CN207067046U - Dedicated processes chip based on electrode method testing soil moisture - Google Patents
Dedicated processes chip based on electrode method testing soil moisture Download PDFInfo
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- CN207067046U CN207067046U CN201721080244.0U CN201721080244U CN207067046U CN 207067046 U CN207067046 U CN 207067046U CN 201721080244 U CN201721080244 U CN 201721080244U CN 207067046 U CN207067046 U CN 207067046U
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Abstract
The utility model discloses a kind of dedicated processes chip based on electrode method testing soil moisture, its technical scheme is to include square-wave signal generation circuit, RC charge-discharge circuit and voltage conversion circuit, square-wave signal generation circuit exports clean square wave, RC charge-discharge circuit connection is arranged in soil, and receive electrode detection is carried out to the moisture in soil after clean square wave after form detection signal, voltage conversion circuit connects RC charge-discharge circuit, and receive output voltage signal after detection signal, benchmark is additionally provided with dedicated processes chip and enables power supply and alignment unit, power supply is enabled by benchmark to can be used in carrying out square-wave signal generation circuit enabled control, can be respectively to square-wave signal generation circuit by alignment unit, it is default with calibrating that RC charge-discharge circuit and voltage conversion circuit carry out initialization.Dedicated processes chip of the present utility model based on electrode method testing soil moisture quickly can carry out moisture Humidity Detection to soil, improve intuitively to moisture in soil monitoring effect.
Description
Technical field
It the utility model is related to a kind of dedicated processes chip based on electrode method testing soil moisture.
Background technology
At present in terms of plant and flower planting, it is managed using veteran employee so that cause experience
Abundant undermanned situation, and the situation of error in judgement also occurs in veteran personnel in terms of planting, and
And in terms of family's independent part carries out flower planting, because user lacks understanding to plantation aspect knowledge so that easily shine
Paired plant is forgotten to water, or pours the situation of how much water so that unfavorable condition or directly dead situation easily occurs in plant.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is that provide one kind quickly can be carried out to soil
Moisture Humidity Detection, improve the dedicated processes chip based on electrode method testing soil moisture of moisture monitoring effect directly perceived.
To achieve the above object, the utility model provides following technical scheme：One kind is based on electrode method testing soil water
The dedicated processes chip divided, including square-wave signal generation circuit, RC charge-discharge circuit and voltage conversion circuit, the square-wave signal
Generation circuit output clean square wave, RC charge-discharge circuit connection are arranged in soil, and are received after clean square wave to soil
Interior moisture forms detection signal after carrying out electrode detection, and the voltage conversion circuit connects RC charge-discharge circuit, and receives inspection
Output voltage signal after signal is surveyed, benchmark is additionally provided with dedicated processes chip and enables power supply and alignment unit, is made by benchmark
Energy power supply can be used in carrying out square-wave signal generation circuit enabled control, and square-wave signal can be sent out respectively by alignment unit
It is default with calibrating that raw circuit, RC charge-discharge circuit and voltage conversion circuit carry out initialization.
The utility model is further arranged to：The square-wave signal generation circuit is square wave signal generator.
The utility model is further arranged to：The square wave signal generator is accurate 100MHZ signal generators.
The utility model is further arranged to：The RC charge-discharge circuit is included at debugging resistance, detection electric capacity and logic
Device is managed, the output end series connection of the square wave signal generator debugs one end of connecting detection electric capacity after resistance, detects the another of electric capacity
One end is grounded, and the output end of the input connection square wave signal generator of the logic processor, another input is connected to
Debug between resistance and detection electric capacity.
The utility model is further arranged to：The detection electric capacity is set in battery lead plate, and is inserted and be arranged in soil.
The utility model is further arranged to：The voltage conversion circuit is operational amplifier, first resistor and the second electricity
Resistance, an input of the operational amplifier and the output end of logic processor connect, after another input series connection first resistor
Ground connection, second resistance of being connected between the output end of operational amplifier and the input of connection first resistor on operational amplifier.
The utility model is further arranged to：Between the output end of the logic processor and the input of operational amplifier
It is in series with 3rd resistor.
The utility model is further arranged to：First is connected with the input of the operational amplifier connection 3rd resistor
Electric capacity, one end concatenation operation amplifier of first electric capacity, other end ground connection.
The utility model is further arranged to：The benchmark, which enables power supply, includes external power supply, the second electric capacity and enabled control
Device processed, the external power supply connect the power end and Enable Pin of enabled controller respectively, and described second electric capacity one end is connected to outer
Connect between power supply and enabled controller, other end ground connection.
The utility model is further arranged to：The external power supply is 2.5-5.5V voltage source.
The utility model tool has the advantage that：Moisture Humidity Detection quickly can be carried out to soil, improve moisture prison directly perceived
Effect is surveyed, by the setting of alignment unit, calibration control can be carried out to each circuit, avoid data error and cause chip defeated
The prohibited data detection gone out is true, passes through the setting that square wave signal generator is accurate 100MHZ signal generators, it is possible to increase defeated
Canonical parameter and detection time to voltage signal adjust, the setting of the logic processor, can be in the input of detection electric capacity
It during synchronous with the square wave signal generator input and output of signal, can enter to travel out the output of data, avoid the dry of external power source
Disturb, cause the situation that detection electric capacity produces detection signal occur, by the setting of first resistor and second resistance, can avoid outer
Portion's interference signal influences on the input/output terminal of operational amplifier, can be defeated to logic processor by the setting of the first electric capacity
The detection signal gone out is filtered operation, improves the stability of detection signal, and the bounce for avoiding detection signal causes input to transport
The signal for calculating amplifier produces deviation of signal, and the detection information for causing chip to export is inaccurate, passes through the setting of the second electric capacity, energy
It is enough that voltage stabilization is carried out to external power supply, improve the power input effect of external power supply.
Brief description of the drawings
Fig. 1 is system block diagram of the present utility model；
Fig. 2 is chip exterior circuit theory diagrams of the present utility model；
Fig. 3 is chip internal circuits schematic diagram of the present utility model.
In figure：1st, square-wave signal generation circuit；2nd, RC charge-discharge circuit；3rd, voltage conversion circuit；4th, benchmark enables power supply；
5th, alignment unit；6th, square wave signal generator；7th, resistance is debugged；8th, electric capacity is detected；9th, logic processor；10th, operational amplifier；
11st, first resistor；12nd, second resistance；13rd, 3rd resistor；14th, the first electric capacity；15th, external power supply；16th, the second electric capacity；17th, make
Can controller.
Embodiment
Referring to figs. 1 to shown in 3, a kind of dedicated processes chip based on electrode method testing soil moisture of the present embodiment, wrap
Include square-wave signal generation circuit 1, RC charge-discharge circuit 2 and voltage conversion circuit 3, the output of square-wave signal generation circuit 1 rule
Then square wave, the connection of RC charge-discharge circuit 2 are arranged in soil, and carry out electricity to the moisture in soil after receiving clean square wave
Detection signal is formed after the detection of pole, the voltage conversion circuit 3 connects RC charge-discharge circuit 2, and is exported after receiving detection signal
Voltage signal, benchmark is additionally provided with dedicated processes chip and enables power supply 4 and alignment unit 5, enabling power supply 4 by benchmark can
For carrying out enabled control to square-wave signal generation circuit 1, by alignment unit 5 can respectively to square-wave signal generation circuit 1,
It is default with calibrating that RC charge-discharge circuit 2 and voltage conversion circuit 3 carry out initialization.
The square-wave signal generation circuit 1 is square-wave signal transmitter 6.
The square-wave signal transmitter 6 is accurate 100MHZ signal generators.
The RC charge-discharge circuit 2 includes debugging resistance 7, detection electric capacity 8 and logic processor 9, the square-wave signal hair
One end of connecting detection electric capacity 8, the other end ground connection of detection electric capacity 8, the logic after the output end series connection debugging resistance of emitter 6
The output end of the input connection square wave signal projector 6 of processor 9, another input are connected to debugging resistance 7 and detection
Between electric capacity 8.
The detection electric capacity is set in battery lead plate, and is inserted and be arranged in soil.
The voltage conversion circuit 3 is operational amplifier 10, first resistor 11 and second resistance 12, the operational amplifier
10 input is connected with the output end of logic processor 9, is grounded after another input series connection first resistor 11, operation amplifier
Connected second resistance 12 between the output end of device 10 and the input that first resistor 11 is connected on operational amplifier 10.
3rd resistor 13 is in series between the output end of the logic processor 9 and the input of operational amplifier 10.
The operational amplifier 10 connects and is connected with the first electric capacity 14, first electric capacity on the input of 3rd resistor 13
14 one end concatenation operation amplifier 10, other end ground connection.
The benchmark, which enables power supply 4, includes external power supply 15, the second electric capacity 16 and enabled controller 17, the external power supply
The power end and Enable Pin of enabled controller 17 are connected respectively, and described one end of second electric capacity 16 is connected to external power supply 15 with enabling
Between controller 17, other end ground connection.
The external power supply 15 is 2.5-5.5V voltage source.
By using above-mentioned technical proposal, moisture Humidity Detection quickly can be carried out to soil, improve moisture monitoring directly perceived
Effect, by the setting of alignment unit 5, calibration control can be carried out to each circuit, avoid data error and cause chip defeated
The prohibited data detection gone out is true, passes through the setting that square-wave signal transmitter 6 is accurate 100MHZ signal generators, it is possible to increase defeated
Canonical parameter and detection time to voltage signal adjust, the setting of the logic processor 9, can be in the defeated of detection electric capacity 8
When entering signal with square-wave signal 6 synchronous input and output of transmitter, it can enter to travel out the output of data, avoid external power source
Interference, cause the situation that detection electric capacity 8 produces detection signal occur, pass through the setting of first resistor 11 and second resistance 12, energy
External interference signals are enough avoided to influence the input/output terminal of operational amplifier 10, can be right by the setting of the first electric capacity 14
The detection signal that logic processor 9 exports is filtered operation, improves the stability of detection signal, avoids the jump of detection signal
The dynamic signal for causing input operational amplifier 10 produces deviation of signal, and the detection information for causing chip to export is inaccurate, by the
The setting of two electric capacity 16, voltage stabilization can be carried out to external power supply 15, improve the power input effect of external power supply 15.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
- A kind of 1. dedicated processes chip based on electrode method testing soil moisture, it is characterised in that：Electricity occurs including square-wave signal Road, RC charge-discharge circuit and voltage conversion circuit, the square-wave signal generation circuit export clean square wave, the RC discharge and recharges electricity Road connection is arranged in soil, and receive electrode detection is carried out to the moisture in soil after clean square wave after form detection signal, The voltage conversion circuit connects RC charge-discharge circuit, and receives output voltage signal after detection signal, in dedicated processes chip It is additionally provided with benchmark and enables power supply and alignment unit, enabling power supply by benchmark can be used in carrying out square-wave signal generation circuit Enabled control, can be entered to square-wave signal generation circuit, RC charge-discharge circuit and voltage conversion circuit respectively by alignment unit Row initialization is default and calibrates.
- 2. the dedicated processes chip according to claim 1 based on electrode method testing soil moisture, it is characterised in that：It is described Square-wave signal generation circuit is square wave signal generator.
- 3. the dedicated processes chip according to claim 2 based on electrode method testing soil moisture, it is characterised in that：It is described Square wave signal generator is accurate 100MHZ signal generators.
- 4. the dedicated processes chip according to claim 2 based on electrode method testing soil moisture, it is characterised in that：It is described RC charge-discharge circuit includes debugging resistance, detection electric capacity and logic processor, the output end series connection of the square wave signal generator One end of connecting detection electric capacity after debugging resistance, detects the other end ground connection of electric capacity, and an input of the logic processor connects The output end of square wave signal generator is connect, another input is connected between debugging resistance and detection electric capacity.
- 5. the dedicated processes chip according to claim 4 based on electrode method testing soil moisture, it is characterised in that：It is described Detect electric capacity to set in battery lead plate, and insert and be arranged in soil.
- 6. the dedicated processes chip according to claim 4 based on electrode method testing soil moisture, it is characterised in that：It is described Voltage conversion circuit is operational amplifier, first resistor and second resistance, an input of the operational amplifier with logic The output end connection of device is managed, is grounded after another input series connection first resistor, the output end and operational amplifier of operational amplifier Connected second resistance between the input of upper connection first resistor.
- 7. the dedicated processes chip according to claim 6 based on electrode method testing soil moisture, it is characterised in that：It is described 3rd resistor is in series between the output end of logic processor and the input of operational amplifier.
- 8. the dedicated processes chip according to claim 7 based on electrode method testing soil moisture, it is characterised in that：It is described The first electric capacity, one end concatenation operation amplification of first electric capacity are connected with the input of operational amplifier connection 3rd resistor Device, other end ground connection.
- 9. the dedicated processes chip according to claim 1 based on electrode method testing soil moisture, it is characterised in that：It is described Benchmark, which enables power supply, includes external power supply, the second electric capacity and enabled controller, and the external power supply connects enabled controller respectively Power end and Enable Pin, described second electric capacity one end be connected between external power supply and enabled controller, the other end ground connection.
- 10. the dedicated processes chip according to claim 9 based on electrode method testing soil moisture, it is characterised in that：Institute State the voltage source that external power supply is 2.5-5.5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721080244.0U CN207067046U (en) | 2017-08-28 | 2017-08-28 | Dedicated processes chip based on electrode method testing soil moisture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721080244.0U CN207067046U (en) | 2017-08-28 | 2017-08-28 | Dedicated processes chip based on electrode method testing soil moisture |
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| Publication Number | Publication Date |
|---|---|
| CN207067046U true CN207067046U (en) | 2018-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721080244.0U Active CN207067046U (en) | 2017-08-28 | 2017-08-28 | Dedicated processes chip based on electrode method testing soil moisture |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108693216A (en) * | 2018-04-20 | 2018-10-23 | 南京晓庄学院 | A kind of soil moisture content measurement method |
| CN109425642A (en) * | 2017-08-28 | 2019-03-05 | 上海花小二科技有限公司 | Dedicated processes chip based on electrode method testing soil moisture |
-
2017
- 2017-08-28 CN CN201721080244.0U patent/CN207067046U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109425642A (en) * | 2017-08-28 | 2019-03-05 | 上海花小二科技有限公司 | Dedicated processes chip based on electrode method testing soil moisture |
| CN108693216A (en) * | 2018-04-20 | 2018-10-23 | 南京晓庄学院 | A kind of soil moisture content measurement method |
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