CN110712590A - Bus communication-based intelligent control system and control method for automobile indoor lamp - Google Patents
Bus communication-based intelligent control system and control method for automobile indoor lamp Download PDFInfo
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- CN110712590A CN110712590A CN201910868594.0A CN201910868594A CN110712590A CN 110712590 A CN110712590 A CN 110712590A CN 201910868594 A CN201910868594 A CN 201910868594A CN 110712590 A CN110712590 A CN 110712590A
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- lamp
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/80—Circuits; Control arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention discloses an intelligent control system of an automobile indoor lamp based on bus communication, which comprises an automobile body control module, a front row switch panel of a cab, a front row control rear row switch panel control module of the cab, a front row indoor lamp/reading lamp strip brightness adjusting switch, a front row indoor lamp/reading lamp control unit, a left rear reading lamp strip brightness adjusting switch, a left rear reading lamp, a right rear reading lamp strip brightness adjusting switch, a right rear reading lamp, a rear indoor lamp switch, a rear indoor lamp and a rear row indoor lamp/reading lamp control unit, wherein the automobile body control module is connected with the front row switch panel of the cab through a bus; four nodes participating in bus communication are respectively a vehicle body control module, a front row control rear row switch panel control module, a front row indoor lamp/reading lamp control unit and a rear row indoor lamp/reading lamp control unit. The invention also discloses an intelligent control method of the automobile indoor lamp based on bus communication.
Description
Technical Field
The invention relates to a vehicle room lamp control system, in particular to an intelligent control system and a control method of an automobile room lamp based on bus communication.
Background
The application scenes of the current vehicles are increasing day by day, and when the young children and the old people inconvenient to move take the vehicles, if indoor lamps (the indoor lamps of the vehicles are generally indoor lamps and reading lamps at the front row of the vehicles and left and right reading lamps at the rear row) are needed to be used, people need to help to turn on/off an indoor lamp switch. Because the indoor lamp and the reading lamp of the vehicle are controlled to be on or off by adopting a method of directly driving the controller and the local switch at present, even if the indoor lamp/the reading lamp is used, the switch of the indoor lamp/the reading lamp needs to be manually turned on, and the switch needs to be triggered again when the indoor lamp/the reading lamp is turned off, if no other accompanying personnel except a driver on the vehicle exists, great inconvenience is caused. The indoor lighting may cause visual fatigue of the driver and may even affect driving safety when the driver assists in the operation. Sometimes, when a passenger gets on a commercial vehicle, the passenger may need to assist the driver to adjust the brightness of the rear room lamp/reading lamp when taking the vehicle from a comfort perspective.
At present, reading lamps of vehicles are mostly controlled by a direct drive method of a controller and a local switch, one part is in a control mode of an indoor lamp switch, such as a microswitch or a capacitive switch, and the other part is in an intelligent control method, namely the similar technology of the invention, for example, an invention patent named as 'a vehicle indoor lamp control device and method' is submitted by automobile research institute Limited, Zhejiang Jili, 10.15.2018, and the patent number is 201811198783.3, the invention provides a vehicle indoor lamp control device which can judge whether the vehicle indoor lamp needs to be turned on or off according to the vehicle speed, and automatically control the turning on and off of the vehicle indoor lamp, so that frequent manual switching by a driver is avoided, and the driving experience is improved. However, the invention judges whether to turn on or turn off the indoor lamp according to the speed information of the vehicle, the main application scene is that the indoor lamp is automatically turned on and comprises a reading lamp when the vehicle stops, the indoor lamp is turned off when the vehicle speed reaches a certain value, the scene that the reading lamp is turned on and off manually in the driving process is not considered, if the reading lamp at the rear row needs to be turned on and off in the driving process, a local switch beside the reading lamp needs to be manually turned on and off, and the invention does not help children, old people or passengers who are inconvenient to operate.
If a utility model patent named as "switch control circuit of cab back row room lamp" that patent number is 201320180978.1, also filed by beijing automobile stock limited company of 11/04/2013, a circuit is provided to realize that the opening and closing of cab back row room lamps can be simultaneously convenient for the front row and the back row of a cab, but the circuit is more complicated, and the opening and closing operation only aiming at the back row room lamps is executed by a switch, which is not suitable for the reading lamp with adjustable brightness, and the brightness adjustment of the front row control back row can not be realized. If the indoor lamp switch is operated simultaneously in the front row and the rear row, the state of the indoor lamp is determined according to the switch in the circuit, the priority of an operator cannot be intelligently selected, the feeling of the operator is poor, the state of each lamp becomes independent, and the indoor lamp and the car door cannot be opened and closed in a linkage mode.
Disclosure of Invention
The invention aims to solve the technical problem of realizing the brightness control and the turning on and off of the indoor lamps/reading lamps in the back row of a cab on the basis of a bus communication and intelligent control unit. In order to solve the problems, the invention provides an intelligent control system of an automobile indoor lamp based on bus communication, which can realize brightness adjustment and on-off control of the indoor lamp/reading lamp in the rear row area by the front row through a local switch near the reading lamp and a switch panel arranged at the front row, and improve the riding comfort of passengers.
The purpose of the invention is realized by the following technical scheme:
an intelligent control system of an automobile indoor lamp based on bus communication comprises an automobile body control module, a cab front row switch panel, a cab front row control rear row switch panel control module, a front row indoor lamp/reading lamp belt brightness adjusting switch, a front row indoor lamp/reading lamp control unit, a rear row indoor lamp/reading lamp switch, a rear row indoor lamp/reading lamp and a rear row indoor lamp/reading lamp control unit; the vehicle body control module is respectively in communication connection with the front row control rear row switch panel control module, the front row indoor lamp/reading lamp control unit and the rear row indoor lamp/reading lamp control unit through buses; the cab front row switch panel is electrically connected with the cab front row control rear row switch panel control module; the front row indoor lamp/reading lamp is provided with a brightness adjusting switch which is electrically connected with a front row indoor lamp/reading lamp control unit, and the front row indoor lamp/reading lamp control unit is electrically connected with the front row indoor lamp/reading lamp; the rear row indoor lamp/reading lamp switch is electrically connected with the rear row indoor lamp/reading lamp control unit, and the rear row indoor lamp/reading lamp control unit is electrically connected with the rear row indoor lamp/reading lamp.
Further, the rear row indoor lamp/reading lamp switch comprises a left rear reading lamp strip brightness adjusting switch, a right rear reading lamp strip brightness adjusting switch, a rear indoor lamp switch, a left rear reading lamp strip brightness adjusting switch and a right rear reading lamp strip brightness adjusting switch, and the rear indoor lamp switch is simultaneously and electrically connected with the rear row indoor lamp/reading lamp control unit; the rear row indoor lamps/reading lamps comprise a left rear reading lamp, a right rear reading lamp and a rear indoor lamp, and the rear row indoor lamps/reading lamp control unit is electrically connected with the left rear reading lamp, the right rear reading lamp and the rear indoor lamp respectively.
The invention also provides an intelligent control method of the automobile indoor lamp based on bus communication, which takes the automobile body control module as a logic operation center, and when the automobile is electrified:
the vehicle body control module collects the lighting state and brightness information of each indoor lamp/reading lamp according to a preset control period through bus communication;
judging whether a brightness adjusting switch of the front row indoor lamp/reading lamp is operated or not, if so, executing the switch or brightness adjustment of the front row indoor lamp/reading lamp according to the operation; if the operation is not carried out or the front row operation is finished, entering the next step;
judging whether a rear row indoor lamp/reading lamp switch is operated, if so, executing the rear row indoor lamp/reading lamp switch or brightness adjustment according to the operation; if the operation is not carried out or the execution of the back row operation is finished, entering the next step;
judging whether a front row control rear row switch panel of the cab is operated or not, if so, executing rear row indoor lamp/reading lamp switching or brightness adjustment according to the operation of the front row control rear row switch panel of the cab; and if the operation is not carried out or the front row control and the rear row control are carried out completely, starting the next control period, and repeatedly executing the steps to realize the cycle control of the automobile indoor lamp.
Further, in the control process of the automobile indoor lamp, the automobile body control module circularly judges whether the target lighting state of the lamp and the target brightness information are consistent with the current state or not according to the control period, and if not, the automobile body control module executes the target state according to the operation priority.
The operation priority rule is as follows:
if the switch and the brightness of different indoor lamps/reading lamps are operated at the same time, respective operation commands are executed at the same time; if the rear row indoor lamp switch and the cab front row control rear row switch panel simultaneously operate the same rear row indoor lamp/reading lamp, the priority of the rear row local control is highest, and the switching and brightness adjustment of the rear row indoor lamp/reading lamp are executed according to the rear row local switch instruction.
The invention has the following advantages:
1. the lighting state and brightness adjusting information of the vehicle room lamp/reading lamp are collected through bus communication.
2. The brightness adjustment and on-off control of the indoor lamps/reading lamps in the rear row area by the front row are realized in a bus communication mode.
Drawings
FIG. 1 is a control flow diagram of the present invention;
FIG. 2 is a schematic diagram of the control system of the present invention.
Detailed Description
The technical scheme of the invention is described in detail in the following with reference to the attached drawings:
as shown in fig. 2, an intelligent control system for an interior lamp of an automobile based on bus communication includes: the automobile body control module (BCM for short), a cab front row switch panel, a cab front row control rear row switch panel control module, a front row indoor lamp/reading lamp brightness adjusting switch, a front row indoor lamp/reading lamp control unit, a left rear reading lamp brightness adjusting switch, a left rear reading lamp, a right rear reading lamp, a rear indoor lamp switch, a rear indoor lamp and a rear row indoor lamp/reading lamp control unit.
The vehicle body control module is respectively connected with the front row control rear row switch panel control module, the front row indoor lamp/reading lamp control unit and the rear row indoor lamp/reading lamp control unit through bus communication.
The cab front row switch panel is electrically connected with the cab front row control rear row switch panel control module; the front row indoor lamp/reading lamp is provided with a brightness adjusting switch which is electrically connected with a front row indoor lamp/reading lamp control unit, and the front row indoor lamp/reading lamp control unit is electrically connected with the front row indoor lamp/reading lamp; the left rear reading lamp is provided with a brightness adjusting switch, the right rear reading lamp is provided with a brightness adjusting switch, the rear indoor lamp switch is simultaneously and electrically connected with the rear row indoor lamp/reading lamp control unit, and the rear row indoor lamp/reading lamp control unit is electrically connected with the left rear reading lamp, the right rear reading lamp and the rear indoor lamp respectively.
As shown in fig. 1, the present invention also provides a control method of an intelligent control system for an automotive interior lamp based on bus communication, which uses a Body Control Module (BCM) as a logic operation center, and after a vehicle is powered on (IGON):
the BCM collects the lighting state and brightness information of each indoor lamp/reading lamp according to a preset control cycle (in the embodiment, the cycle is 50ms) through bus communication;
judging whether a brightness adjusting switch of the front row indoor lamp/reading lamp is operated or not, if so, executing the switch or brightness adjustment of the front row indoor lamp/reading lamp according to the operation; if the operation is not carried out or the front row operation is finished, entering the next step;
judging whether a rear row indoor lamp/reading lamp switch is operated, if so, executing the rear row indoor lamp/reading lamp switch or brightness adjustment according to the operation; if the operation is not carried out or the execution of the back row operation is finished, entering the next step;
judging whether a front row control rear row switch panel of the cab is operated or not, if so, executing rear row indoor lamp/reading lamp switching or brightness adjustment according to the operation of the front row control rear row switch panel of the cab; and if the operation is not carried out or the front row control and the rear row control are carried out completely, starting the next control period, and repeatedly executing the steps to realize the cycle control of the automobile indoor lamp.
In the control process of the automobile interior lamp, the BCM circularly judges whether the target lighting state of the lamp and the target brightness information are consistent with the current state or not in a control period t (in the embodiment, t is 50ms), and if not, the BCM executes the target state according to the operation priority. If the switch and the brightness of different indoor lamps/reading lamps are operated at the same time, respective operation commands can be executed simultaneously, the priority is the same, if the control of the rear row of indoor lamps/reading lamps occurs simultaneously, namely the front row control and the rear row local control occur simultaneously, the priority of the rear row local control is the highest, the switch and the brightness adjustment of the rear row of indoor lamps/reading lamps are executed according to the rear row local switch instruction, and therefore the intelligent control of the on-off and the brightness adjustment of the indoor lamps/reading lamps is achieved.
The communication mode of the bus is not limited, and CAN be LIN communication, CAN communication or wireless communication.
The cycle execution time of the BCM is not limited to 50ms, and the brightness adjustment and the sensitivity of the switch of the indoor lamp/reading lamp are different in different time.
Claims (5)
1. An intelligent control system of an automobile indoor lamp based on bus communication is characterized by comprising an automobile body control module, a front row switch panel of a cab, a front row control rear row switch panel control module of the cab, a brightness adjusting switch of a front row indoor lamp/reading lamp strip, a front row indoor lamp/reading lamp control unit, a rear row indoor lamp/reading lamp switch, a rear row indoor lamp/reading lamp and a rear row indoor lamp/reading lamp control unit; the vehicle body control module is respectively in communication connection with the front row control rear row switch panel control module, the front row indoor lamp/reading lamp control unit and the rear row indoor lamp/reading lamp control unit through buses; the cab front row switch panel is electrically connected with the cab front row control rear row switch panel control module; the front row indoor lamp/reading lamp is provided with a brightness adjusting switch which is electrically connected with a front row indoor lamp/reading lamp control unit, and the front row indoor lamp/reading lamp control unit is electrically connected with the front row indoor lamp/reading lamp; the rear row indoor lamp/reading lamp switch is electrically connected with the rear row indoor lamp/reading lamp control unit, and the rear row indoor lamp/reading lamp control unit is electrically connected with the rear row indoor lamp/reading lamp.
2. The intelligent control system for the indoor lamps of the automobile based on the bus communication as claimed in claim 1, wherein the rear row indoor lamp/reading lamp switch comprises a left rear reading lamp strip brightness adjusting switch, a right rear reading lamp strip brightness adjusting switch, a rear indoor lamp switch, a left rear reading lamp strip brightness adjusting switch, a right rear reading lamp strip brightness adjusting switch, and the rear indoor lamp switch is simultaneously and electrically connected with the rear row indoor lamp/reading lamp control unit; the rear row indoor lamps/reading lamps comprise a left rear reading lamp, a right rear reading lamp and a rear indoor lamp, and the rear row indoor lamps/reading lamp control unit is electrically connected with the left rear reading lamp, the right rear reading lamp and the rear indoor lamp respectively.
3. The control method of the intelligent control system of the automobile indoor lamp based on the bus communication as claimed in claim 1, characterized in that, the automobile body control module is used as a logic operation center, when the vehicle is powered on:
the vehicle body control module collects the lighting state and brightness information of each indoor lamp/reading lamp according to a preset control period through bus communication;
judging whether a brightness adjusting switch of the front row indoor lamp/reading lamp is operated or not, if so, executing the switch or brightness adjustment of the front row indoor lamp/reading lamp according to the operation; if the operation is not carried out or the front row operation is finished, entering the next step;
judging whether a rear row indoor lamp/reading lamp switch is operated, if so, executing the rear row indoor lamp/reading lamp switch or brightness adjustment according to the operation; if the operation is not carried out or the execution of the back row operation is finished, entering the next step;
judging whether a front row control rear row switch panel of the cab is operated or not, if so, executing rear row indoor lamp/reading lamp switching or brightness adjustment according to the operation of the front row control rear row switch panel of the cab; and if the operation is not carried out or the front row control and the rear row control are carried out completely, starting the next control period, and repeatedly executing the steps to realize the cycle control of the automobile indoor lamp.
4. The method as claimed in claim 3, wherein in the control of the vehicle interior light, the body control module cyclically determines whether the target lighting state of the lamp and the target brightness information are consistent with the current state at a control period, and if not, the body control module executes the target state according to the operation priority.
5. The method for controlling an intelligent control system of an automobile room lamp based on bus communication as claimed in claim 4, wherein the operation priority rule is:
if the switch and the brightness of different indoor lamps/reading lamps are operated at the same time, respective operation commands are executed at the same time;
if the rear row indoor lamp switch and the cab front row control rear row switch panel simultaneously operate the same rear row indoor lamp/reading lamp, the priority of the rear row local control is highest, and the switching and brightness adjustment of the rear row indoor lamp/reading lamp are executed according to the rear row local switch instruction.
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| CN201910868594.0A CN110712590B (en) | 2019-09-16 | 2019-09-16 | Intelligent control system and control method for automobile indoor lamp based on bus communication |
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| CN201910868594.0A CN110712590B (en) | 2019-09-16 | 2019-09-16 | Intelligent control system and control method for automobile indoor lamp based on bus communication |
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| CN110712590B CN110712590B (en) | 2022-12-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113147585A (en) * | 2020-01-22 | 2021-07-23 | 嘉兴海拉灯具有限公司 | Interior light control system, front row light control unit, rear row light control unit, interior light assembly and vehicle for vehicle |
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