CN105818737B - Backlight regulating system, method and the automobile of automobile - Google Patents
Backlight regulating system, method and the automobile of automobile Download PDFInfo
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- CN105818737B CN105818737B CN201610159221.2A CN201610159221A CN105818737B CN 105818737 B CN105818737 B CN 105818737B CN 201610159221 A CN201610159221 A CN 201610159221A CN 105818737 B CN105818737 B CN 105818737B
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Abstract
The invention discloses a kind of backlight regulating system of automobile, method and automobile, which includes：Backlight regulating switch, for exporting backlight illumination signal according to the instruction of user；Instrument, instrument is connected with backlight regulating switch, and instrument is handled to generate backlight brightness values backlight illumination signal for acquiring backlight illumination signal, and the backlight illumination of itself is adjusted according to backlight brightness values, and backlight brightness values are sent to the CAN network of automobile；Car body controller, car body controller carries out CAN communication to receive backlight brightness values by CAN network and instrument, and generates backlight illumination Regulate signal according to backlight brightness values to adjust the backlight illumination of the backlight area of automobile.Backlight regulating system so that the adjusting of instrument backlight is more independent reliable, the backlight brightness values unified driving vehicle key-press backlight that car body controller is sent according to instrument so that it is synchronous and uniformly that vehicle key-press backlight lights scene, so that the user experience is improved.
Description
Technical field
The present invention relates to a kind of automobile technical field more particularly to backlight regulating system of automobile, method and automobiles.
Background technology
With automotive circuit diagram intelligent development, requirement of the user to the comfort degree of automobile is higher and higher, the vehicle back of the body
Organoleptic effects of the light in nighttime driving for driver are huge, therefore the backlight of comfortable safety adjusts ever more important.Wherein, vapour
Vehicle back light system generally includes instrument backlight, air-conditioning panel key-press backlight, audio-visual entertainment equipment panel button backlight and various opens
Close button backlight etc..
Instrument backlight is usually controlled by external controller in the related technology, but since the contextual model of instrument is more multiple
Miscellaneous, this control mode reliability is poor, in addition, the backlight of various functions module button is usually distinguished by function module on automobile
Driving, this makes vehicle key-press backlight light scene confusion, bad so as to cause user experience.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention
One purpose is to propose that a kind of backlight regulating system of automobile, the system make the adjusting of instrument backlight more independent reliable,
The backlight brightness values unified driving vehicle key-press backlight that car body controller is sent according to instrument so that vehicle key-press backlight lights feelings
Scape is synchronous and uniformly, to which the user experience is improved.
Second object of the present invention is to propose a kind of automobile.
Third object of the present invention is to propose a kind of backlight adjusting method of automobile.
In order to realize above-described embodiment, the backlight regulating system of the automobile of first aspect present invention embodiment, including：Backlight
Regulating switch, for exporting backlight illumination signal according to the instruction of user；Instrument, the instrument and the backlight regulating switch phase
Even, the instrument is for acquiring the backlight illumination signal, and is handled the backlight illumination signal bright to generate backlight
Angle value, and the backlight illumination of itself is adjusted according to the backlight brightness values, and the backlight brightness values are sent to the vapour
The CAN network of vehicle；Car body controller, the car body controller carry out CAN communication to connect by the CAN network and the instrument
The backlight brightness values are received, and backlight illumination Regulate signal is generated to adjust the backlight of the automobile according to the backlight brightness values
The backlight illumination in region.
The backlight of the backlight regulating system of automobile according to the ... of the embodiment of the present invention, the output of instrument to collect backlight regulating switch is bright
Signal is spent, and backlight illumination signal is handled to generate backlight brightness values, and is adjusted according to backlight brightness values and is carried on the body certainly
Backlight brightness values are also sent to car body controller by light, instrument by CAN network, and car body controller is adjusted according to backlight brightness values
Vehicle key-press backlight, by the system, user can be adjusted the backlight of automobile by backlight regulating switch, and instrument is according to obtaining
The backlight brightness values got adjust itself backlight so that the adjusting of instrument backlight is more independent reliable, and car body controller is according to instrument
The backlight brightness values unified driving vehicle key-press backlight that table is sent so that it is synchronous and uniformly that vehicle key-press backlight lights scene, from
And the user experience is improved.
In one embodiment of the invention, further include：Position lamp switch and position lamp, wherein the position lamp and institute
It states car body controller to be connected, and in parallel with the backlight regulating switch；The position lamp switch is connected with the car body controller,
When the position lamp switch is opened, the car body controller is lighted for controlling the position lamp, and is adjusted for the backlight
Switch power supply.
In one embodiment of the invention, the instrument is additionally operable to：It is generated when collecting the backlight illumination signal
Backlight useful signal, and the backlight useful signal is sent to the CAN network of the automobile, the instrument is not collecting institute
When stating backlight illumination signal or the gauge internal data processing occurs to generate backlight invalid signals when mistake, and by the backlight
Invalid signals are sent to the CAN network of the automobile.
In one embodiment of the invention, after the position lamp switch is opened, if car body controller receive it is described
Backlight invalid signals do not receive the signal that the instrument is sent in preset time, then are given birth to according to default backlight brightness values
At backlight illumination Regulate signal to adjust the backlight illumination of the backlight area of the automobile.
In one embodiment of the invention, the car body controller is generating backlight illumination according to the backlight brightness values
During backlight illumination of the Regulate signal to adjust the backlight area of the automobile, if the car body controller be lost it is described
Backlight brightness values receive the backlight invalid signals, then the backlight illumination holding for controlling the backlight area of the automobile is worked as
Preceding brightness value, until the backlight brightness values that the instrument is sent are closed or received to the position lamp switch.
In order to realize that above-described embodiment, the automobile of second aspect of the present invention embodiment, including first aspect present invention are implemented
The backlight regulating system of example.
Automobile according to the ... of the embodiment of the present invention, due to being provided with the backlight regulating system, user can be adjusted by backlight and be opened
The backlight of automobile is adjusted in pass, and instrument adjusts itself backlight according to the backlight brightness values got so that instrument backlight
Adjust more independent reliable, the backlight brightness values unified driving vehicle key-press backlight that car body controller is sent according to instrument so that
It is synchronous and uniformly that vehicle key-press backlight lights scene, to which the user experience is improved.
In order to realize above-described embodiment, the backlight adjusting method of the automobile of third aspect present invention embodiment, the automobile
Including backlight regulating switch, instrument and car body controller, the backlight regulating switch is connected with the instrument, the Body Control
Device is connected by the CAN network of the automobile with the instrument, and the backlight adjusting method includes the following steps：The automobile
Backlight regulating switch exports backlight illumination signal according to the instruction of user；Backlight illumination signal described in the instrument to collect, and it is right
The backlight illumination signal is handled to generate backlight brightness values；The instrument adjusts itself according to the backlight brightness values
Backlight illumination, and the backlight brightness values are sent to the CAN network of the automobile；Car body controller passes through the CAN network
CAN communication is carried out to receive the backlight brightness values with the instrument, and generates backlight illumination tune according to the backlight brightness values
Signal is saved to adjust the backlight illumination of the backlight area of the automobile.
The backlight of the backlight adjusting method of automobile according to the ... of the embodiment of the present invention, the output of instrument to collect backlight regulating switch is bright
Signal is spent, and backlight illumination signal is handled to generate backlight brightness values, and is adjusted according to backlight brightness values and is carried on the body certainly
Backlight brightness values are also sent to car body controller by light, instrument by CAN network, and car body controller is adjusted according to backlight brightness values
Vehicle key-press backlight, in this way, user can be adjusted the backlight of automobile by backlight regulating switch, instrument is according to obtaining
The backlight brightness values got adjust itself backlight so that the adjusting of instrument backlight is more independent reliable, and car body controller is according to instrument
The backlight brightness values unified driving vehicle key-press backlight that table is sent so that it is synchronous and uniformly that vehicle key-press backlight lights scene, from
And the user experience is improved.
In one embodiment of the invention, further include：The instrument is generated when collecting the backlight illumination signal
Backlight useful signal, and the backlight useful signal is sent to the CAN network of the automobile；The instrument is not collecting institute
When stating backlight illumination signal or the gauge internal data processing occurs to generate backlight invalid signals when mistake, and by the backlight
Invalid signals are sent to the CAN network of the automobile.
In one embodiment of the invention, the automobile further includes the position lamp switch being connected with the car body controller
And position lamp, the position lamp is in parallel with the backlight regulating switch, when the position lamp switch is opened, the Body Control
Device is controlled while the position lamp is lighted and is powered for the backlight regulating switch, and the backlight adjusting method further includes：Work as institute
After rheme sets lamp switch opening, if car body controller receives the backlight invalid signals or is not received in preset time
The signal that the instrument is sent then generates backlight illumination Regulate signal to adjust the back of the body of the automobile according to default backlight brightness values
The backlight illumination in light region.
In one embodiment of the invention, the automobile further includes the position lamp switch being connected with the car body controller
And position lamp, the position lamp is in parallel with the backlight regulating switch, when the position lamp switch is opened, the Body Control
Device is controlled while the position lamp is lighted and is powered for the backlight regulating switch, and the backlight adjusting method further includes：It is described
Car body controller is generating backlight illumination Regulate signal to adjust the backlight area of the automobile according to the backlight brightness values
During backlight illumination, believe in vain if the car body controller is lost the backlight brightness values or receives the backlight
Number, then control the backlight area of the automobile backlight illumination keep present intensity value, until the position lamp switch close or
Receive the backlight brightness values that the instrument is sent.
Description of the drawings
Fig. 1 is the block diagram of the backlight regulating system of automobile according to an embodiment of the invention；
Fig. 2 is the block diagram of the backlight regulating system of automobile accord to a specific embodiment of that present invention；
Fig. 3 is the flow chart of the backlight adjusting method of automobile according to an embodiment of the invention；
Fig. 4 is the flow chart of the backlight adjusting method of automobile accord to a specific embodiment of that present invention.
Reference numeral：
Backlight regulating system 100, backlight regulating switch 10, instrument 20, car body controller 30, position lamp switch 40, position
Lamp 50 and backlight area 60.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the backlight adjusting of the backlight regulating system, automobile and automobile of the automobile of the embodiment of the present invention is described
Method.
Fig. 1 is the block diagram of the backlight regulating system of automobile according to an embodiment of the invention.As shown in Figure 1,
The backlight regulating system 100 of the automobile of the embodiment of the present invention, including：Backlight regulating switch 10, instrument 20 and car body controller 30.
Wherein, backlight regulating switch 10 is used to export backlight illumination signal according to the instruction of user.
In one embodiment of the invention, as shown in Fig. 2, the backlight regulating system of automobile further includes：Position lamp switch
40 and position lamp 50.Wherein, position lamp is connected with 50 car body controllers 30, and in parallel with backlight regulating switch 10；Position lamp is opened
40 are closed with car body controller 30 to be connected, when position lamp switch 40 is opened, car body controller 30 is lighted for controlling position lamp 50,
And it powers for backlight regulating switch 10.
Specifically, position lamp switch 40 is connect with car body controller 30 by rigid line, when position lamp switch 40 is opened, vehicle
Body controller 30 will collect that position lamp switch 40 is effective by rigid line, car body controller 30 by start automobile backlight (including
The backlight of the backlight of instrument and various buttons).Backlight regulating switch 10 is in parallel with position lamp 50, when position lamp switch 40 is opened
When, give backlight regulating switch 10 to provide power supply while 30 turned-on position lamp 50 of car body controller.That is, when position lamp is beaten
When opening, meeting backlight open condition, backlight regulating switch can just work, and the judgement step whether backlight regulating switch works is omitted
Suddenly, control is simplified.
Further, user can need to operate backlight regulating switch 10 to adjust the backlight of automobile according to oneself.The back of the body
Light regulating switch 10 then exports backlight illumination signal according to the instruction of user, i.e., exports corresponding PWM value according to the instruction of user.
Instrument 20 is connected with backlight regulating switch 10, and instrument 20 is believed for acquiring backlight illumination signal, and to backlight illumination
It number is handled to generate backlight brightness values, and adjusts the backlight illumination of itself according to backlight brightness values, and by backlight illumination
Value is sent to the CAN network of automobile.
Specifically, it is connected by rigid line between instrument 20 and backlight regulating switch 10, instrument 20 acquires backlight regulating switch
The backlight illumination signal (PWM value exported) of 10 outputs, and collected backlight illumination information is handled to be carried on the back
Brightness values, and backlight brightness values are sent in the CAN network of automobile, to be supplied to car body controller 30.Due to instrument 20
Contextual model is complicated, more independent reliable by its own adjusting backlight, so, instrument 20 is adjusted certainly according further to the backlight brightness values
The backlight of body.In some backlight control schemes in the related art, instrument 20 is controlled by car body controller 30, once vehicle body control
Device 30 processed breaks down or the connection failure of car body controller 30 and instrument 20, the backlight of instrument will be affected,
And displayed information is important in instrument, therefore, control mode in the related technology is easy to cause security risk.And
The backlight of instrument 20 in the embodiment of the present invention is controlled by itself, and then improves the reliability of control.
In one embodiment of the invention, it is effective to be additionally operable to the generation backlight when collecting backlight illumination signal for instrument 20
Signal, and backlight useful signal is sent to the CAN network of automobile, instrument is when not collecting backlight illumination signal or in instrument
Portion's data processing occurs to generate backlight invalid signals when mistake, and backlight invalid signals are sent to the CAN network of automobile.
Specifically, instrument 20 generates backlight useful signal when collecting backlight illumination signal, and by backlight useful signal
(e.g., DATA_VALID_RHEOSTAT) and backlight brightness values are sent to the CAN network of automobile together；Instrument 20 is not collecting
When backlight illumination signal or gauge internal data processing occurs to generate backlight invalid signals when mistake, and by backlight invalid signals
(e.g., DATA_VALID_RHEOSTAT！==value ok) it is sent to the CAN network of automobile.
Car body controller 30 carries out CAN communication to receive backlight brightness values, and according to backlight by CAN network and instrument 20
Brightness value generates backlight illumination Regulate signal to adjust the backlight illumination of the backlight area of automobile.
In one embodiment of the invention, the backlight area 60 of automobile includes air-conditioning panel key-press backlight, audio-visual amusement
It is one or more in panel button backlight and window lifting switch key-press backlight.
Specifically, after car body controller 30 receives the backlight brightness values that instrument 20 is sent by CAN network, pass through inside
Flash chip exports PWM value corresponding with backlight brightness values, and air-conditioning panel key-press backlight, audio-visual amusement face are lighted by rigid line
The backlight areas such as plate key-press backlight, window lifting switch key-press backlight.That is, 30 unified driving vehicle of car body controller is pressed
It is asynchronous to avoid backlight caused by each module respectively drives for key backlight so that vehicle key-press backlight lights scene synchronization and unites
One, to promote user experience.In addition, the backlight brightness values obtained after processing are sent to vehicle body by instrument 20 by CAN network
Controller 30 so that car body controller 30 no longer needs to individually handle backlight illumination signal, saves resource.
The processing strategy of car body controller 30 illustrates when below to breaking down, to ensure the stabilization of backlight adjusting
Property, and then ensure the normal use of user.
In one embodiment of the invention, after position lamp switch 40 is opened, if car body controller 30 receives backlight
Invalid signals or the signal for not receiving the transmission of instrument 20 in preset time then generate backlight according to default backlight brightness values
Brightness regulated signal is to adjust the backlight illumination of the backlight area of automobile.
For example, after position lamp switch 40 is opened, it is if instrument 20 detects that backlight brightness values are invalid, backlight is invalid
Signal is sent to the CAN network of automobile, and when car body controller 30 receives the backlight invalid signals, car body controller 30 will be according to
The acquiescence backlight values (for example, acquiescence backlight value be set to 50%) of setting themselves exports, i.e., car body controller 30 is according to default backlight
Brightness value generates backlight illumination Regulate signal to adjust the backlight illumination of the backlight area of automobile.
In another example after position lamp switch 40 is opened, if the time that instrument 20 loses communication with car body controller 30 is more than
Preset time (for example, 500ms), i.e. car body controller 30 do not receive the signal of the transmission of instrument 20, car body controller more than 500ms
30 export according to the acquiescence backlight value (for example, acquiescence backlight value is set to 50%) of setting themselves, i.e. 30 evidence of car body controller
Default backlight brightness values generate backlight illumination Regulate signal to adjust the backlight illumination of the backlight area of automobile.
In one embodiment of the invention, car body controller 30 is generating backlight illumination adjusting letter according to backlight brightness values
During backlight illumination number to adjust the backlight area of automobile, if car body controller 30 is lost backlight brightness values or connects
Backlight invalid signals are received, then the backlight illumination for controlling the backlight area of automobile keeps present intensity value, until position lamp switch
40 close or receive the backlight brightness values of the transmission of instrument 20.
For example, during 30 backlight of car body controller normally exports, the backlight signal of instrument 20, vehicle body control are lost suddenly
Device 30 processed will keep the output of current backlight value, until backlight closes (i.e. position lamp switch 40 is closed) or is received from CAN network
New effective backlight brightness values.For example the output of 30 current backlight value of car body controller is 10%, does not receive instrument suddenly at this time
The signal that table 20 is sent, then car body controller 30 still maintains current output at this time, to meet user intention as possible.In turn
It says, if car body controller 30 exports (for example, 50%) according to acquiescence backlight value at this time, will appear the mutation of automobile backlight illumination
The problem of, and the amplitude for deviateing user setting is excessive, influences user experience.
In another example during 30 backlight of car body controller normally exports, if car body controller 30 has received backlight
Invalid signals："DATA_VALID_RHEOSTAT！==value ok ", car body controller 30 then keep current backlight value to export,
Until backlight closes (i.e. position lamp switch 40 is closed) or receives new effective backlight brightness values from CAN network.
The backlight regulating system of the automobile of the embodiment of the present invention, the backlight illumination letter of instrument to collect backlight regulating switch output
Number, and backlight illumination signal is handled to generate backlight brightness values, and adjust itself backlight, instrument according to backlight brightness values
Backlight brightness values are also sent to car body controller by table by CAN network, and car body controller adjusts vehicle according to backlight brightness values
Key-press backlight, by the system, user can be adjusted the backlight of automobile by backlight regulating switch, and instrument is according to getting
Backlight brightness values adjust itself backlight so that the adjusting of instrument backlight is more independent reliable, and car body controller is sent out according to instrument
The backlight brightness values unified driving vehicle key-press backlight sent so that it is synchronous and uniformly that vehicle key-press backlight lights scene, to carry
User experience is risen.
In order to realize above-described embodiment, the invention also provides a kind of automobiles.The automobile includes the back of the body of the embodiment of the present invention
Light regulating system 100.
The automobile of the embodiment of the present invention, due to being provided with the backlight regulating system, user can pass through backlight regulating switch pair
The backlight of automobile is adjusted, and instrument adjusts itself backlight according to the backlight brightness values got so that the adjusting of instrument backlight
It is more independent reliable, the backlight brightness values unified driving vehicle key-press backlight that car body controller is sent according to instrument so that vehicle
It is synchronous and uniformly that key-press backlight lights scene, to which the user experience is improved.
Based on the backlight regulating system of the automobile in above-described embodiment, the present invention proposes a kind of backlight adjusting side of automobile
Method.
Fig. 3 is the flow chart of the backlight adjusting method of automobile according to an embodiment of the invention.As shown in figure 3, this hair
The backlight adjusting method of the automobile of bright embodiment, includes the following steps：
The backlight regulating switch of S1, automobile export backlight illumination signal according to the instruction of user.
In one embodiment of the invention, before step S1, including：When the position lamp switch of automobile is opened, vehicle
Body controller control position lamp is lighted, and is powered for backlight regulating switch.
Specifically, position lamp switch is connect with car body controller by rigid line, when position lamp switch is opened, Body Control
Device will collect that position lamp switch is effective by rigid line, car body controller by start automobile backlight (including the backlight of instrument and
The backlight of various buttons).Backlight regulating switch is in parallel with position lamp, and when position lamp switch is opened, car body controller lights position
While setting lamp power supply is provided to backlight regulating switch.
Further, user can need to operate backlight regulating switch to adjust the backlight of automobile according to oneself.Backlight
Regulating switch then exports backlight illumination signal according to the instruction of user, i.e., exports corresponding PWM value according to the instruction of user.
S2, instrument to collect backlight illumination signal, and backlight illumination signal is handled to generate backlight brightness values.
Specifically, it is connected by rigid line between instrument and backlight regulating switch, the output of instrument to collect backlight regulating switch
Backlight illumination signal (PWM value exported), and collected backlight illumination information is handled to obtain backlight brightness values.
S3, instrument adjust the backlight illumination of itself according to backlight brightness values, and backlight brightness values are sent to the CAN of automobile
Network.
Specifically, more independent reliable by its own adjusting backlight since instrument contextual model is complicated, so, instrument is pressed
The backlight of itself is adjusted according to the backlight brightness values.In addition, backlight brightness values are also sent in the CAN network of automobile by instrument, with
It is supplied to car body controller.
S4, car body controller carry out CAN communication to receive backlight brightness values, and according to backlight by CAN network and instrument
Brightness value generates backlight illumination Regulate signal to adjust the backlight illumination of the backlight area of automobile.
In one embodiment of the invention, the backlight area of automobile includes air-conditioning panel key-press backlight, audio-visual amusement face
It is one or more in plate key-press backlight and window lifting switch key-press backlight.
Specifically, after car body controller receives the backlight brightness values that instrument is sent by CAN network, pass through internal flash
Chip exports corresponding with backlight brightness values PWM value, by rigid line light air-conditioning panel key-press backlight, audio-visual amusement panel by
The backlight areas such as key backlight, window lifting switch key-press backlight.That is, car body controller unified driving vehicle button is carried on the back
It is asynchronous to avoid backlight caused by each module respectively drives for light so that and it is synchronous and uniformly that vehicle key-press backlight lights scene, from
And promote user experience.
In one embodiment of the invention, further include：It is effective that instrument generates backlight when collecting backlight illumination signal
Signal, and backlight useful signal is sent to the CAN network of automobile；Instrument is when not collecting backlight illumination signal or in instrument
Portion's data processing occurs to generate backlight invalid signals when mistake, and backlight invalid signals are sent to the CAN network of automobile.
Specifically, instrument generates backlight useful signal when collecting backlight illumination signal, and by backlight useful signal
(e.g., DATA_VALID_RHEOSTAT) and backlight brightness values are sent to the CAN network of automobile together；Instrument is not collecting the back of the body
When brightness signal or gauge internal data processing occurs to generate backlight invalid signals when mistake, and (e.g., by backlight invalid signals
DATA_VALID_RHEOSTAT！==value ok) it is sent to the CAN network of automobile.
In one embodiment of the invention, further include：After position lamp switch is opened, if car body controller receives the back of the body
Light invalid signals or the signal for not receiving instrument transmission in preset time then generate backlight according to default backlight brightness values
Brightness regulated signal is to adjust the backlight illumination of the backlight area of automobile.
For example, after position lamp switch is opened, if instrument detects that backlight brightness values are invalid, by backlight invalid signals
It is sent to the CAN network of automobile, when car body controller receives the backlight invalid signals, car body controller will be according to setting themselves
Acquiescence backlight value (for example, acquiescence backlight value be set to the 50% of backlight maximum value) export, i.e., car body controller is according to the default back of the body
Brightness values generate backlight illumination Regulate signal to adjust the backlight illumination of the backlight area of automobile.
In another example after position lamp switch is opened, if the time that instrument loses communication with car body controller is more than when presetting
Between (for example, 500ms), i.e., car body controller be more than 500ms do not receive instrument transmission signal, car body controller is then according to itself
The acquiescence backlight value (for example, acquiescence backlight value be set to the 50% of backlight maximum value) of setting exports, i.e., car body controller is according to pre-
If backlight brightness values generate backlight illumination Regulate signal to adjust the backlight illumination of the backlight area of automobile.
In one embodiment of the invention, further include：Car body controller is generating backlight illumination according to backlight brightness values
During backlight illumination of the Regulate signal to adjust the backlight area of automobile, if car body controller be lost backlight brightness values or
Person receives backlight invalid signals, then the backlight illumination for controlling the backlight area of automobile keeps present intensity value, until position lamp
The backlight brightness values of instrument transmission are closed or received to switch.
For example, during car body controller backlight normally exports, the backlight signal of instrument, car body controller are lost suddenly
The output of current backlight value will be kept, until backlight closes (i.e. position lamp switch closing) or is received from CAN network new effective
Backlight brightness values.
In another example during car body controller backlight normally exports, if to have received backlight invalid for car body controller
Signal："DATA_VALID_RHEOSTAT！==value ok ", car body controller then keep current backlight value to export, until the back of the body
Light closes (i.e. position lamp switch is closed) or receives new effective backlight brightness values from CAN network.
The backlight adjusting method of the automobile of the embodiment of the present invention gives phase when the back light system of automobile breaks down
The troubleshooting strategy answered to ensure the stability of backlight adjusting, and then ensures the normal use of user.
Fig. 4 is the flow chart of the backlight adjusting method of automobile accord to a specific embodiment of that present invention.As shown in figure 4,
The backlight adjusting method, includes the following steps：
S101, position lamp switch are opened.
S102, car body controller provide power supply for backlight regulating switch.
Wherein, backlight regulating switch is in parallel with position lamp, and car body controller is backlight while controlling position lamp and lighting
Regulating switch is powered.Car body controller is backlight regulating switch output backlight illumination signal after the power supply of backlight regulating switch.
S103, instrument obtain the backlight brightness values of backlight illumination regulating switch output, light itself backlight.
Specifically, instrument handles the backlight illumination signal that backlight regulating switch exports, to obtain backlight brightness values,
And light itself backlight according to the backlight brightness values.
Collected backlight brightness values are sent in CAN network by S104, instrument.
Specifically, after the backlight illumination signal that instrument to collect is exported to brightness regulating switch, by processing, if being had
Backlight useful signal and backlight brightness values are then sent collectively in CAN network by the backlight brightness values of effect.If instrument does not acquire
The backlight illumination signal exported to brightness regulating switch, or collected backlight illumination signal but because internal data is handled out
The reasons such as mistake lead to that effective backlight brightness values cannot be obtained, and backlight invalid signals are then sent in CAN network by instrument.
S105, car body controller judge whether to receive the signal of instrument transmission？If S106 is then being executed, if it is not, then
Execute S107.
S106, car body controller judge that CAN signal is effective？If having received backlight useful signal and backlight brightness values,
S108 is then executed, if receiving backlight invalid signals, executes S109.
S107, car body controller are more than that 500ms does not receive CAN signal.S110 is executed after having executed S107.
S108 is normally lighted according to the backlight brightness values control vehicle key-press backlight received.
If follow-up position lamp switch is closed, car body controller if, which controls, closes vehicle backlight.
S109, CAN signal is invalid, that is, has received backlight invalid signals.
S110, car body controller light vehicle key-press backlight according to the acquiescence backlight value of setting themselves.
If follow-up position lamp switch is closed, car body controller if, closes vehicle backlight.If car body controller receives again
Effective CAN signal (receiving backlight useful signal and backlight brightness values), then execute S108.
S111 executes S113 if car body controller is more than that 500ms does not receive CAN signal in ignition.
S112, if in ignition, CAN signal becomes invalid, then executes S113.
S113, car body controller keep the output of current backlight value.
If follow-up position lamp switch is closed, car body controller if, closes vehicle backlight.If car body controller receives again
Effective CAN signal, then execute S108.
The backlight adjusting method of the automobile of the embodiment of the present invention, the backlight illumination letter of instrument to collect backlight regulating switch output
Number, and backlight illumination signal is handled to generate backlight brightness values, and adjust itself backlight, instrument according to backlight brightness values
Backlight brightness values are also sent to car body controller by table by CAN network, and car body controller adjusts vehicle according to backlight brightness values
Key-press backlight, in this way, user can be adjusted the backlight of automobile by backlight regulating switch, instrument is according to getting
Backlight brightness values adjust itself backlight so that the adjusting of instrument backlight is more independent reliable, and car body controller is sent out according to instrument
The backlight brightness values unified driving vehicle key-press backlight sent so that it is synchronous and uniformly that vehicle key-press backlight lights scene, to carry
User experience is risen.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (7)
1. a kind of backlight regulating system of automobile, which is characterized in that including：
Backlight regulating switch, for exporting backlight illumination signal according to the instruction of user；
Instrument, the instrument are connected with the backlight regulating switch, and the instrument is used to acquire the backlight illumination signal, and right
The backlight illumination signal is handled to generate backlight brightness values, and the backlight of itself is adjusted according to the backlight brightness values
Brightness, and the backlight brightness values are sent to the CAN network of the automobile, wherein the instrument is additionally operable to do not collecting
When the backlight illumination signal or the gauge internal data processing occurs to generate backlight invalid signals when mistake, and by the back of the body
Light invalid signals are sent to the CAN network of the automobile；
Car body controller, the car body controller carry out CAN communication to receive the back of the body by the CAN network and the instrument
Brightness values, and backlight illumination Regulate signal is generated to adjust the back of the body of the backlight area of the automobile according to the backlight brightness values
Brightness；
Position lamp switch and position lamp, wherein the position lamp is connected with the car body controller, and is opened with backlight adjusting
Parallel connection is closed, the position lamp switch is connected with the car body controller, when the position lamp switch is opened, the Body Control
Device is lighted for controlling the position lamp, and is powered for the backlight regulating switch；
The car body controller is additionally operable to generating backlight illumination Regulate signal according to the backlight brightness values to adjust the vapour
During the backlight illumination of the backlight area of vehicle, if the car body controller is lost the backlight brightness values or receives
The backlight invalid signals, then the backlight illumination for controlling the backlight area of the automobile keeps present intensity value, until institute's rheme
It sets lamp switch and closes or receive the backlight brightness values that the instrument is sent.
2. the backlight regulating system of automobile as described in claim 1, which is characterized in that the instrument is additionally operable to：It is collecting
Backlight useful signal is generated when the backlight illumination signal, and the backlight useful signal is sent to the CAN nets of the automobile
Network.
3. the backlight regulating system of automobile as claimed in claim 2, which is characterized in that
After the position lamp switch is opened, if the car body controller receives the backlight invalid signals or when default
The interior signal for not receiving the instrument and sending, then generate backlight illumination Regulate signal to adjust according to default backlight brightness values
The backlight illumination of the backlight area of the automobile.
4. a kind of automobile, which is characterized in that including backlight regulating system as claimed in any one of claims 1-3.
5. a kind of backlight adjusting method of automobile, which is characterized in that the automobile includes backlight regulating switch, instrument, vehicle body control
Device processed and the position lamp switch and position lamp being connected with the car body controller, the backlight regulating switch and the instrument phase
Even, the car body controller is connected by the CAN network of the automobile with the instrument, and the position lamp is adjusted with the backlight
Switch in parallel, when the position lamp switch is opened, it is described that the car body controller, which controls while the position lamp is lighted,
Backlight regulating switch is powered, and the backlight adjusting method includes the following steps：
The backlight regulating switch of the automobile exports backlight illumination signal according to the instruction of user；
Backlight illumination signal described in the instrument to collect, and the backlight illumination signal is handled to generate backlight illumination
Value；
The instrument adjusts the backlight illumination of itself according to the backlight brightness values, and the backlight brightness values is sent to described
The CAN network of automobile, wherein the instrument is not when collecting the backlight illumination signal or the gauge internal data processing
Occur to generate backlight invalid signals when mistake, and the backlight invalid signals are sent to the CAN network of the automobile；
The car body controller carries out CAN communication to receive the backlight brightness values by the CAN network and the instrument, and
According to backlight brightness values generation backlight illumination Regulate signal to adjust the backlight illumination of the backlight area of the automobile,
In, the car body controller is generating backlight illumination Regulate signal to adjust the backlight of the automobile according to the backlight brightness values
During the backlight illumination in region, if the car body controller is lost the backlight brightness values or receives the backlight
Invalid signals, then the backlight illumination for controlling the backlight area of the automobile keeps present intensity value, until the position lamp switch
Close or receive the backlight brightness values that the instrument is sent.
6. the backlight adjusting method of automobile as claimed in claim 5, which is characterized in that further include：
The instrument generates backlight useful signal when collecting the backlight illumination signal, and the backlight useful signal is sent out
It send to the CAN network of the automobile.
7. the backlight adjusting method of automobile as claimed in claim 6, which is characterized in that further include：
After the position lamp switch is opened, if car body controller receives the backlight invalid signals or in preset time
Do not receive the signal that the instrument is sent, then it is described to adjust according to backlight brightness values generation backlight illumination Regulate signal is preset
The backlight illumination of the backlight area of automobile.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610159221.2A CN105818737B (en) | 2016-03-18 | 2016-03-18 | Backlight regulating system, method and the automobile of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610159221.2A CN105818737B (en) | 2016-03-18 | 2016-03-18 | Backlight regulating system, method and the automobile of automobile |
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| Publication Number | Publication Date |
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| CN105818737A CN105818737A (en) | 2016-08-03 |
| CN105818737B true CN105818737B (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610159221.2A Active CN105818737B (en) | 2016-03-18 | 2016-03-18 | Backlight regulating system, method and the automobile of automobile |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109094487A (en) * | 2018-09-28 | 2018-12-28 | 东南（福建）汽车工业有限公司 | A kind of the brightness of backlight regulating system and method for switch for vehicle |
| CN109285509A (en) * | 2018-11-29 | 2019-01-29 | 重庆长安汽车股份有限公司 | A kind of the display brightness control system and automobile of vehicle-carrying display screen |
| CN111312178B (en) * | 2018-12-11 | 2022-02-01 | 上海欧菲智能车联科技有限公司 | Backlight adjusting method and related equipment |
| CN110271420A (en) * | 2019-06-28 | 2019-09-24 | 马瑞利汽车电子(广州)有限公司 | A kind of automobile instrument display brightness switching device |
| CN112885305B (en) * | 2019-11-29 | 2022-07-19 | 长城汽车股份有限公司 | Vehicle backlight adjusting method, device and system |
| CN110969830A (en) * | 2019-11-29 | 2020-04-07 | 安徽江淮汽车集团股份有限公司 | Method and device for adjusting backlight of whole automobile and storage medium |
| CN112787651B (en) * | 2021-01-15 | 2024-03-26 | 奇瑞汽车股份有限公司 | Automobile combination switch, control system and method |
| CN113085724A (en) * | 2021-03-22 | 2021-07-09 | 江铃汽车股份有限公司 | Unified adjusting method for brightness of automobile background light |
| CN113306394A (en) * | 2021-05-26 | 2021-08-27 | 一汽奔腾轿车有限公司 | Capacitive touch type steering wheel switch backlight control system and control method |
| CN113483095B (en) * | 2021-06-29 | 2023-02-28 | 重庆长安汽车股份有限公司 | Automatic gear shifter control method, automatic gear shifter and automobile |
| CN114132273B (en) * | 2021-10-27 | 2024-02-27 | 江铃汽车股份有限公司 | Backlight brightness control method and system and automobile |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4622751B2 (en) * | 2005-09-02 | 2011-02-02 | 株式会社デンソー | Vehicle display device |
| JP5323132B2 (en) * | 2011-06-02 | 2013-10-23 | 本田技研工業株式会社 | Vehicle instrument |
| CN203402053U (en) * | 2013-07-17 | 2014-01-22 | 北京汽车股份有限公司 | Car interior backlight adjustment and control system and car |
| CN204124088U (en) * | 2014-09-03 | 2015-01-28 | 奇瑞汽车股份有限公司 | A kind of automobile backlight regulating system |
| CN204432511U (en) * | 2014-12-24 | 2015-07-01 | 北京汽车研究总院有限公司 | A kind of automobile backlight regulating system and automobile |
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2016
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