CN1682641A - Method for checking turbidity of dish washing machine - Google Patents
Method for checking turbidity of dish washing machine Download PDFInfo
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- CN1682641A CN1682641A CN 200410018989 CN200410018989A CN1682641A CN 1682641 A CN1682641 A CN 1682641A CN 200410018989 CN200410018989 CN 200410018989 CN 200410018989 A CN200410018989 A CN 200410018989A CN 1682641 A CN1682641 A CN 1682641A
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- impure
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Abstract
The present invention relates to method of checking turbidity of dish washing machine. For raised precision, the present invention detects the turbidity of washing water through four steps, including the first step of supplying water to the user required level; the second step of detecting the initial turbidity of washing water and performing initial washing; the third step of detecting the turbidity of washing water during initial washing for several times and calculating the average turbidity; and the fourth step of controlling the washing process based on the detected initial turbidity and average turbidity. During detection, the error is minimized to raise the practicability of the product.
Description
Technical field
The present invention relates to a kind of dish-washing machine; In more detail, relate to a kind of pure and impure degree detection method (Method for Sensing Turbidity of The DishWasher) that can detect the dish-washing machine of pure and impure degree exactly.
Background technology
Generally, dish-washing machine is to be used for cleaning the tableware that is stained with swill.Existing dish-washing machine is put the tableware of needs washings on the shelf in the sink into as shown in Figure 1, then puts into washings.At this moment, utilize heater that washings are heated.And under the driving of washing motor 3a, the washing suction machine aspirates washings, and last washings are sprayed onto on the tableware by spraying the mouth of pipe.Like this, leftovers residual on the tableware are separated and wash.Put into cold water then, and the cold water of putting into is sprayed onto on the tableware.So just carried out matting.When finishing matting, the cold water that enters is heated.Warm water after then will heating is sprayed onto on the tableware and heats.With latent energy tableware is carried out baking operation at last.By above-mentioned series of processes, tableware is washed.
As shown in Figure 2, dish-washing machine is made up of operated key 1, control part 6, load drive division 2, water level detecting portion 4, pure and impure degree test section 5, display part 9.Wherein, the user is by the needed function button of operated key 1 input.The signal that control part 6 is sent according to pressing aforesaid operations key 1 is controlled the overall system action of dish-washing machine.Load drive division 2 is made up of washing motor 3a, water intaking valve 3b, draining valve 3c.This washing motor 3a, water intaking valve 3b, draining valve 3c are that the signal according to control part 6 drives.Water level detecting portion 4 is used to detect the water level in the dress tank 8.Pure and impure degree test section 5 is used for detecting the pure and impure degree of washings.Display part 9 is used to show the various states of dish-washing machine.
In the use of prior art dish-washing machine, the user considers to press appropriate functional operated key 1 after the tableware kind.Then according to the signal that is sent, 6 pairs of loads of control part drive division 2 is controlled.
At first, under the control action of above-mentioned control part 6,2 couples of water intaking valve 3b of above-mentioned load drive division control.At this moment, open solenoid shape water intaking valve 3b, and the washings of 7 li on water bolt flow into 8 li of the dress tanks of dish washer interior.The ever-increasing while of washings in the dress tank 8, the washings water level in water level detecting portion 4 pairs of dresses tank 8 detects.
After the washings of dress tank 8 inside flow into designated water level, under the control of above-mentioned control part 6, stop to supply water.Then, according to the control signal of above-mentioned control part 6, heater heats the washings of above-mentioned dress tank 8 inside.Under the effect of washing motor 3a, the washing aspirator is delivered to the injection mouth of pipe with washings then.At this moment, be ejected into washings on the tableware by the above-mentioned injection mouth of pipe and carry out washing procedure.
In washing process, above-mentioned control part 6 is by pure and impure degree detector 5, and the muddy degree of washings is detected.
As shown in Figure 3, above-mentioned pure and impure degree detector 5 utilizes the connector with camera function.This connector is installed in the circulation pipe that washings circulate.The light that sends in above-mentioned connector illuminating part 5a behind the washings in the circulation pipe, is delivered on the light absorbing part 5b.The signal 6 that to receive light at last is input in the control part 60.
Above-mentioned control part 6 is according to the program of having set, with following mathematical way 1 measuring and calculating present muddy detection signal (New) and muddy detection signal last time (old) with (mathematical expression one), and calculate the mean value of this numerical value.Carry out said process repeatedly, calculate overall average (Total) at last.Mathematical expression that Here it is 2.
[mathematical expression 1]
Old0+New0 → mean value 0
Old1 (New0)+New1 → mean value 1
Old2 (New1)+New2 → mean value 2
Oldn (Newn-1)+Newn → mean value n
[mathematical expression 2]
Overall average Total=(mean value 0+ mean value 1+ ... + mean value n)/N
In addition, above-mentioned control part 6 is according to the rank of overall average, and wash time is adjusted, whether whether washings heated, provide details such as washings to make decision again after the draining.Therefore, can carry out much cleaner washing procedure.
Then, finish washing procedure after, clean or baking operation.After finishing all process steps, the washings in the dress tank are discharged to the outside by above-mentioned draining valve 3c.
Dish-washing machine under the prior art is a process of calculating mean value repeatedly.Promptly calculate muddy detection signal of present muddy detection signal (New) and last time (Old) and, and calculate this and mean value.But in the measuring and calculating process, incorrect muddy detection signal is transfused to, and is not only on each mean value mistake to occur, and also can produces mistake in overall average.
Therefore, there is the problem that to carry out effective washing procedure because of the overall average of mistake.Thereby the practicality of product will descend.
Summary of the invention
In order to solve the problems of the technologies described above, the purpose of this invention is to provide a kind of pure and impure degree detection method of dish-washing machine that can correctly detect the muddy degree of washings.
The technical solution adopted for the present invention to solve the technical problems is: in order to detect the muddy degree of washings more accurately, detect by the muddy situation of following four-stage to washings.The first step, the demand according to the user is fed to washings on the designated water level.Second step, washings are put into designated water level after, detect the initial pure and impure degree of washings, and carry out preliminary washing procedure.In the 3rd step, when carrying out preliminary washing procedure, the pure and impure degree that repeatedly carries out washings detects.Then calculate the mean value of the pure and impure degree of repeated detection.In the 4th step, poor according to above-mentioned detected initial pure and impure degree and mean value controlled washing procedure.
When carrying out above-mentioned preliminary washing procedure, its mean value of the pure and impure degree of repeated detection washings back measuring and calculating.Above-mentioned this stage can be further divided into n time and detect the stage of the pure and impure degree of washings and the stage of measuring and calculating mean value.Pure and impure degree detection-phase is after carrying out the preliminary washing procedure of certain hour, the pure and impure degree of washings is carried out N time detect.In the result who detects, more than remove the clear turbidity value of any number L down, calculate their mean value with the clear turbidity value of remaining N-2L.
As described above, in the pure and impure degree detection method of dish-washing machine provided by the invention, at first remove error bigger on/following clear turbidity value.Then calculate their mean value with remaining clear turbidity value.The clear turbidity value of calculating behind their mean value when finishing washing procedure compares mutually.Error in can reducing like this to detect, thus the degree of belief of user can be improved to product.
Description of drawings
Fig. 1 is the generalized section of general dish washer;
Fig. 2 is the calcspar of the dishwasher structure of prior art;
Fig. 3 is the circuit diagram of the pure and impure degree test section of prior art;
Fig. 4 is the flow chart of the pure and impure degree detection method of expression dish-washing machine of the present invention.
The critical piece description of reference numerals
4: water level detecting portion 5: pure and impure degree test section
6: control part
The specific embodiment
With reference to the accompanying drawings, the pure and impure degree detection method to dish-washing machine provided by the invention describes.
In the following description, in the main structure of dish-washing machine of the present invention with existing dish-washing machine, so detailed description of elliptical structure.But identical part is used identical numbering.
As shown in Figure 4, in the use of dish-washing machine provided by the invention, after the user considers tableware quantity, tableware kind, the operation order that input and above-mentioned condition adapt.
Behind user's input command, water intaking valve 3b is according to the control of control part 6, washings are fed to designated water level till.(S10，S20)
At this moment, the designated water level of washings is according to water stream channel, the order of the internal capacity of nozzle and user input and determining.After the user considered the size of the quantity of tableware and tableware, input adapted to the order of this condition.
The washings of above-mentioned inflow enter dress tank 8, then detect by level switch 4, after the washings water level reaches designated water level, stop to supply water.
Then, finish washing after, carry out preliminary washing procedure when detecting the clear turbidity value A (S30) of washings of above-mentioned inflow by pure and impure degree detector 5.
In addition, carry out the preliminary washing procedure of certain hour after, obtain N value of the pure and impure degree of washings from pure and impure degree test section 5, and calculate its mean value.(S40)
At this moment, in the clear turbidity value of a N that obtains, remove, then calculate their mean value B with the clear turbidity value of remaining N-2L greater than the value of L with less than the value of L '.
Removing high and low value in the detected clear turbidity value here, is in order to reduce the error in the measuring and calculating.
Then, calculate the poor of above-mentioned detected clear turbidity value A and mean value B.Judge that then whether the value calculate out is (S50) below the allowed band in setting value.
In above-mentioned judgement S50 result, if the value that calculates below allowed band, according to the operation command signal of user's input, is controlled and cleaned and baking operation (S60) dish-washing machine.
In above-mentioned judgement S50 result, if the value that calculates is more than allowed band, do not rely on the operation command signal of user's input, but increase wash time or when pure and impure degree detects, washings are heated or discharge present washings, new washings are provided and carry out washing procedure.
By above-mentioned explanation,, can under the situation that does not break away from technological thought of the present invention, can carry out the variation change as the professional.On the content that thereby technical scope of the present invention is not limited in the foregoing description to be write down, should determine according to right request scope.
Claims (3)
1, a kind of pure and impure degree inspection method of dish-washing machine is characterized in that, comprising:
The first step according to user's demand, is fed to washings on the designated water level;
Second step, washings are put into designated water level after, detect the initial pure and impure degree of washings, and carry out preliminary washing procedure;
In the 3rd step, when carrying out preliminary washing procedure, the pure and impure degree that repeatedly carries out washings detects, and then calculates the mean value of the pure and impure degree that repeated detection goes out;
In the 4th step, poor according to above-mentioned detected initial pure and impure degree and mean value controlled washing procedure.
2, the pure and impure degree inspection method of dish-washing machine according to claim 1 is characterized in that:
The pure and impure degree that repeatedly carries out washings detects, and then calculates in stage of mean value of the pure and impure degree that repeated detection goes out, and can be further divided into stage of n the pure and impure degree of detection washings, the stage of calculating mean value to the above-mentioned stage; Pure and impure degree detection-phase is after carrying out the preliminary washing procedure of certain hour, pure and impure degree to washings carries out N detection, in the result who detects, more than remove the clear turbidity value of any number L down, calculate their mean value with the clear turbidity value of remaining N-2L.
3, the pure and impure degree inspection method of dish-washing machine according to claim 1 is characterized in that:
Poor according to above-mentioned detected initial pure and impure degree and mean value, in the stage that washing procedure is controlled, if the value that ratio comes out is more than allowed band, do not rely on the operation command signal of user's input, but increase wash time or when pure and impure degree detects, washings are heated or discharge present washings, new washings are provided and carry out washing procedure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410018989 CN1682641A (en) | 2004-04-12 | 2004-04-12 | Method for checking turbidity of dish washing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200410018989 CN1682641A (en) | 2004-04-12 | 2004-04-12 | Method for checking turbidity of dish washing machine |
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| CN1682641A true CN1682641A (en) | 2005-10-19 |
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| CN 200410018989 Pending CN1682641A (en) | 2004-04-12 | 2004-04-12 | Method for checking turbidity of dish washing machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101586296B (en) * | 2008-05-19 | 2013-02-13 | 三星电子株式会社 | A household electrical appliance and control method |
| CN106691343A (en) * | 2015-07-21 | 2017-05-24 | 青岛海尔洗碗机有限公司 | Method for improving cleaning rate and washing equipment |
| CN106821257A (en) * | 2015-12-07 | 2017-06-13 | 捷腾光电股份有限公司 | Household appliances wash the method for sensing of water quality |
| CN107569195A (en) * | 2016-07-05 | 2018-01-12 | 青岛海尔洗碗机有限公司 | The method and apparatus that a kind of dish-washing machine carries high-detergency |
-
2004
- 2004-04-12 CN CN 200410018989 patent/CN1682641A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101586296B (en) * | 2008-05-19 | 2013-02-13 | 三星电子株式会社 | A household electrical appliance and control method |
| CN106691343A (en) * | 2015-07-21 | 2017-05-24 | 青岛海尔洗碗机有限公司 | Method for improving cleaning rate and washing equipment |
| CN106821257A (en) * | 2015-12-07 | 2017-06-13 | 捷腾光电股份有限公司 | Household appliances wash the method for sensing of water quality |
| CN106821257B (en) * | 2015-12-07 | 2019-02-15 | 捷腾光电股份有限公司 | The method for sensing of household appliances washing water quality |
| CN107569195A (en) * | 2016-07-05 | 2018-01-12 | 青岛海尔洗碗机有限公司 | The method and apparatus that a kind of dish-washing machine carries high-detergency |
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Open date: 20051019 |