CN208140338U - A kind of hypersonic wind tunnel balance dynamic characteristic verifying attachment - Google Patents
A kind of hypersonic wind tunnel balance dynamic characteristic verifying attachment Download PDFInfo
- Publication number
- CN208140338U CN208140338U CN201820622158.6U CN201820622158U CN208140338U CN 208140338 U CN208140338 U CN 208140338U CN 201820622158 U CN201820622158 U CN 201820622158U CN 208140338 U CN208140338 U CN 208140338U
- Authority
- CN
- China
- Prior art keywords
- balance
- current
- load
- dynamic
- controllable
- 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.)
- Active
Links
Landscapes
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The utility model discloses a kind of hypersonic wind tunnel balance dynamic characteristic verifying attachments.The verifying attachment generates the dynamic load for being applied to balance by loading device, and balance measurement module measures the dynamic load response of balance, resolves the dynamic characteristic that dynamic load and dynamic load response of the module based on balance resolve balance.The hypersonic wind tunnel balance dynamic characteristic verifying attachment of the utility model can test to balance dynamic characteristic, can obtain the data such as accuracy, the frequency characteristic of dynamic penalty function.There is loading head in the hypersonic wind tunnel balance dynamic characteristic verifying attachment of the utility model, torque is not introduced by loading head load substantially, rigidity is higher, install convenient.
Description
Technical field
The utility model belongs to control technology and field of measuring technique, and in particular to a kind of hypersonic wind tunnel balance dynamic
Attribute inspection device.
Background technique
The strain balance measuring instrument important as one kind of force test in wind tunnel has been widely used in all kinds of dynamometry examinations
In testing.Dynamometer check is generally divided into static force measurement test and dynamic force measurement test.
In static force measurement test, tested model has a period of time of stability under loading, and the balance signal of this period is taken
Average value, then participate in calculating by balance formula, can be obtained the stress condition of tested model, the time of stability under loading is longer,
The brings interference volume such as system oscillation is with regard to smaller.
And dynamic force measurement is tested since the stress condition of testee persistently changes at any time, the data of static force measurement
Processing method is no longer applicable in.It can be generally based on acceleration transducer and the one-to-one relationship of day flat response, dynamic is obtained and compensate
Function, to correct balance dynamic characteristic.
But the inspection of hypersonic wind tunnel balance dynamic characteristic is still in infancy at present, needs to develop a kind of high
Supersonic wind tunnel balance dynamic characteristic verifying attachment, the data such as accuracy, frequency characteristic for obtaining dynamic penalty function.
Summary of the invention
It examines and fills the technical problem to be solved by the utility model is to provide a kind of hypersonic wind tunnel balance dynamic characteristic
It sets.
The hypersonic wind tunnel balance dynamic characteristic verifying attachment of the utility model, its main feature is that, the verifying attachment
Including loading device, balance measurement module and resolve module.
The loading device includes controllable current source, controllable current load, current measurement module, direct current generator, load
Head, control module and connection cables, controllable current source, controllable current load and direct current generator are in parallel, flow through the electricity of direct current generator
The source current that electromechanics stream is equal to controllable current source subtracts the load current of controllable current load, and direct current generator turns current of electric
It is changed to torque, torque is by sequentially connected wirerope, loading head load on balance.
Current measurement module measures current of electric, and the numerical value of current of electric sends control module to, and control module is based on electricity
Electromechanics stream and desired loaded load generate the control signal of controllable current source and controllable current load, the electricity of controllable current source
Ource electric current and the load current of controllable current load are controlled by control module by control signal.
Loading device generates the dynamic load for being applied to balance, and balance measurement module measures the dynamic load response of balance,
Resolve the dynamic characteristic that dynamic load and dynamic load response of the module based on balance resolve balance.
The loading head includes T-type axis and hollow screw, and hollow screw handle is arranged at hollow screw bottom；The T-type
It after the small end of axis passes through hollow screw, is welded in exit and wirerope, the screw thread of hollow screw and the balance of balance install screw thread
It is equipped.
The hypersonic wind tunnel balance dynamic characteristic verifying attachment of the utility model can examine balance dynamic characteristic
It tests, the data such as accuracy, the frequency characteristic of dynamic penalty function can be obtained.The hypersonic wind tunnel balance dynamic of the utility model
There is loading head in attribute inspection device, it is easy for installation by loading head balance, torque is not introduced substantially and rigidity is higher.
Detailed description of the invention
Fig. 1 is the hypersonic wind tunnel balance dynamic characteristic verifying attachment structural schematic diagram of the utility model；
Fig. 2 is the loading head structural schematic diagram in the hypersonic wind tunnel balance dynamic characteristic verifying attachment of the utility model；
In figure, 1. controllable current source, 2. controllable current loads 3. current measurement module, 4. direct current generator, 5. wirerope 6.
7. balance of loading head, 8. balance measurement module, 9. control module 10. resolves 602. hollow screw handle of module 601.T profile shaft
603. hollow screw, 604. screw thread, 701. balance installs screw thread.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
The present embodiment does not limit the utility model, all mode technical sides obtained for taking equivalent replacement in any form
Case is all fallen in the protection scope of the utility model.
As shown in Figure 1, the hypersonic wind tunnel balance dynamic characteristic verifying attachment of the utility model includes loading device, day
Flat measurement module 8 and resolving module 10；
The loading device include controllable current source 1, controllable current load 2, current measurement module 3, direct current generator 4,
Loading head 6, control module 9 and connection cables, controllable current source 1, controllable current load 2 and direct current generator 4 are in parallel, flow through direct current
The source current that the current of electric of motor 4 is equal to controllable current source 1 subtracts the load current of controllable current load 2, direct current generator 4
Current of electric is converted into torque, torque is by sequentially connected wirerope 5, the load of loading head 6 on balance 7；
Current measurement module 3 measures current of electric, and the numerical value of current of electric sends control module 9 to, and control module 9 is based on
Current of electric and desired loaded load generate the control signal of controllable current source 1 and controllable current load 2, controllable current source 1
Source current and controllable current load 2 load current by control module 9 by control signal control.
Loading device generates the dynamic load for being applied to balance 7, and the dynamic load that balance measurement module 8 measures balance 7 is rung
It answers, resolves the dynamic characteristic that dynamic load and dynamic load response of the module based on balance 7 resolve balance 7.
As shown in Fig. 2, the loading head 6 includes T-type axis 601 and hollow screw 603,603 bottom of hollow screw is free
Heart screw handle 602；After the small end of the T-type axis 601 passes through hollow screw 603, welded in exit and wirerope 5, it is hollow
The screw thread 604 of screw 603 and the balance installation screw thread 701 of balance 7 are equipped.
Embodiment 1
It is 1ms that the controllable current source 1 of the present embodiment, which selects voltage rating 30V, rated current 5A, current scanning frequency, and
DC power supply with current feedback function.2 selection voltage rating 30V of controllable current load, rated current 5A, current scanning frequency
Rate is 1ms, and the electronic load with current feedback function.Direct current generator 4 selects linear preferable RE50（70357）Direct current
Machine.
Loading device generates the dynamic load for being applied to balance 7, and the dynamic load that balance measurement module 8 measures balance 7 is rung
It answers, resolves the dynamic characteristic that dynamic load and dynamic load response of the module based on balance 7 resolve balance 7, obtain balance 7
The data such as accuracy, the frequency characteristic of dynamic penalty function.
Claims (2)
1. a kind of hypersonic wind tunnel balance dynamic characteristic verifying attachment, it is characterised in that：The verifying attachment includes load
Device, balance measurement module（8）With resolving module（10）；
The loading device includes controllable current source（1）, controllable current load（2）, current measurement module（3）, direct current generator
（4）, loading head（6）, control module（9）And connection cables, controllable current source（1）, controllable current load（2）And direct current generator
（4）Direct current generator is flowed through in parallel connection（4）Current of electric be equal to controllable current source（1）Source current subtract controllable current load
（2）Load current, direct current generator（4）Current of electric is converted into torque, torque passes through sequentially connected wirerope（5）, load
Head（6）Load is in balance（7）On；
Current measurement module（3）Current of electric is measured, the numerical value of current of electric sends control module to（9）, control module（9）Base
In current of electric and desired loaded load, controllable current source is generated（1）It is loaded with controllable current（2）Control signal, controllably
Current source（1）Source current and controllable current load（2）Load current by control module（9）By controlling signal control
System；
Loading device generation is applied to balance（7）Dynamic load, balance measurement module（8）Measure balance（7）Dynamic load
Response resolves module and is based on balance（7）Dynamic load and dynamic load response resolve balance（7）Dynamic characteristic.
2. hypersonic wind tunnel balance dynamic characteristic verifying attachment according to claim 1, it is characterised in that：Described adds
Carrier head（6）Including T-type axis（601）And hollow screw（603）, hollow screw（603）Hollow screw handle is arranged at bottom（602）；Institute
The T-type axis stated（601）Small end pass through hollow screw（603）Afterwards, in exit and wirerope（5）Welding, hollow screw（603）'s
Screw thread（604）With balance（7）Balance install screw thread（701）It is equipped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820622158.6U CN208140338U (en) | 2018-04-28 | 2018-04-28 | A kind of hypersonic wind tunnel balance dynamic characteristic verifying attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820622158.6U CN208140338U (en) | 2018-04-28 | 2018-04-28 | A kind of hypersonic wind tunnel balance dynamic characteristic verifying attachment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208140338U true CN208140338U (en) | 2018-11-23 |
Family
ID=64311407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820622158.6U Active CN208140338U (en) | 2018-04-28 | 2018-04-28 | A kind of hypersonic wind tunnel balance dynamic characteristic verifying attachment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208140338U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326113A (en) * | 2020-10-14 | 2021-02-05 | 中山大学 | Force measuring balance calibration system and method |
-
2018
- 2018-04-28 CN CN201820622158.6U patent/CN208140338U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326113A (en) * | 2020-10-14 | 2021-02-05 | 中山大学 | Force measuring balance calibration system and method |
| CN112326113B (en) * | 2020-10-14 | 2022-01-04 | 中山大学 | Force measuring balance calibration system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4227814B2 (en) | Battery state diagnosis apparatus and battery state diagnosis method | |
| CN210465476U (en) | Acceleration sensor calibration system | |
| JP4707608B2 (en) | Measurement circuit and test equipment | |
| KR20070013314A (en) | Direct current test apparatus | |
| CN108344556A (en) | A kind of hypersonic wind tunnel balance dynamic characteristic verifying attachment | |
| CN208140338U (en) | A kind of hypersonic wind tunnel balance dynamic characteristic verifying attachment | |
| De Angelis et al. | Practical broadband measurement of battery EIS | |
| EP2017633B1 (en) | Power applying circuit and testing apparatus | |
| CN109060239A (en) | A kind of pulse-knocking engine test bay thrust test dynamic calibrating method and device | |
| KR20140137124A (en) | Inspection apparatus for motor thrust of unmanned aerial vehicles | |
| CN107084785B (en) | Method for measuring frequency of wind driven generator blade | |
| JP4374785B2 (en) | Ultrasonic fatigue testing machine | |
| CN212646969U (en) | Calibration device for dynamic response time characteristic of electric energy meter | |
| CN105717393B (en) | A kind of parameter test system and test method for electronic component | |
| CN108279380B (en) | System and method for simulating working conditions of motor | |
| JP6544256B2 (en) | Measuring device and material testing machine | |
| JP4245368B2 (en) | Current measuring device and current measuring method | |
| JP2005172589A (en) | Method and machine for testing material | |
| US20150027792A1 (en) | Electromagnetically Force-Compensating Force-Measuring Apparatus | |
| CN109581221A (en) | A kind of method for accurate testing of PWM driving source magneto efficiency | |
| Gunasekaran et al. | Errors in Off-axis Loading of Off-the-shelf 6-Component Force Transducers: A Cautionary Tale | |
| CN219695361U (en) | Circuit board detection equipment | |
| JP2000258288A (en) | Electrokinetic vibration generator | |
| JP2012093231A (en) | Fatigue testing device | |
| Lindenthaler et al. | AC power measurements of electric drives: a method incorporating calorimetry and DC measurements only. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |