CN206421006U - Wind turbines monitoring system - Google Patents
Wind turbines monitoring system Download PDFInfo
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- CN206421006U CN206421006U CN201720004076.0U CN201720004076U CN206421006U CN 206421006 U CN206421006 U CN 206421006U CN 201720004076 U CN201720004076 U CN 201720004076U CN 206421006 U CN206421006 U CN 206421006U
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- monitoring system
- wind turbines
- temperature
- overtemperature signal
- voltage drop
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Abstract
The utility model discloses a kind of Wind turbines monitoring system, aim to provide a kind of Wind turbines monitoring system that Voltage Drop device is automatically cut off when reactor temperature is too high, its drip irrigation device is to include temperature-detecting device, threshold decision device and wireless communication apparatus etc., the temperature of reactor in low pressure falling device is detected by temperature-detecting device, and be compared detected value with maximum temperature threshold value by threshold decision device, when reactor temperature exceedes maximum temperature threshold value, threshold decision device sends overtemperature signal to automaton and wireless communication apparatus simultaneously, automaton is in response to loop where overtemperature signal cut Voltage Drop device；Wireless communication apparatus is after overtemperature signal is received by overtemperature signal by being wirelessly transferred the warning output device being sent to positioned at remote monitoring terminal, warning output device is warned in response to overtemperature signal so that the staff positioned at remote monitoring terminal learns the situation in time.
Description
Technical field
The utility model is related to monitoring of tools field, more particularly to a kind of Wind turbines monitoring system.
Background technology
Wind-driven generator, is that wind energy is converted into mechanical work, the rotation of mechanical work rotor driven, the electricity of final output alternating current
Power equipment.
At present, the wind-power electricity generation of China has come into an extensive development stage, to ensure that power system security is steady
Fixed operation, it is desirable to which the Wind turbines being incorporated into the power networks must possess low voltage ride-through capability, i.e., occur a certain degree of disturb in power network
During dynamic or failure, Wind turbines still are able to holding and are incorporated into the power networks, it is to avoid large area off-grid is impacted to power network.IEC standard is pushed away
Recommend using the Circuit Breaker Switching reactor formula Voltage Drop device based on impedance voltage divider principle, in the actual production of Wind turbines grid entry point
Raw Voltage Drop, detects the low voltage ride-through capability of Wind turbines.
During Voltage Drop device works, the temperature of reactor can be raised due to each side, work as height
To a certain degree when Voltage Drop device can be caused damage.
Utility model content
The purpose of this utility model is to provide a kind of Wind turbines monitoring system, and it has when reactor temperature is too high certainly
The advantage of dynamic cut-out Voltage Drop device.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of Wind turbines monitoring system, including remote monitoring terminal and the monitoring system on the spot provided with Voltage Drop device
Unite, monitoring system includes reactor temp measuring system on the spot, reactor temp measuring system includes
Temperature-detecting device, is detected for the temperature in real time to reactor, and output detection value；
Threshold decision device, is connected to temperature-detecting device, a maximum temperature threshold value is preset with, for receiving detected value simultaneously
Detected value is compared with maximum temperature threshold value, overtemperature signal is exported when detected value is higher than maximum temperature threshold value；
Automaton, is connected to threshold decision device, in response to being returned where overtemperature signal cut Voltage Drop device
Road；
Wireless communication apparatus, is connected to threshold decision device, for receiving overtemperature signal and sending overtemperature signal to remote
Range monitoring terminal；
Output device is warned, remote monitoring terminal is connected to, warned in response to overtemperature signal output overtemperature.
It is arranged such, the temperature of reactor in low pressure falling device is detected in real time by temperature-detecting device, and
Detected value is compared with maximum temperature threshold value by threshold decision device, when the temperature of reactor exceedes maximum temperature threshold value
When, threshold decision device sends overtemperature signal, automaton response to automaton and wireless communication apparatus simultaneously
The loop where overtemperature signal cut Voltage Drop device；Wireless communication apparatus leads to overtemperature signal after overtemperature signal is received
The warning output device for being wirelessly transferred and being sent to positioned at remote monitoring terminal is crossed, warning output device is carried out in response to overtemperature signal
Warning so that the staff positioned at remote monitoring terminal learns the situation in time so that whole Wind turbines monitoring system tool
Have the advantages that to automatically cut off Voltage Drop device when reactor temperature is too high.
Further set：Detected value, maximum temperature threshold value are disposed as voltage analog.
Further set：Temperature-detecting device is set to DS18B20 temperature sensors.
It is arranged such, due to the self structure characteristic of DS18B20 temperature sensors so that temperature-detecting device has volume
The simple advantage of small, application method, so that the antijamming capability of temperature-detecting device is stronger, so that extraneous factor
Influence for temperature-detecting device is smaller, improves the accuracy of detection of whole temperature-detecting device.
Further set：Threshold decision device is set to comparator.
It is arranged such, due to the self-characteristic of comparator so that whole threshold decision device, which has, judges fireballing excellent
Point, and make it that working power voltage scope is wider, with single supply and the workable advantage of dual power supply.
Further set：Overtemperature signal is set to high level.
It is arranged such, automaton and warning output device is controlled by high level so that whole control
Effect processed is more outstanding, when the temperature of reactor exceedes maximum temperature threshold value, much sooner sends overtemperature signal to certainly
Dynamic control device so that automaton more rapidly cuts off loop where Voltage Drop device, so that it stops
Work, improves security.
Further set：Automaton is set to normally-closed contact relay, and the normally-closed contact relay includes coupling
It is connected to the coil of comparator output terminal, is coupled to the normally-closed contact in Voltage Drop device place loop.
It is arranged such, due to the self-characteristic of normally-closed contact relay so that whole control device, which has, expands control model
Enclose, the advantage of amplified signal, and realize by normally-closed contact relay the function of Small current control high current so that
For warning the control of output device more safe and reliable.
Further set：Coils from parallel connection of coils has fly-wheel diode.
It is arranged such, because coil can produce reverse electric current when power is off, reverse electric current can produce back-emf and make
Into loop, the back-emf is absorbed by fly-wheel diode so that fly-wheel diode is protected to normally-closed contact relay
Shield so that normally-closed contact relay more safety and stability when in use.
In summary, the utility model has the advantages that：Warning output device may be configured as alarm flashing lamp and
The combination of alarm speakers, so that using cooperatively by alarm flashing lamp and alarm speakers, receives in warning output device
During to overtemperature signal, alarm flashing lamp and alarm speakers are glistened and sounding simultaneously, so as to strengthen warning output device
Alarming effect so that staff more easily receives warning, so as to take corresponding treatment measures much sooner.
Brief description of the drawings
Fig. 1 is the circuit block diagram of the present embodiment Wind turbines monitoring system；
Fig. 2 is the circuit block diagram of the present embodiment wireless communication apparatus；
Fig. 3 is the circuit diagram of the present embodiment normally-closed contact relay；
Fig. 4 is the circuit diagram of the present embodiment wireless base station apparatus；
Fig. 5 is the circuit diagram that the present embodiment warns output device.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of Wind turbines monitoring system, as shown in Figure 1 to Figure 2, including the DS18B20 temperature in Voltage Drop device
Sensor is spent, DS18B20 temperature sensors carry out detecting and output detection value to the reactor temperature in Voltage Drop device,
DS18B20 temperature sensors are connected with comparator, and comparator exports overtemperature signal when detected value exceedes maximum temperature threshold value, its
Middle detected value and maximum temperature threshold value are set to voltage analog, and overtemperature signal is set to high level.Comparator is connected with normally closed
Contact relay, the normally-closed contact of normally-closed contact relay is connected in the loop where Voltage Drop device.
Comparator is also associated with wireless base station apparatus, and remote monitoring terminal is connected with radio receiver, wireless transmission dress
Put by base station progress wireless connection between radio receiver, radio receiver is connected to alarm speakers and police
Show flash lamp.
As shown in figure 3, comparator is set to LM393 comparators, the in-phase input end of comparator inputs a reference voltage, i.e.,
Maximum temperature threshold value, the anti-phase input of comparator is coupled to DS18B20 temperature sensors, and the output end of comparator is coupled to meter
When circuit, timing circuit includes counter, register and crystal oscillator, and the output end of timing circuit is coupled to the grid of metal-oxide-semiconductor,
The two ends in loop, normally-closed contact relay where the source electrode of metal-oxide-semiconductor and drain electrode are respectively coupled to the coil of normally-closed contact relay
Coils from parallel connection of coils have a fly-wheel diode, the normally-closed contact of normally-closed contact relay is coupled to loop where low pressure falling device.
As shown in Fig. 4 to Fig. 5, the output end of timing circuit is coupled to wireless base station apparatus, and wireless base station apparatus wirelessly connects
Base station is connected to, base station is also wirelessly connected with radio receiver, and the output end of radio receiver is coupled to the grid of metal-oxide-semiconductor,
The two ends in loop where the source electrode of metal-oxide-semiconductor and drain electrode are respectively coupled to alarm flashing lamp, alarm flashing lamp is also parallel with police simultaneously
Show loudspeaker.
When Voltage Drop device is operated, DS18B20 temperature sensors are in real time to reactor in Voltage Drop device
Temperature detected, when temperature is normal, detected value be less than maximum temperature threshold value, so LM393 comparators export low level,
Now the grid of metal-oxide-semiconductor is low level, so metal-oxide-semiconductor is not turned on, and does not have electric current in the coil of normally-closed contact relay, normally closed to touch
Point is kept closed, and Voltage Drop device is normally carried out work；At the same time wireless base station apparatus is without action.
When the temperature of reactor in Voltage Drop device is higher than maximum temperature threshold value, so the high electricity of LM393 comparators output
Flat, now the grid of metal-oxide-semiconductor is high level, and now metal-oxide-semiconductor is turned on, and has electric current to flow through in the coil of normally-closed contact relay, institute
Disconnected with now normally-closed contact, Voltage Drop device is because the loop where itself is cut off and is stopped；At the same time, nothing
Line dispensing device sends overtemperature signal to base station in response to overtemperature signal, and overtemperature signal is high level, and overtemperature is again believed in base station
Number send to radio receiver, radio receiver is output it after overtemperature signal is received, now alarm flashing lamp
The grid of the metal-oxide-semiconductor in place loop is high level, so this metal-oxide-semiconductor is turned on, the loop conducting where alarm flashing lamp is now warned
Show that flash lamp carries out flash caution, while alarm speakers carry out sound warning.
The above embodiments are only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in right of the present utility model by Patent Law.
Claims (7)
1. a kind of Wind turbines monitoring system, including remote monitoring terminal and the monitoring system on the spot provided with Voltage Drop device,
It is characterized in that：The monitoring system on the spot includes reactor temp measuring system, and reactor temp measuring system includes
Temperature-detecting device, is detected for the temperature in real time to reactor, and output detection value；
Threshold decision device, is connected to temperature-detecting device, is preset with a maximum temperature threshold value, for receiving detected value and will examine
Measured value is compared with maximum temperature threshold value, and overtemperature signal is exported when detected value is higher than maximum temperature threshold value；
Automaton, is connected to threshold decision device, in response to loop where overtemperature signal cut Voltage Drop device；
Wireless communication apparatus, is connected to threshold decision device, for receiving overtemperature signal and sending overtemperature signal to long-range prison
Control terminal；
Output device is warned, remote monitoring terminal is connected to, warned in response to overtemperature signal output overtemperature.
2. Wind turbines monitoring system according to claim 1, it is characterised in that：Described detected value, maximum temperature threshold
Value is disposed as voltage analog.
3. Wind turbines monitoring system according to claim 1, it is characterised in that：Described temperature-detecting device is set to
DS18B20 temperature sensors.
4. Wind turbines monitoring system according to claim 1, it is characterised in that：Described threshold decision device is set to
Comparator.
5. Wind turbines monitoring system according to claim 1, it is characterised in that：Described overtemperature signal is set to high electricity
It is flat.
6. Wind turbines monitoring system according to claim 1, it is characterised in that：Described automaton is set to
Normally-closed contact relay, the normally-closed contact relay includes being coupled to the coil of comparator output terminal, is coupled to Voltage Drop
The normally-closed contact in loop where device.
7. Wind turbines monitoring system according to claim 6, it is characterised in that：Described coils from parallel connection of coils has the pole of afterflow two
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720004076.0U CN206421006U (en) | 2017-01-02 | 2017-01-02 | Wind turbines monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720004076.0U CN206421006U (en) | 2017-01-02 | 2017-01-02 | Wind turbines monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206421006U true CN206421006U (en) | 2017-08-18 |
Family
ID=59574148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720004076.0U Active CN206421006U (en) | 2017-01-02 | 2017-01-02 | Wind turbines monitoring system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206421006U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727254A (en) * | 2017-10-16 | 2018-02-23 | 广东电网有限责任公司清远供电局 | A kind of reactor running temperature wireless real-time monitoring device |
| CN108749246A (en) * | 2018-04-18 | 2018-11-06 | 南通达成包装制品有限公司 | The single watt of machine with temp monitoring function |
-
2017
- 2017-01-02 CN CN201720004076.0U patent/CN206421006U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727254A (en) * | 2017-10-16 | 2018-02-23 | 广东电网有限责任公司清远供电局 | A kind of reactor running temperature wireless real-time monitoring device |
| CN108749246A (en) * | 2018-04-18 | 2018-11-06 | 南通达成包装制品有限公司 | The single watt of machine with temp monitoring function |
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