CN114992581B - Lamp for vehicle and automobile - Google Patents
Lamp for vehicle and automobile Download PDFInfo
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- CN114992581B CN114992581B CN202210713740.4A CN202210713740A CN114992581B CN 114992581 B CN114992581 B CN 114992581B CN 202210713740 A CN202210713740 A CN 202210713740A CN 114992581 B CN114992581 B CN 114992581B
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- reflecting
- lamp
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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 vehicle lamp, which is assembled on one side of a back door or a vehicle body of a vehicle, and comprises: a housing fixed to the vehicle body or the back door; a reflecting bowl fixed on the shell, wherein the reflecting bowl is integrated with a reversing light reflecting structure and a warning light reflecting structure; a backup light LED light source fixed with the backup light reflecting structure, and a warning light LED light source fixed with the warning light reflecting structure; a controller for controlling the LED light source of the backup lamp and the LED light source of the warning lamp to be lighted; the method comprises the steps that light generated by a reversing light LED light source is diffusely reflected by a reversing light reflecting structure, and then a first pattern indicating that the vehicle is in a reversing state is formed on the rear side of the vehicle; after the light generated by the LED light source of the warning lamp is subjected to specular reflection by the reflecting structure of the warning lamp, a second pattern for warning the rear vehicle is formed on the rear side of the vehicle when at least one side of the vehicle door is opened and the external environment light intensity of the vehicle is lower than the preset brightness; 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 illumination warning function and an automobile.
Background
The lamps and lanterns that the vehicle was equipped with possess basically two kinds of functions: respectively a lighting function and a signaling function. Wherein the backup lamp is used for lighting the road behind the vehicle and warning other road users when the vehicle is in or about to be in the backward direction. The emergency braking signal is an alarm signal that the vehicle is decelerating in an emergency braking manner, which is issued to other road users behind the vehicle. The recognition effect of the warning signal directly influences whether other road use objects can timely respond to the road use objects.
At present, as the application of the automatic driving technology in the field of new energy automobiles is mature, the problem of vehicle driving safety is paid more attention. Particularly, under the night working condition, even if a vehicle backs up, a reversing signal is sent to inform surrounding vehicles of the backing-up condition, the vehicles running at the back side are often not easy to perceive in time, and the vehicles cannot respond in time.
In addition, the night car door is in an open state for a long time, no special prompt is given to the car running in the rear, and the car running in the rear is difficult to timely detect the open car door, so that an unexpected collision accident occurs.
Therefore, a technical scheme is required to be provided, so that other road users can clearly identify the specific state of the vehicle, the ground warning function can effectively warn other road users, the occurrence of unexpected working conditions is avoided, and personalized care experience can be provided for specific users of the interactive vehicle while the safety is improved.
The ground-illuminating warning lamps which are mostly proposed in the prior patents are realized by means of lamp reflecting parts on two sides of a vehicle, and the lamp size is designed relatively large.
Disclosure of Invention
The invention provides a vehicle lamp and an automobile, which realize a reversing prompt function and a ground warning function by arranging a single side at the tail part of the vehicle.
The invention is realized by the following technical scheme:
the present invention provides a vehicle lamp, which is assembled on one side of a back door or a vehicle body of a vehicle, and comprises:
a housing fixed to the vehicle body or the back door; the reflection bowl is fixed on the shell and is integrated with a reversing light reflection structure and a warning light reflection structure; a backup light LED light source fixed with the backup light reflecting structure and a warning light LED light source fixed with the warning light reflecting structure; a controller for controlling the switching of the backup light LED light source and the warning light LED light source;
the light generated by the reversing light LED light source is diffusely reflected by the reversing light reflecting structure and then forms a first pattern indicating that the vehicle is in a reversing state on the rear side of the vehicle;
after the light generated by the LED light source of the warning lamp is specularly reflected by the reflecting structure of the warning lamp, a second pattern for warning the vehicle or the pedestrian when the vehicle door at least at one side is opened and the light intensity of the outside environment is lower than the preset brightness is formed at 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 lamp 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 which are arranged along the Y direction of the whole vehicle are formed on the reflecting bowl; the warning light LED light source comprises a first warning light LED light source assembled on the first warning light reflecting structure and a second warning light LED light source assembled on the second warning light reflecting structure, and the reversing light LED light source comprises a first reversing light LED light source assembled on the first reversing light reflecting structure and a second reversing light LED light source assembled on the second reversing light reflecting structure;
in the whole car X direction, first warning light reflecting structure is located behind the second warning light reflecting structure, first back-up lamp reflecting structure is located before the first warning light reflecting structure, and is located behind the second warning light reflecting structure, second back-up lamp reflecting structure with first back-up lamp reflecting structure 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 reflecting structure and the Y direction of the whole vehicle is equal to the included angle formed between the second reversing light reflecting 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 reflecting part and a right reflecting part which are connected;
the left reflecting part of the first warning light reflecting structure projects a part of light generated by the first warning light LED light source to a first light spot area close to a vehicle, and the right reflecting part of the first warning light reflecting structure projects another part of light generated by the first warning light LED light source to a second light spot area close to the vehicle;
the left reflecting part of the second warning light reflecting structure projects a part of light generated by the second warning light LED light source to a third light spot area far away from the vehicle, and the right reflecting part of the second warning light reflecting structure projects another part of light generated by the second warning light LED light source to a fourth light spot area far away from the vehicle;
the first spot area is closer to the vehicle than the third spot area, and the second spot area is closer to the vehicle than the fourth spot area;
the first light spot area to the fourth light spot area form the second pattern together.
Preferably, the first backup light reflecting structure and the second backup light reflecting structure each include a left reflecting portion and a right reflecting portion connected;
the left side reflecting part and the right side reflecting part of the first reversing light reflecting structure project the light generated by the first reversing light 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 light reflecting structure project the light generated by the second reversing light 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 reflecting portion and the right side reflecting portion of the first reversing light reflecting structure are completely symmetrical, the left side reflecting portion and the right side reflecting portion of the second reversing light reflecting structure are completely symmetrical, the left side reflecting portion and the right side reflecting portion of the first warning light reflecting structure are completely symmetrical, and the left side reflecting portion and the right side reflecting portion of the second warning light reflecting structure are completely symmetrical.
Preferably, the backup light LED light source is illuminated 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 outside environment light intensity 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 varies with the relative distance between the vehicle and the rear obstacle detected by the reversing radar mounted on 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 LED light source of the warning lamp is.
The invention also provides an automobile, which comprises the lamp for the vehicle;
the reflecting bowl and the reflecting bowl of the vehicle steering lamp, the fog lamp, the brake lamp, the hazard warning flash lamp and the indicating width lamp share the same shell or do not share the same shell.
The invention has the following advantages:
1. the existing patent or scheme realizes the reversing warning function by carrying out lamp reconstruction on both sides of the vehicle, and the scheme breakthrough arranges lamps for realizing the reversing warning function and the ground warning function on one side of the vehicle, so that the cost of the lamps is obviously reduced;
2. all reflection structures in the lamp are horizontally arranged in the Y direction of the whole vehicle, so that the lamp is smaller in Z-direction dimension of the whole vehicle, easier to arrange and not limited by the modeling requirement of a single lamp.
3. According to the scheme, two scenes of reversing and night door opening are considered, the ground illumination warning function that the flashing frequency is changed according to different distances of rear side obstacles by using the LED light source of the warning lamp after the vehicle door is opened at night is provided, and the vehicle can be enabled to be safer.
Drawings
FIG. 1 is a schematic view of a reflective 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 diagram of a candela sensor luminous intensity regulation check for realizing a reversing prompt function and a ground warning function of the lamp in the embodiment;
fig. 4 is a top view of a human eye visual effect of the lamp in the embodiment for realizing a reversing prompt function and a ground illumination warning function;
FIG. 5 is a control flow chart 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 and 41-a second reversing light LED light source.
Detailed Description
The invention is further described below. The principles and features of the present invention are described below with reference to the drawings, the examples being provided for illustration only and not for limitation of the scope of the invention. The advantages, features and methods of the invention may be understood more clearly by reference to the following detailed description of the embodiments taken in conjunction with the accompanying drawings.
The present 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 illumination warning function can be realized, and the cost of the lamp can be reduced.
The luminaire comprises: a housing fixed to the vehicle body or the back door; the reflection bowl is fixed on the shell and is integrated with a reversing light reflection structure and a warning light reflection structure; a backup light LED light source fixed with the backup light reflecting structure and a warning light LED light source fixed with the warning light reflecting structure; a controller for controlling the switching of the backup light LED light source and the warning light LED light source; the light generated by the reversing light LED light source is reflected by the reversing light reflecting structure to form a first pattern indicating that the vehicle is in a reversing state on the rear side of the vehicle; and after the light generated by the LED light source of the warning lamp is reflected by the reflecting structure of the warning lamp, a second pattern for warning the vehicle or the pedestrian when the vehicle door at least at one side is opened and the light intensity of the outside environment is lower than the preset brightness is formed at the rear side of the vehicle.
For the reflecting bowl, the reflecting bowl of the steering lamp of the vehicle, the reflecting bowl of the fog lamp, the reflecting bowl of the brake lamp, the reflecting bowl of the hazard warning flash lamp and the reflecting bowl of the width indicating lamp share the same shell or do not share the same shell. Whether or not the two are shared in particular can be designed according to specific requirements.
The lamp in the embodiment can realize a reversing prompt function and an additional ground warning function required by regulations.
The first pattern is formed by diffusely reflecting light emitted by the LED light source of the reversing light by the reversing light reflecting structure, and the second pattern is formed by specularly reflecting light emitted by the LED light source of the warning light by the warning light reflecting structure; that is, 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 lamp reflecting bowl structure for receiving light is a smooth curved surface, so that the brightness of the formed second pattern is far greater than that of the first pattern.
The cooperation of the backup lamp LED light source and the backup lamp reflecting structure realizes the backup lamp prompting function required by regulations; the cooperation of this warning light LED light source and warning light reflection configuration realizes this embodiment's newly added warning function that shines on ground.
The switching of the backup light LED light source and the warning light LED light source is realized through the control of a controller. Specifically, rear cover plate and other structures are mounted on the rear side of the shell, a control panel is mounted on the rear cover plate and is respectively connected with the reversing light LED light source and the warning light LED light source, a wire harness plug-in connector is arranged on the rear cover plate, and the wire harness plug-in connector is used for connecting the control panel with a whole vehicle wire harness to realize control signal input and whole vehicle power supply input. The assembly of the housing, the back 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 diffuse reflection of the backup light reflecting structure is farther from the vehicle than the second pattern formed by specular reflection of the warning light reflecting structure. In order to achieve the effect, the control is achieved according to the included angle of the reversing light reflecting structure relative to the Y direction of the whole vehicle and the included angle of the warning light reflecting structure relative to the Y direction of the whole vehicle.
As shown in fig. 1, in this embodiment, a first backup light reflecting structure 1, a first warning light reflecting structure 2, a second warning light reflecting structure 3 and a second backup light reflecting structure 4 that are arranged along the Y direction of the whole vehicle are formed on the reflecting bowl; the warning light LED light sources comprise a first warning light LED light source 21 assembled on the first warning light reflecting structure 2 and a second warning light LED light source 31 assembled on the second warning light reflecting structure 3, and the reversing light LED light sources comprise 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 the whole car X direction, first warning light reflecting structure 2 is located behind the second warning light reflecting structure 3, first back-up light reflecting structure 1 is located before first warning light reflecting structure 2, and is located behind the second warning light reflecting structure 3, second back-up light reflecting structure 4 with first back-up light reflecting structure 1 flushes. By virtue of such an arrangement, the first pattern and the second pattern that are finally presented are located in a centered position behind the vehicle, and the first pattern is behind the second pattern.
Since the first backup light reflecting structure 1, the first warning light reflecting structure 2, the second warning light reflecting structure 3 and the second backup light reflecting structure 4 are arranged along the whole vehicle Y direction, the positions of the first backup light reflecting structure 1, the first warning light reflecting structure 2, the second warning light reflecting structure 3 and the second backup light reflecting structure 4 in the whole vehicle Z direction are flush, so that the size of the lamp in the whole vehicle Z direction can be minimized; meanwhile, the size of the lamp in the whole vehicle Y direction can be minimized by adjusting the angles of the first reversing light reflecting structure 1, the first warning light reflecting structure 2, the second warning light reflecting structure 3 and the second reversing light reflecting structure 4 relative to the whole vehicle Y direction and the reflecting surface in the surface for receiving light on the reflecting structure.
The first backup lamp reflecting structure 1, the first warning lamp reflecting structure 2, the second warning lamp reflecting structure 3 and the second backup lamp reflecting 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 be referred to the assembly method in the prior art; furthermore, the first to the second backup light reflection structures 1 to 3 are fixed by screwing at the time of assembly 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 each include a left reflecting portion and a right reflecting portion that are connected; 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 light spot area 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 light spot area B21 close to the vehicle; the left reflecting part of the second warning light reflecting structure 3 projects a part of light generated by the second warning light LED light source 31 in a third light spot area B12 far away from the vehicle, and the right reflecting part of the second warning light reflecting structure 3 projects another part of light generated by the second warning light LED light source 31 in a fourth light spot area B22 far away from the vehicle; the first light spot area B11 is closer to the vehicle than the third light spot area B12, and the second light spot area B21 is closer to the vehicle than the fourth light spot area B22; the first to fourth spot areas B11 to B22 collectively form the second pattern.
The specific shape of the first light spot area B11 to the fourth light spot area B22 may be changed through a modeling design, and the specific shape is realized through adjusting the angles of the first warning light reflecting structure 2 and the second warning light reflecting structure 3 relative to the Y direction of the whole vehicle. In this embodiment, in order to achieve that the first light spot area B11 is closer to the vehicle than the third light spot area B21, and the second light spot area B12 is closer to the vehicle than the fourth light spot area B22, the first warning light reflecting structure 2 needs to be disposed further to the rear than the second warning light reflecting structure 3 in the X direction of the whole vehicle, that is, the lower intersection points of the left and right side reflecting portions of the first warning light reflecting structure 2 are further to the rear 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 the vehicle size parameter, the position relation is exemplified by specific vehicle data, and the lower intersection point of the first warning light reflecting structure 2 is X-10 mm, Y-19 mm and Z-0.
The first reversing light reflecting structure 1 and the second reversing light reflecting structure 4 comprise a left reflecting part and a right reflecting part which are connected; the left side reflecting part and the right side reflecting part of the first reversing light reflecting structure 1 project the light generated by the first reversing light LED light source 11 on a first projection area close to a vehicle; the left side reflecting part and the right side reflecting part of the second back-up light reflecting structure 4 project the light generated by the second back-up light LED light source 41 on a second projection area close to the vehicle; the first projection area to the fourth projection area overlap to form the first pattern (i.e., region a in fig. 3).
The left side reflecting portion and the right side reflecting portion of the first reversing light reflecting structure 1 are completely symmetrical, the left side reflecting portion and the right side reflecting portion of the second reversing light reflecting structure 4 are completely symmetrical, the left side reflecting portion and the right side reflecting portion of the first warning light reflecting structure 2 are completely symmetrical, and the left side reflecting portion and the right side reflecting portion of the second warning light reflecting structure 3 are completely symmetrical.
According to the regulation requirement, the illumination intensity and distribution of the backup lamp must meet certain test requirements. According to the simulation analysis result of the regulation requirement, as shown in fig. 3, the first backup lamp reflecting structure 1 and the second backup lamp reflecting structure 4 are used for meeting the regulation requirement and illustrating the light distribution of the area a (namely, the area corresponding to the first pattern), and when the single-side lamp structure is specifically applied to a vehicle, according to the regulation requirement, the lamp in the embodiment of the invention is required to be positioned on the right side of the vehicle, and the fog lamp is arranged on the left side of the lamp.
The first warning light reflecting structure 2 and the second warning light reflecting structure 3 realize the light distribution of the region B (namely the region corresponding to the second pattern), and the included angle (acute angle) formed by the first warning light reflecting structure 2 and the horizontal plane (the whole vehicle Y direction) is smaller than the included angle formed by the second warning light reflecting structure 3 and the horizontal plane (the whole vehicle Y direction), so that the light spots formed by the reflection of the first warning light reflecting structure 2 are closer to the vehicle; in addition, the maximum curvature of the first warning light reflecting structure 2 is smaller than the minimum curvature of the reflecting structure of the second warning light reflecting structure 3 to concentrate the light of the first warning light LED light source 21 closer to the vehicle.
Fig. 3 is a schematic diagram illustrating a candela sensor luminous intensity regulation check for implementing a ground-based warning function in this embodiment, and fig. 4 is a top view illustrating a human eye visual effect of implementing the ground-based warning function of the lamp in this embodiment, which mainly includes the following contents:
the first warning lamp reflecting structure 2 is divided into a left reflecting part and a right reflecting part, and the left reflecting part is responsible for realizing a first light spot area B21 in the figure 4 of the right warning lamp approaching the vehicle end; the right reflecting portion is responsible for realizing the second light spot area B11 in fig. 4 where the left warning lamp is close to the vehicle end.
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 a third light spot area B22 in the figure 4 of the right warning light far away from the vehicle end; the right reflecting part is responsible for realizing the fourth light spot area B12 in fig. 4 of the left warning lamp far from the vehicle end.
The first light spot area B11 is closer to the vehicle than the third light spot area B21, and the second light spot area B12 is closer to the vehicle than the fourth light spot area B22; the first to fourth spot areas B11 to B22 collectively form the second pattern.
The light diffusely reflected by the first backup light reflecting structure 1 and the second backup light reflecting structure 2 overlaps in the area a in fig. 4, i.e. forms the first pattern.
As shown in fig. 5, the control flow method for implementing the reversing prompt and the ground illumination warning function by using the lamp in the embodiment mainly includes the following steps:
1. LED light source of reversing light and LED light source starting condition of warning light
a) When the vehicle is in the R gear, the controller controls the current of the LED light source of the reversing light to be started, and in this case, the controller controls the LED light source of the warning light not to be started;
b) When the vehicle is not in R gear, the vehicle judges whether the door at 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 to be not 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 larger than a certain value (indicating daytime), the controller controls the LED light source of the warning lamp and the LED light source of the reversing lamp not to be turned on;
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 smaller than or equal to a preset value (indicating night), the controller controls the LED light source of the warning lamp to be turned on;
e) When the vehicle is opened due to the fact that the vehicle door is opened and is at night, the vehicle sends an instruction to the controller according to the distance between the vehicle and the backward vehicle detected by the reversing radar, so that the LED light source of the warning lamp is controlled to flash;
f) The flicker frequency of the LED light source of the warning lamp changes according to the distance between a backward vehicle or a pedestrian (namely, a backward obstacle), and the closer the distance is, the higher the flicker frequency is.
2. Luminaire exit conditions (all conditions are met as follows);
a) When the vehicle gear is switched from the R gear to other gears, the controller controls the LED light source of the backup lamp to be turned off;
b) When the illumination intensity outside the vehicle is smaller than or equal to a certain value, the vehicle is switched from any one of the vehicle doors to all the vehicle doors which are closed, and the controller controls the LED light sources of the warning lamps to be closed.
The above embodiment has the following technical effects:
1. the existing patent or scheme realizes the reversing warning function by carrying out lamp reconstruction on both sides of the vehicle, and the scheme breakthrough arranges lamps for realizing the reversing warning function and the ground warning function on one side of the vehicle, so that the cost of the lamps is obviously reduced;
2. all reflection structures in the lamp are horizontally arranged in the Y direction of the whole vehicle, so that the lamp is smaller in Z-direction dimension of the whole vehicle, easier to arrange and not limited by the modeling requirement of a single lamp.
3. According to the scheme, two scenes of reversing and night door opening are considered, the ground illumination warning function that the flashing frequency is changed according to different distances of rear side obstacles by using the LED light source of the warning lamp after the vehicle door is opened at night is provided, and the vehicle can be enabled to be safer.
The above disclosure is illustrative of the preferred embodiments of the present invention and, of course, should not be taken as limiting the scope of the invention, and those skilled in the art will recognize that all or part of the procedures described above can be performed without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A lamp for a vehicle, the lamp being mounted on a back door or a side of a vehicle body of the vehicle, the lamp comprising:
a housing fixed to the vehicle body or the back door; the reflection bowl is fixed on the shell and is integrated with a reversing light reflection structure and a warning light reflection structure; a backup light LED light source fixed with the backup light reflecting structure and a warning light LED light source fixed with the warning light reflecting structure; a controller for controlling the switching of the backup light LED light source and the warning light LED light source;
the light generated by the reversing light LED light source is diffusely reflected by the reversing light reflecting structure and then forms a first pattern indicating that the vehicle is in a reversing state on the rear side of the vehicle;
after the light generated by the LED light source of the warning lamp is specularly reflected by the reflecting structure of the warning lamp, a second pattern for warning the vehicle or the pedestrian when the vehicle door at least at one side is opened and the light intensity of the outside environment is lower than the preset brightness is formed at the rear side of the vehicle;
the second pattern is closer to the vehicle than the first pattern;
the reflection bowl is provided with a first reversing light reflection structure (1), a first warning light reflection structure (2), a second warning light reflection structure (3) and a second reversing light reflection structure (4) which are arranged along the Y direction of the whole vehicle;
in the whole car X direction, first warning light reflecting structure (2) are located behind second warning light reflecting structure (3), first back-up light reflecting structure (1) are located before first warning light reflecting structure (2), and are located behind second warning light reflecting structure (3), second back-up light reflecting structure (4) with first back-up light reflecting structure (1) flushes.
2. The vehicle lamp according to claim 1, wherein the light receiving surface of the backup light reflecting structure has a plurality of reflecting surfaces in a mesh shape; the surface of the warning light reflecting structure for receiving light is a smooth curved surface.
3. The vehicle light fixture according to claim 1, characterized in that the warning light LED light sources comprise a first warning light LED light source (21) fitted on the first warning light reflecting structure (2) and a second warning light LED light source (31) fitted on the second warning light reflecting structure (3);
the backup light LED light source comprises a first backup light LED light source (11) mounted on the first backup light reflecting structure (1) and a second backup light LED light source (41) mounted on the second backup light reflecting structure (4).
4. A vehicle light fitting according to claim 3, characterized in that the angle formed between the first warning light reflecting structure (2) and the whole vehicle Y direction is smaller than the angle formed between the second warning light reflecting structure (3) and the whole vehicle Y direction;
the included angle formed between the first reversing light reflecting structure (1) and the whole vehicle Y direction is equal to the included angle formed between the second reversing light reflecting structure (4) and the whole vehicle Y direction.
5. A vehicle light fixture according to claim 3, characterized in that the first warning light reflecting structure (2) and the second warning light reflecting structure (3) each comprise a left reflecting portion and a right reflecting portion connected;
the left side 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 light spot area close to a vehicle, and the right side reflecting part of the first warning light reflecting structure (2) projects another part of light generated by the first warning light LED light source (21) to a second light spot area close to the vehicle;
the left side reflecting part of the second warning light reflecting structure (3) projects a part of light generated by the second warning light LED light source (31) in a third light spot area far away from the vehicle, and the right side reflecting part of the second warning light reflecting structure (3) projects another part of light generated by the second warning light LED light source (31) in a fourth light spot area far away from the vehicle;
the first spot area is closer to the vehicle than the third spot area, and the second spot area is closer to the vehicle than the fourth spot area;
the first light spot area to the fourth light spot area form the second pattern together.
6. The vehicle lamp according to claim 5, wherein the first backup lamp reflecting structure (1) and the second backup lamp reflecting structure (4) each include a left side reflecting portion and a right side reflecting portion connected;
the left side reflecting part and the right side reflecting part of the first reversing light reflecting structure (1) project the light generated by the first reversing light LED light source (11) on a first projection area close to a vehicle;
the left side reflecting part and the right side reflecting part of the second reversing light reflecting structure (4) project the light generated by the second reversing light LED light source (41) on a second projection area close to a vehicle;
the first projection area and the second projection area overlap to form the first pattern.
7. The vehicle lamp according to claim 6, wherein the left and right reflecting portions of the first backup lamp reflecting structure (1) are completely symmetrical, the left and right reflecting portions of the second backup lamp reflecting structure (4) are completely symmetrical, the left and right reflecting portions of the first warning lamp reflecting structure (2) are completely symmetrical, and the left and right reflecting portions of the second warning lamp reflecting structure (3) are completely symmetrical.
8. The vehicle lamp according to claim 1, wherein the backup lamp LED light source is turned on 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 outside environment light intensity is lower than the preset brightness.
9. The vehicle lamp according to claim 8, wherein when the warning light LED light source is turned on, a lighting frequency of the warning light LED light source varies with a relative distance between a rear obstacle detected by a reverse 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 LED light source of the warning lamp is.
10. An automobile, characterized by comprising a vehicle lamp as claimed in one of claims 1 to 9;
the reflecting bowl and the vehicle steering lamp reflecting bowl, the fog lamp reflecting bowl, the brake lamp reflecting bowl, the hazard warning flash lamp reflecting bowl and/or the width indicating lamp reflecting 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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| CN202210713740.4A CN114992581B (en) | 2022-06-22 | 2022-06-22 | Lamp for vehicle and automobile |
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| CN114992581B true CN114992581B (en) | 2023-06-02 |
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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. |
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