CN110154951A - A kind of multimedia acquisition power supply signal logical method - Google Patents
A kind of multimedia acquisition power supply signal logical method Download PDFInfo
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- CN110154951A CN110154951A CN201910284903.XA CN201910284903A CN110154951A CN 110154951 A CN110154951 A CN 110154951A CN 201910284903 A CN201910284903 A CN 201910284903A CN 110154951 A CN110154951 A CN 110154951A
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- China
- Prior art keywords
- signal
- multimedia
- network
- power supply
- car door
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
Abstract
The invention discloses a kind of multimedias to obtain power supply signal logical method, it comprises the following steps that intelligent key unlocking, is powered on by PEPS controller to vehicle, car door opening signal is pushed to multimedia by CAN network, car door is shut after getting off, door signal is pushed to multimedia by CAN network.A kind of multimedia provided by the invention obtains power supply signal logical method, compared with traditional multimedia acquisition power supply signal is mostly by way of rigid line, the logic that the present invention takes is, after pressing unlocking key, vehicle powers on, user opens the door or closes the door, multimedia can receive the opening signal of car door, it carries out immediately to power-on operation simultaneously, and after user is flame-out, more matchmakers can't immediately close off, Ren Ranti works on, when receive user get off door signal after, CAN pushes shutdown command to multimedia by the information that weight sensor is fed back, this way can reduce user and wait the available machine time, promote user experience.
Description
Technical field
The invention belongs to multimedia field of power management, and more specifically more particularly to a kind of multimedia obtains power supply letter
Number logical method.
Background technique
Vehicle mounted multimedia can optimize traffic efficiency, and after popularizing GPS navigation, bring is more intelligent, more scientific, more efficient
Traffic control system largely alleviates the traffic pressure in city, and with the fast development of China's economy, city
Road change is more frequent, if can update at any time using personal navigation terminal, guarantees that electronic map is newest forever
With it is accurate, link change situation can be held in time and driver is helped to design best, most fast, most economical travel route,
Driving efficiency is improved, traveler is allow to select trip mode appropriate and travel time in advance, alleviates congestion to play, change
The effect of kind environment, in-vehicle multi-media system project have necessity.
The many vehicle mounted multimedias of existing market obtain power supply signals mostly and are by way of rigid line, after pressing unlocking key, vehicle
Power on, click POWER key after, multimedia reception to POWER open or close signal after, carry out it is corresponding booting or shutdown grasp
Make, this way needs user actively to go switching on and shutting down, needs to actually use ten by more than ten seconds or even longer waiting time
The inconvenience divided.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of multimedia proposed obtains power supply
Signal logic method, after Current protocols are unlock, vehicle is powered on, and weight sensor is activated by close door, according to weight after people
Quantity sensor feedback information is to CAN, to judge whether multimedia works.
To achieve the above object, the invention provides the following technical scheme:
A kind of multimedia acquisition power supply signal logical method, includes the following steps:
S1, intelligent key unlocking are powered on by PEPS controller to vehicle,
PEPS controller can receive the signal at two front doors, tail-gate switch by internal signal receiver, when car owner is intended to
When opening car door, PEPS controller will allow door lock to act, and open car door, while car owner gets on the bus when opening ignition switch, PEPS
After controller detects Intelligent key reasonability, carry out corresponding movement, PEPS controller by constantly transmitting signal with
Interior 6 Anneta modules keep exchange, and 6 Anneta modules are located at tail-gate, back seat, parking brake wiring, instrument and a left side
In right front door, while after high-frequency signal of the PEPS controller reception from Intelligent key, controlled respectively by three ignition relays
The power supply of vehicle processed；
S2, car door opening signal are pushed to multimedia by CAN network,
After car door opening, car door opening signal is sent to CAN network by infrared inductor, and signal is passed through CAN bus by CAN network
It is pushed to driver's seat gravity sensing network, and activates weight sensor, in driver's seat on people's seat, weight sensor is by signal
CAN network is returned to, signal is pushed to multimedia by CAN bus by CAN network, and multimedia is executed according to CAN network signal
Power-on operation；
S3, car door is shut after getting off, door signal is pushed to multimedia by CAN network,
After user is flame-out, multimedia is not shut down, and can activate infrared inductor after flame-out at once, and user opens after car door is got off and closes
Car door, after closing of the door, car door opening signal is sent to CAN network by infrared inductor, and CAN network is total by CAN by signal
Line is pushed to driver's seat gravity sensing network, and activates weight sensor, and can't detect driver's seat in weight sensor has weight
When, for weight sensor by signal return to CAN network, signal is pushed to multimedia, multimedia by CAN bus by CAN network
Power-off operation is executed according to CAN network signal.
Preferably, the signal cable discord forceful electric power power supply line of the weight sensor or control line are arranged parallel, if they
It must place parallel, the distance between they preferably must be held in 50CM or more, and signal wire metal pipe sleeve is got up, described heavy
The power supply line and control line of quantity sensor should all be twisted, and close 50 twist m of degree, if sensor signal lines need to extend,
Special hermetically-sealed cable terminal box should be used, is directly docked with cable by soldering end according to cable, should be examined after connecting
Insulation resistance, and standard 2000M~5000M need to be reached, when necessary, sensor should be re-scaled.
Preferably, the base mounting surface of the weight sensor is smooth, cleans, and without any oil film, glue film exists, and installs bottom
Seat itself should have enough intensity and rigidity, higher than the strength and stiffness of sensor itself.
Preferably, the physical layer and data link layer functions of CAN protocol are integrated in the communication interface of the CAN bus,
The achievable framing processing to communication data, including position filling, data block coding, cyclic redundancy check, priority discrimination work,
The speed of the CAN is 125Kbps.
Preferably, the message transmitted in the CAN bus, every frame are made of 7 parts, and CAN protocol supports message format
It is 11.
It preferably, further include conduction electromagnetic distu source, the conduction electromagnetic distu source is connect with the PEPS controller, institute
Stating conduction electromagnetic distu source includes microprocessor, microcontroller, conveyer, static discharge and instantaneous power executive component.
Preferably, the Anneta module includes antenna box and high frequency antenna, and the high frequency antenna is located at the inside of antenna box,
And high frequency antenna is in non-shielding state.
Preferably, the inside of the Intelligent key is equipped with UHF transmitting module, the transmitting antenna of the UHF transmitting module
For PCB antenna.
Technical effect and advantage of the invention: a kind of multimedia acquisition power supply signal logical method provided by the invention, with
It is mostly compared by way of rigid line that traditional multimedia, which obtains power supply signal, and the logic that the present invention takes is after pressing unlocking key,
Vehicle powers on, and user opens the door or closes the door, and multimedia can receive the opening signal of car door, while carrying out grasping booting immediately
Make, and after user is flame-out, multimedia can work on, when receive user get off door signal after, multimedia is shut down, this
Way can reduce user and wait the available machine time, promote user experience.
Detailed description of the invention
Fig. 1 is multimedia starting procedure block diagram of the invention；
Fig. 2 is multimedia shutdown process block diagram of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
Embodiment 1
A kind of multimedia acquisition power supply signal logical method, includes the following steps:
S1, intelligent key unlocking are powered on by PEPS controller to vehicle,
PEPS controller can receive the signal at two front doors, tail-gate switch by internal signal receiver, when car owner is intended to
When opening car door, PEPS controller will allow door lock to act, and open car door, while car owner gets on the bus when opening ignition switch, PEPS
After controller detects Intelligent key reasonability, carry out corresponding movement, PEPS controller by constantly transmitting signal with
Interior 6 Anneta modules keep exchange, and 6 Anneta modules are located at tail-gate, back seat, parking brake wiring, instrument and a left side
In right front door, while after high-frequency signal of the PEPS controller reception from Intelligent key, controlled respectively by three ignition relays
The power supply of vehicle processed；
S2, car door opening signal are pushed to multimedia by CAN network,
After car door opening, car door opening signal is sent to CAN network by infrared inductor, and signal is passed through CAN bus by CAN network
It is pushed to driver's seat gravity sensing network, and activates weight sensor, in driver's seat on people's seat, weight sensor is by signal
CAN network is returned to, signal is pushed to multimedia by CAN bus by CAN network, and multimedia is executed according to CAN network signal
Power-on operation；
S3, car door is shut after getting off, door signal is pushed to multimedia by CAN network,
After user is flame-out, multimedia is not shut down, and can activate infrared inductor after flame-out at once, and user opens after car door is got off and closes
Car door, after closing of the door, car door opening signal is sent to CAN network by infrared inductor, and CAN network is total by CAN by signal
Line is pushed to driver's seat gravity sensing network, and activates weight sensor, and can't detect driver's seat in weight sensor has weight
When, for weight sensor by signal return to CAN network, signal is pushed to multimedia, multimedia by CAN bus by CAN network
Power-off operation is executed according to CAN network signal.
The signal cable discord forceful electric power power supply line or control line of the weight sensor are arranged parallel, if they must be parallel
It places, the distance between they preferably must be held in 50CM or more, and signal wire metal pipe sleeve is got up, the weight sensor
Power supply line and control line should all be twisted, close 50 twist m of degree, if sensor signal lines need to extend, should using spy
The hermetically-sealed cable terminal box of system is directly docked by soldering end with cable according to cable, insulation resistance should be examined after connecting,
And standard 2000M~5000M need to be reached, when necessary, sensor should be re-scaled.
The base mounting surface of the weight sensor is smooth, cleans, and without any oil film, glue film exists, mounting seat itself
Should there are enough intensity and rigidity, higher than the strength and stiffness of sensor itself.
The physical layer and data link layer functions of CAN protocol are integrated in the communication interface of the CAN bus, it is achievable right
The framing processing of communication data, including position filling, data block coding, cyclic redundancy check, priority discrimination work, the CAN
Speed be 125Kbps.
The message transmitted in the CAN bus, every frame are made of 7 parts, and CAN protocol supports that message format is 11.
It further include conduction electromagnetic distu source, the conduction electromagnetic distu source is connect with the PEPS controller, the conduction
Electromagnetic distu source includes microprocessor, microcontroller, conveyer, static discharge and instantaneous power executive component.
The Anneta module includes antenna box and high frequency antenna, and the high frequency antenna is located at the inside of antenna box, and high frequency
Antenna is in non-shielding state.
The inside of the Intelligent key is equipped with UHF transmitting module, and the transmitting antenna of the UHF transmitting module is PCB days
Line.
In summary: a kind of multimedia acquisition power supply signal logical method provided by the invention, with existing vehicle-mounted more matchmakers
It is by way of rigid line that body, which obtains power supply signal, and after pressing unlocking key, vehicle is powered on, and after clicking POWER key, multimedia reception is arrived
POWER open or close signal after, carry out corresponding booting or power-off operation, this way needs user actively to go switching on and shutting down,
It needs to endure more than ten seconds or even the longer waiting time is compared, after the present invention presses unlocking key, vehicle is powered on, and user opens the door or closes
Door, multimedia can receive the opening signal of car door, while carry out immediately to power-on operation, and after user is flame-out, multimedia
Can work on, when receive user get off door signal after, multimedia shutdown.This way can reduce user and wait booting
Time promotes user experience.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (8)
1. a kind of multimedia obtains power supply signal logical method, characterized by the following steps:
S1, intelligent key unlocking are powered on by PEPS controller to vehicle,
PEPS controller can receive the signal at two front doors, tail-gate switch by internal signal receiver, when car owner is intended to
When opening car door, PEPS controller will allow door lock to act, and open car door, while car owner gets on the bus when opening ignition switch, PEPS
After controller detects Intelligent key reasonability, carry out corresponding movement, PEPS controller by constantly transmitting signal with
Interior 6 Anneta modules keep exchange, and 6 Anneta modules are located at tail-gate, back seat, parking brake wiring, instrument and a left side
In right front door, while after high-frequency signal of the PEPS controller reception from Intelligent key, controlled respectively by three ignition relays
The power supply of vehicle processed；
S2, car door opening signal are pushed to multimedia by CAN network,
After car door opening, car door opening signal is sent to CAN network by infrared inductor, and signal is passed through CAN bus by CAN network
It is pushed to driver's seat gravity sensing network, and activates weight sensor, in driver's seat on people's seat, weight sensor is by signal
CAN network is returned to, signal is pushed to multimedia by CAN bus by CAN network, and multimedia is executed according to CAN network signal
Power-on operation；
S3, car door is shut after getting off, door signal is pushed to multimedia by CAN network,
After user is flame-out, multimedia is not shut down, and can activate infrared inductor after flame-out at once, and user opens after car door is got off and closes
Car door, after closing of the door, car door opening signal is sent to CAN network by infrared inductor, and CAN network is total by CAN by signal
Line is pushed to driver's seat gravity sensing network, and activates weight sensor, and can't detect driver's seat in weight sensor has weight
When, for weight sensor by signal return to CAN network, signal is pushed to multimedia, multimedia by CAN bus by CAN network
Power-off operation is executed according to CAN network signal.
2. a kind of multimedia according to claim 1 obtains power supply signal logical method, it is characterised in that: the weight passes
Sensor signal cable discord forceful electric power power supply line or control line arrange parallel, if they must be placed parallel, between them away from
From preferably must be held in 50CM or more, and signal wire metal pipe sleeve is got up, the power supply line and control line of the weight sensor
It should all be twisted, special hermetically-sealed cable wiring should be used by closing 50 twist m of degree if sensor signal lines need to extend
Box is directly docked by soldering end with cable according to cable, insulation resistance should be examined after connecting, and need to reach standard
2000M~5000M should re-scale sensor when necessary.
3. a kind of multimedia according to claim 1 obtains power supply signal logical method, it is characterised in that: the weight passes
The base mounting surface of sensor is smooth, cleaning, and without any oil film, glue film exists, and mounting seat itself should have enough intensity and just
Property, it is desirable that higher than the strength and stiffness of sensor itself.
4. a kind of multimedia according to claim 1 obtains power supply signal logical method, it is characterised in that: the CAN is total
The physical layer and data link layer functions of CAN protocol are integrated in the communication interface of line, at the achievable framing to communication data
Reason, including position filling, data block coding, cyclic redundancy check, priority discrimination work, the speed of the CAN are 125Kbps.
5. a kind of multimedia according to claim 1 obtains power supply signal logical method, it is characterised in that: the CAN is total
The message transmitted in line, every frame are made of 7 parts, and CAN protocol supports that message format is 11.
6. a kind of multimedia according to claim 1 obtains power supply signal logical method, it is characterised in that: further include conduction
Electromagnetic distu source, the conduction electromagnetic distu source are connect with the PEPS controller, and the conduction electromagnetic distu source includes micro- place
Manage device, microcontroller, conveyer, static discharge and instantaneous power executive component.
7. a kind of multimedia according to claim 1 obtains power supply signal logical method, it is characterised in that: the antenna mould
Block includes antenna box and high frequency antenna, and the high frequency antenna is located at the inside of antenna box, and high frequency antenna is in non-shielding state.
8. a kind of multimedia according to claim 1 obtains power supply signal logical method, it is characterised in that: the intelligence key
The inside of spoon is equipped with UHF transmitting module, and the transmitting antenna of the UHF transmitting module is PCB antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284903.XA CN110154951A (en) | 2019-04-10 | 2019-04-10 | A kind of multimedia acquisition power supply signal logical method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284903.XA CN110154951A (en) | 2019-04-10 | 2019-04-10 | A kind of multimedia acquisition power supply signal logical method |
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| CN110154951A true CN110154951A (en) | 2019-08-23 |
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ID=67639292
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| CN201910284903.XA Pending CN110154951A (en) | 2019-04-10 | 2019-04-10 | A kind of multimedia acquisition power supply signal logical method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114064137A (en) * | 2021-11-18 | 2022-02-18 | 宁波集联软件科技有限公司 | Starting method and starting system of vehicle-mounted machine system of automobile |
| EP4331334A1 (en) * | 2022-09-02 | 2024-03-06 | CLAAS Tractor S.A.S. | Agricultural machine |
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Application publication date: 20190823 |