CN107621485A - A kind of new soil Humidity Detection equipment for agricultural production based on Internet of Things - Google Patents
A kind of new soil Humidity Detection equipment for agricultural production based on Internet of Things Download PDFInfo
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- CN107621485A CN107621485A CN201710613619.3A CN201710613619A CN107621485A CN 107621485 A CN107621485 A CN 107621485A CN 201710613619 A CN201710613619 A CN 201710613619A CN 107621485 A CN107621485 A CN 107621485A
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Abstract
The present invention relates to a kind of new soil Humidity Detection equipment for agricultural production based on Internet of Things, including housing, receive window, two signal processing circuits and detection means, the housing is arranged on the top for receiving window, the detection means is arranged on the bottom of housing, the signal processing circuit is located in the both sides of detection means, the signal processing circuit includes the first motor set straight down, second motor, two drive shafts and two wheels, the new soil Humidity Detection equipment for agricultural production based on Internet of Things is detected by insertion soil of being popped one's head in detection means to soil moisture, ensure that equipment moves freely using the first motor in signal processing circuit and the second motor simultaneously, comprehensive accurate detection is carried out so as to realize equipment to the region；Moreover, in humidity measuring circuit, using conventional component in humidity measuring circuit, while ensureing to humidity precise acquisition, production cost is also reduced, improves the practical value of equipment.
Description
Technical field
The present invention relates to a kind of new soil Humidity Detection equipment for agricultural production based on Internet of Things.
Background technology
Soil moisture has important influence for crop growth, be manufacture organic matter raw material, how much shadows of moisture
The absorption of the photosynthesis and nutriment of crop is rung, therefore there are strict requirements to the Humidity Detection of soil.
With modernization metering technology normalized, real-time, the on-line monitoring of soil moisture are scientific research, agricultural production and metering inspection
The problem that survey technology mechanism is faced, in existing Humidity Detection equipment, not only cost is higher, and measurement accuracy is present
Deviation, measurement range are limited single, the requirement for making it be difficult to meet modernization e measurement technology.
The content of the invention
The technical problem to be solved in the present invention is：In order to overcome in the prior art detection device cost is high, measurement accuracy compared with
Low and limited measurement range deficiency, there is provided a kind of cost is cheap, measurement accuracy is high and measurement range is wide based on Internet of Things
New soil Humidity Detection equipment for agricultural production.
The technical solution adopted for the present invention to solve the technical problems is：It is a kind of that agricultural production is used for based on Internet of Things
New soil Humidity Detection equipment, including housing, reception window, two signal processing circuits and detection means, the housing are set
Put and receiving the top of window, the detection means is arranged on the bottom of housing, and the signal processing circuit is located to be filled in detection
The both sides put；
The signal processing circuit includes integrated circuit U1, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the first electric capacity
C1, the second electric capacity C2 and the 3rd electric capacity C3, the model 1B31, the integrated circuit U1 of the integrated circuit U1 sensor electricity
Source is grounded by bridge circuit, and the input of the integrated circuit U1 is connected with bridge circuit, and the integrated circuit U1's is negative
External -15V the DC voltage power supplies of power end, the negative power end of the integrated circuit U1 pass through the electricity of the first electric capacity C1 and second respectively
Hold C2 ground connection, the common end grounding of the integrated circuit U1, the external 15V direct currents piezoelectricity of power end of the integrated circuit U1
Source, the reference edge of the integrated circuit U1 are grounded by the 3rd electric capacity C3, and the threshold values end of the integrated circuit U1 passes through the 5th electricity
Resistance R5 is connected with integrated circuit U1 333.3 times of threshold values ends, and the bridge excitation output adjustable side of the integrated circuit U1 passes through the 6th
The series circuit of resistance R6 and the 7th resistance R7 compositions is connected with integrated circuit U1 adjustable end；
The measurement signal of sensor is transformed to 0-1OV voltage outputs by the circuit.After power supply, internal reference voltage is preset
For 1OV, bridge excitation output adjustable side increases bridge excitation output voltage when being connected to integrated circuit U1 adjustable end, swashed if reducing bridge
Voltage output is encouraged, then accesses resistance between integrated circuit U1 threshold values end and 333.3 times of threshold values ends.Bridge measuring bridge output letter
Number instrumentation amplifier delivered to by integrated circuit U1 positive input terminal and negative input end inside integrated circuit U1.Amplifier gain
Determined by the resistance between integrated circuit U1 bridge excitation output adjustable side and adjustable end, adjust the 7th resistance R7, be i.e. regulation is put
The gain of big device.
The detection means include set straight down the 3rd motor, connecting shaft, two the 4th motors and
The quantity of two probes, the quantity of the 4th motor and probe is consistent and one-to-one corresponding, the 3rd motor and
Connecting shaft is connected, and the 4th motor is arranged on the both sides of connecting shaft, the 4th motor and the 4th driving
Motor is connected；
Central processing unit, first motor, the second motor, the 3rd motor and the 4th are provided with the housing
Motor is connected with central processing unit, and humidity detecting module and wireless communication module, institute are provided with the central processing unit
State probe to electrically connect with humidity detecting module, the humidity detecting module includes humidity measuring circuit, the humidity measuring circuit
Including the first triode, the second triode, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the first electricity
It is resistance, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, whole
Flow bridge, ammeter, adjustable resistance, the first voltage-regulator diode, the second voltage-regulator diode and probe, the transmitting of first triode
The emitter stage of pole and the second triode is grounded, and the colelctor electrode of first triode passes through first resistor and 3rd resistor respectively
External 5V DC voltage power supplies, the colelctor electrode of second triode pass through second resistance and the external 5V direct currents of the 4th resistance respectively
Voltage source, one end of second electric capacity are connected with the colelctor electrode of the first triode, the other end of second electric capacity and
The base stage connection of two triodes, one end of the 3rd electric capacity are connected with the colelctor electrode of the second triode, the 3rd electric capacity
The other end is connected with the base stage of the first triode, and one end ground connection of first electric capacity, the other end of first electric capacity passes through
First resistor is connected with the colelctor electrode of the first triode, and the colelctor electrode of first triode is connected by the 6th resistance and probe
Connect, the first input end of the rectifier bridge passes through the first voltage-regulator diode and the anti-series circuit and probe of the second voltage-regulator diode
Connection, the series circuit that the first input end of the rectifier bridge is made up of the 7th resistance and adjustable resistance are connected with probe, institute
The second input for stating rectifier bridge is connected with the 7th resistance and adjustable resistance respectively, and the colelctor electrode of second triode passes through
The first input end of five resistance and rectifier bridge connects, and the first output end of the rectifier bridge passes through the 8th resistance and the 5th resistance group
Into series circuit and the first input end of rectifier bridge connect, the first output end of the rectifier bridge passes through the 8th resistance and the 5th
The series circuit of electric capacity composition and the second output end of rectifier bridge connect, and the first output end of the rectifier bridge passes through the 4th electric capacity
It is connected with the second output end of rectifier bridge, the first output end of the rectifier bridge passes through the 8th resistance, ammeter and the 9th resistance
The series circuit of composition and the second output end of rectifier bridge connect.
Preferably, the bridge circuit includes first resistor R1, second resistance R2,3rd resistor R3 and the 4th resistance
Series circuit that R4, the integrated circuit U1 probe power end are made up of first resistor R1 and second resistance R2 respectively,
The series circuit ground connection of 3rd resistor R3 and the 4th resistance R4 compositions, the positive input terminal of the integrated circuit U1 are electric with first respectively
Resistance R1 connects with second resistance R2, and the negative input end of the integrated circuit U1 connects with 3rd resistor R3 and the 4th resistance R4 respectively
Connect.
Preferably, the model MB8S of the rectifier bridge.
Preferably, first triode and the second triode are NPN triode.
Preferably, in order to improve the reliability of device movement, the wheel is provided with anti-slop serrations.
Preferably, direct current generator has the characteristics of driving force is strong, so as to improve the reliability of device, described first
Motor, the second motor, the 3rd motor and the 4th motor are direct current generator.
Preferably, the reception window is infrared receiver window.
Lead to the invention has the advantages that being somebody's turn to do the new soil Humidity Detection equipment for agricultural production based on Internet of Things
Cross probe insertion soil in detection means to detect soil moisture, while utilize the first driving electricity in signal processing circuit
Machine and the second motor ensure that equipment moves freely, and comprehensive accurate detection is carried out so as to realize equipment to the region；No
Only in this way, in humidity measuring circuit, using conventional component in humidity measuring circuit, ensureing to humidity precise acquisition
Meanwhile production cost is also reduced, the practical value of equipment is improved, signal processing circuit has the function that adjustable gain, energy
Enough meet the collection of different grades of input signal, improve the reliability of signal processing circuit.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the new soil Humidity Detection equipment for agricultural production based on Internet of Things of the present invention
Figure；
Fig. 2 is the signal processing circuit of the new soil Humidity Detection equipment for agricultural production based on Internet of Things of the present invention
Structural representation；
Fig. 3 is the signal processing circuit of the new soil Humidity Detection equipment for agricultural production based on Internet of Things of the present invention
Circuit theory diagrams；
Fig. 4 is the humidity measuring circuit of the new soil Humidity Detection equipment for agricultural production based on Internet of Things of the present invention
Circuit theory diagrams；
In figure：1. housing, 2. receive window, and 3. signal processing circuits, 4. detection means, 5. first motors, 6. second drive
Dynamic motor, 7. drive shafts, 8. wheels, 9. anti-slop serrations, 10. the 3rd motors, 11. connecting shafts, 12. the 4th motors, 13.
Probe, the triodes of Q1. first, the triodes of Q2. second, the electric capacity of C1. first, the electric capacity of C2. second, the electric capacity of C3. the 3rd, C4. the 4th
Electric capacity, the electric capacity of C5. the 5th, R1. first resistors, R2. second resistances, R3. 3rd resistors, the resistance of R4. the 4th, the resistance of R5. the 5th,
R6. the 6th resistance, the resistance of R7. the 7th, the resistance of R8. the 8th, the resistance of R9. the 9th, BR1. rectifier bridges, PA. ammeters, Rp1. is adjustable
Resistance, the voltage-regulator diodes of D1. first, the voltage-regulator diodes of D2. second, P1. probes.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
As Figure 1-Figure 4, a kind of new soil Humidity Detection equipment for agricultural production based on Internet of Things, including
Housing 1,2, two signal processing circuits 3 of window and detection means 4 being received, the housing 1 is arranged on the top for receiving window 2,
The detection means 4 is arranged on the bottom of housing 1, and the signal processing circuit 3 is located in the both sides of detection means 4；
The signal processing circuit includes integrated circuit U1, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the first electric capacity
C1, the second electric capacity C2 and the 3rd electric capacity C3, the model 1B31, the integrated circuit U1 of the integrated circuit U1 sensor electricity
Source is grounded by bridge circuit, and the input of the integrated circuit U1 is connected with bridge circuit, and the integrated circuit U1's is negative
External -15V the DC voltage power supplies of power end, the negative power end of the integrated circuit U1 pass through the electricity of the first electric capacity C1 and second respectively
Hold C2 ground connection, the common end grounding of the integrated circuit U1, the external 15V direct currents piezoelectricity of power end of the integrated circuit U1
Source, the reference edge of the integrated circuit U1 are grounded by the 3rd electric capacity C3, and the threshold values end of the integrated circuit U1 passes through the 5th electricity
Resistance R5 is connected with integrated circuit U1 333.3 times of threshold values ends, and the bridge excitation output adjustable side of the integrated circuit U1 passes through the 6th
The series circuit of resistance R6 and the 7th resistance R7 compositions is connected with integrated circuit U1 adjustable end；
The measurement signal of sensor is transformed to 0-1OV voltage outputs by the circuit.After power supply, internal reference voltage is preset
For 1OV, bridge excitation output adjustable side increases bridge excitation output voltage when being connected to integrated circuit U1 adjustable end, swashed if reducing bridge
Voltage output is encouraged, then accesses resistance between integrated circuit U1 threshold values end and 333.3 times of threshold values ends.Bridge measuring bridge output letter
Number instrumentation amplifier delivered to by integrated circuit U1 positive input terminal and negative input end inside integrated circuit U1.Amplifier gain
Determined by the resistance between integrated circuit U1 bridge excitation output adjustable side and adjustable end, adjust the 7th resistance R7, be i.e. regulation is put
The gain of big device.
The detection means 4 includes 11, two the 4th the 3rd motor 10, the connecting shaft driving electricity set straight down
The quantity of machine 12 and two probes 13, the quantity of the 4th motor 12 and probe 13 is consistent and one-to-one corresponding, and described the
Three motors 10 are connected with connecting shaft 11, and the 4th motor 12 is arranged on the both sides of connecting shaft 11, and described
Four motors 10 are connected with the 4th motor 12；
Central processing unit, first motor 5, the second motor 6, the 3rd motor 10 are provided with the housing 1
It is connected with the 4th motor 12 with central processing unit, humidity detecting module and wireless telecommunications is provided with the central processing unit
Module, the probe 13 electrically connect with humidity detecting module, and the humidity detecting module includes humidity measuring circuit, the humidity
Detecting circuit includes the first triode Q1, the second triode Q2, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electricity
Hold C4, the 5th electric capacity C5, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th electricity
Hinder R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, rectifier bridge BR1, ammeter PA, adjustable resistance Rp1, the first voltage stabilizing
Diode D1, the second voltage-regulator diode D2 and probe P1, the emitter stage of the first triode Q1 and the second triode Q2 hair
Emitter-base bandgap grading is grounded, and the colelctor electrode of the first triode Q1 passes through the external 5V direct currents of first resistor R1 and 3rd resistor R3 respectively
Voltage source, the colelctor electrode of the second triode Q2 pass through second resistance R2 and the external 5V direct currents piezoelectricity of the 4th resistance R4 respectively
Source, one end of the second electric capacity C2 are connected with the first triode Q1 colelctor electrode, the other end of the second electric capacity C2 and
Two triode Q2 base stage connection, one end of the 3rd electric capacity C3 are connected with the second triode Q2 colelctor electrode, and the described 3rd
The electric capacity C3 other end is connected with the first triode Q1 base stage, one end ground connection of the first electric capacity C1, first electric capacity
The C1 other end is connected by first resistor R1 with the first triode Q1 colelctor electrode, and the colelctor electrode of the first triode Q1 leads to
Cross the 6th resistance R6 to be connected with probe P1, the first input end of the rectifier bridge BR1 passes through the first voltage-regulator diode D1 and second
Voltage-regulator diode D2 anti-series circuit is connected with probe P1, and the first input end of the rectifier bridge BR1 passes through the 7th resistance R7
It is connected with the series circuit of adjustable resistance Rp1 compositions with probe P1, the second input of the rectifier bridge BR1 is electric with the 7th respectively
Resistance R7 connects with adjustable resistance Rp1, and the colelctor electrode of the second triode Q2 passes through the first of the 5th resistance R5 and rectifier bridge BR1
Input connection, the first output end of the rectifier bridge BR1 pass through the series circuit that the 8th resistance R8 and the 5th resistance R5 is formed
It is connected with rectifier bridge BR1 first input end, the first output end of the rectifier bridge BR1 passes through the 8th resistance R8 and the 5th electric capacity
The series circuit of R5 compositions is connected with rectifier bridge BR1 the second output end, and the first output end of the rectifier bridge BR1 passes through the 4th
Electric capacity R4 is connected with rectifier bridge BR1 the second output end, and the first output end of the rectifier bridge BR1 passes through the 8th resistance R8, electricity
The series circuit of flow table PA and the 9th resistance R9 compositions is connected with rectifier bridge BR1 the second output end.
Preferably, the bridge circuit includes first resistor R1, second resistance R2,3rd resistor R3 and the 4th resistance
Series circuit that R4, the integrated circuit U1 probe power end are made up of first resistor R1 and second resistance R2 respectively,
The series circuit ground connection of 3rd resistor R3 and the 4th resistance R4 compositions, the positive input terminal of the integrated circuit U1 are electric with first respectively
Resistance R1 connects with second resistance R2, and the negative input end of the integrated circuit U1 connects with 3rd resistor R3 and the 4th resistance R4 respectively
Connect.
Preferably, the model MB8S of the rectifier bridge BR1.
Preferably, the first triode Q1 and the second triode Q2 are NPN triode.
Preferably, in order to improve the reliability of device movement, the wheel 8 is provided with anti-slop serrations 9.
Preferably, direct current generator has the characteristics of driving force is strong, so as to improve the reliability of device, described first
Motor 5, the second motor 6, the 3rd motor 10 and the 4th motor 12 are direct current generator.
Preferably, the reception window 2 is infrared receiver window.
When the soil moisture detects, being moved by signal processing circuit 3, the operation principle of signal processing circuit 3 is,
Second motor 6 is run, and drives drive shaft 7 to rotate, and the wheel being connected with drive shaft 7 rotates, and produces driving force, is promoted
The soil moisture detection device advances, and when needing travel direction to adjust, passes through the rotation of the first motor 5, the second driving
The angle of motor 6 changes, and wheel direction of advance changes, so as to realize the change of equipment moving direction.Moved in equipment
During, soil moisture is monitored by detection means 4, controls the 3rd motor 10 to run by central processing unit,
So that the height of connecting shaft 11 changes, when carrying out Humidity Detection, the height of connecting shaft 11, while the 4th motor are reduced
12 operations, drive probe 13 to rotate, and the convenient insertion of probe 13 soil detects to soil moisture, when that need not detect, carries
The height of high connecting shaft 11, while the 3rd motor 10 and the 4th motor 12 are out of service.Due in detection process,
Equipment is in mobile state, therefore can ensure that the equipment can detect the soil moisture in a wide range of.
During detection operation, by 13 detection signals of popping one's head in, by the incoming central processing unit received in window 2 of signal, centre
Humidity measuring circuit in reason device starts computing, and the humidity measuring circuit is by the first triode Q1, the second triode Q2, the second electricity
Hold C2, the 3rd electric capacity C3, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4 etc. has collectively constituted one and shaken
Swing circuit.Frequency of oscillation is controlled by the 6th resistance R6, and a 6th resistance R6 end is connected on a probe P1 lead,
In probe P1 insertion soil.With the change of soil moisture, also significant change is occurring for the resistance value on probe P1, this
When individual change is conducted to the 6th resistance R6, the frequency of oscillation for making oscillating circuit is changed.Frequency change can be by being connected to
The ammeter PA of the second triode Q2 colelctor electrodes amplitude of oscillation shows that people come further according to this ammeter PA amplitude of oscillation scale
Judge the size of humidity.
Compared with prior art, it is somebody's turn to do the new soil Humidity Detection equipment for agricultural production based on Internet of Things and passes through inspection
Survey the insertion of probe 13 soil in device 4 to detect soil moisture, while utilize the first driving electricity in signal processing circuit 3
The motor 6 of machine 5 and second ensures that equipment moves freely, and comprehensive accurate detection is carried out so as to realize equipment to the region；
Moreover, in humidity measuring circuit, using conventional component in humidity measuring circuit, ensureing to humidity precise acquisition
While, production cost is also reduced, improves the practical value of equipment, signal processing circuit has the function that adjustable gain,
The collection of different grades of input signal is disclosure satisfy that, improves the reliability of signal processing circuit.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (7)
1. a kind of new soil Humidity Detection equipment for agricultural production based on Internet of Things, it is characterised in that including housing
（1）, receive window（2）, two signal processing circuits（3）And detection means（4）, the housing（1）It is arranged on reception window（2）
Top, the detection means（4）It is arranged on housing（1）Bottom, the signal processing circuit（3）Positioned in detection means
（4）Both sides；
The signal processing circuit includes integrated circuit（U1）, the 5th resistance（R5）, the 6th resistance（R6）, the 7th resistance（R7）、
First electric capacity（C1）, the second electric capacity（C2）With the 3rd electric capacity（C3）, the integrated circuit（U1）Model 1B31, it is described integrated
Circuit（U1）Probe power end be grounded by bridge circuit, the integrated circuit（U1）Input and bridge circuit connect
Connect, the integrated circuit（U1）External -15V the DC voltage power supplies of negative power end, the integrated circuit（U1）Negative power end
Pass through the first electric capacity respectively（C1）With the second electric capacity（C2）Ground connection, the integrated circuit（U1）Common end grounding, it is described integrated
Circuit（U1）The external 15V DC voltage power supplies of power end, the integrated circuit（U1）Reference edge pass through the 3rd electric capacity（C3）
Ground connection, the integrated circuit（U1）Threshold values end pass through the 5th resistance（R5）With integrated circuit（U1）333.3 times of threshold values ends connect
Connect, the integrated circuit（U1）Bridge excitation output adjustable side pass through the 6th resistance（R6）With the 7th resistance（R7）The series connection of composition
Circuit and integrated circuit（U1）Adjustable end connection；
The detection means（4）Including the 3rd motor set straight down（10）, connecting shaft（11）, two the 4th drivings
Motor（12）With two probes（13）, the 4th motor（12）Quantity and probe（13）Quantity it is consistent and one a pair
Should, the 3rd motor（10）With connecting shaft（11）Drive connection, the 4th motor（12）It is arranged on connecting shaft
（11）Both sides, the 4th motor（10）With the 4th motor（12）Drive connection；
The housing（1）It is interior to be provided with central processing unit, first motor（5）, the second motor（6）, the 3rd driving
Motor（10）With the 4th motor（12）It is connected with central processing unit, humidity detecting module is provided with the central processing unit
And wireless communication module, the probe（13）Electrically connected with humidity detecting module, the humidity detecting module includes Humidity Detection
Circuit, the humidity measuring circuit include the first triode（Q1）, the second triode（Q2）, the first electric capacity（C1）, the second electric capacity
（C2）, the 3rd electric capacity（C3）, the 4th electric capacity（C4）, the 5th electric capacity（C5）, first resistor（R1）, second resistance（R2）, the 3rd electricity
Resistance（R3）, the 4th resistance（R4）, the 5th resistance（R5）, the 6th resistance（R6）, the 7th resistance（R7）, the 8th resistance（R8）, the 9th
Resistance（R9）, rectifier bridge（BR1）, ammeter（PA）, adjustable resistance（Rp1）, the first voltage-regulator diode（D1）, the pole of the second voltage stabilizing two
Pipe（D2）And probe（P1）, first triode（Q1）Emitter stage and the second triode（Q2）Emitter stage be grounded, institute
State the first triode（Q1）Colelctor electrode pass through first resistor respectively（R1）And 3rd resistor（R3）External 5V DC voltage power supplies,
Second triode（Q2）Colelctor electrode pass through second resistance respectively（R2）With the 4th resistance（R4）External 5V direct currents piezoelectricity
Source, second electric capacity（C2）One end and the first triode（Q1）Colelctor electrode connection, second electric capacity（C2）It is another
End and the second triode（Q2）Base stage connection, the 3rd electric capacity（C3）One end and the second triode（Q2）Colelctor electrode connect
Connect, the 3rd electric capacity（C3）The other end and the first triode（Q1）Base stage connection, first electric capacity（C1）One end
Ground connection, first electric capacity（C1）The other end pass through first resistor（R1）With the first triode（Q1）Colelctor electrode connection, institute
State the first triode（Q1）Colelctor electrode pass through the 6th resistance（R6）With probe（P1）Connection, the rectifier bridge（BR1）First
Input passes through the first voltage-regulator diode（D1）With the second voltage-regulator diode（D2）Anti-series circuit and probe（P1）Connection, institute
State rectifier bridge（BR1）First input end pass through the 7th resistance（R7）And adjustable resistance（Rp1）The series circuit and probe of composition
（P1）Connection, the rectifier bridge（BR1）The second input respectively with the 7th resistance（R7）And adjustable resistance（Rp1）Connection, institute
State the second triode（Q2）Colelctor electrode pass through the 5th resistance（R5）With rectifier bridge（BR1）First input end connection, it is described whole
Flow bridge（BR1）The first output end pass through the 8th resistance（R8）With the 5th resistance（R5）The series circuit and rectifier bridge of composition
（BR1）First input end connection, the rectifier bridge（BR1）The first output end pass through the 8th resistance（R8）With the 5th electric capacity
（R5）The series circuit and rectifier bridge of composition（BR1）The second output end connection, the rectifier bridge（BR1）The first output end lead to
Cross the 4th electric capacity（R4）With rectifier bridge（BR1）The second output end connection, the rectifier bridge（BR1）The first output end pass through
Eight resistance（R8）, ammeter（PA）With the 9th resistance（R9）The series circuit and rectifier bridge of composition（BR1）The second output end connect
Connect.
2. the new soil Humidity Detection equipment for agricultural production based on Internet of Things as claimed in claim 1, its feature
It is, the bridge circuit includes first resistor R1, second resistance R2,3rd resistor R3 and the 4th resistance R4, the integrated electricity
Series circuit that road U1 probe power end is made up of first resistor R1 and second resistance R2 respectively, 3rd resistor R3 and the
The series circuit ground connection of four resistance R4 compositions, the positive input terminal of the integrated circuit U1 respectively with first resistor R1 and second resistance
R2 connections, the negative input end of the integrated circuit U1 are connected with 3rd resistor R3 and the 4th resistance R4 respectively.
3. the new soil Humidity Detection equipment for agricultural production based on Internet of Things as claimed in claim 1, its feature
It is, the rectifier bridge（BR1）Model MB8S.
4. the new soil Humidity Detection equipment for agricultural production based on Internet of Things as claimed in claim 1, its feature
It is, first triode（Q1）With the second triode（Q2）It is NPN triode.
5. the new soil Humidity Detection equipment for agricultural production based on Internet of Things as claimed in claim 1, its feature
It is, the wheel（8）It is provided with anti-slop serrations（9）.
6. the new soil Humidity Detection equipment for agricultural production based on Internet of Things as claimed in claim 1, its feature
It is, first motor（5）, the second motor（6）, the 3rd motor（10）With the 4th motor（12）
For direct current generator.
7. the new soil Humidity Detection equipment for agricultural production based on Internet of Things as claimed in claim 1, its feature
It is, the reception window（2）For infrared receiver window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613619.3A CN107621485A (en) | 2017-07-25 | 2017-07-25 | A kind of new soil Humidity Detection equipment for agricultural production based on Internet of Things |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613619.3A CN107621485A (en) | 2017-07-25 | 2017-07-25 | A kind of new soil Humidity Detection equipment for agricultural production based on Internet of Things |
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| CN107621485A true CN107621485A (en) | 2018-01-23 |
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| CN201710613619.3A Pending CN107621485A (en) | 2017-07-25 | 2017-07-25 | A kind of new soil Humidity Detection equipment for agricultural production based on Internet of Things |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613077A (en) * | 2019-02-19 | 2019-04-12 | 山东农业大学 | A kind of rotatable soil humidity information acquisition device |
| CN109739163A (en) * | 2018-12-27 | 2019-05-10 | 长春市竹子科技有限公司 | A kind of facility agricultural environment intelligent control system of Internet of Things |
| CN111398567A (en) * | 2020-04-20 | 2020-07-10 | 湖州锦鸿环保工程有限公司 | Soil environment detection device based on thing networking |
-
2017
- 2017-07-25 CN CN201710613619.3A patent/CN107621485A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109739163A (en) * | 2018-12-27 | 2019-05-10 | 长春市竹子科技有限公司 | A kind of facility agricultural environment intelligent control system of Internet of Things |
| CN109613077A (en) * | 2019-02-19 | 2019-04-12 | 山东农业大学 | A kind of rotatable soil humidity information acquisition device |
| CN109613077B (en) * | 2019-02-19 | 2024-03-15 | 山东农业大学 | Rotatable soil humidity information acquisition device |
| CN111398567A (en) * | 2020-04-20 | 2020-07-10 | 湖州锦鸿环保工程有限公司 | Soil environment detection device based on thing networking |
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