CN217206725U - Low-temperature variable-pitch drive control system suitable for medium-sized fan - Google Patents
Low-temperature variable-pitch drive control system suitable for medium-sized fan Download PDFInfo
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- CN217206725U CN217206725U CN202123171607.0U CN202123171607U CN217206725U CN 217206725 U CN217206725 U CN 217206725U CN 202123171607 U CN202123171607 U CN 202123171607U CN 217206725 U CN217206725 U CN 217206725U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a low temperature becomes oar drive control system suitable for medium-sized fan, a serial communication port, including becoming oar drive controller, power module, be used for providing emollient feeding mechanism of emollient to the main shaft, be used for gathering the voltage signal's of power module output voltage sampling circuit, be used for gathering the temperature signal's of motor temperature sensor, be used for gathering the ambient temperature sensor of the temperature of medium-sized fan place environment, be used for detecting motor output gear turned angle's encoder and be located the main shaft and rotate limit switch of extreme position. The utility model discloses mainly be applied to medium-sized wind generating set's the oar drive control part that becomes, provided a comparatively perfect low temperature and become oar drive control system. The utility model provides a system has considered the influence of temperature to moment etc. and has realized changing oar self adjustment, to the control and the fault protection of emollient based on hardware circuit's design, has effectively improved the life of bearing and has guaranteed the stability of fan operation.
Description
Technical Field
The utility model relates to a medium-sized aerogenerator becomes oar drive control system belongs to medium-sized fan generator technical field.
Background
Medium-sized fans are often installed in areas with good wind resources such as coastal areas, plateaus, inner Mongolia areas, northern areas of Gansu province and the like. Some areas are wind energy season utilization areas, such as: the effective wind energy occurs most in winter and spring, so the medium-sized fans in the region need to be tested at low temperature. For a variable pitch drive control device of a medium-sized fan, the pitch angle of a blade needs to be adjusted in real time according to actual wind speed, wind direction and the like so as to ensure the safety of the fan and obtain the maximum wind energy.
The related systems of low-temperature pitch drive control are rare, such as:
in the invention patent application with the publication number of CN 101493074A, a low-temperature control system and a control method of a wind power pitch changing device are disclosed. In the invention patent application, the environmental temperature of the hub and the battery box needs to be monitored, the wind power pitch control device is controlled by the temperature sensor to heat the wind power pitch control device, and if any one of the sensor or the heater is abnormal, the control of the device at low temperature is affected.
Utility model patent with publication number CN201401279Y discloses a low temperature type wind generating set becomes oar device. In the utility model discloses an in, need be equipped with independent control power supply and heating power supply, and be equipped with a plurality of heaters, the heating power supply is connected in each heater respectively to control each heater through temperature control auxiliary relay. Unlike the invention patent application with publication number CN 101493074A, the device disclosed in the utility model patent further has an input protection air switch between the heating power supply and each heater, and the utility model patent is superior to the former from the safety point of view. However, the device needs more auxiliary equipment, and is not friendly to troubleshooting and post-maintenance under abnormal conditions.
Utility model patent with publication number CN 201763539U discloses a wind generating set that adapts to ultra-low temperature area environment. The utility model discloses a device and relevant requirement that wind generating set wholly dealt with ultra-low temperature environment have only been recorded in the patent. Similar to the patent application with publication number CN 101493074A and the utility model patent with publication number CN201401279Y, a large number of heaters are required in the technical solution disclosed in the utility model patent, but no heater is provided at the pitch-controlled part, and no mention is made that the pitch-controlled part is suitable for the environment of ultra-low temperature areas.
Disclosure of Invention
The utility model aims at: the control system is suitable for low-temperature variable pitch drive control of the medium-sized fan.
In order to achieve the above object, the technical solution of the present invention is to provide a low temperature pitch drive control system suitable for a medium-sized fan, which is characterized in that the low temperature pitch drive control system comprises a pitch drive controller, the pitch drive controller is connected to an own master control system of the medium-sized fan, the pitch drive controller drives a motor via a driver, an output shaft of the motor is connected to a main shaft of the medium-sized fan, and a blade of the medium-sized fan is arranged on the main shaft;
the low-temperature variable-pitch drive control system further comprises a power module, a lubricant supply mechanism for supplying lubricant to the main shaft, a voltage sampling circuit for acquiring a voltage signal output by the power module, a motor temperature sensor for acquiring a temperature signal of the motor, an environment temperature sensor for acquiring the temperature of the environment where the medium-sized fan is located, an encoder for detecting the rotation angle of the output gear of the motor and a limit switch located at the rotation limit position of the main shaft, wherein:
the power supply module supplies power to the variable-pitch driving controller, the driver, the motor, the lubricant supply mechanism, the motor temperature sensor and the environment temperature sensor;
and the lubricant supply mechanism, the voltage sampling circuit, the motor temperature sensor, the environment temperature sensor, the encoder and the limit switch are all connected with the variable pitch drive controller.
Preferably, the pitch drive controller is connected with the own master control system of the medium-sized wind turbine through a data communication interface and an I/O port.
Preferably, the power module includes a main power supply, a control power supply and a super capacitor, wherein: the input end of the main power supply is connected with an external alternating current power supply;
the direct current output end of the main power supply is connected with the super capacitor through a charging module, connected with the direct current input end of the control power supply, connected with the power supply end of the driver and connected with the power supply end of the motor; the power supply end of the driver and the power supply end of the motor are also connected with a super capacitor;
and the direct current output end of the control power supply is connected with the power supply end of the lubricant supply mechanism, the power supply end of the variable pitch drive controller, the power supply end of the motor temperature sensor and the power supply end of the environment temperature sensor.
Preferably, there are three voltage sampling circuits, and the three voltage sampling circuits respectively collect output voltage signals of the main power supply, the control power supply, and the super capacitor.
Preferably, the lubricant supply mechanism comprises an oil pump, a control end of the oil pump is connected with the variable pitch drive controller, an input port of the oil pump is connected with the lubricant storage mechanism, and an output port of the oil pump provides lubricant for a main shaft of the medium-sized fan.
Preferably, the lubricant storage mechanism stores grease therein.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses mainly be applied to medium-sized wind generating set's change oar drive control part, provided a comparatively perfect low temperature and become oar drive control system. The utility model provides a system has considered the influence of temperature to moment etc. and has realized changing oar self adjustment, to the control and the fault protection of emollient based on hardware circuit's design, has effectively improved the life of bearing and has guaranteed the stability of fan operation.
Drawings
Fig. 1 is the utility model provides a pair of low temperature becomes oar drive control system's circuit schematic diagram suitable for medium-sized fan.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
As shown in FIG. 1, the utility model discloses a low temperature becomes oar drive control system suitable for medium-sized fan includes the change oar drive controller based on STM32 chip realization, and it passes through data communication interface and IO port and links to each other with medium-sized fan's own major control system to become oar drive controller.
The variable pitch drive controller drives a motor through a driver, an output shaft of the motor is connected with a main shaft of the medium-sized fan, and blades of the medium-sized fan are arranged on the main shaft. In this example, the driver used FD144S-CB-000 and the motor used SMC130D-0180-30ABK-4DKR of Mediterranean family.
The driver and the motor are powered by a main power supply, and the main power supply adopts open weft RSP-3000-48 and is used for converting alternating current provided by an external power supply into direct current. The direct current signal output end of the main power supply is used for charging the super capacitor through the charging module, the direct current signal output end of the main power supply is connected with the direct current signal input end of the control power supply, and the direct current signal output end of the control power supply is connected with the power supply ends of the lubricant supply mechanism, the variable pitch drive controller, the motor temperature sensor and the environment temperature sensor. The external power supply converts the direct current signal provided by the main power supply into a direct current signal adaptive to the lubricant supply mechanism, the variable pitch drive controller, the motor temperature sensor and the environment temperature sensor, so that the power supply adaptive to the lubricant supply mechanism, the variable pitch drive controller, the motor temperature sensor and the environment temperature sensor is realized. In the embodiment, the charging module is realized on the basis of the bright weft RSD200C-48, the bright weft RSD100C-24 is adopted as a control power supply, the super capacitor is used as a standby power supply, and the alkene crystal carbon energy M14S-060-05S is adopted.
The pitch drive controller respectively collects a voltage signal output by the main power supply, a voltage signal output by the control power supply and a voltage signal output by the super capacitor through three voltage sampling circuits, and the voltage sampling circuits can adopt voltage sampling resistors well known by those skilled in the art or can adopt voltage sampling chips well known by those skilled in the art.
The lubricant supply mechanism comprises an oil pump, the control end of the oil pump is connected with the variable-pitch drive controller, the input port of the oil pump is connected with the lubricant storage mechanism, and the output port of the oil pump provides lubricant for the main shaft of the medium-sized fan. In this embodiment, the oil pump adopts the KG-Y type electric lubrication pump of opening moist, adopts lubricating grease as the lubricant, and lubricating grease compares in lubricating oil, possesses the mobility little, be difficult for revealing, lubricated long characteristics of duration, more is applicable to the variable pitch drive control system, also can reduce the degree of difficulty of maintaining.
The variable pitch drive controller is also connected with a motor temperature sensor and an environment temperature sensor, wherein the motor temperature sensor is used for acquiring a temperature signal of the motor, and the environment temperature sensor is used for acquiring the temperature of the environment where the medium-sized fan is located. After the technical solutions provided by the present invention are obtained, a person skilled in the art can select specific installation positions and installation manners of the motor temperature sensor and the environment temperature sensor as needed, which is common knowledge of the person skilled in the art and is not described herein again. In this embodiment, the motor temperature sensor and the environment temperature sensor are both P07-PT 100.
The utility model discloses in, be provided with limit switch at main shaft pivoted extreme position, limit switch links to each other with becoming oar drive controller, if become the signal that oar drive controller received limit switch and given, then send alarm signal to main control system. In this embodiment, the limit switch is schneider ZCMD29C 1.
The motor is provided with an encoder, the encoder is used for detecting the rotating angle of the motor output gear, the angle signal is sent to the variable pitch drive controller, and then the variable pitch drive controller obtains the output torque of the motor based on the angle signal. The specific installation manner of the encoder is common knowledge of those skilled in the art, and will not be described herein, and in this embodiment, the encoder employs GMX60R12/12E10 SGB.
In fig. 1, input detection (IO detection) is an STM32 chip peripheral function, and is implemented based on an internal chip of a pitch drive controller, and is used for monitoring: the external limit (the pedology driver and the variable pitch controller are both connected with a limit switch, if the communication between the variable pitch controller and the pedology driver fails, the input detection can also feed the signal back to a master control system), local remote switching (for entering an installation mode), an emergency stop button (external shutdown control of the variable pitch drive controller), manual pitch take-up (working in a matched installation mode), a master control state (an I/O port of the variable pitch drive controller connected with the master control system, a master control overturning level is used for performing input detection on the variable pitch drive controller and used for judging a master control operation state) and other signals, and then the variable pitch drive is reasonably controlled.
The variable pitch drive controller controls the driver to rotate the motor at a proper speed according to an instruction given by the master control system, so that the blade is kept in an optimal attack angle state, and the maximum wind energy is obtained. The variable pitch drive controller needs to monitor the state of the variable pitch drive controller and the state of the motor, so that the controller can quickly and reasonably respond to the abnormal conditions. The encoder feeds back angle data to ensure that the blade is in the correct position. The limit switch is used as a backup protection and feeds the abnormity back to the variable-pitch drive controller. The variable pitch drive controller monitors the ambient temperature, the motor temperature and the like through the motor temperature sensor and the ambient temperature sensor, and the control on the driver and the lubricant supply mechanism is combined, so that the system can be operated at a proper temperature and can work well at a low temperature or a high temperature. If the motor runs for a long time, the temperature of the motor can gradually rise, and the normal work of the motor can be influenced by higher temperature, even the motor breaks down. If the temperature of the motor is extremely low, other influences such as increase of driving torque and the like can be brought. The utility model discloses in, temperature detects and combines together with the moment detects, and under certain low temperature environment, moment increases to the settlement scope, can think that the present is in low temperature, under the condition that does not increase independent heating device, accessible controller controls the driver, under the condition that does not influence blade pitch angle guaranteeing, with less position main shaft that moves repeatedly, prevents that the bearing and other devices of main shaft from freezing under the condition of low temperature inaction to influence the unit.
Claims (6)
1. A low-temperature variable-pitch drive control system suitable for a medium-sized fan is characterized by comprising a variable-pitch drive controller, wherein the variable-pitch drive controller is connected with a main control system of the medium-sized fan, the variable-pitch drive controller drives a motor through a driver, an output shaft of the motor is connected with a main shaft of the medium-sized fan, and blades of the medium-sized fan are arranged on the main shaft;
the low-temperature variable-pitch drive control system further comprises a power module, a lubricant supply mechanism for supplying lubricant to the main shaft, a voltage sampling circuit for acquiring a voltage signal output by the power module, a motor temperature sensor for acquiring a temperature signal of the motor, an environment temperature sensor for acquiring the temperature of the environment where the medium-sized fan is located, an encoder for detecting the rotation angle of the output gear of the motor and a limit switch located at the rotation limit position of the main shaft, wherein:
the power supply module supplies power to the variable-pitch driving controller, the driver, the motor, the lubricant supply mechanism, the motor temperature sensor and the environment temperature sensor;
and the lubricant supply mechanism, the voltage sampling circuit, the motor temperature sensor, the environment temperature sensor, the encoder and the limit switch are all connected with the variable pitch drive controller.
2. The low-temperature pitch drive control system for the medium-sized wind turbine according to claim 1, wherein the pitch drive controller is connected to the own main control system of the medium-sized wind turbine through a data communication interface and an I/O port at the same time.
3. The low-temperature pitch drive control system suitable for the medium-sized wind turbine as claimed in claim 1, wherein the power module comprises a main power supply, a control power supply and a super capacitor, wherein: the input end of the main power supply is connected with an external alternating current power supply;
the direct current output end of the main power supply is connected with the super capacitor through a charging module, connected with the direct current input end of the control power supply, connected with the power supply end of the driver and connected with the power supply end of the motor; the power supply end of the driver and the power supply end of the motor are also connected with a super capacitor;
the direct current output end of the control power supply is connected with the power supply end of the lubricant supply mechanism, the power supply end of the variable pitch drive controller, the power supply end of the motor temperature sensor and the power supply end of the environment temperature sensor.
4. The low-temperature pitch drive control system for the medium-sized wind turbine according to claim 3, wherein there are three voltage sampling circuits, and the three voltage sampling circuits respectively collect output voltage signals of the main power supply, the control power supply and the super capacitor.
5. The low-temperature pitch drive control system suitable for the medium-sized fan according to claim 1, wherein the lubricant supply mechanism comprises an oil pump, a control end of the oil pump is connected with the pitch drive controller, an input port of the oil pump is connected with the lubricant storage mechanism, and an output port of the oil pump provides lubricant for a main shaft of the medium-sized fan.
6. The low-temperature pitch drive control system for the medium-sized wind turbine according to claim 5, wherein the lubricant storage mechanism stores grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123171607.0U CN217206725U (en) | 2021-12-16 | 2021-12-16 | Low-temperature variable-pitch drive control system suitable for medium-sized fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123171607.0U CN217206725U (en) | 2021-12-16 | 2021-12-16 | Low-temperature variable-pitch drive control system suitable for medium-sized fan |
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| Publication Number | Publication Date |
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| CN217206725U true CN217206725U (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123171607.0U Active CN217206725U (en) | 2021-12-16 | 2021-12-16 | Low-temperature variable-pitch drive control system suitable for medium-sized fan |
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| CN (1) | CN217206725U (en) |
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2021
- 2021-12-16 CN CN202123171607.0U patent/CN217206725U/en active Active
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