CN104085273A - Method for dividing front windshield of commercial vehicle into zone A and zone B - Google Patents
Method for dividing front windshield of commercial vehicle into zone A and zone B Download PDFInfo
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Abstract
The invention discloses a method for dividing a front windshield of a commercial vehicle into a zone A and a zone B. Firstly, plane dividing base points (V1 and V2) are obtained through the utilization of a design reference point (R) and a backrest included angle (alpha) of a vehicle chair. Then, multiple segmentation planes are formed based on the plane dividing base points (V1 and V2), and the front windshield (1) is divided into the zone A and the zone B according to intersecting lines formed by the multiple segmentation planes and the surface of the front windshield (1). In the method for dividing the front windshield of the commercial vehicle into the zone A and the zone B, the difference between the chair heights and the backrest included angles of the commercial vehicle and a common passenger vehicle is considered, the plane dividing base points are obtained with reference to the design reference point (R) and the backrest included angle (alpha) of the vehicle chair, the multiple segmentation planes (P1, P2, P3 and P4) are then obtained through the plane dividing base points, and the zone A and the zone B are divided on the front windshield, so that proper sizes of zone A and zone B which are suitable for the position and the visual field of a driver are obtained.
Description
Technical field
The present invention relates to the Front Windshield A district of a kind of A district of vehicle Front Windshield and division methods, especially commercial vehicle/comm..vehicle such as the lorry in B district etc. and the division methods in B district.
Background technology
At present, the Front Windshield visual field AB Division of domestic commercial vehicle is normally divided with reference to the method for M1 class automobile.Yet because riding class vehicle body is different from occupant's sitting posture of commercial vehicle/comm..vehicle class (particularly tack commercial vehicle/comm..vehicle), so just there will be the visual field, Front Windshield AB district marking off with riding class standard, can not meet the commercial class corresponding visual field requirement of tack completely, be that area division is large not, with respect to occupant's malposition.Thereby may cause windscreen wiper AB district can not reach the extension brushing effects of expection, make the windscreen wiper can not be well by removals such as the rainwater on air regulator, snow, spots, and then the direct field of view that just may have influence on chaufeur indirect field of view even, make the visual field of chaufeur may have certain blind area.This is totally unfavorable for safety traffic, thereby needs badly and set up a set of Front Windshield A district be suitable on commercial vehicle/comm..vehicle and the division methods in B district.
Summary of the invention
The division methods that the object of this invention is to provide a kind of Front Windshield A district and B district of commercial vehicle/comm..vehicle, to be applicable on commercial vehicle, meets position and the visual field demand of chaufeur.
For achieving the above object, the invention provides a kind of division methods of Front Windshield A district and B district of commercial vehicle/comm..vehicle, this division methods first utilizes the reference point for the design (R) of seat and backrest angle (ɑ) to obtain plane division basic point (V1, V2), then according to described plane, divide basic point (V1, V2) form a plurality of cutting planes, and according to the intersection on the plurality of cutting plane and described windscreen (1) surface, thereby on described windscreen (1), mark off described A district and B district.
Preferably, the surface of described windscreen (1) is outside face or the inside face of this windscreen (1).
Preferably, described plane division basic point (V1, V2) comprises that the first plane is divided basic point (V1) and the second plane is divided basic point (V2), the three-dimensional coordinate of the reference point for the design of described seat (R) in vehicle body system of axes (X, Y, Z) is (X0, Y0, Z0); Wherein, in described vehicle body system of axes, the three-dimensional coordinate (X1, Y1, Z1) that described the first plane is divided basic point (V1) is: X1=X0+68+ Δ X; Y1=Y0-5; Z1=Z0+665+ Δ Z; The three-dimensional coordinate (X2, Y2, Z2) that described the second plane is divided basic point (V2) is: X2=X0+68+ Δ X; Y2=Y0-5; Z2=Z0+589+ Δ Z; Wherein, along with the increase of described backrest angle (ɑ), the value of described Δ X has increase tendency, and the value of described Δ Z has the trend of reducing.
Preferably, the pass of the value of described Δ X and Δ Z and described backrest angle (ɑ) is:
Preferably, described a plurality of cutting plane comprises the first cutting plane (P1), the second cutting plane (P2), the 3rd cutting plane (P3) and the 4th cutting plane (P4); Wherein, in vehicle body system of axes (X, Y, Z), described the first cutting plane (P1) is divided basic point (V1) and parallel with Y-axis through described the first plane, and is formed with the elevation angle (YJ) between this first cutting plane (P1) and X-axis; Described the second cutting plane (P2) is divided basic point (V2) and parallel with Y-axis through described the second plane, and and described X-axis between be formed with the angle of depression (FJ); Described the 3rd cutting plane (P3) is for divide basic point (V1) and the second plane division basic point (V2) and first vertical guide parallel with Z axis through described the first plane, and this first vertical guide is formed with left-leaning angle (ZQ) between the left side of described X-axis and this X-axis; Wherein, when dividing described A district, described the 4th cutting plane (P4) is for divide basic point (V1) and the second plane division basic point (V2) and second vertical guide parallel with Z axis through described the first plane, this second vertical guide the left side of described X-axis with respect to this X axis right bank with and this X-axis between be formed with Right deviation angle (YQ); And when dividing described B district, described the 4th cutting plane (P4) is and the plane of described the 3rd cutting plane (P3) with respect to the longitudinal median plane symmetry of vehicle.
Preferably, described commercial vehicle/comm..vehicle comprises N1 class vehicle, N2 class vehicle and N3 class vehicle, and described N1 class vehicle is divided into according to driving engine mount scheme three kinds of vehicle type that protruding head type, half protruding head type and operator's compartment are positioned at driving engine top; Wherein, the corresponding value of the described elevation angle (YJ) of all types of vehicles, the angle of depression (FJ), left-leaning angle (ZQ) and Right deviation angle (YQ) is:
According to technique scheme, in the Front Windshield A district of commercial vehicle/comm..vehicle of the present invention and the division methods in B district, height and the backrest angle of considering the seat of commercial vehicle/comm..vehicle are all different from ordinary passenger car, thereby to take reference point for the design (R point) and the backrest angle of seat be benchmark, obtain plane and divide basic point, then by this plane, divide basic point and obtain a plurality of cutting planes, to be syncopated as A district and B district on Front Windshield, thereby acquisition is applicable to A district and the B district of the suitable size in position of driver and the visual field.
Other features and advantages of the present invention partly in detail are described the specific embodiment subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for specification sheets, is used from explanation the present invention, but is not construed as limiting the invention with the specific embodiment one below.In the accompanying drawings:
Fig. 1 is the A district that marks off on the Front Windshield of M class automobile in prior art and the schematic diagram in B district;
Fig. 2 a～Fig. 2 f is according to the step successively of the division methods in the Front Windshield A district of the preferred embodiment of the present invention;
Fig. 3 is according to the division schematic diagram in the Front Windshield B district of the preferred embodiment of the present invention;
Fig. 4 is the position view in the A district marking off on windscreen according to the method in the preferred embodiment of the present invention and B district, namely Fig. 2 f and Fig. 3 integrated figure on Front Windshield; And
Fig. 5 is the front elevation of windscreen, wherein as a comparison, has shown the A district and the B district that in the A district that divides in Fig. 1 and B district and Fig. 4, divide.
description of reference numerals
The reference point for the design of 1 windscreen R seat
V1 the first plane is divided basic point V2 the second plane and is divided basic point
C1 first reference plane C2 the second reference plane
C3 the 3rd reference plane
P1 the first cutting plane P 2 second cutting planes
P3 the 3rd cutting plane P 4 the 4th cutting plane
B B district, A A district
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
First explanation is; in the description of the specific embodiment below; for the ease of understanding and setting forth explanation and some nouns of locality of employing; such as " upper and lower, left and right " etc., be all with respect to the vehicle body system of axes defining in the present invention (X; Y; Z) orientation, but these nouns of locality should not form limiting the scope of the invention.Wherein, in this vehicle body system of axes, Z axis is short transverse, X-axis is longitudinal direction of car direction, Y-axis is generally vehicular transverse direction, and the initial point of this vehicle body system of axes (O point) is located in the geometric centre of bodywork surface, and seat is usually located at the left side of the X-axis of vehicle body system of axes.
For carry out the division in Front Windshield A district and the B district of commercial vehicle/comm..vehicle in prior art with reference to M class vehicle, thereby cause zoning problem little and that do not conform to field range with the position of driver of commercial vehicle/comm..vehicle as shown in Figure 1, the present invention provides a kind of division methods of Front Windshield A district and B district of commercial vehicle/comm..vehicle hereby.The method first utilizes the reference point for the design (being R point) of seat and backrest angle ɑ to obtain plane division basic point, then according to plane, divide a plurality of cutting planes that basic point forms, and according to the intersection of the plurality of cutting plane and windscreen 1 surface (outside face of windscreen 1 or inside face), thereby on windscreen 1, mark off A district and B district.As total design, the present invention mainly considers that height and the backrest angle ɑ of the seat of commercial vehicle/comm..vehicle are different from ordinary passenger car, thereby take the reference point for the design (R point) of seat and backrest angle and divide basic point as benchmark obtains plane, then by this plane, divide basic point and obtain a plurality of cutting planes, to be syncopated as A district and B district on windscreen, thereby acquisition is applicable to A district and the B district of the suitable size in position of driver and the visual field.
In the present embodiment, above-mentioned plane is divided basic point and is adopted two, comprises that the first plane is divided basic point V1 and the second plane is divided basic point V2.For two planes are divided to basic points, be associated with the position of seat, thereby by the three-dimensional coordinate of these two planes division basic points, at the reference point for the design of seat, be to make corresponding adjustment on the basis of the R three-dimensional coordinate (X0, Y0, Z0) of ordering.Particularly, in the present embodiment, upper at vehicle body system of axes (X, Y, Z), the three-dimensional coordinate (X1, Y1, Z1) that the first plane is divided basic point V1 is set as:
X1=X0+68+ΔX；
Y1=Y0-5；
Z1=Z0+665+ΔZ；
The three-dimensional coordinate (X2, Y2, Z2) that the second plane is divided basic point V2 is set as:
X2=X0+68+ΔX；
Y2=Y0-5；
Z2=Z0+589+ΔZ；
Wherein, increment Delta X and Δ Z are that plane is divided the position adjustment that basic point is made according to the size of the backrest angle ɑ of seat, can determine according to specific environment, but overall rule are the increases along with backrest angle ɑ, the value of Δ X should have increase tendency, and the value of Δ Z has the trend of reducing.
In the present embodiment, according to above description, preferred associated between the value that has provided Δ X and Δ Z with the form of list 1 and backrest angle ɑ.
The value of table 1---Δ X and Δ Z is preferred associated with backrest angle ɑ's
Divide after basic point obtaining plane, the form that the present invention adopts four adjacent planes in plane to intersect each other, thus on windscreen 1, cut out a region, i.e. A district or B district.Be that above-mentioned a plurality of cutting planes comprise the first cutting plane P 1, the second cutting plane P 2, the 3rd cutting plane P 3 and the 4th cutting plane P 4 totally four planes.Particularly, in the vehicle body system of axes (X, Y, Z) of present embodiment, the first cutting plane P 1 is set as dividing basic point V1 and the plane parallel with Y-axis through the first plane, and is formed with certain elevation angle YJ between this first cutting plane P 1 and X-axis.The second cutting plane P 2 is set as dividing basic point V2 and parallel with Y-axis through the second plane, and and X-axis between be formed with certain angle of depression FJ; The 3rd cutting plane P 3 is set as dividing basic point V1 and the second plane is divided basic point V2 and first vertical guide parallel with Z axis through the first plane, and this first vertical guide forms certain left-leaning angle ZQ between the left side of X-axis and this X-axis.Wherein, when dividing A district, the 4th cutting plane P 4 is set as dividing basic point V1 and the second plane is divided basic point V2 and second vertical guide parallel with Z axis through the first plane, this second vertical guide the left side of X-axis with respect to this X axis right bank with and this X-axis between be formed with certain Right deviation angle Y Q; And when dividing B district, the 4th 4 of cutting plane P are and the plane of the 3rd cutting plane P 3 with respect to the longitudinal median plane symmetry of vehicle.Like this, four cutting planes of dividing basic point V1 and/or the second plane division basic point V2 through the first plane can intersect at surface and the windscreen 1 of windscreen 1, thereby by four intersections, mark off A district or B district on windscreen surface.
In addition, the present invention is mainly for commercial vehicle/comm..vehicle, especially loading wheel, therefore the commercial vehicle/comm..vehicle classification in present embodiment becomes to comprise N1 class vehicle, N2 class vehicle and N3 class vehicle, and N1 class vehicle is divided into according to driving engine mount scheme three kinds of vehicle type that protruding head type, half protruding head type and operator's compartment are positioned at driving engine top.For all types of vehicles, below by table 2, provide the preferred value of its corresponding elevation angle YJ, angle of depression FJ, left-leaning angle ZQ and Right deviation angle Y Q.
The preferred value of table 2---elevation angle YJ, angle of depression FJ, left-leaning angle ZQ and Right deviation angle Y Q
Ou Make 1995 vehicles of light truck-type of take below are specifically divided as the AB region that example is carried out Front Windshield.This vehicle type belongs to N2 class wheel, payload ratings 7.5T, and operator's compartment is positioned at driving engine top, and R point coordinate is (42 ,-570,714), and its back of seat angle is 15 °.
According to ɑ=15 °, back of seat angle, from table 1, can draw preferred value Δ X=-90mm, Δ Z=20mm.
Therefore the three-dimensional coordinate that, V1 is ordered is:
X1=X0+68+ΔX=42+68+（-90）=20；
Y1=Y0-5=-570-5=-575；
Z1=Z0+665+ΔZ=714+665+20=1399；
The three-dimensional coordinate that V2 is ordered is:
X2=X0+68+ΔX=42+68+（-90）=20；
Y2=Y0-5=-570-5=-575；
Z2=Z0+589+ΔZ=714+589+20=1323。
According to parameters such as commercial vehicle/comm..vehicle classification and driving engine mount schemes, the preferred value of angle that can check in each cutting plane in the division A district that all driving engine mount schemes of N2 class wheel are corresponding from table 2 is: YJ >=6 °, the elevation angle, FJ >=3 °, the angle of depression, left-leaning angle ZQ >=15 ° and Right deviation angle Y Q >=16 °.The preferred value of angle of dividing each cutting plane in B district is: YJ >=9 °, the elevation angle, FJ >=7, the angle of depression ° and left-leaning angle ZQ >=18 °.
Therefore, the division methods step in Front Windshield A district and the Front Windshield B limited region dividing method of Fig. 3 referring to Fig. 2 a～Fig. 2 f, in Fig. 2 a, illustrated according to R point and obtained the process that V1 and V2 are ordered, the first cutting plane P 1 and the first reference plane C1 of through V1, ordering have been shown in Fig. 2 b, these first reference plane C1 is through V1 point parallel with the XOY plane of vehicle body system of axes, this the first cutting plane P 1 parallel with Y-axis and and X-axis between form the elevation angle YJ of 6 °, with the first reference plane C1 be 6 ° to vertical angle.Similarly, the second cutting plane P 2 and the second reference plane C2 of through V2, ordering have been shown in Fig. 2 c, these second reference plane C2 is through V2 point parallel with the XOY plane of vehicle body system of axes, the second cutting plane P 2 parallel with Y-axis and and X-axis between form the angle of depression FJ of 3 °, be the downward angle of depression of 3 ° with the second reference plane C2 wherein.In Fig. 2 d, illustrated and through the first plane, divided the 3rd cutting plane P 3 and the 3rd reference plane C3 of basic point V1 and the second plane division basic point V2 simultaneously, the 3rd reference plane C3 for by V1,2 of V2 and with the XOZ plane parallel of vehicle body system of axes, the 3rd cutting plane P 3 is for passing through V1,2 of V2 and first vertical guide parallel with Z axis, this first vertical guide forms the left-leaning angle ZQ of 15 ° between the left side of X-axis (seat one side) and this X-axis, with respect to left-leaning 15 ° of the 3rd reference plane C3.In Fig. 2 e, illustrated and through the first plane, divided the 4th cutting plane P 4 and the 3rd reference plane C3 of basic point V1 and the second plane division basic point V2 simultaneously, the 4th cutting plane P 4 is for passing through V1,2 of V2 and second vertical guide parallel with Z axis, this second vertical guide the left side of X-axis be tilted to the right and this X-axis between form the Right deviation angle Y Q of 16 °, with respect to 16 ° of the 3rd reference plane C3 Right deviations.Like this, known in Fig. 2 f, four cutting planes can be syncopated as this A area on windscreen 1.
When dividing B district, as shown in Figure 3, similarly, the elevation angle YJ=9 ° of the first cutting plane P 1, the angle of depression FJ=7 ° of the second cutting plane P 2, the left-leaning angle ZQ=18 ° of the 3rd cutting plane P 3, the 4th cutting plane P 4 is and the plane of the 3rd cutting plane P 3 with respect to the longitudinal median plane symmetry of vehicle.Like this, four cutting planes of dividing basic point V1 and/or the second plane division basic point V2 through the first plane can intersect at surface and the windscreen 1 of windscreen 1, thereby by four intersections, mark off this B area on Front Windshield surface.The partition process in comprehensive above-mentioned A district and B district, Fig. 4 has provided the A district that marks off on Front Windshield according to the method for above-mentioned embodiment and the position view in B district.
In addition, as a comparison, Fig. 5 has provided the front elevation of Front Windshield.The A district and B district (with relative thinner wire frame, indicating) and the A district as shown in Figure 4 dividing according to present embodiment and B district (with relative thicker wire frame sign) that in Fig. 1, according to prior art, divide have wherein been shown.Contrast known, although in above-mentioned embodiment, the leaning angle of each cutting plane is got the minimum value in respective range, but the A district that the method according to this invention marks off and B district are still obviously greater than according to the A district of prior art division and region area and the field range in B district.And through analogue test, more meet position of driver and the visual field requirement of commercial vehicle/comm..vehicle.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, between various embodiment of the present invention, also can carry out combination in any, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (6)
1. the Front Windshield A district of a commercial vehicle/comm..vehicle and the division methods in B district, it is characterized in that, this division methods first utilizes the reference point for the design (R) of seat and backrest angle (ɑ) to obtain plane division basic point (V1, V2), then according to described plane, divide basic point (V1, V2) form a plurality of cutting planes, and according to the intersection on the plurality of cutting plane and described windscreen (1) surface, thereby on described windscreen (1), mark off described A district and B district.
2. the Front Windshield A district of commercial vehicle/comm..vehicle according to claim 1 and the division methods in B district, is characterized in that, the surface of described windscreen (1) is outside face or the inside face of this windscreen (1).
3. the Front Windshield A district of commercial vehicle/comm..vehicle according to claim 1 and the division methods in B district, it is characterized in that, described plane is divided basic point (V1, V2) comprise that the first plane is divided basic point (V1) and the second plane is divided basic point (V2), the three-dimensional coordinate of the reference point for the design of described seat (R) in vehicle body system of axes (X, Y, Z) is (X0, Y0, Z0);
Wherein, in described vehicle body system of axes, the three-dimensional coordinate (X1, Y1, Z1) that described the first plane is divided basic point (V1) is: X1=X0+68+ Δ X;
Y1=Y0-5；
Z1=Z0+665+ΔZ；
The three-dimensional coordinate (X2, Y2, Z2) that described the second plane is divided basic point (V2) is:
X2=X0+68+ΔX；
Y2=Y0-5；
Z2=Z0+589+ΔZ；
Wherein, along with the increase of described backrest angle (ɑ), the value of described Δ X has increase tendency, and the value of described Δ Z has the trend of reducing.
4. the Front Windshield A district of the commercial vehicle/comm..vehicle of stating according to claim 3 and the division methods in B district, is characterized in that, the pass of the value of described Δ X and Δ Z and described backrest angle (ɑ) is:
。
5. the Front Windshield A district of the commercial vehicle/comm..vehicle of stating according to claim 1 and the division methods in B district, it is characterized in that, described a plurality of cutting planes comprise the first cutting plane (P1), the second cutting plane (P2), the 3rd cutting plane (P3) and the 4th cutting plane (P4);
Wherein, in vehicle body system of axes (X, Y, Z), described the first cutting plane (P1) is divided basic point (V1) and parallel with Y-axis through described the first plane, and is formed with the elevation angle (YJ) between this first cutting plane (P1) and X-axis; Described the second cutting plane (P2) is divided basic point (V2) and parallel with Y-axis through described the second plane, and and described X-axis between be formed with the angle of depression (FJ); Described the 3rd cutting plane (P3) is for divide basic point (V1) and the second plane division basic point (V2) and first vertical guide parallel with Z axis through described the first plane, and this first vertical guide is formed with left-leaning angle (ZQ) between the left side of described X-axis and this X-axis;
Wherein, when dividing described A district, described the 4th cutting plane (P4) is for divide basic point (V1) and the second plane division basic point (V2) and second vertical guide parallel with Z axis through described the first plane, this second vertical guide the left side of described X-axis with respect to this X axis right bank with and this X-axis between be formed with Right deviation angle (YQ); And
When dividing described B district, described the 4th cutting plane (P4) is and the plane of described the 3rd cutting plane (P3) with respect to the longitudinal median plane symmetry of vehicle.
6. the Front Windshield A district of the commercial vehicle/comm..vehicle of stating according to claim 5 and the division methods in B district, it is characterized in that, described commercial vehicle/comm..vehicle comprises N1 class vehicle, N2 class vehicle and N3 class vehicle, and described N1 class vehicle is divided into according to driving engine mount scheme three kinds of vehicle type that protruding head type, half protruding head type and operator's compartment are positioned at driving engine top; Wherein, the corresponding value of the described elevation angle (YJ) of all types of vehicles, the angle of depression (FJ), left-leaning angle (ZQ) and Right deviation angle (YQ) is:
。
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034760A (en) * | 2015-08-06 | 2015-11-11 | 北汽福田汽车股份有限公司 | Truck rear view window, methods for designing and checking position and size of the same, and truck |
| CN108376412A (en) * | 2018-03-09 | 2018-08-07 | 安徽农业大学 | A kind of driving vision requirement region computational methods of automobile front windshield |
| CN111791970A (en) * | 2020-07-15 | 2020-10-20 | 安徽江淮汽车集团股份有限公司 | Positioning device for A area of front windshield of automobile |
-
2013
- 2013-04-01 CN CN201310110930.8A patent/CN104085273A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034760A (en) * | 2015-08-06 | 2015-11-11 | 北汽福田汽车股份有限公司 | Truck rear view window, methods for designing and checking position and size of the same, and truck |
| CN108376412A (en) * | 2018-03-09 | 2018-08-07 | 安徽农业大学 | A kind of driving vision requirement region computational methods of automobile front windshield |
| CN108376412B (en) * | 2018-03-09 | 2020-07-14 | 安徽农业大学 | Method for calculating driving view field requirement area of automobile front windshield |
| CN111791970A (en) * | 2020-07-15 | 2020-10-20 | 安徽江淮汽车集团股份有限公司 | Positioning device for A area of front windshield of automobile |
| CN111791970B (en) * | 2020-07-15 | 2021-11-19 | 安徽江淮汽车集团股份有限公司 | Positioning device for A area of front windshield of automobile |
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Application publication date: 20141008 |
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| RJ01 | Rejection of invention patent application after publication |