CN109383665B - Method and device for determining height of armrest box, armrest box and vehicle - Google Patents
Method and device for determining height of armrest box, armrest box and vehicle Download PDFInfo
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- CN109383665B CN109383665B CN201710657318.0A CN201710657318A CN109383665B CN 109383665 B CN109383665 B CN 109383665B CN 201710657318 A CN201710657318 A CN 201710657318A CN 109383665 B CN109383665 B CN 109383665B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R7/00—Stowing or holding appliances inside vehicle primarily intended for personal property smaller than suit-cases, e.g. travelling articles, or maps
- B60R7/04—Stowing or holding appliances inside vehicle primarily intended for personal property smaller than suit-cases, e.g. travelling articles, or maps in driver or passenger space, e.g. using racks
- B60R7/06—Stowing or holding appliances inside vehicle primarily intended for personal property smaller than suit-cases, e.g. travelling articles, or maps in driver or passenger space, e.g. using racks mounted on or below dashboards
Abstract
The disclosure relates to a method and a device for determining the height of a handrail box, the handrail box and a vehicle. The method can provide reliable design basis for the design of the vehicle armrest box, and is favorable for conveniently and quickly designing a reasonable armrest box. The method comprises the following steps: simulating a rotating process that a palm of a human body close to one side of an armrest box of the vehicle holds the innermost point on a steering wheel to rotate downwards by a preset angle according to a preset human body size; determining the change condition of the elbow position in the rotation process; and determining the value range of the height of the armrest box according to the change condition of the elbow position.
Description
Technical Field
The disclosure relates to the field of automobiles, in particular to a method and a device for determining the height of a handrail box, the handrail box and a vehicle.
Background
With the continuous development of science and technology, people's trip is also more and more convenient, and various cars, electric automobile etc. have become the essential vehicle in people's life. At present, a handrail box is arranged behind an auxiliary instrument desk on the right side of a front-row driver of a vehicle in many vehicle types, so that the driver can have a temporary rest in a constant-speed state or a driving process.
In the design stage of a vehicle, the length, width and height of a handrail box are usually input according to design experience in the previous period, but in the design process, adjustment of some parts is often involved, such as adjustment of the length or width of a sub-instrument desk and the like, at this time, the handrail box may need to be adjusted, however, a designer may not know whether the design of the handrail box is reasonable after the adjustment, and then needs to check repeatedly, the difficulty in designing the handrail box is high, and the handrail box designed in this way may have adverse effects on the operation of a driver.
Disclosure of Invention
The invention aims to provide a method and a device for determining the height of a handrail box, the handrail box and a vehicle, which can provide a reliable design basis for the design of the handrail box of the vehicle and are beneficial to conveniently and quickly designing a reasonable handrail box.
According to a first aspect of embodiments of the present invention, there is provided a method of determining a height of a console box, including:
simulating a rotating process that a palm of a human body close to one side of an armrest box of the vehicle holds the innermost point on a steering wheel to rotate downwards by a preset angle according to a preset human body size;
determining the change condition of the elbow position in the rotation process;
and determining the value range of the height of the armrest box according to the change condition of the elbow position.
Optionally, the method further includes:
determining a seat width for a driving position of the vehicle;
determining a vertical plane for representing the boundary of the armrest box close to one side of the driving position according to the seat width;
according to the change situation of the elbow position, the value range of the height of the armrest box is determined, and the method comprises the following steps:
and determining the maximum value of the value range of the height of the armrest box according to the change condition of the elbow position and the vertical plane.
Optionally, the rotation process that the innermost point that the human body is close to vehicle handrail case one side of simulation was held on the steering wheel and is rotated preset angle downwards includes:
taking the center point of the intersection of the shoulder and the upper arm of the human body as the center of a sphere, and taking the length value of the upper arm of the human body as the radius to form a first sphere;
in the process of simulating that the innermost point is held to rotate downwards, aiming at each point from the innermost to the lowermost point of the steering wheel, a plurality of second balls are made by taking the point as the center of a sphere and taking the value of the length of the small arm of the human body size plus the distance from the wrist to the hand as a radius;
and respectively determining an intersection circle of each second ball in the plurality of second balls and the first ball, and obtaining a plurality of intersection circles to represent the rotation process.
Determining a change in elbow position during said rotation, comprising:
aiming at each intersected circle in the plurality of intersected circles, respectively taking the innermost point on each intersected circle as a sphere center, and taking the elbow radius of the human body size as a radius, and making a plurality of third spheres;
wherein an envelope formed by all third spheres corresponding to the plurality of intersecting circles is used to characterize a change in the elbow position during the rotation.
Optionally, according to the change situation of the elbow position, determine the value range of the armrest box height, including:
respectively determining a lower extreme point on each third sphere surface in the plurality of third spheres;
and determining the value range of the height of the armrest box according to all the lower extreme points corresponding to all the third balls included in the plurality of third balls.
Optionally, determining, according to the seat width, a vertical plane for representing a boundary of the armrest box on the side close to the driving position includes:
and determining a Y plane with a first value from the R point as the vertical plane by taking the riding reference point R of the vehicle as an origin, the length direction of the vehicle as the X direction, the width direction of the vehicle as the Y direction and the height direction of the vehicle as the Z direction, wherein the first value is the sum of 1/2 of the seat width and a preset gap width.
Optionally, the rotation process that the innermost point that the human body is close to vehicle handrail case one side of simulation was held on the steering wheel and is rotated preset angle downwards includes:
taking the center point of the intersection of the shoulder and the upper arm of the human body as the center of a sphere, and taking the length value of the upper arm of the human body as the radius to form a first sphere;
in the process of simulating that the innermost point is held to rotate downwards, aiming at each point from the innermost to the lowermost point of the steering wheel, a plurality of second balls are made by taking the point as the center of a sphere and taking the value of the length of the small arm of the human body size plus the distance from the wrist to the hand as a radius;
respectively determining an intersection circle of each second ball in the plurality of second balls and the first ball to obtain a plurality of intersection circles so as to represent the rotation process;
according to the change situation of the elbow position and the vertical plane, determining the maximum value of the value range of the height of the armrest box, and the method comprises the following steps:
respectively determining a lower intersection point of each intersection circle and the plane for each intersection circle in the plurality of intersection circles, and making a plurality of fourth spheres by taking the lower intersection point as a sphere center and the elbow radius of the human body size as a radius;
respectively determining a lower extreme point of each fourth sphere surface in the plurality of fourth spheres;
determining a minimum value among the lower extreme points of the plurality of fourth balls as a maximum value of the console box height.
Optionally, the method further includes:
determining an intersection circle of the first ball and the vertical plane;
projecting a trunk line of the human body to the vertical plane;
taking a lower intersection point of the projection line of the trunk line and the intersection line circle as a sphere center, and taking the elbow radius of the human body size as a radius to make a fifth sphere;
and determining the Z-direction height of a lower intersection point of the projection line of the trunk line and the fifth ball as the minimum value of the height value range of the armrest box.
According to a second aspect of the embodiments of the present invention, there is provided a console box of a vehicle, wherein the height of the console box is within the range of the height determined by the method provided by the first aspect.
According to a third aspect of the embodiments of the present invention, there is provided a vehicle including the console box described in the second aspect above.
According to a fourth aspect of the embodiments of the present invention, there is provided an apparatus for a console box height, the apparatus including:
the simulation module is configured to simulate a rotating process that a palm of a human body close to one side of an armrest box of the vehicle holds the innermost point on the steering wheel to rotate downwards by a preset angle according to a preset human body size;
a first determination module configured to determine a change in elbow position during the rotation;
and the second determination module is configured to determine the value range of the height of the armrest box according to the change situation of the elbow position.
In the embodiment of the disclosure, the steering process of a driver can be simulated according to the preset size of a human body, then the change condition of the position of the elbow in the steering process is determined, and the value range of the height of the armrest box is determined according to the change condition of the position of the elbow. Through the mode, a reasonable height range of the armrest box can be obtained, designers can design the armrest box of the vehicle better, checking time is saved, meanwhile, the armrest box designed through the value range of the height of the armrest box obtained through the mode cannot collide with the elbow of a driver, and the armrest box is reasonable in design.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
fig. 1 is a flow chart illustrating a method of determining a height of a console box according to an exemplary embodiment.
FIG. 2 is a schematic diagram illustrating a constructed mannequin according to one exemplary embodiment.
FIG. 3 is a schematic diagram illustrating a simulated steering process using two intersecting circles, according to an exemplary embodiment.
FIG. 4 is a schematic diagram illustrating simulated elbow position changes in accordance with an exemplary embodiment.
FIG. 5 is a schematic illustration of an elbow nadir variation shown in accordance with an exemplary embodiment.
FIG. 6 is a schematic view of an elbow position shown intersecting a plane of an armrest box boundary in accordance with an exemplary embodiment.
Fig. 7 is a schematic diagram illustrating determination of a minimum value of a range of values of a height of a console box according to an exemplary embodiment.
Fig. 8 is a block diagram illustrating an apparatus for determining a height of a console box according to an exemplary embodiment.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
Fig. 1 is a flow chart illustrating a method, which may be implemented in a computer, as shown in fig. 1, according to an exemplary embodiment, including the following steps.
Step S11: according to the preset size of a human body, a rotating process that the palm of one side of the human body, which is close to the armrest box of the vehicle, holds the innermost point on the steering wheel and rotates downwards by a preset angle is simulated.
Step S12: and determining the change of the elbow position during the rotation process.
Step S13: and determining the value range of the height of the armrest box according to the change condition of the elbow position.
In the embodiments of the present disclosure, directions, positions, distances, and the like in space are described by using a three-dimensional coordinate system. A reference coordinate system is established by taking a riding reference point R point of a vehicle (a point corresponding to the hinge center positions of a trunk and thighs when a simulated human body sits on a driving position seat, which is an important reference point in vehicle design) as an origin, the length direction of the vehicle is an X direction, the width direction of the vehicle is a Y direction, and the height direction of the vehicle is a Z direction. The following description of the technical solutions of the present disclosure is described with reference to the above-mentioned reference coordinate system.
In the embodiment of the present disclosure, operations such as simulating a rotation process, making a ball, making a circle, finding an intersection point, and the like, which are mentioned below, may be performed in three-dimensional simulation software, such as CATIA, pro, UG, SolidWorks, and the like, which is not limited in the embodiment of the present disclosure.
At an initial moment, i.e. before the simulation of the turning process, the innermost point is a point on the steering wheel close to the central axis of the vehicle, i.e. for a vehicle with a driving position on the left side, the innermost point at the initial moment may be the rightmost point on the outer diameter edge of the steering wheel in the Y direction; for a vehicle with the driving position on the right side, the innermost point at the initial time may be the leftmost point on the outer diameter edge of the steering wheel in the Y direction.
The preset angle may be, for example, 90 degrees, that is, a rotation process of rotating the innermost point of the steering wheel by 90 degrees in a simulated palm holding manner, and the hand-held point after the rotation process is completed may be rotated to the lowest position of the steering wheel. Of course, the preset angle may also be other set angles, such as 80 degrees, 50 degrees, 40 degrees, and the like, which is not limited in the embodiment of the disclosure.
The body dimensions may be, for example, those of SAE (Society of Automotive Engineers ) standards, for example, as shown in the following table:
the preset body size may be a body size selected according to requirements of group-oriented design, shape and the like considered in vehicle design, for example, the body size may be 95% -SAE, the body size may be 50% -SAE and the like.
The simplified human body model can be constructed according to the preset human body size and the designed pre-ground hard points, please refer to fig. 2, for a vehicle of a certain vehicle type, after the steering wheel center point, the pedal reference point and the R point are fixed, the construction of the human body framework can be performed according to the preset human body size, and the constructed simplified human body model is as shown in fig. 2.
After the simplified model of the preset human body size is established, the rotation process that the human body holds the innermost point on the steering wheel to rotate downwards can be simulated by using the simplified model. The following describes possible ways of simulating the rotation process.
Optionally, the rotation process that the palm of the human body close to one side of the armrest box of the vehicle holds the innermost point on the steering wheel to rotate downwards is simulated, and the rotation process comprises the following steps: taking the center point of the intersection of the shoulder and the upper arm of the human body as the center of a sphere, and taking the length value of the upper arm of the human body as the radius to make a first sphere; in the process of simulating that the innermost point is held to rotate downwards, aiming at each point from the innermost to the lowermost of the steering wheel, a plurality of second balls are made by taking the point as the center of a sphere and taking the value of the length of the small arm of the human body size plus the distance from the wrist to the hand as the radius; and respectively determining the intersection circle of each second ball in the plurality of second balls and the first ball, and obtaining a plurality of intersection circles to represent the rotation process.
Because the relative motion between the forearm and the hand of the driver is extremely small and can be ignored in the actual steering process, the method establishes a model by taking the length of the forearm plus the distance from the wrist to the hand as a radius when drawing the second ball for representing the elbow rotation condition in the simulated motion process.
Referring to fig. 3, taking the human body size of 95% -SAE as an example, taking the center point of the intersection of the shoulder and the upper arm of the human body as the center of a sphere, the length (300mm) of the upper arm of the human body size as a radius, making a first sphere, and taking the rightmost point as the center of a circle and the value of the length of the small arm plus the distance from the wrist to the hand (267mm +81 mm-348 mm) as a radius, making a second sphere, and then obtaining the intersection circle of the first sphere and the second sphere. Similarly, a second ball corresponding to each point from the innermost to the lowermost of the steering wheel in the process of downwards rotating the rightmost point (namely the innermost point) of the steering wheel Y direction held by a human body can be made, and then each second ball is intersected with the first ball, so that a plurality of intersected circles can be obtained to represent the rotating process. Through the mode, the change situation of the elbow position in the steering process can be described intuitively and quantitatively, and the height value range of the armrest box can be further and better determined.
Optionally, determining the change of the elbow position during the rotation process includes: aiming at each intersected circle in the multiple intersected circles, a plurality of third spheres are made by respectively taking the innermost point on each intersected circle as the sphere center and the elbow radius of the human body size as the radius; wherein, the envelope formed by all the third spheres corresponding to the plurality of intersecting circles is used for representing the change of the elbow position in the rotating process.
Referring to fig. 4, also taking the driving position on the left side and taking 95% -SAE human body size as an example, each intersecting circle can be made into a third sphere with the rightmost point on the intersecting circle as the center of the sphere and the elbow radius (45mm) as the radius, and the envelope formed by a plurality of third spheres can represent the change of the elbow position in the steering process. Through the mode, the change situation of the elbow position in the steering process can be described visually and quantitatively, the height value range of the armrest box determined in the way can prevent a driver from colliding with the armrest box in the steering process to influence the driving, and the design is reasonable.
In actual operation, included angles of all arms in the steering process can be obtained, and whether the angle of the steering wheel rotated under the current data is a comfortable angle of the steering wheel rotated by a human body or not is further determined, so that the rationality of the data obtained through current simulation is verified.
Optionally, according to the change situation of elbow position, confirm the value range of handrail case height, include: respectively determining a lower extreme point on each third spherical surface in the plurality of third spheres; and determining the value range of the height of the armrest box according to all the lower extreme points corresponding to all the third balls included in the plurality of third balls.
The lower extreme point of the third ball may represent the lowest point that the elbow can touch during steering, so as shown in fig. 5, also taking the driving position on the left side, taking 95% -SAE human body size as an example, the lower extreme point of each third ball may be made, all the lower extreme points may form a track, and then the height selection during the design of the armrest box may be as long as the track formed by the lower extreme points is not touched. Through such a mode, the designer can obtain whether the height of the selected armrest box is reasonable or not conveniently, and better design is facilitated.
Alternatively, the seat width of the driving position of the vehicle may also be determined; determining a vertical plane for representing the boundary of one side, close to the driving position, of the armrest box according to the width of the seat; according to the change situation of elbow position, confirm the value range of handrail case height, include: and determining the value range of the height of the armrest box according to the change condition of the elbow position and the vertical plane.
For a specific vehicle model design, the boundary surface of the armrest box to be designed on the side close to the driving position can be found according to the seat width of the driving position, and can be determined in the following way:
optionally, a Y-plane of a first value of the distance R point is determined as the vertical plane, the first value being 1/2 of the seat width plus the preset gap width. The Y plane is a plane perpendicular to the Y axis.
The seat width may be an actual seat width of a vehicle type to be designed, and the preset gap width may be a gap width between the seat to be designed and the armrest box, both of which may be determined according to actual situations. Taking the seat width as 400mm and the preset gap width as 10mm as an example, and the first value is 400mm/2+10mm as 210mm, the Y plane at a distance of 210mm from the R point may be determined as a plane where the boundary of the armrest box on the side close to the driving position is located.
Optionally, under the condition that a vertical plane where a boundary of the armrest box near the driving position is located is determined, a rotation process that a palm of a human body near one side of the armrest box of the vehicle holds an innermost point on the steering wheel to rotate downwards is simulated, and the rotation process comprises the following steps: taking the center point of the intersection of the shoulder and the upper arm of the human body as the center of a sphere, and taking the length value of the upper arm of the human body as the radius to make a first sphere; in the process that the innermost point rotates downwards, aiming at each point from the innermost to the lowermost point of the steering wheel, a plurality of second balls are made by taking the point as the center of a sphere and taking the value of the length of the small arm of the human body size plus the distance from the wrist to the hand as the radius; respectively determining an intersection circle of each second ball in the plurality of second balls and the first ball to obtain a plurality of intersection circles so as to represent a rotation process; according to the change situation and the vertical plane of elbow position, confirm the maximum value of the value range of handrail case height, include: respectively determining a lower intersection point of each intersected circle and a plane aiming at each intersected circle in the intersected circles, and making a plurality of fourth spheres by taking the lower intersection point as a sphere center and the elbow radius of the human body size as a radius; respectively determining a lower extreme point of each fourth sphere surface in the plurality of fourth spheres; and determining the minimum value of the lower extreme points of the plurality of fourth balls as the maximum value of the height of the armrest box.
As shown in fig. 6, fig. 6 illustrates an example of a 95% -SAE body size with the driving position on the left and a seat width of 400 mm. And (3) making a vertical plane (Y plane) with the distance of 210mm from the R point, and obtaining intersection points of the plane and an intersection circle when the rightmost point of the hand-held steering wheel is the rightmost point, wherein the intersection points can be two, the lower intersection point is taken as the sphere center, the elbow radius (45mm) is taken as the radius, and a fourth ball is made, and the distance between the lower extreme point of the fourth ball and the R point can be measured, for example, the X direction is 85.9mm, the Y direction is 210, and the Z direction is 262.6 mm. In the same way, intersection points of the vertical plane and each intersected circle in the steering process can be made, the lower extreme point of the fourth ball corresponding to each intersection point is made, the lowest Z-direction height of each lower extreme point is checked, the Z-direction lowest point is found out, the designed height of the armrest box is not allowed to be higher than the minimum Z value, otherwise, an elbow is blocked to cause an accident in the steering process, and the driving safety is influenced.
In practical applications, since the length of the arm is constant, when the innermost point is held and turned downward during the turning process, the position of the elbow when the innermost point is turned may be shifted upward compared with the position of the elbow when the innermost point is not yet reached, and therefore the lower extreme point of the fourth sphere when the innermost point is turned may be called the next lowest point, and the lowest point may be found through the next lowest point. For example, a point with a Z-direction height smaller than the Z-direction height of the next lowest point may be found in the lower extreme point before the next lowest point.
Through the mode, the maximum height value of the armrest box designed for the specific vehicle type can be found, and designers can design the armrest box more reasonably.
Optionally, an intersection circle of the first ball and the vertical plane may also be determined; projecting the trunk line of the human body to a vertical plane; taking the lower intersection point of the projection line of the trunk line and the intersection line circle as the center of the sphere, and taking the elbow radius of the human body size as the radius, and making a fifth sphere; and determining the Z-direction height of a lower intersection point of the projection line of the trunk line and the fifth ball as the minimum value of the height value range of the armrest box.
As shown in fig. 7, also taking the human body size of 95% -SAE as an example, the first sphere is intersected with a vertical plane where a boundary of the armrest box on one side close to the driving position is located to obtain an intersection circle, the trunk line of the human body model is projected to the vertical plane to obtain a projection line, the projection line is intersected with the intersection circle to obtain two intersection points, a lower intersection point is taken as a sphere center, an elbow radius (45mm) is taken as a radius to be used as a fifth sphere, and the lower intersection point where the projection line of the fifth sphere and the trunk line is intersected can be determined as the minimum value of the range of the height of the armrest box. The height of the armrest box designed in such a way can achieve the effect of enabling a driver to rest the arms, the armrest box is reasonable in design, and meanwhile, reasonable design values are provided for designers.
The range of the height of the armrest box obtained by the method for the human body size of 95% -SAE and the human body size of 50% -SAE and other parameters are listed below respectively.
Of course, the above data are exemplary to illustrate a reasonable height range of the armrest box, and in practical applications, the variation of some parameters such as the seat width and the human body size will probably result in different height ranges, and the armrest box height range obtained by the above method is within the protection scope of the present disclosure.
Referring to fig. 8, based on the same inventive concept, an embodiment of the present invention provides an apparatus 800 for determining a height of a console box, where the apparatus 800 may include:
a simulation module 801 configured to simulate a rotation process in which a palm of a human body on a side close to an armrest box of a vehicle holds an innermost point on a steering wheel to rotate downward by a preset angle according to a preset human body size;
a first determining module 802 configured to determine a change in elbow position during rotation;
the second determining module 803 is configured to determine a value range of the armrest box height according to the change of the elbow position.
Optionally, the apparatus 800 further includes:
a third determination module configured to determine a seat width of a driving position of the vehicle;
a fourth determination module configured to determine a vertical plane representing a boundary of the armrest box on the side close to the driving position, according to the seat width;
the second determination module 803 is configured to:
and determining the maximum value of the value range of the height of the armrest box according to the change condition of the elbow position and the vertical plane.
Optionally, the simulation module 801 is configured to:
taking the center point of the intersection of the shoulder and the upper arm of the human body as the center of a sphere, and taking the length value of the upper arm of the human body as the radius to make a first sphere;
in the process that the innermost point rotates downwards, aiming at each point from the innermost to the lowermost point of the steering wheel, a plurality of second balls are made by taking the point as the center of a sphere and taking the value of the length of the small arm of the human body size plus the distance from the wrist to the hand as the radius;
and respectively determining the intersection circle of each second ball in the plurality of second balls and the first ball, and obtaining a plurality of intersection circles to represent the rotation process.
Optionally, the first determining module 802 is configured to:
aiming at each intersected circle in the multiple intersected circles, a plurality of third spheres are made by respectively taking the innermost point on each intersected circle as the sphere center and the elbow radius of the human body size as the radius;
wherein, the envelope formed by all the third spheres corresponding to the plurality of intersecting circles is used for representing the change of the elbow position in the rotating process.
Optionally, the second determining module 803 is configured to:
respectively determining a lower extreme point on each third spherical surface in the plurality of third spheres;
and determining the value range of the height of the armrest box according to all the lower extreme points corresponding to all the third balls included in the plurality of third balls.
Optionally, the fourth determining module is configured to:
the method comprises the steps of taking a riding reference point R of a vehicle as an original point, taking the length direction of the vehicle as an X direction, taking the width direction of the vehicle as a Y direction, taking the height direction of the vehicle as a Z direction, determining a Y plane of a first value from the R point as a vertical plane, and taking the first value as the sum of 1/2 of the seat width and a preset gap width.
Optionally, the simulation module is configured to:
taking the center point of the intersection of the shoulder and the upper arm of the human body as the center of a sphere, and taking the length value of the upper arm of the human body as the radius to make a first sphere;
in the process that the innermost point rotates downwards, aiming at each point from the innermost to the lowermost point of the steering wheel, a plurality of second balls are made by taking the point as a sphere center and taking the value of the length of the small arm of the human body size plus the distance from the wrist to the hand as a radius;
respectively determining an intersection circle of each second ball in the plurality of second balls and the first ball to obtain a plurality of intersection circles so as to represent a rotation process;
the second determination module 803 is configured to:
respectively determining a lower intersection point of each intersected circle and a plane aiming at each intersected circle in the intersected circles, and making a plurality of fourth spheres by taking the lower intersection point as a sphere center and the elbow radius of the human body size as a radius;
respectively determining a lower extreme point of each fourth sphere surface in the plurality of fourth spheres;
and determining the minimum value of the lower extreme points of the plurality of fourth balls as the maximum value of the height of the armrest box.
Optionally, the apparatus 800 further includes:
a fifth determining module configured to determine an intersection circle of the first ball and the vertical plane;
a projection module configured to project a trunk line of a human body to a vertical plane;
the execution module is configured to make a fifth sphere by taking a lower intersection point of the projection line of the trunk line and the intersection line circle as a sphere center and the elbow radius of the human body size as a radius;
and the sixth determining module is configured to determine the Z-direction height of a lower intersection point of the projection line of the trunk line and the fifth ball as the minimum value of the height value range of the armrest box.
Based on the same invention concept, the embodiment of the invention provides the armrest box of the vehicle, and the height of the armrest box is positioned in the height value range determined according to the method for determining the height of the armrest box.
Based on the same inventive concept, the embodiment of the invention provides a vehicle, which comprises the armrest box.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. A method of determining a height of a console box, comprising:
according to a preset human body size, taking a central point of the intersection of the shoulder and the upper arm of the human body as a sphere center, and taking the length value of the upper arm of the human body size as a radius to make a first sphere;
in the process of simulating that the innermost point on the steering wheel is held to rotate downwards, aiming at each point from the innermost point to the lowermost point of the steering wheel, the point is respectively taken as the sphere center, the value obtained by adding the wrist-to-hand holding distance to the small arm length of the human body size is taken as the radius, and a plurality of second spheres are made;
respectively determining an intersecting circle of each second ball in the plurality of second balls and the first ball to obtain a plurality of intersecting circles so as to represent a rotating process that a palm of one side of a human body, which is close to the armrest box of the vehicle, holds the innermost point on the steering wheel and rotates downwards by a preset angle;
determining the change condition of the elbow position in the rotation process;
and determining the value range of the height of the armrest box according to the change condition of the elbow position.
2. The method of claim 1, further comprising:
determining a seat width for a driving position of the vehicle;
determining a vertical plane for representing the boundary of the armrest box close to one side of the driving position according to the seat width;
according to the change situation of the elbow position, the value range of the height of the armrest box is determined, and the method comprises the following steps:
and determining the maximum value of the value range of the height of the armrest box according to the change condition of the elbow position and the vertical plane.
3. The method of claim 1, wherein determining a change in elbow position during the rotation comprises:
aiming at each intersected circle in the plurality of intersected circles, respectively taking the innermost point on each intersected circle as a sphere center, and taking the elbow radius of the human body size as a radius, and making a plurality of third spheres;
wherein an envelope formed by all third spheres corresponding to the plurality of intersecting circles is used to characterize a change in the elbow position during the rotation.
4. The method of claim 3, wherein determining the range of values of the armrest box height based on the change in the elbow position comprises:
respectively determining a lower extreme point on each third sphere surface in the plurality of third spheres;
and determining the value range of the height of the armrest box according to all the lower extreme points corresponding to all the third balls included in the plurality of third balls.
5. The method of claim 2, wherein determining a vertical plane characterizing a boundary of the armrest box on a side proximate the driving position as a function of the seat width comprises:
and determining a Y plane with a first value from the R point as the vertical plane by taking the riding reference point R of the vehicle as an origin, the length direction of the vehicle as the X direction, the width direction of the vehicle as the Y direction and the height direction of the vehicle as the Z direction, wherein the first value is the sum of 1/2 of the seat width and a preset gap width.
6. The method of claim 5, wherein determining the maximum value of the range of values of the armrest box height according to the elbow position change and the vertical plane comprises:
respectively determining a lower intersection point of each intersection circle and the plane for each intersection circle in the plurality of intersection circles, and making a plurality of fourth spheres by taking the lower intersection point as a sphere center and the elbow radius of the human body size as a radius;
respectively determining a lower extreme point of each fourth sphere surface in the plurality of fourth spheres;
determining a minimum value among the lower extreme points of the plurality of fourth balls as a maximum value of the console box height.
7. The method of claim 6, further comprising:
determining an intersection circle of the first ball and the vertical plane;
projecting a trunk line of the human body to the vertical plane;
taking a lower intersection point of the projection line of the trunk line and the intersection line circle as a sphere center, and taking the elbow radius of the human body size as a radius to make a fifth sphere;
and determining the Z-direction height of a lower intersection point of the projection line of the trunk line and the fifth ball as the minimum value of the height value range of the armrest box.
8. A console box for a vehicle, characterized in that the console box height is within the range of the height determined according to the method of any one of claims 1 to 7.
9. A vehicle characterized by comprising the console box as claimed in claim 8.
10. An apparatus for determining a height of a console box, the apparatus comprising:
the simulation module is configured to make a first ball by taking a central point of the intersection of the shoulder and the upper arm of the human body as a spherical center and the length value of the upper arm of the human body as a radius according to a preset human body size;
in the process of simulating that the innermost point on the steering wheel is held to rotate downwards, aiming at each point from the innermost point to the lowermost point of the steering wheel, the point is respectively taken as the sphere center, the value obtained by adding the wrist-to-hand holding distance to the small arm length of the human body size is taken as the radius, and a plurality of second spheres are made;
respectively determining an intersecting circle of each second ball in the plurality of second balls and the first ball to obtain a plurality of intersecting circles so as to represent a rotating process that a palm of one side of a human body, which is close to the armrest box of the vehicle, holds the innermost point on the steering wheel and rotates downwards by a preset angle;
a first determination module configured to determine a change in elbow position during the rotation;
and the second determination module is configured to determine the value range of the height of the armrest box according to the change situation of the elbow position.
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