CN205595460U - Along with boring electromagnetic wave emit antenna - Google Patents
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- CN205595460U CN205595460U CN201620064964.7U CN201620064964U CN205595460U CN 205595460 U CN205595460 U CN 205595460U CN 201620064964 U CN201620064964 U CN 201620064964U CN 205595460 U CN205595460 U CN 205595460U
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- magnetic stripe
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- covered wire
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Abstract
The utility model provides an along with boring electromagnetic wave emit antenna. The antenna includes a plurality of magnetic stripes and the enameled wire arranged in the surface circumference interval of drill collar skeleton, edge drill collar skeleton. The enameled wire around on a plurality of magnetic stripes and a plurality of magnetic stripe between form the electricity intercommunication, the enameled wire still is connected with the matching circuit board. The signal that the transmitting circuit transmission comes can be received to the matching circuit board to through outwards launching the electromagnetic wave after the humidification of enameled wire and magnetic stripe. Through the utility model discloses an antenna has not only effectively reduced the transmission and has mated electric capacity, has still improved the electromagnetic transmit power on day line.
Description
Technical field
This utility model relates to drilling measuring technical field, particularly relates to a kind of with the electromagnetic wave transmitting antenna bored.
Background technology
At present, existing nearly drill bit short-range transmission technique includes wired and wireless two ways.Wire transmission side
Formula is by transforming the frame for movement of helicoid hydraulic motor, makes cable pass helicoid hydraulic motor and connect MWD
(Measure while Drilling) and measurement pipe nipple, and by cable, data are transmitted.In this situation
Under, owing to helicoid hydraulic motor belongs to consumptive material, need often to change so that the holistic cost increase of helicoid hydraulic motor is bigger.
Traditional wireless transmission method includes: sonic transmissions and electromagnetic transmission two kinds.The work process one being wirelessly transferred
As be: data sensor acquisition arrived by the transmitter below helicoid hydraulic motor launch output.On helicoid hydraulic motor
The receiver of side receives data and carries out processing and being transferred to MWD, finally with realization measurement pipe nipple to MWD
Between data transmission.But, the structure of the transmitter and receiver of above-mentioned transmission means is extremely complex, simultaneously
Owing near drill bit and helicoid hydraulic motor, signal is disturbed relatively big, and data difficult treatment is loaded down with trivial details.
In existing wireless transmission method, more with the application that means of electromagnetic waves is transmitted.But, launch
With the antenna of reception electromagnetic wave, always affect the bottleneck of the performance of electromagnetic transmission equipment.Such as, the U.S. is special
Profit US2009/0153355A1 proposes a kind of nearly drill bit wireless electromagnetic short pass being specifically designed to electromagnetism MWD
System.Said system is only one of which antenna above helicoid hydraulic motor, both as the reception antenna of short pass system, again
Transmit the transmitting antenna of data as electromagnetism MWD earthward, simplify the structure of instrument to a certain extent.
But, above-mentioned antenna is arranged on drill collar outer rim, has opened several for laying short pass receiver and electricity in drill collar wall
The cavity of the circuit board of magnetic MWD, reduces the wall thickness of drill collar.In this case, the drill collar when creeping into
The moment of torsion, the pulling force that are subject to easily make drill collar damage.Secondly, it is difficult to after in circuit board is once cured to drill collar cavity
Change.
In prior art, as Chinese Patent No. CN201110319158.1 discloses a kind of antenna, it is boring
Outer surface quickly has annular recess.Interlayer insulating layer is arranged in above-mentioned annular recess, and glues mutually with drill collar body
Knot.Interlayer insulating layer is inlaid with the metal sheet band of a loop as metal tape electrode.But, aforesaid way
Antenna can only output a signal to stratum in the way of electric current, it is difficult to realize the biography of high efficiency electromagnetic wave signal
Defeated.
Utility model content
In order to solve above-mentioned all or part of problem, the utility model proposes a kind of with boring electromagnetic radiation sky
Line.Antenna includes drill collar skeleton, along multiple magnetic stripes of the circumferentially-spaced arrangement of outer surface of drill collar skeleton and enamel-cover
Line.Enamel-covered wire be wound on multiple magnetic stripe and and multiple magnetic stripe between formed electric connection, enamel-covered wire also with match circuit
Plate connects.Match circuit plate can receive the signal that radiating circuit transmission comes, and by enamel-covered wire and the effect of magnetic stripe
Backward emission electromagnetic wave.In this case, not only effectively reduce transmitting matching capacitance, also improve sky
The transmitting power of the electromagnetic wave on line.
Further, the outer surface at drill collar skeleton be provided with circumference annular recess, multiple magnetic stripes be intervally arranged in
In annular recess.Thus, it is spaced apart the magnetic stripe bottom annular recess and will be effectively improved the inductance of antenna, fall
Low transmitting matching capacitance.
Further, the cross section of annular recess is trapezoidal and bottom width is less than A/F.Thus, convenient
Multiple magnetic stripes are positioned over the bottom of annular recess.
Further, between magnetic stripe, the inside of annular recess is filled with protection glue.Thus, it is possible to protect and consolidate
Fixed multiple magnetic stripes.
Further, the outer surface at drill collar skeleton is provided with electronic compartment, match circuit away from one end of annular recess
Plate is contained in electronic compartment.Thus, match circuit plate can be positioned in electronic compartment and be convenient for changing.
Further, between electronic compartment and groove, it is communicated with both lead channels.Preferably, lead-in wire is logical
Road tilts towards annular recess from electronic compartment.Thus, it is possible to arrange lead-in wire in lead channels by electronic compartment
Match circuit plate links together with enamel-covered wire.
Further, enamel-covered wire is the enamel-cover that can adjust according to the frequency difference launching electromagnetic wave and be wound around the number of turn
Line.
Further, the outside at enamel-covered wire is provided with the apertured protective cover of band, it is preferable that protective cover is by two
The wall of semicircle shape or multiple arcuation combines.Thus, it is possible to protective paint envelope curve is not by slurry erosion.
This utility model, by optimizing the inductance of antenna, reduces and launches matching capacitance, can effectively improve real
Signal power on antenna, i.e. the energy improving power supply converts the efficiency with electromagnetic wave energy.Meanwhile, also drop
The low electric energy consumed at radiating circuit, decreases the heating of circuit board, and then improves Circuits System work
Reliability.
Accompanying drawing explanation
Hereinafter based on embodiment reference accompanying drawing, this utility model will be described in more detail.Its
In:
Fig. 1 is the structural representation of the antenna of this utility model embodiment；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the sectional view of the Section A-A of Fig. 1；And
Fig. 4 is the sectional view of the section B-B of Fig. 1.
In the accompanying drawings, identical parts use identical reference.Accompanying drawing is not according to actual ratio.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As depicted in figs. 1 and 2, a kind of electromagnetic wave transmitting antenna 100 with brill, including: drill collar skeleton 10,
Multiple magnetic stripes 30 of the circumferentially-spaced arrangement of outer surface along drill collar skeleton 10 and enamel-covered wire 60.Enamel-covered wire 60
It is wound on multiple magnetic stripe 30 also and between multiple magnetic stripe 30, forms electric connection.Enamel-covered wire 60 and match circuit plate
90 connect.Match circuit plate 90 can receive the signal that radiating circuit transmission comes, and by enamel-covered wire 60 and magnetic stripe
The effect backward emission electromagnetic wave of 30.In this case, enamel-covered wire 60 is wound on the magnetic stripe of arranged in parallel
On 30, the coiling number of turn of enamel-covered wire 60 can calculate according to the frequency launching electromagnetic wave and determine.Place magnetic stripe
30 will be effectively improved the inductance of antenna 100, and then are favorably improved the power of electromagnetic wave signal.
In a specific embodiment of the present utility model, as shown in Figure 1 to Figure 3, at drill collar skeleton 10
Outer surface be provided with circumference annular recess 20.Specifically, a circle groove is formed on the surface of drill collar skeleton 10
20.The cross section of groove 20 can be configured to trapezoidal, and the width of the bottom of groove 20 is less than the width of opening part.
In this case, the most multiple magnetic stripes 30 are intervally arranged in groove 20.Preferably, magnetic stripe 30
Width matches with the width of groove 20, and the degree of depth of the thickness of magnetic stripe 30 and whole groove 20 matches.
As it is shown on figure 3, magnetic stripe 30 arranging in emitting shape for a week around drill collar skeleton 10.
In a specific embodiment of the present utility model, as shown in Figure 2 to Figure 3, between magnetic stripe 30
The inside of annular recess 20 is filled with protection glue 50.On the one hand, protection glue 50 can by magnetic stripe 30 equably
Spaced apart；On the other hand, protection glue 50 and magnetic stripe 30 fill up annular recess 20 jointly to play fixation.
In a specific embodiment of the present utility model, as shown in Figures 1 to 4, at drill collar skeleton 10
Outer surface be provided with electronic compartment 80 away from one end of annular recess 20, match circuit plate 90 is contained in electronic compartment
In 80.Preferably, electronic compartment 80 is configured to a square receiving space, and its degree of depth is more than annular recess 20
The degree of depth.Both lead channels 70 it are communicated with between electronic compartment 80 and annular recess 20.Lead channels
The one end open of 70 is in the bottom of the sidewall of electronic compartment 80, and the other end is opened on the upper of the sidewall of annular recess 20
Portion.Lead channels 70 tilts towards annular recess 20 from electronic compartment 80.In this case, match circuit
Plate 90 can be replaced in electronic compartment 80.Wire and paints match circuit plate 90 through lead channels 70
Envelope curve 60 electrically connects.
In a specific embodiment of the present utility model, in order to protective paint envelope curve 60 is not by slurry erosion,
It is provided with protective cover 40 in the outside of enamel-covered wire 60.Specifically, protective cover 40 is by two semicircle shapes or multiple arcuation
Wall combine.Preferably, protective cover 40 can be configured to the gap protective cover being made up of nonmagnetic steel material.
Being carved with gap on the protective cover of gap, gap is filled by protection glue 50.In this case, on protective cover 40
Gap may insure that the electromagnetic wave signal produced by coiling enamel-covered wire 60 can be radiated drill collar skeleton 10 it
Outward.
Below the work process of antenna 100 of the present utility model is carried out simple illustration.
The high-power signal produced by radiating circuit match circuit plate 90 in electronic compartment 80 mates,
Afterwards by signal efficient coupling to the enamel-covered wire 60 being wrapped in magnetic stripe 30.Electromagnetic wave is produced on enamel-covered wire 60,
This electromagnetic wave gap radiation on protective cover, to outside drill collar skeleton 10, is finally connect by reception system at a distance
Receive.
In sum, this utility model, by the way of at drill collar skeleton 10 outer surface fluting, forms a circle and bores
Quickly skeleton groove 20.Magnetic stripe 30 arranged in parallel is on drill collar skeleton groove 20 surface.Enamel-covered wire 60 is wound on also
On the magnetic stripe 30 of row arrangement.Gap protective cover 40 is wrapped in outside enamel-covered wire 60, and gap protective cover 40 is carved
There is gap.The electromagnetic wave signal that enamel-covered wire 60 produces is by the outside of gap radiation to drill collar skeleton 10.This reality
With the novel inductance by optimizing antenna 100, reduce and launch matching capacitance, can effectively improve real in sky
Signal power on line, and then improve the energy conversion of power supply and the efficiency of electromagnetic wave energy.With prior art phase
Ratio, the simple in construction of the used antenna of this utility model 100, by increasing magnetic core, can improve transmitting antenna
Inductance more than 1 times, estimation can improve emitted energy 1.5 times.Meanwhile, reduce in radiating circuit consumption
Electric energy 50%, reduces the heating of circuit board, improves the reliability of Circuits System work.
Although this utility model being described by reference to preferred embodiment, but without departing from this utility model
Scope in the case of, can to its carry out various improvement and can with equivalent replace parts therein.Especially
It is, as long as there is not structural hazard, the every technical characteristic being previously mentioned in each embodiment all can be the most square
Formula combines.This utility model is not limited to specific embodiment disclosed herein, but includes falling into right
All technical schemes in the range of requirement.
Claims (10)
1. one kind with bore electromagnetic wave transmitting antenna, it is characterised in that including:
Drill collar skeleton；
Multiple magnetic stripes, along the circumferentially-spaced arrangement of outer surface of described drill collar skeleton；And
Enamel-covered wire, be wound on the plurality of magnetic stripe and and the plurality of magnetic stripe between formed and be electrically connected；
Wherein, described enamel-covered wire is connected with match circuit plate；Described match circuit plate can receive and mate transmitting electricity
The signal that road transmission comes；Described signal passes through enamel-covered wire and the backward emission of effect of magnetic stripe.
Antenna the most according to claim 1, it is characterised in that the outer surface at described drill collar skeleton is provided with
The annular recess of circumference, the plurality of magnetic stripe is intervally arranged in described groove.
Antenna the most according to claim 2, it is characterised in that the cross section of described annular recess is trapezoidal
And bottom width is less than A/F.
Antenna the most according to claim 2, it is characterised in that fill out in annular recess between described magnetic stripe
It is filled with protection glue.
Antenna the most according to claim 2, it is characterised in that described drill collar skeleton outer surface away from
One end of described annular recess is provided with electronic compartment, and described match circuit plate can be contained in described electronic compartment.
Antenna the most according to claim 5, it is characterised in that at described electronic compartment and described annular recess
Between be communicated with both lead channels.
Antenna the most according to claim 6, it is characterised in that described lead channels is from described electronic compartment court
Tilt to described annular recess.
Antenna the most according to claim 1, it is characterised in that described enamel-covered wire is can be according to launching electromagnetism
The frequency of ripple is different and adjusts the enamel-covered wire of the winding number of turn.
Antenna the most according to claim 1, it is characterised in that be provided with in the outside of described enamel-covered wire with
The protective cover in gap.
Antenna the most according to claim 9, it is characterised in that described protective cover by two semicircle shapes or
The wall of multiple arcuations combines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620064964.7U CN205595460U (en) | 2016-01-22 | 2016-01-22 | Along with boring electromagnetic wave emit antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620064964.7U CN205595460U (en) | 2016-01-22 | 2016-01-22 | Along with boring electromagnetic wave emit antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205595460U true CN205595460U (en) | 2016-09-21 |
Family
ID=56926814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620064964.7U Active CN205595460U (en) | 2016-01-22 | 2016-01-22 | Along with boring electromagnetic wave emit antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205595460U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339098A (en) * | 2017-07-11 | 2017-11-10 | 北京泰瑞博创科技有限公司 | A kind of measurement while drilling drilling tool and its measurement pipe nipple |
| CN109653742A (en) * | 2019-02-18 | 2019-04-19 | 北京恒泰万博石油技术股份有限公司 | A kind of nearly drill bit in underground is wireless short pass system and its control method |
| CN110265784A (en) * | 2018-03-12 | 2019-09-20 | 中国石油化工股份有限公司 | With the antenna equipment for boring instrument |
| CN110725681A (en) * | 2018-07-16 | 2020-01-24 | 中国石油化工股份有限公司 | Near-bit measuring device |
-
2016
- 2016-01-22 CN CN201620064964.7U patent/CN205595460U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339098A (en) * | 2017-07-11 | 2017-11-10 | 北京泰瑞博创科技有限公司 | A kind of measurement while drilling drilling tool and its measurement pipe nipple |
| CN107339098B (en) * | 2017-07-11 | 2024-04-26 | 北京泰瑞博创科技有限公司 | Measurement while drilling tool and measurement nipple thereof |
| CN110265784A (en) * | 2018-03-12 | 2019-09-20 | 中国石油化工股份有限公司 | With the antenna equipment for boring instrument |
| CN110265784B (en) * | 2018-03-12 | 2021-02-26 | 中国石油化工股份有限公司 | Antenna device of drilling instrument |
| CN110725681A (en) * | 2018-07-16 | 2020-01-24 | 中国石油化工股份有限公司 | Near-bit measuring device |
| CN109653742A (en) * | 2019-02-18 | 2019-04-19 | 北京恒泰万博石油技术股份有限公司 | A kind of nearly drill bit in underground is wireless short pass system and its control method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |