CN218717270U

CN218717270U - Become oar bearing monitoring devices

Info

Publication number: CN218717270U
Application number: CN202222901160.6U
Authority: CN
Inventors: 尚晓龙; 张克功; 郝延; 李恭斌; 杨立平; 张小龙; 陶成强; 苏善斌; 于满源; 严兴成
Original assignee: Huaneng Clean Energy Research Institute; Huaneng Jiuquan Wind Power Co Ltd
Current assignee: Huaneng Clean Energy Research Institute; Huaneng Jiuquan Wind Power Co Ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-03-24
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses a variable-pitch bearing monitoring device, which comprises an acceleration sensor, a temperature sensor, a main controller, a communication module, an antenna and a power supply; the acceleration sensor and the temperature sensor are connected with the input end of the main controller, the main controller is connected with the communication module through the I/O interface, and the communication module is connected with the antenna, wherein the acceleration sensor is arranged at the rotating part of the variable pitch bearing and used for monitoring the vibration of the variable pitch bearing; the temperature sensor is arranged on the end cover of the variable pitch bearing and used for monitoring the temperature of the variable pitch bearing; the signal base station is connected with the wind field main control room and the portable terminal of the operation and maintenance personnel, can monitor the fan variable pitch bearing in operation on line, transmits a variable pitch monitoring signal to the operation and maintenance personnel monitoring equipment or the central control room, and facilitates the operation and maintenance personnel to monitor the fan variable pitch bearing in real time.

Description

Become oar bearing monitoring devices

Technical Field

The utility model belongs to the technical field of wind power equipment monitors, concretely relates to become oar bearing monitoring devices.

Background

The wind turbine generator pitch bearing is used as a key component of the wind turbine generator, is a component for connecting the blade and the hub, not only transmits the load in the blade to the hub, but also transmits the torque in the motor to the blade so as to change the pitch angle of the blade, thereby ensuring that the generating efficiency of the wind turbine generator is improved and the running safety of the wind turbine generator is improved under the condition of normal running. The real-time monitoring, collection, summarization and analysis of the running data of the variable pitch drive have important effects on knowing the running state of the variable pitch drive, quickly finding and diagnosing faults and improving the running reliability of a variable pitch system.

At present, data collected from a fan variable pitch driver are mostly transmitted in a wired mode, and for a wind field with dispersed fan distribution, whether signal cables are laid properly or not and whether interference exists or not are judged; the later maintenance of the cable and the real-time nature of the information are problems to be solved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a fan becomes oar bearing monitoring facilities can be in real time with becoming the oar signal and will become oar monitoring signals transmission to fortune dimension personnel supervisory equipment or well control room through communication module and antenna, makes things convenient for fortune dimension personnel to carry out real-time supervision to fan becomes oar bearing.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a variable-pitch bearing monitoring device comprises a temperature sensor, an acceleration sensor, a main controller, a communication module, an antenna and a power supply; the acceleration sensor and the temperature sensor are connected with the input end of the main controller, the main controller is connected with the communication module through the I/O interface, and the communication module is connected with the antenna, wherein the acceleration sensor is arranged on the fixing part of the variable pitch bearing and used for monitoring the vibration of the variable pitch bearing; the temperature sensor is arranged on the end cover of the variable pitch bearing and used for monitoring the temperature of the variable pitch bearing.

Furthermore, the communication module adopts MH 5000G communication module.

Furthermore, the main controller is connected with the communication module through a USB3.0 interface.

Furthermore, the temperature sensor, the acceleration sensor, the main controller, the communication module and the power supply are integrally arranged on a shell; a power supply charging interface is arranged on the shell; the shell is provided with an installation ear plate, and the shell is connected with the fixed part in the cabin through the installation ear plate.

Furthermore, the power supply adopts a storage battery, a power supply interface is arranged on the shell, and an external power supply charges the power supply in the shell through the power supply interface.

Furthermore, each group of 5G communication modules carries the position information and the number of the wind turbine generator set where the communication module is located, and parameters corresponding to the number of the wind turbine generator set are stored in a control room in a wind farm.

Furthermore, the antenna is arranged outside the engine room, and the antenna is connected with the communication module through a transmission line.

Furthermore, a plurality of 5G communication base stations which are in communication connection with each other are arranged in the wind field, and the 5G communication base stations are in communication connection with a central control room of the wind field and portable terminals of operation and maintenance personnel.

Furthermore, the electric energy input end of the communication base station is connected with the electric energy output end of the wind power plant.

Compared with the prior art, the utility model discloses following beneficial effect has at least: the pitch bearing monitoring device of the utility model can monitor the pitch bearing of the running fan on line, adopts a wireless communication mode, can realize the interface display of a remote terminal, and monitors a plurality of parameters of the pitch bearing in real time; monitoring data do not need to be transmitted in a wired mode, monitoring is comprehensive, performance is high, the device transmits a variable pitch monitoring signal to operation and maintenance personnel monitoring equipment or a wind field central control room in real time, and operation and maintenance personnel can monitor the running state of the fan of the variable pitch bearing of the fan conveniently.

Drawings

FIG. 1 is a schematic diagram of the apparatus.

Fig. 2 is a device circuit schematic.

In the attached drawing, 1-a temperature sensor, 2-an acceleration sensor, 3-an installation ear plate, 4-5G antenna and 5-a power interface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, the utility model provides a pitch bearing monitoring device, which comprises a temperature sensor 1, an acceleration sensor 2, a main controller, a communication module, an antenna 4 and a power supply; the acceleration sensor and the temperature sensor are connected with the input end of the main controller, the main controller is connected with the communication module through the I/O interface, and the communication module is connected with the antenna, wherein the acceleration sensor is arranged on the fixing part of the variable pitch bearing and used for monitoring the vibration of the variable pitch bearing; the temperature sensor is arranged on the end cover of the variable pitch bearing and used for monitoring the temperature of the variable pitch bearing.

As shown in fig. 1 and fig. 2, in the embodiment of the present invention, the communication module adopts a 5G communication module, and the antenna 4 adopts a 5G antenna, so that the pitch signal can be transmitted to the operation and maintenance personnel monitoring device or the central control room through the communication module and the antenna in real time, which is convenient for the operation and maintenance personnel to monitor the fan pitch bearing in real time; the variable pitch detection device comprises an acceleration sensor 2, a temperature sensor 1, a main controller, a 5G communication module, a 5G antenna and a power supply; the acceleration sensor and the temperature sensor are connected with the input end of the main controller, the main controller is connected with the 5G communication module through an I/O interface, the 5G communication module is connected with the 5G antenna, and the acceleration sensor is arranged on the fixing part of the variable pitch bearing and used for monitoring the vibration of the variable pitch bearing; the temperature sensor is arranged on the end cover of the variable pitch bearing and used for monitoring the temperature of the variable pitch bearing; the wind farm is provided with a plurality of 5G communication base stations which are in communication connection with each other, and the 5G communication base stations are in communication connection with a central control room of the wind farm and portable terminals of operation and maintenance personnel; the acceleration sensor 2 and the temperature sensor 1 transmit acquired data to the main controller, the main controller transmits signals to an MH5000 5G communication module through a USB3.0 interface, the 5G communication module encodes signals of various sensors into 5G signals and transmits the 5G signals through an antenna, and the signals transmitted by the variable pitch monitoring device can be received through the mobile terminal and a 5G communication base station in a wind field; the operation and maintenance personnel can also analyze and judge the state of the pitch bearing by checking the data values received by the control room in the wind field or on the portable terminal, and the data reflects the completion of the real-time monitoring of the pitch bearing.

The power supply of the pitch bearing monitoring device of the embodiment adopts a storage battery, and the storage battery is generally connected with an electric energy output end of a power generation field, a distributed power supply or an external power supply.

In order to realize 5G signal transmission, at least one 5G communication base station is arranged in the wind field and used for realizing connection of a 5G communication module of each unit and a central control room of the wind field.

The utility model discloses a wind power plant electric energy output is connected to 5G communication base station's electric energy input, and the monitoring is realized in wind power plant operation period power supply, if still will continue to use and realize signal transmission, then can connect external power source simultaneously or connect the distributed solar panel assembly who is applicable to this 5G communication base station, can realize continuous power supply basically.

Referring to fig. 1, an acceleration sensor 2, a temperature sensor 1, a main controller, a 5G communication module, and a power supply are integrated into a single housing, which facilitates modular installation, and simultaneously prevents other signal acquisition components from interfering with the sensor, and avoids additional wiring or wiring together with the power supply; a power supply charging interface is arranged on the shell; the shell is provided with an installation ear plate 3, and the shell is connected with a fixed part in the cabin through the installation ear plate 3; the shell is provided with a power interface 5, and an external power supply charges the power supply inside the shell through the power interface 5.

As an alternative embodiment, the antenna 4 is installed outside the cabin, and the antenna 4 and the 5G communication module are connected by using a spare transmission line.

For convenience of installation and maintenance, the antenna 4 may also be installed separately, an antenna installation interface is provided on the circuit board, the antenna may be directly connected with the circuit board through the installation interface, and the antenna is installed at the opening of the cabin or outside the cabin.

5G communication basic station adopts miniature basic station, and its power and communication coverage are less than communication basic station commonly used.

The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.

Claims

1. A variable-pitch bearing monitoring device is characterized by comprising a temperature sensor (1), an acceleration sensor (2), a main controller, a communication module, an antenna (4) and a power supply; the acceleration sensor and the temperature sensor are connected with the input end of the main controller, the main controller is connected with the communication module through the I/O interface, and the communication module is connected with the antenna, wherein the acceleration sensor is arranged on the fixing part of the variable pitch bearing and used for monitoring the vibration of the variable pitch bearing; the temperature sensor is arranged on the end cover of the variable pitch bearing and used for monitoring the temperature of the variable pitch bearing.

2. The pitch bearing monitoring device of claim 1, wherein the communication module is an MH5000 5G communication module.

3. The pitch bearing monitoring device of claim 1, wherein the master controller is connected to the communication module via a USB3.0 interface.

4. A pitch bearing monitoring device according to claim 1, wherein the temperature sensor (1), the acceleration sensor (2), the main controller, the communication module and the power supply are integrally mounted on a shell; a power supply charging interface is arranged on the shell; the shell is provided with an installation ear plate (3), and the shell is connected with a fixed part in the engine room through the installation ear plate (3).

5. A pitch bearing monitoring device according to claim 4, wherein the power supply is a storage battery, a power supply interface (5) is arranged on the casing, and an external power supply charges the power supply inside the casing through the power supply interface (5).

6. The pitch bearing monitoring device according to claim 1, wherein each group of communication modules carries position information and a number of the wind turbine generator where the communication module is located, and a control room in a wind farm stores parameters corresponding to the number of the wind turbine generator.

7. A pitch bearing monitoring device according to claim 1, wherein the antenna (4) is mounted outside the nacelle, and the antenna (4) is connected with the communication module by a transmission line.

8. The pitch bearing monitoring device according to claim 1, wherein a plurality of 5G communication base stations which are in communication connection with each other are arranged in the wind field, and the 5G communication base stations are in communication connection with a central control room of the wind field and portable terminals of operation and maintenance personnel.

9. The pitch bearing monitoring device according to claim 8, wherein the power input end of the 5G communication base station is connected to the power output end of the wind farm.