CN102128951A - Deepwater magnetic-induction turbine universal current meter - Google Patents
Deepwater magnetic-induction turbine universal current meter Download PDFInfo
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- CN102128951A CN102128951A CN2010105934283A CN201010593428A CN102128951A CN 102128951 A CN102128951 A CN 102128951A CN 2010105934283 A CN2010105934283 A CN 2010105934283A CN 201010593428 A CN201010593428 A CN 201010593428A CN 102128951 A CN102128951 A CN 102128951A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 20
- 230000006698 induction Effects 0.000 claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 108010066278 cabin-4 Proteins 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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Abstract
本发明涉及一种深水磁感应涡轮万向流速仪，其特征在于：它包括一流速仪固定支架，固定支架上设置有一固定转向轴，固定转向轴顶部设置一耐压舱，耐压舱通过转向轴承连接一水平转向连接件，水平转向连接件的一端连接一导流尾翼，另一端连接一转轴舱，转轴舱内设置有一涡轮转轴，涡轮转轴一端伸出转轴舱连接一涡轮，另一端设置有磁极；与磁极对应，耐压舱内设置有一磁簧开关，磁簧开关通过两芯水密耐压电缆连接一流速调节仪。本发明结构设计简单巧妙，耐压密封性强，能够自由转向满足深水流速长期检测的需求，因此，可广泛用于深海石油钻井系统中，水下输油管道的多点洋流的流速检测过程中。
The invention relates to a universal flow velocity meter of a deep-water magnetic induction turbine, which is characterized in that it includes a fixed bracket for the velocity meter, a fixed steering shaft is arranged on the fixed bracket, a pressure-resistant cabin is arranged on the top of the fixed steering shaft, and the pressure-resistant cabin passes through the steering bearing Connect a horizontal steering connector, one end of the horizontal steering connector is connected to a diverter fin, and the other end is connected to a shaft compartment, and a turbine shaft is arranged in the shaft compartment, and one end of the turbine shaft extends out of the shaft compartment to connect with a turbine, and the other end is provided with a magnetic pole Corresponding to the magnetic poles, a magnetic reed switch is arranged in the pressure-resistant cabin, and the magnetic reed switch is connected to a speed regulator through a two-core watertight pressure-resistant cable. The invention has simple and ingenious structural design, strong pressure resistance and sealing performance, and can be freely turned to meet the demand for long-term detection of deep water flow velocity. Therefore, it can be widely used in the flow velocity detection process of multi-point ocean currents in underwater oil pipelines in deep sea oil drilling systems.
Description
Technical field
The present invention relates to a kind of noncontact rotation-speed measuring device, particularly about the universal current meter of a kind of deep water magnetic induction turbine.
Background technology
Existing fluid-velocity survey under water mainly contains turbomachinery conduction-type and Doppler effect formula.The general structure of turbomachinery conduction-type is all fairly simple, and mostly at the traverse measurement of open channel short-term, its principle is to drive turbine by current to change flow velocity into secondary speed information, and then carries out acquisition process.Turbomachinery conduction-type current meter divides contact and non-contact type signal conduction pattern again, contact needs rotating shaft frequently to contact with measuring point to transmit rotary speed information, because the sealing more complicated of contact site is difficult under the condition of high voltage accomplish especially, is not suitable for submersible service.Contactless conduction pattern adopts magnetic induction information mostly, drives magnetic pole by rotating shaft and produces the magnetic field conversion, transmit rotary speed information, has avoided contacting of rotating shaft and measuring point, and reliable operation is simple in structure.Turbomachinery current meter power consumption is very little, but precision is lower, generally is applied to industry open channel flow velocity/flow measurements such as hydrologic monitoring, rivers flow monitoring, agricultural irrigation, municipal plumbing, industrial sewage.The Doppler effect formula generally is used for navigation channel, marine site and harbour flow rate detection, and it mainly utilizes the Doppler effect of current echo to analyze flow velocity, and light source and sound source etc. are arranged usually, the regional flow rate detection that is suitable for open waters, the precision height, but contain much information, resolve complexity, need to overcome withstand voltage during particularly deep water is measured, engineering problems such as sealing cost an arm and a leg, and are not suitable for local single point velocity and detect application, and its power consumption is big, is not suitable for the long-time flow rate detection of underwater battery power supply.Through market study, also do not find a device that can detect for a long time at deep water ocean flow velocity.
Summary of the invention
At the problems referred to above, the purpose of this invention is to provide and a kind ofly can carry out comprehensive measurement ocean, deep-sea flow velocity, have the universal current meter of deep water magnetic induction turbine withstand voltage, sealing ability.
For achieving the above object, the present invention takes following technical scheme: the universal current meter of a kind of deep water magnetic induction turbine, it is characterized in that: it comprises a current meter fixed support, described fixed support is provided with a fixing steering axle, described fixedly steering axle top is provided with a pressure-resistant cabin, described pressure-resistant cabin connects a horizontal steering linkage member by steering bearing, one end of described horizontal steering linkage member connects a water conservancy diversion empennage, the other end connects a rotating shaft cabin, described rotating shaft is provided with a turbine shaft in the cabin, described turbine shaft one end stretches out described rotating shaft cabin and connects a turbine, and the other end is provided with magnetic pole; Answer with described pole pair, be provided with a magnetic reed switch in the described pressure-resistant cabin, described magnetic reed switch connects first-class fast adjusting apparatus by two core watertight pressure-resistant cables.
Be provided with a direct current power supply in the described flow rate regulation instrument, the positive pole of described direct supply connects the signal input line of described two core watertight pressure-resistant cables, the be connected in parallel ground wire of filter capacitor, pull-up resistor and impulse meter of negative pole, the positive electrode of described filter capacitor and pull-up resistor, and the common output line that connects described two core watertight pressure-resistant cables of the input end of described impulse meter.
Described pressure-resistant cabin bottom is provided with the watertight interface, and described two core watertight pressure-resistant cables pass from described watertight interface, and the inner and inner cabling of fixed support connects described flow velocity (FBG) demodulator from described fixedly steering axle.
The end of described horizontal steering linkage member connects described water conservancy diversion empennage by the balance adjustment bolt.
Described magnetic reed switch is wherein a kind of of reed capsule and Hall original paper.
The present invention is owing to take above technical scheme, it has the following advantages: 1, worm gearing of the present invention separates setting with information receiver, and be on the different surfacess of revolution, it is static motionless that information receiver keeps, wheelwork in the turbine rotation device its 360 degree relatively freely turns to, therefore, can adapt under water ocean current and flow to changeablely, satisfy the top flow velocity measuring requirement that continues.2, the present invention is by splitting worm gearing and information receiver, can finish the driven non-withstand voltage conduction of flow rate information to quiet pressure part, promptly the flow rate information that dynamic turbine rotation is collected by the magnetic field conversion sends static information receiver to, and change flow rate information into current pulse signal by information receiver, finish the conduction of information.3, the present invention adopts magnetic-permeable material to make steering bearing, pressure-resistant cabin and fixing steering axle etc., and in pressure-resistant cabin, be provided with magnetic reed switch, therefore, though worm gearing separates setting with information receiver, but do not influence the transmission of Magnetic Field, in the free steering procedure of turbine, still can keep the unimpeded of information translation.Structural design of the present invention is simply ingenious, and pressure-resistant stopping property is strong, can freely turn to satisfy the long-term demand that detects of deep water flow velocity, therefore, can be widely used in the deep-sea oil well system, under water in the flow rate detection process of the multiple spot ocean current of oil pipeline.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is an information receiver structural representation of the present invention
Embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
As shown in Figure 1 and Figure 2, the present invention includes worm gearing and information receiver.
Worm gearing comprises a turbine 1, turbine 1 connects a turbine shaft 2, the other end of turbine shaft 2 connects a wheelwork 3, wheelwork 3 rotates and is arranged in the rotating shaft cabin 4, wheelwork 3 ends are provided with magnetic pole 5, the rotating shaft cabin 4 terminal horizontal steering linkage members 6 that connect, the end of horizontal steering linkage member 6 connects a water conservancy diversion empennage 8 by balance adjustment bolt 7.
Information receiver comprises the pressure-resistant cabin 10 that is arranged on horizontal steering linkage member 6 inside by steering bearing 9, and pressure-resistant cabin 10 bottoms are connected and fixed steering axle 11.Be provided with a magnetic reed switch 12 in the pressure-resistant cabin 10, connect one two core watertight pressure-resistant cable 13 on the magnetic reed switch 12, two core watertight pressure-resistant cables 13 are drawn by the watertight interface 14 of pressure-resistant cabin 10 bottoms, and from fixing steering axle 11 inner with the current meter fixed support 15 inner cablings that are connected with fixing steering axle 11 bottoms, two lines that finally are connected to flow velocity (FBG) demodulator 16, two core watertight pressure-resistant cables 13 are connected flow rate regulation instrument 16 as signal input line respectively with output line.
Be provided with a direct current power supply 17 in the flow rate regulation instrument 16, the positive pole of direct supply 17 connects the signal input line of two core watertight pressure-resistant cables 13, the be connected in parallel ground wire of filter capacitor 18, pull-up resistor 19 and impulse meter 20 of negative pole, the positive electrode of filter capacitor 18 and pull-up resistor 19, and the common output line that connects two core watertight pressure-resistant cables 13 of the input end of impulse meter 20.
Flow-speed measurement method of the present invention is: current drive turbine 1 and rotate, turbine 1 rotates by the magnetic pole 5 that the rotating shaft 2 that is attached thereto and wheelwork 3 drive wheelworks 3 ends, produce the magnetic field that continues change direction at its surrounding space, continue the field drives magnetic reed switch 12 continual break-makes of change direction, positive electrode place at pull-up resistor 19 produces pulse signal, pulse signal input pulse counter 20 is counted, turbine 1 face turns over a week, drive twice of magnetic pole 5 magnetic direction conversion on every side, produce twice break-make of magnetic reed switch 12, positive electrode place at pull-up resistor 19 produces two high level pulse signals, twice of impulse meter 20 counting, numerical value increases by 2, thereby has realized the metering of flow velocity.The effect of filter capacitor 18 is for the positive electrode place that keeps pull-up resistor 19 produces pulse signal stably, and protection impulse meter 20 is normally counted.
In the foregoing description, horizontal steering linkage member 6, pressure-resistant cabin 10, fixedly steering axle 11, magnetic reed switch 12, watertight conductor interface 14 and current meter fixed support 15 etc. all need to carry out resistance to pressure and handle, to guarantee the compressive resistance requirement of its encapsulation.
In the foregoing description, magnetic reed switch 12 can adopt tongue (doing) reed pipe, also can adopt the Hall original paper, adopt the Hall original paper can satisfy the measurement demand of flow direction and flow velocity simultaneously, fixedly steering axle 11 and current meter fixed support 15 are the stationary installation of current meter, flexible configuration according to actual needs.
In the foregoing description, steering bearing 9, pressure-resistant cabin 10 and fixedly steering axle 11 etc. all adopt magnetic-permeable material to make.
Through overtesting, the present invention can satisfy the deep water applications demand, and its specific targets are as follows:
Measurement range: fluid-velocity survey 0.0001m/s～10m/s
Operating depth: be not less than 6000m
Pressure-resistant seal: the withstand voltage 60MPa that is not less than is good with watertight under the equal pressure
Measuring accuracy: ± 1.0%
Energy consumption: the power supply of 3.3V built-in lithium battery, electric current is not more than 1 μ A
Output signal: adopt the pulse work pattern, send a secondary data by assay intervals, two pulses of revolution, pulse output 0.00001～5000Hz can be provided with (passive optocoupler output) arbitrarily; Frequency output 1～1000Hz can be provided with arbitrarily.
Communication modes: RS-232
Flow sensor physical dimension: 39 * 390 (mm)
The various embodiments described above only are used to illustrate the present invention, and wherein the structure of each parts, connected mode etc. all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement all should not got rid of outside protection scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105934283A CN102128951A (en) | 2010-12-09 | 2010-12-09 | Deepwater magnetic-induction turbine universal current meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105934283A CN102128951A (en) | 2010-12-09 | 2010-12-09 | Deepwater magnetic-induction turbine universal current meter |
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| CN102128951A true CN102128951A (en) | 2011-07-20 |
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| CN2010105934283A Pending CN102128951A (en) | 2010-12-09 | 2010-12-09 | Deepwater magnetic-induction turbine universal current meter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547369A (en) * | 2016-01-14 | 2016-05-04 | 中国地质大学（武汉） | Single-hole device for measuring underground water flow velocity and flow direction |
| CN106895829A (en) * | 2017-02-23 | 2017-06-27 | 颜萍 | A kind of scenic area and scenic spot warning sign, caution system and scenic spot disaster decision method |
| CN108037312A (en) * | 2017-12-30 | 2018-05-15 | 石家庄铁道大学 | Flow rate of water flow flow direction sensor |
| CN111366746A (en) * | 2020-03-10 | 2020-07-03 | 珠江水文水资源勘测中心 | Method and device for measuring water flow speed and flow direction |
| CN113405534A (en) * | 2020-10-30 | 2021-09-17 | 曹庆 | Real-time rendering system for marine environment data |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5987368A (en) * | 1982-11-10 | 1984-05-19 | Oval Eng Co Ltd | Turbine meter |
| JPH08160063A (en) * | 1994-12-01 | 1996-06-21 | Yokogawa Uezatsuku Kk | Anemometer |
| CN2329950Y (en) * | 1998-04-30 | 1999-07-21 | 吴葆仁 | Three-core cable current meter with thermometer |
| CN2544285Y (en) * | 2002-06-12 | 2003-04-09 | 郗腾来 | Flow speed meter with signal generator |
| CN2565024Y (en) * | 2002-07-19 | 2003-08-06 | 水利部南京水利水文自动化研究所 | Starting rotating speed detector for propeller type current meter |
| JP2004069390A (en) * | 2002-08-02 | 2004-03-04 | Mitsubishi Heavy Ind Ltd | Method for measuring thrust of model stator fin |
| CN2852062Y (en) * | 2005-10-12 | 2006-12-27 | 西安兴仪科技股份有限公司 | Apparatus for real-time online measurement of water velocity and depth |
| CN201965147U (en) * | 2010-12-09 | 2011-09-07 | 中国海洋石油总公司 | Deepwater magnetic induction turbine universal flow velocity meter |
-
2010
- 2010-12-09 CN CN2010105934283A patent/CN102128951A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5987368A (en) * | 1982-11-10 | 1984-05-19 | Oval Eng Co Ltd | Turbine meter |
| JPH08160063A (en) * | 1994-12-01 | 1996-06-21 | Yokogawa Uezatsuku Kk | Anemometer |
| CN2329950Y (en) * | 1998-04-30 | 1999-07-21 | 吴葆仁 | Three-core cable current meter with thermometer |
| CN2544285Y (en) * | 2002-06-12 | 2003-04-09 | 郗腾来 | Flow speed meter with signal generator |
| CN2565024Y (en) * | 2002-07-19 | 2003-08-06 | 水利部南京水利水文自动化研究所 | Starting rotating speed detector for propeller type current meter |
| JP2004069390A (en) * | 2002-08-02 | 2004-03-04 | Mitsubishi Heavy Ind Ltd | Method for measuring thrust of model stator fin |
| CN2852062Y (en) * | 2005-10-12 | 2006-12-27 | 西安兴仪科技股份有限公司 | Apparatus for real-time online measurement of water velocity and depth |
| CN201965147U (en) * | 2010-12-09 | 2011-09-07 | 中国海洋石油总公司 | Deepwater magnetic induction turbine universal flow velocity meter |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547369A (en) * | 2016-01-14 | 2016-05-04 | 中国地质大学（武汉） | Single-hole device for measuring underground water flow velocity and flow direction |
| CN105547369B (en) * | 2016-01-14 | 2017-10-10 | 中国地质大学（武汉） | A kind of groundwater velocity and direction single hole measurement apparatus |
| CN106895829A (en) * | 2017-02-23 | 2017-06-27 | 颜萍 | A kind of scenic area and scenic spot warning sign, caution system and scenic spot disaster decision method |
| CN108037312A (en) * | 2017-12-30 | 2018-05-15 | 石家庄铁道大学 | Flow rate of water flow flow direction sensor |
| CN108037312B (en) * | 2017-12-30 | 2024-04-12 | 石家庄铁道大学 | Water flow velocity and direction sensor |
| CN111366746A (en) * | 2020-03-10 | 2020-07-03 | 珠江水文水资源勘测中心 | Method and device for measuring water flow speed and flow direction |
| CN113405534A (en) * | 2020-10-30 | 2021-09-17 | 曹庆 | Real-time rendering system for marine environment data |
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Application publication date: 20110720 |