CN108896628A - A kind of capacitance type humidity sensor - Google Patents
A kind of capacitance type humidity sensor Download PDFInfo
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- CN108896628A CN108896628A CN201810889493.7A CN201810889493A CN108896628A CN 108896628 A CN108896628 A CN 108896628A CN 201810889493 A CN201810889493 A CN 201810889493A CN 108896628 A CN108896628 A CN 108896628A
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- sliding bar
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- body box
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- sliding
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- 230000006698 induction Effects 0.000 claims abstract description 55
- 239000002689 soil Substances 0.000 claims abstract description 31
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a kind of capacitance type humidity sensors, including main body box, casing, screw rod, push sliding block, fan and solar panels, casing is provided in the middle part of main body box lower end, and sliding cavity is provided in casing, center bottom is provided with first motor in main body box, and first motor lower end is provided with screw rod, and screw lower end extends through main body box bottom end and cannula tip, and be equipped on the outside of screw rod in sliding cavity inner sleeve and push sliding block, push sliding block to be slidably connected sliding cavity.The present invention can be according to the soil property environment of various regions, the distance between topsoil induction part, middle layer soil induction part and deep soil induction part are adjusted by the second sliding bar and third sliding bar, and pass through the first fixing button and the second fixing button fixed column, and topsoil induction part, middle layer soil induction part and deep soil induction part are inserted into the soil layer of respective depth by foot pedal, the humidity of soil layer each in soil is measured to realize.
Description
Technical field
The present invention relates to inductor technical field more particularly to a kind of capacitance type humidity sensors.
Background technique
Humidity sensor is widely used in the fields such as meteorological detection, agricultural production, Industry Control, Medical Devices.In recent years,
The development of humidity sensor is increasingly intended to be miniaturized.Existing Miniature humidity sensor type mainly includes condenser type, electricity
Resistive, pressure resistance type and MEMS etc..Wireless telemetering sensor includes two major classes at present：Active telemetering and passive telemetering.Have
Source telemetering refers in sensor-based system with power supply, this remote mode can with two-way long distance transmission sensor signal, but its
System complex, size are big, and battery needs replacing.Passive telemetering refers to do not have power supply in sensor-based system, utilizes inductive coupling
Or radio frequency reflection modulation realize signal acquisition, this remote mode signal transmission distance is short, but it is small in size, do not need to replace
Battery can theoretically be worked with indefinite duration.
The humidity sensor in agricultural green house of vegetables has a single function at present, and the air that can only simply measure in greenhouse is wet
Degree, and the accuracy measured is lower.Therefore, those skilled in the art provide a kind of capacitance type humidity sensor, on solving
State the problem of proposing in background technique.
Summary of the invention
To solve technical problem present in background technique, the present invention proposes a kind of capacitance type humidity sensor.
A kind of capacitance type humidity sensor proposed by the present invention, including main body box, casing, screw rod, push sliding block, fan and
Solar panels, main body box lower end middle part is provided with casing, and sliding cavity is provided in casing, and center bottom is provided in main body box
First motor, and first motor lower end is provided with screw rod, screw lower end extends through main body box bottom end and cannula tip, and screw rod
Outside is equipped in sliding cavity inner sleeve and pushes sliding block, and sliding block is pushed to be slidably connected sliding cavity, and pushes sliding block lower end connection first sliding
Lever, sliding cavity bottom end is run through in the first sliding bar lower end, and the first sliding bar left side central portion is provided with pedal below casing, the
Lower end is provided with the first fixing button on the right side of one sliding bar, and the first sliding bar outer lower portion is provided with table above the first fixing button
The native induction part of layer, the first sliding bar lower end are slidably connected the second sliding bar, and the second sliding bar outer lower portion is provided with middle layer soil sense
Portion is answered, and native induction part lower section is provided with the second fixing button in middle level for lower end on the right side of the second sliding bar, the second sliding bar lower end is sliding
Dynamic connection third sliding bar, and third sliding bar outer lower portion is provided with deep soil induction part.
Lower end is fixedly connected with the second motor by fixed frame on the right side of main body box, and the second motor upper center is connected by shaft
Wind-receiving fan, main body box right side central are provided with air humidity induction part, and air humidity induction part includes connector, fixed ring and net
Shape induction part, fixed ring inside is provided with netted induction part, and connects main body box by connector on the left of fixed ring.Main body box is right
Side upper end is provided with weather shield, and main body box upper end connects solar panels by support rod, and middle part is provided with electronics on front side of main body box
Display screen.
As a further solution of the present invention：Two sides on front side of sliding block are pushed to be provided with strip, and casing inside and strip
It is correspondingly arranged on card slot.
As further scheme of the invention：First sliding bar frontal left is provided with the first scale, the second sliding bar
Frontal left is provided with the second scale, and third sliding bar frontal left is provided with third scale.
As further scheme of the invention：First sliding bar lower end is provided with first slope part, and the second sliding bar
Lower end is provided with the second ramp member, and third sliding bar lower end is provided with tip.
As further scheme of the invention：Main body box front lower part is provided with control switch, and control switch is distinguished
It is electrically connected first motor, the second motor and electronic display.
As further scheme of the invention：Sender unit is provided on the left of main body box lower end.
Compared with prior art, the beneficial effects of the invention are as follows：
1, the present invention can adjust topsoil sense by the second sliding bar and third sliding bar according to the soil property environment of various regions
The distance between portion, middle layer soil induction part and deep soil induction part are answered, and passes through the first fixing button and the second fixing button fixed column,
And topsoil induction part, middle layer soil induction part and deep soil induction part are inserted into the soil layer of respective depth by foot pedal,
The humidity of soil layer each in soil is measured to realize.
2, the present invention can drive fan rotation by the second motor, so that air humidity induction part is blowed, into
And make the humidity of the measurement air of capacitance type humidity sensor fast and accurately, and be arranged in the capacitance type humidity sensor free
It is provided with netted induction part in air humidity degree induction part, increases the contact area of air humidity induction part and air, thus into one
Step improves the speed and accuracy of measurement.
3, the present invention drives screw rod rotation by first motor, and the screw rod of rotation pushes sliding block to rise or fall, and
Under casing and the first sliding bar mating reaction, realizes the lifting of control main body box, can thus make air humidity induction part
Measure the humidity of each layer air-flow in greenhouse.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of capacitance type humidity sensor.
Fig. 2 is a kind of schematic diagram of internal structure of capacitance type humidity sensor middle sleeve.
Fig. 3 is the top view cross section structural schematic diagram that sliding block is pushed in a kind of capacitance type humidity sensor.
Fig. 4 is a kind of overlooking structure diagram of air humidity induction part in capacitance type humidity sensor.
In figure：1- main body box, 2- casing, 201- card slot, 3- first motor, 4- screw rod, 5- push sliding block, 501- strip,
6- sliding cavity, the first sliding bar of 7-, 8- pedal, the first scale of 9-, 10- topsoil induction part, the first fixing button of 11-, 12- second
Sliding bar, the second scale of 13-, the middle layer 14- soil induction part, the second fixing button of 15-, 16- third sliding bar, 17- third scale,
18- deep soil induction part, 19- tip, 20- fixed frame, the second motor of 21-, 22- shaft, 23- fan, the induction of 24- air humidity
Portion, 241- connector, 242- fixed ring, the netted induction part of 243-, 25- weather shield, 26- sender unit, 27- support rod,
28- solar panels, 29- electronic display, 30- control switch.
Specific embodiment
As Figure 1-Figure 4, a kind of capacitance type humidity sensor proposed by the present invention, including main body box 1, casing 2, screw rod
4, sliding block 5, fan 23 and solar panels 28 are pushed, are provided with casing 2 in the middle part of 1 lower end of main body box, and be provided with sliding in casing 2
Chamber 6, center bottom is provided with first motor 3 in main body box 1, and 3 lower end of first motor is provided with screw rod 4,4 lower end of screw rod difference
Through 2 top of 1 bottom end of main body box and casing, and 4 outside of screw rod is arranged in sliding cavity 6 and pushes sliding block 5, pushes sliding block 5 sliding
Dynamic connection sliding cavity 6, and 5 lower end of sliding block is pushed to connect the first sliding bar 7,6 bottom end of sliding cavity is run through in 7 lower end of the first sliding bar,
And 7 left side central portion of the first sliding bar is provided with pedal 8 below casing 2, it is fixed that 7 right side lower end of the first sliding bar is provided with first
Button 11, and 7 outer lower portion of the first sliding bar is provided with topsoil induction part 10, the first sliding bar 7 above the first fixing button 11
Lower end is slidably connected the second sliding bar 12, and 12 outer lower portion of the second sliding bar is provided with middle layer soil induction part 14, and the second sliding
12 right side lower end of bar is provided with the second fixing button 15 below native induction part 14 in middle level, and 12 lower end of the second sliding bar is slidably connected the
Three sliding bars 16, and 16 outer lower portion of third sliding bar is provided with deep soil induction part 18.
1 right side lower end of main body box is fixedly connected with the second motor 21 by fixed frame 20, and 21 upper center of the second motor is logical
It crosses shaft 22 and connects fan 23,1 right side central of main body box is provided with air humidity induction part 24, and air humidity induction part 24 includes
Connector 241, fixed ring 242 and netted induction part 243 are provided with netted induction part 243, and fixed ring on the inside of fixed ring 242
242 left sides connect main body box 1 by connector 241.1 right side upper end of main body box is provided with weather shield 25, and 1 upper end of main body box passes through
Support rod 27 connects solar panels 28, and 1 front side middle part of main body box is provided with electronic display 29.
5 front side two sides of sliding block are pushed to be provided with strip 501, and 2 inside of casing is correspondingly arranged on card slot with strip 501
201。
First sliding bar, 7 frontal left is provided with the first scale 9, and 12 frontal left of the second sliding bar is provided with the second scale
13, and 16 frontal left of third sliding bar is provided with third scale 17.
First sliding bar, 7 lower end is provided with first slope part, and 12 lower end of the second sliding bar is provided with the second ramp member, and
16 lower end of third sliding bar is provided with tip 19.
The positive lower part of main body box 1 is provided with control switch 30, and first motor 3, the is electrically connected in control switch 30
Two motors 21 and electronic display 29.
Sender unit 26 is provided on the left of 1 lower end of main body box.
The capacitance type humidity sensor can pass through the second sliding bar 12 and third sliding bar according to the soil property environment of various regions
16 adjust the distance between topsoil induction part 10, middle layer soil induction part 12 and deep soil induction part 18, and fixed by first
15 fixed column of button 11 and the second fixing button, and pass through foot pedal 8 for topsoil induction part 10, middle layer soil induction part 12 and deep layer
Native induction part 18 is inserted into the soil layer of respective depth, is measured to realize to the humidity of soil layer each in soil.
The capacitance type humidity sensor can drive fan 23 to rotate by the second motor 21, to incude to air humidity
Portion 24 is blowed, and then makes the humidity of the measurement air of capacitance type humidity sensor fast and accurately, and the condenser type humidity
Be provided in sensor in air humidity induction part 24 and be provided with netted induction part 243, increase air humidity induction part 24 with
The contact area of air, to further improve the speed and accuracy of measurement.
The capacitance type humidity sensor drives screw rod 4 to rotate by first motor 3, and the screw rod 4 of rotation pushes sliding block 5
It rises or falls, and under 7 mating reaction of casing 2 and the first sliding bar, realizes the lifting of control main body box 1, it thus can be with
Air humidity induction part 24 is set to measure the humidity of each layer air-flow in greenhouse.
More than, it is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any
Those familiar with the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its invents
Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of capacitance type humidity sensor, including main body box (1), casing (2), screw rod (4), promotion sliding block (5), fan (23)
With solar panels (28), which is characterized in that be provided with casing (2) in the middle part of main body box (1) lower end, and be provided with cunning in casing (2)
Dynamic chamber (6), main body box (1) interior center bottom is provided with first motor (3), and first motor (3) lower end is provided with screw rod (4),
Screw rod (4) lower end extends through main body box (1) bottom end and casing (2) top, and is arranged in sliding cavity (6) on the outside of screw rod (4)
Have promotion sliding block (5), sliding block (5) is pushed to be slidably connected sliding cavity (6), and sliding block (5) lower end is pushed to connect the first sliding bar
(7), sliding cavity (6) bottom end is run through in the first sliding bar (7) lower end, and the first sliding bar (7) left side central portion is set below casing (2)
It is equipped with pedal (8), lower end is provided with the first fixing button (11) on the right side of the first sliding bar (7), and the first sliding bar (7) outer lower portion
It is provided with topsoil induction part (10) above the first fixing button (11), the first sliding bar (7) lower end is slidably connected the second sliding
Bar (12), the second sliding bar (12) outer lower portion are provided with middle layer soil induction part (14), and lower end on the right side of the second sliding bar (12)
It is provided with the second fixing button (15) below native induction part (14) in middle level, the second sliding bar (12) lower end is slidably connected third sliding
Bar (16), and third sliding bar (16) outer lower portion is provided with deep soil induction part (18)；
Lower end is fixedly connected the second motor (21) by fixed frame (20) on the right side of main body box (1), and in the second motor (21) upper end
Portion is provided with air humidity induction part (24), air humidity by shaft (22) connection fan (23), main body box (1) right side central
Induction part (24) includes connector (241), fixed ring (242) and netted induction part (243), is provided on the inside of fixed ring (242)
Netted induction part (243), and pass through connector (241) connection main body box (1) on the left of fixed ring (242).On main body box (1) right side
End is provided with weather shield (25), and main body box (1) upper end passes through support rod (27) connection solar panels (28), main body box (1) front side
Middle part is provided with electronic display (29).
2. a kind of capacitance type humidity sensor according to claim 1, which is characterized in that push two sides on front side of sliding block (5)
It is provided with strip (501), and is correspondingly arranged on card slot (201) with strip (501) on the inside of casing (2).
3. a kind of capacitance type humidity sensor according to claim 1, which is characterized in that the first sliding bar (7) front is left
Side is provided with the first scale (9), and the second sliding bar (12) frontal left is provided with the second scale (13), and third sliding bar (16)
Frontal left is provided with third scale (17).
4. a kind of capacitance type humidity sensor according to claim 1, which is characterized in that the first sliding bar (7) lower end is set
It is equipped with first slope part, and the second sliding bar (12) lower end is provided with the second ramp member, and third sliding bar (16) lower end is arranged
There are tip (19).
5. a kind of capacitance type humidity sensor according to claim 1, which is characterized in that main body box (1) front lower part is set
It is equipped with control switch (30), and first motor (3), the second motor (21) and electronical display is electrically connected in control switch (30)
Shield (29).
6. a kind of capacitance type humidity sensor according to claim 1, which is characterized in that set on the left of main body box (1) lower end
It is equipped with sender unit (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810889493.7A CN108896628A (en) | 2018-08-07 | 2018-08-07 | A kind of capacitance type humidity sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810889493.7A CN108896628A (en) | 2018-08-07 | 2018-08-07 | A kind of capacitance type humidity sensor |
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| Publication Number | Publication Date |
|---|---|
| CN108896628A true CN108896628A (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810889493.7A Pending CN108896628A (en) | 2018-08-07 | 2018-08-07 | A kind of capacitance type humidity sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111552337A (en) * | 2020-05-27 | 2020-08-18 | 重庆工业职业技术学院 | Intelligent temperature and humidity regulation and control system and method for greenhouse |
| CN111948106A (en) * | 2020-08-11 | 2020-11-17 | 陈海南 | City air networking check out test set |
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| CN102297883A (en) * | 2011-05-20 | 2011-12-28 | 江苏大学 | Water content detection apparatus for soil profile, and detection method thereof |
| CN102419344A (en) * | 2011-09-13 | 2012-04-18 | 江苏大学 | Solar wireless soil profile water content measurement device |
| CN202230047U (en) * | 2011-09-13 | 2012-05-23 | 江苏大学 | Solar wireless measurement device for soil profile moisture |
| CN205750609U (en) * | 2016-07-13 | 2016-11-30 | 安徽本立物联网技术有限公司 | A kind of crops supervising device based on Internet of Things |
| CN207066488U (en) * | 2017-06-14 | 2018-03-02 | 广东骏威农业有限公司 | A kind of warren Temperature and Humidity equipment |
| CN207179940U (en) * | 2017-06-16 | 2018-04-03 | 河南宏达检测技术有限公司 | A kind of Multifunctional indoor environment detection means |
| CN207409126U (en) * | 2017-11-22 | 2018-05-25 | 成都佳佩科技发展有限公司 | A kind of greenhouse data gathering terminal |
-
2018
- 2018-08-07 CN CN201810889493.7A patent/CN108896628A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297883A (en) * | 2011-05-20 | 2011-12-28 | 江苏大学 | Water content detection apparatus for soil profile, and detection method thereof |
| CN102419344A (en) * | 2011-09-13 | 2012-04-18 | 江苏大学 | Solar wireless soil profile water content measurement device |
| CN202230047U (en) * | 2011-09-13 | 2012-05-23 | 江苏大学 | Solar wireless measurement device for soil profile moisture |
| CN205750609U (en) * | 2016-07-13 | 2016-11-30 | 安徽本立物联网技术有限公司 | A kind of crops supervising device based on Internet of Things |
| CN207066488U (en) * | 2017-06-14 | 2018-03-02 | 广东骏威农业有限公司 | A kind of warren Temperature and Humidity equipment |
| CN207179940U (en) * | 2017-06-16 | 2018-04-03 | 河南宏达检测技术有限公司 | A kind of Multifunctional indoor environment detection means |
| CN207409126U (en) * | 2017-11-22 | 2018-05-25 | 成都佳佩科技发展有限公司 | A kind of greenhouse data gathering terminal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111552337A (en) * | 2020-05-27 | 2020-08-18 | 重庆工业职业技术学院 | Intelligent temperature and humidity regulation and control system and method for greenhouse |
| CN111948106A (en) * | 2020-08-11 | 2020-11-17 | 陈海南 | City air networking check out test set |
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Application publication date: 20181127 |
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