CN108603322A - Washings care appliance with foam detecting device - Google Patents
Washings care appliance with foam detecting device Download PDFInfo
- Publication number
- CN108603322A CN108603322A CN201680080702.2A CN201680080702A CN108603322A CN 108603322 A CN108603322 A CN 108603322A CN 201680080702 A CN201680080702 A CN 201680080702A CN 108603322 A CN108603322 A CN 108603322A
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- Prior art keywords
- fluid container
- foam
- measured value
- fluid
- electrical
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/06—Arrangements for preventing or destroying scum
-
- 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
-
- 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
- D06F2105/08—Draining of washing liquids
-
- 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
- D06F2105/10—Temperature of washing liquids; Heating means therefor
-
- 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
- D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
-
- 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
-
- 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
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/001—Washing machines, apparatus, or methods not otherwise provided for using ozone
-
- 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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/088—Liquid supply arrangements
-
- 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
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/203—Laundry conditioning arrangements
Abstract
The present invention relates to a kind of washings care appliances (100), it has the alkali liquor container (105) for receiving washing alkali liquid, it is arranged in the cleaning-drum (107) for being used to receive washings (109) in the alkali liquor container (105) and is connected for the deodorizing device (111) to the washings (109) progress taste removal in terms of fluid technique with the alkali liquor container (105), wherein, the deodorizing device (111) has the mist generating device (115) for producing ozoniferous ozone generation cell (113) and for generating water mist, and, wherein, the mist generating device (115) has the fluid container (141) for receiving fluid.The deodorizing device (111) has the foam detecting device (151) for detecting the foam in the fluid container (141), wherein, the foam detecting device (151) includes electrical measurement element (153), the electrical measurement element is in the fluid in the fluid container (141) and contacts, wherein, the electrical measurement element (153) is configured to：The electrical measured value of the fluid in the fluid container (141) is detected, and, wherein the foam detecting device (151) is configured to：Compare the detected electrical measured value and refer to electrical measured value, and by determining that foam whether there is in the fluid container (141) in the electrical measured value and the comparison with reference between electrical measured value.
Description
Technical field
The present invention relates to a kind of washings care appliances with foam detecting device.
Background technology
In order to eliminate the odoring substance for smelling and making people unhappy, during washing process, in conventional wash object care appliance
In various chemical substances (such as ozone) can be supplied to washings, lost to make to smell the odoring substance for making people unhappy
It is living.For this purpose, conventional wash object care appliance has with the deodorizing device for being ready for use on the ozone generation cell for generating ozone.However,
The foam occurred during washings nursing process may enter deodorizing device by fluid technique pipeline from alkali liquor container
In, and may be damaged the function of deodorizing device.
Disclose in 2 889 421 A1 of EP a kind of bubble detecting sensor having for detecting bubble or foam
Washing machine.
A kind of roller washing machine with foam sensor, the foam sensing are disclosed in 1 731 656 A1 of EP
Utensil has temperature electrode connector.
Invention content
The task of the present invention is to provide a kind of washings care appliances, in the washings care appliance, it is ensured that
Effectively foam identification is realized in the deodorizing device of washings care appliance.
The task is solved by the theme with the feature according to independent claims.The advantageous embodiment of the present invention
It is the theme of attached drawing, specification and dependent claims.
According to an aspect of the present invention, which is solved by a kind of washings care appliance, is had：It is washed for receiving
Wash the alkali liquor container of lye；It is arranged in the cleaning-drum for receiving washings in alkali liquor container；With alkali liquor container in fluid skill
Deodorizing device of the connection for carrying out taste removal to washings in terms of art, wherein deodorizing device has for producing ozoniferous ozone
Generating element and mist generating device for generating water mist, wherein mist generating device has the fluid container for receiving fluid,
Wherein, deodorizing device has the foam detecting device for detecting the foam in fluid container, wherein foam detecting device packet
Electrical measurement element is included, the electrical measurement element is in the fluid in fluid container and contacts, wherein electrical measurement element construction is used
In：The electrical measured value of the fluid in fluid container is detected, and, wherein foam detecting device is configured to：Compare and is detected
The electrical measured value arrived is determined with reference to electrical measured value, and by electrical measured value and with reference to the comparison between electrical measured value：
It whether there is foam in fluid container.
It is achieved in such technological merit：It can be by foam by the comparison between electrical measured value and reference electrical measured value
Detection device is advantageously determined：It whether there is foam in fluid container.In the fluid container for reliably determining out deodorizing device
There are foam, this be for be introduced into further the measure of and then foam detection to by foam before being removed in fluid container
It carries.It is possible thereby to avoid the damage of the function of deodorizing device.
In conventional wash object care appliance, using deodorizing device, supplying the water mist containing ozone to washings
Washings in the cleaning-drum of care appliance and taste removal is carried out to washings, i.e.,：Being removed from washings makes people unhappy
Smell and to eliminate the germ in washings.Foam is likely to occur during washings nursing process, the foam may
It can enter in deodorizing device from alkali liquor container by the interconnecting piece of fluid technique, and can be damaged in the conceived case at this
The function (function of the active carbon filter especially in deodorizing device) of bad deodorizing device.
Herein, the electrical measurement element with the fluid in fluid container of foam detecting device according to the present invention are in and connect
It touches, and is configured to：Detect the electrical measured value of the fluid in fluid container.Foam detecting device is configured to：Compare institute
The electrical measured value that detects with refer to electrical measured value.According to the type of the fluid in fluid container, (especially fluid is non-conducting
Characteristic), the different electrical measured values of different fluid can be detected by being in the electrical measurement element that contacts with fluid.Therefore, electrical measurement
Amount element can for example detect the material position of the fluid in fluid container.Such as air and foam, electrical measurement element testing
To different electrical measured values.It deposits and detects in case of air with reference to electrical measured value in fluid container when electrical measurement element
When, foam detecting device can be determined by the comparison of the electrical measured value and reference electrical measured value of the fluid in fluid container
Go out：It whether there is foam in fluid container.
Therefore, by foam detecting device by detecting the electrical measured value of the fluid in fluid container and by will be examined
The electrical measured value measured effectively determines out with being compared with reference to electrical measured value：It whether there is foam in fluid container.
Washings care appliance is interpreted as a kind of utensil being used in washings nursing, such as washing machine or washings are done
Dry machine.Such washings care appliance is especially appreciated that as household washing object care appliance.I.e. such washings care appliance,
The washings care appliance is used in the scope of housework, also, normal by washings care appliance processing family
The washings of dosage.
In the advantageous embodiment of washings care appliance, electrical measurement element has reference electrode and a certain number of
Electrode, these electrodes are in the fluid in fluid container and contact.
It is achieved in such technological merit：It is realized by reference to electrode and above-mentioned electrode and fluid is held by electrical measurement element
The electrical measured value of fluid in device is effectively detected, thus, it is ensured that by foam detecting device advantageously carrying out foam inspection
It surveys.Other than reference electrode, electrical measurement element especially has there are two electrode.
In the other advantageous embodiment of washings care appliance, electrical measurement element is configured to：Detection is being flowed
Voltage in body container and by it compared with reference voltage, also, foam detecting device is configured to：Pass through voltage and reference
Comparison between voltage and determine：It whether there is foam in fluid container.
It is achieved in such technological merit：By foam detecting device by by electrical measurement element carry out voltage measurement and
By the way that detected voltage to be compared and can effectively determine out with reference voltage：With the presence or absence of bubble in fluid container
Foam.
In the other advantageous embodiment of washings care appliance, electrical measurement element is configured to：Hold in fluid
It detects to refer to electrical measured value in the unfilled state of device.
It is achieved in such technological merit：In the unfilled state of fluid container (i.e. in such a situation：Institute
State in state, fluid container is filled with air), electrical measurement element and the air in fluid container are in and contact, be achieved in by
Electrical measurement element with reference to electrical measured value to advantageously being detected.
In the other advantageous embodiment of washings care appliance, foam detecting device is configured to：Work as fluid
Electrical measured value be different from reference to electrical measured value when (especially when electrical measured value with reference to electrical measured value differ one electricity difference when), really
Foam is made to be present in fluid container.
It is achieved in such technological merit：It is real by electrical measured value and with reference to the difference of the determination between electrical measured value
Now the foam in fluid container is particularly advantageously determining.Especially, in electrical measurement element and air contact in the case of institute
The reference electrical measured value detected is distinct from when there are when foam and when electrical measurement element is in foam in fluid container
By the electrical measured value detected by electrical measurement element when contact.
In the other advantageous embodiment of washings care appliance, fluid container has for supplying a liquid to
Supply valve in fluid container and for delivery valve, washings care appliance to have for controlling derived from fluid container by liquid
The control device of supply valve and delivery valve processed, the control device are configured to：In first time section, supply valve is closed simultaneously
And delivery valve is opened, liquid to be exported from fluid container, wherein electrical measurement element is not located with the liquid in fluid container
In contact, electrical measured value is referred to detect, wherein electrical measurement element is configured to：The of and then first time section
In two time sections, the electrical measured value of the fluid in fluid container is detected, and, wherein foam detecting device is configured to：
In the second time section, determined by electrical measured value and with reference to the comparison between electrical measured value：In fluid container whether
There are foams.
It is achieved in such technological merit：When there is no liquid to be present in fluid container (typically without water), realize
Foam in fluid container is effectively detected.Ensured by opening delivery valve in first time section and closing supply valve
：Liquid (especially water) is exported from fluid container, and can be determined in unfilled fluid container related to air
Reference electrical measured value.If in the case where supply valve is closed by electrical measurement element testing to difference in the second time section
In the electrical measured value with reference to electrical measured value, then foam detecting device can be determined：It whether there is foam in fluid container.
In the other advantageous embodiment of washings care appliance, fluid container has for supplying a liquid to
Supply valve in fluid container and for by liquid derived from fluid container delivery valve, wherein washings care appliance has
Control device for controlling supply valve and delivery valve, wherein electrical measurement element has reference electrode, first electrode and the second electricity
Pole, wherein the endpoint of reference electrode and the endpoint of first electrode are arranged in fluid container below the endpoint of second electrode,
In, control device is configured to：In first time section, closes supply valve and open delivery valve, to make liquid from stream
It is flowed out in body container, wherein reference electrode, first electrode and second electrode are not located in the liquid in fluid container and connect
It touches, refers to electrical measured value to detect, wherein control device is configured to：In the second time of and then first time section
In section, close and delivery valve and open supply valve, supplying liquid to fluid container, until first electrode endpoint with
Liquid is in contact, wherein second electrode is configured to：In the third time section of and then the second time section, detection
Go out the electrical measured value of the fluid in fluid container, and, wherein foam detecting device is configured to：In third time section,
It is determined by electrical measured value and with reference to the comparison between electrical measured value：It whether there is foam in fluid container.
It is achieved in such technological merit：When liquid (especially water) is present in fluid container, realizes and fluid is held
Foam in device is effectively detected.It is ensured by opening delivery valve in first time section and closing supply valve：By liquid
Body (especially water) is exported from fluid container, also, can be determined and the relevant ginseng of air in unfilled fluid container
Examine electrical measured value.In the second time section, the liquid (especially water) for the amount that determines is supplied to fluid container, until reference electrode
Endpoint and endpoint and the liquid (especially water) of first electrode be in and contact.Herein, the end point of liquid supply especially can be with
By being confirmed by the change of the electrical measured value detected by first electrode when being contacted with liquid.In third time section,
Second electrode can detect electrical measured value, also, foam detecting device can be by the electrical measured value and with reference to electrical measured value
Comparison and determine：It whether there is foam in fluid container.When floatation of foam is on the surface of liquid, it is arranged in the first electricity
Second electrode above pole can effectively determine out in the case where electrical measured value changes：With the presence or absence of bubble in fluid container
Foam.
In the other advantageous embodiment of washings care appliance, foam detecting device is configured to：It is detecting
(Deaktivieren) mist generating device and/or ozone generation cell are deactivated during foam in fluid container.
It is achieved in such technological merit：It being capable of convection current by mist generating device and/or deactivating for ozone generation cell
Foam in body container executes effectively detection.Member is generated particularly by deactivated mist generating device and/or by deactivated ozone
Without generating water mist, either these water mists of ozone or ozone may interfere with by foam-generating device fluid container part
Foam is detected.
In the other advantageous embodiment of washings care appliance, washings care appliance has for heating
The heating element of cleaning solution in alkali liquor container and control device for controlling heating element, wherein this control device structure
It makes and is used for：When detecting the foam in fluid container by foam detecting device, the heating power of heating element is reduced.
It is achieved in such technological merit：In the foam being advantageously detected by foam detecting device in fluid container
In the case of can reduce the heating power of heating element, thus, it is possible to prevent more foams from being formed in fluid container, and by
This can prevent foam volume from further increasing in fluid container.
In the other advantageous embodiment of washings care appliance, washings care appliance has for making washing
The drum motor of roller rotation and the control device for controlling drum motor, wherein this control device is configured to：When by
When foam detecting device detects the foam in fluid container, the rotating speed of drum motor is reduced.
It is achieved in such technological merit：In the foam being advantageously detected by foam detecting device in fluid container
In the case of can reduce the rotation of cleaning-drum.It thus prevents：More foams are held by the rotation of cleaning-drum in fluid
Rise (aufgeschlagen) in device, thus prevents more foams from entering in fluid container.
In the other advantageous embodiment of washings care appliance, washings care appliance has for that will wash
The lye pump that liquid is pumped out from alkali liquor container and the control device for controlling lye pump, wherein this control device construction is used
In：When detecting the foam in fluid container by foam detecting device, lye pump is activated.
It is achieved in such technological merit：By activating lye pump after the foam in detecting fluid container, lead to
It crosses this lye pump foam can effectively to be pumped out from the alkali liquor container of washings care appliance, thus also reduces fluid
The amount of foam in container.
In the other advantageous embodiment of washings care appliance, fluid container have for by liquid from fluid
Derived delivery valve and the control device for controlling delivery valve in container, and this control device is configured to：When by steeping
When foam detection device detects the foam in fluid container, delivery valve is activated.
It is achieved in such technological merit：When detecting the foam in fluid container by foam detecting device, pass through
Activation delivery valve can effectively remove foam from fluid container.
According to the second aspect of the invention, the task is used to detect foam in washings care appliance by a kind of
Method solves, wherein washings care appliance has：Alkali liquor container for receiving washing alkali liquid；It is arranged in alkali liquor container
Cleaning-drum for receiving washings；With connected in terms of fluid technique with alkali liquor container for carrying out taste removal to washings
Deodorizing device, wherein there is deodorizing device the mist for producing ozoniferous ozone generation cell and for generating water mist to generate dress
It sets, and, wherein mist generating device has the fluid container for receiving fluid, wherein deodorizing device has for detecting
The foam detecting device of foam in fluid container, wherein the foam detecting device includes electrical measurement element, the electrical measurement member
Part is in the fluid in fluid container and contacts, also, the method includes：By electrical measurement element testing in fluid container
The electrical measured value of fluid；By the relatively more detected electrical measured value of foam detecting device and refer to electrical measured value；It is examined with by foam
Device is surveyed to determine by electrical measured value and with reference to the comparison between electrical measured value：It whether there is foam in fluid container.
It is achieved in such technological merit：By foam detecting device by electrical measured value and with reference between electrical measured value
Compare and can realize the foam in fluid container and be effectively detected.
In the other advantageous embodiment of the method, fluid container has to be held for supplying a liquid to fluid
Supply valve in device and for by liquid from fluid container derived delivery valve, wherein washings care appliance, which has, to be used for
Control the control device of the supply valve and the delivery valve, also, the method includes：In first time section, close
Supply valve and delivery valve is opened, to export liquid from fluid container, wherein electrical measurement element after liquid export with
Liquid in fluid container is not at contact, and electrical measured value is referred to detect；In the second of and then first time section
Between in section, by the electrical measured value of fluid of the electrical measurement element testing in fluid container；And passed through by foam detecting device
It electrical measured value and is determined with reference to the comparison between electrical measured value：It whether there is foam in fluid container.
It is achieved in such technological merit：It is unfilled in fluid container, by this method can realize by
Foam detection is effectively performed in foam detecting device.
In the other advantageous embodiment of the method, fluid container has to be held for supplying a liquid to fluid
Supply valve in device and for delivery valve, washings care appliance to have described for controlling derived from fluid container by liquid
The control device of supply valve and the delivery valve, electrical measurement element have reference electrode, first electrode and second electrode, wherein
Reference electrode and the endpoint of first electrode are all arranged in fluid container below the endpoint of second electrode, also, this method packet
It includes：In first time section, closes supply valve and opens delivery valve, to export liquid from fluid container, wherein
Reference electrode, first electrode and second electrode are not in the liquid in fluid container after liquid export and contact, to
Detection refers to electrical measured value；In the second time section of and then first time section, closes delivery valve and open supply
Valve contacts supplying liquid to fluid container until the endpoint of first electrode is in liquid；In and then the second time
In the third time section of section, by the electrical measured value of fluid of the second electrode detection in fluid container；And it is detected by foam
Device is determined by electrical measured value and with reference to the comparison between electrical measured value：It whether there is foam in fluid container.
It is achieved in such technological merit：There are in the case of liquid in fluid container, pass through the method energy
Foam detection is effectively performed by foam detecting device in enough realize.
Description of the drawings
Other embodiment is explained with reference to the drawings.Attached drawing is shown：
Fig. 1 shows the schematical diagram of washings care appliance；
Fig. 2 shows the schematical diagrams of the deodorizing device in washings care appliance；
Fig. 3 shows the schematical diagram of the fluid container in the deodorizing device of washings care appliance；
Fig. 4 shows the schematical diagram of the fluid container in the deodorizing device of washings care appliance；With
Fig. 5 shows the flow of the method for detecting foam in washings care appliance.
Specific implementation mode
Fig. 1 shows the schematical diagram of general washings care appliance 100 (such as washing machine).Washings nursing device
Tool 100 includes pouring shell 101, and detergent or other liquids can be injected into described pour in shell 101.Washings protects
Reason utensil 100 includes the door 103 for loading washings care appliance 100 with washings.
Fig. 2 shows the schematical diagrams of the deodorizing device in washings care appliance 100 (such as washing machine).Washing
There is object care appliance 100 alkali liquor container 105, the alkali liquor container 105 to have for receiving washings 109, rotatable twelve Earthly Branches
The cleaning-drum 107 held.In addition, washings care appliance 100 has the deodorizing device 111 for carrying out taste removal to washings,
The deodorizing device 111 has the mist generating device for producing ozoniferous ozone generation cell 113 and for generating water mist
115.For this purpose, water is imported by feeding pipeline 121 in mist generating device 115 from water infeed portion 117, the mist generating device
115 are controlled by supply valve 119.It is produced by the element (such as passing through ultrasonic nebulizer, such as piezoelectric oscillator) of mist generating device 115
Raw tiny water droplet, is formed the mist of water droplet by the water droplet.
The circuit system for carrying out taste removal to washings 109 is shown in FIG. 2.In the first step, air is from lye
Container 105 is sent to ozone abater 125 by air pipe line 123.Ozone abater 125 may include activated carbon mistake
Filter makes the ozone in air inactivate (such as by being converted to carbon dioxide) by the active carbon filter.In addition, ozone
Cancellation element 125 can be configured to：Ozone and other odoriferous substance are removed from washings care appliance 100.Ozone
Cancellation element 125 can realize the pressure-exchange with ambient enviroment by cutout portion 127 and extraneous air are in contact.
Purified air is then fed to ventilation device 131 by ventilation device intake line 129, and the ventilation device 131 will
Air is supplied to ozone generation cell 113 by ventilation device discharge line 133.Ozone generation cell 113 generates a certain amount of
Ozone, and generated ozone is supplied by ozone intake line 135 to mist generating device 115, it is certain to obtain
The water mist containing ozone of amount.Advantageous amount, the water mist containing ozone water mist intake line is passed through by mist generating device 115
137 supply to alkali liquor container 105.Liquid can be supplied from mist generating device 115 by output pipe 138 to alkali liquor container 105,
Wherein, liquid is controlled to the supply in alkali liquor container 105 by delivery valve 139.
Fig. 3 shows the schematical diagram of the fluid container in the deodorizing device of washings care appliance.It is filled in taste removal
Set the fluid container 141 being disposed in 111 for receiving fluid (especially water), wherein the especially mist of fluid container 141 generates dress
Set 115 part.In addition, deodorizing device 111 has appliance area 143, control is especially disposed in the appliance area 143
Electronic unit and ozone generation cell 113.Fluid container 141 is particularly by infeed pipeline 121 with supply valve 119 in fluid skill
Connection, fluid (especially water) to be supplied in fluid container 141, and passes through output pipe 138 and delivery valve in terms of art
139 connect in terms of fluid technique to export fluid from fluid container 141.In addition, fluid container 141 and water mist input pipe
Road 137 connects in terms of fluid technique, being supplied water mist (or ozone) to washings care appliance from fluid container 141
Washings 109 in 100 cleaning-drum 107.
Especially there is deodorizing device 111 foam detecting device 151, the foam detecting device 151 to be configured to：Detection exists
Foam in fluid container 141.Foam detecting device 151 has electrical measurement element 153, the electrical measurement element 153 and fluid
Fluid in container 141 is in contact, and the electrical measurement element 153 is configured to：Detect the stream in fluid container 141
The electrical measured value of body.Electrical measurement element 153 has reference electrode 155, first electrode 157 and second electrode 159, described with reference to electricity
Pole 155, first electrode 157 and second electrode 159 are all in fluid and contact, and are configured to：Detection is contacted with being in
Relevant, the different electrical measured value of fluid.For example, electrical measurement element 153 may include voltage sensor (especially potentiometric sensors
Device), the voltage sensor is configured to：Detect between reference electrode 155 and first electrode 157 (or reference electrode 155 and the
Between two electrodes 159) voltage differences (especially potential difference).Herein, in reference electrode 155 and first or second electrode 157,
Voltage differences between 159 can be related with the fluid for contacting these electrodes 155,157,159.For example, being deposited when in fluid container 141
In air, liquid (especially water) or foam, detected voltage differences may be different.Therefore, can pass through
Foam detecting device 151 is according to true by the comparison between the electrical measured value detected by electrical measurement element and reference electrical measured value
It makes：It whether there is foam in fluid container 141.Because the foam entered in fluid container 141 may thrust one's way, until arriving
Up to ozone generation cell 113 (or until reaching the active carbon filter of deodorizing device 111), therefore for deodorizing device 111
Importantly, detecting foam in fluid container 141 by foam detecting device 151 for trouble-free operation, to then by
Washings care appliance 100 executes foam removal process.
In being used for foam according to fig. 3 and knowing method for distinguishing, foam identification is executed by foam detecting device 151, and water is not deposited
It is in fluid container 141, and ozone generation cell 113 (or mist generating device 115) is not activated.Herein, it is washing
Before the heating process of object care program starts, delivery valve 139 is opened by the control device of washings care appliance 100 and is closed
Supply valve 119 is closed, to remove water from fluid container 141, and water is prevented to be supplied to fluid container 141 again.At this
In, water level decreasing in fluid container 141 to such degree so that the electrode 155,157,159 of electrical measurement element 153 with
Water is not at contact.After exporting water, electrical measurement element 153 is in the air in fluid container 141 and contacts, and examines
It measures and refers to electrical measured value.By detected reference electrical measured value, foam detecting device 151 confirms original state：Stream
Foam is not present in body container 141.
If there is foam in the alkali liquor container 105 of washings care appliance 100 and foam passing through water mist input pipe
Road 137 enters in fluid container 141, then foam is particularly likely to rise the first foam levels 161 until in fluid container 141
Or until the second foam levels 163.If foam rises until at the first foam levels 161, foam and first electrode 157
In contact.If foam rises until the second foam levels 163, foam with first electrode 157 and at second electrode 159
In contact.In these electrodes 155, in the case that 157,159 are in contact with foam, can be detected by electrical measurement element 153
Electrical measured value.When supply valve 119 is closed, foam detecting device 151 especially passes through electrical measurement in the case where electrical measured value changes
It magnitude and is detected with reference to the comparison between electrical measured value：It whether there is foam in fluid container 141.
Fig. 4 shows the schematical diagram of the fluid container in the deodorizing device of washings care appliance.Deodorizing device
111 have the mist generating device 115 with the fluid container 141 for being ready for use on receiving stream body (especially water).Fluid container 141 especially has
Have and feed pipeline 121 and output pipe 138, which matches to be ready for use on is supplied to fluid appearance by fluid (especially water)
Supply valve 119 in device 141, the output pipe 138 is with being ready for use on the delivery valve 139 derived from the fluid container 141 by fluid.This
Outside, fluid container 141 feeds pipeline 137 with water mist and is connected in terms of fluid technique, to hold water mist (or ozone) from fluid
Device 141 is supplied to the washings 109 in the cleaning-drum 107 of washings care appliance 100.
The foam detecting device 151 of deodorizing device 111 can detect the foam in fluid container 141.Foam detection dress
151 are set with the electrical measurement element 153 for being equipped with reference electrode 155, first electrode 157 and second electrode 159, the reference electricity
Pole, first electrode and second electrode are configured to：According to the fluid in contact, different electrical measured values is detected.Herein,
First electrode 157 and second electrode 159 Bu Tong reach in fluid container 141 far, wherein the endpoint 165 of first electrode 157 has
There is the first height, wherein the endpoint 167 of second electrode 159 has the second height, and, wherein in the first and second height
Between there is differences in height 169.
In knowing method for distinguishing for foam according to Fig. 4, foam identification is carried out by foam detecting device 151, wherein by water
It imported into fluid container 141, and ozone generation cell 113 (or mist generating device 115) does not activate.Herein, it is washing
Before the heating process of object care program starts, in first time section, beaten by the control device of washings care appliance 100
It opens delivery valve 139 and closes supply valve 119, to remove water from fluid container 141, and prevent water from then flowing into stream again
In body container 141.Herein, the water level decreasing in fluid container 141 is to such degree so that the electricity of electrical measurement element 153
Pole 155,157,159 is not at water to be contacted.After exporting water, foam detecting device 151 detects original state：Fluid
Foam is not present in container 141.
In the second time section of and then first time section, supply valve 119 is opened by control device, and in advance
Determine that the water of amount is supplied to fluid container 141, wherein the water of the predetermined volume is selected in this way so that in fluid container 141
Middle formation water level 171, the water level 171 are enough the endpoint for making water touch first electrode 157 165 just.In first electrode 157
In the case of being contacted with water, such as the change of electrical measured value can be detected by electrical measurement element 153.However, because the second electricity
The endpoint 167 of pole 159 is higher arranged relative to the endpoint 165 of first electrode 157, therefore, when the water tool in fluid container 141
When having water level 171, second electrode 159 is not at water to be contacted, and then second electrode 159 can't detect the change of electrical measured value.
When there is foam in the alkali liquor container 105 of washings care appliance 100 and foam passes through water mist intake line 137
Enter in fluid container 141 and foam suspension be when on liquid, the foam in fluid container 141 be particularly likely to rise until
The second foam levels 163 in fluid container 141.When foam rises up to the second foam levels 163, foam and second electrode
159 in contact.In the third time section of and then the second time section, in the feelings of second electrode 159 and foam contacting
Under condition, the change of electrical measured value can be detected by electrical measurement element 153.Foam detecting device 151 is according to electrical measured value as a result,
Change and detect：There are foams in fluid container 141.
After carrying out foam detection by foam detecting device 151, water is moved by dump valve 147 from fluid container 141
It removes, and stops foam detection.
It herein, can be by the way that water be supplied more than once (especially for two according to the duration of main washing process
To six periods) repeat foam detection process, wherein and this repetition especially executes during the heating period.
By that according to fig. 3 or after the method for Fig. 4 detects foam by foam detecting device 151, can start not
Same foam processing method defoams to remove.Herein, it is particularly possible to suspend heating process, reduce even pause cleaning-drum
Pump of 107 rotation, starting for pumping out water, to reduce foam levels, and prevents foam to re-enter into taste removal
In device 111, and/or delivery valve 138 is activated in addition, foam and/or water is discharged.
Herein, it is alternatively possible to the foam detecting device 151 of deodorizing device 111 not activated, wherein mist generates dress
Set 115 and ozone generation cell 113 normally run.
Fig. 5 shows to be used to detect with Fig. 4 according to fig. 3 the foam in the deodorizing device 111 of washings care appliance 100
The flow of method 200.Method 200 includes：The electrical measurement of the fluid in 201 fluid containers 141 is detected by electrical measurement element 153
Value；Electrical measured value detected by 203 is compared by foam detecting device 151 and refers to electrical measured value；By foam detecting device 151
205 are determined by electrical measured value and with reference to the comparison between electrical measured value：It whether there is foam in fluid container 141.
All features explained and shown in combination with single embodiment of the invention can be set with different combinations
It sets in theme according to the present invention, to realize its advantageous effect simultaneously.
Protection scope of the present invention by interest field provide and do not explained in the description or in the accompanying drawings
Shown feature limitation.
Reference numerals list
100 washings care appliances
101 pour shell
103
105 alkali liquor containers
107 cleaning-drums
109 washings
111 deodorizing devices
113 ozone generation cells
115 mist generating devices
117 water infeed portions
119 supply valves
121 feed pipeline
123 air pipe lines
125 ozone abaters
127 cutout portions
129 ventilation device intake lines
131 ventilation devices
133 ventilation device output pipes
135 ozone intake lines
137 water mist intake lines
138 outgoing lines
139 delivery valves
141 fluid containers
143 appliance areas
151 foam detecting devices
153 electrical measurement elements
155 reference electrodes
157 first electrodes
159 second electrodes
161 first foam levels
163 second foam levels
The endpoint of 165 first electrodes
The endpoint of 167 second electrodes
169 differences in height
171 water levels
200 method for detecting foam
The electrical measured value of 201 detection fluids
203 compare the electrical measured value of fluid having detected that and refer to electrical measured value
205 determine in fluid container with the presence or absence of foam
207 close supply valve
209 open delivery valve
211 close delivery valve
213 open supply valve
Claims (15)
1. a kind of washings care appliance (100), has：
Alkali liquor container (105) for receiving washing alkali liquid,
Cleaning-drum (107) for receiving washings (109), the cleaning-drum are arranged in the alkali liquor container (105)
In, and
Deodorizing device (111) for carrying out taste removal to the washings (109), the deodorizing device and the alkali liquor container
(105) it is connected in terms of fluid technique,
Wherein, the deodorizing device (111) has：
It is used to produce ozoniferous ozone generation cell (113), and
Mist generating device (115) for generating water mist, and
Wherein, the mist generating device (115) has the fluid container (141) for receiving fluid,
It is characterized in that,
The deodorizing device (111) has foam detecting device (151), for detecting the foam in the fluid container (141),
Wherein, the foam detecting device (151) includes electrical measurement element (153), and the electrical measurement element holds with the fluid
Fluid in device (141) is in contact,
Wherein, the electrical measurement element (153) is configured to：The electrical measured value of the fluid in the fluid container (141) is detected,
And
Wherein, the foam detecting device (151) is configured to：Detected electrical measured value is carried out with reference to electrical measured value
Compare, and described determines by the electrical measured value and with reference to the comparison between electrical measured value：The fluid container
(141) it whether there is foam in.
2. washings care appliance (100) according to claim 1,
It is characterized in that,
The electrical measurement element (153) has reference electrode (155) and multiple electrodes (157,159), the multiple electrode and institute
The fluid stated in fluid container (141) is in contact.
3. washings care appliance (100) according to claim 1 or 2,
It is characterized in that,
The electrical measurement element (153) is configured to：Detect the voltage in the fluid container (141) and by the voltage with ginseng
Voltage is examined to be compared, and
The foam detecting device (151) is configured to：It is determined by the comparison between the voltage and the reference voltage
Go out：It whether there is foam in the fluid container (141).
4. washings care appliance (100) according to any one of the preceding claims,
It is characterized in that,
The electrical measurement element (153) is configured to：The reference is detected in the fluid container (141) unfilled state
Electrical measured value.
5. washings care appliance (100) according to any one of the preceding claims,
It is characterized in that,
The foam detecting device (151) is configured to：When the electrical measured value of fluid refers to electrical measured value different from described
When, especially when the electrical measured value differs an electric difference with the reference electrical measured value, determine：The fluid container
(141) there are foams in.
6. washings care appliance (100) according to any one of the preceding claims,
It is characterized in that,
The fluid container (141) has：
It is used to supply a liquid to the supply valve (119) in the fluid container (141), and
For by liquid delivery valve (139) derived from the fluid container (141),
The washings care appliance (100) has the control for controlling the supply valve (145) and the delivery valve (139)
Device,
The control device is configured to：In first time section, closes the supply valve (145) and open the export
Valve (139), liquid to be exported from the fluid container (141),
Wherein, the electrical measurement element (153) is not at the liquid in the fluid container (141) contacts, to detect ginseng
Electrical measured value is examined,
The electrical measurement element (153) is configured to：In and then the second time section of the first time section, detection
The electrical measured value of fluid in the fluid container (141), also,
The foam detecting device (151) is configured to：In second time section, by the electrical measured value with it is described
It is determined with reference to the comparison between electrical measured value：It whether there is foam in the fluid container (141).
7. washings care appliance (100) according to any one of claim 1 to 5,
It is characterized in that,
The fluid container (141) has：
It is used to supply a liquid to the supply valve (145) in the fluid container (141), and
For by liquid delivery valve (139) derived from the fluid container (141),
The washings care appliance (100) has the control for controlling the supply valve (145) and the delivery valve (139)
Device,
The electrical measurement element (153) has：
Reference electrode (155),
First electrode (157), and
Second electrode (159),
Wherein, the endpoint of the reference electrode (155) and the endpoint (165) of the first electrode (157) are in the fluid container
(141) it is arranged in below the endpoint (167) of the second electrode (159),
The control device is configured to：In first time section, closes the supply valve (145) and open the export
Valve (139), to make liquid be flowed out from the fluid container (141),
Wherein, the reference electrode (155), the first electrode (157) and the second electrode (159) not with the fluid
Liquid in container (141) is in contact, and electrical measured value is referred to detect,
The control device is configured to：In and then the second time section of the first time section, led described in closing
Go out valve (139) and open the supply valve (145), supplying liquid to the fluid container (141), until described
The endpoint (165) of one electrode (157) is in the liquid and contacts,
The second electrode (159) is configured to：In the and then third time section of second time section, institute is detected
The electrical measured value of the fluid in fluid container (141) is stated, and
The foam detecting device (151) is configured to：In the third time section, by the electrical measured value with it is described
It is determined with reference to the comparison between electrical measured value：It whether there is foam in the fluid container (141).
8. washings care appliance (100) according to any one of the preceding claims,
It is characterized in that,
The foam detecting device (151) is configured to：During the foam in detecting the fluid container (141), institute is deactivated
State mist generating device (115) or the ozone generation cell (113).
9. washings care appliance (100) according to any one of the preceding claims,
It is characterized in that,
The washings care appliance (100) has：
Heating element for heating the cleaning solution in the alkali liquor container (105), and
Control device for controlling the heating element,
Wherein, the control device is configured to：When detecting the fluid container by the foam detecting device (151)
(141) when foam in, the heating power of the heating element is reduced.
10. washings care appliance (100) according to any one of the preceding claims,
It is characterized in that,
The washings care appliance (100) has：
It is used to make the drum motor that the cleaning-drum (107) of the washings care appliance (100) rotates, and
Control device for controlling the drum motor,
Wherein, the control device is configured to：When detecting the fluid container by the foam detecting device (151)
(141) when foam in, the rotating speed of the drum motor is reduced.
11. washings care appliance (100) according to any one of the preceding claims,
It is characterized in that,
The washings care appliance (100) has：
Lye pump for pumping out cleaning solution from the alkali liquor container (105), and
Control device for controlling the lye pump,
Wherein, the control device is configured to：When detecting the fluid container by the foam detecting device (151)
(141) when foam in, the lye pump is activated.
12. washings care appliance (100) according to any one of the preceding claims,
It is characterized in that,
The fluid container (141) has：
For by liquid delivery valve (139) derived from the fluid container (141), and
Control device for controlling the delivery valve (139), also,
The control device is configured to：It is detected in the fluid container (141) when by the foam detecting device (151)
Foam when, activate the delivery valve (139).
13. method (200) of the one kind for being detected to the foam in washings care appliance (100),
Wherein, the washings care appliance (100) has：
Alkali liquor container (105) for receiving washing alkali liquid,
Cleaning-drum (107) for receiving washings, the cleaning-drum are arranged in the alkali liquor container (105), and
Deodorizing device (111) for carrying out taste removal to washings (109), the deodorizing device and the alkali liquor container (105)
It is connected in terms of fluid technique,
Wherein, the deodorizing device (111) has：
It is used to produce ozoniferous ozone generation cell (113), and
Mist generating device (115) for generating water mist, and
Wherein, the mist generating device (115) has the fluid container (141) for receiving fluid,
It is characterized in that,
The deodorizing device (111) has the foam detecting device for detecting the foam in the fluid container (141)
(151),
The foam detecting device (151) includes electrical measurement element (153), the electrical measurement element and the fluid container
(141) fluid in is in contact, also,
The method (200) includes：
The electrical measured value of the fluid in (201) described fluid container (141) is detected by the electrical measurement element (153),
Electrical measured value detected by (203) is compared by the foam detecting device (151) and refers to electrical measured value, and
The electrical measured value and described true with reference to the comparison between electrical measured value is passed through by the foam detecting device (151)
Fixed (205)：It whether there is foam in the fluid container (141).
14. according to the method for claim 13 (200),
It is characterized in that,
The fluid container (141) has：
It is used to supply a liquid to the supply valve (119) in the fluid container (141), and
For by liquid delivery valve (139) derived from the fluid container (141),
The washings care appliance (100) has the control for controlling the supply valve (119) and the delivery valve (139)
Device, and
The method (200) includes：
In first time section, closes (207) described supply valve (119) and open (209) described delivery valve (139), use
With by liquid from the fluid container (141) export, wherein liquid export after, the electrical measurement element (153) with it is described
Liquid in fluid container (141) is not at contact, and electrical measured value is referred to detect,
In and then the second time section of the first time section, (201) are detected by the electrical measurement element (153)
The electrical measured value of fluid in the fluid container (141), and
The electrical measured value and described true with reference to the comparison between electrical measured value is passed through by the foam detecting device (151)
Fixed (205)：It whether there is foam in the fluid container (141).
15. according to the method for claim 13 (200),
It is characterized in that,
The fluid container (141) has：
It is used to supply a liquid to the supply valve (119) in the fluid container (141), and
For by liquid delivery valve (139) derived from the fluid container (141),
The washings care appliance (100) has the control for controlling the supply valve (119) and the delivery valve (139)
Device,
The electrical measurement element (153) has：
Reference electrode (155),
First electrode (157), and
Second electrode (159),
Wherein, the endpoint of the reference electrode (155) and the endpoint (165) of the first electrode (157) are in the fluid container
(141) it is arranged in below the endpoint (167) of the second electrode (159), and
The method (200) includes：
In first time section, closes (207) described supply valve (119) and open (209) described delivery valve (139), use
Liquid to be exported from the fluid container (141), wherein after liquid export, the reference electrode (155), described the
One electrode (157) and the second electrode (159) are not in the liquid in the fluid container (141) to be contacted, to examine
It surveys and refers to electrical measured value,
In and then the second time section of the first time section, closes (211) described delivery valve (139) and beat
(213) described supply valve (119) is opened, supplying liquid to the fluid container (141), until the first electrode
(157) endpoint (165) is in liquid and contacts,
In the and then third time section of second time section, (201) institute is detected by the second electrode (159)
The electrical measured value of the fluid in fluid container (141) is stated, and
The electrical measured value and described true with reference to the comparison between electrical measured value is passed through by the foam detecting device (151)
Fixed (205)：It whether there is foam in the fluid container (141).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016201450.1 | 2016-02-01 | ||
| DE102016201450.1A DE102016201450B3 (en) | 2016-02-01 | 2016-02-01 | Laundry care device with a foam detection device |
| PCT/EP2016/082804 WO2017133826A1 (en) | 2016-02-01 | 2016-12-29 | Laundry-care appliance comprising a foam detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108603322A true CN108603322A (en) | 2018-09-28 |
| CN108603322B CN108603322B (en) | 2021-05-04 |
Family
ID=57681603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680080702.2A Active CN108603322B (en) | 2016-02-01 | 2016-12-29 | Washing nursing appliance with foam detection device |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3411519B1 (en) |
| CN (1) | CN108603322B (en) |
| DE (1) | DE102016201450B3 (en) |
| WO (1) | WO2017133826A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455614A (en) * | 2020-04-09 | 2020-07-28 | 海信（山东）冰箱有限公司 | Drum washing machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7453646B2 (en) | 2019-12-26 | 2024-03-21 | 青島海爾洗衣机有限公司 | deodorizing device |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3411519B1 (en) | 2020-09-30 |
| WO2017133826A1 (en) | 2017-08-10 |
| DE102016201450B3 (en) | 2017-02-09 |
| CN108603322B (en) | 2021-05-04 |
| EP3411519A1 (en) | 2018-12-12 |
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