CN213876691U

CN213876691U - External wireless screen projection equipment

Info

Publication number: CN213876691U
Application number: CN202021904225.7U
Authority: CN
Inventors: 杨泽钰; 黄科杰; 吴鹏健
Original assignee: Shenzhen Lechuang Video Technology Co ltd
Current assignee: Shenzhen Lechuang Video Technology Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-08-03
Anticipated expiration: 2030-09-03

Abstract

The utility model discloses an external wireless screen equipment of throwing belongs to and throws screen equipment field, and external wireless screen equipment of throwing is including the sender, the receiving box that are used for external video source end, it is provided with first wireless module to send the ware, the receiving box is provided with second wireless module, first wireless module pass through the WIFI heat point with second wireless module internet access. The utility model provides an external wireless screen equipment of throwing can support the video source that can't carry out wireless network connection to throw the screen operation, and can satisfy the screen demand of throwing at polymorphic type terminals such as computer, mobile device and HDMI video equipment.

Description

External wireless screen projection equipment

Technical Field

The utility model relates to a throw the screen equipment field, especially relate to an external wireless screen equipment of throwing.

Background

The wireless screen projection is called wireless screen sharing, screen flying, screen sharing and the like, and is mainly used for displaying on a screen B in real time by a screen of the device A. The existing wireless screen projection equipment is only suitable for wireless screen projection of mobile equipment such as a mobile phone and the like which can be connected through a wireless network, however, many HDMI video source equipment do not have a network connection function, and wireless screen projection operation cannot be carried out.

Chinese patent document publication No. CN211293918U discloses a novel multifunctional mobile phone screen projection system, which includes a power supply HDMI signal processing motherboard, a main control board, a touch panel control board body, a key board body and a liquid crystal display screen, the power supply HDMI signal processing motherboard is electrically connected with a power input port, an HDMI signal connector, a USB female socket interface, a signal connector and a first MOS tube, the main control board is electrically connected with a 5v power input port, a Typc interface, an HDMI connector interface, a first main board connector, a main board speaker socket, a liquid crystal display socket, a second main board connector, a main control chip, a second MOS tube, a main board power circuit and a main board battery circuit connection socket. Although the multifunctional mobile phone screen projection system comprises various interfaces, corresponding screen projection requirements can not be met obviously under the condition that the HDMI video source equipment has a certain distance from the display equipment, and the video source which can not be connected with a network is not supported to carry out screen projection operation.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect of the prior art, the utility model aims to solve the technical problem that an external wireless screen equipment of throwing is proposed can support the video source that can't carry out wireless network connection to throw the screen operation, and can satisfy the screen demand of throwing at polymorphic type terminals such as computer, mobile device and HDMI video equipment.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a pair of screen equipment is thrown to external wireless, including the sender, the receiving box that are used for external video source end, the sender is provided with first wireless module, the receiving box is provided with second wireless module, first wireless module pass through the WIFI hotspot with second wireless module internet access.

The utility model discloses preferred technical scheme lies in, still includes the display, the receiving box with the display electricity is connected.

The utility model discloses preferred technical scheme lies in, send the ware includes first casing, is located the inside transmission card of first casing.

The utility model discloses preferred technical scheme lies in, the positive middle part of first casing is provided with the transmission button, one side of transmission button is provided with the work pilot lamp, the transmission button with the work pilot lamp all with the transmission card electricity is connected.

The utility model discloses preferred technical scheme lies in, the transmission card is including transmission control circuit board and transmission interface board, the transmission interface board is located on the lateral wall of first casing, be provided with HDMI interface and USB interface on the transmission interface board, the HDMI interface with the USB interface with the transmission control circuit board electricity is connected.

The utility model discloses preferred technical scheme lies in, be provided with two unification interfaces on the transmission interface board, two unification interfaces and HDMI and two unification data line electricity of USB are connected.

The utility model discloses preferred technical scheme lies in, receive the box and include the second casing, be located the inside card that receives of second casing.

The utility model discloses preferred technical scheme lies in, the receiving card is including receiving control circuit board and at least one receiving interface board, at least one receiving interface board is located on a lateral wall or a plurality of lateral walls of second casing, all be provided with AO interface, USB interface, HDMI interface, IP interface, TF draw-in groove and wiFi transceiver on the receiving interface board, the AO interface the USB interface the HDMI interface the IP interface the TF draw-in groove and the wiFi transceiver all with receiving control circuit board electricity and connecting.

The utility model has the preferable technical proposal that the front side of the second shell is provided with a switch button;

the utility model discloses preferred technical scheme lies in, it includes master control chip board and power management chip to receive control circuit board, master control chip board's power end with power management chip electricity is connected, the AO interface the USB interface the HDMI interface the IP interface the TF draw-in groove and the WiFi transceiver all with master control chip board electricity is connected, master control chip board's model configuration is H80FCBGA345, power management chip's model configuration is AXP 818.

The utility model has the advantages that:

the utility model provides an external wireless screen equipment of throwing, set up and sent the ware and receive the box, send the ware and receive and carry out radio signal transmission through the WIFI focus between the box, send the ware itself can compatible each type again through the USB interface, the video source of HDMI interface transmission, even the event can't carry out wireless network connection's video source equipment can't link to each other with receiving the box, also can carry out the transfer of signal through sending the ware, thereby make the external wireless screen equipment of throwing that this application provided can support the computer, the screen demand of throwing of polymorphic type terminals such as mobile device and HDMI video equipment, the ease of use of external wireless screen equipment of throwing has greatly been promoted.

Drawings

Fig. 1 is a schematic diagram of a transmitter provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of a receiving box provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a receiving interface board provided in an embodiment of the present invention;

fig. 4 is a circuit diagram of a receiving card provided in an embodiment of the present invention;

fig. 5 is a peripheral connection diagram of an external wireless screen projection device provided in the specific embodiment of the present invention.

In the figure:

1. a transmitter; 2. a receiving box; 3. a display; 11. a first housing; 12. a transfer button; 13. a work indicator light; 14. HDMI and USB two-in-one data line; 21. a second housing; 22. a receiving interface board; 221. an AO interface; 222. a USB interface; 223. an HDMI interface; 224. an IP interface; 225. TF card slot; 226. a WiFi transceiver; 211. a switch button; 231. a main control chip board; 232. and a power management chip.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Example one

As shown in fig. 5, the external wireless screen projection device provided in this embodiment includes a transmitter 1, a receiving box 2 and a display 3, where the transmitter 1 is provided with a first wireless module, the receiving box 2 is provided with a second wireless module, the first wireless module is connected to the second wireless module through a WIFI hot point, and the receiving box 2 is electrically connected to the display 3. Because can carry out wireless signal transmission through the WIFI focus between sender 1 and the receiving box 2, sender 1 is by the video source that can transmit through its USB interface, HDMI interface itself, so do not have wireless module's video source equipment, through linking to each other with sender 1, just can throw the screen operation on display 3 through receiving box 2, the ease for use is strong.

As shown in fig. 1, in order to facilitate the transmitter 1 to connect with a video source device and perform video relay, further, the transmitter 1 includes a first housing 11 and a transmitting card located inside the first housing 11, where the transmitting card refers to a circuit board including an interface. The positive middle part of first casing 11 is provided with transmission button 12, and transmission button 12 is square button, and one side of transmission button 12 is provided with work pilot lamp 13, and work pilot lamp 13 is rectangular form, and transmission button 12 all is connected with the transmission card electricity with work pilot lamp 13. After video source equipment and sender 1 are connected through HDMI and the two unification data lines of USB 14 electricity, press transmission button 12 just can directly throw the screen operation, compare and need throw the mode of screen again after setting up through software APP among the prior art simpler. The operation indicator lamp 13 is used to display the operation state of the transmitter 1, for example: when the transmitter 1 is in the operating state, the operation indicator lamp 13 is green. Further preferably, the transmitting card includes a transmitting control circuit board and a transmitting interface board, the transmitting interface board is located on one side wall of the first housing 11, the transmitting interface board is provided with an HDMI interface 223 and a USB interface 222, the HDMI interface 223 and the USB interface 222 are electrically connected with the transmitting control circuit board (since the transmitting interface board is similar to the receiving interface board 22, not shown in the drawings).

As shown in fig. 2, 3, 4 and 5, the receiving box 2 further includes a second housing 21 and a receiving card located inside the second housing 21, where the receiving card is a circuit board including an interface. Further preferably, the receiving card includes a receiving control circuit board and at least one receiving interface board 22, the at least one receiving interface board 22 is located on one side wall or a plurality of side walls of the second housing 21, the receiving interface board 22 is provided with an AO interface 221, a USB interface 222, an HDMI interface 223, an IP interface 224, a TF card slot 225 and a WiFi transceiver 226, and the AO interface 221, the USB interface 222, the HDMI interface 223, the IP interface 224, the TF card slot 225 and the WiFi transceiver 226 are all electrically connected to the receiving control circuit board. The AO interface 221, the USB interface 222, and the HDMI interface 223 are used for transmitting audio and video signals, the IP interface 224 is used for performing wired network connection with devices such as a computer, the TF card slot 225 is used for plugging a TF mobile card, and the WiFi transceiver 226 is used for receiving and transmitting WiFi signals, so that the receiving box 2 and the transmitter 1 perform wireless network connection. Further preferably, the front surface of the second housing 21 is provided with a switch button 211, the switch button 211 can realize the power-on or power-off of the receiving box 2, and after the receiving box 2 is in the power-on state, the receiving box 2 can automatically retrieve the WIFI signal for networking.

As shown in fig. 4, the receiving control circuit board includes a main control chip board 231 and a power management chip 232, a power source end of the main control chip board 231 is electrically connected to the power management chip 232, the AO interface 221, the USB interface 222, the HDMI interface 223, the IP interface 224, the TF card slot 225 and the WiFi transceiver 226 are electrically connected to the main control chip board 231, the power management chip 232 is configured to supply power to the whole receiving control circuit board, and the main control chip board 23 is configured to integrate signals of the wired, wireless and receiving boxes 2 and then display the signals through the display 3. The master chip board 231 is configured with an H80FCBGA345, which is often used for audio-video stream conversion and transmission, and the power management chip 232 is configured with an AXP 818.

Example two

The external wireless screen projection equipment provided in the embodiment comprises a transmitter 1, a receiving box 2 and a display 3, wherein the transmitter 1 is used for being connected with an external video source end, the receiving box 2 is provided with a second wireless module, the first wireless module is connected with the second wireless module through a WIFI hot point in a network mode, and the receiving box 2 is electrically connected with the display 3. The second embodiment is different from the first embodiment in that:

the transmitting interface board is provided with a two-in-one interface which is electrically connected with the HDMI and USB two-in-one data line 14. The HDMI structure and the USB structure are integrated on one data line, and the transmitting interface board is more convenient to electrically connect with an external video source end by the arrangement mode.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The utility model provides an external wireless screen projection equipment which characterized in that:

the device comprises a transmitter (1) for externally connecting a video source end and a receiving box (2);

the transmitter (1) is provided with a first wireless module, the receiving box (2) is provided with a second wireless module, and the first wireless module is in network connection with the second wireless module through a WIFI hotspot;

the receiving box (2) comprises a second shell (21) and a receiving card positioned inside the second shell (21), the receiving card comprises a receiving control circuit board and at least one receiving interface board (22), the at least one receiving interface board (22) is positioned on one side wall or a plurality of side walls of the second shell (21), the receiving interface board (22) is provided with an AO interface (221), a USB interface (222), an HDMI interface (223), an IP interface (224), a TF card slot (225) and a WiFi transceiver (226), and the AO interface (221), the USB interface (222), the HDMI interface (223), the IP interface (224), the TF card slot (225) and the WiFi transceiver (226) are electrically connected with the receiving control circuit board.

2. The external wireless screen projection device as claimed in claim 1, wherein:

further comprising a display (3);

the receiving box (2) is electrically connected with the display (3).

3. The external wireless screen projection device as claimed in claim 1 or 2, wherein:

the transmitter (1) comprises a first housing (11), a transmitting card located inside the first housing (11).

4. The external wireless screen projection device as recited in claim 3, wherein:

a transmission button (12) is arranged in the middle of the front surface of the first shell (11);

a working indicator lamp (13) is arranged on one side of the transmission button (12);

the transmission button (12) and the working indicator lamp (13) are electrically connected with the transmitting card.

5. The external wireless screen projection device as recited in claim 3, wherein:

the transmitting card comprises a transmitting control circuit board and a transmitting interface board;

the transmitting interface board is positioned on one side wall of the first shell (11), an HDMI (high-definition multimedia interface) and a USB (universal serial bus) interface (222) are arranged on the transmitting interface board, and the HDMI interface (223) and the USB interface (222) are electrically connected with the transmitting control circuit board.

6. The external wireless screen projection device as claimed in claim 5, wherein the external wireless screen projection device is arranged in a manner of being externally connected with the screen

The transmitting interface board is provided with a two-in-one interface;

the two-in-one interface is electrically connected with the HDMI and USB two-in-one data line (14).

7. The external wireless screen projection device as claimed in claim 1, wherein:

the front surface of the second shell (21) is provided with a switch button (211).

8. The external wireless screen projection device as claimed in claim 1, wherein:

the receiving control circuit board comprises a main control chip board (231) and a power management chip (232);

the power end of the main control chip board (231) is electrically connected with the power management chip (232), and the AO interface (221), the USB interface (222), the HDMI interface (223), the IP interface (224), the TF card slot (225) and the WiFi transceiver (226) are all electrically connected with the main control chip board (231);

the model of the main control chip board (231) is configured to be H80FCBGA 345;

the power management chip (232) is configured with a model number AXP 818.