CN206226636U - A kind of all-in-one with wireless screen transmission function - Google Patents
A kind of all-in-one with wireless screen transmission function Download PDFInfo
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- CN206226636U CN206226636U CN201621240183.5U CN201621240183U CN206226636U CN 206226636 U CN206226636 U CN 206226636U CN 201621240183 U CN201621240183 U CN 201621240183U CN 206226636 U CN206226636 U CN 206226636U
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- receiving module
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Abstract
The utility model discloses a kind of all-in-one with wireless screen transmission function, including all-in-one body, wireless transmission box, external computer, the all-in-one includes CPU processor, wireless receiving module, liquid crystal display；Wherein, audio-video signal is transferred to the wireless transmission box being connected with external computer by usb data interface for the external computer；The wireless receiving module receives the wireless audio and video signal sent from wireless transmission box, and the CPU processor that wireless audio and video signal transmission gives wireless receiving module connection is processed；The CPU processor is connected with liquid crystal display, and the audio-video signal after CPU processor is processed is transferred to liquid crystal display；The liquid crystal display shows the audio frequency and video picture of external computer.The utility model solves the operation inconvenience for being brought using wired biography screen in the prior art, saves wiring, improves and passes screen speed, improves Consumer's Experience effect.
Description
Technical field
The utility model is related to all-in-one field, more particularly to a kind of all-in-one with wireless screen transmission function.
Background technology
Now with continuing to develop for wireless technology, liquid crystal technology and intelligence system, display device is just towards " large scale
Change ", " wireless penetration ", " Qinghua high ", " networking ", " intellectuality " are continued to develop, and will certainly cause reshuffling for Related product
Integrate.Possessing the display device of simple function cannot much meet the demand of people's live and work, interactive, big chi
Very little, intelligent and wireless penetration wireless screen transmission intelligent integrated machine inherently turns into popular first-selection.
Existing high-definition multimedia signal transmission by the way of wired, borrows the interfaces such as HDMI, VGA to complete to regard mostly
The transmission of frequency；The deficiency of wire transmission is cable arrangement, plug and using being made troubles in space, distance.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of with wireless screen transmission function
All-in-one, wirelessly realizes passing screen, improves flexibility and the convenience of operation.
The purpose of this utility model is realized using following technical scheme：
A kind of all-in-one with wireless screen transmission function, it includes all-in-one body, wireless transmission box, external computer,
The all-in-one includes CPU processor, wireless receiving module, liquid crystal display；Wherein, the external computer passes through usb data interface
Audio-video signal is transferred to the wireless transmission box being connected with external computer；The wireless receiving module is received from wireless hair
The wireless audio and video signal for sending box to send, and wireless audio and video signal transmission is given at the CPU of wireless receiving module connection
Reason device is processed；The CPU processor is connected with liquid crystal display, the audio-video signal transmission after CPU processor is processed
To liquid crystal display；The liquid crystal display shows the audio frequency and video picture of external computer.
Preferably, the wireless receiving module and CPU processor are arranged on drive circuit board.
Preferably, the wireless receiving module includes RF receiving circuits, impedance matching circuit, USB wireless modules, resistance
R626, resistance R644, electric capacity C014, electric capacity C015, inductance L025；The impedance matching circuit includes pi type filter and high frequency
Coupled capacitor, the RF ends of the RF receiving circuits are connected by pi type filter with coupling capacitance；The impedance matching circuit
The other end be electrically connected with the input ANT of USB wireless modules；The first data-interface on the USB wireless modules is by string
One resistance R626 of connection is connected with the input interface of CPU processor first, and the second data-interface on the USB wireless modules leads to
One resistance R644 of series connection is crossed to be connected with the input interface of CPU processor second；GND and RFGND on the USB wireless modules
Two-terminal-grounding；The power end of the USB wireless modules is by inductance L025 and 3.3V power electric connections, the electric capacity C014, electricity
Hold C015 parallel connections to be bridged between the power end of the USB wireless modules and inductance L025, the electric capacity C014, electric capacity C015 are another
One end is grounded.
Preferably, the wireless receiving module is 5G radio receiving transmitting modules.
Compared to existing technology, the beneficial effects of the utility model are at least as follows：The audio-video signal of external equipment can be passed through
Wireless receiving module is sent to CPU processor and is processed, and audio frequency and video picture is shown by liquid crystal display, so as to solve existing skill
The operation inconvenience brought using wired biography screen in art, saves wiring, improves and passes screen speed, improves Consumer's Experience effect.
Brief description of the drawings
Fig. 1 has the structural representation of the all-in-one of wireless screen transmission function for the utility model；
Fig. 2 is the circuit diagram of the utility model wireless receiving module.
Specific embodiment
Below, with reference to accompanying drawing and specific embodiment, the utility model is described further：
Fig. 1 to Fig. 2 is referred to, the utility model is related to a kind of all-in-one with wireless screen transmission function, including all-in-one
Body 3, wireless transmission box 2, external computer 1, the all-in-one include CPU processor 33, wireless receiving module 32, liquid crystal display
34；Wherein, audio-video signal is transferred to the wireless transmission box being connected with external computer 1 by usb data interface for external computer 1
Son 2；When wireless receiving module 32 receives the wireless audio and video signal that wireless transmission box 2 sends, and the wireless audio and video is believed
Number being transferred to the CPU processor 33 being connected with wireless receiving module 32 is processed；CPU processor 33 is connected with liquid crystal display 34
Connect, the audio-video signal after CPU processor 33 is processed is transferred to liquid crystal display 34；Liquid crystal display 34 shows the sound of external computer 1
Video pictures.In the present embodiment, CPU processor 33 is decoded to audio, video data.
In order to reach superior technique effect, in the present embodiment, wireless receiving module is 5G radio receiving transmitting modules；Wirelessly
Receiver module 32 and CPU processor 33 are arranged on drive circuit board 31.Drive circuit board is from the wireless of each external computer
Signal is managed, and when the button for pressing some wireless transmission box, trigger request sending signal, drive circuit mainboard passes through
After external request signal, the external computer picture is just transferred to drive circuit master with audio-video signal by wireless transmission box
Display is driven on plate.
In order to reach superior technique effect, in the present embodiment, wireless receiving module 32 includes RF receiving circuits 4, resistance
Anti- match circuit 5, USB wireless modules 6, resistance R626, resistance R644, electric capacity C014, electric capacity C015, inductance L025, the impedance
Match circuit 5 includes pi type filter 51 and coupling capacitance C013, and the RF ends of the RF receiving circuits pass through pi type filter
It is connected with coupling capacitance C013；The other end of the impedance matching circuit 5 and the electric phases of the input ANT of USB wireless modules 6
Even.Pi type filter is made up of electric capacity C024, electric capacity C023 and inductance L018；Wherein, the inductance value of inductance L018 can be
The capacitance of 2.7nH, electric capacity C024 can be 1.0pF, and the capacitance of electric capacity C023 can be 1.2pF, and the filtering bandwidth is
5GHz, i.e. the pi type filter filter circuit are a low pass filter；Pi type filter can both increase the gain of antenna, reduce letter
Number reflectance factor, can realize receiving and sending the filtering of wireless signal again；Coupling capacitance C013 makes an uproar for reducing antenna
Influence of the sound to RF receiving circuits；The first data-interface on USB wireless modules 6 by connect a build-out resistor R626 with
The input interface of CPU processor 33 first is connected, and the second data-interface on USB wireless modules 6 is by a matching electricity of connecting
Resistance R644 is connected with the input interface of CPU processor 33 second；GND and RFGND two-terminal-groundings on USB wireless modules 6；USB
By inductance L025 and 3.3V power electric connections, electric capacity C014, electric capacity C015 parallel connections are bridged on the power end 3 of wireless module 6
Between the power end 3 and inductance L025 of USB wireless modules 6, electric capacity C014, electric capacity C015 other ends ground connection.In the present embodiment,
Resistance R626 and resistance R644 are mainly used to impedance matching, suppress Signal Terminal reflection.The capacitance of electric capacity C014 is 0.1UF,
The capacitance of electric capacity C015 is that 2.2uF, electric capacity C014 and inductance L025 constitute a LC wave filter, can filter high-frequency noise,
Than larger, high-frequency signal can not pass through electric capacity C015 induction reactance.
The utility model increases a wireless receiving module in all-in-one, and wireless receiving module is wirelessly transferred skill using 5G
Art, after each external computer insertion USB in certain area is wirelessly transferred box, the wireless receiving module in all-in-one is detected
The USB wireless signals of the external computer of correspondence, after connection is set up, the screen-picture of external computer can be sent with video format signal
To in all-in-one, all-in-one receiver module receives signal, and external electricity is shown on all-in-one by feeding back to main video-stream processor
Brain screen-picture.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection of the utility model claim
Within the scope of.
Claims (4)
1. a kind of all-in-one with wireless screen transmission function, it is characterised in that including all-in-one body, wireless transmission box, outer
Computer is put, the all-in-one includes CPU processor, wireless receiving module, liquid crystal display；Wherein, the external computer passes through USB numbers
Audio-video signal is transferred to the wireless transmission box being connected with external computer according to interface；The wireless receiving module is received and come from
The wireless audio and video signal that wireless transmission box sends, and wireless audio and video signal transmission is given into wireless receiving module connection
CPU processor is processed；The CPU processor is connected with liquid crystal display, the audio-video signal after CPU processor is processed
It is transferred to liquid crystal display；The liquid crystal display shows the audio frequency and video picture of external computer.
2. the all-in-one with wireless screen transmission function according to claim 1, it is characterised in that the wireless receiving module
It is arranged on drive circuit board with CPU processor.
3. the all-in-one with wireless screen transmission function according to claim 1, it is characterised in that the wireless receiving module
Including RF receiving circuits, impedance matching circuit, USB wireless modules, resistance R626, resistance R644, electric capacity C014, electric capacity C015,
Inductance L025；The impedance matching circuit includes pi type filter and coupling capacitance, and the RF ends of the RF receiving circuits pass through
Pi type filter is connected with coupling capacitance；The other end of the impedance matching circuit and the input ANT of USB wireless modules
It is electrically connected；The first data-interface on the USB wireless modules is input into by the resistance R626 that connects with CPU processor first
Interface is connected, and the second data-interface on the USB wireless modules is by a resistance R644 and the CPU processor second of connecting
Input interface is connected；GND and RFGND two-terminal-groundings on the USB wireless modules；The power end of the USB wireless modules
By inductance L025 and 3.3V power electric connections, the electric capacity C014, electric capacity C015 parallel connections are bridged on the USB wireless modules
Between power end and inductance L025, the electric capacity C014, electric capacity C015 other ends ground connection.
4. the all-in-one with wireless screen transmission function according to claim 1, it is characterised in that the wireless receiving module
It is 5G radio receiving transmitting modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621240183.5U CN206226636U (en) | 2016-11-18 | 2016-11-18 | A kind of all-in-one with wireless screen transmission function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621240183.5U CN206226636U (en) | 2016-11-18 | 2016-11-18 | A kind of all-in-one with wireless screen transmission function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206226636U true CN206226636U (en) | 2017-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621240183.5U Active CN206226636U (en) | 2016-11-18 | 2016-11-18 | A kind of all-in-one with wireless screen transmission function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206226636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107493484A (en) * | 2017-08-18 | 2017-12-19 | 三星电子（中国）研发中心 | System, method and apparatus for projection screen |
-
2016
- 2016-11-18 CN CN201621240183.5U patent/CN206226636U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107493484A (en) * | 2017-08-18 | 2017-12-19 | 三星电子（中国）研发中心 | System, method and apparatus for projection screen |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210812 Address after: 511400 Room 302, building 16, Tian'an headquarters center, No. 555, North Panyu Avenue, Donghuan street, Panyu District, Guangzhou City, Guangdong Province Patentee after: GUANGZHOU CREATEVIEW OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 511430 809, Tian'an science and technology innovation building, Panyu energy saving science and Technology Park, No. 555, Panyu Avenue North, Panyu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU DAZZLE WISDOM ELECTRONICS Co.,Ltd. |