CN114992581A - Vehicle lamp and automobile - Google Patents
Vehicle lamp and automobile Download PDFInfo
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- CN114992581A CN114992581A CN202210713740.4A CN202210713740A CN114992581A CN 114992581 A CN114992581 A CN 114992581A CN 202210713740 A CN202210713740 A CN 202210713740A CN 114992581 A CN114992581 A CN 114992581A
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- Prior art keywords
- vehicle
- lamp
- warning
- light
- reversing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
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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
- B60Q1/22—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 for reverse drive
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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
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
- B60Q1/525—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking automatically indicating risk of collision between vehicles in traffic or with pedestrians, e.g. after risk assessment using the vehicle sensor data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
- F21S43/31—Optical layout thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The present invention relates to a lamp for a vehicle, which is assembled on one side of a back door or a vehicle body of the vehicle, and comprises the following components: a housing fixed to the vehicle body or the back door; the reflecting bowl is fixed on the shell and is integrated with a reversing light reflecting structure and a warning light reflecting structure; the LED light source of the reversing lamp is fixed with the reflecting structure of the reversing lamp, and the LED light source of the warning lamp is fixed with the reflecting structure of the warning lamp; the controller is used for controlling the turn-back lamp LED light source and the warning lamp LED light source to be turned on; light generated by the reversing light LED light source is subjected to diffuse reflection by the reversing light reflection structure to form a first pattern indicating that the vehicle is in a reversing state on the rear side of the vehicle; light generated by the LED light source of the warning lamp is reflected by the mirror surface of the warning lamp reflection structure, and then a second pattern for warning a rear vehicle when at least one side of a vehicle door is opened and the intensity of the ambient light outside the vehicle is lower than the preset brightness is formed on the rear side of the vehicle; the second pattern is closer to the vehicle than the first pattern.
Description
Technical Field
The invention belongs to the field of automobile lamp design, and particularly relates to a vehicle lamp capable of realizing a reversing prompt function and a ground-based warning function and an automobile.
Background
The vehicle-equipped light basically has two functions: respectively a lighting function and a signaling function. The backup lamp is used for lighting the road behind the vehicle and warning other road users when the vehicle backs or is about to back. The emergency brake signal is a warning signal to other road users behind the vehicle that the vehicle is decelerating with high deceleration and emergency braking. The identification effect of the warning signal directly influences whether other road use objects can respond to the warning signal in time.
At present, as the application of the automatic driving technology in the field of new energy automobiles is matured, the safety problem of vehicle driving is concerned more and more. Especially under the working condition at night, even if a vehicle backs down, a backing signal is sent out to inform surrounding vehicles of backing down, the vehicles running laterally behind are not easy to be detected in time, and therefore timely reaction cannot be caused.
In addition, the doors are in an open state for a long time at night, no special prompt is given to vehicles driving behind, and the opened doors are often difficult to be noticed by the vehicles driving behind, so that an accident is caused.
Therefore, a technical scheme is needed to be provided, so that other road users can more clearly identify the specific state of the vehicle, the ground warning function can effectively warn the other road users, the occurrence of unexpected working conditions is avoided, and the safety is improved while personalized care experience can be provided for specific users of interactive vehicles.
Most of the prior patents propose ground warning lamps which are designed by the lamp reflecting parts on two sides of the vehicle, and the size of the lamp is relatively large.
Disclosure of Invention
The invention provides a vehicle lamp and a vehicle, wherein the vehicle lamp is arranged on one side of the tail of the vehicle to realize a reversing prompt function and a ground-based warning function, and the size of the vehicle lamp is small, and the realization cost of a single vehicle is low.
The invention is realized by the following technical scheme:
the present invention provides a lamp for a vehicle, which is assembled on one side of a back door or a vehicle body of the vehicle, the lamp comprising:
a housing fixed to the vehicle body or the back door; the reflecting bowl is fixed on the shell and is integrated with a reversing lamp reflecting structure and a warning lamp reflecting structure; the reversing light LED light source is fixed with the reversing light reflecting structure, and the warning light LED light source is fixed with the warning light reflecting structure; the controller is used for controlling the switching of the LED light source of the reversing light and the LED light source of the warning light;
light generated by the reversing light LED light source is subjected to diffuse reflection by the reversing light reflection structure to form a first pattern indicating that the vehicle is in a reversing state on the rear side of the vehicle;
light generated by the LED light source of the warning lamp is reflected by the mirror surface of the warning lamp reflecting structure, and then a second pattern for warning the vehicle or the pedestrian when at least one side of a vehicle door is opened and the intensity of the ambient light outside the vehicle is lower than the preset brightness is formed on the rear side of the vehicle;
the second pattern is closer to the vehicle than the first pattern.
Preferably, the light receiving surface of the reversing light reflecting structure is provided with a plurality of grid-shaped reflecting surfaces; the surface of the warning light reflecting bowl structure for receiving light is a smooth curved surface.
Preferably, a first reversing light reflecting structure, a first warning light reflecting structure, a second warning light reflecting structure and a second reversing light reflecting structure are formed on the reflecting bowl and are arranged along the Y direction of the whole vehicle; the LED light source of the warning lamp comprises a first LED light source of the warning lamp assembled on the first reflecting structure of the warning lamp and a second LED light source of the warning lamp assembled on the second reflecting structure of the warning lamp, and the LED light source of the reversing lamp comprises a first LED light source of the reversing lamp assembled on the first reflecting structure of the reversing lamp and a second LED light source of the reversing lamp assembled on the second reflecting structure of the reversing lamp;
in whole car X direction, first warning light reflection configuration is located behind the second warning light reflection configuration, first back-up light reflection configuration is located before the first warning light reflection configuration, and be located behind the second warning light reflection configuration, the second back-up light reflection configuration with first back-up light reflection configuration flushes.
Preferably, an included angle formed between the first warning light reflecting structure and the Y direction of the whole vehicle is smaller than an included angle formed between the second warning light reflecting structure and the Y direction of the whole vehicle;
the included angle formed between the first reversing light reflection structure and the Y direction of the whole vehicle is equal to the included angle formed between the second reversing light reflection structure and the Y direction of the whole vehicle.
Preferably, the first warning light reflecting structure and the second warning light reflecting structure both comprise a left side reflecting part and a right side reflecting part which are connected;
the left side reflecting part of the first warning lamp reflecting structure projects a part of light generated by the first warning lamp LED light source to a first light spot area close to the vehicle, and the right side reflecting part of the first warning lamp reflecting structure projects the other part of light generated by the first warning lamp LED light source to a second light spot area close to the vehicle;
the left side reflecting part of the second warning lamp reflecting structure projects a part of light generated by the second warning lamp LED light source to a third facula area far away from the vehicle, and the right side reflecting part of the second warning lamp reflecting structure projects the other part of light generated by the second warning lamp LED light source to a fourth facula area far away from the vehicle;
the first speckle region is closer to the vehicle relative to the third speckle region, and the second speckle region is closer to the vehicle relative to the fourth speckle region;
the first speckle region to the fourth speckle region jointly form the second pattern.
Preferably, the first reversing light reflecting structure and the second reversing light reflecting structure both comprise a left side reflecting part and a right side reflecting part which are connected;
the left side reflecting part and the right side reflecting part of the first reversing lamp reflecting structure project light generated by the first reversing lamp LED light source to a first projection area close to a vehicle;
the left side reflecting part and the right side reflecting part of the second reversing lamp reflecting structure project the light generated by the second reversing lamp LED light source to a second projection area close to the vehicle;
the first projection area to the fourth projection area overlap to form the first pattern.
Preferably, the left side reflection portion and the right side reflection portion of the first reversing light reflection structure are completely symmetrical, the left side reflection portion and the right side reflection portion of the second reversing light reflection structure are completely symmetrical, the left side reflection portion and the right side reflection portion of the first warning light reflection structure are completely symmetrical, and the left side reflection portion and the right side reflection portion of the second warning light reflection structure are completely symmetrical.
Preferably, the backup light LED light source is lit when the vehicle is in R range; the warning light LED light source is lighted when at least one side door is opened and the intensity of the ambient light outside the vehicle is lower than the preset brightness.
Preferably, when the warning light LED light source is turned on, the turn-on frequency of the warning light LED light source changes with the relative distance between the vehicle and a rear obstacle detected by a reversing radar mounted on the vehicle;
the larger the relative distance between the rear barrier and the vehicle is, the slower the lighting frequency of the LED light source of the warning lamp is;
the smaller the relative distance between the rear obstacle and the vehicle is, the faster the lighting frequency of the warning light LED light source is.
The invention also provides an automobile, which comprises the vehicle lamp;
the reflecting bowl, the vehicle steering lamp reflecting bowl, the fog lamp reflecting bowl, the brake lamp reflecting bowl, the danger alarm flash lamp reflecting bowl and the width indicator lamp reflecting bowl share the same shell or do not share the same shell.
The invention has the following advantages:
1. the existing patents or schemes are that lamps are transformed on two sides of a vehicle to realize a reversing warning function, and the scheme is characterized in that the lamps for realizing the reversing prompt function and the ground-lighting warning function are arranged on one side of the vehicle in a breaking-through manner, so that the cost of the lamps is obviously reduced;
2. all the reflecting structures in the lamp are horizontally arranged in the Y direction of the whole vehicle, so that the lamp is smaller in the Z direction of the whole vehicle, is easier to arrange and is not limited by the modeling requirement of a single lamp.
3. The scheme considers two scenes of backing a car and opening the door at night, provides a ground-lighting warning function of changing the flicker frequency of the LED light source of the warning lamp according to different distances of rear side obstacles after driving the car at night, and can ensure that the car is safer.
Drawings
FIG. 1 is a schematic view of a reflector bowl in this embodiment;
FIG. 2 is a bottom view of the reflective bowl and LED light source arrangement in this embodiment;
fig. 3 is a view for checking the lighting intensity regulation of the candela sensor for implementing the reversing prompt function and the ground-based warning function of the lamp in the embodiment;
fig. 4 is a top view of the human eye visual effect of the lamp in this embodiment, which realizes the reversing prompt function and the ground-based warning function;
fig. 5 is a control flowchart of the lamp in the present embodiment;
1-a first reversing light reflecting structure, 2-a first warning light reflecting structure, 3-a second warning light reflecting structure, 4-a second reversing light reflecting structure, 11-a first reversing light LED light source, 21-a first warning light LED light source, 31-a second warning light LED light source, 41-a second reversing light LED light source.
Detailed Description
The invention is further described below. The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and not by way of limitation with respect to the scope of the invention. The advantages, features and methods of accomplishing the same may be understood more clearly by reference to the following detailed description of embodiments taken in conjunction with the accompanying drawings.
The invention provides a vehicle lamp which is assembled on one side of a back door or a vehicle body of a vehicle. Because the lamp is only arranged on one side behind the vehicle, the reversing prompt function and the ground-lighting warning function can be realized, and the cost of the lamp can be reduced.
The lamp comprises: a housing fixed to the vehicle body or the back door; the reflecting bowl is fixed on the shell and is integrated with a reversing lamp reflecting structure and a warning lamp reflecting structure; the reversing light LED light source is fixed with the reversing light reflecting structure, and the warning light LED light source is fixed with the warning light reflecting structure; the controller is used for controlling the reversing light LED light source and the warning light LED light source to be switched on and switched off; light generated by the reversing light LED light source is reflected by the reversing light reflection structure to form a first pattern indicating that the vehicle is in a reversing state on the rear side of the vehicle; the light that warning light LED light source produced passes through behind the reflection of warning light reflection structure the rear side of vehicle forms the second pattern that is used for warning vehicle or pedestrian when at least one side door is opened and outer ambient light intensity of car is less than predetermineeing luminance.
For the reflecting bowl, a vehicle steering lamp reflecting bowl, a fog lamp reflecting bowl, a brake lamp reflecting bowl, a danger alarm flash lamp reflecting bowl and a width indicator lamp reflecting bowl share the same shell or do not share the same shell. Whether the common use is realized or not can be designed according to specific requirements.
The lamp in the embodiment can realize the reversing prompt function and the additional ground-lighting warning function required by regulations.
The first pattern is subjected to diffuse reflection on light emitted by the LED light source of the reversing lamp through the reversing lamp reflection structure, and the second pattern is subjected to mirror reflection on the light emitted by the LED light source of the warning lamp through the warning lamp reflection structure; that is, the light receiving surface of the reversing light reflecting structure has a plurality of reflecting surfaces in a grid shape; the light receiving surface of the warning light reflecting bowl structure is a smooth curved surface, so that the brightness of the formed second pattern is far greater than that of the first pattern.
The LED light source of the reversing lamp is matched with the reflecting structure of the reversing lamp to realize the prompting function of the reversing lamp required by the laws and regulations; the newly-increased ground of shining of this embodiment warning light LED light source and warning light reflection configuration's cooperation realization.
The switching of the LED light source of the backup light and the LED light source of the warning light is realized by the control of the controller. Specifically, structures such as a rear cover plate are installed on the rear side of the shell, a control panel is assembled on the rear cover plate and is respectively connected with the reversing light LED light source and the warning light LED light source, and a wiring harness plug-in port is arranged on the rear cover plate and is used for connecting the control panel with a finished automobile wiring harness to achieve control signal input and finished automobile power input. The assembly of the shell, the rear cover plate and the control panel can be realized by referring to the assembly of related components in the prior art.
In this embodiment, the first pattern formed by the diffuse reflection of the reversing light reflecting structure is farther from the vehicle than the second pattern formed by the specular reflection of the warning light reflecting structure. In order to realize the effect, the control is realized according to the included angle of the reversing lamp reflecting structure relative to the Y direction of the whole vehicle and the included angle of the warning lamp reflecting structure relative to the Y direction of the whole vehicle.
As shown in fig. 1, in this embodiment, a first reversing light reflecting structure 1, a first warning light reflecting structure 2, a second warning light reflecting structure 3, and a second reversing light reflecting structure 4 are formed on the reflecting bowl and arranged along the Y direction of the entire vehicle; the warning lamp LED light source comprises a first warning lamp LED light source 21 assembled on the first warning lamp reflecting structure 2 and a second warning lamp LED light source 31 assembled on the second warning lamp reflecting structure 3, and the reversing lamp LED light source comprises a first reversing lamp LED light source 11 assembled on the first reversing lamp reflecting structure 1 and a second reversing lamp LED light source 41 assembled on the second reversing lamp reflecting structure 4;
in whole car X direction, first warning light reflection configuration 2 is located after second warning light reflection configuration 3, first back-up light reflection configuration 1 is located before first warning light reflection configuration 2, and be located after second warning light reflection configuration 3, second back-up light reflection configuration 4 with first back-up light reflection configuration 1 flushes. By virtue of such an arrangement, the first pattern and the second pattern which are finally presented are located at the central position behind the vehicle, and the first pattern follows the second pattern.
Because the first reversing lamp reflecting structure 1, the first warning lamp reflecting structure 2, the second warning lamp reflecting structure 3 and the second reversing lamp reflecting structure 4 are arranged along the whole vehicle Y direction, and the positions of the first reversing lamp reflecting structure 1, the first warning lamp reflecting structure 2, the second warning lamp reflecting structure 3 and the second reversing lamp reflecting structure 4 in the whole vehicle Z direction are flush, the size of the lamp in the whole vehicle Z direction can be minimized; meanwhile, the size of the lamp in the Y direction of the whole vehicle can be minimized by adjusting the angles of the first reversing lamp reflecting structure 1, the first warning lamp reflecting structure 2, the second warning lamp reflecting structure 3 and the second reversing lamp reflecting structure 4 in the Y direction of the whole vehicle and the reflecting surface of the inner part of the surface of the reflecting structure for receiving light.
The first reversing light reflection structure 1, the first warning light reflection structure 2, the second warning light reflection structure 3 and the second reversing light reflection structure 4 are integrally formed.
The assembly of the first backup light LED light source 21 to the second warning light LED light source 31 in the corresponding reflection structure can refer to the assembly method in the prior art; in addition, the first reversing light reflecting structure 1 to the second warning light reflecting structure 3 are fixed in a screwed manner when being assembled on the housing.
As shown in fig. 2, in this embodiment, the first warning light reflecting structure 2 and the second warning light reflecting structure 3 both include a left reflecting portion and a right reflecting portion connected to each other; the left reflecting part of the first warning light reflecting structure 2 projects a part of light generated by the first warning light LED light source 21 to a first speckle zone B11 close to the vehicle, and the right reflecting part of the first warning light reflecting structure 2 projects another part of light generated by the first warning light LED light source 11 to a second speckle zone B21 close to the vehicle; the left reflector of the second warning light reflector 3 projects a part of the light generated by the second warning light LED light source 31 to a third speckle region B12 far away from the vehicle, and the right reflector of the second warning light reflector 3 projects another part of the light generated by the second warning light LED light source 31 to a fourth speckle region B22 far away from the vehicle; the first spot zone B11 is closer to the vehicle relative to the third spot zone B12, the second spot zone B21 is closer to the vehicle relative to the fourth spot zone B22; the first to fourth spot regions B11 to B22 collectively form the second pattern.
The specific shapes of the first speckle region B11 to the fourth speckle region B22 can be changed by modeling design, and are realized by adjusting the angles of the first warning lamp reflecting structure 2 and the second warning lamp reflecting structure 3 relative to the Y direction of the whole vehicle. In this embodiment, in order to realize that the first speckle region B11 is closer to the vehicle than the third speckle region B21, and the second speckle region B12 is closer to the vehicle than the fourth speckle region B22, the first warning light reflecting structure 2 needs to be arranged farther back than the second warning light reflecting structure 3 in the vehicle X direction, that is, the lower intersection points of the left and right side reflecting portions of the first warning light reflecting structure 2 are farther back than the lower intersection points of the left and right side reflecting portions of the second warning light reflecting structure 3; the position relation of the lower intersection point of the first warning light reflecting structure 2 and the second warning light reflecting structure 3 on the whole vehicle coordinate axis is specifically designed according to vehicle size parameters, the position relation is illustrated by specific vehicle data, and the lower intersection point of the first warning light reflecting structure 2 is X-10 mm, Y is 19mm, and Z is 0.
The first reversing light reflecting structure 1 and the second reversing light reflecting structure 4 both comprise a left side reflecting part and a right side reflecting part which are connected; the left side reflecting part and the right side reflecting part of the first reversing lamp reflecting structure 1 project the light generated by the first reversing lamp LED light source 11 to a first projection area close to the vehicle; the left and right reflecting portions of the second backup light reflecting structure 4 project the light generated by the second backup light LED light source 41 to a second projection area near the vehicle; the first to fourth projection areas overlap to form the first pattern (i.e., area a in fig. 3).
Wherein, foretell first back-up light reflection configuration 1's left side reflection part and right side reflection part complete symmetry, second back-up light reflection configuration 4's left side reflection part and right side reflection part complete symmetry, first warning light reflection configuration 2's left side reflection part and right side reflection part complete symmetry, second warning light reflection configuration 3's left side reflection part and right side reflection part complete symmetry.
According to the requirements of the regulations, the illumination intensity and distribution of the backup light must meet certain test requirements. According to the simulation analysis result of the rule requirement, the single-side lamp structure provided by the embodiment of the invention is shown in fig. 3, the first reversing lamp reflecting structure 1 and the second reversing lamp reflecting structure 4 are used for meeting the rule requirement and illustrating the light distribution of the area A (namely the area corresponding to the first pattern), when the single-side lamp structure is specifically applied to a vehicle, according to the rule requirement, the lamp in the embodiment of the invention needs to be positioned on the right side of the vehicle, and the left side of the lamp is provided with a fog lamp.
The first warning lamp reflecting structure 2 and the second warning lamp reflecting structure 3 realize light distribution in a region B (namely a region corresponding to a second pattern) of the graph, and an included angle (acute angle) formed by the first warning lamp reflecting structure 2 and a horizontal plane (the Y direction of the whole vehicle) is smaller than an included angle formed by the second warning lamp reflecting structure 3 and the horizontal plane (the Y direction of the whole vehicle), so that light spots formed by reflection of the first warning lamp reflecting structure 2 are closer to the vehicle; further, the maximum curvature of the first warning lamp reflecting structure 2 is smaller than the minimum curvature of the reflecting structure of the second warning lamp reflecting structure 3 to concentrate the light of the first warning lamp LED light source 21 closer to the vehicle.
Fig. 3 is a regulatory review of the lighting intensity of the candela sensor for implementing the ground-based warning function in the present embodiment, and fig. 4 is a top view of the visual effect of the human eye of the luminaire for implementing the ground-based warning function in the present embodiment, which mainly includes the following contents:
the first warning light reflection structure 2 is divided into a left side reflection part and a right side reflection part, and the left side reflection part is responsible for realizing a first light spot area B21 in the figure 4 that the right side warning light is close to the vehicle end; the right reflecting part is responsible for realizing the second speckle zone B11 in the figure 4 that the left warning lamp approaches the end of the vehicle.
Similarly, the second warning light reflecting structure 3 is divided into a left reflecting part and a right reflecting part, and the left reflecting part is responsible for realizing that the right warning light is far away from a third speckle area B22 in fig. 4 at the vehicle end; the right reflector is responsible for realizing the fourth speckle region B12 in fig. 4 where the left warning light is far away from the vehicle end.
The first speckle region B11 is closer to the vehicle than the third speckle region B21, and the second speckle region B12 is closer to the vehicle than the fourth speckle region B22; the first to fourth spot regions B11 to B22 collectively form the second pattern.
The light diffusely reflected by the first and second backup light reflecting structures 1 and 2 is overlapped in the area a in fig. 4, i.e., the first pattern is formed.
As shown in fig. 5, the control flow method for implementing the functions of reverse prompting and ground-lighting warning by using the lamp in this embodiment mainly includes the following steps:
1. reversing light LED light source and warning light LED light source starting condition
a) When the vehicle is in the R gear, the controller controls the current of the LED light source of the backup lamp to be turned on, and under the condition, the controller controls the LED light source of the warning lamp not to be turned on;
b) when the vehicle is not in the R gear, the vehicle judges whether the door on any side is opened, and when no door is opened, the controller controls the LED light source of the warning lamp and the LED light source of the reversing lamp not to be opened;
c) when any door of the vehicle is in an open state, the vehicle judges the illumination intensity outside the vehicle, and when the illumination intensity outside the vehicle is greater than a certain value (indicating daytime), the controller controls the LED light source of the warning lamp and the LED light source of the backup lamp not to be opened;
d) when any door of the vehicle is in an open state, the vehicle judges the outdoor illumination intensity, and when the illumination intensity is less than or equal to a preset value (indicating that the time is night), the controller controls the LED light source of the warning lamp to be opened;
e) when the vehicle is started because the door of the vehicle is opened and the vehicle is at night, the vehicle sends an instruction to the controller according to the backward distance of the vehicle detected by the reversing radar so as to control the LED light source of the warning lamp to flash;
f) the flashing frequency of the LED light source of the warning lamp changes according to the distance between a vehicle or a pedestrian (namely, a backward barrier) coming backwards, and the flashing frequency is higher the closer the distance is.
2. Lamp exit conditions (all conditions as follows are satisfied);
a) when the gear of the vehicle is switched from the R gear to other gears, the controller controls the LED light source of the reversing light to be turned off;
b) when the illumination intensity outside the vehicle is less than or equal to a certain value and the vehicle is switched from the state that any one vehicle door is opened to the state that all vehicle doors are closed, the controller controls the LED light source of the warning lamp to be closed.
The above embodiment has the following technical effects:
1. the existing patents or schemes are that lamps are transformed on two sides of a vehicle to realize a reversing warning function, and the scheme is characterized in that lamps for realizing the reversing prompt function and the ground warning function are arranged on one side of the vehicle in a breakthrough manner, so that the cost of the lamps is obviously reduced;
2. all the reflecting structures in the lamp are horizontally arranged in the Y direction of the whole vehicle, so that the lamp is smaller in the Z direction of the whole vehicle, is easier to arrange and is not limited by the modeling requirement of a single lamp.
3. The scheme considers two scenes of backing a car and opening the door at night, provides a ground-lighting warning function for changing the flashing frequency of the warning lamp LED light source according to different distances of rear side obstacles after the car is driven at night, and can ensure that the car is safer.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A lamp for a vehicle, characterized in that the lamp is mounted on one side of a back door or a vehicle body of a vehicle, the lamp comprising:
a housing fixed to the vehicle body or the back door; the reflecting bowl is fixed on the shell and is integrated with a reversing lamp reflecting structure and a warning lamp reflecting structure; the reversing light LED light source is fixed with the reversing light reflecting structure, and the warning light LED light source is fixed with the warning light reflecting structure; the controller is used for controlling the switching of the LED light source of the reversing light and the LED light source of the warning light;
light generated by the reversing light LED light source is subjected to diffuse reflection by the reversing light reflection structure to form a first pattern indicating that the vehicle is in a reversing state on the rear side of the vehicle;
light generated by the LED light source of the warning lamp is reflected by the mirror surface of the warning lamp reflecting structure, and then a second pattern used for warning the vehicle or the pedestrian when at least one side of a vehicle door is opened and the intensity of the environment light outside the vehicle is lower than the preset brightness is formed on the rear side of the vehicle;
the second pattern is closer to the vehicle than the first pattern.
2. A vehicle lamp as set forth in claim 1, wherein a light receiving face of the reversing light reflecting structure has a plurality of reflecting faces in a lattice shape; the surface of the warning light reflection bowl structure for receiving light is a smooth curved surface.
3. The vehicle lamp according to claim 1, wherein the reflector bowl is formed with a first backup lamp reflecting structure (1), a first warning lamp reflecting structure (2), a second warning lamp reflecting structure (3) and a second backup lamp reflecting structure (4) arranged in a vehicle Y direction;
the warning lamp LED light source comprises a first warning lamp LED light source (21) assembled on the first warning lamp reflecting structure (2) and a second warning lamp LED light source (31) assembled on the second warning lamp reflecting structure (3);
the reversing light LED light source comprises a first reversing light LED light source (11) assembled on the first reversing light reflecting structure (1) and a second reversing light LED light source (41) assembled on the second reversing light reflecting structure (4);
in whole car X direction, first warning light reflection configuration (2) are located after second warning light reflection configuration (3), first back-up light reflection configuration (1) is located before first warning light reflection configuration (2), and is located after second warning light reflection configuration (3), second back-up light reflection configuration (4) with first back-up light reflection configuration (1) flushes.
4. The vehicle lamp according to claim 3, wherein an angle formed between the first warning light reflecting structure (2) and the Y direction of the entire vehicle is smaller than an angle formed between the second warning light reflecting structure (3) and the Y direction of the entire vehicle;
the included angle that forms between first car reversing light reflection structure (1) and the whole car Y direction equals the included angle that forms between second car reversing light reflection structure (4) and the whole car Y direction.
5. A vehicle lamp as claimed in claim 3, wherein said first warning lamp reflecting structure (2) and said second warning lamp reflecting structure (3) each include a left reflecting portion and a right reflecting portion connected to each other;
the left side reflecting part of the first warning lamp reflecting structure (2) projects part of light generated by the first warning lamp LED light source (21) to a first light spot area close to a vehicle, and the right side reflecting part of the first warning lamp reflecting structure (2) projects the other part of light generated by the first warning lamp LED light source (21) to a second light spot area close to the vehicle;
the left side reflecting part of the second warning lamp reflecting structure (3) projects a part of light generated by the second warning lamp LED light source (31) to a third facula area far away from the vehicle, and the right side reflecting part of the second warning lamp reflecting structure (3) projects the other part of light generated by the second warning lamp LED light source (31) to a fourth facula area far away from the vehicle;
the first speckle region is closer to the vehicle relative to the third speckle region, and the second speckle region is closer to the vehicle relative to the fourth speckle region;
the first speckle region to the fourth speckle region together form the second pattern.
6. A vehicle light as claimed in claim 5, characterized in that the first and second backup light reflecting structures (1, 4) each comprise a left and right side reflecting portion connected;
the left side reflecting part and the right side reflecting part of the first reversing lamp reflecting structure (1) project light generated by the first reversing lamp LED light source (11) to a first projection area close to a vehicle;
the left side reflecting part and the right side reflecting part of the second reversing lamp reflecting structure (4) project the light generated by the second reversing lamp LED light source (41) to a second projection area close to the vehicle;
the first projection area to the fourth projection area are overlapped to form the first pattern.
7. The vehicle lamp according to claim 6, wherein the left side reflecting portion and the right side reflecting portion of the first backup lamp reflecting structure (1) are completely symmetrical, the left side reflecting portion and the right side reflecting portion of the second backup lamp reflecting structure (4) are completely symmetrical, the left side reflecting portion and the right side reflecting portion of the first warning lamp reflecting structure (2) are completely symmetrical, and the left side reflecting portion and the right side reflecting portion of the second warning lamp reflecting structure (4) are completely symmetrical.
8. The vehicular lamp according to claim 1, wherein the backup light LED light source is turned on when the vehicle is in an R range; the warning light LED light source is lighted when at least one side door is opened and the outside ambient light intensity is lower than the preset brightness.
9. The vehicle lamp according to claim 8, wherein when the warning lamp LED light source is turned on, an on frequency of the warning lamp LED light source changes in accordance with a relative distance between a rear obstacle detected by a reversing radar mounted on the vehicle and the vehicle;
the larger the relative distance between the rear obstacle and the vehicle is, the slower the lighting frequency of the LED light source of the warning lamp is;
the smaller the relative distance between the rear obstacle and the vehicle is, the faster the lighting frequency of the warning light LED light source is.
10. An automobile characterized by comprising the vehicular lamp according to one of claims 1 to 9;
the reflection bowl, a vehicle steering lamp reflection bowl, a fog lamp reflection bowl, a brake lamp reflection bowl, a danger alarm flash lamp reflection bowl and a width indicator lamp reflection bowl share the same shell or do not share the same shell.
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| CN202210713740.4A CN114992581B (en) | 2022-06-22 | 2022-06-22 | Lamp for vehicle and automobile |
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Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee after: Deep Blue Automotive Technology Co.,Ltd. Address before: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee before: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |