CN111721920A - Hydro-fluctuation belt soil moisture monitoring system and monitoring method thereof - Google Patents

Hydro-fluctuation belt soil moisture monitoring system and monitoring method thereof Download PDF

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CN111721920A
CN111721920A CN202010673270.4A CN202010673270A CN111721920A CN 111721920 A CN111721920 A CN 111721920A CN 202010673270 A CN202010673270 A CN 202010673270A CN 111721920 A CN111721920 A CN 111721920A
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electric push
push rod
rod
hydro
humidity
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CN111721920B (en
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李海英
孙志禹
卢佳
王鲁海
刘晓志
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China Three Gorges Corp
China Institute of Water Resources and Hydropower Research
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China Three Gorges Corp
China Institute of Water Resources and Hydropower Research
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24Earth materials
    • G01N33/246Earth materials for water content
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives for drilling, used in the borehole
    • E21B4/006Mechanical motion converting means, e.g. reduction gearings
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives for drilling, used in the borehole
    • E21B4/04Electric drives
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/02Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting

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Abstract

The invention discloses a hydro-fluctuation belt soil moisture monitoring system and a monitoring method thereof, wherein the hydro-fluctuation belt soil moisture monitoring system comprises a supporting platform, and a drilling mechanism and a moisture collecting device for collecting soil moisture are arranged on the supporting platform; the supporting legs of the supporting platform are provided with walking wheels driven by a hub motor; the hub motor, the drilling mechanism and the moisture acquisition device are electrically connected with the controller and the power module, all the humidity sensors of the moisture acquisition device are electrically connected with the controller, and the controller is connected with the management center through the wireless communication module. The monitoring system of the scheme can automatically acquire humidity information of different positions of the efficiency according to the walking path without manual cooperation after the hydro-fluctuation belt is placed.

Description

Hydro-fluctuation belt soil moisture monitoring system and monitoring method thereof
Technical Field
The invention relates to soil monitoring equipment, in particular to a system and a method for monitoring soil moisture in a hydro-fluctuation belt.
Background
The hydro-fluctuation area is also called a water level fluctuation zone, a hydro-fluctuation zone and the like, refers to a special area of land where soil submerged by water periodically exposes out of the water surface due to seasonal water level fluctuation in rivers, lakes and reservoirs, and belongs to the field of wetlands. From an ecological perspective, the hydro-fluctuation area is the natural 'kidney', and the purification function of the hydro-fluctuation area on pollutants is very obvious. The hydro-fluctuation belt plays a vital role in maintaining the balance of a bank ecosystem, protecting water bodies of reservoirs, lakes and rivers and the like.
In order to maintain the ecological balance of rivers and lakes in urban areas, the falling zones are generally repaired, and flooding-resistant and ornamental plants are planted on the falling zones, so that the urban environment is beautified while the ecological environment is adjusted, and a leisure wetland park is provided for urban residents. When the rainy day is fine, because wetland park environment is graceful, the air is good, and a lot of resident can choose here to play, nevertheless because humidity park is close to the waters, and has certain inclination, if humidity is great after the rain, easy landing to the aquatic when the falling zone walking in the neighbouring waters under this condition causes the potential safety hazard.
The devices for monitoring the soil humidity in the prior art generally have two types, one is to manually carry an instrument for monitoring, and the instrument for monitoring the soil humidity also has potential safety hazards for monitoring personnel; the other type is that the equipment is buried in advance for monitoring, cables need to be buried, the cost is high, the falling belts are periodically presented and can be submerged by water in many times, and the monitoring is not needed at the moment, so that the device is idle for most of time, and the resource waste is caused.
Disclosure of Invention
Aiming at the defects in the prior art, the system and the method for monitoring the soil moisture in the hydro-fluctuation belt can be used for fully automatically acquiring the humidity information according to the walking path.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that:
in a first aspect, a system for monitoring soil moisture in a hydro-fluctuation belt is provided, which comprises a supporting platform, wherein a drilling mechanism and a moisture collecting device for collecting soil moisture are arranged on the supporting platform; the supporting legs of the supporting platform are provided with walking wheels driven by a hub motor;
the upper surface of the supporting platform is fixedly provided with a supporting plate through a supporting rod, the opposite positions of the supporting plate and the supporting platform are both provided with a circular through hole and two mutually vertical sliding grooves, and the two sliding grooves on the supporting plate and the supporting platform are both intersected at the circular through hole;
the drilling mechanism comprises a drill rod and a rotating motor arranged on the supporting platform; a first electric push rod is fixedly connected to the supporting plate, a connecting block is fixed to the other end of the first electric push rod, a bearing with the inner diameter larger than the maximum diameter of the drill rod is installed in the connecting block, and a driven gear is fixedly installed on the bearing;
the driven gear is provided with a threaded hole, and the drill rod is a threaded rod and penetrates through the bearing and the two opposite sliding grooves to be in threaded connection with the driven gear; a driving gear meshed with the driven gear is fixedly arranged on an output shaft of the rotating motor penetrating through the supporting plate;
the moisture collecting device comprises a second electric push rod and a third electric push rod which are perpendicular to each other and fixed on the supporting plate, and the second electric push rod penetrates through the other two opposite sliding grooves when extending and is fixedly connected with the third electric push rod which drives the second electric push rod to move along the sliding grooves; a plurality of humidity sensors are arranged on the expansion joint with the minimum diameter of the second electric push rod at equal intervals;
the hub motor, the rotating motor and all the electric push rods are electrically connected with the controller and the power supply module, all the humidity sensors are electrically connected with the controller, and the controller is connected with the management center through the wireless communication module.
In a second aspect, a monitoring method of a hydro-fluctuation belt soil moisture monitoring system is provided, which comprises the following steps:
s1, placing the soil moisture monitoring system in a falling zone, and inputting the walking path of the soil moisture monitoring system and the interval distance of soil moisture collected each time to the controller;
s2, starting the hub motor, driving the soil moisture monitoring system to walk along the walking path, and when the walking distance is equal to the spacing distance, turning off the hub motor;
s3, starting the first electric push rod to drive the drill rod to move along the sliding groove until the drill rod enters the circular through hole, and at the moment, the driven gear is meshed with the driving gear; then, a rotating motor is started to rotate positively to drive a driving gear to rotate so as to drive a drill rod to drill a hole in the hydro-fluctuation belt;
s4, when the drilling depth is equal to the preset depth, the rotating motor rotates reversely to drive the drill rod to exit from the drill hole, and then the first electric push rod is started to drive the drill rod to exit from the circular through hole;
s5, starting a third electric push rod to drive a second electric push rod to move to the circular through hole along the sliding groove until the push rod of the second electric push rod enters the circular through hole, and then starting the second electric push rod to extend and extend into the drill hole;
s6, acquiring humidity at different positions in the drill hole by a humidity sensor of the second electric push rod, feeding back information to the controller, and sending all humidity at the current position to the data center by the controller;
s7, when the controller receives the humidity information, the second electric push rod is started to withdraw from the drilled hole, and then the third electric push rod is started to drive the second electric push rod to withdraw from the circular through hole;
s8, judging whether the soil moisture monitoring system finishes walking the walking path, if so, entering the step S9, otherwise, returning to the step S2;
s9, the data center averages all the received humidity information of the same depth to obtain average humidity of multiple depths in the soil of the hydro-fluctuation belt, and then gives suggestions on whether the current time period is suitable for entering the hydro-fluctuation belt and the cautions of entering the hydro-fluctuation belt according to all the average humidity information.
The invention has the beneficial effects that: when the soil moisture monitoring system is adopted for acquiring the humidity information, a walking path and the interval distance for acquiring the humidity information at each time need to be preset, and then the soil moisture monitoring system can be placed on a hydro-fluctuation belt, so that the soil moisture monitoring system can automatically acquire data while walking.
This scheme is carrying out humidity monitoring time measuring, and drilling rod mechanism and moisture collection system can automatic switch-over, and drilling rod mechanism accomplishes the drilling back promptly, does not need artificial operation, through the combination of first electric putter and controller, and it can give the water branch collection system automatically and step down, guarantees that moisture collection system can accurately get into the drilling and carry out the collection of humidity information, has realized the normal collection of the humidity information of the certain degree of depth of falling zone soil.
When carrying out data acquisition, this scheme realizes the natural switching of noiseless between drilling rod mechanism and the moisture collection system through the cooperation of first electric putter, second electric putter and third electric putter and two pairs of perpendicular spouts and controller, has guaranteed the smooth collection of the humidity information of the certain degree of depth of falling zone soil.
This scheme can take soil moisture monitoring system to walk according to the walking route through in-wheel motor driven walking wheel, and in whole falling zone soil moisture collection process, monitoring personnel only need with monitoring system place on the falling zone can, it need not get into the falling zone, has guaranteed that monitoring personnel carries out the security of humidity monitoring on the falling zone of slope.
Drawings
Fig. 1 is a schematic structural diagram of a system for monitoring soil moisture in a hydro-fluctuation belt.
Fig. 2 is a top view of a corresponding structure of the hydro-fluctuation belt soil moisture monitoring system at the supporting plate.
Fig. 3 is a sectional view taken along line a in fig. 2.
Fig. 4 is a schematic structural view of the second electric putter.
Fig. 5 is a flow chart of a monitoring method of the hydro-fluctuation belt soil moisture monitoring system.
Wherein, 1, supporting the platform; 11. supporting legs; 12. a traveling wheel; 13. a fourth electric push rod; 14. a support bar; 15. a fifth electric push rod; 151. a sleeve; 16. an electrical box; 2. a drilling mechanism; 21. a drill stem; 211. a limiting plate; 22. a rotating electric machine; 23. a first electric push rod; 24. connecting blocks; 241. a bearing; 25. a driven gear; 26. a driving gear; 27. a housing; 3. a moisture collection device; 31. a second electric push rod; 311. a third expansion joint; 312. a second expansion joint; 313. a first expansion joint; 314. a pressure lever; 32. a third electric push rod; 4. a support plate; 41. a circular through hole; 42. a chute.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
As shown in fig. 1 to 3, the system for monitoring soil moisture in the hydro-fluctuation belt comprises a supporting platform 1, wherein a drilling mechanism 2 and a moisture collecting device 3 for collecting soil moisture are arranged on the supporting platform 1; and walking wheels 12 driven by wheel hub motors are mounted on supporting legs 11 of the supporting platform 1.
The in-wheel motor can drive the walking wheel 12 to move, and the walking wheel 12 does not need to be driven by a connecting shaft to rotate, so that the structure of a corresponding part when the walking wheel 12 walks is simplified, the phenomenon that the walking wheel 12 is wound by external weeds can be reduced, and the normal realization of the soil moisture monitoring system capable of walking and automatically monitoring is influenced.
When the scheme is implemented, at least two fourth electric push rods 13 electrically connected with the controller and the power module are installed on the lower surface of the optimal supporting platform 1, the rod tops of the fourth electric push rods 13 are in a needle-shaped structure, and the minimum length of the fourth electric push rods 13 is less than the height of the supporting legs 11 and the walking wheels 12 and less than the maximum length of the fourth electric push rods 13; and a pressure sensor and a humidity sensor which are electrically connected with the controller are arranged at the top of each fourth electric push rod 13.
The introduction of fourth electric putter 13 can be when carrying out humidity and gathering, guarantees that soil moisture monitoring system is fixed steadily on the area that falls, even if the area that falls exists certain inclination also can guarantee soil moisture monitoring system's stability.
When the pressure information/humidity information is outside the set pressure/humidity range and the continuous times are more than the set times, the controller transmits the information to the data center, the data center gives corresponding suggestions according to the pressure information and the humidity information, specifically, when the pressure information is more than the upper limit of the set pressure range or the humidity information is less than the lower limit of the set humidity range, the soil in the hydro-fluctuation belt is dry, and residents can enter the hydro-fluctuation belt for playing at the current time; when the pressure information is smaller than the lower limit of the set pressure range or the humidity information is larger than the upper limit of the set humidity range, the soil humidity of the falling zone is high, the soil stability of the falling zone is poor, and residents are prohibited from entering the falling zone at the current time.
Supporting platform 1 upper surface has backup pad 4 through bracing piece 14 fixed mounting, and circular through-hole 41 and two mutually perpendicular's spout 42 have all been seted up to relative position on backup pad 4 and supporting platform 1, and two spouts 42 on backup pad 4 and the supporting platform 1 all intersect circular through-hole 41 department above that.
The supporting plate 4 and the sliding grooves 42 on the same vertical plane on the supporting platform 1 form a pair, wherein the pair is used for the drill rod 21 to slide and avoid the moisture collecting device 3, and the pair is used for accommodating the second electric push rod 31 for the second electric push rod to slide and avoid the drill rod 21. The arrangement of the two pairs of sliding grooves 42 can ensure that the drilling mechanism 2 and the moisture collecting device 3 do not interfere with each other during working, and can ensure that the second electric push rod 31 accurately enters a drilled hole formed by the drill rod 21, thereby ensuring the normal collection of the soil humidity at a certain depth of the soil.
As shown in fig. 1 and 3, the drilling mechanism 2 comprises a drill rod 21 and a rotating motor 22 mounted on the support platform 1, preferably, the rotating motor 22 is mounted on the support platform 1 through a spacer; the supporting plate 4 is fixedly connected with a first electric push rod 23, the other end of the first electric push rod 23 is fixedly provided with a connecting block 24, a bearing 241 with the inner diameter larger than the maximum diameter of the drill rod 21 is installed in the connecting block 24, and a driven gear 25 is fixedly installed on the bearing 241.
The driven gear 25 is provided with a threaded hole, the drill rod 21 is a threaded rod, and the threaded rod penetrates through the bearing 241 and the two opposite sliding grooves 42 to be in threaded connection with the driven gear 25; the rotary motor 22 is fixedly mounted with a drive gear 26 engaged with the driven gear 25 through an output shaft of the support plate 4.
When the drilling mechanism 2 drills, the first electric push rod 23 is started to extend to drive the connecting block 24 to move, the connecting block 24 drives the drill rod 21 to slide along the pair of sliding grooves 42 until the drill rod 21 accurately enters the two circular through holes 41, and meanwhile, the driven gear 25 is meshed with the driving gear 26; then the rotating motor 22 is started, the driving gear 26 on the rotating motor 22 is driven to rotate by the rotating motor 22 in a forward rotation mode, and then the driven gear 25 is driven to rotate, and due to the fact that the drill rod 21 is connected with the driven gear 25 through threads, the drill rod 21 can be driven to rotate and descend by the rotation of the driven gear 25, and drilling is achieved; after the drilling is finished, the rotating motor 22 rotates reversely to drive the drill rod 21 to reset, and then the drill rod 21 can be driven to exit from the circular through hole 41 and enter the corresponding pair of sliding grooves 42 through shortening of the first electric push rod 23, so that the water separation collecting device 3 gives way.
Because the driven gear 25 of the scheme is fixed on the bearing 241 of the connecting block 24, the driven gear can not drive the connecting block 24 to move when rotating, and the limit of the connecting block 24 on the upper end of the drill rod 21 can not be influenced when the drill rod 21 normally rotates.
As shown in fig. 2, the moisture collecting device 3 includes two second electric push rods 31 and a third electric push rod 32 which are perpendicular to each other and fixed on the supporting plate 4, and the second electric push rods 31 penetrate through the other two opposite sliding chutes 42 when extending, and are fixedly connected with the third electric push rods 32 which drive the second electric push rods to move along the sliding chutes 42; a plurality of humidity sensors are mounted on the minimum diameter telescopic joint of the second electric push rod 31 at equal intervals.
The hub motor, the rotating motor 22 and all the electric push rods are electrically connected with the controller and the power supply module, all the humidity sensors are electrically connected with the controller, and the controller is connected with the management center through the wireless communication module.
When the soil moisture monitoring system of this scheme place on falling the area and start the back, it can go forward according to the walking route in falling the area and realize the automated acquisition of data, does not need monitoring personnel's participation, has avoided falling the area and has appeared the potential safety hazard and bring the threat for monitoring personnel's safety.
As shown in fig. 4, in an embodiment of the present invention, the drill rod 21 is a three-stage stepped shaft, and the lengths of the two stepped shafts at the top end thereof are respectively equal to the lengths of the two telescopic joints at the topmost end of the second electric push rod 31; a plurality of pressure rods 314 are hinged on the circumference of the joint of the third telescopic joint 311 and the second telescopic joint 312 at the top end of the second electric push rod 31 and the second telescopic joint 312 and the first telescopic joint 313 at the top end of the second electric push rod 31, and the outer diameter of the circle where all the pressure rods 314 are located at the same position is equal to the inner diameter of the telescopic joint on the same position; the top end of each pressure lever 314 is in a needle-shaped structure, and a humidity sensor electrically connected with the controller is fixed at the top end of each pressure lever 314.
When the drill rod 21 is used, the length sum of the two sections of step shafts close to the top end of the drill rod is between 10cm and 20cm, and is far smaller than the length of the step shaft in contact with the driven gear 25, and the step shaft close to the top end of the drill rod 21 cannot be in contact with the driven gear 25 when the drill rod is drilled and withdrawn.
This scheme drilling rod 21 and the setting of second electric putter 31 structure, the drilling that can make the formation is three-section shoulder hole, like this when second electric putter 31 gets into drilling, the shoulder hole can hinder to articulate depression bar 314 on second electric putter 31 and continue vertical downstream, but under the effect of second electric putter 31 continuation downstream's power, it can be along the step downward entering soil aslope, in order to realize the collection of the soil moisture of broad scope, the humidity data that can make the collection like this are more accurate.
As shown in fig. 1, the supporting rod 14 is an electric push rod, the supporting platform 1 is provided with a fifth electric push rod 15, the rod top of the fifth electric push rod 15 is fixedly connected with a sleeve 151 with a diameter larger than the maximum diameter of the drill rod 21, and the drill rod 21 passes through the sleeve 151 during assembly; the electric push rod and the fifth electric push rod 15 are both electrically connected with the power module and the controller.
After the supporting rod 14 adopts the electric push rod, when soil humidity is collected, the drilling mechanism 2 and the moisture collecting device 3 can be driven to be closer to the ground, so that the depth of drilling is larger, and soil humidity with larger depth is collected.
The sleeve 151 and the fifth electric push rod 15 are arranged, so that the middle and lower ends of the drill rod 21 can be supported, a plurality of supporting points are ensured to exist when the drill rod 21 works, and the stability of the drill rod 21 in working is further improved; in addition, the mutual matching of the fifth electric push rod 15 and the first electric push rod 23 can ensure the stability of the drill rod 21 exiting from the circular through hole 41, so as to avoid the situation that the drill rod 21 is bent due to the fact that only one supporting point exists.
As shown in fig. 1, the system for monitoring soil moisture in a hydro-fluctuation belt further comprises an electrical box 16 installed on the supporting platform 1, the rotating motor 22 and the power module are placed in the electrical box 16, the meshing part of the driving gear 26 and the driven gear 25 penetrates through a strip-shaped groove formed in the electrical box 16, and the height of the strip-shaped groove is larger than the width of the driving gear 26.
The introduction of the electric appliance box 16 can protect the rotating motor 22 and the driving gear 26, and prevent the rotating motor 22 and the driving gear 26 rotating at high speed from colliding with plants in a hydro-fluctuation belt and influencing the normal operation of the driving gear 26 and the driven gear 25.
The connecting block 24 is further provided with a shell 27 for protecting the driven gear 25, the top of the shell 27 is provided with a circular hole for the drill rod 21 to extend out, no side wall is arranged towards the driving gear 26 side, and when the driving gear 26 is matched with the driven gear 25, the shell 27 is contacted with the side wall of the electrical box 16. Shell 27 and the mutually supporting in electrical apparatus chamber can protect driving gear 26 and driven gear 25, avoids high-speed rotatory gear structure to collide the hydro-fluctuation belt plant, blocks gear structure, arouses soil moisture monitoring system to break down.
When the method is implemented, the top end of the optimized drill rod 21 is provided with an extension section without threads, and a limiting plate 211 is fixed at the intersection of the extension section and the lower end thread section; limiting plate 211 can avoid when boring deep drilling, appears drilling rod 21 top and breaks away from driven gear 25, causes soil moisture monitoring system trouble, influences the normal collection of humidity.
The system for monitoring the soil moisture in the hydro-fluctuation belt further comprises a display which is arranged on the hydro-fluctuation belt through a mounting rod and is electrically connected with the management center. The display can be used for displaying whether the current time period given by the management center can enter the falling zone or not and the cautions, so that residents can accurately know the specific situation of the falling zone.
So far, the description of the monitoring system for the water content of the water-logging zone soil has been completed, and the following description is made on the monitoring method of the monitoring system for the water content of the water-logging zone soil.
Referring to fig. 5, fig. 5 shows a flow chart of a monitoring method of the hydro-fluctuation belt soil moisture monitoring system; as shown in fig. 5, the method includes steps S1 through S9.
In step S1, the soil moisture monitoring system is placed in the falling zone, and the walking path of the soil moisture monitoring system and the interval distance of soil moisture collected each time are input to the controller;
in step S2, the in-wheel motor is started to travel along the travel path with the soil moisture monitoring system, and when the travel distance is equal to the separation distance, the in-wheel motor is turned off;
in step S3, the first electric push rod 23 is actuated to bring the drill rod 21 along the slide slot 42 until the drill rod enters the circular through hole 41, and the driven gear 25 is engaged with the driving gear 26; then the rotating motor 22 is started to rotate positively to drive the driving gear 26 to rotate so as to drive the drill rod 21 to drill a hole in the hydro-fluctuation belt;
in step S4, when the drilling depth is equal to the preset depth, the rotating motor 22 rotates reversely to drive the drill rod 21 to exit from the drill hole, and then the first electric push rod 23 is started to drive the drill rod 21 to exit from the circular through hole 41;
in step S5, the third electric push rod 32 is started to carry the second electric push rod 31 to move along the sliding chute 42 to the circular through hole 41 until the push rod of the second electric push rod 31 enters the circular through hole 41, and then the second electric push rod 31 is started to extend and extend into the drill hole;
in step S6, the humidity sensor of the second electric putter 31 collects the humidity at different positions in the borehole and feeds back the information to the controller, and the controller sends all the humidity at the current position to the data center;
in step S7, when the controller receives the humidity information, the controller starts the second electric push rod 31 to exit from the drill hole, and then starts the third electric push rod 32 to take the second electric push rod 31 to exit from the circular through hole 41;
in step S8, it is determined whether the soil moisture monitoring system has finished walking through the walking path, if yes, the process proceeds to step S9, otherwise, the process returns to step S2;
in step S9, the data center averages all the received humidity information of the same depth to obtain average humidity of multiple depths in the soil in the hydro-fluctuation belt, and then gives a suggestion whether the current time period is suitable for entering the hydro-fluctuation belt and the attention points of entering the hydro-fluctuation belt according to all the average humidity information.
When the humidity information is within the set range, the cautions may be: at present, the moisture is high, and the shoes which are antiskid and moisture-proof are recommended to be worn to enter the hydro-fluctuation belt; or the current humidity is lower, the anti-slip shoes are recommended to be worn to enter the falling belt.
In an embodiment of the present invention, between the step S2 and the step S3, further comprising:
a1, starting the fourth electric push rod 13, and then judging whether pressure information/humidity information is out of a set pressure/humidity range according to data acquired by a pressure sensor and a humidity sensor on the fourth electric push rod 13;
a2, if the pressure/humidity information is out of the set pressure/humidity range, judging whether the frequency that the pressure/humidity information is continuously out of the set pressure/humidity range is greater than the set frequency, if so, entering the step A3, otherwise, returning to the step S2;
a3, the controller transmits information that the continuous times are larger than the set times to the data center, the data center gives out whether the current time interval is suitable for entering the hydro-fluctuation belt and the attention points of entering the hydro-fluctuation belt according to the pressure information and the humidity information, and the monitoring is stopped;
in step a3, the notes may specifically be: when the pressure information is larger than the upper limit of the set pressure range or the humidity information is smaller than the lower limit of the set humidity range, the display displays that the soil in the hydro-fluctuation belt is dry, and the residents are recommended to enter the hydro-fluctuation belt for playing in the current time; when the pressure information is smaller than the lower limit of the set pressure range or the humidity information is larger than the upper limit of the set humidity range, the display displays that the soil humidity of the falling area is very high and the soil stability of the falling area is poor, and the situation that residents are prohibited from entering the falling area at the current time is suggested.
A4, if the pressure information is less than or equal to the set pressure and the humidity information is less than or equal to the set humidity, the flow proceeds to step S3.
When the drill rod 21 is a three-section stepped shaft, after the push rod of the second electric push rod 31 enters a drill hole, the rod tops of the plurality of compression rods 314 contact with steps in the drill hole along with the extension of the second electric push rod 31, and under the blocking of the steps and the pressure action of the extension of the second electric push rod 31, the compression rods 314 are obliquely pressed into the soil of the section where the second telescopic joint 312 and the first telescopic joint 313 are located to collect humidity information.
When the second electric push rod 31 enters the drill hole, the stepped hole can block the pressure rod 314 hinged on the second electric push rod 31 from continuing to move vertically downwards, but under the action of the force of the second electric push rod 31 continuing to move downwards, the second electric push rod 31 can obliquely downwards enter the soil along the step to realize the collection of the soil humidity within a wide range, so that the collected humidity data are more accurate.
In conclusion, the monitoring system provided by the scheme can realize automatic collection of humidity information of different positions in the efficiency area of the installation walking path without manual cooperation after the hydro-fluctuation belt is started and put in.

Claims (10)

1. Hydro-fluctuation belt soil moisture monitoring system, its characterized in that: the device comprises a supporting platform, wherein a drilling mechanism and a moisture collecting device for collecting soil moisture are arranged on the supporting platform; the supporting legs of the supporting platform are provided with walking wheels driven by a hub motor;
the upper surface of the supporting platform is fixedly provided with a supporting plate through a supporting rod, the opposite positions of the supporting plate and the supporting platform are provided with a circular through hole and two mutually vertical sliding grooves, and the two sliding grooves on the supporting plate and the supporting platform are intersected at the circular through hole;
the drilling mechanism comprises a drill rod and a rotating motor arranged on the supporting platform; a first electric push rod is fixedly connected to the supporting plate, a connecting block is fixed to the other end of the first electric push rod, a bearing with the inner diameter larger than the maximum diameter of the drill rod is installed in the connecting block, and a driven gear is fixedly installed on the bearing;
the drill rod is a threaded rod, penetrates through the bearing and the two opposite sliding grooves and is in threaded connection with the driven gear; the rotating motor penetrates through an output shaft of the supporting plate and is fixedly provided with a driving gear meshed with the driven gear;
the moisture collecting device comprises a second electric push rod and a third electric push rod which are perpendicular to each other and fixed on the supporting plate, and the second electric push rod penetrates through the other two opposite sliding grooves when extending and is fixedly connected with the third electric push rod which drives the second electric push rod to move along the sliding grooves; a plurality of humidity sensors are arranged on the expansion joint with the smallest diameter of the second electric push rod at equal intervals;
the hub motor, the rotating motor and all the electric push rods are electrically connected with the controller and the power supply module, all the humidity sensors are electrically connected with the controller, and the controller is connected with the management center through the wireless communication module.
2. The hydro-fluctuation belt soil moisture monitoring system of claim 1, wherein: the lower surface of the supporting platform is provided with at least two fourth electric push rods which are electrically connected with the controller and the power supply module, the rod tops of the fourth electric push rods are of needle-shaped structures, and the minimum length of the fourth electric push rods is less than the height of the supporting legs plus the travelling wheels and less than the maximum length of the fourth electric push rods; and the rod top of each fourth electric push rod is provided with a pressure sensor and a humidity sensor which are electrically connected with the controller.
3. The hydro-fluctuation belt soil moisture monitoring system of claim 1, wherein: the drill rod is provided with three sections of stepped shafts, and the lengths of the two sections of stepped shafts at the top end of the drill rod are respectively equal to the lengths of the two telescopic joints at the topmost end of the second electric push rod; a plurality of pressure rods are hinged on the circumferences of the joints of the third telescopic joint and the second telescopic joint at the top end of the second electric push rod and the second telescopic joint and the first telescopic joint at the top end of the second electric push rod, and the outer diameter of the circle where the pressure rods are located at the same position is equal to the inner diameter of the telescopic joint on the same position; the top end of each pressure lever is of a needle-shaped structure, and a humidity sensor electrically connected with the controller is fixed at the top end of each pressure lever.
4. The hydro-fluctuation belt soil moisture monitoring system of claim 1, wherein: the support rod is an electric push rod, a fifth electric push rod is installed on the support platform, a sleeve with the diameter larger than the maximum diameter of the drill rod is fixedly connected to the rod top of the fifth electric push rod, and the drill rod penetrates through the sleeve during assembly; and the electric push rod and the fifth electric push rod are electrically connected with the power module and the controller.
5. The hydro-fluctuation belt soil moisture monitoring system of claim 1, wherein: the electric appliance box is characterized by further comprising an electric appliance box installed on the supporting platform, the rotating motor and the power supply module are placed in the electric appliance box, the meshing part of the driving gear and the driven gear penetrates through a strip-shaped groove formed in the electric appliance box, and the height of the strip-shaped groove is larger than the width of the driving gear.
6. The hydro-fluctuation belt soil moisture monitoring system according to any one of claims 1 to 5, wherein: the top end of the drill rod is provided with an extension section which is not provided with threads, and a limiting plate is fixed at the intersection of the extension section and the lower end thread section.
7. The hydro-fluctuation belt soil moisture monitoring system according to any one of claims 1 to 5, wherein: the device further comprises a display which is arranged on the falling belt through a mounting rod and is electrically connected with the management center.
8. A method of monitoring a hydro-fluctuation belt soil moisture monitoring system as claimed in any one of claims 1 to 7, comprising:
s1, placing the soil moisture monitoring system in a falling zone, and inputting the walking path of the soil moisture monitoring system and the interval distance of soil moisture collected each time to the controller;
s2, starting the hub motor, driving the soil moisture monitoring system to walk along the walking path, and when the walking distance is equal to the spacing distance, turning off the hub motor;
s3, starting the first electric push rod to drive the drill rod to move along the sliding groove until the drill rod enters the circular through hole, and at the moment, the driven gear is meshed with the driving gear; then, a rotating motor is started to rotate positively to drive a driving gear to rotate so as to drive a drill rod to drill a hole in the hydro-fluctuation belt;
s4, when the drilling depth is equal to the preset depth, the rotating motor rotates reversely to drive the drill rod to exit from the drill hole, and then the first electric push rod is started to drive the drill rod to exit from the circular through hole;
s5, starting a third electric push rod to drive a second electric push rod to move to the circular through hole along the sliding groove until the push rod of the second electric push rod enters the circular through hole, and then starting the second electric push rod to extend and extend into the drill hole;
s6, acquiring humidity at different positions in the drill hole by a humidity sensor of the second electric push rod, feeding back information to the controller, and sending all humidity at the current position to the data center by the controller;
s7, when the controller receives the humidity information, the second electric push rod is started to withdraw from the drilled hole, and then the third electric push rod is started to drive the second electric push rod to withdraw from the circular through hole;
s8, judging whether the soil moisture monitoring system finishes walking the walking path, if so, entering the step S9, otherwise, returning to the step S2;
s9, the data center averages all the received humidity information of the same depth to obtain average humidity of multiple depths in the soil of the hydro-fluctuation belt, and then gives suggestions on whether the current time period is suitable for entering the hydro-fluctuation belt and the cautions of entering the hydro-fluctuation belt according to all the average humidity information.
9. The monitoring method according to claim 8, further comprising, between step S2 and step S3:
a1, starting a fourth electric push rod, and then judging whether pressure information/humidity information is out of a set pressure/humidity range according to data acquired by a pressure sensor and a humidity sensor on the fourth electric push rod;
a2, if the pressure/humidity information is out of the set pressure/humidity range, judging whether the frequency that the pressure/humidity information is continuously out of the set pressure/humidity range is greater than the set frequency, if so, entering the step A3, otherwise, returning to the step S2;
a3, the controller transmits information that the continuous times are larger than the set times to the data center, the data center gives suggestions on whether the current time interval is suitable for entering a hydro-fluctuation belt and the attention points of entering the hydro-fluctuation belt according to the pressure information and the humidity information, and the monitoring is stopped;
a4, if the pressure information is less than or equal to the set pressure and the humidity information is less than or equal to the set humidity, the flow proceeds to step S3.
10. The method of claim 9, wherein when the drill pipe is a three-stage stepped shaft, further comprising:
after the push rod of the second electric push rod enters the drilled hole, the rod tops of the plurality of pressure rods are in contact with the step in the drilled hole along with the extension of the second electric push rod, and the pressure rods are obliquely pressed into the soil of the section where the second telescopic joint and the first telescopic joint are located under the pressure action of the blocking of the step and the extension of the second electric push rod to collect humidity information.
CN202010673270.4A 2020-07-14 2020-07-14 Hydro-fluctuation belt soil moisture monitoring system and monitoring method thereof Active CN111721920B (en)

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