CN213383824U - Electrochromic automobile sun shield - Google Patents
Electrochromic automobile sun shield Download PDFInfo
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- CN213383824U CN213383824U CN202022116108.0U CN202022116108U CN213383824U CN 213383824 U CN213383824 U CN 213383824U CN 202022116108 U CN202022116108 U CN 202022116108U CN 213383824 U CN213383824 U CN 213383824U
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- conductive substrate
- electrochromic
- sun visor
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Abstract
The utility model relates to an electrochromic automobile sun visor, which comprises a shell and an electrochromic element, wherein the element is arranged in the shell, at least part of the outer edge of the element is exposed outside the shell, and the element comprises a first conductive base material, a second conductive base material and an electrochromic medium; the electrochromic medium is filled in a cavity formed between the first conductive substrate and the second conductive substrate, and the cavity is defined by the sealing material; the peripheral edge of at least partial region of the first conductive substrate along the length direction of the first conductive substrate is positioned at the inner side of the peripheral edge of the second conductive substrate; the second electrically conductive substrate is connected with first electrically conductive clamp and the electrically conductive clamp of second along its length direction's peripheral region, and first electrically conductive clamp and the electrically conductive clamp setting of second are at the electrically conductive substrate of second along length direction's homonymy. The utility model discloses an electrochromic car sun visor board through electrochromic component, makes it have anti-dazzle purpose functional effect, has enlarged navigating mate's field of vision scope simultaneously, has improved the security of driving a vehicle.
Description
Technical Field
The utility model relates to a technical field of sunshading board especially relates to an electrochromic car sunshading board.
Background
The automobile has entered into tens of millions of families, and the eyes of people are stimulated by the irradiation of sunlight in daytime and the eyes of people are stimulated by the strong light opposite to the coming automobile when the automobile is in a meeting at night, which brings great hidden danger to driving safety.
The sun visor for automobile is installed over the head of driver and assistant driver to prevent glare. When the automobile sun visor is used, the automobile sun visor can be turned up and down and turned left and right when the automobile sun visor is not used, although the traditional automobile sun visor can block strong light and prevent the strong light outside the automobile from causing dazzling and painful influences on a driver, the sun visor cannot enable light to penetrate and occupy most of the visual range of the driver, and therefore the safety of the driver in the driving process is reduced.
Accordingly, there is a need to provide an anti-glare vehicle sun visor with an enlarged field of view to improve the safety of the driver during driving.
Disclosure of Invention
In view of the weak point of the above prior art, an object of the utility model is to provide an electrochromic car sun visor to the field of vision scope reduces when solving traditional sun visor and blockking the highlight, causes the threat for navigating mate's driving safety.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
an electrochromic automotive sun visor, the sun visor comprising:
a housing;
an electrochromic element disposed within the housing with at least a portion of an outer edge exposed outside of the housing, the element comprising:
the optical transparent first conductive substrate comprises a first base body and a first transparent conductive layer, wherein the first transparent conductive layer is arranged on the rear surface of the first base body;
a second optically transparent conductive substrate including a second base body and a second transparent conductive layer provided on a front surface of the second base body, the first conductive substrate and the second conductive substrate being arranged in a spaced-apart relationship, a peripheral edge of at least a partial region of the first conductive substrate in a length direction thereof being located inside a peripheral edge of the second conductive substrate;
a sealing material disposed substantially circumferentially between the outer peripheral regions of the first and second conductive substrates to sealingly bond the rear surface of the first base and the front surface of the second base to each other and define a cavity; and
an electrochromic medium disposed in the cavity;
the second conductive substrate is connected with a first conductive clamp and a second conductive clamp along the peripheral area of the second conductive substrate in the length direction, and the first conductive clamp and the second conductive clamp are arranged on the same side of the second conductive substrate in the length direction.
Preferably, at least part of the peripheral area of the electrochromic element is provided with a shielding layer, and the shielding layer is arranged on at least one of the first conductive substrate or the second conductive substrate.
Preferably, the outer edge exposed part is a smooth transition part after the round corner treatment.
Preferably, an adjusting button is arranged in the shell, and the adjusting button is electrically connected with the circuit board.
Preferably, the first transparent conductive layer and the second transparent conductive layer are independently selected from at least one of ITO, FTO, AZO, GZO or IMI.
Preferably, the first conductive clip and the second conductive clip are both located on the same side of the mounting hole, and the first conductive clip and the second conductive clip are respectively electrically connected with the first conductive base material and the second conductive base material through conductive paste.
Preferably, the second conductive substrate is provided with at least two mounting holes along the length direction thereof near the peripheral region, and the mounting holes are located on the same side of the second conductive substrate along the length direction thereof.
Preferably, a photosensitive sensor and a circuit board are further arranged in the shell, the photosensitive sensor faces the outside of the vehicle when in a working state, and the photosensitive sensor and the circuit board are electrically connected.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an electrochromic car sun visor board is provided with an electrochromic element, and the electrochromic medium in the element changes the optical properties such as color, transmissivity and reflectivity under the action of an electric field, so that the incident strong light can not cause stimulation and injury to the eyes of a driver; in addition, because the element has perspective, the visual field range of the driver is not greatly reduced due to the shielding of the sun shield.
The utility model discloses an electrochromic car sun visor board, two electrically conductive clamps set up in same one side, and electrochromic component part outward flange exposes outside the shell, has further increased the field of vision scope of sunshading board.
The utility model discloses an electrochromic car sun visor board, the electricity connection dependable performance, electrochromic medium discolours or the response speed that fades is fast, has greatly improved navigating mate's driving and has experienced.
Drawings
Embodiments of the invention will now be described, by way of example only, with reference to the accompanying drawings, in which like features or components are designated by like reference numerals and which are not necessarily drawn to scale, and in which:
fig. 1 is a schematic structural diagram of an electrochromic device according to the present invention.
Fig. 2 is a sectional view taken along a-a in fig. 1.
Fig. 3 is a sectional view taken in the direction B-B in fig. 1.
Fig. 4 is a cross-sectional view of the sun visor for a vehicle of the present invention.
Fig. 5 is a schematic structural view of the sun visor for a vehicle according to the present invention.
The electrochromic device comprises a first substrate 1, a second substrate 2, a sealing material 3, an electric connector 4, a cavity 5, an electrochromic medium 6, a shell 7, a photosensitive sensor 8, an adjusting button 9, a power interface 10, mounting holes (21a, 21b), a first conductive clip 41, a second conductive clip 42, conductive paste (43, 44), a first transparent conductive layer 101, an outer edge exposed part 102, a second transparent conductive layer 201, an electric isolation area 202, a shielding layer 203 and an inner edge 701.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Examples
As shown in fig. 1 to 5, the electrochromic automobile sun visor of the present embodiment includes:
a housing 7, the outer peripheral edge of the housing 7 is arranged around the electrochromic element, the inner edge 701 of the housing extends towards the center of the electrochromic element and covers the sealing material 3 and the electric connector 4, so that the sun visor has attractive appearance, and simultaneously, the problems of aging, failure and the like of the sealing material 3 after being radiated by ultraviolet rays, infrared rays and other rays are avoided; the electrical connector 4 comprises a first conductive clip 41 and a second conductive clip 42;
an electrochromic element disposed within the housing 7 with at least a portion of an outer edge exposed outside of the housing 7, the element comprising:
the first optically transparent conductive substrate comprises a first base body 1 and a first transparent conductive layer 101, wherein the first transparent conductive layer 101 is arranged on the rear surface of the first base body 1;
a second optically transparent conductive substrate comprising a second base body 2 and a second transparent conductive layer 201, the second transparent conductive layer 201 being provided on the front surface of the second base body 2, the first conductive substrate and the second conductive substrate being arranged in a spaced-apart relationship, the first conductive substrate having a peripheral edge of at least a partial region along the length direction thereof located inside the peripheral edge of the second conductive substrate;
in at least one embodiment, the first substrate 1 and the second substrate 2 can be independently selected from one of optically substantially transparent glass, organic resin or ceramic, preferably glass;
a sealing material 3 disposed substantially circumferentially between the outer peripheral regions of the first and second conductive substrates to sealingly bond the rear surface of the first base body 1 and the front surface of the second base body 2 to each other and define a cavity 5; and
an electrochromic medium 6 disposed in the cavity 5;
the second conductive substrate is connected with a first conductive clip 41 and a second conductive clip 42 along the peripheral area of the second conductive substrate in the length direction, and the first conductive clip 41 and the second conductive clip 42 are arranged on the same side of the second conductive substrate in the length direction.
In at least one embodiment, an adjustment button 9 is also disposed within the housing 7, the adjustment button 9 establishing an electrical connection with a circuit board (not shown). The adjustment button 9 can make the electrochromic medium 6 present different color shades and different optical properties such as transmittance and reflectivity by adjusting the voltage applied to the electrochromic element. Through the control of the manual adjusting button 9, the sun visor can keep the most comfortable state of a driver under different light intensity conditions.
In at least one embodiment, at least a portion of the peripheral region of the electrochromic element is provided with a masking layer 203, the masking layer 203 corresponding to the outer edge exposed portion 102 of the electrochromic element, the masking layer 203 being disposed on at least one of the first or second conductive substrates. The shielding layer 203 is used to shield the sealing material 3, and preferably, the shielding layer 203 is reflective. The shielding layer 203 is made of one or more alloy materials of Al, Ag, Cr, Cu, Ir, Ni, Ti, Pb, Pt, Ru and Rh; the shielding layer 203 is also an ink layer.
In at least one embodiment, the first transparent conductive layer 101 and the second transparent conductive layer 201 may independently adopt indium-doped tin oxide (ITO), fluorine-doped tin oxide (FTO), aluminum-doped zinc oxide (AZO), gallium-doped zinc oxide (GZO), or a composite film structure (IMI) composed of metal oxide/metal oxide, wherein the metal oxide may adopt at least one of ITO, FTO, AZO, and GZO, and the metal is one or more alloy materials of Al, Ag, Cu, Ir, Ni, Ti, Pb, Pt, Ru, and Rh.
In at least one embodiment, the sealing material 3 may be selected from at least one of epoxy resin, acrylic resin, silicone resin, and preferably an epoxy-based sealing material 3.
In at least one embodiment, the conductive paste (43, 44) may be selected from a conductive silver paste, a conductive ink, or other conductive material, preferably a conductive silver paste.
In one embodiment, the outer edge exposed portion 102 is a rounded smooth transition. Preferably, the rounded corner radius of the smooth transition portion is greater than 2.5 mm.
The first conductive clip 41 and the second conductive clip 42 are both located on the same side of the mounting hole, and the first conductive clip 41 and the second conductive clip 42 are respectively electrically connected with the first conductive base material and the second conductive base material through conductive paste. The first conductive clip 41 and the second conductive clip 42 can realize that the circuit board establishes a stable and reliable electrical connection relationship with the first transparent conductive layer 101 on the first conductive substrate and the second transparent conductive layer 201 on the second conductive substrate, respectively, so as to realize the coloring and fading response of the electrochromic medium 6 under the action of an electric field, and the use of the conductive paste (43, 44) further improves the quick response speed of the electrochromic medium 6.
The second conductive substrate is close to the outer peripheral region of the first conductive clip 41, and an electrical isolation region 202 is etched on the second transparent conductive layer 201 to prevent the short circuit problem between the second conductive substrate and the first conductive substrate.
In one embodiment, the second conductive substrate is provided with at least two mounting holes (21a, 21b) along the length direction near the peripheral region, and the mounting holes (21a, 21b) are positioned on the same side of the second conductive substrate along the length direction. Mounting holes (21a, 21b) are directly formed in the second conductive base body, the sun visor is connected to the rotating shaft through the mounting holes (21a, 21b), and the connecting mode can be set according to the actual situation in the field.
In one embodiment, a photosensitive sensor 8 and a circuit board are further arranged in the housing 7, the photosensitive sensor 8 faces the outside of the vehicle when in the working state, and the photosensitive sensor 8 is electrically connected with the circuit board. The photosensitive sensor 8 receives strong light from the outside of the vehicle, applies the voltage of the electrochromic element through signal conversion of the circuit board, and further realizes the dimming and anti-dazzle functions of the sun visor. The electrical connection of the circuit board realizes the access of an external power supply through the power interface 10.
The sun shield of the utility model turns over towards the roof when not in use, turns over towards the windshield when in use, and by applying voltage to the electrochromic element, the electrochromic element substrate is in a coloring state when being powered on positively to play an anti-dazzle role, and is in a fading state when being powered off or being powered on reversely to be represented as a conventional glass element; meanwhile, due to the optical transparent property of the base material, the sun shield has a perspective effect, and the visual field range in front of a driver is enlarged.
It can be seen that the present invention provides considerable advantages over the currently available technologies. The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention.
Claims (7)
1. An electrochromic automotive sun visor, characterized in that it comprises:
a housing;
an electrochromic element disposed within the housing with at least a portion of an outer edge exposed outside of the housing, the element comprising:
the optical transparent first conductive substrate comprises a first base body and a first transparent conductive layer, wherein the first transparent conductive layer is arranged on the rear surface of the first base body;
a second optically transparent conductive substrate including a second base body and a second transparent conductive layer provided on a front surface of the second base body, the first conductive substrate and the second conductive substrate being arranged in a spaced-apart relationship, a peripheral edge of at least a partial region of the first conductive substrate in a length direction thereof being located inside a peripheral edge of the second conductive substrate;
a sealing material disposed substantially circumferentially between the outer peripheral regions of the first and second conductive substrates to sealingly bond the rear surface of the first base and the front surface of the second base to each other and define a cavity; and
an electrochromic medium disposed in the cavity;
the second conductive substrate is connected with a first conductive clamp and a second conductive clamp along the peripheral area of the second conductive substrate in the length direction, and the first conductive clamp and the second conductive clamp are arranged on the same side of the second conductive substrate in the length direction.
2. The electrochromic automotive sun visor of claim 1 wherein at least a portion of the peripheral region of the electrochromic element is provided with a shield layer disposed on at least one of the first or second conductive substrates.
3. The electrochromic automotive sun visor of claim 1 wherein the outer edge exposed portion is a smooth transition portion after a round corner treatment.
4. The electrochromic automotive sun visor of claim 1 wherein an adjustment button is disposed within the housing, the adjustment button being in electrical connection with the circuit board.
5. The electrochromic automotive sun visor of claim 1 wherein the first and second conductive clips are located on the same side of the mounting hole, the first and second conductive clips establishing electrical connection with the first and second conductive substrates, respectively, via conductive paste.
6. The electrochromic automotive sun visor of claim 1 wherein the second conductive substrate has at least two mounting holes along its length adjacent to the peripheral region, the mounting holes being located on the same side of the second conductive substrate along its length.
7. The electrochromic automotive sun visor of claim 1 wherein a photosensor and a circuit board are further disposed within the housing, the photosensor facing outwardly of the vehicle in an operative state, the photosensor in electrical connection with the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022116108.0U CN213383824U (en) | 2020-09-24 | 2020-09-24 | Electrochromic automobile sun shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022116108.0U CN213383824U (en) | 2020-09-24 | 2020-09-24 | Electrochromic automobile sun shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213383824U true CN213383824U (en) | 2021-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022116108.0U Active CN213383824U (en) | 2020-09-24 | 2020-09-24 | Electrochromic automobile sun shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213383824U (en) |
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2020
- 2020-09-24 CN CN202022116108.0U patent/CN213383824U/en active Active
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