CN109941196A - A shell, rearview mirror and automobile - Google Patents

Abstract

The embodiment provides a kind of shell, rearview mirror and automobiles, belong to technical field of automobile accessories.Shell is used for rearview mirror, and rearview mirror includes screen, and shell includes ontology and Fresnel Lenses interconnected, for ontology for connecting with screen, the side of Fresnel Lenses is planar portions, and the other side of Fresnel Lenses is texture portion, texture portion is towards screen, so that the light that screen issues penetrates planar portions.Shell can be transmitted the light on screen by Fresnel Lenses, so that the image on screen can be presented after amplification, so that being conducive to driver observes the details that rearview mirror is shown, the safety of driving is improved, this is reasonable in design, practical.Rearview mirror includes shell mentioned above, the repertoire with the shell.Automobile includes shell or rearview mirror mentioned above, the repertoire with the shell or rearview mirror.

Description

A shell, rearview mirror and automobile

technical field

The invention relates to the technical field of auto parts, in particular to a casing, a rearview mirror and an automobile.

Background technique

With the development of automotive hardware equipment, in order to expand the driver's rear vision and improve driving safety, streaming media vehicles came into being. The combination of screen and camera allows the driver to observe the real-time image of the car behind the car. However, the current streaming media car has a small display range due to its own structural limitations.

During the research, the inventor found that the existing related technologies have at least the following shortcomings:

The display range is small.

SUMMARY OF THE INVENTION

The present invention provides a casing to improve the deficiencies of the prior art, which can transmit the light on the screen through the Fresnel lens, so that the image on the screen can be magnified and presented, so as to facilitate the driver to observe The details displayed by the rear-view mirror improve driving safety. The structure is reasonably designed and has strong practicability.

The present invention also provides a rear-view mirror comprising the above-mentioned housing, which has all the functions of the housing.

The present invention provides an automobile comprising the above-mentioned housing or rear-view mirror, which has all the functions of the housing or rear-view mirror.

Embodiments of the present invention can be implemented as follows:

Embodiments of the present invention provide a housing for a rear view mirror including a screen, the housing including an interconnected body and a Fresnel lens, the body for connecting with the screen connection, one side of the Fresnel lens is a plane part, and the other side of the Fresnel lens is a texture part, and the texture part faces the screen, so that the light emitted by the screen can pass through the plane part.

Specifically, the rearview mirror can transmit the light on the screen through the Fresnel lens, so that the image on the screen can be displayed after magnification, so as to facilitate the driver to observe the details displayed by the rearview mirror and improve the driving experience. Safety, the structure is reasonably designed and has strong practicability.

Optionally, the body is a frame structure, and the casing has a groove with an open side formed with the body as a side wall and the Fresnel lens as a bottom wall.

Optionally, the center line of the center circle of the Fresnel lens coincides with the center line of the frame structure of the body.

Optionally, a step portion is provided on the body, and the step portion is used for clamping the screen into the body.

Optionally, the junction of two adjacent side walls of the frame structure is chamfered and transitioned.

An embodiment of the present invention also provides a rearview mirror, which includes a rear cover, a screen and the above-mentioned housing, which has all the functions of the rearview mirror, and the rear cover and the body are far away from the One side of the Neil lens is connected, an installation space is formed between the back cover and the housing, the screen is connected to the body, and the screen is located in the installation space.

Optionally, a gap is left between the screen and the textured portion.

Optionally, the side of the body away from the Fresnel lens is provided with a protrusion, and the protrusion is provided along the edge of the body, and the edge of the side of the back cover close to the body is provided with a protrusion. a groove, and the protrusion cooperates with the groove to fix the main body and the back cover.

Optionally, the end of the protrusion and the bottom of the groove are fixed by ultrasonic welding.

Optionally, the rearview mirror further includes a circuit board, a bracket and a concave hook, the circuit board is connected to the bracket, and the bracket is away from the Fresnel lens from the screen through the concave hook side connection.

Optionally, the rear-view mirror further includes a sensor disposed on the body, the sensor communicates with the circuit board, the circuit board communicates with the screen, and the sensor is used to output an indication of driving A signal of the operator's eye position, and the circuit board is used to control the screen according to the signal.

Optionally, the rearview mirror further includes a display glass, and the display glass is connected to a side of the body close to the Fresnel lens.

The present invention provides an automobile comprising the above-mentioned housing or rear-view mirror, which has all the functions of the housing or rear-view mirror.

Compared with the prior art, the beneficial effects of the embodiments of the present invention include, for example:

The casing is provided with a body and a Fresnel lens, and the body is used to connect the screen, so that the screen and the Fresnel lens are relatively fixed, so that the light emitted from the screen can be refracted by the Fresnel lens and then penetrate the plane part , due to the refraction of the light by the Fresnel lens, the figure revealed by the plane part will be enlarged, so that the displayed image of the rearview mirror can be enlarged to be displayed on all the display surfaces of the rearview mirror, thereby improving the driver's safety. The observation experience can clearly observe the environment around the car body; and the Fresnel lens can properly correct the deformation of the edge of the image captured by the camera. After processing with the processor of the rearview mirror, the image displayed by the rearview mirror Can avoid deformation, distortion and other phenomena.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore do not It should be regarded as a limitation of the scope, and for those of ordinary skill in the art, other related drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic structural diagram of a housing provided by an embodiment of the present invention;

2 is a cross-sectional view of a rearview mirror provided by an embodiment of the present invention;

Fig. 3 is the partial enlarged view of I place shown in Fig. 2;

4 is a schematic structural diagram of a rearview mirror provided by an embodiment of the present invention;

5 is a schematic structural diagram of a rearview mirror provided in an embodiment of the present invention from an exploded viewing angle;

Fig. 6 is the front sectional structure schematic diagram of the rearview mirror shown in Fig. 5;

Fig. 7 is the partial enlarged view of II place shown in Fig. 6;

FIG. 8 is a partial enlarged view of III shown in FIG. 6 , wherein the main body and the rear cover are in a state to be matched;

FIG. 9 is a partial enlarged view of part III shown in FIG. 6 , wherein the main body and the back cover are in a state after ultrasonic welding.

Icon: 100-rearview mirror; 10-shell; 11-body; 112-chamfer; 113-convex; 12-Fresnel lens; 121-flat part; 122-texture part; 20-screen; 30- Back cover; 31- groove; 40- circuit board; 50- bracket; 60- concave hook; 70- display glass.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Thus, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship, the Based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the product of the invention is usually placed in use, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must be It has a specific orientation, is constructed and operates in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arranged", "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed The connection can also be 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, and it can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Referring to FIGS. 1-3 , this embodiment provides a housing 10 for a rearview mirror 100 (shown in FIG. 4 ). The rearview mirror 100 includes a screen 20 (shown in FIG. 4 ), and the housing 10 includes a body 11 and a Fresnel lens 12 that are connected to each other, the body 11 is used to connect with the screen 20, one side of the Fresnel lens 12 is a plane portion 121, and the other side of the Fresnel lens 12 is a textured portion 122, The textured part 122 faces the screen 20 so that the light emitted by the screen 20 can pass through the flat part 121 .

It should be noted here that one side of the Fresnel lens 12 is a smooth surface, and the other side is engraved with small to large concentric circles, and the concentric circles are designed according to light interference, interference radiation, relative sensitivity and receiving angle requirements. In this embodiment, after the light emitted by the screen 20 is transmitted through the Fresnel lens 12, the original light path can be changed, so that the light can be projected onto the surface to be imaged, so that the image displayed on the screen 20 can be enlarged and projected to the entire The surface that needs to be imaged avoids that the image is only displayed in the partial area of the surface to be imaged, so that the final imaging area of the rearview mirror 100 is greatly improved, so that the driver can observe the real-time display on the rearview mirror 100 through a wide field of vision The image of the environment around the vehicle body can improve the driving experience.

It can be understood that, in this embodiment, the texture portion 122 of the Fresnel lens 12 is disposed toward the screen 20, so that the image on the screen 20 is enlarged and imaged onto the surface to be imaged through the Fresnel lens 12. The imaged surface includes the imaging surface of the rear view mirror 100 or is directly imaged on the plane portion 121 of the Fresnel lens 12 .

Specifically, the rearview mirror 100 can transmit the light on the screen 20 through the Fresnel lens 12 , so that the image on the screen 20 can be displayed after being magnified, so as to facilitate the driver to observe the image displayed on the rearview mirror 100 Details, improve driving safety, the structure design is reasonable, strong practicability.

Please refer to FIG. 1 and FIG. 2 , the body 11 is a frame structure, and the casing 10 has a groove with the body 11 as the side wall and the Fresnel lens 12 as the bottom wall and an opening on one side is formed.

The center line of the center circle of the Fresnel lens 12 coincides with the center line of the frame structure of the body 11 .

The body 11 may also be provided with a step portion (not shown in the figure), and the step portion is used to clamp the screen 20 in the body 11 so that the screen 20 is fixed and not easily deformed.

It should be noted here that, in this embodiment, the Fresnel lens 12 and the housing 10 are integrally connected, and after the screen 20 and the housing 10 are connected, the position between the Fresnel lens 12 and the screen 20 is relatively fixed, so that the The distance between the screen 20 and the Fresnel lens 12 can be adjusted according to the parameters of the light refraction of the Fresnel lens 12 , so that the Fresnel lens 12 can satisfy the magnified display of the image on the screen 20 to the entire rearview mirror 100 . on the imaged surface.

It can be understood that the difference in the shape design of the rearview mirror 100 causes the body 11 to have different shapes. In this embodiment, the frame structure of the main body 11 is a quadrilateral frame structure, and the heights of the frame structures are equal. Specifically, the frame structure of the main body 11 can also be a circle, a polygon, an irregular figure, etc., and the height of the frame structure can also be different.

It should also be noted that, in this embodiment, the center circle of the Fresnel lens 12 is located at the center of the frame structure, so that the Fresnel lens 12 can correct the fisheye effect of the image captured by the camera to a certain extent, and can It is convenient for the circuit board 40 (shown in FIG. 5 ) to process the image issued, and the complicated algorithm caused by the mismatch between the centers of the two is avoided. Of course, the images need to be transmitted at different angles according to different observation conditions, so the positions of the center circle of the center circle of the Fresnel lens 12 and the center line of the body 11 can be relatively adjusted during specific implementation.

In this embodiment, the body 11 and the Fresnel lens 12 form a groove with an opening on one side, and the Fresnel lens 12 is used to close one side of the body 11 , and the screen 20 is connected to the body 11 to make the other side of the body 11 . opening is closed. It can be understood that the distance between the screen 20 and the Fresnel lens 12 is set according to the parameters of the light refraction of the Fresnel lens 12 , so that the image on the screen 20 can be enlarged and displayed through the Fresnel lens 12 and presented in all areas. The rearview mirror 100 has an imaging surface on it. It can be understood that, according to the specific implementation, the environmental body 11 can also be a groove-shaped structure with openings corresponding to the Fresnel lens 12 , and the body 11 can also be used for connecting the Fresnel lens 12 and the screen 20 . connectors, etc.

Referring to FIG. 1 and FIG. 2 , the chamfer 112 transitions at the connection between two adjacent side walls of the frame structure.

It should be noted that, in this embodiment, the chamfered corners 112 of the frame structure are rounded corners. Besides, the chamfer 112 of the frame structure may also be an equilateral chamfer 112, an unequal chamfer 112, and the like. In this embodiment, the inner wall and the outer wall of the main body 11 are both chamfered 112 transition, so that the main body 11 is a frame-shaped structure with equal wall widths.

The embodiment of the present invention also provides a rear view mirror 100 , which includes a rear cover 30 , a screen 20 and the above-mentioned housing 10 , which has all the functions of the rear view mirror 100 , and the rear cover 30 is far away from the main body 11 . One side of the Fresnel lens 12 is connected, and an installation space is formed between the rear cover 30 and the housing 10 , the screen 20 is connected to the body 11 , and the screen 20 is located in the installation space.

It should be noted here that, in this embodiment, the installation space formed after the rear cover 30 is connected to the housing 10 is used for installing the screen 20 and other components.

Referring to FIG. 6 and FIG. 7 , there is a gap between the screen 20 and the texture portion 122 .

It should be noted that, referring to FIGS. 1 to 3 , there is a gap between the screen 20 and the texture part 122 , so that the pattern on the screen 20 is projected onto the texture part 122 , and A of the image displayed on the screen 20 passes through the Fresnel lens 12 is refracted and reflected on A' on the surface to be imaged, so that the image can be displayed on the edge of the surface to be imaged, thereby realizing full-screen 20 display of the display image of the rearview mirror 100 . Of course, due to the difference in the annular structure of the Fresnel lens 12 , the distance of the refraction path of the image closer to the center of the screen 20 is shorter, and the point B of the image displayed on the screen 20 is refracted by the Fresnel lens 12 and then transparent. out and imaged to B' on performance. In this way, the Fresnel lens 12 can correct the image distortion caused by the camera to a certain degree, so that the image observed by the driver is the same as the image of the actual environment, thereby avoiding accidents caused by judgment errors.

Please refer to FIG. 3 and FIG. 6 to FIG. 9 , the side of the body 11 away from the Fresnel lens 12 is provided with a protrusion 113 , and the protrusion 113 is provided along the edge of the body 11 , and the back cover 30 is close to the edge of the side of the body 11 . A groove 31 is provided, and the protrusion 113 cooperates with the groove 31 to fix the main body 11 and the back cover 30 .

The ends of the protrusions 113 and the groove bottoms of the grooves 31 are fixed by ultrasonic welding.

It should be noted here that the protrusions 113 provided on the main body 11 cooperate with the grooves 31 provided on the rear cover 30. By using ultrasonic welding, the protrusions 113 and the grooves 31 can be closely matched, thereby improving the three-proof performance of the rearview mirror 100 . Besides, the main body 11 and the back cover 30 can also be connected by means of snap-fit, bolt connection, or the like.

It can be understood that, in order to prevent the protrusions 113 and the back cover 30 after ultrasonic welding from overflowing the material and affecting the appearance, in this embodiment, the protrusions 113 and the back cover 30 are both provided with material break strips arranged at intervals, so that the ultrasonic wave No spillage of material occurs after welding.

Please refer to FIG. 5 , the rearview mirror 100 further includes a circuit board 40 , a bracket 50 and a concave hook 60 , the circuit board 40 is connected with the bracket 50 , and the bracket 50 is connected to the side of the screen 20 away from the Fresnel lens 12 through the concave hook 60 connect.

It should be noted here that, in this embodiment, the bracket 50 is used to fix the circuit board 40. By connecting one end of the concave hook 60 in the shape of a "concave" to the end of the bracket 50 close to the screen 20, the concave hook 60 is connected to the screen 20. The other end of the hook 60 is connected to the side of the screen 20 away from the Fresnel lens 12, and is clamped with the housing 10 through the bracket 50, so that the screen 20 can be stably arranged in the housing 10, so as to avoid loosening and the like. shaking. In addition, the bracket 50 and the screen 20 may also be connected by means of screws, bonding, or the like.

The rearview mirror 100 further includes a sensor (not shown in the figure) disposed on the body 11, the sensor communicates with the circuit board 40, the circuit board 40 communicates with the screen 20, and the sensor is used for outputting a signal representing the position of the driver's eyes, The circuit board 40 is used to control the screen 20 according to the signal.

It should be noted here that when the driver looks up and observes the image in the rearview mirror 100, the sensor senses the driver's eyes and outputs a signal representing the position of the driver's eyes to the circuit board 40. The circuit board 40 recognizes the signal by identifying the signal. The image transmitted to the screen 20 is analyzed and controlled, so that the image on the screen 20 conforms to the viewing angle of the driver's current eye position, and is transmitted through the Fresnel lens 12, so that the driver can observe the surrounding vehicles from a good angle of view. environment, to avoid unclear observation due to the inclination with the screen 20 . In addition to adjusting the imaging angle of the image through the circuit board 40, a good imaging angle of view can also be achieved by adjusting the angle of the entire rearview mirror 100 by using a motor or the like.

Referring to FIGS. 4-7 , the rearview mirror 100 further includes a display glass 70 , and the display glass 70 is connected to the side of the body 11 close to the Fresnel lens 12 .

It should be noted here that the rearview mirror 100 projects the graphics displayed on the screen 20 onto the display glass 70 , so that the imaging effect is good, the light transmittance is good, and the picture quality is improved. In addition, by using the display glass 70 with the filter effect on one side, when the screen 20 is closed or damaged, the display glass 70 can also realize the observation of the environment behind the vehicle through natural light refraction.

In this embodiment, the display glass 70 is directly bonded to the plane portion 121 through an annular adhesive layer. It is particularly noted that the width of the adhesive layer cannot affect the light transmitted by the screen 20 through the Fresnel lens 12 , so as to avoid affecting the display of the image output by the screen 20 in the entire range of the display glass 70 .

The present invention provides an automobile including the above-mentioned housing 10 or rearview mirror 100 , which has all the functions of the housing 10 or rearview mirror 100 .

It should be noted that the above-mentioned housing 10 or the rear view mirror 100 is used for observing the rear view mirror 100 directly behind the vehicle. Besides, the above-mentioned housing 10 or rearview mirror 100 can also be used for the use of the side rearview mirrors 100 on the left and right sides of the vehicle.

To sum up, the present invention provides a rearview mirror 100, which can transmit light on the screen 20 through the Fresnel lens 12, so that the image on the screen 20 can be displayed after being enlarged, Therefore, it is beneficial for the driver to observe the details displayed by the rear-view mirror 100, and the driving safety is improved. The structure design is reasonable and the practicability is strong.

It should be noted that the features in the embodiments of the present invention may be combined with each other without conflict.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical scope disclosed by the present invention can easily think of changes or substitutions. All should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (10)

1. a kind of shell is used for rearview mirror, the rearview mirror includes screen, which is characterized in that the shell includes being connected with each other Ontology and Fresnel Lenses, for the ontology for connect with the screen, the side of the Fresnel Lenses is planar portions, institute The other side for stating Fresnel Lenses is texture portion, and the texture portion is towards the screen, so that the light that the screen issues penetrates The planar portions.

2. shell according to claim 1, which is characterized in that the ontology is mount structure, and the shell has with described Ontology is side wall and the slot of a side opening formed by bottom wall of the Fresnel Lenses.

3. shell according to claim 2, which is characterized in that the center line of the center circle of the Fresnel Lenses with it is described The position of center line of the mount structure of ontology is overlapped.

4. shell according to claim 2, which is characterized in that fall the junction of the adjacent two side walls of the mount structure Angle transition.

5. a kind of rearview mirror, which is characterized in that including rear cover, screen and the described in any item shells of claim 1-4, after described Lid is connect with the ontology far from the side of the Fresnel Lenses, and it is empty that installation is formed between the rear cover and the shell Between, the screen is connect with the ontology, and the screen is located in the installation space.

6. rearview mirror according to claim 5, which is characterized in that there are gaps between the screen and the texture portion.

7. rearview mirror according to claim 5, which is characterized in that the ontology is set far from the side of the Fresnel Lenses It is equipped with protrusion, and the protrusion is arranged along the edge of the ontology, the rear cover is arranged close to the edge of the side of the ontology Fluted, the protrusion cooperates with the groove so that the ontology and the rear cover are fixed.

8. rearview mirror according to claim 5, which is characterized in that the rearview mirror further includes circuit board, bracket and spill Hook, the circuit board are connect with the bracket, and the bracket is saturating far from the Fresnel with the screen by the spill hook The side of mirror connects.

9. rearview mirror according to claim 8, which is characterized in that the rearview mirror further includes being arranged on the body Inductor, the inductor and the circuit board communications, the circuit board are communicated with the screen, and the inductor is for exporting The signal of driver eye positions is characterized, the circuit board is used to control the screen according to the signal.

10. a kind of automobile, which is characterized in that including any one of the described in any item shells of claim 1-4 or claim 5-9 The rearview mirror.