CN210691293U

CN210691293U - Screen projection device

Info

Publication number: CN210691293U
Application number: CN201921638062.XU
Authority: CN
Inventors: 孙敏; 冯军; 赵龙; 杨展维; 许加文; 付文春; 蒋朝任; 罗怀淋; 李强; 张晓辉; 郑强; 唐玲
Original assignee: CISDI Chongqing Information Technology Co Ltd
Current assignee: CISDI Chongqing Information Technology Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-05
Anticipated expiration: 2029-09-27

Abstract

The utility model provides a throw screen device, including casing, circuit board and antenna module, the casing includes first casing and second casing, first casing with the second casing is connected, the circuit board with first casing or second casing are connected, the antenna module with circuit board signal connection, the antenna module is including being used for carrying out data exchange's first antenna element towards the terminal and being used for carrying out data exchange's second antenna element towards the network. By arranging the plurality of antennas, not only data exchange facing to a terminal is realized, but also data exchange facing to a network can be realized, and the use is convenient.

Description

Screen projection device

Technical Field

The utility model belongs to the electronic product field especially relates to a throw screen device.

Background

In the enterprise meeting or work demonstration process, screen projection demonstration is needed, a computer is connected with a projector or a television before screen projection, matched connecting lines are needed, various screen sharing applications need to be downloaded when a mobile phone or a tablet computer wants to screen projection, matched connecting lines and applications are not convenient to obtain, screen projection cannot be achieved, and user experience is poor.

The existing screen projector or box is large in size, is externally provided with an antenna and is inconvenient to carry; and the screen projector or the box is inconvenient to surf the internet when projecting the screen, and cannot better support the network of the enterprise needing authentication.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcoming of the prior art, an object of the utility model is to provide a throw screen device for throw the inconvenient problem of screen among the solution prior art.

In order to achieve the above and other related objects, the utility model provides a throw screen device, including casing, circuit board and antenna module, the casing includes first casing and second casing, first casing with the second casing is connected, the circuit board with first casing or second casing are connected, the antenna module with circuit board signal connection, the antenna module is including being used for carrying out data exchange's first antenna element towards the terminal and being used for carrying out data exchange's second antenna element towards the network.

Optionally, the first antenna unit and the second antenna unit respectively include two antennas, and extending directions of the two antennas intersect.

Optionally, the extending directions of the two antennas are perpendicular.

Optionally, the antennas in the first antenna unit and the second antenna unit are arranged in a quadrilateral shape.

Optionally, a heat dissipation module is further disposed on the circuit board.

Optionally, the screen projection device further comprises a heat-conducting plate, one end of the heat-conducting plate is connected with the heat-radiating module, and the other end of the heat-conducting plate is connected with the shell.

Optionally, a protrusion for dissipating heat is disposed at one end of the housing close to the heat dissipation module.

Optionally, the housing is provided with heat dissipation holes.

Optionally, a foot pad for supporting is further arranged on one side of the shell, which is provided with the heat dissipation holes.

Optionally, the circuit board further includes a status indicator light, a reset button, a USB interface, an HDMI interface, and a power interface.

As described above, the utility model discloses a throw screen device has following beneficial effect:

by arranging the plurality of antennas, not only data exchange facing to a terminal is realized, but also data exchange facing to a network can be realized, and the use is convenient.

Drawings

Fig. 1 is an explosion structure schematic diagram of a screen projection device provided by the embodiment of the present invention.

Description of reference numerals

1-a first housing; 2-a second housing; 3-a foot pad; 4-a screw; 5-status indicator lights; 6-reset key; 7-USB interface; 8-HDMI interface; 9-power interface; 10-a circuit board; 11-an antenna; 12-a heat dissipation module; 13-a heat-conducting plate; 14-heat dissipation hole

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Referring to fig. 1, the present invention provides a screen projection device, including a housing, a circuit board 10 and an antenna module, where the housing includes a first housing 1 and a second housing 2, the first housing 1 is connected to the second housing 2, the circuit board 10 is connected to the first housing 1 or the second housing 2, the antenna module is in signal connection with the circuit board 10, the antenna module includes a first antenna unit for performing data exchange towards a terminal and a second antenna unit for performing data exchange towards a network, the screen projection device can be in data connection with a screen and a display, the first antenna unit performs data exchange with the terminal, the terminal transmits data to the screen projection device, and then the screen projection device finishes screen projection and displays the data on the screen and the display, and meanwhile, the second antenna unit can perform data exchange with a local area network, an ethernet, an internet of things or the internet, when screen projection display is performed, an external network can be accessed, especially a network which can support enterprises to need authentication, the circuit board can be integrated with components such as registers, Processing modules, and the like, the Processing modules can adopt various units which can realize adjustable digital signals, such as various singlechips, microcontrollers, DSPs (digital signal processors), FPGAs (Field Programmable Gate arrays), upper computers or Central Processing Units (CPUs), in this embodiment, the controller can adopt a singlechip, various control functions can be realized by programming the singlechip, for example, in this embodiment, the collection, Processing and demodulation functions of images, video signals and level signals can be realized by adopting a hai thought scheme, and the singlechip has the advantages of being convenient for interface calling and control.

In other implementation processes, the screen projection device comprises a first shell 1 and a second shell 2, the whole shell is in a round-corner square shape, and screw ports at four corners of the second shell 2 are embedded into screws 4 and are fixedly connected with the first shell 1; after the screws 4 of the second shell 2 are fixed, the reserved hole grooves are matched with and embedded into the silica gel foot pads 3, and the foot pads 3 are kept to be supported when the second shell is 0.2mm out; the periphery of the second shell 2 is provided with strip-shaped heat dissipation holes 14 on the peripheral micro-radian inclined plane, so that heat dissipation is facilitated; a mounting rack is arranged in the first shell 1 to fix the circuit board 10; four built-in Wi-Fi antennas 11 are installed in gaps between the circuit board 10 and the periphery of the first shell 1, a small clamping groove is embedded in the first shell 1, and two adjacent antennas 11 form a right angle with each other, so that the stability and the strength of the antenna function are guaranteed, screen projection connection and internet surfing are met, and the access of an enterprise authentication Wi-Fi network can be better met; the circuit board 10 is welded with a status indicator lamp 5, an HDMI interface 8, a USB interface 7, a power interface 9 and a reset key 6; there are thermal module 12 and heat-conducting plate 13 between circuit board 10 and the first casing 1, second casing 2 still can set up the arch, prevent that the heat from concentrating, distribute away the heat of the one side that makes progress of circuit board through thermal module 12, and conduct the heat to first casing 1 through heat-conducting plate 13, first casing 1 distributes the heat to throw the screen device outside, can also combine second casing 2's louvre 14 to dispel the heat when throwing the screen device operation, reach the radiating purpose of the downward one side of circuit board

In other implementation processes, the antennas 11 in the first antenna unit and the second antenna unit are arranged in a quadrilateral shape, so that the shape of the shell can be well matched, the internal space is reasonably utilized, the volume of the shell is reduced, stable transmission and reception of signals are ensured, signal interference is also prevented, the shape of the shell is convenient to match, the shell is convenient to integrate in the shell, in the specific implementation process, the size of the whole box body of the screen projection box is 110mm 24mm, and the screen projection box is suitable for being carried or placed on a desktop of a conference room for use.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a throw screen device, its characterized in that includes casing, circuit board and antenna module, the casing includes first casing and second casing, first casing with the second casing is connected, the circuit board with first casing or second casing are connected, antenna module with circuit board signal connection, antenna module is including being used for carrying out data exchange towards the terminal first antenna unit and being used for carrying out data exchange towards the network second antenna unit.

2. The screen projection device of claim 1, wherein: the first antenna unit and the second antenna unit respectively comprise two antennas, and the extending directions of the two antennas are intersected.

3. The screen projection device of claim 2, wherein: the extending directions of the two antennas are perpendicular.

4. The screen projection device according to claim 1 or 2, wherein: the antennas in the first antenna unit and the second antenna unit are arranged in a quadrilateral shape.

5. The screen projection device of claim 1, wherein: and the circuit board is also provided with a heat dissipation module.

6. The screen projection device of claim 5, wherein: the screen projection device further comprises a heat-conducting plate, one end of the heat-conducting plate is connected with the heat-radiating module, and the other end of the heat-conducting plate is connected with the shell.

7. The screen projection device as claimed in claim 5 or 6, wherein a protrusion for dissipating heat is provided at one end of the housing close to the heat dissipation module.

8. A screen projection apparatus as claimed in claim 5 or 6, wherein the housing is provided with heat dissipation apertures.

9. The screen projection device of claim 8, wherein a support foot is further provided on the side of the housing where the heat dissipation holes are provided.

10. The screen projection device of claim 1, wherein the circuit board further comprises a status indicator light, a reset button, a USB interface, an HDMI interface, and a power interface.