CN214944717U - Overspeed prevention control device for wind turbine generator - Google Patents
Overspeed prevention control device for wind turbine generator Download PDFInfo
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- CN214944717U CN214944717U CN202121072553.XU CN202121072553U CN214944717U CN 214944717 U CN214944717 U CN 214944717U CN 202121072553 U CN202121072553 U CN 202121072553U CN 214944717 U CN214944717 U CN 214944717U
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- overspeed
- box
- wind turbine
- turbine generator
- generator system
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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 wind turbine generator system prevents overspeed control device, the utility model discloses, including fixed box and mounting box, the cutting ferrule is installed to the inside top of fixed box and bottom, the internally mounted of cutting ferrule has first spring, the fixture block is installed to the one end of first spring, the second spring is installed to the inside one end of fixed box, the clamp plate is installed to the one end of second spring, the inside joint of fixed box has the overspeed monitoring box. The utility model discloses, rotational speed inductor cooperation magnet steel through setting up carries out the overspeed monitoring, when the magnet steel through the time interval of rotational speed inductor is more and more short, the rotational speed inductor in time with signal transmission for overspeed control unit, control wind turbine generator system through overspeed control unit, carry out yaw control when taking place the overspeed phenomenon, also can control wind turbine generator system timely when not taking place dangerous situation, prevent the hypervelocity, timely protection wind turbine generator system.
Description
The technical field is as follows:
the utility model relates to a wind turbine generator system technical field specifically is a wind turbine generator system prevents overspeed control device.
Background art:
the wind power generation power supply comprises a wind generating set, a tower frame for supporting the generating set, a storage battery charging controller, an inverter, an unloader, a grid-connected controller, a storage battery pack and the like; the wind generating set comprises a wind wheel and a generator; the wind wheel comprises blades, a hub, a reinforcing member and the like; it has the functions of wind driven blade rotation to generate electricity, generator head rotation, etc.
With the rapid development of the wind power industry, the accidents of stalling, runaway and tower collapse of the wind generation set are increased gradually, great economic losses are caused to wind power owners, fan manufacturers and relevant parties, the healthy development of the industry is seriously influenced, and the main reasons of the accidents are that the fan is overspeed, so that the accidents are caused to occur, and finally the runaway and the tower collapse are realized.
The utility model has the following contents:
an object of the utility model is to provide a wind turbine generator system prevents overspeed control device to solve the not enough of prior art.
The utility model discloses by following technical scheme implement: the utility model provides a wind turbine generator system prevents overspeed controlling means, includes fixed box and mounting box, the cutting ferrule is installed on the inside top of fixed box and bottom, the internally mounted of cutting ferrule has first spring, the fixture block is installed to the one end of first spring, the second spring is installed to the inside one end of fixed box, the clamp plate is installed to the one end of second spring, the inside joint of fixed box has the overspeed monitoring box, overspeed control unit is installed to the inside one end of overspeed monitoring box, the inside one end of keeping away from the overspeed control unit of overspeed monitoring box installs the rotational speed inductor, the mounting box is installed to inside screw thread, the magnet steel is installed to the inside one end of mounting block, the layering has been cup jointed to the surface of mounting box, the mounting bracket is installed at the both ends of layering, overspeed control unit includes power, signal transmission module, mainboard, signal receiving module, yaw system.
Preferably, one end of the pressure plate is in contact with one end of the overspeed monitoring cassette.
Preferably, the top and the bottom of the overspeed monitoring box are provided with clamping grooves matched with the clamping blocks.
Preferably, the rotating speed sensor corresponds to the magnetic steel in position.
Preferably, the surface of the pressing strip, which is contacted with the outer surface of the mounting box, is provided with an anti-slip sheet.
Preferably, the outer surface of the fixing box is provided with a pressing strip, the mounting frame is provided with a through hole, and a bolt is arranged in the through hole.
The utility model has the advantages that:
1. this wind turbine generator system prevents overspeed control device, rotational speed inductor cooperation magnet steel through setting is hypervelocity monitoring, when the magnet steel is more and more short through the time interval of rotational speed inductor, the rotational speed inductor is timely with signal transmission for overspeed control unit, control wind turbine generator system through overspeed control unit, carry out yaw control when taking place the hypervelocity phenomenon, also can be when not taking place dangerous situation in time control wind turbine generator system, prevent the hypervelocity, timely protection wind turbine generator system.
2. This wind turbine generator system prevents overspeed controlling means is provided with the cutting ferrule, and inside first spring and fixture block will overspeed the monitoring box and fix in the inside of fixed box, very convenience when need change in routine maintenance.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic view of the connection relationship between the mounting frame and the pressing bar of the present invention.
In the figure: 1. a fixing box; 2. a card sleeve; 3. a first spring; 4. a clamping block; 5. a second spring; 6. pressing a plate; 7. an overspeed control unit; 8. an overspeed monitoring box; 9. a rotational speed sensor; 10. mounting a box; 11. mounting blocks; 12. magnetic steel; 13. a mounting frame; 14. and (7) pressing strips.
The specific implementation mode is as follows:
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 only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a wind turbine generator system prevents overspeed controlling means, including fixed box 1 and mounting box 10, cutting ferrule 2 is installed to fixed box 1 inside top and bottom, the internally mounted of cutting ferrule 2 has first spring 3, fixture block 4 is installed to the one end of first spring 3, second spring 5 is installed to the inside one end of fixed box 1, clamp plate 6 is installed to the one end of second spring 5, the inside joint of fixed box 1 has overspeed monitoring box 8, overspeed control unit 7 is installed to the inside one end of overspeed monitoring box 8, the inside one end of keeping away from overspeed control unit 7 of overspeed monitoring box 8 is installed rotational speed inductor 9, mounting block 11 is installed to the internal screw thread of mounting box 10, magnet steel 12 is installed to the inside one end of mounting block 11, layering 14 is cup jointed to the surface of mounting box 10, mounting bracket 13 is installed at the both ends of layering 14, overspeed control unit 7 includes the power, signal transmission module, Mainboard, signal reception module, driftage system.
In this embodiment, one end of the pressure plate 6 is in contact with one end of the overspeed monitoring cassette 8, and the pressure plate 6 can push the overspeed monitoring cassette 8 out of the fixing cassette 1 by the elastic force of the second spring 5.
In this implementation, the top and the bottom of the overspeed monitoring box 8 are provided with clamping grooves matched with the clamping blocks 4, and the clamping blocks 4 are clamped into the clamping grooves to fix the overspeed monitoring box 8 in the fixing box 1.
In this embodiment, the positions of the rotation speed sensor 9 and the magnetic steel 12 correspond to each other, and when the magnetic steel 12 rotates, the magnetic steel passes through the rotation speed sensor 9 due to the correspondence between the position of the magnetic steel and the position of the rotation speed sensor 9, so that the rotation speed sensor senses the rotation speed.
In this embodiment, the surface of the bead 14 contacting the outer surface of the mounting box 10 is provided with an anti-slip sheet, and the anti-slip sheet prevents the mounting box 10 and the fixing box 1 from separating from the bead 14.
In this embodiment, the outer surface of the fixing box 1 is provided with a pressing strip 14, the mounting frame 13 is provided with a through hole and a bolt is arranged in the through hole, and the mounting frame 13 is fixed in the hub and the engine room through the bolt.
The working principle is as follows: the mounting frame 13 is fixed in the engine room through bolts, so that the fixing box 1 is mounted in the engine room through the pressing strip 14, then the mounting box 10 is mounted in the wheel hub, when the wind turbine generator works, the blades rotate, the mounting box 10 in the wheel hub also rotates, when the magnetic steel 12 rotates, the rotating speed is transmitted to the overspeed control unit 7 through the rotating speed sensor 9 to be controlled, overspeed information is transmitted out in time to prevent overspeed, the overspeed monitoring box 8 is convenient to disassemble, the overspeed monitoring box 8 is pressed when needing to be replaced, the clamping block 4 is separated from the clamping groove, the second spring 5 is compressed, after the hands are loosened, the second spring 5 drives the pressing plate 6 to eject the overspeed monitoring box 8 for maintenance and replacement, when the mounting box is replaced and installed back, the clamping block 4 is compressed when the mounting box is pushed in, the first spring 3 is driven to be compressed, when the clamping block 4 reaches the position of the clamping groove, the first spring 3 drives the clamping block 4 to reset so as to fix the overspeed monitoring box 8, and the mounting block 11 can be taken out of the mounting box 10 for maintenance and replacement.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a wind turbine generator system prevents overspeed controlling means, includes fixed box (1) and mounting box (10), its characterized in that: the fixing box is characterized in that the clamping sleeve (2) is installed at the top end and the bottom end inside the fixing box (1), a first spring (3) is installed inside the clamping sleeve (2), a clamping block (4) is installed at one end of the first spring (3), a second spring (5) is installed at one end inside the fixing box (1), a pressing plate (6) is installed at one end of the second spring (5), an overspeed monitoring box (8) is clamped inside the fixing box (1), an overspeed control unit (7) is installed at one end inside the overspeed monitoring box (8), a rotating speed sensor (9) is installed at one end, far away from the overspeed control unit (7), inside the overspeed monitoring box (8), a mounting block (11) is installed on the inner thread of the mounting box (10), magnetic steel (12) is installed at one end inside the mounting block (11), and a pressing strip (14) is sleeved on the outer surface of the mounting box (10), mounting racks (13) are installed at two ends of the pressing bar (14), and the overspeed control unit (7) comprises a power supply, a signal transmission module, a main board, a signal receiving module and a yawing system.
2. The wind turbine generator system overspeed prevention control device according to claim 1, characterized in that: one end of the pressure plate (6) is in contact with one end of the overspeed monitoring box (8).
3. The wind turbine generator system overspeed prevention control device according to claim 1, characterized in that: and clamping grooves matched with the clamping blocks (4) are formed in the top and the bottom of the overspeed monitoring box (8).
4. The wind turbine generator system overspeed prevention control device according to claim 1, characterized in that: the rotating speed sensor (9) corresponds to the magnetic steel (12).
5. The wind turbine generator system overspeed prevention control device according to claim 1, characterized in that: and the surface of the pressing strip (14) contacted with the outer surface of the mounting box (10) is provided with an anti-slip sheet.
6. The wind turbine generator system overspeed prevention control device according to claim 1, characterized in that: the outer surface of the fixing box (1) is provided with a pressing strip (14), the mounting frame (13) is provided with a through hole, and a bolt is arranged in the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121072553.XU CN214944717U (en) | 2021-05-18 | 2021-05-18 | Overspeed prevention control device for wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121072553.XU CN214944717U (en) | 2021-05-18 | 2021-05-18 | Overspeed prevention control device for wind turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214944717U true CN214944717U (en) | 2021-11-30 |
Family
ID=79061681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121072553.XU Active CN214944717U (en) | 2021-05-18 | 2021-05-18 | Overspeed prevention control device for wind turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214944717U (en) |
-
2021
- 2021-05-18 CN CN202121072553.XU patent/CN214944717U/en active Active
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