CN109459559A - A kind of embedded device and test macro for deep layer rock soil water potential sensor - Google Patents
A kind of embedded device and test macro for deep layer rock soil water potential sensor Download PDFInfo
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- CN109459559A CN109459559A CN201811590237.4A CN201811590237A CN109459559A CN 109459559 A CN109459559 A CN 109459559A CN 201811590237 A CN201811590237 A CN 201811590237A CN 109459559 A CN109459559 A CN 109459559A
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- 239000002689 soil Substances 0.000 title claims abstract description 113
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 113
- 239000011435 rock Substances 0.000 title claims abstract description 97
- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 238000009434 installation Methods 0.000 claims abstract description 13
- 239000000919 ceramic Substances 0.000 abstract description 8
- 239000000843 powder Substances 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- HPNSNYBUADCFDR-UHFFFAOYSA-N chromafenozide Chemical compound CC1=CC(C)=CC(C(=O)N(NC(=O)C=2C(=C3CCCOC3=CC=2)C)C(C)(C)C)=C1 HPNSNYBUADCFDR-UHFFFAOYSA-N 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004047 hole gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
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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
- G01N33/24—Earth materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
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- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
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Abstract
本发明提供了一种用于深层岩石土水势传感器的埋设装置及测试系统，涉及岩土检测领域。用于深层岩石土水势传感器的埋设装置包括土水势传感器和岩芯，岩芯是通过钻孔获得的所需测试岩石层的原岩样，岩芯的一端开设有安装孔，土水势传感器设置于安装孔内，土水势传感器与安装孔过盈配合，且土水势传感器与安装孔之间能够采用原岩粉末填充以保证紧密贴合。该用于深层岩石土水势传感器的埋设装置采用原岩岩芯对土水势传感器进行预封装，既保证了土水势传感器周围介质与实际测试岩石完全一致，也能很好地保护易碎的陶瓷头传感器，且便于野外现场安装埋设。
The invention provides an burying device and a testing system for a deep rock and soil water potential sensor, and relates to the field of rock and soil detection. The burying device used for the deep rock soil water potential sensor includes a soil water potential sensor and a core. The core is the original rock sample of the required test rock layer obtained by drilling. One end of the core is provided with a mounting hole, and the soil water potential sensor is set at the In the installation hole, the soil-water potential sensor and the installation hole have an interference fit, and the soil-water potential sensor and the installation hole can be filled with original rock powder to ensure a tight fit. The burying device for deep rock soil water potential sensor uses the original rock core to pre-package the soil water potential sensor, which not only ensures that the surrounding medium of the soil water potential sensor is completely consistent with the actual test rock, but also can well protect the fragile ceramic head The sensor is easy to be installed and buried in the field.
Description
Technical field
The present invention relates to ground detection fields, in particular to a kind of burying for deep layer rock soil water potential sensor
If device and test macro.
Background technique
Water, gas interface form a kind of power, referred to as matric suction in unsaturated soil.Matric suction refer in soil hole gas with
The pressure difference value of water embodies soil to the adsorption capacity of water, is an important topic in unsaturated soil research and correlation engineering.
Currently, common soil water potential sensor method carries out the measurement of unsaturated soil matric suction.The work of soil water potential sensor is former
Reason is to be obtained using the suction equalization between Rock And Soil and soil water potential sensor ceramics probe by the moisture content of measurement ceramics probe
Out ceramics probe suction, and then push away Rock And Soil suction.
And the probe of common soil water potential sensor is ceramic material, intensity is low and easily broken, is chiefly used in thin solum
In.For deep rock mass, the intensity of rock is high, cannot be in ceramics probe insertion rock that will be frangible；On the other hand, soil water potential
Sensor is tested by medium suction equalization, and the suction equalization level difference of different medium is very big, and existing technology is difficult
To guarantee the consistency of soil water potential sensor perimeter medium with the deep rock mass tested.
Summary of the invention
One of the objects of the present invention is to provide a kind of embedded devices for deep layer rock soil water potential sensor, using original
Rock core is pre-packaged to the progress of soil water potential sensor, both ensure that soil water potential sensor surrounding medium and required test rock were complete
Unanimously, the reliability for guaranteeing test can also protect frangible ceramic head sensor well, and bury convenient for field condition installation
And if can test deep layer rock.
Another object of the present invention is to provide a kind of test macros for deep layer rock soil water potential sensor, using original
Rock core is pre-packaged to the progress of soil water potential sensor, both ensure that soil water potential sensor surrounding medium and required test rock were complete
Unanimously, the reliability for guaranteeing test can also protect frangible ceramic head sensor well, and bury convenient for field condition installation
And if can test deep layer rock.
To achieve the goals above, the present invention provides a kind of technical solution:
The embodiment of the invention provides a kind of embedded devices for deep layer rock soil water potential sensor, including soil water potential to pass
Sensor and core, one end of the core offer mounting hole, and the soil water potential sensor is set in the mounting hole, and institute
It states soil water potential sensor and the mounting hole is interference fitted.
Further, the core offers connecting hole far from the other end of the one end for opening up the mounting hole, and described
Connecting hole is connected to the mounting hole.
Further, the aperture of the connecting hole is less than the aperture of the mounting hole.
Further, the soil water potential covers disposed on sensor is equipped with cable, and the connecting hole is stretched out in one end of the cable.
Further, link slot is provided on the outer wall of the core.
Further, the core has opposite first end face and second end face, and the link slot runs through described first
End face and the second end face.
Further, the link slot has multiple, and multiple link slots are circumferentially opened on the outer wall of the core.
Further, the embedded device for deep layer rock soil water potential sensor further includes traction rope, the traction
Rope protrudes into the link slot, to be able to drive the core.
Further, the core is cylinder.
The embodiment of the invention provides a kind of test macros for deep layer rock soil water potential sensor, including rock ontology
And embedded device.The embedded device for deep layer rock soil water potential sensor includes soil water potential sensor and core, described
One end of core offers mounting hole, and the soil water potential sensor is set in the mounting hole, and the soil water potential sensor
It is interference fitted with the mounting hole.The rock ontology offers instrument connection, and the core is located in the instrument connection, and with institute
State instrument connection interference fit.
Compared with the existing technology, the embedded device provided by the present invention for deep layer rock soil water potential sensor and test system
The beneficial effect of system is:
A kind of embedded device and test macro for deep layer rock soil water potential sensor provided by the invention, by soil water potential
In test rock stratum needed for sensor is mounted on the core that obtains, by the mounting hole that protolith core is opened up, so that native
Flow of water sensor perimeter medium and required test rock are completely the same to reach balanced medium, guarantee the reliability of test data,
And it can play the role of protecting soil water potential sensor, and the matric suction of deep layer rock can be reached in the mesh of validity test
's.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural representation of the test macro provided in an embodiment of the present invention for deep layer rock soil water potential sensor
Figure；
Fig. 2 is the structural representation of the embedded device provided in an embodiment of the present invention for deep layer rock soil water potential sensor
Figure；
Fig. 3 is the structure of the core of the embedded device provided in an embodiment of the present invention for deep layer rock soil water potential sensor
Schematic diagram；
Fig. 4 is that the soil water potential of the embedded device provided in an embodiment of the present invention for deep layer rock soil water potential sensor senses
The structural schematic diagram of device.
Icon: 1- is used for the test macro of deep layer rock soil water potential sensor；2- rock ontology；21- instrument connection；3- is used
In the embedded device of deep layer rock soil water potential sensor；31- soil water potential sensor；311- cable；32- core；321- mounting hole；
322- connecting hole；323- link slot；324- first end face；325- second end face；33- traction rope.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it is to be understood that, the instructions such as term " center ", "upper", "lower", "inner", "outside"
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when usually put
The orientation or positional relationship that orientation or positional relationship or those skilled in the art usually understand is merely for convenience of describing
The present invention and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" opening up ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Embodiment
Referring to Fig. 1, Fig. 1 show the test system provided in an embodiment of the present invention for deep layer rock soil water potential sensor
The structural schematic diagram of system 1.The matrix that test macro 1 for deep layer rock soil water potential sensor is mainly used in deep layer rock is inhaled
Power is a kind of device that can more accurately measure deep layer performances of rock.
Test macro 1 for deep layer rock soil water potential sensor including rock ontology 2 and is used for deep layer rock soil water potential
The embedded device 3 of sensor, and rock ontology 2 offers instrument connection 21, the embedded dress for deep layer rock soil water potential sensor
It sets 3 to be located in instrument connection 21, and is interference fitted with instrument connection 21, and be used for the embedded device 3 of deep layer rock soil water potential sensor
Positioned at the bottom of instrument connection 21.
Rock ontology 2 is mainly used for the embedded device 3 that carrying is used for deep layer rock soil water potential sensor, and keeps one with it
The state that kind fits closely.Embedded device 3 for deep layer rock soil water potential sensor fills mainly for the protection of internal test
It sets, and a kind of state fitted closely can be kept with rock ontology 2, and the matric suction of deep layer rock can be reached and have
Imitate the purpose of test.The test macro 1 for being used for deep layer rock soil water potential sensor can protect soil water potential sensor 31, and right
Deep layer rock is tested, and ensure that the reliability of test result.
Referring to Fig. 2, Fig. 2 is the embedded device 3 provided in an embodiment of the present invention for deep layer rock soil water potential sensor
Structural schematic diagram.
Embedded device 3 for deep layer rock soil water potential sensor includes soil water potential sensor 31 and core 32, core 32
One end offer mounting hole 321, soil water potential sensor 31 is set in mounting hole 321, and soil water potential sensor 31 and installation
Hole 321 is interference fitted.
It should be noted that can use the filling of protolith powder to guarantee between soil water potential sensor 31 and mounting hole 321
It fits closely.
It should be noted that mounting hole 321 is generally cylindrical, match with the shape of soil water potential sensor 31.At this
In embodiment, a length of 60mm of mounting hole 321, diameter 15mm.It is understood that in other embodiments, mounting hole
321 size can also be other sizes, need to keep to fit closely with soil water potential sensor 31, i.e. soil water potential sensor
After 31 can be installed in mounting hole 321, the opposite motionless state of mounting hole 321 can be kept in mounting hole 321.Installation
Play the role of protecting soil water potential sensor 31 in hole 321.
Fig. 3 show the core of the embedded device 3 provided in an embodiment of the present invention for deep layer rock soil water potential sensor
32 structural schematic diagram, please refers to Fig. 2 and Fig. 3.
It should be noted that instrument connection 21 is formed after taking out core 32.
Core 32 is located in instrument connection 21, and can be interference fitted with instrument connection 21, so that soil water potential sensor 31 can
Go deep into inside rock ontology 2, and keep fitting closely for core 32 and instrument connection 21, in-situ test is carried out, to obtain really may be used
The test data leaned on.
Core 32 is the rock for being derived from the core position of rock ontology 2, is generally produced by way of drilling.Wherein, rock
Stone ontology 2 is located at position of stratum to be measured, and rock ontology 2 is usually said protolith.
It should be noted that carrying out using protolith core 32 to soil water potential sensor 31 pre-packaged, soil water potential both ensure that
31 surrounding medium of sensor and required test rock are completely the same, guarantee the reliability of test, can also protect well frangible
Ceramic head sensor, and it is convenient for field condition Embedded installation, and can test deep layer rock.
It should be noted that core 32 is substantially in for cylinder.And it is not limited to cylinder, it can also be cuboid or rib
The shapes such as cylindricality only need that mounting hole 321 can be opened up, soil water potential sensor 31 are coated.
It should be noted that in the present embodiment, a length of 100-150mm of core 32, diameter 50-110mm.It can manage
Solution, in other embodiments, core 32 can also be other sizes, only need to be greatly than the size of soil water potential sensor 31
It can.
Further, core 32 offers connecting hole 322 far from the other end of the one end for opening up mounting hole 321, and connects
Hole 322 is connected to mounting hole 321.
It should be noted that connecting hole 322 is generally cylindrical, the connecting line of soil water potential sensor 31 can allow for pass through
Wherein.In the present embodiment, a length of 40-90mm of connecting hole 322, diameter 6mm.It is understood that in other embodiments
In, the size of connecting hole 322 can also be other sizes, need to only guarantee that soil water potential sensor 31 can be worn with external connecting line
It crosses.
It should be noted that the aperture of connecting hole 322 is less than the aperture of mounting hole 321.Mounting hole 321 and connecting hole 322
Junction form a positive stop lug boss (not shown), soil water potential sensor 31 can contact with the positive stop lug boss, and positive stop lug boss is used
In the movement of limitation soil water potential sensor 31.
Further, link slot 323 is provided on the outer wall of core 32.Link slot 323 is used for and external connection, and being convenient for will
Core 32 is accurately placed in instrument connection 21, to be tested.It is placed in instrument connection 21 when core 32 is completely anti-, until arriving
When up to the bottom of instrument connection 21, the top of instrument connection 21 is sealed.Generally be sealed using protolith powder, with guarantee into
The stability that row is tested for a long time.
Core 32 has opposite first end face 324 and second end face 325, and link slot 323 runs through 324 He of first end face
Second end face 325.Link slot 323 is substantially in cuboid, can also be the shapes such as other shapes, such as round or triangle,
Groove body need to be only capable of forming.It is understood that in other embodiments, link slot 323 can also be not through first end
Face 324 and second end face 325.
In the present embodiment, link slot 323 is vertical state on the outer wall of core 32, i.e., runs through first end face vertically
324 and second end face 325.
It should be noted that link slot 323 can also be that is, oblique to run through first in angularly disposed on the outer wall of core 32
End face 324 and second end face 325.
Further, link slot 323 has multiple, and multiple link slots 323 are circumferential to be opened on the outer wall of core 32.Connection
The quantity of slot 323 can for two, three it is even more, be not specifically limited herein, in the present embodiment, link slot 323
Quantity be four.
Fig. 4 show the Tu Shui of the embedded device 3 provided in an embodiment of the present invention for deep layer rock soil water potential sensor
The structural schematic diagram of gesture sensor 31, please refers to Fig. 2 and Fig. 4.
It should be noted that soil water potential sensor 31 is generally cylindrical, match with the shape of mounting hole 321.At this
In embodiment, a length of 60mm of soil water potential sensor 31, diameter 15mm.It is understood that in other embodiments, Tu Shui
The size of gesture sensor 31 can also be other sizes, be subject to the concrete model of use.
Cable 311 is provided on soil water potential sensor 31, connecting hole 322 is stretched out in one end of cable 311.
The effect of cable 311 is to pass the end of soil water potential sensor 31 data detected in a manner of signal transmitting
It passs out.
Please continue to refer to Fig. 2, the embedded device 3 for deep layer rock soil water potential sensor further includes traction rope 33, traction
Rope 33 protrudes into link slot 323, to be able to drive core 32.
Traction rope 33 protrudes into link slot 323, and as connecting rope is wrapped on link slot 323, by traction rope
33 connect with core 32.
In the present embodiment, traction rope 33 is lifting steel cable, and is not limited to steel cable, can also be nylon rope etc., only need energy
Enter core 32 in instrument connection 21.
The assembling process of embedded device 3 provided in this embodiment for deep layer rock soil water potential sensor introduced below:
Soil water potential sensor 31 is protruded into mounting hole 321 and is interference fitted, and cable 311 is stretched from connecting hole 322
Out；Traction rope 33 is wound in link slot 323.
The working principle of test macro 1 provided in this embodiment for deep layer rock soil water potential sensor introduced below:
Mounting hole 321 is opened up by taking out core 32 from rock ontology 2, then in core 32 to install soil water potential biography
Sensor 31, then the core 32 for being equipped with soil water potential sensor 31 is put back into interference in the instrument connection 21 that rock ontology 2 is opened up and is matched
It closes, so that 31 periphery medium of soil water potential sensor and required test rock are completely the same to reach balanced medium, to carry out original position
Test.
In conclusion a kind of embedded device 3 and test system for deep layer rock soil water potential sensor provided by the invention
System is tested on the core 32 obtained in rock stratum needed for being mounted on soil water potential sensor 31, by being opened up in protolith core 32
Mounting hole 321 in so that 31 periphery medium of soil water potential sensor and required test rock it is completely the same to reach balanced medium,
Guarantee the reliability of test data, and can play the role of protecting soil water potential sensor 31, and can be to the base of deep layer rock
Matter suction achievees the purpose that validity test.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111224516A (en) * | 2019-11-22 | 2020-06-02 | 苏州保邦电气有限公司 | Magnetic levitation motor radial sensor installation structure |
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