CN209617453U - A kind of duct scarer and unmanned plane - Google Patents
A kind of duct scarer and unmanned plane Download PDFInfo
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- CN209617453U CN209617453U CN201920273031.2U CN201920273031U CN209617453U CN 209617453 U CN209617453 U CN 209617453U CN 201920273031 U CN201920273031 U CN 201920273031U CN 209617453 U CN209617453 U CN 209617453U
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Abstract
The utility model discloses a kind of duct scarer and unmanned planes, the duct scarer includes rotor, duct body and whistle shape structure, wherein, duct body and rotor are coaxially disposed within the periphery of rotor, whistle shape structure is provided on duct body, the whistle mouthful of whistle shape structure is connected to the duct of duct body；When in use, rotor rotational drives air-flow to flow through from duct, air-flow, which enters in the shape structure of the whistle, to resonate, generate whistle, to drive birds, it can be seen that, above-mentioned duct scarer utilizes whistle shape structure, a part of gas is drawn from duct for sounding, structure is simple, it is at low cost, convenient for manufacturing and using, when above structure being especially applied to duct unmanned vehicle, the characteristics of can make full use of duct unmanned vehicle itself sounding, mobility strong, there can be biggish sphere of action, other source of sound is not needed, and the sound generated is analogous to the whistle of diabolo, sound is not too big, avoid noise pollution.
Description
Technical field
The utility model relates to bird repellent technical field, in particular to a kind of duct scarer and unmanned plane.
Background technique
Birds for some specific environments or particular device, such as airport, heritage buildings, power equipment etc., be it is harmful,
Therefore it needs that certain measure is taken to drive birds.
Currently, driving the modes of birds generally by following several, one is manufacture noise, for example passes through coal gas big gun, electronics
The modes such as synthesis manufacture biggish noise to drive birds, this mode noise pollution easy to form, and birds and be easy to fit quickly
Above-mentioned noise is answered, effect on driving birds is bad；Another kind is the wail of synthesis variety classes bird, is played out for the type of bird, meeting
Threatening is caused to act on similar bird, but this sound is also possible to the natural enemy attraction of such bird to come simultaneously；There are also one kind to be
Supersonic wave bird driving, supersonic wave bird driving will not generate noise pollution, but the ultrasonic wave for generating 20kHz or more needs filter or super
Sound wave generation circuit, design structure is complicated, has constant weight, and ultrasonic attenuation is fast, penetrability is poor, sphere of action has
Limit.
Therefore, to those skilled in the art, that it is urgent to provide a kind of noise pollution at present is small, structure is simple, effect
The scarer that range is relatively large, effect is good.
Utility model content
In view of this, first of the utility model is designed to provide a kind of duct scarer, so that its structure is simple
It is single, convenient for manufacture and use, while there is lesser noise pollution, biggish sphere of action, good effect on driving birds, this is practical
Novel second is designed to provide a kind of unmanned plane including above-mentioned duct scarer.
To achieve the above object, the utility model provides the following technical solutions:
A kind of duct scarer, including rotor and duct body, the duct body are set to the periphery of the rotor, institute
It states and is provided with whistle shape structure on duct body, the whistle mouthful of the whistle shape structure is connected to the duct of the duct body.
Preferably, the whistle shape structure setting has multiple, and each whistle shape structure is axially distributed along the duct body.
Preferably, at least one sounding group is provided on the duct body, each sounding group includes multiple along described
The circumferentially distributed whistle shape structure of duct body.
Preferably, the resonant cavity shape of at least two whistle shape structures is different, and/or, at least two whistle shape knots
The whistle mouth-shaped of structure is different.
Preferably, the whistle mouth of the whistle shape structure is located at the downstream of the rotor in the direction of the air flow.
Preferably, the whistle mouth of the whistle shape structure is obliquely towards the direction opposite with airflow direction.
Preferably, the whistle Kou Chu of the whistle shape structure is formed with horn-like flow guiding structure, the rear end of the flow guiding structure
It is shrunk to slit-shaped.
Preferably, further include block mechanism, the block mechanism is movably disposed in the duct body, for block or
Concede the whistle mouthful of the whistle shape structure.
Preferably, the block mechanism includes and duct body coaxial arrangement and rotatable annular ring, the annular
Through hole corresponding with the whistle of the whistle shape structure mouthful position is enclosed, the whistle mouthful of the whistle shape structure is opened with the rotation of annular ring
It opens or closes.
It preferably, further include identification device and controller, the identification device is filled in the duct bird repellent for identification
Whether around pre-determined distance in have birds, the controller is used for after receiving the discovery birds signal of the identification device if setting
The duct scarer is controlled to act according to predetermined instruction.
In conclusion the utility model provides a kind of duct scarer, which includes rotor, duct
Body and whistle shape structure, wherein the duct that gas supply stream passes through is provided on duct body, duct body is set to the periphery of rotor, i.e.,
Rotor is set in the duct of duct body, and whistle shape structure is provided on duct body, and whistle shape structure is similar with common whistle structure,
It is connected to the whistle mouthful and outlet including resonant cavity and with resonant cavity, enters resonant cavity using air-flow and causes resonance sounding, the whistle shape
Structure can be directly provided on duct body, or be installed on duct body as independent component, and whistle shape structure can be with
It is set to the inside of duct body, also can be set in the outside of duct body, does not influence the rotation of rotor, the whistle of whistle shape structure
Mouth is connected to the duct of duct body；When in use, rotor rotational drives air-flow to flow through from duct, and air-flow enters in the shape structure of the whistle
It resonates, whistle is generated, to drive birds, it can be seen that, above-mentioned duct scarer utilizes whistle shape structure, draws from duct
A part of gas is used for sounding out, and structure is simple, at low cost, convenient for manufacture and uses, especially is applied to contain by above structure
When road unmanned vehicle, the characteristics of can make full use of duct unmanned vehicle itself sounding, mobility strong can have larger
Sphere of action, the sound for not needing other source of sound, and generating is analogous to the whistle of diabolo, and sound is not too big, avoids
Noise pollution.
The utility model additionally provides a kind of unmanned plane, which includes duct scarer as described above, due to
Above-mentioned duct scarer has technical effect as described above, and the unmanned plane with the duct scarer should also have accordingly
Technical effect.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the axonometric drawing of duct scarer provided by the embodiment of the utility model；
Fig. 2 is structural perspective inside the duct body of duct scarer provided by the embodiment of the utility model；
Fig. 3 is the partial sectional view of the duct body of duct scarer provided by the embodiment of the utility model.
In figure:
1 is duct body；101 be inner cavity；102 be air hole；2 be rotor；3 be whistle shape structure；301 be flow guiding structure；302
For the whistle mouthful；303 be resonant cavity；304 be the outlet of whistle shape structure；4 be electric machine support；5 radome fairings.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-Fig. 3 is please referred to, Fig. 1 is the axonometric drawing of duct scarer provided by the embodiment of the utility model, and Fig. 2 is this
Structural perspective inside the duct body for the duct scarer that utility model embodiment provides, Fig. 3 is the utility model embodiment
The partial sectional view of the duct body of the duct scarer of offer.
The utility model embodiment provides a kind of duct scarer, which includes rotor 2, duct body
1 and whistle shape structure 3.
Wherein, the duct that gas supply stream passes through is provided on duct body 1, duct is formed with air inlet in one end of duct body 1,
The other end is formed with gas outlet, and the guiding surface for being oriented to air-flow is formed at air inlet, and duct body 1 is set to rotation
The periphery of the wing 2, i.e. rotor 2 are set in the duct of duct body 1, more preferably, are coaxially disposed rotor 2 and duct.On duct body 1
It is provided with electric machine support 4, the motor that driving rotor 2 rotates is installed on the electric machine support 4, and top is provided on electric machine support 4
Portion protrudes from the radome fairing 5 of duct inlet, can reduce the flow-disturbing at duct inlet, and whistle shape structure is provided on duct body 1
3, whistle shape structure 3 is similar with common whistle structure, including resonant cavity 303 and is connected to the whistle mouthfuls 302 with resonant cavity 303 and goes out
Mouth 304 causes resonance sounding by resonant cavity 303 using air-flow, which can directly be provided on duct body 1,
It can be to be installed on duct body 1 as independent component, and whistle shape structure 3 can be set in the inside of duct body 1, can also set
It sets in the outside of duct body 1, the outside of certain duct body 1 refers to the other positions in addition to 1 inner wall of duct body, such as duct body 1
Lateral wall or bottom, as long as whistle shape structure 3 does not influence the rotation of rotor 2, the whistle mouthful 302 of whistle shape structure 3 and duct
The duct of body 1 is connected to, so as to be able to enter whistle shape structure 3 by the air-flow of duct, the outlet 304 of whistle shape structure 3 can be stretched out
In outside duct body 1, it can also directly be provided on the wall surface of duct body 1, or the inside of duct body 1 can be hidden in, work as the whistle
When the outlet 304 of shape structure 3 is hidden in the inside of duct body 1, need to form cavity in duct body 1, and the cavity need with it is outer
Boundary's connection, in order to which the outlet 304 of whistle shape structure 3 can be in communication with the outside by cavity.
Compared with prior art, duct scarer provided by the embodiment of the utility model is in use, rotor 2 rotates band
Stream of taking offence is flowed through from duct, and air-flow, which enters in whistle shape structure 3, to resonate, and whistle is generated, to drive birds, it can be seen that,
Above-mentioned duct scarer utilizes whistle shape structure 3, and a part of gas is drawn from duct for sounding, and structure is simple, at low cost,
Convenient for manufacturing and using, when above structure being especially applied to duct unmanned vehicle, can make full use of duct, nobody flies
The characteristics of row device itself sounding, mobility strong can have biggish sphere of action, not need other source of sound, and generate
Sound is analogous to the whistle of diabolo, and sound is not too big, avoids noise pollution.
Whistle shape structure 3 can be set one, also can be set it is multiple, of course for obtaining better effect on driving birds, whistle shape
Structure 3 is preferably provided with multiple, and when whistle shape structure 3 is provided with multiple, each whistle shape structure 3 can the row of taking various forms
Column as shown in Figure 1-Figure 3, are provided with sounding group, sounding such as in a kind of embodiment provided by the utility model on duct body 1
Group includes multiple whistle shape structures 3 circumferentially distributed along duct body 1, preferably, in the above-described embodiments, each 3 edge of whistle shape structure
Duct body 1 is circumferential uniformly distributed.
In another embodiment, the mode entirely different with the utility model illustrated embodiment, each whistle shape knot can be used
Structure 3 can be completely on same straight line, can also hand over along the axial distribution of duct body 1, axially distributed each whistle shape structure 3
Mistake arrangement.
Or in other embodiments, above two arrangement can be combined, i.e., is provided on duct body 1 multiple
The quantity of sounding group, whistle shape structure 3 of each sounding group in the axial distribution of duct body 1, each sounding group can be identical, can also
With difference.
Above-mentioned technical proposal is advanced optimized, in the above-described embodiments, the resonant cavity of at least two whistle shape structures 3 can be made
303 shape is different, and/or, the shape at least two whistle shape structures, 3 whistle mouthful 302 is different, and two can be made to have difference altogether in this way
The whistle shape structure 3 for 303 shape of chamber of shaking or two whistle shape structures 3 with 302 shapes of the different whistles mouthful issue different sound,
In actual use, different whistles can be obtained, to obtain better effect on driving birds by blocking different whistle shape structures 3.
Specifically, when multiple whistle shape structures 3 form a circle only around duct body 1 is circumferential, any two whistle shape can be made
The shape of structure 3 or the whistle mouthful 302 shapes are different, or multiple whistle shape structures 3 are divided at least two groups, at least one of group and its
The shape for the whistle shape structure 3 that he organizes or 302 shapes of the whistle mouthful are different, to carry out convenient for the whistle mouthful 302 as needed to whistle shape structure 3
It blocks, each group whistle shape structure 3 can be made to be spaced apart from each other arrangement.When having multiple sounding groups as described above on duct body 1, can make
The shape of the whistle shape structure 3 of at least one sounding group and the shape of whistle shape structure 3 of remaining sounding group are different.
Preferably, as shown in Figure 1, the whistle mouthful 302 of whistle shape structure 3 is located at the downstream of rotor 2, gas in the direction of the air flow
Stream can obtain higher speed, high-speed flow is easier to issue biggish in resonant cavity 303 after the acceleration of rotor 2
The sound.
To facilitate airflow into whistle shape structure 3, as depicted in figs. 1 and 2, the whistle of whistle shape structure 3 mouthful 302 obliquely towards with
The direction that the opposite direction of airflow direction, the i.e. whistle of whistle shape structure 3 mouthful 302 influence air-flow, so as to reduce the resistance to air-flow
Gear, helps to reduce the influence to air velocity.
Above-mentioned technical proposal is advanced optimized, as shown in Figure 1-Figure 3, is also formed with loudspeaker at the whistle mouthful 302 of whistle shape structure 3
The flow guiding structure 301 of shape, the flow guiding structure 301 can help air-flow to can smoothly enter into whistle shape structure 3.
Those skilled in the art are readily understood by, and according to Venturi effect, when channel is narrowed, the flow velocity of air-flow can increase
Add, therefore the rear end of flow guiding structure 301 can be made to be shrunk to slit-shaped to improve air-flow velocity to improve whistle, such air-flow exists
It will receive extruding when passing through, obtain the promotion on flow velocity.
In some cases, it may not need to issue whistle, such as when the unmanned plane with above-mentioned duct scarer
When executing other tasks in addition to bird repellent personage, do not need to provide whistle, or in some cases, need to close part whistle shape knot
The whistle mouthful 302 of structure 3 is to reduce volume, and in order to achieve the above objectives, duct scarer further includes block mechanism, and block mechanism can live
Be set to duct body 1 dynamicly, for block or concede the whistle mouthfuls 302 of whistle shape structure 3, it is above-mentioned it is movable include but is not limited to turn
The driving device of dynamic, swing, sliding, driving block mechanism action includes but is not limited to stepper motor, magnetic attracting device etc..
Above-mentioned block mechanism can disposably concede or the whistle shape structure 3 of block whole, can also be only to part whistle shape
Structure 3 forms block or gets out of the way.
Preferably, in the utility model embodiment, block mechanism includes being coaxially disposed and can be rotated with duct body 1
Annular ring, the quantity of the corresponding through hole in 302 positions of the whistle mouthful of annular ring and whistle shape structure 3, the through hole on annular ring can
With identical as the whistle of whistle shape structure 3 mouthful 302 quantity, it is also possible to the integral multiple of 302 quantity of the whistle mouthful of whistle shape structure 3, with rotation
Less angle can be realized the block to the whistle mouthful 302 of whistle shape structure 3 or concede, and the whistle mouthful 302 of whistle shape structure 3 is with annular ring
Rotation open or close.
Above-mentioned annular ring and its motion mode are only a kind of preferred embodiment provided by the embodiment of the utility model,
It is actually not limited thereto, for example the annular ring can also be moved along the mode that duct body 1 is circumferentially gone up and down or block mechanism can
To include the baffle of several linkages, each baffle synchronous hunting etc. under the drive of STATEMENT OF FEDERALLY SPONSORED is not limited thereto.
Further, annular ring can be set independently of the component of duct body 1, i.e. annular ring in duct body 1
In chamber 101, it is provided on the inner wall of duct body 1 and is open correspondingly with the whistle of whistle shape structure 3 mouthful 302, annular ring is rotatable
Ground is set between 1 inner wall of duct body and whistle shape structure 3；Or annular ring can be duct body 1 inner wall, duct body 1 it is interior
Wall is directly rotatablely arranged in the main body of duct body 1
Above-mentioned technical proposal is advanced optimized, 302 apertures of the whistle mouthful of whistle shape structure 3 continuously may be used with the movement of block mechanism
It adjusts, the aperture by adjusting the whistle mouthful 302 can be realized the adjustment to whistle frequency, and above-mentioned duct scarer is made to issue not unisonance
The whistle of tune.For the aperture regulation at the whistle mouthful 302 of realization whistle shape structure 3, jaw opening sensor, control can be installed at the whistle mouthful 302
The signal of device real-time monitoring jaw opening sensor processed is to realize the adjusting to aperture.
Preferably, duct scarer further includes identification device and controller, and identification device is being contained for identification
Whether birds are had around road scarer in pre-determined distance, and identification device includes but is not limited to infrared sensor, camera, sound
Sound sensor, or the form that can be applied in combination using above-mentioned several devices, controller is for receiving identification device
It is acted it was found that controlling duct scarer after birds signal according to predetermined instruction.
Specifically, controller first examines duct scarer state after identification device recognizes birds signal
It surveys, if duct scarer is in state of flight, controller directly controls the whistle that block mechanism action opens whistle shape structure 3
Mouth 302, if duct scarer remains static, control duct scarer first takes off, to duct scarer
After posture is steady, controller controls the whistle mouthful 302 that block mechanism action opens whistle shape structure 3 again, it is of course also possible to drive in duct
Block mechanism is opened while bird device takes off.
Further, sound source direction device can also be set on duct scarer, and sound source direction device is for receiving
The voice signal of preset frequency is simultaneously oriented sound source, and controller controls duct scarer after receiving sound source position signal
It is close to sound source, to improve effect on driving birds.
Certainly, in other embodiments, after identification device recognizes birds signal, controller can also directly control envelope
Retaining device is opened.
Block mechanism action opens the whistle mouthful 302 of whistle shape structure 3, and above controller can be manual for teleworker
Control, also can be arranged directly on duct scarer and carries out automatically controlling.
It is understood that there are one connect with 3 resonant cavity 303 of whistle shape structure in whistle shape structure 3 other than the whistle mouthful 302
Logical outlet 304, the air-flow of resonant cavity 303 is discharged, can air-flow be smoothly discharged the hair for being also directly related to whistle shape structure 3
Sound, as shown in Figure 1-Figure 3, in a kind of embodiment of the utility model, whistle shape structure 3 is set in duct body 1, for convenient for resonance
Gas in chamber 303 can be smoothly discharged, and ventilating structure, the resonant cavity of ventilating structure and whistle shape structure 3 are provided on duct body 1
303 outlet 304 is connected to.
Specifically, in a kind of embodiment of the utility model, ventilating structure is air hole 102, which passes through culvert
The inner cavity 101 of road body 1 is connected to the outlet 304 of whistle shape structure 3, and air hole 102 can be corresponded with whistle shape structure 3, can also
It is discharged so that a total air hole 102 is arranged by the gas in 1 inner cavity 101 of duct body, to avoid in 1 inner cavity 101 of duct body
Air pressure is excessively high.
Preferably, in above-described embodiment, ventilating structure is set to bottom and/or the lateral wall of duct body 1.
Certainly, in other embodiments, the outlet 304 of whistle shape structure 3 can also be directly provided with to the wall surface of duct body 1
On.
Based on above-mentioned duct scarer, the utility model embodiment additionally provides a kind of unmanned plane, which includes
Duct scarer described in any embodiment as above, since duct scarer has above-mentioned technique effect, the skill of unmanned plane
Art effect please refers to above-described embodiment.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of duct scarer, including rotor and duct body, the duct body are set to the periphery of the rotor, special
Sign is, whistle shape structure is provided on the duct body, and the whistle mouthful of the whistle shape structure is connected to the duct of the duct body.
2. duct scarer according to claim 1, which is characterized in that the whistle shape structure setting has multiple and each
A whistle shape structure is axially distributed along the duct body.
3. duct scarer according to claim 1, which is characterized in that be provided at least one hair on the duct body
Sound group, each sounding group include multiple whistle shape structures circumferentially distributed along the duct body.
4. duct scarer according to claim 2 or 3, which is characterized in that at least two whistle shape structures are total to
Chamber shape of shaking is different, and/or, the whistle mouth-shaped of at least two whistle shape structures is different.
5. duct scarer according to claim 1 to 3, which is characterized in that the whistle mouthful of the whistle shape structure
It is located at the downstream of the rotor in the direction of the air flow.
6. duct scarer according to claim 1 to 3, which is characterized in that the whistle mouthful of the whistle shape structure
Obliquely towards the direction opposite with airflow direction.
7. duct scarer according to claim 1 to 3, which is characterized in that the whistle mouthful of the whistle shape structure
Place is formed with horn-like flow guiding structure, and the rear end of the flow guiding structure is shrunk to slit-shaped.
8. duct scarer according to claim 1 to 3, which is characterized in that further include block mechanism, institute
It states block mechanism and is movably disposed in the duct body, for block or concede the whistle mouthful of the whistle shape structure.
9. duct scarer according to claim 8, which is characterized in that the block mechanism includes and the duct body
Coaxial arrangement and rotatable annular ring, annular ring through hole corresponding with the whistle of the whistle shape structure mouthful position are described
The whistle mouthful of whistle shape structure is opened or closed with the rotation of annular ring.
10. duct scarer described in -3 and 9 any one according to claim 1, which is characterized in that further include identification device
And whether controller, the identification device have birds, institute in pre-determined distance around the duct scarer for identification
Controller is stated for controlling the duct scarer after the discovery birds signal for receiving the identification device according to predetermined
Instruction action.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920273031.2U CN209617453U (en) | 2019-03-04 | 2019-03-04 | A kind of duct scarer and unmanned plane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920273031.2U CN209617453U (en) | 2019-03-04 | 2019-03-04 | A kind of duct scarer and unmanned plane |
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| CN209617453U true CN209617453U (en) | 2019-11-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112715527A (en) * | 2021-01-19 | 2021-04-30 | 周仁才 | High-voltage power transmission tower with bird repelling device |
-
2019
- 2019-03-04 CN CN201920273031.2U patent/CN209617453U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112715527A (en) * | 2021-01-19 | 2021-04-30 | 周仁才 | High-voltage power transmission tower with bird repelling device |
| CN112715527B (en) * | 2021-01-19 | 2022-07-22 | 周仁才 | High-voltage power transmission tower with bird repelling device |
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