CN204774934U - Interception of on -vehicle network protocol and editor forward ware - Google Patents
Interception of on -vehicle network protocol and editor forward ware Download PDFInfo
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- CN204774934U CN204774934U CN201520430837.XU CN201520430837U CN204774934U CN 204774934 U CN204774934 U CN 204774934U CN 201520430837 U CN201520430837 U CN 201520430837U CN 204774934 U CN204774934 U CN 204774934U
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Abstract
The utility model provides an interception of on -vehicle network protocol and editor forward ware, it includes microcontroller, it is first, the 2nd CAN transceiver and video switch chip, microcontroller connects automobile CAN -bus network through a CAN transceiver, connect the vehicle display ware through the 2nd CAN transceiver, microcontroller connects the control end of video switch chip, the camera on the car is installed in the video signal input connection of video switch chip, the output is connected to the vehicle display ware. Microcontroller is responsible for tackling vehicle indicator signal and D keeps off the signal, writes into the signal that reverses gear that the vehicle display ware can be accepted again with it, makes the vehicle display ware open the video channel, controls the video switch chip simultaneously and carries out image display with cooperation vehicle display ware. Its advantage is: through installing this device and some cameras additional, just can utilize to have the audio -visual system of car display screen now and carry out many pictures or the same picture image display that drives a vehicle from various visual angles to turning left, turning right, ging forward, richened its function.
Description
Technical field
The utility model relates to a kind of In-vehicle networking protocol blocking and editor's repeater, for having the automobile of reverse image Presentation Function.
Background technology
Most of vehicle sound system of current Fiat, company of Chrysler Group is all equipped with read-out, and these vehicles all can realize reverse image Presentation Function, and the backward gear network signal that read-out needs acquisition vehicle to send just carries out reverse image display.But do not have left and right, front, or get a bird's eye view the sophisticated functions such as display.
Summary of the invention
The purpose of this utility model is to utilize former car read-out, utilizes the procotol of former car simultaneously, reaches and carries out to read-out the effect that human intervention forces display.
According to the technical scheme that the utility model provides, described In-vehicle networking protocol blocking and editor's repeater comprise: microcontroller, the first CAN transceiver, the second CAN transceiver and video switch chip, described microcontroller connects automobile CAN-bus network by the first CAN transceiver, microcontroller connects Vehicular display device by the second CAN transceiver, microcontroller connects the control end that video switches chip, video switches the video signal input terminal connection camera onboard respectively of chip, and the VT that video switches chip is connected to Vehicular display device.
For realizing left-hand rotation image display and right-hand rotation image display, needing to install a left side additional and looking camera depending on camera and the right side, switching chip with described video and be connected.
For realizing forward sight image display, needing to install front-facing camera additional, switching chip with described video and being connected.
If vehicle not yet selects dress reverse image system, need to install backup camera additional, switch chip with described video and be connected.
The utility model has the advantages that: by installing this device and some cameras additional, existing car audio system display just can be utilized left-hand rotation, turn right, carry out many pictures or the display of same picture various visual angles travelling image, enriched its function; Vehicle remoulding adult is low, easy to use.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
The utility model is installed in the middle of vehicle CAN-bus network and car audio system.As shown in Figure 1, the utility model comprises: microcontroller (below for micro controller system), the first CAN transceiver, the second CAN transceiver and video switch chip, described microcontroller connects automobile CAN-bus network by the first CAN transceiver, microcontroller connects the telltale of car audio system by the second CAN transceiver, microcontroller connects the control end that video switches chip, video switches the video signal input terminal connection camera onboard respectively of chip, and the VT of video switching chip is connected to the telltale of car audio system.
Wherein the first CAN transceiver is connected to vehicle end, hereinafter referred to as car end transceiver, be responsible for receiving vehicle network signal, the second CAN transceiver is connected to car audio system end, hereinafter referred to as screen end transceiver, be responsible for the network signal after micro controller system process to send to car audio system.Microcontroller is responsible for interception car steering indicating light signal, D shift signal (or its equivalent signal), these signals is written as again the receptible astern signal of car audio system.The signal that sound equipment is play and other controls then is not carried out processing screen end transceiver of directly letting pass without exception.Microcontroller switches chip to video simultaneously and controls to coordinate read-out to show.
Embodiment one:
The Dodge cruel prestige vehicle of Chrysler Corporation and Fiat's phenanthrene of the Fiat former car of vehicle that jumps is equipped with reverse image, install In-vehicle networking protocol blocking of the present utility model and editor's repeater again additional installing left and right, front-facing camera additional simultaneously, repeater inside uses possesses the videos switching chip that 360 degree get a bird's eye view function, and the video signal input terminal that described video switches chip connects left and right, front-facing camera respectively.
(1) when vehicle enters and reverses gear, the network signal that reverses gear transfers to car end transceiver, and micro controller system does not process this signal, and screen end transceiver of letting pass, screen end transceiver is transferred to read-out again, and read-out opens video channel, waits for that vision signal enters.360 degree of pictures based on picture of moveing backward are flowed to read-out by the chip of Single-chip Controlling video switching simultaneously, complete reverse image and get a bird's eye view display.
(2) when left steering lamp played by vehicle, left steering network signal transfers to car end transceiver, carry out after micro controller system catches this signal tackling, updating into backward gear Signal transmissions to screen end transceiver, screen end transceiver is transferred to read-out again, read-out opens video channel, waits for that vision signal enters.360 degree of pictures based on left side camera display frame are flowed to read-out by the chip of Single-chip Controlling video switching simultaneously, complete left-hand rotation and get a bird's eye view image display.
(3) when right steering lamp played by vehicle, right steering network signal transfers to car end transceiver, carry out after micro controller system catches this signal tackling, updating into backward gear Signal transmissions to screen end transceiver, screen end transceiver is transferred to read-out again, read-out opens video channel, waits for that vision signal enters.360 degree of pictures based on right side camera display frame are flowed to read-out by the chip of Single-chip Controlling video switching simultaneously, complete right-hand rotation and get a bird's eye view image display.
(4) when vehicle gear is from N to D, D backstop network Signal transmissions is to car end transceiver, and carry out after micro controller system catches this signal tackling, updating into backward gear Signal transmissions to screen end transceiver, screen end transceiver is transferred to read-out again, read-out opens video channel, waits for that vision signal enters.360 degree of pictures based on front camera display frame are flowed to read-out by the chip of Single-chip Controlling video switching simultaneously, complete forward sight and get a bird's eye view image display.Forward sight is got a bird's eye view and can be arranged to time-delay closing after 10 seconds.
Embodiment two:
The former car of Jeep large Cherokee vehicle of Chrysler Corporation is equipped with reverse image, install the utility model additional again installing left and right, front-facing camera additional simultaneously, repeater inside uses possesses the videos switching chip that 360 degree get a bird's eye view function, and the video signal input terminal that described video switches chip connects left and right, front-facing camera respectively.
(1) when vehicle enters and reverses gear, the network signal that reverses gear transfers to car end transceiver, and micro controller system does not process this signal, and screen end transceiver of letting pass, screen end transceiver is transferred to read-out again, and read-out opens video channel, waits for that vision signal enters.360 degree of pictures based on picture of moveing backward are flowed to read-out by the chip of Single-chip Controlling video switching simultaneously, complete reverse image and get a bird's eye view display.
(2) when left steering lamp played by vehicle, left steering network signal transfers to car end transceiver, carry out after micro controller system catches this signal tackling, updating into backward gear Signal transmissions to screen end transceiver, screen end transceiver is transferred to read-out again, read-out opens video channel, waits for that vision signal enters.360 degree of pictures based on left side camera display frame are flowed to read-out by the chip of Single-chip Controlling video switching simultaneously, complete left-hand rotation and get a bird's eye view image display.
(3) when right steering lamp played by vehicle, right steering network signal transfers to car end transceiver, carry out after micro controller system catches this signal tackling, updating into backward gear Signal transmissions to screen end transceiver, screen end transceiver is transferred to read-out again, read-out opens video channel, waits for that vision signal enters.360 degree of pictures based on right side camera display frame are flowed to read-out by the chip of Single-chip Controlling video switching simultaneously, complete right-hand rotation and get a bird's eye view image display.
(4) when length pins the upwards turnover key of menu area on the left of bearing circle, page turning network signal (be equivalent to aforementioned D and keep off signal) transfers to car end transceiver, carry out after micro controller system catches this signal tackling, updating into backward gear Signal transmissions to screen end transceiver, screen end transceiver is transferred to read-out again, read-out opens video channel, waits for that vision signal enters.360 degree of pictures based on front camera display frame are flowed to read-out by the chip of Single-chip Controlling video switching simultaneously, complete forward sight and get a bird's eye view image display.Forward sight is got a bird's eye view and can be arranged to time-delay closing after 10 seconds, also can be arranged to grow again and close by this page button.
Embodiment three:
The former car of Jeep herdsman's vehicle of Chrysler Corporation can select dress reverse image, having installed reversing additional, left and right, front-facing camera has installed the utility model additional simultaneously again, repeater inside uses the video of full screen display to switch chip, and the video signal input terminal that described video switches chip connects reversing, left and right, front-facing camera respectively.
(1) when vehicle enters and reverses gear, the network signal that reverses gear transfers to car end transceiver, and this signal edit is become to have selected the signal of dress reverse image by micro controller system, be transferred to screen end transceiver, screen end transceiver is transferred to read-out again, and read-out opens video channel, waits for that vision signal enters.Reversing picture is flowed to read-out by the chip of Single-chip Controlling video switching simultaneously, completes reverse image display.
(2) when left steering lamp played by vehicle, left steering network signal transfers to car end transceiver, carry out after micro controller system catches this signal tackling, updating into backward gear Signal transmissions to screen end transceiver, screen end transceiver is transferred to read-out again, read-out opens video channel, waits for that vision signal enters.Left side camera display frame is flowed to read-out by the chip of Single-chip Controlling video switching simultaneously, completes left-hand rotation image display.
(3) when right steering lamp played by vehicle, right steering network signal transfers to car end transceiver, carry out after micro controller system catches this signal tackling, updating into backward gear Signal transmissions to screen end transceiver, screen end transceiver is transferred to read-out again, read-out opens video channel, waits for that vision signal enters.Right side camera display frame is flowed to read-out by the chip of Single-chip Controlling video switching simultaneously, completes right-hand rotation image display.
(4) when vehicle gear is from N to D, D backstop network Signal transmissions is to car end transceiver, and carry out after micro controller system catches this signal tackling, updating into backward gear Signal transmissions to screen end transceiver, screen end transceiver is transferred to read-out again, read-out opens video channel, waits for that vision signal enters.The chip of Single-chip Controlling video switching simultaneously will flow to read-out with front camera display frame, complete forward sight image display.Forward sight image can be arranged to time-delay closing after 10 seconds.
Claims (4)
1. In-vehicle networking protocol blocking and editor's repeater, it is characterized in that, comprise: microcontroller, the first CAN transceiver, the second CAN transceiver and video switch chip, described microcontroller connects automobile CAN-bus network by the first CAN transceiver, microcontroller connects Vehicular display device by the second CAN transceiver, microcontroller connects the control end that video switches chip, video switches the video signal input terminal connection camera onboard respectively of chip, and the VT that video switches chip is connected to Vehicular display device.
2. In-vehicle networking protocol blocking as claimed in claim 1 and editor's repeater, is characterized in that, camera is looked depending on camera and the right side in the video signal input terminal connection left side be installed on vehicle that described video switches chip.
3. In-vehicle networking protocol blocking as claimed in claim 1 and editor's repeater, it is characterized in that, the video signal input terminal that described video switches chip connects the front-facing camera be installed on vehicle.
4. In-vehicle networking protocol blocking as claimed in claim 1 and editor's repeater, it is characterized in that, the video signal input terminal that described video switches chip connects the backup camera be installed on vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430837.XU CN204774934U (en) | 2015-06-19 | 2015-06-19 | Interception of on -vehicle network protocol and editor forward ware |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520430837.XU CN204774934U (en) | 2015-06-19 | 2015-06-19 | Interception of on -vehicle network protocol and editor forward ware |
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| CN204774934U true CN204774934U (en) | 2015-11-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108216084A (en) * | 2018-01-16 | 2018-06-29 | 江苏海天科技有限公司 | In-vehicle networking protocol blocking and editor's transponder |
| CN109572610A (en) * | 2018-12-26 | 2019-04-05 | 佛山小诺电子科技有限公司 | Automobile right rear view mirror with dual camera, driving auxiliary system and its control method |
-
2015
- 2015-06-19 CN CN201520430837.XU patent/CN204774934U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108216084A (en) * | 2018-01-16 | 2018-06-29 | 江苏海天科技有限公司 | In-vehicle networking protocol blocking and editor's transponder |
| CN109572610A (en) * | 2018-12-26 | 2019-04-05 | 佛山小诺电子科技有限公司 | Automobile right rear view mirror with dual camera, driving auxiliary system and its control method |
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| GR01 | Patent grant |