CN113382515A - Vehicle lamp control system and method and vehicle - Google Patents
Vehicle lamp control system and method and vehicle Download PDFInfo
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- CN113382515A CN113382515A CN202110604789.1A CN202110604789A CN113382515A CN 113382515 A CN113382515 A CN 113382515A CN 202110604789 A CN202110604789 A CN 202110604789A CN 113382515 A CN113382515 A CN 113382515A
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- position lamp
- vehicle
- lamp
- relay
- controller
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- 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
- H05B47/105—Controlling the light source in response to determined parameters
Abstract
The application discloses a vehicle and a lamp control system and method thereof, wherein the lamp control system comprises a controller, a front position lamp relay and a rear position lamp relay; the controller is in signal connection with a position lamp switch of the vehicle; the high side control end of the front position lamp relay and the high side control end of the rear position lamp relay are respectively connected with the positive electrode of a power supply of a vehicle, the low side control end of the front position lamp relay and the low side control end of the rear position lamp relay are respectively connected with the control signal output end of the controller, and the output end of the front position lamp relay and the output end of the rear position lamp relay are respectively connected with the front position lamp and the rear position lamp of the vehicle. This application carries out independent control with preceding position lamp and back position lamp, accords with GBT4785 standard regulation to export low level signal to the relay through central controller, supply with the power of storage battery to the position lamp by the output of relay again, avoided "drawing the arc" phenomenon, promoted the security of vehicle.
Description
Technical Field
The present application relates to the field of automotive technologies, and in particular, to a system and a method for controlling a lamp of a vehicle, and a vehicle.
Background
The automobile lamp is an important part of an automobile, for example, a brake lamp in the tail lamp is used for prompting a driver of a rear vehicle to pay attention to avoidance, a rear position lamp in the tail lamp is used for prompting the rear vehicle to pay attention to a front vehicle or prompting the width of the vehicle, and the automobile lamp plays an extremely important role in vehicle safety. The national relevant standards have strict regulations on lamps of automobiles, and detailed requirements on installation positions, colors, illumination, minimum geometric visibility and the like of lamps are made, so that one purpose is to standardize the universal standards of the lamps of the automobiles and improve the driving safety.
In order to adapt to the stricter laws and regulations in the automobile industry, the structure and the control method of the automobile lamp become more and more complex. Taking a position lamp as an example, a position lamp circuit in the prior art is shown in fig. 1, a rear position lamp is connected with other position lamps (for example, a front position lamp) in parallel, and after a position lamp switch is closed, the front position lamp and the rear position lamp are simultaneously turned on and off.
However, according to the current latest GBT4785 standard specification, the rear position lamp needs to be separated from other position lamps, and it is seen that the existing lamp circuit cannot meet the GBT4785 standard requirement; in addition, the existing position lamp is directly driven by a position lamp switch, the rated current of the position lamp is 10A or even higher, electric sparks, namely an arc discharge phenomenon, can be generated at the moment of switching on and off the position lamp switch, and potential safety hazards exist.
In addition, the existing lamp circuit can only realize lighting and extinguishing, no lamp state feedback exists, if the rear position lamp is damaged, a driver cannot timely master information, potential safety hazards exist, and if the position lamp is turned on by misoperation in daytime, the lamp can cause power shortage of a storage battery.
Disclosure of Invention
The application provides a lamps and lanterns control system, method and vehicle of vehicle, carries out independent control with preceding position lamp and back position lamp, accords with GBT4785 standard regulation to output low level signal to the relay through central controller, supply the power of storage battery to the position lamp by the output of relay again, avoided "drawing the arc" phenomenon, promoted the security of vehicle.
The application provides a vehicle lamp control system, which comprises a controller, a front position lamp relay and a rear position lamp relay;
the controller is in signal connection with a position lamp switch of the vehicle;
the high side control end of the front position lamp relay and the high side control end of the rear position lamp relay are respectively connected with the positive electrode of a power supply of a vehicle, the low side control end of the front position lamp relay and the low side control end of the rear position lamp relay are respectively connected with the control signal output end of the controller, and the output end of the front position lamp relay and the output end of the rear position lamp relay are respectively connected with the front position lamp and the rear position lamp of the vehicle.
Preferably, the luminaire control system further comprises at least one detector;
at least one detector is respectively connected with the controller through signals.
Preferably, the controller is in signal connection with a human-computer interaction component of the vehicle.
Preferably, the rear position light comprises an operating state detector in signal connection with the controller.
Preferably, the lamp control system further comprises an alarm, and the controller is in signal connection with the alarm.
The application provides a lamp control method for a vehicle, comprising the following steps:
receiving at least one detection signal;
judging whether the starting condition of the position lamp is met or not according to the detection signal;
if the position lamp starting condition is met and the position lamp starting signal and/or the position lamp starting signal of the human-computer interaction part of the vehicle are/is received, the low-side control end of the front position lamp relay and the low-side control end of the rear position lamp relay output low-level signals to enable the front position lamp and the rear position lamp of the vehicle to be started.
Preferably, the method further comprises the following steps:
receiving a rear position lamp state signal when a rear position lamp of the vehicle is in an on state;
and if the rear position lamp state signal is in an abnormal state, sending alarm information to an alarm.
Preferably, the method further comprises the following steps:
receiving at least one detection signal in a state that a rear position lamp and a front position lamp of a vehicle are turned on;
judging whether the starting condition of the position lamp is met or not according to the detection signal;
if the position lamp starting condition is not met, the low-side control end of the front position lamp relay and the low-side control end of the rear position lamp relay stop outputting low level signals, and the front position lamp and the rear position lamp of the vehicle are turned off.
Preferably, before receiving a position light turn-on signal of a human-computer interaction component of the vehicle, the information meeting or not meeting the position light turn-on condition is sent to the human-computer interaction component.
The application also provides a vehicle, which comprises the lamp control system of the vehicle; and/or the vehicle executes the vehicle lamp control method.
Further features of the present application and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which is to be read in connection with the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.
FIG. 1 is a circuit diagram of a lamp according to the prior art;
FIG. 2 is a schematic circuit diagram of a vehicle light control system provided herein;
fig. 3 is a flowchart of a lamp control method of a vehicle provided in the present application.
Detailed Description
Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
The application provides a lamps and lanterns control system, method and vehicle of vehicle, carries out independent control with preceding position lamp and back position lamp, accords with GBT4785 standard regulation to export low level signal to the relay through central controller, supply the power of storage battery to the position lamp by the output of relay again, avoided "drawing the arc" phenomenon, promoted the security of vehicle.
The present application provides a vehicle light fixture control system, as shown in fig. 2, the vehicle light fixture control system includes a controller, a front position light relay, a rear position light relay, and at least one detector.
At least one detector is respectively connected with the controller through signals. As an example, as shown in fig. 2, the at least one detector includes at least an ambient brightness detector, a door status detector, and a headlight status detector.
In the preferred embodiment, the controller judges whether the starting condition of the position lamp is met according to the received detection signal so as to determine whether the front position lamp and the rear position lamp are started.
The controller is in signal connection with a position lamp switch of the vehicle. The high side control end of the front position lamp relay and the high side control end of the rear position lamp relay are respectively connected with the positive electrode of a power supply of a vehicle, the low side control end of the front position lamp relay and the low side control end of the rear position lamp relay are respectively connected with the control signal output end of the controller, and the output end of the front position lamp relay and the output end of the rear position lamp relay are respectively connected with the front position lamp and the rear position lamp of the vehicle.
After the controller receives the position lamp starting signal of the position lamp switch, if the position lamp starting condition is met, the controller outputs low level signals to the low side control end of the front position lamp relay and the low side control end of the rear position lamp relay, so that the front position lamp and the rear position lamp of the vehicle are started. Such heavy current load of position lamp is driven to the relay by the low level control signal of controller output, supplies with the storage battery power by the output of relay position lamp again, and the position lamp switch has only undercurrent signal to the controller, consequently does not have "drawing the arc" phenomenon when closed, disconnection position lamp switch, has promoted the security.
Preferably, the controller is in signal connection with a human-machine interaction part (a voice input device or a display screen as shown in fig. 3) of the vehicle, and is used for inquiring the driver whether to turn on the position lamp or not, and turning on or not the position lamp according to an instruction made by the driver through the human-machine interaction part.
Preferably, the front position light and the rear position light each comprise an operating state detector, and the operating state detector is in signal connection with the controller. The working state detector is used for checking the working states of the front position lamp and the rear position lamp, and the working states comprise normal lighting, abnormal lighting or abnormal lighting.
The lamp control system further comprises an alarm, and the controller is in signal connection with the alarm.
If the controller receives the state information of abnormal lighting or abnormal lighting, the controller sends alarm information to the alarm to prompt a driver that the front position lamp or the rear position lamp fails.
As one embodiment, as shown in fig. 2, the controller includes a power module, a signal module, a control module, a human-computer interaction module, and an alarm module. The power module is used for getting electricity from a power supply of a vehicle. The signal module is used for receiving a detection signal of at least one detector. The control module is used for outputting low level signals to the low side control end of the front position lamp relay and the low side control end of the rear position lamp relay. The human-computer interaction module is used for interacting with a human-computer interaction part of the vehicle and inquiring whether a driver turns on the front position lamp and the rear position lamp or not. The alarm module is used for sending alarm information to the alarm to remind a driver
On the basis, the application provides a lamp control method of a vehicle, and the lamp control method is suitable for the controller. As shown in fig. 3, the luminaire control method includes:
s310: at least one detection signal is received. The at least one detection signal comprises at least an ambient brightness detection signal. It is understood that the at least one detection signal also comprises a headlight status signal.
S320: and judging whether the starting condition of the position lamp is met or not according to the detection signal. If yes, go to S330. Otherwise, return to S310.
As an embodiment, if the ambient brightness is less than the predetermined value and/or the headlight is turned on, it indicates that the driving environment is dark and the position light turn-on condition is met.
If the ambient brightness is greater than the preset value, the current day is indicated, and obviously, the position lamp does not need to be turned on at the moment, so that the turn-on condition of the position lamp is not met.
S330: and judging whether a position lamp starting signal of a position lamp switch and/or a position lamp starting signal of a human-computer interaction part of the vehicle is received or not. If yes, go to S340.
As an embodiment, on the basis of meeting the position light turning-on condition, the driver is inquired whether to turn on the position light through a human-computer interaction component (such as a display screen or a voice input device), and if the position light turning-on instruction of the driver is received, the controller can control the position light to be turned on whether the position light switch is turned on or not (namely whether the position light turning-on signal of the position light switch is received or not). If the driver does not send the position lamp opening instruction, the controller does not perform any operation.
As another embodiment, in response to the driver turning on the position light switch (i.e. the controller receives a position light turn-on signal of the position light switch), the controller determines whether the position light turn-on condition is met according to the detection signal, and if yes, the controller directly controls the position light to turn on.
In one embodiment, in response to the driver turning on the position light switch (that is, the controller receives a position light turn-on signal of the position light switch), the controller determines whether a position light turn-on condition is met according to the detection signal, if yes, the controller inquires the driver whether the position light is turned on through the human-computer interaction part, and if a position light turn-on instruction of the driver is received, the controller can control the position light to be turned on.
It should be noted that in S330, if the controller receives the position light on signal of the position light switch and satisfies the position light on condition, but the driver does not send a position light on instruction after inquiring the driver, which indicates that the driver has performed an incorrect operation on the position light switch and has selected not to turn on the position light, the controller does not perform any operation, and prompts the driver to turn off the position light switch through the human-computer interaction component.
S340: the low side control end of the front position lamp relay and the low side control end of the rear position lamp relay output low level signals to turn on the front position lamp and the rear position lamp of the vehicle.
The low limit control end of the front position lamp relay and the low limit control end of the rear position lamp relay receive low level signals, the low limit control end and the high limit control end form a switch-on loop, and electric field force is generated after the internal coil is electrified so that the switch of the output end of the relay is attracted and switched on, so that the current of the storage battery is respectively supplied to the front position lamp and the rear position lamp, and the front position lamp and the rear position lamp are lightened.
Preferably, the controller receives the rear position lamp state signal in a rear position lamp on state of the vehicle. If the rear position lamp state signal is in an abnormal state (if the rear position lamp is not normally lighted or is abnormally lighted), the controller sends alarm information to the alarm to prompt a driver that the rear position lamp is in a fault.
Preferably, the controller receives the front position light state signal in a front position light on state of the vehicle. If the state signal of the front position lamp is in an abnormal state (if the front position lamp is not normally lighted or is abnormally lighted), the controller sends alarm information to the alarm to prompt a driver that the front position lamp is in a fault.
Under the state that front position lamp and/or back position lamp are opened, reflect whether normal through the state of feedback position lamp, convenient in time discovery problem and processing problem have adopted closed loop control logic to improve the driving safety of vehicle.
Preferably, the controller further receives at least one detection signal in a rear position lamp and a front position lamp of the vehicle in an on state, and judges whether the position lamp on condition is satisfied according to the detection signal. If the position lamp starting condition is not met, the controller stops outputting low level signals to the low side control end of the front position lamp relay and the low side control end of the rear position lamp relay, and the front position lamp and the rear position lamp of the vehicle are turned off. By detecting the opening condition of the position lamp in real time, the position lamp is closed in time when the opening condition is not met, and the energy-saving effect is achieved.
Although some specific embodiments of the present application have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present application. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the present application. The scope of the application is defined by the appended claims.
Claims (10)
1. A lamp control system of a vehicle is characterized by comprising a controller, a front position lamp relay and a rear position lamp relay;
the controller is in signal connection with a position lamp switch of the vehicle;
the high limit control end of preceding position lamp relay with the high limit control end of back position lamp relay is connected with the power anodal of vehicle respectively, the low limit control end of preceding position lamp relay with the low limit control end of back position lamp relay respectively with the control signal output part of controller is connected, the output of preceding position lamp relay with the output of back position lamp relay is connected with the preceding position lamp and the back position lamp of vehicle respectively.
2. The vehicle light control system of claim 1, further comprising at least one detector;
the at least one detector is respectively in signal connection with the controller.
3. A light control system for a vehicle as claimed in claim 1 or 2 wherein the controller is in signal communication with human interaction components of the vehicle.
4. A lamp control system of a vehicle according to claim 3, wherein said rear position lamp includes an operating state detector in signal connection with said controller.
5. A vehicle light control system as claimed in claim 4, further comprising an alarm, the controller being in signal connection with the alarm.
6. A lamp control method for a vehicle, characterized by comprising:
receiving at least one detection signal;
judging whether the starting condition of the position lamp is met or not according to the detection signal;
if the position lamp starting condition is met and the position lamp starting signal and/or the position lamp starting signal of the human-computer interaction part of the vehicle are/is received, the low-side control end of the front position lamp relay and the low-side control end of the rear position lamp relay output low-level signals to enable the front position lamp and the rear position lamp of the vehicle to be started.
7. The vehicular lamp control method according to claim 6, characterized by further comprising:
receiving a rear position lamp state signal when a rear position lamp of the vehicle is in an on state;
and if the rear position lamp state signal is in an abnormal state, sending alarm information to an alarm.
8. The vehicular lamp control method according to claim 6 or 7, characterized by further comprising:
receiving at least one detection signal in a state that a rear position lamp and a front position lamp of a vehicle are turned on;
judging whether the starting condition of the position lamp is met or not according to the detection signal;
if the position lamp starting condition is not met, the low-side control end of the front position lamp relay and the low-side control end of the rear position lamp relay stop outputting low level signals, and the front position lamp and the rear position lamp of the vehicle are turned off.
9. The vehicle light fixture control method according to claim 6, wherein before receiving a position light turn-on signal of a human-computer interaction part of the vehicle, information that the position light turn-on condition is satisfied or not satisfied is transmitted to the human-computer interaction part.
10. A vehicle characterized in that the vehicle comprises a lamp control system of the vehicle of any one of claims 1-5;
and/or
The vehicle executes the lamp control method of the vehicle recited in any one of claims 6 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110604789.1A CN113382515B (en) | 2021-05-31 | 2021-05-31 | Vehicle lamp control system and method and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110604789.1A CN113382515B (en) | 2021-05-31 | 2021-05-31 | Vehicle lamp control system and method and vehicle |
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| CN113382515A true CN113382515A (en) | 2021-09-10 |
| CN113382515B CN113382515B (en) | 2023-01-31 |
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