CN209311568U - A kind of climbing event detection device - Google Patents
A kind of climbing event detection device Download PDFInfo
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- CN209311568U CN209311568U CN201821698315.8U CN201821698315U CN209311568U CN 209311568 U CN209311568 U CN 209311568U CN 201821698315 U CN201821698315 U CN 201821698315U CN 209311568 U CN209311568 U CN 209311568U
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Abstract
The utility model discloses a kind of climbing event detection devices, including main acquisition device, meteorological data collection device, climbing detection device and prior-warning device；Main acquisition device is connected by CAN bus with meteorological data collection device, is connected by CAN bus with climbing detection device, climbing detection device is connected by CAN bus with prior-warning device；Main acquisition device includes master controller, meteorological data sensor, power module, GPRS module, main acquisition LCD display, GPS module and the module that reports an error；Meteorological data sensor includes air velocity transducer, wind transducer, temperature sensor, baroceptor, humidity sensor；The utility model is on existing climbing event prediction basis, it is contemplated that the influence that weather system generates climbing event carries out profound analysis to climbing information convenient for technical staff, ensure that the accuracy to the climbing event prediction assessment of wind power.
Description
Technical field
The utility model relates to short-term wind-electricity power technical field more particularly to a kind of climbing event detection devices.
Background technique
Increasingly depleted with traditional fossil energy, global energy problem also gradually highlights.Wind energy can be again as one kind
The raw energy, has obtained the concern of countries in the world, wind-powered electricity generation is incorporated to electric system on a large scale.However wind generating technology and tradition fire
The characteristics of power power generation is compared, randomness, fluctuation brings challenges to wind-electricity integration power generation.Wherein, a significant challenge is exactly
Wind-powered electricity generation climbing phenomenon is coped with, i.e. wind power is widely varied in a relatively short period of time.Danger caused by wind-powered electricity generation climbing event
Evil be it is huge, it has seriously threatened the safe operation of electric system, in addition will cause large-area power-cuts major accident and
Power system collapse, economic loss caused by the event is immeasurable.
In addition, the generation of wind power climbing event has inseparable association, external related with extreme meteorologic factor
Person also indicates that the mutation of the meteorological elements such as wind power plant apoplexy speed, wind direction, temperature, air pressure is to induce climbing event under extreme weather
An important factor for.China North China, northeast most area are in monsoon climate of medium latitudes, and Central China, South China are in subtropical zone season
General mood is waited, these regional wind-resources also relative abundance, the installed capacitys of China in these areas are also big, but are also that climbing event is easy
Generation area.
Therefore, effectively consider these meteorological datas, and find out being associated between meteorological delta data and climbing event, it will
Facilitate the research of wind-powered electricity generation climbing event prediction.
Utility model content
In view of the above problems, the utility model proposes a kind of climbing event detection devices.Due at present both at home and abroad for wind
The research of electric climbing event is still at an early stage, and concentrates in definition and identification prediction method that climbing event is discussed.For
Weaken and even be eliminated this small probability event and give power grid adverse effect, the utility model is climbed in existing wind power
Increase the differentiation for considering weather system on the detection basis of slope event, solve the deficiency of current wind power climbing event detection,
It realizes the accurate detection to climbing event, improves the accuracy of climbing event prediction.
Technical solution: to realize the purpose of this utility model, the technical scheme adopted by the utility model is a kind of climbing
Event detection device, including main acquisition device, meteorological data collection device, climbing detection device and prior-warning device.Main acquisition dress
It sets and is connected by CAN bus with meteorological data collection device, is connected by CAN bus with climbing detection device, detection device of climbing
It is connected by CAN bus with prior-warning device.
Further, the main acquisition device includes master controller, a variety of meteorological data sensors, power module, GPRS
Module, main acquisition LCD display, GPS module and the module that reports an error.A variety of meteorological data sensors include air velocity transducer, wind
To sensor, temperature sensor, baroceptor, humidity sensor.More meteorological data sensor outputs and master control
The I/O port of device processed is connected, and for the visuality for realizing data, master controller passes through the port HDMI and main acquisition LCD display module phase
Even, to realize telecommunication, main acquisition device selects GPRS module to be communicated with teledata platform, GPS module and GPRS
Module is all made of RS232 and is serially connected with master controller；
Further, master controller uses AT91RM9200-QU chip processor；
Further, main acquisition device is connected using RJ45 interface with local area network；
Further, power module is connected with master controller, and required working power is provided for it；
Further, the air velocity transducer selects NRG#40H model air velocity transducer, and wind transducer selects NRG#
200 model wind transducers, temperature sensor select NRG#110S model temperature sensor, and baroceptor selects NRG#BP20
Model baroceptor, humidity sensor select NRG#RH-5 model humidity sensor, and the GPS module selects Beidou
EG12-BZ chip, the GPRS module select RDA8851 type GPRS chip；
Further, traditional cable network, which remotely monitors, needs to be laid with a large amount of network, puts into larger and exists centainly
Limitation, in order to reinforce telecommunication, the utility model joined GPRS wireless network communication module, and which raises required biographies
Transmission of data rate, improves the ability of telecommunication, while also assuring that wind power plant can be realized reliability, real-time transmission；
Further, acquired wind power plant location information can be transferred to main acquisition device, a variety of meteorology numbers by GPS positioning module
Main acquisition device is transferred to according to the data that sensor acquires；
Further, the wind power plant geographical location information that is transmitted, collected meteorological data show mould in main acquisition LCD
Block is shown；
Further, when transmitting data transmission fault or Network Abnormal, the module that reports an error in main acquisition device will start, and
It reports an error, prompts operator's error message；
Further, the voltage signal of main acquisition device data information collected, i.e. wind power plant acquisition is transmitted to climbing inspection
Device is surveyed, the input by the output of main acquisition device as climbing detection device carries out climbing detection.The climbing detects dress
It sets including detection circuit, upper climbing detector and the lower climbing detector of climbing；Upper climbing detector, lower climbing detector use number
Word chip detector, the model AT91RM9200 chip processor of selection；The upper climbing detector and climbing detection electricity
The Vout1 output end on road is connected, and the lower climbing detector is connected with the Vout2 output end of climbing detection circuit；Upper climbing
Detector, the climbing information that lower climbing detector will test are transmitted in prior-warning device；
Further, Study of Meso Scale Weather Forecast Mode WRF (The Weather Research and is combined in early warning part
Forecasting Model) in FNL (Final Operational Global Analysis) analysis of data and wind function again
Rate curve carries out climbing event analysis to climbing detection device, according to the ground gas of the FNL different periods that analysis of data provides again
Pressure data draw out corresponding potential map, analyze weather system that may be present by the potential map, and combine wind power bent
Line, and then observe and climbing event whether occurs, to improve the accuracy of climbing event detection；
Further, prior-warning device obtains climbing event information provided in climbing detection device, the climbing event
There are five token states for tool: duration, climbing amount, climbing rate, climbing direction and beginning and ending time, prior-warning device will climb accordingly
LCD display of the slope event message transmission to prior-warning device；
Further, prior-warning device can carry out grade classification to corresponding climbing event, and be shown in early warning LCD display device
In, so that technician makes corresponding limited control；
Further, consider the extension in device later period, the also reserved RS485 of main acquisition device and RS232 interface.
The utility model has the advantages that compared with prior art, the utility model beneficial effect achieved is:
A kind of climbing event detection device described in the utility model, relates to the hot topic in current wind-powered electricity generation field, i.e.,
For the prediction of wind power climbing event.On existing climbing event prediction basis, it is contemplated that caused by weather system
It influences；It joined GPRS wireless network communication module, improve transmitted data rates, improve the ability of telecommunication；Together
When also assure wind power plant can be realized reliability, real-time transmission；In addition, device provided by the utility model is convenient for technician
Profound analysis is carried out to climbing information, ensure that the accuracy to the climbing event prediction assessment of wind power.
Detailed description of the invention
Fig. 1 is the utility model climbing event detection device schematic diagram；
Fig. 2 is the utility model climbing event detection and prediction flow chart；
Fig. 3 is the wind power curve schematic diagram of the utility model climbing event detection；
Fig. 4 is the utility model climbing detection circuit figure；
Fig. 5 is the utility model climbing event prior-warning device schematic diagram.
Specific embodiment
The technical solution of the utility model is further described with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of climbing event detection device described in the utility model, including main acquisition device, meteorological number
According to collector, climbing detection device and prior-warning device；
Main acquisition device includes master controller, a variety of meteorological data sensors, power module, GPRS module, main acquisition LCD
Display module, GPS module and the module that reports an error.Wherein, a variety of meteorological data sensors include air velocity transducer, wind direction sensing
Device, temperature sensor, baroceptor, humidity sensor；A variety of meteorological data sensor outputs and main acquisition fill
Set connected, for the visuality for realizing data, main acquisition device is also equipped with main acquisition LCD display module, main to realize telecommunication
Acquisition device selects GPRS module to be communicated with teledata platform, and the output end of GPS module is connected with controller；In order to add
Strong telecommunication, the utility model joined GPRS wireless network communication module, and which raises required transmitted data rates, mention
The high ability of telecommunication, while also assuring that wind power plant can be realized reliability, real-time transmission；GPS positioning module can
Acquired wind power plant location information is transferred to main acquisition device, the data of a variety of meteorological data sensor acquisitions are transferred to master and adopt
Acquisition means；The wind power plant geographical location information that is transmitted, collected meteorological data are shown in main acquisition LCD display module；One
When transmission data transmission fault or Network Abnormal occurs in denier, the module that reports an error in main acquisition device will start, and report an error
Prompt operator's error message；
Acquire it is errorless after data be transmitted to climbing detection device, which includes climbing detection circuit, and upper climbing detects
Device and lower climbing detector.Referring to shown in Fig. 2, formula is selected in specific event definition of climbing for specific detection and prediction link | P (T+
△T)-P(T)|>Pthreshold, wherein △ T refers to time interval, is chosen for 15 minutes, and P (T) refers to the wind-powered electricity generation at T moment
Power, P (T+ △ T) refer to the wind power at (T+ △ T) moment, PthresholdRefer to threshold value；As P (T+ △ T) > P (T),
PthresholdIt is chosen for 20%PNIf P (T+ △ T) and P (T) difference are more than Pthreshold, it is at this time upper climbing；As P (T+ △ T)
When < P (T), PthresholdIt is chosen for 15%PNIf P (T) and P (T+ △ T) difference are more than Pthreshold, it is at this time lower climbing；PN
For specified installed capacity.
Climbing event detection is carried out according to the definition of climbing event, and utilizes FNL in WRF analysis of data and wind power again
Curve carries out climbing event analysis to climbing detection device.Wherein, specific weather system statistics is according to FNL analysis of data again
The corresponding potential map that the surface pressure data of the different periods of offer are drawn out analyzes weather system that may be present；This
Outside, analyze also needs to carry out corresponding Time-distribution statistics, wind regime characteristic statistics and the upper climbing to being occurred in link
Number statistics is carried out with lower climbing；In turn, it is effectively controlled for the climbing event of next step and more advantageous informations is provided.
The climbing detection device circuit of the utility model is as shown in figure 4, climbing detection circuit includes operational amplifier U1, fortune
Calculate amplifier U2, resistance R0, resistance R1, resistance R2, forward diode VD1, backward dioded VD2, input terminal Vin, regulation electricity
Press VH, assigned voltage VL, output end vo ut1, output end vo ut2, capacitor C0, capacitor C1, capacitor C2；Wherein, main acquisition device
Output as climbing detection circuit input Vin, it is specified that voltage VH is Vin under normal output 150%, it is specified that voltage VL is
It is normal to export the 50% of lower Vin；The input terminal Vin is connected with resistance R0；The one end the capacitor C0 is connected with resistance R0, another
End ground connection；The one end the capacitor C1 is connected with resistance R1, other end ground connection；The operational amplifier U1 anode and resistance R1 phase
Even, cathode is connected with voltage VH, and output end is connected with forward diode VD1；The forward diode VD1 and output end vo ut1
It is connected；The one end the capacitor C2 is connected with resistance R2, other end ground connection；The operational amplifier U2 cathode is connected with resistance R2,
Anode is connected with voltage VL, and output end is connected with backward dioded VD2；The backward dioded VD2 and output end vo ut2 phase
Even；The output end vo ut1 is connected with upper climbing detector, and output end vo ut2 is connected with lower climbing detector；Operating mode is such as
Under:
When high level signal Vin current potential be higher than assigned voltage VH, be equivalent to comparison circuit at this time and be just saturated output；Low level
Signal Vin current potential is lower than assigned voltage VL, is equivalent to the short-circuit negative saturation output of comparison at this time；Use two operational amplifiers
U1, U2, the input signal Vin after digital-to-analogue conversion flows separately through operational amplifier U1, U2, and divides with assigned voltage VH, VL
Do not compare, signal is simultaneously transmitted in upper climbing detector by Vout1=Vin-VH by analog-to-digital conversion, using forward diode
VD1 avoids Vout1 from exporting negative value, and signal is simultaneously transmitted in lower climbing detector by analog-to-digital conversion, adopts by Vout2=VL-Vin
Vout2 is avoided to export positive value with backward dioded VD2；
The prior-warning device of the utility model is as shown in Figure 5, wherein the control chip of prior-warning device is using at AT91RM9200
Device is managed, the climbing information that climbing detection device obtains is transferred in the control chip of prior-warning device by CAN bus, prior-warning device
The climbing event information is stored in the ROM；In case of climbing event, control chip will start alarm, and by phase
The climbing event message transmission answered is into early warning LCD display；
Power supply in prior-warning device is made of AC220V/DC3.3V power conversion module and rechargeable battery pack, power supply
Conversion module is by being converted to DC3.3V for AC220V as control chip power supply；In order to guarantee can also to continue working in the absence of power,
Rechargeable battery pack has been accessed, can not only give control chip power supply, while being also able to achieve and charging to rechargeable battery pack；
In case of power-off, then uninterruptible power supply power supply is realized to control chip power supply by rechargeable battery pack；
The climbing event message transmission predicted will climb event into prior-warning device according to the characteristics of climbing event change
It is divided into slowly climbing, quickly climbing and complicated climbing type three types；The climbing event wind power curve such as Fig. 3 institute detected
Show can be seen that five token states that climbing event and event of climbing whether occurs by wind power curve；And it will be acquired
The climbing amount of climbing event, time of climb, beginning and ending time, climbing direction and climbing type be shown in prior-warning device
On LCD LCD screen, so that technical staff makes corresponding coordinated scheduling decision to climbing event according to display information.
The technical solution of the utility model is not limited to the above embodiment, all technical sides for selecting equivalent replacement mode to obtain
Case is all fallen in the range of the requires of the utility model protection.
Claims (8)
1. a kind of climbing event detection device, it is characterised in that: including main acquisition device, meteorological data collection device, climbing detection
Device and prior-warning device, the main acquisition device is connected by CAN bus with the meteorological data collection device, total by CAN
Line is connected with the climbing detection device, and the climbing detection device is connected by CAN bus with the prior-warning device.
2. a kind of climbing event detection device according to claim 1, it is characterised in that: the main acquisition device includes master
Controller, meteorological data sensor, power module, GPRS module, main acquisition LCD display, GPS module and the module that reports an error；
The master controller uses AT91RM9200-QU chip processor, the IO of the meteorological data sensor and the master controller
Mouth is connected, and the power module is connected with the master controller by SATA interface, the LCD display and the master controller
It is connected by the port HDMI, the GPS module and the GPRS module are all made of RS232 and are serially connected with the master controller,
The module that reports an error is connected with the master controller by CAN bus.
3. a kind of climbing event detection device according to claim 2, it is characterised in that: the meteorological data sensor packet
Include air velocity transducer, wind transducer, temperature sensor, baroceptor, humidity sensor；The air velocity transducer is selected
NRG#40H model air velocity transducer, the wind transducer select NRG#200 model wind transducer, the temperature sensor
NRG#110S model temperature sensor is selected, the baroceptor selects NRG#BP20 model baroceptor, the humidity
Sensor selects model NRG#RH-5 humidity sensor.
4. a kind of climbing event detection device according to claim 2 or 3, it is characterised in that: the GPS module selects north
Struggle against EG12-BZ chip.
5. a kind of climbing event detection device according to claim 2 or 3, it is characterised in that: the GPRS module is selected
RDA8851 type GPRS chip.
6. a kind of climbing event detection device according to claim 1 to 3, it is characterised in that: the climbing detection
Device includes climbing detection circuit, upper climbing detector and lower climbing detector, and the climbing detection circuit includes operation amplifier
Device U1, operational amplifier U2, resistance R0, resistance R1, resistance R2, forward diode VD1, backward dioded VD2, input terminal Vin,
Assigned voltage VH, assigned voltage VL, output end vo ut1, output end vo ut2, capacitor C0, capacitor C1, capacitor C2；The input terminal
Vin is connected with resistance R0；The one end the capacitor C0 is connected with resistance R0, other end ground connection；The one end the capacitor C1 and resistance R1
It is connected, other end ground connection；The operational amplifier U1 anode is connected with resistance R1, and cathode is connected with voltage VH, output end with just
It is connected to diode VD1；The forward diode VD1 is connected with output end vo ut1；The one end the capacitor C2 and resistance R2 phase
Even, other end ground connection；The operational amplifier U2 cathode is connected with resistance R2, anode be connected with voltage VL, output end with reversely
Diode VD2 is connected；The backward dioded VD2 is connected with output end vo ut2；The output end vo ut1 and upper climbing detect
Device is connected, and output end vo ut2 is connected with lower climbing detector.
7. a kind of climbing event detection device according to claim 6, it is characterised in that: the upper climbing detector is under
Detector of climbing uses digit chip detector, the model AT91RM9200 chip processor of selection；The upper climbing detection
Device is connected with the Vout1 output end of climbing detection circuit, the Vout2 output end of the lower climbing detector and detection circuit of climbing
It is connected；The climbing information that upper climbing detector and lower climbing detector will test is transmitted to prior-warning device by CAN bus.
8. a kind of climbing event detection device according to claim 1, it is characterised in that: the control core of the prior-warning device
Piece uses AT91RM9200 processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821698315.8U CN209311568U (en) | 2018-10-19 | 2018-10-19 | A kind of climbing event detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821698315.8U CN209311568U (en) | 2018-10-19 | 2018-10-19 | A kind of climbing event detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209311568U true CN209311568U (en) | 2019-08-27 |
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ID=67671186
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821698315.8U Active CN209311568U (en) | 2018-10-19 | 2018-10-19 | A kind of climbing event detection device |
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| Country | Link |
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| CN (1) | CN209311568U (en) |
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2018
- 2018-10-19 CN CN201821698315.8U patent/CN209311568U/en active Active
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