CN209895133U

CN209895133U - Information dissemination device

Info

Publication number: CN209895133U
Application number: CN201920600050.1U
Authority: CN
Inventors: 卢致辉; 陈金颖; 陆家杰; 梁勋捷; 王角
Original assignee: Zhejiang Kebit Technology Co Ltd
Current assignee: Zhejiang Kebit Technology Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-01-03
Anticipated expiration: 2029-04-28

Abstract

The utility model is suitable for a display device field provides an information dissemination device, carries on unmanned aerial vehicle, include: the scroll component comprises a projection screen, two covered edges, a scroll mandrel, a vertical piece and a driver, wherein the two covered edges are respectively connected to the left side and the right side of the projection screen, the top end of the projection screen and the top end of the covered edges are connected to the scroll mandrel and can be folded and unfolded along with the rotation of the scroll mandrel, the lower end of the projection screen is connected to the vertical piece, and the driver drives the scroll mandrel to rotate; the projection component is used for projecting images to the projection screen; and the connecting assembly is used for detachably connecting the banner assembly and the projection assembly to the unmanned aerial vehicle. The utility model provides an information dissemination device carries out the projection advertisement through the mode of projection subassembly and projection curtain, realizes the lightweight when richening advertisement form and effect. Meanwhile, the arrangement of the vertical piece and the edge cover prevents the projection screen from flying with wind and being incapable of completely displaying projection content to influence the advertising effect.

Description

Information dissemination device

Technical Field

The utility model belongs to the display device field especially relates to information dissemination device.

Background

Use unmanned aerial vehicle to carry out scene such as fixed point shooting, jettison, observation, rescue day by day now, simultaneously because more application scenes can't be satisfied by current product still to the product that needs more to match carries out the application that more is fit for the scene, if carry out the mode propaganda education, broadcasting, warning, drive away with unmanned aerial vehicle for the pattern, the banner, the video, the audio frequency and so on.

The mode that current utilization unmanned aerial vehicle carried out the advertisement includes that it carries out the show of advertising content to set up the advertisement display screen in unmanned aerial vehicle organism below, perhaps sets up fixing device and fixes conventional banner on the unmanned aerial vehicle organism, under the former mode, thereby because the advertisement display screen is heavier increases the energy resource consumption and the flight degree of difficulty for unmanned aerial vehicle, under the latter mode, the advertisement mostly is static characters or image, and advertising effect is general.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide an information dissemination device, it aims at providing another kind and utilizes unmanned aerial vehicle to carry out the device of advertisement.

The utility model provides an information dissemination device, carry on unmanned aerial vehicle, include:

the scroll component comprises a projection screen, two covered edges, a scroll core shaft, a vertical piece and a driver, wherein the two covered edges are respectively connected to the left side and the right side of the projection screen, the upper end of the projection screen and the upper end of the covered edges are connected to the scroll core shaft and can be folded and unfolded along with the rotation of the scroll core shaft, the lower end of the projection screen and the lower end of the covered edges are connected to the vertical piece, and the driver drives the scroll core shaft to rotate;

the projection component is used for projecting images to the projection screen;

and the connecting assembly is used for detachably connecting the banner assembly and the projection assembly to the unmanned aerial vehicle.

Further, the front surface of borduring faces towards roll core shaft direction sets up just bordure and set up a plurality of recesses that extend about backward at its front surface, the recess cross-section is preceding wide back narrow triangle-shaped.

Further, the edge cover is made of polycarbonate material.

Furthermore, the projection screen is made of a nylon silica gel composite material.

Furthermore, the information transmission device further comprises a control assembly, the control assembly comprises a sensor and a controller, the sensor is used for sensing the position of the plumb part and transmitting the position information to the controller, and the controller controls the opening and closing of the projection assembly and the driver according to the position information.

Further, the plumb member has an initial position and a projected position, the sensor includes a first sensor for sensing and sending information that the plumb member reaches the initial position to the controller and a second sensor for sensing and sending information that the plumb member is at a distance from the initial position to the controller in real time, and the controller controls the driver to stop operating when the controller receives the information that the plumb member reaches the initial position or when the distance between the plumb member and the initial position is equal to the projected position and the initial position.

Further, the controller is used for receiving image information and controlling the projection assembly to project the image, and the controller sets the projection position of the plumb member according to the image size.

Furthermore, the projection assembly comprises a projection end and an automatic focusing module, the projection end is used for receiving an instruction from the controller and throwing the image to the projection screen, and the automatic focusing module can adjust the focal length of projection of the projection end according to the projection position.

Furthermore, the projection assembly further comprises a steering engine for adjusting the projection angle of the projection end.

The utility model provides an information dissemination device carries out the projection advertisement through the mode of projection subassembly and projection curtain, realizes the lightweight when richening advertisement form and effect. Meanwhile, the arrangement of the vertical piece and the edge cover prevents the projection screen from flying with wind and being incapable of completely displaying projection content to influence the advertising effect.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an overall schematic view of an information dissemination device according to an embodiment of the present invention;

FIG. 2 is a partially disassembled schematic view of a banner assembly in an embodiment of the invention;

fig. 3 is a disassembled schematic view of the information dissemination device of the embodiment of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Scroll assembly	20	Projection assembly
11	Projection screen	21	Projection terminal
				12	Wrapping edge	22	Steering engine
121	Groove	31	First inductor
				13	Plumb component	40	Connection structure
14	Rolling core shaft
				15	Driver

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

It should be further noted that, in the embodiment of the present invention, the XYZ rectangular coordinate system established in fig. 1 is defined: one side in the positive direction of the X axis is defined as the front, and one side in the negative direction of the X axis is defined as the back; one side in the positive Y-axis direction is defined as the left side, and one side in the negative Y-axis direction is defined as the right side; the side in the positive direction of the Z axis is defined as the upper side, and the side in the negative direction of the Z axis is defined as the lower side.

It should be noted that the terms of left, right, upper and lower directions in the embodiments of the present invention are only relative concepts or are referred to the normal use state of the product, and should not be considered as limiting.

Referring to fig. 1 to 3, the present embodiment provides an information dissemination device mounted on an unmanned aerial vehicle, including a banner assembly 10, a projection assembly 20 projecting onto the banner assembly 10, a control assembly controlling the opening and closing of the banner assembly 10 and the projection assembly 20, and a connecting structure 40 detachably connecting the above structures to the unmanned aerial vehicle.

Scroll subassembly 10 includes projection screen 11, bordure 12, roll up dabber 14, plumb piece 13 and driver 15, projection screen 11 is made for flexible material, bordure 12 has two, and connect respectively in the projection screen 11 left and right sides, the upper end of projection screen 11 is connected in rolling up spindle 14 and can making projection screen 11 hang down or upwards rolling along with rolling up spindle 14 rotation with the upper end of borduring 12, the lower extreme of projection screen 11 is connected in plumb piece 13 along with the lower extreme of borduring 12, driver 15 orders about and rolls up dabber 14 and rotates. The projection unit 20 projects an image onto the projection screen 11. Projection screen 11 may be wound onto winding mandrel 14 for ease of storage. The arrangement of the edge cover 12 and the vertical piece 13 increases the vertical effect of the projection screen 11, and effectively reduces the situation that the projection screen 11 is windy, rotates and flies in the air and is difficult to completely display the projection effect.

The information dissemination device provided by the embodiment projects advertisements in the modes of the projection assembly 20 and the projection screen 11, enriches the advertisement forms and effects and realizes light weight. Meanwhile, due to the arrangement of the vertical piece 13 and the edge cover 12, the projection screen 11 is prevented from flying with the wind and being incapable of completely displaying projection content to influence the advertising effect.

Referring to fig. 2, the front surface of the wrapping edge 12 faces the winding core shaft 14, and the wrapping edge 12 is provided with a plurality of left and right extending grooves 121 at the front surface thereof, and the cross section of each groove 121 is a triangle with a wide front part and a narrow back part. The groove 121 is an escape space when the wrapping 12 is wound. In this embodiment, the covering edge 12 is made of Polycarbonate (PC) material, which has an excellent elastic coefficient and a density of 1.2g/cm3 or more, and can achieve the elastic deformation required for winding the covering edge 12 and provide a downward load to the projection screen 11. In other embodiments, a plurality of load-bearing protrusions may be directly disposed on the left and right sides of the projection screen 11 at intervals, and the edge 12 is integrally disposed and has a groove 121 formed on the front surface thereof, so as to ensure better performance of the flatness of the projection screen 11 than a single protrusion design.

In this embodiment, the projection screen 11 is made of a nylon-silica gel composite material. Compared with a common curtain, the nylon silica gel composite material has better performance in resisting wind.

In this embodiment, the information dissemination device further includes a control component, the control component includes a sensor and a controller, the sensor is used for sensing the position of the plumb part 13 and sending a position signal to the controller, and the controller controls the opening and closing of the projection component 20 and the driver 15 according to the position signal. In this embodiment, the sensor is an infrared sensor, and when the vertical member 13 reaches a specific position, the infrared sensor is triggered. In other embodiments, the inductor may be in other forms or properties, and is not limited herein. The arrangement of the sensor and the position information as the condition for opening and closing the driver 15 can reduce the accumulated error of the mechanical movement to ensure the accuracy of projection and the safety of the device.

Specifically, the plumb member 13 has an initial position and a projected position. The initial position is a position of the vertical member 13 when the information dissemination device is shipped from a factory, and the projection position is a position of the vertical member 13 when the projection module projects a film onto the projection screen. The sensor includes a first sensor 31 for sensing the vertical member 13 reaching the initial position and a second sensor (not shown) for sensing the distance of the vertical member 13 from the initial position, the first sensor 31 being located below the winding mandrel 14 and the projection assembly 20.

When the vertical member 13 reaches the initial position, the first sensor 31 sends a signal indicating that the vertical member 13 has reached the initial position to the controller, and the controller controls the driver 15 to stop operating upon receiving the signal. The design can ensure that the plumb part 13 can return to the initial position after being influenced by throwing and avoid excessively damaging the device by throwing and releasing.

The second sensor transmits the distance information of the vertical member 13 from the initial position to the controller in real time, and when the controller receives the distance information from the second sensor equal to the distance between the projection position and the initial position, the controller controls the driver 15 to stop operating.

The controller is used for receiving image information and controlling the projection assembly 20 to throw in the image, the controller sets the projection position of the plumb part 13 according to the image size, namely the projection position is a dynamic position, and the controller automatically adjusts according to the size of the influence size to be thrown in. The design can ensure the integrity of projection and avoid over-collecting and over-damaging the device.

Referring to fig. 1, the projection assembly 20 includes a projection end 21 and an auto-focus module (not shown), the projection end 21 is used for receiving an instruction from the controller and projecting an image onto the projection screen 11, and the auto-focus module can adjust a projection focal length of the projection end 21 according to a projection position. This design makes information dissemination device can carry out automatic focus adjustment according to the projection size, improves the definition of projection.

Further, the projection assembly 20 further comprises a steering engine 22 for adjusting the projection angle of the projection end 21. Because the projection position of projection screen 11 is adjusted according to the projection size, adjusts the projection angle through steering wheel 22, can adjust the center of projection rapidly, and then carries out the fine setting of focus by the auto focus module again, improves operating efficiency, improves the practicality of the actual projectable scope of projection end 21 in order to improve projection subassembly 20 simultaneously.

Referring to fig. 1, the information dissemination device further comprises a housing, wherein the housing is used for fixing the banner assembly 10 and the projection assembly 20, and the connecting assembly detachably connects the housing to the unmanned aerial vehicle;

the shell comprises a hollow inner cavity and a through hole which is arranged on the lower surface of the shell and communicated with the inner cavity, the winding core shaft 14 is fixed in the inner cavity, the upper ends of the projection screen 11 and the covered edge 12 are connected with the winding core shaft 14, and the lower ends of the projection screen 11 and the covered edge 12 penetrate through the through hole and are connected with the vertical piece 13;

the driver 15 and the controller are fixed in the inner cavity and positioned at one side of the winding core shaft 14, and the laser projection end 21 is fixed on the lower surface of the shell.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. The utility model provides an information dissemination device, mounts on unmanned aerial vehicle, its characterized in that includes:

2. The information dissemination device as claimed in claim 1, wherein the front surface of the border is disposed toward the axis of the winding core and the front surface of the border is backwardly provided with a plurality of grooves extending left and right, and the cross section of the groove is a triangle having a wide front and a narrow back.

3. The information dissemination device of claim 1 wherein said border is made of a polycarbonate material.

4. The information dissemination device of claim 1 wherein the projection screen is made of a nylon silicone composite.

5. The information dissemination device according to any of claims 1 to 4, further comprising a control assembly, wherein the control assembly comprises a sensor and a controller, the sensor is used for sensing the position of the plumb member and transmitting the position information to the controller, and the controller controls the opening and closing of the projection assembly and the driver according to the position information.

6. The information dissemination device of claim 5 wherein the plumb member has an initial position and a projected position, the sensor comprises a first sensor for sensing and sending to the controller information that the plumb member has reached the initial position and a second sensor for sensing and sending to the controller information about the distance of the plumb member from the initial position in real time, and the controller controls the actuator to stop when the controller receives the information that the plumb member has reached the initial position or when the distance between the plumb member and the initial position is equal to the projected position and the initial position.

7. The information dissemination device of claim 6 wherein the controller is configured to receive image information and control the projection assembly to deliver the image, and wherein the controller sets the projection position of the plumb member based on the image size.

8. The information dissemination device as claimed in claim 7, wherein the projection assembly comprises a projection end and an auto-focus module, the projection end is configured to receive the instruction from the controller and deliver the image to the projection screen, and the auto-focus module is configured to adjust a focal length of the projection end according to the projection position.

9. The information dissemination device as defined in claim 8 wherein the projection assembly further comprises a steering engine for adjusting the projection angle of the projection end.