CN101486334B

CN101486334B - Four-curved surface rearview mirror lens

Info

Publication number: CN101486334B
Application number: CN2008100327836A
Authority: CN
Inventors: 孙瑶璋
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-17
Filing date: 2008-01-17
Publication date: 2010-11-03
Anticipated expiration: 2028-01-17
Also published as: CN101486334A

Abstract

The invention discloses a quartic surface rearview mirror lens, which is arranged at the two sides of the head of the vehicle. The lens comprises a primary external rearview area which is close to the head side of the vehicle, a wide-angle external rearview area which corresponds to the primary external rearview area and is positioned at the other side of the lens, a primary external rear wide view area which is positioned between the primary external rearview area and the wide-angle external rearview area and a blind-compensating rearview area which is positioned at the lower part of the lens. The quartic surface rearview mirror lens has no blind area, with wider visual field, real and clear sense of distance, stable and clear of dynamic imaging and low reflectivity, and replaces three lenses with one lens, therefore, a driver can avoid traffic accidents caused by blind areas of the visual field, thus greatly improving the safety feeling of driving.

Description

Four-curved surface rearview mirror lens

Technical field

The present invention relates to automobile rearview mirror, particularly four-curved surface rearview mirror lens.

Background technology

At present, there is the blind area to some extent in internal and international Shanghai Automobile Factory vehicle rear-view mirror, visual field width deficiency, and the blind area of headstock parallel lines to the front-wheel can't solve.

Generally adopt and on the same support in the right side of automobile, install " wide-angle outside rear-view mirror " and " mending blind outside rear-view mirror " additional, solve the part of visual field width and blind area deficiency.Referring to Fig. 1 a～Fig. 1 c, wherein, Fig. 1 a is the result of use scheme drawing of existing automobile master outside rear-view mirror; Fig. 1 b is the result of use scheme drawing of existing automobile wide-angle outside rear-view mirror 40; Fig. 1 c mends the result of use scheme drawing of blind back mirror 50 for existing automobile;

As shown in Figure 1a, left and right sides outside rear-view mirror 10,10 ' lays respectively at automobile 20 headstock both sides, and the eyespot 30 of chaufeur is positioned at automobile 20 headstocks left side; Dash area is the chaufeur viewing area.

Fig. 1 c is depicted as existing automobile and mends the scheme drawing in the ground level visual field 60 in the blind back mirror 50.

The eyeglass of three back mirrors adorning on the above-mentioned support is plane mirror or sphere convex lens, and there is certain limitation in the visual field, and each back mirror can only be according to looking a direction.

Particularly, though three back mirrors have solved the backsight blind area, chaufeur is being turned, lane change, and when overtaking other vehicles or being overtaken other vehicles, a pair of eyes can not be seen three points (i.e. three mirrors) simultaneously, therefore, exist the hidden danger that influences traffic safety all the time.

At present, because dead angle (blind area) traffic accident that the back mirror defective causes reaches 30% in China, the U.S. accounts for 20%, and Europe accounts for 35%, and express highway will reach 70%.

Summary of the invention

The objective of the invention is to design a kind of four-curved surface rearview mirror lens, have more wide, the non-blind area in the visual field, distance perspective is truly clear, dynamic imaging is stablized limpid, reflectivity is low, and the driver can avoid the traffic accident that causes because of blind area fully, greatly strengthens the traffic safety sense.

For achieving the above object, technical solution of the present invention is,

Four-curved surface rearview mirror lens is installed on the vehicle headstock both sides; It comprises the master outer back vision area of eyeglass near the vehicle headstock side; Be positioned at the outer back of the wide-angle vision area of eyeglass opposite side with respect to the outer backsight district of described master; Wide vision area after outside the master after main outer back vision area is outer with wide-angle between the vision area; And the blind back of the benefit that is positioned at eyeglass bottom vision area; These four vision areas are curved surface.

Further, the wide vision area in the outer back of described eyeglass master also comprises described eyeglass master outside back vision area and the wide vision area in the second main outer back between the vision area of the blind back of the benefit of eyeglass bottom, this second main outside after extensively vision area be curved surface.

The outer backsight sector width of described master accounts for 1/2～2/3 of eyeglass width, and length is 1/2～4/5 of eyeglass length, curvature R1200～2200mm.

The outer backsight sector width of described wide-angle accounts for 1/5～1/3 of eyeglass width, and length is 4/5～1 of eyeglass length, curvature R95～165mm.

The blind backsight sector width of described benefit accounts for 2/3～1 of eyeglass width, and length is 1/5～1/3 of eyeglass length, curvature R95～165mm.

The wide vision area width in the outer back of described master accounts for 1/10～3/20 of eyeglass width, and length is 3/4～4/5 of eyeglass length, curvature R950～1950mm.

The wide vision area width in the described second main outer back accounts for 2/3～4/5 of eyeglass width, and length is 1/20～3/20 of eyeglass length, curvature R950～1950mm.

Curvature R0～70mm that described eyeglass is four jiaos.

Four-curved surface rearview mirror lens of the present invention is made with the thick glass of 2～3mm, and the surface adopts the vacuum coating mode to be coated with aluminium or nickel chromium triangle metallic membrane and the outer protective paint of metallic membrane.

Beneficial effect of the present invention

Four-curved surface rearview mirror lens of the present invention has more wide, the non-blind area in the visual field, and distance perspective is truly clear, and dynamic imaging is stablized limpid, at the bottom of the reflectivity, one mirror replaces three mirrors, and this can be avoided the traffic accident that causes because of blind area for steerman fully, greatly strengthens the traffic safety sense;

The four-curved surface rearview mirror quality loop meets the GB15084-2006 national standard;

Rear-vision mirror face reflectivity of the present invention reaches 80% (industry standards＞40%);

Back mirror of the present invention replaces three mirrors with a mirror, has solved the requirement of wide-angle view and benefit blind area, saves raw MAT'L.

Back mirror of the present invention is applicable to various vehicles such as utility van, motorcoach, freight, special purpose vehicle.

Description of drawings

Fig. 1 a is the result of use scheme drawing of existing automobile master outside rear-view mirror;

Fig. 1 b is the result of use scheme drawing of existing automobile wide-angle outside rear-view mirror;

Fig. 1 c mends the result of use scheme drawing of blind back mirror for existing automobile;

Fig. 2 is the structural representation of one embodiment of the invention;

Fig. 3 is perspective view of an embodiment of the present invention;

Fig. 4 is the result of use scheme drawing of one embodiment of the invention.

The specific embodiment

Referring to Fig. 2, Fig. 3, four-curved surface rearview mirror lens 1 of the present invention is installed on vehicle headstock 2 both sides; It comprises the master outer back vision area 11 of eyeglass 1 near vehicle headstock 2 sides; Be positioned at the outer back of the wide-angle vision area 12 of eyeglass 1 opposite side with respect to the outer back of described master vision area 11; Wide vision area 13 after outside the master after main outer back vision area 11 is outer with wide-angle between the vision area 12; And the blind back of the benefit that is positioned at eyeglass 1 bottom vision area 14; These four vision areas are curved surface.

Wide vision area 13 ' after extensively looking 13 districts after described eyeglass master is outer and also comprising outside described eyeglass 1 main outer back vision area 11 and second master between the vision area 14 of the blind back of the benefit of eyeglass 1 bottom, its width accounts for 2/3～4/5 of eyeglass 1 width, length is 1/20～3/20 of eyeglass 1 length, curvature R950～1950mm.

The outer back of described master vision area 11 width account for 1/2～2/3 of eyeglass 1 width, and length is 1/2～4/5 of eyeglass 1 length, curvature R1200～2200mm.

The outer back of described wide-angle vision area 12 width account for 1/5～1/3 of eyeglass 1 width, and length is 4/5～1 of eyeglass 1 length, curvature R95～165mm.

The blind back of described benefit vision area 14 width account for 2/3～1 of eyeglass 1 width, and length is 1/5～1/3 of eyeglass 1 length, curvature R95～165mm.

Wide vision area 13 width in the outer back of described master account for 1/10～3/20 of eyeglass 1 width, and length is 3/4～4/5 of eyeglass 1 length, curvature R950～1950mm.

Curvature R0～70mm that described eyeglass is four jiaos.

Referring to Fig. 4, the eyespot 3 of chaufeur can be seen one section wide parallel live width of vehicle 2 headstocks to go out 0.8m to extend to 1.5m * 1.5m wide on horizontal road by four-curved surface rearview mirror lens 1 of the present invention, the shape oblique line radiation at 45 visual field 4, after just from the headstock to the car, eyespot 3 can see that 50～60m is far away, width from headstock parallel lines width 0.8m to 1.5m when wide with 45 ° of stepped width radiation, eyespot can see that 30～40m is wide like this, about, solved wide-angle view and the requirement of mending the blind area.

Below in conjunction with Fig. 1 a～Fig. 1 c and Fig. 4, four-curved surface rearview mirror of the present invention and existing back mirror result of use are done one relatively:

As Fig. 1 a, shown in Figure 4, see backward that from original back mirror 10,10 ' visual field width that 30m sees is 3.5m;

It is wide that the present invention sees backward that from back mirror 1 the visual field 4 width that 30m can see can reach 30m, enlarged 7.5 times than the visual field width of existing back mirror.

See backward that from original back mirror 30m can see that just width is the visual field 60 of 3.5m;

See backward that from back mirror 1 of the present invention 3.5m just can see that width is the visual field 4 of 3.5m, 7.5 times of contraction in lengths.

Eyespot 30 from original back mirror from chaufeur sees that backward 4m just can see the visual field that 0.75m is wide;

Back mirror of the present invention can be seen the visual field that 0.8m is wide vertically downward from chaufeur eyespot 3, shortens 4m, eliminate from back mirror backward 30m with interior blind area.

Referring to Fig. 1 b, original back mirror wide-angle outside rear-view mirror 40 can only see that the width of 25m is the visual field 60 of 12.5m behind chaufeur eyespot 30;

It is long that the visual field that back mirror of the present invention is seen is not limited to 25m, can see 50～60m even see the farther visual field.

Original back mirror wide-angle outside rear-view mirror, from the chaufeur eyespot vertically downward the wide zone of 3m * 2.5m be the blind area.For remedying above-mentioned blind area, need to increase by one and mend blind back mirror 50, to increase visual field observation, shown in Fig. 1 c;

Back mirror of the present invention need not increase by one and mend blind back mirror, can remedy original blind area by eyeglass own.

In sum, four-curved surface rearview mirror one mirror of the present invention replaces three mirrors, has the more wide non-blind area in the visual field, distance perspective is truly clear, and dynamic imaging is stablized limpid, at the bottom of the reflectivity, can avoid the traffic accident that causes because of blind area fully for steerman, greatly strengthen the traffic safety sense; And saving raw MAT'L; Be applicable to various vehicles such as utility van, motorcoach, freight, special purpose vehicle; Has the large market demand.

Claims

1. four-curved surface rearview mirror lens is installed on the vehicle headstock both sides; It is characterized in that it comprises the master outer back vision area of eyeglass near the vehicle headstock side; Be positioned at the outer back of the wide-angle vision area of eyeglass opposite side with respect to the outer backsight district of described master; Wide vision area after outside the master after main outer back vision area is outer with wide-angle between the vision area; And the blind back of the benefit that is positioned at eyeglass bottom vision area; These four vision areas are curved surface; Wherein,

The outer backsight sector width of described master accounts for 1/2～2/3 of eyeglass width, and length is 1/2～4/5 of eyeglass length, curvature R1200～2200mm;

The curvature of the outer back of described wide-angle vision area is R95～165mm; The curvature of the blind back of described benefit vision area is R95～165mm; The curvature of the wide vision area in the outer back of described master is R950～1950mm.

2. four-curved surface rearview mirror lens as claimed in claim 1, it is characterized in that, the wide vision area in the outer back of described eyeglass master also comprise described eyeglass master outside back vision area with between the vision area of the blind back of the benefit of eyeglass bottom second main outside after wide vision area, this wide vision area in second main outer back is a curved surface, and curvature is R950～1950mm.

3. four-curved surface rearview mirror lens as claimed in claim 2 is characterized in that, the wide vision area width in the described second main outer back accounts for 2/3～4/5 of eyeglass width, and length is 1/20～3/20 of eyeglass length.

4. four-curved surface rearview mirror lens as claimed in claim 1 is characterized in that, the outer backsight sector width of described wide-angle accounts for 1/5～1/3 of eyeglass width, and length is 4/5～1 of eyeglass length.

5. four-curved surface rearview mirror lens as claimed in claim 1 or 2 is characterized in that, the blind backsight sector width of described benefit accounts for 2/3～1 of eyeglass width, and length is 1/5～1/3 of eyeglass length.

6. four-curved surface rearview mirror lens as claimed in claim 1 or 2 is characterized in that, the wide vision area width in the outer back of described master accounts for 1/10～3/20 of eyeglass width, and length is 3/4～4/5 of eyeglass length.

7. four-curved surface rearview mirror lens as claimed in claim 1 or 2 is characterized in that, curvature R0～70mm that described eyeglass is four jiaos.