CN214249452U - Sunlight protection system for vehicle lamp parts - Google Patents

Abstract

The utility model provides a sunshine protection system for car light spare part changes transparency or colour through utilizing electrochromic membrane to change the light transmissivity under the effect of voltage to shelter from the partial sunshine that gets into in the car light, solve the overheated and impaired problem of function of material that sunshine focus caused, avoid the influence to other molding parts in the lamp. The risk that the local temperature of a part rises and exceeds the tolerance limit value of a material to cause appearance or function damage due to sunlight focusing can be solved, the modeling is not influenced, the device can be suitable for various complex modeling, and the space flexibility is greatly improved due to the fact that the color-changing film is arranged on the inner side of the outer lens, the bottom surface of the lens and the inner surface of the inner lens, and the problem that the space of the prior art is limited is solved.

Description

Sunlight protection system for vehicle lamp parts

Technical Field

The utility model relates to an automotive lighting field especially relates to a sunshine protection system for car light spare part.

Background

With the development of automobile lighting technology and the change of modeling trend, the reflection bowl or the lens optical module is more and more applied to the automobile lamp. Sunlight impinging on the reflective bowl or lens may be reflected or refracted and then focused on the components within the lamp, causing a local temperature increase of the components beyond the tolerance limit of the material and resulting in appearance or functional damage. The existing car lamp usually adopts local aluminizing, changes high temperature resistant material or increases the metal heat shield to protect the damage that sunshine caused through lens focus, and the influence to the car lamp molding is great like this, also can crowd the inner space who occupies a lot of car lamps, in view of above-mentioned problem, design new car lamp spare part sunshine protection architecture is the key of solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a sunshine protection system for car light spare part shelters from the overheated and impaired problem of function of material that partial sunshine caused in order to solve the sunshine focus through the electrochromic material who utilizes the color-changing membrane, avoids the influence to other molding parts in the lamp.

The utility model aims at providing a sunshine protection system for car light spare part, including outer lens, escutcheon, casing, optics module, reflection bowl, inner lens, outer lens and casing assembly, escutcheon assembly in outer lens or casing; the optical module and the reflecting bowl are assembled on the shell, and the inner lens is assembled on the decorative frame; the outer lens is arranged in front of the decorative frame, the shell, the optical module, the reflecting bowl and the inner lens; the inner lens is arranged in front of the reflecting bowl and is positioned between the outer lens and the reflecting bowl; the inner side of the outer lens is attached with a first color changing film, the transmittance of the first color changing film can be lost under the action of an external electric field, and a stable and reversible color change phenomenon occurs, so that the color or transparency of the material can be reversibly changed;

the sensing module is arranged in the lamp or other vehicle body positions outside the lamp, the control module is arranged in the vehicle lamp or integrated into a control box of the whole vehicle, the sensing module receives ambient light and outputs a detected light intensity signal to the control module, and after the control module judges whether the light intensity signal is greater than a preset threshold value or not, the control module outputs a control signal to control the voltage of the first color changing film, so that the light transmission control of the first color changing film is realized, the amount of sunlight entering the vehicle lamp is changed, and the sunlight focusing risk is avoided;

when the whole lamp is in a direct sunlight environment, the sensing module receives ambient light and outputs a detected light intensity signal to the control module, the control module outputs a control signal after judging that the light intensity signal is greater than a preset threshold value, the voltage of the color-changing film is changed, the light transmittance is adjusted by changing the color or transparency of the color-changing film, the amount of sunlight entering the vehicle lamp is changed, and the phenomenon that the appearance or the function is damaged due to sunlight focusing is avoided;

when the whole vehicle enters a non-sunlight direct irradiation environment, the control module calculates and judges that no sunlight irradiates on the vehicle lamp according to the signal of the sensing module, outputs a new control signal, and restores the voltage of the color-changing film to enable the color or transparency of the color-changing film to return to an initial state.

The further improvement lies in that: the area of the color-changing film covered on the outer lens covers the visible area of the appearance right in front of the optical module or the reflecting bowl.

The further improvement lies in that: the optical module is provided with a module lens, the module lens is arranged at the front position of the optical module, a second color-changing film is attached to the module lens, the second color-changing film has the same property with the first color-changing film, namely the transmittance of the second color-changing film can lose electrons under the action of an external electric field, the color change phenomenon which is stable and reversible occurs, the color or the transparency of the material can be reversibly changed, and the second color-changing film is arranged in front of the optical module, so that the independent protection effect on the sunlight focusing problem of the optical module is realized.

The further improvement lies in that: the inner lens is attached with a third color-changing film, the third color-changing film has the same property as the first color-changing film, namely the transmittance of the third color-changing film can be lost under the action of an external electric field, so that a stable and reversible color change phenomenon occurs, the color or transparency of the material can be reversibly changed, and the third color-changing film is arranged in front of the reflecting bowl, so that the independent protection effect on sunlight focusing of the reflecting bowl is realized.

The further improvement lies in that: when the color changing area of the first color changing film is local, the color or transparency of the whole first color changing film is not required to be changed after the voltage of the color changing film is changed, the color or transparency of a part of the area is not changed, or the color or transparency of different areas is changed to different degrees.

The further improvement lies in that: the color-changing film is attached to the outer lens in a whole manner, or only attached to an area below the outer lens and in front of the reflection bowl, or only attached to an area above the outer lens and in front of the optical module.

The further improvement lies in that: only arranging a first color-changing film;

or a second color changing film and a third color changing film are arranged, but the first color changing film is not arranged;

or a first color changing film and a second color changing film are arranged, and the first color changing film is required to be arranged in a sunlight focusing problem area which is positioned in front of the reflecting bowl and below the outer lens;

or a first color changing film and a third color changing film are arranged, and at the moment, a first color changing film is required to be arranged in a sunlight focusing problem area above the outer lens and in front of the optical module.

The further improvement lies in that: the first color changing film, the second color changing film and the third color changing film are simultaneously arranged in multiple layers in one region.

The further improvement lies in that: the first color changing film extends to an invisible appearance area of the contour edge of the upper end of the outer lens to be connected with the control circuit, the second color changing film extends to an invisible appearance area of the bottom edge of the module lens to be connected with the control circuit, and the third color changing film extends to an invisible appearance area of the edge of the inner lens to be connected with the control circuit.

The further improvement lies in that: the first color changing film, the second color changing film and the third color changing film are made of materials which are resistant to sunlight irradiation, high in ultraviolet ray resistance coefficient and resistant to high temperature in the automobile lamp, and the initial state of the color changing films is colorless and transparent.

The utility model has the advantages that: the utility model discloses can solve sunshine focus and cause the local temperature rise of part to exceed the tolerance limit value of material and cause the impaired risk of outward appearance or function, do not influence the molding yet, can be applicable to a variety of complicated molding, more set up in the inboard of outer lens, the bottom surface of lens, the inner face of inner lens because of the color-changing membrane, the space flexibility improves greatly, this awkward problem of the limited space of prior art solution also can solve.

Drawings

Fig. 1 is an isometric view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a sectional view a-a of fig. 2.

Fig. 4 is a partially enlarged view of the region B of fig. 3.

Fig. 5 is a partially enlarged view of the region C of fig. 3.

Fig. 6 is a partially enlarged view of the region D of fig. 3.

Fig. 7 is a schematic block diagram of an embodiment of the system of the present invention.

Wherein: 1-outer lens, 11-first color changing film, 2-decorative frame, 3-shell, 4-optical module, 41-module lens, 42-second color changing film, 5-reflecting bowl, 6-inner lens and 61-third color changing film.

Detailed Description

In order to deepen the understanding of the present invention, the present invention will be described in detail with reference to the following embodiments, which are only used for explaining the present invention and do not limit the protection scope of the present invention.

As shown in fig. 1 to 7, the present embodiment provides a solar protection system for vehicle lamp components, which includes an outer lens 1, an escutcheon 2, a housing 3, an optical module 4, a reflective bowl 5, and an inner lens 6.

The outer lens 1 is arranged in a glue groove on the periphery of the shell 3, and is fixed by injecting glue into the glue groove, and the outer lens 1 and the shell 3 form the outer contour of the lamp body after being arranged to accommodate and protect other lamp internal parts. The escutcheon 2 is fixed to the lens 1 or the housing 3 by screws. The optical module 4 is fixed to the housing 3 by a ball joint hinge. The reflection bowl 5 is fixed on the shell 3 through a ball joint hinge. The inner lens 6 is fixed to the escutcheon 2 by a snap or screw.

As shown in fig. 4, a discoloring film one 11 is attached to the inner side of the outer lens 1, wherein the discoloring film one 11 extends to an externally invisible region of the contour edge of the upper end of the outer lens 1 to connect a control circuit. The outer lens is positioned at the foremost of the whole lamp, in front of the escutcheon 2, the optics module 4, the reflector bowl 5 and the inner lens 6. The area covered by the color changing film one 11 on the outer lens 1 covers the visible area of the appearance right in front of the optical module 4 or the reflecting bowl 6.

As shown in fig. 5, a module lens 41 is attached to the front of the optical module 4, and a second color changing film 42 is attached to the bottom surface of the module lens 41. The second color changing film 42 extends to the invisible area of the bottom edge of the module lens 41 to connect with the control circuit.

As shown in fig. 6, the inner lens 6 is mounted on the escutcheon 2 and is disposed in front of the reflective bowl 5, the inner lens 6 is disposed between the escutcheon 2 and the reflective bowl 5, wherein the inner surface of the inner lens 6 is attached with a color changing film three 61. The color shifting film three 61 extends to the visually undetectable area of the edge of the inner lens 6 to connect to the control circuit.

The materials of the first color changing film 11, the second color changing film 42 and the third color changing film 61 have the following properties that the optical properties (such as reflectivity, transmittance, absorption rate and the like, in the embodiment, the transmittance is mainly used) of the materials generate electrochemical oxidation-reduction reaction under the action of an applied electric field, electrons are lost, and therefore a stable and reversible color changing phenomenon is generated, so that the color of the materials is changed, and the appearance of the materials is represented as reversible change of color and transparency.

The embodiment further comprises a sensing module and a control module, wherein the sensing module can be arranged inside the lamp and also can be arranged at other positions of the vehicle body outside the lamp. The control module can be arranged in the vehicle lamp and can also be integrated into a control box of the whole vehicle. The perception module accepts ambient light and outputs the light intensity signal that detects to control module, and after control module judged whether the light intensity signal was greater than the threshold value that sets up in advance, the voltage of output control signal control color-changing membrane one 11, two 42, three 61 of color-changing membrane realizes the light transmissivity control to color-changing membrane one 11, two 42, three 61 of color-changing membrane, changes the volume that gets into sunshine in the car light, avoids sunshine focus risk.

As shown in fig. 7, when the whole lamp is in a direct sunlight environment, the sensing module receives ambient light and outputs a detected light intensity signal to the control module, and after the control module judges that the light intensity signal is greater than a preset threshold value, the control module outputs a control signal to change the voltage of the color-changing film, and adjusts the light transmittance by changing the color or transparency of the color-changing film, so that the amount of sunlight entering the vehicle lamp is changed, and the phenomenon that the local temperature of a part is increased to exceed the tolerance limit value of a material due to sunlight focusing to cause appearance or function damage is avoided. When the whole vehicle enters a non-sunlight direct irradiation environment, the control module calculates and judges that no sunlight irradiates on the vehicle lamp according to the signal of the sensing module, outputs a new control signal, and restores the voltage of the color-changing film to enable the color or transparency of the color-changing film to return to an initial state. The simulation result of the sunlight focusing problem in the design process can obtain the change degree and the proportionality coefficient of the transmittance of the needed color-changing film, and after a design margin is reserved on a theoretical value, a final design value is obtained, and a voltage value which needs to be changed by the corresponding color-changing film can be obtained. When the sensing module determines that the whole lamp is in a direct sunlight environment, the sensing module and the control module can change the voltage of the color-changing film to change the color or transparency of the color-changing film, so that the risk of sunlight focusing is avoided.

The initial state of the color-changing film is preferably a colorless transparent state, no additional control voltage is needed in the initial state, and less energy is consumed in the using process.

The color shifting film is preferably selected from materials that can withstand the high temperatures within the vehicle lamp.

The color-changing film is preferably selected from materials which can withstand exposure to sunlight, particularly ultraviolet rays, for a long period of time.

The whole inner side of the outer lens 1 is adhered with the color changing film I11, the color changing area of the color changing film I11 can be integrated or local, when the color changing area of the color changing film I11 is local, the color or transparency of the whole color changing film I11 is not required to be changed after the voltage of the color changing film is changed, the color or transparency of partial areas can be changed, the color or transparency of partial areas is not changed, or the color or transparency of different areas is changed to different degrees. Alternatively, the first color changing film 11 may be attached only to the lower region of the outer lens 1 (in front of the reflective bowl), or the upper region of the outer lens 1 (in front of the optical module), or even to the middle region or other positions.

The color changing region of color changing membrane two 42 is preferably integral, and the color changing region of color changing membrane three 61 is preferably integral.

The embodiment can be provided with only the color changing film I11;

or the second color changing film 42 and the third color changing film 61 can be arranged, but the first color changing film 11 is not arranged;

or a first color changing film 11 and a second color changing film 42 can be arranged, and at the moment, a first color changing film 11 is required to be arranged in a sunlight focusing problem area below the outer lens and in front of the reflecting bowl;

or a first color changing film 11 and a third color changing film 61 can be arranged, and at the moment, a sunlight focusing problem area above the outer lens and in front of the optical module 4 needs to be provided with the first color changing film 11.

This embodiment can solve sunshine focus promptly and cause the local temperature rise of part to exceed the tolerance limit value of material and cause the impaired risk of outward appearance or function, does not also influence the molding, can be applicable to a variety of individual complicated molding, more because of the color-changing membrane sets up in the inboard of outer lens 1, the bottom surface of module lens 41, the inner face of inner lens 6, and the space flexibility improves greatly, and this troublesome problem of the limited space of prior art solution also can be solved.

The above describes in detail optional implementation manners of embodiments of the present invention with reference to the accompanying drawings, however, the embodiments of the present invention are not limited to the details in the above implementation manners, and in the technical concept scope of the embodiments of the present invention, it is possible to perform various simple modifications on the technical solutions of the embodiments of the present invention, and these simple modifications all belong to the protection scope of the embodiments of the present invention.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention do not separately describe various possible combinations.

In addition, various different implementation manners of the embodiments of the present invention can be combined arbitrarily, and as long as it does not violate the idea of the embodiments of the present invention, it should be considered as the disclosure of the embodiments of the present invention.

Claims (10)

1. The utility model provides a sunshine protection system for spare part of car light, includes outer lens (1), escutcheon (2), casing (3), optical module (4), reflection bowl (5), inner lens (6), its characterized in that: the outer lens (1) is assembled with the shell (3), and the decorative frame (2) is assembled on the outer lens (1) or the shell (3); the optical module (4) and the reflecting bowl (5) are assembled on the shell (3), and the inner lens (6) is assembled on the decorative frame (2); the outer lens (1) is arranged in front of the decorative frame (2), the shell (3), the optical module (4), the reflecting bowl (5) and the inner lens (6); the inner lens (6) is arranged in front of the reflecting bowl (5) and is positioned between the outer lens (1) and the reflecting bowl (5); the inner side of the outer lens (1) is attached with a first color changing film (11).

2. The solar protection system for a vehicle lamp component according to claim 1, wherein: the area covered by the first color-changing film (11) on the outer lens (1) comprises an appearance visible area right in front of the optical module (4) or the reflecting bowl (5).

3. The solar protection system for a vehicle lamp component according to claim 1, wherein: the optical module (4) is provided with a module lens (41), the module lens (41) is arranged at the front position of the optical module (4), a second color-changing film (42) is attached to the module lens (41), the second color-changing film (42) has the same property with the first color-changing film (11), and the second color-changing film (42) is arranged in front of the optical module (4).

4. The solar protection system for vehicle lamp components of claim 3, wherein: a third color-changing film (61) is attached to the inner lens (6), the third color-changing film (61) has the same property as the first color-changing film (11), and the third color-changing film (61) is arranged in front of the reflecting bowl (5).

5. The solar protection system for vehicle lamp components of claim 4, wherein:

the color changing area of the color changing film I (11) is integrated or local, the color changing area of the color changing film II (42) is integrated, and the color changing area of the color changing film III (61) is integrated.

6. The solar protection system for a vehicle lamp component according to claim 1, wherein: the color changing film I (11) is attached to the outer lens (1) in whole, or attached to the area below the outer lens (1) and in front of the reflecting bowl (5), or attached to the area above the outer lens (1) and in front of the optical module (4).

7. The solar protection system for a vehicle lamp component according to claim 5, wherein: only arranging a first color changing film (11);

or a second color changing film (42) and a third color changing film (61) are arranged, but the first color changing film (11) is not arranged;

or a first color changing film (11) and a second color changing film (42) are arranged, and the first color changing film (11) is required to be arranged in a sunlight focusing problem area which is positioned in front of the reflecting bowl (5) and below the outer lens (1);

or a first color changing film (11) and a third color changing film (61) are arranged, and a first color changing film (11) is required to be arranged in a sunlight focusing problem area above the outer lens and in front of the optical module (4).

8. The solar protection system for a vehicle lamp component according to claim 5, wherein: the first color changing film (11), the second color changing film (42) and the third color changing film (61) are simultaneously arranged in multiple layers in one region.

9. The solar protection system for a vehicle lamp component according to claim 5, wherein: the first color changing film (11) extends to an invisible appearance area of the outline edge of the upper end of the outer lens (1) to be connected with a control circuit, the second color changing film (42) extends to an invisible appearance area of the bottom surface edge of the module lens (41) to be connected with the control circuit, and the third color changing film (61) extends to an invisible appearance area of the edge of the inner lens (6) to be connected with the control circuit.

10. The solar protection system for a vehicle lamp component according to claim 5, wherein: the first color changing film (11), the second color changing film (42) and the third color changing film (61) are made of materials which are resistant to sunlight irradiation, high in ultraviolet ray resistance coefficient and resistant to high temperature in the automobile lamp, and the initial state of the color changing films is colorless and transparent.

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