CN109001431A - A kind of soil moisture automatic punching measuring device - Google Patents
A kind of soil moisture automatic punching measuring device Download PDFInfo
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- CN109001431A CN109001431A CN201810707080.2A CN201810707080A CN109001431A CN 109001431 A CN109001431 A CN 109001431A CN 201810707080 A CN201810707080 A CN 201810707080A CN 109001431 A CN109001431 A CN 109001431A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G01N33/246—Earth materials for water content
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Abstract
The present invention relates to a kind of soil moisture automatic punching measuring devices, including punching probe, by getting the pre-perforated of different depth under punching driving motor driving；Probe is measured, is used to be acquired the moisture data of soil, is arranged in the punching probe interior；Probe switch mechanism is punched, is used to open or close in the cone excavation portion for punching probe, so that measurement probe freely passes in and out punching probe；First minitype cylinder is connect with measurement probe, and the measurement probe is sent out from punching probe and measures and is recovered to after measurement and is punched in probe；Pressure sensor, is arranged in the measurement end of measurement probe, and the data of acquisition judge to measure whether probe reaches suitable measurement position；Drimeter controls and receives device, connect with punching driving motor, punching probe switch mechanism, the first minitype cylinder, pressure sensor and measurement probe, controls their unlatching, opening time and stopping.
Description
Technical field
The present patent application is 2017 applying date May 02nd, application No. is: 2017102981496, a kind of entitled " depth
The divisional application of the application for a patent for invention of layer soil Multipoint synchronous punching measurement method ".The present invention relates to for studying variation ring
Soil moisture content transformation belongs to hydrology science study method field, more particularly, to one to the method for hydrologic process response relation under border
Kind deep soil Multipoint synchronous punches measurement method.
Background technique
Section soil moisture measurement system is the time domain reflection technology based on profile soil moisture sensor, directly to survey
Soil or the dielectric constant of other media are measured, how much presentation substantial connections with soil water content, soil contain dielectric constant again
Water can be exported by analog voltage and is calculated and be shown out by frame of reference.The technology is current soil moisture content determining device
Mainstream principle, soil moisture can be carried out it is continuous, quickly, accurate measurement.It simultaneously can be used for measurement upper soll layer moisture content.
The equipment response time about 10-20 seconds of general section soil moisture measurement system is suitble to traverse measurement and fixed point monitoring, measurement knot
Fruit is by Effects of Salinity very little.
But Usage profile soil moisture measurement system is when being measured deeper soil moisture, pre- is beaten due to mating
The probe that aperture apparatus not can guarantee section soil moisture measurement system is disposably properly inserted in pre-perforated, is likely to result in this way
The damage of section soil moisture measurement system probe.
In addition, multiple measurement points are arranged in existing soil moisture measurement needs in the same area, soil is measured respectively
Moisture data.But in view of the limited limitation with crew numbers of field work condition, while being steamed by the field temperature difference and moisture
The influence of hair, longer interval time influences whether the measured value of whole region moisture between each measurement point, and data is caused to be lost
Very.
In addition, when using existing section soil moisture measurement system, due to the diversity of ingredient in soil, solid chad pole
It measures probe damage during be easy to causeing downlink, and soil water measuring instrument is expensive, causes use cost high.
Referring to following Chinese patent literature:
1, denomination of invention: a kind of for measuring the improvement device of soil moisture；Application number: 200620168653.1；Patentee:
Shenyang Inst. of Applied Ecology, Chinese Academy of Sciences.The patent of invention includes punch and soil moisture instrument.First use punch pair
Soil is punched, and is reused soil moisture instrument and is measured.But existing technological deficiency is to be unable to ensure soil moisture
The measurement probe of instrument accurately enters in pre-perforated, and is possible to be damaged by chad during downlink.Meanwhile not having
Provide the technical inspiration of multiple hole synchro measures.
2, a kind of denomination of invention: pre-perforated device can be used for section soil moisture measurement system；Application number:
201610248040.7；Patent applicant: China Water Resources & Hydropower Science Research Institute.The patent application solves perforating device and limit
Positioning relation between the pipe of position, but the measurement probe for being also unable to ensure subsequent placement accurately enters in predetermined hole, and if
There are chads in downlink, will also result in the damage of detection system.Equally, the technology of multiple hole synchro measures is not provided yet
Enlightenment.
Summary of the invention
The technical issues of present invention devises a kind of deep soil Multipoint synchronous punching measurement method, solves is:
(1) multiple measurement points are arranged in existing soil moisture measurement needs in the same area, measure soil water score respectively
According to.But in view of the limitation of the inconvenience of field work condition and crew numbers, while the shadow evaporated by the field temperature difference and moisture
It rings, longer interval time influences whether the measured value of whole region moisture between each measurement point, leads to data distortion.
(2) existing Usage profile soil moisture measurement system is mating pre-perforated when being measured to deeper soil moisture
The probe that device not can guarantee section soil moisture measurement system is disposably properly inserted in pre-perforated, is likely to result in cuts open in this way
The damage of face soil moisture measurement system probe.
(3) using existing section soil moisture measurement system when, due to the diversity of ingredient in soil, solid chad is extremely
It is easy to cause measurement probe during downlink to damage, soil water measuring instrument is expensive, causes use cost high.
In order to solve above-mentioned technical problem, present invention employs following scheme:
A kind of deep soil Multipoint synchronous punching measurement method, comprising the following steps:
Step 1 excavates multiple holes in specific region, places in each hole a position-limiting tube (6), in each position-limiting tube (6)
Equipped with an automatic punching measuring device (9), automatic punching measuring device (9) is located at hole bottom, controls and receives device (8) connection institute
Some automatic punching measuring devices (9)；
Step 2, the punching driving motor (14) for controlling and receiving all punchings probe (1) of device (8) starting rotate forward, and each cone is excavated
Excavated downwards by the transmission of power pre-perforated in portion (11)；
Step 3, punching driving motor (14) reversion for controlling and receiving all punchings probe (1) of device (8) starting, so that every punching
Probe (1) restores to the original state before step 2 beginning；
Step 4 controls and receives each punching probe switch mechanism (4) of device (8) starting, the transmission that each telescopic rod (41) passes through power
Respective cone excavation portion (11) is opened, so that every measurement probe (2) down going channel is unobstructed；
Step 5 controls and receives device (8) and starts each first minitype cylinder (7), and each first minitype cylinder (7) is by respective survey
It measures probe (2) and releases punching probe (1)；
During step 6, every measurement probe (2) downlink, when the numerical value of any pressure sensor (21) output reaches default
When value, illustrates that measure probe (2) comes into full contact with soil to be measured, control and receive device (8) and close the pressure sensor (21) correspondence
The first minitype cylinder (7), until closing all first minitype cylinders (7)；
Step 7, the acquisition for controlling and receiving each measurement probe (2) progress moisture data of device (8) starting, and be stored in control and connect
It receives in device (8)；
Step 8, data acquisition finish, and control and receive device (8) and start each first minitype cylinder (7), by every measurement probe (2)
It is retracted in corresponding punching probe (1)；
Step 9 controls and receives the punching probe switch mechanism (4) that device (8) start each automatic punching measuring device (9), will be each
From cone excavation portion (11) closed；
Step 10 takes out automatic punching measuring device (9) from position-limiting tube (6).
Further, the position limiting slide block (61) in the step 1 by position-limiting tube (6) and automatic punching measuring device (9)
The limiting groove (31) of mounting platform (3) cooperates, so that punching probe 1 is accurately located at the bottom of hole.
Further, if pre-perforated depth can not can repeat step 2-3 by once completing.
Further, the automatic punching measuring device (9) of part repeats step 2-3 or part automatic punching measuring device
(9) number for repeating step 2-3 is different, to realize the measurement of the pre-perforated moisture of different depth.
A kind of deep carbonate rocks Multipoint synchronous measuring system, including it is multiple position-limiting tubes (6), multiple holes, multiple automatic
It punches measuring device (9) and one controls and receives device (8), a position-limiting tube (6), each position-limiting tube are placed in each hole
(6) it is equipped with an automatic punching measuring device (9) in, controls and receives each automatic punching measuring device (9) of device (8) synchronously control
It carries out while punching while measuring and the transmission of measurement data.
Further, the automatic punching measuring device (9) includes punching probe (1), passes through punching driving motor (14)
The pre-perforated of different depth is got under driving；It measures probe (2), is used to be acquired the moisture data of soil, be arranged
It is internal in the punching probe (1)；It punches probe switch mechanism (4), the cone excavation portion for being used to punch probe (1) is opened
Or close, so that measurement probe (2) freely disengaging punching probe (1)；First minitype cylinder (7), even with measurement probe (2)
It connects, the measurement probe (2) is sent out from punching probe (1) and measures and is recovered to punching after measurement and is visited
In needle (1)；Pressure sensor (21) is arranged in the measurement end of measurement probe (2), the data judgement measurement probe of acquisition
(2) whether reach suitable measurement position；Drimeter controls and receives device (8), with punching driving motor (14), punching
Probe switch mechanism (4), the first minitype cylinder (7), pressure sensor (21) and measurement probe (2) connection, control theirs
Unlatching, opening time and stopping.
Further, the punching probe (1) includes cone excavation portion (11), mobile connection portion (12) and is fixedly connected with portion
(13)；Punching driving motor (14) output end connect with the portion that is fixedly connected (13) one end, be fixedly connected portion's (13) other end and
Mobile connection portion (12) one end is attached by screw thread, and mobile connection portion (12) are stretched in the case where the portion that is fixedly connected (13) rotate
Contracting；Mobile connection portion (12) other end is connect by connecting shaft (15) with cone excavation portion (11)；Punch probe switch mechanism
(4) opening or closing and synchronizing the release or withdrawal of realizing measurement probe (2) for cone excavation portion (11) is controlled；The movement is even
Socket part (12) surface is equipped with the spiral groove (16) for facilitating soil to export.
Further, the punching probe switch mechanism (4) includes telescopic rod (41), cylinder rod (42), flexible hollow tube
(43) and the second minitype cylinder (45), the second minitype cylinder (45) are fixed on mobile connection portion (12) inner wall, and second is miniature
The cylinder rod (42) of cylinder (45) is fixedly connected with telescopic rod (41) one end, and telescopic rod (41) moves along a straight line in cylinder rod (42)
It stretches under effect；Flexible hollow tube (43) is fixed on the inner wall in cone excavation portion (11), telescopic rod (41) other end into
Enter directly to open cone excavation portion (11) in flexible hollow tube (43) or opens cone excavation indirectly by flexible hollow tube (43)
Portion (11).
Further, cone excavation portion (11) is at least made of two hemicones (111), and each hemicone (111) sets
There is a flexible hollow tube (43), each hemicone (111) is connected by a connection shaft (15) and mobile connection portion (12)
It connects；Mobile connection portion (12) is equipped with the limit for limiting hemicone (111) opening angle with the one end for connecting shaft (15) connection
Bit slice (17).
Further, the unlatching of two hemicones (111) is realized by second minitype cylinder (45)；Specific structure
Are as follows: telescopic rod (41) is connect by connecting annulus (44) with a mandril, and measurement probe (2) passes through connection annulus (44)；Telescopic rod
(41) cooperate with the flexible hollow tube (43) on a hemicone (111), another bullet on mandril and another hemicone (111)
Property hollow pipe (43) cooperate.
Further, a reset spring (46) are equipped between each hemicone (111) and mobile connection portion (12) to be used to help
Hemicone (111) can revert to cone structure after being opened.
It further, further include mounting platform (3), punching driving motor (14) is fixed on mounting platform (3), measures probe
(2) one end is also mounted on mounting platform (3), connects an extension rod (5) above mounting platform (3).
It further, further include a position-limiting tube (6), entire pipe shaft is embedded in the soil, can position automatic punching measurement dress
Set the punch position of (9)；Position-limiting tube (6) inner wall is axially equipped with multiple position limiting slide blocks (61), and mounting platform (3) is correspondingly provided with
The identical limiting groove of quantity (31), position limiting slide block (61) and limiting groove (31) mutual cooperation ensure the positional relationship of the two not
It can deviate.
Further, the punching probe (1) is two pieces, and corresponding measurement probe (2) is also two pieces；Two pieces of punchings are visited
Needle (1) works at the same time, and two pieces of measurement probes (2) also work at the same time.
Deep soil Multipoint synchronous punching measurement method has the advantages that
(1) present invention may be implemented multiple automatic punching measuring devices and synchronize in different holes to be punched, measured and surveyed
The transmission for measuring data, can obtain measured value of multiple measurement point soil moistures in the same time, the measured value in specific region
The moisture situation for reflecting the regional soil that can be more true and reliable.
(2) present invention will punch probe together with measurement probe combinations, release measurement after punching probe punching
Probe measures, and reduces measurement probe and needs to individually enter step in pre-perforated, avoids measurement probe and enters error
And lead to the damage for measuring probe, damage of the pre-perforated middle chad to measurement probe can also be avoided.
(3) automation punched and measured may be implemented in the present invention, changes over artificial excessively multicontact mode, raising
Measurement accuracy and measurement efficiency.
Detailed description of the invention
Fig. 1: the structural schematic diagram of automatic punching measuring device in the present invention；
The operation schematic diagram of probe switch mechanism is punched in Fig. 2: Fig. 1；
The appearance diagram of probe is punched in Fig. 3: Fig. 1；
Fig. 4: mounting platform and position-limiting tube connection schematic diagram in the present invention；
Cone excavation portion structural schematic diagram in Fig. 5: Fig. 1；
Fig. 6: control unit connects block diagram in the present invention；
Fig. 7: the structural schematic diagram of deep carbonate rocks Multipoint synchronous measuring system of the present invention.
Description of symbols:
1-punching probe；11-cone excavation portions；111-hemicones；12-mobile connection portions；13-are fixedly connected with portion；14—
Punch driving motor；15-connection shafts；16-spiral grooves；17-limit films；2-measurement probes；21-pressure sensors；
3-mounting platforms；31-limiting grooves；4-punching probe switch mechanisms；41-telescopic rods；42-cylinder rods；43-elasticity are empty
Heart pipe；44-connection annulus；45-the second minitype cylinder；46-reset springs；5-extension rods；6-position-limiting tubes；61-limits
Sliding block；7-the first minitype cylinder；8-control and receive device；9-automatic punching measuring devices.
Specific embodiment
Below with reference to Fig. 1 to Fig. 7, the present invention will be further described:
As shown in Figure 1, a kind of deep carbonate rocks Multipoint synchronous measuring system, including punching probe 1 and measurement probe 2, punching
Probe 1 is hollow structure, and measurement probe 2 is placed in punching probe 1.Punching probe 1 is two pieces, corresponding measurement probe
2 be also two pieces；Two pieces of punching probes 1 work at the same time, and two pieces of measurement probes 2 also work at the same time.After punching the punching of probe 1,
The automatic measurement probe 2 that releases carries out soil moisture measurement, avoids measurement probe 2 and needs independently to enter in pre-perforated or enter
It is damaged when pre-perforated by chad.
Specifically, punching probe 1 includes cone excavation portion 11, mobile connection portion 12 and is fixedly connected with portion 13, is punched
The output end of driving motor 14 is connect with 13 one end of the portion that is fixedly connected, and is fixedly connected with 13 other end of portion and 12 one end of mobile connection portion
It is attached by screw thread, mobile connection portion 12 stretches in the case where the portion that is fixedly connected 13 rotates；12 other end of mobile connection portion
It is connect by connection shaft 15 with cone excavation portion 11；Punch unlatching or pass that probe switch mechanism 4 controls cone excavation portion 11
It closes and synchronizes the release or withdrawal of realizing measurement probe 2；12 surface of mobile connection portion is equipped with the spiral groove for facilitating soil to export
16。
The above-mentioned portion 13 that is fixedly connected does not mean that it is output that is fixed, and referring to itself and punching driving motor 14
End is fixedly connected, and under the action of punching driving motor 14, is fixedly connected with the rotation of portion 13, and make mobile connection by threaded function
Portion 12 rotates, and makes it be threadedly coupled length with the portion that is fixedly connected 13 in 12 rotation process of mobile connection portion and changes, thus
It realizes flexible.So needing an appearance in mobile connection portion 12 and the portion that is fixedly connected 13 is covered with the rod structure of screw thread, one
It is covered with the tubular structure of screw thread for inside.The length of the two screw thread can be provided according to 12 movable length of mobile connection portion.
Working principle is as follows: when controlling and receiving device 8 by instruction starting punching driving motor 14, punching driving motor 14 is just
Turn, driving is fixedly connected with portion 13 and also rotates forward, so that the rotation of mobile connection portion 12 is stretched out, the cone of 12 lower end of mobile connection portion is excavated
Portion 11 starts to punch by way of rotation in the soil.When a rotating forward stroke finishes, controls and receives device 8 and pass through instruction starting
Driving motor 14 to be punched to invert, driving is fixedly connected with portion 13 and also inverts, so that the rotation of mobile connection portion 12 retracts, cone excavation portion
11 are also retracted.The pre-perforated of different depth can be got by repeating above-mentioned control flow.
As shown in Fig. 2, punching probe switch mechanism 4 includes telescopic rod 41, cylinder rod 42, flexible hollow tube 43 and second
Minitype cylinder 45, the second minitype cylinder 45 are fixed on 12 inner wall of mobile connection portion, the cylinder rod 42 of the second minitype cylinder 45 with
41 one end of telescopic rod is fixedly connected, and telescopic rod 41 stretches under the action of cylinder rod 42 moves along a straight line；Flexible hollow tube 43
It is fixed on the inner wall in cone excavation portion 11,41 other end of telescopic rod, which enters in flexible hollow tube 43, directly opens cone excavation portion
11 or cone excavation portion 11 is opened by flexible hollow tube 43 indirectly.
The cylinder rod 42 of second minitype cylinder 45 drives telescopic rod 41 flexible and passes in and out flexible hollow tube 43.Selection elasticity
The advantages of hollow pipe 43, is: avoiding telescopic rod 41 and 111 contact position of hemicone when telescopic rod 41 opens hemicone 111 and sends out
Changing；It may insure that cone excavation portion 11 is smoothly opened, avoid its stuck or wear.
Cone excavation portion 11 is at least made of two hemicones 111, and each hemicone 111 is equipped with a flexible hollow tube
43, each hemicone 111 is connect by a connection shaft 15 with mobile connection portion 12；Mobile connection portion 12 with connect shaft
One end of 15 connections is equipped with the limit film 17 for limiting 111 opening angle of hemicone.
The unlatching of two hemicones 111 measures the second minitype cylinder 45 by a release and realizes, specific structure are as follows: flexible
Bar 41 is connect by connecting annulus 44 with a mandril, and measurement probe 2 passes through connection annulus 44；Telescopic rod 41 and a hemicone
Flexible hollow tube 43 on 111 cooperates, and another flexible hollow tube 43 on mandril and another hemicone 111 cooperates.It is above-mentioned to stretch
Contracting bar 41 is driven by second minitype cylinder 45 altogether with mandril, can save space, and can also save manufacturing cost, also
It may insure that telescopic rod 41 works asynchronously always with mandril and two hemicones 111 are synchronized and are opened.
When needing to close cone excavation portion 11, punching driving motor 14 is inverted, and each hemicone 111 needs to restore former
Shape can help hemicone 111 in quilt so being equipped with a reset spring 46 between each hemicone 111 and mobile connection portion 12
Cone structure is reverted to after opening.
As shown in figure 3,12 surface of mobile connection portion is equipped with the spiral groove 16 for facilitating soil to export.
As shown in figure 4, deep soil Multipoint synchronous punching measurement method of the present invention further includes mounting platform 3, punching driving
Motor 14 is fixed on mounting platform 3, and one end of measurement probe 2 is also mounted on mounting platform 3, is connected above mounting platform 3
One extension rod 5.In addition, further including a position-limiting tube 6, entire pipe shaft is embedded in the soil；6 inner wall of position-limiting tube is axially
Equipped with multiple position limiting slide blocks 61, mounting platform 3 is correspondingly provided with the identical limiting groove 31 of quantity, position limiting slide block 61 and limiting groove
31, which cooperate, ensures that the positional relationship of the two will not deviate.
As shown in figure 5, cone excavation portion 11 is made of two hemicones 111, the hemicone 111 refers to along cone
Cone is cut into the identical structure of two volume sizes by height.
As shown in fig. 6, deep soil Multipoint synchronous punching measurement method control unit connection type of the present invention is as follows:
Drimeter controls and receives device 8, with the second miniature gas for punching driving motor 14, punching probe switch mechanism 4
Cylinder 45, the first minitype cylinder 7, pressure sensor 21 and measurement probe 2 connect, and control their unlatching, the opening time and stop
Only.In addition, the device 8 that controls and receives of drimeter also controls punching driving motor 14, punching probe switch mechanism 4 by power supply
The second minitype cylinder 45, the first minitype cylinder 7, pressure sensor 21 and measurement probe 2.
As shown in fig. 7, a kind of deep soil Multipoint synchronous punching measurement method, including six position-limiting tubes, 6, six hole A,
B, C, D, E, F, six automatic punching measuring devices 9 and one control and receive device 8, a position-limiting tube 6 are placed in each hole, often
It is equipped with an automatic punching measuring device 9 in a position-limiting tube 6, controls and receives each automatic punching measuring device 9 of 8 synchronously control of device
It carries out while punching while measuring and the transmission of measurement data.
Deep soil Multipoint synchronous punching measurement method of the present invention is as follows:
Step 1 excavates multiple holes in specific region, and a position-limiting tube 6 is placed in each hole, is equipped in each position-limiting tube 6
One automatic punching measuring device 9, automatic punching measuring device 9 are located at hole bottom, control and receive device 8 connect it is all automatic
Punch measuring device 9.
Step 2 controls and receives the rotating forward of punching driving motor 14 that device 8 starts all punching probes 1, each cone excavation portion
11 transmissions for passing through power are excavated downwards pre-perforated.
Step 3 controls and receives the reversion of punching driving motor 14 that device 8 starts all punching probes 1, so that every punching is visited
Needle 1 restores to the original state before step 2 beginning.
Step 4 controls and receives device 8 and starts each punching probe switch mechanism 4, and each telescopic rod 41 is beaten by the transmission of power
Respective cone excavation portion 11 is opened, so that every 2 down going channel of measurement probe is unobstructed.
Step 5 controls and receives device 8 and starts each first minitype cylinder 7, and each first minitype cylinder 7 is by respective measurement
Probe 2 releases punching probe 1.
During step 6, every 2 downlink of measurement probe, when the numerical value of any one pressure sensor 21 output reaches pre-
If illustrating that measure probe 2 comes into full contact with soil to be measured when value, the closing of device 8 pressure sensor 21 corresponding the is controlled and received
One minitype cylinder 7, until closing all first minitype cylinders 7.
Step 7 controls and receives device 8 and starts each measurement probe 2 and carry out the acquisition of moisture data, and is stored in and controls and receives
In device 8.
Step 8, data acquisition finish, and control and receive device 8 and start each first minitype cylinder 7, every measurement probe 2 is received
It is back in corresponding punching probe 1.
Step 9 controls and receives the punching probe switch mechanism 4 that device 8 starts each automatic punching measuring device 9, will be respective
Cone excavation portion 11 closed.
Step 10 takes out automatic punching measuring device 9 from position-limiting tube 6.
It is further improved, it is flat by the installation of the position limiting slide block 61 of position-limiting tube 6 and automatic punching measuring device 9 in step 1
The limiting groove 31 of platform 3 cooperates, so that punching probe 1 is accurately located at the bottom of hole.
If pre-perforated depth can not can repeat step 2-3 by once completing.
Part automatic punching measuring device 9 repeats step 2-3, repeats step 2-3 by part automatic punching measuring device 9
Number it is different, to realize the measurement of the pre-perforated moisture of different depth.
Above in conjunction with attached drawing, an exemplary description of the invention, it is clear that realization of the invention is not by aforesaid way
Limitation, as long as use the inventive concept and technical scheme of the present invention carry out various improvement, or it is not improved will be of the invention
Conception and technical scheme directly apply to other occasions, be within the scope of the invention.
Claims (5)
1. a kind of soil moisture automatic punching measuring device, it is characterised in that: including punching probe (1), pass through punching driving
The pre-perforated of different depth is got under motor (14) driving；It measures probe (2), is used to adopt the moisture data of soil
Collection, setting are internal in the punching probe (1)；It punches probe switch mechanism (4), is used to that the cone of probe (1) will to be punched
Excavation portion opens or closes, so that measurement probe (2) freely disengaging punching probe (1)；First minitype cylinder (7), with survey
Probe (2) connection is measured, the measurement probe (2) submitting and is measured and after measurement from punching probe (1)
It is recovered in punching probe (1)；Pressure sensor (21) is arranged in the measurement end of measurement probe (2), the data of acquisition
Judge to measure whether probe (2) reach suitable measurement position；Drimeter controls and receives device (8), drives with punching
Motor (14), punching probe switch mechanism (4), the first minitype cylinder (7), pressure sensor (21) and measurement probe (2) are even
It connects, controls their unlatching, opening time and stopping.
2. soil moisture automatic punching measuring device according to claim 1, it is characterised in that: the punching probe (1)
Including cone excavation portion (11), mobile connection portion (12) and it is fixedly connected portion (13)；Punch the output end of driving motor (14)
It is connect with the portion that is fixedly connected (13) one end, is fixedly connected with portion's (13) other end and mobile connection portion (12) one end and is carried out by screw thread
Connection, mobile connection portion (12) are stretched in the case where the portion that is fixedly connected (13) rotate；Mobile connection portion (12) other end passes through company
Switch through axis (15) to connect with cone excavation portion (11)；Punch probe switch mechanism (4) control cone excavation portion (11) unlatching or
It closes and synchronizes the release or withdrawal of realizing measurement probe (2)；Mobile connection portion (12) surface, which is equipped with, facilitates soil to export
Spiral groove (16).
3. soil moisture automatic punching measuring device according to claim 2, it is characterised in that: the punching probe switch
Mechanism (4) includes telescopic rod (41), cylinder rod (42), flexible hollow tube (43) and the second minitype cylinder (45), and second is miniature
Cylinder (45) is fixed on mobile connection portion (12) inner wall, the cylinder rod (42) and telescopic rod (41) one of the second minitype cylinder (45)
End is fixedly connected, and telescopic rod (41) stretches under the action of cylinder rod (42) move along a straight line；Flexible hollow tube (43) is fixed
On the inner wall in cone excavation portion (11), telescopic rod (41) other end, which enters in flexible hollow tube (43), directly opens cone excavation
Portion (11) opens cone excavation portion (11) by flexible hollow tube (43) indirectly.
4. soil moisture automatic punching measuring device described in any one of -3 according to claim 1, it is characterised in that: described
Cone excavation portion (11) is at least made of two hemicones (111), and each hemicone (111) is equipped with a flexible hollow tube
(43), each hemicone (111) is connect by a connection shaft (15) with mobile connection portion (12)；Mobile connection portion (12)
The limit film (17) for limiting hemicone (111) opening angle is equipped with the one end for connecting shaft (15) connection.
5. soil moisture automatic punching measuring device described in any one of -4 according to claim 1, it is characterised in that: two
The unlatching of hemicone (111) is realized by second minitype cylinder (45)；Specific structure are as follows: telescopic rod (41) passes through company
It connects annulus (44) to connect with a mandril, measurement probe (2) passes through connection annulus (44)；Telescopic rod (41) and a hemicone
(111) flexible hollow tube (43) cooperation on, mandril are matched with another flexible hollow tube (43) on another hemicone (111)
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN201810713677.8A Active CN109001434B (en) | 2017-05-02 | 2017-05-02 | Deep soil multi-point synchronous punching measurement system |
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| CN112684145B (en) * | 2020-12-15 | 2024-01-26 | 湖南博川农业发展有限责任公司 | Saline-alkali soil detection device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109001434A (en) | 2018-12-14 |
| CN109001434B (en) | 2020-05-12 |
| CN107132335B (en) | 2018-06-08 |
| CN109001433B (en) | 2020-01-31 |
| CN107132335A (en) | 2017-09-05 |
| CN109001433A (en) | 2018-12-14 |
| CN109001432B (en) | 2020-10-02 |
| CN109001432A (en) | 2018-12-14 |
| CN109001431B (en) | 2020-08-25 |
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