Sealing device of wind generating set

Abstract

The utility model discloses a sealing device of a wind generating set, which relates to the technical field of wind generating sets and comprises a casing and a set mounting seat. A through groove is formed in the top face of the machine shell, a maintenance door is hinged to the left side face of the through groove, a ventilation pipe communicates with the right side of the top face of the machine shell, a sealing bearing is installed in a shaft groove in the left side face of the machine shell, the unit installation base is fixed to the bottom face in the machine shell, and an adjusting unit is arranged on the top face of the machine shell. A sealing cover and a sealing plate are installed in each adjusting unit, and a filtering unit is arranged on the top face of the ventilation pipe. The sealing device of the wind generating set further comprises a controller, the controller is installed on the rear side face of the interior of the machine shell, the sealing cover is used for being matched with the limiting frame to fix the maintenance door, and the sealing plate can shield an air inlet of the ventilation pipe by starting the motor; therefore, rainwater and dust which are caused by poor sealing performance can be prevented from entering and damaging electric parts of the unit.

Description

Technical Field

[0001] The utility model relates to the technical field of wind power generator sets, in particular to a sealing device for a wind power generator set. Background Art

[0002] The wind power source is composed of a wind turbine generator set, a tower supporting the generator set, a battery charging controller, an inverter, a load unloader, a grid-connected controller, a battery pack, etc.; the wind turbine generator set includes a wind wheel and a generator; the wind wheel contains blades, a hub, a reinforcement, etc.; it has the functions of blades rotating under wind power to generate electricity and the generator head rotating. In order to facilitate the maintenance of the generator in the casing, an inspection door is usually provided on the top of the casing, and a ventilation duct is also installed to achieve heat dissipation. However, the maintenance door and ventilation duct have poor sealing performance, which makes it easy for rainwater and dust to enter through the gaps at the connection and cause damage to the electrical components of the unit. For this reason, we propose a sealing device for a wind turbine generator set. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a sealing device for a wind turbine generator set. The maintenance door can be fixed by using a sealing cover in conjunction with a limit frame, and the starting motor can block the air inlet of the ventilation duct with the sealing plate, thereby preventing rainwater and dust caused by poor sealing from entering and causing damage to the electrical components of the unit, and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing device for a wind power generator set, comprising a casing and a set mounting seat;

[0005] Casing: A through slot is provided on the top surface, a maintenance door is hinged on the left side of the through slot, a ventilation pipe is connected to the right side of the top surface of the casing, a sealed bearing is installed in the shaft slot on the left side of the casing, the unit mounting seat is fixed to the bottom surface inside the casing, an adjustment unit is provided on the top surface of the casing, a sealing cover and a sealing plate are installed inside the adjustment unit, and a filter unit is provided on the top surface of the ventilation pipe;

[0006] The device further comprises a controller, which is installed on the rear side of the housing, and an input end of the controller is electrically connected to an output end of an external power supply.

[0007] The provided sealing cover can cover the maintenance door, while the sealing plate can cover the air inlet of the ventilation duct, thus preventing the problem of rainwater and dust entering due to poor sealing.

[0008] Furthermore, the adjustment unit includes a secondary sealing strip, a limit frame, a placement groove, a linear motor and a main sealing strip. There are two placement grooves, which are correspondingly opened on the left side of the top surface of the casing. A linear motor is fixed inside the placement groove. The top surface of the linear motor rotor seat is connected to one side of the bottom surface of the sealing cover. The main sealing strip is fixed to the bottom surface of the sealing cover. The limit frame is fixed to the middle of the top surface of the casing. A secondary sealing strip is fixed inside the limit frame. The input end of the linear motor is electrically connected to the output end of the controller. Starting the linear motor moves the sealing cover to the inside of the limit frame to cover the sealing cover. The main sealing strip and the secondary sealing strip can prevent rainwater from entering the interior of the casing through the gap between the sealing cover and the maintenance door, which is convenient for personnel to open and close the maintenance door for maintenance and can also increase the sealing of the maintenance door.

[0009] Furthermore, the adjusting unit also includes a screw, a connecting plate, a motor, a bracket and a sealing gasket. There are two connecting plates and they are respectively fixed at the two ends of the right side of the ventilation duct. A motor is fixed on the left side of the connecting plate. The output shaft of the motor is connected to the left end of the screw. The screw is threadedly connected to the screw hole on the surface of the sealing plate. Brackets are fixed at both ends of the right side of the sealing gasket. The brackets are correspondingly plugged into the slots on the left side of the sealing plate. The input end of the motor is electrically connected to the output end of the controller. The motor is started to drive the screw to rotate, thereby pressing the sealing plate to the air inlet of the ventilation duct. The sealing gasket installed in conjunction with the bracket can prevent rainwater from entering the interior of the casing through the air inlet of the ventilation duct.

[0010] Furthermore, the filter unit includes a fixed cover, a dust filter, a mesh groove, a sealing ring and a mounting groove. The mesh groove is arranged on the top surface of the ventilation pipe, and a dust filter is inserted into the interior of the mesh groove. The mounting groove is arranged on the front and rear sides of the ventilation pipe, and the mounting groove is slidably installed with the mounting block on the inner side of the fixed cover. The sealing ring is fixed on the top surface of the ventilation pipe. The dust filter inside the mesh groove can prevent dust and other debris in the air from entering during ventilation, and the installed fixed cover and the sealing ring can prevent rainwater from entering from the inside of the mesh groove.

[0011] Furthermore, the filter unit also includes a clamping hole and a clamping block, wherein the clamping hole is opened on the side of the fixed cover, and the clamping block is fixed on the side of the ventilation pipe, and the clamping block is clamped into the inside of the clamping hole, thereby facilitating the disassembly and assembly of the fixed cover.

[0012] Furthermore, it also includes a rain sensor, which is fixedly installed on the top surface of the ventilation pipe. The output end of the rain sensor is electrically connected to the input end of the controller. The rain sensor can start the motor in time when it rains to prevent rainwater from entering through the ventilation pipe.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the sealing device of the wind turbine generator set has the following advantages:

[0014] 1. Start the linear motor to move the sealing cover to the inside of the limit frame to cover the sealing cover. Cooperate with the main sealing strip and the auxiliary sealing strip to prevent rainwater from entering the inside of the casing through the gap between the sealing cover and the maintenance door. This is convenient for personnel to open and close the maintenance door for maintenance and can also increase the sealing of the maintenance door.

[0015] 2. The screw is driven to rotate by starting the motor, thereby pressing the sealing plate to the air inlet of the ventilation duct. The sealing gasket installed with the bracket can prevent rainwater from entering the interior of the casing through the air inlet of the ventilation duct.

[0016] 3. The dust filter inside the mesh slot can prevent dust and other debris from entering the air during ventilation. The installed fixed cover and sealing ring can prevent rainwater from entering the mesh slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the adjustment unit of the utility model;

[0019] Figure 3 It is a partial enlarged structural schematic diagram of point A of the utility model.

[0020] In the figure: 1 casing, 2 adjustment unit, 21 auxiliary sealing strip, 22 limit frame, 23 placement slot, 24 linear motor, 25 main sealing strip, 26 screw, 27 connecting plate, 28 motor, 29 bracket, 210 sealing gasket, 3 filter unit, 31 fixed cover, 32 dust filter, 33 net slot, 34 sealing ring, 35 installation slot, 36 card hole, 37 card block, 4 through slot, 5 maintenance door, 6 ventilation pipe, 7 sealed bearing, 8 unit mounting seat, 9 sealing cover, 10 sealing plate, 11 rain sensor, 12 controller. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3 , This embodiment provides a technical solution: a sealing device for a wind turbine generator set, comprising a casing 1 and a unit mounting seat 8;

[0023] Casing 1: A through groove 4 is provided on the top surface, a maintenance door 5 is hinged on the left side of the through groove 4, a ventilation pipe 6 is connected to the right side of the top surface of the casing 1, a sealed bearing 7 is installed in the shaft groove on the left side of the casing 1, and the unit mounting seat 8 is fixed to the bottom surface inside the casing 1. An adjustment unit 2 is provided on the top surface of the casing 1, and the adjustment unit 2 includes a secondary sealing strip 21, a limit frame 22, a placement groove 23, a linear motor 24 and a main sealing strip 25. There are two placement grooves 23 and they are correspondingly opened on the left side of the top surface of the casing 1 front and back. A linear motor 24 is fixed inside the placement groove 23. The top surface of the mover seat of the linear motor 24 is connected to one side of the bottom surface of the sealing cover 9, the main sealing strip 25 is fixed to the bottom surface of the sealing cover 9, the limit frame 22 is fixed to the middle of the top surface of the casing 1, and the limit A secondary sealing strip 21 is fixed inside the frame 22, and the input end of the linear motor 24 is electrically connected to the output end of the controller 12. The linear motor 24 is started to move the sealing cover 9 to the inside of the limit frame 22 to cover the sealing cover 9. The main sealing strip 25 and the secondary sealing strip 21 can prevent rainwater from entering the inside of the casing 1 through the gap between the sealing cover 9 and the maintenance door 5, which is convenient for personnel to open and close the maintenance door 5 for maintenance, and can also increase the sealing of the maintenance door 5. The adjustment unit 2 also includes a screw 26, a connecting plate 27, a motor 28, a plug-in frame 29 and a sealing gasket 210. There are two connecting plates 27 and they are respectively fixed at the two ends of the right side of the ventilation pipe 6. The motor 28 is fixed on the left side of the connecting plate 27. The output shaft of the motor 28 is connected to the screw The left end of the rod 26 is connected, the screw 26 is threadedly connected to the screw hole on the surface of the sealing plate 10, and the two ends of the right side of the sealing gasket 210 are fixed with a bracket 29, and the bracket 29 is correspondingly plugged into the slot on the left side of the sealing plate 10. The input end of the motor 28 is electrically connected to the output end of the controller 12. The motor 28 is started to drive the screw 26 to rotate, so that the sealing plate 10 is pressed and fixed to the air inlet of the ventilation pipe 6. The sealing gasket 210 installed with the bracket 29 can prevent rainwater from entering the interior of the casing 1 through the air inlet of the ventilation pipe 6. The interior of the adjustment unit 2 is installed with a sealing cover 9 and a sealing plate 10. The top surface of the ventilation pipe 6 is provided with a filter unit 3, and the filter unit 3 includes a fixed cover 31, a dust filter 32, a mesh slot 33, a sealing ring 34 and an installation The mounting groove 35, the mesh groove 33 is arranged on the top surface of the ventilation pipe 6, the dust filter 32 is inserted into the mesh groove 33, the mounting groove 35 is arranged on the front and rear sides of the ventilation pipe 6, the mounting groove 35 is slidably installed with the mounting block on the inner side of the fixed cover 31, the sealing ring 34 is fixed on the top surface of the ventilation pipe 6, the dust filter 32 inside the mesh groove 33 can prevent dust and other debris in the air from entering during the ventilation process, the installed fixed cover 31 cooperates with the sealing ring 34 to prevent rainwater from entering from the inside of the mesh groove 33, the filter unit 3 also includes a card hole 36 and a card block 37, the card hole 36 is arranged on the side of the fixed cover 31, the card block 37 is fixed on the side of the ventilation pipe 6, and the card block 37 is inserted into the inside of the card hole 36, so as to facilitate the disassembly and assembly of the fixed cover 31;

[0024] Among them, it also includes a controller 12, which is installed on the rear side of the casing 1, and the input end of the controller 12 is electrically connected to the output end of the external power supply. The provided sealing cover 9 can cover the maintenance door 5, and the sealing plate 10 can cover the air inlet of the ventilation pipe 6, which can prevent the problem of rainwater and dust entering due to poor sealing. It also includes a rain sensor 11, which is fixedly installed on the top surface of the ventilation pipe 6, and the output end of the rain sensor 11 is electrically connected to the input end of the controller 12. The rain sensor 11 can start the motor 28 in time when it rains to prevent rainwater from entering through the ventilation pipe 6.

[0025] The working principle of a sealing device for a wind turbine generator set provided by the utility model is as follows: first, the unit mounting seat 8 is used to install the electrical components required for the wind turbine generator set, and the linear motor 24 is started to move the sealing cover 9 to the inside of the limit frame 22 to cover the sealing cover 9. The main sealing strip 25 and the auxiliary sealing strip 21 can prevent rainwater from entering the inside of the casing 1 through the gap between the sealing cover 9 and the maintenance door 5, which is convenient for personnel to open and close the maintenance door 5 for maintenance, and can also increase the sealing performance of the maintenance door 5. The dust filter 32 inside the mesh groove 33 can prevent dust and other debris in the air from entering during ventilation. The installed fixed cover 31 cooperates with the sealing ring 34 to prevent rainwater from entering from the inside of the mesh groove 33. The rainfall sensor 11 can start the motor 28 in time when it rains, and the motor 28 drives the screw 26 to rotate, so that the sealing plate 10 is pressed and fixed to the air inlet of the ventilation pipe 6. The sealing pad 210 installed in cooperation with the plug-in frame 29 can prevent rainwater from entering the inside of the casing 1 through the air inlet of the ventilation pipe 6.

[0026] It is worth noting that the controller 12 disclosed in the above embodiment uses the model S7-200, and the linear motor 24 can be freely configured according to the actual application scenario. It is recommended to use the linear motor model JL-C16, the motor 28 can use the servo motor model 80M-03230C10-C, and the rain sensor 11 can use the rain sensor model HY-RS001. The controller 12 controls the linear motor 24, the motor 28 and the rain sensor 11 to work using the methods commonly used in the prior art.

[0027] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A sealing device for a wind turbine generator set, characterized in that: It comprises a casing (1) and a unit mounting seat (8); The casing (1) has a through groove (4) on the top surface, a maintenance door (5) is hinged on the left side of the through groove (4), a ventilation pipe (6) is connected to the right side of the top surface of the casing (1), a sealed bearing (7) is installed in the shaft groove on the left side of the casing (1), the unit mounting seat (8) is fixed to the bottom surface of the casing (1), an adjustment unit (2) is provided on the top surface of the casing (1), a sealing cover (9) and a sealing plate (10) are installed inside the adjustment unit (2), and a filter unit (3) is provided on the top surface of the ventilation pipe (6); It also includes a controller (12), which is installed on the rear side of the housing (1), and the input end of the controller (12) is electrically connected to the output end of an external power supply.

2. A sealing device for a wind turbine generator set according to claim 1, characterized in that: The adjustment unit (2) comprises a secondary sealing strip (21), a limiting frame (22), a placement groove (23), a linear motor (24) and a main sealing strip (25); the placement grooves (23) are two and are correspondingly arranged on the left side of the top surface of the casing (1) in a front and rear manner; a linear motor (24) is fixed inside the placement groove (23); the top surface of the mover seat of the linear motor (24) is connected to one side of the bottom surface of the sealing cover (9); the main sealing strip (25) is fixed to the bottom surface of the sealing cover (9); the limiting frame (22) is fixed to the middle part of the top surface of the casing (1); the secondary sealing strip (21) is fixed inside the limiting frame (22); and the input end of the linear motor (24) is electrically connected to the output end of the controller (12).

3. The sealing device of a wind turbine generator set according to claim 1, characterized in that: The regulating unit (2) further comprises a screw rod (26), a connecting plate (27), a motor (28), a plug-in bracket (29) and a sealing gasket (210). There are two connecting plates (27) and they are respectively fixed at the two ends of the right side of the ventilation pipe (6). The left side of the connecting plate (27) is fixed with a motor (28). The output shaft of the motor (28) is connected to the left end of the screw rod (26). The screw rod (26) is threadedly connected to the screw hole on the surface of the sealing plate (10). Plug-in brackets (29) are fixed to both ends of the right side of the sealing gasket (210). The plug-in brackets (29) are correspondingly plugged into the slots on the left side of the sealing plate (10). The input end of the motor (28) is electrically connected to the output end of the controller (12).

4. A sealing device for a wind turbine generator set according to claim 1, characterized in that: The filter unit (3) comprises a fixed cover (31), a dust filter (32), a mesh groove (33), a sealing ring (34) and a mounting groove (35); the mesh groove (33) is arranged on the top surface of the ventilation pipe (6); the dust filter (32) is inserted into the mesh groove (33); the mounting groove (35) is arranged on the front and rear sides of the ventilation pipe (6); the mounting groove (35) is slidably mounted with a mounting block on the inner side of the fixed cover (31); and the sealing ring (34) is fixed on the top surface of the ventilation pipe (6).

5. A sealing device for a wind turbine generator set according to claim 4, characterized in that: The filter unit (3) further comprises a clamping hole (36) and a clamping block (37); the clamping hole (36) is provided on the side of the fixing cover (31); and the clamping block (37) is fixed on the side of the ventilation pipe (6).

6. The sealing device of a wind turbine generator set according to claim 1, characterized in that: It also comprises a rain sensor (11), wherein the rain sensor (11) is fixedly mounted on the top surface of the ventilation pipe (6), and the output end of the rain sensor (11) is electrically connected to the input end of the controller (12).

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