CN219795444U - Wind power generation device capable of passively controlling air inlet quantity - Google Patents

Abstract

The utility model discloses a wind power generation device capable of passively controlling air intake, which comprises a power generation device and a wind shielding device, wherein the wind shielding device comprises a rotating shaft, a wind shielding plate and a reset mechanism, a shell of the power generation device is communicated with the front and the back for air intake and air exhaust, a front horn mouth with an outward opening is connected to the front end of the shell for air intake, the wind shielding plate is rotatably arranged in the horn mouth or at the rear end of the horn mouth, the reset mechanism is arranged on the rotating shaft, the wind shielding plate is enabled to rotate towards the direction of a closed shell after being subjected to wind power exceeding a preset value, the wind shielding plate is arranged on the reset mechanism, the rotating shaft of the wind shielding plate is arranged by utilizing a torsion spring, the wind speed exceeds the preset value by utilizing the elasticity of the torsion spring, the position of the wind shielding plate is passively adjusted, and therefore, the limit of the air intake is realized, the rotating speed of an impeller is limited in a certain range, the impeller and other parts are protected, and the wind power generator is prevented from being burnt.

Description

Wind power generation device capable of passively controlling air inlet quantity

Technical Field

The utility model belongs to the technical field of wind power generation, and particularly relates to a wind power generation device capable of passively controlling air inlet quantity.

Background

Patent 202223329347.X proposes a wind power generation device with a wind power generation device, but in practical use, the device has problems that the wind power generation device is installed in a shell to generate power, the wind power is changed at any time, after the wind power generation device is added, the wind power is basically reversely received with the wind direction, in the practical use process, the problem that the rotating speed of a rotating wheel of the power generation device is too high due to too high wind power is easy to cause damage due to too high centrifugal force of a blade of the rotating wheel, and the service life and the use safety of the power generation device are influenced due to the phenomena of abrasion increase, heat generation, metal fatigue and the like caused by too high rotating speed of the rest transmission parts of the power generation device.

Disclosure of Invention

In order to overcome the defects of the prior art, the inventor of the utility model continuously reforms and innovates through long-term exploration and repeated experiments and efforts, and provides a wind power generation device for passively controlling the air inlet, which is provided with a wind shield, a rotating shaft of the wind shield is installed by using a torsion spring, the position of the wind shield is passively adjusted when the wind speed exceeds a preset value (the initial torsion force of the torsion spring can be used for controlling), the size of an air inlet is limited, the control of the air inlet is realized, the rotating speed of an impeller is limited in a certain range, impellers and other components are protected, a rotating plate is arranged, so that the wind shield has smaller included angle with a horizontal plane when in an initial position, the wind resistance is reduced, the initial rotating force of the wind shield can be controlled by the rotating plate, the wind resistance of the initial state when the wind shield does not work is reduced, a vent hole is formed in the wind shield, a small amount of wind is realized when the wind shield is larger and the wind shield is sealed, the vent hole is still formed by sealing the vent hole on the front horn, and the vent hole is still meshed with the vent hole on the front horn under the initial state.

The technical scheme adopted by the utility model for achieving the purpose is as follows: provided is a wind power generation device for passively controlling the air intake. The wind shield comprises a power generation device and a wind shield device, wherein the wind shield device comprises a rotating shaft, a wind shield and a reset mechanism, the shell of the power generation device is communicated with the front and rear of the shell for air intake and air exhaust, the front end of the shell is connected with a front horn mouth with an outward opening for air intake, the wind shield is rotatably installed in the horn mouth or at the rear end of the horn mouth, the reset mechanism is installed on the rotating shaft, the initial state of the wind shield is set with a horizontal plane to form an included angle, and the reset mechanism enables the wind shield to rotate in the direction of a closed shell after being subjected to wind power larger than a preset value.

The wind power generation device for passively controlling the air inlet quantity, provided by the utility model, has the following further preferred technical scheme: the rotating shafts are mounted on the left and right wall surfaces of the shell or the left and right wall surfaces of the rear end of the front bell mouth.

The wind power generation device for passively controlling the air inlet quantity, provided by the utility model, has the following further preferred technical scheme: the rotating shaft is arranged close to the upper end or the lower end, and the upper edge or the lower edge of the wind shield is correspondingly arranged on the rotating shaft.

The wind power generation device for passively controlling the air inlet quantity, provided by the utility model, has the following further preferred technical scheme: the initial included angle between the wind shield and the horizontal plane is 0-5 degrees.

The wind power generation device for passively controlling the air inlet quantity, provided by the utility model, has the following further preferred technical scheme: the reset mechanism is a torsion spring or a gravity reset 1 mechanism, and a plurality of groups of springs or a plurality of groups of gravity mechanisms are respectively matched with proper elasticity, so that the control of the proper air inlet quantity is ensured.

The wind power generation device for passively controlling the air inlet quantity, provided by the utility model, has the following further preferred technical scheme: the wind shield is provided with a vent hole, and when the wind shield with larger wind force seals the air inlet, a small amount of wind still passes through to realize power generation.

The wind power generation device for passively controlling the air inlet quantity, provided by the utility model, has the following further preferred technical scheme: the vent holes on the wind shield are meshed with the protrusions on the upper wall of the front horn mouth in an initial state, so that the vent holes of the wind shield are blocked, and wind resistance is reduced.

The wind power generation device for passively controlling the air inlet quantity, provided by the utility model, has the following further preferred technical scheme: the rotating shaft is of a two-section structure which is only positioned at the left side and the right side of the wind shield.

The wind power generation device for passively controlling the air inlet quantity, provided by the utility model, has the following further preferred technical scheme: the rotating shaft penetrates through the left wall surface and the right wall surface of the shell or the left wall surface and the right wall surface of the rear end of the front horn mouth and then outwards extends, one end or two ends of the rotating shaft are provided with rotating plates, the rotating plates are fixedly connected with the rotating shaft, and the rotating plates are used for driving the rotating shaft to rotate under the action of wind power, so that the wind shield is driven to rotate.

The wind power generation device for passively controlling the air inlet quantity, provided by the utility model, has the following further preferred technical scheme: a rear horn mouth is arranged at the rear part of the shell of the power generation device, and a wind shielding device is also arranged on the rear horn mouth.

Compared with the prior art, the technical scheme of the utility model has the following advantages/beneficial effects:

1. the wind shield is arranged, the rotation shaft of the wind shield is installed by the torsion spring, the wind speed exceeds a preset value (the initial torsion of the torsion spring is utilized to control), the position of the wind shield is passively adjusted, the limit of the size of the air inlet is realized, the control of the air inlet is realized, the rotation speed of the impeller is limited in a certain range, and the impeller and other parts are protected.

2. The rotating plate is arranged, so that the wind shield has a smaller included angle with the horizontal plane when in an initial position, wind resistance is reduced, and the initial rotating force of the wind shield can be controlled by the rotating plate.

3. The rotation axis of deep bead only sets up at the deep bead both ends, reduces the windage of the initial state of deep bead when not working, is provided with the ventilation hole on the deep bead, still has a small amount of wind to pass through when the great deep bead of wind-force seals the air intake and realizes generating electricity, the ventilation hole of deep bead meshes with the arch of front horn mouth upper wall under the initial state, realizes blockking up the ventilation hole of deep bead with the reduction windage.

4. The wind shield ensures that the generator cannot burn out, any rated wind speed can be set to be 6 meters per second, and excessive wind is automatically blocked by the wind shield when the rated wind speed exceeds the rated wind speed, so that the generator can generate electricity safely and efficiently, the generator with proper power rate can be conveniently selected, and the efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a wind power generation device for passively controlling air intake.

Fig. 2 is a schematic diagram of a structure of a front bell mouth of a wind power generation device with passively controlled air intake.

Fig. 3 is a top view of fig. 2.

Fig. 4 is a schematic structural view of a rotating plate of a wind power generation device with passively controlled air intake.

Fig. 5 is a schematic structural diagram of a wind power generation device with passively controlled wind inlet, wherein the wind power generation device is provided with a front horn mouth and a rear horn mouth.

The marks in the figure are respectively: 1. the wind power generation device comprises a power generation device 101, a shell 102, a front bell mouth 103, a rear bell mouth 2, a wind shielding device 201, a wind shielding plate 2011, a sharp corner 202, a rotating shaft 203, a ventilation hole 3, a bulge 4, a rotating plate 5 and a wind deflector.

Detailed Description

To make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Accordingly, the detailed description of the embodiments of the utility model provided below is not intended to limit the scope of the utility model as claimed, but is merely representative of selected embodiments of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in the following figures.

Example 1:

as shown in fig. 1, a wind power generation device passively controlling the air intake, it includes power generation device 1, wind shielding device 2 includes rotation axis 202, deep bead 201, canceling release mechanical system, shell 101 of power generation device 1 link up from front to back and be used for air inlet and air-out, be connected with the outside front horn 102 of opening at shell 101 front end and be used for the air inlet, install power generation device in the shell promptly, power generation device includes impeller and generating motor, wind driven impeller rotates, the impeller drives generating motor main shaft and rotates and realize the electricity generation, in the horn or the rotating installation deep bead 201 of horn rear end, preferably the rear end at front horn 102 rotates and installs deep bead 201, the rotation axis 202 of deep bead 201 can transversely or vertically set up (do not do the strict limitation in practice, as long as can realize the closure of deep bead when the wind speed is too big), install canceling mechanical system on the rotation axis 202, when the horizontal contained angle of rotation axis transversely installs, canceling mechanical system makes deep bead 201 receive the wind power of more than the default backward to seal shell 101 direction rotation. A rear horn 103 or a wind deflector 5 is provided at the rear end of the housing 101, a rear horn 103 is provided at the rear of the housing 101 of the power generation device 1, and a wind deflector 201 may be provided at the rear horn 103, and when negative pressure is applied, the wind deflector 201 is provided both in the front and rear. The wind deflector 201 may be used for assisting in the case of an excessive negative pressure, and the specific structure is as shown in fig. 5, the direction of the wind deflector 2 of the rear horn 103 corresponds to the direction of wind passing, the principle is the same as that of the wind deflector 2 of the front horn 102, and the effect of the rear horn is actually the effect of wind, which is the same as that of the wind deflector, so that the wind deflector may be arranged in the channel formed by the wind deflector.

The rotating shaft 202 is mounted on the left and right wall surfaces of the housing 101 or the left and right wall surfaces of the rear end of the front bell mouth 102, and it is necessary to ensure miniaturization of the wind deflector 201 as much as possible without interfering with the operation of the wheel, and it is reasonable to get closer to the rear end of the front bell mouth 102.

The rotating shaft 202 is installed near the upper end or the lower end, the upper edge or the lower edge of the wind shield 201 is correspondingly installed on the rotating shaft 202, and the installation position of the rotating shaft 202 is practically unlimited, so long as the wind inlet can be closed when the wind force is excessive, and other parts are not interfered to operate. The gap between the rotating shaft of the wind guard 201 and the upper and lower wall surfaces of the housing 101 or the front horn mouth 102 is as small as possible, so that air intake can be prevented as much as possible when the wind force is too large and no air intake is required, and the rotating shaft 202 is close to the upper edge/lower edge of the wind guard 201 corresponding to the upper end/lower end.

The initial included angle between the wind shield 201 and the horizontal plane is 0-5 degrees, that is, the initial included angle is set to be a small angle, so that the wind shield cannot generate too much wind resistance, when the wind force is too large, the wind shield can be stressed to start rotating, and for the threshold value of the wind speed for starting rotating, the calculation and the control can be performed through the elasticity of the torsion spring and the initial angle of the wind shield 201, and the critical wind force can rotate against the torsion force of the spring.

The reset mechanism is a torsion spring or a gravity reset mechanism, when the torsion spring is adopted, the torsion spring is mounted at two ends of the rotating shaft 202, one end of the torsion spring is fixed on the shell 101 or the front horn mouth 102, the other end of the torsion spring is connected to the rotating shaft 202, if the rotating shaft 202 is mounted at the upper end position, the torsion spring should have initial torque to ensure that the wind shield 201 is pressed upwards, and the wind shield can be turned downwards when the wind speed reaches, therefore, a limit column or a limit groove and other similar structures are also required to be arranged to be matched with the wind shield 201 (or arranged on the rotating shaft 202), so that the limitation of the initial position of the wind shield 201 is realized, and the compression of the torsion spring is realized. The torsion spring is installed on the rotation shaft 202, one end is connected on the rotation shaft 202, the other end is installed on the front horn mouth 102, the torsion spring is located on the outer wall surface of the front horn mouth 102 reasonably, wind flow in the front horn mouth 102 can be guaranteed, the torsion spring is mature in structure for applying torsion to the rotation shaft 202, the front horn mouth 102 is not influenced, the stability of the integral structure is not influenced, and the torsion spring is not repeated here. The gravity return mechanism is consistent in principle, and allows the rotation shaft 202 to rotate only when the wind reaches a threshold value. And a plurality of groups of springs or a plurality of groups of gravity resetting mechanisms are adopted to be respectively matched with proper elastic force, so that the proper air inlet quantity is ensured to be controlled.

The wind shield 201 is provided with a vent 203, and when the wind shield 201 with larger wind force seals the air inlet, a small amount of wind still passes through to realize power generation.

The rotating shaft 202 is of a two-stage structure only positioned at the left side and the right side of the wind deflector 201, the front end of the rotating plate 4 is provided with sharp corners 2011 with gradually reduced thickness to reduce wind resistance, and the wind resistance of the wind deflector 201 can be reduced by both the two arrangements.

The presence of the wind shielding device 2 can ensure that the generator is not burnt out conveniently and reliably. Any rated wind speed may be set that we need. The rated wind speed may be 6 meters per second, beyond which the wind deflector 201 automatically stops more wind. The high-efficiency and safe power generation of the generator is ensured. And a generator with proper power rate is convenient to select, so that the efficiency is improved.

Example 2:

as shown in fig. 2-3, on the basis of embodiment 1, the vent hole 203 on the wind guard 201 in the initial state is engaged with the protrusion 3 on the upper wall of the front bell mouth 102, so as to block the vent hole 203 of the wind guard 201 to reduce wind resistance, and for convenience in arranging the protrusion 3, the upper and lower wall surfaces of the front bell mouth 102 are flush with the upper and lower wall surfaces of the casing 101, that is, only the left and right wall surfaces of the front bell mouth 102 are inclined to play a guiding role, and the wind guard 201 is flush with the wall surfaces of the front bell mouth 102, so that the wind guard 201 is in a state of being attached as much as possible, and the wind resistance when the wind guard 201 is not in operation is reduced.

Example 3:

as shown in fig. 4, on the basis of embodiment 1 or embodiment 2, the rotation shaft 202 penetrates the left and right wall surfaces of the housing 101 or the left and right wall surfaces of the rear end of the front bell mouth 102 and extends outward, one or both ends of the rotation shaft 202 are provided with rotation plates 4, the rotation plates 4 are fixedly connected with the rotation shaft 202, and the rotation plates 4 are used for driving the rotation shaft 202 to rotate by wind power, thereby driving the wind shield 201 to rotate. The rotating plate 4 is generally square, and is generally disposed at one end of the rotating shaft 202, and may be disposed at two ends of the rotating shaft 202 to balance gravity when necessary, so that the rotating shaft 202 will not be biased by a single-side force. When the turning plate 4 is provided, the wind deflector can be arranged completely horizontally, and an initial turning force can be obtained by the turning plate 4.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that the above-mentioned preferred embodiment should not be construed as limiting the utility model, and the scope of the utility model should be defined by the appended claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.

Claims (7)

1. The utility model provides a wind power generation device of passive control intake, a serial communication port, it includes power generation device, rimq device includes the rotation axis, the rimq plate, canceling release mechanical system, power generation device's shell link up around being used for air inlet and air-out, be connected with the outside front horn mouth of opening in the shell front end and be used for the air inlet, rotate at horn mouth or horn mouth rear end and install the rimq plate, install canceling release mechanical system on the rotation axis, canceling release mechanical system makes the rimq plate receive the wind-force back to seal the shell direction rotation that is greater than the default, the rotation axis is the two segmentation structures that only lie in the rimq plate left and right sides, the rotation axis pierces through the left and right wall of shell or the left and right sides wall back of front horn mouth outwards extend, set up the rotating plate in one end or both ends of rotation axis, rotating plate and rotation axis fixed connection, the rotating plate is used for receiving wind-force to drive the rotation axis to drive the rimq plate and rotate, canceling release mechanical system is torsional spring or gravity canceling release mechanical system, adopt multiunit spring or multiunit gravity canceling release mechanical system to match suitable elasticity respectively, guarantee control and be fit for the intake.

2. A wind power generation device for passively controlling an amount of wind according to claim 1, wherein the rotary shaft is mounted on left and right wall surfaces of the housing or left and right wall surfaces of the rear end of the front bell.

3. A wind power generation device for passively controlling an amount of wind according to claim 1, wherein the rotation shaft is installed near an upper end or a lower end, and an upper edge or a lower edge of the wind deflector is correspondingly installed on the rotation shaft.

4. A passively air intake controlling wind turbine according to claim 1, wherein the initial angle of the wind deflector to the horizontal is between 0 ° and 5 °.

5. The wind power generation device for passively controlling air intake according to claim 1, wherein the wind shield is provided with ventilation holes, and a small amount of wind still passes through the wind shield to generate electricity when the wind shield with larger wind force seals the air inlet.

6. The wind power generation device for passively controlling intake air according to claim 5, wherein the vent hole of the wind deflector is engaged with the protrusion of the upper wall of the front bell in the initial state, so that the vent hole of the wind deflector is blocked to reduce wind resistance.

7. The wind power generation device for passively controlling intake air according to claim 1, wherein a rear bell mouth is provided at a rear portion of a housing of the wind power generation device, and a wind shielding device is also provided at the rear bell mouth.