CN100531661C - Program control method for dish washing machine - Google Patents
Program control method for dish washing machine Download PDFInfo
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- CN100531661C CN100531661C CNB2004100189448A CN200410018944A CN100531661C CN 100531661 C CN100531661 C CN 100531661C CN B2004100189448 A CNB2004100189448 A CN B2004100189448A CN 200410018944 A CN200410018944 A CN 200410018944A CN 100531661 C CN100531661 C CN 100531661C
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Abstract
The progress control method for dish washing machine belongs to the field of tableware washing technology, and relates to progress control method for dish washing machine with turbidity detecting sensor and turbidity detection error compensating function. The progress control method includes providing washing water to the set level according to the operator's command; detecting the first turbidity and calculating the compensation coefficient with the detected first turbidity and the set second turbidity; pre-washing and detecting the third turbidity; calculating the progress setting data with the calculated compensation coefficient, the second turbidity and the detected third turbidity; and controlling the washing progress based on the calculated progress setting data. The present invention makes it possible to detect the contamination degree of the washing water to raise washing performance and system reliability.
Description
Technical field
The invention relates to dish-washing machine, particularly about control the course control method of the dish-washing machine of washing course according to turbidity.
Background technology
Generally, dish-washing machine is with the machine that washs automatically after the meal attached to the food residual on the tableware.
According to the dish-washing machine of conventional art as shown in Figures 1 and 2, include the button importation (1) that the input user specifies process; Control the control section (6) of whole system works of dish-washing machine according to the button signal of above-mentioned button importation (1); According to the washing motor (3a) that the control signal of above-mentioned control section (6) drives, feed-water valve (3b), the load drive part (2) of water discharging valve various loads (3) such as (3c); The water level perception part (4) of the interior water level of perception water leg (8); The turbidity perception part (5) of perception circulation cleaning water turbidity; The display part (9) that shows the various states of dish-washing machine constitutes.
Dish-washing machine with conventional art of above-mentioned formation is that control section (6) is understood the user by the washing course order of button importation (1) input according to tableware quantity and tableware kind, controls load drive part (2) by corresponding algorithm.
At first, above-mentioned load drive part (2) is to control feed-water valve (3b) according to the control signal of control section (6), at this moment, the feed-water valve of spiral (3b) is opened, the rubber tube of the water leg (8) of the washings that make tap (7) by being connected dish washer interior supplies to water leg (8), with the variation that supplies to the washing water yield in the water leg (8), the washings water level in above-mentioned water level perception part (4) perception water leg (8).
When the washings in the water leg (8) reach designated water level, above-mentioned control section (6) control stopping feedwater, and drive heater according to the control signal of above-mentioned control section (6), heat the washings rear drive washing motor (3a) in the above-mentioned water leg (8), by washing pump above-mentioned washings are supplied to nozzle (omission graphical sysmbol) again.At this moment, by said nozzle washings are ejected into and carry out washing course on the tableware.
Here, above-mentioned control section (6) washs water turbidity by (5) perception of turbidity perception part in washing course, that is, and and the pollution level of washings.
At this moment, above-mentioned turbidity perception part (5) is utilized photoelectrical coupler, and is installed on the circulation pipe of the washings that circulating as shown in Figure 3.The light that sends from the luminous component (5a) of above-mentioned photoelectrical coupler sees through the washings that circulate in the circulation pipe and is communicated to light accepting part branch (5b), is subjected to optical signal to be input to control section (6).
Above-mentioned control section (6) is by the signal strength signal intensity of light accepting part branch (5b) input, that is, magnitude of voltage comes the perception turbidity, and input voltage value is low more just to show that the dustiness of washings is high more.Above-mentioned control section (6) is judged turbidity according to the voltage strength that is input to, and controls washing course according to the turbidity of above-mentioned perception.
Below be according to the detailed description of controlling the method for washing course in the dish-washing machine of conventional art with turbidity:
Method according to the control process of turbidity was in the past, as shown in Figure 4, at first washings was supplied to designated water level (S0～S1) during user's input process initiation command.
Carry out the pre-wash of certain hour when being given to above-mentioned designated water level, (or carrying out in the process of pre-wash) detects the washing water turbidity that circulates in the circulation pipe (S2～S3) by turbidity perception part (5) in the pre-wash that is over.
At this moment, carry out the process condition of the best pre-set by experiment corresponding different blended turbidity of washing course for making dish-washing machine, and after carry out formization as following table 1, constitute visual table and be stored in memory (omit and illustrate) lining.
* show 1*
| Turbidity (V) | The process condition |
| 4.5 more than | A process- |
| 3.2<V<4.5 | B process-wash time 15 minutes heats 2 times |
| 3.2 below | C process-wash time 20 minutes heats 3 times |
Then, detect above-mentioned washing water turbidity after, from above-mentioned memory, access process the condition corresponding and turbidity that detected, and according to process condition control washing course.
For example, as shown in table 1, when the above-mentioned turbidity that has detected is 4.5V when above, control washing course (S4～S5) by the A process of having set, (S6～S7) controls washing course (S8～S9) by the C process when 3.2V is following to press the B process in the time of between 3.2V and 4.5V.
Here, because the turbidity that detects after the pre-wash that is over is low more, the high more and lengthening wash time or repeatedly heat number of times repeatedly and control washing course of the dustiness of washings.
But, the course control method of above-mentioned dish-washing machine according to conventional art since detect the washings turbidity the turbidity detecting sensor element characteristic and cause turbidity to detect mistake with various external factor generation errors.
That is, there is the setting mistake process of generation condition, thereby has the problem that reduces scourability because turbidity detects wrong.
Summary of the invention
The present invention proposes in order to solve above-mentioned problem according to conventional art, and purpose is to be provided to be had the turbidity that the error because of the turbidity detecting sensor causes and detect in the dish-washing machine of wrong compensate function, controls the method for process according to turbidity.
The course control method of dish-washing machine of the present invention is by the stage that washings is supplied to designated water level according to user's washing commands in order to achieve the above object; When having supplied with above-mentioned designated water level, detect the 1st turbidity of washing water supplied, and utilize above-mentioned the 1st turbidity that has detected to reach the 2nd turbidity of having set, calculate the stage of penalty coefficient; Carry out pre-wash, and detect the stage of the 3rd turbidity of circulated washing water when carrying out above-mentioned pre-wash; Utilize above-mentioned penalty coefficient of having calculated and the above-mentioned the 2nd and the 3rd turbidity, calculate the stage of process setting data again; Also comprise the stage formation of controlling washing course according to above-mentioned process setting data of having calculated.
At this moment, the stage of calculating above-mentioned penalty coefficient is when above-mentioned feedwater is over, and uses the 2nd desirable turbidity of having set divided by above-mentioned the 1st turbidity that has detected.
Again, the above-mentioned stage of calculating the process setting data is to multiply by above-mentioned penalty coefficient with above-mentioned the 3rd turbidity that has detected, and deducts above-mentioned multiplied result from above-mentioned the 2nd turbidity.
Advantage and good effect: aforesaid course control method according to dish-washing machine of the present invention can compensate the error of the turbidity detecting sensor that causes because of individual product characteristic or pollution, by the dustiness of correct detection washings, scourability and system reliability have been improved.
Description of drawings
Fig. 1 is the profile of general dish-washing machine.
Fig. 2 is the composition module figure according to the dish-washing machine of conventional art.
Fig. 3 is the turbidity sense part parallel circuit figure of expression according to conventional art.
Fig. 4 is the flow chart of expression according to the course control method of the dish-washing machine of conventional art.
Fig. 5 is the flow chart of expression according to the course control method of dish-washing machine of the present invention.
Explanation to figure major part symbol:
4: water level perception part, 5: turbidity perception part,
6: control section.
The specific embodiment
To other purpose of the present invention, characteristic and advantage can be understood by the detailed description with reference to the embodiment of accompanying drawing.
To embodiment, as follows with reference to description of drawings according to the course control method of dish-washing machine of the present invention:
Dish-washing machine according to the present invention with constituted in the past identical, the detailed formation in Therefore, omited explanation, but, represented with identical in the past graphical sysmbol to the formation of dish-washing machine.
According to the course control method of dish-washing machine of the present invention as shown in Figure 5, at first the user considers the tableware amount, the corresponding therewith process order of back inputs such as tableware kind.
During user's input process initiation command according to the control of control section (6), washings supply to designated water level (S10, S20).
At this moment, the designated water level of above-mentioned washings is considered the tableware amount by the structure (oil circuit, the internal capacity of suction nozzle etc.) and the user of indivedual models, and the process order of importing after the tableware size determines.
Above-mentioned washings supply to water leg (8), and supply to the water level of the washings of water leg (8) by (4) perception of water level perception part, stop feedwater when reaching designated water level.
Then, when being over, feedwater detects above-mentioned washing water turbidity (A) (S30) by turbidity perception part (5), and when being over, feedwater utilizes desirable turbidity size, promptly, turbidity of having set (B) and the above-mentioned turbidity that has detected (A) are calculated penalty coefficient (K) (S40) by following mathematical expression 1.
Penalty coefficient (K)=turbidity (B)/turbidity (A)
Then, carry out the pre-wash (S50) of certain hour.
In the process of carrying out above-mentioned pre-wash, detect in the direct circulation washing water turbidity (C) (S60), and calculate the process setting data (S70) that is used to control washing course by following mathematical expression 2.
Mathematical expression 2
Process setting data (D)=turbidity (B)-turbidity (C) * penalty coefficient (K)
The present invention is over turbidity (A) that the back detects and the desirable turbidity (B) set is calculated and can be compensated the compensation of error coefficient (K) that causes because of turbidity perception part (5) pollution by feedwater.
And, the turbidity that causes for the error that compensates because of above-mentioned turbidity perception part (5) detects mistake, the turbidity that detects in the process of carrying out pre-wash (C) multiply by above-mentioned penalty coefficient (K), and deducts above-mentioned multiplied result from the above-mentioned turbidity of having set (B) and calculate the process setting data.
At this moment, carry out the process condition of the best different process setting datas of the pre-set by experiment correspondence of washing course for making dish-washing machine, and after carry out formization as following table 2, constitute visual table and be stored in memory (omit and illustrate) lining.
Table 2
| Process setting data (V) | The process condition |
| 0.5 below | A process- |
| 0.5<V<1.8 | B process-wash time 15 minutes heats 2 times |
| 1.8 more than | C process-wash time 20 minutes heats 3 times |
Then, from above-mentioned memory, access process condition corresponding to above-mentioned process setting data of having calculated, and according to process condition control washing course.
For example, as shown in table 2, when above-mentioned process setting data of having calculated is that 0.5V is when following, by process condition correspondingly, promptly, the A process is controlled washing course, and (S80～S81), (S90～S91) controls washing course (S100～S110) by the C process when 1.8V is above to press the B process in the time of between 0.5V and 1.8V.
Here, because above-mentioned process setting data is big more, the high more and lengthening wash time or repeatedly heat number of times repeatedly and control washing course of the dustiness of washings.
Thereby the present invention is for compensating because of the sensor characteristics of turbidity perception part (5) or the error that pollution causes, utilize the turbidity that detects in above-mentioned penalty coefficient and the process after calculating penalty coefficient, calculate final process setting data again, and, change the process condition and control washing course according to above-mentioned process setting data.
Right of the present invention is to be not limited to illustrated embodiment in the above, and is defined in the content that is logged into the claim scope, can do various distortion in being logged into the interest field of claim and transforms into the knowledgeable people in the field of the present invention.
Claims (3)
1, a kind of course control method of dish-washing machine is characterized in that: this method includes:
Washings are supplied to the stage of designated water level according to user's washing commands;
When supplying to above-mentioned designated water level, detect the 1st turbidity of washing water supplied, obtain the stage of penalty coefficient divided by above-mentioned the 1st turbidity that has detected by the 2nd desirable turbidity of having set;
Carry out pre-wash, and detect the stage of the 3rd turbidity of circulated washing water when carrying out above-mentioned pre-wash;
Multiply by above-mentioned penalty coefficient with above-mentioned the 3rd turbidity that has detected, and deduct the stage that above-mentioned multiplied result obtains the process setting data from above-mentioned the 2nd turbidity;
Also comprise the stage of controlling washing course according to above-mentioned process setting data of having calculated in addition.
2, the course control method of dish-washing machine according to claim 1 is characterized in that: the stage of controlling washing course according to above-mentioned process setting data of having calculated is:
According to above-mentioned process setting data, control washing course by the process condition that changes wash time or change washings heating number of times.
3, the course control method of dish-washing machine according to claim 2, its feature also is: above-mentioned change process condition is:
When above-mentioned process setting data big more, lengthening wash time or increase the heating number of times of washings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100189448A CN100531661C (en) | 2004-04-12 | 2004-04-12 | Program control method for dish washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100189448A CN100531661C (en) | 2004-04-12 | 2004-04-12 | Program control method for dish washing machine |
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| Publication Number | Publication Date |
|---|---|
| CN1682637A CN1682637A (en) | 2005-10-19 |
| CN100531661C true CN100531661C (en) | 2009-08-26 |
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| CNB2004100189448A Expired - Fee Related CN100531661C (en) | 2004-04-12 | 2004-04-12 | Program control method for dish washing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102793523A (en) * | 2011-05-24 | 2012-11-28 | 松下电器产业株式会社 | Tableaware cleaning machine |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101455775B1 (en) * | 2008-05-19 | 2014-10-28 | 삼성전자 주식회사 | Home appliance and method of controlling the same |
| DE102008036586A1 (en) * | 2008-08-06 | 2010-02-11 | Henkel Ag & Co. Kgaa | Appliance |
| JP4852116B2 (en) * | 2009-03-13 | 2012-01-11 | パナソニック株式会社 | dishwasher |
| CN102008278B (en) * | 2009-09-07 | 2012-10-31 | 松下电器产业株式会社 | Dishware cleaning machine |
| CN108618720B (en) * | 2018-05-23 | 2022-02-18 | 佛山市顺德区美的洗涤电器制造有限公司 | Method and device for controlling washing of dish washer and computer readable storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1145965A (en) * | 1995-06-12 | 1997-03-26 | 博施-西门子家用器具有限公司 | Method for making temp. compensation for measured value turbidity detector in automatic washing machine or bowl-washing machine |
| CN1257579A (en) * | 1997-05-26 | 2000-06-21 | Bsh博施及西门子家用器具有限公司 | Method for detecting an unacceptably high degree of calcification in a water-carring household appliance |
| EP1238623A2 (en) * | 2001-03-07 | 2002-09-11 | Miele & Cie. GmbH & Co. | Calibrating method of a turbidity sensor |
| US20030019510A1 (en) * | 2001-07-27 | 2003-01-30 | Hegeman Arian Johannes | Dishwasher including a turbidity sensor |
-
2004
- 2004-04-12 CN CNB2004100189448A patent/CN100531661C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1145965A (en) * | 1995-06-12 | 1997-03-26 | 博施-西门子家用器具有限公司 | Method for making temp. compensation for measured value turbidity detector in automatic washing machine or bowl-washing machine |
| US5889192A (en) * | 1995-06-12 | 1999-03-30 | Bsh Bosch Und Siemens Hausgeraete Gmbh | Method for temperature compensation of measured values of a turbidity sensor in an automatic washing machine or diswasher |
| CN1257579A (en) * | 1997-05-26 | 2000-06-21 | Bsh博施及西门子家用器具有限公司 | Method for detecting an unacceptably high degree of calcification in a water-carring household appliance |
| EP1238623A2 (en) * | 2001-03-07 | 2002-09-11 | Miele & Cie. GmbH & Co. | Calibrating method of a turbidity sensor |
| US20030019510A1 (en) * | 2001-07-27 | 2003-01-30 | Hegeman Arian Johannes | Dishwasher including a turbidity sensor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102793523A (en) * | 2011-05-24 | 2012-11-28 | 松下电器产业株式会社 | Tableaware cleaning machine |
| CN102793523B (en) * | 2011-05-24 | 2014-09-10 | 松下电器产业株式会社 | Tableaware cleaning machine |
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| Publication number | Publication date |
|---|---|
| CN1682637A (en) | 2005-10-19 |
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