CN107917765A - One kind monitoring Wind turbines shafting temperature device and method - Google Patents
One kind monitoring Wind turbines shafting temperature device and method Download PDFInfo
- Publication number
- CN107917765A CN107917765A CN201711086712.XA CN201711086712A CN107917765A CN 107917765 A CN107917765 A CN 107917765A CN 201711086712 A CN201711086712 A CN 201711086712A CN 107917765 A CN107917765 A CN 107917765A
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- temperature
- collecting device
- axis
- wind turbines
- portable machines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K2205/00—Application of thermometers in motors, e.g. of a vehicle
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Wind Motors (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention provides one kind to monitor Wind turbines shafting temperature device, including master holds axis, collecting device and PC portable machines；The master holds axis, collecting device and PC portable machines and is sequentially connected, temperature sensor is equipped with axis in main hold, A/D converter, data processing module and wifi interfaces are equipped with collecting device, wireless network card, analysis program, display and data storage are equipped with PC portable machines.The present invention uses simply, easy to carry, instead of original prison test device installation complexity, carries the shortcomings that inconvenience, while data acquisition is carried out by way of WIFI communication, removes operating personnel from and enters blower fan tower barrel；External member collecting device is measured using NI 9213, which has 16 thermocouple passages, 250Vrm ground grounding safety channel isolation, 24 ADC, is adapted to the measurement sensitivity at 0.02 DEG C of maximum temperature.
Description
Technical field
The present invention relates to one kind monitoring Wind turbines shafting temperature device and method, belong to electric shaft system of unit temperature device and set
Meter field.
Background technology
Wind turbines are subject to the large-size pliable structure of transition air force excitation, and shaft system of unit is as mainly by wind turbine
Energy transmission is acted on by complicated dynamic load to generator, its be driven twisting property directly affect institute's passing power size,
Working life and overload protection performance etc..Wind generator set main shaft temperature monitoring device can find the failure of shaft system of unit in time
Point, facilitates field service personnel to take emergency measures, and avoids, reduces the sprawling of failure；After wind generator set main shaft temperature monitoring,
The abnormality of each bearing of set main shaft can be prompted, the real-time adjustment, shutdown inspection for equipment provide science root
According to can effectively improve unit utilization rate, improve power benefit.
In recent years, with the continuous development of new energy, power generation proportion of the wind-power electricity generation in China is increasing, it is stablized
Operation is the necessary condition of power grid operation.Current most wind-powered electricity generation monitoring device is all based on microcontroller, DSP, can compile
What the modes such as journey logic controller PLC were realized, majority using serial ports (RS-232) or Parallel Interface Communication interface and host computer procedure into
Row data communication.When being monitored at the scene, operating personnel will could be completed by live tower wiring, this brings to monitoring
Many inconvenience.
Virtual instrument technique has obtained quick development in recent years, extensive utilization has been obtained in monitoring field, due to it
The acquisition precision of collecting device is higher, and has the WIFI wireless data transmission modes of IEEE 802.11, and exploitation software can
To be run in the PC machine of any windows or linux operating systems, this equipment can become current wind generator set main shaft completely
The New Scheme of temperature monitoring system.Meanwhile with the development of science and technology, for the monitoring device integrated horizontal of Wind turbines
Also can be higher and higher, and virtual instrument technique due to its develop it is more prominent, design and simply just meet its requirement,
Portable main shaft temperature monitoring device with a set of Wind turbines based on wireless communication technique of virtual instrument technology is
Feasible.
The content of the invention
In order to solve the above technical problems, the present invention provides one kind monitoring Wind turbines shafting temperature device and method, should
The wiring that monitoring Wind turbines shafting temperature device and method are mainly solved at present in monitoring process at the scene is complicated, carries not side
Just, measuring accuracy is not high, and the problem of versatility and poor autgmentability, and portable radio communication technology is used, it is wind turbine
The main shaft temperature monitoring of group provides a kind of device simple in structure, calculating speed is fast, versatility is good, is provided for subsequent development
Basis.
The present invention is achieved by the following technical programs.
A kind of monitoring Wind turbines shafting temperature device provided by the invention, including main to hold axis, collecting device and PC portable
Machine；The master holds axis, collecting device and PC portable machines and is sequentially connected, and temperature sensor is equipped with axis in main hold, in collecting device
Be equipped with equipped with A/D converter, data processing module and wifi interfaces, in PC portable machines wireless network card, analysis program, display and
Data storage；
It is electric signal that the temperature sensor, which is used for temperature transition,；
The collecting device is used to receiving, handle and transmitting data；
The PC portable machines are used to show data, analyzed and be stored.
The collecting device is NI-9213 capture cards.
The master hold axis be divided into the first master hold axis, second master hold axis and the 3rd master hold axis.
First master holds axis, the second master holds axis and the 3rd and leads the temperature sensor held on axis, connects collecting device respectively
AI0 ports, AI1 ports and AI2 ports.
AI0 ports, AI1 ports and the AI2 ports of the collecting device are connected with A/D converter, A/D converter, number
It is sequentially connected according to processing module and wifi interfaces.
The wifi interfaces are communicated to connect with wireless network card.
The simulation input resolution ratio of the NI-9213 capture cards is 24bits, uses rate as 75S/s.
Wind turbines shafting temperature methods are monitored based on one kind, are comprised the following steps：
1. collecting temperature：The main temperature for holding axis of temperature sensor collection is simultaneously transferred to collecting device；
2. data processing：Write-in A/D converter is converted and by data processing mould after collecting device receives temperature
Block is handled, and PC portable machines are transferred to after processing；
3. data are shown：The data that PC portable machines receive after processing are analyzed, stored, and are shown by display.
The beneficial effects of the present invention are：
(1) use simply, it is easy to carry, it instead of original prison test device installation complexity, carry the shortcomings that inconvenience,
Data acquisition is carried out by way of WIFI communication at the same time, removes operating personnel from and enters blower fan tower barrel；
(2) using NI-9213 measurement external member collecting devices, which has 16 thermocouple passages, 250Vrm ground ground connection
Security isolation passage, 24 ADC, are adapted to the measurement sensitivity at 0.02 DEG C of maximum temperature；
(3) the labview graphical programming languages provided using NI companies, it has, and programming is easy, the construction cycle is short, adjusts
Examination is convenient, performs fireballing advantage, high to live complex environment fitness.
Brief description of the drawings
Fig. 1 is the modular structure schematic diagram of the present invention.
Embodiment
Be described further below technical scheme, but claimed scope be not limited to it is described.
As shown in Figure 1, a kind of monitoring Wind turbines shafting temperature device, including master hold axis, collecting device and PC portable machines；
The master holds axis, collecting device and PC portable machines and is sequentially connected, and temperature sensor is equipped with axis in main hold, is equipped with collecting device
A/D converter, data processing module and wifi interfaces, PC portable machines are interior to be equipped with wireless network card, analysis program, display and data
Memory；
It is electric signal that the temperature sensor, which is used for temperature transition,；
The collecting device is used to receiving, handle and transmitting data；
The PC portable machines are used to show data, analyzed and be stored.
The collecting device is NI-9213 capture cards.
The master hold axis be divided into the first master hold axis, second master hold axis and the 3rd master hold axis.
First master holds axis, the second master holds axis and the 3rd and leads the temperature sensor held on axis, connects collecting device respectively
AI0 ports, AI1 ports and AI2 ports.
AI0 ports, AI1 ports and the AI2 ports of the collecting device are connected with A/D converter, A/D converter, number
It is sequentially connected according to processing module and wifi interfaces.
The wifi interfaces are communicated to connect with wireless network card.
The simulation input resolution ratio of the NI-9213 capture cards is 24bits, uses rate as 75S/s.
Wind turbines shafting temperature methods are monitored based on one kind, are comprised the following steps：
1. collecting temperature：The main temperature for holding axis of temperature sensor collection is simultaneously transferred to collecting device；
2. data processing：Write-in A/D converter is converted and by data processing mould after collecting device receives temperature
Block is handled, and PC portable machines are transferred to after processing；
3. data are shown：The data that PC portable machines receive after processing are analyzed, stored, and are shown by display.
Further, after temperature sensor collection master holds the temperature of axis, it is changed into analog signal, simulation is believed that write-in A/D turns
Parallel operation, is changed into digital signal, then carries out data processing (passing through data processing module), and PC portable machines are transferred to by wifi interfaces
Analyzed, stored and shown.
Wherein, collecting device has 16 analog acquisition passages, and simulation input resolution ratio is 24bits, can be reached using rate
To 75S/s, IEEE802.11 communications protocol is supported；PC portable machines are suitable for Windows Vista (32-and 64-bit)/XP/
The operating systems such as 2000.
In conclusion the bearing temperature that the present invention is used for the shafting of wind generator set main shaft is monitored and analyzed, there is provided
The monitoring of wind generator set main shaft bearing temperature and the hardware of analysis system and the Frame Design based on WIFI, user can eliminate
Field connection bothers, and in monitoring process, user, which need not enter, can be achieved monitoring in blower fan tower barrel, be Wind turbines
Main shaft bearing temperature monitoring provide safe operation instruct.
Claims (8)
1. one kind monitoring Wind turbines shafting temperature device, it is characterised in that：Axis, collecting device and PC portable machines are held including master；
The master holds axis, collecting device and PC portable machines and is sequentially connected, and temperature sensor is equipped with axis in main hold, is equipped with collecting device
A/D converter, data processing module and wifi interfaces, PC portable machines are interior to be equipped with wireless network card, analysis program, display and data
Memory；
It is electric signal that the temperature sensor, which is used for temperature transition,；
The collecting device is used to receiving, handle and transmitting data；
The PC portable machines are used to show data, analyzed and be stored.
2. monitoring Wind turbines shafting temperature device as claimed in claim 1, it is characterised in that：The collecting device is NI-
9213 capture cards.
3. monitoring Wind turbines shafting temperature device as claimed in claim 1, it is characterised in that：The master holds axis and is divided into first
Master holds axis, the second master holds axis and the 3rd master holds axis.
4. the monitoring Wind turbines shafting temperature device as described in claim 1 or 3, it is characterised in that：It is described first master hold axis,
Second master holds axis and the 3rd master holds AI0 ports, AI1 ports and the AI2 ends of temperature sensor, respectively connection collecting device on axis
Mouthful.
5. monitoring Wind turbines shafting temperature device as claimed in claim 2, it is characterised in that：The AI0 of the collecting device
Port, AI1 ports and AI2 ports are connected with A/D converter, and A/D converter, data processing module and wifi interfaces connect successively
Connect.
6. monitoring Wind turbines shafting temperature device as claimed in claim 1, it is characterised in that：The wifi interfaces with it is wireless
Network interface card communicates to connect.
7. monitoring Wind turbines shafting temperature device as claimed in claim 2, it is characterised in that：The NI-9213 capture cards
Simulation input resolution ratio be 24bits, use rate as 75S/s.
8. one kind monitoring Wind turbines shafting temperature methods, it is characterised in that：Comprise the following steps：
1. collecting temperature：The main temperature for holding axis of temperature sensor collection is simultaneously transferred to collecting device；
2. data processing：Collecting device receive write-in A/D converter after temperature converted and by data processing module into
Row processing, is transferred to PC portable machines after processing；
3. data are shown：The data that PC portable machines receive after processing are analyzed, stored, and are shown by display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711086712.XA CN107917765A (en) | 2017-11-07 | 2017-11-07 | One kind monitoring Wind turbines shafting temperature device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711086712.XA CN107917765A (en) | 2017-11-07 | 2017-11-07 | One kind monitoring Wind turbines shafting temperature device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107917765A true CN107917765A (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711086712.XA Pending CN107917765A (en) | 2017-11-07 | 2017-11-07 | One kind monitoring Wind turbines shafting temperature device and method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196659A (en) * | 2013-04-17 | 2013-07-10 | 哈尔滨电机厂有限责任公司 | Hydro-generator thrust bearing oil film pressure measurement instrument |
| CN203893882U (en) * | 2014-02-03 | 2014-10-22 | 金陵科技学院 | Hand-held data measurement device |
| CN204461465U (en) * | 2015-02-02 | 2015-07-08 | 北京中元瑞讯科技有限公司 | A kind of wind-powered electricity generation monitoring device based on ARM and FPGA framework |
| CN204612929U (en) * | 2015-05-24 | 2015-09-02 | 王伟 | Based on the bearing fault diagnosing apparatus that infrared measurement of temperature and vibration signal detect |
| CN105736252A (en) * | 2016-02-02 | 2016-07-06 | 华中科技大学 | Portable point inspection recording instrument for wind turbine generator |
| CN106369058A (en) * | 2015-07-21 | 2017-02-01 | 斯凯孚公司 | Sensor assembly with wireless temperature sensor for bearing |
-
2017
- 2017-11-07 CN CN201711086712.XA patent/CN107917765A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196659A (en) * | 2013-04-17 | 2013-07-10 | 哈尔滨电机厂有限责任公司 | Hydro-generator thrust bearing oil film pressure measurement instrument |
| CN203893882U (en) * | 2014-02-03 | 2014-10-22 | 金陵科技学院 | Hand-held data measurement device |
| CN204461465U (en) * | 2015-02-02 | 2015-07-08 | 北京中元瑞讯科技有限公司 | A kind of wind-powered electricity generation monitoring device based on ARM and FPGA framework |
| CN204612929U (en) * | 2015-05-24 | 2015-09-02 | 王伟 | Based on the bearing fault diagnosing apparatus that infrared measurement of temperature and vibration signal detect |
| CN106369058A (en) * | 2015-07-21 | 2017-02-01 | 斯凯孚公司 | Sensor assembly with wireless temperature sensor for bearing |
| CN105736252A (en) * | 2016-02-02 | 2016-07-06 | 华中科技大学 | Portable point inspection recording instrument for wind turbine generator |
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Application publication date: 20180417 |
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