Rearview mirror light guide structure capable of accurately distributing light

Abstract

The utility model discloses a rearview mirror light guide structure capable of accurately distributing light, and particularly relates to the field of automobile rearview mirrors, the rearview mirror light guide structure comprises a rearview mirror shell, a light detection mechanism is arranged at the bottom of the rearview mirror shell, the light detection mechanism comprises a protective shell, a first light intensity sensor and a second light intensity sensor are arranged in the protective shell, and the first light intensity sensor and the second light intensity sensor are arranged in the protective shell. The transparent cover is arranged in front of the first light intensity sensor and the second light intensity sensor, silica gel plates are arranged at the two ends of the first light intensity sensor and the two ends of the second light intensity sensor respectively, and folding parts are arranged at the tops and the bottoms of the silica gel plates respectively. The folding parts are arranged at the top and the bottom of the silica gel plate, and the protective shell drives the silica gel plate, the folding parts and the transparent cover to vibrate in the running process of the automobile, so that sagging water drops can be quickly shaken off, and a lens of the light intensity sensor is prevented from being shielded.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile rear -view mirror, concretely is a rear -view mirror light guide structure of accurate light distribution. BACKGROUND

[0002] The automobile rear -view mirror is the important tool that driver observes the situation behind the vehicle in the process of driving, along with the development of science and technology, the automobile rear -view mirror has developed from the initial simple reflector to the multifunctional rear -view mirror of present, is provided with light guide structure in the inside of automobile rear -view mirror to realize having the anti -fog function, and the anti -fog function mainly relies on electrochromic lens and light intensity sensor to realize.

[0003] The existing rear -view mirror light guide structure is usually installed light intensity sensor in the front and back of automobile rear -view mirror, detects the light intensity of the environment in front and back of automobile rear -view mirror through light intensity sensor, finally carries out voltage control to the electrochromic lens of automobile rear -view mirror through electronic controller to realize the light transmittance of electrochromic lens, but the light guide structure of existing automobile rear -view mirror is easy to flow and hang water droplet on the surface of its lens in the rainy weather, causes the light receiving lens of the light intensity sensor of light guide structure to be shaded, affects the light intensity sensor to receive external light, causes the detection precision of light intensity sensor to be low, influences the reaction of the electronic controller of light guide structure, can not realize the accurate light distribution of rear -view mirror, affects use. Therefore, the utility model provides a rear -view mirror light guide structure of accurate light distribution to solve the problems raised in the above. UTILITY MODEL CONTENT

[0004] The utility model is aimed at providing a rear -view mirror light guide structure of accurate light distribution to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A rear -view mirror light guide structure of accurate light distribution, including the rear -view mirror shell, the inside of rear -view mirror shell is provided with first protective shell and second protective shell, be provided with electronic controller between first protective shell and second protective shell, the front surface of second protective shell is provided with lens socket, the front surface of lens socket is provided with rear -view lens, the bottom of rear -view mirror shell is provided with light detection mechanism, the inside of protection shell is provided with first light intensity sensor and second light intensity sensor, both ends of first light intensity sensor and second light intensity sensor are provided with silica gel board, the top and bottom of silica gel board are provided with folding part, the front surface of silica gel board is provided with through -hole, the lens of first light intensity sensor and second light intensity sensor are fixed in through -hole, the front surface of silica gel board still is fixed with transparent cover, the bottom of transparent cover is provided with liquid guide stick.

[0007] As a further scheme of the utility model, the rear surface of the rearview mirror piece is fixed with a back plate, the rear surface of the back plate is fixed with a fixed plate, the surface of the fixed plate is fixed with a plug post, the front surface of the second protective shell is provided with a plug hole, and the plug hole and the plug post are matched with each other.

[0008] As a further scheme of the utility model, the rear surface of the back plate is further fixed with two sponge blocks, the side of the sponge block relative to the back plate is closely attached to the surface of the second protective shell, the inner wall of the rearview mirror shell is fixed with a hollow tube, the rear surface of the first protective shell is provided with a plug tube, and the plug tube can be plugged into the hollow tube.

[0009] As a further scheme of the utility model, the rearview mirror piece and the electronic controller are provided with a data cable, and the rearview mirror piece adopts an electrochromic lens.

[0010] As a further scheme of the utility model, the front surface of the rearview mirror shell is further fixed with a direction lamp, and the direction lamp and the electronic controller are connected through a cable.

[0011] As a further scheme of the utility model, the surface of the protective shell is provided with a mounting groove, the silica gel plate and the folding part form a rectangular plate body, and the outer edge of the rectangular plate body and the mounting groove are fixed through glue.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] In use, the silica gel plate is provided with a transparent cover in front, the transparent cover is used for protecting the lens of the light intensity sensor, the lens of the light intensity sensor is fixed with the silica gel plate, the top and bottom of the silica gel plate are provided with folding parts, the silica gel plate is fixed on the protective shell, the protective shell is vibrated during the driving of the automobile, the protective shell drives the silica gel plate, the folding parts and the transparent cover to vibrate, so that the water droplets are shaken off quickly, the lens of the light intensity sensor is not blocked, the detection precision of the light intensity sensor is improved, the light guide structure of the rearview mirror can adjust the light transmittance of the rearview mirror piece according to the change of external light conditions, realizes accurate light distribution, and improves the visual clarity and driving safety of the driver. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model.

[0015] Figure 2 It is an exploded structural schematic view of the utility model.

[0016] Figure 3 It is an exploded view of the light detection mechanism of the utility model.

[0017] Figure 4The exploded view of the silica gel plate and the sensor.

[0018] Figure 5 The structural schematic view of the rearview mirror piece.

[0019] Figure 6 The perspective view of the second protective shell.

[0020] In the figure,

[0021] 1, rearview mirror shell; 2, direction lamp; 3, rearview mirror piece; 31, back plate; 32, plug post; 33, fixed plate; 34, sponge block; 4, light detection mechanism; 41, protective shell; 42, mounting groove; 43, transparent cover; 44, silica gel plate; 45, first light intensity sensor; 46, second light intensity sensor; 47, liquid guide rod; 48, through hole; 49, folding part; 5, hollow tube; 6, plug pipe; 7, first protective shell; 8, electronic controller; 9, second protective shell; 10, mirror piece socket; 11, data cable; 12, jack. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-6 In the embodiments of the present application, a rearview mirror light guide structure capable of precise light distribution includes a rearview mirror shell 1, a first protective shell 7 and a second protective shell 9 arranged inside the rearview mirror shell 1, an electronic controller 8 arranged between the first protective shell 7 and the second protective shell 9, a mirror piece socket 10 arranged on the front surface of the second protective shell 9, a rearview mirror piece 3 arranged on the front surface of the mirror piece socket 10, a light detection mechanism 4 arranged at the bottom of the rearview mirror shell 1, the light detection mechanism 4 including a protective shell 41, the first protective shell 7 and the second protective shell 9 arranged inside the protective shell 41, a rubber rod arranged at the bottom of the first light intensity sensor 45 and the second light intensity sensor 46, the rubber rod being used for supporting the first light intensity sensor 45 and the second light intensity sensor 46, the bottom of the first light intensity sensor 45 and the second light intensity sensor 46 being in contact with the rubber rod, so as to ensure that the first light intensity sensor 45 and the second light intensity sensor 46 will not hit the inner wall of the protective shell 41.

[0024] The surface of the protective shell 41 is provided with a mounting groove 42, and the silica gel plate 44 and the folding part 49 form a rectangular plate body, and the outer edge of the rectangular plate body is fixed by glue between the mounting groove 42.

[0025] It should be noted that in this embodiment, the first light intensity sensor 45 and the second light intensity sensor 46 have the same function of measuring the intensity of light. The light intensity sensor is usually composed of a photosensitive diode, an operational amplifier, an analog-to-digital converter, a crystal oscillator and other components, which are not shown in the figure. The specific working principle of the first light intensity sensor 45 and the second light intensity sensor 46 is prior art, and in this application, the position relationship and connection relationship between the first light intensity sensor 45, the second light intensity sensor 46, the rearview mirror and the electronic controller 8 are mainly represented.

[0026] In this embodiment, specifically, the first light intensity sensor 45 and the second light intensity sensor 46 are both provided with silica gel plates 44, the top and bottom of the silica gel plate 44 are provided with folding parts 49, the front surface of the silica gel plate 44 is provided with a through hole 48, the lens of the first light intensity sensor 45 and the second light intensity sensor 46 is fixed in the through hole 48, and the front surface of the silica gel plate 44 is also fixed with a transparent cover 43, and the bottom of the transparent cover 43 is provided with a liquid guide rod 47.

[0027] In this embodiment, the rear surface of the rearview mirror 3 is fixed with a back plate 31, the rear surface of the back plate 31 is fixed with a fixed plate 33, the surface of the fixed plate 33 is fixed with a plug column 32, the front surface of the second protective shell 9 is provided with a plug hole 12, the plug hole 12 and the plug column 32 are matched with each other, and the rear surface of the back plate 31 is also fixed with two sponge blocks 34. It should be noted that the sponge block 34 is made of fireproof sponge material, which is a material of prior art, and the specific structure is not shown in the drawings. The specific function of the sponge block 34 is to reduce the impact of the rearview mirror 3 and the back plate 31 on the second protective shell 9, so as to protect the rearview mirror 3, the back plate 31 and the second protective shell 9, prolong the service life and reduce the noise.

[0028] The sponge block 34 is tightly attached to the surface of the second protective shell 9 relative to one side of the back plate 31, and the inner wall of the rearview mirror housing 1 is fixed with a hollow tube 5, and the rear surface of the first protective shell 7 is provided with a plug tube 6 which can be inserted into the hollow tube 5.

[0029] In this embodiment, a data cable 11 is provided between the rearview mirror piece 3 and the electronic controller 8, and the rearview mirror piece 3 is an electrochromic mirror piece, which is a high-tech product that changes the color and transparency of the material by using the electric field effect. The electrochromic mirror piece is a prior art, and the specific working principle is as follows: the electrochromic material is usually composed of multiple thin films, including an electrolyte layer and a conductive layer. When a voltage is applied, ions migrate in the electrolyte layer, causing the oxidation-reduction reaction of the coloring layer of the material to change the color depth of the mirror piece. This change is reversible, that is, when the voltage disappears, the material will return to its original state (not shown in the figure).

[0030] In this embodiment, the front surface of the rearview mirror shell 1 is also fixed with a direction lamp 2. Specifically, the direction lamp 2 emits bright light after being powered on to prompt the surrounding personnel. The direction lamp 2 is connected with the electronic controller 8 through a cable.

[0031] The working principle of the utility model is as follows:

[0032] In use, the rearview mirror light guide structure includes a first light intensity sensor 45 and a second light intensity sensor 46, which are respectively used for detecting the ambient brightness in front of and behind the automobile. The electronic controller 8 is located between the first protective shell 7 and the second protective shell 9 inside the rearview mirror shell 1, and is used for receiving the signals of the light intensity sensors and adjusting the light transmittance of the rearview mirror piece 3 according to these signals. The rearview mirror piece 3 is made of electrochromic material and can change its color and transparency according to the instructions of the electronic controller 8, so as to adjust the light transmittance and realize the anti-dazzling function. The two ends of the first light intensity sensor 45 and the second light intensity sensor 46 are provided with silica gel plates 44, the top and bottom of the silica gel plate 44 are provided with folding parts, and the front surface is fixed with a transparent cover 43. The design of the silica gel plate 44 and the transparent cover 43 is conducive to shaking off the water droplets by vibration during the driving of the automobile, so as to ensure that the sensor lens is not blocked. The bottom of the transparent cover 43 is provided with a liquid guide rod 47 for guiding the rainwater to flow along the surface of the transparent cover 43, preventing the rainwater from accumulating on the surface of the transparent cover 43 and affecting the detection accuracy of the sensor. The vibration generated during the driving of the automobile can drive the protective shell, the silica gel plate, the folding part and the transparent cover to vibrate, which is helpful for shaking off the water droplets and keeping the sensor lens clear. The rearview mirror piece 3 is connected with the electronic controller 8 through a data cable, ensuring the accuracy of signal transmission. The front surface of the rearview mirror shell 1 is also fixed with a direction lamp 2 connected with the electronic controller 8, which is used for emitting a prompt signal when the automobile turns.

[0033] Through the cooperative work of the above-mentioned various components, the rearview mirror light guide structure can adjust the light transmittance of the rearview mirror piece in real time according to the change of external light conditions, realize precise light distribution, and improve the visual clarity and driving safety of the driver.

[0034] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A light guide structure for a rearview mirror with precise light distribution, comprising a rearview mirror housing (1), characterized in that: The rearview mirror shell (1) is internally provided with a first protective shell (7) and a second protective shell (9), an electronic controller (8) is arranged between the first protective shell (7) and the second protective shell (9), a mirror lens socket (10) is arranged on the front surface of the second protective shell (9), a rearview mirror lens (3) is arranged on the front surface of the mirror lens socket (10), a light detection mechanism (4) is arranged at the bottom of the rearview mirror shell (1), the light detection mechanism (4) comprises a protective shell (41), the inside of the protective shell (41) is provided with a first light intensity sensor (45) and a second light intensity sensor (46), the two ends of the first light intensity sensor (45) and the second light intensity sensor (46) are provided with silica gel plates (44), the top and bottom of the silica gel plate (44) are provided with folding parts (49), the front surface of the silica gel plate (44) is provided with a through hole (48), the lenses of the first light intensity sensor (45) and the second light intensity sensor (46) are fixed in the through hole (48), and the front surface of the silica gel plate (44) is further fixed with a transparent cover (43). The bottom of the transparent cover (43) is provided with a liquid guide rod (47).

2. The light guide structure of claim 1, wherein: The rear surface of the rearview mirror lens (3) is fixed with a back plate (31), the rear surface of the back plate (31) is fixed with a fixed plate (33), the surface of the fixed plate (33) is fixed with a plug column (32), and the front surface of the second protective shell (9) is provided with a plug hole (12). The plug hole (12) and the plug column (32) are matched with each other.

3. The precision collimated mirror light guide structure of claim 2, wherein: The rear surface of the back plate (31) is further fixed with two sponge blocks (34), one side of the sponge block (34) relative to the back plate (31) is tightly attached to the surface of the second protective shell (9), the inner wall of the rearview mirror shell (1) is fixed with a hollow tube (5), the rear surface of the first protective shell (7) is provided with a plug tube (6), and the plug tube (6) can be plugged into the hollow tube (5).

4. The light guide structure of claim 1, wherein: A data cable (11) is arranged between the rearview mirror lens (3) and the electronic controller (8), and the rearview mirror lens (3) adopts an electrochromic lens.

5. The precision collimated mirror light guide structure of claim 1, wherein: The front surface of the rearview mirror shell (1) is further fixed with a direction lamp (2), and the direction lamp (2) and the electronic controller (8) are connected through a cable.

6. The precision collimated mirror light guide structure of claim 1, wherein: The surface of the protective shell (41) is provided with a mounting groove (42), the silica gel plate (44) and the folding part (49) form a rectangular plate body, and the outer edge of the rectangular plate body and the mounting groove (42) are fixed by glue.

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