阅读说明：本技术 一种半挂牵引车及辅助远光灯的控制方法 (Semi-trailer tractor and control method for auxiliary high beam ) 是由 应力 张琳 王烁 耿婉宁 于 2021-08-10 设计创作，主要内容包括：本发明涉及车辆工程技术领域,公开一种半挂牵引车及辅助远光灯的控制方法。其中半挂牵引车包括驾驶室、主远光灯、辅助远光灯、车速识别装置、路况识别装置和整车控制器,主远光灯设置于驾驶室的下方；辅助远光灯设置于驾驶室的上方；车速识别装置用于检测半挂牵引车的行驶速度；路况识别装置用于检测半挂牵引车的路况；整车控制器通信连接于主远光灯、辅助远光灯、车速识别装置和路况识别装置。本发明辅助远光灯避开了恶劣的车辆布置环境,提升耐久性,增加了辅助远光灯的可靠性,增加了辅助远光灯的使用寿命；再者,根据该半挂牵引车的行驶速度以及半挂牵引车的行驶路况,通过整车控制器控制辅助远光灯的开闭,以提高辅助远光灯的使用安全性。(The invention relates to the technical field of vehicle engineering, and discloses a semi-trailer tractor and a control method of an auxiliary high beam. The semi-trailer tractor comprises a cab, a main high beam, an auxiliary high beam, a vehicle speed identification device, a road condition identification device and a vehicle control unit, wherein the main high beam is arranged below the cab; the auxiliary high beam is arranged above the cab; the vehicle speed identification device is used for detecting the running speed of the semi-trailer tractor; the road condition identification device is used for detecting the road condition of the semi-trailer tractor; the vehicle control unit is in communication connection with the main high beam, the auxiliary high beam, the vehicle speed recognition device and the road condition recognition device. The auxiliary high beam avoids a severe vehicle arrangement environment, improves the durability, increases the reliability of the auxiliary high beam, and prolongs the service life of the auxiliary high beam; and moreover, according to the running speed of the semi-trailer tractor and the running road condition of the semi-trailer tractor, the on-off of the auxiliary high beam is controlled by the vehicle control unit so as to improve the use safety of the auxiliary high beam.)

1. A semi-tractor, characterized in that it comprises:

a cab (1);

a main high beam (2) disposed below the cab (1);

an auxiliary high beam (3) disposed above the cab (1);

a vehicle speed recognition device for detecting a running speed of the semi-trailer tractor;

the road condition identification device is used for detecting the road condition of the semi-trailer tractor;

and the vehicle control unit is in communication connection with the main high beam (2), the auxiliary high beam (3), the vehicle speed identification device and the road condition identification device.

2. Semi-trailer tractor as claimed in claim 1, characterized in that the angle between the optical axis of the auxiliary high beam (3) and the ground is 1 ° -2 °, the height of the auxiliary high beam (3) being 3m-3.1 m.

3. The semi-trailer tractor according to claim 1, characterized in that the auxiliary high beam (3) comprises a face shield (32) and a protective shield (31), the face shield (32) is covered on the light source of the auxiliary high beam (3), the protective shield (31) is covered on the outer side of the face shield (32), the curvature of the face shield (32) and the curvature of the protective shield (31) are the same, the radius of curvature of the face shield (32) and the protective shield (31) is 1400mm-1500mm, and the distance between the face shield (32) and the protective shield (31) is 5mm-12 mm.

4. The semi-trailer tractor according to claim 1, characterized in that the auxiliary high beam (3) further comprises a light dimming mechanism (33), the operating end of the light dimming mechanism (33) is located inside the cab (1), and the light dimming mechanism (33) can adjust the included angle between the optical axis of the auxiliary high beam (3) and the ground.

5. The tractor semi-trailer of claim 1, wherein the road condition identification device comprises a GPS system and/or a camera system.

6. A control method of an auxiliary high beam for controlling a semi-trailer tractor according to any one of claims 1 to 5, the control method of the auxiliary high beam comprising the steps of:

judging whether the current vehicle speed is greater than or equal to a preset vehicle speed or not;

judging whether the semi-trailer tractor is in a preset working condition or not;

judging whether the semi-trailer tractor turns on the main high beam (2);

if the current speed is greater than or equal to the preset speed, the semi-trailer tractor is not in the preset working condition, and the auxiliary high beam (3) is automatically turned on when the main high beam (2) is in the on state.

7. The method for controlling an auxiliary high beam according to claim 6, wherein said auxiliary high beam (3) is prohibited from being turned on if said current vehicle speed is less than said preset vehicle speed.

8. The control method of an auxiliary high beam according to claim 6, characterized in that the auxiliary high beam (3) is prohibited from being turned on if the semi-tractor is in the preset condition.

9. The control method of an auxiliary high beam according to claim 6, wherein the preset conditions include country roads or town roads.

10. The control method of the auxiliary high beam according to claim 6, wherein if the current vehicle speed is greater than or equal to the preset vehicle speed, the semi-trailer tractor is not in the preset working condition, the main high beam (2) is not turned on by the semi-trailer tractor, and a signal for turning on the auxiliary high beam (3) is sent out to remind a user to turn on the auxiliary high beam (3) manually.

Technical Field

The invention relates to the technical field of vehicle engineering, in particular to a semi-trailer tractor and a control method of an auxiliary high beam.

Background

At present, the arrangement positions of auxiliary high beam lamps for domestic vehicles are all at lower positions of a front bumper and the like, on one hand, the structure of the bottom of a cab is compact, the auxiliary high beam lamps occupy larger space, the design difficulty is increased, and the production cost is increased; on the other hand, the arrangement environmental condition of driver's cabin bottom is more abominable, for example mud stain is more, and the far-reaching headlamp needs often clear up, and lamps and lanterns reliability is more difficult to guarantee, when the vehicle bumps in addition, causes the damage of supplementary far-reaching headlamp easily, increases the repair cost. Ensuring good sealing and resistance to mechanical vibrations requires a relatively high cost price for the lamp in terms of design and manufacture.

Accordingly, there is a need for a semi-trailer tractor and a method for controlling an auxiliary high beam to solve the above problems.

Disclosure of Invention

Based on the above, the present invention aims to provide a semi-trailer tractor and a control method of an auxiliary high beam, which can assist the high beam to avoid a severe vehicle layout environment, improve durability, increase reliability of the auxiliary high beam, increase service life of the auxiliary high beam, and reduce protection cost of the auxiliary high beam.

In order to achieve the purpose, the invention adopts the following technical scheme:

in one aspect, a semi-trailer tractor is provided, comprising:

a cab;

a main high beam disposed below the cab;

an auxiliary high beam disposed above the cab;

a vehicle speed recognition device for detecting a running speed of the semi-trailer tractor;

the road condition identification device is used for detecting the road condition of the semi-trailer tractor;

and the vehicle control unit is in communication connection with the main high beam, the auxiliary high beam, the vehicle speed identification device and the road condition identification device.

As a preferred technical scheme of the semi-trailer tractor, an included angle between the optical axis of the auxiliary high beam and the ground is 1-2 degrees, and the height of the auxiliary high beam is 3-3.1 m.

As a preferred technical scheme of semi-trailer tractor, supplementary high beam includes face guard and protection casing, the face guard cover is located the light source of supplementary high beam, the protection casing cover is located the outside of face guard, the face guard with the curvature of protection casing is the same, the radius of curvature of face guard with the protection casing is 1400mm-1500mm, the face guard with the interval of protection casing is 5mm-12 mm.

As an optimal technical scheme of a semi-trailer tractor, the auxiliary high beam further comprises a dimming mechanism, the operating end of the dimming mechanism is located inside the cab, and the dimming mechanism can adjust the optical axis of the auxiliary high beam and the included angle of the ground.

As a preferred technical scheme of the semi-trailer tractor, the road condition identification device comprises a GPS system and/or a camera system.

In another aspect, a control method of an auxiliary high beam for controlling a semi-trailer tractor as described above, the control method of the auxiliary high beam comprising the steps of:

judging whether the current vehicle speed is greater than or equal to a preset vehicle speed or not;

judging whether the semi-trailer tractor is in a preset working condition or not;

judging whether the semi-trailer tractor turns on a main high beam or not;

and if the current speed is greater than or equal to the preset speed, the semi-trailer tractor is not in the preset working condition, and the auxiliary high beam is automatically turned on when the main high beam is in an on state.

As an optimal technical solution of the control method of the auxiliary high beam, if the current vehicle speed is less than the preset vehicle speed, the auxiliary high beam is prohibited from being turned on.

As an optimal technical scheme of the control method of the auxiliary high beam, if the semi-trailer tractor is in the preset working condition, the auxiliary high beam is prohibited to be turned on.

As a preferred technical solution of the control method of the auxiliary high beam, the preset working condition includes a country road or a town road.

As an optimal technical scheme of the control method of the auxiliary high beam, if the current vehicle speed is greater than or equal to the preset vehicle speed, the semi-trailer tractor is not in the preset working condition, the main high beam is not turned on by the semi-trailer tractor, and an auxiliary high beam turning-on signal is sent out to remind a user to turn on the auxiliary high beam manually.

The invention has the beneficial effects that:

according to the invention, the main high beam is arranged below the cab, the auxiliary high beam is arranged above the cab, the severe vehicle arrangement environment is avoided by improving the installation position height of the auxiliary high beam, the durability is improved, the reliability of the auxiliary high beam is increased, the service life of the auxiliary high beam is prolonged, and the protection cost of the auxiliary high beam is reduced; on the other hand, supplementary high beam sets up in the top of driver's cabin, and because the top of driver's cabin relates to spare part less, the space that supplementary high beam can allow to arrange is great, reduces the design degree of difficulty, and the body of supplementary high beam is located the ceiling of driver's cabin, and vibration condition and dustproof and waterproof condition obtain optimizing. And moreover, according to the running speed of the semi-trailer tractor and the running road condition of the semi-trailer tractor, the on-off of the auxiliary high beam is controlled by the vehicle control unit so as to improve the use safety of the auxiliary high beam.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a schematic structural view of a semi-tractor according to an embodiment of the present invention;

FIG. 2 is a front view of a semi-tractor provided by an embodiment of the present invention;

fig. 3 is a flowchart of a control method for an auxiliary high beam according to an embodiment of the present invention.

The figures are labeled as follows:

1. a cab; 2. a main high beam; 3. an auxiliary high beam; 31. a protective cover; 32. a face mask; 33. a dimming mechanism; 34. a rear shield; 341. and (4) a cover.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 and 2, the present embodiment provides a semi-trailer tractor, which includes a cab 1, a main high beam 2, an auxiliary high beam 3, a vehicle speed recognition device, a road condition recognition device, and a vehicle control unit.

Specifically, the main high beam 2 is disposed below the cab 1; the auxiliary high beam 3 is arranged above the cab 1; the mounting position height of the auxiliary high beam 3 is increased, so that a severe vehicle arrangement environment is avoided, the durability is improved, the reliability of the auxiliary high beam 3 is improved, the service life of the auxiliary high beam 3 is prolonged, and the protection cost of the auxiliary high beam 3 is reduced; on the other hand, supplementary high beam 3 sets up in the top of driver's cabin 1, and because the top of driver's cabin 1 relates to spare part less, supplementary high beam 3 can allow the space of arranging great, reduces the design degree of difficulty, and in this embodiment, the body of supplementary high beam 3 is located the ceiling of driver's cabin 1, and vibration condition and dustproof and waterproof condition are optimized.

The vehicle speed identification device is used for detecting the running speed of the semi-trailer tractor; the road condition identification device is used for detecting the road condition of the semi-trailer tractor; the vehicle control unit is in communication connection with the main high beam 2, the auxiliary high beam 3, the vehicle speed recognition device and the road condition recognition device. According to the driving speed of the semi-trailer tractor and the driving road condition of the semi-trailer tractor, the opening and closing of the auxiliary high beam 3 are controlled through the vehicle control unit, so that the use safety of the auxiliary high beam 3 is improved. In this embodiment, the road condition recognition device includes a GPS system and/or a camera system to recognize whether the semi-tractor is driven on a rural road or a town road.

Preferably, the included angle between the optical axis of the auxiliary high beam 3 and the ground is 1-2 degrees, and the height of the auxiliary high beam 3 is 3m-3.1 m. Further preferably, the auxiliary high beam 3 is two, and is arranged above the cab 1 at intervals along the horizontal direction, and the distance between the two auxiliary high beam 3 is greater than 2.2m, so as to improve the irradiation performance. Because the auxiliary high beam 3 is positioned at a higher height, the illumination distance is farther, the illumination range is larger, the road surface illumination distance is ensured to reach 180m in front of the vehicle, the limit illumination distance reaches more than 290m, and the illumination coverage width range reaches more than 20 m. In this embodiment, the optical axis of the auxiliary high beam 3 matches with the optical axis of the main high beam 2 to achieve the optimal road surface illumination effect, so as to achieve a better illumination range and complete optimization and promotion of the vehicle comprehensive road surface illumination performance.

Preferably, the auxiliary high beam 3 further comprises a dimming mechanism 33, an operating end of the dimming mechanism 33 is located inside the cab 1, and the dimming mechanism 33 can adjust an included angle between an optical axis of the auxiliary high beam 3 and the ground. In this embodiment, dimming mechanism 33 sets up inside driver's cabin 1 completely, improves dimming mechanism 33's environmental quality, prevents that outside silt from gluing and leading to the problem of jamming on dimming mechanism 33.

Preferably, the auxiliary high beam 3 further includes a rear shield 34, and the rear shield 34 is covered on the dimming mechanism 33 to protect the dimming mechanism 33 and hide the dimming mechanism 33 for aesthetic reasons. The rear cover 34 is provided with an operation hole, the cover 341 is detachably mounted to the operation hole, and the operation end of the dimming mechanism 33 is operated to adjust the high beam 3 by opening the cover 341. Dimming mechanism 33 is last to set for the moment of torsion and the speed ratio of adjusting luminance, and convenient manual light control of adjusting luminance opens shroud 341 of back guard shield 34, can adjust luminance the operation in driver's cabin 1, possesses fine convenience of adjusting luminance. It should be noted that the dimming mechanism 33 is a conventional arrangement in the art, and will not be described herein.

Preferably, the auxiliary high beam 3 further comprises a face shield 32 and a protective cover 31, the face shield 32 covers the light source of the auxiliary high beam 3, the protective cover 31 covers the outer side of the face shield 32, the curvatures of the face shield 32 and the protective cover 31 are the same, the curvature radiuses of the face shield 32 and the protective cover 31 are 1400mm-1500mm, the scattering effect of the curved surface on the light beam is reduced as much as possible under the condition that the wind resistance performance of the whole vehicle is not affected, and the light efficiency is improved; the distance between the face mask 32 and the shield 31 is 5mm to 12mm, and the smaller the distance, the better the irradiation performance. In this embodiment, the protective cover 31 provides an external protective condition for the auxiliary high beam 3, so that the face cover 32 of the auxiliary high beam 3 is not impacted or scratched by sand, wind, rain, and foreign matter outside the vehicle. In this embodiment, the protective cover 31 is connected to the sheet metal of the vehicle body above the cab 1 by polyurethane adhesive, and the difference between the surfaces of the face shield 32 and the protective cover 31 needs to be controlled to ± 0.2, so as to reduce the generation of uncomfortable veiling glare after the light beam passes through the face shield 32 and the protective cover 31. The data such as radian, curvature, clearance of the surfaces of the protective cover 31 and the face shield 32 are reasonably selected, the problems of maximum transmissivity and small scattering rate are solved, and the illumination performance is improved.

Since the auxiliary high beam 3 is disposed above the cab 1, in order to meet the safety lighting requirement, the auxiliary high beam 3 is individually turned on and off by a specific control logic and control method. As shown in fig. 3, the present embodiment further provides a control method of an auxiliary high beam for controlling the semi-trailer tractor, including: judging whether the current vehicle speed is greater than or equal to a preset vehicle speed or not; judging whether the semi-trailer tractor is in a preset working condition or not; judging whether the main high beam 2 is turned on by the semi-trailer tractor or not; if the current speed of a motor vehicle is greater than or equal to the preset speed of a motor vehicle, the semi-trailer tractor is not in the preset working condition, and the main high beam 2 is in the open state, the auxiliary high beam 3 is automatically opened.

Specifically, when the semi-trailer tractor runs, the running speed of the semi-trailer tractor is detected through a vehicle speed identification device; the road condition recognition device detects the road condition of the semi-trailer tractor, and the vehicle control unit controls the auxiliary high beam 3 to be automatically turned on only when the current vehicle speed is greater than or equal to the preset vehicle speed and the semi-trailer tractor is not in the preset working condition and the main high beam 2 is in the on state. In order to improve the safety of the use of the auxiliary high beam 3, the auxiliary high beam 3 is prohibited to be turned on if the current vehicle speed is less than the preset vehicle speed. If the semi-trailer tractor is in when predetermineeing the operating mode, forbid opening supplementary high beam 3, prevent that supplementary high beam 3 from disturbing pedestrian or the vehicle of coming and going.

Preferably, the preset conditions include country roads or town roads. In other embodiments, the preset condition may also be other conditions that are not suitable for turning on the auxiliary high beam 3.

Further, if the current speed of a motor vehicle is greater than or equal to and predetermines the speed of a motor vehicle, the semi-mounted tractor is not in and predetermines the operating mode, and main high beam 2 is not opened to the semi-mounted tractor, sends and opens supplementary high beam 3 signal to remind the user to manually open supplementary high beam 3, the user can manually open supplementary high beam 3, improves driving safety. When the auxiliary high beam 3 is not needed, the auxiliary high beam 3 can be manually turned off in any situation.

In this embodiment, the control strategy for assisting the turning on and off of the high beam 3 realizes safe illumination and improves the driving safety of the semi-trailer tractor.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.