/or temp of water fed into washing drum are detected, and the flocculant dosage M is regulated according to the detected conductivity and/or temp.
Further, when the conductivity of the inlet water of the washing barrel reaches a first conductivity set value, the adding amount M of the flocculating agent is increased; when the conductivity of the inlet water of the washing barrel is smaller than a first conductivity set value, reducing the adding amount M of the flocculating agent;
preferably, the conductivity range is divided into a plurality of conductivity intervals, and the adjustment quantity of the flocculating agent adding quantity M is a fixed value in each conductivity interval.
Further, when the conductivity of the inlet water of the washing barrel reaches a second conductivity set value, the second conductivity set value is larger than the first conductivity set value, and the adding amount M of the flocculating agent is not adjusted.
Further, when the conductivity of the inlet water of the washing barrel reaches a third conductivity set value, the third conductivity set value is larger than the second conductivity set value, and the flocculation process is stopped.
Further, when the temperature of the inlet water of the washing barrel reaches a first temperature set value, the adding amount M of the flocculating agent is increased; when the temperature of the inlet water of the washing barrel is lower than a first temperature set value, reducing the adding amount M of the flocculating agent;
preferably, the temperature range is divided into a plurality of temperature intervals, and the adjustment amount of the flocculant adding amount M is a fixed value in each temperature interval.
Further, when the temperature of the inlet water of the washing barrel reaches a second temperature set value, the second temperature set value is larger than the first temperature set value, and the flocculation process is stopped.
Further, the conductivity and the temperature of the inlet water of the washing barrel are detected, the feeding amount M of the flocculating agent is adjusted according to the detected conductivity value, and the adjusted feeding amount M of the flocculating agent is obtained1Then adjusting M according to the temperature detection value1To obtain the final flocculant adding amount M3。
Further, the conductivity and the temperature of the inlet water of the washing barrel are detected, the flocculating agent adding amount M is adjusted according to the temperature detection value, and the adjusted flocculating agent adding amount M is obtained2Then adjusting M according to the detected value of the conductivity2To obtain the final flocculant adding amount M4。
Further, detecting the water quantity of the washing water to be treated, and determining the adding quantity M of the flocculating agent according to the water quantity detection value;
preferably, the water volume range is divided into a plurality of water volume intervals, and the adding amount M of the flocculating agent is a fixed value in each water volume interval.
The invention also provides a flocculation washing machine adopting the control method, wherein a TDS probe and/or a temperature sensor are arranged in the washing barrel of the flocculation washing machine so as to detect the conductivity and/or the temperature of the inlet water of the washing barrel.
Compared with the prior art, the invention has the following beneficial effects:
the invention adjusts the input quantity of the flocculating agent through the conductivity and/or the temperature of the water fed into the washing barrel, reduces the difference value with the optimal input quantity of the flocculating agent, improves the flocculation effect, and can stop the flocculation procedure in time when the water quality is extremely bad, the flocculation can not realize purification or the water temperature is extremely unsuitable for flocculation, so that the utilization rate of the flocculating agent is extremely low, thereby saving time and energy.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 shows a flow diagram of a flocculation washing machine control method provided by the present invention;
FIG. 2 is a schematic diagram of a TDS positive and negative determination system provided by the present invention;
it should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments are clearly and completely described below, and the following embodiments are used for illustrating the present invention and are not used for limiting the scope of the present invention.
As shown in fig. 1 and 2, an embodiment of the present invention introduces a flocculation washing machine, which includes a washing tub and a flocculation tub, wherein the upper side of the washing tub is provided with a water inlet to implement water inflow into the washing tub, and preferably, the upper side of the flocculation tub is also provided with a water inlet to implement flushing of the flocculation tub; the lower sides of the washing barrel and the flocculation barrel are provided with water outlets to realize sewage discharge; the washing barrel is also communicated with the flocculation barrel through a first pipeline and a second pipeline so that washing water is discharged into the flocculation barrel through the first pipeline for flocculation treatment, flocculate obtained by the treatment floats on the treated water surface, the treated water is discharged into the washing barrel through the second pipeline for rinsing, and the flocculate is discharged from the water discharge port; preferably, the second pipeline is also provided with a filtering device, so that the treated water is filtered and then discharged to a washing barrel; preferably, an impeller driven by a motor is arranged in the flocculation barrel to stir water flow in the flocculation barrel.
Valves are arranged on related pipelines in the working process of the washing machine so as to realize the control of the flow rate and the flow direction of water. And a drainage pump is arranged on the related drainage pipeline so as to realize the rapid flow of water flow.
The washing machine also comprises a water quantity measuring device to measure the water quantity in the washing barrel and the flocculation barrel; the automatic feeding device is further included to realize automatic feeding of the detergent and the flocculating agent, so that the washing machine can run fully automatically under the control of the main control board.
The working process of the washing machine comprises the steps of feeding water into a washing barrel until a set water level is reached, calculating the feeding amount of a detergent according to the water amount in the washing barrel, feeding the detergent and then washing, discharging the washing water into a flocculation barrel after washing is finished until the washing barrel is emptied, then dewatering, and discharging the water thrown out of clothes to the flocculation barrel; after the steps are finished, calculating the adding amount of the flocculating agent according to the water amount in the flocculating barrel, driving an impeller, adding the flocculating agent after the set delay time is reached, stopping stirring after the set stirring time is reached, standing for the set time, floating the obtained flocculate on the treated water surface, discharging the treated water to a washing barrel through a filtering device, and discharging the flocculate from a water outlet; and after the steps are finished, supplementing water to the washing barrel to a set water level, rinsing, flocculating the rinsing water, and repeating the steps until the rinsing is finished for the last time, and directly discharging the rinsing water from the water outlet.
Example one
In this embodiment, a TDS probe is disposed in the washing tub of the flocculation washing machine to detect the conductivity of the washing tub inlet water.
Through the arrangement, the invention can adjust the adding amount M of the flocculating agent according to the conductivity of the inlet water of the washing barrel. Specifically, the water quantity of the washing water to be treated is detected, and the adding quantity M of the flocculating agent is determined according to the water quantity detection value; preferably, the water volume range is divided into a plurality of water volume intervals, and the adding amount M of the flocculating agent is a fixed value in each water volume interval; then adjusting the adding amount M of the flocculating agent.
In the invention, an automatic feeding mode is selected firstly, so that a flocculation program can be selected, and after the flocculation program is selected, the washing machine automatically carries out the steps of water feeding, detergent feeding, washing, flocculant feeding, flocculation, rinsing, water drainage, spin-drying and the like.
Researches show that under different water quality conditions, the use amount of the flocculating agent is different, the invention detects the water quality through the conductivity, and adjusts the adding amount of the flocculating agent according to the detection, so that the difference value between the optimum adding amount of the flocculating agent and the water quality is reduced, and the flocculation effect is improved.
When the conductivity of the inlet water of the washing barrel reaches a first conductivity set value, increasing the adding amount M of the flocculating agent; and when the conductivity of the inlet water of the washing barrel is smaller than the first conductivity set value, reducing the adding amount M of the flocculating agent. Specifically, the first conductivity set value is 500 [ mu ] S/cm2。
Preferably, the conductivity range is divided into a plurality of conductivity intervals, and the adjustment quantity of the flocculating agent adding quantity M is a fixed value in each conductivity interval. E.g., at 400-450. mu.S/cm2In the conductivity interval of (2), the decrease amount of the flocculant adding amount M is 5% of the flocculant adding amount M.
Research shows that when the conductivity of the inlet water of the washing barrel reaches a first conductivity set value, the reaction amount of the flocculating agent is relatively increased, the flocculating effect is influenced by the insufficient flocculating agent, and the adding amount M of the flocculating agent needs to be increased for improving the flocculating effect. When the conductivity of the inlet water of the washing barrel is smaller than the first conductivity set value, the reaction amount of the flocculating agent is relatively reduced, and the rest flocculating agent can cause poor standing layering effect, so that the flocculation effect is influenced, and the adding amount M of the flocculating agent needs to be reduced for improving the flocculation effect.
When the conductivity of the inlet water of the washing barrel reaches a second conductivity set value, the second conductivity set value is larger than the first conductivity set value, and the adding amount M of the flocculating agent is not adjusted. Specifically, the second conductivity setpoint is about 1000 μ S/cm2。
Research shows that when the conductivity of the inlet water of the washing barrel reaches the second conductivity set value, the flocculation effect is not improved or even slightly reduced even if the adding amount M of the flocculating agent is increased.
When the conductivity of the inlet water of the washing barrel reaches a third conductivity set value, the third conductivity set value is larger than the second conductivity set value, and the flocculation process is stopped.
Research shows that when the conductivity of the inlet water of the washing barrel reaches a third conductivity set value, the water quality is extremely poor, the flocculation can not be purified, and at the moment, the flocculation process is stopped, and the water to be treated is directly discharged from a water outlet, so that the time and the energy are saved.
The schematic diagram of the TDS positive and negative determination system is shown in FIG. 2, 1, MCU I/O1 outputs high level, and MCU I/O2 outputs low level, at the same time, the current goes to I/O1 → electrode → resistor → I/O2; 2. the MCU I/O2 outputs high level, and the MCU I/O1 outputs low level, at the same time, the current goes to I/O2 → resistor → electrode → I/O1; 3. and testing the frequency by adopting 100-1000 HZ.
Example two
In this embodiment, a temperature sensor is disposed in the washing tub of the flocculation washing machine to detect the temperature of the water entering the washing tub. The temperature sensor is a common sensor.
Through the arrangement, the invention can adjust the adding amount M of the flocculating agent according to the temperature of the inlet water of the washing barrel. Specifically, the water quantity of the washing water to be treated is detected, and the adding quantity M of the flocculating agent is determined according to the water quantity detection value; preferably, the water volume range is divided into a plurality of water volume intervals, and the adding amount M of the flocculating agent is a fixed value in each water volume interval; then adjusting the adding amount M of the flocculating agent.
Research shows that under different water temperature conditions, the molecular activity is different, so that the utilization rate of the flocculating agent is different, and the dosage of the flocculating agent is different. The invention adjusts the adding amount of the flocculating agent through the water temperature, thereby reducing the difference value between the optimal adding amount of the flocculating agent and improving the flocculating effect.
When the temperature of the inlet water of the washing barrel reaches a first temperature set value, increasing the adding amount M of the flocculating agent; and when the temperature of the inlet water of the washing barrel is lower than the first temperature set value, reducing the adding amount M of the flocculating agent. Specifically, the first temperature set point is 20 ℃.
Preferably, the temperature range is divided into a plurality of temperature intervals, and the adjustment amount of the flocculant adding amount M is a fixed value in each temperature interval. For example, the addition amount of the flocculant M is 5% of the addition amount of the flocculant in the temperature range of 20-25 ℃.
Research shows that when the temperature of the water entering the washing barrel reaches a first temperature set value, the utilization rate of the flocculating agent is low, the flocculating effect is influenced due to the insufficient flocculating agent, and the adding amount M of the flocculating agent needs to be increased for improving the flocculating effect. When the temperature of the inlet water of the washing barrel is lower than the first temperature set value, the utilization rate of the flocculating agent is high, and therefore the adding amount M of the flocculating agent can be reduced.
When the temperature of the inlet water of the washing barrel reaches a second temperature set value, the second temperature set value is larger than the first temperature set value, and the flocculation process is stopped.
Research shows that when the temperature of the inlet water of the washing barrel reaches the second temperature set value, the water temperature is not suitable for flocculation, the utilization rate of the flocculating agent is extremely low, and at the moment, the flocculation procedure is stopped, and the water to be treated is directly discharged from the water outlet, so that the time and the energy are saved.
And the conductivity and the temperature of the inlet water of the washing barrel are detected, the feeding amount M of the flocculating agent is adjusted according to the detected value of the conductivity, and the adjusted feeding amount M of the flocculating agent is obtained1Then adjusting M according to the temperature detection value1To obtain the final flocculant adding amount M3。
Also, the conductivity and the temperature of the water entering the washing barrel are detected, the adding amount M of the flocculating agent is firstly adjusted according to the temperature detection value,obtaining the adjusted flocculating agent adding quantity M2Then adjusting M according to the detected value of the conductivity2To obtain the final flocculant adding amount M4。
EXAMPLE III
In this embodiment, a TDS probe is disposed in a flocculation tub of the flocculation washing machine to detect the conductivity of the washing water to be treated.
Through the arrangement, the invention can adjust the adding amount M of the flocculating agent according to the conductivity of the washing water to be treated. Specifically, the water quantity of the washing water to be treated is detected, and the adding quantity M of the flocculating agent is determined according to the water quantity detection value; preferably, the water volume range is divided into a plurality of water volume intervals, and the adding amount M of the flocculating agent is a fixed value in each water volume interval; then adjusting the adding amount M of the flocculating agent.
When the conductivity of the washing water to be treated reaches a fourth conductivity set value, increasing the adding amount M of the flocculating agent; and when the conductivity of the washing water to be treated is less than the fourth conductivity set value, reducing the adding amount M of the flocculating agent.
Preferably, the conductivity range is divided into a plurality of conductivity intervals, and the adjustment quantity of the flocculating agent adding quantity M is a fixed value in each conductivity interval.
And when the conductivity of the washing water to be treated reaches a fifth conductivity set value, the fifth conductivity set value is larger than the fourth conductivity set value, and the adding amount M of the flocculating agent is not adjusted.
And when the conductivity of the washing water to be treated reaches a sixth conductivity set value, stopping the flocculation process, wherein the sixth conductivity set value is larger than the fifth conductivity set value.
The principle of the method of this example is the same as that of the first example, except that the conductivity of the washing water to be treated is measured.
The conductivity during the treatment of the washing water to be treated can also be detected. In the process, the conductivity can be detected in real time or once at regular intervals, and the adding amount M of the flocculating agent is correspondingly adjusted, so that the continuously changed conductivity is always kept in an optimal range, and a good flocculation effect is realized.
Also, the inside of the washing barrel and the flocculation barrel of the flocculation washing machine are provided with TDS probes to detect the water inflow of the washing barrel and the conductivity of the washing water to be treated. Through the arrangement, the invention can adjust the adding amount M of the flocculating agent according to the water inlet of the washing barrel and the conductivity of the washing water to be treated.
Example four
In this embodiment, a temperature sensor is provided in the flocculation tank of the flocculation washing machine to detect the temperature of the washing water to be treated.
Through the arrangement, the invention can adjust the adding amount M of the flocculating agent according to the temperature of the washing water to be treated. Specifically, the water quantity of the washing water to be treated is detected, and the adding quantity M of the flocculating agent is determined according to the water quantity detection value; preferably, the water volume range is divided into a plurality of water volume intervals, and the adding amount M of the flocculating agent is a fixed value in each water volume interval; then adjusting the adding amount M of the flocculating agent.
When the temperature of the washing water to be treated reaches a third temperature set value, increasing the adding amount M of the flocculating agent; and when the temperature of the washing water to be treated is lower than the third temperature set value, reducing the adding amount M of the flocculating agent.
Preferably, the temperature range is divided into a plurality of temperature intervals, and the adjustment amount of the flocculant adding amount M is a fixed value in each temperature interval.
When the temperature of the washing water to be treated reaches a fourth temperature set value, the fourth temperature set value is greater than the third temperature set value, and the flocculation process is stopped.
The principle of the method described in this example is the same as that of the example, except that the temperature of the washing water to be treated is detected.
And detecting the conductivity and the temperature of the washing water to be treated, and firstly adjusting the feeding amount M of the flocculating agent according to the detected conductivity value to obtain the adjusted feeding amount M of the flocculating agent5Then adjusting M according to the temperature detection value5To obtain the final flocculant adding amount M6。
And the conductivity and the temperature of the washing water to be treated are detected, and the feeding of the flocculating agent is firstly adjusted according to the temperature detection valueQuantity M, obtaining the adjusted flocculant adding quantity M7Then adjusting M according to the detected value of the conductivity7To obtain the final flocculant adding amount M8。
And temperature sensors are arranged in the washing barrel and the flocculation barrel of the flocculation washing machine to detect the temperature of the washing water entering the washing barrel and the temperature of the washing water to be treated. Through the arrangement, the invention can adjust the adding amount M of the flocculating agent according to the temperature of the water inlet of the washing barrel and the washing water to be treated.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (11)
1. The control method of the flocculation washing machine is characterized in that the conductivity and/or the temperature of the inlet water of the washing barrel are detected, and the adding amount M of the flocculating agent is adjusted according to the detected value of the conductivity and the detected value of the temperature;
the method comprises the steps of detecting the conductivity and the temperature of water entering a washing barrel, adjusting the feeding amount of a flocculating agent according to a conductivity detection value or a temperature detection value to obtain the adjusted feeding amount of the flocculating agent, and adjusting according to the temperature detection value or the conductivity detection value to obtain the final feeding amount of the flocculating agent.
2. The control method of the flocculation washing machine as claimed in claim 1, wherein the adding amount M of the flocculant is increased when the conductivity of the inlet water of the washing tub reaches a first conductivity set value; and when the conductivity of the inlet water of the washing barrel is smaller than the first conductivity set value, reducing the adding amount M of the flocculating agent.
3. The method as claimed in claim 2, wherein the conductivity range is divided into several conductivity zones, and the adjustment amount of the flocculant adding amount M is a constant value in each conductivity zone.
4. The method of claim 2, wherein the flocculant is not added when the conductivity of the feed water to the washing tub reaches a second conductivity setpoint, the second conductivity setpoint is greater than the first conductivity setpoint, and the amount of flocculant added M is not adjusted.
5. The method of claim 3, wherein the flocculation process is terminated when the conductivity of the feed water to the wash tub reaches a third conductivity setpoint, the third conductivity setpoint being greater than the second conductivity setpoint.
6. The control method of the flocculation washing machine as claimed in claim 1, wherein when the temperature of the inlet water of the washing tub reaches a first temperature setting value, the adding amount M of the flocculating agent is increased; and when the temperature of the inlet water of the washing barrel is lower than the first temperature set value, reducing the adding amount M of the flocculating agent.
7. The method as claimed in claim 6, wherein the temperature range is divided into several temperature ranges, and the adjustment amount of the flocculant feeding amount M is a constant value in each temperature range.
8. The method as claimed in claim 6, wherein when the temperature of the inlet water reaches the second temperature setting value, the second temperature setting value is greater than the first temperature setting value, and the flocculation process is terminated.
9. The method of controlling a flocculation washing machine according to any of claims 1-8, wherein the amount of water of the washing water to be treated is detected, and the amount M of flocculant to be added is determined based on the detected value of the amount of water.
10. The method of claim 9, wherein the water volume is divided into a plurality of water volume intervals, and the amount of flocculant to be added M is constant in each water volume interval.
11. A flocculation washing machine using the control method of any one of claims 1-10, wherein a TDS probe and/or a temperature sensor is provided in the washing tub of the flocculation washing machine to detect the conductivity and/or temperature of the washing tub inlet water.
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