CN212673121U - Car lamp dimming mechanism and car - Google Patents

Abstract

The utility model relates to a car lamp dimming mechanism and car, car lamp dimming mechanism include drive unit, support and lamp module group, drive unit with be connected with the universal joint between the support, it is articulated between the casing of support and lamps and lanterns assembly, the lamp module group with support fixed connection, the drive unit drive the support rotates, the support drives the angle is shone in the adjustment of lamp module group. The utility model discloses the structure setting of head-light altitude mixture control mechanism has been simplified for the operation is more reliable and smooth-going.

Description

Car lamp dimming mechanism and car

Technical Field

The utility model belongs to the technical field of the automotive lighting, concretely relates to car lamp dimming mechanism. The utility model discloses still relate to an automobile.

Background

The head-light of car needs adjust distance light or passing beam according to the road conditions to safe driving, the regulation of distance light or passing beam is realized through adjustment head-light height, be provided with head-light height regulating mechanism in the inside of lamps and lanterns assembly, wherein be provided with driving motor and actuating mechanism, the driver sends the order of adjusting luminance through control switch in the car, head-light height regulating mechanism can realize automatically regulated, but current head-light height regulating mechanism structure is more complicated, there is the defect of the irregularity of action.

SUMMERY OF THE UTILITY MODEL

In order to solve the whole or partial problem, the utility model aims to provide an automobile lamp dimming mechanism has simplified the structure setting of head-light altitude mixture control mechanism for the operation is more reliable and smooth-going.

The utility model aims at providing a car has still provided the above-mentioned car lamp dimming mechanism.

The utility model provides an aspect provides an automobile lamp dimming mechanism, including drive unit, support and lamp module group, drive unit with be connected with the universal joint between the support, it is articulated between the casing of support and lamps and lanterns assembly, the lamp module group with support fixed connection, the drive unit drive the leg joint, the support drives the angle is shone in the adjustment of lamp module group.

Optionally, the driving unit includes a motor, a transmission device and a first ball head, the transmission device is connected to a rotor of the motor, the transmission device includes a worm gear mechanism or a nut screw mechanism, the first ball head is disposed at a front end of the worm or the screw, and the rotor of the motor drives the worm or the screw to extend and retract.

Optionally, the bracket includes a bracket body, the bracket body is annular, the lamp module extends into the bracket, and the bracket integrally supports the lamp module.

Optionally, the upper portion of the support body is provided with a first ball socket, the lower portion of the support body is provided with a second ball socket and a third ball socket, centers of the second ball socket and the third ball socket are located on the same rotation axis, and the first ball socket, the second ball socket and the third ball socket are arranged in a triangular shape.

Optionally, the first ball seat, the second ball seat and the third ball seat are arranged in a right triangle, and a central connecting line of the first ball seat and the second ball seat is perpendicular to a central connecting line of the second ball seat and the third ball seat.

Optionally, the bracket is provided with a plurality of connecting holes, and screws are installed to connect the lamp module; the center of gravity of the lamp module is located in the bracket.

Optionally, the lamp module comprises a lamp body and a lamp holder, wherein the upper side and the lower side of the lamp holder are both provided with an extending connecting plate, a connecting hole is formed in the connecting plate, and the connecting plate is fixedly connected with the support.

Optionally, the dimming mechanism of the automotive lamp further comprises a control unit and an acquisition unit, the driving unit is electrically connected with the control unit, the control unit is electrically connected with the acquisition unit, a driver inputs a dimming command through the acquisition unit, and the control unit sends a control instruction to the driving unit.

Optionally, the control unit is a BCM, an AFS controller, or a domain controller; the acquisition unit comprises a vehicle-mounted information entertainment terminal, or a projection device and a camera device.

The utility model discloses another aspect still provides an automobile, including the head-light, still include above the automobile lamp mechanism of adjusting luminance.

According to the above technical scheme, the utility model provides an automobile lamp mechanism of adjusting luminance has following advantage:

the utility model discloses a support supports lamp module group is connected with the universal joint between drive unit and support, and the non-linear drive between drive unit and the support has been realized to the universal joint, and is articulated between the casing of support and lamps and lanterns assembly, allows the support rotation in the support frame to simplified the structure setting of head-light altitude mixture control mechanism, made the operation more reliable and smooth-going.

The utility model discloses an implementation method is simple effective, and the practicality is wider, is applicable to various vehicles.

Drawings

FIG. 1 is an exploded view of an automotive lamp dimming mechanism according to an embodiment of the present invention;

FIG. 2 is a control interface diagram of an automotive lamp dimming mechanism according to an embodiment of the present invention;

FIG. 3 is a control interface diagram of an automotive lamp dimming mechanism according to an embodiment of the present invention;

FIG. 4 is a flowchart illustrating the operation of the dimming mechanism of the automotive lamp according to the embodiment of the present invention;

FIG. 5 is a front view of an actuator of an automotive light dimming mechanism in an embodiment of the present invention;

FIG. 6 is a right side view of an actuator of an automotive light dimming mechanism in an embodiment of the present invention;

FIG. 7 is a perspective view of a driving unit of an automotive lamp dimming mechanism in an embodiment of the present invention;

FIG. 8 is a perspective view of a bracket of an automotive light dimming mechanism in an embodiment of the present invention;

fig. 9 is a perspective view of a lamp module of an automotive lamp dimming mechanism according to an embodiment of the present invention.

Description of reference numerals: 1. an acquisition unit; 101. virtual keys; 102. a control instruction; 2. a control unit; 3. a drive unit; 301. a motor; 302. a transmission device; 303. a first ball head; 4. a support; 401. a stent body; 402. a first ball cup seat; 403. a second ball cup seat; 404. a third ball head seat; 405. a screw; 5. a lamp module; 501. a lamp body; 502. a lamp socket; 503. a connecting plate.

Detailed Description

For better understanding of the purpose, structure and function of the present invention, the following description is made in conjunction with the accompanying drawings for further detailed description of the dimming mechanism of the car lamp and the car of the present invention.

Example 1

As shown in fig. 1, fig. 2, fig. 3, fig. 4 the utility model discloses one of the embodiment, this embodiment discloses an automobile lamp dimming system, mainly is applied to vehicle headlamps, also can be applied to other lamps and lanterns that need adjustment distance beam and passing light, this system is including acquireing unit 1, the control unit 2, drive unit 3, support 4 and lamp module group 5, and it is provided with virtual switch to acquire unit 1, is connected with the universal joint between drive unit 3 and the support 4, lamp module group 5 and support 4 fixed connection.

The driver controls the virtual switch to input the dimming command to the acquisition unit 1, the acquisition unit 1 acquires the dimming command to generate the dimming command and transmits the dimming command to the control unit 2, the control unit 2 sends the control command to the driving unit 3 according to the dimming command, the driving unit 3 drives the support 4 to rotate according to the control command, and the support 4 drives the lamp module 5 to adjust the irradiation angle.

Because the position of the driving unit 3 is fixed, the driving unit 3 is usually a rigid component, and the bracket 4 also belongs to a rigid component, when the bracket 4 rotates, the connecting point changes along a curve, and when the driving unit 3 needs to push and pull the bracket 4, a universal joint needs to be arranged between the driving unit 3 and the bracket 4, so that the non-linear driving between the driving unit 3 and the bracket 4 is realized.

The obtaining unit 1 has various forms, in this embodiment, the obtaining unit 1 includes a vehicle information entertainment terminal (IVI), a virtual switch (displayed on a screen of the IVI) capable of clicking, sliding, turning, or rolling is arranged on an interactive interface of the vehicle information entertainment terminal, the virtual switch is horizontally or vertically arranged, and different dimming commands are input through a touch virtual switch.

As shown in fig. 2, clickable virtual switches, namely virtual buttons 3, 2, 1 and 0, are arranged on the interactive interface of the IVI, and the gears are arranged in a manner of sequentially going to the right from large to small. There is a control description above the virtual switch, with virtual key 3 being the farthest and 0 being the closest. The control instructions may also be located below the virtual switch. The number of the virtual keys can be increased properly, for example, to 5, 4, 3, 2, 1, and 0, so that more gear positions can be adjusted, and the small amplitude adjustment of the lamp module 5 can be realized. The virtual switch may also be vertically disposed.

The IVI interface is through analyzing the user and operating the high altitude mixture control gear of head-light, sends information for the control unit 2, and the control unit 2 need return gear information for IVI, promptly: and returning the analytic signal to the IVI, wherein the screen of the IVI can highlight and display gear numbers and tell the driver the current headlamp gear.

In one embodiment, as shown in fig. 3, a slidable virtual switch is disposed on the interactive interface of the IVI, and the sliding bars respectively represent from left to right: far, medium, near. The control button can be dragged by fingers to slide left and right. The virtual switch may also be vertically disposed. The control unit 2 returns the analysis signal to the IVI, the screen of the IVI can brighten and display gear characters, and the driver is informed of the current headlamp gear

The virtual switch can also be designed into other interaction types so as to realize more intuitive and more convenient touch control. For example: the turning virtual switch is in a page form, different gears are displayed on different pages, the rolling virtual switch is in a runner form, and different gears are displayed on the circumferential surface of the runner.

As shown in fig. 7, the driving unit 3 includes a motor 301, a transmission 302 and a first ball 303, the transmission is connected to a rotor of the motor 301, the transmission 302 includes a worm and gear mechanism, the worm and gear mechanism can convert a rotational motion into a linear motion, the first ball 303 is disposed at a front end of a worm, the rotor of the motor 301 rotates to drive the worm to extend and retract, the rotor of the motor 301 is connected to a worm wheel to drive the worm wheel to rotate, and the worm wheel is meshed with the worm to drive the worm to extend and retract. The first ball head 303 is for connecting the first ball head seat 402, and is a part of the universal joint.

In one embodiment, the transmission device 302 may further include a nut-screw mechanism, the nut-screw mechanism may also convert a rotational motion into a linear motion, the first ball 303 is disposed at a front end of the screw, the rotor of the motor 301 rotates to drive the screw to extend and retract, the rotor of the motor 301 is connected with the nut to drive the nut to rotate, and the nut is meshed with the screw to drive the screw to extend and retract.

The motor 301 needs to be fixed in the shell of the lamp assembly, and the motor 301 is a stepping motor, so that accurate driving can be realized. LIN communication is adopted between the stepping motor and the control unit 2.

As shown in fig. 8, the bracket 4 includes a bracket body 401, the bracket body 401 is annular, the upper portion of the bracket body 401 is provided with a first ball seat 402, the lower portion of the bracket body 401 is provided with a second ball seat 403 and a third ball seat 404, centers of the second ball seat 403 and the third ball seat 404 are located on the same rotation axis (OB straight line in the figure), the first ball seat 402, the second ball seat 403 and the third ball seat 404 are arranged in a triangle, and by three-point support, when the motor 301 is stopped, the bracket 4 can be kept stable, and the irradiation angle of the lamp module 5 can be kept stable.

Preferably, the first, second and third ball seats 402, 403 and 404 may form a right triangle, as shown in fig. 5, in which the OA line passes through the centers of the first and second ball seats 402 and 403 and is perpendicular to the OB line, and the intersection point of the OA line and the OB line is located at the center of the second ball seat 403. The three ball sockets are designed to be right triangles, so that the relation between the driving distance of the motor 301 and the rotating angle of the bracket 4 and the adjusting angle of the headlamp can be calculated conveniently.

The first ball socket 402 is connected to the first ball 303 to form a universal joint, and the motor 301 can push and pull the bracket 4, such that the bracket 4 is pushed to the OA' linear position in fig. 6. When the motor 301 drives the carriage 4 to rotate linearly about OB, the gimbal achieves non-linear drive between the motor 301 and the carriage 4.

The housing of the lamp assembly is further provided with a second ball head in cooperation with the second ball head seat 403, and a third ball head in cooperation with the third ball head seat 404, which also form two universal joints, and the two universal joints support the support 4 and allow the support 4 to rotate.

As shown in fig. 9, the lamp module 5 includes a lamp body 501 and a socket 502, wherein the upper side and the lower side of the socket 502 are both provided with an overhanging connection plate 503, and the connection plate 503 is provided with a connection hole and is fixedly connected with the bracket 4 through the connection plate 503.

The bracket 4 is provided with a plurality of connecting holes, and the mounting screws 405 are connected with the lamp module 5, as shown in fig. 5 and 6, the lamp module 5 extends into the bracket 4, and the bracket 4 integrally supports the lamp module 5.

Preferably, the center of gravity of the lamp module 5 is located in the support 4 as shown in fig. 6, so that the support 4 is balanced front and back and is easily driven.

The control unit 2 may be a BCM (body control module), an AFS controller, or a domain controller.

The car lamp dimming system in this embodiment is under present car setting condition, and virtual switch sets up more easily in the car, and people all are familiar with virtual switch's application method, and it is more convenient to operate, and science and technology sense is higher, has promoted and has used experience.

The control command input through the virtual switch is processed by the control unit, so that the action of the control motor is smoother, the most appropriate irradiation angle of the headlamp is conveniently found, and the driving safety of the vehicle is improved.

The implementation method of the automobile lamp dimming system in the embodiment is simple and effective, has wide practicability and is suitable for various vehicles.

Example 2

What is different from embodiment 1 is that, in this embodiment, the obtaining unit 1 includes a projection device and a camera device, the projection device projects a virtual switch that can be clicked, slid, flipped, or rolled, the virtual switch is horizontally or vertically set, the driver makes a control gesture to the virtual switch, and the camera device collects different gestures made by the driver and generates different dimming instructions.

The form of the virtual switch can refer to embodiment 1, but not the screen display content but the projection can be projected on a position which is convenient for the driver to control, such as a steering wheel, so that the hands of the driver do not need to leave the steering wheel, and the driving safety is improved.

The camera device can adopt an infrared camera or a common camera with higher resolution. If adopt infrared camera, when the light in the carriage is darker, also can easily gather driver's gesture.

The other structures of the automotive lamp dimming system in this embodiment are the same as those in embodiment 1, and a description thereof will not be repeated.

Example 3

The embodiment discloses an automobile, which comprises a headlamp and also comprises an automobile lamp dimming system in embodiment 1 or embodiment 2. The general both sides of car all are provided with the head-light, all need set up the actuating mechanism of this system in the head-light of both sides, mainly include drive unit 3, support 4 and lamp module 5, and two sets of actuating mechanisms share control unit 2 and acquisition unit 1, realize the synchro control to the head-light of both sides.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. The dimming mechanism for the automobile lamp is characterized by comprising a driving unit, a support and a lamp module, wherein a universal joint is connected between the driving unit and the support, the support is hinged to a shell of a lamp assembly, the lamp module is fixedly connected with the support, the driving unit drives the support to rotate, and the support drives the lamp module to adjust the irradiation angle.

2. The dimming mechanism of claim 1, wherein the driving unit comprises a motor, a transmission device and a first ball head, the transmission device is connected with a rotor of the motor, the transmission device comprises a worm gear mechanism or a nut screw mechanism, the first ball head is arranged at the front end of the worm or the screw, and the rotor of the motor drives the worm or the screw to extend and retract in a rotating way.

3. The dimming mechanism of claim 1, wherein the bracket comprises a bracket body having a ring shape, the lamp module extends into the bracket, and the bracket integrally supports the lamp module.

4. The dimming mechanism for automotive lamps according to claim 3, wherein the upper portion of the bracket body is provided with a first ball socket, the lower portion of the bracket body is provided with a second ball socket and a third ball socket, the centers of the second ball socket and the third ball socket are located on the same rotation axis, and the first ball socket, the second ball socket and the third ball socket are arranged in a triangular shape.

5. The dimming mechanism of claim 4, wherein the first, second and third bases are arranged in a right triangle, and a central connecting line of the first and second bases is perpendicular to a central connecting line of the second and third bases.

6. The dimming mechanism of an automotive lamp according to claim 3, wherein the bracket is provided with a plurality of connection holes for receiving screws for connecting the lamp module; the center of gravity of the lamp module is located in the bracket.

7. The dimming mechanism of claim 1, wherein the lamp module comprises a lamp body and a lamp socket, the upper side and the lower side of the lamp socket are respectively provided with an overhanging connecting plate, and the connecting plate is provided with a connecting hole and is fixedly connected with the bracket through the connecting plate.

8. An automotive lamp dimming mechanism according to any one of claims 1 to 7, further comprising a control unit and an acquisition unit, wherein the driving unit is electrically connected with the control unit, the control unit is electrically connected with the acquisition unit, a driver inputs a dimming command through the acquisition unit, and the control unit sends a control instruction to the driving unit.

9. The automotive lamp dimming mechanism according to claim 8, wherein the control unit is a BCM, an AFS controller, or a domain controller; the acquisition unit comprises a vehicle-mounted information entertainment terminal, or a projection device and a camera device.

10. An automobile comprising a headlamp, characterized by further comprising the automotive lamp dimming mechanism of any one of claims 1 to 9.

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