CN207423861U - Embedded multiple spot soil testing assemblies - Google Patents
Embedded multiple spot soil testing assemblies Download PDFInfo
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- CN207423861U CN207423861U CN201721311476.2U CN201721311476U CN207423861U CN 207423861 U CN207423861 U CN 207423861U CN 201721311476 U CN201721311476 U CN 201721311476U CN 207423861 U CN207423861 U CN 207423861U
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- soil
- detection circuit
- control module
- module
- soil moisture
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Abstract
The utility model discloses a kind of embedded multiple spot soil testing assemblies, including the power-switching circuit for each module and detection circuit power supply, control module and the bluetooth module being connected respectively with control module, soil surface intensity of illumination detection circuit, soil moisture detection circuit and soil moisture detection circuit, control module receives soil surface intensity of illumination detection circuit, soil moisture detection circuit and the analog quantity of soil moisture detection circuit output are converted to digital quantity by internal ADC and bluetooth module are controlled to send digital information, control module control bluetooth module carries out state switching with Fixed Time Interval between sleep state and working condition, halted state switches when bluetooth module is connected with external equipment, recover state switching when disconnecting.The device has the function of the characteristics of small, complete, communication mode is easy, easy to operation, can measure the soil moisture, humidity and light intensity in real time and be sent to nearby users, understands soil environment situation convenient for user.
Description
Technical field
The utility model is related to a kind of soil testing assemblies, more particularly to a kind of embedded multiple spot soil testing assemblies.
Background technology
With the continuous popularization of intelligent greenhouse, it is required for accurately for the actual conditions of every inch of land in greenhouse
Solution, for being directed to the equipment of soil environment detection instantly, most of is all by artificially regularly observing or use is directed to
The stronger soil acidity or alkalinity of property, humiture equipment carry out；Or it is set similar to the detecting and controlling for integral type of intelligent greenhouse
Standby, the product that rarely detection function is more comprehensively, equipment power dissipation is low, practicability is high occurs.
Detection for soil environment, what is mainly included has：The illumination of the temperature of soil, humidity and soil surface is strong
Degree, these parameters often determine crops can good growth in the soil, it is and less and less for cultivated area instantly,
For output demand higher and higher today, the information of each very little soil is likely to determine whether crop yield is up to standard.
Therefore, the product that a small, detection of production can be comprehensive, low in energy consumption is just particularly important.
In addition to the acquisition to soil environment information, the mode sent for the information collected is also particularly significant
's.Instantly have in product many products be into the interaction of row information by way of Zigbee, but this often all seems
Waste one's talent on a petty job, especially in the case where considering power consumption, the obvious too waste of energy of this mode.And for wire transmission
For mode, due to being in open area, the environmental factor of surrounding is very complicated, and transmission line is very easily damaged, because
This also just seems that reliability is too low.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of embedded multiple spot Soil K+adsorption dress
It puts, overcomes the problems, such as the higher long-play for being not easy to maintain device using compact lithium cell of Zigbee communication mode power consumption.
Technical solutions of the utility model are as follows：A kind of embedded multiple spot soil testing assemblies, including power-switching circuit, control
Molding block and the bluetooth module being connected respectively with control module, soil surface intensity of illumination detection circuit, soil moisture detection electricity
Road and soil moisture detection circuit, power-switching circuit module, bluetooth module, the detection of soil surface intensity of illumination in order to control
Circuit, soil moisture detection circuit and the power supply of soil moisture detection circuit, the control module receive soil surface intensity of illumination
The analog quantity of detection circuit, soil moisture detection circuit and the output of soil moisture detection circuit is converted to number by internal ADC
It measures and bluetooth module is controlled to send digital information, the control module control bluetooth module is with Fixed Time Interval in sleep shape
State switching is carried out between state and working condition, the bluetooth module stops the state switching, institute when being connected with external equipment
It states and recovers the state switching when bluetooth module is disconnected with external equipment.
Preferably, power-switching circuit includes voltage stabilizing chip, is parallel between the voltage stabilizing chip input terminal and earth point
The first capacitance and the second capacitance and the 3rd capacitance and the 4th that is parallel between the voltage stabilizing chip output terminal and earth point
Capacitance.
Preferably, the soil surface intensity of illumination detection circuit includes the first resistor being connected in series and photo resistance,
The first resistor and the tie point of photo resistance access the first analog input end of the control module.
Preferably, the soil moisture detection circuit includes the second resistance that is connected in series and humidity sensor, and described the
The tie point of two resistance and humidity sensor accesses the second analog input end of the control module.
Preferably, the soil moisture detection circuit includes the 3rd resistor that is connected in series and thermistor, and the described 3rd
The tie point of resistance and thermistor accesses the 3rd analog input end of the control module.
Preferably, the control module is STM32F103C8T6 microcontrollers.
The advantages of technical solution provided by the utility model, is：
Device has the function of the characteristics of small, complete, communication mode is easy, easy to operation, can accurately measure soil
Temperature, the intensity of illumination of humidity and soil surface, then by real-time Data Transmission to neighbouring user, user understands soil in detail
The ambient conditions of earth instantly, improves the security of breed of crop, and equipment is practical reliable.It is cut using sleep and working condition interval
The bluetooth module changed carries out wireless data transmission, when itself possessing relatively low operating power consumption simultaneously and having saved notconnect state
Overall Power Consumption enables single unit system to work long hours by small-scale lithium ion cell power supply, and stability is good.
Description of the drawings
Fig. 1 is the embedded multiple spot soil testing assemblies electrical structure schematic diagram of the utility model.
Fig. 2 is the embedded multiple spot soil testing assemblies circuit diagram of the utility model.
Specific embodiment
With reference to embodiment, the utility model is described in further detail, but not as the restriction to the utility model.
It refer to shown in Fig. 1, embedded multiple spot soil testing assemblies include power-switching circuit 1, control module 2 and difference
4.0 module 3 of bluetooth, soil surface intensity of illumination detection circuit 4, soil moisture detection circuit 5 and the soil being connected with control module 2
Earth temperature sensing circuit 6；Wherein, module 2,4.0 module 3 of bluetooth, the inspection of soil surface intensity of illumination in order to control of power-switching circuit 1
Slowdown monitoring circuit 4, soil moisture detection circuit 5 and soil moisture detection circuit 6 are powered.
Incorporated by reference to shown in Fig. 2, power-switching circuit is by ASM117-3.3V voltage stabilizing chip 1a, by 18650 lithium battery 1b
The 3.7V-4.8V of output is converted to stable 3.3V voltages supply whole system and uses, wherein in ASM1117-3.3V voltage stabilizing cores
In parallel the second tile electricity of the first ceramic disc capacitor C1 and a 10uF of a 0.1uF between the input terminal and earth point of piece 1a
Hold C3, the 3rd tile of a 0.1uF in parallel equally between the output terminal and earth point of ASM1117-3.3V voltage stabilizing chips 1a
The 4th ceramic disc capacitor C4 of capacitance C2 and a 10uF.
Control module 2 is STM32F103C8T6 microcontrollers, and soil surface intensity of illumination detection circuit 4 selects model
The photo resistance 4a of GL5593, the resistance value of its own can with detection environment in light intensity variation and linear change, by it
It connects with the fixed value resistance R1 of a 10K, and applies a positive 3.3V voltages on the circuit.One 12 of control module 2
The voltage of PA15 pins detection photo resistance 4a and fixed value resistance R1 tie points corresponding to No. 15 passages of position ADC, further according to
The voltage summarized during many experiments obtains current soil surface with the correspondence of temperature after the calculating of control module 2
Intensity of illumination size；Soil moisture detection circuit 5 is that the resistance value of itself can be with soil according to soil humidity sensor 5a
The variation of humidity and the principle of linear change, soil humidity sensor 5a is connected with the fixed value resistance R3 of a 10K, and at this
Apply a positive 3.3V voltages on circuit, the PA11 pins inspection corresponding to No. 11 passages of 12 ADC of control module 2
Survey the voltage of soil humidity sensor 5a and fixed value resistance R3 tie points, further according to the voltage summarized during many experiments with
The correspondence of temperature change obtains the ratio of current soil humidity after the calculating of control module 2；Soil moisture detection circuit
6 select the thermistor 6a of model NTC-MF52-103, and the resistance value of its own can linearly become with the variation of the soil moisture
Change, it is connected with the fixed value resistance R2 of a 10K, and apply a positive 3.3V voltages on the circuit, use control mould
PA12 pins detection thermistor 6a corresponding to No. 12 passages of 12 ADC inside block 2 is connected with fixed value resistance R2
The voltage of point further according to the voltage summarized during many experiments with the correspondence of temperature, obtains after the calculating of control module 2
To the size of current soil temperature.
The core controller of 4.0 module 3 of bluetooth is CC2541, and RX pins are connected with the PA2 pins of control module, TX
Pin is connected with the PA3 pins of control module, and STATE pins are connected with the PA1 pins of control module, EN pins and control
The PA4 pins of module are connected, and are realized by STATE the and EN pins that control module 2 is allowed to control 4.0 module 3 of bluetooth without artificial
Operation can just enter the AT instruction modes of bluetooth.4.0 module 3 of bluetooth is being slept with Fixed Time Interval so as to realize
State switching is carried out between dormancy state and working condition, which can be 500ms or so, and bluetooth module 3 with it is outer
Halted state switches during the connection of portion equipment, and when bluetooth module 3 is disconnected with external equipment recovers state switching.Pass through
USART communication modes realize that the information between 4.0 module 3 of control module 2 and bluetooth is transferred, and then pass through 4.0 module 3 of bluetooth
The soil that soil surface intensity of illumination detection circuit 4, soil moisture detection circuit 5 and soil moisture detection circuit 6 are measured is believed
It ceases and is sent to external equipment.
Claims (6)
1. a kind of embedded multiple spot soil testing assemblies, it is characterised in that：Including power-switching circuit, control module and respectively with
Bluetooth module, soil surface intensity of illumination detection circuit, soil moisture detection circuit and the soil moisture inspection of control module connection
Slowdown monitoring circuit, the power-switching circuit module, bluetooth module, soil surface intensity of illumination detection circuit, soil moisture in order to control
Detection circuit and the power supply of soil moisture detection circuit, the control module receive soil surface intensity of illumination detection circuit, soil
Humidity measuring circuit and the analog quantity of soil moisture detection circuit output are converted to digital quantity by internal ADC and control bluetooth mould
Group sends digital information, the control module control bluetooth module with Fixed Time Interval sleep state and working condition it
Between carry out state switching, the bluetooth module stops the state switching when be connected with external equipment, the bluetooth module and outside
Portion's equipment recovers the state switching when disconnecting.
2. embedded multiple spot soil testing assemblies according to claim 1, it is characterised in that：Power-switching circuit includes steady
It presses chip, the first capacitance being parallel between the voltage stabilizing chip input terminal and earth point and the second capacitance and is parallel to described
The 3rd capacitance and the 4th capacitance between voltage stabilizing chip output terminal and earth point.
3. embedded multiple spot soil testing assemblies according to claim 1, it is characterised in that：The soil surface illumination is strong
Degree detection circuit includes the tie point access of the first resistor being connected in series and photo resistance, the first resistor and photo resistance
First analog input end of the control module.
4. embedded multiple spot soil testing assemblies according to claim 1, it is characterised in that：The soil moisture detection electricity
Road includes the second resistance that is connected in series and humidity sensor, described in the tie point access of the second resistance and humidity sensor
Second analog input end of control module.
5. embedded multiple spot soil testing assemblies according to claim 1, it is characterised in that：The soil moisture detection electricity
Road includes the 3rd resistor being connected in series and thermistor, the tie point access control of the 3rd resistor and thermistor
3rd analog input end of module.
6. embedded multiple spot soil testing assemblies according to claim 1, it is characterised in that：The control module is
STM32F103C8T6 microcontrollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721311476.2U CN207423861U (en) | 2017-10-12 | 2017-10-12 | Embedded multiple spot soil testing assemblies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721311476.2U CN207423861U (en) | 2017-10-12 | 2017-10-12 | Embedded multiple spot soil testing assemblies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207423861U true CN207423861U (en) | 2018-05-29 |
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ID=62310998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721311476.2U Active CN207423861U (en) | 2017-10-12 | 2017-10-12 | Embedded multiple spot soil testing assemblies |
Country Status (1)
| Country | Link |
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| CN (1) | CN207423861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596341A (en) * | 2019-06-28 | 2019-12-20 | 南京天补智联信息科技有限公司 | Integrated soil and surrounding environment detection system |
-
2017
- 2017-10-12 CN CN201721311476.2U patent/CN207423861U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596341A (en) * | 2019-06-28 | 2019-12-20 | 南京天补智联信息科技有限公司 | Integrated soil and surrounding environment detection system |
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