CN212296724U - Auxiliary control integrated acquisition module and auxiliary control platform for offshore wind generating set - Google Patents
Auxiliary control integrated acquisition module and auxiliary control platform for offshore wind generating set Download PDFInfo
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- CN212296724U CN212296724U CN202020817542.9U CN202020817542U CN212296724U CN 212296724 U CN212296724 U CN 212296724U CN 202020817542 U CN202020817542 U CN 202020817542U CN 212296724 U CN212296724 U CN 212296724U
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Abstract
An auxiliary control integrated acquisition module and an auxiliary control platform for an offshore wind generating set are disclosed, wherein the auxiliary control integrated acquisition module is characterized by comprising a main control unit and a plurality of sub-units; each subunit is used for connecting a subsystem signal monitoring module of control fan state, each subunit with the master control unit communication is connected, be used for connecting control platform's well accuse server on the master control unit, it includes the master control module to assist accuse integrated collection module and be used for detecting a plurality of subsystem signal monitoring modules of fan state, wherein the master control module includes well accuse server. The utility model discloses with the unified output of the signal that subsystem signal monitoring module collected, the management and control of being convenient for.
Description
Technical Field
The utility model relates to a wind power generation technical field especially relates to an integrated collection module of accuse and auxiliary control platform are used to offshore wind generating set.
Background
In China, the wind energy reserve is very large and wide in distribution, the land wind energy reserve is about 2.53 hundred million kilowatts, and in recent years, the wind power market develops rapidly under the background of national policy support and energy supply tension. In order to ensure the safe operation of the wind turbine generator, each monitoring system is required to monitor the operation state of a generator set component, in the prior art, each component monitoring system operates independently, a plurality of monitoring systems are independently responsible for each professional department, unified planning is not available, and a data acquisition system, a server software are matched, communication network construction, a client computer and the like have repeated construction problems. Moreover, the working efficiency is low, the maintenance is time-consuming and labor-consuming, all subsystem suppliers need to send people to debug during installation and debugging, particularly, on the sea, the personnel are numerous, the completion can not be completed at one time, in addition, the protocols of all the subsystems are not uniform, a lot of data can not be subjected to linkage analysis, and the problem of high data acquisition volatility exists. In addition, the installation positions and the processes in the cabinet are irregular.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a problem to the wind turbine generator system monitoring system that exists among the prior art independent operating efficiency is low, difficult maintenance, the precision is poor, and provide an integrated collection module of auxiliary control for offshore wind turbine generator system, with the unified output of the signal that subsystem signal monitoring module collected, the management and control of being convenient for.
The utility model discloses a still another purpose provides based on assist the integrated collection module of accuse offshore wind generating set with assisting accuse platform.
For realizing the utility model discloses a technical scheme that the purpose adopted is:
an auxiliary control integrated acquisition module for an offshore wind generating set comprises a main control unit and a plurality of sub-units; each subunit is used for being connected with a subsystem signal monitoring module for monitoring the state of the fan, and each subunit is in communication connection with the main control unit.
And each subunit is in communication connection with the main control unit through a CAN bus output interface and/or a digital IO output interface. And the sub-unit is provided with a CAN bus input interface, an analog input interface (4-20mA analog interface), an RS485 hardware interface, an RS232 hardware interface, a digital IO input interface and/or a network port so as to be connected with the corresponding sub-system signal monitoring module.
The auxiliary control integrated acquisition module further comprises a power supply unit, the power supply unit supplies power to the main control unit and the sub-units, the main control unit is a PC, the sub-units are connected with the PC through a CAN, and each sub-unit is further provided with a power switch and an indicator lamp.
The subunit includes microcontroller, respectively with 485 transceiver module, 232 transceiver module, CAN transceiver module, net gape control chip that microcontroller is connected to and power stabilization module, microcontroller with PC passes through CAN line connection.
The model of the microcontroller is STM32F407IGT 6;
a PB5_ ULPI _ D7 pin of the microcontroller is connected with a CAN2_ RX pin of a CAN wire, a PB13_ ULPI _ D6 pin is connected with a CAN2_ TX pin of the CAN wire, a PD0_ FSMC _ D2 pin is connected with a CAN1_ RX pin of the CAN wire, and a PD1_ FSMC _ D3 pin is connected with a CAN1_ TX pin of the CAN wire;
the microcontroller is connected with JP2, JP3 and JP 4;
the model of the 485 transceiver module is TD322D485H-A, and pins TXD1, RXD1, TXD2 and RXD2 of the 485 transceiver module are respectively connected with pins 51, 52, 39 and 40 of JP 4;
the model of the 232 transceiver module is TD301D232H, and pins TXD and RXD of the 232 transceiver module are respectively connected with pins 31 and 32 of JP 3;
the model of the CAN transceiver module is TD322DCAN, and pins CAN1_ RX, CAN1_ TX, CAN2_ RX and CAN2_ TX of the CAN transceiver module are respectively connected with pin 52 of JP2, pin 50 of JP4 and pin 14 and pin 16 of JP 3;
the model of the network port control chip is DP IVV, pins 1-6 of the network port control chip are respectively connected with pins PC _ MII _ TX _ CLK, PG _ TX _ EN, PG _ MII _ TXD, PC _ MII _ TXD and PB _ MII _ TXD of JP, pins 43-46 are respectively connected with pins PC _ MII _ RXD, PC _ MII _ RXD and PH _ MII _ RXD of JP, pin 41 is connected with a pin P110_ MII _ RX _ ER of JP, pin 39 is connected with a pin PA _ MII _ RX _ DV of JP, pin 42 is connected with a pin PH _ MII _ COL of JP, pin 40 is connected with a pin PH _ MII _ CRS of JP, pin 31 is connected with a pin PC _ MII _ MDC of JP, pin 30 is connected with a pin PA _ MII _ MDIO of JP, pin 7 is connected with a pin PB _ MII _ INT of JP, and pin 25 is connected with PA _ MII _ CLK of JP;
the model of the power stabilizing module is URB2405YMD-6WR 3.
On the other hand, the utility model discloses an auxiliary control platform for offshore wind generating set, including the main control module, the auxiliary control integrated acquisition module and a plurality of subsystem signal monitoring modules for detecting the fan state;
the main control module comprises a central control server; the PC is in communication connection with the photoelectric converter, the photoelectric converter is in communication connection with the central control server through optical fibers, and the main control unit is in communication connection with the central control server.
In the above technical scheme, subsystem signal monitoring module is inhomogeneous settlement monitoring module, pylon bolt load on-line monitoring module, thunder and lightning monitoring module, marine humiture environment monitoring module, marine salt spray corrosion monitoring module, marine hydrogen sulfide gas body monitoring module, fan tower section of thick bamboo door state monitoring module, submarine cable monitoring module, marine ship monitoring module, cathodic protection monitoring module and electrical equipment insulation on-line monitoring module, salt spray detection module, CMS vibration monitoring module, on-line fluid monitoring module, cabin bolt load on-line monitoring module, blade monitoring module, motor displacement monitoring module, wireless network communication module, IP voice module, automatic fire control module, video monitoring module, entrance guard's module, arbitrary multiple in the wireless receiver.
In the above technical solution, the main control module includes a central control server, a client connected to the central control server in a communication manner, and a remote monitoring center connected to the client in a communication manner.
In the above technical scheme, each subsystem signal monitoring module includes a sensor for detecting a state of the fan and a submodule processor in communication connection with the sensor, and the submodule processor is connected with an RS485/RS232 hardware interface, a digital IO input interface or a CAN bus input interface on the subunit.
In the above technical solution, the salt spray detection module, the offshore salt spray corrosion monitoring module, the tower barrel shaking and non-uniform settlement monitoring module, the cathode protection monitoring module, the tower bolt load online monitoring module, and the offshore hydrogen sulfide gas monitoring module are respectively connected to RS485 hardware interfaces of the corresponding subunits;
the fan tower drum door state monitoring module and the automatic fire-fighting module are respectively connected with digital IO input interfaces of the corresponding subunits;
the marine temperature and humidity environment monitoring module and the CMS vibration monitoring module are respectively connected with the digital IO input interfaces of the corresponding subunits;
the wireless network communication module, the IP voice module, the automatic fire-fighting module, the video monitoring module, the entrance guard module and the wireless receiver are connected with the CAN bus input interface of the corresponding subunit.
In the technical scheme, two auxiliary control integrated acquisition modules are arranged, namely a first integrated acquisition module arranged on a tower footing and a second integrated acquisition module arranged on an engine room;
the main units in the first integrated acquisition module and the second integrated acquisition module are respectively in communication connection with the central control server;
a plurality of subunits in the first integrated acquisition module are respectively connected with a tower barrel shaking and non-uniform settlement monitoring module, a tower barrel bolt load online monitoring module, a thunder and lightning monitoring module, a sea temperature and humidity environment monitoring module, a sea salt spray corrosion monitoring module, a sea hydrogen sulfide gas monitoring module, a fan tower barrel door state monitoring module, a submarine cable monitoring module, a sea ship monitoring module, a cathode protection monitoring module, an electrical equipment insulation online monitoring module, a wireless network communication module, an IP voice module, an automatic fire fighting module, a video monitoring module, an access control module or a wireless receiver;
a plurality of subunits in the second integrated acquisition module are respectively connected with a salt spray detection module, a CMS vibration monitoring module, an online oil monitoring module, an on-line cabin bolt load monitoring module, a blade monitoring module, a motor displacement monitoring module, an on-line electrical equipment insulation monitoring module, a generator insulation monitoring module, a wireless network communication module, an IP voice module, an automatic fire-fighting module, a video monitoring module, an entrance guard module or a wireless receiver.
In the technical scheme, the wireless receiver is in wireless communication connection with a blade monitoring module arranged on the hub, and the blade monitoring module comprises a blade sensor and a bolt sensor.
In the above technical scheme, automatic fire control module includes fire detector, gaseous fire extinguishing controller, aerosol gas extinguishing device and fire alarm mechanism, wherein:
the fire detector through switching value output line with the input port of gaseous fire extinguishing controller is connected, the output port of gaseous fire extinguishing controller is connected with fire alarm mechanism through the fire alarm signal line, the output port of gaseous fire extinguishing controller pass through gaseous fire control line with the electric heat type drive arrangement of gaseous extinguishing device of aerosol is connected, gaseous fire extinguishing controller is connected with the digital IO input interface communication of the subunit that corresponds.
The fire detector comprises a carbon monoxide detector and a temperature sensing cable which are arranged in a cabinet protection area, and an ultraviolet flame detector and an infrared flame detector which are arranged in a public area protection area, wherein an emergency start-stop button is arranged on the gas fire extinguishing controller, and the emergency start-stop button is controlled by manual control or the fire detector to be opened.
The CMS vibration monitoring module comprises a vibration acceleration sensor and a key phase rotation speed sensor which are arranged on a gear, a bearing or a blade, the vibration acceleration sensor and the rotation speed sensor are connected with a simulation input port of a vibration monitoring controller, and the vibration monitoring controller is in communication connection with a simulation quantity input interface of a corresponding subunit.
The salt fog detection module comprises first wetting degree monitoring equipment arranged inside the tower, the first wetting degree monitoring equipment is in communication connection with the first salt fog controller, and the first salt fog controller is connected with an RS485 hardware interface of the corresponding subunit.
The offshore salt spray corrosion monitoring module comprises second wettability monitoring equipment arranged in an offshore wind turbine generator cabin, the second wettability monitoring equipment is in communication connection with a second salt spray controller, and the second salt spray controller is in communication connection with an RS485 hardware interface of a corresponding subunit.
The cathode protection monitoring module comprises a pile body and a jacket which are respectively arranged on the offshore booster station of the offshore wind power plant and a cathode protection potentiometer of each fan foundation pile, the cathode protection potentiometer is in communication connection with a cathode protection potential processor, and the cathode protection potential processor is connected with an RS485 hardware interface of the corresponding subunit.
The offshore hydrogen sulfide gas monitoring module comprises a hydrogen sulfide sensor assembled on a base cover plate stand column, a ventilator assembled on the surface of a base cover plate platform, an exhaust pipeline communicated with the ventilator and a power supply module, wherein the inlet of the exhaust pipeline is positioned in a tower barrel, the outlet of the exhaust pipeline is positioned outside the tower barrel to remove hydrogen sulfide gas, the hydrogen sulfide sensor is in communication connection with a hydrogen sulfide controller, the hydrogen sulfide controller is connected with an RS485 hardware interface of a corresponding subunit, and the hydrogen sulfide controller is electrically connected with the ventilator through a relay.
The online monitoring module for the bolt load of the tower comprises first stress sensors arranged on a blade root and a tower flange, the first stress sensors are in communication connection with first stress controllers, and the first stress controllers are connected with RS485 hardware interfaces of corresponding subunits; the on-line monitoring module for the bolt load of the engine room comprises a second stress sensor arranged on a corresponding bolt of the engine room, the second stress sensor is in communication connection with a second stress controller, and the second stress controller is connected with an RS485 hardware interface of a corresponding subunit.
The online oil monitoring module comprises an oil monitoring sensor arranged in a gear box, the oil monitoring sensor is in communication connection with a wear monitoring controller, and the wear monitoring controller is connected with an RS485 hardware interface or an analog input interface of a corresponding subunit.
The blade monitoring module comprises a blade sensor and a bolt sensor which are arranged on a hub, and a bolt/blade wireless receiver which is arranged on a cabin, the blade sensor and the bolt sensor are in wireless communication with the bolt/blade wireless receiver, and the bolt/blade wireless receiver is in communication connection with the second integrated acquisition module.
The tower barrel shaking and non-uniform settlement monitoring module comprises an inclination angle sensor arranged on a tower footing and an inclination angle sensor arranged in an engine room, wherein the inclination angle sensor is connected with an RS485 hardware interface or an analog input interface of a corresponding subunit through a collecting instrument, and the tower barrel shaking monitoring module further comprises an alarm which is in communication connection with a main board of the first integrated collecting module.
The lightning monitoring module comprises a detector for detecting the electrical performance of the zinc oxide arrester, the detector is in communication connection with a detection controller, and the detection controller is connected with an RS485 hardware interface or an analog input interface of a corresponding subunit.
The IP voice module is an IP telephone and a telephone control module in communication connection with the IP telephone, and the telephone control module is connected with a CAN bus input interface or an Ethernet interface of the corresponding subunit.
The electrical equipment insulation online monitoring module comprises an insulation sensor assembled on a corresponding electrical cabinet, the insulation sensor is in communication connection with an electrical controller, and the electrical controller is connected with an RS485 hardware interface or an analog input interface of a corresponding subunit.
The submarine cable monitoring module comprises a submarine cable temperature monitor, a submarine cable disturbance monitor and a submarine cable stress monitor, the submarine cable temperature monitor is in communication connection with a temperature monitoring host, the submarine cable disturbance monitor is in communication connection with the submarine cable disturbance host, the submarine cable stress monitor is in communication connection with a stress monitoring host, and the temperature monitoring host, the submarine cable disturbance host and the stress monitoring host are respectively connected with RS485 hardware interfaces or analog input interfaces of corresponding subunits.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a unified supplementary monitoring platform carries out the integrated simplification of standard, can reduce cost on the one hand, and on the other hand is convenient to be maintained, the work load that significantly reduces. The utility model has the advantages of through providing an auxiliary control system to wind generating set's each item monitoring system planning, for wind generating set health care navigation under the low-cost condition.
2. The utility model discloses reduced wind generating set control system's cost, realized that each monitoring module (all subsystems) are unified, to integrating including computer software, hardware, operating system technique, database technique, network communication technique etc. to and different subsystems, the integration of collocation, the wholeness can reach the optimum, the utility model discloses an auxiliary control system data adopts and integrates, the modularization, can upgrade and extensible system, is efficient, the system of symmetrical, the scalability of performance and maintainability.
3. Aiming at the structure, variable working condition operation and complex operation environment of the core component of the wind turbine generator, the remote monitoring, fault early warning and diagnosis of the operation state of the wind turbine generator are realized by adopting a state monitoring and fault diagnosis technology through various data acquisition modes such as an online monitoring unit and offline equipment, a scientific basis is provided for optimizing a maintenance plan, and the availability of the wind turbine generator is improved.
Drawings
Fig. 1 is a block diagram of a system according to embodiment 1.
Fig. 2 is a system block diagram of embodiment 2.
Fig. 3(a) shows the pin connection relationship between JP2 and the microcontroller, and fig. 3(b) shows the connection pins between JP2 and each transceiver module and the network interface control chip.
Fig. 4(a) shows the pin connection relationship between JP3 and the microcontroller, and fig. 4(b) shows the connection pins between JP3 and each transceiver module and the network interface control chip.
Fig. 5(a) shows the pin connection relationship between JP4 and the microcontroller, and fig. 5(b) shows the connection pins between JP4 and each transceiver module and the network interface control chip.
Fig. 6 is a circuit diagram of a 485 transceiver module.
Fig. 7 is a circuit diagram of a 232 transceiver module.
Fig. 8 is a circuit diagram of a CAN transceiver module.
Fig. 9 is a circuit diagram of a power stabilizing module.
Fig. 10 is a circuit diagram of the network port control chip.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1, an auxiliary control integrated acquisition module for an offshore wind turbine generator system includes a main control unit and a plurality of sub-units;
each subunit is used for being connected with a subsystem signal monitoring module for monitoring the state of the fan, each subunit is in communication connection with the main control unit, and the main control unit is used for being connected with a central control server of a control platform.
Through the auxiliary control integrated acquisition module, a plurality of subsystem signal monitoring modules used for monitoring the state of the fan can be integrated and then connected to the central control server, and convenience in construction, debugging and maintenance of the offshore wind turbine monitoring system is improved.
A plurality of subsystem signal monitoring module are used for monitoring different fan states, for example thunder and lightning monitoring, humiture monitoring, bolt load monitoring, salt fog monitoring, cathodic protection monitoring and so on. The main board and the subunits can be assembled in the box body, so that the auxiliary control integrated acquisition module can be conveniently assembled on a tower frame or a tower footing.
Furthermore, the auxiliary control integrated acquisition module further comprises a power supply unit, and the power supply unit supplies power to the main control unit and the sub-units.
Furthermore, each subunit is in communication connection with the main control unit through a CAN bus output interface and/or a digital IO output interface. And the sub-units are provided with a CAN bus input interface, an analog input interface (4-20mA analog interface), an RS485 hardware interface, a digital IO input interface and/or a network port which are connected to connect with the corresponding sub-system signal monitoring module. In specific application, each subsystem signal monitoring module can be connected to an appropriate interface according to the characteristics of transmission data.
The subunits are supported by the distributed three-core CPU, different tasks are processed independently, the pressure of processing various tasks by the single CPU is reduced, the real-time performance of the tasks is improved more effectively, and the distributed three-core CPU has strong data processing and analyzing capacity. The subunit has multiple protocol access functions, and has two kilomega network ports, one hundred mega network card, 4 independent isolated RS485 hardware interfaces, 2 isolated CAN bus interfaces, 8 analog quantity inputs of 4-20mA, 8 digital IO outputs and 8 digital IO inputs. Other standard products ModbusTCP and Modbus485 can conveniently access the integrated acquisition module, other non-standardized protocols can also access the integrated acquisition module through a packaging communication protocol, and the integrated acquisition module has good compatibility.
In this embodiment, the sub-unit includes a microcontroller, a power stabilizing module, a 485 transceiver module, a 232 transceiver module, a CAN transceiver module, a network port control chip, and JP2, JP3, and JP4 respectively connected to the microcontroller;
the model of the microcontroller is STM32F407IGT 6; the microcontroller is connected with the PC through a CAN wire, a PB5_ ULPI _ D7 pin of the microcontroller is connected with a CAN2_ RX pin of the CAN wire, a PB13_ ULPI _ D6 pin is connected with a CAN2_ TX pin of the CAN wire, a PD0_ FSMC _ D2 pin is connected with a CAN1_ RX pin of the CAN wire, and a PD1_ FSMC _ D3 pin is connected with a CAN1_ TX pin of the CAN wire;
the model of the 485 transceiver module is TD322D485H-A, and pins TXD1, RXD1, TXD2 and RXD2 of the 485 transceiver module are respectively connected with pins 51, 52, 39 and 40 of JP 4;
the model of the 232 transceiver module is TD301D232H, and pins TXD and RXD of the 232 transceiver module are respectively connected with pins 31 and 32 of JP 3;
the model of the CAN transceiver module is TD322DCAN, and pins CAN1_ RX, CAN1_ TX, CAN2_ RX and CAN2_ TX of the CAN transceiver module are respectively connected with pin 52 of JP2, pin 50 of JP4 and pin 14 and pin 16 of JP 3;
the model of the network port control chip is DP83848IVV, pins 1-6 of the network port control chip are respectively connected with a PC3_ MII _ TX _ CLK, a PG11_ TX _ EN, a PG13_ MII _ TXD0 and a PG14_ MII _ TXD1 of the microcontroller, pins PC2_ MII _ TXD2, PB8_ MII _ TXD3 and 43-46 are connected to pins PC4_ MII _ RXD0, PC5_ MII _ RXD1 and PH6_ MII _ RXD2 of the microcontroller, respectively, pin 41 is connected to pin P110_ MII _ RX _ ER of the microcontroller, pin 39 is connected to pin PA7_ MII _ RX _ DV of the microcontroller, pin 42 is connected to pin PH3_ MII _ COL of the microcontroller, pin 40 is connected to pin PH2_ MII _ CRS of the microcontroller, pin 31 is connected to pin PC1_ MII _ MDC of the microcontroller, pin 30 is connected to pin PA2_ MII _ MDIO of the microcontroller, pin 7 is connected to pin PB14_ MII _ INT of the microcontroller, and pin 25 is connected to pin PA1_ MII _ CLK of the microcontroller;
the power supply stabilizing module is of a URB2405YMD-6WR3 model and is connected with the microcontroller through pins.
Example 2
An auxiliary control platform for an offshore wind generating set comprises a main control module, an auxiliary control integrated acquisition module in embodiment 1 and a plurality of subsystem signal monitoring modules for detecting the state of a fan;
the main control module comprises a central control server.
More preferably, subsystem signal monitoring module is inhomogeneous settlement monitoring module, pylon bolt load on-line monitoring module, thunder and lightning monitoring module, marine humiture environment monitoring module, marine salt spray corrosion monitoring module, marine hydrogen sulfide gas body monitoring module, fan tower section of thick bamboo door state monitoring module, submarine cable monitoring module, marine ship monitoring module, cathodic protection monitoring module and electrical equipment insulation on-line monitoring module, salt spray detection module, CMS vibration monitoring module, online fluid monitoring module, cabin bolt load on-line monitoring module, blade monitoring module, motor displacement monitoring module, wireless network communication module, IP voice module, automatic fire control module, video monitoring module, entrance guard's module, arbitrary multiple in the wireless receiver.
More preferably, the main control module includes a central control server, a client communicatively connected to the central control server, and a remote monitoring center communicatively connected to the client, where the ethernet interface on the main board is connected to the central control server.
More preferably, each subsystem signal monitoring module comprises a sensor for detecting the state of the fan and a submodule processor in communication connection with the sensor, and the submodule processor is connected with an RS485/RS232 hardware interface, a digital IO input interface or a CAN bus input interface on the subunit.
More preferably, the salt spray detection module, the offshore salt spray corrosion monitoring module, the tower barrel shaking and non-uniform settlement monitoring module, the cathode protection monitoring module, the tower bolt load online monitoring module and the offshore hydrogen sulfide gas monitoring module are respectively connected with RS485 hardware interfaces of corresponding subunits;
the fan tower drum door state monitoring module and the automatic fire-fighting module are respectively connected with digital IO input interfaces of the corresponding subunits;
the marine temperature and humidity environment monitoring module and the CMS vibration monitoring module are respectively connected with the digital IO input interfaces of the corresponding subunits;
the wireless network communication module, the IP voice module, the automatic fire-fighting module, the video monitoring module, the entrance guard module and the wireless receiver are connected with the CAN bus input interface of the corresponding subunit.
Example 3
In this embodiment, two auxiliary control integrated acquisition modules are provided on the basis of embodiment 2.
The auxiliary control integrated acquisition modules are two, namely a first integrated acquisition module arranged on a tower footing and a second integrated acquisition module arranged on an engine room;
the main units of the first integrated acquisition module and the second integrated acquisition module are respectively in communication connection with the central control server;
a plurality of subunits in the first integrated acquisition module are respectively connected with a tower barrel shaking and non-uniform settlement monitoring module, a tower barrel bolt load online monitoring module, a thunder and lightning monitoring module, a sea temperature and humidity environment monitoring module, a sea salt spray corrosion monitoring module, a sea hydrogen sulfide gas monitoring module, a fan tower barrel door state monitoring module, a submarine cable monitoring module, a sea ship monitoring module, a cathode protection monitoring module, an electrical equipment insulation online monitoring module, a wireless network communication module, an IP voice module, an automatic fire fighting module, a video monitoring module, an access control module or a wireless receiver;
a plurality of subunits in the second integrated acquisition module are respectively connected with a salt spray detection module, a CMS vibration monitoring module, an online oil monitoring module, an on-line cabin bolt load monitoring module, a blade monitoring module, a motor displacement monitoring module, an on-line electrical equipment insulation monitoring module, a generator insulation monitoring module, a wireless network communication module, an IP voice module, an automatic fire-fighting module, a video monitoring module, an entrance guard module or a wireless receiver.
Still further, the IP voice module and the video monitoring module are ethernet signal modules, and the ethernet signal modules are directly connected to the subunits of the first integrated acquisition module or the second integrated acquisition module in a communication manner. The Ethernet signal module is converged to the first integrated acquisition module or the second integrated acquisition module and then transmitted to the switch of the central control server, and background software of the client directly performs communication acquisition through a TCP protocol.
The salt spray detection module is hard-wired to a subunit of the second integrated acquisition module through a 232/485 signal serial port, and the marine salt spray corrosion monitoring module, the tower barrel shaking and non-uniform settlement monitoring module, the cathode protection monitoring module and the tower bolt load on-line monitoring module are hard-wired to the first integrated acquisition module through a 232/485 signal serial port.
The fan tower door state monitoring module is connected with a corresponding digital IO input interface (switching value input channel) of a subunit of the first integrated acquisition module, and a corresponding switching value output channel of the first integrated acquisition module is connected with the central control server; the automatic fire fighting module is connected with a corresponding digital IO input interface (switching value input channel) of the first integrated acquisition module or the second integrated acquisition module, and a corresponding digital IO output interface (switching value output channel) of the first integrated acquisition module or the second integrated acquisition module is connected with the central control server. The switching value input and output channels with multiple channels of the first integrated acquisition module and the second integrated acquisition module can be connected with various switching value alarm signals and can output multi-channel switching signals for front-end control.
The maritime temperature and humidity environment monitoring module is connected with the analog quantity input channel of the first integrated acquisition module, and high-frequency acquisition is carried out on 4-20mA analog quantity such as temperature, humidity and the like through the multi-channel analog quantity input channel.
The auxiliary control system of the wind generating set further comprises a generator insulation monitoring module, and the motor insulation monitoring module is in communication connection with a controller of the wind generating set. The generator insulation monitoring master control safety system can be accessed by a fan master control signal, and data acquisition is completed by a fan PLC.
Automatic fire-fighting module
Due to the special structure and unattended operation of the wind turbine generator, the occurrence of an electrical fire is often extremely high in concealment in the early stage. Can cause fire disasters such as combustion, explosion and the like, and seriously influences the normal safe production of enterprises.
Automatic fire control module includes fire detector, gaseous fire extinguishing controller, gaseous extinguishing device of aerosol and fire alarm mechanism, wherein:
the fire detector is connected with an input port of the gas fire extinguishing controller through a switching value output line, an output port of the gas fire extinguishing controller is connected with a fire alarm mechanism through a fire alarm signal line, an output port of the gas fire extinguishing controller is connected with an electrothermal type driving device of the aerosol gas fire extinguishing device through a gas fire extinguishing control line, and the gas fire extinguishing controller is in communication connection with a digital IO input interface of the corresponding first integrated acquisition module or the second integrated acquisition module;
the gas fire extinguishing controller is connected with a 220V fire-fighting power supply through an AC220V power line and is connected with a 24V storage battery or a DC24V power supply inside the fan through a DC24V linkage power line.
Furthermore, the fire detector comprises a carbon monoxide detector and a temperature sensing cable which are arranged in a cabinet protection area, and an ultraviolet flame detector and an infrared flame detector which are arranged in a public area protection area.
Furthermore, an emergency start-stop button is arranged on the gas fire-extinguishing controller and is controlled to be opened by a manual control or a fire detector.
The automatic fire-fighting module is provided with two starting modes of automatic control and manual control. The automatic control starting mode comprises the following steps: the automatic fire-fighting module is arranged in an automatic control state, each protection area is provided with two paths of independent fire detection alarm signals, and the gas fire-fighting controller receives a first linkage trigger signal meeting a linkage logic relationship; after receiving the second linkage trigger signal, the gas fire extinguishing controller sends out a linkage control signal to start an electrothermal type driving device of a corresponding protection area of the aerosol gas fire extinguishing system so as to extinguish fire, and meanwhile, the gas fire extinguishing controller receives an action feedback signal of an emergency start-stop button (pressure switch).
Manual control starting mode: when someone works in the protection area, the automatic fire-fighting module is placed in a manual control state, and when a fire occurs in the protection area, the starting button on the emergency start-stop button of the gas fire-fighting controller can be pressed down, so that the gas fire-fighting system can be started to put out a fire. When the gas fire extinguishing system is in an automatic control state, a manual control starting mode can still be realized. When the gas fire extinguishing device is started in an automatic or manual button mode, the stop button on the emergency start-stop button can be manually pressed outside the area in a delay stage before the release is started, and further action of the system is stopped.
CMS vibration monitoring module:
when the wind driven generator operates, components such as gears, bearings, blades and the like can vibrate. Through the vibration state of each remote component, whether the current vibration magnitude and frequency are within the allowable range can be judged, and when the current vibration magnitude and frequency are not within the safe range, whether the component is deformed or damaged is judged, so that the service life of the wind driven generator can be prolonged, the fault rate of the wind driven generator is reduced, the loss caused by the fault shutdown time of the wind driven generator is reduced, and the operation and maintenance work of the fan is greatly simplified.
CMS vibration monitoring module is including deploying in the vibration acceleration sensor and the key looks rotational speed sensor of gear, bearing or blade, vibration acceleration sensor and rotational speed sensor are connected with the simulation input port of vibration monitoring controller, vibration monitoring controller with the analog quantity input interface communication of the integrated collection module of second is connected.
Marine salt fog corrosion monitoring module and salt fog detection module:
the sea salt spray corrosion monitoring module is used for carrying out online automatic remote monitoring and service on the environment salt spray concentration (salt content) in the sea wind turbine generator system cabin, and the salt spray detection module is used for carrying out online automatic remote monitoring and service on the environment salt spray concentration (salt content).
Salt fog detection module is including setting up in the inside first degree of wetting monitoring facilities of tower, first degree of wetting monitoring facilities with first salt fog controller communication is connected, first salt fog controller with first integrated collection module communication is connected.
The offshore salt spray corrosion monitoring module comprises second wettability monitoring equipment arranged in an offshore wind turbine generator cabin, the second wettability monitoring equipment is in communication connection with a second salt spray controller, and the second salt spray controller is in communication connection with the second integrated acquisition module.
The salt content of air inside a cabin and inside a tower of the wind turbine generator is transmitted to a monitoring center server, an alarm value is set according to the requirement range of the operating environment of equipment, when the environment of the cabin exceeds the set alarm value, an alarm prompt can be sent by a system, data support is provided for a regulating system, and reliable operation of a fan is guaranteed.
The salt spray deposited on the metal surface of the wettability monitoring equipment forms a thin liquid film due to moisture absorption and hydrolysis, the salt concentration in the liquid film can be obtained by measuring the admittance/impedance of the thin liquid film, and the salt spray concentration and the salt particle sedimentation rate can be calculated according to the change rule of the salt spray concentration and the salt particle sedimentation rate. Furthermore, the first wettability monitoring device and the second wettability monitoring device both adopt HX-SF-600 wettability monitoring devices, salt concentration of the thin liquid film can be measured remotely and on line, and salt mist concentration in air can be calculated, so that automatic remote information transmission and monitoring service can be realized.
Cathodic protection monitoring module
At present, the foundation structure of offshore wind power is mainly steel piles, and the protection scheme is in a cathodic protection or cathodic protection plus coating form. Therefore, the cathodic protection remote monitoring system of the foundation structural member is established, the cathodic protection state of the offshore wind power foundation steel pile can be automatically monitored in real time, technicians can conveniently know the on-site corrosion protection state in time, and early prevention is realized. And the failed sacrificial anode is replaced in time, so that the corrosion failure of the seawater pile foundation is avoided, the operation cost is reduced, and the safety accidents of the offshore wind turbine are reduced.
The cathode protection monitoring module comprises a pile body and a jacket which are respectively arranged on the offshore booster station of the offshore wind power plant and a cathode protection potentiometer of each fan foundation pile, the cathode protection potentiometer is in communication connection with a cathode protection potential processor, and the cathode protection potential processor is in communication connection with the first integrated acquisition module.
Based on the detection module, an automatic cathodic protection data acquisition and early warning system can be established, and according to the regulation of GB/T31316-2014 'seawater cathodic protection general rule', the abnormal data is judged according to the cathodic protection potential value and an automatic alarm is given;
offshore hydrogen sulfide gas monitoring module
Animal and plant feces, corpse remains and the like in the sea mud of the wind turbine foundation (particularly of a steel pile structure) are decomposed under the action of anaerobic sulfate reducing bacteria to generate hydrogen sulfide gas. Since its density is heavier than air, it gradually accumulates in the bottom tower and the risk factor gradually increases.
The marine hydrogen sulfide gas body monitoring module including assemble hydrogen sulfide sensor on basic apron stand, assemble in the ventilation blower on basic apron platform surface, with exhaust duct and the power module that the ventilation blower is linked together, the entry of exhaust duct is located the tower section of thick bamboo and exports outside being located the tower section of thick bamboo in order to get rid of the hydrogen sulfide gas body, wherein hydrogen sulfide sensor is connected with hydrogen sulfide controller communication, the hydrogen sulfide controller with first integrated collection module communication is connected, the hydrogen sulfide controller pass through the relay with the ventilation blower electricity is connected.
Further, the hydrogen sulfide sensor is HX-H2And S-760, the relay adopts an RXD-24VDC model, a power supply circuit of the ventilator is connected with a fuse, and the model of the fuse is RT-28N-32X.
Furthermore, the system for monitoring and removing the hydrogen sulfide gas for the offshore wind power of the offshore hydrogen sulfide gas monitoring module further comprises an alarm in communication connection with the first integrated acquisition module, wherein the alarm is an acousto-optic alarm lamp integrated on a hydrogen sulfide sensor or an acousto-optic alarm lamp assembled outside a tower gate.
This system passes through the concentration of the inside hydrogen sulfide of hydrogen sulfide monitor real-time on-line monitoring tower section of thick bamboo, can set up the safety permission scope, and the hydrogen sulfide monitor can send audible and visual warning when the concentration exceeds the safe value to through relay start-up ventilation blower, and then get rid of the hydrogen sulfide.
Bolt load on-line monitoring module
The bolt connection is an indispensable main part in mechanical equipment, and in order to ensure the reliability of the bolt connection, a large amount of manpower and resource investment is caused by a traditional detection mode. There are mainly the following problems: the mechanical bearing system capacity of the bolt is overloaded or fatigued along with the time, and potential safety hazards caused by improper fastening (overlarge or undersize bolt pretightening force) are repeatedly and manually inspected, so that the cost is high, and the safety risk caused by manual inspection is avoided.
The tower bolt load online monitoring module comprises first stress sensors arranged on the blade root and the tower flange, the first stress sensors are in communication connection with a first stress controller, and the first stress controller is in communication connection with the first integrated acquisition module.
The online monitoring module for the bolt load of the tower can effectively identify whether the blade root and the tower flange are broken or not in real time and accurately position the blade root and the tower flange. The pre-tightening force of the bolts of the tower barrel and the blades of the wind driven generator can be monitored uninterruptedly, the structural health state of the wind driven generator is evaluated according to the monitoring data, and the evaluation result is informed to an operator in real time, so that zero fault and missing detection are realized.
The online monitoring module for the bolt load of the engine room comprises a second stress sensor arranged on a corresponding bolt of the engine room, the second stress sensor is in communication connection with a second stress controller, and the second stress controller is in communication connection with the second integrated acquisition module.
Online oil monitoring module
The abrasive grains in the lubricating oil are important information carriers related to the wear state, useful information such as the state of a working surface and whether further wear can be borne or not can be obtained by monitoring, measuring and analyzing wear particles generated by a mechanical device, and the characteristic size of the abrasive grains in the failure period of most machines is between 20um and 200 um. Which is an important basis for fully exploiting the working life of the wearing parts.
The online oil monitoring module comprises an oil monitoring sensor arranged in a gear box, the oil monitoring sensor is in communication connection with a wear monitoring controller, and the wear monitoring controller is in communication connection with a second integrated acquisition module.
The oil liquid monitoring sensor adopts the electromagnetic induction principle to carry out abrasion detection and is not influenced by bubbles in oil. The method is used for detecting the size and the number of ferromagnetic particles and non-ferromagnetic particles in oil. A minimum of 50 microns ferromagnetic abrasive particles and 150 microns non-ferromagnetic non-ferrous metal abrasive particles can be monitored. The increase speed and the wear speed of abrasive particles with different sizes in 5 grade intervals are monitored to judge the operating stage (break-in period, stationary period and fatigue period) of the unit. Gear box
Common faults of the fan blade of the blade monitoring module include blade structure damage, blade surface cracking, blade pneumatic imbalance, blade icing and the like.
The damage of the blade structure mainly occurs at one third of the position away from the blade tip and the position of the blade root, so that the bonding position is cracked, leaked and cracked. The vibration signal shows that the rigidity of the whole machine is reduced, and the natural frequency shows a reduction trend; when the blade is damaged, when the blade is excited by external load (such as wind blowing), high-frequency signals are generated and are accompanied by a plurality of side frequencies. The structural damage can be effectively identified by combining the rotor rotating speed and the variable pitch angle of the fan master control system and the support vector machine algorithm of pattern identification.
The blade monitoring module comprises a blade sensor and a bolt sensor which are arranged on a hub, and a bolt/blade wireless receiver which is arranged on a cabin, the blade sensor is in wireless communication with the bolt/blade wireless receiver, and the bolt/blade wireless receiver is in communication connection with the second integrated acquisition module.
The tower barrel shaking and non-uniform settlement monitoring module comprises an inclination angle sensor arranged on a tower footing part and an inclination angle sensor arranged in an engine room, the inclination angle sensor is in communication connection with the first integrated acquisition module through an acquisition instrument, and the tower barrel shaking monitoring module further comprises an alarm which is in communication connection with the first integrated acquisition module.
Inclination angle sensors are arranged on the engine room and the tower footing part, the inclination angles of the unit in two directions along with the time are measured, the inclination angle change trends of the engine room and the tower footing are determined through the functions of monitoring report data query and trend analysis, the health state of the fan is evaluated, and an alarm can be given in time when the inclination angles of the engine room and the tower footing exceed the standard, so that the damage of the main structure of the fan caused by the faults of the engine room and the tower footing is avoided;
due to the particularity of the offshore environment, the lightning monitoring module has become an important subject of the existing offshore wind power in order to improve the safety of the wind turbine, reduce the possibility of lightning accidents and improve the lightning stroke resistance of the wind turbine. The system is a special instrument for detecting the electrical property of the zinc oxide arrester, and the instrument is suitable for the live-line or power failure detection of the zinc oxide arresters with various voltage levels, so that dangerous defects such as equipment internal insulation damping, valve plate aging and the like can be found in time.
The lightning monitoring module comprises a detector for detecting the electrical performance of the zinc oxide arrester, the detector is in communication connection with a detection controller, and the detection controller is in communication connection with a first integrated acquisition module.
IP voice module
The IP voice module is an IP telephone and a telephone control module in communication connection with the IP telephone, and the telephone control module is in communication connection with the corresponding first integrated acquisition module or the second integrated acquisition module.
Insulation on-line monitoring module for electrical equipment
The high-voltage electrical equipment in operation is influenced by conditions such as electric field, chemistry, machinery, conductor heating and external environment for a long time, and is gradually aged, so that the insulation performance is deteriorated and insulation defects occur, and if effective technical measures are not found in time, insulation accidents of the equipment are certainly caused, and great loss is caused. The system can carry out on-line monitoring and diagnosis of state parameters on equipment such as a transformer, a sleeve, a mutual inductor, a coupling capacitor, a metal oxide arrester and the like in a transformer substation.
The electric equipment insulation online monitoring module comprises an insulation sensor assembled in an electric appliance cabinet, the insulation sensor is in communication connection with an electric controller, and the electric controller is in communication connection with the corresponding first integrated acquisition module or the second integrated acquisition module.
Submarine cable monitoring module (offshore wind power submarine cable on-line monitoring module)
The submarine photoelectric cable is mainly used for power supply and communication transmission between continents and islands, islands and islands, continents and offshore oil platforms and oil platforms. The submarine cable is usually buried at a depth of 1-2 m from the sea bottom, and is often damaged by machinery such as ship anchors and fishing equipment, or burned due to abnormal heat caused by electric current.
The submarine cable monitoring module comprises a submarine cable temperature monitor, a submarine cable disturbance monitor and a submarine cable stress monitor, the submarine cable temperature monitor is in communication connection with a temperature monitoring host, the submarine cable disturbance monitor is in communication connection with the submarine cable disturbance host, the submarine cable stress monitor is in communication connection with a stress monitoring host, and the temperature monitoring host, the submarine cable disturbance host and the stress monitoring host are in communication connection with the first integrated acquisition module respectively.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An auxiliary control integrated acquisition module for an offshore wind generating set is characterized by comprising a main control unit and a plurality of sub-units; each subunit is used for being connected with a subsystem signal monitoring module for monitoring the state of the fan, and each subunit is in communication connection with the main control unit.
2. The auxiliary control integrated acquisition module for the offshore wind turbine generator system of claim 1, wherein each of the sub-units is in communication connection with the main control unit through a CAN bus output interface and/or a digital IO output interface, and the sub-units are provided with a CAN bus input interface, an analog input interface, an RS485 hardware interface, an RS232 hardware interface, a digital IO input interface and/or a network interface for connecting with the corresponding sub-system signal monitoring module.
3. The auxiliary control integrated acquisition module for the offshore wind turbine generator system of claim 1, further comprising a power supply unit, wherein the power supply unit supplies power to the main control unit and the sub-units, and each sub-unit is further provided with a power switch and an indicator light.
4. The auxiliary control integrated acquisition module for the offshore wind turbine generator system of claim 2, wherein the main control unit is a PC;
the subunit includes microcontroller, respectively with 485 transceiver module, 232 transceiver module, CAN transceiver module, net gape control chip that microcontroller is connected to and power stabilization module, microcontroller with PC passes through CAN line connection.
5. An auxiliary control platform for an offshore wind generating set, which is characterized by comprising a main control module, an auxiliary control integrated acquisition module according to any one of claims 1 to 4, and a plurality of subsystem signal monitoring modules for detecting the state of a fan, wherein the main control module comprises a central control server, and the main control unit is in communication connection with the central control server.
6. The auxiliary control platform for the offshore wind turbine generator system of claim 5, wherein the main control unit is a PC, the PC is in communication connection with a photoelectric converter, and the photoelectric converter is in communication connection with the central control server through an optical fiber.
7. The auxiliary control platform for the offshore wind turbine generator system of claim 5, wherein the main control module comprises a central control server, a client in communication connection with the central control server, and a remote monitoring center in communication connection with the client.
8. The auxiliary control platform for the offshore wind turbine generator system of claim 5, wherein the subsystem signal monitoring module is a non-uniform settlement monitoring module, a tower bolt load online monitoring module, a thunder monitoring module, an offshore temperature and humidity environment monitoring module, an offshore salt spray corrosion monitoring module, an offshore hydrogen sulfide gas monitoring module, a fan tower door state monitoring module, a submarine cable monitoring module, an offshore ship monitoring module, a cathode protection monitoring module, an electrical equipment insulation online monitoring module, a salt spray detection module, a CMS vibration monitoring module, an online oil monitoring module, a cabin bolt load online monitoring module, a blade monitoring module, a motor displacement monitoring module, a wireless network communication module, an IP voice module, an automatic fire fighting module, a video monitoring module, an access control module or a wireless receiver;
each subsystem signal monitoring module comprises a sensor for detecting the state of the fan and a submodule processor in communication connection with the sensor, and the submodule processor is connected with a CAN bus input interface, an analog input interface, an RS485 hardware interface, an RS232 hardware interface, a digital IO input interface or a network port on the subunit.
9. The auxiliary control platform for the offshore wind turbine generator system of claim 5, wherein two auxiliary control integrated acquisition modules are provided, namely a first integrated acquisition module arranged on a tower footing and a second integrated acquisition module arranged on a cabin;
the main units in the first integrated acquisition module and the second integrated acquisition module are respectively in communication connection with the central control server;
a plurality of subunits in the first integrated acquisition module are respectively connected with a tower barrel shaking and non-uniform settlement monitoring module, a tower barrel bolt load online monitoring module, a thunder and lightning monitoring module, a sea temperature and humidity environment monitoring module, a sea salt spray corrosion monitoring module, a sea hydrogen sulfide gas monitoring module, a fan tower barrel door state monitoring module, a submarine cable monitoring module, a sea ship monitoring module, a cathode protection monitoring module, an electrical equipment insulation online monitoring module, a wireless network communication module, an IP voice module, an automatic fire fighting module, a video monitoring module, an access control module or a wireless receiver;
a plurality of subunits in the second integrated acquisition module are respectively connected with a salt spray detection module, a CMS vibration monitoring module, an online oil monitoring module, an on-line cabin bolt load monitoring module, a blade monitoring module, a motor displacement monitoring module, an on-line electrical equipment insulation monitoring module, a generator insulation monitoring module, a wireless network communication module, an IP voice module, an automatic fire-fighting module, a video monitoring module, an entrance guard module or a wireless receiver.
10. The auxiliary control platform for the offshore wind turbine generator system according to claim 8 or 9, wherein the salt spray detection module, the offshore salt spray corrosion monitoring module, the tower shaking and non-uniform settlement monitoring module, the cathode protection monitoring module, the tower bolt load on-line monitoring module and the offshore hydrogen sulfide gas monitoring module are respectively connected with the RS485 hardware interfaces of the corresponding subunits;
the fan tower drum door state monitoring module and the automatic fire-fighting module are respectively connected with digital IO input interfaces of the corresponding subunits;
the marine temperature and humidity environment monitoring module and the CMS vibration monitoring module are respectively connected with the digital IO input interfaces of the corresponding subunits;
the wireless network communication module, the IP voice module, the automatic fire-fighting module, the video monitoring module, the entrance guard module and the wireless receiver are connected with the CAN bus input interface of the corresponding subunit.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074649A (en) * | 2021-03-22 | 2021-07-06 | 重庆交通大学 | Method for monitoring foundation pile of high-pile wharf |
| CN114352478A (en) * | 2022-03-16 | 2022-04-15 | 中国华能集团清洁能源技术研究院有限公司 | Control system and control method for offshore wind turbine generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074649A (en) * | 2021-03-22 | 2021-07-06 | 重庆交通大学 | Method for monitoring foundation pile of high-pile wharf |
| CN114352478A (en) * | 2022-03-16 | 2022-04-15 | 中国华能集团清洁能源技术研究院有限公司 | Control system and control method for offshore wind turbine generator |
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