WO2022183711A1 - Vehicle light module, vehicle, and method for forming light pattern of vehicle light illumination module - Google Patents

Abstract

A vehicle illumination device, in particular, a vehicle light module, comprising a light source (1), wherein the light source (1) comprises at least a first square light-emitting chip (11) and is mounted on a rotatable rotary support (2), so that the light source (1) can be driven, along with the rotary support (2), to swing about a rotational axis at a set frequency, wherein the axis of a rotary shaft (21) is the rotational axis; and there is a set included angle between one edge of the first square light-emitting chip (11) and the plane perpendicular to the rotary shaft. A vehicle and a method for forming an emergent light pattern of a vehicle light illumination module. The structure design of the vehicle light module is simplified, and a light pattern having a cut-off line is formed by means of quick movement of the light-emitting chip (11).

Description

Vehicle lamp module, vehicle and method for forming light emitted from vehicle lamp lighting module

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the benefit of Chinese patent application 202110227499.X filed on March 01, 2021 and Chinese patent application 202110226630.0 filed on March 01, 2021, the contents of which are incorporated herein by reference.

technical field

The present invention relates to a vehicle lighting device, in particular, to a vehicle lamp module, and in addition, to a vehicle and a method for forming an emitted light shape of the vehicle lamp lighting module.

Background technique

Existing and traditional light sources are generally statically arranged, especially when more and more LED light-emitting chips are used at present, the light sources and related optical parts are fixed directly or indirectly.

In the existing high-beam integrated vehicle lamp module, realizing the low-beam function requires shielding the light in the high-beam area. Usually, a switch for the high-beam function is realized by switching the shading plate, and the corresponding shading plate is also provided with a switch for controlling the high-beam function. The power drive mechanism of the shading plate moving up and down; however, it leads to the loss of light energy of the light source, and the shielded light will also cause the temperature of the shading plate and its vicinity to rise sharply, which has high requirements for the heat resistance of the mechanical structure.

Moreover, the existing high-beam and low-beam vehicle lamp lighting functions are generally classified into reflective type and projection type. The reflective type is mainly composed of a light source and a reflective bowl, and the cut-off line of light and dark is realized by the boundary of the reflective surface on the reflective bowl; the projection type is composed of a light source, a reflective bowl, a shading plate and a lens, and the structure is relatively complex.

Therefore, a new type of vehicle lamp module needs to be designed.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a vehicle lamp module, which simplifies the structural design, and forms a light shape with a cut-off line of light and dark through the rapid movement of the light-emitting chip.

The further technical problem to be solved by the present invention is to provide a vehicle with high light efficiency.

In addition, the technical problem to be solved by the present invention is to provide a method for forming a light shape of a vehicle lamp lighting module, which can not only improve the light efficiency, but also facilitates a simplified structural design.

In order to achieve the above object, a first aspect of the present invention provides a vehicle lamp module, including a light source, the light source at least includes a first square light-emitting chip, and is installed on a rotatable rotating bracket, so that the light source can follow The rotating support is driven to oscillate around a rotating axis at a set frequency; wherein, an edge of the first square light-emitting chip has an included angle with a set angle with a plane perpendicular to the rotating axis.

Preferably, it also includes a fixed bracket and a rotating motor that can be rotatably connected to the rotating shaft on the rotating bracket, and the rotating bracket is respectively connected to the rotating motor and the fixed bracket through a swing structure.

Further, the swing structure includes a first bearing installed on the rotating support and a torsion spring disposed between the rotating support and the fixed support, and a driving gear is fixed on the rotating shaft of the rotating motor. , the driving gear is connected with the first bearing through a cam, the cam is provided with gear teeth that can mesh with the driving gear, and the torsion spring includes a spring end connected with the fixed bracket and a The torsion arm to which the swivel bracket is attached.

Typically, the fixed bracket is provided with a rotational speed sensor for detecting the rotational frequency of the cam.

Typically, it also includes a lens, the lens is connected to the fixed support through a lens support, and the rotating support is located in the space formed between the lens support and the fixed support.

Further, the light source is located in the focal area of the lens.

More preferably, the light source further comprises a second square light-emitting chip arranged side by side with the first square light-emitting chip, and the edge of the upper end of the second square light-emitting chip is parallel to a plane perpendicular to the rotation axis, so At least one of the left and right right-angle points of the first square light-emitting chip is located on the extension line of the edge of the upper end of the second square light-emitting chip.

Further, the first square light-emitting chip is a multi-chip light-emitting chip.

Preferably, the set angle is not less than 15° and less than 90°.

Specifically, the set angle is 15° or 45°.

Specifically, the set frequency is greater than 30 Hz.

Typically, the rotating shaft is mounted on the fixed bracket through a second bearing.

A second aspect of the present invention provides a vehicle, including the vehicle lamp module according to any one of the technical solutions of the first aspect.

A third aspect of the present invention provides a method for forming a light shape of a vehicle lamp lighting module, wherein the light source of the vehicle lamp lighting module includes at least a first square light-emitting chip; wherein, the forming method includes the following steps: first , arrange the first square light-emitting chip with an edge or an extension line of the edge of the first square light-emitting chip and a plane perpendicular to the rotation axis at a set angle; second, drive the light source around the The rotation axis swings at a set frequency to form the shape of the outgoing light.

More preferably, it also includes a third step, the first square light-emitting chip is a multi-chip light-emitting chip, including a low-beam light-emitting chip for forming a low beam and a high-beam light-emitting chip for forming a high beam. The on-off of the high beam light-emitting chip realizes the switching of the far and near beam lighting.

Specifically, in the second step, the light source is driven by a rotating motor to oscillate at a set frequency.

Specifically, the vehicle lamp lighting module further includes a rotating bracket for installing the light source and a fixed bracket connected with the rotating shaft of the rotating bracket; in the second step, the rotating motor passes through the rotating bracket The light source is driven to oscillate around the rotation axis at a set frequency.

Further, a torsion spring is connected between the rotating support and the fixed support, and a cam is connected between the rotating support and the rotating motor; in the second step, the rotating motor pushes the rotating motor through the cam. The rotating bracket rotates around the rotating shaft, and then the rotating bracket rotates under the action of the restoring force of the torsion spring, and the above process is repeated, so that the light source oscillates with the rotating bracket at a set frequency.

Preferably, a rotational speed sensor is provided on the fixed bracket, and the rotational frequency of the cam is detected by the rotational speed sensor, so as to ensure that the light source oscillates at a set frequency.

Typically, the vehicle lamp lighting module further includes a lens, the light source is located in a focal area of the lens, and in the second step, the light emitted by the light source is projected through the lens to form an outgoing light shape.

Through the above technical solutions, the vehicle lamp module of the present invention designs the light source as a light source that can swing periodically. Specifically, the light source is arranged on the rotating bracket, so that the light source can follow the rotating bracket to be driven around the rotation axis at a set frequency Swing simplifies the design of the light source; a square light-emitting chip is used as the light source, and creatively, one edge of the first square light-emitting chip is set to have a set angle with the plane perpendicular to the rotation axis, so , when the light source follows the rotating bracket to swing around the rotation axis at a set frequency, the light emitted by the first square light-emitting chip can form a light shape with an oblique line in the cut-off line of light and dark, and the light shape can be used for high beam lighting, or , Combined with the existing vehicle lamp lighting system, a low beam shape with a complete cut-off line of bright and dark can be formed; the shading plate in the conventional integrated vehicle lamp module of high and low beams is not required, the utilization rate of the light source is improved, and the structural design is simplified.

Further, the rotating support is connected to the rotating motor and the fixed support respectively through the swing structure, the rotating motor pushes the rotating support to rotate around the rotating shaft to one side through the cam, and then under the action of the torsion spring, the rotating support is pulled back to the original position around the rotating shaft. position, forming a complete swing process, in this way, under the uninterrupted driving of the rotating motor, the light source can follow the rotating bracket to swing periodically, and then a continuous light shape can be formed.

In addition, a second square light-emitting chip can be arranged side by side with the first square light-emitting chip. The arrangement of the second square light-emitting chip on the circuit board is different from that of the first square light-emitting chip. One edge of the first square light-emitting chip needs to be There is a set angle with the plane perpendicular to the rotation axis, and the edge of the upper end of the second square light-emitting chip is parallel to the plane perpendicular to the rotation axis, and at least one of the left and right right angle points of the first square light-emitting chip is located On the extension line of the edge of the upper end of the second square light-emitting chip, in this way, when the light source swings periodically, a low beam shape with a cut-off line of bright and dark can be directly formed.

Moreover, the first square light-emitting chip is a multi-chip light-emitting chip, and the low beam function and the high beam function can be integrated together. .

Other advantages of the present invention and the technical effects of the preferred embodiments will be further described in the following specific embodiments.

Description of drawings

Fig. 1 is a perspective structural view of an embodiment of the present invention;

2 is a front view of an embodiment of the present invention;

Fig. 3 is a partial cross-sectional view along line A-A in Fig. 2;

Fig. 4 is the sectional view along B-B line in Fig. 3;

FIG. 5 is a three-dimensional assembly view of an embodiment of the present invention;

Figure 6 is a side view of an embodiment of the present invention;

Fig. 7 is the sectional view along C-C line in Fig. 6;

Fig. 8 is the sectional view along D-D line in Fig. 7;

9 is a schematic diagram of a light shape formed by swinging a first square light-emitting chip in an embodiment of the present invention;

10 is a schematic diagram of a light shape formed by swinging a second square light-emitting chip in an embodiment of the present invention;

11 is a schematic diagram of the arrangement positions between the first square light-emitting chip and the second square light-emitting chip in an embodiment of the present invention;

Figure 12 is a schematic view of the light shape formed by the first square light-emitting chip in Figure 11 and the second square light-emitting chip swinging together;

13 is a schematic diagram of the arrangement position between a first square light-emitting chip and a second square light-emitting chip in an embodiment of the present invention; wherein the first square light-emitting chip is a multi-chip light-emitting chip;

FIG. 14 is a schematic diagram of a low beam light shape formed by swinging together the first square light-emitting chip and the second square light-emitting chip in FIG. 13;

FIG. 15 is a schematic diagram of the high beam light shape formed by the light-emitting chip at the upper end of the first square light-emitting chip in FIG. 13 alone emitting light;

FIG. 16 is a schematic diagram of the light shapes of far and near beams formed by swinging together the first square light-emitting chip and the second square light-emitting chip in FIG. 13;

FIG. 17 is a flow-step block diagram of a method for forming a light shape of a vehicle lamp lighting module according to a specific embodiment of the present invention.

Description of reference numerals

1 light source

11 The first square light-emitting chip 12 The second square light-emitting chip

13 The first light-emitting area 14 The second light-emitting area

15 The third light-emitting area

2 rotating bracket 21 rotating shaft

3Fixing bracket 31Second bearing

4 rotating motor 41 driving gear

51 first bearing 52 torsion spring

6 cam 7 speed sensor

8 Lenses 81 Lens Holders

Detailed ways

The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "arrangement" and "connection" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection The connection, or the integral connection; may be a direct connection or an indirect connection through an intermediate medium, and may be the internal communication of two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In addition, the terms "first", "second" and "third" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or indicating the number of technical features indicated, therefore, limited to The features of "first", "second", "third" may expressly or implicitly include one or more of said features.

First of all, it should be noted that in the description of the following technical solutions of the present invention, the azimuth words "front", "rear", etc. are used, which are technical definitions based on the car lamp module itself as the azimuth reference. The direction is front, and the opposite is rear. The azimuth words "left and right" refer to the left and right sides along the illumination direction of the vehicle lights, and the azimuth words "upper and lower" refer to the upper and lower sides along the illumination direction of the vehicle lights. However, the "front", "rear", "left", "right", "upper" and "lower" do not refer to the necessary orientation of the lamp module installed on the vehicle. The installation positions of the lamps are different, and the limitation on the orientation of the lamp module itself does not constitute a limitation on the protection scope of the lamp module of the present invention. The technical meaning of the orientation of the lamp module of the present invention applied to the vehicle should be based on the actual The installation status is explained in conjunction with the technical orientation meaning based on the lamp module itself.

Referring to FIG. 1 to FIG. 16 , the vehicle lamp module according to the basic embodiment of the present invention includes a light source 1, and the light source 1 includes at least a first square light-emitting chip 11 and is mounted on a rotatable rotating bracket 2 to The light source 1 can be driven to oscillate around the rotation axis at a set frequency following the rotation bracket 2; wherein, an edge of the first square light-emitting chip 11 has a setting with a plane perpendicular to the rotation axis. Fixed angle.

In the above-mentioned basic embodiment, generally the light-emitting chip is usually arranged on a circuit board, that is, the circuit board provided with the first square light-emitting chip 11 is mounted on the rotating support 2, when the rotating support 2 is driven around the rotation axis When swinging at the set frequency, and the first square light-emitting chip 11 is in the light-on state, as shown in FIG. 9 , a continuous light shape will be formed; The bright light shape can be divided into a horizontal part light shape and an inclined part light shape. The two are superimposed to form a low beam light shape. The edge of the low beam light shape is the well-known cut-off line of light and dark, which is used to prevent the eyes of the oncoming vehicle driver from crossing the car. Causes glare; the existing headlamp lighting modules mostly use a shading plate to block the light emitted by the light source to form a low beam shape, and in order to realize the integrated module of the far and near beams, a power drive mechanism is usually set to control the shading plate up and down However, due to the shading of the shading plate, part of the light will be lost, the utilization rate of the light source is reduced, and the structure is relatively complicated; however, the vehicle lamp module of the present invention One edge of 11 is set to have a set angle with the plane perpendicular to the rotation axis, which can skillfully form an oblique line in the cut-off line of light and dark. Swing, the inclined part of the light shape of the low beam will be formed, and the horizontal part of the light shape can be realized by using the existing conventional lighting. The horizontal part of the light shape of the low beam shape is formed; a light-emitting chip can also be provided, so that the light-emitting chip and the first square light-emitting chip 11 swing together with the rotating bracket 2 to correspondingly form the horizontal part of the light shape of the low beam shape.

It should be noted that the installation orientation of the second square light-emitting chip 12 and the first square light-emitting chip 11 is consistent with the orientation of the vehicle lamp module of the present invention, and the rotation axis is arranged along the up-down direction of the vehicle lamp module , to ensure that the low beam shape can be formed after swinging at the set frequency; as shown in FIG. 9, since the first square light-emitting chip 11 is set obliquely, its right-angle points can be divided into up, down, left, right, right angles according to the azimuth; although , the above-mentioned first square light-emitting chip 11 arranged obliquely is mainly used to form a low beam shape, but can also be used to form a high beam.

Specifically, as shown in FIG. 11 and FIG. 12 , the light source 1 further includes a second square light-emitting chip 12 , the second square light-emitting chip 12 is arranged side by side with the first square light-emitting chip 11 , and the ridges on the upper end of the second square light-emitting chip 12 are arranged side by side. The sides are parallel to the plane perpendicular to the rotation axis, and at least one of the left and right right-angle points of the first square light-emitting chip 11 is located on the extension line of the edge of the upper end of the second square light-emitting chip 12; FIG. 12 shows the second square light-emitting chip 12 An example of the arrangement form with the first square light-emitting chip 11 , in this example, the second square light-emitting chip 12 and the first square light-emitting chip 11 are square light-emitting chips, and the left and right two square light-emitting chips of the first square light-emitting chip 11 The right-angle points all fall on the edge extension line of the upper end of the second square light-emitting chip 12 , or, only one of the left and right right-angle points of the first square light-emitting chip 11 falls on the edge of the upper end of the second square light-emitting chip 12 . In this way, the light emitted from the second square light-emitting chip 12 and the first square light-emitting chip 11 can form a low beam shape with a well-connected light-dark cut-off line. Similarly, the second square light-emitting chip 12 and the first square light-emitting chip A square light-emitting chip 11 can also be a rectangular light-emitting chip, or, one is a square light-emitting chip, and the other is a rectangular light-emitting chip; in addition, when only one of the two right-angle points on the left and right of the first square light-emitting chip 11 falls on When the edge of the upper end of the second square light-emitting chip 12 is extended on the line, it can form a low beam shape corresponding to left-hand drive or right-hand drive, especially when the first square light-emitting chip 11 is a square light-emitting chip, the left and right right angles When they all fall on the edge extension line of the upper end of the second square light-emitting chip 12 , a lamp module corresponding to both left-hand drive and right-hand drive can be formed, and switching between left-hand drive and right-hand drive can be easily realized according to usage needs.

The first square light-emitting chip 11 and the second square light-emitting chip 12 may adopt an LED chip, an OLED light-emitting chip, or a laser-based light-emitting chip or the like.

In an example shown in FIG. 12 , preferably, the number of the second square light-emitting chips 12 is two, and the number of the first square light-emitting chips 11 is one. The number of square light-emitting chips 11 can be selected and set according to needs; in addition, compared with a conventional lighting system that uses matrix light-emitting chips as light sources, the vehicle lamp module of the present invention uses a small number of light-emitting chips, and the same situation Under the same cooling device, a better cooling effect can be obtained.

In addition, in the examples shown in FIGS. 12 to 16 , the second square light-emitting chip 12 and the first square light-emitting chip 11 are both arranged perpendicular to the illumination direction of the vehicle lamp, however, the second square light-emitting chip 12 and the first square light-emitting chip 12 are arranged perpendicular to the illumination direction of the vehicle lamp. The shaped light-emitting chip 11 can also be disposed obliquely toward the illumination direction of the vehicle lamp, as long as it can finally form a low beam shape.

In a specific embodiment, in order to obtain a light shape that is easy for the human eye to recognize, the set frequency is required to ensure that the frequency is greater than the frequency recognizable by the human eye, generally greater than 30Hz, such as 40Hz, 50Hz, 80Hz, 90Hz, 100Hz, etc.

In a specific embodiment, the set angle is not less than 15° and less than 90°; further, according to the existing standard for headlamps, the left end of the cut-off line is horizontal, and the right end, that is, the HV point, is inclined upward by 15° or 45°, For this reason, the set angle is preferably 15° or 45°; it can be understood that the above angle is selected according to the existing standard. If the standard is revised and the angle is changed, the lamp module of the present invention can also be applied in the modified angle value.

Various specific structures can be used to realize that the light source 1 oscillates according to the set frequency following the rotating bracket 2. For example, the rotating bracket 2 is connected to the servo motor, and the rotating bracket 2 can be oscillated at the set frequency by controlling the forward and reverse rotation of the servo motor;

In the preferred embodiment of the present invention, as shown in FIG. 1 to FIG. 8 , the rotating bracket 2 is mounted on the fixed bracket 3 through the rotating shaft 21 , and the rotating shaft 21 can rotate relative to the fixed bracket 3 . Specifically, as shown in FIG. 3 As shown, the second bearing 31 can be embedded in the fixed bracket 3. In order not to affect the projection of the light shape, two second bearings 31 are arranged on the fixed bracket 3. Correspondingly, the rotating bracket 2 is also provided with a rotating shaft at each end. 21. The second bearing 31 can be sleeved and fixedly connected with the rotating shaft 21 to realize the swinging motion of the rotating support 21 and ensure the stability of the swinging motion of the rotating support 21; in the example shown in FIG. 5, the rotating shaft 21 is located in the rotating support 2 The front end of the light source 1, the installation surface of the light source 1 is located at the rear end of the rotating bracket 2, and the rotating bracket 2 can also have other specific structural forms, such as the rotating shaft 21 is located at the rear end of the rotating bracket 2, and the installation surface of the light source 1 is located at the front end of the rotating bracket, or, A connecting rod is installed at the rear end of the installation surface of the light source 1, and the connecting rod is fixedly connected with the rotating shaft 21; wherein, the axis of the rotating shaft 21 is the rotating axis.

Further, as shown in FIG. 3 to FIG. 7 , the rotating support 2 is respectively connected with the rotating motor 4 and the fixed support 3 through the swing structure, so as to realize the periodic swing of the rotating support 2 . Specifically, the swing structure includes a first bearing 51 and a torsion spring 52 . As shown in FIG. 7 , the first bearing 51 is installed on the rotating support 2 , and as shown in FIG. 4 , the torsion spring 52 is installed on the rotating support 2 and the fixed support 3 . Between, the spring end is connected with the fixed bracket 3, and the torsion arm is connected with the rotating bracket 2, which can provide a restoring force during the swinging process of the rotating bracket 2. A driving gear 41 is fixed on the rotating shaft of the rotating motor 4, and the driving gear 41 and The first bearing 51 is connected to the cam 6 , and the cam 6 is formed with gear teeth that can cooperate with the driving gear 41 , so that the rotating motor 4 can drive the cam 6 to rotate, and the first bearing 51 pushes the rotating bracket 2 to rotate around the rotating shaft 21 . One side swings, and then swings in the opposite direction under the action of the restoring force of the torsion spring 52, so that the rotating bracket 2 can swing periodically, so that the light emitted by the light source 1 can form a continuous and uniform light shape.

Within the scope of the technical concept of the present invention, the above-mentioned embodiment can also be simply changed to form another embodiment. The rotary motor 4 is replaced by a hydraulic cylinder, and the piston rod of the hydraulic cylinder is connected with the rotary support 2. The rotating bracket 2 is driven to swing around the rotating shaft 21, and at the same time, the torsion spring 52 does not need to be arranged on the rotating bracket 2 and the fixed bracket 3, and the rotating bracket 2 can be periodically oscillated by controlling the telescopic frequency of the piston rod. Alternatively, the rotating bracket 2 is directly connected with the rotating shaft of the servo motor, and by controlling the forward and reverse rotation of the servo motor, the rotating bracket 2 can be oscillated at a set frequency.

In a specific embodiment, as shown in FIG. 3 and FIG. 7 , a rotational speed sensor 7 can be set to detect the rotation frequency of the cam 6 to ensure that the swing frequency of the rotating bracket 2 is greater than 30 Hz. Specifically, the rotational speed sensor 7 can be installed on the fixed bracket. 3 above; wherein, the rotational speed sensor 7 adopts existing instruments and equipment that can be used to detect rotational speed, preferably, a Hall sensor is used.

Generally, as shown in FIG. 1 to FIG. 3 and FIG. 5 , the lamp module further includes a lens 8, the lens 8 is connected to the fixing bracket 3 through the lens bracket 81, and a space is formed between the lens bracket 81 and the fixing bracket 3, The rotating bracket 2 is located in this space.

Further, the light source 1 is located in the focal area of the lens 8, that is, in the process that the light source 1 periodically swings with the rotating bracket 2, the light source 1 swings near the focal point of the lens 8, so that the light source 1 emits The scattered light forms a parallel beam after passing through the lens 8 .

In addition, in order to form a vehicle lamp module with integrated high and low beams, the first square light-emitting chip 11 can use a multi-chip light-emitting chip; FIG. 13 shows an example of the first square light-emitting chip 11 using a two-chip light-emitting chip, 13 , the light-emitting chip at the lower end of the first square light-emitting chip 11 can be used to form the low beam, and the light-emitting chip at the upper end thereof can be used to form the high beam; when the first square light-emitting chip 11 is turned on alone When the light-emitting chip at the upper end of the first square is used, as shown in FIG. 15, a light shape as shown in the third light-emitting area 15 can be formed to form a high-beam light shape through the lens 8. When the first square light-emitting chip 11 is turned on at the same time When the light-emitting chip and the second square light-emitting chip 12 are used, as shown in FIG. 14, a light shape as shown by the combination of the first light-emitting area 13 and the second light-emitting area 14 can be formed, so as to be emitted through the lens 8 to form a low beam shape, and, It can be applied to left- or right-hand drive vehicles; when the light-emitting chip at the upper end of the first square light-emitting chip 11 , the light-emitting chip at the lower end of the first square light-emitting chip 11 and the second square light-emitting chip 12 are turned on at the same time, as shown in the figure As shown in 16, the light shape shown by the first light-emitting area 13, the second light-emitting area 14 and the third light-emitting area 15 can be formed, and the light exits through the lens 8 to form a low beam shape and a high beam light shape that exist at the same time; The case where the square light-emitting chip 11 adopts other multi-chip light-emitting chips can be deduced from the above-mentioned two-chip example.

1 to 16 , the vehicle lamp module according to the preferred embodiment of the present invention includes a light source 1, a rotating bracket 2, a fixed bracket 3 and a rotating motor 4; the light source 1 includes a first square light-emitting chip 11 and a second square light-emitting chip 11. The light-emitting chip 12, the first square light-emitting chip 11 and the second square light-emitting chip 12 are arranged side by side, and are mounted on the rotating support 2 through the circuit board; the upper and lower ends of the rotating support 2 are respectively provided with a rotating shaft 21, each rotating shaft 21 and the two second bearings 31 on the fixed bracket 3 are correspondingly fixed and sleeved, so that the rotating bracket can rotate relative to the fixed bracket 3 around the rotation axis 21; as shown in FIG. 12 or FIG. 14, the first square light-emitting chip 11 One of the left and right edges of the upper end has a set angle with the plane perpendicular to the rotation axis of the rotating shaft 21. According to the current standard for automotive LED headlights, the set angle can be 15° or 45°. , the edge of the upper end of the second square light-emitting chip 12 needs to be parallel to the plane perpendicular to the rotation axis of the rotating shaft 21 , and at least one of the left and right right angle points of the first square light-emitting chip 11 is located at the edge of the upper end of the second square light-emitting chip 12 In this way, with the periodic oscillation of the first square light-emitting chip 11 and the second square light-emitting chip 12, a low beam shape or a high beam light shape can be formed. When the first square light-emitting chip 11 It is a multi-chip light-emitting chip, as shown in FIG. 16, which can form a low beam shape and a high beam light shape that exist at the same time; Referring to FIG. 3, FIG. 5 and FIG. 7, the rotating shaft 21 is located at the front end of the rotating bracket 2, The installation surface of the light source 1 is located in the middle area of the rotating bracket 2 , and the rear end of the rotating bracket 2 is also installed with a first bearing 51 . Correspondingly, the rotating motor 4 is installed at the rear end of the fixed bracket 3 , and the rotating shaft of the rotating motor 4 is A driving gear 41 is fixedly connected, and a cam 6 is arranged between the driving gear 41 and the first bearing 51 , and the cam 6 is provided with gear teeth that can mesh with the driving gear 41 . A torsion spring 52 is installed between the torsion spring 52 and the fixed bracket 3, the spring end of the torsion spring 52 is connected to the fixed bracket 3, and its torsion arm is connected to the rotating bracket 2. In this way, under the driving of the rotating motor 4, the driving gear 41 drives the cam 6 to rotate , push the rear end of the rotating bracket 2 to swing to the side deviating from its middle position through the first bearing 51, and then under the action of the torsion spring 52, the rotating bracket 2 is returned to its original position, and the rotating shaft of the rotating motor 4 continues to rotate. , so that the rotating bracket 2 swings periodically, that is, the light source 1 follows the rotating bracket 2 to swing at the set frequency, and the set frequency needs to be greater than the frequency that can be recognized by the human eye, generally greater than 30Hz. A rotation sensor 7 can be provided to detect the rotation frequency of the cam 6; in addition, as shown in FIG. 3, a lens 8 can be provided at the front end of the lamp module, and the lens 8 is connected to the fixed bracket 3 through a lens bracket 81, and the light source 1 is located at the front end of the lamp module. within the focal area of the lens 8 , so that the scattered light emitted by the light source 1 forms a parallel light beam through the lens 8 .

It can be seen from the above that the technical solution of the vehicle lamp module integrating the far and near beams saves the conventional optical structures such as shading plates and reflector bowls, simplifies the overall design structure, and reduces the difficulty of assembly. Moreover, the formed light shape is uniform. Sex is better.

Embodiments of the vehicle of the present invention may have the vehicle lamp modules described in the above embodiments, that is, all technical solutions of the above-mentioned embodiments of the vehicle lamp modules are adopted, and therefore at least have the implementation of all the vehicle lamp modules described above. The beneficial effects brought by all the technical solutions of the example.

In addition, referring to FIG. 3 , FIG. 9 and FIG. 17 , according to the method for forming the shape of the light emitted by the vehicle lamp lighting module according to the basic embodiment of the present invention, the light source 1 of the vehicle lamp lighting module includes at least a first square light-emitting chip 11 ; The forming method includes the following steps: a first step S1, arranging the first square light-emitting chip 11 in an orientation where an edge or an edge extension line of the first square light-emitting chip 11 intersects with a plane perpendicular to the rotation axis at a set angle Shape the light-emitting chip 11; in the second step S2, drive the light source 1 to swing around the rotation axis at a set frequency to form the shape of the outgoing light.

In the above-mentioned basic embodiment of the present invention, the first square light-emitting chips 11 are arranged according to the above-mentioned orientation, and the light source 1 is driven to oscillate around the rotation axis at a set frequency, so as to have a light shape that forms an inclined line portion with a cut-off line. , the shading plate structure can be omitted in the design, the structural design of the lamp lighting module is optimized, a new method for forming the light shape of the lamp lighting module is provided, and the selection range of the design of the vehicle lamp lighting module is expanded. .

Moreover, in order to make the outgoing light shape have a complete shape of the cut-off line, there can be various methods. For example, on the basis of the above-mentioned basic embodiment, a conventional lighting module is set up, as long as the lighting module can provide outgoing light The light shape of the horizontal part of the shape can be used, for example, a horizontal light shape is formed by a conventional set of LED light sources with fixed positions, and the first square light-emitting chip 11 cooperates to form a low beam light shape with a complete cut-off line.

Preferably, as shown in FIGS. 11 to 16 , a second square light-emitting chip 12 can be arranged side by side with the first square light-emitting chip 11 , so that the upper or lower edge of the second square light-emitting chip 12 is perpendicular to the rotation axis. At the same time, at least one of the left and right right-angle points of the first square light-emitting chip 11 is arranged on the extension line of the edge of the upper end of the second square light-emitting chip 12; in this way, there is no need to additionally set the For conventional lighting modules that form a horizontal part of the light shape; as the first square light-emitting chip 11 and the second square light-emitting chip 12 swing together around the rotation axis at a set frequency, a complete low beam light shape can be formed. It is more concise; the function of the light-emitting chip set can also be realized. At the same time, since the number of the first square light-emitting chip 11 and the second square light-emitting chip 12 is less than that of the light-emitting chip set in the conventional headlamp module, The same heat dissipation device can achieve better heat dissipation effect, and there is no need to provide a shading plate structure, which will not cause the temperature of the shading plate and its vicinity to rise sharply, which is also convenient for simplifying the structure and facilitating production and assembly.

Further, referring to FIGS. 13 to 16 , the first square light-emitting chip 11 may be a multi-chip light-emitting chip, and the first square light-emitting chip 11 shown in FIG. 13 uses a two-chip light-emitting chip as an example for illustration. The two-chip light-emitting chip can be divided into a low-beam light-emitting chip for forming a low beam and a high-beam light-emitting chip for forming a high beam. The low-beam light-emitting chip is located at the lower end of the first square light-emitting chip 11, and the high beam emits light. The chip is located at the upper end of the first square light-emitting chip 11; in this way, the switching of the far and near beam lighting can be realized by controlling the on-off of the high beam light-emitting chip; in this way, a vehicle lamp lighting module for integrating the far and near beams can be easily realized The formation method of the outgoing light shape; compared with the conventional integrated module of far and near light using the shading plate, the structure is more concise, the response is more agile, and the design is more exquisite.

As can be seen from the above, in the above-mentioned basic embodiment of the method for forming the emitted light shape of the vehicle lamp lighting module of the present invention, the light source 1 can be oscillated at the set frequency through a simple structural design, and it is convenient for the control system of the vehicle. For the control of the rotating motor 4, the control procedure is simple and convenient, so that the light source 1 can be oscillated according to the set frequency accurately.

Referring to FIGS. 1 to 17 , a method for forming a light shape of a vehicle lamp lighting module according to a preferred embodiment of the present invention includes the following steps:

Arrange the first square light-emitting chip 11 in an orientation where an edge or an edge extension line of the first square light-emitting chip 11 intersects with a plane perpendicular to the rotation axis at a set angle, and at the same time arrange the second square light-emitting chip 12 Its upper edge is parallel to the plane perpendicular to the rotation axis, and at least one of the left and right right-angle points of the first square light-emitting chip 11 is arranged on the extension line of the upper edge of the second square light-emitting chip 12 ;

Install the first square light-emitting chip 11 and the second square light-emitting chip 12 on the light source mounting surface of the rotating bracket 2 through the circuit board;

The rotating motor 4 is started, and the rotating bracket 2 is driven by the cam 6 to swing relative to the fixed bracket 3 according to the set frequency around the rotating shaft 21. The light emitted by the first square light-emitting chip 11 and the second square light-emitting chip 12 is emitted through the lens 8 to form a near light shape;

When the first square light-emitting chip 11 is a multi-chip light-emitting chip, the switching of far and near light illumination is realized by controlling the on-off of the light-emitting chip at the upper end of the first square light-emitting chip 11;

The rotation frequency of the cam 6 is detected by the rotational speed sensor 7 to ensure that the swing frequency of the rotating bracket 2 is greater than the frequency recognizable by the human eye.

The preferred embodiments of the present invention have been described above in detail with reference to the accompanying drawings, however, the present invention is not limited thereto. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solutions of the present invention, including the combination of various specific technical features in any suitable manner. In order to avoid unnecessary repetition, the present invention will not describe various possible combinations. However, these simple modifications and combinations should also be regarded as the contents disclosed in the present invention, and all belong to the protection scope of the present invention.

Claims (20)

1. A vehicle lamp module, comprising a light source (1), characterized in that the light source (1) at least comprises a first square light-emitting chip (11), and is mounted on a rotatable rotating bracket (2), so that the The light source (1) can follow the rotating support (2) to be driven to oscillate around the rotation axis at a set frequency; wherein, one edge of the first square light-emitting chip (11) is perpendicular to the rotation. The plane of the axis has an included angle that sets the angle.
2. The vehicle lamp module according to claim 1, further comprising a fixed bracket (3) and a rotating motor (4) that can be rotatably connected to the rotating shaft (21) on the rotating bracket (2), The rotating support (2) is respectively connected with the rotating motor (4) and the fixed support (3) through a swing structure.
3. The vehicle lamp module according to claim 2, wherein the swing structure comprises a first bearing (51) mounted on the rotating bracket (2) and a first bearing (51) arranged on the rotating bracket (2) and the The torsion spring (52) between the fixed brackets (3), the driving gear (41) is fixedly connected to the rotating shaft of the rotating motor (4), and the driving gear (41) is connected to the The first bearing (51) is connected, the cam (6) is provided with gear teeth capable of engaging with the driving gear (41), and the torsion spring (52) includes a spring connected with the fixing bracket (3) end and a torsion arm connected with the rotating bracket (2).
4. The vehicle lamp module according to claim 3, wherein a rotational speed sensor (7) for detecting the rotational frequency of the cam (6) is provided on the fixing bracket (3).
5. The vehicle lamp module according to claim 2, characterized in that it further comprises a lens (8), the lens (8) is connected to the fixed bracket (3) through a lens bracket (81), and the rotating bracket ( 2) Located in the space formed between the lens holder (81) and the fixing holder (3).
6. The vehicle lamp module according to claim 5, wherein the light source (1) is located in the focal area of the lens (8).
7. The vehicle lamp module according to any one of claims 1 to 6, wherein the light source (1) further comprises a second square light-emitting chip arranged side by side with the first square light-emitting chip (11). (12), the edge of the upper end of the second square light-emitting chip (12) is parallel to the plane perpendicular to the rotation axis, and at least one of the left and right right-angle points of the first square light-emitting chip (11) is located in the The extension line of the edge of the upper end of the second square light-emitting chip (12).
8. The vehicle lamp module according to claim 7, wherein the first square light-emitting chip (11) is a multi-chip light-emitting chip.
9. The vehicle lamp module according to any one of claims 1 to 6, wherein the set angle is not less than 15° and less than 90°.
10. The vehicle lamp module according to claim 9, wherein the set angle is 15° or 45°.
11. The vehicle lamp module according to any one of claims 1 to 6, wherein the set frequency is greater than 30 Hz.
12. The vehicle lamp module according to any one of claims 2 to 6, wherein the rotating shaft (21) is mounted on the fixing bracket (3) through a second bearing (31).
13. A vehicle, characterized by comprising the vehicle lamp module according to any one of claims 1 to 12.
14. A method for forming a light shape emitted by a lighting module of a vehicle lamp, wherein the light source (1) of the lighting module of the vehicle lamp at least comprises a first square light-emitting chip (11); wherein, the forming method comprises the following steps:

    First, the first square light-emitting chip (11) is arranged in an orientation where an edge or an edge extension line of the first square light-emitting chip (11) intersects with a plane perpendicular to the rotation axis at a set angle;

    Second, the light source (1) is driven to oscillate around the rotation axis at a set frequency, so as to form an outgoing light shape.
15. The method for forming the shape of light emitted from a lighting module of a vehicle lamp according to claim 14, further comprising a third step, wherein the first square light-emitting chip (11) is a multi-chip light-emitting chip, including a method for forming a near- The low-beam light-emitting chip of light and the high-beam light-emitting chip used to form the high-beam light-emitting chip realize the switching of the far and near-beam lighting by controlling the on-off of the high-beam light-emitting chip.
16. The method for forming a light shape of a vehicle lamp lighting module according to claim 14 or 15, wherein, in the second step, the light source (1) is driven by a rotating motor (4) to oscillate at a set frequency.
17. The method for forming the outgoing light shape of a vehicle lamp lighting module according to claim 16, wherein the vehicle lamp lighting module further comprises a rotating bracket (2) for installing the light source (1) and a rotating bracket (2) for mounting the light source (1). A fixed bracket (3) connected to the rotating shaft (21) of the bracket (2); in the second step, the rotating motor (4) drives the light source (1) to rotate around the rotating bracket (2) through the rotating bracket (2). The shaft (21) oscillates at the set frequency.
18. The method for forming the outgoing light shape of a vehicle lamp lighting module according to claim 17, wherein a torsion spring (52) is connected between the rotating bracket (2) and the fixing bracket (3), and the rotating bracket (2) A cam (6) is connected with the rotating motor (4); in the second step, the rotating motor (4) pushes the rotating bracket (2) around the place through the cam (6). The rotating shaft (21) rotates, and then the rotating bracket (2) rotates under the action of the restoring force of the torsion spring (52), and the above process is repeated, so that the light source (1) follows the rotating bracket ( 2) Swing according to the set frequency.
19. The method for forming a light shape of a vehicle lamp lighting module according to claim 18, wherein a rotational speed sensor (7) is provided on the fixing bracket (3), and the cam (7) is detected by the rotational speed sensor (7). 6), to ensure that the light source (1) oscillates at the set frequency.
20. The method for forming an outgoing light shape of a vehicle lamp lighting module according to claim 14 or 15, wherein the vehicle lamp lighting module further comprises a lens (8), and the light source (1) is located on the lens (8) In the focal area of , in the second step, the light emitted by the light source (1) is projected through the lens (8) to form an outgoing light shape.

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