CN217060832U - Portable wind turbine generator system master control system testing device - Google Patents
Portable wind turbine generator system master control system testing device Download PDFInfo
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- CN217060832U CN217060832U CN202220961872.4U CN202220961872U CN217060832U CN 217060832 U CN217060832 U CN 217060832U CN 202220961872 U CN202220961872 U CN 202220961872U CN 217060832 U CN217060832 U CN 217060832U
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Abstract
The utility model provides a portable wind turbine main control system testing device, including signal acquisition module, signal generation module, host computer control panel, safety chain test module, built-in power supply, input port, output port and safety chain logic output port, host computer control panel is signal acquisition module, signal generation module link to each other respectively; the signal acquisition module is connected with the input port; the signal generation module is connected with the output port; the signal acquisition module and the signal generation module are connected with the safety chain test module; the safety chain test module is connected with the safety chain logic output port; the built-in power supply is respectively connected with the signal acquisition module, the upper computer control panel and the signal generation module. The utility model discloses can realize that wind turbine generator system major control system preventive maintenance and meticulous maintenance, the solution system can't carry out the test problem on the tower; the problems that sensor signals are complex and various, the operation working condition is bad, and a standard signal testing and calibrating method is not available are solved.
Description
Technical Field
The utility model belongs to the technical field of the wind turbine generator system test, specifically indicate a portable wind turbine generator system master control system testing arrangement.
Background
The wind turbine generator main control system regulates the wind turbine generator through collecting generator information and working environment information, so that the generator is kept within the working range requirement. The wind turbine main control system mainly comprises a PLC (programmable logic controller), a fan sensor and a function execution mechanism, and functions of unit data acquisition and processing, data monitoring, fault monitoring, operation control and the like are realized. In the actual operation and maintenance work, the main control system mainly has the following problems which are difficult to solve:
aiming at the PLC:
1. the PLC controllers adopted by domestic mainstream wind turbine generators are imported devices, the PLC controllers can perform a laboratory complete machine test when leaving a factory, and the controllers cannot be regularly maintained on the tower due to lack of equipment data and detection equipment in the operation process. Along with the increase of the operation period of equipment and the degradation of environmental conditions, data acquisition and transmission errors increase, so that the control precision of a unit is reduced, and the power generation efficiency is reduced.
2. The PLC controller regular maintenance standard is absent, and the regular maintenance for the PLC controller is basically blank in the industry.
And 3, the PLC is difficult to perform fault locking after being damaged, the module replacement and the whole replacement strategies are mainly adopted, and the operation and maintenance cost is high.
And 4, after the PLC recharges the program, effective port test and main control logic check cannot be carried out, and the test is directly carried out on the unit (partial functions can be verified only after the unit is started), so that great potential safety hazards exist.
Aiming at the fan sensor:
1. the sensors used by the wind turbine generator are various in types and complex in signal, and the daily operation and maintenance can only carry out signal observation through a local human-computer panel of the fan, so that signal calibration and working condition simulation cannot be carried out.
2. If the fan has faults related to sensors, some dynamic signals can be confirmed to be normal only by matching with a unit execution mechanism, but the dynamic signals are limited by unit program execution logic, some signal functions can be confirmed only after the fan is started, the working efficiency is low, and the potential safety hazard is large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portable wind turbine generator system major control testing arrangement solves above-mentioned problem.
In order to achieve the technical purpose, the utility model adopts the technical scheme that:
a portable wind turbine main control system testing device is characterized by comprising a signal acquisition module, a signal generation module, an upper computer control panel, a safety chain testing module, a built-in power supply, an input port, an output port and a safety chain logic output port,
the upper computer control panel is respectively connected with the signal acquisition module and the signal generation module;
the signal acquisition module is connected with the input port;
the signal generating module is connected with the output port;
the signal acquisition module and the signal generation module are both connected with the safety chain test module;
the safety chain test module is connected with the safety chain logic output port;
the built-in power supply is respectively connected with the signal acquisition module, the upper computer control panel and the signal generation module.
As a further optimized scheme, the signal acquisition module comprises an external equipment communication acquisition unit, a high-low level acquisition unit, a voltage and current acquisition unit and a pulse acquisition unit.
As a further optimized scheme, the signal generation module comprises an external equipment communication unit, a high-low level output unit, a voltage and current output unit and a pulse output unit.
As a further optimized scheme, the safety chain test module comprises a safety chain signal output unit, a cable twisting switch signal output unit, a vibration switch signal output unit, an overspeed signal output unit and a safety chain relay signal output unit.
As a further optimized scheme, the safety chain test module further comprises a reset control unit and an emergency stop control unit.
As a further optimized scheme, the reset control unit is respectively connected with the tower foundation reset button and the engine room reset button.
As a further optimized scheme, the emergency stop control unit is respectively connected with the tower footing emergency stop button and the cabin emergency stop button.
As a further optimized proposal, the device also comprises a safety chain signal output LED, a twisted cable switch signal output LED, a vibration switch signal output LED, an overspeed signal output LED and a safety chain relay signal output LED,
the safety chain signal output LED is connected with the safety chain signal output unit, the cable twisting switch signal output LED is connected with the cable twisting switch signal output unit, the vibration switch signal output LED is connected with the vibration switch signal output unit, the overspeed signal output LED is connected with the overspeed signal output unit, and the safety chain relay signal output LED is connected with the safety chain relay signal output unit.
As a further optimized scheme, the safety chain test module also comprises a logic simulation unit,
the logic simulation unit is respectively connected with the safety chain signal output unit, the torsion cable switch signal output unit, the vibration switch signal output unit, the overspeed signal output unit and the safety chain relay signal output unit.
As a further optimized scheme, the output voltage range of the built-in power supply is 0-24V.
Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:
the preventive maintenance and the fine maintenance of the main control system of the wind turbine generator can be realized, and the problem that the system cannot perform on-tower test is solved; the problems that sensor signals are complex and various, the operation working condition is bad, and a standard signal testing and calibrating method is not available are solved; the problem of important control logic can't break away from actuating mechanism and test, the potential safety hazard is big is solved.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
Fig. 1 is a schematic structural diagram of a portable wind turbine master control system testing device according to an embodiment;
fig. 2 is a schematic structural diagram of a portable wind turbine main control system testing device according to another embodiment;
fig. 3 is a schematic structural diagram of a portable wind turbine main control system testing device according to yet another embodiment;
fig. 4 is a schematic structural diagram of a portable wind turbine master control system testing device according to still another embodiment;
FIG. 5 is a schematic diagram of a test of an input port of a PLC of a wind turbine generator according to the embodiment;
FIG. 6 is a schematic diagram of an output test of a PLC controller of a wind turbine generator according to the embodiment;
fig. 7 is a schematic diagram of signal acquisition, test and calibration for testing the output of the wind turbine sensor according to the embodiment.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and not for the purpose of limiting the same, the same is shown by way of illustration only and not in the form of limitation; for a better explanation of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Fig. 1 is a schematic structural diagram of a portable wind turbine master control system testing device.
As shown in fig. 1, the portable wind turbine master control system testing device includes a signal acquisition module 100, a signal generation module 200, an upper computer control panel 300, a safety chain testing module 400, a built-in power supply 500, an input port 600, an output port 700, and a safety chain logic output port 800.
The upper computer control panel 300 can be connected to the signal acquisition module 100 and the signal generation module 200 through RS485 communication interfaces.
The signal acquisition module 100 is connected to the input port 600. The input port 600 may be a 2 × 12 terminal array. In one embodiment, the signal acquisition module 100 may further include an external device communication acquisition unit 110, a high-low level acquisition unit 120, a voltage and current acquisition unit 130, and a pulse acquisition unit 140. The external device communication acquisition unit 110 may be connected to the outside through interfaces such as RS232, RS485, and CAN.
The signal generating module 200 is connected to the output port 700. The output port 700 may be a 2 × 12 terminal array. In one embodiment, the signal generating module 200 may further include an external device communication unit 210, a high-low level output unit 220, a voltage current output unit 230, and a pulse output unit 240. The external device communication unit 210 may be connected to the outside through interfaces such as RS232, RS485, and CAN.
The signal acquisition module 100 and the signal generation module 200 are both connected to the safety chain test module 400.
The safety chain test module 400 is connected to the safety chain logic output port 800. In one embodiment, the safety chain test module 400 may further include a safety chain signal output unit 410, a twist-cable switch signal output unit 420, a vibration switch signal output unit 430, an overspeed signal output unit 440, a safety chain relay signal output unit 450. The safety chain logic output port 800 may be a 2 × 5 terminal array.
In another embodiment, as shown in fig. 2, the safety chain test module 400 further comprises a reset control unit 460 and an emergency stop control unit 470.
The reset control unit 460 is connected to a tower base reset button 461 and a nacelle reset button 462 respectively. The emergency stop control unit 470 is connected to a tower footing emergency stop button 471 and a cabin emergency stop button 472, respectively.
In yet another embodiment, as shown in FIG. 3, the safety chain test module 400 further includes a logic simulation unit 480.
The logic simulation unit 480 is respectively connected to the safety chain signal output unit 410, the twisted cable switch signal output unit 420, the vibration switch signal output unit 430, the overspeed signal output unit 440, and the safety chain relay signal output unit 450.
The built-in power supply 500 is respectively connected with the signal acquisition module 100, the upper computer control panel 300 and the signal generation module 200, and supplies power to the connected modules. The output voltage range of the built-in power supply is 0-24V, and the input voltage range can be 220V.
In yet another embodiment, as shown in fig. 4, the apparatus further includes a safety chain signal output LED910, a twist cable switch signal output LED920, a vibration switch signal output LED930, an overspeed signal output LED940, and a safety chain relay signal output LED 950.
The safety chain signal output LED910 is connected with the safety chain signal output unit 410 through a safety chain logic output port 800, the twisted cable switch signal output LED920 and the safety chain logic output port 800 are connected with the twisted cable switch signal output unit 420, the vibration switch signal output LED930 and the safety chain logic output port 800 are connected with the vibration switch signal output unit 430, the overspeed signal output LED940 and the safety chain logic output port 800 are connected with the overspeed signal output unit 440, and the safety chain relay signal output LED950 and the safety chain logic output port 800 are connected with the safety chain relay signal output unit 450. Wherein, the above-mentioned LED can be arranged on the upper computer control panel 300.
The following is a detailed description of several specific examples.
1. The test of the input port of the PLC controller of the wind turbine generator is taken as an example for explanation.
As shown in fig. 5, the signal generating module 200 can be used to simulate standard signals of various sensors of the wind turbine generator system, and the standard signals are input to a corresponding port of the PLC controller of the wind turbine generator system through an output port 700. The function of the PLC input port of the wind turbine generator is tested by comparing the output data of the upper computer control panel 300 with the display numerical value of the local human-computer interface of the wind turbine generator. The voltage and current signal is composed of a path of voltage output and a path of current output, the full range of the output signal is adjustable, and the signal precision is within 0.2%. The pulse output is simulated by PWM pulses with adjustable duty ratio, the frequency is in the range of 1Hz-150KHz, and the signal precision is 1 percent. The high and low levels are input by 0-24V switching value analog input, and 0/1 state input of the PLC is realized. The voltage output may be between 0-10V and the current output may be between 0-20 mA.
2. The following description will be given by taking the example of the PLC controller output test, the signal acquisition of the sensor output, the test, and the calibration of the wind turbine generator.
As shown in fig. 6, the signal acquisition module 100 may acquire signals of each output port of a PLC controller of the wind turbine, and the acquired signals may be compared with data displayed on a local human-computer interface of the wind turbine to check the accuracy of the signals. The voltage acquisition can be between 0-10V and the current acquisition can be between 0-20 mA.
As shown in fig. 7, the signal acquisition module 100 acquires a low rotation speed signal and a state feedback signal of a sensor of the wind turbine, acquires analog quantity signals such as a pressure sensor, an anemorumbometer and a PT (temperature sensor), acquires analog quantity signals driving a hydraulic proportional valve, performs regular precision check and function verification on the acquired signals, and accesses the sensor qualified through check to the wind turbine, thereby avoiding a unit shutdown event caused by abnormal operation of the sensor. The functions are provided with a serial port communication function, and the upper computer is used for displaying, calibrating and testing signals. The voltage acquisition can be between 0-10V and the current acquisition can be between 0-20 mA. The external equipment communication acquisition unit CAN be connected with a CAN port or an external serial port of an external converter through interfaces such as RS 232/485 and CAN.
3. The safety chain logic simulation is taken as an example for explanation.
The utility model discloses integrated the hardware circuit of wind turbine generator system safety chain, be connected the back with wind turbine generator system's PLC controller, can realize the logic simulation of safety chain control, can realize logic verification and function emulation under the circumstances that the unit does not take safety chain hardware return circuit, can carry out the fault simulation simultaneously. The logic simulation unit 480 and the interface of the wind generating set controller are connected in series with an LED light source as signal display, namely a safety chain signal output LED910, a twisted cable switch signal output LED920, a vibration switch signal output LED930, an overspeed signal output LED940 and a safety chain relay signal output LED 950.
The utility model discloses a portable wind turbine generator system master control system testing arrangement can realize the function as follows:
1. and standard signals of various sensors of the wind turbine generator are simulated, and the PLC port function test is realized on the machine room.
2. And acquiring, testing and calibrating signals output by the output port of the controller and the sensor.
3. Safety chain control logic simulation can be carried out, and logic test can be realized without an actuating mechanism.
4. The system has the functions of serial communication and CAN communication data monitoring, and realizes data acquisition and state evaluation of a master control system, a converter and accessory communication equipment.
5. The preventive maintenance of the main control system is carried out by means of the system, the reliability of the equipment is improved, and the operation and maintenance investment is reduced.
The utility model discloses can realize that wind turbine generator system major control system preventive maintenance and meticulous maintenance, the solution system can't carry out the test problem on the tower; the problems that sensor signals are complex and various, the operation working condition is bad, and a standard signal testing and calibrating method is not available are solved; the problem of important control logic can't break away from actuating mechanism and test, the potential safety hazard is big is solved.
The above description is intended to illustrate the embodiments of the present invention, and not to limit the scope of the invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A portable wind turbine main control system testing device is characterized by comprising a signal acquisition module, a signal generation module, an upper computer control panel, a safety chain testing module, a built-in power supply, an input port, an output port and a safety chain logic output port,
the upper computer control panel is respectively connected with the signal acquisition module and the signal generation module;
the signal acquisition module is connected with the input port;
the signal generating module is connected with the output port;
the signal acquisition module and the signal generation module are both connected with the safety chain test module;
the safety chain test module is connected with the safety chain logic output port;
the built-in power supply is respectively connected with the signal acquisition module, the upper computer control panel and the signal generation module.
2. The testing device for the master control system of the portable wind turbine generator set according to claim 1, wherein the signal acquisition module comprises an external device communication acquisition unit, a high-low level acquisition unit, a voltage and current acquisition unit and a pulse acquisition unit.
3. The portable wind turbine main control system testing device according to claim 1, wherein the signal generating module comprises an external device communication unit, a high-low level output unit, a voltage and current output unit and a pulse output unit.
4. The portable wind turbine main control system testing device according to claim 1, wherein the safety chain testing module comprises a safety chain signal output unit, a twisted cable switch signal output unit, a vibration switch signal output unit, an overspeed signal output unit, and a safety chain relay signal output unit.
5. The portable wind turbine generator main control system testing device according to claim 4, wherein the safety chain testing module further comprises a reset control unit and an emergency stop control unit.
6. The portable wind turbine main control system testing device as recited in claim 5, wherein the reset control unit is connected to the tower-based reset button and the nacelle reset button, respectively.
7. The portable wind turbine main control system testing device according to claim 5, wherein the emergency stop control unit is connected to the tower footing emergency stop button and the cabin emergency stop button respectively.
8. The portable wind turbine generator main control system testing device according to claim 4, further comprising a safety chain signal output LED, a twisted cable switch signal output LED, a vibration switch signal output LED, an overspeed signal output LED and a safety chain relay signal output LED,
the safety chain signal output LED is connected with the safety chain signal output unit, the cable twisting switch signal output LED is connected with the cable twisting switch signal output unit, the vibration switch signal output LED is connected with the vibration switch signal output unit, the overspeed signal output LED is connected with the overspeed signal output unit, and the safety chain relay signal output LED is connected with the safety chain relay signal output unit.
9. The portable wind turbine main control system testing device according to claim 4, wherein the safety chain testing module further comprises a logic simulation unit,
the logic simulation unit is respectively connected with the safety chain signal output unit, the torsion cable switch signal output unit, the vibration switch signal output unit, the overspeed signal output unit and the safety chain relay signal output unit.
10. The portable wind turbine main control system testing device according to claim 1, wherein the output voltage range of the built-in power supply is 0-24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220961872.4U CN217060832U (en) | 2022-04-22 | 2022-04-22 | Portable wind turbine generator system master control system testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220961872.4U CN217060832U (en) | 2022-04-22 | 2022-04-22 | Portable wind turbine generator system master control system testing device |
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| CN217060832U true CN217060832U (en) | 2022-07-26 |
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| CN202220961872.4U Active CN217060832U (en) | 2022-04-22 | 2022-04-22 | Portable wind turbine generator system master control system testing device |
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