CN111629474A - Vehicle-mounted information lamp and control method - Google Patents
Vehicle-mounted information lamp and control method Download PDFInfo
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- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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- H—ELECTRICITY
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- H05B45/20—Controlling the colour of the light
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Abstract
The invention discloses a vehicle-mounted information lamp and a control method, comprising the steps of obtaining vehicle information based on a monitoring mode; extracting target vehicle information related to an on-vehicle information lamp from the vehicle information; obtaining a control instruction according to the target vehicle information; and issuing the control instruction to the vehicle-mounted information lamp. The invention can visually express the user through the real-time change of various states of the vehicle through the change of the color and the brightness of the light, and the control of the vehicle-mounted information lamp is completely based on the vehicle information captured by the monitoring mode without artificial participation control, so that the user can drive the vehicle more attentively and know various states of the vehicle at the same time. In addition, the color changed according to the vehicle state can also play a role of alarming, for example, when the vehicle is overspeed, the color is changed into red to flash, namely the function of alarming is realized, so that the vehicle-mounted information lamp also plays a role of safety assistance besides the previous decoration function.
Description
Technical Field
The invention relates to the field of vehicle-mounted atmosphere lamps, in particular to a vehicle-mounted information lamp and a control method.
Background
An in-vehicle atmosphere lamp is a kind of lamp decoration disposed in a vehicle cabin, and is generally used to create an in-vehicle atmosphere. The principle of the vehicle-mounted atmosphere lamp is that the space in the vehicle is illuminated by the light emitted by the LED lamp beads or the LED lamp strips with different colors, so that various atmospheres are created. The atmosphere lamps are generally divided into atmosphere lamps (LED light bars) arranged on the bottoms of the feet and atmosphere lamps (LED light guide bars) arranged on the sides of the feet. The sole atmosphere lamp generally comprises 2 groups or 4 groups of LED lamp strips. The side atmosphere lamp is generally composed of a plurality of LED light guide strips according to different installation positions. However, in any type of atmosphere lamp, it is usually controlled synchronously by the same set of circuits.
At present, the vehicle-mounted atmosphere lamp is monochromatic and also colorful. The color and brightness of a monochromatic vehicle-mounted mood light cannot be adjusted. The colorful vehicle-mounted atmosphere lamp is adjusted through a vehicle knob/remote controller or automatically adjusted according to the volume of music in the vehicle. However, any vehicle-mounted mood light aims to improve user experience, cannot prompt the state of the vehicle, cannot express vehicle state information for the user in a visual way, and cannot provide guidance for the user to more clearly know the vehicle state.
Disclosure of Invention
The embodiment of the invention provides a vehicle-mounted information lamp and a control method.
An in-vehicle information lamp comprising:
at least one group of LED light bars are respectively arranged at the four target positions and respectively form a first vehicle-mounted information lamp, a second vehicle-mounted information lamp, a third vehicle-mounted information lamp and a fourth vehicle-mounted information lamp correspondingly;
forming an adaptation control path for illuminating the in-vehicle information lamp, the forming an adaptation control path for illuminating the in-vehicle information lamp, comprising:
forming a preset circuit structure to enable the micro-control unit chip to acquire data based on at least one mode;
the control port of the first vehicle-mounted information lamp is communicated with the first information output port of the micro control unit chip;
the control port of the second vehicle-mounted information lamp is communicated with the second information output port of the micro control unit chip;
the control port of the third vehicle-mounted information lamp is communicated with the third information output port of the micro control unit chip;
the control port of the fourth vehicle-mounted information lamp is communicated with the fourth information output port of the micro control unit chip;
the first information output port, the second information output port, the third information output port and the fourth information output port are used for outputting different control instructions so that the first vehicle-mounted information lamp, the second vehicle-mounted information lamp, the third vehicle-mounted information lamp and the fourth vehicle-mounted information lamp can display different types of vehicle information,
or the like, or, alternatively,
the first information output port, the second information output port, the third information output port and the fourth information output port are used for outputting the same control command, so that the first vehicle-mounted information lamp, the second vehicle-mounted information lamp, the third vehicle-mounted information lamp and the fourth vehicle-mounted information lamp display the same type of vehicle information.
Preferably, the forming a preset circuit structure to enable the mcu chip to perform data acquisition based on at least one mode includes:
a first connecting circuit and a second connecting circuit are arranged between a micro control unit chip and a CAN transceiver interface chip, a first switch is arranged on the second connecting circuit, and when the first switch is in a first state, the second connecting circuit is communicated so that the micro control unit chip CAN send data to the CAN transceiver interface chip; when the first switch is in a second state, the second connection circuit is open to enable the micro-control unit chip to receive data only from the CAN transceiver interface chip;
a third connecting circuit and a fourth connecting circuit are arranged between the CAN transceiver interface chip and the vehicle-mounted CAN interface, and a fifth connecting circuit is connected in parallel between the third connecting circuit and the fourth connecting circuit; the fifth connecting circuit comprises a second switch and a terminal adaptive resistor which are connected in series; when the second switch is in the first state, the terminal adaptive resistor is connected in parallel at two ends of the CAN transceiver interface chip, and when the second switch is in the second state, the terminal adaptive resistor fails.
Preferably, the four target positions are a left front part, a right front part, a left rear part and a right rear part of a vehicle cab; or the four target positions are the foot pads at the left front part, the right front part, the left rear part and the right rear part of the vehicle. .
Preferably, when the first switch is in the first state, the second switch is also in the first state; forming a first vehicle circuit structure based on which a diagnostic mode-based data acquisition method can be implemented when the first switch and the second switch are both in a first state;
or the like, or, alternatively,
when the first switch is in the second state, the second switch is also in the second state; forming a second vehicle circuit configuration based on which a data acquisition method based on a listening mode can be implemented when the first switch and the second switch are both in a second state;
or the like, or, alternatively,
and when the first switch is in the first state, the second switch is in the second state to form a third vehicle circuit structure, and a data acquisition method based on a monitoring mode can be implemented based on the third vehicle circuit structure.
Preferably, one end of the third connection circuit is connected to a CANH interface of the CAN transceiver interface chip, one end of the fourth connection circuit is connected to a CANL port of the CAN transceiver interface chip, a state of the CANH end is a high level or a floating state, and a state of the CANL end is a low level or a floating state.
Preferably, the first switch is arranged on a connection path of a data output interface of the micro control unit chip and a data input interface of the CAN transceiver interface chip.
A vehicular information lamp control method, the method comprising:
acquiring vehicle information based on the monitoring mode;
extracting target vehicle information related to an on-vehicle information lamp from the vehicle information;
obtaining a control instruction according to the target vehicle information;
and issuing the control instruction to the vehicle-mounted information lamp.
Preferably, the extracting, from the vehicle information, target vehicle information related to an in-vehicle information lamp includes:
acquiring the identification of each vehicle-mounted information lamp;
obtaining the type of the target vehicle information related to the vehicle-mounted information lamp according to the identification;
and extracting corresponding target vehicle information from the vehicle information based on the target vehicle information type.
Preferably, the obtaining of the control instruction according to the target vehicle information includes:
acquiring a first mapping table, wherein the first mapping table is used for representing a first mapping relation between target vehicle information and light color;
acquiring a second mapping table, wherein the second mapping table is used for representing a second mapping relation between target vehicle information and lamplight brightness;
obtaining a first instruction code according to the target vehicle information and the first mapping relation, wherein the first instruction code is used for indicating the color of light;
obtaining a second instruction code according to the target vehicle information and the second mapping relation, wherein the second instruction code is used for indicating the brightness of lamplight;
and generating a control instruction according to the first instruction code and the second instruction code.
Preferably, the method further comprises the following steps:
and generating a common control instruction according to the real-time state of the vehicle, wherein the common control instruction is sent to each vehicle-mounted information lamp so as to uniformly control each vehicle-mounted information lamp.
The invention provides a vehicle-mounted information lamp and a control method thereof, which can visually express a user through the real-time change of various states of a vehicle through the change of the color and the brightness of light, and the control of the vehicle-mounted information lamp can be completely based on vehicle information captured by a monitoring mode without artificial participation control, so that the user can drive the vehicle more attentively and know various states of the vehicle simultaneously. In addition, the color changed according to the vehicle state can also play a role of alarming, for example, when the vehicle is overspeed, the color is changed into red to flash, namely the function of alarming is realized, so that the vehicle-mounted information lamp also plays a role of safety assistance besides the previous decoration function.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions and advantages of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a vehicle mounted information light provided by the present invention;
FIG. 2 is a schematic diagram of a default circuit provided in the present invention;
FIG. 3 is a schematic diagram of a possible specific circuit structure provided by the present invention;
FIG. 4 is a flow chart of a vehicular information lamp control method provided by the present invention;
FIG. 5 is a flow chart of extracting target vehicle information related to the telematics lamp from the vehicle information according to the present invention;
FIG. 6 is a flow chart illustrating the process of obtaining control commands based on the target vehicle information provided by the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or server that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In order to make the objects, technical solutions and advantages disclosed in the embodiments of the present invention more clearly apparent, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the embodiments of the invention and are not intended to limit the embodiments of the invention.
In the following, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present embodiment, "a plurality" means two or more unless otherwise specified.
In view of the fact that the vehicle-mounted mood light in the prior art cannot show the vehicle state for the user in a visual manner, the embodiment of the invention provides a vehicle-mounted information light. The vehicle-mounted information lamp aims to timely acquire the vehicle state and adjust the lamp display state based on the vehicle state, so that a user can visually acquire the relevant information of the vehicle state.
The embodiment of the invention considers that most of the prior art obtains the vehicle state data based on the diagnosis mode, but the speed of obtaining the data by the diagnosis mode is slow, and the requirement of timely expressing the vehicle state information by the vehicle-mounted information lamp cannot be met. Based on a protocol followed by a general diagnosis mode, the time interval of data query each time must be greater than 50MS, after query is sent, the vehicle-mounted computer needs 10-30 MS to give a reply on average, the time consumption of one interaction process is nearly 70MS, the vehicle internal data are obtained at the cost of consuming a large amount of time, and the timeliness is poor. This obviously does not support the on-board information light to make a real-time visual representation of the vehicle state, such as the state representing the instantaneous vehicle speed, or the instantaneous engine speed.
In view of this, the embodiment of the present invention may acquire the vehicle data based on the monitoring mode, and control the vehicle-mounted information light to adjust the light display state according to the vehicle data, thereby achieving the purpose of vividly expressing the vehicle state.
The embodiment of the invention firstly discloses a vehicle-mounted information lamp, as shown in fig. 1, comprising:
at least one group of LED light bars are respectively arranged at the target position and respectively form a first vehicle-mounted information lamp, a second vehicle-mounted information lamp, a third vehicle-mounted information lamp and a fourth vehicle-mounted information lamp correspondingly;
forming an adaptation control path for illuminating the in-vehicle information lamp, the forming an adaptation control path for illuminating the in-vehicle information lamp, comprising:
forming a preset circuit structure to enable the micro-control unit chip to acquire data based on at least one mode;
the control port of the first vehicle-mounted information lamp is communicated with the first information output port of the micro control unit chip;
the control port of the second vehicle-mounted information lamp is communicated with the second information output port of the micro control unit chip;
the control port of the third vehicle-mounted information lamp is communicated with the third information output port of the micro control unit chip;
the control port of the fourth vehicle-mounted information lamp is communicated with the fourth information output port of the micro control unit chip;
the first information output port, the second information output port, the third information output port and the fourth information output port are used for outputting different control instructions, so that the first vehicle-mounted information lamp, the second vehicle-mounted information lamp, the third vehicle-mounted information lamp and the fourth vehicle-mounted information lamp can display different types of vehicle information;
or the like, or, alternatively,
the first information output port, the second information output port, the third information output port and the fourth information output port are used for outputting the same control command, so that the first vehicle-mounted information lamp, the second vehicle-mounted information lamp, the third vehicle-mounted information lamp and the fourth vehicle-mounted information lamp display the same type of vehicle information.
Specifically, the four target positions are a left front part, a right front part, a left rear part and a right rear part of a vehicle cab; or the four target positions are the foot pads at the left front part, the right front part, the left rear part and the right rear part of the vehicle. .
General driver all can install the callus on the sole in the car, and the callus on the sole can be used for accomodating the dust of sole, also only needs clear up the callus on the sole in the clearance, can strengthen pedal travelling comfort and the aesthetic property in the car simultaneously.
In one embodiment, a circle of flexible light guide strip can be selectively installed at the edge and other positions of each foot pad, and the head end and the tail end of each light guide strip respectively correspond to one RGB LED lamp bead which is synchronously controlled and used for lighting the light guide strips. Meanwhile, a group of RGB LED lamp beads which are synchronously controlled are arranged in the middle of the foot pad and used for lightening LOGO. All the above components form a group of vehicle-mounted information lamps.
Or a flexible light guide plate is arranged at the bottom of each foot pad, a group of synchronously controlled RGB LED lamp beads are arranged on one side of the light guide plate and used for lighting the whole light guide plate, so that the light guide plate can uniformly emit light, the foot pads can be provided with a hollowed-out process, so that the hollowed-out part emits light, and the pattern of the hollowed-out part is not limited.
In the embodiment of the present invention, it is supported that the vehicle information is acquired based on the monitoring mode or the diagnosis mode, and the corresponding control instruction is generated based on the vehicle information, so that a preset circuit compatible with the monitoring mode and the diagnosis mode is provided, as shown in fig. 2, the preset circuit structure is formed so that the micro control unit chip performs data acquisition based on at least one mode, including:
a first connecting circuit and a second connecting circuit are arranged between a micro control unit chip and a CAN transceiver interface chip, a first switch is arranged on the second connecting circuit, and when the first switch is in a first state, the second connecting circuit is communicated so that the micro control unit chip CAN send data to the CAN transceiver interface chip; when the first switch is in a second state, the second connection circuit is open to enable the micro-control unit chip to receive data only from the CAN transceiver interface chip;
a third connecting circuit and a fourth connecting circuit are arranged between the CAN transceiver interface chip and the vehicle-mounted CAN interface, and a fifth connecting circuit is connected in parallel between the third connecting circuit and the fourth connecting circuit; the fifth connecting circuit comprises a second switch and a terminal adaptive resistor which are connected in series; when the second switch is in the first state, the terminal adaptive resistor is connected in parallel at two ends of the CAN transceiver interface chip, and when the second switch is in the second state, the terminal adaptive resistor fails.
In one embodiment, the switching of the states of the first switch and the second switch may be linked.
In one embodiment, when the first switch is in the first state, the second switch is also in the first state; forming a first vehicle circuit structure based on which a diagnostic mode-based data acquisition method can be implemented when the first switch and the second switch are both in a first state;
or the like, or, alternatively,
when the first switch is in the second state, the second switch is also in the second state; forming a second vehicle circuit configuration based on which a data acquisition method based on a listening mode can be implemented when the first switch and the second switch are both in a second state;
or the like, or, alternatively,
and when the first switch is in the first state, the second switch is in the second state to form a third vehicle circuit structure, and a data acquisition method based on a monitoring mode can be implemented based on the third vehicle circuit structure.
One end of the third connecting circuit is connected with a CANH interface of the CAN transceiver interface chip, one section of the fourth connecting circuit is connected with a CANL port of the CAN transceiver interface chip, the state of the CANH end is a high level or a suspension state, and the state of the CANL end is a low level or a suspension state.
Specifically, the first switch is disposed on a connection path between a data output interface of the micro control unit chip and a data input interface of the CAN transceiver interface chip.
Fig. 3 illustrates a possible specific circuit structure in an embodiment of the present invention, and illustrates a possible specific circuit structure in an embodiment of the present invention, where S3 and S4 are the first switch and the second switch, respectively. The circuit controlled by the switch of S3 is a circuit in which the mcu chip sends data to the CAN transceiver interface chip, and when the switch is in an open state, the data acquisition method based on the diagnostic mode cannot be normally implemented, and only the data acquisition method based on the monitoring mode CAN be used to acquire vehicle data.
S4 is used for controlling the effect of the adaptive termination resistor R12 on the circuit, and when S4 is in a closed state, a 120-ohm resistor is connected in parallel between the circuit with CANH and the circuit with CANL. The vehicle data may be acquired at this time based on a data acquisition method of a diagnostic manner. When S4 is in the open state, the resistor R12 fails in the circuit, and vehicle data can only be acquired by using a data acquisition method based on the listening mode.
Based on the adaptive control path, the embodiment of the invention further discloses a vehicle-mounted information lamp control method, as shown in fig. 4, the control method comprises the following steps:
s101, vehicle information is obtained based on a monitoring mode.
S103, extracting target vehicle information related to the vehicle-mounted information lamp from the vehicle information.
Specifically, different in-vehicle information lamps may be used to express different types of vehicle information, and therefore, target vehicle information corresponding to different in-vehicle information lamps, in which target vehicle information related to the in-vehicle information lamps is extracted, differs, as shown in fig. 5, including:
and S1031, acquiring the identification of each vehicle-mounted information lamp.
And S1033, obtaining the target vehicle information type related to the vehicle-mounted information lamp according to the identification.
And S1035, extracting corresponding target vehicle information from the vehicle information based on the target vehicle information type.
And S105, obtaining a control instruction according to the target vehicle information.
In a preferred embodiment, the light color and/or light intensity may be determined based on the target vehicle information.
In a preferred embodiment, the obtaining the control command according to the target vehicle information, as shown in fig. 6, includes:
s1051, obtaining a first mapping table, wherein the first mapping table is used for representing a first mapping relation between target vehicle information and light colors;
s1053, acquiring a second mapping table, wherein the second mapping table is used for representing a second mapping relation between target vehicle information and lamplight brightness;
s1055, obtaining a first instruction code according to the target vehicle information and the first mapping relation, wherein the first instruction code is used for indicating the color of light;
s1057, obtaining a second instruction code according to the target vehicle information and the second mapping relation, wherein the second instruction code is used for indicating the brightness of lamplight;
and S1059, generating a control instruction according to the first instruction code and the second instruction code.
And S107, issuing the control instruction to the vehicle-mounted information lamp.
By setting different target vehicle information types, the first mapping relation and the second mapping relation, the vehicle-mounted information lamp can express various types of vehicle information.
In one possible embodiment, the vehicle information type is door opening information, and when a door is opened, the corresponding vehicle-mounted information lamp can perform lamp color conversion and/or brightness conversion to achieve the welcome effect.
In another possible embodiment, the vehicle information type is vehicle speed, and the color and/or brightness of the vehicle-mounted information lamp changes with the vehicle speed, for example, the color of the vehicle-mounted information lamp gradually changes from light blue to red according to the change of the vehicle speed, and the red flickers when the vehicle speed reaches an overspeed state.
In another possible embodiment, the vehicle information type is engine speed, and the color and/or brightness of the vehicle-mounted information lamp varies with the engine speed, for example, according to the vehicle engine speed, the light blue color at low speed gradually changes to the red color at high speed.
In another possible embodiment, the vehicle information type is coolant temperature, and the light color and/or brightness of the vehicle information lamp changes with the coolant temperature, for example, the coolant gradually changes from light blue at a low temperature to red at a high temperature according to the change of the coolant temperature of the vehicle engine.
In another possible embodiment, different gears or even different gear values may trigger a change in the corresponding color and/or brightness of the vehicle information lamp according to a change in the vehicle gear.
In another possible embodiment, the vehicle information lamp at the corresponding position may be turned on white when the door is opened to provide sufficient illumination for the user according to the change of the condition of the door. When the vehicle is in driving and the door is opened, the vehicle-mounted information lamp at the corresponding position can flash red to remind the driver.
In a preferred embodiment, a common control instruction can be generated according to the real-time state of the vehicle, and the common control instruction is sent to each vehicle-mounted information lamp so as to uniformly control each vehicle-mounted information lamp.
For example, when the dipped headlight is turned on, a first common control command is generated and sent out so as to uniformly reduce the brightness of each vehicle information lamp in a lighting state, and the brightness of the vehicle information lamps is automatically reduced so as to adapt to the brightness at night and avoid the interference of too high brightness with the driving sight. And generating and sending a second public control instruction after the dipped headlight is turned off so as to uniformly improve the brightness of each piece of vehicle information in the lighting state. By automatically dimming the brightness, the user can see the light of the atmosphere lamp in the daytime.
According to the vehicle-mounted information lamp and the control method thereof provided by the embodiment of the invention, the real-time change of various states of the vehicle can be visually expressed to the user through the change of the color and the brightness of the light, the vehicle-mounted information lamp can be completely controlled based on the vehicle information captured in the monitoring mode, and the artificial participation control is not needed, so that the user can drive the vehicle more attentively and know various states of the vehicle. In addition, the color changed according to the vehicle state can also play a role of alarming, for example, when the vehicle is overspeed, the color is changed into red to flash, namely the function of alarming is realized, so that the vehicle-mounted information lamp also plays a role of safety assistance besides the previous decoration function.
It should be noted that: the precedence order of the above embodiments of the present invention is only for description, and does not represent the merits of the embodiments. And specific embodiments thereof have been described above. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing may also be possible or may be advantageous.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, as for the device and server embodiments, since they are substantially similar to the method embodiments, the description is simple, and the relevant points can be referred to the partial description of the method embodiments.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An in-vehicle information lamp, comprising:
at least one group of LED light bars are respectively arranged at the four target positions and respectively form a first vehicle-mounted information lamp, a second vehicle-mounted information lamp, a third vehicle-mounted information lamp and a fourth vehicle-mounted information lamp correspondingly;
forming an adaptation control path for illuminating the in-vehicle information lamp, the forming an adaptation control path for illuminating the in-vehicle information lamp, comprising:
forming a preset circuit structure to enable the micro-control unit chip to acquire data based on at least one mode;
the control port of the first vehicle-mounted information lamp is communicated with the first information output port of the micro control unit chip;
the control port of the second vehicle-mounted information lamp is communicated with the second information output port of the micro control unit chip;
the control port of the third vehicle-mounted information lamp is communicated with the third information output port of the micro control unit chip;
the control port of the fourth vehicle-mounted information lamp is communicated with the fourth information output port of the micro control unit chip;
the first information output port, the second information output port, the third information output port and the fourth information output port are used for outputting different control instructions so that the first vehicle-mounted information lamp, the second vehicle-mounted information lamp, the third vehicle-mounted information lamp and the fourth vehicle-mounted information lamp can display different types of vehicle information,
or the like, or, alternatively,
the first information output port, the second information output port, the third information output port and the fourth information output port are used for outputting the same control command, so that the first vehicle-mounted information lamp, the second vehicle-mounted information lamp, the third vehicle-mounted information lamp and the fourth vehicle-mounted information lamp display the same type of vehicle information.
2. The vehicle-mounted information lamp according to claim 1, wherein the preset circuit structure is formed to enable the micro control unit chip to perform data acquisition based on at least one mode, and the preset circuit structure comprises:
a first connecting circuit and a second connecting circuit are arranged between a micro control unit chip and a CAN transceiver interface chip, a first switch is arranged on the second connecting circuit, and when the first switch is in a first state, the second connecting circuit is communicated so that the micro control unit chip CAN send data to the CAN transceiver interface chip; when the first switch is in a second state, the second connection circuit is open to enable the micro-control unit chip to receive data only from the CAN transceiver interface chip;
a third connecting circuit and a fourth connecting circuit are arranged between the CAN transceiver interface chip and the vehicle-mounted CAN interface, and a fifth connecting circuit is connected in parallel between the third connecting circuit and the fourth connecting circuit; the fifth connecting circuit comprises a second switch and a terminal adaptive resistor which are connected in series; when the second switch is in the first state, the terminal adaptive resistor is connected in parallel at two ends of the CAN transceiver interface chip, and when the second switch is in the second state, the terminal adaptive resistor fails.
3. A vehicle information lamp as claimed in claim 2, wherein:
the four target positions are the left front part, the right front part, the left rear part and the right rear part of a vehicle cab;
or the like, or, alternatively,
the four target positions are on the foot pads at the left front part, the right front part, the left rear part and the right rear part of the vehicle.
4. A vehicle information lamp as claimed in claim 3, wherein:
when the first switch is in the first state, the second switch is also in the first state; forming a first vehicle circuit structure based on which a diagnostic mode-based data acquisition method can be implemented when the first switch and the second switch are both in a first state;
or the like, or, alternatively,
when the first switch is in the second state, the second switch is also in the second state; forming a second vehicle circuit configuration based on which a data acquisition method based on a listening mode can be implemented when the first switch and the second switch are both in a second state;
or the like, or, alternatively,
and when the first switch is in the first state, the second switch is in the second state to form a third vehicle circuit structure, and a data acquisition method based on a monitoring mode can be implemented based on the third vehicle circuit structure.
5. A vehicle information lamp as claimed in claim 4, wherein:
one end of the third connecting circuit is connected with a CANH interface of the CAN transceiver interface chip, one section of the fourth connecting circuit is connected with a CANL port of the CAN transceiver interface chip, the state of the CANH end is a high level or a suspension state, and the state of the CANL end is a low level or a suspension state.
6. A vehicle information lamp as claimed in claim 5, wherein:
the first switch is arranged on a connecting passage of a data output interface of the micro control unit chip and a data input interface of the CAN transceiver interface chip.
7. A vehicular information lamp control method, characterized in that the method comprises:
acquiring vehicle information based on the monitoring mode;
extracting target vehicle information related to an on-vehicle information lamp from the vehicle information;
obtaining a control instruction according to the target vehicle information;
and issuing the control instruction to the vehicle-mounted information lamp.
8. The method as claimed in claim 7, wherein said extracting the target vehicle information related to the telematics lamp from the vehicle information comprises:
acquiring the identification of each vehicle-mounted information lamp;
obtaining the type of the target vehicle information related to the vehicle-mounted information lamp according to the identification;
and extracting corresponding target vehicle information from the vehicle information based on the target vehicle information type.
9. The method for controlling the vehicular information lamp according to claim 8, wherein the obtaining of the control command according to the target vehicle information includes:
acquiring a first mapping table, wherein the first mapping table is used for representing a first mapping relation between target vehicle information and light color;
acquiring a second mapping table, wherein the second mapping table is used for representing a second mapping relation between target vehicle information and lamplight brightness;
obtaining a first instruction code according to the target vehicle information and the first mapping relation, wherein the first instruction code is used for indicating the color of light;
obtaining a second instruction code according to the target vehicle information and the second mapping relation, wherein the second instruction code is used for indicating the brightness of lamplight;
and generating a control instruction according to the first instruction code and the second instruction code.
10. The vehicular information lamp control method according to claim 7, further comprising:
and generating a common control instruction according to the real-time state of the vehicle, wherein the common control instruction is sent to each vehicle-mounted information lamp so as to uniformly control each vehicle-mounted information lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010698921.5A CN111629474B (en) | 2020-07-20 | Vehicle-mounted information lamp and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010698921.5A CN111629474B (en) | 2020-07-20 | Vehicle-mounted information lamp and control method |
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| Publication Number | Publication Date |
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| CN111629474A true CN111629474A (en) | 2020-09-04 |
| CN111629474B CN111629474B (en) | 2024-06-28 |
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