Online monitoring system for lubricating state of wind turbine generator

Abstract

The utility model relates to the technical field of wind turbine generators, in particular to a wind turbine generator lubrication state on-line monitoring system which comprises a detection sleeve, a monitoring mechanism is arranged in the detection sleeve, a binding post is installed on the front face of the detection sleeve, and a controller is installed on the front face of the detection sleeve and below the binding post. The two sides of the detection sleeve are fixedly connected with data transmission antennas. The monitoring mechanism comprises a flow guide pipe fixedly connected to the top of the detection sleeve, and a detection tank is arranged at the bottom of the flow guide pipe and in the detection sleeve. The problem that when an existing on-line monitoring system for the lubricating state of the wind turbine generator set is used, lubricating oil is left in the device after being detected, and the precision of next detection is affected is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of wind turbine sets, in particular to an online monitoring system for the lubrication state of a wind turbine set. Background Art

[0002] The online monitoring system for the lubrication status of a wind turbine is a device used to detect the status of the lubricating oil inside the gearbox of a wind turbine in real time. However, the existing online monitoring system for the lubrication status of a wind turbine still has shortcomings. Specifically, when the existing online monitoring system for the lubrication status of a wind turbine is in use, the lubricating oil will remain inside the device after detection, affecting the accuracy of the next detection.

[0003] Therefore, an online monitoring system for the lubrication status of a wind turbine is needed to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide an online monitoring system for the lubrication status of a wind turbine generator set to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An online monitoring system for the lubrication status of a wind turbine generator system comprises a detection sleeve, a monitoring mechanism is arranged inside the detection sleeve, a terminal is installed on the front of the detection sleeve, a controller is installed on the front of the detection sleeve and below the terminal, and data transmission antennas are fixedly connected to both sides of the detection sleeve;

[0007] The monitoring mechanism includes a guide tube fixedly connected to the top of the detection sleeve, a detection tank is arranged at the bottom of the guide tube and inside the detection sleeve, a temperature sensor, a viscosity sensor and a moisture sensor are installed on both sides of the inner wall of the detection tank from top to bottom, a sealing plug is slidably connected inside the detection tank and above the temperature sensor, a guide rod is fixedly connected to the bottom of the sealing plug, a reset spring is fixedly connected to the bottom of the sealing plug and on both sides of the guide rod, a traction rope is fixedly connected to the outer wall of the sealing plug and near the position of the reset spring, the bottom end of the traction rope is fixedly connected to a rotating shaft, the outer wall of the rotating shaft is fixedly connected to a servo motor, and a through groove is opened on the outer wall of the guide tube.

[0008] As a preferred solution of the present invention, the detection sleeve is made of aluminum alloy, and the connection between the terminal, the data transmission antenna and the controller is electrical connection.

[0009] As a preferred solution of the utility model, the guide tube and the detection tank are both made of aluminum alloy, the shape of the sealing plug is adapted to the shape of the detection tank, and the connection between the reset spring and the servo motor and the detection sleeve is a fixed connection.

[0010] As a preferred solution of the utility model, the sealing plug is made of silicone, the guide rod passes through and extends to the outside of the detection tank, and the connection between the guide rod and the detection tank is a sliding connection.

[0011] As a preferred solution of the utility model, the through grooves are provided in four groups, the rotating shaft is connected to the detection tank by a rotating connection, and the guide tube passes through and extends into the detection sleeve.

[0012] As a preferred solution of the utility model, the traction rope is made of nylon rope, and the temperature sensor, viscosity sensor, moisture sensor and servo motor are all connected to the controller electrically.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, an online monitoring system for the lubrication status of a wind turbine is designed. The monitoring mechanism in the device is used to detect the lubricating oil. The detection sleeve is installed on the outer wall of the gear box, and the guide pipe is inserted into the gear box. The lubricating oil in the gear box will flow into the guide pipe along the through groove. During the detection, the controller starts the servo motor, and the servo motor drives the rotating shaft to rotate. The rotating rotating shaft will retract the traction rope. The retracted traction rope will drive the sealing plug to move downward. The sealing plug moving downward no longer blocks the guide pipe. The lubricating oil in the guide pipe will flow into the detection tank along the guide pipe. The temperature sensor, moisture sensor, and viscosity sensor in the detection tank are detected. The sensor detects the lubricating oil, and the detection result is transmitted to the remote terminal through the data transmission antenna. After the detection is completed, the servo motor will drive the rotating shaft to rotate in the opposite direction, and the rotating shaft rotating in the opposite direction will release the traction rope. The traction rope no longer pulls the sealing plug, and the reset spring will push the sealing plug upward. The sealing plug moving upward will push the lubricating oil in the detection tank into the guide pipe, and the lubricating oil will return to the gear box. The lubricating oil is not easy to remain in the detection tank, which solves the problem that when the existing online monitoring system of the lubrication status of wind turbines is in use, the lubricating oil will remain inside the device after detection, affecting the accuracy of the next detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a front cross-sectional view of the utility model;

[0017] Figure 3 For this utility model Figure 2Enlarged view of point A in the middle.

[0018] In the figure: 1. detection sleeve; 2. monitoring mechanism; 3. terminal; 4. controller; 5. data transmission antenna; 201. guide tube; 202. detection tank; 203. temperature sensor; 204. viscosity sensor; 205. moisture sensor; 206. sealing plug; 207. guide rod; 208. reset spring; 209. traction rope; 210. rotating rod; 211. servo motor; 212. through groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0021] An online monitoring system for the lubrication status of a wind turbine generator system comprises a detection sleeve 1, a monitoring mechanism 2 is arranged inside the detection sleeve 1, a terminal 3 is installed on the front of the detection sleeve 1, a controller 4 is installed on the front of the detection sleeve 1 and below the terminal 3, and data transmission antennas 5 are fixedly connected to both sides of the detection sleeve 1;

[0022] The detection sleeve 1 is made of aluminum alloy, and the connection between the terminal 3, the data transmission antenna 5 and the controller 4 is electrically connected;

[0023] In this embodiment, reference Figure 2 and Figure 3 The monitoring mechanism 2 includes a guide tube 201 fixedly connected to the top of the detection sleeve 1, a detection tank 202 is arranged at the bottom of the guide tube 201 and inside the detection sleeve 1, a temperature sensor 203, a viscosity sensor 204 and a moisture sensor 205 are installed on both sides of the inner wall of the detection tank 202 from top to bottom, a sealing plug 206 is slidably connected inside the detection tank 202 and above the temperature sensor 203, a guide rod 207 is fixedly connected to the bottom of the sealing plug 206, a reset spring 208 is fixedly connected to the bottom of the sealing plug 206 and on both sides of the guide rod 207, a traction rope 209 is fixedly connected to the outer wall of the sealing plug 206 and near the reset spring 208, a rotating shaft 210 is fixedly connected to the bottom end of the traction rope 209, a servo motor 211 is fixedly connected to the outer wall of the rotating shaft 210, and a through groove 212 is opened on the outer wall of the guide tube 201;

[0024] The guide tube 201 and the detection tank 202 are both made of aluminum alloy, the shape of the sealing plug 206 is adapted to the shape of the detection tank 202, the reset spring 208 and the servo motor 211 are connected to the detection sleeve 1 in a fixed manner, the sealing plug 206 is made of silicone, the guide rod 207 passes through and extends to the outside of the detection tank 202, the guide rod 207 is connected to the detection tank 202 in a sliding manner, four groups of through grooves 212 are provided, the rotating shaft 210 is connected to the detection tank 202 in a rotating manner, the guide tube 201 passes through and extends into the detection sleeve 1, the traction rope 209 is made of nylon rope, the temperature sensor 203, the viscosity sensor 204, the moisture sensor 205 and the servo motor 211 are connected to the controller 4 in an electrically connected manner, and the controller The device 4 starts the servo motor 211, and the servo motor 211 drives the rotating shaft 210 to rotate. The rotating rotating shaft 210 will retract the traction rope 209, and the retracted traction rope 209 will drive the sealing plug 206 to move downward. The sealing plug 206 moving downward will no longer block the guide tube 201, and the lubricating oil in the guide tube 201 will flow into the detection tank 202 along the guide tube 201. After the detection is completed, the servo motor 211 will drive the rotating shaft 210 to rotate in the opposite direction, and the rotating shaft 210 rotating in the opposite direction will release the traction rope 209, and the traction rope 209 will no longer hold the sealing plug 206. The reset spring 208 will push the sealing plug 206 to move upward, and the sealing plug 206 moving upward will push the lubricating oil in the detection tank 202 into the guide tube 201, and the lubricating oil will return to the gear box.

[0025] The working process of the utility model: when the online monitoring system for the lubrication status of the wind turbine designed by the present invention is in operation, the detection sleeve 1 is installed on the outer wall of the gear box, so that the guide pipe 201 is inserted into the gear box, and the lubricating oil in the gear box will flow into the guide pipe 201 along the through groove 212. During the detection, the controller 4 starts the servo motor 211, and the servo motor 211 drives the rotating shaft 210 to rotate. The rotating rotating shaft 210 will retract the traction rope 209, and the retracted traction rope 209 will drive the sealing plug 206 to move downward. The sealing plug 206 moving downward no longer blocks the guide pipe 201, and the lubricating oil in the guide pipe 201 will flow along the guide pipe 20 1 flows into the detection tank 202, and the temperature sensor 203, the moisture sensor 205, and the viscosity sensor 204 in the detection tank 202 detect the lubricating oil. The detection result will be transmitted to the remote terminal through the data transmission antenna 5. After the detection is completed, the servo motor 211 will drive the rotating shaft 210 to rotate in the opposite direction, and the rotating shaft 210 rotating in the opposite direction will release the traction rope 209. The traction rope 209 no longer pulls the sealing plug 206, and the return spring 208 will push the sealing plug 206 to move upward. The sealing plug 206 moving upward will push the lubricating oil in the detection tank 202 into the guide pipe 201, and the lubricating oil will return to the gear box.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An online monitoring system for lubrication status of a wind turbine generator system, comprising a detection sleeve (1), characterized in that: A monitoring mechanism (2) is arranged inside the detection sleeve (1), a terminal (3) is installed on the front of the detection sleeve (1), a controller (4) is installed on the front of the detection sleeve (1) and below the terminal (3), and data transmission antennas (5) are fixedly connected to both sides of the detection sleeve (1); The monitoring mechanism (2) comprises a flow guide tube (201) fixedly connected to the top of the detection sleeve (1); a detection tank (202) is arranged at the bottom of the flow guide tube (201) and inside the detection sleeve (1); a temperature sensor (203), a viscosity sensor (204) and a moisture sensor (205) are installed on both sides of the inner wall of the detection tank (202) from top to bottom; a sealing plug (206) is slidably connected inside the detection tank (202) and above the temperature sensor (203); the sealing plug (206) 6) is fixedly connected to a guide rod (207) at the bottom, a return spring (208) is fixedly connected to the bottom of the sealing plug (206) and on both sides of the guide rod (207), a traction rope (209) is fixedly connected to the outer wall of the sealing plug (206) and near the position of the return spring (208), the bottom end of the traction rope (209) is fixedly connected to a rotating shaft (210), the outer wall of the rotating shaft (210) is fixedly connected to a servo motor (211), and the outer wall of the guide tube (201) is provided with a through groove (212).

2. The online monitoring system for lubrication status of a wind turbine according to claim 1, characterized in that: The detection sleeve (1) is made of aluminum alloy, and the connection between the terminal (3), the data transmission antenna (5) and the controller (4) is electrically connected.

3. The online monitoring system for lubrication status of a wind turbine according to claim 1, characterized in that: The flow guide tube (201) and the detection tank (202) are both made of aluminum alloy, the shape of the sealing plug (206) is compatible with the shape of the detection tank (202), and the connection mode between the reset spring (208) and the servo motor (211) and the detection sleeve (1) is a fixed connection.

4. The online monitoring system for lubrication status of a wind turbine according to claim 1, characterized in that: The sealing plug (206) is made of silicone, the guide rod (207) penetrates and extends to the outside of the detection tank (202), and the connection between the guide rod (207) and the detection tank (202) is a sliding connection.

5. The online monitoring system for lubrication status of a wind turbine according to claim 1, characterized in that: The through grooves (212) are provided in four groups. The rotating shaft (210) is connected to the detection tank (202) in a rotating manner. The flow guide tube (201) passes through and extends into the detection sleeve (1).

6. The online monitoring system for lubrication status of a wind turbine according to claim 1, characterized in that: The traction rope (209) is made of nylon rope, and the temperature sensor (203), viscosity sensor (204), moisture sensor (205) and servo motor (211) are all electrically connected to the controller (4).

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