CN212364288U - Soil five-needle detector - Google Patents
Soil five-needle detector Download PDFInfo
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- CN212364288U CN212364288U CN202020926186.4U CN202020926186U CN212364288U CN 212364288 U CN212364288 U CN 212364288U CN 202020926186 U CN202020926186 U CN 202020926186U CN 212364288 U CN212364288 U CN 212364288U
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Abstract
The utility model provides a five needle detectors of soil, include: a shell and a carrier plate; the inner wall of the shell is provided with a slideway component; one end of the shell is provided with an opening; the carrier plate is inserted into the shell through the opening; the single chip microcomputer detects soil humidity through the humidity sensing device, detects soil pH value through the pH sensing device, and detects soil conductivity through the conductivity sensing device; the singlechip transmits the detected information to the upper computer through the wireless communication module. The soil five-needle detector realizes detection of various information including temperature information, soil humidity information, soil pH value information and soil conductivity information. Information can be uploaded to an upper computer in a remote communication mode, and monitoring requirements are met.
Description
Technical Field
The utility model relates to a soil detection technical field especially relates to a five needle detectors of soil.
Background
Along with thing networking and wisdom agricultural development, wherein the sensor of soil relevant parameter has obtained more extensive application, and the effectual help staff knows the soil condition, through to the monitoring of crop growth environment, not only can further promote water-saving irrigation, can make the better of crops growth moreover, has promoted the development of agricultural modernization.
Soil sensor on the present market is mostly two needles or three needles, can only detect one to two kinds of soil parameters, is not convenient for like this comprehensively understand soil current state, influences the detection effect.
SUMMERY OF THE UTILITY MODEL
In order to overcome not enough among the above-mentioned prior art, the utility model provides a five needle detectors of soil, include: a shell and a carrier plate;
the inner wall of the shell is provided with a slideway component;
the carrier plate is inserted into the shell through the opening;
the slideway component is provided with an upper slideway and a lower slideway;
the upper slideway and the lower slideway clamp the carrier plate in the middle, and the side part of the carrier plate slides along the slideway component;
one end of the support plate is abutted against the baffle plate in the shell, and the other end of the support plate is abutted against the abutting object;
one end of the carrier plate is provided with five connecting pieces; each connecting piece is detachably connected with the probe;
the carrier plate is provided with a singlechip, a wireless communication module, a temperature sensor, a humidity sensing device, a pH sensing device and a conductivity sensing device,
the wireless communication module, the temperature sensor, the humidity sensing device, the pH sensing device and the conductivity sensing device are respectively connected with the single chip microcomputer;
a side wall through hole is formed in the side wall of the shell, and a temperature sensing head of the temperature sensor extends out of the shell through the side wall through hole to sense temperature information and transmit the sensed temperature information to the single chip microcomputer;
the single chip microcomputer detects the soil humidity through a humidity sensing device, detects the soil pH value through a pH sensing device, and detects the soil conductivity through a conductivity sensing device; the singlechip transmits the detected temperature information, soil humidity information, soil pH value information and soil conductivity information to the upper computer through the wireless communication module.
Preferably, the pH sensing device adopts an e-201pH composite electrode;
the pH sensing device is connected with the singlechip through a pH operational amplifier circuit and an AD conversion circuit;
the pH operational amplifier circuit comprises: a resistor R1, a resistor R2 and an operational amplifier U1;
two pins of the operational amplifier U1 are connected with the input end of the pH operational amplifier circuit; one pin of the operational amplifier U1 is respectively connected with the first end of the resistor R1 and the first end of the resistor R2; the second end of the resistor R2 is grounded; the second end of the resistor R1 is respectively connected with four pins of the operational amplifier U1 and the output end of the pH operational amplifier circuit; the three pins of the pH operational amplifier circuit are connected with a power supply;
the AD conversion circuit adopts an AD7705 circuit.
Preferably, the conductivity sensing means comprises: the probe comprises a first probe connecting circuit, a second probe connecting circuit, a TL082 low-frequency sinusoidal signal generating circuit, an INA2132 two-way differential amplifying circuit and an AD7705 circuit;
the first probe connecting circuit and the second probe connecting circuit are respectively and correspondingly connected with one probe;
the first probe connection circuit includes: a resistor R7, a resistor R9, a capacitor C5 and a capacitor C8;
the second probe connection circuit includes: a resistor R8, a resistor R10, a capacitor C6 and a capacitor C9;
a first end of the capacitor C5 is connected with one probe of the probes; the second end of the capacitor C5 is respectively connected with the first end of the resistor R7, the first end of the resistor R9 and the first end of the capacitor C8; the second end of the capacitor C8 is grounded; the second end of the resistor R7 and the second end of the resistor R9 are respectively connected with the first probe connecting circuit connecting end;
a first end of the capacitor C6 is connected with one probe of the probes; the second end of the capacitor C6 is respectively connected with the first end of the resistor R8, the first end of the resistor R10 and the first end of the capacitor C9; the second end of the capacitor C9 is grounded; the second end of the resistor R8 and the second end of the resistor R10 are respectively connected with the second probe connecting circuit connecting end;
the output end of the TL082 low-frequency sinusoidal signal generating circuit is connected with an INA2132 two-way differential amplifying circuit; probe connecting ends of the INA2132 two-way differential amplification circuit are respectively connected with a first probe connecting circuit and a second probe connecting circuit; the output end of the INA2132 two-way differential amplification circuit is connected with the single chip microcomputer through an AD7705 circuit.
The carrier plate is also provided with a power interface; the power interface is connected with an external power supply through a lead to supply power to the electric elements on the carrier plate.
The carrier plate is also provided with a 12V to 5V circuit, and the 12V to 5V circuit adopts an AMS1117 voltage conversion circuit;
converting the voltage output by the external power supply into +5V output voltage through an AMS1117 voltage conversion circuit; an icl7660 voltage conversion circuit is adopted to convert and output-5V voltage;
5V is converted into 3.3V by the SP6203 low-voltage stabilizing integrated circuit.
The wireless communication module adopts a CC2430 wireless module, or adopts a GPRS communication module, or adopts a WIFI communication module;
the single chip microcomputer adopts an STM32F051 single chip microcomputer and a peripheral circuit thereof, or adopts an ATmega32 single chip microcomputer and a peripheral circuit thereof, or adopts an STM32F103VET6 single chip microcomputer and a peripheral circuit thereof.
Preferably, the first end of the probe is provided with a tip end, and the second end of the probe is provided with an external thread;
the connecting piece is provided with a connecting through hole which is provided with an internal thread matched with the external thread;
the second end of the probe is connected with the connecting through hole of the connecting piece in a threaded mode.
Preferably, the carrier plate is also provided with a reset circuit; the reset circuit is connected with the singlechip.
According to the technical scheme, the utility model has the advantages of it is following:
the soil five-needle detector realizes detection of various information including temperature information, soil humidity information, soil pH value information and soil conductivity information. Information can be uploaded to an upper computer in a remote communication mode, and monitoring requirements are met.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a soil five-needle detector;
FIG. 2 is a schematic view of a carrier;
FIG. 3 is a circuit diagram of a pH operational amplifier;
FIG. 4 is a diagram of a first probe connection circuit and a second probe connection circuit.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
The utility model provides a five needle detectors of soil, as shown in fig. 1 to 4, include: a shell 1 and a carrier plate 2;
the inner wall of the shell 1 is provided with a slideway component 3; one end of the shell 1 is provided with an opening; the carrier plate 2 is inserted into the shell 1 through the opening; the slideway component 3 is provided with an upper slideway and a lower slideway; the carrier plate 2 is clamped in the middle by the upper slideway and the lower slideway, and the side part of the carrier plate 2 slides along the slideway component 3; one end of the carrier plate 2 is abutted with the baffle 4 in the shell 1, and the other end of the carrier plate 2 is abutted with the abutting object; the abutment may be a baffle arranged with the carrier plate 2 such that the baffle is sealingly connected with the opening of the housing 1 by means of a sealing compound. The support plate can be connected with the shell in a sealing mode through the abutting object by adopting sealant. This secures the carrier plate 2 inside the housing 1. The cross-section of the housing 1 may be circular, or elliptical, or rectangular, etc.
One end of the carrier plate 2 is provided with five connecting pieces 5; each connecting piece 5 is detachably connected with a probe 6; further explaining, a tip 7 is arranged at the first end of the probe, and an external thread 8 is arranged at the second end of the probe; the connecting piece is provided with a connecting through hole which is provided with an internal thread matched with the external thread 8; the second end of the probe is connected with the connecting through hole of the connecting piece in a threaded mode.
In the present invention, among the five probes, two probes are connected to the pH sensor 15, the other two probes are connected to the conductivity sensor 16, and the other probe is connected to the humidity sensor 14. Of course, the pH sensor 15 may be configured as one probe and the humidity sensor 14 may be two probes according to actual needs. The specific setting mode can be set according to actual use requirements, and is not limited here.
The carrier plate 2 is provided with a singlechip 11, a wireless communication module 12, a temperature sensor 13, a humidity sensing device 14, a pH sensing device 15 and a conductivity sensing device 16, wherein the wireless communication module 12, the temperature sensor 13, the humidity sensing device 14, the pH sensing device 15 and the conductivity sensing device 16 are respectively connected with the singlechip 11; a side wall through hole is formed in the side wall of the shell 1, a temperature sensing head of the temperature sensor 13 extends out of the shell 1 through the side wall through hole to sense temperature information, and the sensed temperature information is transmitted to the single chip microcomputer 11;
the single chip microcomputer 11 detects soil humidity through a humidity sensing device 14, detects soil pH value through a pH sensing device 15, and detects soil conductivity through a conductivity sensing device 16; the singlechip 11 transmits the detected temperature information, soil humidity information, soil pH value information and soil conductivity information to the upper computer through the wireless communication module 12.
The wireless communication module 12 adopts a CC2430 wireless module, or adopts a GPRS communication module, or adopts a WIFI communication module; the single chip microcomputer 11 adopts an STM32F051 single chip microcomputer 11 and a peripheral circuit thereof, or adopts an ATmega32 single chip microcomputer 11 and a peripheral circuit thereof, or adopts an STM32F103VET6 single chip microcomputer 11 and a peripheral circuit thereof. The temperature sensor 13 is a DS18B20 temperature sensor 13. The humidity sensor 14 is a device commonly used in the art, and is not limited herein. A reset circuit is also arranged on the carrier plate 2; the reset circuit is connected with the singlechip 11. Therefore, the upper computer realizes remote reset through wireless communication with the singlechip 11.
Certainly the utility model relates to a five needle detectors of soil can also detect the water content isoparametric of soil, and concrete detection parameter can also dispose according to the in-service use needs.
In the utility model, a 12V to 5V circuit is also arranged on the carrier plate, and the 12V to 5V circuit adopts an AMS1117 voltage conversion circuit; converting the voltage output by the external power supply into +5V output voltage through an AMS1117 voltage conversion circuit; an icl7660 voltage conversion circuit is adopted to convert and output-5V voltage; 5V is converted into 3.3V by the SP6203 low-voltage stabilizing integrated circuit.
In the utility model, the pH sensing device 15 adopts an e-201pH composite electrode; the e-201pH composite electrode comprises a pH glass electrode and a reference electrode. Thus, the pH value of the soil can be measured.
The pH sensing device 15 is connected with the singlechip 11 through a pH operational amplifier circuit and an AD conversion circuit;
the pH operational amplifier circuit comprises: a resistor R1, a resistor R2 and an operational amplifier U1; two pins of the operational amplifier U1 are connected with the input end of the pH operational amplifier circuit; one pin of the operational amplifier U1 is respectively connected with the first end of the resistor R1 and the first end of the resistor R2; the second end of the resistor R2 is grounded; the second end of the resistor R1 is respectively connected with four pins of the operational amplifier U1 and the output end of the pH operational amplifier circuit; the three pins of the pH operational amplifier circuit are connected with a power supply; the AD conversion circuit adopts an AD7705 circuit.
The pH operational amplifier circuit can amplify the detected pH value data. The AD conversion circuit can perform analog-to-digital conversion on the pH value data and send the pH value data to the single chip microcomputer 11.
The conductivity sensing device 16 includes: the probe comprises a first probe connecting circuit, a second probe connecting circuit, a TL082 low-frequency sinusoidal signal generating circuit, an INA2132 two-way differential amplifying circuit and an AD7705 circuit;
the first probe connecting circuit and the second probe connecting circuit are respectively and correspondingly connected with one probe; the first probe connection circuit includes: a resistor R7, a resistor R9, a capacitor C5 and a capacitor C8; the second probe connection circuit includes: a resistor R8, a resistor R10, a capacitor C6 and a capacitor C9; a first end of the capacitor C5 is connected with one probe of the probes; the second end of the capacitor C5 is respectively connected with the first end of the resistor R7, the first end of the resistor R9 and the first end of the capacitor C8; the second end of the capacitor C8 is grounded; the second end of the resistor R7 and the second end of the resistor R9 are respectively connected with the first probe connecting circuit connecting end; a first end of the capacitor C6 is connected with one probe of the probes; the second end of the capacitor C6 is respectively connected with the first end of the resistor R8, the first end of the resistor R10 and the first end of the capacitor C9; the second end of the capacitor C9 is grounded; the second end of the resistor R8 and the second end of the resistor R10 are respectively connected with the second probe connecting circuit connecting end; the output end of the TL082 low-frequency sinusoidal signal generating circuit is connected with an INA2132 two-way differential amplifying circuit; probe connecting ends of the INA2132 two-way differential amplification circuit are respectively connected with a first probe connecting circuit and a second probe connecting circuit; the output end of the INA2132 two-way differential amplifying circuit is connected with the singlechip 11 through an AD7705 circuit.
Therefore, the soil five-needle detector realizes detection of various information including temperature information, soil humidity information, soil pH value information and soil conductivity information. Information can be uploaded to an upper computer in a remote communication mode, and monitoring requirements are met.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a soil five-needle detector which characterized in that includes: a shell and a carrier plate;
the inner wall of the shell is provided with a slideway component; one end of the shell is provided with an opening;
the carrier plate is inserted into the shell through the opening;
the slideway component is provided with an upper slideway and a lower slideway;
the upper slideway and the lower slideway clamp the carrier plate in the middle, and the side part of the carrier plate slides along the slideway component;
one end of the support plate is abutted against the baffle plate in the shell, and the other end of the support plate is abutted against the abutting object;
one end of the carrier plate is provided with five connecting pieces; each connecting piece is detachably connected with the probe;
the carrier plate is provided with a singlechip, a wireless communication module, a temperature sensor, a humidity sensing device, a pH sensing device and a conductivity sensing device;
the wireless communication module, the temperature sensor, the humidity sensing device, the pH sensing device and the conductivity sensing device are respectively connected with the single chip microcomputer;
a side wall through hole is formed in the side wall of the shell, and a temperature sensing head of the temperature sensor extends out of the shell through the side wall through hole to sense temperature information and transmit the sensed temperature information to the single chip microcomputer;
the single chip microcomputer detects the soil humidity through a humidity sensing device, detects the soil pH value through a pH sensing device, and detects the soil conductivity through a conductivity sensing device; the singlechip transmits the detected temperature information, soil humidity information, soil pH value information and soil conductivity information to the upper computer through the wireless communication module.
2. The soil five-needle detector according to claim 1,
the pH sensing device adopts an e-201pH composite electrode;
the pH sensing device is connected with the singlechip through a pH operational amplifier circuit and an AD conversion circuit;
the pH operational amplifier circuit comprises: a resistor R1, a resistor R2 and an operational amplifier U1;
two pins of the operational amplifier U1 are connected with the input end of the pH operational amplifier circuit; one pin of the operational amplifier U1 is respectively connected with the first end of the resistor R1 and the first end of the resistor R2; the second end of the resistor R2 is grounded; the second end of the resistor R1 is respectively connected with four pins of the operational amplifier U1 and the output end of the pH operational amplifier circuit; the three pins of the pH operational amplifier circuit are connected with a power supply;
the AD conversion circuit adopts an AD7705 circuit.
3. The soil five-needle detector according to claim 1,
the conductivity sensing device includes: the probe comprises a first probe connecting circuit, a second probe connecting circuit, a TL082 low-frequency sinusoidal signal generating circuit, an INA2132 two-way differential amplifying circuit and an AD7705 circuit;
the first probe connecting circuit and the second probe connecting circuit are respectively and correspondingly connected with one probe;
the first probe connection circuit includes: a resistor R7, a resistor R9, a capacitor C5 and a capacitor C8;
the second probe connection circuit includes: a resistor R8, a resistor R10, a capacitor C6 and a capacitor C9;
a first end of the capacitor C5 is connected with one probe of the probes; the second end of the capacitor C5 is respectively connected with the first end of the resistor R7, the first end of the resistor R9 and the first end of the capacitor C8; the second end of the capacitor C8 is grounded; the second end of the resistor R7 and the second end of the resistor R9 are respectively connected with the first probe connecting circuit connecting end;
a first end of the capacitor C6 is connected with one probe of the probes; the second end of the capacitor C6 is respectively connected with the first end of the resistor R8, the first end of the resistor R10 and the first end of the capacitor C9; the second end of the capacitor C9 is grounded; the second end of the resistor R8 and the second end of the resistor R10 are respectively connected with the second probe connecting circuit connecting end;
the output end of the TL082 low-frequency sinusoidal signal generating circuit is connected with an INA2132 two-way differential amplifying circuit; probe connecting ends of the INA2132 two-way differential amplification circuit are respectively connected with a first probe connecting circuit and a second probe connecting circuit; the output end of the INA2132 two-way differential amplification circuit is connected with the single chip microcomputer through an AD7705 circuit.
4. The soil five-needle detector according to claim 1,
the temperature sensor adopts a DS18B20 temperature sensor.
5. The soil five-needle detector according to claim 1,
the carrier plate is also provided with a power interface; the power interface is connected with an external power supply through a lead to supply power to the electric elements on the carrier plate.
6. The soil five-needle detector according to claim 5,
the carrier plate is also provided with a 12V to 5V circuit, and the 12V to 5V circuit adopts an AMS1117 voltage conversion circuit;
converting the voltage output by the external power supply into +5V output voltage through an AMS1117 voltage conversion circuit; an icl7660 voltage conversion circuit is adopted to convert and output-5V voltage;
5V is converted into 3.3V by the SP6203 low-voltage stabilizing integrated circuit.
7. The soil five-needle detector according to claim 1,
the wireless communication module adopts a CC2430 wireless module, or adopts a GPRS communication module, or adopts a WIFI communication module;
the single chip microcomputer adopts an STM32F051 single chip microcomputer and a peripheral circuit thereof, or adopts an ATmega32 single chip microcomputer and a peripheral circuit thereof, or adopts an STM32F103VET6 single chip microcomputer and a peripheral circuit thereof.
8. The soil five-needle detector according to claim 1,
the first end of the probe is provided with a tip end, and the second end of the probe is provided with an external thread;
the connecting piece is provided with a connecting through hole which is provided with an internal thread matched with the external thread;
the second end of the probe is connected with the connecting through hole of the connecting piece in a threaded mode.
9. The soil five-needle detector according to claim 1,
the carrier plate is also provided with a reset circuit; the reset circuit is connected with the singlechip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020926186.4U CN212364288U (en) | 2020-05-26 | 2020-05-26 | Soil five-needle detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020926186.4U CN212364288U (en) | 2020-05-26 | 2020-05-26 | Soil five-needle detector |
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| CN212364288U true CN212364288U (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020926186.4U Active CN212364288U (en) | 2020-05-26 | 2020-05-26 | Soil five-needle detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397429A (en) * | 2022-01-19 | 2022-04-26 | 江苏环保产业技术研究院股份公司 | Soil data acquisition equipment and method for environmental protection monitoring |
-
2020
- 2020-05-26 CN CN202020926186.4U patent/CN212364288U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397429A (en) * | 2022-01-19 | 2022-04-26 | 江苏环保产业技术研究院股份公司 | Soil data acquisition equipment and method for environmental protection monitoring |
| CN114397429B (en) * | 2022-01-19 | 2024-05-14 | 江苏环保产业技术研究院股份公司 | Soil data acquisition equipment and method for environmental protection monitoring |
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