CN106123994A - Air purifier and for its humidification disk condensate tank of dehumidifier and method - Google Patents
Air purifier and for its humidification disk condensate tank of dehumidifier and method Download PDFInfo
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- CN106123994A CN106123994A CN201610769354.1A CN201610769354A CN106123994A CN 106123994 A CN106123994 A CN 106123994A CN 201610769354 A CN201610769354 A CN 201610769354A CN 106123994 A CN106123994 A CN 106123994A
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- tds
- humidification disk
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- water level
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- 238000000034 method Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 117
- 239000000523 sample Substances 0.000 claims abstract description 61
- 238000001514 detection method Methods 0.000 claims abstract description 59
- 238000006243 chemical reaction Methods 0.000 claims abstract description 40
- 238000012360 testing method Methods 0.000 claims description 11
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Air Humidification (AREA)
Abstract
The invention discloses a kind of air purifier and for its humidification disk condensate tank of dehumidifier and method, described device includes: TDS module, TDS module includes that TDS probe and TDS detect signal conversion unit, TDS probe correspondence humidification disk is arranged, whether TDS probe has water to generate detection signal in being used for detecting humidification disk, TDS detection signal conversion unit is connected with TDS probe, and TDS detection signal conversion unit carries out conversion process to generate water level detecting data to detection signal；Electric-controlled plate, electric-controlled plate is connected with TDS detection signal conversion unit, and electric-controlled plate is according to the water level information in water level detecting data acquisition humidification disk.Thus realized effective detection of water level in humidification disk by the TDS probe being correspondingly arranged with humidification disk, and simple in construction, be easily achieved, accuracy high.
Description
Technical field
The present invention relates to household electrical appliance technical field, particularly to a kind of humidification disk water level detecting for air purifier
Device, a kind of air purifier and a kind of humidification disk level testing methods for air purifier.
Background technology
Air purifier, also known as " air cleaner ", air cleaner, depurator, refers to absorption, decomposes or convert
Various air pollutants (generally comprise the finishing pollution of PM2.5, dust, pollen, abnormal flavour, formaldehyde etc, antibacterial, anaphylactogen
Deng), thus it is effectively improved the product of air cleanliness.
At present, the height of the humidification disk of most of air purifiers is the least, and water level detecting is relatively difficult, therefore clean at air
Change in device, eliminate the detection to humidification disk water level.This way brings inconvenience to the water lev el control of humidification disk, it is impossible to
Well meet the demand of product diversification.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in above-mentioned technology.
To this end, the first of the present invention purpose is that proposing a kind of humidification disk water level detecting for air purifier fills
Put, it is possible to it is right to be realized by TDS (Total Dissolved Solids, the total dissolved solidss) probe being correspondingly arranged with humidification disk
Effective detection of water level in humidification disk, and simple in construction, be easily achieved, accuracy high.
Second object of the present invention is to propose a kind of air purifier.
Third object of the present invention is to propose a kind of humidification disk level testing methods for air purifier.
For achieving the above object, a kind of humidification disk water for air purifier that first aspect present invention embodiment proposes
Level detecting apparatus, including: TDS module, described TDS module includes that TDS probe and TDS detect signal conversion unit, and described TDS visits
For answering humidification disk to arrange, whether described TDS probe has water to generate detection signal in being used for detecting described humidification disk, described
TDS detection signal conversion unit is connected with described TDS probe, and described detection signal is entered by described TDS detection signal conversion unit
Row conversion process is to generate water level detecting data；Electric-controlled plate, described electric-controlled plate is connected with described TDS detection signal conversion unit,
Described electric-controlled plate is according to the water level information in humidification disk described in described water level detecting data acquisition.
The humidification disk condensate tank of dehumidifier for air purifier according to embodiments of the present invention, adds TDS probe correspondence
Wet dish is arranged, and then, by whether having water in TDS probe in detecting humidification disk to generate detection signal, and detects signal by TDS
Converting unit carries out conversion process to generate water level detecting data to detection signal, and electric-controlled plate adds according to water level detecting data acquisition
Water level information in wet dish.Thus realized effective inspection of water level in humidification disk by the TDS probe being correspondingly arranged with humidification disk
Survey, and simple in construction, be easily achieved, accuracy high.
According to one embodiment of present invention, the TDS that the water level in described humidification disk is arranged with corresponding described humidification disk visits
The position of pin is associated.
According to one embodiment of present invention, described TDS probe is fixed in described humidification disk, and described TDS detects signal
Converting unit is connected with described TDS probe pluggablely.
According to one embodiment of present invention, described humidification disk include adding water pond, be arranged on described in add in water pond humidification
Cotton and support the support of described humidification disk, wherein, described TDS probe be arranged on described in add on the inwall of water pond.
For achieving the above object, second aspect present invention embodiment proposes a kind of air purifier, and it includes above-mentioned
Humidification disk condensate tank of dehumidifier for air purifier.
The air purifier of the embodiment of the present invention, by above-mentioned humidification disk condensate tank of dehumidifier, it is possible to realize humidification
Effective detection of water level in dish, such that it is able to realize effective control etc. of water level in humidification disk.
For achieving the above object, third aspect present invention embodiment proposes a kind of humidification disk water for air purifier
Position detecting method, comprises the following steps: by whether having water in TDS probe in detecting humidification disk to generate detection signal；To described
Detection signal carries out conversion process to generate water level detecting data；According in humidification disk described in described water level detecting data acquisition
Water level information.
The humidification disk level testing methods for air purifier according to embodiments of the present invention, by TDS probe in detecting
Whether there is water in humidification disk to generate detection signal, then, detection signal carried out conversion process to generate water level detecting data,
Finally according to the water level information in water level detecting data acquisition humidification disk.Thus realize effective detection of water level in humidification disk,
And method is simple, be easily achieved, accuracy is high.
According to one embodiment of present invention, the TDS that the water level in described humidification disk is arranged with corresponding described humidification disk visits
The position of pin is associated.
According to one embodiment of present invention, described TDS probe is fixed in described humidification disk.
Accompanying drawing explanation
Fig. 1 is the square frame signal of the humidification disk condensate tank of dehumidifier for air purifier according to embodiments of the present invention
Figure；
Fig. 2 is the structural representation of humidification disk in air purifier according to an embodiment of the invention；And
Fig. 3 is the flow chart of the humidification disk level testing methods for air purifier according to embodiments of the present invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Describe the humidification disk water level for air purifier proposed according to embodiments of the present invention with reference to the accompanying drawings to examine
Survey device, air purifier and the humidification disk level testing methods for air purifier.
Fig. 1 is the square frame signal of the humidification disk condensate tank of dehumidifier for air purifier according to embodiments of the present invention
Figure.As it is shown in figure 1, this humidification disk condensate tank of dehumidifier being used for air purifier includes: TDS module 10 and electric-controlled plate 20.
Wherein, TDS module 10 includes that TDS probe 11 and TDS detects signal conversion unit 12, the corresponding humidification of TDS probe 11
Dish 30 is arranged, and whether TDS probe 11 has water to generate detection signal in being used for detecting humidification disk 30.TDS detection signal conversion is single
Unit 12 is connected with TDS probe 11, and TDS detection signal conversion unit 12 carries out conversion process to generate water level detecting to detection signal
Data.Electric-controlled plate 20 is connected with TDS detection signal conversion unit 12, and electric-controlled plate 20 is according to water level detecting data acquisition humidification disk 30
Interior water level information.
Specifically, owing to our water used in everyday is not pure water, but with the presence of certain electron ion, and
Electro-ionic concentration is the biggest, and the corresponding signal of telecommunication is the strongest, and in atmosphere, owing to can't detect electron ion, the corresponding signal of telecommunication
Smaller, therefore, it can electro-ionic concentration is converted to the signal of telecommunication, then the size by judging the signal of telecommunication judges to add
Whether water is had in wet dish 30.
Specifically, corresponding for TDS probe 11 humidification disk 30 can be arranged, and will by TDS detection signal conversion unit 12
In water, electron ion concentration is converted to the signal of telecommunication, and whether electric-controlled plate 20 has water in judging humidification disk 30 according to this signal of telecommunication.Such as, when
When TDS probe 11 is in water, TDS detection signal conversion unit 12 is by the signal of telecommunication higher for output, and now electric-controlled plate 20 is permissible
Water is had in judging humidification disk 30；When TDS probe 11 is not in water (being i.e. in air), TDS detects signal conversion unit
12 is zero by exporting the signal of telecommunication of the lowest signal of telecommunication or output, and now electric-controlled plate 20 does not has in may determine that humidification disk 30
Water, such that it is able to realize effective detection of water level in humidification disk, and simple in construction, be easily achieved, accuracy high.
It should be noted that in an embodiment of the present invention, owing to the implementation of TDS has multiple, therefore, will be according to tool
The TDS probe 11 of body determines the relation between the signal of telecommunication and the water level of TDS detection signal conversion unit 12 output.
According to one embodiment of present invention, the TDS probe 11 that the water level in humidification disk 30 is arranged with corresponding humidification disk 30
Position be associated.
It is to say, the height of the water level in the humidification disk 30 that can detect as required determines that adding TDS probe 11 exists
Installation site in humidification disk 30.Such as, when being 0 when needing the water level in detection humidification disk 30, probe 11 infinitely can be pasted
Nearly humidification disk 30 adds the bottom of water pond or water tank；When needing to detect the water level in humidification disk 30 and being h (h ＞ 0), can be by
Probe 11 with add water pond or Water in Water Tanks position height h flushes.Concrete installation site and how to install can be according to humidification disk
Concrete structure determine.
According to one embodiment of present invention, TDS probe 11 can be fixed in humidification disk 30, and TDS detection signal conversion is single
Unit 12 is connected with TDS probe 11 pluggablely.
Specifically, it is contemplated that humidification disk 30 is dismountable, therefore, it can TDS probe 11 is fixed on humidification disk 30
On, and plug type connecting line can be used to be attached between TDS detection signal conversion unit 12 and TDS probe 11, thus
Facilitate the dismounting of humidification disk 30 so that the accessory structure of humidification disk 30 is more flexible.
According to one embodiment of present invention, as in figure 2 it is shown, humidification disk 30 can include adding water pond 31, be arranged on and add water pond
Humidification cotton 32 in 31 and the support 33 of support humidification disk 30, wherein, TDS probe 11 may be provided on the inwall adding water pond 31.
Specifically, TDS probe 11 is horizontally fixed on by the height of water level added in water pond 31 that can detect as required
Add on the inwall of water pond 31, then, by plug type connecting line, TDS detected signal conversion unit 12 and TDS probe 11 phase
Even, meanwhile, can also be connected by plug type connecting line between electric-controlled plate 20 with TDS detection signal conversion unit 12, thus
When humidification disk 30 is without using, humidification disk 30 and TDS detection signal conversion unit 12 can be removed so that humidification disk 30
Accessory structure is more flexible.
In sum, the humidification disk condensate tank of dehumidifier for air purifier according to embodiments of the present invention, TDS is visited
For answering humidification disk to arrange, then, by whether having water in TDS probe in detecting humidification disk to generate detection signal, and TDS is passed through
Detection signal conversion unit carries out conversion process to generate water level detecting data to detection signal, and electric-controlled plate is according to water level detecting number
According to the water level information obtained in humidification disk.Thus realized water level in humidification disk by the TDS probe being correspondingly arranged with humidification disk
Effective detection, and simple in construction, be easily achieved, accuracy high.
Fig. 3 is the flow chart of the humidification disk level testing methods for air purifier according to embodiments of the present invention.As
Shown in Fig. 3, this humidification disk level testing methods being used for air purifier comprises the following steps:
Whether S1, by having water to generate detection signal in TDS probe in detecting humidification disk.
S2, carries out conversion process to generate water level detecting data to detection signal.
S3, according to the water level information in water level detecting data acquisition humidification disk.
Specifically, owing to our water used in everyday is not pure water, but with the presence of certain electron ion, and
Electro-ionic concentration is the biggest, and the corresponding signal of telecommunication is the strongest, and in atmosphere, owing to can't detect electron ion, the corresponding signal of telecommunication
Smaller, therefore, it can electro-ionic concentration is converted to the signal of telecommunication, then the size by judging the signal of telecommunication judges to add
Whether water is had in wet dish.
Specifically, TDS probe correspondence humidification disk can be arranged, and be turned by the TDS detection signal being connected with TDS probe
Changing unit and electron ion concentration in water is converted to the signal of telecommunication, whether electric-controlled plate has water in judging humidification disk according to this signal of telecommunication.Example
As, when TDS probe is in water, TDS detection signal conversion unit is by the signal of telecommunication higher for output, and now electric-controlled plate can be sentenced
Water is had in disconnected humidification disk；When TDS probe is not in water (being i.e. in air), TDS detection signal conversion unit will output
The lowest signal of telecommunication or the signal of telecommunication of output are zero, do not have water in now electric-controlled plate may determine that humidification disk.Such that it is able to it is real
Now to effective detection of water level in humidification disk, and method is simple, be easily achieved, accuracy is high.
According to one embodiment of present invention, the position of the TDS probe that the water level in humidification disk is arranged with corresponding humidification disk
It is associated.
It is to say, the height of the water level in the humidification disk that can detect as required determines adds TDS probe at humidification
Installation site in dish.Such as, when being 0 when needing the water level in detection humidification disk, probe infinitely can be pressed close in humidification disk
Add the bottom of water pond or water tank；When needing to detect the water level in humidification disk and being h (h ＞ 0), can by probe with add water pond or
Person's Water in Water Tanks position height h flushes.Concrete installation site and how to install and can determine according to the concrete structure of humidification disk.
According to one embodiment of present invention, TDS probe can be fixed in humidification disk, it addition, in actual applications, and TDS
Plug type connecting line can be used to be attached between detection signal conversion unit and TDS probe, thus facilitate humidification disk
Dismounting so that the accessory structure of humidification disk is more flexible.
The humidification disk level testing methods for air purifier according to embodiments of the present invention, by TDS probe in detecting
Whether there is water in humidification disk to generate detection signal, then, detection signal carried out conversion process to generate water level detecting data,
Finally according to the water level information in water level detecting data acquisition humidification disk.Thus realize effective detection of water level in humidification disk,
And method is simple, be easily achieved, accuracy is high.
Additionally, embodiments of the invention also proposed a kind of air purifier, it includes above-mentioned for air purifier
Humidification disk condensate tank of dehumidifier.
The air purifier of the embodiment of the present invention, by above-mentioned humidification disk condensate tank of dehumidifier, it is possible to realize humidification
Effective detection of water level in dish, such that it is able to realize effective control etc. of water level in humidification disk.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " up time
Pin ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must
Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
Individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be that machinery connects
Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (8)
1. the humidification disk condensate tank of dehumidifier for air purifier, it is characterised in that including:
TDS module, described TDS module includes that TDS probe and TDS detect signal conversion unit, described TDS probe correspondence humidification disk
Arranging, whether described TDS probe has water to generate detection signal in being used for detecting described humidification disk, described TDS detection signal turns
Changing unit to be connected with described TDS probe, described TDS detection signal conversion unit carries out conversion process with life to described detection signal
Become water level detecting data；
Electric-controlled plate, described electric-controlled plate is connected with described TDS detection signal conversion unit, and described electric-controlled plate is according to described water level detecting
Water level information in humidification disk described in data acquisition.
2. the humidification disk condensate tank of dehumidifier for air purifier as claimed in claim 1, it is characterised in that described humidification
Water level in dish is associated with the position of the TDS probe that corresponding described humidification disk is arranged.
3. the humidification disk condensate tank of dehumidifier for air purifier as claimed in claim 1 or 2, it is characterised in that described
TDS probe is fixed in described humidification disk, and described TDS detection signal conversion unit is connected with described TDS probe pluggablely.
4. the humidification disk condensate tank of dehumidifier for air purifier as claimed in claim 1, it is characterised in that described humidification
Dish includes adding water pond, be arranged on described in add in water pond humidification cotton and support the support of described humidification disk, wherein, described TDS visits
Pin adds on the inwall of water pond described in being arranged on.
5. an air purifier, it is characterised in that include as according to any one of claim 1-4 for air purifier
Humidification disk condensate tank of dehumidifier.
6. the humidification disk level testing methods for air purifier, it is characterised in that comprise the following steps:
By whether having water in TDS probe in detecting humidification disk to generate detection signal；
Described detection signal is carried out conversion process to generate water level detecting data；
According to the water level information in humidification disk described in described water level detecting data acquisition.
7. the humidification disk level testing methods for air purifier as claimed in claim 6, it is characterised in that described humidification
Water level in dish is associated with the position of the TDS probe that corresponding described humidification disk is arranged.
The humidification disk level testing methods for air purifier the most as claimed in claims 6 or 7, it is characterised in that described
TDS probe is fixed in described humidification disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610769354.1A CN106123994A (en) | 2016-08-30 | 2016-08-30 | Air purifier and for its humidification disk condensate tank of dehumidifier and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610769354.1A CN106123994A (en) | 2016-08-30 | 2016-08-30 | Air purifier and for its humidification disk condensate tank of dehumidifier and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106123994A true CN106123994A (en) | 2016-11-16 |
Family
ID=57273162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610769354.1A Pending CN106123994A (en) | 2016-08-30 | 2016-08-30 | Air purifier and for its humidification disk condensate tank of dehumidifier and method |
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| CN (1) | CN106123994A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003106890A (en) * | 2001-09-27 | 2003-04-09 | Fuji Photo Film Co Ltd | Drive controller for liquid level sensor |
| CN102207319A (en) * | 2011-05-10 | 2011-10-05 | 九阳股份有限公司 | Atomizing humidification device and water level detection method thereof |
| CN202149657U (en) * | 2010-08-03 | 2012-02-22 | 曼尼托沃食品服务有限公司 | System for producing transparent ice |
| CN104315696A (en) * | 2014-07-03 | 2015-01-28 | 青岛海尔空调器有限总公司 | Base of air treatment system and air treatment system |
| CN105091974A (en) * | 2015-08-28 | 2015-11-25 | 段林玲 | Water level detection device and water level detection method thereof |
| CN206038087U (en) * | 2016-08-30 | 2017-03-22 | 芜湖美的厨卫电器制造有限公司 | Air purifier and be used for its humidification dish water level detection device |
-
2016
- 2016-08-30 CN CN201610769354.1A patent/CN106123994A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003106890A (en) * | 2001-09-27 | 2003-04-09 | Fuji Photo Film Co Ltd | Drive controller for liquid level sensor |
| CN202149657U (en) * | 2010-08-03 | 2012-02-22 | 曼尼托沃食品服务有限公司 | System for producing transparent ice |
| CN102207319A (en) * | 2011-05-10 | 2011-10-05 | 九阳股份有限公司 | Atomizing humidification device and water level detection method thereof |
| CN104315696A (en) * | 2014-07-03 | 2015-01-28 | 青岛海尔空调器有限总公司 | Base of air treatment system and air treatment system |
| CN105091974A (en) * | 2015-08-28 | 2015-11-25 | 段林玲 | Water level detection device and water level detection method thereof |
| CN206038087U (en) * | 2016-08-30 | 2017-03-22 | 芜湖美的厨卫电器制造有限公司 | Air purifier and be used for its humidification dish water level detection device |
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Application publication date: 20161116 |
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