CN222950870U - Lens module and car lamp - Google Patents
Lens module and car lamp Download PDFInfo
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- CN222950870U CN222950870U CN202422184421.6U CN202422184421U CN222950870U CN 222950870 U CN222950870 U CN 222950870U CN 202422184421 U CN202422184421 U CN 202422184421U CN 222950870 U CN222950870 U CN 222950870U
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Abstract
本实用新型涉及透镜，公开了一种透镜模组和车灯。透镜模组包括远光透镜(1)和近光透镜(2)，所述远光透镜(1)上形成有远光出光面(11)和至少一个远光入光面(12)，所述近光透镜(2)上形成有近光出光面(21)和至少一个近光入光面(22)，所述远光出光面(11)为内凹曲面，所述近光出光面(21)为平面或外凸曲面。该透镜模组能够减少远光系统的前后尺寸，实现远近光一体车灯的小型化，且能够保证远光光源处的散热效果，延长远光光源的使用寿命。
The utility model relates to a lens, and discloses a lens module and a vehicle lamp. The lens module comprises a high-beam lens (1) and a low-beam lens (2), wherein the high-beam lens (1) is formed with a high-beam light-emitting surface (11) and at least one high-beam light-entering surface (12), and the low-beam lens (2) is formed with a low-beam light-emitting surface (21) and at least one low-beam light-entering surface (22), wherein the high-beam light-emitting surface (11) is an inner concave curved surface, and the low-beam light-emitting surface (21) is a plane or an outer convex curved surface. The lens module can reduce the front and rear dimensions of the high-beam system, realize the miniaturization of the high-beam and low-beam integrated vehicle lamp, and can ensure the heat dissipation effect at the high-beam light source, thereby extending the service life of the high-beam light source.
Description
Technical Field
The present utility model relates to lenses, and more particularly to a lens module. In addition, the utility model also relates to a car lamp comprising the lens module.
Background
In the technical field of automobile illumination, a front lamp is mainly used for illuminating a road in front of a vehicle under the condition of insufficient ambient light in the driving process, so that driving safety is ensured.
Because the road environment and the climate environment of the automobile are complex and various, in order to ensure that the head lamps can reliably illuminate under various environmental conditions, the current head lamps generally comprise low beam lamps and high beam lamps, namely, the road is smooth, and the high beam lamps are adopted under the condition of no meeting, so that drivers have a wider visual field and the safety of high-speed running of the automobile is ensured.
In the daily design process, the front-back dimension of the high beam system is generally longer than the front-back dimension of the low beam system, so that the miniaturization of the high beam and low beam integrated car lamp is not facilitated, the heat dissipation area of a radiator at a high beam light source is reduced, and the heat dissipation effect of a high beam part is reduced.
Disclosure of utility model
One of the purposes of the utility model is to provide a lens module which can reduce the front and back dimensions of a high beam system, realize miniaturization of a high beam and low beam integrated car lamp, ensure the heat dissipation effect of a high beam light source and prolong the service life of the high beam light source.
The second object of the utility model is to provide a car lamp, the lens module of the car lamp can reduce the front and back size of the high beam system, realize the miniaturization of the high beam and low beam integrated car lamp, ensure the heat dissipation effect of the high beam light source and prolong the service life of the high beam light source.
In order to achieve the above object, a first aspect of the present utility model provides a lens module, which includes a high beam lens and a low beam lens, wherein a high beam light-emitting surface and at least one high beam light-entering surface are formed on the high beam lens, a low beam light-emitting surface and at least one low beam light-entering surface are formed on the low beam lens, the high beam light-emitting surface is a concave curved surface, and the low beam light-emitting surface is a plane or a convex curved surface.
Preferably, the low beam light emitting surface is a plane.
Preferably, the high beam light emitting surface is a curved surface concave from two ends to the middle in the vertical direction.
Further preferably, the focal length of the high beam light-emitting surface is 10-50mm.
Preferably, the high beam light-emitting surface comprises a splicing section, and the splicing section is a curved surface formed by splicing a plurality of splicing surfaces.
Further preferably, the width of the splicing surface is greater than 0mm and less than or equal to 1.5mm.
Preferably, the high beam light emitting surface further comprises at least one curved surface section.
Further preferably, two curved surface sections are provided, and the two curved surface sections are located at two sides of the splicing section.
Further preferably, the ratio of the total width of the curved surface section to the width of the high beam light-emitting surface is less than or equal to 0.5.
Preferably, the high beam lens and the low beam lens are integrally formed.
Preferably, at least one three-region light shape forming structure is arranged on the low beam light emitting surface, and the three-region light shape forming structure is arranged corresponding to at least part of the low beam light sources.
Preferably, the light emitting surface of the three-region light pattern forming structure is an inwardly concave curved surface or an outwardly convex curved surface.
A second aspect of the present utility model provides a vehicle lamp, including the lens module set forth in the first aspect.
Through the technical scheme, the lens module provided by the utility model has the advantages that the far-light-emitting surface of the far-light lens is set to be the concave curved surface, so that the distance between the far-light-emitting surface and the outer lens can be reduced while the focus of the far-light-emitting surface is arranged on the focus accessory of the outer lens, the front-back size of the far-light module is reduced while the far-light effect is ensured, and the miniaturization requirement of the module is facilitated. And the size of the radiator at the high beam light source can be increased, the radiating effect of the high beam module is ensured, and the service life of the high beam light source is prolonged.
Other advantages and technical effects of the preferred embodiments of the present utility model will be further described in the following detailed description.
Drawings
FIG. 1 is one of the views of a lens module according to an embodiment of the present utility model;
FIG. 2 is a second view of a lens module according to an embodiment of the utility model;
FIG. 3 is a third view of a lens module according to an embodiment of the utility model;
FIG. 4 is a fourth view of a lens module according to one embodiment of the present utility model;
fig. 5 is an exploded view of a lamp according to an embodiment of the present utility model.
Description of the reference numerals
1. High beam lens 2 low beam lens
3. Mounting structure 4 three-region light pattern forming structure
5. Outer lens 6 installing support
7. Radiator 8 reflecting unit
9. Circuit board
11. High beam light-emitting surface 12 high beam light-entering surface
21. Low beam light exit surface 22 low beam light entrance surface
111. Curved surface section of splicing surface 112
Detailed Description
The following detailed description of the embodiments of the utility model is provided in connection with the accompanying drawings, it being understood that the embodiments described herein are for purposes of illustration and explanation only, and the scope of the utility model is not limited to the following embodiments.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, directly connected, indirectly connected through an intermediary, or in communication between two elements or in interaction with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless otherwise specified, terms such as "upper, lower, left, right, front, and rear" are generally used to refer to the positional relationship of a lamp in actual use, and, illustratively, when the lamp is disposed at the rear of a vehicle and emits light rearward of the vehicle, the direction in which the head of the vehicle is directed is rearward, the direction in which the tail of the vehicle is directed is forward, and "upper", "lower", "left", and "right" are positional relationships determined based on the positional relationships of "front" and "rear".
The basic embodiment of the present utility model provides a lens module, as shown in fig. 1 to 4, comprising a high beam lens 1 and a low beam lens 2, wherein a high beam light-emitting surface 11 and at least one high beam light-entering surface 12 are formed on the high beam lens 1, a low beam light-emitting surface 21 and at least one low beam light-entering surface 22 are formed on the low beam lens 2, the high beam light-emitting surface 11 is a concave curved surface, and the low beam light-emitting surface 21 is a plane or a convex curved surface.
In the use process, the number of the high beam light incident surfaces 12 may be the same as the number of the high beam light sources, the high beam light incident surfaces 12 are arranged corresponding to the high beam light sources, the number of the low beam light incident surfaces 22 may be the same as the number of the low beam light sources, and the low beam light incident surfaces 22 are arranged corresponding to the low beam light sources. The high beam light-emitting surface 11 and the low beam light-emitting surface 21 may each be provided with one.
According to the present utility model, the arrangement of the high beam light-emitting surface 11 as a concave curved surface means that the high beam light-emitting surface 11 is concave from both sides or from the periphery to the central region toward the inside of the high beam lens 1. The convex curved surface of the low beam light exit surface 21 means a curved surface of the low beam light exit surface 21 protruding from both sides or the periphery to the center region toward the outside of the low beam lens 2. The concave curved surface of the high beam light-emitting surface 11 may be a complete curved surface, or may be a similar curved surface formed by splicing a plurality of planes and/or curved surfaces. The low beam light emitting surface 21 may be a complete plane or a convex curved surface, or may be a similar plane or a similar curved surface formed by splicing a plurality of curved surfaces and/or planes. In the mounting process, when the low beam light exit surface 21 is a plane, there may be a case where the plane is not perpendicular to the optical axis of the lamp system.
The lens module provided by the basic embodiment of the utility model can be used as an inner lens of a far-near light integrated car lamp and can be arranged between a light source and an outer lens 5. Taking a far-near light integrated car lamp with a reflector in a near-light module as an example, light rays emitted by a far-light source enter a far-light lens 1 through a far-light-in surface 12 and then are emitted through a far-light-out surface 11 and are emitted to an outer lens 5 to form a far-light shape, and light rays emitted by a near-light source enter a near-light lens 2 through a near-light-in surface 22 after being reflected by the reflector and then are emitted through a near-light-out surface 21 and are emitted to the outer lens 5 to form a near-light shape.
According to the lens module provided by the basic embodiment of the utility model, the far-light emitting surface 11 of the far-light lens 1 is arranged to be the concave curved surface, so that the distance between the far-light emitting surface 11 and the outer lens 5 can be reduced while the focus of the far-light emitting surface 11 is arranged near the focus of the outer lens 5, the front-back size of the far-light module is reduced while the far-light effect is ensured, and the miniaturization requirement of the module is facilitated. And the size of the radiator 7 at the high beam light source can be increased, the radiating effect of the high beam module is ensured, and the service life of the high beam light source is prolonged.
In the lens module provided by the utility model, the low beam light-emitting surface 21 can be a plane or a convex curved surface. As a relatively preferable embodiment of the present utility model, the low beam light-emitting surface 21 is a plane. The front-back size of the low beam module can be reduced while the low beam effect is ensured, and the miniaturization requirement of the module is further realized.
According to the utility model, plane here refers to a plane or plane-like surface.
The high beam light incident surface 12 of the high beam lens 1 may be a convex curved surface, and the low beam light incident surface 22 of the low beam lens 2 may be a convex curved surface. The number of the high beam light entrance surface 12 and the low beam light entrance surface 22 may be determined according to the actual situation, and when a plurality of high beam light entrance surfaces 12 are provided, the surface types of the high beam light entrance surfaces 12 may be uniform or non-uniform, and the surface types of the low beam light entrance surfaces 22 may be uniform or non-uniform. In the embodiment shown in fig. 4, four high beam light entrance surfaces 12 are provided, six low beam light entrance surfaces 22 are provided, the four high beam light entrance surfaces 12 are uniform in surface shape, and at least one low beam light entrance surface 22 located in the middle area is so as to make the light brightness in the middle area higher. The low beam light incident surfaces 22 at two sides protrude from other light incident surfaces, and the thickness of the low beam light incident surfaces 22 at two sides gradually decreases from one side to the other side of the adjacent low beam light incident surface 22, so that the light condensing effect is further improved, and the loss of the light source is reduced.
In one embodiment of the present utility model, as shown in fig. 1 and 3, the high beam light-emitting surface 11 is a curved surface concave inward from both ends toward the middle in the vertical direction z. The high beam light-emitting surface 11 is arranged to be a curved surface which is concave from two ends to the middle in the vertical direction z, so that the high beam and low beam joining effect can be better obtained while the front and back sizes of the high beam module are reduced.
In one embodiment of the present utility model, the focal length of the high beam light-emitting surface 11 is 10-50mm. The focal length of the high beam light-emitting surface 11 is controlled to be 10-50mm, so that the distance between the high beam lens 1 and the outer lens 5 is close to the distance between the low beam lens 2 and the outer lens 5, the high beam lens 1 and the low beam lens 2 can be combined into one part, the number of parts is reduced, and meanwhile, the module cost is reduced. And the high beam lens 1 and the low beam lens 2 are combined into one part, so that the sufficient size of the radiator 7 can be ensured under the condition of limiting the front and back sizes of the system, and the radiating effect of the system can be ensured.
In one embodiment of the present utility model, as shown in fig. 1 and 3, the high beam light-emitting surface 11 includes a spliced segment, which is a curved surface formed by splicing a plurality of spliced surfaces 111. By using a curved surface formed by joining the joining surfaces 111 as the light-emitting surface, the effect of diffusing the high beam shape can be achieved. Preferably, the high beam light-emitting surface 11 may further include at least one curved surface segment 112, and in the actual use process, the curved surface segment 112 is disposed on a side of the splicing segment near the low beam light-emitting surface 21, the splicing segment is configured as a curved surface formed by splicing the plurality of splicing surfaces 111, and at least one curved surface segment 112 is disposed, so that the high beam shape can be diffused while the high beam and low beam joining effect can be ensured.
According to the present utility model, the splicing surface 111 may be a curved surface or a plane surface.
As a specific embodiment of the present utility model, the width of the joint surface 111 is greater than 0mm and less than or equal to 1.5mm. The width of the joint surface 111 is the linear distance between the upper and lower side edges. In the research process, the width of the splicing surface 111 is controlled to be more than 0mm and less than or equal to 1.5mm, so that the maximum value of the high beam can be ensured while the connection effect of the high beam and the low beam is not influenced.
In one embodiment of the present utility model, two curved surface sections 112 are provided, and two curved surface sections 112 are located at two sides of the splicing section. The curved surface sections 112 are positioned on two sides of the splicing section, so that the far-beam and near-beam connection effect can be ensured, the far-beam effect can be further improved, the light rays in the upper side area and the lower side area of the far-beam light are more uniform, and the brightness of the far-beam light is more uniform.
In one embodiment of the present utility model, the ratio of the total width of the curved surface segment 112 to the width of the high beam light-emitting surface 11 is less than or equal to 0.5, preferably 0.2 to 0.5. Through above-mentioned setting, can further improve the luminance homogeneity of far-reaching headlamp shape when guaranteeing the far-reaching headlamp diffusion effect, also can guarantee the far-reaching headlamp maximum value simultaneously.
In one embodiment of the present utility model, as shown in fig. 1 to 4, the lens module further includes a mounting structure 3, and the high beam lens 1 and the low beam lens 2 are integrally formed with the mounting structure 3 to connect other devices. Through mounting structure 3, high beam lens 1 and passing beam lens 2 integrated into one piece, can make things convenient for the installation of lens module, also can prevent the installation error that the back-and-forth shift caused in the installation simultaneously, further improves the installation accuracy. The mounting structure 3 may be a mounting bracket, a mounting plate, etc. As a specific embodiment of the present utility model, the mounting structure 3 is a mounting plate.
The mounting plate can be further provided with mounting holes for fixing the mounting plate, the mounting holes are formed in the left end portion and the right end portion of the mounting plate, light transmission cannot be affected, and the low beam lens 2 and the high beam lens 1 can be well fixed.
In one embodiment of the present utility model, as shown in fig. 1 and 3, at least one three-zone light shaping structure 4 is provided on the low beam light emitting surface 21. The three-region light pattern forming structure 4 may be any structure capable of forming a three-region light pattern. At least one three-region light shape forming structure 4 is added on the low beam light emitting surface 21 (preferably a plane), and the accuracy of processing precision and pattern positions is higher than that of the three-region light shape forming structure 4 manufactured by adding a curved surface on the curved surface, so that the processing precision of the curved surface is ensured in actual production. As a specific embodiment of the present utility model, the light emitting surface of the three-region light pattern forming structure 4 is a curved surface that is concave inward or a curved surface that is convex outward. Specifically, the three-zone light shaping structure 4 may be concavely disposed in the low beam lens 2 or may be protruded out of the low beam lens 2. The light-emitting surface of the three-region light form forming structure 4 is set to be a curved surface recessed inwards, so that the light path of light passing through the region is changed, and the formed light form of the region III can meet the requirement of regulations more easily.
Specifically, the light exit surface of the three-region light pattern forming structure 4 is a curved surface recessed from two sides or four sides to the central region toward the low beam light entrance surface 22. Preferably a curved surface concave from both ends to the middle in the vertical direction z.
In one embodiment of the utility model, the three-zone light shaping structures 4 are arranged in correspondence with at least part of the low beam light sources in the left-right direction. For example, the three-zone light pattern forming structure 4 is provided corresponding to a plurality of low beam light sources located in the middle in the left-right direction. Preferably, the three-zone light shape forming structure 4 and the low beam light source are both approximately corresponding in the same vertical plane passing through the optical axis or in the left-right direction, so as to ensure that the three-zone light shape has enough brightness, and the brightness of the three-zone light shape is controlled through adjustment in other directions. In the state that only the car light is turned on, the three-zone light form forming structure 4 can provide a facula higher than the car light low beam horizontal position, and under the condition that the implementation of the opposite car driver is not influenced, the car driver can see clearly the guideboard or roadside pedestrians and the like, and driving safety is improved.
As a relatively preferred embodiment of the present utility model, there is provided a lens module, as shown in fig. 1 to 4, including a high beam lens 1, a low beam lens 2, and a mounting structure 3; the high beam lens 1, the low beam lens 2 and the mounting structure 3 are integrally formed, the mounting structure 3 is provided with a mounting hole for connecting other devices, at least one low beam light incident surface 22 of the low beam light incident surface 21 is formed on the low beam lens 2, the low beam light incident surface 22 is an outwards convex curved surface, the low beam light incident surface 21 is a plane or outwards convex curved surface, at least one three-region light forming structure 4 is arranged on the low beam light incident surface 21, the number of the three-region light forming structures 4 is smaller than or equal to the number of the low beam light incident surface 22, the three-region light forming structure 4 corresponds to the low beam light source, the light incident surface 4 is an inwards concave curved surface, the high beam light incident surface 12 is an outwards convex curved surface, the high beam light incident surface 11 is a curved surface which is inwards concave from two ends to the middle in the vertical direction z, the focal length of the high beam light incident surface 11 is 10-50mm, the high beam light incident surface 11 comprises a splicing section and two curved surface sections 112, the two curved surface sections 112 are respectively positioned on two sides of the splicing section, the splicing section is a curved surface formed by a plurality of splicing surfaces 111, the width of the splicing surface 111 is larger than or equal to 0mm, and the width of the splicing surface 111 is equal to or smaller than 1.5mm, and the total width of the curved surface is equal to or smaller than or equal to 0.5 mm.
The lens module provided by the above preferred embodiment is beneficial to enabling the distance between the high beam lens 1 and the outer lens 5 to be close to the distance between the low beam lens 2 and the outer lens 5, controlling the front-back size of the whole high beam and low beam integrated system, realizing the miniaturization requirement of the module, being capable of guaranteeing that the high beam lens 1 and the low beam lens 2 are combined into a whole, reducing the number of parts, reducing the cost of the module, and being capable of ensuring the heat dissipation effect of the whole high beam and low beam integrated system by enabling the high beam light source to have enough heat dissipation device 7 size under the condition of ensuring the front-back size of the whole high beam and low beam integrated system. The connection effect of the high beam and the low beam can be ensured while the high beam shape and the low beam shape are ensured.
In addition, the utility model also provides a car lamp, which comprises the lens module, and the car lamp has all the advantages of the lens module, which is not described in detail herein.
In one embodiment of the present utility model, as shown in fig. 5, the light source comprises a low beam light source mounted on a low beam circuit board and a high beam light source mounted on a high beam circuit board, the reflection unit 8 comprises a low beam reflection unit 8 corresponding to the low beam light source and a high beam reflection unit corresponding to the high beam light source, the outer lens 5 is connected with the lens module through the mounting bracket 6, the light emitted by the high beam light source is reflected by the high beam reflection unit and then respectively passes through the high beam lens 1 and the outer lens 5 to form a high beam shape, and the light reflected by the low beam light source is reflected by the low beam reflection unit and then respectively passes through the low beam lens 2 and the outer lens 5 to form a low beam shape.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.
In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.
Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.
Claims (13)
1. The utility model provides a lens module, its characterized in that includes far-reaching headlamp lens (1) and passing headlamp lens (2), be formed with far-reaching headlamp light-emitting surface (11) and at least one far-reaching headlamp light-entering surface (12) on far-reaching headlamp lens (1), be formed with passing headlamp light-emitting surface (21) and at least one passing headlamp light-entering surface (22) on passing headlamp lens (2), far-reaching headlamp light-emitting surface (11) are indent curved surface, passing headlamp light-emitting surface (21) are plane or evagination curved surface.
2. The lens module according to claim 1, wherein the low beam light exit surface (21) is planar.
3. The lens module according to claim 1 or 2, wherein the high beam light-emitting surface (11) is a curved surface concave from both ends to the middle in the vertical direction (z).
4. A lens module according to claim 3, characterized in that the focal length of the high beam light exit surface (11) is 10-50mm.
5. A lens module according to claim 3, wherein the high beam light exit surface (11) comprises a spliced segment, which is a curved surface formed by splicing a plurality of spliced surfaces (111).
6. The lens module according to claim 5, characterized in that the width of the splicing surface (111) is greater than 0mm and less than or equal to 1.5mm.
7. The lens module according to claim 5, wherein the high beam light exit surface (11) further comprises at least one curved surface section (112).
8. The lens module according to claim 7, wherein two curved sections (112) are provided, two curved sections (112) being located on both sides of the splice section.
9. The lens module according to claim 8, wherein a ratio of a total width of the curved surface section (112) to a width of the high beam light-emitting surface (11) is 0.5 or less.
10. Lens module according to claim 1 or 2, characterized in that the high beam lens (1) and the low beam lens (2) are integrally formed.
11. The lens module according to claim 1 or 2, characterized in that at least one three-zone light shaping structure (4) is arranged on the low beam light exit surface (21), the three-zone light shaping structure (4) being arranged corresponding to at least part of the low beam light source.
12. The lens module according to claim 11, wherein the light exit surface of the three-zone light shaping structure (4) is an inwardly concave curved surface or an outwardly convex curved surface.
13. A vehicle lamp comprising a lens module according to any one of claims 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422184421.6U CN222950870U (en) | 2024-09-05 | 2024-09-05 | Lens module and car lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422184421.6U CN222950870U (en) | 2024-09-05 | 2024-09-05 | Lens module and car lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222950870U true CN222950870U (en) | 2025-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422184421.6U Active CN222950870U (en) | 2024-09-05 | 2024-09-05 | Lens module and car lamp |
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| Country | Link |
|---|---|
| CN (1) | CN222950870U (en) |
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- 2024-09-05 CN CN202422184421.6U patent/CN222950870U/en active Active
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