CN207964240U - A kind of wireless pressure tester for high-speed wind tunnel rotating model - Google Patents
A kind of wireless pressure tester for high-speed wind tunnel rotating model Download PDFInfo
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- CN207964240U CN207964240U CN201820095256.9U CN201820095256U CN207964240U CN 207964240 U CN207964240 U CN 207964240U CN 201820095256 U CN201820095256 U CN 201820095256U CN 207964240 U CN207964240 U CN 207964240U
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- 230000008054 signal transmission Effects 0.000 claims abstract description 16
- 238000013500 data storage Methods 0.000 claims abstract description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract description 3
- 238000000418 atomic force spectrum Methods 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The utility model discloses a kind of wireless pressure tester for high-speed wind tunnel rotating model, device includes pressure measuring module, power supply module and nulling switch.When carrying out model test in high-speed wind tunnel, pressure measuring module, power supply module and signal receiving module are fixed on inside rotating model, open module switch, by being connected with the control computer of wireless signal transmitting device, acquisition instructions are sent to measurement module；After completing experiment, END instruction is sent again, and after receiving END instruction, the collected pressure data of institute can be automatically saved in mould data storage in the block.The device and method of the utility model solve the difficulty of rotating model relevant data acquisition in high wind tunnel testing, it is connected instead of the wireline physical between control device and measuring apparatus using wireless signal transmission techniques, greatly simplifie measuring system, save test space, and comprehensive performance is more stablized, application prospect is very extensive.
Description
Technical field
The utility model belongs to high wind tunnel testing equipment technical field, specifically a kind of to be used for high-speed wind tunnel rotating model
Wireless pressure tester.
Background technology
With the development of Modern High-Speed opportunity of combat and tactical missile, related high wind tunnel testing seems more indispensable,
The especially high wind tunnel testing in relation to tactical missile.Due to factors such as aerodynamic arrangements, most of tactical missile is in practical flight
It is to be rotated around from body axis in the process, it is general to use in order to restore the actual flight state of guided missile as far as possible in wind tunnel test
The body model of rotation carries out related experiment.But for rotating model, in experiment the measurement in relation to physical quantity become very tired
Difficulty, also, entire experimental section is in closed state to high-speed wind tunnel in the process of running, and conventional measuring methods are no longer applicable in.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of wireless pressure measurement dresses for high-speed wind tunnel rotating model
It sets, which can accurately measure the surface pressing situation of change of high wind tunnel testing rotating model.
For achieving the above object, the utility model uses following technical scheme：
A kind of wireless pressure tester for high-speed wind tunnel rotating model, including measuring unit and control unit, the survey
Amount unit and control unit are communicated by wireless signal transmission, and the measuring unit is mounted on inside rotating model；It is described
Measuring unit includes pressure measuring module, power supply module and nulling switch；Described control unit includes computer.
Further, the pressure measuring module includes pressure sensor, operation electronic component and data storage；
The pressure sensor is connect with the pressure tap on rotating model surface.Pressure sensor range is larger, is suitable for high-speed wind tunnel and tries
It tests.
Further, the wireless signal transmission includes reception of wireless signals module and wireless signal transmitting module；
The wireless signal transmission has two sets, and a set of wireless signal transmission is mounted on inside rotating model, another set of wireless
Signal transmitting apparatus is connect with the computer.It is inputted and is instructed by computer, sent out via wireless signal generating means, by nothing
Line signal receiving module receives.
Further, the power supply module includes lithium battery and power supply wiring as power supply.
It is related in high wind tunnel testing to solve rotating model for the wireless pressure tester and pressure testing method of the utility model
The difficulty of data acquisition is connected using wireless signal transmission techniques instead of the wireline physical between control device and measuring apparatus
It connects, greatly simplifies measuring system, save test space, and comprehensive performance is more stablized, application prospect is very extensive.
Description of the drawings
Fig. 1 is the structure of one embodiment of the wireless pressure tester for high-speed wind tunnel rotating model of the utility model
Schematic diagram；
Fig. 2 is the pressure measured by the wireless pressure tester practical application for high-speed wind tunnel rotating model of the utility model
Force curve；
Fig. 3 is each channel institute of the wireless pressure tester practical application for high-speed wind tunnel rotating model of the utility model
The pressure curve measured.
Specific implementation mode
Below in conjunction with the accompanying drawings, to the utility model proposes a kind of wireless pressure tester for high-speed wind tunnel rotating model
It is described in detail.In the description of the present invention, it should be understood that term " left side ", " right side ", " top ", " under
The orientation or positional relationship of the instructions such as portion ", " bottom " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
State the utility model and simplify and describe, do not indicate or imply the indicated device or element must have a particular orientation, with
Specific azimuth configuration and operation, " first ", " second " etc. are not offered as the significance level of parts, therefore should not be understood as pair
The limitation of the utility model.The specific size used in the present embodiment technical solution solely for the purpose of illustration is not intended to limit this
The protection domain of utility model.
As shown in Fig. 1, the wireless pressure tester for high-speed wind tunnel rotating model of the utility model, including measure single
Member and control unit, measuring unit and control unit are communicated by wireless signal transmission.Measuring unit is mounted on rotating mould
Inside type 1.Measuring unit includes pressure measuring module 3, power supply module 4 and nulling switch 5；Control unit includes computer 6.
Pressure measuring module 3 includes pressure sensor, operation electronic component and data storage；Pressure sensor with
The pressure tap on rotating model surface connects.Pressure sensor range is larger, is suitable for high wind tunnel testing.In the present embodiment, fortune
It calculates electronic component to be welded on pcb board, data storage selects SD storage cards.Wireless signal transmission includes wireless communication
Number receiving module 2 and 3. wireless signal transmission of wireless signal transmitting module have two sets, a set of wireless signal transmission peace
Inside rotating model, another set of wireless signal transmission is connect with computer.It is inputted and is instructed by computer 6, via
Wireless signal generating means is sent out, and is received by reception of wireless signals module.Power supply module 4 includes lithium battery and electricity as power supply
Source wiring.
A method of using above-mentioned wireless pressure tester measurement high wind tunnel testing rotating model surface pressing, including with
Lower step：
1）The pressure sensor of wireless pressure tester measuring unit and the pressure tap on rotating model surface to be measured are connected first
It connects；
2）Before the measuring unit of wireless pressure tester is packed into rotating model inside to be measured, power supply module is connected, opening is set
Zero switch, the computer equipped with reception of wireless signals/transmitting module will will receive zero setting information, and illustrate the measurement part of the device
Normal work；
3）When High Speed Flow Field is begun setting up, sent out from computer to measuring unit by reception of wireless signals/emitter
It send acquisition instructions, computer that will will receive the information of data acquisition beginning, illustrates that measuring unit has begun acquisition rotating model
The pressure data on surface；
4）After the test, END instruction is sent to measuring unit by reception of wireless signals/emitter from computer,
Computer will will receive the information that data acquisition terminates, and illustrate that measuring unit has stopped data collection, and by collected data
It stores in data storage；
Data storage is taken out, wherein data is read and the pressure change on rotating model surface is obtained by calculation process
Situation.
From Fig. 2 and 3 as can be seen that the device of the utility model can accurately measure the table of high wind tunnel testing rotating model
Surface pressure situation of change.
Based on the description to the preferred embodiments of the present invention, it should be apparent that be defined by the appended claims
The utility model be not limited only to the specific detail illustrated in specification above, without departing from the utility model aims or
Many obviously change to the utility model of range equally possible reaches the purpose of this utility model.
Claims (4)
1. a kind of wireless pressure tester for high-speed wind tunnel rotating model, which is characterized in that single including measuring unit and control
Member, the measuring unit and control unit are communicated by wireless signal transmission, and the measuring unit is mounted on rotating model
It is internal；The measuring unit includes pressure measuring module, power supply module and nulling switch；Described control unit includes computer.
2. wireless pressure tester according to claim 1, which is characterized in that the pressure measuring module includes pressure sensing
Device, operation electronic component and data storage；The pressure sensor is connect with the pressure tap on rotating model surface.
3. wireless pressure tester according to claim 2, which is characterized in that the wireless signal transmission includes wireless
Signal receiving module and wireless signal transmitting module；The wireless signal transmission has two sets, a set of wireless signal transmission dress
It sets inside rotating model, another set of wireless signal transmission is connect with the computer.
4. wireless pressure tester according to claim 2, which is characterized in that the power supply module includes the lithium as power supply
Battery and power supply wiring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820095256.9U CN207964240U (en) | 2018-01-20 | 2018-01-20 | A kind of wireless pressure tester for high-speed wind tunnel rotating model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820095256.9U CN207964240U (en) | 2018-01-20 | 2018-01-20 | A kind of wireless pressure tester for high-speed wind tunnel rotating model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207964240U true CN207964240U (en) | 2018-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820095256.9U Active CN207964240U (en) | 2018-01-20 | 2018-01-20 | A kind of wireless pressure tester for high-speed wind tunnel rotating model |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332935A (en) * | 2018-01-20 | 2018-07-27 | 南京航空航天大学 | A kind of wireless pressure tester and pressure testing method for high-speed wind tunnel rotating model |
-
2018
- 2018-01-20 CN CN201820095256.9U patent/CN207964240U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332935A (en) * | 2018-01-20 | 2018-07-27 | 南京航空航天大学 | A kind of wireless pressure tester and pressure testing method for high-speed wind tunnel rotating model |
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