CN202145159U - Continuous wave signal generator wind tunnel simulation experimental apparatus - Google Patents
Continuous wave signal generator wind tunnel simulation experimental apparatus Download PDFInfo
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- CN202145159U CN202145159U CN201120235402U CN201120235402U CN202145159U CN 202145159 U CN202145159 U CN 202145159U CN 201120235402 U CN201120235402 U CN 201120235402U CN 201120235402 U CN201120235402 U CN 201120235402U CN 202145159 U CN202145159 U CN 202145159U
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Abstract
The utility model relates to a continuous wave signal generator wind tunnel simulation experimental apparatus, comprising a power system assembly, a power end fixing system, a signal generation experimental section, a data collecting and processing system, an installation positioning member, a tail gas export end and a slide fixing device, wherein the lower end of the power system assembly is provided with the power end fixing system, the lower end of the tail gas export end is provided with the slide fixing device, both ends of the signal generation experimental section are respectively connected with the power system assembly and the tail gas export end to form an experimental passage, and the gas pressure in the signal generation experimental section is transmitted to the data collecting and processing system through an upper-end measuring hole. The beneficial effects of the utility model are that the continuous wave signal generator wind tunnel simulation experimental apparatus can be used for simulating the process of the design and control of a downhole signal generator, and enables the design and experiment period to be shortened and the experiment cost to be saved.
Description
Technical field:
The utility model relates to a kind of experimental provision that is used for the generation and the detection of continuous wave signal under the simulation well, particularly a kind of continuous wave signnal generator wind tunnel simulation experiment device.
Background technology:
Measurement while drilling is the new logging technology that development in recent years is got up; At present; Mud continuous wave data transfer mode is being represented the developing direction of wireless drilling measuring technique, and the structural design of continuous wave signnal generator and control are the cores of whole measurement-while-drilling system design.To the signal generator design and control that is operated in the down-hole, because its residing special operation condition environment, carry out that the down-hole experimental cost is high, the cycle is long, and restricted by multiple factor.
Summary of the invention:
The purpose of the utility model is exactly the above-mentioned defective that exists to prior art, and a kind of continuous wave signnal generator wind tunnel simulation experiment device is provided, thereby shortens design and experimental period, practices thrift experimental cost.
Its technical scheme is: comprise power system component, power end fixed system, signal generation experimental section, data acquisition and processing (DAP) system, installing and locating part, tail gas derivation end and slip stationary installation; The lower end of power system component is provided with the power end fixed system, and the lower end that tail gas is derived end is provided with the slip stationary installation; The two ends of described signal generation experimental section connect power system component and tail gas respectively derives end, constitutes the experiment path, and the measured hole through the upper end is sent to the data acquisition and processing (DAP) system with the gaseous tension in the signal generation experimental section.
Above-mentioned signal generation experimental section comprises rotary valve, stationary installation, power transmission shaft and the direct current generator of experimental section shell body, signal generator, and the outer end of described experimental section shell body connects with wind-tunnel; The rotary valve of signal generator comprises signal generator rotor and stator, stationary installation fixed signal generator rotor; Direct current generator drives the rotor rotation through power transmission shaft.
Above-mentioned experimental section shell body is divided into three sections, connects with bolt between every section.
Motor is controlled the rotor rotation in the rotary valve through gearing.All have through hole on rotor and the stator, in the process of rotor rotation, the rotary valve mouth to minimum flow area, and then changes to the maximum flow area from minimum flow area from the maximum flow area change.When the rotary valve circulation area increased, gas flow was unimpeded, and pressure reduces; When circulation area reduced, gas flow was obstructed, and pressure increases.In the rotor rotation process, cutting fluid between rotor and the stator produces different pressure differentials, thereby has produced Pressure Fluctuation Signal.So, control the rotational speed of motor according to certain rules, will produce the Pressure Fluctuation Signal of certain rule.
The beneficial effect of the utility model is: the design and the control procedure of signal generator under can simulation well, thus shorten design and experimental period, practice thrift experimental cost.
Description of drawings:
Accompanying drawing 1 is the structural representation of the utility model;
Accompanying drawing 2 is structural drawing of the signal generation experimental section of the utility model;
Among the last figure: power system component (1), power end fixed system (2), signal generation experimental section (3), data acquisition and processing (DAP) system (4), installing and locating part (5), tail gas are derived end (6) and slip stationary installation (7);
Experimental section shell body (3.1), bolt (3.2,3.3), signal generator rotor (3.4), stator (3.5), stationary installation (3.6), power transmission shaft (3.7) and direct current generator (3.8).
Embodiment:
In conjunction with accompanying drawing 1-2, the utility model is done further to describe:
The utility model comprises power system component 1, power end fixed system 2, signal generation experimental section 3, data acquisition and processing (DAP) system 4, installing and locating part 5, tail gas derivation end 6 and slip stationary installation 7; The lower end of power system component 1 is provided with power end fixed system 2, and the lower end that tail gas is derived end 6 is provided with slip stationary installation 7; The two ends of described signal generation experimental section 3 connect power system component 1 respectively derives end 6 with tail gas, constitutes the experiment path, and the measured hole through the upper end is sent to data acquisition and processing (DAP) system 4 with the gaseous tension in the signal generation experimental section 3.
Above-mentioned signal generation experimental section 3 comprises rotary valve, stationary installation 3.6, power transmission shaft 3.7 and the direct current generator 3.8 of experimental section shell body 3.1, signal generator, and the outer end of described experimental section shell body 3.1 connects with wind-tunnel; The rotary valve of signal generator comprises signal generator rotor 3.4 and stator 3.5, and stationary installation 3.6 fixed signal generator rotors 3.4 guarantee that rotor can not move forward and backward; Direct current generator 3.8 drives rotor 3.4 rotations through power transmission shaft 3.7.
Assembling for ease, experimental section shell body 3.1 is divided into three sections, connects with bolt between every section.
Because of the diameter of test chamber and contraction section outlet differs too big, for avoiding sudden change, make the air-flow smooth transition to experimental section, adopted the secondary contraction during contrived experiment section, prevent that eddy current from producing.Equally, the junction of the diffuser of wind-tunnel and experimental section also will seamlessly transit.In addition, should keep one section long distance between experimental section reducing and the rotary valve, also be in order further to reduce the eddy current at rotary valve place.
On shell wall, have 12 unthreaded holes, wherein 8 of the left side unthreaded holes are used for the gaging pressure ripple; 3 unthreaded holes of top right-hand side are used for the pressure changing of detection signal generator back; The unthreaded hole on limit, bottom right is the motor down-lead hole.
Direct current generator 3.8 drives rotor 3.4 rotations through power transmission shaft 3.7; All have through hole on rotor and the stator; In the process of rotor rotation, the rotary valve mouth to minimum flow area, and then changes to the maximum flow area from minimum flow area from the maximum flow area change.When the rotary valve circulation area increased, gas flow was unimpeded, and pressure reduces; When circulation area reduced, gas flow was obstructed, and pressure increases.In the rotor rotation process, cutting fluid between rotor and the stator produces different pressure differentials, thereby has produced Pressure Fluctuation Signal.So, control the rotational speed of motor according to certain rules, will produce the Pressure Fluctuation Signal of certain rule.
Shell body has high corrosion resistance and high rigidity, and its material can be selected PVC section bar or steel material for use.
Claims (3)
1. a continuous wave signnal generator wind tunnel simulation experiment device is characterized in that: comprise power system component (1), power end fixed system (2), signal generation experimental section (3), data acquisition and processing (DAP) system (4), installing and locating part (5), tail gas derivation end (6) and slip stationary installation (7); The lower end of power system component (1) is provided with power end fixed system (2), and the lower end that tail gas is derived end (6) is provided with slip stationary installation (7); The two ends of described signal generation experimental section (3) connect power system component (1) respectively and tail gas is derived end (6); Constitute the experiment path, the measured hole through the upper end is sent to data acquisition and processing (DAP) system (4) with the gaseous tension in the signal generation experimental section (3).
2. continuous wave signnal generator wind tunnel simulation experiment device according to claim 1; It is characterized in that: described signal generation experimental section (3) comprises rotary valve, stationary installation (3.6), power transmission shaft (3.7) and the direct current generator (3.8) of experimental section shell body (3.1), signal generator, and the outer end of described experimental section shell body (3.1) connects with wind-tunnel; The rotary valve of signal generator comprises signal generator rotor (3.4) and stator (3.5), stationary installation (3.6) fixed signal generator rotor (3.4); Direct current generator (3.8) drives rotor (3.4) rotation through power transmission shaft (3.7).
3. continuous wave signnal generator wind tunnel simulation experiment device according to claim 2 is characterized in that: described experimental section shell body (3.1) is divided into three sections, connects with bolt between every section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120235402U CN202145159U (en) | 2011-07-06 | 2011-07-06 | Continuous wave signal generator wind tunnel simulation experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120235402U CN202145159U (en) | 2011-07-06 | 2011-07-06 | Continuous wave signal generator wind tunnel simulation experimental apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202145159U true CN202145159U (en) | 2012-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120235402U Expired - Fee Related CN202145159U (en) | 2011-07-06 | 2011-07-06 | Continuous wave signal generator wind tunnel simulation experimental apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN202145159U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675053A (en) * | 2016-01-21 | 2016-06-15 | 中国石油大学(北京) | Simulated tester for valve port characteristic, generating continuous waves, of signal generator |
| CN106644351A (en) * | 2015-10-30 | 2017-05-10 | 中石化石油工程技术服务有限公司 | Continuous wave pulse generator wind tunnel experiment device |
| CN115290284A (en) * | 2022-07-28 | 2022-11-04 | 中国石油天然气集团有限公司 | High-transmission-rate continuous wave pulse generator experimental device and experimental method |
-
2011
- 2011-07-06 CN CN201120235402U patent/CN202145159U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644351A (en) * | 2015-10-30 | 2017-05-10 | 中石化石油工程技术服务有限公司 | Continuous wave pulse generator wind tunnel experiment device |
| CN105675053A (en) * | 2016-01-21 | 2016-06-15 | 中国石油大学(北京) | Simulated tester for valve port characteristic, generating continuous waves, of signal generator |
| CN105675053B (en) * | 2016-01-21 | 2018-03-13 | 中国石油大学(北京) | One kind produces continuous wave signnal generator valve port characteristic simulation test device |
| CN115290284A (en) * | 2022-07-28 | 2022-11-04 | 中国石油天然气集团有限公司 | High-transmission-rate continuous wave pulse generator experimental device and experimental method |
| CN115290284B (en) * | 2022-07-28 | 2024-05-28 | 中国石油天然气集团有限公司 | Experimental device and experimental method for high-transmission-rate continuous wave pulse generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120215 Termination date: 20120706 |