CN209839955U - Car light module and car light - Google Patents

Abstract

The utility model relates to a vehicle lighting device discloses a car light module, including LED light source subassembly, reflection component and lens, the LED light source subassembly includes main LED light source and at least one supplementary LED light source, main LED light source includes along a plurality of luminous chips of controlling the direction linear arrangement, and the center setting of this main LED light source is in on reflection component's the focus, supplementary LED light source is located at least one side in the main LED light source both sides around along car light illumination direction. The utility model can not only increase the light flux and illumination of the whole light shape of the car light, enhance the illumination of the middle area of the light shape, but also ensure the utilization rate of the light-emitting chip; the utility model also discloses a car light.

Description

Car light module and car light

Technical Field

The utility model relates to a vehicle lighting device specifically, relates to a car light module, in addition, still relates to a car light.

Background

The car light has increasingly applied LED light source, and along with the development of automobile market, LED light source that has many luminescent chip gradually becomes the indispensable helping hand pushing hands of car light.

At present, in order to improve luminous flux and illuminance of a vehicle lamp, an LED light source with multiple light emitting chips integrally arranged is generally adopted, such as a three-chip, four-chip or five-chip LED light source, and the multiple light emitting chips on the LED light source are arranged in a row along the left-right direction; however, the utilization rate of the light emitting chips located at both sides is lower than that of the light emitting chip located at the middle, and the increase in the number of the light emitting chips in the left-right direction does not provide a good effect of improving the illuminance of the light shape middle area of the vehicle lamp.

Although it is far from the technical idea of the present application, there is a certain similarity in structure, and a prior art needs to be mentioned in advance to help those skilled in the art understand the technical solution of the present application more deeply. In particular, the chinese utility model patent with application date of 2017, 12/06 and publication number of CN207584657U discloses a headlamp light source, which is designed to mainly solve the defects of the chinese utility model patent with application date of 2013, 05/20 and publication number of CN103423687A mentioned in the background art, the headlamp disclosed in the chinese utility model patent CN103423687A is configured such that the focus of the reflector thereof asymmetrically falls between the related lamp beads or chips in a single row of lamp beads or chips, the formed light pattern is a concave down light pattern, the chinese utility model patent CN207584657U forms a middle convex light spot by the technical means of arranging the front and back rows of LED chips, namely, the middle convex light spot is formed by the irradiation of the front row of two first LED chips, the technical defect that the concave down light pattern of the back row light source causes poor light pattern is compensated, the technical requirement is that the interval between the front and back rows of light sources is relatively small (<0.05mm), and the arrangement position of the rear row light source is not required, and a convex light source arrangement form is formed approximately to make up the shortage of the light type. In particular, the application of this technique in low beam light shapes may not meet the regulations relating to vehicle lighting.

In the prior art, how to effectively improve the illumination of the light shape middle area of the car lamp and improve the utilization rate of the LED light-emitting chip is always a technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that the first aspect will be solved provides a car light module, and this car light module not only can increase the holistic luminous flux of car light shape and illuminance, and the utilization ratio of luminous chip has still been guaranteed to the illuminance of reinforcing light shape middle zone.

The utility model discloses the technical problem that the second aspect will be solved provides a car light, and this car light not only can strengthen the illumination intensity of light shape middle zone, can also make farther more bright that the car light shines, makes the driver have better visual experience.

In order to achieve the above object, the utility model provides a car light module, including LED light source subassembly, reflection component and lens, LED light source subassembly includes main LED light source and at least one supplementary LED light source, main LED light source includes along a plurality of luminous chips of controlling the direction linear arrangement, and the center setting of this main LED light source is in on reflection component's the focus, supplementary LED light source is located at least one side in the front and back both sides of main LED light source along car light illumination direction.

Preferably, the number of the auxiliary LED light sources is one, and the auxiliary LED light sources are located at the front side or the rear side of the main LED light source in the light irradiation direction.

More preferably, a center line of the primary LED light source in the lamp illumination direction coincides with a center line of the auxiliary LED light source in the lamp illumination direction.

Preferably, the auxiliary LED light sources number is two or more, two or more at least one of the auxiliary LED light sources is located the main LED light source is followed the front side of car light illumination direction, and the rest is located the main LED light source is followed the rear side of car light illumination direction, or, the auxiliary LED light sources number is two or more, two or more the auxiliary LED light sources all are located the main LED light source is followed the front side or the rear side of car light illumination direction.

As a preferable specific example, the distance between the adjacent edges of the main LED light source and the auxiliary LED light source along the illumination direction of the car light is less than or equal to 2mm and is more than or equal to 0.05 mm.

Furthermore, the distance between the adjacent edges of the main LED light source and the auxiliary LED light source along the illumination direction of the car lamp is less than or equal to 0.5mm and is more than or equal to 0.05 mm.

Typically, the main LED light source and the auxiliary LED light source are disposed on the same circuit board.

Typically, the auxiliary LED light source is a single chip LED light source.

Typically, a shading element is provided between the reflecting element and the lens to enable a low beam shape with a cut-off line.

The utility model discloses the second aspect provides a car light, including any one of the above-mentioned first aspect technical scheme car light module.

Through the technical scheme, the beneficial effects of the utility model are as follows:

in the basic technical scheme, the center of the main LED light source is arranged on the focus of the reflecting element, the auxiliary LED light source is arranged on at least one of the front side and the rear side of the main LED light source along the illumination direction of the car lamp, so that the luminous flux and the illumination of the light shape of the car lamp can be increased, the illumination of the middle area of the light shape can be enhanced, and the utilization rate of the light-emitting chip can be better ensured in a mode that the auxiliary LED light sources are arranged on the left side and the right side of the main LED light source relatively.

In order to further enhance the illumination of the light shape middle area, the distance between the adjacent edges of the main LED light source and the auxiliary LED light source along the illumination direction of the car lamp is less than or equal to 2mm and is more than or equal to 0.05 mm; preferably, the distance is less than or equal to 0.5mm and more than or equal to 0.05 mm.

Other advantages of the present invention and technical effects of the preferred embodiments will be further explained in the following detailed description.

Drawings

FIG. 1 is a schematic diagram of a prior art arrangement of LED light sources on a wiring board;

fig. 2 is a schematic structural diagram of an embodiment of the vehicle lamp module according to the present invention, which is applied to a high beam;

fig. 3 is a schematic structural diagram of another embodiment of the vehicle lamp module of the present invention, which is applied to a low beam;

FIG. 4 is a schematic diagram of the light shape of the vehicle lamp module in FIG. 3 forming a low beam shape;

fig. 5 is a schematic layout of the LED light source assembly of the first embodiment of the present invention on the circuit board;

FIG. 6 is a schematic diagram of the LED light source module of FIG. 5;

fig. 7 is a schematic layout of a LED light source assembly according to a second embodiment of the present invention on a circuit board;

fig. 8 is a schematic view of the arrangement of the LED light source assembly of the third embodiment of the present invention on the circuit board;

FIG. 9 is a schematic diagram of the LED light source module of FIG. 8;

fig. 10 is a schematic view of the arrangement of LED light source modules on a circuit board according to a comparative embodiment of the present invention.

Description of the reference numerals

1LED light source assembly 2 reflecting element

3 lens 4 main LED light source

5 auxiliary LED light source 6 light-emitting chip

7 circuit board 8 shading element

W pitch

Intermediate region Lo2 widening region of Lo1

1a existing five-chip LED 2a existing circuit board

Detailed Description

The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted" and "disposed" are to be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be understood that the term "front and back" refers to the front and back position of the car light module in the using process, i.e. the front and back direction of the lighting direction of the car light, the term "left and right" refers to the left and right direction of the car light module in the using process, the term "up and down" refers to the up and down direction of the car light module in the using process, and the term is based on the orientation or position relationship shown in the drawings, which is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, cannot be understood as a limitation of the present invention.

Fig. 1 shows a prior art arrangement of LED chips, wherein the LED chips constituting a prior five-chip LED1a are arranged along the left and right direction of a prior art circuit board 2a, and during the use, the arrangement direction of each LED chip is generally arranged along the left and right direction of a vehicle lamp module, so that a plurality of LED chips are arranged in a row, and the utilization rate of the LED chips at two sides is lower than that of the LED chip at the middle, which results in a smaller improvement of the luminous flux and illumination of the vehicle lamp, i.e. the improvement of the luminous flux and illumination of the vehicle lamp is limited to a certain extent; if the number of the LED chips is increased in the left-right direction, the illumination of the light form middle area of the car lamp cannot be well improved, and on the contrary, the utilization rate of the LED chips on the two sides is further reduced. However, the technical scheme of the utility model originally adopt to make the center setting of main LED light source 4 in reflecting element 2's focus, and one side or both sides set up the technical scheme of supplementary LED light source 5 in the both sides before and after main LED light source 4, not only can increase the holistic luminous flux of car light shape and illuminance, strengthen the illuminance of light shape middle zone, arrange supplementary LED light source 5 near main LED light source 4's the central line along car light illumination direction, guaranteed the utilization ratio of LED chip.

The technical solution of the present invention will be further explained by the following embodiments.

As shown in fig. 2 to fig. 9, the utility model discloses a car light module among the basic technical scheme, including LED light source subassembly 1, reflective element 2 and lens 3, LED light source subassembly 1 includes main LED light source 4 and at least one supplementary LED light source 5, main LED light source 4 includes along controlling a plurality of luminescence chips 6 of direction linear arrangement, and the center setting of this main LED light source 4 is in on reflective element 2's the focus, supplementary LED light source 5 is located at least one side in the front and back both sides of main LED light source 4 along the car light direction.

In the specific embodiment, the technical solution of the present invention is described by using five-chip LEDs as the main LED light source 4, wherein the light emitting chips 6 constituting the main LED light source 4 are arranged in a single row along the left and right direction of the car light module, and the auxiliary LED light source 5 is preferably a single-chip LED, which may be two-chip or three-chip LEDs, and in comparison, the utilization rate of the light emitting chips of the single-chip LED is the highest; as shown in fig. 6, the center of the main LED light source 4 refers to the center of the plurality of light emitting chips 6; the reflecting element 2 is a conventional reflector capable of reflecting light, preferably an ellipsoidal reflector, but may be other reflectors according to the use requirement.

In the basic technical scheme, the center of a main LED light source 4 is arranged on the focus of a reflecting element 2, light rays emitted by the main LED light source 4 and an auxiliary LED light source 5 are reflected to a lens 3 through the reflecting element 2, and then refracted by the lens 3 to form a light shape of the car lamp meeting the requirements; the auxiliary LED light source 5 is arranged on the front side and/or the rear side of the main LED light source 4 along the illumination direction of the car lamp, so that the utilization rate of the light-emitting chip 6 is ensured, the luminous flux and the illumination of the car lamp can be better improved, and particularly the illumination of the light shape middle area of the car lamp is enhanced.

The LED light source assembly 1 has various combinations, which will be described in detail with reference to fig. 5 to 9.

As shown in fig. 5 and 6, the number of the auxiliary LED light sources 5 is one, and the auxiliary LED light sources 5 are located on the front side or the rear side of the main LED light source 4 in the light irradiation direction.

Further, as shown in fig. 6, the center line of the main LED light source 4 in the lamp illumination direction coincides with the center line of the auxiliary LED light source 5 in the lamp illumination direction. Of course, the center line of the main LED light source 4 along the lamp illumination direction may deviate from the center line of the auxiliary LED light source 5 along the lamp illumination direction.

As shown in fig. 7 to 9, the number of the auxiliary LED light sources 5 is two or more, for example, the number of the auxiliary LED light sources 5 is two light emitting chips 6, and the two light emitting chips 6 may be both disposed on the front side or the rear side of the main LED light source 4 in the lamp illumination direction, and preferably, one light emitting chip 6 is disposed on each of the front side and the rear side of the main LED light source 4 in the lamp illumination direction; the number of the auxiliary LED light sources 5 is three, and the three light emitting chips 6 may be all disposed on the front side or the rear side of the main LED light source 4 along the illumination direction of the vehicle lamp, preferably, one of the two sides of the front side and the rear side of the main LED light source 4 along the illumination direction of the vehicle lamp is disposed with one light emitting chip 6, and the other side is disposed with two light emitting chips 6; in analogy, the number of the auxiliary LED light sources 5 may be larger, however, as the number of the auxiliary LED light sources 5 is increased, the utilization rate of the light emitting chips 6 is reduced.

Further, when the two auxiliary LED light sources 5 are respectively arranged on the front side and the rear side of the main LED light source 4 along the car light illumination direction, as shown in fig. 6, at this time, the center line of the main LED light source 4 along the car light illumination direction may coincide with the center line of the auxiliary LED light source 5 along the car light illumination direction; of course, the center line of the main LED light source 4 along the illumination direction of the car light may have a certain deviation from the center line of the auxiliary LED light source 5 along the illumination direction of the car light; when the number of the auxiliary LED light sources 5 is more than three, the auxiliary LED light sources are respectively arranged on the front side and the rear side of the main LED light source 4 along the illumination direction of the vehicle lamp, referring to the arrangement form of the auxiliary LED light sources 5 in fig. 9, two auxiliary LED light sources 5 are arranged on the front side of the main LED light source 4, the light emitting chips 6 of the two auxiliary LED light sources 5 are symmetrically arranged with respect to the central line, and can also be asymmetrically arranged, and the arrangement forms of the other numbers of the auxiliary LED light sources 5 can be analogized.

As shown in fig. 6, in the specific technical solution, the adjacent edges of the main LED light source 4 and the auxiliary LED light source 5 have a distance W along the illumination direction of the vehicle lamp, and the closer the adjacent edges of the light emitting chips 6 of the main LED light source 4 and the auxiliary LED light source 5 are, that is, the smaller the distance W is, the more concentrated the light emitting surface of the LED light source assembly 1, that is, the higher the illumination of the light shape middle area of the vehicle lamp, but the too small distance W increases the difficulty of processing and assembling, which is not favorable for the precision of assembling, and increases the production cost, for this reason, the distance W along the illumination direction of the vehicle lamp is not more than 2mm and not less than 0.05mm, preferably, W is not more than 0.5mm and not more than 0.05mm, and of course, W may be selected from values convenient to process and assemble, such as 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.6mm, 0.7 mm.

Specifically, the main LED light source 4 and the auxiliary LED light source 5 are mounted on the same circuit board 7. Of course, the main LED light source 4 and the auxiliary LED light source 5 may be mounted on different boards 7.

Further, as shown in fig. 3, a light shielding member 8 may be provided between the reflecting member 2 and the lens 3 to enable a low beam shape having a cut-off line.

Referring to fig. 2 to 9, the vehicle lamp module according to the preferred embodiment of the present invention includes an LED light source assembly 1, a reflective element 2 and a lens 3, the LED light source assembly 1 comprises a main LED light source 4 and at least one auxiliary LED light source 5, the main LED light source 4 includes a plurality of light emitting chips 6 linearly arranged in a left-right direction, and the center of the main LED light source 4 is disposed at a focal point of the reflective element 2, when the number of the auxiliary LED light sources 5 is one, the auxiliary LED light sources 5 are positioned on one side of the front side and the rear side of the main LED light source 4 along the illumination direction of the vehicle lamp, when the number of the auxiliary LED light sources 5 is more than two, at least one of the auxiliary LED light sources 5 is positioned at the front side of the main LED light source 4 along the lighting direction of the vehicle lamp, the rest of the auxiliary LED light sources are positioned at the rear side of the main LED light source 4 along the illumination direction of the car lamp, or each auxiliary LED light source 5 is positioned at the front side or the rear side of the main LED light source 4 along the illumination direction of the car lamp; the adjacent edges of the main LED light source 4 and the auxiliary LED light source 5 have a distance W along the illumination direction of the car lamp, wherein W is less than or equal to 0.5mm and more than or equal to 0.05 mm; the main LED light source 4 and the auxiliary LED light source 5 can be arranged on the same circuit board 7; a light shielding element 8 may be disposed between the reflection element 2 and the lens 3 to form a low beam light shape having a cut-off line, and the light shielding element 8 may be a light shielding element that can be used to form a cut-off line, preferably, a light shielding plate, as shown in fig. 4, the low beam light shape includes a middle region Lo1 and a widened region Lo2, and the illuminance of the middle region Lo1 is greatly improved; that is, the luminous flux and the illuminance of the vehicle lamp are improved, and the auxiliary LED light sources 5 are all arranged near the center line of the main LED light source 4 in the illumination direction of the vehicle lamp, so that the utilization rate of the light emitting chip 6 is ensured compared with the mode of arranging the auxiliary LED light sources 5 on the left and right sides of the main LED light source 4 as shown in fig. 10.

As shown in fig. 2 to 9, in a preferred embodiment of the present invention, the center of the main LED light source 4 is disposed at the focus of the reflective element 2, and the light emitted from the main LED light source 4 and the auxiliary LED light source 5 is reflected to the lens 3 through the reflective element 2, and then refracted by the lens 3 to form a desired vehicle light shape; moreover, if applied to low beam, as shown in fig. 3, a light shielding element 8 may be disposed between the reflective element 2 and the lens 3, as shown in fig. 4, the light is partially shielded by the light shielding element 8 to form a low beam shape having a cut-off line, which can increase the illuminance of the intermediate region Lo1 of the low beam shape; the auxiliary LED light source 5 is arranged on the front side and/or the rear side of the main LED light source 4 along the illumination direction of the car lamp, the distance W is formed between the adjacent edges of the main LED light source 4 and the auxiliary LED light source 5 along the illumination direction of the car lamp, W is less than or equal to 0.5mm and is larger than or equal to 0.05mm, the light emitting surface of the LED light source assembly is more concentrated, the utilization rate of the light emitting chip 6 is ensured, the luminous flux and the illumination of the car lamp can be better improved, particularly, the illumination of the light shape middle area of the car lamp is enhanced, the car lamp illuminates farther and brighter, and the driver has better visual experience.

The utility model discloses a car light can have above-mentioned arbitrary embodiment car light module, adopted above-mentioned all technical scheme of all car light module embodiments promptly, consequently have all beneficial effects that the technical scheme of above-mentioned car light module embodiment brought at least.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical idea of the utility model within the scope, can be right the utility model discloses a technical scheme carries out multiple simple variant, makes up with any suitable mode including each concrete technical feature. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims (10)

1. The utility model provides a car light module, its characterized in that, includes LED light source subassembly (1), reflective element (2) and lens (3), LED light source subassembly (1) is including main LED light source (4) and at least one supplementary LED light source (5), main LED light source (4) are including along a plurality of luminous chips (6) of controlling the linear arrangement of direction, and the center setting of this main LED light source (4) is in on the focus of reflective element (2), supplementary LED light source (5) are located in main LED light source (4) are along at least one side in the front and back both sides of car light illumination direction.

2. The vehicle lamp module according to claim 1, wherein the number of the auxiliary LED light sources (5) is one, and the auxiliary LED light sources (5) are located on the front side or the rear side of the main LED light source (4) in the illumination direction.

3. The vehicle lamp module according to claim 2, wherein a center line of the main LED light source (4) in the vehicle lamp illumination direction coincides with a center line of the auxiliary LED light source (5) in the vehicle lamp illumination direction.

4. The vehicle lamp module according to claim 1, wherein the number of the auxiliary LED light sources (5) is two or more, at least one of the two or more auxiliary LED light sources (5) is located at the front side of the main LED light source (4) along the vehicle lamp illumination direction, and the rest of the two or more auxiliary LED light sources (5) are located at the rear side of the main LED light source (4) along the vehicle lamp illumination direction, or the number of the auxiliary LED light sources (5) is two or more, and the two or more auxiliary LED light sources (5) are located at the front side or the rear side of the main LED light source (4) along the vehicle lamp illumination direction.

5. The vehicle lamp module according to any one of claims 1 to 4, wherein the distance (W) between the adjacent edges of the main LED light source (4) and the auxiliary LED light source (5) along the illumination direction of the vehicle lamp is not less than 2mm and not less than 0.05 mm.

6. The car light module according to claim 5, characterized in that the distance (W) between the adjacent edges of the main LED light source (4) and the auxiliary LED light source (5) along the illumination direction of the car light is not more than 0.5mm and not less than 0.05 mm.

7. The vehicle lamp module according to any one of claims 1 to 4, wherein the main LED light source (4) and the auxiliary LED light source (5) are disposed on the same circuit board (7).

8. The vehicle lamp module according to any one of claims 1 to 4, wherein the auxiliary LED light source (5) is a single chip LED light source.

9. Vehicle light module according to any one of claims 1 to 4, characterized in that a shading element (8) is provided between the reflective element (2) and the lens (3) to enable a low beam shape with a cut-off line.

10. A vehicular lamp characterized by comprising the vehicular lamp module according to any one of claims 1 to 9.