CN209727327U - The pressurizer of model surface pressure tap in a kind of test of wind tunnel pressure measuring - Google Patents
The pressurizer of model surface pressure tap in a kind of test of wind tunnel pressure measuring Download PDFInfo
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- CN209727327U CN209727327U CN201920814183.9U CN201920814183U CN209727327U CN 209727327 U CN209727327 U CN 209727327U CN 201920814183 U CN201920814183 U CN 201920814183U CN 209727327 U CN209727327 U CN 209727327U
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- pressure
- push type
- pipeline
- pressurizer
- biased switch
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Abstract
This application discloses the pressurizers of model surface pressure tap in a kind of test of wind tunnel pressure measuring, are able to achieve the quick detection for pressure-measuring pipe road, shorten 50 ~ 70% or more detection time, detection efficiency is substantially improved.The pressurizer includes supportive body, push type biased switch, the normal pressure entrance pipe for being connected with normal pressure gas circuit, transparent hose pressure pipeline, pressure-detecting device, signal piping, and the push type biased switch is connected with supportive body and supportive body can provide support for push type biased switch.The application provides a kind of completely new pressurizer, is able to achieve the quick detection to model surface pressure tap in wind tunnel pressure measuring test.The application is skillfully constructed, and design rationally, effectively breaches traditional pressure-measuring pipe road pressure detection method, simplifies pipeline and look for operation, working efficiency is substantially improved；Meanwhile using the application, is detected based on single, the measurement to pressure tap to all connecting lines of mould impression can be completed, further shorten testing process.
Description
Technical field
The present invention relates to aerospace industry aerodynamics wind tunnel test field, in specially a kind of wind tunnel pressure measuring test
The pressurizer of model surface pressure tap.The application provides a kind of pressurization inspection test work of model surface pressure tap in wind tunnel test
Tool and its application, can quickly and accurately realize the detection to pressure tap, and detection efficiency is substantially improved, and shorten the test period.
Background technique
In wind tunnel test, having an important experimental technique is exactly to accurately measure the pressure of test model surface flow,
Measuring method is as follows: need to measure the pressure tap of place processing Ф 0.3mm~Ф 0.7mm of pressure on test model surface, it will
These pressure taps are reliably connected with pressure measuring device, and when test accurately measures the pressure of each pressure tap.Pressure is surveyed on model
When hole is connect with measuring device, it is necessary to by the gas circuit wire casing that the switching of multiple link gas circuits and space are very narrow, add
Up to hundreds and thousands of, pressure-measuring pipe road and criss-cross, therefore, surveying pressure gas channel usually can be because of gas-path leakage, blocking and compressing etc.
It causes stress conduction to be obstructed, so that the precision of model surface pressure measurement declines.For this purpose, before the test, needing to upper
Thousand criss-cross pressure-measuring pipe roads carry out pressurization inspection, first is that checking the corresponding relationship of pressure tap and measuring device；Second is that inspection
Look into the reliability for surveying the pressure conduction of pressure gas channel.
Traditional inspection method be first pass through pressure tap position or pipeline number find respective line, disconnect, connect
Enter normal pressure gas circuit, it is smooth to check whether subsequent gas circuit seals, whether pipeline corresponding relationship is accurate.After inspection, then restore this
Piping connection.It moves in circles, until so pipeline inspection finishes.
However, there are following two disadvantages for traditional pressure-measuring pipe road pressure detection method:
1) it needs to ransack pipeline in the pipeline for disorderly entering ox hair, and plug and switch over operation, working efficiency is carried out to pipeline
It is low, and be easy to again result in circuit failure；
2) the method is only capable of checking the gas circuit state from converting interface to pressure instrumentataion section, and can not check model surface
Pipeline state to converting interface.
For this purpose, there is an urgent need to a kind of new methods and/or device, to solve the above problems.
Summary of the invention
Goal of the invention of the invention is, provides a kind of pressurizer of model surface pressure tap in wind tunnel pressure measuring test,
It is able to achieve the quick detection for pressure-measuring pipe road, shortens 50 ~ 70% or more detection time, detection efficiency is substantially improved.The application's
One of goal of the invention is, provides a kind of completely new pressurizer, is able to achieve to model surface pressure tap in wind tunnel pressure measuring test
Quick detection；The present invention second purpose is, provides application of the pressurizer in the detection of surface pressure tap, energy
In the pressure tap on standard testing pressure is accurate, convenient and fast injection model surface, the convenient whole to each pressure tap is connected
Gas circuit is quickly checked.The application is skillfully constructed, and design rationally, effectively breaches traditional pressure-measuring pipe road pressure detecting side
Method simplifies pipeline and looks for operation, working efficiency is substantially improved；Meanwhile using the application, is detected, be can be completed based on single
To pressure tap to the measurement of all connecting lines of mould impression, further shorten testing process.
To achieve the goals above, the present invention adopts the following technical scheme:
The pressurizer of model surface pressure tap in a kind of test of wind tunnel pressure measuring, including supportive body, push type biased switch,
Normal pressure entrance pipe, transparent hose pressure pipeline, pressure-detecting device, detection pipe for being connected with normal pressure gas circuit
Road, the push type biased switch is connected with supportive body and supportive body can provide support for push type biased switch；
One end of the push type biased switch is connected with normal pressure entrance pipe, the push type biased switch it is another
One end is connected with transparent hose pressure pipeline and the gas in normal pressure gas circuit can be successively through normal pressure entrance pipe, pressing
Formula biased switch enters in transparent hose pressure pipeline；
The pressure-detecting device is connected by signal piping with transparent hose pressure pipeline and pressure-detecting device can be examined
Survey the pressure in transparent hose pressure pipeline.
The supportive body designs handle for anthroposomatology and supportive body can provide support for user.
The supportive body is one of sphere, ellipsoid.
The pressure-detecting device is pressure gauge.
The pressure-detecting device is arranged on supportive body.
It uses and is detachably connected between the transparent hose pressure pipeline and push type biased switch.
The transparent hose pressure pipeline is tapered and the lesser one end of transparent hose pressure pipeline opening is used for and model
Surface pressure tap is connected.
The transparent hose pressure pipeline is made of transparent material.
The one end being connected on push type biased switch with transparent hose pressure pipeline is denoted as output end, the push type adds
The output end and push type biased switch to compress switch is located on same axis.
Application of the aforementioned pressurizer in the inspection of wind tunnel model surface pressure tap.
Include the following steps:
(1) model is set, exposes pressure tap to be determined；Standard pressure generator is mixed up, the standard pressure generator is for exporting
One is lower than the normal pressure of pressure measuring system measuring range, and passes through a gas circuit for the normal pressure of standard pressure generator and pressurizer
Entrance pipe is connected；
(2) according to the size of model surface pressure tap, corresponding transparent hose pressure pipeline is selected, and transparent hose is added
Pressure pipe road is connected with the push type biased switch of pressurizer；
(3) position for adjusting supportive body, by transparent hose pressure pipeline Alignment model surface pressure tap；
(4) pressurizer is compressed, and external force is applied to push type biased switch, push type biased switch is opened, observes pressure
Detection device, when pressure-detecting device is stablized, pressure measuring system measures the pressure of the pressure tap；After the completion of to be determined, release is pressed
Pressure type biased switch；
(5) pressure measuring system selects out pressure point according to the measurement result of step 4, verifies the state and connection of pipeline；
(6) applied voltage test for continuing next point, the test until completing all pressure taps.
In the step 4, the supportive body of pressurizer is compressed, push type biased switch is pressed, so that push type
Biased switch is opened.
For foregoing problems, the application provides the pressurizer of model surface pressure tap in a kind of test of wind tunnel pressure measuring.This Shen
Pressurization measurement of the pressurizer please for model surface pressure tap in wind tunnel pressure measuring test comprising supportive body, push type add
It compresses switch, normal pressure entrance pipe, transparent hose pressure pipeline, pressure-detecting device, signal piping.Wherein, push type adds
The one end to compress switch is connected with normal pressure entrance pipe, the other end and the transparent hose pressure pipeline phase of push type biased switch
Even；Based on the structure, the gas in normal pressure gas circuit is successively after normal pressure entrance pipe, push type biased switch, energy
Into in transparent hose pressure pipeline.Meanwhile pressure-detecting device is connected by signal piping with transparent hose pressure pipeline, is led to
Over-voltage force checking device detects the pressure in transparent hose pressure pipeline.
In the application, for being connected with normal pressure gas circuit, normal pressure entrance pipe can lead to normal pressure entrance pipe
The equipment such as air circuit connection standard pressure generator, such as RUSKA are crossed, and normal pressure is accessed into pressurizer.In a specific example,
Anthroposomatology design handle can be used in supportive body, using the cylindrical design convenient for holding, and normal pressure is respectively set wherein
(push type biased switch is connected with supportive body, can be push type by supportive body for entrance pipe and push type biased switch
Biased switch provides support), pressurization mouth, which is firmly compressed, convenient for staff when pressurization seals gas circuit.
The switch of the application is had to using push type biased switch, and when its pressing, pressure piping is connected；When release,
Pressure piping is closed；Using the structure, pressure piping when can guarantee compression in pressurizer is connected to, transparent hose pressure pipeline
Pressurization mouth is also sealed because of compression simultaneously；And when unclamping, pressure piping is closed immediately, guarantees that pressure does not leak.In addition, the application
Transparent hose pressure pipeline be made of transparent material, both facilitated operator to observe and covered entire pressure tap, and hose
The leakproofness of gas circuit when compressing can be effectively ensured.
Further, the push type biased switch of the application pressurizer and the connecting pin of transparent hose pressure pipeline and transparent soft
Pipe pressure pipeline is maintained on coaxial line, this is completed at the same time push switch and compression gas circuit, effectively simplifies operation stream
Journey.
Further, the pressure-detecting device of the application uses pressure gauge；Transparent hose pressure pipeline is opened with push type pressurization
It uses and is detachably connected between pass.Further, the outlet end of transparent hose pressure pipeline is tapered, and transparent hose pressure pipeline
Lesser one end be open for being connected with model surface pressure tap.
The pressurizer of the application is the normal pressure inlet tube that the normal pressure of standard pressure generator output is connected to pressurizer
Handle (supportive body i.e. in pressurizer) is designed by anthroposomatology in road, pressure is transmitted push type biased switch, and by pressing
The control of pressure type biased switch pressed and unclamped (when push type biased switch is pressed, that is, realizes push type biased switch
It opens；When push type biased switch unclamps, push type biased switch can be closed), normal pressure is respectively sent to by control
Air gauge and transparent hose pressure pipeline, air gauge show that reference pressure value, transparent hose pressure pipeline fill normal pressure
Enter in the pressure tap of model surface.The coordination of the pressurizer small volume and less weight of the application, design with the pressurization of switch is unified, behaviour
Make simple and flexible, quickly pressure tap to pressure measuring model surface can pressurize and check, detection is accurate and reliable.
Further, application of the aforementioned pressurizer in the inspection of wind tunnel model surface pressure tap, tool is claimed in the application
Body process is as follows:
(1) pressure model aircraft will be surveyed to set, exposes pressure tap, mix up standard pressure generator, output one is lower than pressure measuring system
The normal pressure of measuring range, and normal pressure is connected to using a gas circuit normal pressure entrance pipe of the pressurizer；
(2) according to the size of pressure tap on model surface, the transparent hose pressure pipeline of suitable bore is selected, is connected to and adds
On the push type biased switch of depressor；
(3) hand holds anthroposomatology design handle, and by the pressure tap on transparent hose pressure pipeline Alignment model surface, the centre of the palm is light
Push type biased switch under flicking, and pressurizer is compressed, air gauge is observed, when air pressures meter pressure being waited to stablize, pressure measuring system measurement
The pressure of the pressure tap, release handle disconnect pressurizer air circuit breaker, prevent normal pressure from leaking；
(4) measuring system program selects out pressure point according to measurement result just now, verifies state and the company of added pipeline
Connect situation；
(5) aforementioned process is repeated, continues the applied voltage test of next point, until testing whole pressure taps.
In conclusion the application provides a kind of completely new pressurizer and its application, it can effectively simplify pipeline and look for work,
Working efficiency is substantially improved.Using the application, can standard testing pressure is accurate, convenient and fast injection model surface pressure tap
In, convenient whole connection gas circuits to each pressure tap are quickly checked.In addition, detected using the application based on single,
The pipeline measurement to pressure tap to model surface can be completed, further shorten testing process.The application is skillfully constructed, and design is closed
Reason, structure is simple, easy to use, high-efficient, and inspection efficiency can be substantially improved, and shortens detection cycle, application with higher
Value and preferable application prospect.
Detailed description of the invention
Examples of the present invention will be described by way of reference to the accompanying drawings, in which:
Fig. 1 is the structure diagram of pressurizer in embodiment 1.
Marked in the figure: 1, normal pressure entrance pipe, 2, anthroposomatology design handle, 3, push type biased switch, 4, air pressure
Table, 5, air gauge gas circuit, 6, transparent hose pressure pipeline.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification unless specifically stated can be equivalent or with similar purpose by other
Alternative features are replaced.That is, unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
.
Embodiment 1
As shown, the pressurizer of the present embodiment includes supportive body, push type biased switch, is used for and normal pressure gas
The connected normal pressure entrance pipe in road, transparent hose pressure pipeline, pressure-detecting device, signal piping.Wherein, push type adds
It compresses switch and is connected with supportive body；One end of push type biased switch is connected with normal pressure entrance pipe, and push type pressurization is opened
The other end of pass is connected with transparent hose pressure pipeline；Pressure-detecting device passes through signal piping and transparent hose pressure pipeline phase
Even.In the structure, supportive body is used to provide support for push type biased switch, is also convenient for firmly compressing when staff's pressurization
Transparent hose pressure pipeline；Gas in normal pressure gas circuit can successively through normal pressure entrance pipe, push type biased switch,
Into in transparent hose pressure pipeline；And pressure-detecting device can then detect the pressure in transparent hose pressure pipeline.
In the present embodiment, anthroposomatology design handle is can be used in supportive body, and the cylindrical design convenient for holding can be used, in
Between position processing pressure pipeline (i.e. push type biased switch and normal pressure entrance pipe constitute pressure pipeline), in order to add
Staff exerts oneself to compress the pressurization mouth of push type biased switch when pressure, so that gas circuit seals.Normal pressure entrance pipe
Pressurizer can be accessed by equipment such as air circuit connection standard pressure generators, such as RUSKA, and by normal pressure.When push type pressurizes
When switch is pressed, pressure piping is connected；When release, pressure piping is closed；Using the structure, pressure when compression can be effectively ensured
Pipeline connection, the pressurization mouth of transparent hose pressure pipeline are also sealed because of compression simultaneously, and when unclamping, pressure piping closes immediately
It closes, guarantees that pressure does not leak.In the present embodiment, transparent hose pressure pipeline is made of transparent material, on the one hand facilitates operation
Personnel observe and cover entire pressure tap；On the other hand, the leakproofness of gas circuit when then ensure that compression using hose.The present embodiment
In, pressure-detecting device uses pressure gauge, and signal piping is air gauge gas circuit, and transparent hose pressure pipeline is opened with push type pressurization
It uses and is detachably connected between pass.
Further, the one end being connected on push type biased switch with transparent hose pressure pipeline is denoted as output end, pressed
The output end and push type biased switch of formula biased switch are located on same axis.Which is used, so that push switch and pressure
Tight gas circuit can be completed at the same time.
The normal pressure that standard pressure generator exports is connected to the normal pressure entrance of the pressurizer by the pressurizer of the present embodiment
Pipeline designs handle by anthroposomatology, and pressure is sent to air gauge gas circuit, and pressing and (opening) by push type biased switch
With the control of release (pass), normal pressure is respectively sent to air gauge and transparent hose pressure pipeline by control, and air gauge is shown
Reference pressure value out, transparent hose pressure pipeline pour into normal pressure in the pressure tap of model surface.In short, the present embodiment
Pressurizer first pass through normal pressure entrance pipe and open the push type pressurization that the pressure of standard introduces in anthroposomatology design handle
The Central Shanxi Plain, then conducted normal pressure to transparent hose pressure pipeline by the opening of push type biased switch, and pass through air gauge
The conduction of gas circuit shows atmospheric pressure value on air gauge.
Further, the pressurized operation process of pressurizer progress wind tunnel model surface pressure tap is as follows:
(1) pressure model aircraft will be surveyed to set, exposes pressure tap, mix up standard pressure generator, output one is lower than pressure measuring system
The normal pressure of measuring range, and normal pressure is connected to using a gas circuit normal pressure entrance pipe of the pressurizer；
(2) according to the size of pressure tap on model surface, the transparent hose pressure pipeline of suitable bore is selected, is connected to and adds
On the push type biased switch of depressor；
(3) hand holds anthroposomatology design handle, and by the pressure tap on transparent hose pressure pipeline Alignment model surface, the centre of the palm is light
Push type biased switch under flicking, and pressurizer is compressed, air gauge is observed, when air pressures meter pressure being waited to stablize, pressure measuring system measurement
The pressure of the pressure tap, release handle disconnect pressurizer air circuit breaker, prevent normal pressure from leaking；
(4) measuring system program selects out pressure point according to measurement result just now, verifies state and the company of added pipeline
Connect situation；
(5) aforementioned process is repeated, continues the applied voltage test of next point, until testing whole pressure taps.
The coordination of the pressurizer small volume and less weight of the present embodiment, design with the pressurization of switch is unified, easy to operate flexible.
It is verified through practical application, the pressure tap pressurization inspection that the pressurizer of the present embodiment can quickly to pressure measuring model surface, detection is quasi-
It is really reliable, it effectively shortens 50 ~ 70% or more detection time, detection efficiency is substantially improved.
Above-mentioned embodiment only illustrates to attached drawing, is not intended to limit the present invention, any real based on above-mentioned implementation
The equivalent situation of example, should all be within scope of patent protection of the invention.The present invention expands to any to be disclosed in the present specification
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (9)
1. the pressurizer of model surface pressure tap in a kind of wind tunnel pressure measuring test, which is characterized in that including supportive body, push type
Biased switch, the normal pressure entrance pipe for being connected with normal pressure gas circuit, transparent hose pressure pipeline, pressure detecting dress
It sets, signal piping, the push type biased switch is connected with supportive body and supportive body can provide for push type biased switch
Support；
One end of the push type biased switch is connected with normal pressure entrance pipe, the other end of the push type biased switch
It is connected with transparent hose pressure pipeline and the gas in normal pressure gas circuit can successively adds through normal pressure entrance pipe, push type
It compresses switch and enters in transparent hose pressure pipeline；
The pressure-detecting device is connected by signal piping with transparent hose pressure pipeline and pressure-detecting device can detect
Pressure in bright hose pressure pipeline.
2. pressurizer according to claim 1, which is characterized in that the supportive body designs handle and support for anthroposomatology
Main body can provide support for user.
3. pressurizer according to claim 2, which is characterized in that the supportive body is one of sphere, ellipsoid.
4. pressurizer according to claim 1, which is characterized in that the pressure-detecting device is pressure gauge.
5. pressurizer according to claim 4, which is characterized in that the pressure-detecting device is arranged on supportive body.
6. pressurizer according to claim 1, which is characterized in that the transparent hose pressure pipeline is opened with push type pressurization
It uses and is detachably connected between pass.
7. described in any item pressurizers according to claim 1 ~ 6, which is characterized in that the transparent hose pressure pipeline is tapered
And transparent hose pressure pipeline is open lesser one end for being connected with model surface pressure tap.
8. pressurizer according to claim 1, which is characterized in that the transparent hose pressure pipeline uses transparent material system
At.
9. pressurizer according to claim 1, which is characterized in that by push type biased switch with transparent hose forcing pipe
The connected one end in road is denoted as output end, and the output end and push type biased switch of the push type biased switch are located at same axis
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920814183.9U CN209727327U (en) | 2019-05-31 | 2019-05-31 | The pressurizer of model surface pressure tap in a kind of test of wind tunnel pressure measuring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920814183.9U CN209727327U (en) | 2019-05-31 | 2019-05-31 | The pressurizer of model surface pressure tap in a kind of test of wind tunnel pressure measuring |
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| Publication Number | Publication Date |
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| CN209727327U true CN209727327U (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920814183.9U Expired - Fee Related CN209727327U (en) | 2019-05-31 | 2019-05-31 | The pressurizer of model surface pressure tap in a kind of test of wind tunnel pressure measuring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044540A (en) * | 2019-05-31 | 2019-07-23 | 中国空气动力研究与发展中心高速空气动力研究所 | The pressurizer of model surface pressure tap and its application in a kind of test of wind tunnel pressure measuring |
-
2019
- 2019-05-31 CN CN201920814183.9U patent/CN209727327U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044540A (en) * | 2019-05-31 | 2019-07-23 | 中国空气动力研究与发展中心高速空气动力研究所 | The pressurizer of model surface pressure tap and its application in a kind of test of wind tunnel pressure measuring |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 |