CN203376161U - Apparatus for collecting running data of generator of wind turbine generator system - Google Patents
Apparatus for collecting running data of generator of wind turbine generator system Download PDFInfo
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- CN203376161U CN203376161U CN201320397137.6U CN201320397137U CN203376161U CN 203376161 U CN203376161 U CN 203376161U CN 201320397137 U CN201320397137 U CN 201320397137U CN 203376161 U CN203376161 U CN 203376161U
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Abstract
The utility model brings forward an apparatus for collecting running data of generators of a wind turbine generator system. The apparatus comprises a voltage transformer which is used for collecting working voltages of generators, wherein the working voltages are converted into low voltages according to proportion; a current transformer which is used for collecting working currents of generators, wherein the working currents are converted into low currents according to proportion; a temperature sensor which is used for detecting the temperature of bearings of generators; an analog-digital conversion unit which is connected with the voltage transformer, the current transformer and the temperature sensor; a central processing unit which is connected with the analog-digital conversion unit and is used for packing and processing signals that have been processed through analog-digital conversion; and a communication unit which is connected with the central processing unit and is used for coding the received signals output by the central processing unit and then uploading and outputting the signals. Since running data of generators can be collected in a real-time and accurate manner, a good foundation is provided for accurate determination of faults.
Description
Technical field
The utility model relates to a kind of wind-powered electricity generation unit generator operation data collector.
Background technology
Generator is the key equipment of wind power generating set, adopts for a long time the mode of scheduled maintenance always, i.e. general wind energy conversion system operation is carried out routine maintenance after 2500 hours or 5000 hours.This maintenance mode can't be understood the operation conditions of generator comprehensively, timely, and correction maintenance is abundant not due to prior preparation, cause maintenance job consuming time oversize, loss is serious.
In view of this, on-line monitoring and signal analysis are just extremely important to the maintenance of generator, the real-time running data of generator and the value of setting are in advance compared, can find in time operation exception and report to the police, can carry out various analyzing and processing to the data that collect, thereby can determine exactly equipment failure.
To wind-powered electricity generation unit generator operation, data acquisition also is in the starting stage to prior art, due to can't comprehensive and accurate collection generator operation data, causes can't accomplishing accurately fault to be judged.
The utility model content
The utility model provides a kind of wind-powered electricity generation unit generator operation data collector, by the service data to generator, gathers accurately in real time, for accurately fault being judged good basis is provided.
Described wind-powered electricity generation unit generator operation data collector comprises:
Voltage transformer (VT), for gathering the operating voltage of generator, and convert low-voltage in proportion;
Current transformer, for gathering the working current of generator, and convert low current in proportion;
Temperature sensor, for detection of the temperature of dynamo bearing;
AD conversion unit, be connected with described voltage transformer (VT), current transformer and temperature sensor respectively;
CPU (central processing unit), be connected with described AD conversion unit, for the processing of packing of the signal to after analog-to-digital conversion process;
Communication unit, be connected with described CPU (central processing unit), and the signal of exporting for the CPU (central processing unit) by received transfers out on encoding and processing afterwards.
By upper, by the service data to generator, gather accurately in real time, for accurately fault being judged good basis is provided.
Optionally, between described AD conversion unit and CPU (central processing unit), also comprise level conversion unit, for the two-way level converting of 5～3.3V.
By upper, realize that AD conversion unit communicates by letter with the accessible of CPU (central processing unit).
Optionally, described level conversion unit is the circuit that comprises that model is the 74LVC4245 chip.
Optionally, described AD conversion unit is the circuit that comprises that model is the MAX125 chip.
Optionally, described CPU (central processing unit) is the circuit that comprises that model is DSP F2812 chip.
Preferably, described communication unit comprises one of following: RS485 serial communication circuit, HOMBUS communication module, CANBUS communication module, WIFI communication module and WIFIDIRECT communication module.
By upper, realize communicating by letter with host computer by different communication protocol, improve the compatibility of communicating by letter with host computer.
Preferably, also comprise storage unit, be connected with CPU (central processing unit).
Thus, during the upper computer detection generator failure, can transfer memory cell data, carry out fault analysis.
The accompanying drawing explanation
The principle schematic that Fig. 1 is wind-powered electricity generation unit generator operation data collector;
The circuit theory diagrams that Fig. 2 is AD conversion unit;
The circuit theory diagrams that Fig. 3 is level conversion unit;
The circuit theory diagrams that Fig. 4 is CPU (central processing unit);
The circuit theory diagrams that Fig. 5 is communication unit.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the utility model wind-powered electricity generation unit generator operation data collector is described in detail.
The principle schematic of wind-powered electricity generation unit generator operation data collector as shown in Figure 1, comprise the voltage transformer (VT) 11, current transformer 12 and the temperature sensor 13 that are connected with generator, the AD conversion unit 20 be connected with said apparatus respectively, and the CPU (central processing unit) 30 be connected successively with AD conversion unit 20 and communication unit 40.
Wherein, described voltage transformer (VT) 11 is for gathering the operating voltage of generator, and converts in proportion low-voltage to.Its principle of work is: described voltage transformer (VT) is comprised of first and second coil, iron core and insulation.When on a winding, applying a voltage U 1, just produce a magnetic flux in iron core
, according to the law of electromagnetic induction, in Secondary Winding, just produce a secondary voltage U2.By changing once or the number of turn of Secondary Winding, can produce different primary voltages and secondary voltage ratio.
CPU (central processing unit) 30, be connected with AD conversion unit 20 by level conversion unit, for received digital signal is packed and processed and export.As shown in Figure 4, the function of described CPU (central processing unit) 30 can realize by comprising the circuit that model is DSP F2812 chip.
Further, between described CPU (central processing unit) 30 and level conversion unit, also comprise amplifying circuit and filtering circuit, because foregoing circuit belongs to prior art, therefore repeat no more and illustrate.
Preferably, also comprise a storage unit (not shown), be connected with CPU (central processing unit) 30, for storing the data of CPU (central processing unit) 30.Thus, during hereinafter described upper computer detection generator failure, can transfer memory cell data, carry out fault analysis.
In addition, the function of described communication unit 40 also can be passed through HOMBUS communication module, CANBUS communication module, WIFI communication module or and WIFI DIRECT communication module realization.
Further, also comprise graphics processing unit and display driver unit (not shown), graphics processing unit is connected with CPU (central processing unit) 30, for processing that generator parameter is encoded, formation curve view data.Described display driver unit comprises the circuit that model is the LM3S2793 chip.
The display driver unit is for the processing of encoding of curve image data that graphics processing unit is exported, and is converted to rgb format.Described display driver unit is realized by comprising the circuit that model is the SSD1963QL8 chip.
Further, also comprise host computer (not shown), host computer and communication unit 40 communication connections, according to image data, analyzed, to learn the duty of generator, the real-time running data of generator and the value of setting are in advance compared, can find in time operation exception and report to the police.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a wind-powered electricity generation unit generator operation data collector, is characterized in that, comprising:
Voltage transformer (VT), for gathering the operating voltage of generator, and convert low-voltage in proportion;
Current transformer, for gathering the working current of generator, and convert low current in proportion;
Temperature sensor, for detection of the temperature of dynamo bearing;
AD conversion unit, be connected with described voltage transformer (VT), current transformer and temperature sensor respectively;
CPU (central processing unit), be connected with described AD conversion unit, for the processing of packing of the signal to after analog-to-digital conversion process;
Communication unit, be connected with described CPU (central processing unit), and the signal of exporting for the CPU (central processing unit) by received transfers out on encoding and processing afterwards.
2. device according to claim 1, is characterized in that, between described AD conversion unit and CPU (central processing unit), also comprises level conversion unit, for the two-way level converting of 5～3.3V.
3. device according to claim 2, is characterized in that, described level conversion unit is the circuit that comprises that model is the 74LVC4245 chip.
4. device according to claim 1, is characterized in that, described AD conversion unit is the circuit that comprises that model is the MAX125 chip.
5. device according to claim 1, is characterized in that, described CPU (central processing unit) is the circuit that comprises that model is DSP F2812 chip.
6. device according to claim 1, is characterized in that, it is one of following that described communication unit comprises: RS485 serial communication circuit, HOMBUS communication module, CANBUS communication module, WIFI communication module and and WIFI DIRECT communication module.
7. device according to claim 1, is characterized in that, also comprises storage unit, with CPU (central processing unit), is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320397137.6U CN203376161U (en) | 2013-07-04 | 2013-07-04 | Apparatus for collecting running data of generator of wind turbine generator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320397137.6U CN203376161U (en) | 2013-07-04 | 2013-07-04 | Apparatus for collecting running data of generator of wind turbine generator system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203376161U true CN203376161U (en) | 2014-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320397137.6U Expired - Fee Related CN203376161U (en) | 2013-07-04 | 2013-07-04 | Apparatus for collecting running data of generator of wind turbine generator system |
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| CN (1) | CN203376161U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556858A (en) * | 2017-09-26 | 2019-04-02 | 南京淳泰控制设备有限公司 | A kind of flywheel bearing unit running-in test equipment |
-
2013
- 2013-07-04 CN CN201320397137.6U patent/CN203376161U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556858A (en) * | 2017-09-26 | 2019-04-02 | 南京淳泰控制设备有限公司 | A kind of flywheel bearing unit running-in test equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20170704 |