CN210774169U - Farmland information monitoring device - Google Patents

Abstract

The utility model discloses a farmland information monitoring devices, including last casing, lower casing, seal housing, probe pipe and a plurality of sensor that is used for farmland information monitoring, go up the casing and form the cavity that is used for holding seal housing behind the casing concatenation down, sealed cavity has in the seal housing, be equipped with the control unit in the sealed cavity and be used for the power to the control unit power supply, a plurality of sensors all are in the control unit communication connection, the control unit includes wireless data transmission module. The utility model has the advantages of through the setting of wireless data transmission module for but measurement personnel anytime and anywhere's the illumination intensity value that acquires, the measurement personnel of being convenient for carry out the statistics of data.

Description

Farmland information monitoring device

Technical Field

The utility model relates to an environmental monitoring technical field especially relates to a farmland information monitoring device.

Background

With the increasing of agricultural structure adjustment and resident consumption level, the demand of China for agricultural products is increasing day by day, the quality requirement for the agricultural products is also increasing day by day, but the uncontrollable planting environment of the agricultural products leads to the reduction of yield and the reduction of quality, in order to ensure the planting environment of the agricultural products, the agricultural products are in a relatively suitable environment in the planting process, so as to ensure the yield and the quality of the agricultural products, a perfect farmland environment monitoring device is needed, the monitoring of the farmland environment is an important link for tracing the source of the agricultural products, and the growth environment of the agricultural products is controlled in an automatic or semi-automatic mode.

The traditional method is to perform sampling and snapshot detection in the field, then manually record data, and analyze the data. Such an approach is labor and time consuming and does not allow real-time monitoring of the growth of field crops. The traditional method for manually acquiring field environment information often has the defects of poor real-time performance, low efficiency, labor consumption and the like.

Disclosure of Invention

The utility model aims at providing a farmland information monitoring device to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a farmland information monitoring devices, includes casing, lower casing, seal shell, probe tube and a plurality of sensor that is used for farmland information monitoring, form the cavity that is used for holding seal shell after going up casing and the casing concatenation down, seal cavity has in the seal shell, be equipped with the control unit in the seal cavity and be used for the power to the control unit power supply, a plurality of sensors are all in the control unit communication connection, the control unit includes wireless data transmission module.

The utility model discloses a theory of operation: insert the probe pipe and realize fixing this device in the farmland that needs monitoring environment information, a plurality of sensors monitor the environment in farmland and with data transmission to the control unit, and wireless data transmission module is used for uploading monitoring data to the server and supplies survey personnel to call to look over.

The sensor comprises an integrated soil moisture and temperature sensor, a temperature and humidity sensor and an illumination sensor.

The probe tip is equipped with the probe head, integrated soil moisture and temperature sensor locate on the probe head.

The PCB structure is characterized in that a first PCB, a second PCB and a third PCB are arranged in the sealed cavity, one ends of the second PCB and one end of the third PCB are inserted into the first PCB, and the second PCB and the third PCB are connected through pin headers.

The sealed shell is provided with a housing, a cavity for accommodating the temperature and humidity sensor is formed in the housing, and the housing is made of porous metal materials.

The sealed shell is provided with an interface for replacing the SIM card or resetting or charging, and the interface is provided with a sealing plug in sealing fit with the interface.

At least one shutter is detachably arranged on the upper shell or the lower shell, and the shutter comprises a plurality of shutters.

The shutter adopts a streamline S-shaped structure.

The top of the upper shell is provided with a light transmitting sheet, and the light transmitting sheet is covered above the illumination sensor.

Go up the casing top and be equipped with a plurality of inclined planes along its circumference direction slope, inlay on the inclined plane and be equipped with solar cell panel, solar cell panel and power electric connection.

Compared with the prior art, the utility model has the advantages of it is following:

1. the device has simple structure and is convenient for the installation and fixation of the measuring personnel.

2. The sealed cavity has a better protection effect on the control unit and is not easy to be corroded by the external environment.

3. The setting of a plurality of sensors is convenient for monitor the multiple data in the farmland environment, and the measurement personnel of being convenient for are better realizes the control to the farmland.

4. The wireless data transmission module remotely transmits data measured by the sensor to the server, so that measuring personnel are not required to acquire the data on the spot, farmland information with large occupied area and complex terrain is convenient to count, the measuring personnel can acquire monitoring data in real time, and the real-time performance is high.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of a probe head according to the present invention.

Fig. 3 is a schematic structural view of the middle blind of the present invention.

Fig. 4 is a schematic structural diagram of the sealing plug of the present invention.

Fig. 5 is an exploded schematic view of the present invention.

Fig. 6 is a partially enlarged schematic view at a in fig. 5.

Fig. 7 is an exploded view of the sealed housing of the present invention.

Fig. 8 is a schematic structural diagram of the PCB of the present invention.

Fig. 9 is a schematic structural diagram of a PCB of the present invention.

In the figure, 1, an upper shell; 2. a lower housing; 3. sealing the housing; 4. a probe tube; 5. a power source; 6. integrating soil moisture and temperature sensors; 7. a temperature and humidity sensor; 8. an illumination sensor; 9. a probe head; 10. A first PCB board; 11. a second PCB board; 12. a third PCB board; 13. a housing; 14. an interface; 15. A blind window; 16. a light transmitting sheet; 17. a solar panel; 61. a positive electrode plate; 62. a negative electrode plate; 63. An insulating layer; 111. a bevel; 151. louver blades; 141. a sealing plug; 110. a SIM card holder; 112. a PCB antenna; 113. a charging interface; 114. a power switch; 115. a support member; 121. a fourth PCB board; 131. a cover portion; 132. a connecting portion; 311. a plug; 3111. sealing the hole; 31. a lock portion; 1321. sealing gaskets; 1411. A silica gel plug; 41. a trench; 42. special-shaped flat wires.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-9, a farmland information monitoring device, including last casing 1, casing 2 down, seal housing 3, probe tube 4 and a plurality of sensor that are used for farmland information monitoring, form the cavity that is used for holding seal housing 3 after going up casing 1 and casing 2 concatenation down, seal housing 3 has sealed cavity in, be equipped with the control unit in the sealed cavity and be used for the power 5 to the control unit power supply, a plurality of sensors are all in the control unit communication connection, the control unit includes wireless data transmission module, adopt screw connection between last casing 1 and the casing 2 down, seal housing 3 top is connected with last casing 1 and is adopted protruding eaves, silica gel and mechanical screw cooperation realize sealedly, wireless data transmission module, it is the modularization product of data transmission radio station, refer to the high performance professional data transmission radio station that realizes with the help of DSP technique and radio technology. The use of the data transmission radio station is developed from the earliest key code, telegraph, analog radio station and wireless MODEM to the current digital radio station, DSP and software radio; the transmission signals also can be from codes, low-speed data (300-1200 bps) to high-speed data (N64K-N E1), and services including remote control telemetry data, dynamic images and the like can be transmitted.

In further detail, the control unit includes a memory and a microcontroller, and the microcontroller is a single-chip microcomputer in which a main portion of the microcomputer is integrated on one chip. The microcontroller is born in the middle of the 70's 20 th century, and through the development of more than 20 years, the microcontroller is lower in cost and higher in performance, so that the microcontroller is applied everywhere and extends to various fields; the memory is used for storing the detected data when the network signal is not good, thereby preventing the data from losing, and the storage medium and the storage element which form the memory can store a binary code. A memory cell is composed of a plurality of memory cells, and then a memory is composed of a plurality of memory cells. A memory includes a plurality of memory cells, each of which can store one byte.

In further detail, the wireless data transmission module adopts NB-IoT, and the Narrow Band Internet of things (NB-IoT) becomes an important branch of the Internet of everything. The NB-IoT is constructed in a cellular network, only consumes about 180kHz bandwidth, and can be directly deployed in a GSM network, a UMTS network or an LTE network so as to reduce the deployment cost and realize smooth upgrading. NB-IoT is an emerging technology in the IoT domain that supports cellular data connectivity for low power devices over wide area networks, also known as Low Power Wide Area Networks (LPWANs). NB-IoT supports efficient connectivity for devices with long standby time and high requirements for network connectivity.

In further detail, the sensor comprises an integrated soil moisture and temperature sensor 6, a temperature and humidity sensor 7 and an illumination sensor 8, wherein the integrated soil moisture and temperature sensor 6 is a capacitance probe, when the soil moisture changes, the capacitance of the soil integrated soil moisture and temperature sensor changes, the change of the capacitance is converted into an oscillation signal through the capacitance resistance loop oscillation of a chip and a peripheral circuit thereof, and the oscillation signal is subjected to frequency division and is converted into a moisture value through an algorithm by the chip; the temperature and humidity sensor is one of sensors, and is used for measuring the temperature and humidity in air through a certain detection device, converting the measured temperature and humidity into an electric signal or outputting information in other required forms according to a certain rule; the illumination sensor is a sensor for detecting illumination intensity, illumination for short, and the working principle is to convert the illumination intensity into a voltage value, and is mainly used for cultivation of agricultural and forestry greenhouses and the like.

In further detail, the integrated soil moisture and temperature sensor 6 comprises a positive electrode plate 61 and a negative electrode plate 62, and an insulating layer 63 is arranged between the positive electrode plate 61 and the negative electrode plate 62, so that the positive electrode plate 61 and the negative electrode plate 62 are prevented from being in contact with each other during working to influence a measurement result, and the accuracy of the measurement result is improved.

Further saying, 4 tip of probe pipe are equipped with probe 9, and integrated soil moisture and temperature sensor 6 locate on probe 9, can realize the on-line measuring to soil moisture through inserting the probe pipe in the farmland that needs measured moisture content, and convenient to carry need not the manual work and measures, and convenient to use can realize the moisture measurement to different soil layers through inserting the different degree of depth with the probe pipe.

Further saying, insulating material is all filled to positive electrode plate 61 and the inside of negative electrode plate 62 for positive electrode plate 61 and the inside solid setting that is of negative electrode plate 62 have certain intensity, take place deformation after preventing positive electrode plate 61 and negative electrode plate 62 atress, and can connect positive electrode plate 61 and negative electrode plate 62 through once moulding plastics insulating material, help reduction in production cost.

In further detail, in order to facilitate the installation and replacement of the probe head 9, the probe head 9 is connected with the probe tube 4 through threads, and the probe tube has good sealing performance through the threads, so that a sealing element does not need to be additionally arranged, and the cost is reduced.

To be more specific, in order to prolong the service life of the probe head 9, a layer of organic high-temperature-resistant coating is attached to the surface of the probe head 9, the organic high-temperature-resistant coating is made by organic adhesion, the damage caused by collision between the probe head 9 and hard materials such as stones in soil when the probe head is inserted into the soil is prevented, and the probe head 9 can be prevented from being corroded by water.

The organic high-temperature resistant coating is prepared by organic adhesion, can be used as coating materials of ceramics, glass, metal and the like, can also be used as adhesives of ceramics, glass, metal and the like, is widely applied to the industrial fields of metallurgy, petroleum industry, natural gas exploitation, aerospace and the like, is coated on the surface of objects of metal and the like at normal temperature, is dried at low temperature or dried at normal temperature, has very good adhesion with metal, is very hard, can not be scraped off by a blade, has more remarkable strength after being calcined at high temperature, and does not crack.

Preferably, the surface treatment process of the probe head 9 is as follows: anodic hard oxidation, surface sealing/surface conductive oxidation, electrophoretic paint containing teflon by electrophoresis/micro-arc oxidation and surface sealing/electrophoretic paint containing teflon by electrophoresis.

Preferably, the organic high-temperature-resistant coating is a teflon coating.

Teflon is an organic substance. The Teflon coating has excellent heat resistance and low temperature resistance, can resist high temperature of 300 ℃ in a short time, can be continuously used at 240-260 ℃, has obvious thermal stability, can work at a freezing temperature without embrittlement and can not melt at a high temperature. In further detail, the outer circumference of the probe tube 9 is provided with scale marks along the axial direction, so that a measurer can determine the insertion depth of the probe tube 9 by observing the scale marks.

In further detail, be equipped with first PCB board 10, second PCB board 11 and third PCB board 12 in the sealed cavity, second PCB board 11 and third PCB board 12 one end all peg graft on first PCB board 10 and through spot welding connection, spot welding connection easy operation, with low costs, the reliability is high, connect through arranging the needle between second PCB board 11 and the third PCB board 12, arrange the needle and generally extensively be applied to the connection of PCB board on, have the U.S. name of universal joint ware. Generally, a connector such as a bus bar, a line terminal, etc. is used as a counterpart. Along with the competition of the pin header connector market, some manufacturers start to reduce the cost from electroplating (gold imitation) and materials (steel, alloy and the like), but also reduce the service characteristics and the service life of the product, two PCBs are connected through the pins, are generally parallel or vertical, the mass production is easy to realize, the PCBs replace leads to connect various electronic elements, the wiring among electronic parts is reduced, the manufacturing cost is reduced, the errors of wiring and assembly are reduced, and the assembly is convenient; through the inserting and fixing of the plurality of PCB boards, the fixed PCB boards are stable.

PCB boards, also known as printed circuit boards, are providers of electrical connections for electronic components. Its development has been over 100 years old; the design of the method is mainly layout design; the circuit board has the main advantages of greatly reducing errors of wiring and assembly, and improving the automation level and the production labor rate.

To elaborate, the illumination sensor 8 is mounted on the first PCB 10 in order to detect the intensity of illumination, and the illumination sensor 8 can receive illumination when the first PCB 10 is fixed in the sealed air.

In further detail, the SIM card socket 110 is disposed on the second PCB 11, and the SIM card socket 110 is in communication connection with the NB-IoT module, so that a network signal can be provided for the NB-IoT module on the second PCB 11 by inserting the SIM card into the SIM card socket 111, and the apparatus can be used alone without being limited to be used in a wireless local area network environment, thereby improving the applicability of the apparatus.

In more detail, the second PCB 11 is provided with a PCB antenna 112, which is a part of the PCB for wireless reception and transmission. The antenna is a transducer. When transmitting, it converts the high frequency current of transmitter into space electromagnetic wave; when receiving, it converts the electromagnetic wave intercepted from the space into high-frequency current and sends it to the receiver. Antenna design is an important part of the design of a low power, short-range radio transceiver device for use in radio frequency identification systems.

Further saying, be equipped with power 5 on the second PCB board 11, power 5 is located between second PCB board 11 and the third PCB board 12, power 5 overall arrangement can play certain guard action to the power in the middle of two PCB boards, the life of extension power, but the space between two PCB boards of furthest utilization, thereby reduce overall structure's volume, adopt the power overall arrangement in the middle of two PCB boards below in this circuit board, the antenna is fixed in on one of them PCB board below, the benefit of this circuit board structural arrangement is that the area of antenna is bigger as far as possible, and the transmission signal ability is strong.

To put it more precisely, in order to prevent errors in the assembly of the power supply 5, the power supply 5 is of fool-proof design.

In further detail, the method for implementing the fool-proof design of the power supply 5 in the circuit board is to design the positive and negative pole pieces of the power supply 5 into an up-and-down asymmetric structure, wherein the positive and negative pole pieces respectively pass through the corresponding through holes on the second PCB 11 and are connected with the second PCB 11 by spot welding.

To put it more concretely, in order to facilitate charging the power supply 5, the second PCB 11 is provided with a charging interface 113 electrically connected to the power supply 5.

In more detail, the second PCB 11 is provided with a power switch 114.

In further detail, at least one supporting piece 115 is further arranged between the second PCB 11 and the third PCB 12, two ends of the supporting piece 115 abut against inner walls of the second PCB 11 and the third PCB 12 respectively, two ends of the supporting piece 9 and the second PCB 2 and the third PCB 3 are fixed by screws respectively, and the supporting piece 115 is arranged at one end far away from the first PCB 10, so that the second PCB 11 and the third PCB 12 are prevented from being deformed due to extrusion.

In further detail, the third PCB 12 is welded with the fourth PCB 121, the temperature and humidity sensor 7 is mounted on the fourth PCB 121, the illumination sensor 4 and the temperature and humidity sensor 8 are hard-connected into a whole in the device, and the mounting process is clear and simple.

In more detail, the other side of the fourth PCB 121 opposite to the temperature and humidity sensor 7 is further provided with a spare temperature sensor 18.

In more detail, the sealing shell 3 is provided with a housing 13, a cavity for accommodating the temperature and humidity sensor 7 is formed in the housing 13, the housing 13 is made of a porous metal material, when the third PCB 12 is fixed in the sealing cavity, the fourth PCB 121 is embedded into the housing 13, the temperature and humidity sensor is well protected through the housing, and the service life of the temperature and humidity sensor is prolonged; the arrangement of the porous metal material is adopted, so that the air temperature and humidity sensor can be in direct contact with air, and water vapor in the air cannot reach the sealed cavity body through the air temperature and humidity sensor.

The porous metal material, i.e. metal, has a large number of directional or random holes dispersed therein, and the holes may be of foam type, lotus-shaped type, honeycomb type, etc. due to different design requirements for the holes. The porous metal material can be divided into two main types, i.e., an independent pore type and a continuous pore type, according to the shape of the pores. The independent material has the characteristics of small specific gravity, good rigidity and specific strength, good vibration absorption and sound absorption performance and the like; the continuous material has the above-mentioned characteristics, and also has the characteristics of good permeability and air permeability.

In further detail, the housing 13 includes a cover portion 131 and a connecting portion 132, the sealing housing 3 is provided with a lock portion 31 in threaded fit with the connecting portion 132, the threaded connection facilitates installation of a measurer on the housing 4, the threaded connection has good sealing performance, and rainwater is prevented from entering the housing 13 from a gap between the connecting portion 132 and the lock portion 31.

In more detail, the locking portion 31 may be a nut embedded in the sealing housing 3 or a screw hole directly opened in the sealing housing 3.

To be more specific, a plug 311 for sealing is disposed in the lock portion 31, a sealing hole 3111 through which only the fourth PCB 121 passes is formed in the plug 311, and when the fourth PCB 121 passes through the sealing hole 3111, a side wall of the fourth PCB is attached to the sealing hole 3111, so that a certain sealing effect is achieved.

Preferably, in order to further improve the sealing performance between the connecting portion 132 and the lock portion 31, a sealing gasket 1321 is fitted around the connecting portion 132, and the sealing gasket 1321 is pressed to further seal the connecting portion 132 and the lock portion 31 when they are locked.

In detail, the housing 13 adopts a copper powder sintering filter element, the copper powder sintering filter element is formed by sintering copper alloy powder at a high temperature, the filtering precision of the copper powder sintering filter element is 0.2-120 mu m, the filtering precision is high, the air permeability is good, the mechanical strength is high, the material utilization rate is high, and the copper powder sintering filter element is suitable for higher working temperature and thermal shock resistance. The method is widely applied to the fields of pneumatic elements, chemical engineering, environmental protection and the like. Porous elements of various shapes, structures, different particle sizes and porosities can be produced according to the requirements of users, such as: the filter comprises a cover, a cap, a sheet, a pipe and a rod-shaped filter element, wherein the copper powder sintered filter element has high filtering precision and stable pores, and the phenomenon that the pore diameter is changed along with the pressure change can not occur. The filter element is completely composed of spherical powder, has high porosity, uniform and smooth pore diameter, small initial resistance, easy back flushing, strong regeneration capacity, long service life, high mechanical strength, good rigidity, good plasticity, oxidation resistance, corrosion resistance, no need of additional framework support protection, simple installation and use, convenient maintenance, good assembly, welding, bonding and machining, one-step forming of copper powder sintered products, no need of cutting, high effective utilization rate of raw materials, material saving to the maximum extent, and is particularly suitable for elements with large batch and complex structure.

Further saying in detail, go up casing 1 or can dismantle on casing 2 and be equipped with at least one shutter 15, shutter 15 includes a plurality of tripes 151, through dismantling the setting of shutter for the shutter that pulls down when needing to change the SIM card or reset or charge can operate, very big improvement work efficiency. Due to the arrangement of the louver, a measurer can conveniently and directly observe the internal condition of the shell through naked eyes, the measurer can find problems in the shell in time, the good air permeability can reduce the temperature in the shell, and the electronic element can be prevented from being damaged due to overhigh temperature in the shell; and good air permeability facilitates the temperature and humidity sensor 7 in the housing 13 to measure the temperature and humidity in the air.

Further saying in detail, tripe 151 adopts streamline S type structure, and the S type structure can prevent effectively that 0 ~ 90 degrees rainwater from spraying to effectually prevent that the rainwater from falling to influence its gas permeability on housing 34, help improving temperature and humidity sensor 7' S measurement accuracy.

In more detail, at least one drainage hole is formed at the bottom of the lower shell 2 for draining accumulated water in the device in time.

In further detail, the top of the upper shell 1 is provided with the light transmitting sheet 16, the light transmitting sheet 16 covers the illumination sensor 8, and the influence of ultraviolet radiation, acid rain, high temperature, low temperature and the like on the illumination sensor can be reduced through the arrangement of the light transmitting sheet, so that the service life of the illumination sensor can be prolonged.

To be more specific, in order to ensure that the light-transmitting sheet 16 has good light-transmitting property, the material of the light-transmitting sheet 16 is one of PFA polytetrafluoroethylene, polycarbonate and acrylic.

In more detail, the light-transmitting sheet 16 is made of PFA polytetrafluoroethylene, and compared with polycarbonate and acrylic materials, PFA polytetrafluoroethylene has less influence on the environment such as ultraviolet radiation resistance, acid rain resistance, high temperature and low temperature resistance, and the like, and has a longer service life.

Further saying, go up casing 1 and adopt secondary injection moulding for go up casing 1 and can be waterproof, guarantee again that assembly process is succinct, secondary injection moulding: is a special plastic molding process, also called as beer covering or rubber coating. It is similar to the double-color forming process, but has a larger difference with the double-color forming process. The method is a process for molding a certain plastic raw material in a primary plastic mold, taking out the molded part, and injecting the same or another plastic material into a secondary molding mold again.

In further detail, the top of the upper shell 1 is provided with a plurality of inclined planes 111 which are inclined along the circumferential direction, the inclined planes 111 are embedded with a solar cell panel 17, the solar cell panel 17 is electrically connected with the power supply 5, so that the solar cell panel can convert light energy into electric energy to charge the power supply when being illuminated, the device can be conveniently used in the field for a long time without being connected with wires, the safety is higher, the inclined planes 111 are arranged, so that the solar cell panel 17 can receive sunlight from all angles, the utilization of the light energy is realized, when the sunlight is vertical to the panel, the solar cell panel can more effectively collect solar radiation, the purpose can be realized by the inclined arrangement of the solar cell panel 17, the solar cell panel Solarpanel directly or indirectly converts the solar radiation energy into the electric energy through the photoelectric effect or the photochemical effect by absorbing the sunlight, the further detail is described, the main material of most solar panels is "silicon".

In further detail, in order to facilitate the use of measuring staff, the sealing shell 3 is provided with a connector 14 for replacing a SIM card or resetting or charging, the connector 14 is provided with a sealing plug 141 in sealing fit with the connector 14, the sealing plug 141 is used for ensuring the sealing performance of the connector 14 when not in use, rainwater is prevented from entering the sealing cavity through the connector 14, the electronic element in the sealing cavity is effectively protected, and the sealing plug and the cavity are extruded in a silica gel and mechanical screw manner to realize sealing.

In more detail, in order to prevent the sealing plug 141 from being lost after being removed, the sealing plug 141 is provided with a silicone plug 1411, and the silicone plug 1411 is in interference flexible connection with the sealing housing 3, so that the silicone plug 141 can be hung on the sealing housing 3 through the silicone plug 1411 after being removed.

Further saying in detail, probe tube 4 top is connected in sealed housing 3 bottom, offers the trompil that supplies probe tube 4 to pass on lower casing 2, and at least twice slot 41 has been seted up on probe tube 4 top, and slot 41 is used for realizing the sealed waterproof between probe tube 4 and the sealed housing 3, and long-time outdoor high low temperature difference makes the casing expend with heat and contract with cold, and slot 41 still can realize good leakproofness when the casing expend with heat and contract with cold.

In more detail, in order to prevent the probe tube 4 and the sealing housing 3 from rotating mutually, a special-shaped flat wire 42 is further disposed at the end of the probe tube 4 connected to the sealing housing 3.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although terms are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. The utility model provides a farmland information monitoring devices which characterized in that: including last casing (1), casing (2), seal housing (3), probe tube (4) and a plurality of sensor that are used for farmland information monitoring, go up casing (1) and form the cavity that is used for holding seal housing (3) down behind casing (2) the concatenation, seal housing (3) have sealed cavity in, be equipped with the control unit in the sealed cavity and be used for power (5) to the control unit power supply, a plurality of sensors all are in the control unit communication connection, the control unit includes wireless data transmission module.

2. The farmland information monitoring device according to claim 1, wherein: the sensor comprises an integrated soil moisture and temperature sensor (6), a temperature and humidity sensor (7) and an illumination sensor (8).

3. The farmland information monitoring device according to claim 2, wherein: the probe is characterized in that a probe head (9) is arranged at the end part of the probe tube (4), and the integrated soil moisture and temperature sensor (6) is arranged on the probe head (9).

4. The farmland information monitoring device according to claim 1, wherein: the PCB structure is characterized in that a first PCB (10), a second PCB (11) and a third PCB (12) are arranged in the sealed cavity, one ends of the second PCB (11) and the third PCB (12) are all inserted into the first PCB (10), and the second PCB (11) and the third PCB (12) are connected through pin headers.

5. The farmland information monitoring device according to claim 1, wherein: be equipped with housing (13) on sealed casing (3), have the cavity that is used for holding temperature and humidity sensor (7) in housing (13), housing (13) adopt porous metal material.

6. The farmland information monitoring device according to claim 1, wherein: an interface (14) for replacing the SIM card or resetting or charging is arranged on the sealing shell (3), and a sealing plug (141) in sealing fit with the interface (14) is arranged on the interface.

7. The farmland information monitoring device according to claim 6, wherein: at least one shutter (15) is detachably arranged on the upper shell (1) or the lower shell (2), and the shutter (15) comprises a plurality of shutters (151).

8. The farmland information monitoring device according to claim 7, wherein: the louver (151) adopts a streamline S-shaped structure.

9. The farmland information monitoring device according to claim 2, wherein: go up and be equipped with printing opacity piece (16) on casing (1) top, printing opacity piece (16) cover is located light sensor (8) top.

10. The farmland information monitoring device according to claim 2, wherein: go up casing (1) top and be equipped with along its circumference direction slope and be equipped with a plurality of inclined planes (111), inlay on inclined plane (111) and be equipped with solar cell panel (17), solar cell panel (17) and power (5) electric connection.

Images