Complementary type automatic anti-dazzle electrochromic rearview mirror

Abstract

The utility model discloses a complementary type automatic anti-dazzle electrochromic rearview mirror, which relates to the technical field of rearview mirrors and comprises a mirror frame and an electrochromic lens arranged in the mirror frame, a control circuit board used for adjusting color change of the electrochromic lens is further arranged in the mirror frame, a photosensitive component is arranged on the mirror frame, and the control circuit board is connected with the photosensitive component. The photosensitive assembly comprises a front photosensitive element with the front face facing an observer and a rear photosensitive element with the back face facing the observer, the front photosensitive element and the rear photosensitive element are in signal connection with the control circuit board, and the electrochromic lens is electrically connected with the control circuit board to form an electric loop. And the reflectivity of the electrochromic lens is adjusted under the action of the control circuit board. The electrochromic rearview mirror solves the problem that most of existing electrochromic rearview mirrors only depend on a single light sensing element to sense the light intensity, the difference between front light and rear light cannot be accurately judged, and the anti-dazzle effect is not ideal.

Description

Technical Field

[0001] The utility model belongs to the technical field of rearview mirrors, and specifically relates to a complementary automatic anti-glare electrochromic rearview mirror. Background Art

[0002] The rearview mirror is an important component of a car. It is used for the driver to observe the situation behind the vehicle and is of great significance to driving safety. When the driver is driving at night or in a dark long-distance tunnel, the headlights of the vehicle behind will shine through the rear window of the car onto the interior rearview mirror. The reflected strong light from the interior rearview mirror will shine on the driver's eyes, causing glare, which will irritate the driver's eyes, affect the driver's vision, and pose a serious threat to the safety of the driver and passengers.

[0003] The existing patent (application number: CN202122122704.4) proposes an electrochromic rearview mirror, including a mirror assembly, wherein the mirror assembly includes an electrochromic mirror; and also includes a mirror frame, wherein the mirror assembly is arranged in the mirror frame; a photosensitive hole is opened on the mirror frame, and the axial direction of the photosensitive hole is perpendicular to the electrochromic mirror; a photosensitive sensor is arranged in the photosensitive hole, and the electrochromic rearview mirror does not need to destroy the structure of the electrochromic mirror to set the photosensitive sensor.

[0004] However, most existing electrochromic rearview mirrors rely on only a single photosensitive element to sense light intensity and are unable to accurately judge the difference in light in front and behind, resulting in unsatisfactory anti-glare effects.

[0005] In view of this, this application is hereby filed. Utility Model Content

[0006] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a complementary automatic anti-glare electrochromic rearview mirror to achieve the desired purpose.

[0007] In order to solve the above technical problems, the utility model provides a complementary automatic anti-glare electrochromic rearview mirror, including a mirror frame and an electrochromic lens installed therein, the mirror frame is also provided with a control circuit board for adjusting the color change of the electrochromic lens, a photosensitive component is installed on the mirror frame, the photosensitive component includes a front photosensitive element with the front facing the observer and a rear photosensitive element with the back facing the observer, the front photosensitive element and the rear photosensitive element respectively establish signal connections with the control circuit board, the electrochromic lens is electrically connected to the control circuit board to form an electrical circuit, and the reflectivity of the electrochromic lens is adjusted under the action of the control circuit board.

[0008] Furthermore, the photosensitive component also includes a mounting shell embedded in the top wall of the lens frame, and the front end surface and the rear end surface of the mounting shell are both provided with photosensitive holes for accommodating the front photosensitive element and the rear photosensitive element.

[0009] Furthermore, a protective lens is sealed and installed at the port of the photosensitive hole. The protective lens is made of ultra-white tempered glass, and the outer surface of the protective lens is flush with the end surface of the mounting shell.

[0010] Furthermore, a rotating shaft is rotatably installed inside the mounting shell along its length direction, and cleaning rods for cleaning the protective lenses are installed at both end heads of the rotating shaft. A driving motor is also installed inside the mounting shell, and a worm is fixedly connected to the driving end of the driving motor, and a worm wheel meshing with the worm is fixedly installed on the outer wall of the rotating shaft.

[0011] Furthermore, the inner side wall of the cleaning rod is in contact with the outer surface of the mounting shell, and a cleaning cloth is provided on the side of the cleaning rod in contact with the mounting shell.

[0012] Furthermore, the electrochromic lens includes a first glass base layer and a second glass base layer which are symmetrically arranged, a first ITO conductive layer and a second ITO conductive layer are arranged between the first glass base layer and the second glass base layer, a sealant layer is arranged between the first ITO conductive layer and the second ITO conductive layer, a sealed cavity is formed between the first ITO conductive layer, the second ITO conductive layer and the sealant layer, and the interior of the sealed cavity is filled with an EC liquid layer.

[0013] After adopting the above technical scheme, the utility model has the following beneficial effects compared with the prior art.

[0014] 1. In the present invention, the front photosensitive element and the rear photosensitive element arranged on the rearview mirror cooperate to achieve a complementary effect. One is located on the rear shell of the rearview mirror inside the vehicle and is used to sense the brightness of the ambient light in front; the other is facing rearward, generally located on the front shell of the rearview mirror or hidden in the lens, and is used to sense the brightness of the light behind. The front photosensitive element and the rear photosensitive element work simultaneously, and whether to turn on the anti-glare function is determined according to the difference in the light intensity in front and the light intensity in the rear. This complementary design can more accurately judge the light conditions, improve the anti-glare effect, and thus improve driving safety.

[0015] 2. In the utility model, the worm can be driven to rotate by a driving motor, the worm can drive the worm wheel meshing with it to rotate, the worm wheel drives the rotating shaft to rotate, and the rotating shaft drives the cleaning rod to clean the protective lens, so as to prevent impurities such as dust or rain from adhering to the protective lens and affecting the photosensitivity of the front photosensitive element and the rear photosensitive element, thereby improving the photosensitivity accuracy of the front photosensitive element and the rear photosensitive element. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation on the present invention. Obviously, the accompanying drawings described below are only some embodiments. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work. In the accompanying drawings:

[0017] Figure 1 This is a front view structural schematic diagram of the utility model;

[0018] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the photosensitive component in the utility model;

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the photochromic lens in the utility model.

[0021] Numbers in the figure: 1, frame; 2, electrochromic lens; 201, first glass base layer; 202, second glass base layer; 203, first ITO conductive layer; 204, second ITO conductive layer; 205, sealant layer; 206, EC liquid layer; 3, photosensitive component; 301, mounting shell; 302, front photosensitive element; 303, rear photosensitive element; 304, protective lens; 305, rotating shaft; 306, cleaning rod; 307, worm gear; 308, driving motor; 309, worm.

[0022] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] like Figures 1 to 4 As shown, the utility model provides a complementary automatic anti-glare electrochromic rearview mirror.

[0027] Specifically, by Figure 1-4 The present invention provides a spectacle frame 1, comprising a spectacle frame 1 and an electrochromic lens 2 installed therein. A control circuit board for adjusting the color change of the electrochromic lens 2 is also provided inside the spectacle frame 1. A photosensitive component 3 is installed on the spectacle frame 1. The photosensitive component 3 comprises a front photosensitive element 302 with the front side facing the observer and a rear photosensitive element 303 with the back side facing the observer. The front photosensitive element 302 and the rear photosensitive element 303 respectively establish signal connections with the control circuit board. The electrochromic lens 2 is electrically connected to the control circuit board to form an electrical circuit, and the reflectivity of the electrochromic lens 2 is adjusted under the action of the control circuit board.

[0028] In the utility model, the front photosensitive element 302 and the rear photosensitive element 303 arranged on the rearview mirror cooperate to achieve a complementary effect. One is located on the rear shell of the rearview mirror inside the vehicle, and is used to sense the brightness of the ambient light in the front; the other faces the rear, is generally located on the front shell of the rearview mirror or is hidden in the lens, and is used to sense the brightness of the light in the rear. The front photosensitive element 302 and the rear photosensitive element 303 work at the same time, and the difference in the light intensity in the front and the light intensity in the rear is used to determine whether to turn on the anti-glare function. This complementary design can more accurately determine the light conditions, improve the anti-glare effect, and thus improve driving safety.

[0029] It should be noted that the front photosensitive element 302 and the rear photosensitive element 303 in the anti-glare electrochromic rearview mirror are photoresistors or photosensitive sensors.

[0030] Furthermore, as a specific implementation of the present invention, the present invention provides a complementary automatic anti-glare electrochromic rearview mirror.

[0031] Specifically, Figure 2 and Figure 3 It is shown that the photosensitive component 3 also includes a mounting shell 301 embedded in the top wall of the lens frame 1 , and the front end surface and the rear end surface of the mounting shell 301 are both provided with photosensitive holes for accommodating the front photosensitive element 302 and the rear photosensitive element 303 .

[0032] In the present invention, the front photosensitive element 302 and the rear photosensitive element 303 are easily installed by means of the installation shell 301 .

[0033] Furthermore, as another specific implementation of the present invention, the present invention provides a complementary automatic anti-glare electrochromic rearview mirror.

[0034] Specifically, Figure 3 It is shown that a protective lens 304 is sealed and installed at the port of the photosensitive hole. The protective lens 304 is made of ultra-white tempered glass, and the outer surface of the protective lens 304 is flush with the end surface of the mounting shell 301.

[0035] In the present invention, the protective lens 304 is provided to provide a protective effect, thereby preventing foreign matter or sewage from invading the interior of the mounting shell 301 .

[0036] Furthermore, as a specific implementation of the present invention, the present invention provides a complementary automatic anti-glare electrochromic rearview mirror.

[0037] Specifically, Figure 3 It is shown that a rotating shaft 305 is rotatably installed inside the mounting shell 301 along its length direction, and cleaning rods 306 for cleaning the protective lens 304 are installed at both end heads of the rotating shaft 305. A driving motor 308 is also installed inside the mounting shell 301, and a worm 309 is fixedly connected to the driving end of the driving motor 308. A worm wheel 307 meshing with the worm 309 is fixedly installed on the outer wall of the rotating shaft 305.

[0038] In the utility model, the worm 309 can be driven to rotate by driving the motor 308, the worm 309 can drive the worm wheel 307 meshing with it to rotate, the worm wheel 307 drives the rotating shaft 305 to rotate, and the rotating shaft 305 drives the cleaning rod 306 to clean the protective lens 304, so as to prevent impurities such as dust or rain from adhering to the protective lens 304 and affecting the photosensitive effects of the front photosensitive element 302 and the rear photosensitive element 303, thereby improving the photosensitive accuracy of the front photosensitive element 302 and the rear photosensitive element 303.

[0039] Furthermore, as a specific implementation of the present invention, the present invention provides a complementary automatic anti-glare electrochromic rearview mirror.

[0040] Specifically, Figure 3 It is shown that the inner side wall of the cleaning rod 306 is in contact with the outer surface of the mounting shell 301 , and a cleaning cloth is provided on the side of the cleaning rod 306 in contact with the mounting shell 301 .

[0041] In the present invention, in order to improve the cleaning effect of the protective lens 304.

[0042] Furthermore, as a specific implementation of the present invention, the present invention provides a complementary automatic anti-glare electrochromic rearview mirror.

[0043] Specifically, Figure 4 It is shown that the electrochromic lens 2 includes a first glass substrate 201 and a second glass substrate 202 which are symmetrically arranged, a first ITO conductive layer 203 and a second ITO conductive layer 204 are arranged between the first glass substrate 201 and the second glass substrate 202, a sealant layer 205 is arranged between the first ITO conductive layer 203 and the second ITO conductive layer 204, a sealed cavity is formed between the first ITO conductive layer 203, the second ITO conductive layer 204 and the sealant layer 205, and the interior of the sealed cavity is filled with an EC liquid layer 206.

[0044] In the utility model, when the vehicle is illuminated by rear light, if the rear light is greater than the front light, the control circuit board will output a voltage to the first ITO conductive layer 203 or the second ITO conductive layer 204. The voltage on the first ITO conductive layer 203 or the second ITO conductive layer 204 will change the color of the mirror electroplating layer. The higher the voltage, the darker the color of the electroplating layer. At this time, even if the strongest light shines on the rearview mirror, it will be reflected to the driver's eyes through the anti-glare interior rearview mirror and will show a dark light without dazzling, thereby achieving an anti-glare effect.

[0045] Working principle: The front photosensitive element 302 and the rear photosensitive element 303 set on the rearview mirror complement each other. One is located on the rear shell of the rearview mirror inside the car, and is used to sense the brightness of the ambient light in front; the other is facing the rear, generally located on the front shell of the rearview mirror or hidden in the lens, and is used to sense the brightness of the light behind. The front photosensitive element 302 and the rear photosensitive element 303 work at the same time, and the difference in the light intensity in front and the light intensity in the back is used to determine whether to turn on the anti-glare function. This complementary design can more accurately determine the light intensity. Line conditions are met, the anti-glare effect is improved, and thus driving safety is improved. The worm 309 can be driven to rotate by the driving motor 308, and the worm 309 can drive the worm wheel 307 meshing with it to rotate, and the worm wheel 307 drives the rotating shaft 305 to rotate, and the rotating shaft 305 drives the cleaning rod 306 to clean the protective lens 304, so as to prevent impurities such as dust or rain from adhering to the protective lens 304 and affecting the light-sensitive effect of the front photosensitive element 302 and the rear photosensitive element 303, thereby improving the light-sensitive accuracy of the front photosensitive element 302 and the rear photosensitive element 303.

[0046] The above is only a preferred embodiment of the present invention, and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with this patent can make some changes or modifications to equivalent embodiments of equivalent changes using the technical content suggested above without departing from the scope of the technical solution of the present invention. The implementation schemes in the above embodiments can also be further combined or replaced. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the present invention.

Claims

1. A complementary automatic anti-glare electrochromic rearview mirror, comprising a mirror frame (1) and an electrochromic lens (2) installed inside the mirror frame, wherein a control circuit board for adjusting the color change of the electrochromic lens (2) is also arranged inside the mirror frame (1), characterized in that: The frame (1) is provided with a photosensitive component (3), the photosensitive component (3) comprising a front photosensitive element (302) with its front side facing the observer and a rear photosensitive element (303) with its back side facing the observer, the front photosensitive element (302) and the rear photosensitive element (303) respectively establish signal connections with a control circuit board, the electrochromic lens (2) is electrically connected with the control circuit board to form an electrical circuit, and the reflectivity of the electrochromic lens (2) is adjusted under the action of the control circuit board.

2. A complementary automatic anti-glare electrochromic rearview mirror according to claim 1, characterized in that: The photosensitive component (3) further comprises a mounting shell (301) embedded and mounted on the top wall of the lens frame (1), and the front end face and the rear end face of the mounting shell (301) are both provided with photosensitive holes for accommodating the front photosensitive element (302) and the rear photosensitive element (303).

3. A complementary automatic anti-glare electrochromic rearview mirror according to claim 2, characterized in that: A protective lens (304) is sealed and installed at the port of the photosensitive hole. The protective lens (304) is made of ultra-white tempered glass. The outer surface of the protective lens (304) is flush with the end surface of the mounting shell (301).

4. A complementary automatic anti-glare electrochromic rearview mirror according to claim 2, characterized in that: A rotating shaft (305) is rotatably mounted inside the mounting shell (301) along its length direction, and cleaning rods (306) for cleaning the protective lens (304) are mounted at both ends of the rotating shaft (305). A driving motor (308) is also mounted inside the mounting shell (301), and a worm (309) is fixedly connected to the driving end of the driving motor (308). A worm wheel (307) meshingly connected to the worm (309) is fixedly mounted on the outer wall of the rotating shaft (305).

5. A complementary automatic anti-glare electrochromic rearview mirror according to claim 4, characterized in that: The inner side wall of the cleaning rod (306) is in contact with the outer surface of the mounting shell (301), and a cleaning cloth is provided on the side of the cleaning rod (306) in contact with the mounting shell (301).

6. The complementary automatic anti-glare electrochromic rearview mirror according to claim 1, characterized in that: The electrochromic lens (2) comprises a first glass substrate (201) and a second glass substrate (202) which are symmetrically arranged, a first ITO conductive layer (203) and a second ITO conductive layer (204) are arranged between the first glass substrate (201) and the second glass substrate (202), a sealant layer (205) is arranged between the first ITO conductive layer (203) and the second ITO conductive layer (204), a sealed cavity is formed between the first ITO conductive layer (203), the second ITO conductive layer (204) and the sealant layer (205), and the interior of the sealed cavity is filled with an EC liquid layer (206).

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