CN104185700B - Device for assessing hygienic state of water-conducting domestic appliance, and domestic appliance of type, and method for assessing hygienic state of corresponding domestic appliance - Google Patents
Device for assessing hygienic state of water-conducting domestic appliance, and domestic appliance of type, and method for assessing hygienic state of corresponding domestic appliance Download PDFInfo
- Publication number
- CN104185700B CN104185700B CN201280063448.7A CN201280063448A CN104185700B CN 104185700 B CN104185700 B CN 104185700B CN 201280063448 A CN201280063448 A CN 201280063448A CN 104185700 B CN104185700 B CN 104185700B
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- CN
- China
- Prior art keywords
- container
- home appliances
- equipment
- biomembrane
- detection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/20—Parameters relating to constructional components, e.g. door sensors
-
- 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
- D06F33/43—Control of cleaning or disinfection of washing machine parts, e.g. of tubs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/07—Cleaning beverage-dispensing apparatus
- B67D2001/075—Sanitising or sterilising the apparatus
-
- 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
- D06F2105/02—Water supply
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention relates to a device (7) for assessing a hygienic state of a water-conducting domestic appliance (1), in particular of a domestic appliance for the care and/or cleaning of laundry items or crockery, having a water circuit and/or a vessel (4) and an electric detection device (10) which is coupled to the water circuit and/or the vessel (4) and is configured for assessing the hygienic state of the water circuit and/or the vessel (4) depending on a capacity measurement. The invention also relates to a water-conducting domestic appliance (1) and to a method for assessing a hygienic state of a water-conducting domestic appliance (1).
Description
The present invention relates to a kind of home appliances for judging water running, the home appliances particularly for nursing washing object
Sanitary condition equipment.Additionally, the present invention also relates to the home appliances of corresponding water running and for judging water running
Home appliances, particularly for nurse washing object home appliances sanitary condition method.
It is home appliances, such as washing machine in water running, other for nursing and/or cleaning washing object or coffee
In the scrubber of the tableware of machine or other beverage supply equipments, can under special placement condition and/or service condition
Biomembrane can be formed.This kind of biomembrane for example can easily recognize in the flushing shell of washing machine by user, and can
Corresponding cleaning measure is taken immediately.Home appliances it is more difficult touch and be also relatively difficult to see that the inside part in, can only
Mode can not difficulty or be at all observed by the naked eye to carry out the identification of this kind of biomembrane.
Therefore, this kind of biofilm formation in the alkali liquor container of washing machine can hardly also be perceived, and work as
Appearance is just noticeable when allowing the offending smell of people to be formed.
More late trial reduces this kind of biofilm formation by adequate measures, and cleaning effect is smaller.
Currently without also regularly although being made it possible to certain using appropriate nursing intervention in the case of necessary
This kind of biofilm formation is prevented in degree, but is consumed unnecessary energy and is given due to the detergent with chemical substance
Environment increased burden.
Method and be arranged for carrying out the method that the health for becoming known for washing machine by the A2 of EP 2 108 726 shows
Washing machine.The method includes at least one step, wherein, at least a portion of operation program has been attached hygienic risk value.It
The hygienic risk value of preceding operation program is applied gives health demand value, wherein, health is activated according to the health demand value and is shown
Show.
Additionally, the method for becoming known for regulating and controlling washing machine container by the A of KR 2,004 0045115, the washing machine container can
Dirty degree is detected optically.
Task of the invention is the equipment of the sanitary condition for proposing the home appliances for judging water running, this kind of family
Method with utensil and for judging the sanitary condition of corresponding home appliances, by the equipment and the home appliances and
Method makes it possible to being difficult to see that the inside or can't see the part of the inside not for reliably and early identification home appliances
Desired sanitary condition.
The task also has method to solve by the home appliances of equipment of the invention and water running.
The sanitary condition of home appliances of the invention, for judging the water running for nursing washing object sets
It is standby to include priming device especially flexible pipe, and/or container especially alkali liquor container and electric detection device.The detection device is filled with diversion
Put and/or container, especially alkali liquor container coupling and the detection device are configured to perform capacitance measurement.Additionally, the detection is filled
Put and be configured to judge the priming device and/or the container, the health of especially described alkali liquor container according to capacitance measurement
Situation.From now on, also realized by equipment of the invention, the difficulty of home appliances can be monitored in terms of its sanitary condition
With the part seen the inside or the inside can not be seen.From now on, specifically ensure that, the equipment by relatively simply constructing
Make it possible to reliably and quickly report sanitary condition.Within the scope of the invention, priming device is interpreted as one or more structures
Part, the component can be oriented to or guide water or aqueous solution.
Additionally, very reliable metering system is ensured by the equipment, especially in a humid environment.
It is preferably provided with, the detection device has two electrodes that can be conductive, the electrode is arranged in the priming device
And/or in the container, especially described alkali liquor container.The electrode is constructed especially board-likely.Thereby, it is possible to particularly advantageously enter
The measurement of row capacitive way.Furthermore it is ensured that the corresponding, fixation of mechanically stable.
It is preferred that, the electrode be arranged on the outside of the priming device and/or on the container, especially be arranged in it is described
In the back wall of alkali liquor container.Thus, the electrode pair maintenance work or similar work are accessible.Additionally, by this
Arrangement, in for the home appliances for nursing washing object, alkali liquor container and the existing roller for receiving washing object it
Between installing space do not diminish.
It is preferred that, being set in for the home appliances for nursing washing object, the electrode is adjacent with the bearing of alkali liquor container
Ground arrangement.Thus this is particularly advantageous position：Because fairly frequently formed in the region of the bearing of alkali liquor container being not desired to
The pollutant wanted.Thus, quickly ensure to detect these pollutants.
It is preferably provided with, the detection device is configured to the electric capacity according to measured by judge to be formed in the priming device
The characteristic of the biomembrane on upper and/or container, especially in alkali liquor container.
Especially set, the frequency spectrum on measurement frequency as measured by the detection device according to the electric capacity can
To on the priming device and/or on the container, the biomembrane that is especially formed in the alkali liquor container the characteristics of enter
Row description.Set in a preferred manner, the detection device has control unit, thus, the institute of the measurement frequency can be produced
The frequency spectrum of restriction.
It is preferred that, the characteristic for describing the biomembrane feature is the composition of the biomembrane and/or the thickness of the biomembrane
And/or the bulk density of the biomembrane.
Ensured by the equipment, be able to carry out measuring dampish deposit without directly contacted with the medium, letter
Single, reliable and cheap mode.Physical relationship between measured value and biological film character makes it possible to very quickly and reliably
Report has below in connection with information：The biomembrane is constituted with which kind of degree and about which kind of degree to need cleaning to arrange with
Apply.
In the present invention, using such phenomenon：Biomembrane kept after being moistened with water moist a period of time and because
This can be conductive.This electric conductivity can be asked for by the electric capacity between two conductive plates for representing electrode.Measured electric capacity
The surface density of the area and then biomembrane for relatively moistening can be derived.Additionally, the record of frequency spectrum, i.e. to as measurement frequency
Function electric capacity measurement make it possible to the relevant additional characteristic of report information, such as the type and/or thickness of biomembrane and/
Or bulk density.Small frequency within several megahertzs included by frequency spectrum and can be used measurement and consider.It is preferred that,
By may include microprocessor control unit set, described control unit be able to carry out FREQUENCY CONTROL and transmitting and thus, it is possible to
Measured on big frequency separation.This especially program in the microprocessor and thus make the cost of component-dedicated also its
Its scheme is minimized.
Additionally, the present invention relates to a kind of home appliances of water running, particularly for nurse and/or cleaning washing object or
The home appliances of tableware, such as washing machine or dishware flushing machine or beverage supply equipment, it has equipment of the invention
Or the advantageous configuration of the equipment.
Additionally, the present invention relates to a kind of method for judging the sanitary condition of the home appliances of water running, wherein, it is described
The electric detection device of home appliances be electrically coupled with the priming device and/or container of the home appliances, especially alkali liquor container and
The priming device and/or the container, especially described alkali are judged according to the capacitance measurement carried out by the detection device
The sanitary condition of liquid container.
The advantageous configuration of equipment of the invention can regard the advantageous configuration of the method according to the invention as.
Embodiments of the invention are explained further referring to the schematic diagram of washing machine.Accompanying drawing shows：
The schematical three-dimensional diagram of the embodiment of Fig. 1 home appliances of the invention；
Fig. 2 is of the invention, equipment with detection device the alkali liquor container explanatory view seen from afterwards；
Schematic cross sectional views of the Fig. 3 according to the alkali liquor container of Fig. 2.
In the accompanying drawings, identical or function identical element are provided with identical reference marker.
Figure 1 illustrates the front view of washing machine 1.Washing machine 1 includes the roller 2 for receiving washing object.Can be around vertical
The roller 2 that the straight axis in the plane of delineation rotates has the loading aperture 3 of front side, can be by washing object by the loading aperture
It is fitted into roller 2 and is taken out.
Additionally, washing machine 1 includes alkali liquor container 4, alkali liquor container locally formula ground surrounds roller 2.Additionally, washing machine 1
Also include pouring shell 5 and operation equipment 6.
Additionally, washing machine 1 includes equipment 7, the equipment is configured to judge the sanitary condition of alkali liquor container 4.The He of reference picture 2
3 are explained further equipment 7.
The explanatory view seen from afterwards of alkali liquor container 4 is then shown in fig. 2.Thus, back wall 8 is shown, it is opened with charging
Mouth 3 is opposite.Additionally, back wall 8 is outside, the outside is away from roller 2 and the internal capacity 9 of alkali liquor container 4.Except alkali lye holds
Outside device 4, equipment 7 includes electric detection device 10.The detection device is configured to capacitance measurement.It includes two as electrode 11
Plate with 12, the electrode structure is in back wall 8.Board-like electrode 11 and 12 is by signal conductor 13 and 14 and control and assessment
Unit 15 is connected.The capacitance measurement carried out by detection device 10 is made it possible to so that very mode informs alkali lye fast and accurately
The presence of the sanitary condition of container 4, especially biomembrane 16 (Fig. 3), such as the biomembrane may on the inner side 17 of alkali liquor container 4,
Formed especially in the region of bearing 18.
Unit 15 includes microprocessor 19.Can be to the area that relatively moistens and then biomembrane 16 by capacitance measurement
Surface density is inferred.Frequency spectrum is especially recorded, wherein, it is that this records electric capacity as the function of measurement frequency.Thus, also can
Enough determine other characteristics, the type of such as biomembrane 16 and the thus thickness and/or biology of material composition and/or biomembrane 16
The bulk density of film 16.
Illustrated implementation method can be also used in the home appliances of other water runnings according to meaning.
List of reference signs
1 washing machine
2 rollers
3 loading apertures
4 alkali liquor containers
5 pour shell
6 operation equipments
7 equipment
8 back walls
9 internal capacities
10 detection devices
11,12 electrodes
13,14 signal conductors
15 controls and assessment unit
16 biomembranes
17 inner sides
18 bearings
19 microprocessors
Claims (18)
1. the equipment (7) of the sanitary condition of the home appliances (1) for judging water running is used for, and it has priming device and/or container
(4) and electric detection device (10), the electric detection device is coupled with the priming device and/or the container, it is characterised in that
The detection device (10) is configured to perform capacitance measurement and the electric detection device is configured to according to the capacitance measurement
To judge the sanitary condition of the priming device and/or the container, and the detection device (10) is configured to according to being surveyed
The electric capacity of amount judges the characteristic in the priming device and/or the biomembrane for being formed on the container (16).
2. equipment (7) according to claim 1, wherein, the detection device (10) with two can be conductive electrodes (11,
12), the electrode is arranged on the priming device and/or the container.
3. equipment (7) according to claim 2, wherein, the electrode (11,12) is arranged in the priming device and/or described
On the outside of container.
4. equipment (7) according to claim 3, wherein, the electrode (11,12) is arranged in the back wall of container (8).
5. equipment (7) according to one of claim 1-4, wherein, the container (4) is alkali liquor container.
6. equipment (7) according to one of claim 2-4, wherein, according to the electric capacity by the detection device (10) institute
The frequency spectrum on measurement frequency of measurement can be in the priming device and/or the biomembrane for being formed on the container
(16) characteristic is described.
7. equipment (7) according to claim 6, wherein, the probe unit (10) with control unit (19), by the control
Unit can produce the frequency spectrum for being limited of the measurement frequency.
8. equipment (7) according to claim 7, wherein, described control unit (19) is microprocessor.
9. equipment (7) according to claim 1-4,7, one of 8, wherein, the characteristic of the biomembrane (16) is the biomembrane
(16) composition and/or the bulk density of the thickness of the biomembrane (16) and/or the biomembrane (16).
10. equipment (7) according to claim 6, wherein, the characteristic of the biomembrane (16) is the composition of the biomembrane (16)
And/or the thickness and/or the bulk density of the biomembrane (16) of the biomembrane (16).
11. according to the equipment (7) of claim 2-4,7,8, one of 10, wherein, the container is for nursing washing object
The alkali liquor container of the home appliances and electrode (11,12) is disposed adjacent to the bearing (18) of the alkali liquor container (4).
The home appliances of 12. water runnings, the home appliances has the equipment (7) according to one of preceding claims.
The home appliances of 13. water runnings according to claim 12, wherein, the home appliances of the water running is beverage supply
Machine or the home appliances for nursing and/or cleaning washing object.
The home appliances of 14. water runnings according to claim 13, wherein, it is described for nursing and/or cleaning washing object
Home appliances is washing machine or dishware flushing machine.
The home appliances of 15. water runnings according to claim 14, wherein, the detection device (10) can be conductive with two
Electrode (11,12), the container is the alkali liquor container for nursing the home appliances of washing object and the electrode (11,12)
Bearing (18) with the alkali liquor container (4) is disposed adjacent to.
16. method for judging the home appliances (1) of water running, wherein, the electric detection device (10) of the home appliances (1)
It is electrically coupled with the priming device and/or container of the home appliances (1) and according to being carried out by the detection device (10)
Capacitance measurement judges the sanitary condition of the priming device and/or the container, and the detection device (10) is configured to
The spy in the priming device and/or the biomembrane for being formed on the container (16) is judged according to measured electric capacity
Property.
17. methods according to claim 16, wherein, the home appliances of the water running is beverage supply equipment or is used for
Nursing and/or the home appliances of cleaning washing object.
18. methods according to claim 17, wherein, described is to wash for nursing and/or cleaning the home appliances of washing object
Clothing machine or dishware flushing machine.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011089364A DE102011089364A1 (en) | 2011-12-21 | 2011-12-21 | Apparatus for assessing a hygiene state of a water-bearing domestic appliance and such a domestic appliance as well as a method for assessing a hygiene state of a corresponding domestic appliance |
| DE102011089364.4 | 2011-12-21 | ||
| PCT/EP2012/075872 WO2013092538A1 (en) | 2011-12-21 | 2012-12-18 | Device for assessing a hygienic state of a water-conducting domestic appliance, and a domestic appliance of this type, and a method for assessing a hygienic state of a corresponding domestic appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104185700A CN104185700A (en) | 2014-12-03 |
| CN104185700B true CN104185700B (en) | 2017-05-24 |
Family
ID=47557048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280063448.7A Active CN104185700B (en) | 2011-12-21 | 2012-12-18 | Device for assessing hygienic state of water-conducting domestic appliance, and domestic appliance of type, and method for assessing hygienic state of corresponding domestic appliance |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2794973B1 (en) |
| CN (1) | CN104185700B (en) |
| DE (1) | DE102011089364A1 (en) |
| IN (1) | IN2014KN01213A (en) |
| RU (1) | RU2570502C1 (en) |
| WO (1) | WO2013092538A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015204692A1 (en) * | 2015-03-13 | 2016-09-15 | BSH Hausgeräte GmbH | Method for determining a degree of hygiene of a washing machine with an impedance sensor and suitable washing machine for this purpose |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3518174A (en) * | 1967-08-10 | 1970-06-30 | Inoue K | Method and apparatus for purification of water containing organic contaminants |
| JPS607513B2 (en) * | 1977-05-18 | 1985-02-25 | 株式会社日立製作所 | Fully automatic washing machine |
| GB2102928A (en) * | 1981-07-22 | 1983-02-09 | Philips Electronic Associated | Dryness sensing device for a laundry drier |
| DE19620512A1 (en) * | 1996-05-22 | 1997-11-27 | Miele & Cie | Program-controlled washing machine |
| US6394111B1 (en) * | 1997-06-11 | 2002-05-28 | Ethicon, Inc. | Detection of cleanliness of a medical device during a washing process |
| CN2589469Y (en) * | 2002-07-10 | 2003-12-03 | 张霖 | Full automatic multifunctional aseptic drinking machine |
| KR100930889B1 (en) * | 2002-11-22 | 2009-12-10 | 엘지전자 주식회사 | Washing machine washing method |
| EP1441056A1 (en) * | 2003-01-22 | 2004-07-28 | Whirlpool Corporation | Washing machine |
| US20080092928A1 (en) * | 2006-10-19 | 2008-04-24 | Whirlpool Corporation | Method and Apparatus for Treating Biofilm in an Appliance |
| EP2108726A3 (en) * | 2009-06-29 | 2009-10-21 | V-Zug AG | Washing machine with hygiene display |
-
2011
- 2011-12-21 DE DE102011089364A patent/DE102011089364A1/en not_active Ceased
-
2012
- 2012-12-18 CN CN201280063448.7A patent/CN104185700B/en active Active
- 2012-12-18 RU RU2014128996/12A patent/RU2570502C1/en active
- 2012-12-18 IN IN1213KON2014 patent/IN2014KN01213A/en unknown
- 2012-12-18 WO PCT/EP2012/075872 patent/WO2013092538A1/en active Application Filing
- 2012-12-18 EP EP12813804.7A patent/EP2794973B1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| IN2014KN01213A (en) | 2015-10-16 |
| EP2794973B1 (en) | 2017-03-01 |
| RU2570502C1 (en) | 2015-12-10 |
| WO2013092538A1 (en) | 2013-06-27 |
| EP2794973A1 (en) | 2014-10-29 |
| DE102011089364A1 (en) | 2013-06-27 |
| CN104185700A (en) | 2014-12-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Munich, Germany Applicant after: BSH Household Electrical Appliance Co., Ltd Address before: Munich, Germany Applicant before: BSH Bosch and Siemens Household Appliances Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: Free format text: CORRECT: APPLICANT; FROM: BOSCH UND SIEMENS HAUSGERATE GMBH TO: BSH HOME APPLIANCES CO., LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |