CN211909019U

CN211909019U - USB-C interface wireless audio/video screen projector

Info

Publication number: CN211909019U
Application number: CN202020743683.0U
Authority: CN
Inventors: 陈伟祥; 邓涣林
Original assignee: Guangzhou Taizhi Information Technology Co ltd
Current assignee: Guangzhou Taizhi Information Technology Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2020-11-10
Anticipated expiration: 2030-05-08

Abstract

The utility model discloses a throw screen ware technical field's a USB-C interface wireless audio frequency and video and throw screen ware, include: a base plate assembly; the enclosure frame assembly is arranged on the top of the bottom plate assembly; a top cover assembly mounted on top of the enclosure frame assembly; a secondary PCB mounted on top of the base plate assembly, the secondary PCB being on top of the enclosure frame assembly, the base plate assembly comprising: the bottom plate comprises a bottom plate body, wherein a rechargeable battery is arranged at the bottom of an inner cavity of the bottom plate body; the mounting columns are uniformly arranged at the bottom of the inner cavity of the bottom plate body in an annular shape and are arranged on the outer side of the rechargeable battery; the main PCB board, main PCB board is installed the inner chamber bottom of bottom plate body, the utility model discloses can provide the wireless screen product of throwing of a USB-C interface, support to remove at will at 15 meters within ranges.

Description

USB-C interface wireless audio/video screen projector

Technical Field

The utility model relates to a throw screen ware technical field, specifically be a USB-C interface wireless audio frequency and video throw screen ware.

Background

The existing wireless screen projector in the market mainly uses an H.264 video and audio compression technology, high-definition audio and video signals are compressed into a stream signal with the bandwidth within 4Mbps, then the stream signal is wirelessly projected to a terminal display device through WiFi, compression and decompression are carried out, a large amount of operation work is needed, time delay in the aspect of video real-time performance is caused, and the time delay is obvious (the statistical data is a time delay level of more than 300 mS). The 60G carrier frequency wireless lossless transmission technology compresses the transmission delay time to be within 10mS level. The technical problems of time delay and image quality loss are perfectly solved.

The existing wireless screen projector in the market has the defects that the battery loss of a signal source end is accelerated, and the continuous screen projecting working time is obviously shortened. The latter needs to pull a power line, the random moving range is limited by the length of the power line, and the product is a pseudo wireless product which can not move randomly in a large range.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screen ware is thrown to wireless audio frequency and video of USB-C interface, throw the screen ware in order to solve the existing wireless on the market that proposes in the above-mentioned background art, the interface mainly is the wireless screen ware of throwing of HDMI + USBA and USB-A interface, lack the wireless screen ware of throwing of a USB-C interface, the wireless screen ware of throwing on the market, the wireless screen ware of throwing that the consumption is little, the low power supply provides the wireless operating current who throws the screen ware by the source end, the consumption is big, directly get the electricity from the commercial power the inside with the power adapter, then to throwing the power supply of screen ware, the shortcoming of the former is, the battery loss of signal source end has been accelerated, the operating time that leads to throwing. The latter needs to pull a power line, the random moving range is limited by the length of the power line, and the problem of a pseudo wireless product which cannot move randomly in a large range is solved.

In order to achieve the above object, the utility model provides a following technical scheme: a USB-C interface wireless audio/video screen projector comprises:

a base plate assembly;

the enclosure frame assembly is arranged on the top of the bottom plate assembly;

a top cover assembly mounted on top of the enclosure frame assembly;

and the auxiliary PCB is arranged at the top of the bottom plate assembly and is arranged at the top of the enclosure frame assembly.

Preferably, the base plate assembly includes:

the bottom plate comprises a bottom plate body, wherein a rechargeable battery is arranged at the bottom of an inner cavity of the bottom plate body;

the mounting columns are uniformly arranged at the bottom of the inner cavity of the bottom plate body in an annular shape and are arranged on the outer side of the rechargeable battery;

the main PCB board is installed the inner chamber bottom of bottom plate body, it is a plurality of main PCB board the inboard of erection column, main PCB board with rechargeable battery contactless, main PCB board with rechargeable battery electric connection.

Preferably, the enclosure frame assembly comprises:

a frame body;

and the USB interface is installed on the outer wall of the enclosure frame body.

Preferably, the cap assembly comprises:

a top plate body;

the mounting plate is clamped in a groove at the middle end of the top plate body;

and the screen projection key is arranged in the groove at the middle end of the top of the mounting plate.

Preferably, the sub PCB board includes:

a sub PCB body;

and the mounting holes are annularly and uniformly formed in the periphery of the top of the auxiliary PCB body, and penetrate through the bottom of the auxiliary PCB body.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can provide the wireless screen product of throwing of a USB-C interface, support to remove at will at 15 meters within ranges, at the input, add a USB-C and change the conversion module of HDMI, decompose out USB1.1 back control interface of the same kind simultaneously. The HDMI + USB1.1 signal is output to an H.264 compression processing module to generate a media stream, the media stream is sent to a far end through a WiFi-5G wireless network, a rechargeable battery is provided, the battery supplies power during normal use of a conference, no additional electric energy needs to be supplemented, namely, a source end is not needed to supply power to the USB-C wireless screen projector, and a commercial power is inserted for charging after the conference is finished. And after the charging is finished, the charging is automatically stopped.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the installation of the sub PCB and the bottom plate assembly of the present invention;

FIG. 3 is a schematic structural view of the bottom plate assembly of the present invention;

FIG. 4 is a schematic structural view of the enclosure frame assembly of the present invention;

fig. 5 is a schematic structural view of the top cover assembly of the present invention;

fig. 6 is a schematic diagram of the structure of the auxiliary PCB board of the present invention.

In the figure: 100 bottom plate components, 110 bottom plate bodies, 120 mounting columns, 130 main PCBs, 200 enclosure frame components, 210 enclosure frame bodies, 220USB interfaces, 300 top cover components, 310 top plate bodies, 320 mounting plates, 330 screen projection keys, 400 auxiliary PCBs, 410 auxiliary PCB bodies and 420 mounting holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a screen ware is thrown to wireless audio frequency and video of USB-C interface can provide the wireless screen product of throwing of a USB-C interface, supports to remove at will in 15 meters within ranges, please refer to figure 1, include: a bottom plate assembly 100, a surrounding frame assembly 200, a top cover assembly 300 and a sub PCB 400;

referring to fig. 1 and 2, the bottom plate assembly 100 includes:

the bottom of the inner cavity of the bottom plate body 110 is provided with a rechargeable battery, the bottom plate body 110 is of a circular structure, the rechargeable battery is a lithium battery, the capacity of the rechargeable battery is 10000mAh, the emitter built-in battery is charged while the emitter built-in battery is charged, the source end is charged in a reverse mode while the emitter built-in battery is wirelessly projected, 95% -5% of discharging time reaches 5 hours, and the requirement of basic meeting time is met. The heavy user can realize the use experience of charging one day;

the mounting columns 120 are uniformly arranged at the bottom of the inner cavity of the bottom plate body 110 in an annular shape, the mounting columns 120 are arranged on the outer side of the rechargeable battery, the mounting columns 120 and the bottom plate body 110 are integrally processed, external threads are formed in the top of the outer wall of each mounting column 120, and the number of the mounting columns 120 is 4-8;

the main PCB 130 is mounted at the bottom of the inner cavity of the bottom plate body 110 through bolts, the main PCB 130 is located inside the plurality of mounting columns 120, the main PCB 130 is not in contact with the rechargeable battery, the main PCB 130 is electrically connected with the rechargeable battery, the main PCB 130 is a DPtoHDMI conversion processing module for converting a USB-C interface into an HDMI interface + a USB1.1 interface, and the USB1.1 is a reverse control return channel and supports a 1080P @60 HDMI signal;

referring to fig. 1, 3 and 4, the enclosure frame assembly 200 is mounted on the top of the base plate assembly 100, and the enclosure frame assembly 200 includes:

enclose frame body 210 and pass through the buckle joint in the outside of bottom plate body 110, the outer wall side that encloses frame body 210 and the lateral wall parallel and level of bottom plate body 110, it is cylindric to enclose frame body 210, it is the aluminum alloy to enclose frame body 210, more electrical components can be installed to circular structure, the box of aluminum alloy, can be used as whole heat dissipation and shielding effect, in the use, the heat is evenly scattered to holistic casing, then the air flow through the top layer, in giving off the heat to the air, accomplish the heat dissipation. The overall heat dissipation effect is remarkable, and the surface temperature of a transmitting end is controlled within 42 ℃;

the USB interface 220 is installed on the outer wall of the enclosure frame body 210, the USB interface 220 is a USB-C interface, the USB interface 220 is electrically connected with the main PCB 130, and the wireless screen projection function of a USB-C mobile phone or a notebook computer is supported;

referring to fig. 1, 4 and 5, the top cover assembly 300 is mounted on the top of the enclosure frame assembly 200, and the top cover assembly 300 includes:

the top plate body 310 is installed on the inner side of the top of the enclosure frame body 210 through a buckle, the top of the top plate body 310 is flush with the top of the enclosure frame body 210, and the top plate body 310 is made of aluminum alloy;

the mounting plate 320 is clamped in a groove at the middle end of the top plate body 310, the top of the mounting plate 320 is flush with the top of the top plate body 310, the bottom of the mounting plate 320 is flush with the bottom of the top plate body 310, the mounting plate 320 is an acrylic plate, the whole machine is made of aluminum alloy, the machine top is a large-area acrylic window, a wireless radio frequency signal can be conveniently projected to a receiving end through the machine top, and the stable wireless transmission distance can reach 15 m;

the screen projection key 330 is arranged in a groove at the middle end of the top of the mounting plate 320, and the screen projection key 330 is electrically connected with the rechargeable battery;

referring to fig. 2 and 6, the sub PCB 400 is mounted on the top of the bottom plate assembly 100, the sub PCB 400 is mounted on the top of the enclosure frame assembly 200, and the sub PCB 400 includes:

the auxiliary PCB body 410 is arranged in the groove at the top of the bottom plate body 110 through a nut, the auxiliary PCB body 410 is electrically connected with the main PCB 130, the auxiliary PCB body 410 is an MICPCB, the utility model discloses at the input end, add a USB-C to HDMI conversion module, decompose out a USB1.1 back control interface all the way at the same time, HDMI + USB1.1 signal output to an H.264 compression processing module, generate the media stream, and then send to the far end through WiFi-5G wireless network;

a plurality of mounting holes 420, a plurality of mounting holes 420 are the top periphery that the annular was evenly seted up at vice PCB body 410, mounting hole 420 runs through the bottom of vice PCB body 410, the quantity of mounting hole 420 is the same with the quantity of erection column 120, the position of mounting hole 420 is corresponding with the position of erection column 120, vice PCB body 410 passes through mounting hole 420 joint on the outer wall of erection column 120, and fix vice PCB body 410 on the outer wall of erection column 120 through the nut, with this with vice PCB body 410 fixed mounting in the top recess of bottom plate body 110.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A USB-C interface wireless audio/video screen projector is characterized in that: the method comprises the following steps:

a floor assembly (100);

a surrounding frame assembly (200), wherein the surrounding frame assembly (200) is installed on the top of the bottom plate assembly (100);

a top cover assembly (300), the top cover assembly (300) being mounted on top of the enclosure frame assembly (200);

a secondary PCB board (400), the secondary PCB board (400) being mounted on top of the base plate assembly (100), the secondary PCB board (400) being on top of the enclosure frame assembly (200).

2. The USB-C interface wireless audio/video screen projector according to claim 1, characterized in that: the floor assembly (100) comprises:

the bottom plate comprises a bottom plate body (110), wherein a rechargeable battery is mounted at the bottom of an inner cavity of the bottom plate body (110);

the mounting columns (120) are uniformly arranged at the bottom of the inner cavity of the bottom plate body (110) in an annular shape, and the mounting columns (120) are arranged on the outer side of the rechargeable battery;

the main PCB board (130), install main PCB board (130) the inner chamber bottom of bottom plate body (110), main PCB board (130) are a plurality of the inboard of erection column (120), main PCB board (130) with rechargeable battery is not contacted each other, main PCB board (130) with rechargeable battery electric connection.

3. The USB-C interface wireless audio/video screen projector according to claim 1, characterized in that: the enclosure assembly (200) comprises:

a frame body (210);

the USB interface (220), USB interface (220) install on the outer wall of enclosing frame body (210).

4. The USB-C interface wireless audio/video screen projector according to claim 1, characterized in that: the cap assembly (300) comprises:

a top plate body (310);

the mounting plate (320), the mounting plate (320) is clamped in the groove of the top middle end of the top plate body (310);

a screen projecting key (330), wherein the screen projecting key (330) is arranged in a groove at the middle end of the top of the mounting plate (320).

5. The USB-C interface wireless audio/video screen projector according to claim 1, characterized in that: the sub PCB board (400) includes:

a secondary PCB body (410);

a plurality of mounting holes (420), it is a plurality of mounting holes (420) are the annular and evenly set up in the top periphery of vice PCB board body (410), mounting holes (420) run through the bottom of vice PCB board body (410).