CN106872391A - Anti-agglomeration, anti-dust are exempted to disturb humidity sensor - Google Patents
Anti-agglomeration, anti-dust are exempted to disturb humidity sensor Download PDFInfo
- Publication number
- CN106872391A CN106872391A CN201710035075.7A CN201710035075A CN106872391A CN 106872391 A CN106872391 A CN 106872391A CN 201710035075 A CN201710035075 A CN 201710035075A CN 106872391 A CN106872391 A CN 106872391A
- Authority
- CN
- China
- Prior art keywords
- light path
- dust
- light
- seal closure
- surface water
- 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.)
- Granted
Links
- 239000000428 dust Substances 0.000 title claims abstract description 204
- 238000005054 agglomeration Methods 0.000 title claims abstract description 30
- 239000002352 surface water Substances 0.000 claims abstract description 160
- 238000012544 monitoring process Methods 0.000 claims abstract description 141
- 230000003287 optical effect Effects 0.000 claims description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 2
- 230000009102 absorption Effects 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Exempt to disturb humidity sensor the present invention relates to a kind of anti-agglomeration, anti-dust, including：Surface water offsets light path (1)；Surface water offsets light path light source (2)；Surface water offsets light path light source seal closure (3)；Monitoring light path (4)；Monitoring light path light source (5)；Monitoring light path light source seal closure (6)；Dust compensates light path (7) in light path；Dust compensates light path light source (8) in light path；Dust compensates light path light source seal closure (9) in light path；Sensor encapsulating shell (10)；Surface water offsets light path two ends fixture (11)；The anti-agglomeration of present invention offer, anti-dust are exempted to disturb humidity sensor, can remove detecting head surface moisture film, dust interference and dust interference in environment.
Description
Technical field
The present invention relates to humidity sensor technical field, exempt from interference more specifically to a kind of anti-agglomeration, anti-dust wet
Degree sensor.
Background technology
Humidity sensor can be divided into by the electrical quantities classification that element is exported：Resistance-type, condenser type, frequency type etc.；By material
Can then be divided into：Ceramic-type, organic polymer formula, semiconductor-type, electrolyte type etc.；By whether relevant with hydrone affinity point
For：Water affinity type humidity sensor and non-aqueous affinity type.
Hydrone is easy to absorption in body surface and penetrates into this characteristic referred to as the hydrone affinity, water of solid interior
After molecule adheres to or immerses humidity functional material, the electrical property for making functional material by physical absorption or chemisorbed produces change
Change, the strain rule changed using the property such as impedance of material is made dew cell.In addition, using some material moisture absorptions,
Different physical effects can also measure humidity in drying.
The humidity sensor unrelated with hydrone affinity is referred to as non-hydrone affinity type sensor, its main measurement
Principle has：Using the different air of humidity, its heat transfer different characteristic determines humidity；Using microwave or infrared ray in difference
Absorbed energy is different when being propagated in the air of humidity, and the energy of loss is relevant with the humidity in tested air to be surveyed with this
Determine humidity.
At present, with the development of society, the popularization of intelligent appliance, the demand to sensor is increasing, including wet
Degree sensor.Humidity sensor, species is various, respectively has advantage and disadvantage, but have a universal problem：Exactly continue one section in high humidity
After being drenched after time or by rainwater, transducer probe face can condense, and after after ambient humidity decline, detecting head surface moisture film is not
It is dry, Sensor monitoring to data remain at high humidity state, there is larger error with actual environment humidity.
At present, humidity sensor, has two, 1. inside hygroscopic material under the conditions of high humidity environment or non-hygroscopic material
Under the price adjustment of saturated humidity environment, popping one's head in back has certain condensate, or is popped one's head in after by extraneous water drenching and have on material surface
Moisture, if now the humidity of surrounding air starts to reduce, but the moisture on or surface internal due to probe can not be dried at once, have
Larger is delayed, thus the humidity for measuring just return substantially it is higher；If now ambient humidity starts to raise quickly, then ring again
The reduction of border humidity is raised and cannot objectively reflected on a sensor.2. the accumulation for passing inductor surface dirt etc. can be led
The moisture absorption distortion of wet sensitive type probe is caused, or causes the absorption loss amount monitoring distortion through the air such as microwave, infrared.This two
Individual problem can all cause humidity sensor larger error under given conditions, influence using effect.
Therefore, prior art is urgently greatly improved.
The content of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, there is provided a kind of anti-agglomeration, anti-
Dust exempts to disturb humidity sensor, including：Surface water offsets light path；Surface water offsets light path light source；Surface water offsets light path light
Source seal closure；Monitoring light path；Monitoring light path light source；Monitoring light path light source seal closure；Dust compensation light path in light path；Ash in light path
Dirt compensates light path light source；Dust compensation light path light source seal closure in light path；Sensor encapsulating shell；Surface water is offset light path two ends and is consolidated
Determine part；Surface water offsets light path two ends fixture；Surface water offsets light path optical filter；Surface water offsets light path light-sensitive element；Table
Face water offsets light path receiving terminal seal closure；Monitoring light path two ends fixture；Monitoring light path two ends fixture；Monitoring light path filters
Piece；Monitoring light path light-sensitive element；Monitoring light path receiving terminal seal closure；Dust compensation light path two ends fixture in light path；In light path
Dust compensation light path two ends fixture；Dust compensation light path optical filter in light path；Dust compensation light path light-sensitive element in light path；Light
Dust compensation light path receiving terminal seal closure in journey, first surface water offsets light path two ends fixture and second surface water offsets light path
The surface water that two ends fixture is formed offsets light path, and surface water is offset light path light source and is fixed on surface water counteracting light path light source sealing
Outer end inside cover, input power cord and output data line stay in surface water and offset outside light path light source seal closure；Surface water is offset
Light path light source seal closure offsets light path two ends fixture with first surface water and second surface water counteracting light path two ends fixture is straight
Connect in succession, first surface water offsets light path two ends fixture and second surface water offsets light path two ends fixture for grid or Kong Zhen
The circular web frame of row；First surface water offsets light path two ends fixture and second surface water offsets light path two ends fixture and table
Face water is offset light path receiving terminal seal closure and is directly connected to；Surface water is offset light path optical filter and is fixed on surface water counteracting light path reception
In the seal closure of end；Surface water is offset light path light-sensitive element and is fixed on surface water counteracting light path receiving terminal seal closure inside outer end, position
Put and offset outside light path optical filter in surface water, input power cord and output data line stay in surface water to offset light path receiving terminal close
Outside sealing cover；
Monitoring light path is the space that the first monitoring light path two ends fixture and the second monitoring light path two ends fixture are surrounded；Prison
Light-metering road light source is fixed on the outer end inside monitoring light path light source seal closure, and input power cord and output data line stay in monitoring light
Outside the light source seal closure of road；Monitoring light path light source seal closure and the first monitoring light path two ends fixture and the second monitoring light path two ends are consolidated
Determine part to be directly connected to, the first monitoring light path two ends fixture and the second monitoring light path two ends fixture are grid or the circle of hole array
Shape web frame；First monitoring light path two ends fixture and the second monitoring light path two ends fixture and monitoring light path receiving terminal seal closure
It is directly connected to；Monitoring light path optical filter is fixed on surface water offsets in light path receiving terminal seal closure；Monitoring light path light-sensitive element is consolidated
Offset light path receiving terminal seal closure inside outer end due to surface water, position outside monitoring light path optical filter, input power cord and
Output data line is stayed in outside monitoring light path receiving terminal seal closure；
Dust compensation light path is dust in dust compensation light path two ends fixture in the first light path and the second light path in light path
The space that compensation light path two ends fixture is surrounded；Dust compensation light path light source fixes dust compensation light path light in the light path in light path
Outer end inside the seal closure of source, input power cord and output data line are stayed outside dust compensation light path light source seal closure in the light path；
Dust compensates ash in light path two ends fixture and the second light path during dust compensates light path light source seal closure and the first light path in light path
Dirt compensation light path two ends fixture is directly connected to, and dust compensates dust in light path two ends fixture and the second light path in the first light path
Compensation light path two ends fixture is the circular web frame of grid or hole array；Dust compensation light path two ends fixture in first light path
It is directly connected to dust compensation light path receiving terminal seal closure in light path with dust compensation light path two ends fixture in the second light path；Light
Dust compensation light path optical filter is fixed in light path in dust compensation light path receiving terminal seal closure in journey；Dust compensation light in light path
Road light-sensitive element is fixed on dust compensation light path receiving terminal seal closure inside outer end in light path, and dust compensates light in the light path for position
Road optical filter outside, input power cord and output data line are stayed outside dust compensation light path receiving terminal seal closure in the light path；
Light path light source seal closure, monitoring light path light source seal closure, light are offset with surface water in sensor encapsulating shell two ends inside
Dust compensation light path light source seal closure, surface water offset light path receiving terminal seal closure, monitoring light path receiving terminal seal closure, light in journey
The outer end of dust compensation light path receiving terminal seal closure is connected in journey, and by internal power line, data wire by drawing in sensing
Power interface and data-interface are formed on device encapsulating shell, the encirclement first surface water of sensor encapsulating shell is offset light path two ends and fixed
Part, second surface water counteracting light path two ends fixture, the first monitoring light path two ends fixture, the second monitoring light path two ends are fixed
Dust compensation light path two ends fixture part is grid in dust compensation light path two ends fixture, the second light path in part, the first light path
The web frame of lattice or array hole.
In anti-agglomeration of the present invention, anti-dust exempt from interference humidity sensor, dust compensation light path in the light path
It is consistent with monitoring optical path length.
In anti-agglomeration of the present invention, anti-dust exempt from interference humidity sensor, made using water vapor absorption peak infrared light
It is hygrometry medium.
In anti-agglomeration of the present invention, anti-dust exempt from interference humidity sensor, the monitoring light path, surface water are offset
The cross sectional shape of dust compensation light path is consistent with sectional area in light path, light path.
In anti-agglomeration of the present invention, anti-dust exempt from interference humidity sensor, the surface water offsets light path light source
Dust compensation light path light source sealing hood shape is consistent in seal closure, monitoring light path light source seal closure, light path, is cylinder, and
Side is contacted with light path for high transparency material.
In anti-agglomeration of the present invention, anti-dust exempt from interference humidity sensor, the surface water is offset light path and is received
Dust compensation light path receiving terminal sealing hood shape is consistent in end seal closure, monitoring light path receiving terminal seal closure, light path, is cylinder
Shape, and side is contacted with light path for high transparency material.
In anti-agglomeration of the present invention, anti-dust exempt from interference humidity sensor, seal closure surface water offsets light
Dust compensation light path light source seal closure, surface water are offset light path and are connect in road light source seal closure, monitoring light path light source seal closure, light path
The section of dust compensation light path receiving terminal seal closure and surface water in receiving end seal closure, monitoring light path receiving terminal seal closure, light path
Dust compensation light path cross sectional shape is consistent in offsetting light path, monitoring light path, light path, and sectional area is equal.
In anti-agglomeration of the present invention, anti-dust exempt from interference humidity sensor, the surface water offsets light path light source
The light for sending is then passed through surface water counteracting light after surface water offsets light path light source seal closure, then by surface water counteracting light path
Light path light-sensitive element is offset behind the side of road receiving terminal seal closure by surface water after surface water offsets light path optical filter again to connect
Receive.
In anti-agglomeration of the present invention, anti-dust exempt from interference humidity sensor, what the monitoring light path light source sent
Light through monitoring light path light source seal closure after again by monitoring light path be then passed through monitor light path receiving terminal seal closure side after again
Light path light-sensitive element is monitored after monitoring light path optical filter to receive.
In anti-agglomeration of the present invention, anti-dust exempt from interference humidity sensor, dust compensation light path in the light path
The light that light source sends by light path dust compensation light path light source seal closure after again by light path in dust compensation light path be then passed through
In light path behind the side of dust compensation light path receiving terminal seal closure again after dust in light path compensates light path optical filter by light path
Middle dust compensation light path light-sensitive element is received.
Implement anti-agglomeration of the invention, anti-dust to exempt to disturb humidity sensor, have the advantages that：Humidity sensor
Detecting head surface moisture film, dust interference and dust interference in environment can be removed.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the module diagram of the first embodiment that anti-agglomeration of the present invention, anti-dust are exempted to disturb humidity sensor.
In figure, 1- surfaces water offsets light path；2- surfaces water offsets light path light source；3- surfaces water offsets the sealing of light path light source
Cover；4- monitors light path；5- monitors light path light source；6- monitors light path light source seal closure；Dust compensation light path in 7- light paths；8- light paths
Middle dust compensates light path light source；Dust compensation light path light source seal closure in 9- light paths；10- sensor encapsulating shells；11- surfaces water is supported
Delustring road two ends fixture；12- surfaces water offsets light path two ends fixture；13- surfaces water offsets light path optical filter；14- surfaces
Water offsets light path light-sensitive element；15- surfaces water offsets light path receiving terminal seal closure；16- monitoring light paths two ends fixture；17- is supervised
Light-metering road two ends fixture；18- monitors light path optical filter；19- monitoring light path light-sensitive element 20- monitoring light path receiving terminal sealings
Cover；Dust compensation light path two ends fixture in 21- light paths；Dust compensation light path two ends fixture in 22- light paths；In 23- light paths
Dust compensates light path optical filter；Dust compensation light path light-sensitive element in 24- light paths；Dust compensation light path receiving terminal in 25- light paths
Seal closure.
Specific embodiment
Fig. 1 is referred to, is that the module of the first embodiment that anti-agglomeration of the present invention, anti-dust are exempted to disturb humidity sensor is illustrated
Figure.As shown in figure 1, in the anti-agglomeration, anti-dust that first embodiment of the invention is provided exempt from interference humidity sensor, at least wrapping
Include, surface water offsets light path 1；Surface water offsets light path light source 2；Surface water offsets light path light source seal closure 3；Monitoring light path 4；Prison
Light-metering road light source 5；Monitoring light path light source seal closure 6；Dust compensation light path 7 in light path；Dust compensation light path light source 8 in light path；
Dust compensation light path light source seal closure 9 in light path；Sensor encapsulating shell 10；Surface water offsets light path two ends fixture 11；Surface
Water offsets light path two ends fixture 12；Surface water offsets light path optical filter 13；Surface water offsets light path light-sensitive element 14；Surface water
Offset light path receiving terminal seal closure 15；Monitoring light path two ends fixture 16；Monitoring light path two ends fixture 17；Monitoring light path filters
Piece 18；Monitoring light path light-sensitive element 19；Monitoring light path receiving terminal seal closure 20；Dust compensation light path two ends fixture in light path
21；Dust compensation light path two ends fixture 22 in light path；Dust compensation light path optical filter 23 in light path；Dust compensation light in light path
Road light-sensitive element 24；Dust compensation light path receiving terminal seal closure 25 in light path, first surface water offsets light path two ends fixture 11
The surface water counteracting light path 1 that light path two ends fixture 12 is formed is offset with second surface water, surface water is offset light path light source 2 and fixed
The outer end inside light path light source seal closure 3 is offset in surface water, input power cord and output data line stay in surface water and offset light
Outside road light source seal closure 3；Surface water is offset light path light source seal closure 3 and first surface water and offsets light path two ends fixture 11 and the
Two surface water are offset light path two ends fixture 12 and are directly connected to, and first surface water offsets light path two ends fixture 11 and second surface
Water offsets the circular web frame that light path two ends fixture 12 is grid or hole array；First surface water offsets light path two ends fixture
11 and second surface water offset light path two ends fixture 12 and be directly connected to surface water counteracting light path receiving terminal seal closure 15；Surface
Water counteracting light path optical filter 13 is fixed on surface water offsets in light path receiving terminal seal closure 15；Surface water offsets light path light-sensitive element
14 are fixed on surface water offsets the inside outer end of light path receiving terminal seal closure 15, and position is offset outside light path optical filter 13 in surface water
Side, input power cord and output data line stay in surface water and offset outside light path receiving terminal seal closure 15；
Monitoring light path 4 is the sky that the first monitoring light path two ends fixture 16 and the second monitoring light path two ends fixture 17 are surrounded
Between；Monitoring light path light source 5 is fixed on the outer end inside monitoring light path light source seal closure 6, and input power cord and output data line are stayed
Outside monitoring light path light source seal closure 6；The monitoring light path two ends fixture 16 of monitoring light path light source seal closure 6 and first and the second prison
Light-metering road two ends fixture 17 is directly connected to, and the first monitoring light path two ends fixture 16 and second monitors light path two ends fixture 17
It is grid or the circular web frame of hole array；First monitoring light path two ends fixture 16 and the second monitoring light path two ends fixture 17
It is directly connected to monitoring light path receiving terminal seal closure 20；It is close that monitoring light path optical filter 18 is fixed on surface water counteracting light path receiving terminal
In sealing cover 15；Monitoring light path light-sensitive element 19 is fixed on surface water offsets the inside outer end of light path receiving terminal seal closure 15, and position exists
The outside of monitoring light path optical filter 18, input power cord and output data line are stayed in outside monitoring light path receiving terminal seal closure 20；
Dust compensation light path 7 is ash in dust compensation light path two ends fixture 21 in the first light path and the second light path in light path
The space that dirt compensation light path two ends fixture 22 is surrounded；Dust compensation light path light source 8 fixes dust compensation in the light path in light path
Outer end inside light path light source seal closure 9, input power cord and output data line stay dust compensation light path light source in the light path close
Outside sealing cover 9；Dust compensates light path two ends fixture 21 and the in dust compensation light path light source seal closure 9 and the first light path in light path
Dust compensation light path two ends fixture 22 is directly connected in two light paths, the He of dust compensation light path two ends fixture 21 in the first light path
Dust compensation light path two ends fixture 22 is the circular web frame of grid or hole array in second light path；Dust is mended in first light path
Dust compensation light path two ends fixture 22 connects with dust compensation light path in light path in repaying light path two ends fixture 21 and the second light path
Receiving end seal closure 25 is directly connected to；Dust compensation light path optical filter 23 is fixed on dust compensation light path receiving terminal in light path in light path
In seal closure 25；Dust compensation light path light-sensitive element 24 is fixed on dust compensation light path receiving terminal seal closure 25 in light path in light path
Internal outer end, in the light path outside dust compensation light path optical filter 23, input power cord and output data line stay in light path for position
Outside middle dust compensation light path receiving terminal seal closure 25；
Light path light source seal closure 3, monitoring light path light source seal closure are offset with surface water in the two ends of sensor encapsulating shell 10 inside
6th, dust compensation light path light source seal closure 9, surface water counteracting light path receiving terminal seal closure 15, monitoring light path receiving terminal is close in light path
The outer end of dust compensation light path receiving terminal seal closure 25 is connected in sealing cover 20, light path, and internal power line, data wire are passed through
Draw and power interface and data-interface are formed on sensor encapsulating shell 10, the encirclement first surface water of sensor encapsulating shell 10 is supported
Delustring road two ends fixtures 11, second surface water is offset light path two ends fixture 12, first and monitors light path two ends fixture 16, the
Dust compensation in dust compensation light path two ends fixture 21, the second light path in two monitoring light path two ends fixtures 17, the first light path
The part of light path two ends fixture 22 is the web frame of grid or array hole.
Dust compensation light path 7 is consistent with the monitoring length of light path 4 in the light path.Using water vapor absorption peak infrared light as wet
Degree determines medium.The monitoring light path 4, surface water offset cross sectional shape and the section of dust compensation light path 7 in light path 1, light path
Product is consistent.The surface water offsets dust compensation light path light in light path light source seal closure 3, monitoring light path light source seal closure 6, light path
The shape of source seal closure 9 is consistent, is cylinder, and side is contacted with light path for high transparency material.The surface water offsets light path
The shape one of dust compensation light path receiving terminal seal closure 25 in receiving terminal seal closure 15, monitoring light path receiving terminal seal closure 20, light path
Cause, be cylinder, and side is contacted with light path for high transparency material.Seal closure surface water offsets light path light source seal closure
3rd, dust compensation light path light source seal closure 9, surface water offsets the sealing of light path receiving terminal in monitoring light path light source seal closure 6, light path
The section of dust compensation light path receiving terminal seal closure 25 and surface water are supported in cover 15, monitoring light path receiving terminal seal closure 20, light path
Dust compensation light path 7 cross sectional shape is consistent in delustring road 1, monitoring light path 4, light path, and sectional area is equal.The surface water is offset
The light that light path light source 2 sends is then passed through after surface water offsets light path light source seal closure 3, then by surface water counteracting light path 1
Surface water is supported after surface water offsets light path optical filter 13 by surface water again after offsetting the side of light path receiving terminal seal closure 15
Delustring road light-sensitive element 14 is received.The light that the monitoring light path light source 5 sends passes through again by after monitoring light path light source seal closure 6
Monitoring light path 4 is monitored light after monitoring light path optical filter 18 again after being then passed through the side of monitoring light path receiving terminal seal closure 20
Road light-sensitive element 19 is received.The light that dust compensation light path light source 8 sends in the light path is by dust compensation light path light in light path
Dust during light path 7 is then passed through light path is compensated after source seal closure 9 by dust in light path again compensate light path receiving terminal seal closure 25
Behind side again by after dust compensation light path optical filter 23 in light path by light path in dust compensation light path light-sensitive element 24 receive.
Surface water offsets the infrared light sources water vapor absorption of light path light source 2, monitoring light path light source 5 using 1.93 mum wavelengths
Peak；Dust compensation light path light source 8 uses the substantially non-absorbent light source of 1.80 mum wavelength steam in light path.
Assuming that the length that surface water offsets light path 1 is L1, the length of dust compensation light path 7 is in monitoring light path 4, light path
L2；Dust compensation light path light source 8 sends setted wavelength light during surface water offsets light path light source 2, monitoring light path light source 5, light path
Light intensity is I0。
Surface water is offset the light that light path light source 2 sends and offsets light path light source seal closure 3 by surface water and offset by surface water
Intensity is changed into I after the outer surface moisture film of light path light source seal closure 3 or dust weaken011, I011It is L by length1Surface water support
Intensity is changed into I behind delustring road 1012Reach surface water and offset the outside of light path receiving terminal seal closure 15, I012Light is offset through surface water
Behind the side of road receiving terminal seal closure 15 moisture film or dust shadow on the outer surface of light path receiving terminal seal closure 15 are offset by surface water
Ring, it is I to weaken013, I013Offset after light path optical filter 13 filters out other non-setted wavelength light by surface water and supported by surface water
Delustring road light-sensitive element 14 is received.
The light that monitoring light path light source 5 sends is monitored the appearance of light path light source seal closure 6 by monitoring light path light source seal closure 6
Intensity is changed into I after face moisture film or dust weaken021, I021It is L by length2Monitoring light path 4 after intensity be changed into I022Reach prison
The outside of light-metering road receiving terminal seal closure 20, I022Light path monitored is received after through the side of monitoring light path receiving terminal seal closure 20
It is I that moisture film or dust influence on the outer surface of seal closure 20 of end weaken023, I023Other are filtered out by monitoring light path optical filter 18
Light path light-sensitive element 19 is monitored after non-setted wavelength light to receive.
The light that dust compensation light path light source 8 sends in light path compensates light path light source seal closure 9 by light by dust in light path
Intensity is changed into I after the outer surface moisture film of dust compensation light path light source seal closure 9 or dust weaken in journey031, I031By with monitoring
The same length of light path 4 is L2Light path in dust compensation light path 7 after be changed into I032, I032Dust compensation light path is received through in light path
Influenceed by the moisture film or dust on the outer surface of dust compensation light path receiving terminal seal closure 25 in light path after holding the side of seal closure 25
It is I to weaken033, I033After dust compensation light path optical filter 23 in light path filters out other non-setted wavelength light by light path in ash
Dirt compensation light path light-sensitive element 24 is received.
The relation of these variables is：
Have for the light that surface water counteracting light path 1 sends：
ε1、ε2Respectively surface water is offset light path light source seal closure 3 and is offset on light path receiving terminal seal closure 15 with surface water
Moisture film and dust mixing extinction coefficient, x and y are respectively and related to seal closure printing opacity side external surface moisture film and dust thickness are
Number, c is relative humidity.
Because surface water offsets light path light source seal closure 3 and monitoring light path light source seal closure 6, surface water is offset light path and is received
End seal closure 15 has consistent material and shape with the element of monitoring light path receiving terminal seal closure 20, and physicochemical properties are consistent,
Again in the consistent environmental condition, thus thereon moisture film be assume that with dust thickness it is consistent.Therefore,
Have for the light that monitoring light path light source 5 sends：
Six formulas of summary, eliminate x and y, ε1And ε2, draw：
ln(I023/I013)=k ε c (L1-L2) (7)
I.e.：
Wherein I023、I013Respectively surface water offsets what is measured on light path light-sensitive element 14, monitoring light path light-sensitive element 19
Light intensity, k is the constant that can in advance demarcate (or calculating), and ε is dry air extinction coefficient, L1、L2After being formulated for instrument
Know length.So, humidity can be determined according to (8) formula.
In order to eliminate the influence of dust in light path, dust compensation light path in light path, dust compensation light path light in light path are set
With the substantially non-absorbent wavelength launching light of steam on source 8, so reach dust compensation light path light-sensitive element 24 in light path being measured
Be lost before just by dust on element and light path absorb or reflection loss light, can be mended with the waste of the road light
Repay surface water and offset light path light source 2, the element of monitoring light path light source 5 and send loss affected with dust in corresponding optical path after light
Amount.Therefore, can be to the I in (8) formula023、I013Make following amendment：
I023=I023+I0-I033 (9)
I013=I013+(I0-I033)×L1/L2 (10)
Utilizing (9), the amendment of (10) can eliminate dust, the influence of dust in light path.
The present invention passes through the design of above example, is supported by setting wetness sensor surface water counteracting light path, surface water
Dust compensates light path during delustring road has optical path difference, setting light path with humidity detection light path, has reached anti-agglomeration, anti-dust and has exempted to do
The effect disturbed.
The present invention is described according to specific embodiment, but it will be understood by those skilled in the art that is not departing from this hair
During bright scope, various change and equivalent can be carried out.Additionally, the specific occasion to adapt to the technology of the present invention, can be to the present invention
Many modifications are carried out without deviating from its protection domain.Therefore, the present invention is not limited to specific embodiment disclosed herein, and including
All embodiments for dropping into claims.
Claims (10)
1. a kind of anti-agglomeration, anti-dust are exempted to disturb humidity sensor, it is characterised in that including：Surface water offsets light path (1)；Table
Face water offsets light path light source (2)；Surface water offsets light path light source seal closure (3)；Monitoring light path (4)；Monitoring light path light source (5)；
Monitoring light path light source seal closure (6)；Dust compensates light path (7) in light path；Dust compensates light path light source (8) in light path；In light path
Dust compensates light path light source seal closure (9)；Sensor encapsulating shell (10)；First surface water offsets light path two ends fixture (11)；
Second surface water offsets light path two ends fixture (12)；Surface water offsets light path optical filter (13)；It is photosensitive that surface water offsets light path
Element (14)；Surface water offsets light path receiving terminal seal closure (15)；First monitoring light path two ends fixture (16)；Second monitoring light
Road two ends fixture (17)；Monitoring light path optical filter (18)；Monitoring light path light-sensitive element (19)；Monitoring light path receiving terminal seal closure
(20)；Dust compensates light path two ends fixture (21) in first light path；Dust compensation light path two ends fixture in second light path
(22)；Dust compensates light path optical filter (23) in light path；Dust compensates light path light-sensitive element (24) in light path；Dust is mended in light path
Light path receiving terminal seal closure (25) is repaid, first surface water offsets light path two ends fixture (11) and second surface water offsets light path two
The surface water that end fixture (12) is formed offsets light path (1), and surface water is offset light path light source (2) and is fixed on surface water counteracting light path
The internal outer end of light source seal closure (3), input power cord and output data line stay in surface water and offset light path light source seal closure (3)
Outward；Surface water is offset light path light source seal closure (3) and offsets light path two ends fixture (11) and second surface water with first surface water
Offset light path two ends fixture (12) to be directly connected to, first surface water offsets light path two ends fixture (11) and second surface water is supported
Delustring road two ends fixture (12) are grid or the circular web frame of hole array；First surface water offsets light path two ends fixture
(11) offset light path two ends fixture (12) and directly connect with surface water counteracting light path receiving terminal seal closure (15) with second surface water
Connect；Light path optical filter (13) of surface water offsetting is fixed on surface water to be offset in light path receiving terminal seal closure (15)；Surface water is offset
Light path light-sensitive element (14) is fixed on surface water offsets the internal outer end of light path receiving terminal seal closure (15), and position is offset in surface water
Light path optical filter (13) outside, input power cord and output data line stay in surface water and offset light path receiving terminal seal closure (15)
Outward；
Monitoring light path (4) is surrounded for the first monitoring light path two ends fixture (16) and the second monitoring light path two ends fixture (17)
Space；Monitoring light path light source (5) is fixed on the internal outer end of monitoring light path light source seal closure (6), input power cord and output number
Monitoring light path light source seal closure (6) is stayed according to line outward；Monitoring light path light source seal closure (6) and the first monitoring light path two ends fixture
(16) it is directly connected to the second monitoring light path two ends fixture (17), the first monitoring light path two ends fixture (16) and second is monitored
Light path two ends fixture (17) are grid or the circular web frame of hole array；First monitoring light path two ends fixture (16) and second
Monitoring light path two ends fixture (17) is directly connected to monitoring light path receiving terminal seal closure (20)；Monitoring light path optical filter (18) is solid
Offset in light path receiving terminal seal closure (15) due to surface water；Surface water counteracting light path is fixed in monitoring light path light-sensitive element (19)
The internal outer end of receiving terminal seal closure (15), position is in monitoring light path optical filter (18) outside, input power cord and output data line
Stay in monitoring light path receiving terminal seal closure (20) outward；
It is ash in dust compensation light path two ends fixture (21) in the first light path and the second light path that dust compensates light path (7) in light path
Dirt compensates the space that light path two ends fixture (22) is surrounded；Dust compensates the fixed dust in the light path of light path light source (8) in light path
The internal outer end of compensation light path light source seal closure (9), input power cord and output data line stay dust compensation light path in the light path
Light source seal closure (9) is outward；Dust compensates light path light source seal closure (9) and consolidates with dust compensation light path two ends in the first light path in light path
Dust compensation light path two ends fixture (22) is directly connected in determining part (21) and the second light path, dust compensation light path in the first light path
It is grid or the circular net knot of hole array that dust compensates light path two ends fixture (22) in two ends fixture (21) and the second light path
Structure；Dust compensates light path two ends fixture (22) during dust compensates light path two ends fixture (21) and the second light path in first light path
Light path receiving terminal seal closure (25) is compensated with dust in light path to be directly connected to；Dust compensates light path optical filter (23) and fixes in light path
Dust is compensated in light path receiving terminal seal closure (25) in light path；Dust compensation light path light-sensitive element (24) is fixed on light in light path
Dust compensates the internal outer end of light path receiving terminal seal closure (25) in journey, and dust compensates light path optical filter (23) outward in the light path for position
Side, input power cord and output data line stay dust in the light path to compensate light path receiving terminal seal closure (25) outward；
Light path light source seal closure (3), monitoring light path light source seal closure are offset with surface water in sensor encapsulating shell (10) two ends inside
(6), dust compensation light path light source seal closure (9), surface water counteracting light path receiving terminal seal closure (15), monitoring light path connect in light path
The outer end of dust compensation light path receiving terminal seal closure (25) is connected in receiving end seal closure (20), light path, and by internal power line,
Data wire forms power interface and data-interface, the bag of sensor encapsulating shell (10) by drawing on sensor encapsulating shell (10)
Enclose first surface water and offset light path two ends fixture (11), second surface water counteracting light path two ends fixture (12), the first monitoring
Dust compensation light path two ends are fixed in light path two ends fixture (16), the second monitoring light path two ends fixture (17), the first light path
It is partly grid or the web frame of array hole that dust compensates light path two ends fixture (22) in part (21), the second light path.
2. anti-agglomeration according to claim 1, anti-dust are exempted to disturb humidity sensor, it is characterised in that in the light path
It is consistent with monitoring light path (4) length that dust compensates light path (7).
3. anti-agglomeration according to claim 1, anti-dust are exempted to disturb humidity sensor, it is characterised in that inhaled using steam
Peak infrared light is received as hygrometry medium.
4. anti-agglomeration according to claim 1, anti-dust are exempted to disturb humidity sensor, it is characterised in that the monitoring light
The cross sectional shape that dust compensation light path (7) in light path (1), light path is offset on road (4), surface water is consistent with sectional area.
5. anti-agglomeration according to claim 1, anti-dust are exempted to disturb humidity sensor, it is characterised in that the surface water
Offset dust compensation light path light source seal closure (9) shape in light path light source seal closure (3), monitoring light path light source seal closure (6), light path
Shape is consistent, is cylinder, and side is contacted with light path for high transparency material.
6. anti-agglomeration according to claim 1, anti-dust are exempted to disturb humidity sensor, it is characterised in that the surface water
Dust compensation light path receiving terminal is close in offsetting light path receiving terminal seal closure (15), monitoring light path receiving terminal seal closure (20), light path
Sealing cover (25) shape is consistent, is cylinder, and side is contacted with light path for high transparency material.
7. anti-agglomeration according to claim 1, anti-dust are exempted to disturb humidity sensor, it is characterised in that the seal closure
Surface water offsets dust compensation light path light source sealing in light path light source seal closure (3), monitoring light path light source seal closure (6), light path
Cover (9), surface water offset dust compensation in light path receiving terminal seal closure (15), monitoring light path receiving terminal seal closure (20), light path
Dust compensates light path during light path (1), monitoring light path (4), light path are offset in the section of light path receiving terminal seal closure (25) with surface water
(7) cross sectional shape is consistent, and sectional area is equal.
8. anti-agglomeration according to claim 1, anti-dust are exempted to disturb humidity sensor, it is characterised in that the surface water
The light that counteracting light path light source (2) sends is after surface water offsets light path light source seal closure (3), then offsets light path by surface water
(1) light path optical filter (13) is offset after being then passed through the side on surface water counteracting light path receiving terminal seal closure (15) by surface water again
Light path light-sensitive element (14) is offset by surface water afterwards to receive.
9. anti-agglomeration according to claim 1, anti-dust are exempted to disturb humidity sensor, it is characterised in that the monitoring light
The light that road light source (5) sends connects by being then passed through monitoring light path by monitoring light path (4) again after monitoring light path light source seal closure (6)
Received by being monitored light path light-sensitive element (19) after monitoring light path optical filter (18) again behind the side of receiving end seal closure (20).
10. anti-agglomeration according to claim 1 to 9 any one claim, anti-dust are exempted to disturb humidity sensor, its
It is characterised by, the light that dust compensation light path light source (8) sends in the light path is sealed by dust compensation light path light source in light path
Dust during light path (7) is then passed through light path is compensated after cover (9) by dust in light path again compensate light path receiving terminal seal closure (25)
Behind side again after dust in light path compensates light path optical filter (23) by light path in dust compensate light path light-sensitive element (24) and connect
Receive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710035075.7A CN106872391B (en) | 2017-01-17 | 2017-01-17 | Anti-agglomeration, anti-dust are exempted to interfere humidity sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710035075.7A CN106872391B (en) | 2017-01-17 | 2017-01-17 | Anti-agglomeration, anti-dust are exempted to interfere humidity sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106872391A true CN106872391A (en) | 2017-06-20 |
| CN106872391B CN106872391B (en) | 2019-04-26 |
Family
ID=59158697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710035075.7A Active CN106872391B (en) | 2017-01-17 | 2017-01-17 | Anti-agglomeration, anti-dust are exempted to interfere humidity sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106872391B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235041A (en) * | 2021-12-09 | 2022-03-25 | 中科国微科技(深圳)有限公司 | Method, device and equipment for detecting environment of direct current stabilized power supply and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101449144A (en) * | 2005-12-20 | 2009-06-03 | 埃科莱布有限公司 | Near UV absorption spectrometer and method for using the same |
| CN101832918A (en) * | 2010-04-14 | 2010-09-15 | 南京大学 | Ultraviolet photoelectric microsensor device for monitoring water quality on line and monitoring method |
| CN102597743A (en) * | 2009-09-09 | 2012-07-18 | 哈希公司 | Anti-fouling submersible liquid sensor and method |
| CN203908939U (en) * | 2013-12-06 | 2014-10-29 | 上海市杨浦区平凉路第三小学 | Humidity imager |
| CN106461457A (en) * | 2014-03-07 | 2017-02-22 | 激光和医药技术柏林有限责任公司 | Sensor device for high-resolution detection of target substances |
-
2017
- 2017-01-17 CN CN201710035075.7A patent/CN106872391B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101449144A (en) * | 2005-12-20 | 2009-06-03 | 埃科莱布有限公司 | Near UV absorption spectrometer and method for using the same |
| CN102597743A (en) * | 2009-09-09 | 2012-07-18 | 哈希公司 | Anti-fouling submersible liquid sensor and method |
| CN101832918A (en) * | 2010-04-14 | 2010-09-15 | 南京大学 | Ultraviolet photoelectric microsensor device for monitoring water quality on line and monitoring method |
| CN203908939U (en) * | 2013-12-06 | 2014-10-29 | 上海市杨浦区平凉路第三小学 | Humidity imager |
| CN106461457A (en) * | 2014-03-07 | 2017-02-22 | 激光和医药技术柏林有限责任公司 | Sensor device for high-resolution detection of target substances |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235041A (en) * | 2021-12-09 | 2022-03-25 | 中科国微科技(深圳)有限公司 | Method, device and equipment for detecting environment of direct current stabilized power supply and storage medium |
| CN114235041B (en) * | 2021-12-09 | 2024-05-03 | 中科国微科技(深圳)有限公司 | DC stabilized power supply environment detection method, device, equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106872391B (en) | 2019-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103528957B (en) | A kind of infrared gas sensor of air chamber encapsulation integration | |
| JP2012522249A5 (en) | ||
| CN105953940A (en) | Temperature, humidity and wind speed integrated sensing system of fiber grating | |
| CN205808985U (en) | A kind of Novel integrated soil temperature-moisture sensor | |
| CN103500770A (en) | Infrared gas sensor for detecting a variety of gases | |
| CN211877253U (en) | Infrared detector and infrared imager based on carbon nanotube structure | |
| CN106769994B (en) | Terahertz sub-wavelength resolution imaging device | |
| CN106872391A (en) | Anti-agglomeration, anti-dust are exempted to disturb humidity sensor | |
| CN105973831A (en) | Four-path gas component measurement pyroelectric infrared detector | |
| Matveev et al. | Midinfrared Light-Emitting Diodes Based on А 3 В 5 Heterostructures in Gas-Analyzer-Equipment Engineering: Potential and Applications in 2014–2018 | |
| CN108693145B (en) | Plant leaf water content detection method | |
| CN208420680U (en) | It is a kind of for detecting the optics thermal detector of chiral molecules | |
| CN204287026U (en) | Fiber Bragg grating type humidity sensor structure | |
| CN203643330U (en) | Humidity sensing structure based on fiber bragg grating | |
| CN101281124B (en) | Wideband cavity reinforced absorption spectrum atmospheric environment photoelectric monitoring system | |
| CN110220613A (en) | A kind of sapphire pipe blackbody chamber optical fiber temperature-measurement device | |
| CN109030375A (en) | It is a kind of for detecting the optics thermal detector of chiral molecules | |
| CN108318452A (en) | A kind of cone of intensity modulation type four light fibre humidity transducer | |
| CN204287027U (en) | Based on the piston type humidity sensor structure of Fiber Bragg Grating FBG | |
| CN102187201B (en) | Determining the amount of starch | |
| CN211043136U (en) | All-fiber humidity sensing device based on polyvinyl alcohol film | |
| CN110887806B (en) | Filtering-free sheet type infrared heat radiation gas concentration sensor based on metamaterial | |
| JP2014044091A (en) | Measuring apparatus | |
| CN203148833U (en) | Humidity sensor with temperature compensation based on fiber loop mirror | |
| KR102086330B1 (en) | System for measuring thermal property of greenhouse material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |