CN206531780U - A kind of measurement apparatus for moisture content of falling leaves - Google Patents
A kind of measurement apparatus for moisture content of falling leaves Download PDFInfo
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- CN206531780U CN206531780U CN201720030908.6U CN201720030908U CN206531780U CN 206531780 U CN206531780 U CN 206531780U CN 201720030908 U CN201720030908 U CN 201720030908U CN 206531780 U CN206531780 U CN 206531780U
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- moisture content
- fallen leaves
- measurement apparatus
- infrared sensor
- leaves moisture
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Abstract
The utility model provides a kind of measurement apparatus for moisture content of falling leaves, and the measurement apparatus of the fallen leaves moisture content is installed on above fallen leaves to be measured；The measurement apparatus of the fallen leaves moisture content includes：Housing, it is internal for an accommodating cavity；And infrared sensor cell, it is arranged in the accommodating cavity body, vertically-aligned fallen leaves to be measured.The measurement apparatus compact of fallen leaves moisture content described in the utility model, can noncontact, quick, accurately measurement fallen leaves moisture content, and can unattended work in the wild for a long time, greatly improve forestry monitoring efficiency.
Description
Technical field
The utility model belongs to sensor technical field, is related to a kind of measurement apparatus, and more particularly to a kind of fallen leaves are aqueous
The measurement apparatus of rate.
Background technology
At present, the monitoring of forest zone ambient condition and forestry fire protection information field are directed to a key problem, i.e. mulch cover mulch-covering
Moisture content acquisition, the judgement of the fire-protection rating in this control for being directly connected to forest zone environment and forest zone.Whether system can
Under various forest zone environment and natural environment, it is crucial ring that accurate mulch cover mulch-covering moisture content information is obtained all-time anf all-weather
Section.Therefore, it is the pass in forest zone ambient condition monitoring and forestry fire protection information area research to obtain accurate mulch cover mulch-covering moisture content
One of key technology.
Fallen leaves quality moisture content is generally referred to as the percent value of biodiversity and fallen leaves dry mass in fallen leaves, traditional means
Typically all sampled manually by work on forestry personnel, claim fresh weight, the drying method (weight method) that scale dry weight is calculated again to obtain, this
The method of kind has the shortcomings that cycle length, needs artificial participation, time and effort consuming, is unsuitable for following wisdom forestry, the hair of Information Forestry
Exhibition is required.
Therefore, how to provide it is a kind of fall leaves moisture content measurement apparatus, with solve existing e measurement technology be by with fallen leaves
Contact type measurement, causes fallen leaves moisture content to there is the defects such as error, and the real practitioner in the art's technology urgently to be resolved hurrily that turned into is asked
Topic.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of survey for moisture content of falling leaves
Measure device, for solve in the prior art by with fallen leaves contact type measurement, cause fallen leaves moisture content the problem of there is error.
In order to achieve the above objects and other related objects, the utility model provides a kind of measurement apparatus for moisture content of falling leaves,
The measurement apparatus of the fallen leaves moisture content is installed on above fallen leaves to be measured；The measurement apparatus of the fallen leaves moisture content includes：Housing,
It is internal for an accommodating cavity；And infrared sensor cell, it is arranged in the accommodating cavity body, vertically-aligned fallen leaves to be measured.
In an embodiment of the present utility model, the housing is columnar structured in bottom broadening；The appearance of the housing
Put cavity and be divided into upper cavity, lower chamber and the broadening part to be connected the upper cavity and lower chamber.
In an embodiment of the present utility model, the infrared sensor cell includes：At least two infrared light compensating lamps, vertically
It is symmetrically disposed on the broadening part；Narrow band filter slice, is arranged at the middle section of the lower chamber, to absorb through to be measured
Fallen leaves are reflectingly and wavelength is the infrared ray for the specific wavelength that the narrow band filter slice is specified；Infrared sensor, is fixed on institute
State between upper cavity and lower chamber；Signal-processing board, is arranged in the upper cavity, and electrically connects with the infrared sensor
Connect.
In an embodiment of the present utility model, the narrow band filter slice is covered in the infrared sensor bottom
Entreat region.
In an embodiment of the present utility model, specific wavelength is 1450nm wavelength and/or 1940nm wavelength.
In an embodiment of the present utility model, the measurement apparatus of the fallen leaves moisture content also includes being arranged at the cavity of resorption
At the opening of body, the transparent protective cover to seal the accommodating cavity.
In an embodiment of the present utility model, the measurement apparatus of the fallen leaves moisture content also includes being arranged at the housing
Top, to by the measurement apparatus carry in the suspension member of bearing.
In an embodiment of the present utility model, the measurement apparatus of the fallen leaves moisture content also includes and the infrared sensing
Unit is electrically connected with, to the battery powered for the infrared sensor cell；The operating current of the battery is less than or equal to
300mA。
As described above, the measurement apparatus of fallen leaves moisture content described in the utility model, has the advantages that：
The measurement apparatus compact of fallen leaves moisture content described in the utility model, can noncontact, quick, accurately measurement
The moisture content of fallen leaves, and can unattended work in the wild for a long time, great raising forestry monitoring efficiency.
Brief description of the drawings
Fig. 1 is shown as the cross-sectional view of the measurement apparatus of fallen leaves moisture content of the present utility model.
Fig. 2 is shown as housing the cross-sectional view of cavity in housing of the present utility model.
Component label instructions
The measurement apparatus of 1 fallen leaves moisture content
11 housings
12 infrared sensor cells
13 transparent protective covers
111 accommodating cavitys
111A upper cavities
111B lower chambers
111C broadening parts
121 infrared light compensating lamps
122 narrow band filter slices
123 infrared sensors
124 signal-processing boards
Embodiment
Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages of the present utility model and effect easily.
Refer to accompanying drawing.It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only to coordinate
Content disclosed in specification, so that those skilled in the art is understood with reading, being not limited to the utility model can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influenceing the utility model effect that can be generated and the purpose that can reach, all should still it fall in the utility model institute
The technology contents of announcement are obtained in the range of covering.Meanwhile, in this specification it is cited as " on ", " under ", "left", "right",
The term of " centre " and " one " etc., is merely convenient to understanding for narration, and is not used to limit the enforceable scope of the utility model,
Its relativeness is altered or modified, under without essence change technology contents, when being also considered as the enforceable category of the utility model.
Infrared ray is electromagnetic wave of the wavelength in 0.75 to 1000 micron wavebands, wherein some spies of moisture near infrared band
The long infrared ray of standing wave has stronger absorption, such as 1450nm wavelength and 1940nm wavelength, falls so moisture is different
Leaf can have different absorptions to specific wavelength infrared ray, so using this principle, by sensing infrared transmitting or anti-
Shoot the signal intensity after leaf down and then the moisture size of fallen leaves is measured in demarcation.
The present embodiment provides a kind of measurement apparatus for moisture content of falling leaves, and the measurement apparatus of the fallen leaves moisture content, which is installed on, to be treated
Survey fallen leaves top；The measurement apparatus of the fallen leaves moisture content includes：
Housing, it is internal for an accommodating cavity；With
Infrared sensor cell, is arranged in the accommodating cavity body, vertically-aligned fallen leaves to be measured, to be surveyed by cordless
Measure the moisture content of the fallen leaves to be measured.
The measurement apparatus of the fallen leaves moisture content described in the present embodiment is described in detail below with reference to diagram.This implementation
The measurement apparatus 1 of fallen leaves moisture content described in example is installed on the top of fallen leaves to be measured.Referring to Fig. 1, being shown as moisture content of falling leaves
Measurement apparatus cross-sectional view.As shown in figure 1, the measurement apparatus 1 of the fallen leaves moisture content includes housing 11, infrared
Sensing unit 12, transparent protective cover 13, battery (being unillustrated) and suspension member (being unillustrated).
Referring to Fig. 2, being shown as housing the cross-sectional view of cavity in housing.As shown in Fig. 2 the housing 11
Inside is an accommodating cavity 111 to accommodate the infrared sensor cell 12.In the present embodiment, the housing 11 is in bottom
Broadening it is columnar structured.In the present embodiment, 111 points of the accommodating cavity of the housing 11 is upper cavity 111A, lower chamber
111B and the broadening part 111C to be connected the upper cavity 111A and lower chamber 111B, the broadening part 111C shape in a ring,
The diameter of inner ring is equal to the diameter of the upper cavity 111A, and the diameter of outer shroud is equal to the diameter of the lower chamber 111B.
The infrared sensor cell 12 includes infrared light compensating lamp 121, narrow band filter slice 122, infrared sensor 123, place
Manage device 124 and signal-processing board 125.
The infrared light compensating lamp 121 on the broadening part 111C is arranged to vertical symmetry to be used to continuously launch red
Outside line, to irradiate the fallen leaves to be measured 2 on ground.The infrared light compensating lamp 121 is symmetrically disposed on the two of the broadening part 111C
Side, can also be uniformly arranged several along ring-type broadening part 111C.When the infrared radiation that the infrared light compensating lamp 121 is launched exists
When on the fallen leaves to be measured, the fallen leaves to be measured can reflect infrared ray.
The narrow band filter slice 122 for being arranged at the middle section of the lower chamber 111B reflects to absorb through fallen leaves to be measured
The infrared ray for the specific wavelength that ground and wavelength are specified for the narrow band filter slice.In the present embodiment, the narrow band filter slice
122 are only capable of the infrared ray of the specific wavelength by 1450nm wavelength and/or 1940nm wavelength, the infrared ray of its all band and visible
Light can all be filtered out, and to reach exclusive PCR, reduce the effect of noise.
Infrared sensor 123 between the upper cavity 111A and lower chamber 111B is fixed on to filter to receive the arrowband
The infrared ray that wave plate 122 is filtered, is converted into infrared receiver signal, and be passed at the signal by the infrared ray of filtering
Manage plate 124.In the present embodiment, in order that infrared sensor 123 uniformly receives the red of the filtering of narrow band filter slice 122
Outside line, the narrow band filter slice 122 is covered on the middle section of the bottom of infrared sensor 123.
It is arranged in the upper cavity 111A, the signal-processing board 124 being electrically connected with the infrared sensor 123 is used
To gather the infrared receiver signal that the infrared sensor 123 is transmitted, and detect described infrared by preset detection mode
Line receives signal, to obtain the moisture content of the fallen leaves to be measured.It is in the present embodiment, every to detect the infrared ray of filtering,
Obtaining the detection mode of the moisture content of fallen leaves to be measured can use.The signal-processing board 124 configuration include DSP Processor,
The processors such as MCU controllers.As shown in figure 1, the signal-processing board 124 runs through whole upper cavity 111A.
The transparent protective cover 13 at the opening of the lower chamber 111B is arranged to seal the accommodating cavity 111.Institute
Stating transparent protective cover 13 can prevent fog from entering the inside of the measurement apparatus 1 of fallen leaves moisture content, damage the infrared sensing list
Member 12.
In order that the contactless top for being installed on the fallen leaves to be measured of measurement apparatus 1 of the fallen leaves moisture content, described
Fall leaves moisture content measurement apparatus 1 also include be arranged at the top of housing 11, to by the carry of measurement apparatus 1 in fixation
The suspension member at place's (for example, on outdoor branch).
The battery that the infrared sensor cell 12 is electrically connected with for the infrared sensor cell 12 to power.Due to described
The measurement apparatus 1 of fallen leaves moisture content is in open air and warms up the working condition that calorific value is kept for a long time, and the energy is limited, therefore its power consumption is also restricted
It is required that, the operating current of the battery is controlled within 300mA.
The measurement apparatus 1 of fallen leaves moisture content described in the utility model is launched infrared radiation by infrared light compensating lamp 121 and fallen
Leaf, then the specific wavelength infrared ray fallen leaves and reflected is received by narrow band filter slice 122 and infra red sensor 123, by embedding
Enter the collection received IR signal processing computing of the processor 124 on the signal-processing board 125 and immediately arrive at fallen leaves moisture content.
In summary, the compact of measurement apparatus 1 of fallen leaves moisture content described in the utility model, can noncontact, it is quick,
The accurately moisture content of measurement fallen leaves, and can unattended work in the wild for a long time, great raising forestry monitoring efficiency.This
Utility model effectively overcomes various shortcoming of the prior art and has high industrial utilization.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.
Claims (8)
1. a kind of measurement apparatus for moisture content of falling leaves, it is characterised in that the measurement apparatus of the fallen leaves moisture content is installed on to be measured
Fallen leaves top；The measurement apparatus of the fallen leaves moisture content includes：
Housing, it is internal for an accommodating cavity；With
Infrared sensor cell, is arranged in the accommodating cavity body, vertically-aligned fallen leaves to be measured.
2. the measurement apparatus of fallen leaves moisture content according to claim 1, it is characterised in that：The housing is in bottom broadening
It is columnar structured；The accommodating cavity of the housing is divided into upper cavity, lower chamber and to be connected the upper cavity and lower chamber
Broadening part.
3. the measurement apparatus of fallen leaves moisture content according to claim 2, it is characterised in that：The infrared sensor cell bag
Include：
At least two infrared light compensating lamps, are arranged to vertical symmetry on the broadening part；
Narrow band filter slice, is arranged at the middle section of the lower chamber, to absorb through fallen leaves to be measured reflectingly and wavelength is institute
State the infrared ray for the specific wavelength that narrow band filter slice is specified；
Infrared sensor, is fixed between the upper cavity and lower chamber；
Signal-processing board, is arranged in the upper cavity, and is electrically connected with the infrared sensor.
4. the measurement apparatus of fallen leaves moisture content according to claim 3, it is characterised in that：The narrow band filter slice is covered on
The middle section of the infrared sensor bottom.
5. the measurement apparatus of fallen leaves moisture content according to claim 3, it is characterised in that：Specific wavelength is 1450nm wavelength
And/or 1940nm wavelength.
6. the measurement apparatus of fallen leaves moisture content according to claim 2, it is characterised in that：The measurement of the fallen leaves moisture content
Device also includes being arranged at the opening of the lower chamber, the transparent protective cover to seal the accommodating cavity.
7. the measurement apparatus of fallen leaves moisture content according to claim 1, it is characterised in that：The measurement of the fallen leaves moisture content
Device also include be arranged at the housing tip, to by the measurement apparatus carry in the suspension member of bearing.
8. the measurement apparatus of fallen leaves moisture content according to claim 1, it is characterised in that：The measurement of the fallen leaves moisture content
Device also includes being electrically connected with the infrared sensor cell, to the battery powered for the infrared sensor cell；The electricity
The operating current in pond is less than or equal to 300mA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720030908.6U CN206531780U (en) | 2017-01-11 | 2017-01-11 | A kind of measurement apparatus for moisture content of falling leaves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720030908.6U CN206531780U (en) | 2017-01-11 | 2017-01-11 | A kind of measurement apparatus for moisture content of falling leaves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206531780U true CN206531780U (en) | 2017-09-29 |
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ID=59917225
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720030908.6U Active CN206531780U (en) | 2017-01-11 | 2017-01-11 | A kind of measurement apparatus for moisture content of falling leaves |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593595A (en) * | 2018-05-03 | 2018-09-28 | 苏州高新区建金建智能科技有限公司 | Leaf water detecting system based near infrared spectrum irradiation technique |
-
2017
- 2017-01-11 CN CN201720030908.6U patent/CN206531780U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593595A (en) * | 2018-05-03 | 2018-09-28 | 苏州高新区建金建智能科技有限公司 | Leaf water detecting system based near infrared spectrum irradiation technique |
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