CN204998765U - Advertisement unmanned aerial vehicle - Google Patents
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- CN204998765U CN204998765U CN201520700942.0U CN201520700942U CN204998765U CN 204998765 U CN204998765 U CN 204998765U CN 201520700942 U CN201520700942 U CN 201520700942U CN 204998765 U CN204998765 U CN 204998765U
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- intermediate plate
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- groove
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Abstract
The utility model discloses an advertisement unmanned aerial vehicle, including the organism, be fixed with three rotor mast on the organism, every rotor mast's top is provided with an upper rotor and a lower rotor respectively, be provided with an intermediate lamella between upper rotor and the lower rotor, the intermediate lamella is fixed on rotor mast, evenly be provided with a plurality of arc guiding gutter in the intermediate lamella, the air intake of arc guiding gutter is located the top surface of intermediate lamella, the air outlet is located the side of intermediate lamella, be provided with the separation blade in the air intake, the separation blade is 35 with the contained angle of air intake, upper rotor's downside coupling has vice rotor, the upper rotor center is provided with the bulb, rotor mast's top is provided with the recess, the bulb joint is in the recess, the edge of recess is provided with the rubber buffer layer, the bottom surface of intermediate lamella sets up to the bellied sphere that makes progress. The utility model discloses the not enough of prior art can be improved, the adaptability that unmanned aerial vehicle changes has been improved to the focus.
Description
Technical field
The utility model relates to a kind of unmanned plane, especially a kind of advertisement unmanned plane.
Background technology
Development of UAV was swift and violent in recent years, had embodied obvious advantage in the advertising of low latitude.Such as a kind of multi-functional unmanned plane disclosed in Chinese utility model patent CN204452947U, can carry multiple multimedia equipment, realize the several functions such as advertising.Along with the development of unmanned plane, be similar to double-deck rotor wing unmanned aerial vehicle disclosed in CN204368414U in addition, this rotor structure can improve the stability of unmanned plane.But gravity balance during unmanned plane during flying is very important, when when unmanned plane mounting advertising equipment, directly can have influence on the weight distribution of unmanned plane, thus balance when making unmanned plane during flying is affected.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of advertisement unmanned plane, can solve the deficiencies in the prior art, improves the adaptive capacity of unmanned plane for gravity center shift.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
A kind of advertisement unmanned plane, comprise body, body is fixed with three rotor bars, the top of each rotor bar is respectively arranged with a upper rotor and a lower rotor, an intermediate plate is provided with between described upper rotor and lower rotor, intermediate plate is fixed on rotor bar, several arc flame diversion troughs are evenly provided with in intermediate plate, the ventilation inlet of arc flame diversion trough is positioned at the end face of intermediate plate, air outlet is positioned at the side of intermediate plate, catch is provided with in ventilation inlet, the angle of catch and ventilation inlet is 35 °, the downside of upper rotor is connected with secondary rotor, upper rotor centers is provided with bulb, the top of rotor bar is provided with groove, bulb is connected in groove, the edge of groove is provided with cushion rubber layer, the bottom surface of intermediate plate is set to the sphere raised up.
As preferably, the described import of arc flame diversion trough is 3: 1 with the ratio of the internal diameter of outlet.
As preferably, the diameter ratio of described secondary rotor and upper rotor is 11: 1, and secondary rotor is 2: 1 to the distance of upper rotor and secondary rotor to the ratio of distances constant of intermediate plate.
As preferably, the inwall of described arc flame diversion trough is provided with spiral stream guidance groove, the sidewall of spiral stream guidance groove is provided with truncated cone-shaped through hole, and truncated cone-shaped through hole inlet side is 3: 2 with the ratio of the internal diameter of air side.
The beneficial effect adopting technique scheme to bring is: the utility model, on the basis of existing double-deck cyclogyro, arranges intermediate plate.Upper rotor promotes air motion downwards, and after air-flow flow to intermediate plate, fraction flows laterally, and a part of air-flow is flowed by arc flame diversion trough in addition, flows out from the sidewall of intermediate plate.Intermediate plate improves the holding capacity of rotor for the horizontal direction of body, arc flame diversion trough reduces the lift of impact intermediate plate produces to(for) upper rotor, when air-flow flows through baffle plate, under the barrier effect of baffle plate, the trend of reverse flow is formed in air inlet, this can make the airflow on surface of whole intermediate plate form a comparatively uniform airflow layer, thus reduces the interference that secondary rotor receives flow perturbation.Secondary rotor, under the drive of intermediate plate airflow on surface, rotates, improves the balance in upper rotor wing rotation process.Upper rotor is flexibly connected by bulb and groove, and when disturbance appears in air-flow, upper rotor can by changing the buffering of fixed angle realization for disturbance.The spherical bottom of intermediate plate can form a meiobar above lower rotor, thus improves intermediate plate stability in the gas flow.Arc flame diversion trough exports with the preferred internal diameter of import than the air flow rate that can effectively limit in arc flame diversion trough, the air flow rate on maintenance intermediate plate surface.Secondary rotor and the preferred fit structure of upper rotor can improve the bearing capacity that secondary rotor is applied to rotor bottom surface, thus improve the stability of upper rotor.Spiral stream guidance groove in arc flame diversion trough can reduce the turbulent flow of air-flow in arc flame diversion trough, thus improves the deflation rate of arc flame diversion trough.Truncated cone-shaped through hole can reduce the resistance that spiral stream guidance groove flows out for air-flow, and provides a propelling thrust moved to air stream efflux to the air-flow rotated.By above-mentioned improvement, the antijamming capability of unmanned plane can be improved, thus when the center of gravity of unmanned plane changes, unmanned plane can be made to continue maintenance metastable flight attitude.
Accompanying drawing explanation
Fig. 1 is the constructional drawing of a specific embodiment of the present utility model.
Fig. 2 is the constructional drawing of upper rotor in a specific embodiment of the present utility model.
Fig. 3 is the constructional drawing of intermediate plate in a specific embodiment of the present utility model.
Fig. 4 is the constructional drawing of spiral stream guidance groove in a specific embodiment of the present utility model.
In figure: 1, body; 2, rotor bar; 3, upper rotor; 4, lower rotor; 5, intermediate plate; 6, arc flame diversion trough; 7, catch; 8, secondary rotor; 9, bulb; 10, groove; 11, cushion rubber layer; 12, spiral stream guidance groove; 13, truncated cone-shaped through hole; 14, spring body.
Detailed description of the invention
The standardized parts used in the utility model all can be commercially, shaped piece all can carry out customized according to specification sheets with the record of accompanying drawing, the concrete connection mode of each part all adopts the conventional means such as bolt, rivet, welding, stickup ripe in prior art, is not described in detail in this.
With reference to Fig. 1-4, a kind of detailed description of the invention of the present utility model comprises body 1, body 1 is fixed with three rotor bars 2, the top of each rotor bar 2 is respectively arranged with a upper rotor 3 and a lower rotor 4, an intermediate plate 5 is provided with between described upper rotor 3 and lower rotor 4, intermediate plate 5 is fixed on rotor bar 2, several arc flame diversion troughs 6 are evenly provided with in intermediate plate 5, the ventilation inlet of arc flame diversion trough 6 is positioned at the end face of intermediate plate 5, air outlet is positioned at the side of intermediate plate 5, catch 7 is provided with in ventilation inlet, catch 7 is 35 ° with the angle of ventilation inlet, the downside of upper rotor 3 is connected with secondary rotor 8, upper rotor 3 center is provided with bulb 9, the top of rotor bar 2 is provided with groove 10, bulb 9 is connected in groove 10, the edge of groove 10 is provided with cushion rubber layer 11, the bottom surface of intermediate plate 5 is set to the sphere raised up.The present embodiment, on the basis of existing double-deck cyclogyro, arranges intermediate plate 5.Upper rotor 3 promotes air motion downwards, and after air-flow flow to intermediate plate 5, fraction flows laterally, and a part of air-flow is flowed by arc flame diversion trough 6 in addition, flows out from the sidewall of intermediate plate 5.Intermediate plate 5 improves the holding capacity of rotor 3 for the horizontal direction of body 1, arc flame diversion trough 6 reduces the lift of impact intermediate plate 5 produces to(for) upper rotor 3, when air-flow flows through baffle plate 7, under the barrier effect of baffle plate 7, the trend of reverse flow is formed in air inlet, this can make the airflow on surface of whole intermediate plate 5 form a comparatively uniform airflow layer, thus reduces the interference that secondary rotor 8 receives flow perturbation.Secondary rotor 8, under the drive of intermediate plate 5 airflow on surface, rotates, improves the balance in upper rotor 3 rotary course.Upper rotor 3 is flexibly connected by bulb 9 and groove 10, and when disturbance appears in air-flow, upper rotor 3 can by changing the buffering of fixed angle realization for disturbance.The spherical bottom of intermediate plate 5 can form a meiobar above lower rotor 4, thus improves intermediate plate 5 stability in the gas flow.The import of arc flame diversion trough 6 is 3: 1 with the ratio of the internal diameter of outlet, and arc flame diversion trough 6 exports with the preferred internal diameter of import than the air flow rate that can effectively limit in arc flame diversion trough 6, keeps the air flow rate on intermediate plate 5 surface.Secondary rotor 8 is 11: 1 with the diameter ratio of upper rotor 3, and secondary rotor 8 is 2: 1 to the distance of upper rotor 3 and secondary rotor 8 to the ratio of distances constant of intermediate plate 5.Secondary rotor 8 and upper rotor 3 preferably fit structure can improve the bearing capacity that secondary rotor 8 is applied to rotor 3 bottom surface, thus improve the stability of upper rotor 3.The inwall of arc flame diversion trough 6 is provided with spiral stream guidance groove 12, the sidewall of spiral stream guidance groove 12 is provided with truncated cone-shaped through hole 13, and truncated cone-shaped through hole 13 inlet side is 3: 2 with the ratio of the internal diameter of air side.Spiral stream guidance groove 12 in arc flame diversion trough 6 can reduce the turbulent flow of air-flow in arc flame diversion trough 6, thus improves the deflation rate of arc flame diversion trough 6.Truncated cone-shaped through hole 13 can reduce the resistance that spiral stream guidance groove 12 flows out for air-flow, and provides a propelling thrust moved to air stream efflux to the air-flow rotated.
In addition, bulb 9 and the bottom of groove 10 contact surface are provided with spring body 14.The two ends of spring body 14 are connected with bulb 9 and groove 10 respectively.Spring body 14 can improve the sensitivity of upper rotor 3 angle change, reduces the generation of hysteresis phenomenon, thus improves the buffering effect of upper rotor 3 for flow perturbation.
Wherein, double-deck cyclogyro and all carried out open fully for arranging etc. in the patent documentation that content quotes in background technology of plug-in device relevant on unmanned plane, is not described in detail in this.
More than show and describe groundwork of the present utility model and principal character and advantage of the present utility model.The technical personnel of the industry should be understood; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. an advertisement unmanned plane, comprise body (1), body (1) is fixed with three rotor bars (2), the top of each rotor bar (2) is respectively arranged with a upper rotor (3) and a lower rotor (4), it is characterized in that: between described upper rotor (3) and lower rotor (4), be provided with an intermediate plate (5), intermediate plate (5) is fixed on rotor bar (2), several arc flame diversion troughs (6) are evenly provided with in intermediate plate (5), the ventilation inlet of arc flame diversion trough (6) is positioned at the end face of intermediate plate (5), air outlet is positioned at the side of intermediate plate (5), catch (7) is provided with in ventilation inlet, catch (7) is 35 ° with the angle of ventilation inlet, the downside of upper rotor (3) is connected with secondary rotor (8), upper rotor (3) center is provided with bulb (9), the top of rotor bar (2) is provided with groove (10), bulb (9) is connected in groove (10), the edge of groove (10) is provided with cushion rubber layer (11), the bottom surface of intermediate plate (5) is set to the sphere raised up.
2. advertisement unmanned plane according to claim 1, is characterized in that: the described import of arc flame diversion trough (6) is 3: 1 with the ratio of the internal diameter of outlet.
3. advertisement unmanned plane according to claim 1, it is characterized in that: the diameter ratio of described secondary rotor (8) and upper rotor (3) is 11: 1, secondary rotor (8) is 2: 1 to the distance of upper rotor (3) and secondary rotor (8) to the ratio of distances constant of intermediate plate (5).
4. advertisement unmanned plane according to claim 1, it is characterized in that: the inwall of described arc flame diversion trough (6) is provided with spiral stream guidance groove (12), the sidewall of spiral stream guidance groove (12) is provided with truncated cone-shaped through hole (13), truncated cone-shaped through hole (13) inlet side is 3: 2 with the ratio of the internal diameter of air side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520700942.0U CN204998765U (en) | 2015-09-11 | 2015-09-11 | Advertisement unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520700942.0U CN204998765U (en) | 2015-09-11 | 2015-09-11 | Advertisement unmanned aerial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204998765U true CN204998765U (en) | 2016-01-27 |
Family
ID=55155666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520700942.0U Expired - Fee Related CN204998765U (en) | 2015-09-11 | 2015-09-11 | Advertisement unmanned aerial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204998765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112498687A (en) * | 2020-08-08 | 2021-03-16 | 许昌学院 | Unmanned aerial vehicle and control method thereof |
-
2015
- 2015-09-11 CN CN201520700942.0U patent/CN204998765U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112498687A (en) * | 2020-08-08 | 2021-03-16 | 许昌学院 | Unmanned aerial vehicle and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20160911 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |