CN107654226A - Underground moisture content meter - Google Patents
Underground moisture content meter Download PDFInfo
- Publication number
- CN107654226A CN107654226A CN201710728629.1A CN201710728629A CN107654226A CN 107654226 A CN107654226 A CN 107654226A CN 201710728629 A CN201710728629 A CN 201710728629A CN 107654226 A CN107654226 A CN 107654226A
- Authority
- CN
- China
- Prior art keywords
- inner wire
- joint
- moisture content
- content meter
- outer conductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/087—Well testing, e.g. testing for reservoir productivity or formation parameters
- E21B49/0875—Well testing, e.g. testing for reservoir productivity or formation parameters determining specific fluid parameters
Abstract
The invention provides a kind of underground moisture content meter, including:Circuit storehouse housing, its upper end are sealedly connected with the first joint, and its lower end is sealedly connected with the second joint, and middle control circuit is provided with the circuit storehouse housing;Outer conductor, its upper end is connected with second joint, and the upper end side wall of the outer conductor is provided with liquid outlet, and the lower end of the outer conductor connects the 3rd joint, inner wire support is connected with 3rd joint, formed with liquid inlet between the inner wire support and the 3rd joint;Inner wire, it is located in the outer conductor, and the upper end of the inner wire is connected with second joint and electrically connected with the middle control circuit, and the lower end of the inner wire is connected with the inner wire support and electrically connected with the middle control circuit.The underground of the present invention is directly arranged in downhole tool with moisture content meter, can measure the moisture content of underground oil reservoir in real time, it has the advantages of simple to operate, measurement period is short, cost is low and measurement data amount is big.
Description
Technical field
The present invention is related to a kind of moisture content meter, more particularly to the underground in a kind of technical field of petroleum extraction with aqueous
Rate meter.
Background technology
In oil field development, the liquid of oil well institute output is often the mixture of Oil, Water, Gas, and the moisture content of production fluid is
One of recovery well underground basic parameter, and one of important indicator of evaluation oil mining ability.In the different layers of same oil well
Section, the moisture content of its production fluid is not quite similar, therefore, it is necessary to determine the moisture content of different oil reservoirs, is opened according to test data design
Scheme is adopted, realizes the reasonable development to oil field.
At present, the method for measuring crude oil water content is broadly divided into ground test method and the class of downhole cartridge method of testing two.Wherein:
Ground test method is after crude oil is extracted into ground, the moisture content by distilling or using crude oil is measured the methods of ray, is belonged to
Off-line measurement, this method can accurately measure the moisture content of test solution, but its data obtained can only reflect oil indirectly
The actual conditions of layer, and with the shortcomings that test period is long, cost is high;Downhole cartridge method of testing is will to be filled with water cut test
The instrument G.I.H put, the moisture content of direct measurement oil reservoir production fluid, this method can only measure to oil well layer by layer,
And after downhole cartridge takes out, measurement also just stops, therefore can only discontinuously obtain the moisture content data of underground oil reservoir.
In the prior art also without a kind of device that can be continued to measure in real time to oil reservoir moisture content, therefore, it is necessary to
A kind of underground moisture content meter is provided, to overcome drawbacks described above.
The content of the invention
It is an object of the invention to provide a kind of underground moisture content meter, and its is simple to operate, measurement period is short, cost is low, surveys
It is big to measure data volume.
The above-mentioned purpose of the present invention can be realized using following technical proposal:
The present invention provides a kind of underground moisture content meter, including:
Circuit storehouse housing, its upper end are sealedly connected with the first joint, and its lower end is sealedly connected with the second joint, the electricity
Middle control circuit is provided with the housing of road storehouse;
Outer conductor, its upper end are connected with second joint, and the upper end side wall of the outer conductor is provided with liquid outlet, institute
The lower end for stating outer conductor connects the 3rd joint, and inner wire support, the inner wire support and institute are connected with the 3rd joint
State between the 3rd joint formed with liquid inlet;
Inner wire, it is located in the outer conductor, the upper end of the inner wire be connected with second joint and with institute
Middle control circuit electrical connection is stated, the lower end of the inner wire is connected with the inner wire support and electrically connected with the middle control circuit.
Underground moisture content meter as described above, wherein, the middle control circuit include an electromagnetic wave signal processing module and
The frequency electromagnetic waves transmitter module and frequency electromagnetic waves receiving module electrically connected respectively with the electromagnetic wave signal processing module.
Underground as described above moisture content meter, wherein, the first binding post is connected with first joint, it is described
By being electrically connected to external signal line between first binding post and the middle control circuit;Led in being connected with second joint
The binding post of body first, electrically connected between the binding post of inner wire first and the middle control circuit by the first signal wire,
The upper end of the inner wire electrically connects with the binding post of inner wire first;Inner wire is connected with the inner wire support
Second binding post, the lower end of the inner wire electrically connect with the binding post of inner wire second, and the inner wire second connects
Electrically connected between line terminals and the middle control circuit by secondary signal line.
Underground as described above moisture content meter, wherein, the outer sheath of the outer conductor is provided with containment vessel, the protection
Position on shell corresponding to the liquid outlet is provided with opening;Gap is provided between the outer conductor and the containment vessel, it is described
Inner wire support is provided with crossed beam trunking, and the outer conductor is provided with outer conductor cable-through hole, and second joint connects provided with second
Head cable-through hole, the secondary signal line sequentially pass through the crossed beam trunking, the outer conductor cable-through hole, the outer conductor and described
Electrically connected behind gap and the second joint cable-through hole between containment vessel with the middle control circuit.
Underground moisture content meter as described above, wherein, the outer wall of second joint is provided with upper shoulder, and described the
The outer wall of three joints is provided with lower shoulder, the lower surface of the upper surface of the containment vessel and the containment vessel respectively with it is described on
Shoulder and the lower shoulder abut against.
Underground as described above moisture content meter, wherein, the lower end of second joint is provided with the mounting hole of inner wire first,
Inner wire insulation sleeve is provided with the mounting hole of inner wire first, the binding post of inner wire first is located at the inner wire
In insulation sleeve, the upper end of the inner wire is inserted in the inner wire insulation sleeve.
Underground as described above moisture content meter, wherein, the inner wire support is bolted in the 3rd joint, institute
The middle part for stating inner wire support is provided with the mounting hole of inner wire second, and being provided with inner wire in the mounting hole of inner wire second insulate
Set, the binding post of inner wire second are located in the inner wire insulation sleeve, and the lower end of the inner wire, which is inserted in described, leads
In body insulation sleeve.
Underground moisture content meter as described above, wherein, the upper end of first joint is bolted with connector, and described the
One binding post is arranged on the middle part of the connector.
Underground as described above moisture content meter, wherein, it is spirally connected simultaneously between first joint and the circuit storehouse housing
Sealed using sealing ring;It is spirally connected between circuit storehouse housing and second joint and is sealed using sealing ring.
Underground as described above moisture content meter, wherein, the inner wire is made of copper;The outer conductor is formed from steel.
Underground as described above moisture content meter, wherein, the underground is located at moisture content meter in the cavity of downhole tool,
The lower end of the cavity is matrix, the first joint of the underground moisture content meter and the data processing in the cavity
Module is spirally connected, and the underground is spirally connected with the 3rd joint of moisture content meter with described matrix, the periphery wall of described matrix be provided with into
Liquid mouth, the inlet are entered by the feed pathway being arranged in described matrix with forming the liquid in the 3rd joint
Mouth is connected.
The features of the present invention and advantage are:
The underground of the present invention is directly arranged in downhole tool with moisture content meter, can measure the aqueous of underground oil reservoir in real time
Rate, it has the advantages of simple to operate, measurement period is short, cost is low and measurement data amount is big.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, right
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
His accompanying drawing.
Fig. 1 is the front view of the underground moisture content meter of the present invention;
Fig. 2 is the sectional view of the underground moisture content meter of this hair;
Fig. 3 is Fig. 2 B portions partial schematic diagram;
Fig. 4 is Fig. 2 C portions partial schematic diagram;
Fig. 5 is Fig. 2 A-A to schematic cross-section;
Fig. 6 is arranged on structural representation when in downhole tool for the underground of the present invention with moisture content meter;
The liquid communication that Fig. 7 is arranged on intrinsic silicon when in downhole tool for the underground of the present invention with moisture content meter is shown
It is intended to;
Fig. 8 is the process chart of the underground moisture content meter of the present invention.
Brief description of the drawings:1st, the first joint;10th, external thread section;11st, the first binding post;12nd, sealing ring;13rd, externally believe
Number line;14th, sealing ring;15th, connector;2nd, circuit storehouse housing;20th, middle control circuit;3rd, the second joint;31st, the first signal wire;
32nd, sealing ring;33rd, the binding post of inner wire first;34th, inner wire insulation sleeve;35th, the second joint cable-through hole;36th, inner wire
First mounting hole;37th, upper shoulder;4th, outer conductor;41st, liquid outlet;43rd, inner wire;44th, secondary signal line;5th, the 3rd connect
Head;51st, outer conductor cable-through hole;52nd, crossed beam trunking;53rd, the binding post of inner wire second;54th, inner wire insulation sleeve;55th, inner wire
Support;56th, the mounting hole of inner wire second;57th, liquid inlet;58th, lower shoulder;6th, containment vessel;61st, it is open;7th, downhole tool;
70th, cavity;71st, housing;72nd, inlet;73rd, matrix;74th, feed pathway;8th, data processing module.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
As shown in Figures 1 to 5, the present invention provides a kind of underground moisture content meter, including:Circuit storehouse housing 2, its upper end
The first joint 1 is sealedly connected with, its lower end is sealedly connected with the second joint 3, middle control circuit is provided with the circuit storehouse housing 2
20;Outer conductor 4, its upper end are connected with second joint 3, and the upper end side wall of the outer conductor 4 is provided with liquid outlet 41, institute
The lower end for stating outer conductor 4 connects the 3rd joint 5, and inner wire support 55, the inner wire branch are connected with the 3rd joint 5
Formed with liquid inlet 57 between frame 55 and the 3rd joint 5;Inner wire 43, it is located in the outer conductor 4, described
The upper end of inner wire 43 is connected with second joint 3 and electrically connected with the middle control circuit 20, the lower end of the inner wire 43
It is connected with the inner wire support 55 and is electrically connected with the middle control circuit 20.The underground of the present invention is directly set with moisture content meter
It is placed in downhole tool 7, the moisture content of underground oil reservoir can be measured in real time, it has, and simple to operate, measurement period is short, cost
The advantages of low and measurement data amount is big.
As depicted in figs. 1 and 2, in the present embodiment, the generally cylindrical housings of circuit storehouse housing 2, circuit storehouse
The upper end of housing 2 is sealedly connected with the first joint 1, and its lower end is sealedly connected with the second joint 3, and the inside of circuit storehouse housing 2 is set
There is middle control circuit 20.
Specifically, please refer to shown in Fig. 6, the first joint 1 is a cylindrical drum, and the top of its outer wall is provided with outer spiral shell
Line section 10 and sealing ring 12, to be spirally connected with the sealing of the data processing module 8 on its top;The lower end of the outer wall of first joint 1 is set
There are a sealing ring 14 and external thread section (not marked in figure), the lower end of the joint 1 of circuit storehouse housing 2 and first is spirally connected and passes through sealing
The sealing of circle 14;The inner upper end of first joint 1 is connected with the first binding post 11, and middle control circuit 20 passes through to external signal line 13
Electrically connect, external signal line 13 is located in the first joint 1 with the first binding post 11.
Further, the upper end of the first joint 1 is bolted with connector 15, and the first binding post 11 is arranged on connector 15
Middle part.Connector 15 is spirally connected with the first joint 1, and there are connecting hole (not marked in figure), the first terminals in the middle part of connector 15
Son 11 is arranged in the connecting hole.Because connector 15 is detachable so that the first binding post 11 it is easy for installation.
As shown in Figures 2 and 3, the second joint 3 generally cylindrical drum.The upper end of second joint 3 is provided with the He of sealing ring 32
External thread section (does not mark) in figure, and the upper end of circuit storehouse housing 2 and the second joint 3 is spirally connected and sealed by sealing ring 32.Second
The interior lower end of joint 3 is connected with the first binding post of inner wire 33, the first binding post of inner wire 33 and middle control circuit 20 it
Between electrically connected by the first signal wire 31, first signal wire 31 is located in the second joint 3.
Further, the lower end of the second joint 3 is provided with the first mounting hole of inner wire 36, in the first mounting hole of inner wire 36
Provided with inner wire insulation sleeve 34, the first binding post of inner wire 33 is located in inner wire insulation sleeve 34.Inner wire insulation sleeve 34 by
Insulating materials is made, and prevents from leaking electricity.
As shown in Figures 2 to 5, the upper end of outer conductor 4 and the lower end of the second joint 3 are spirally connected, the lower end connection of outer conductor 4
There is the 3rd joint 5, inner wire support 55 is connected with the 3rd joint 5, the inside of outer conductor 4 is provided with inner wire 43.
Specifically, outer conductor 4 is a cylindrical drum, preferably steel cylinder cylinder.The outside of outer conductor 4 is provided with containment vessel
6, containment vessel 6 plays a part of protecting outer conductor 4.Containment vessel 6 is steel shell, corresponds to liquid outlet 41 on containment vessel 6
Position is provided with opening 61, and gap is provided between outer conductor 4 and containment vessel 6.
Inner wire 43 is a cylindrical bar, preferably copper cylindrical bar.Inner wire 43 is located in the inside of outer conductor 4, inside leads
The upper end of body 43 is connected with the second joint 3 and electrically connected with middle control circuit 20.Specifically, in the upper end insertion of inner wire 43
Electrically connected in conductor insulation set 34 and with the first binding post of inner wire 33, then pass through the first signal wire 31 and middle control electricity again
Road 20 electrically connects.
3rd joint 5 is a cylindrical drum, and its upper end and the lower end of outer conductor 4 are spirally connected, and interior lead is connected with the 3rd joint 5
Body support frame 55, liquid inlet 57 is formed between the joint 5 of inner wire support 55 and the 3rd.
The generally cuboid of inner wire support 55, its two side and the inwall of the 3rd joint 5 are spirally connected, inner wire branch
The middle part of frame 55 is provided with the second mounting hole of inner wire 56, is provided with inner wire insulation sleeve 54 in the second mounting hole of inner wire 56, inside leads
The second binding post of inner wire 53 is provided with body insulation sleeve 54.In the lower end insertion inner wire insulation sleeve 54 of inner wire 43, so as to
The lower end of inner wire 43 electrically connects with the second binding post of inner wire 53.The second binding post of inner wire 53 and middle control circuit 20
Between electrically connected by secondary signal line 44.Specifically, gap, inner wire support 55 are provided between outer conductor 4 and containment vessel 6
Crossed beam trunking 52 is provided with, outer conductor 4 is provided with outer conductor cable-through hole 51, and the second joint 3 is provided with the second joint cable-through hole 35,
Secondary signal line 44 sequentially passes through the gap and between crossed beam trunking 52, outer conductor cable-through hole 51, outer conductor 4 and containment vessel 6
Electrically connected after two joint cable-through holes 35 with middle control circuit 20.
According to an embodiment of the invention, as shown in figure 8, middle control circuit 20 includes electromagnetic wave signal processing mould
Block and the frequency electromagnetic waves transmitter module electrically connected respectively with the electromagnetic wave signal processing module and frequency electromagnetic waves receive mould
Block.Frequency electromagnetic waves transmitter module can launch frequency electromagnetic waves, and frequency electromagnetic waves receiving module can receive frequency electromagnetic waves, electricity
Frequency electromagnetic waves can be analyzed and handled to magnetostatic wave signal processing module, and above-mentioned modules cooperate, and form a high-frequency electromagnetic
The circulation loop that ripple is launched and received.
According to an embodiment of the invention, the outer wall of the second joint 3 is provided with upper shoulder 37, the 3rd joint 5 it is outer
Wall is provided with lower shoulder 58, the upper surface of containment vessel 6 and the lower surface of containment vessel 6 respectively with upper shoulder 37 and the phase of lower shoulder 58
Abut, so as to realize the axially position of containment vessel 6.
The operation principle of the underground moisture content meter of the present invention is as follows:
As shown in Figure 6 and Figure 7, downhole tool 7 is a cylindrical drum, and it has housing 71, and housing 71, which encloses, to be set to form cavity
70, the lower end of cavity 70 is matrix 73.The underground of the present invention is arranged in the cavity 70 of downhole tool 7 with moisture content meter, this hair
First joint 1 of bright underground moisture content meter is spirally connected with the data processing module 8 in cavity 70, the data processing mould
The data that the energy centering control of block 8 circuit 20 transmits are handled.The 3rd joint 5 and the matrix 73 of underground moisture content meter are spirally connected.Base
The periphery wall of body 73 is provided with inlet 72, and inlet 72 is by the feed pathway 74 that is arranged in matrix 73 with being formed the
Liquid inlet 57 in three joints 5 is connected.Down-hole liquid enters from liquid inlet 57, flow through inner wire 43 and outer conductor 4 it
Between annular space, flowed out from liquid outlet 41.
Specifically include an electromagnetic wave signal processing module as shown in figure 8, controlling circuit 20 in this and believe respectively with the electromagnetic wave
Frequency electromagnetic waves transmitter module and frequency electromagnetic waves receiving module of the electrical connection of number processing module etc., electromagnetic wave signal processing mould
Block to external signal line 13 with the data processing module 8 on its top by electrically connecting, frequency electromagnetic waves transmitter module and the first signal
Line 31 electrically connects, and frequency electromagnetic waves receiving module electrically connects with secondary signal line 44, outer conductor 4, inner wire 43 and they it
Between annular space be collectively forming signal acquisition module.In the present embodiment, electromagnetic wave signal processing module is single-chip microcomputer.In
The first signal wire 31 and secondary signal line 44 between control circuit 20 and inner wire 43 are all that coaxial line signal wire (is similar to electricity
Depending on signal wire) rather than electric wire.High frequency electromagnetic wave signal is in middle control circuit 20, the first signal wire 31, inner wire 43 and outer conductor 4
Between annular space and secondary signal line 44 in transmit.
The underground of the present invention is with the course of work of moisture content meter:The liquid of underground is oil mixing with water medium, middle control circuit
20 frequency electromagnetic waves transmitter module can send the frequency electromagnetic waves of certain frequency, pass through the first signal wire 31, inner wire first
Frequency electromagnetic waves are directed in the oil mixing with water medium between inner wire 43 and outer conductor 4 by binding post 33, frequency electromagnetic waves
Phase can be influenceed in oil mixing with water Propagation by the oil mixing with water medium, then frequency electromagnetic waves pass through again
Binary signal line 44 passes the frequency electromagnetic waves receiving module of middle control circuit 20 back, and then is being transmitted to single-chip microcomputer, finally by monolithic machine examination
Survey high-frequency electromagnetic wave phase and compare can and draw influence of the liquid medium to high-frequency electromagnetic wave phase, then by coaxial
Phase of line method computing, you can measure the moisture content of the oil mixing with water medium.
Wherein, the principle of Coaxial-wire method survey moisture content is:Measurement electromagnetic wave is in coaxial line in oil mixing with water medium
The phase characteristic of propagation, and changed by appropriate mathematical modeling, it is normal to obtain the dielectric of oil mixing with water medium in coaxial line
Number, finally again by oil mixing with water dielectric model, the moisture content of oil mixing with water medium is obtained after data processing.
The underground of the present invention is directly arranged in downhole tool 7 with moisture content meter, can measure containing for underground oil reservoir in real time
Water rate, it has the advantages of simple to operate, measurement period is short, cost is low and measurement data amount is big.
The schematical embodiment of the present invention is the foregoing is only, is not limited to the scope of the present invention.It is any
Those skilled in the art, made equivalent variations and modification on the premise of the design of the present invention and principle is not departed from,
The scope of protection of the invention should be belonged to.
Claims (11)
1. a kind of underground moisture content meter, it is characterised in that the underground is included with moisture content meter:
Circuit storehouse housing (2), its upper end are sealedly connected with the first joint (1), and its lower end is sealedly connected with the second joint (3), institute
State and middle control circuit (20) is provided with circuit storehouse housing (2);
Outer conductor (4), its upper end are connected with second joint (3), and the upper end side wall of the outer conductor (4) is provided with liquid outlet
(41), the lower end of the outer conductor (4) connects the 3rd joint (5), and inner wire support is connected with the 3rd joint (5)
(55), formed with liquid inlet (57) between the inner wire support (55) and the 3rd joint (5);
Inner wire (43), it is located in the outer conductor (4), the upper end of the inner wire (43) and second joint (3)
It is connected and is electrically connected with the middle control circuit (20), the lower end of the inner wire (43) is connected simultaneously with the inner wire support (55)
Electrically connected with the middle control circuit (20).
2. underground moisture content meter according to claim 1, it is characterised in that the middle control circuit (20) includes an electromagnetism
Ripple signal processing module and the frequency electromagnetic waves transmitter module and high frequency electrically connected respectively with the electromagnetic wave signal processing module
Electromagnetic wave receiving module.
3. underground moisture content meter according to claim 1, it is characterised in that is connected with first joint (1)
One binding post (11), by external signal line (13) electricity between first binding post (11) and the middle control circuit (20)
Connection;The binding post of inner wire first (33), the binding post of inner wire first (33) are connected with second joint (3)
Electrically connected between middle control circuit (20) by the first signal wire (31), the upper end of the inner wire (43) interior is led with described
The binding post of body first (33) electrically connects;The binding post of inner wire second (53), institute are connected with the inner wire support (55)
The lower end for stating inner wire (43) electrically connects with the binding post of inner wire second (53), the binding post of inner wire second
(53) electrically connected between the middle control circuit by secondary signal line (44).
4. underground moisture content meter according to claim 3, it is characterised in that the outer sheath of the outer conductor (4) is provided with
Containment vessel (6), the position that the liquid outlet (41) is corresponded on the containment vessel (6) are provided with opening (61);The outer conductor
(4) gap is provided between the containment vessel (6), the inner wire support (55) is provided with crossed beam trunking (52), the outer conductor
(4) outer conductor cable-through hole (51) is provided with, second joint (3) is provided with the second joint cable-through hole (35), second letter
Number line (44) sequentially passes through the crossed beam trunking (52), the outer conductor cable-through hole (51), the outer conductor (4) and the containment vessel
(6) gap and the second joint cable-through hole (35) between electrically connect with the middle control circuit (20) afterwards.
5. underground moisture content meter according to claim 4, it is characterised in that set on the outer wall of second joint (3)
There is upper shoulder (37), the outer wall of the 3rd joint (5) is provided with lower shoulder (58), the upper surface of the containment vessel (6) and institute
The lower surface for stating containment vessel (6) abuts against with the upper shoulder (37) and the lower shoulder (58) respectively.
6. underground moisture content meter according to claim 3, it is characterised in that the lower end of second joint (3) is provided with
The mounting hole of inner wire first (36), is provided with inner wire insulation sleeve (34) in the mounting hole of inner wire first (36), it is described in lead
The binding post of body first (33) is located in the inner wire insulation sleeve (34), and the upper end of the inner wire (43), which is inserted in described, leads
In body insulation sleeve (34).
7. underground moisture content meter according to claim 3, it is characterised in that the inner wire support (55) is bolted in institute
State in the 3rd joint (5), the middle part of the inner wire support (55) is provided with the mounting hole of inner wire second (56), the inner wire the
Inner wire insulation sleeve (54) is provided with two mounting holes (56), the binding post of inner wire second (53) is exhausted located at the inner wire
In edge set (54), the lower end of the inner wire (43) is inserted in the inner wire insulation sleeve (54).
8. underground moisture content meter according to claim 3, it is characterised in that the upper end of first joint (1) is spirally connected
There is connector (15), first binding post (11) is arranged on the middle part of the connector (15).
9. underground moisture content meter according to claim 1, it is characterised in that first joint (1) and the circuit
It is spirally connected between storehouse housing (2) and is sealed using sealing ring;It is spirally connected and adopts between circuit storehouse housing (2) and second joint (3)
Sealed with sealing ring.
10. underground moisture content meter according to claim 3, it is characterised in that the inner wire (43) is made of copper;Institute
Outer conductor (4) is stated to be formed from steel.
11. underground moisture content meter according to claim 3, it is characterised in that the underground is located at well with moisture content meter
In the cavity (70) of lower instrument (7), the lower end of the cavity (70) is matrix (73), and the first of the underground moisture content meter connects
Head (1) is spirally connected with the data processing module (8) in the cavity (70), the 3rd joint of the underground moisture content meter
(5) it is spirally connected with described matrix (73), the periphery wall of described matrix (73) is provided with inlet (72), and the inlet (72) passes through
The feed pathway (74) being arranged in described matrix (73) is connected with forming the liquid inlet (57) in the 3rd joint (5)
It is logical.
Priority Applications (1)
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CN201710728629.1A CN107654226A (en) | 2017-08-23 | 2017-08-23 | Underground moisture content meter |
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CN201710728629.1A CN107654226A (en) | 2017-08-23 | 2017-08-23 | Underground moisture content meter |
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Application publication date: 20180202 |