CN110049115A - A kind of means of communication and vehicular lamp system applied to vehicular lamp system - Google Patents
A kind of means of communication and vehicular lamp system applied to vehicular lamp system Download PDFInfo
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- CN110049115A CN110049115A CN201910267507.6A CN201910267507A CN110049115A CN 110049115 A CN110049115 A CN 110049115A CN 201910267507 A CN201910267507 A CN 201910267507A CN 110049115 A CN110049115 A CN 110049115A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/18—Controlling the light source by remote control via data-bus transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
A kind of means of communication and vehicular lamp system applied to vehicular lamp system, the vehicular lamp system include: lamps and lanterns and the lamp controller that is connect with the lamps and lanterns by CAN communication；Wherein, CAN communication module is integrated in each lamps and lanterns and is stored with lamp effect mode several different, and each lamp effect mode includes the lamps and lanterns in corresponding instantaneous state of each moment；The described method includes: the lamp controller sends communication instruction to the lamps and lanterns by CAN communication；The communication instruction includes target pattern mark and object time；The target pattern mark is the mark of the target lamp effect mode in the lamp effect mode several different；The lamps and lanterns inquire the corresponding target lamp according to target pattern mark and imitate mode, and the corresponding target instantaneous state of the object time is executed under the target lamp effect mode.Implement the embodiment of the present invention, the communication data amount of lamp system can be reduced, improve the communication efficiency of lamp system.
Description
Technical field
The present invention relates to intelligent automobile technical fields, and in particular to a kind of means of communication applied to vehicular lamp system and
Vehicular lamp system.
Background technique
It is lighted currently, most automobile lamp needs to drive by rigid line.That is, each lamps and lanterns need by pair
The rigid line answered is connected to controller, controls the state of each lamps and lanterns by rigid line by controller.Therefore, it is driven using rigid line
When, if necessary to each lamps and lanterns of synchronously control, need to send the state of each lamps and lanterns simultaneously.With the increase of lamps and lanterns quantity, this
Communication data amount needed for kind communication modes can be gradually increased, and cause data transmission period to increase, communication efficiency is lower, is easy to make
It is lagged at data, causes the response speed of lamps and lanterns slower, it is difficult to build smooth lighting effects.
Summary of the invention
The embodiment of the invention discloses a kind of means of communication and vehicular lamp system applied to vehicular lamp system, can
The communication data amount for reducing lamp system, improves the communication efficiency of lamp system.
First aspect of the embodiment of the present invention discloses a kind of means of communication applied to vehicular lamp system, the automobile lamp
System includes: lamps and lanterns and the lamp controller that is connect with the lamps and lanterns by CAN communication；Wherein, collection in each lamps and lanterns
At CAN communication module and it is stored with lamp effect mode dictionary, the lamp effect mode dictionary includes lamp effect mode several different, often
A lamp effect mode includes the lamps and lanterns in corresponding instantaneous state of each moment, and each lamp effect mode has unique mode
Mark；The described method includes:
The lamp controller sends communication instruction to the lamps and lanterns by CAN communication；The communication instruction includes target
Pattern identification and object time；The target pattern mark is the target lamp effect mould in the lamp effect mode several different
The mark of formula；
The lamps and lanterns inquire the corresponding target lamp according to target pattern mark and imitate mode, and in the target
The corresponding target instantaneous state of the object time is executed under lamp effect mode.
As an alternative embodiment, the lamp controller passes through CAN in first aspect of the embodiment of the present invention
It communicates to the lamps and lanterns and sends communication instruction, comprising:
The lamp controller sends communication instruction to the lamps and lanterns by CAN communication by the setting period.
As an alternative embodiment, the CAN communication is privately owned CAN in first aspect of the embodiment of the present invention
Communication.
As an alternative embodiment, in first aspect of the embodiment of the present invention, when the lamps and lanterns are single lamp grain
When, the CAN communication is CAN-FD communication.
As an alternative embodiment, in first aspect of the embodiment of the present invention, the lamps and lanterns and car body controller
It is connected by rigid line；The method also includes:
If the lamps and lanterns with the lamp controller by receiving the car body controller during CAN communication
By the control signal of hard-wire transfer, the control CAN with the lamp controller, which communicates stopping and executes the control, to be believed
Number instruction state.
As an alternative embodiment, passing through in first aspect of the embodiment of the present invention in the lamp controller
Before CAN communication sends communication instruction to the lamps and lanterns, the method also includes:
The lamp controller detects whether to receive the first trigger signal, if so, the lamp controller executes institute
State the step of communication instruction is sent to the lamps and lanterns by CAN communication；It is full that first trigger signal is used to indicate vehicle condition
The preset lamp of foot imitates trigger condition.
As an alternative embodiment, passing through in first aspect of the embodiment of the present invention in the lamp controller
Before CAN communication sends communication instruction to the lamps and lanterns, the method also includes:
The lamp controller detects whether to receive the second trigger signal, if so, the lamp controller executes institute
State the step of communication instruction is sent to the lamps and lanterns by CAN communication；Second trigger signal is in response to peripheral vehicle
The signal that pedestrian position or gesture generate.
As an alternative embodiment, passing through in first aspect of the embodiment of the present invention in the lamp controller
Before CAN communication sends communication instruction to the lamps and lanterns, the method also includes:
The lamp controller detects whether to receive third trigger signal, if so, the lamp controller executes institute
State the step of communication instruction is sent to the lamps and lanterns by CAN communication；The third trigger signal be in response to the automobile
The signal that generates of the identical another vehicle of brand.
Second aspect of the embodiment of the present invention discloses a kind of vehicular lamp system, comprising: lamps and lanterns and passes through with the lamps and lanterns
The lamp controller of CAN communication connection；Wherein, CAN communication module is integrated in each lamps and lanterns and is stored with lamp effect pattern-word
Allusion quotation, the lamp effect mode dictionary include lamp effect mode several different, and each lamp effect mode includes the lamps and lanterns in per a period of time
Corresponding instantaneous state is carved, and each lamp effect mode has unique pattern identification；
The lamp controller, for sending communication instruction to the lamps and lanterns by CAN communication；The communication instruction includes
Target pattern mark and object time；The target pattern mark is the target lamp in the lamp effect mode several different
The mark of effect mode；
The lamps and lanterns imitate mode for inquiring the corresponding target lamp according to target pattern mark, and in institute
It states and executes the corresponding target instantaneous state of the object time under target lamp effect mode.
As an alternative embodiment, in second aspect of the embodiment of the present invention:
The lamp controller is specifically used for sending communication instruction to the lamps and lanterns by CAN communication by the setting period.
As an alternative embodiment, in second aspect of the embodiment of the present invention: the CAN communication is privately owned CAN
Communication.
As an alternative embodiment, in second aspect of the embodiment of the present invention: the CAN communication is privately owned CAN
Communication.
As an alternative embodiment, in second aspect of the embodiment of the present invention: the lamps and lanterns are single lamp grain, institute
CAN communication is stated as CAN-FD communication.
As an alternative embodiment, in second aspect of the embodiment of the present invention, the system also includes:
Car body controller, the car body controller are connect with the lamps and lanterns by rigid line；
And the lamps and lanterns, be also used to the lamp controller by receiving the vehicle during CAN communication
When body controller passes through the control signal of hard-wire transfer, the control CAN communication with the lamp controller stops and executes
The state of the control signal designation.
As an alternative embodiment, in second aspect of the embodiment of the present invention:
The lamp controller is also used to before sending communication instruction to the lamps and lanterns by CAN communication, detects whether
The first trigger signal is received, if so, executing the operation for sending communication instruction to the lamps and lanterns by CAN communication；Institute
It states the first trigger signal and is used to indicate vehicle condition and meet preset lamp effect trigger condition.
As an alternative embodiment, in second aspect of the embodiment of the present invention:
The lamp controller is also used to before sending communication instruction to the lamps and lanterns by CAN communication, detects whether
The second trigger signal is received, if so, executing the operation for sending communication instruction to the lamps and lanterns by CAN communication；Institute
Stating the second trigger signal is the signal generated in response to the pedestrian position or gesture of peripheral vehicle.
As an alternative embodiment, in second aspect of the embodiment of the present invention:
The lamp controller is also used to before sending communication instruction to the lamps and lanterns by CAN communication, detects whether
Third trigger signal is received, if so, executing the operation for sending communication instruction to the lamps and lanterns by CAN communication；Institute
Stating third trigger signal is the signal generated in response to another vehicle identical with the brand of the automobile.
Third aspect present invention discloses a kind of computer readable storage medium, stores computer program, wherein the meter
Calculation machine program makes computer execute the disclosed any one method of first aspect of the embodiment of the present invention.
Fourth aspect of the embodiment of the present invention discloses a kind of computer program product, when the computer program product is calculating
When being run on machine, so that the computer executes the disclosed any one method of first aspect of the embodiment of the present invention.
Compared with prior art, the embodiment of the present invention has the advantages that
Lamps and lanterns are previously stored under each lamp effect mode lamps and lanterns in different moments corresponding instantaneous state, while lamps and lanterns control
It can be carried out data transmission by way of CAN communication between device and lamps and lanterns.When needing the multiple lamps and lanterns of synchronously control, lamps and lanterns control
It is not necessarily to list the state of each lamps and lanterns in the communication instruction that device processed is sent to lamps and lanterns, need to only indicate target pattern mark and target
Moment mark, it is instantaneous that each lamps and lanterns can inquire the corresponding target of the lamps and lanterns from the pre-stored various instantaneous states of inquiry
State, and the target instantaneous state is executed at once.Data volume phase needed for transmission objectives pattern identification and object time mark
To less, therefore the data volume for needing to transmit can be reduced, to improve efficiency of transmission.In addition, each lamp interior only needs to store
The corresponding instantaneous state of the lamps and lanterns, the data volume of storage is also less, and the time needed for calling inquiry is shorter, fast response time.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural schematic diagram of vehicular lamp system disclosed by the embodiments of the present invention；
Fig. 2 is a kind of method flow diagram of means of communication applied to vehicular lamp system disclosed by the embodiments of the present invention；
Fig. 3 is a kind of control logic exemplary diagram of lamp effect mode disclosed by the embodiments of the present invention；
Fig. 4 is the structural schematic diagram of another vehicular lamp system disclosed by the embodiments of the present invention；
Fig. 5 is the method flow of another means of communication for being applied to vehicular lamp system disclosed by the embodiments of the present invention
Figure；
Fig. 6 is a kind of exemplary diagram of penetration type light bar disclosed by the embodiments of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
It should be noted that term " includes " and " having " and their any changes in the embodiment of the present invention and attached drawing
Shape, it is intended that cover and non-exclusive include.Such as contain the process, method of a series of steps or units, system, product or
Equipment is not limited to listed step or unit, but optionally further comprising the step of not listing or unit or optional
Ground further includes the other step or units intrinsic for these process, methods, product or equipment.
The embodiment of the invention discloses a kind of means of communication and vehicular lamp system applied to vehicular lamp system, can
The communication data amount for reducing lamp system, improves the communication efficiency of lamp system.It is described in detail separately below.
Embodiment one
Fig. 1 and Fig. 2 is please referred to, Fig. 1 is a kind of structural schematic diagram of vehicular lamp system disclosed by the embodiments of the present invention, figure
2 be a kind of method flow diagram of means of communication applied to vehicular lamp system disclosed by the embodiments of the present invention.As shown in Figure 1,
The vehicular lamp system includes lamp controller 101 and lamps and lanterns 102.Wherein, pass through between lamp controller 101 and lamps and lanterns 102
CAN (Controller Area Network, CAN) communication connection, lamp controller 101 are specifically as follows appointing for setting automobile
Anticipate an electronic control unit (Electronic Control Unit, ECU), and lamps and lanterns 102 can be single lamp grain, can also be with
Lamp grain to be made of multiple lamp grains combines, and the embodiment of the present invention is without limitation.Referring to Figure 2 together, as shown in Fig. 2, this is answered
The means of communication for vehicular lamp system may include steps of:
201, lamp controller sends communication instruction to lamps and lanterns by CAN communication.
In embodiments of the present invention, it can integrate CAN communication module in lamps and lanterns, and be stored with lamp effect mode dictionary, lamp
Effect mode dictionary includes lamp effect mode several different, and it is corresponding at each moment that each lamp effect mode may include the lamps and lanterns
Instantaneous state, and each lamp effect mode has unique pattern identification.Such as in the lamp effect mode dictionary stored in lamps and lanterns
It may include 30 kinds of lamp effect modes, each different lamp distinguished by the mark of Mode1~Mode30 and imitates mode.
It is a kind of control logic exemplary diagram of lamp effect mode disclosed by the embodiments of the present invention also referring to Fig. 3, Fig. 3.Its
In, it include right side headlight (AR1~AR21 in Fig. 3), left side headlight (AL1~AR21 in Fig. 3) and intermediate headlight (figure in Fig. 3
BM1~BM48 in 3).Above-mentioned right side headlight, left side headlight and intermediate headlight can be combined into penetration type light bar (such as Fig. 6 institute
Show), it can be set in front of headstock.
As an alternative embodiment, above-mentioned lamps and lanterns can be the lamp grain combination of multiple lamp grains composition.Such as
It can be right side headlight, left side headlight or intermediate headlight.That is, in right side headlight, left side headlight and intermediate headlight
CAN communication module can be integrated respectively, and right side headlight, left side headlight and intermediate headlight are connect by respective CAN communication module
Receive the communication instruction that lamp controller is sent；And, it is understood that right side headlight stores lamp grain AR1~lamp grain AR21
Each moment corresponding instantaneous state, left side headlight store lamp grain AL1~lamp grain AL21 each under each lamp effect mode
Each moment corresponding instantaneous state under lamp effect mode, intermediate headlight store lamp grain BM1~lamp grain BM48 and imitate mould in each lamp
Each moment corresponding instantaneous state under formula.
As another optional embodiment, above-mentioned lamps and lanterns can be single lamp grain.That is, such as institute in Fig. 3
Lamp grain AR1~lamp grain AR21 for showing, lamp grain AL1~AL21, each lamp intragranular in lamp grain BM1~lamp grain BM48 can integrate
CAN communication module, each lamp grain are independent control unit, are sent by respective CAN communication module receiving light controller
Instruction.It is understood that each lamp intragranular stores the lamp grain under each lamp effect mode when lamps and lanterns are single lamp grain
Each moment corresponding instantaneous state.
In embodiments of the present invention, for the convenience of description, following the description with lamps and lanterns be respectively right side headlight, left side headlight with
And description is applied to the logical of vehicular lamp system for the penetration type light bar being arranged in front of headstock being combined into when the headlight of centre
Communication method should not constitute the restriction to the embodiment of the present invention.It is understood that the lamp grain combination of multiple lamp grains composition can also be with
For right side back light, left side back light and intermediate back light；Above-mentioned right side back light, left side back light and intermediate back light can be combined into
Penetration type light bar is arranged in the tailstock.What is described by taking the penetration type light bar being arranged in front of headstock as an example is applied to automobile lamp system
The means of communication of system are applied equally to that the penetration type light bar of the vehicle bodies any positions such as the tailstock, vehicle side is arranged in.
As shown in figure 3, horizontal axis is lamp grain in Fig. 3, the longitudinal axis is time series, indicates time trend, each list of the longitudinal axis
Position can be T milliseconds, and (such as 20) can be manually set in T.The corresponding instantaneous state of the grid of blank is the closing of lamp grain in Fig. 3,
The corresponding instantaneous state of remaining grid is that lamp grain is opened.Further, lamp grain unlatching can correspond to different brightness, can also correspond to
Different colors (such as white, red and yellow).Show it is understood that brightness degree shown in Fig. 3 is that one kind is possible
Example, in other possible embodiments, the brightness degree of lamp grain may be 100%, 50%, 30% etc., specifically may be used
Taking human as setting, the embodiment of the present invention is without limitation.With T1 moment corresponding data instance in Fig. 3, it can be seen that in the mode
The T1 moment, lamp grain AR1 and the corresponding instantaneous state of lamp grain AL1 are to be lighted with 100% brightness, remaining lamp grain corresponding wink
When state be close.
It, can in the communication instruction that lamp controller is sent to lamps and lanterns based on the control logic of lamp effect mode as shown in Figure 3
With target pattern mark and object time comprising some target pattern；Target pattern be lamps and lanterns in store several not
With lamp effect mode in any one.It is index with target pattern mark and object time, it is corresponding that lamp grain can be found out
Instantaneous state.Therefore, following steps 202 can be executed.
202, lamps and lanterns inquire corresponding target lamp according to target pattern mark and imitate mode, and hold under target lamp effect mode
The corresponding target instantaneous state of row object time.
In embodiments of the present invention, it is assumed that lamp shown in Fig. 3 effect mode is mode 1, lamp controller simultaneously to the right before
Lamp, left side headlight and intermediate headlight send communication instruction, and the content that communication instruction includes is Mode1_Tick1, i.e. target mould
Formula is identified as Mode1, and object time is Tick1 (T1), imitates then front side lamps and lanterns can inquire corresponding target lamp according to Mode1
Mode is mode 1, and the T1 moment corresponding target instantaneous state for inquiring mode 1 are as follows: lamp grain AR1 is with 100% brightness
Light, lamp grain AR2~lamp grain AR21 is closed, and front side lamps and lanterns execute the target instantaneous state, control lamp grain AR1 with 100% it is bright
Degree is lighted, and control lamp grain AR2~lamp grain AR21 is closed；Correspondingly, left side headlight and intermediate headlight can be according to Mode1_
Tick1 inquires corresponding target instantaneous state and executes, and the following contents repeats no more.
As it can be seen that in the means of communication shown in Fig. 2, it is every without listing in the communication instruction that lamp controller is sent to lamps and lanterns
The state of a lamps and lanterns.However, if lamp controller synchronously control right side headlight, left side headlight in a manner of listing lamps and lanterns state
And intermediate headlight executes T1 moment corresponding lighting effects in lamp effect mode as shown in Figure 3, then needing respectively to the right
Headlight, left side headlight, intermediate headlight send different communication instructions, and the communication instruction needs sent to each lamps and lanterns include
The state of each lamp grain.And in the means of communication shown in Fig. 2, lamp controller can to the right headlight, left side headlight, it is intermediate before
Lamp sends identical communication instruction, and the mark of target pattern indicated by Mode1_Tick1 and object time can be with only
One number is indicated, and required data volume is much smaller than data volume needed for listing the granular state of each lamp.Therefore, based on as schemed
Vehicular lamp system shown in 1 implements the means of communication as shown in Figure 2, it is possible to reduce the data volume for needing to transmit improves communication
Efficiency.In addition, each lamp interior need to only store the lamps and lanterns each moment under different lamp effect modes corresponding instantaneous state, nothing
The instantaneous state of other lamps and lanterns need to be stored, the data volume of storage is also less, the communication that can be sent with quick response lamp controller
Smooth lighting effects are built in instruction.
Embodiment two
Referring to Figure 4 together and Fig. 5, Fig. 4 are that the structure of another vehicular lamp system disclosed by the embodiments of the present invention is shown
It is intended to, Fig. 5 is the method flow diagram of another means of communication for being applied to vehicular lamp system disclosed by the embodiments of the present invention.
Wherein, vehicular lamp system shown in Fig. 4 is that vehicular lamp system as shown in Figure 2 optimizes to obtain, such as Fig. 4
Shown, which can also include car body controller 103 (Body Control Module, BCM) and gateway
Between 104 (Gateway, GW) car body controllers 103 and above-mentioned each lamps and lanterns by rigid line connect, car body controller 103 with
Lamp controller 101 can be connected to gateway 104 by Body Control bus (Body CAN, BCAN).Wherein, gateway 104 is used
In other controllers to car body controller 103 and lamp controller 104 and automobile, (such as photographic device controller, middle control are handed over
Mutual equipment etc.) it is attached.
Please refer to fig. 5, as shown in figure 5, should may include following step applied to the means of communication of vehicular lamp system
It is rapid:
501, lamp controller sends communication instruction to lamps and lanterns by CAN communication by the setting period.
In embodiments of the present invention, lamp controller can be according to the setting period, and (such as 10ms) is to each at regular intervals
A lamps and lanterns send communication instruction, so as to the corresponding instantaneous state of Fast transforms lamps and lanterns, form complicated dynamic light effect.
Optionally, the CAN communication between lamp controller and lamps and lanterns can be privately owned CAN communication, whole so as to reduce
Network load rate in the public CAN network of vehicle, reduces the signal delay in public CAN network, also improve lamp controller with
Communication efficiency between lamps and lanterns.
It is further alternative, if above-mentioned lamps and lanterns be when a lamp grain, i.e., using single lamp grain as independent control unit when, lamp
Grain number amount is larger, and the data volume that lamp controller needs to transmit increases.At this point, the CAN communication between lamp controller and lamps and lanterns
It can be communicated for CAN-FD (CAN with Flexible Data Rate).The characteristics of CAN-FD is communicated is variable bit rate, number
Expand, according to length of field using new CRC (Cyclic Redundancy Check, CRC) method of calibration.Therefore, CAN-FD is logical
News can meet synchronism when transmitted data amount increases.
In addition, in embodiments of the present invention, following steps can also be performed before executing step 501:
Lamp controller detects whether to receive the first trigger signal, if so, executing step 501；Wherein, the first triggering
Signal is used to indicate vehicle condition and meets preset lamp effect trigger condition, and lamp effect trigger condition can include but is not limited to: car locking,
Unlock, of short duration parking, charging etc..That is, it is logical that lamp controller can be triggered when meeting above-mentioned lamp effect trigger condition
Cross communication instruction control lamp demonstration lighting effects.
Alternatively, before executing step 501 following steps can also be executed:
Lamp controller detects whether to receive the second trigger signal, if so, executing step 501；Wherein, the second triggering
Signal is the signal generated in response to the pedestrian position or gesture of peripheral vehicle.Specifically, can be by being arranged on automobile
The sensors detection peripheral vehicle such as camera, radar pedestrian position or gesture, the range that limits of peripheral vehicle is to image
The measurement range of the sensors such as head, radar.That is, when there is pedestrian in peripheral vehicle or the pedestrian of peripheral vehicle move
When dynamic, lamp controller can be triggered by communication instruction and control lamp demonstration lighting effects；In addition it is also possible to be touched by gesture
It sends out lamp controller and lamp demonstration lighting effects is controlled by communication instruction；
Alternatively, before executing step 501 following steps can also be executed:
Lamp controller detects whether to receive third trigger signal, if so, executing step 501；Wherein, third triggers
Signal is the signal generated in response to another vehicle identical with the brand of automobile.That is, automobile and another vehicle into
When row linkage, lamp controller can be triggered by communication instruction and control lamp demonstration lighting effects.
502, lamps and lanterns inquire corresponding target lamp according to target pattern mark and imitate mode, and hold under target lamp effect mode
The corresponding target instantaneous state of row object time.
In embodiments of the present invention, lamp controller can by the content that multiple communication instructions that the period sends to lamps and lanterns include
To include following situations: different moments of identical lamp effect mode, identical lamp effect mode phase in the same time, the phase of different lamps effect modes
In the same time and the different moments of different lamp effect.For example, if the content that multiple communication instructions include is that identical lamp imitates mould
The different moments of formula, lamp controller are respectively as follows: Mode1_Tick1, Mode1_ by multiple communication instructions that the period sends
Tick2, Mode1_Tick3 ... Mode1_Tick62, above-mentioned left side headlight, right side headlight and intermediate headlight can execute
Lamp as shown in Figure 3 imitates mode；If the content that multiple communication instructions include is the different moments of different lamps effect, lamp controller
It is respectively as follows: Mode1_Tick3, Mode2_Tick1, Mode5_Tick6 by multiple communication instructions that the period sends ....As it can be seen that
Implement the means of communication, permutation and combination can be carried out to the lighting effects under different lamp light modes by less data amount, no
It is only limited to the lamp effect mode that lamps and lanterns have been stored in advance.
If 503, lamps and lanterns are passed by receiving car body controller during CAN communication by rigid line in lamp controller
The CAN communication of defeated control signal, control and lamp controller stops and executes the state of control signal designation.
In the present invention is implemented, lamp controller is higher than by the control priority class of traffic of hard-wire transfer and passes through CAN communication
The communication instruction of transmission.Car body controller can be used for controlling the base lighting function of vehicle, including the preceding photograph in external lights
Lamp, turn signal, front and back fog lamp, driving lamp, back-up lamp, Brake lamp etc..Car body controller is used by the control signal of hard-wire transfer
All kinds of light flickers in control said external light.Therefore, if lamps and lanterns connect during communicating with lamp controller
The control signal of car body controller transmission is received, stops the lighting effects of lamp dimmer control, switches to car body controller control
The base lighting function of system, with guarantee driving safety.
As it can be seen that implement the means of communication applied to vehicular lamp system as shown in Figure 5, can be based on lamp controller with
And the CAN communication between lamps and lanterns, by way of sending target pattern mark and object time, with less transmitted data amount
The permutation and combination for realizing different lighting effects is not limited solely to the lamp effect mode that lamps and lanterns have been stored in advance.In addition, shown in Fig. 5
In the means of communication, car body controller is higher than lamp controller by the control priority class of traffic of hard-wire transfer and is passed by CAN communication
Defeated communication instruction can improve traffic safety with the base lighting function of support vehicles.Further, lamps and lanterns and lamps and lanterns control
Privately owned CAN communication is used between device, can be with the network load rate in the public CAN network of vehicle, and improve lamp controller and lamp
Communication efficiency between tool；It further, can be logical using CAN-FD if lamp controller is communicated with single lamp grain
News, to meet data transmission ground synchronism.
Embodiment three
It is a kind of structural schematic diagram of vehicular lamp system publicly of the embodiment of the present invention please continue to refer to Fig. 4, Fig. 4.Such as
Shown in Fig. 4, which includes:
Lamp controller 101 and lamps and lanterns 102；Wherein, interior in lamps and lanterns 102 to can integrate CAN communication module, and be stored with
Lamp imitates mode dictionary, and lamp effect mode dictionary includes lamp effect mode several different, and each lamp effect mode may include the lamps and lanterns
In corresponding instantaneous state of each moment, and each lamp effect mode has unique pattern identification；Lamp controller 101 and lamp
Tool 102 is connected by CAN communication；
Lamp controller 101, for sending communication instruction to lamps and lanterns by CAN communication；It include target mould in communication instruction
Formula mark and object time, target pattern mark are any one in the lamp effect mode several different of the storage of lamps and lanterns 102
The mark of target lamp effect mode；
Lamps and lanterns 102 imitate mode for inquiring corresponding target lamp according to target pattern mark, and imitate mode in target lamp
Lower performance objective moment corresponding target instantaneous state.
Optionally, lamp controller 101 specifically can send communication instruction to lamps and lanterns by CAN communication by the setting period,
By repeatedly sending different communication instructions, can with the corresponding instantaneous state of Fast transforms lamps and lanterns, different lamp effect modes it
Between carry out permutation and combination, be not limited solely to lamps and lanterns 102 storage lamp light mode.It is further alternative, lamp controller 101 and lamps and lanterns
Communication between 102 is specifically as follows privately owned CAN communication, so as to reduce the network load rate in the public CAN network of vehicle,
Improve the communication efficiency between lamp controller and lamps and lanterns.
In addition, above-mentioned lamps and lanterns 102 can be single lamp grain, or combined by the lamp grain that multiple lamp grains form.Make
For a kind of optional embodiment, when 102 single lamp grain of lamps and lanterns, the CAN communication between lamps and lanterns control 101 and lamps and lanterns 102 has
Body can communicate for CAN-FD.
Further optional, automobile lighting system shown in Fig. 4 can also include:
The car body controller 103 being connect by rigid line with lamps and lanterns 102；
Above-mentioned car body controller 103, for sending control signal to lamps and lanterns 102 by rigid line；
Correspondingly, above-mentioned lamps and lanterns 102, if being also used to receive during with lamp controller 101 by CAN communication
Pass through the control signal of hard-wire transfer to car body controller 103, control and the CAN communication of lamp controller 101 stop, and execute
Control the state of signal designation.That is, the control priority class of traffic that car body controller 103 is sent is higher than lamp controller
101 communication instructions sent improve traffic safety so as to the base lighting function of support vehicles.
As an alternative embodiment, above-mentioned lamp controller 103, can be also used for by CAN communication to
It before lamps and lanterns send communication instruction, detects whether to receive the first trigger signal, passes through CAN communication to lamps and lanterns if so, executing
Send the operation of communication instruction；Wherein, the first trigger signal is used to indicate vehicle condition and meets preset lamp effect trigger condition, lamp
Effect trigger condition can include but is not limited to: car locking, unlock, of short duration parking, charging etc.；That is, when meeting above-mentioned lamp
When imitating trigger condition, lamp controller can be triggered by communication instruction and control lamp demonstration lighting effects.
Alternatively, lamp controller 103, can be also used for before sending communication instruction to lamps and lanterns by CAN communication, detection
Whether second trigger signal is received, if so, executing the operation for sending communication instruction to lamps and lanterns by CAN communication；Wherein,
Two trigger signals are the signal generated in response to the pedestrian position or gesture of peripheral vehicle.Peripheral vehicle limits range to take the photograph
As the measurement range of the sensors such as head, radar.That is, when there is pedestrian in peripheral vehicle or the pedestrian of peripheral vehicle
When mobile, lamp controller can be triggered by communication instruction and control lamp demonstration lighting effects；In addition it is also possible to pass through gesture
It triggers lamp controller and lamp demonstration lighting effects is controlled by communication instruction.
Alternatively, lamp controller 103, can be also used for before sending communication instruction to lamps and lanterns by CAN communication, detection
Whether third trigger signal is received, if so, executing the operation for sending communication instruction to lamps and lanterns by CAN communication；Wherein,
Three trigger signals are the signal generated in response to another vehicle identical with the brand of automobile.That is, automobile with it is another
When vehicle is linked, lamp controller can be triggered by communication instruction and control lamp demonstration lighting effects.
In addition, vehicular lamp system shown in Fig. 4 can also include that gateway 104 and photographic device (not shown) control
Device, middle control interactive device etc.；Gateway 104 is used for other of car body controller 103 and lamp controller 104 and automobile control
Device (such as photographic device controller, middle control interactive device) is attached, with car body controller 103, lamp controller 104 with
And carry out data transmission between other controllers.
As it can be seen that implementing vehicular lamp system as shown in Figure 4, it is possible to reduce communicate required data volume, improve communication effect
Rate improves real-time, so as to build the dynamic light effect of complicated smoothness.
The embodiment of the present invention discloses a kind of computer readable storage medium, stores computer program, wherein the computer
Program makes computer execute any means of communication applied to vehicular lamp system of Fig. 2 or shown in fig. 5.
The embodiment of the present invention discloses a kind of computer program product, which includes storing computer journey
The non-transient computer readable storage medium of sequence, and the computer program is operable to execute computer shown in Fig. 2 or Fig. 5
Any means of communication applied to vehicular lamp system.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is related with embodiment
A particular feature, structure, or characteristic is included at least one embodiment of the present invention.Therefore, occur everywhere in the whole instruction
" in one embodiment " or " in one embodiment " not necessarily refer to identical embodiment.In addition, these special characteristics, structure
Or characteristic can combine in any suitable manner in one or more embodiments.Those skilled in the art should also know that
Embodiment described in this description belongs to alternative embodiment, and not necessarily the present invention must for related actions and modules
Must.
In various embodiments of the present invention, it should be appreciated that magnitude of the sequence numbers of the above procedures are not meant to execute suitable
Successively, the execution sequence of each process should be determined by its function and internal logic the certainty of sequence, without coping with the embodiment of the present invention
Implementation process constitutes any restriction.
Above-mentioned unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be object unit, can be in one place, or may be distributed over multiple networks
On unit.Some or all of units can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
In addition, each functional unit in various embodiments of the present invention can integrate in one processing unit, it is also possible to
Each unit physically exists alone, and can also be integrated in one unit with two or more units.Above-mentioned integrated unit
Both it can take the form of hardware realization, can also realize in the form of software functional units.
If above-mentioned integrated unit is realized in the form of SFU software functional unit and when sold or used as an independent product,
It can store in a retrievable memory of computer.Based on this understanding, technical solution of the present invention substantially or
Person says all or part of of the part that contributes to existing technology or the technical solution, can be in the form of software products
It embodies, which is stored in a memory, including several requests are with so that a computer is set
Standby (can be personal computer, server or network equipment etc., specifically can be the processor in computer equipment) executes
Some or all of each embodiment above method of the invention step.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium include read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory,
RAM), programmable read only memory (Programmable Read-only Memory, PROM), erasable programmable is read-only deposits
Reservoir (Erasable Programmable Read Only Memory, EPROM), disposable programmable read-only memory (One-
Time Programmable Read-Only Memory, OTPROM), the electronics formula of erasing can make carbon copies read-only memory
(Electrically-Erasable Programmable Read-Only Memory, EEPROM), CD-ROM
(Compact Disc Read-Only Memory, CD-ROM) or other disc memories, magnetic disk storage, magnetic tape storage,
Or it can be used in any other computer-readable medium of carrying or storing data.
Above to a kind of means of communication and automobile lamp system applied to vehicular lamp system disclosed by the embodiments of the present invention
System is described in detail, and used herein a specific example illustrates the principle and implementation of the invention, above
The explanation of embodiment is merely used to help understand method and its core concept of the invention.Meanwhile for the general skill of this field
Art personnel, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this
Description should not be construed as limiting the invention.
Claims (16)
1. a kind of means of communication applied to vehicular lamp system, which is characterized in that the vehicular lamp system include: lamps and lanterns with
And the lamp controller being connect with the lamps and lanterns by CAN communication；Wherein, CAN communication module is integrated simultaneously in each lamps and lanterns
It is stored with lamp effect mode dictionary, the lamp effect mode dictionary includes lamp effect mode several different, and each lamp effect mode includes
The lamps and lanterns are in corresponding instantaneous state of each moment, and each lamp effect mode has unique pattern identification；The method
Include:
The lamp controller sends communication instruction to the lamps and lanterns by CAN communication；The communication instruction includes target pattern
Mark and object time；The target pattern mark is the target lamp effect mode in the lamp effect mode several different
Mark；
The lamps and lanterns inquire the corresponding target lamp according to target pattern mark and imitate mode, and imitate in the target lamp
The corresponding target instantaneous state of the object time is executed under mode.
2. the method according to claim 1, wherein the lamp controller passes through CAN communication to the lamps and lanterns
Send communication instruction, comprising:
The lamp controller sends communication instruction to the lamps and lanterns by CAN communication by the setting period.
3. according to the method described in claim 2, it is characterized in that, the CAN communication is privately owned CAN communication.
4. according to the method described in claim 2, it is characterized in that, the CAN communication is when the lamps and lanterns are single lamp grain
CAN-FD communication.
5. the method according to claim 1, wherein the lamps and lanterns are connect with car body controller by rigid line；Institute
State method further include:
If the lamps and lanterns with the lamp controller by receiving the car body controller during CAN communication being passed through
The control signal of hard-wire transfer, the control CAN communication with the lamp controller stop and execute the control signal referring to
The state shown.
6. described in any item methods according to claim 1~5, which is characterized in that pass through CAN communication in the lamp controller
Before sending communication instruction to the lamps and lanterns, the method also includes:
The lamp controller detects whether to receive the first trigger signal, if so, the lamp controller executes described lead to
Cross the step of CAN communication sends communication instruction to the lamps and lanterns；First trigger signal is used to indicate vehicle condition and meets in advance
If lamp imitate trigger condition.
7. described in any item methods according to claim 1~5, which is characterized in that pass through CAN communication in the lamp controller
Before sending communication instruction to the lamps and lanterns, the method also includes:
The lamp controller detects whether to receive the second trigger signal, if so, the lamp controller executes described lead to
Cross the step of CAN communication sends communication instruction to the lamps and lanterns；Second trigger signal is the pedestrian in response to peripheral vehicle
The signal that position or gesture generate.
8. described in any item methods according to claim 1~5, which is characterized in that pass through CAN communication in the lamp controller
Before sending communication instruction to the lamps and lanterns, the method also includes:
The lamp controller detects whether to receive third trigger signal, if so, the lamp controller executes described lead to
Cross the step of CAN communication sends communication instruction to the lamps and lanterns；The third trigger signal is in response to the product with the automobile
The signal that the identical another vehicle of board generates.
9. a kind of vehicular lamp system characterized by comprising lamps and lanterns and the lamp being connect with the lamps and lanterns by CAN communication
Has controller；Wherein, CAN communication module is integrated in each lamps and lanterns and is stored with lamp effect mode dictionary, and the lamp imitates mode
Dictionary includes lamp effect mode several different, and each lamp effect mode includes the lamps and lanterns in corresponding instantaneous shape of each moment
State, and each lamp effect mode has unique pattern identification；
The lamp controller, for sending communication instruction to the lamps and lanterns by CAN communication；The communication instruction includes target
Pattern identification and object time；The target pattern mark is the target lamp effect mould in the lamp effect mode several different
The mark of formula；
The lamps and lanterns imitate mode for inquiring the corresponding target lamp according to target pattern mark, and in the mesh
The corresponding target instantaneous state of the object time is executed under beacon light effect mode.
10. system according to claim 9, it is characterised in that:
The lamp controller is specifically used for sending communication instruction to the lamps and lanterns by CAN communication by the setting period.
11. system according to claim 10, it is characterised in that: the CAN communication is privately owned CAN communication.
12. system according to claim 10, it is characterised in that: the lamps and lanterns are single lamp grain, and the CAN communication is
CAN-FD communication.
13. system according to claim 9, which is characterized in that the system also includes:
Car body controller, the car body controller are connect with the lamps and lanterns by rigid line；
And the lamps and lanterns, be also used to the lamp controller by receiving the vehicle body control during CAN communication
When device processed passes through the control signal of hard-wire transfer, the control CAN communication with the lamp controller stops and executes described
Control the state of signal designation.
14. according to the described in any item systems of claim 9~13, it is characterised in that:
The lamp controller is also used to before sending communication instruction to the lamps and lanterns by CAN communication, detects whether to receive
To the first trigger signal, if so, executing the operation for sending communication instruction to the lamps and lanterns by CAN communication；Described
One trigger signal is used to indicate vehicle condition and meets preset lamp effect trigger condition.
15. according to the described in any item systems of claim 9~13, it is characterised in that: the lamp controller is also used to logical
Cross CAN communication to the lamps and lanterns send communication instruction before, detect whether to receive the second trigger signal, if so, execute institute
State the operation for sending communication instruction to the lamps and lanterns by CAN communication；Second trigger signal is in response to peripheral vehicle
The signal that pedestrian position or gesture generate.
16. according to the described in any item systems of claim 9~13, it is characterised in that:
The lamp controller is also used to before sending communication instruction to the lamps and lanterns by CAN communication, detects whether to receive
To third trigger signal, if so, executing the operation for sending communication instruction to the lamps and lanterns by CAN communication；Described
Three trigger signals are the signal generated in response to another vehicle identical with the brand of the automobile.
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| CN201910267507.6A CN110049115A (en) | 2019-04-03 | 2019-04-03 | A kind of means of communication and vehicular lamp system applied to vehicular lamp system |
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