CN204904548U - Turbine blade moves test system frequently based on data signal wireless transmission - Google Patents
Turbine blade moves test system frequently based on data signal wireless transmission Download PDFInfo
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- CN204904548U CN204904548U CN201520703640.9U CN201520703640U CN204904548U CN 204904548 U CN204904548 U CN 204904548U CN 201520703640 U CN201520703640 U CN 201520703640U CN 204904548 U CN204904548 U CN 204904548U
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Abstract
The utility model discloses a turbine blade moves test system frequently based on data signal wireless transmission, including dynamic balance vacuum chamber, rotor and computer, the rotor setting in the dynamic balance vacuum chamber, be equipped with ten shake sensor, signal acquisition emission module and battery module on the blade of rotor, the sensor that shakes that picks up pass through wire and signal acquisition emission module electricity and be connected, signal acquisition emission module and battery module electricity be connected, still be equipped with the radio signal recepition ware in the dynamic balance vacuum chamber, the radio signal recepition ware passes through the data transmission line connection and arrives on the computer that sets up outside the dynamic balance vacuum chamber. The beneficial effects of the utility model are that: under the prerequisite of ensureing test system validity and reliability, based on data signal wireless transmission, improved signal transmission's anti -interference ability, simplified the system composition, improved the integrated nature of system, the digital degree of messenger system has promotion by a wide margin.
Description
Technical field
The utility model relates to a kind of data acquisition system (DAS) for testing Turbine Blades frequency characteristic, particularly a kind of Turbine Blades based on radio transmission of digital signals test macro frequently.
Background technology
In Turbine Blades characteristic test frequently, rotor is High Rotation Speed in vacuum chamber, foil gauge is as pick-up sensor, the vibration signal being subject to the blade of exciting is delivered to through wire and is arranged on epitrochanterian signal transmitter, vibration signal is modulated into simulating signal and launches by transmitter, received by ground relatively-stationary antenna, the simulating signal received transfers to receiver out of my cabin via shielded cable through bulkhead, receiver is processed by analytical instrument in real time to after signal receiving, obtains the amplitude of blade and moves the information such as frequency.Said process adopts simulating signal wireless transmission, and antijamming capability is weak, simultaneously, owing to being subject to the restriction of signal transmission form, need in test macro to arrange necessary simulating signal receiving element, modem module and A/D converting unit, system is comparatively complicated, and integration degree is low.
Utility model content
In order to solve the problem, it is high that the utility model provides a kind of integration degree, and measurement result is reliably based on the Turbine Blades test macro frequently of radio transmission of digital signals.
In order to achieve the above object, the Turbine Blades based on radio transmission of digital signals designed by the utility model is test macro frequently, comprise transient equilibrium vacuum chamber, rotor and computing machine, described rotor is arranged in transient equilibrium vacuum chamber, the blade of rotor is provided with pick-up sensor, signals collecting transmitter module and battery module, described pick-up sensor is electrically connected with signals collecting transmitter module by wire, and described signals collecting transmitter module is electrically connected with battery module; In transient equilibrium vacuum chamber, be also provided with wireless signal receiver, described wireless signal receiver is connected to by data line on the computing machine that is arranged on outside transient equilibrium vacuum chamber.
Wherein said pick-up sensor is foil gauge; Described signals collecting transmitter module is integrated with A/D modular converter and emission function module, described emission function module is wifi signal transmission module; Described transient equilibrium vacuum chamber shell is provided with socket, this socket is provided with network interface and power interface, described wireless signal receiver is connected on this socket by netting twine and power lead and obtains power supply and transmission data, and wireless signal receiver can be directly use wifi route.
The beneficial effects of the utility model are: be set directly on rotor by the strainmeter be made up of pick-up sensor, signals collecting transmitter module and battery module, the analog-digital conversion function of signals collecting transmitter module is utilized directly the data collected to be launched in the mode of digital signal, under the prerequisite guaranteeing test macro validity and reliability, based on radio transmission of digital signals, improve the interference free performance of Signal transmissions, simplify system composition, improve the integration of system, the digitized degree of system is had greatly improved.
Accompanying drawing explanation
Fig. 1 is the utility model example structure schematic diagram.
Number in the figure represents: 1-blade; 2-pick-up sensor; 3-signals collecting transmitter module; 4-battery module; 5-rotor; 6-transient equilibrium vacuum chamber; 7-wireless router; 8-WiFi signal; 9-power lead; 10-netting twine; 11-wire; 12-plug; 13-bulkhead socket; 14-computing machine; 15-power supply.
Embodiment
Below by embodiment, the utility model will be further described by reference to the accompanying drawings.
embodiment 1.
As shown in Figure 1, the Turbine Blades based on radio transmission of digital signals that the present embodiment describes is test macro frequently, arranges and installed the turbine rotor 5 of tested blade in transient equilibrium vacuum chamber 6, and the equipment such as signals collecting and reception.Pick-up sensor 2 adopts foil gauge, is attached to the appropriate location of blade 1, links signals collecting transmitter module 3 through wire 11, and signals collecting transmitter module 3 is powered by battery module 4, and above-mentioned parts are installed on rotor 5.The simulating signal that pick-up sensor 2 gathers by signals collecting transmitter module 3 carries out A/D conversion, and digital signal is wirelessly transmitted to the wireless router 7 fixed on the ground by WiFi signal 8, wireless router 7 just signal spreads out of out of my cabin by netting twine 10 through bulkhead socket 13, is directly received by computing machine 14, record, is processed.Wireless router 7 is powered by the power supply 15 outside transient equilibrium vacuum chamber.Signal transmits in a wired fashion on rotor 5, is provided with electric wire 11, also transmits in a wired fashion on the ground between epitrochanterian equipment, with radio transmission of digital signals between rotor 5 and ground.
Claims (4)
1. the Turbine Blades based on radio transmission of digital signals test macro frequently, comprise transient equilibrium vacuum chamber, rotor and computing machine, it is characterized in that: described rotor is arranged in transient equilibrium vacuum chamber, the blade of rotor is provided with pick-up sensor, signals collecting transmitter module and battery module, described pick-up sensor is electrically connected with signals collecting transmitter module by wire, and described signals collecting transmitter module is electrically connected with battery module; In transient equilibrium vacuum chamber, be also provided with wireless signal receiver, described wireless signal receiver is connected to by data line on the computing machine that is arranged on outside transient equilibrium vacuum chamber.
2. the Turbine Blades based on radio transmission of digital signals according to claim 1 test macro frequently, is characterized in that described pick-up sensor is foil gauge.
3. the Turbine Blades based on radio transmission of digital signals according to claim 1 test macro frequently, it is characterized in that described signals collecting transmitter module is integrated with A/D modular converter and emission function module, described emission function module is wifi signal transmission module.
4. the Turbine Blades based on radio transmission of digital signals according to claim 1 test macro frequently, it is characterized in that described transient equilibrium vacuum chamber shell is provided with socket, this socket is provided with network interface and power interface, and described wireless signal receiver is connected on this socket by netting twine and power lead and obtains power supply and transmission data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520703640.9U CN204904548U (en) | 2015-09-11 | 2015-09-11 | Turbine blade moves test system frequently based on data signal wireless transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520703640.9U CN204904548U (en) | 2015-09-11 | 2015-09-11 | Turbine blade moves test system frequently based on data signal wireless transmission |
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| Publication Number | Publication Date |
|---|---|
| CN204904548U true CN204904548U (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201520703640.9U Active CN204904548U (en) | 2015-09-11 | 2015-09-11 | Turbine blade moves test system frequently based on data signal wireless transmission |
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| CN (1) | CN204904548U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590918A (en) * | 2018-04-26 | 2018-09-28 | 中国水利水电科学研究院 | A kind of airborne device and method for surveying dynamic stress |
| CN109520640A (en) * | 2018-12-27 | 2019-03-26 | 北京航天长征飞行器研究所 | Moving target surface contact thermography device, system and method under vacuum low-temperature environment |
-
2015
- 2015-09-11 CN CN201520703640.9U patent/CN204904548U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590918A (en) * | 2018-04-26 | 2018-09-28 | 中国水利水电科学研究院 | A kind of airborne device and method for surveying dynamic stress |
| CN109520640A (en) * | 2018-12-27 | 2019-03-26 | 北京航天长征飞行器研究所 | Moving target surface contact thermography device, system and method under vacuum low-temperature environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 310022 Building 1, No. 608, Kangxin Road, Linping District, Hangzhou, Zhejiang Patentee after: Hangzhou Turbine Power Group Co.,Ltd. Address before: 357 Shiqiao Road, Xiacheng District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU STEAM TURBINE Co.,Ltd. |
|
| CP03 | Change of name, title or address |