High and low elevation angle headlight and control method thereof, automobile

Abstract

The present invention provides a high-angle and low-angle headlight, a control method thereof, and an automobile. The high-angle headlight comprises a lamp head, a headlight frame, and a gyroscopic sensing device; wherein the lamp head can be rotatably arranged in the headlight frame; the gyroscopic sensing device is connected to the lamp head via a driving mechanism; the gyroscopic sensing device can drive the lamp head to rotate in the rotation direction according to the rotation direction detected by the gyroscopic sensing device via the driving mechanism; the technical solution provided by the present invention can make the illumination angle of the headlight larger, be more sensitive to high and low sensing, and better achieve the illumination angle through the cooperation of the driving mechanism and the gyroscopic sensing device, and can solve the problem of the vehicle passing through a slope or turning, and can realize that the illumination distance of the headlight changes with the slope and the curve, thereby achieving a better road illumination effect and improving safety.

Description

Technical Field

[0001] The invention belongs to the technical field of high and low angle headlights, and in particular relates to a high and low angle headlight, a control method thereof, and a vehicle. Background Art

[0002] The existing AFS follow-up steering system is highly dependent on chips and has limited left and right lighting angles for the car. At the same time, the headlights on the car have a slow response to the height changes of the slope, which can easily lead to insufficient lighting when the car is on a slope or turning, posing a safety hazard.

[0003] Based on the technical problems existing in the above-mentioned automobile headlights, there is no relevant solution yet; therefore, it is urgent to find an effective solution to solve the above-mentioned problems. Summary of the Invention

[0004] The purpose of the present invention is to address the shortage of chips and the shortcomings of the above-mentioned technologies, and to propose a high and low angle headlight and its control method and automobile, aiming to solve one of the problems of existing AFS headlights, such as insufficient illumination angle and slow response to high and low illumination.

[0005] The present invention provides a high and low angle headlight, which includes a lamp head, a headlight frame and a gyroscopic sensing device; the lamp head can be rotatably arranged in the headlight frame; the gyroscopic sensing device is connected to the lamp head through a driving mechanism; the gyroscopic sensing device can drive the lamp head to rotate in the rotation direction according to the rotation direction detected by the gyroscopic sensing device and the driving mechanism.

[0006] Furthermore, the driving mechanism includes a driving motor, a rotating gear and a stretching rod; the output end of the driving motor is connected to the rotating gear, thereby driving the rotating gear to rotate; one end of the stretching rod is connected to the lamp head, and the other end of the stretching rod is engaged with the rotating gear through gear teeth; the driving motor is also electrically connected to the gyro sensing device, and the driving motor can drive the lamp head to rotate in the rotation direction by driving the stretching rod according to the rotation direction detected by the gyro sensing device.

[0007] Furthermore, the driving mechanism also includes a gear fixing frame, on which the rotating gear is rotatably arranged through a gear shaft, and the gear shaft is provided with a supporting gear shaft along its axial direction; the supporting gear shaft is transmission-connected to the output end of the driving motor and can drive the rotating gear to rotate or lock; one end of the stretching rod is connected to the end of the lamp holder through a light stretching connection point.

[0008] Furthermore, the gyro sensing device includes a left-side control system of the gyro and a right-side control system of the gyro, the drive motor includes a left-side drive motor and a right-side drive motor, the rotating gear includes a left-side rotating gear and a right-side rotating gear, and the stretching rod includes a left-side stretching rod and a right-side stretching rod; the left-side drive motor is electrically connected to the left-side control system of the gyro, the left-side rotating gear is transmission-connected to the left-side drive motor, and the left-side rotating gear is also engaged with the left-side gear on the left-side stretching rod; the right-side drive motor is electrically connected to the right-side control system of the gyro, the right-side rotating gear is transmission-connected to the right-side drive motor, and the right-side rotating gear is also engaged with the right-side gear on the right-side stretching rod; the left-side control system of the gyro is used to detect the leftward rotation direction, and drives the left-side stretching rod by the left-side drive motor to drive the lamp head to rotate to the left; the right-side control system of the gyro is used to detect the rightward rotation direction, and drives the right-side stretching rod by the right-side drive motor to drive the lamp head to rotate to the right.

[0009] Furthermore, the gyro sensing device also includes a gyro lower control system and a gyro upper control system, the drive motor also includes an upper drive motor and a lower drive motor, the rotating gear also includes an upper rotating gear and a lower rotating gear, and the stretching rod also includes an upper stretching rod and a lower stretching rod; the lower drive motor is electrically connected to the gyro lower control system, the lower rotating gear is transmission-connected to the lower drive motor, and the lower rotating gear is also meshed with the lower gear on the lower stretching rod; the upper drive motor is electrically connected to the gyro upper control system, the upper rotating gear is transmission-connected to the upper drive motor, and the upper rotating gear is also meshed with the upper gear on the upper stretching rod; the gyro lower control system is used to detect the downward rotation direction, and drives the lower stretching rod to drive the lamp head to rotate downward through the lower drive motor; the gyro upper control system is used to detect the upward rotation direction, and drives the upper stretching rod to drive the lamp head to rotate upward through the upper drive motor.

[0010] Furthermore, the front end of the lamp head protrudes from the headlight frame and is provided with a light-transmitting mirror; the upper and lower ends of the lamp head are respectively rotatably set at the upper and lower ends of the headlight frame through the lamp head limiting shaft; the left and right ends of the lamp head are respectively rotatably set at the left and right ends of the headlight frame through the light limiting shaft; when the driving motor drives the stretching rod to drive the lamp head to rotate to the left or right, the upper and lower ends of the lamp head respectively rotate around the lamp head limiting shaft; when the driving motor drives the stretching rod to drive the lamp head to rotate upward or downward, the left and right ends of the lamp head respectively rotate around the light limiting shaft.

[0011] Furthermore, the high and low angle headlights are AFS headlights for cars; the gyro sensing device detects the right turn of the car, thereby driving the lamp head to the right through the driving mechanism on the right; the gyro sensing device also detects the left turn of the car, thereby driving the lamp head to the left through the driving mechanism on the left; the gyro sensing device also detects the uphill movement of the car, thereby driving the lamp head to the upward direction through the upper driving mechanism; the gyro sensing device also detects the downhill movement of the car, thereby driving the lamp head to the downward direction through the driving mechanism on the lower part.

[0012] Furthermore, when the driving mechanism on the right side drives the lamp head to rotate in the right direction, the driving mechanism on the left side drives the lamp head to rotate in the right direction.

[0013] Furthermore, when the driving mechanism on the left drives the lamp head to rotate leftward, the driving mechanism on the right drives the lamp head to rotate leftward.

[0014] Furthermore, when the upper driving mechanism drives the lamp head to rotate upward, the lower driving mechanism drives the lamp head to rotate upward.

[0015] Furthermore, when the lower driving mechanism drives the lamp head to rotate downward, the upper driving mechanism drives the lamp head to rotate downward.

[0016] Accordingly, the present invention also provides a method for controlling high and low angle headlights, the method comprising the following steps:

[0017] When the left gyro control system in the gyro sensing device detects a left rotation signal, it sends a driving signal to the left drive motor, so that the left drive motor drives the left stretch rod to drive the lamp head to rotate to the left;

[0018] When the right gyro control system in the gyro sensing device detects a rightward rotation signal and sends a driving signal to the right drive motor, the right drive motor drives the right stretch rod to drive the lamp head to rotate to the right;

[0019] When the gyro upper control system in the gyro sensing device detects an upward signal and sends a driving signal to the upper drive motor, the upper drive motor drives the upper stretch rod to drive the lamp head to rotate upward;

[0020] When the gyro lower control system in the gyro sensing device detects a downward signal and sends a driving signal to the lower drive motor, the lower drive motor drives the lower stretching rod to drive the lamp head to rotate downward.

[0021] Furthermore, the high and low angle headlights are AFS headlights for cars;

[0022] The left side gyro control system detects when the car turns left, so that the left side drive motor drives the left side stretch rod to drive the lamp head to rotate to the left;

[0023] The right side gyro control system detects when the car turns right, so that the right side drive motor drives the right side stretch rod to drive the lamp head to rotate to the right;

[0024] The gyro upper control system detects when the car is going uphill, so that the upper drive motor drives the upper stretch rod to drive the lamp head to rotate upward;

[0025] The gyro lower control system detects when the car is going downhill, so that the lower drive motor drives the lower stretch rod to drive the lamp head to rotate downward.

[0026] Furthermore, when the left driving motor drives the left stretching rod to drive the lamp head to rotate to the left, the right driving motor simultaneously drives the right stretching rod to drive the lamp head to rotate to the left.

[0027] Furthermore, when the right driving motor drives the right stretching rod to drive the lamp head to rotate to the right, the left driving motor simultaneously drives the left stretching rod to drive the lamp head to rotate to the right.

[0028] Furthermore, when the upper driving motor drives the upper stretching rod to drive the lamp head to rotate upward, the lower driving motor simultaneously drives the lower stretching rod to drive the lamp head to rotate upward.

[0029] Furthermore, when the lower driving motor drives the lower stretching rod to drive the lamp head to rotate downward, the upper driving motor simultaneously drives the upper stretching rod to drive the lamp head to rotate downward.

[0030] Correspondingly, the present invention also provides a car, comprising high and low angle headlights, wherein the high and low angle headlights are the high and low angle headlights described above.

[0031] The technical solution provided by the present invention, through the cooperation of the driving mechanism and the gyroscopic sensing device, can make the angle of illumination of the headlights larger, be more sensitive to height sensing, and better achieve the illumination angle while reducing the use of chips. It can solve the problem that when the vehicle passes through slopes and turns, the headlights can change the illumination distance as the slopes and turns change, thereby achieving better road illumination effects and improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0033] The present invention will be further described below with reference to the accompanying drawings:

[0034] Figure 1 This is a front view of a high and low elevation angle headlight of the present invention;

[0035] Figure 2A top view of a high and low elevation angle headlight of the present invention;

[0036] Figure 3 The figure is a side view of a high and low elevation angle headlight of the present invention.

[0037] In the figure: 1. Gear shaft; 2. Upper stretch rod; 3. Headlight frame; 4. Light-transmitting mirror; 5. Left rotating gear; 6. Gear teeth; 7. Left stretch rod; 8. Lower gear shaft; 9. Lower stretch rod; 10. Right stretch rod; 11. Gear fixing frame; 12. Left rotating gear; 13. Gyro left control system; 14. Gyro lower control system; 15. Support gear shaft; 16. Lamp head limit shaft; 17. Light limit shaft; 18. Light limit area; 19. Light stretch connection point; 20. Gyro sensing device; 21. Gyro upper control system; 22. Gyro right control system. DETAILED DESCRIPTION

[0038] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0039] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0040] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined. "Several" means one or more, unless otherwise specifically defined.

[0041] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0042] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and may encompass internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0043] As shown in Figure 1 to Figure 3 As shown, the present invention provides a high- and low-angle headlight, particularly an AFS high- and low-angle headlight for automobiles. Specifically, the headlight comprises a lamp head, a headlight frame 3, and a gyroscopic sensing device 20. The lamp head is rotatably disposed within the headlight frame 3, which secures the lamp head portion within the frame to facilitate position limiting and control of the elevation angle. The gyroscopic sensing device 20 is connected to the lamp head via a driving mechanism. The gyroscopic sensing device 20 can drive the lamp head in the direction of rotation based on the rotation direction detected by the gyroscopic sensing device. The direction detection by the gyroscopic sensing device enables more accurate left and right illumination angles. The motor control and internal gyroscopic sensing system sense road conditions, enabling adjustment of illumination to the road slope and left and right turn illumination. The high- and low-angle headlight, in combination with the driving mechanism and the gyroscopic sensing device, achieves better adaptation of the automobile lighting to the road conditions and application scenarios, achieving optimal illumination effects, providing basic lighting support for safe driving, and resolving the issues of insufficient illumination angles and lack of high and low-angle illumination in AFS headlights.

[0044] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3As shown, the driving mechanism includes a driving motor, a rotating gear and a stretching rod, and the stretching rod is mainly used to stretch the lamp head, so as to adjust the illumination angle of the lamp head; specifically, the output end of the driving motor is connected to the rotating gear, so as to drive the rotating gear to rotate; further, one end of the stretching rod is connected to the lamp head, and the other end of the stretching rod is engaged with the rotating gear through the gear teeth 6, so that the stretching rod can be driven to move telescopically through the rotating gear; further, the driving motor is also electrically connected to the gyro sensing device 20, and the driving motor can drive the lamp head to rotate in the rotation direction by driving the stretching rod according to the rotation direction detected by the gyro sensing device 20; as the embodiment of the present invention In one driving mode of the embodiment, the driving motor drives the extension and retraction of the stretching rod through preset parameters, thereby realizing angle adjustment; for example: in the left driving mechanism: the left driving motor drives the left rotating gear to turn right, thereby driving the left stretching rod 7 forward to the preset position, and the process is that the left stretching rod 7 drives the lamp head to rotate to the right; correspondingly, the left driving motor drives the left rotating gear to turn left, thereby driving the left stretching rod 7 to retract to the preset position, and the process is that the left stretching rod 7 drives the lamp head to rotate to the left, and the left rotating gear rotates left in this process; accordingly, in the right driving mechanism, its working principle is opposite to that of the left driving mechanism, and will not be repeated here.

[0045] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3As shown, the driving mechanism also includes a gear fixing frame 11, which mainly supports the right gear, plays the role of driving and supporting the rotating gear, and at the same time receives information transmitted by the gyro sensing system to perform the task of starting the gear; further, the rotating gear is rotatably set on the gear fixing frame 11 through the gear shaft 1, and the gear shaft 1 is provided with a supporting gear shaft 15 along its axial direction; specifically, the supporting gear shaft 15 is transmission-connected to the output end of the driving motor, and can drive the rotating gear to rotate or lock; further, one end of the stretching rod is connected to the end of the lamp holder through the light stretching connection point 19, and the other end of the stretching rod; further, the stretching rod includes an upper stretching rod 2, a left stretching rod 7, a lower stretching rod 9 and a right stretching rod 10; specifically, the other end of the upper stretching rod 2 is meshed with the upper rotating gear through the gear teeth 6, and the other end of the lower stretching rod 9 is meshed with the lower rotating gear through the gear teeth 6, and the lower rotating gear is meshed with the gear teeth 6. The lower gear shaft 8 is rotated and set on the gear fixing frame 11. The other end of the left stretching rod 7 is meshed with the left rotating gear 12 through the gear teeth 6, and the other end of the right stretching rod 10 is meshed with the right rotating gear through the gear teeth 6, thereby performing transmission connection along four directions to realize rotation adjustment in the four directions of up, down, left and right; specifically, the left rotating gear 5 mainly realizes the stretching of the lamp head to the left, and drives the connecting part to work through the gear teeth; the left stretching rod 7 mainly realizes the effect of stretching the light to the left through the left stretching rod; the lower gear shaft 8 mainly drives the lower gear to work through the action of the lower gear shaft; the lower stretching rod 9 mainly realizes the downward stretching effect on the lamp head through the lower stretching rod; the right stretching rod 10 mainly realizes the extension effect of the lamp head to the right through the right stretching rod; the left rotating gear 12 drives the left gear stretching rod 7 to stretch through the gear, so as to adjust the stretching angle of the left headlight.

[0046] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3As shown, the gyro sensing device 20 includes a gyro left control system 13 and a gyro right control system 22; accordingly, the drive motor includes a left drive motor and a right drive motor; accordingly, the rotating gear includes a left rotating gear 5 and a right rotating gear; accordingly, the stretching rod includes a left stretching rod 7 and a right stretching rod 10; specifically, the left drive motor is electrically connected to the gyro left control system 13, the left rotating gear 5 is transmission-connected to the left drive motor, and the left rotating gear 5 is also meshed with the left gear 12 on the left stretching rod 7; accordingly, the right drive motor is electrically connected to the gyro right control system 22, and the right rotating gear is connected to the right drive motor. The left side of the gyro is connected to the right side of the steering wheel, and the right rotating gear is also engaged with the right gear on the right side of the stretching rod 10; specifically, the left side control system 13 of the gyro can be used to detect the left rotation direction, and drive the left side stretching rod 7 to rotate the lamp head to the left through the left drive motor, thereby realizing the left turn adjustment angle of the headlight, and then cooperating with the AFS follow-up steering system to illuminate the headlight to the left; further, the right side control system 22 of the gyro can be used to detect the right rotation direction, and drive the right side stretching rod 10 to rotate the lamp head to the right through the right drive motor, thereby realizing the right turn adjustment angle of the headlight, and then cooperating with the AFS follow-up steering system to illuminate the headlight to the right.

[0047] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, the gyro sensing device 20 also includes a gyro lower control system 14 and a gyro upper control system 21; accordingly, the drive motor also includes an upper drive motor and a lower drive motor; accordingly, the rotating gear also includes an upper rotating gear and a lower rotating gear; accordingly, the stretching rod also includes an upper stretching rod 2 and a lower stretching rod 9; specifically, the lower drive motor is electrically connected to the gyro lower control system 14, the lower rotating gear is transmission-connected to the lower drive motor, and the lower rotating gear is also meshed with the lower gear on the lower stretching rod 9; the upper drive motor is electrically connected to the gyro upper control system 21, and the upper rotating gear is transmission-connected to the upper drive motor. The upper rotating gear is also meshed with the upper gear on the upper stretch rod 2; specifically, the gyro lower control system 14 can be used to detect the downward rotation direction, and drive the lower stretch rod 9 to rotate the lamp head in the downward direction through the lower drive motor, thereby realizing the downward adjustment of the headlight angle, and then cooperating with the AFS follow-up steering system to illuminate the headlight downward; the gyro upper control system 21 is used to detect the upward rotation direction, and drive the upper stretch rod 12 to rotate the lamp head in the upward direction through the upper drive motor, thereby realizing the upward adjustment of the headlight angle, and then cooperating with the AFS follow-up steering system to illuminate the headlight upward.

[0048] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3As shown, the front end of the lamp head protrudes from the headlight frame 3 and is provided with a light-transmitting mirror 4, which is mainly used to transmit the bright light emitted by the lamp; the upper and lower ends of the lamp head are respectively rotatably arranged at the upper and lower ends of the headlight frame 3 through the lamp head limiting shaft 16; the left and right ends of the lamp head are respectively rotatably arranged at the left and right ends of the headlight frame 3 through the light limiting shaft 17; when the driving motor drives the stretching rod to drive the lamp head to the left or right direction, the upper and lower ends of the lamp head respectively rotate around the lamp head limiting shaft 16; when the driving motor drives the stretching rod to drive the lamp head to the left or right direction, the upper and lower ends of the lamp head respectively rotate around the lamp head limiting shaft 16; When rotating in the up or down direction, the left and right ends of the lamp head rotate around the light limit axis 17 respectively; specifically, the lamp head limit axis 16 mainly limits the height and elevation angles and free rotation angles of the upper lamp head to avoid overload; the light limit axis 17 mainly limits the height and elevation angles and free rotation angles of the left lamp head to avoid overload; the light limit area 18 mainly limits the height and elevation angles and free rotation angle areas of the light limit axis; the light stretching connection point 19 is connected to the lamp head through a stretching rod, which plays the role of pulling the lamp head.

[0049] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, the high and low angle headlights are AFS headlights for automobiles, which can work in real time with the AFS follow-up steering system; the gyro sensing device 20 detects the right turn of the automobile, thereby driving the lamp head to the right through the right driving mechanism; the gyro sensing device 20 also detects the left turn of the automobile, thereby driving the lamp head to the left through the left driving mechanism; the gyro sensing device 20 also detects the uphill movement of the automobile, thereby driving the lamp head to the upward direction through the upper driving mechanism; the gyro sensing device 20 also detects the downhill movement of the automobile, thereby driving the lamp head to the downward direction through the lower driving mechanism; further, the gyro sensing system in the gyro sensing device 20 can It can sense the height of the road and the left and right steering of the vehicle and control the motor to adjust the lighting angle; specifically, the gyro left control system 13 transmits the left steering angle to control the left drive motor to control the left steering angle of the headlight; the gyro lower control system 14 transmits the downhill slope to control the lower drive motor to control the downward tilt angle of the headlight; the gyro upper control system 21 transmits the upper pitch angle to control the lower drive motor to control the pitch angle of the headlight; the gyro right control system 22 transmits the right steering angle to control the right drive motor to control the right steering angle of the headlight, thereby cooperating with the car's AFS follow-up steering system to adjust the angle of the AFS headlight in real time.

[0050] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, when the driving mechanism on the right drives the lamp head to rotate to the right, the driving mechanism on the left drives the lamp head to rotate to the right;

[0051] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, when the driving mechanism on the left drives the lamp head to rotate leftward, the driving mechanism on the right drives the lamp head to rotate leftward;

[0052] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, when the upper driving mechanism drives the lamp head to rotate upward, the lower driving mechanism drives the lamp head to rotate upward;

[0053] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, when the lower driving mechanism drives the lamp head to rotate downward, the upper driving mechanism drives the lamp head to rotate downward;

[0054] Combined with the above scheme, as shown in Figure 1 to Figure 3 As shown, the high and low angle headlights provided by the present invention are used in automobiles in the following scenarios: when the vehicle is driving on the road at night,

[0055] (1) When the car turns right, the right gyro control system 22 receives the steering information and transmits the right steering information to the right drive motor through the gyro sensing system, driving the gear to rotate to the right, thereby driving the right stretch rod 10 and the right light stretch connection point 19 to extend and retract; the gyro sensing system transmits the right steering information to the left drive motor, driving the left rotating gear 5 to rotate to the right, driving the left stretch rod 7 through the gear teeth 6, pushing the left light stretch connection point 19, and cooperating to push the vehicle headlight to turn right; the upper lamp head limit shaft 16 rotates to the right at the same time, and the left light limit area 18 and light limit shaft 17 move forward into the limit interval, and the right light limit area 18 and light limit shaft 17 move forward into the limit interval, thereby controlling the steering angle of the headlight;

[0056] (2) When the car turns left, the left gyro control system 13 receives the steering information and transmits the left steering information to the left drive motor through the gyro sensing system, driving the left rotating gear 5 to rotate to the left, driving the left stretching rod 7 through the gear teeth, and driving the left light stretching connection point 19 to extend and retract; the synchronous gyro sensing system transmits the left steering information to the right drive motor, driving the right stretching rod 10, driving the right light stretching connection point 19, and cooperating to push the headlight to turn left; the synchronous upper lamp head limit shaft 16 rotates left, the left light limit area 18 and light limit shaft 17 move backward into the limit interval, and the right light limit area 18 and light limit shaft 17 move forward into the limit interval, controlling the steering angle of the headlight, thereby pulling the headlight to turn left;

[0057] (3) When the car is traveling uphill, the gyro upper control system 21 receives the upward information and transmits the upward elevation angle information to the upper drive motor through the gyro sensing system. The upper drive motor starts to drive the upper gear shaft 1 to open, thereby driving the gear on the upper stretch rod 2 and driving the lamp head to move upward. Synchronously, the upward elevation angle information is transmitted to the lower drive motor. The lower drive motor starts to drive the lower gear shaft to open, driving the gear on the lower stretch rod 9 and driving the bottom of the lamp head to move upward synchronously, thereby realizing uphill elevation lighting.

[0058] (4) When the car is driving downhill, the gyro lower control system 14 receives the downward information and transmits the downward tilt angle information to the lower drive motor through the gyro sensing system. The lower drive motor starts to drive the gear shaft at the bottom to open, and drives the gear on the lower stretching rod 9 to stretch the lamp head downward, driving the lamp head to tilt downward; the downward tilt angle information is synchronously transmitted to the upper drive motor, and the upper drive motor starts to drive the gear shaft 1 at the top to open, and drives the gear on the upper stretching rod 2, and drives the bottom of the lamp head to tilt downward synchronously, thereby realizing downhill tilt lighting.

[0059] Accordingly, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, the present invention also provides a method for controlling high and low angle headlights, the control method comprising the following steps:

[0060] When the gyro left control system 13 in the gyro sensing device 20 detects a left rotation signal and sends a driving signal to the left drive motor, the left drive motor drives the left stretching rod 7 to drive the lamp head to rotate to the left;

[0061] When the gyro right control system 22 in the gyro sensing device 20 detects a rightward rotation signal and sends a driving signal to the right driving motor, the right driving motor drives the right stretching rod 10 to drive the lamp head to rotate to the right;

[0062] When the gyro upper control system 21 in the gyro sensing device 20 detects an upward signal and sends a driving signal to the upper drive motor, the upper drive motor drives the upper stretching rod 2 to drive the lamp head to rotate upward;

[0063] When the gyro lower control system 14 in the gyro sensing device 20 detects a downward signal, it sends a driving signal to the lower driving motor, thereby causing the lower driving motor to drive the lower stretching rod 9 to drive the lamp head to rotate downward.

[0064] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, the high and low angle headlights are the AFS headlights of the car. The AFS headlights of the car can work in real time with the AFS follow-up steering system; specifically:

[0065] The gyro left control system 13 detects when the car turns left, so that the left drive motor drives the left stretch rod 7 to drive the lamp head to the left, thereby realizing the left lighting of the car;

[0066] The gyro right control system 22 detects when the car turns right, so that the right drive motor drives the right stretch rod 10 to drive the lamp head to rotate to the right, thereby realizing right lighting of the car;

[0067] The gyro upper control system 21 detects when the car is going uphill, so that the upper drive motor drives the upper stretch rod 2 to drive the lamp head to rotate upward, thereby realizing upward lighting of the car;

[0068] The gyro lower control system 14 detects when the car is going downhill, thereby causing the lower drive motor to drive the lower stretch rod 9 to drive the lamp head to rotate downward, thereby realizing downward lighting of the car.

[0069] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, when the left driving motor drives the left stretching rod 7 to drive the lamp head to rotate to the left, the right driving motor simultaneously drives the right stretching rod 10 to drive the lamp head to rotate to the left, thereby improving the transmission stability of left-facing lighting.

[0070] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, when the right driving motor drives the right stretching rod 10 to drive the lamp head to rotate to the right, the left driving motor simultaneously drives the left stretching rod 7 to drive the lamp head to rotate to the right, thereby improving the transmission stability of rightward lighting.

[0071] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, when the upper driving motor drives the upper stretching rod 2 to drive the lamp head to rotate upward, the lower driving motor simultaneously drives the lower stretching rod 9 to drive the lamp head to rotate upward, thereby improving the transmission stability of upward lighting.

[0072] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, when the lower driving motor drives the lower stretching rod 9 to drive the lamp head to rotate downward, the upper driving motor simultaneously drives the upper stretching rod 2 to drive the lamp head to rotate downward, thereby improving the transmission stability of downward lighting.

[0073] Accordingly, in combination with the above scheme, as shown in Figures 1 to Figure 3 As shown, the present invention also provides a car, including high and low elevation angle headlights, and the high and low elevation angle headlights are the high and low elevation angle headlights described above.

[0074] The technical solution provided by the present invention reduces the use of chips through the cooperation of a driving mechanism and a gyroscopic sensing device; through mechanical control, the lighting angle of the headlights can be made larger, the height sensing can be made more sensitive, and the lighting angle can be better achieved. It can solve the problem of the vehicle passing through slopes and turns, and the lighting distance of the headlights can change with the changes in the slopes and turns, thereby achieving a better road illumination effect, improving safety, and reducing the impact of chip dependence on automobile lamps.

[0075] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Any person skilled in the art can, without departing from the scope of the technical solution of the present invention, make many possible changes and modifications to the technical solution of the present invention using the above technical content, or modify it into an equivalent embodiment with equivalent changes. Therefore, any changes, modifications, equivalent changes, and modifications made to the above embodiments based on the technology of the present invention without departing from the content of the technical solution of the present invention shall fall within the scope of protection of the present technical solution.

Claims

1. A high and low elevation headlight, characterized in that: The elevation headlight comprises a lamp head, a headlight frame (3), and a gyroscopic sensing device (20); the lamp head is rotatably arranged in the headlight frame (3); the gyroscopic sensing device (20) is connected to the lamp head via a driving mechanism; the gyroscopic sensing device (20) can drive the lamp head to rotate in the rotation direction according to the rotation direction detected by the gyroscopic sensing device and via the driving mechanism; The driving mechanism comprises a driving motor, a rotating gear and a stretching rod; the output end of the driving motor is in transmission connection with the rotating gear, thereby being able to drive the rotating gear to rotate; one end of the stretching rod is connected to the lamp holder, and the other end of the stretching rod is meshed with the rotating gear through gear teeth (6); the driving motor is also electrically connected to the gyro sensing device (20), and the driving motor can drive the lamp holder to rotate in the rotation direction by driving the stretching rod according to the rotation direction detected by the gyro sensing device (20); The front end of the lamp head protrudes from the headlight frame (3) and is provided with a light-transmitting mirror (4); the upper and lower ends of the lamp head are respectively rotatably arranged on the upper and lower ends of the headlight frame (3) through a lamp head limiting shaft (16); the left and right ends of the lamp head are respectively rotatably arranged on the left and right ends of the headlight frame (3) through a light limiting shaft (17); when the driving motor drives the stretching rod to drive the lamp head to rotate to the left or right, the upper and lower ends of the lamp head respectively rotate around the lamp head limiting shaft (16); when the driving motor drives the stretching rod to drive the lamp head to rotate upward or downward, the left and right ends of the lamp head respectively rotate around the light limiting shaft (17).

2. The high and low angle headlight according to claim 1, characterized in that: The driving mechanism further comprises a gear fixing frame (11), the rotating gear is rotatably arranged on the gear fixing frame (11) via a gear shaft (1), and the gear shaft (1) is provided with a supporting gear shaft (15) along its axial direction; the supporting gear shaft (15) is transmission-connected to the output end of the driving motor and can drive the rotating gear to rotate or lock; one end of the stretching rod is connected to the end of the lamp holder via a light stretching connection point (19).

3. The high and low angle headlight according to claim 1, characterized in that: The gyro sensing device (20) includes a gyro left control system (13) and a gyro right control system (22); the drive motor includes a left drive motor and a right drive motor; the rotating gear includes a left rotating gear (5) and a right rotating gear; and the stretching rod includes a left stretching rod (7) and a right stretching rod (10); the left drive motor is electrically connected to the gyro left control system (13); the left rotating gear (5) is transmission-connected to the left drive motor; and the left rotating gear (5) is also meshed with the left gear (12) on the left stretching rod (7); The right side driving motor is electrically connected to the right side control system (22) of the gyroscope, the right side rotating gear is transmission-connected to the right side driving motor, and the right side rotating gear is also meshed with the right side gear on the right side stretching rod (10); the left side control system (13) of the gyroscope is used to detect the leftward rotation direction, and drives the left side stretching rod (7) through the left side driving motor to drive the lamp head to rotate in the left direction; the right side control system (22) of the gyroscope is used to detect the rightward rotation direction, and drives the right side stretching rod (10) through the right side driving motor to drive the lamp head to rotate in the right direction.

4. The high and low angle headlight according to claim 1, characterized in that: The gyro sensing device (20) further comprises a gyro lower control system (14) and a gyro upper control system (21); the drive motor further comprises an upper drive motor and a lower drive motor; the rotating gear further comprises an upper rotating gear and a lower rotating gear; the stretching rod further comprises an upper stretching rod (2) and a lower stretching rod (9); the lower drive motor is electrically connected to the gyro lower control system (14); the lower rotating gear is transmission-connected to the lower drive motor; the lower rotating gear is also meshed with the lower gear on the lower stretching rod (9); the upper drive motor is electrically connected to the gyro lower control system (14); the lower rotating gear is transmission-connected to the lower drive motor; the lower rotating gear is also meshed with the lower gear on the lower stretching rod (9); the upper drive motor is electrically connected to the gyro lower control system (14); the lower rotating gear is transmission-connected to the lower drive motor; the lower rotating gear is meshed with the lower gear on the lower stretching rod (9); the upper drive motor is electrically connected to the gyro lower control system (14); the lower rotating gear is transmission-connected to the lower drive motor; the lower rotating gear is meshed with the lower gear on the lower stretching rod (9); the upper drive motor is electrically connected to the gyro lower control system (14); the lower rotating gear is transmission-connected to the lower driving ... The driving motor is electrically connected to the gyro upper control system (21), the upper rotating gear is transmission-connected to the upper driving motor, and the upper rotating gear is also meshed with the upper gear on the upper stretching rod (2); the gyro lower control system (14) is used to detect the downward rotation direction, and drives the lower stretching rod (9) through the lower driving motor to drive the lamp head to rotate in the downward direction; the gyro upper control system (21) is used to detect the upward rotation direction, and drives the upper stretching rod (2) through the upper driving motor to drive the lamp head to rotate in the upward direction.

5. The high and low angle headlight according to any one of claims 1 to 4, characterized in that: The elevation headlight is an AFS headlight for an automobile; the gyro sensing device (20) detects a right turn of the automobile, thereby driving the lamp head to rotate to the right through the right driving mechanism; the gyro sensing device (20) also detects a left turn of the automobile, thereby driving the lamp head to rotate to the left through the left driving mechanism; the gyro sensing device (20) also detects an uphill run of the automobile, thereby driving the lamp head to rotate to the upward direction through the upper driving mechanism; the gyro sensing device (20) also detects a downhill run of the automobile, thereby driving the lamp head to rotate to the downward direction through the lower driving mechanism; and / or, When the driving mechanism on the right drives the lamp head to rotate to the right, the driving mechanism on the left drives the lamp head to rotate to the right; When the driving mechanism on the left drives the lamp head to rotate leftward, the driving mechanism on the right drives the lamp head to rotate rightward; When the upper driving mechanism drives the lamp head to rotate upward, the lower driving mechanism drives the lamp head to rotate upward; When the lower driving mechanism drives the lamp head to rotate downward, the upper driving mechanism drives the lamp head to rotate downward.

6. A method for controlling high and low angle headlights, using the high and low angle headlights according to any one of claims 1 to 5; characterized in that: The control method The following processes are included: When the gyro left control system (13) in the gyro sensing device (20) detects a leftward rotation signal and sends a driving signal to the left driving motor, the left driving motor drives the left stretching rod (7) to drive the lamp head to rotate in the left direction; When the gyro right control system (22) in the gyro sensing device (20) detects a rightward rotation signal and sends a driving signal to the right driving motor, the right driving motor drives the right stretching rod (10) to drive the lamp head to rotate in the right direction; When the gyro upper control system (21) in the gyro sensing device (20) detects an upward signal and sends a driving signal to the upper drive motor, the upper drive motor drives the upper stretching rod (2) to drive the lamp head to rotate in an upward direction; When the gyro lower control system (14) in the gyro sensing device (20) detects a downward signal and sends a driving signal to the lower driving motor, the lower driving motor drives the lower stretching rod (9) to drive the lamp head to rotate in the downward direction.

7. The method for controlling high and low angle headlights according to claim 6, characterized in that: The high and low angle headlights are AFS headlights for cars; The gyro left control system (13) detects when the car turns left, thereby causing the left drive motor to drive the left stretching rod (7) to drive the lamp head to rotate leftward; The right side gyro control system (22) detects when the car turns right, thereby causing the right side drive motor to drive the right side stretching rod (10) to drive the lamp head to rotate to the right; The gyro upper control system (21) detects when the car is going uphill, thereby causing the upper drive motor to drive the upper stretching rod (2) to drive the lamp head to rotate upward; The gyro lower control system (14) detects when the car is going downhill, thereby causing the lower drive motor to drive the lower stretching rod (9) to drive the lamp head to rotate downward; and / or, When the left driving motor drives the left stretching rod (7) to drive the lamp head to rotate in the left direction, the right driving motor simultaneously drives the right stretching rod (10) to drive the lamp head to rotate in the left direction; When the right driving motor drives the right stretching rod (10) to drive the lamp head to rotate in the right direction, the left driving motor simultaneously drives the left stretching rod (7) to drive the lamp head to rotate in the right direction; When the upper drive motor drives the upper stretching rod (2) to drive the lamp head to rotate upward, the lower drive motor simultaneously drives the lower stretching rod (9) to drive the lamp head to rotate upward; When the lower driving motor drives the lower stretching rod (9) to drive the lamp head to rotate downward, the upper driving motor simultaneously drives the upper stretching rod (2) to drive the lamp head to rotate downward.

8. A car, comprising high and low angle headlights, characterized in that: The high and low angle headlights are the high and low angle headlights according to any one of claims 1 to 5 above.

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