CN113015304A - Lighting control device and lighting control system for vehicle - Google Patents
Lighting control device and lighting control system for vehicle Download PDFInfo
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- CN113015304A CN113015304A CN201911226075.0A CN201911226075A CN113015304A CN 113015304 A CN113015304 A CN 113015304A CN 201911226075 A CN201911226075 A CN 201911226075A CN 113015304 A CN113015304 A CN 113015304A
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- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000005286 illumination Methods 0.000 claims description 18
- 108010076504 Protein Sorting Signals Proteins 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 206010017577 Gait disturbance Diseases 0.000 description 1
- 208000010040 Sprains and Strains Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
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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
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention relates to a lighting control device (20) for a vehicle (10), comprising: a control module (21); at least one detection sensor (22) for receiving a trigger signal from a remote control device (40); a projection module (23) comprising at least two projection devices; wherein the control module (21) calculates a distance (d1) between the remote control device (40) and the vehicle based on the received trigger signal, and sets the projection module (23) based on the distance (d1) between the remote control device (40) and the vehicle. The invention also relates to a lighting control system comprising the lighting control device (20).
Description
Technical Field
The invention relates to an automotive electronic technology, in particular to a lighting control device and a lighting control system for a vehicle.
Background
In modern cars already on the market are equipped with illuminated light blankets, such as a guest greeting light blanket in a bmw car. When a driver unlocks a vehicle by using a key or pushes a vehicle door away each time, the light blanket system projects a light blanket on the ground, the area beside the vehicle door is illuminated by light, and the effect like the light blanket is formed, but only the area (usually the area which is only about 1 meter wide) which is very close to the vehicle door is illuminated by the light, so that certain illumination is provided for the driver or passengers when the light is dark, the driver or passengers can see steps or obstacles in the area clearly, the driver and passengers can get on or off the vehicle with an ceremony feeling, the life of the vehicle is more funny, and particularly, the driver can experience different feelings when getting in or out of the vehicle at night and the personal safety is improved.
Disclosure of Invention
However, the inventors of the present application found that: as already mentioned above, existing light carpet systems can only provide an illumination band/light carpet in a very close area beside the vehicle (typically about 1 meter); however, when the driver or passenger is far away from the vehicle, there may still be obstacles such as steps, pits, etc. between the driver or passenger and the vehicle, such far road obstacles are not accessible to the existing light carpet system, and the driver or passenger cannot see them at all. Moreover, the existing optical blanket system has only one operation mode (or on or off), and cannot flexibly meet the higher and higher demands of users.
It is therefore an object of the present invention to provide a lighting control device and a lighting control system for a vehicle, which can flexibly provide a driver and passengers with more modes of lighting in a wider range in accordance with the real-time location of the driver in accordance with the needs thereof.
The lighting control device for a vehicle according to the present invention includes: a control module; at least one detection sensor for receiving a trigger signal from a remote control device; the projection module comprises at least two projection devices; the control module calculates the distance between the remote control device and the vehicle according to the received trigger signal, and sets the projection module according to the distance between the remote control device and the vehicle. The remote control device can be, for example, an automotive electronic key for automatically opening and closing a door lock of a vehicle equipped with a keyless entry system, which is carried around by the driver. Therefore, the illumination control device can correspondingly control the projection module according to the actual distance between the driver (namely, the remote control device) and the vehicle, and opens the possibility of setting different operation modes of the projection module.
According to a preferred embodiment, a first projection device of the at least two projection devices is used to project the illumination light at a first region, and a second projection device of the at least two projection devices is used to project the illumination light at a second region. In the top projection view of the vehicle, the first region can be, for example, a region such as a sector or a bar next to the door or body-side contour, and the second region can be a region such as a sector or a bar further away from the door or body-side contour than the first region. Preferably, the first region and the second region are adjacent to each other or partially overlap each other in a top plan view of the vehicle. For example, the first region may be a region 0 to 1 meter away from the door or body side profile, while the second region may be a region 1 to 3 meters, or even away, from the door or body side profile. By the corresponding arrangement of the first and second projection means with the first and second region, respectively, different illumination ranges can be activated for the driver and the passenger.
According to a preferred embodiment, the control module sets the first projection device and the second projection device by comparing a distance between the remote control device and the vehicle with a preset distance. Further preferred are: when the control module judges that the distance between the remote control device and the vehicle is greater than the preset distance, the control module starts the first projection device and the second projection device to turn on illumination; and when the control module judges that the distance between the remote control device and the vehicle is less than or equal to the preset distance, the control module starts the first projection device to turn on the illumination and sets the second projection device to turn off. Therefore, the range with different sizes can be flexibly adapted to the current requirement according to the real-time distance between the driver and the vehicle door, the visual fields of the driver and the passengers are expanded, the driver and the passengers can see the road condition clearly in a wider range under the condition of dim light, and the situation that the driver is stumbled by an obstacle or sprained and fallen due to pits when getting on or off the vehicle is prevented. Meanwhile, the two operation modes can be freely switched in real time according to the real-time distance, so that the aim of saving energy can be fulfilled.
According to a preferred embodiment, the first and second projection devices are configured to project images, which are graphics (e.g. striped carpet patterns) and/or numbers (e.g. dates) and/or text (e.g. "welcomes").
According to a preferred embodiment, the at least one detection sensor is configured to receive signals from the at least one remote control device via wireless signals.
According to a preferred embodiment, the control module determines the distance between the remote control and the vehicle on the basis of the intensity of the signal received by the at least one detection sensor.
The lighting control system according to the present invention comprises: the lighting control device according to the invention and at least one remote control device are used to emit a trigger signal.
The lighting control device and the lighting control system according to the invention realize for the first time that more modes of lighting more matched with actual demands are provided for the driver and the passenger according to the specific location of the approaching driver, i.e. the real-time distance from the driver to the vehicle, so that the driver and the passenger can see the road condition in a wider range under the condition of dim light, and the driver and the passenger can be prevented from tripping over obstacles or being sprained and fallen due to pits when getting on or off the vehicle. Moreover, the two operation modes can be freely and flexibly switched according to the corresponding real-time distance, so that the aim of saving energy can be fulfilled.
Drawings
Further features, details and advantages of the invention are set forth in the following description and in the accompanying drawings. In the figure:
fig. 1 is a schematic diagram of a lighting control system including a lighting control apparatus and a remote control apparatus according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of a lighting control system of an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of ways different from those described herein and similar generalizations can be made by those skilled in the art without departing from the spirit of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
The expression "and/or" is used herein in the sense of including at least one of the components listed before and after the expression. The expression "connected/coupled" is used in a sense that it includes direct connection to another component or indirect connection through another component. The singular forms herein also include the plural unless specifically mentioned in the context of a phrase. Further, as used herein, reference to "comprising" or "including" components, steps, operations, and elements means that at least one other component, step, operation, and element is present or added.
It should be understood that the term "vehicle" or "vehicular" or other similar terms as used herein generally includes motor vehicles, such as passenger vehicles including Sport Utility Vehicles (SUVs), buses, vans, various commercial vehicles, watercraft including various boats, ships, aircraft, and the like, and includes hybrid vehicles, electric vehicles, plug-in hybrid electric vehicles, hydrogen-powered vehicles, and other alternative fuel vehicles (e.g., fuel derived from sources other than petroleum). As referred to herein, a hybrid vehicle is a vehicle having two or more power sources, such as a vehicle having both gasoline power and electric power.
As used herein, the phrase "vehicle (on-board) system" means an integrated information system having wireless communication capabilities. These systems are sometimes referred to as in-vehicle information systems and are typically integrated with telematics services, entertainment systems, and/or navigation systems.
Further, it should be understood that the term "controller" refers to a hardware device that includes a memory and a processor. The memory is configured to store program instructions, and the processor is configured to execute the program instructions to perform one or more processes described further below.
In the present invention, the memory or storage may include, but is not limited to, a magnetic disk drive, an optical storage device, solid state memory, floppy disk, flexible disk, hard disk, magnetic tape, or any other magnetic medium, optical disk, or any other optical medium, ROM (read only memory), RAM (random access memory), cache memory, and/or any other memory chip or cartridge and/or any other medium from which a computer can read data, instructions, and/or code. The processor may include a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), an Application-Specific Integrated Circuit (ASIC), an Integrated Circuit (IC), a System On Chip (SOC), a Programmable logic device (plc), or a Field Programmable Gate Array (FPGA) with a microprocessor.
In the present invention, each module, device or apparatus may be or include any type of computing device, computing circuit or any type of processor or processing circuit capable of executing a series of instructions stored in a memory. Each module or device may include multiple processors and/or multi-core Central Processing Units (CPUs) and may include any type of processor, such as microprocessors, digital signal processors, microcontrollers, and the like. Each module or device may also include memory to store data and/or program code to execute a series of instructions.
The computer readable storage medium may be machine readable or computer readable. Thus, in some embodiments, a computer-readable storage medium includes a data carrier having executable instructions that can cooperate with a programmable computer system or programmable hardware components such that the control processes described herein are implemented. An embodiment is therefore a data carrier, a digital storage medium or a computer-readable storage medium, on which a program for implementing the control process described herein is recorded.
Embodiments of the invention may generally be implemented as a program, firmware, computer program or a computer program product with program code or data effective to implement a control process when the program is run on a processor or programmable hardware components. The program code or data may also be stored on a machine-readable carrier or data carrier, for example. Program code or data may additionally exist as source code, machine code, or bytecode, as well as other intermediate code.
Furthermore, another example is a data flow, a signal sequence, or a signal sequence, which is a program for implementing the control procedure described herein. A data stream, a signal sequence or a signal sequence may for example be arranged for transmission via a data communication connection, for example via the internet or other networks. Thus, an embodiment may also be a signal sequence representing data, which is suitable for transmission via a network or a data communication connection, wherein the data is a program.
Fig. 1 is a schematic view of a vehicle equipped with a lighting control system according to the present invention. The lighting control system comprises a lighting control apparatus 20 according to the invention and at least one remote control apparatus 40.
As shown in the schematic block diagram of the illumination control system according to the invention shown in fig. 2, the illumination control device 20 according to the invention comprises a control module 21, at least one detection sensor 22 and a projection module 23, wherein the projection module 23 comprises at least one first projection device and at least one second projection device. The first projection device is used for projecting illumination light on a first region 31, and the second projection device is used for projecting illumination light on a second region 32, wherein, in a top projection view of the vehicle, the first region 31 can be a region, such as a fan or a strip, next to a vehicle door or vehicle body side contour, and the second region 32 can be a region, such as a fan or a strip, farther from the vehicle door or vehicle body side contour than the first region 31. Preferably, the first region 31 and the second region 32 are adjacent to each other or partially overlap each other in a top plan view of the vehicle. For example, in a top projection view of the vehicle, the first region 31 may be a region 0 to 1 meter away from the door or body side profile, while the second region 32 may be a region 1 to 3 meters, or even more, away from the door. Of course, such numerical ranges are merely exemplary, and greater or lesser ranges are possible. In the plan projection view shown in fig. 1, the projection module 23 of the illumination control apparatus 20 according to the present invention is mounted on the vehicle front door lower bar, the first region 31 is a fan-shaped region starting from a projection point of the projection module 23 on the ground, and the second region 32 is a fan-shaped region located further outside than the first region 31 with respect to the vehicle.
The operation of the lighting control system and the lighting control device according to the present invention will be described in detail below.
The remote control device 40 is used to issue a trigger signal. The remote control device may be, for example, an automotive electronic key for automatically opening and closing a door lock of a vehicle equipped with a keyless entry system.
The at least one detection sensor 22 is configured to receive signals from the at least one remote control device 40 via wireless signals.
When the driver 50 approaches the vehicle for a certain distance with the remote control device 40, the remote control device sends a trigger signal; the trigger signal is received by the detection sensor 22. Then, the control module 21 calculates a distance d1 between the remote control device 40 (i.e., the driver) and the vehicle according to the received trigger signal, and sets the projection module 23 accordingly according to the distance d1 between the remote control device 40 and the vehicle.
Here, for example, the control module 21 determines the distance d1 between the remote control device 40 and the vehicle 10 based on the strength of the signal received by the at least one detection sensor 22. Or alternatively, the detection sensor 22 may be, for example, a distance sensor capable of sensing a distance between it and the remote control device, and the sensed distance signal can be transmitted to the control module 21.
The control module 21 comprises a central processing unit (or arithmetic unit) and a memory in which at least one predetermined distance d2 is stored. The control module 21 or its central processor compares the distance d1 between the remote control device 40 and the vehicle with the preset distance d2 and sets the operating projection module 23 or its first and second projection devices accordingly based on the comparison.
More specifically, when it is determined that the distance d1 between the remote control device 40 and the vehicle is greater than the preset distance d2, the control module 21 sets the first and second projection devices to be activated to turn on the illumination (referred to as a "first mode of operation"); and when it is determined that the distance d1 between the remote control device 40 and the vehicle is less than or equal to the preset distance d2, the control module 21 sets the first projection device to be turned on and sets the second projection device to be turned off (referred to as a "second mode of operation").
The control module 21 may be part of a central controller of the vehicle or a separate control unit.
The first and second projection devices are configured to project images, which are graphics (e.g., striped carpet patterns) and/or numbers (e.g., dates) and/or text (e.g., "welcomes").
Furthermore, it is preferred that the lighting control system according to the present invention is dynamically adaptable according to the user's needs, for example, the size of the first area 31 and the second area 32 and the size of the preset distance d2 can be individually set by the user within a certain range. The lighting control system and the lighting control device according to the present invention can be dynamically operated according to the real-time distance d1 between the driver 50, i.e., the remote control device 40, and the vehicle, and can be freely switched between the first mode and the second mode. For example, initially when it is determined that the distance d1 between the remote control device 40 and the vehicle is greater than the preset distance d2, the control module 21 sets both the first projection device and the second projection device to be activated to turn on illumination; then, as the driver 50 gets closer to the vehicle, the control module 21 sets the first projection device to be turned on and sets the second projection device to be turned off when it is determined that the distance d1 between the remote control device 40 and the vehicle is less than or equal to the preset distance d 2.
In summary, the lighting control device and the lighting control system according to the present invention achieve for the first time the lighting that is more matched with the actual needs for the driver and the passenger according to the specific location of the approaching driver, i.e. the real-time distance from the driver to the vehicle, so that the driver and the passenger can see the road condition in a wider range under the condition of dim light, so as to prevent stumbling over by obstacles or sprains, falls, etc. due to pits when getting on or off the vehicle, thereby improving the personal safety. Moreover, when the driver or the passenger gets off the vehicle and the distance d1 is within the range of the preset distance d2, only the first projection device needs to be started, and the second projection device is started only at a longer distance, and the two operation modes can be freely switched in real time; thereby achieving the purpose of energy conservation.
It is further to be noted that the embodiments and variants of the invention described in the different embodiments and shown in the figures can be combined with one another as desired. The features can be interchanged as desired.
The features disclosed in the description or the individual features in the claims can be combined with one another in any desired manner, provided that such a combination is technically possible.
Claims (9)
1. A lighting control apparatus (20) for a vehicle (10), comprising:
a control module (21);
at least one detection sensor (22) for receiving a trigger signal from a remote control device (40);
a projection module (23) comprising at least two projection devices;
wherein the control module (21) calculates a distance (d1) between the remote control device (40) and the vehicle based on the received trigger signal, and sets the projection module (23) based on the distance (d1) between the remote control device (40) and the vehicle.
2. The lighting control device (20) of claim 1, wherein a first of the at least two projection devices is configured to project illumination light at a first region (31) and a second of the at least two projection devices is configured to project illumination light at a second region (32).
3. The lighting control device (20) according to claim 2, wherein the first region (31) and the second region (32) are adjacent to each other or partially overlap each other.
4. The lighting control device (20) of one of claims 1 to 3, wherein the control module (21) sets the first and second projection devices of the at least two projection devices by comparing a distance (d1) between the remote control device (40) and the vehicle with a preset distance (d 2).
5. The lighting control device (20) of claim 4,
when the control module (21) determines that the distance (d1) between the remote control device (40) and the vehicle is greater than a preset distance (d2), the control module (21) sets the first projection device and the second projection device to be turned on for illumination;
when the control module (21) determines that the distance (d1) between the remote control device (40) and the vehicle is less than or equal to a preset distance (d2), the control module (21) sets the first projection device to be turned on and sets the second projection device to be turned off.
6. The lighting control device (20) according to one of claims 1 to 3, characterized in that the first and second projection devices are configured to project images, which are graphics and/or numbers and/or text.
7. The lighting control device (20) of one of claims 1 to 3, wherein the at least one detection sensor (22) is configured to receive signals from the at least one remote control device (40) via wireless signals.
8. The lighting control device (20) of one of claims 1 to 3, wherein the control module (21) determines the distance (d1) between the remote control device (40) and the vehicle (10) based on the strength of the signal received by the at least one detection sensor (22).
9. A lighting control system, comprising:
the lighting control device (20) as defined in one of claims 1 to 8; and
at least one remote control device (40) for emitting a trigger signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911226075.0A CN113015304B (en) | 2019-12-04 | 2019-12-04 | Lighting control device and lighting control system for vehicle |
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| CN201911226075.0A CN113015304B (en) | 2019-12-04 | 2019-12-04 | Lighting control device and lighting control system for vehicle |
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| CN113015304A true CN113015304A (en) | 2021-06-22 |
| CN113015304B CN113015304B (en) | 2024-04-09 |
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Cited By (1)
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| CN116181188A (en) * | 2022-12-22 | 2023-05-30 | 重庆长安汽车股份有限公司 | Control method and system for opening vehicle door and vehicle |
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| CN113015304B (en) | 2024-04-09 |
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