CN215072563U - Wireless screen projection device - Google Patents
Wireless screen projection device Download PDFInfo
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- CN215072563U CN215072563U CN202120843350.XU CN202120843350U CN215072563U CN 215072563 U CN215072563 U CN 215072563U CN 202120843350 U CN202120843350 U CN 202120843350U CN 215072563 U CN215072563 U CN 215072563U
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- projection device
- middle frame
- screen projection
- shell assembly
- assembly
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Abstract
The utility model provides a wireless screen projection device, which comprises a transmitter and a receiver, wherein the transmitter and the receiver are both internally provided with a millimeter wave antenna array, wireless video transmission of 25m can be supported at the utmost through wireless signals, and the wireless video transmission can be connected and paired after receiving and sending, so that complicated wire connection in the middle is omitted; the transmitter and the receiver are provided with USB-C charging interfaces for supplying power to products, the transmitter is provided with an HDMI interface and can support local loop-out, the transmitter is further provided with two USB-A interfaces, data reading and mouse and keyboard use are supported, a docking station function is provided, and the requirements of working modes are met.
Description
Technical Field
The utility model relates to an image transmission technical field especially relates to a wireless screen device of throwing.
Background
The screen projection technology belongs to the technology frequently used in daily work, and both work report and product release and teaching activities can synchronously display contents on a PC or a mobile phone to a large screen for display, but the common method is to connect a signal source and an external display device by using an HDMI (high-definition multimedia interface) line, the longer the HDMI line is, the transmission efficiency of the HDMI line can be influenced, and in addition, signal instability exists through WIFI transmission, and signal source information cannot be guided into the display device.
Disclosure of Invention
The utility model provides a wireless screen device of throwing aims at solving the current screen signal instability of throwing, and transmission distance is shorter, awkward technical problem.
The technical scheme of the utility model as follows:
a wireless screen projection device comprises a transmitter and a receiver, and is characterized in that,
the transmitter comprises a first front shell assembly, a first heat dissipation assembly, a transmitting module, a first middle frame and a first rear shell assembly, wherein the first front shell assembly is fixedly connected with the first rear shell assembly, the first heat dissipation assembly is positioned in the surrounding of the first front shell assembly and the first middle frame, the transmitting module is positioned in the surrounding of the first front shell assembly and the first rear shell assembly, and the transmitting module is fixed with the first middle frame through screws.
The receiver comprises a second front shell assembly, a second heat dissipation assembly, a receiving module, a second middle frame and a second rear shell assembly, wherein the second front shell assembly is fixedly connected with the second rear shell assembly, the second heat dissipation assembly is positioned in the surrounding of the second front shell assembly and the second middle frame, the receiving module is positioned in the surrounding of the second front shell assembly and the second rear shell assembly, and the receiving module is fixed with the second middle frame through screws;
the device also comprises a base, and the emitter and the receiver are respectively connected with the base in a rotating way.
The beneficial effects are that: the utility model provides a wireless screen device of throwing, including transmitter and receiver, during the use, earlier through TYPE-C mouth with transmitter and receiver switch on, use the HDMI line to connect transmitter and signal source (can be camera, computer, cell-phone, flat board), use the HDMI line to connect receiver and display device (can be computer, projecting apparatus), can use after transmitter and receiver automatic pairing succeeds.
The utility model can support 25m wireless video transmission at the utmost through the built-in millimeter wave wireless module, and can be connected and paired once receiving and sending, thereby omitting complicated wire connection in the middle; the transmitter and the receiver are both provided with USB-C charging interfaces to support the power supply for products during blind insertion, the HDMI arranged on the transmitter can support local loop-out, and the transmitter is also provided with a USB-A interface to support data reading and mouse and keyboard use, and the transmitter is provided with a docking station function to meet the use requirements of working modes.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a perspective view of the wireless screen projection device of the present invention.
Fig. 2 is an exploded view of the transmitter of the present invention.
Fig. 3 is an exploded view of the receiver of the present invention.
The reference numbers illustrate:
-100 a transmitter; a receiver-200; toughened glass-11; a front shell-12; a light-diffusing film-13; glass gum-14; a light hole-15; window-16; a hook-17; a heat dissipation bracket-21; heat-conducting silica gel-22; a fan-23; notch-211; a millimeter wave transmitting plate-31; a transmission signal processing board-32; an expansion interface board-33; a first middle frame-4; a second middle frame-40; a stud-41; screw holes-42; a groove-43; a through-hole-44; a rear shell-51; key-52; expanding the opening-53; a vent-54; a buckle-55; a millimeter wave receiving board-61; a received signal processing board-62; a base-7; a silica gel pad-8; screw-9: stainless steel damping rotating shaft-10.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
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.
As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a wireless screen projection device, including a transmitter 100 and a receiver 200, characterized in that, the transmitter 100 includes a first front shell component, a first heat dissipation component, a transmitting module, a first middle frame 4 and a first rear shell component, the first front shell component and the first rear shell component are connected by a buckle, the first heat dissipation component is located in the enclosure of the first front shell component and the first middle frame 4, the transmitting module is located in the enclosure of the first front shell component and the first rear shell component, and the transmitting module is fixed with a first middle frame 4 screw 9; the receiver 200 includes a second front shell assembly, a second heat dissipation assembly, a receiving module, a second middle frame 40 and a second rear shell assembly, the second front shell assembly and the second rear shell assembly are connected in a snap-fit manner, the second heat dissipation assembly is located in the enclosure of the second front shell assembly and the second middle frame 40, the receiving module is located in the enclosure of the second front shell assembly and the second rear shell assembly, and the receiving module is fixed to the second middle frame 40 through screws 9; the second front shell assembly and the second rear shell assembly can also be fixed by dispensing or welding.
Further, first preceding shell subassembly includes toughened glass 11, preceding shell 12, light diffusing film 13 and glass gum 14, toughened glass 11 passes through glass gum 14 and preceding shell 12 fixed connection, light diffusing film 13 is fixed on preceding shell 12, preceding shell 12 is provided with the cavity, has a plurality of trips 17 to the extension of 4 directions of first center in the cavity, still is provided with light hole 15 on preceding shell 12 surface.
Further, the front case 12 and the light-diffusing film 13 are provided with a window 16 at the same position, and the window 16 functions to facilitate signal propagation.
Further, first radiator unit includes heat dissipation support 21, heat conduction silica gel 22 and fan 23, heat dissipation support 21 passes through the screw 9 to be fixed on first center 4, heat conduction silica gel 22 pastes on emission module and receiving module, fan 23 is fixed on the first backshell subassembly and be connected with the emission module electricity.
Further, the heat dissipation bracket 21 is provided with a notch 211, and the notch 211 corresponds to the position of the window 16, which is also opened for facilitating signal propagation.
Further, the first middle frame 4 has a shape with two concave ends and a convex edge, a plurality of grooves 43 matching the expansion interface board 33 and the transmission signal processing board 32 or the reception signal processing board 62 are arranged in the first middle frame 4, a plurality of through holes 44 for fastening the front shell 12 and the rear shell 51 are further arranged, and a plurality of screw posts 41 and screw holes 42 are further arranged.
Further, the first rear shell assembly comprises a rear shell 51 and a key 52, the surface of the rear shell 51 is provided with a plurality of expansion openings 53 and vent holes 54, the expansion openings 53 can be adapted to include but not limited to HDMI terminals, Type-C terminals and USB-a terminals, the rear shell 51 is provided with a cavity, the cavity represents that the rear shell 51 is shaped like a boat, the cavity is provided with a plurality of buckles 55 extending towards the first middle frame 4, and the cavity is further provided with a limiting convex column for fixing the fan 23.
Further, the transmitting module includes a millimeter wave transmitting board 31, a signal transmitting processing board 32, and an expansion interface board 33; the millimeter wave transmitting module is arranged on the millimeter wave transmitting board 31, the signal transmitting processing board 32 is provided with an HDMI bridging chip, a data conversion chip, an MCU chip, a DP-to-HDMI chip, a PD quick charging chip, a data conversion chip and a Type-C drive conversion chip, and the expansion interface board 33 is provided with an HDMI terminal, a USB-C terminal and a USB-A terminal.
Further, the receiving module includes a millimeter wave receiving board 61, a signal receiving processing board 62, and an expansion interface board 33; the millimeter wave receiving board 61 is provided with a millimeter wave receiving module, the signal receiving processing board 62 is provided with an MCU chip and an HDMI bridge chip, and the expansion interface board 33 is provided with a terminal including but not limited to an HDMI terminal, a USB-C terminal and a USB-A terminal.
Further, the unlimited screen projection device further comprises a base 7, and the base 7 can be in a cuboid, a cube, a hemisphere, a cone and the like.
Furthermore, the base 7 is rotatably connected with the first middle frame 4 or the second middle frame 40, in the scheme, through a stainless steel damping rotating shaft 10, stainless steel sheets are respectively fixed on the upper part and the lower part of the rotating shaft, the stainless steel sheets and the rotating shaft are integrally formed, through holes 44 are formed in the surfaces of the stainless steel sheets, the first stainless steel sheets are inserted into the first middle frame 4, screw holes 42 matched with the through holes 44 are formed in the first middle frame 4, grooves 43 are formed in the upper end face of the base 7, screw holes 42 are formed in the grooves 43, and the second stainless steel sheets are attached to the grooves 43 in the surface of the base 7, so that the stainless steel sheets are fixed in the first middle frame 4 and the base 7 through machine-tooth screws, and the rotation between the first middle frame 4 and the base 7 is realized; the rotational connection may also be a hinge.
Further, the lower terminal surface of base 7 still is provided with silica gel pad 8 or slipmat, can be connected base 7 and silica gel pad 8 or slipmat through glue, base 7 material is zinc alloy, also can be aluminum alloy, heavy iron etc..
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. A wireless screen projection device comprises a transmitter and a receiver, and is characterized in that,
the emitter comprises a first front shell assembly, a first heat dissipation assembly, an emission module, a first middle frame and a first rear shell assembly, wherein the first front shell assembly is fixedly connected with the first rear shell assembly;
the receiver comprises a second front shell assembly, a second heat dissipation assembly, a receiving module, a second middle frame and a second rear shell assembly, wherein the second front shell assembly is fixedly connected with the second rear shell assembly, the second heat dissipation assembly is located in the surrounding of the second front shell assembly and the second middle frame, the receiving module is located in the surrounding of the second front shell assembly and the second rear shell assembly, and the receiving module is fixed with the second middle frame through screws.
2. The wireless screen projection device of claim 1, wherein the first front housing assembly comprises a tempered glass, a front housing, a light-diffusing film and a glass back adhesive, the tempered glass is fixedly connected with the front housing through the glass back adhesive, and the light-diffusing film is fixed on the front housing.
3. The wireless screen projection device as claimed in claim 2, wherein the front housing is provided with a hook extending toward the first middle frame, a light hole is further provided on a surface of the front housing, and the front housing and the light-diffusing film are provided with windows at the same position.
4. The wireless screen projection device according to claim 1, wherein the first heat dissipation assembly comprises a heat dissipation bracket, heat-conducting silica gel and a fan, the heat dissipation bracket is fixed on the first middle frame through screws, notches are formed in the heat dissipation bracket, the heat-conducting silica gel is adhered to the transmitting module and the receiving module, and the fan is fixed on the first rear housing assembly and electrically connected with the transmitting module.
5. The wireless screen projection device as claimed in claim 1, wherein the first middle frame is provided with a screw post, a screw hole, a groove and a through hole.
6. The wireless screen projection device as claimed in claim 1, wherein the first rear housing assembly comprises a rear housing and a key, the surface of the rear housing is provided with a plurality of expansion openings and ventilation holes, and the rear housing is provided with a buckle extending towards the first middle frame.
7. The wireless screen projection device according to claim 1, wherein the transmitting module comprises a millimeter wave transmitting board, a signal transmitting processing board and an expansion interface board, and the receiving module comprises a millimeter wave receiving board, a signal receiving processing board and an expansion interface board.
8. The wireless screen projection device of any one of claims 1-7, further comprising a base.
9. The wireless screen projection device as claimed in claim 8, wherein the base is rotatably connected to the first middle frame.
10. The wireless screen projection device according to claim 9, wherein a silica gel pad is further fixedly arranged on the lower end surface of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120843350.XU CN215072563U (en) | 2021-04-23 | 2021-04-23 | Wireless screen projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120843350.XU CN215072563U (en) | 2021-04-23 | 2021-04-23 | Wireless screen projection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215072563U true CN215072563U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120843350.XU Active CN215072563U (en) | 2021-04-23 | 2021-04-23 | Wireless screen projection device |
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| Country | Link |
|---|---|
| CN (1) | CN215072563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117572938A (en) * | 2024-01-16 | 2024-02-20 | 深圳市欣博跃电子有限公司 | Multifunctional wireless screen-throwing docking station |
-
2021
- 2021-04-23 CN CN202120843350.XU patent/CN215072563U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117572938A (en) * | 2024-01-16 | 2024-02-20 | 深圳市欣博跃电子有限公司 | Multifunctional wireless screen-throwing docking station |
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