CN108924524A - A kind of projector based on mobile network - Google Patents
A kind of projector based on mobile network Download PDFInfo
- Publication number
- CN108924524A CN108924524A CN201811107400.7A CN201811107400A CN108924524A CN 108924524 A CN108924524 A CN 108924524A CN 201811107400 A CN201811107400 A CN 201811107400A CN 108924524 A CN108924524 A CN 108924524A
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- unit
- mobile network
- processing unit
- central processing
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- 238000013442 quality metrics Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
Abstract
The invention discloses a kind of projectors based on mobile network, including central processing unit, projecting cell, mobile network's Transmit Receive Unit and main control unit, the main control unit is connect with the central processing unit, the projecting cell is connect with the central processing unit, and the central processing unit is connect with mobile network's Transmit Receive Unit.The present invention receives audio-video signal by mobile network's Transmit Receive Unit, without obtaining vision signal by way of interface links, overcomes the problem of conventional projector needs frequently plug video source device, more convenient to use, portable.
Description
Technical field
The present invention relates to the communications fields, specifically, being related to a kind of projector based on mobile network.
Background technique
Projector, also known as projector are a kind of equipment that can be projected image or video on curtain, existing projection
Instrument is generally connected by the different same computers of interface (USB interface, HDMI interface etc.), storage equipment, game machine, DV etc.,
To play corresponding vision signal, however its each use will plug input video source, inconvenient for use.
For this reason, it is necessary to a kind of equipment be invented, to solve the above problems.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to provide a kind of a kind of projector based on mobile network that vision signal is received by mobile network.
The technical scheme adopted by the invention is that：
A kind of projector based on mobile network, including central processing unit, projecting cell, mobile network's radio-frequency receiving-transmitting list
Member and main control unit, the main control unit connect with the central processing unit, the input terminal of the projecting cell with it is described in
The output end unit connection of Central Processing Unit connection, the central processing unit and mobile network's Transmit Receive Unit connect
It connects.
Preferably, a kind of projector based on mobile network further includes audio power amplifier unit, the audio power amplifier unit
Input terminal is separately connected the output end of the main control unit and the output end of central processing unit.
Preferably, a kind of projector based on mobile network further includes the first power management module, the first power supply pipe
The output end of reason module is separately connected the central processing unit, projecting cell, mobile network's Transmit Receive Unit and master control list
The input terminal of member.
Preferably, a kind of projector based on mobile network further includes radio-cell, the radio-cell and the center
Processing unit connection, the radio-cell includes Beidou module and/or GLONASS module and/or GPS module and/or WiFi mould
Block and/or bluetooth module.
Preferably, a kind of projecting cell of the projector based on mobile network includes Video Quality Metric unit, video processing list
Member, digitial controller and ray machine, the input terminal of the Video Quality Metric unit connects the output end of the central processing unit, described
The output end of Video Quality Metric unit connects the input terminal of the video processing unit, the output end connection of the video processing unit
The input terminal of the digitial controller, the output end of the digitial controller connect the input terminal of the ray machine.
Preferably, projecting cell further includes second source administrative unit, the second source administrative unit and the number
Controller connection.
Preferably, the Video Quality Metric unit is connect by way of the direct line of HDMI with the video processing unit.
Preferably, a kind of projector based on mobile network further includes communication unit, the communication unit and the center
Processing unit connection, is used for voice and video telephone or audio/video conference.
Preferably, a kind of projector based on mobile network further includes communication unit, further includes storage unit, the storage
Unit is connect with the central processing unit.
The beneficial effects of the invention are as follows：The invention discloses a kind of projectors based on mobile network, including central processing
Unit, projecting cell, mobile network's Transmit Receive Unit and main control unit receive sound view by mobile network's Transmit Receive Unit
Frequency signal carries out picture to vision signal by projecting cell and shows that overcoming conventional projector can only be by interface links
Mode obtains vision signal, needs the problem of frequently plugging video source device, more convenient to use, portable.
Simultaneously the present invention be also integrated with audio power amplifier unit, overcome conventional projector can only magnifying video image and can not
The problem of amplifying voice signal, equipment is more integrated.
Detailed description of the invention
Fig. 1 is a kind of projector specific embodiment structure principle chart based on mobile network of the present invention.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
As shown in Figure 1, a kind of projector based on mobile network, including central processing unit, projecting cell, mobile network
Transmit Receive Unit and main control unit, the main control unit are connect with the central processing unit, the projecting cell with it is described
Central processing unit connection, the central processing unit are connect with mobile network's Transmit Receive Unit.
Main control unit can be used STM32 family chip, and when standby mode, main control unit is in normal open state, master control list
Member receives infrared signal, wakes up central processing unit, and main control unit and central processing unit are communicated by serial ports UART, mobile network
Network Transmit Receive Unit receives vision signal by mobile network, and central processing unit will be at the received vision signal of mobile network
It is sent to projecting cell after reason to show, without passing through USB or HDMI interface connection storage equipment reception view as traditional projector
Frequency signal, so that a kind of use of projector based on mobile network is more efficient, convenient.
In the present embodiment, a kind of projector based on mobile network further includes audio power amplifier unit, the audio frequency power amplifier list
The input terminal of member is separately connected the output end of the main control unit and the output end of central processing unit.Audio power amplifier unit can be adopted
With NTP8204 chip, I2C bus can be used with main control unit and connect, main control unit sends control signal to audio power amplifier unit,
Audio power amplifier unit is connect with central processing unit by I2S bus, and central processing unit sends audio to audio power amplifier unit
Signal.The present invention is integrated with audio power amplifier unit, is not necessarily to external source of sound, equipment is more integrated, easy to use.
In the present embodiment, the projector based on mobile network further includes the first power management module (not shown), electricity
The output end of source control module is separately connected the defeated of the central processing unit, mobile network's Transmit Receive Unit and main control unit
Enter end.MT6357 power supply processing chip can be used in power management module, is other module for power supply.
In the present embodiment, the projector based on mobile network further includes radio-cell, the radio-cell and the center
Processing unit connection, the radio-cell includes Beidou module and/or GLONASS module and/or GPS module and/or WiFi mould
Block and/or bluetooth module.Baffle Box of Bluetooth can be connected by bluetooth module, internet can access by WiFi module, save flow
Expense, can be to terminal positioning, wireless interface abundant, in order to the function in later period by Beidou module and/or GLONASS module
It can extension.
In the present embodiment, the projecting cell of the projector based on mobile network includes Video Quality Metric unit, video processing list
Member, digitial controller and ray machine, the input terminal of the Video Quality Metric unit connects the output end of the central processing unit, described
The output end of Video Quality Metric unit connects the input terminal of the video processing unit, the output end connection of the video processing unit
The input terminal of the digitial controller, the output end of the digitial controller connect the input terminal of the ray machine.
LT8912 cake core can be used in Video Quality Metric unit, the video for the MIPI interface format that central processing unit is sent
Signal is converted to HDMI interface format video signal, and V56 cake core can be used in video processing unit, and the HDMI signal of input is turned
It changes rgb signal into and is sent to digitial controller, DLP3435 cake core can be used in digitial controller, for supporting digital micro-mirror to fill
The reliable operating for setting (DMD), realize low profile low-power consumption display application, digitial controller consumer electronic devices with
One convenient multi-functional energy interface is provided among DMD, rgb signal is converted into LVDS signal, inputs to DMD.Video processing
Unit also can receive the vision signal sent back from HDMI interface, and video processing unit passes through I2S bus to central processing list
Member sends signal, and central processing unit sends signal to video processing unit by UART bus.
Video Quality Metric unit is connect with the video processing unit by HDMI wire, and direct line is used on mounting process
Mode, rather than traditional HDMI socket grafting allows equipment more frivolous.
Projecting cell further includes second source administrative unit, and the second source administrative unit and the digitial controller connect
It connects.
PAD3000 power management chip can be used in second source administrative unit, logical with digitial controller DLP3435 cake core
Spi bus connection is crossed, is that digitial controller and DMD power, improves power supply efficiency.
A kind of projector based on mobile network further includes communication unit in the present embodiment, the communication unit and it is described in
Central Processing Unit connection, is used for voice and video telephone or audio/video conference.
A kind of projector based on mobile network is small in size, light-weight in the present embodiment, and has communication unit, very suitable
In the environment of closing operation outdoors, video conference is participated in.
A kind of projector based on mobile network further includes storage unit in the present embodiment, the storage unit and it is described in
Central Processing Unit connection.Video file can be stored in the machine by a kind of projector based on mobile network in advance, be broadcast when needing
It puts.
The invention proposes a kind of projector based on mobile network have it is small in size, light-weight, mobile network can be passed through
Vision signal is received, and supports to dial voice and video telephone, video conference, conventional projector is overcome and needs frequent grafting video source
The shortcomings that, it can be widely applied to mobile or Outdoor Scene.
It is to be illustrated to preferable implementation of the invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (9)
1. a kind of projector based on mobile network, which is characterized in that including central processing unit, projecting cell, mobile network
Transmit Receive Unit and main control unit, the main control unit are connect with the central processing unit, the projecting cell with it is described
Central processing unit connection, the central processing unit are connect with mobile network's Transmit Receive Unit.
2. a kind of projector based on mobile network according to claim 1, which is characterized in that further include audio frequency power amplifier list
Member, the input terminal of the audio power amplifier unit are separately connected the output end of the main control unit and the output of central processing unit
End.
3. a kind of projector based on mobile network according to claim 1 or 2, which is characterized in that further include the first electricity
Source control module, the output end of first power management module are separately connected the central processing unit, mobile network's radio frequency
The input terminal of Transmit-Receive Unit and main control unit.
4. a kind of projector based on mobile network according to claim 1, which is characterized in that it further include radio-cell,
The radio-cell is connect with the central processing unit, and the radio-cell includes Beidou module and/or GLONASS module
And/or GPS module and/or WiFi module and/or bluetooth module.
5. a kind of projector based on mobile network according to claim 1, which is characterized in that the projecting cell includes
The input terminal of Video Quality Metric unit, video processing unit, digitial controller and ray machine, the Video Quality Metric unit connects in described
The output end of the output end of Central Processing Unit, the Video Quality Metric unit connects the input terminal of the video processing unit, described
The output end of video processing unit connects the input terminal of the digitial controller, described in the output end connection of the digitial controller
The input terminal of ray machine.
6. a kind of projector based on mobile network according to claim 5, which is characterized in that the projecting cell also wraps
Second source administrative unit is included, the second source administrative unit is connect with the digitial controller.
7. a kind of projector based on mobile network according to claim 5 or 6, which is characterized in that the Video Quality Metric
Unit is connect by way of the direct line of HDMI with the video processing unit.
8. a kind of projector based on mobile network according to claim 1, further includes communication unit, the communication unit
It is connect with the central processing unit, is used for voice and video telephone or audio/video conference.
9. a kind of projector based on mobile network according to claim 1 or 2, which is characterized in that further include that storage is single
Member, the storage unit are connect with the central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811107400.7A CN108924524B (en) | 2018-09-21 | 2018-09-21 | Projector based on mobile network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811107400.7A CN108924524B (en) | 2018-09-21 | 2018-09-21 | Projector based on mobile network |
Publications (2)
| Publication Number | Publication Date |
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| CN108924524A true CN108924524A (en) | 2018-11-30 |
| CN108924524B CN108924524B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811107400.7A Active CN108924524B (en) | 2018-09-21 | 2018-09-21 | Projector based on mobile network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020151085A1 (en) * | 2019-01-27 | 2020-07-30 | 上海阳霖文化传媒发展有限公司 | Outdoor automatic advertising all-in-one machine |
| CN114584749A (en) * | 2022-03-17 | 2022-06-03 | 宏立信（厦门）科技有限公司 | Projection equipment and projection control method |
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| CN114584749A (en) * | 2022-03-17 | 2022-06-03 | 宏立信（厦门）科技有限公司 | Projection equipment and projection control method |
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| Publication number | Publication date |
|---|---|
| CN108924524B (en) | 2024-04-02 |
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