CN207399421U - The vehicle carried mobile phone interacted system of controllable display frame rate - Google Patents
The vehicle carried mobile phone interacted system of controllable display frame rate Download PDFInfo
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- CN207399421U CN207399421U CN201721226788.3U CN201721226788U CN207399421U CN 207399421 U CN207399421 U CN 207399421U CN 201721226788 U CN201721226788 U CN 201721226788U CN 207399421 U CN207399421 U CN 207399421U
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- mobile phone
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- 238000005516 engineering process Methods 0.000 description 2
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Abstract
The utility model discloses a kind of vehicle carried mobile phone interacted systems of controllable display frame rate, including smart mobile phone and vehicle-mounted multimedia equipment, the smart mobile phone includes first microprocessor, frame per second control register and encoder, and the vehicle-mounted multimedia equipment includes the second microprocessor, display screen, decoder, image scaling device and communication module；The first microprocessor is electrically connected respectively with frame per second control register and encoder, frame per second control register is electrically connected with encoder, second microprocessor is electrically connected respectively with display screen, decoder, image scaling device and communication module, decoder is electrically connected with image scaling device, and image scaling device is electrically connected with display screen.The utility model has the advantages that：It is adapted to the display of the in-vehicle multi-media system of various performances；It is few to occupy mobile phone resources, shows vehicle-mounted multimedia equipment smooth during video, improves user experience.
Description
Technical field
The utility model is related to technical field of automotive electronics, more particularly, to one kind vehicle-mounted multimedia equipment are made to show video
It is more smooth, it is played simultaneously with mobile video, it is no-delay, occupy the vehicle carried mobile phone interconnection of the few controllable display frame rate of mobile phone resources
System.
Background technology
With apple, the birth of Android, WindowsPhone smart mobile phones so that mobile phone industry has occurred earth-shaking
It changes, also revolutionizes the life of the mankind, people do not have been detached from the dependence to mobile phone.Existing many industries are being set
Meter can carry out interactive equipment with mobile phone.At present, in order to realize by vehicle-mounted multimedia equipment realize smart mobile phone powerful work(
Can, mobile phone interconnection intelligence system also generates therewith.With the development of science and technology, the speed that smart mobile phone updates is getting faster,
Hardware performance is also higher and higher, and vehicle-mounted multimedia equipment is for reasons of cost, the requirement of stability, security etc., can not be with
The speed that upper mobile phone hardware performance is promoted, can cause if mobile phone is streaming to vehicle-mounted multimedia equipment with the video of higher frame per second
Vehicle-mounted multimedia equipment processing does not come, asynchronous with mobile phone in display, there is delay or Caton phenomenon.
At present, most of vehicle carried mobile phone interacted system gathers mobile phone picture using the method for continuous screenshotss, further according to suitable
The parameters such as resolution ratio, coded format send video frame to encoder, be transferred to by the wired or wireless communication of mobile phone interconnecting
The decoder of vehicle-mounted multimedia equipment is exported after decoding to display screen.There are many drawbacks for this method：First, if mobile phone
Picture infrequently changes, and also using the method for continuous screenshotss, can cause the great expense incurred of resource, it is possible to drag the reaction of slow mobile phone
Phenomena such as speed or even appearance show interim card, cell-phone heating, fast power consumption；Second, due to ceaselessly screenshotss, processing largely to count
According to periodic operating time can not reduce, and can cause frame per second that can not promote faster level.
Utility model content
The utility model largely occupies mobile phone resources in the prior art in order to overcome, and the deficiency that frame per second can not be promoted proposes
One kind makes vehicle-mounted multimedia equipment show that video is more smooth, is played simultaneously with mobile video, no-delay, and it is few to occupy mobile phone resources
Controllable display frame rate vehicle carried mobile phone interacted system.
To achieve these goals, the utility model employs following technical scheme：
A kind of vehicle carried mobile phone interacted system of controllable display frame rate, including smart mobile phone and vehicle-mounted multimedia equipment, institute
Stating smart mobile phone includes first microprocessor, frame per second control register and encoder, and the vehicle-mounted multimedia equipment includes second
Microprocessor, display screen, decoder, image scaling device and communication module；The first microprocessor controls respectively with frame per second
Register and encoder electrical connection, frame per second control register is electrically connected with encoder, second microprocessor respectively with display
Screen, decoder, image scaling device and communication module electrical connection, decoder are electrically connected with image scaling device, image scaling dress
It puts and is electrically connected with display screen, the smart mobile phone is connected by cable network or wireless network with communication module.
The utility model realizes the interconnection of vehicle-mounted multimedia equipment and smart mobile phone by communication module, and smart mobile phone passes through
First communication port receives the parameter that vehicle-mounted multimedia equipment is sent, and then utilizes first microprocessor, frame per second control register
It is handled with encoder, sends the video frame of appropriate intervals, ensureing the display screen of vehicle-mounted multimedia equipment, show will not
There is the phenomenon that picture interim card, delay.
Preferably, image scaling device includes N number of input buffer, N number of image processor and N number of output state；
Each input buffer, each image processor and each output state are electrically connected with the second microprocessor, each input
Buffer is electrically connected with decoder, and each input buffer is electrically connected with corresponding image processor, each image processor
It is electrically connected with corresponding output state, each output state is electrically connected with display screen.
Preferably, image scaling device further includes to dispatch the write-in order that picture signal is write in input buffer
Input scheduling module；Input scheduling module is electrically connected respectively with decoder and each input buffer.
Preferably, image processor is DSP digital signal processor.
Preferably, communication module includes bluetooth module, Wi-Fi module and usb interface module；Smart mobile phone passes through bluetooth
Module, Wi-Fi module or usb interface module are connected with vehicle-mounted multimedia equipment.
Preferably, further include to connect the first of the encoder of smart mobile phone and the decoder of vehicle-mounted multimedia equipment
Communication port.
Therefore, the utility model has the advantages that：（1）Smart mobile phone is received vehicle-mounted more by the first communication port
The parameter that media device is sent, allows smart mobile phone to automatically control display frame according to the height of vehicle-mounted multimedia equipment performance
Rate, so as to be adapted to the display of the vehicle-mounted multimedia equipment of various performances；（2）Utilize frame per second control register and image scaling device
It is handled, occupancy mobile phone resources are few, and processing speed is fast, show vehicle-mounted multimedia equipment smooth during video, are not in picture
The phenomenon that face interim card, delay, improve user experience.
Description of the drawings
Fig. 1 is a kind of system block diagram of the utility model；
Fig. 2 is a kind of structure diagram of image scaling device.
In figure：Smart mobile phone 1, vehicle-mounted multimedia equipment 2, the first communication port 3, first microprocessor 11, frame per second control
Register 12, encoder 13, the second microprocessor 21, display screen 22, decoder 23, image scaling device 24, communication module 25,
Input buffer 241, image processor 242, output state 243, input scheduling module 244, bluetooth module 251, Wi-Fi moulds
Block 252, usb interface module 253.
Specific embodiment
The utility model is described further with specific embodiment below in conjunction with the accompanying drawings：
Embodiment as shown in Figure 1 is a kind of vehicle carried mobile phone interacted system of controllable display frame rate, including smart mobile phone 1
With vehicle-mounted multimedia equipment 2, the smart mobile phone includes first microprocessor 11, frame per second control register 12 and encoder 13,
The vehicle-mounted multimedia equipment includes the second microprocessor 21, display screen 22, decoder 23, image scaling device 24 and communication mould
Block 25；The first microprocessor is electrically connected respectively with frame per second control register and encoder, frame per second control register and coding
Device is electrically connected, and second microprocessor is electrically connected respectively with display screen, decoder, image scaling device and communication module, is solved
Code device is electrically connected with image scaling device, and image scaling device is electrically connected with display screen, and the smart mobile phone passes through cable network
Or wireless network is connected with communication module.
Wherein, communication module includes bluetooth module 251, Wi-Fi module 252 and usb interface module 253, and smart mobile phone leads to
Bluetooth module, Wi-Fi module or usb interface module is crossed to be connected with vehicle-mounted multimedia equipment；In addition, it further includes to connect intelligence
First communication port 3 of the encoder of mobile phone and the decoder of vehicle-mounted multimedia equipment.
Delay as shown in Fig. 2, image scaling device includes 4 image processor 242,4 of input buffer 241,4 outputs
Storage 243 and the input scheduling module 244 for dispatching the write-in order that picture signal is write in input buffer；Each input
Buffer, each image processor and each output state are electrically connected with the second microprocessor, and each input buffer is equal
Be electrically connected with decoder, each input buffer is electrically connected with corresponding image processor, each image processor with it is corresponding
Output state is electrically connected, and each output state be electrically connected with display screen, and input scheduling module is respectively with decoder and respectively
A input buffer electrical connection.Wherein, image processor is DSP digital signal processor.
The course of work of the utility model is as follows：
（1）Vehicle-mounted multimedia equipment is attached with smart mobile phone by Wi-Fi module；
（2）The application layer of smart mobile phone establishes the first communication port, and the first communication port creates TCP/IP connections；
（3）When vehicle-mounted multimedia equipment is connected with smart mobile phone, smart mobile phone receives what above-mentioned first communication port transmitted
The display parameters and performance parameter of vehicle-mounted multimedia equipment, and compared with the parameter of mobile phone, after calculation process, it is suitable to obtain
Frame per second, resolution ratio, code check, coded format and key frame interval time.
（4）The first microprocessor and frame rate controller of smart mobile phone were calculated according to suitable display frame rate between the time
Every, and the time tranfer video frame of the time interval according to calculating.
（5）Encoder passes through first with suitable resolution ratio, code check, coded format and key frame interval time encoding
Communication port transfers are to vehicle-mounted multimedia equipment.
（6）Vehicle-mounted multimedia equipment is first decoded after receiving video frame, then is sent to after image scaling device is handled aobvious
Display screen synchronizes display.
It is to be understood that the present embodiment is merely to illustrate the utility model rather than limitation the scope of the utility model.In addition
It is to be understood that after reading the content taught by the present invention, those skilled in the art can make the utility model various
Change or modification, these equivalent forms also fall within the scope of the appended claims of the present application.
Claims (6)
1. a kind of vehicle carried mobile phone interacted system of controllable display frame rate, including smart mobile phone（1）And vehicle-mounted multimedia equipment
（2）, which is characterized in that the smart mobile phone includes first microprocessor（11）, frame per second control register（12）And encoder
（13）, the vehicle-mounted multimedia equipment include the second microprocessor（21）, display screen（22）, decoder（23）, image scaling dress
It puts（24）And communication module（25）；The first microprocessor is electrically connected respectively with frame per second control register and encoder, frame per second
Control register is electrically connected with encoder, second microprocessor respectively with display screen, decoder, image scaling device and logical
Believe module electrical connection, decoder is electrically connected with image scaling device, and image scaling device is electrically connected with display screen, the intelligence hand
Machine is connected by cable network or wireless network with communication module.
2. the vehicle carried mobile phone interacted system of controllable display frame rate according to claim 1, which is characterized in that described image
Device for zooming includes N number of input buffer（241）, N number of image processor（242）With N number of output state（243）；It is each defeated
Enter buffer, each image processor and each output state to be electrically connected with the second microprocessor, each input buffer
Be electrically connected with decoder, each input buffer is electrically connected with corresponding image processor, each image processor with it is corresponding
Output state electrical connection, each output state is electrically connected with display screen.
3. the vehicle carried mobile phone interacted system of controllable display frame rate according to claim 2, which is characterized in that described image
Device for zooming further includes to dispatch the input scheduling module for the write-in order that picture signal is write in input buffer（244）；
Input scheduling module is electrically connected respectively with decoder and each input buffer.
4. the vehicle carried mobile phone interacted system of controllable display frame rate according to claim 2, which is characterized in that described image
Processor is DSP digital signal processor.
5. the vehicle carried mobile phone interacted system of controllable display frame rate according to claim 1, which is characterized in that communication module
Including bluetooth module（251）, Wi-Fi module（252）And usb interface module（253）；Smart mobile phone passes through bluetooth module, Wi-Fi
Module or usb interface module are connected with vehicle-mounted multimedia equipment.
6. the vehicle carried mobile phone interacted system of the controllable display frame rate according to claim 1 or 2 or 3 or 4 or 5, feature
It is, further includes to connect the first communication port of the decoder of the encoder of smart mobile phone and vehicle-mounted multimedia equipment（3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721226788.3U CN207399421U (en) | 2017-09-21 | 2017-09-21 | The vehicle carried mobile phone interacted system of controllable display frame rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721226788.3U CN207399421U (en) | 2017-09-21 | 2017-09-21 | The vehicle carried mobile phone interacted system of controllable display frame rate |
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| CN207399421U true CN207399421U (en) | 2018-05-22 |
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| CN201721226788.3U Active CN207399421U (en) | 2017-09-21 | 2017-09-21 | The vehicle carried mobile phone interacted system of controllable display frame rate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113766266A (en) * | 2021-09-10 | 2021-12-07 | 阿波罗智联(北京)科技有限公司 | Audio and video processing method, device, equipment and storage medium |
-
2017
- 2017-09-21 CN CN201721226788.3U patent/CN207399421U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113766266A (en) * | 2021-09-10 | 2021-12-07 | 阿波罗智联(北京)科技有限公司 | Audio and video processing method, device, equipment and storage medium |
| CN113766266B (en) * | 2021-09-10 | 2024-02-13 | 阿波罗智联(北京)科技有限公司 | Audio and video processing method, device, equipment and storage medium |
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Effective date of registration: 20240312 Granted publication date: 20180522 |