CN214092139U - Protection device of wind power generator case - Google Patents

Abstract

The utility model relates to a aerogenerator case technical field discloses a protection device of aerogenerator case, which comprises a column, the top fixedly connected with machine case of stand, the inner chamber of machine case is equipped with the pivot, the right-hand member of pivot runs through the right side of arranging machine case in to quick-witted case. The utility model discloses a revolution speed sensor, microprocessor, the setting of push rod motor and braking plate, when the slew velocity of flabellum is too fast, revolution speed sensor monitors pivot pivoted speed, it is too fast when pivot pivoted speed, thereby revolution speed sensor gives microprocessor with data transmission, then microprocessor handles into the signal of telecommunication to data and sends for the push rod motor, thereby push rod motor work promotes braking plate and pivot contact, thereby there is frictional force between braking plate and the pivot, thereby can reduce the slew velocity of countershaft, further reduce flabellum pivoted speed, thereby can avoid flabellum pivoted speed too fast, cause the flabellum to drop the emergence accident.

Description

Protection device of wind power generator case

Technical Field

The utility model relates to a aerogenerator case technical field specifically is a protection device of aerogenerator case.

Background

With the continuous development of science and technology, people are dedicated to research on the development of new energy sources such as wind energy, electric energy, ocean energy and the like, and wind power generation is widely used in recent years.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: the existing wind driven generator has the problem that under the strong wind environment, the fan blades are too fast to rotate, so that the fan blades fall off to cause accidents, and therefore the protection device of the wind driven generator box is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protection device of wind power generation machine case has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a protection device of a wind power generator box comprises an upright post, wherein the top of the upright post is fixedly connected with a machine box, an inner cavity of the machine box is provided with a rotating shaft, the right end of the rotating shaft penetrates through the right side of the machine box, the right end of the rotating shaft is fixedly provided with fan blades, the bottom end of the inner cavity of the machine box is fixedly provided with a generator set, the right end of the generator set is fixedly connected with a driven gear, the outer wall of the rotating shaft of the inner cavity of the machine box is fixedly connected with a driving gear, the driving gear is meshed with the driven gear, the top of the inner cavity of the machine box is fixedly provided with a microprocessor and a rotating speed sensor, the rotating speed sensor corresponds to the rotating shaft, the upper end and the lower end of the inner cavity of the machine box are fixedly provided with push rod motors, the output ends of the two push rod motors are fixedly connected with brake plates which are both in a semi-circular arc shape, and the data output end of the rotating speed sensor is connected with the data input end of the microprocessor, and the signal output end of the microprocessor is respectively connected with the signal input ends of the two push rod motors.

As a preferred embodiment of the present invention, two rubber pads are fixedly mounted on the inner sides of the braking plates.

As an embodiment of the present invention, the outer wall of the case is fixedly connected with a plurality of heat dissipation fins, which are distributed on the outer wall of the case at equal intervals.

As an optimized embodiment of the present invention, the inner chamber bottom left side of the case is fixedly connected with a balancing weight.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a protection device of wind power generation case, through rotational speed sensor, microprocessor, the setting of push rod motor and braking plate, when the slew velocity of flabellum is too fast, rotational speed sensor monitors the speed of pivot pivoted, it is too fast when pivot pivoted speed, thereby rotational speed sensor gives microprocessor with data transmission, then microprocessor handles into the signal of telecommunication to data and sends for the push rod motor, thereby push rod motor work promotes braking plate and pivot contact, thereby there is frictional force between braking plate and the pivot, thereby can reduce the slew velocity of countershaft, further reduce flabellum pivoted speed, thereby can avoid flabellum pivoted speed too fast, cause the flabellum to drop the emergence accident.

2. The utility model relates to a protection device of wind power generation machine case through the setting of rubber pad to can the effectual frictional force that increases braking plate and pivot, thereby can the effectual effect that increases braking plate braking pivot.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the internal structure of a protection device of a wind turbine generator box according to the present invention;

fig. 2 is a schematic view of an external structure of a case of a protection device of a wind turbine case of the present invention;

fig. 3 is a side view of the brake plate and the rotating shaft of the protection device of the wind power generator box of the present invention.

In the figure: 1. a column; 2. a chassis; 3. a microprocessor; 4. a driving gear; 5. a rotational speed sensor; 6. a push rod motor; 7. a brake plate; 8. a rotating shaft; 9. a fan blade; 10. a generator set; 11. a balancing weight; 12. a driven gear; 13. heat dissipation fins; 14. and (7) a rubber pad.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-3, the present invention provides a technical solution: a protection device of a wind power generator box comprises an upright post 1, wherein the top of the upright post 1 is fixedly connected with a machine box 2, an inner cavity of the machine box 2 is provided with a rotating shaft 8, the right end of the rotating shaft 8 penetrates through the machine box 2 and is arranged on the right side of the machine box 2, the right end of the rotating shaft 8 is fixedly provided with a fan blade 9, the bottom end of the inner cavity of the machine box 2 is fixedly provided with a generator set 10, the right end of the generator set 10 is fixedly connected with a driven gear 12, the outer wall of the rotating shaft 8 of the inner cavity of the machine box 2 is fixedly connected with a driving gear 4, the driving gear 4 is meshed with the driven gear 12, the top of the inner cavity of the machine box 2 is fixedly provided with a microprocessor 3 and a rotating speed sensor 5, the rotating speed sensor 5 corresponds to the rotating shaft 8, the upper end and the lower end of the inner cavity of the machine box 2 are fixedly provided with push rod motors 6, and the output ends of the two push rod motors 6 are fixedly connected with a brake plate 7, two braking plates 7 are both in a semi-arc shape, the data output end of the rotating speed sensor 5 is connected with the data input end of the microprocessor 3, the signal output end of the microprocessor 3 is respectively connected with the signal input ends of two push rod motors 6, through the arrangement of the rotating speed sensor 5, the microprocessor 3, the push rod motors 6 and the braking plates 7, when the rotating speed of the fan blades 9 is too high, the rotating speed sensor 5 monitors the rotating speed of the rotating shaft 8, when the rotating speed of the rotating shaft 8 is too high, the rotating speed sensor 5 sends data to the microprocessor 3, then the microprocessor 3 processes the data into electric signals to send the electric signals to the push rod motors 6, so that the push rod motors 6 work to push the braking plates 7 to contact with the rotating shaft 8, friction force exists between the braking plates 7 and the rotating shaft 8, the rotating speed of the rotating shaft 8 can be reduced, and the rotating speed of the fan blades 9 is further reduced, therefore, the accidents caused by falling of the fan blades 9 due to the fact that the rotating speed of the fan blades 9 is too high can be avoided.

In this embodiment (as shown in fig. 3), rubber pads 14 are fixedly mounted on the inner sides of the two braking plates 7, and the friction between the braking plates 7 and the rotating shaft 8 can be effectively increased by the arrangement of the rubber pads 14, so that the effect of braking the rotating shaft 8 by the braking plates 7 can be effectively increased.

In this embodiment (see fig. 2), the outer wall of the case 2 is fixedly connected with a plurality of heat dissipation fins 13, the plurality of heat dissipation fins 13 are equidistantly distributed on the outer wall of the case 2, and the heat dissipation effect of the case 2 can be effectively increased by the arrangement of the heat dissipation fins 13, so that the generator set 10 is prevented from being damaged due to heat accumulation caused by long-time operation of the generator set 10.

In this embodiment (please refer to fig. 1), the left side of the bottom end of the inner cavity of the chassis 2 is fixedly connected with a counterweight 11, and the arrangement of the counterweight 11 can maintain the same gravity on the left side and the right side of the chassis 2, thereby further improving the stability of the installation of the chassis 2.

It should be noted that the utility model relates to a protection device for wind power generator box, which comprises a vertical column 1, a machine case 2, a microprocessor 3, a driving gear 4, a rotation speed sensor 5, a push rod motor 6, a brake plate 7, a rotating shaft 8, fan blades 9, a generator set 10, a balancing weight 11, a driven gear 12, a heat dissipation fin 13 and a rubber pad 14, wherein the components are all universal standard components or components known by technicians in the field, the structure and principle of the components can be known by technical manuals or conventional experimental methods, when the protection device works, the rotation speed sensor 5, the microprocessor 3, the push rod motor 6 and the brake plate 7 are arranged, when the rotation speed of the fan blades 9 is too fast, the rotation speed sensor 5 monitors the rotation speed of the rotating shaft 8, when the rotation speed of the rotating shaft 8 is too fast, thereby the rotation speed sensor 5 sends data to the microprocessor 3, then microprocessor 3 handles into the signal of telecommunication to data and sends for push rod motor 6, thereby push rod motor 6 work promotes braking plate 7 and the contact of pivot 8, thereby there is frictional force between braking plate 7 and the pivot 8, thereby can reduce the slew velocity of pivot 8, further reduction flabellum 9 pivoted speed, thereby can avoid flabellum 9 pivoted speed too fast, cause flabellum 9 to drop the emergence accident, setting through rubber pad 14, thereby can effectual increase braking plate 7 and the frictional force of pivot 8, thereby can effectual increase 7 braking 8's of braking plate effect.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (4)

1. The utility model provides a protection device of wind power generation machine case, includes stand (1), its characterized in that: the top of the upright post (1) is fixedly connected with a case (2), the inner cavity of the case (2) is provided with a rotating shaft (8), the right end of the rotating shaft (8) penetrates through the case (2) and is arranged on the right side of the case (2), the right end of the rotating shaft (8) is fixedly provided with a fan blade (9), the inner cavity bottom end of the case (2) is fixedly provided with a generator set (10), the right end of the generator set (10) is fixedly connected with a driven gear (12), the outer wall of the rotating shaft (8) of the inner cavity of the case (2) is fixedly connected with a driving gear (4), the driving gear (4) is meshed with the driven gear (12), the inner cavity top of the case (2) is fixedly provided with a microprocessor (3) and a rotating speed sensor (5), the rotating speed sensor (5) corresponds to the rotating shaft (8), and push rod motors (6) are fixedly arranged at the upper end and the lower end of the inner cavity of the case (2), two equal fixedly connected with braking plate (7) of output of push rod motor (6), two braking plate (7) are half-circular arc, the data output part of speed sensor (5) is connected with the data input part of microprocessor (3), the signal output part of microprocessor (3) is connected with the signal input part of two push rod motors (6) respectively.

2. A wind generator box protection device according to claim 1, characterized in that: rubber pads (14) are fixedly arranged on the inner sides of the two brake plates (7).

3. A wind generator box protection device according to claim 1, characterized in that: the outer wall of the case (2) is fixedly connected with a plurality of radiating fins (13), and the radiating fins (13) are distributed on the outer wall of the case (2) at equal intervals.

4. A wind generator box protection device according to claim 1, characterized in that: the left side of the bottom end of the inner cavity of the case (2) is fixedly connected with a balancing weight (11).

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