CN109342012A - A kind of program-controlled turntable of seven-hole probe calibration - Google Patents
A kind of program-controlled turntable of seven-hole probe calibration Download PDFInfo
- Publication number
- CN109342012A CN109342012A CN201811424386.3A CN201811424386A CN109342012A CN 109342012 A CN109342012 A CN 109342012A CN 201811424386 A CN201811424386 A CN 201811424386A CN 109342012 A CN109342012 A CN 109342012A
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- CN
- China
- Prior art keywords
- probe
- driving device
- program
- bable tops
- supporting bable
- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
The present invention relates to a kind of seven-hole probes to calibrate program-controlled turntable, including supporting bable tops, probe clamp and turning table control mechanism, supporting bable tops tail portion is set to right angle fixed block, probe clamp is set on right angle fixed block, turning table control mechanism is set on supporting bable tops, and turning table control mechanism includes rotating horizontally driving device, vertical rotary driving device and angular displacement driving device.The present invention realizes the accurate alignment in the efficiently quick polarizers of big angle scope of seven-hole probe.
Description
Technical field
The invention belongs to the technical field of program-controlled measurement, in particular to a kind of seven-hole probe calibrates program-controlled turntable.
Background technique
Seven-hole probe is widely used in actual use as a kind of convenience, practical airflow field parameter measurement equipment.Seven
Hole probe depends on by pressure data obtained by end of probe the measurement of angle, pressure data treated dimensionless ginseng
Number --- sensitivity coefficient has corresponding functional relation with air-flow angle, and seven-hole probe can measure the big drift angle that air-flow drift angle is 78 °
Flowing, measuring accuracy is ± 1%, and the stagnation pressure of available space flow field point, static pressure.To improve measurement efficiency, utilize
Rake is made in more seven holes probes, can measure the aerodynamic parameter of the multiple points in space simultaneously.But its calibration accuracy directly influences most
The calibration of measurement accuracy when using eventually, seven-hole probe is carried out according to seven-hole probe calibration method, is needed in horizontal angular range-
It is carried out in 80 °~80 ° by certain angle stepping rotation, it is desirable that carry out more than 900 measurements, totally 900 multiple groups are as a result, more than 6300
The data of tape handling and calculating, heavy workload, according to the calibrating principle of seven-hole probe, the pressure data obtained using calibration process
420 calibration factors are calculated and are fitted, in traditional probe correction system, the variation of angle is by the angle being connected with probe
It spends mechanism to complete, realizes the variation of off-axis angle by horizontal positioned electrical turntable respectively, and be fixed on the electric rotating of probe tails
Platform realizes azimuthal variation.However, at the scene in use process, in order to guarantee that the probe for being mounted on measurement position can be realized
It accurately measures, it is desirable to be able in the installation site of probe, timely quickly be calibrated.Seven-hole probe calibrates program-controlled turntable
For the calibration efficiency for improving seven-hole probe, prover time is reduced, is realized quickly calibrated with great significance.
Summary of the invention
There is provided a kind of seven-hole probe calibration program-controlled turntable it is an object of the invention to demand in view of the above technology, angular displacement
Changeable mechanism has carried out innovation optimization design on realizing off-axis angle variation, carry out it still can after measurement position installation
The variation of collimation angle is realized and is used at the field calibration scene of installation site.
To achieve the goals above, special the present invention adopts the following technical scheme: a kind of seven-hole probe calibrates program-controlled turntable
Sign is: including supporting bable tops, probe clamp and turning table control mechanism, the supporting bable tops tail portion is set to right angle fixed block, institute
Probe clamp is stated on the right angle fixed block, the turning table control mechanism is set on supporting bable tops, turning table control mechanism packet
It includes and rotates horizontally driving device, vertical rotary driving device and angular displacement driving device.
According to the above scheme, the horizontal rotation driving device and vertical rotary driving device are electronically controlled rotary table, described
Angular displacement driving device is manual angle moving stage.
According to the above scheme, the supporting bable tops are equipped with guide rail, right angle fixed block bottom and the guide rail phase configuration,
It is translated along guide rail.
According to the above scheme, the probe clamp is T-type fixture, and T-type fixture and probe be connected by bearing, probe tails with
Stepper motor is connected by synchronous pulley.
The beneficial effects of the present invention are: 1, a kind of seven-hole probe be provided calibrate program-controlled turntable, for efficient quick wide-angle
Accurate alignment seven-hole probe in range improves working efficiency, and time of measuring is reduced to 1 working day from 10 working days, reduces
Labor intensity, reduces that artificial discontinuous acquisition measurement, artificial readout resolutions are low, the uncertainties such as big that manually adjust angular error
Factor to affect.
Detailed description of the invention
Fig. 1 is the side view of the seven-hole probe of one embodiment of the invention.
Fig. 2 is the front view of the seven-hole probe of one embodiment of the invention.
Fig. 3 is the distribution schematic diagram of one embodiment of the invention.
Specific embodiment
Embodiment of the present invention is illustrated now in conjunction with attached drawing, the present invention is not limited to the following examples.
As shown in Figure 1-Figure 3, a kind of seven-hole probe calibrates program-controlled turntable, including supporting bable tops, probe clamp 1 and turntable control
Mechanism processed, supporting bable tops tail portion are set to right angle fixed block, and probe clamp is set on right angle fixed block, and turning table control mechanism is set to branch
It supports on table top, turning table control mechanism includes rotating horizontally driving device, vertical rotary driving device and angular displacement driving device.
It rotates horizontally driving device and vertical rotary driving device is electronically controlled rotary table 2, angular displacement driving device is hand
Dynamic angular displacement platform 3.
Manual angle moving stage has carried out innovation optimization design on realizing off-axis angle variation, makes it after measurement position installation
Still the variation of collimation angle can be carried out, realizes and is used at the field calibration scene of installation site.
The programmable operations of diagonal displacement variation are realized using adaptive motion controller；Adaptive motion control for
Scheduled control program, planning instruction are transformed into desired mechanical movement, realize off-axis angle and pitch angle machine by complex condition
Tool moves Accurate Position Control, speed control, Acceleration Control, torque or the control of power.By the method for programming realize from
It is moved by a predetermined angle within the scope of -80 ° of shaft angle~80 °, pitch angle is transported by a predetermined angle within the scope of -30 °~30 °
It is dynamic.Adaptive motion controller makes the operating of motor become digital measuring angle control realization pair from traditional simulation measuring angle adjustment
The accurate control of movement and anti-interference.
Supporting bable tops are equipped with guide rail, right angle fixed block bottom and guide rail phase configuration, translate along guide rail.
Probe clamp is T-type fixture, and T-type fixture is connected with probe 4 by bearing, and probe tails and stepper motor pass through together
Step belt wheel is connected.Synchronizing wheel calibration clamp ensures that the shaft of stepper motor is parallel with holder axis, on stepping motor rotating shaft with spy
Aculeata is respectively equipped with a synchronizing wheel, guarantees two synchronizing wheel synchronous rotaries using synchronous belt, seven-hole probe screw when calibration
It is fastened with synchronizing wheel, to guarantee that stepper motor and seven-hole probe rotate synchronously.
Claims (4)
1. a kind of seven-hole probe calibrates program-controlled turntable, it is characterised in that: including supporting bable tops, probe clamp and turning table control machine
Structure, the supporting bable tops tail portion are set to right angle fixed block, and the probe clamp is set on the right angle fixed block, the turntable control
Mechanism processed is set on supporting bable tops, and turning table control mechanism includes rotating horizontally driving device, vertical rotary driving device and angle position
Move driving device.
2. a kind of seven-hole probe according to claim 1 calibrates program-controlled turntable, it is characterised in that the horizontal rotation driving
Device and vertical rotary driving device are electronically controlled rotary table, and the angular displacement driving device is manual angle moving stage.
3. a kind of seven-hole probe according to claim 1 calibrates program-controlled turntable, it is characterised in that set on the supporting bable tops
There are guide rail, right angle fixed block bottom and the guide rail phase configuration, is translated along guide rail.
4. a kind of seven-hole probe according to claim 1 calibrates program-controlled turntable, it is characterised in that the probe clamp is T-type
Fixture, T-type fixture and probe are connected by bearing, and probe tails and stepper motor are connected by synchronous pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811424386.3A CN109342012A (en) | 2018-11-27 | 2018-11-27 | A kind of program-controlled turntable of seven-hole probe calibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811424386.3A CN109342012A (en) | 2018-11-27 | 2018-11-27 | A kind of program-controlled turntable of seven-hole probe calibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109342012A true CN109342012A (en) | 2019-02-15 |
Family
ID=65318098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811424386.3A Pending CN109342012A (en) | 2018-11-27 | 2018-11-27 | A kind of program-controlled turntable of seven-hole probe calibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109342012A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110030186A (en) * | 2009-09-17 | 2011-03-23 | 군산대학교산학협력단 | Calibration system and calibration method of multi-hole pressure probe |
| WO2014036701A1 (en) * | 2012-09-06 | 2014-03-13 | Lu Ming | Tool for measuring pressure and speed of rotational flow field |
| CN108562420A (en) * | 2017-12-26 | 2018-09-21 | 北京航天益森风洞工程技术有限公司 | A kind of automatic calibration system and method for porous probe |
| CN108593964A (en) * | 2018-03-22 | 2018-09-28 | 中国科学院工程热物理研究所 | A kind of scaling method of seven apertures in the human head air-flow probe |
-
2018
- 2018-11-27 CN CN201811424386.3A patent/CN109342012A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110030186A (en) * | 2009-09-17 | 2011-03-23 | 군산대학교산학협력단 | Calibration system and calibration method of multi-hole pressure probe |
| WO2014036701A1 (en) * | 2012-09-06 | 2014-03-13 | Lu Ming | Tool for measuring pressure and speed of rotational flow field |
| CN108562420A (en) * | 2017-12-26 | 2018-09-21 | 北京航天益森风洞工程技术有限公司 | A kind of automatic calibration system and method for porous probe |
| CN108593964A (en) * | 2018-03-22 | 2018-09-28 | 中国科学院工程热物理研究所 | A kind of scaling method of seven apertures in the human head air-flow probe |
Non-Patent Citations (3)
| Title |
|---|
| QQ36296518: "探针测量校准系统机械结构设计", 《原创力文档HTTPS://MAX.BOOK118.COM/HTML/2014/0704/8963808.SHTM》 * |
| 李彦 等: "七孔探针三维自动测速系统", 《实验技术与管理》 * |
| 章鹏 等: "多通道七孔探针测速系统研究", 《电子测量技术》 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190215 |
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| RJ01 | Rejection of invention patent application after publication |