CN210109451U - HUD reflector adjusting device - Google Patents

Abstract

The utility model relates to the technical field of vehicle engineering, in particular to a HUD reflector adjusting device, which comprises a frame, a first motor, a second motor, a mounting rack, a reflector main body, a turbine, a worm and a liquid crystal screen; a first bracket and a second bracket are respectively arranged on two opposite sides of the rack, a first guide rod is arranged on the first bracket, a second guide rod is arranged on the second bracket, and the first guide rod and the second guide rod are parallel to each other; the reflector main body is rotatably arranged on the mounting frame through a rotating shaft, and sliding supports matched with the first guide rod and the second guide rod are respectively arranged on two opposite sides of the mounting frame; the frame is provided with a screw rod between the first support and the second support. The utility model provides a have succinct, low-cost, adjust precision and efficient HUD speculum adjusting device, improved HUD product projection information's degree of recognition, strengthened HUD auxiliary driving security, eliminated the hidden danger of traffic accident emergence.

Description

HUD reflector adjusting device

Technical Field

The utility model relates to a vehicle engineering technical field especially relates to a HUD speculum adjusting device.

Background

Head-Up displays (HUDs), also known as heads-Up displays, are increasingly popular with the market and consumers, because they can virtually image and project vehicle status, navigation, vehicle fault diagnosis, and other various relevant information to the front of the vehicle, keeping the driver's sight away from the road ahead, and thus avoiding the potential danger caused by the driver lowering his Head or looking sideways at the information on the instruments or navigators.

During the running process of the vehicle, the virtual image projection focal plane required in the low-speed or stop state is closer, and the virtual image projection focal plane required in the high-speed running state is farther. The focal plane of the HUD product of volume production all is fixed value in the existing market, has the design of focal plane adjustable in some HUD concept product designs, but the mode of regulation all is comparatively complicated, and optics realizes that the cost is very high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a HUD reflector adjusting device with high adjusting precision and low cost is provided.

In order to solve the technical problem, the utility model discloses a technical scheme be: a HUD reflector adjusting device comprises a rack, a first motor, a second motor, a mounting rack, a reflector main body, a turbine, a worm and a liquid crystal screen;

a first bracket and a second bracket are respectively arranged on two opposite sides of the rack, a first guide rod is arranged on the first bracket, a second guide rod is arranged on the second bracket, and the first guide rod and the second guide rod are parallel to each other;

the reflector main body is rotatably arranged on the mounting frame through a rotating shaft, and sliding supports matched with the first guide rod and the second guide rod are respectively arranged on two opposite sides of the mounting frame;

the rack is provided with a screw rod between the first support and the second support, the screw rod is perpendicular to the first guide rod, the first motor is installed on the rack, an output shaft of the first motor is coaxially connected with the screw rod, and the bottom of the installation rack is provided with a threaded connection part matched with the screw rod;

the second motor is arranged on the mounting frame, an output shaft of the second motor is coaxially connected with a worm, the worm is meshed with a worm wheel, and the worm wheel is coaxially connected with a rotating shaft of the reflector main body;

the rotating shaft of the reflector main body is perpendicular to the first guide rod, the liquid crystal screen is installed on the rack, and the liquid crystal screen is perpendicular to the first guide rod.

In an alternative embodiment, the mirror body comprises a flat mirror or a spherical mirror.

In an optional embodiment, the HUD mirror adjusting apparatus further includes an anti-shake device, and the rotation shaft of the mirror body is mounted on the mounting frame through the anti-shake device.

In an optional embodiment, the HUD mirror adjusting device further comprises a heat sink, the heat sink is mounted on the frame, and the liquid crystal screen is mounted on the heat sink.

In an optional embodiment, the first motor and the second motor are both connected with a peripheral HUD controller, the HUD controller comprises a W-HUD or an AR-HUD, and a PGU image source of the HUD controller comprises an LCD, an OLED, an LCOS or a laser.

In an alternative embodiment, the first motor comprises a stepper motor, a servo motor, a dc motor or a linear motor.

The beneficial effects of the utility model reside in that: the HUD reflector adjusting device comprises a rack, a first motor, a second motor, an installation rack, a reflector main body, a turbine, a worm and a liquid crystal screen, wherein the first motor is used for driving the installation rack to slide on a support of the rack back and forth through a lead screw so as to adjust the distance between the reflector and the liquid crystal screen and adjust the image distance; and the second motor is used for driving the reflecting mirror to rotate through the worm gear mechanism, so that the angle adjustment of the reflecting mirror is realized. The utility model provides a have succinct, low-cost, adjust precision and efficient HUD speculum adjusting device, improved HUD product projection information's degree of recognition, strengthened HUD auxiliary driving security, eliminated the hidden danger of traffic accident emergence.

Drawings

Fig. 1 is a schematic structural view of a HUD mirror adjusting device according to an embodiment of the present invention;

fig. 2 is a rear view of a mounting bracket according to an embodiment of the present invention;

description of reference numerals:

1-a frame; 11-a first support; 111-a first guide bar; 12-a second scaffold; 121-a second guide bar; 13-a screw rod;

2-a first electric machine;

3-a second motor;

4-a mounting frame; 41-sliding support; 42-a threaded connection;

5-a mirror body;

6-a turbine;

7-a worm;

8-a liquid crystal screen;

9-an anti-shake device;

10-heat sink.

Detailed Description

In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

The utility model discloses the most crucial design lies in: the first motor is used for driving the mounting frame to slide on the bracket of the rack back and forth through the lead screw, so that the distance between the reflector and the liquid crystal display screen is adjusted, and the image distance is adjusted; and the second motor is used for driving the reflecting mirror to rotate through the worm gear mechanism, so that the angle adjustment of the reflecting mirror is realized.

Referring to fig. 1 and 2, an HUD reflector adjusting device of the present invention includes a frame, a first motor, a second motor, a mounting frame, a reflector body, a turbine, a worm, and a liquid crystal display;

a first bracket and a second bracket are respectively arranged on two opposite sides of the rack, a first guide rod is arranged on the first bracket, a second guide rod is arranged on the second bracket, and the first guide rod and the second guide rod are parallel to each other;

the reflector main body is rotatably arranged on the mounting frame through a rotating shaft, and sliding supports matched with the first guide rod and the second guide rod are respectively arranged on two opposite sides of the mounting frame;

the rack is provided with a screw rod between the first support and the second support, the screw rod is perpendicular to the first guide rod, the first motor is installed on the rack, an output shaft of the first motor is coaxially connected with the screw rod, and the bottom of the installation rack is provided with a threaded connection part matched with the screw rod;

the second motor is arranged on the mounting frame, an output shaft of the second motor is coaxially connected with a worm, the worm is meshed with a worm wheel, and the worm wheel is coaxially connected with a rotating shaft of the reflector main body;

the rotating shaft of the reflector main body is perpendicular to the first guide rod, the liquid crystal screen is installed on the rack, and the liquid crystal screen is perpendicular to the first guide rod.

From the above description, the beneficial effects of the present invention are: based on the imaging principle of speculum, when focal plane removes the same distance, the stroke that the speculum removed only is half of the required removal stroke of PGU (image source), therefore, adjust virtual image projection focal plane through removing the speculum and help realizing the miniaturization of system's volume, overall structure designs more succinctly, the cost is lower, and because the size of speculum is littleer, the weight is lighter, realize high accuracy control more easily, can realize in succession, stable high accuracy focal plane position control operation, improve the user experience that the driver observed HUD projection information when the vehicle is not at the same speed. When the device is used, the first motor drives the mounting frame to slide back and forth on the bracket of the rack through the lead screw, so that the distance between the reflector and the liquid crystal screen is adjusted, and the image distance is adjusted; and the second motor is used for driving the reflecting mirror to rotate through the worm gear mechanism, so that the angle adjustment of the reflecting mirror is realized.

Further, the reflector body includes a plane mirror or a spherical mirror.

As apparent from the above description, the mirror body may be a free-form surface mirror, a spherical mirror, an aspherical mirror, various lenses, various prisms, or the like.

Further, HUD speculum adjusting device still includes the anti-shake ware, the pivot of speculum main part is passed through the anti-shake ware and is installed on the mounting bracket.

As can be seen from the above description, the anti-shake device is a common anti-shake device in the market, and is mainly used to solve the problem of image shake caused by mirror shake.

Further, HUD speculum adjusting device still includes the radiator, the radiator is installed in the frame, the LCD screen is installed on the radiator.

From the above description, the heat sink enhances the heat dissipation capability of the component, ensuring the adjustment accuracy and the equipment safety.

Further, first motor and second motor all are connected with the HUD controller of peripheral hardware, the HUD controller includes W-HUD or AR-HUD, the PGU image source of HUD controller includes LCD, OLED, LCOS or laser.

From the above description, the HUD controller is a head-up display controller commonly found in the market, and is used for acquiring vehicle speed, vehicle state, navigation, vehicle fault diagnosis and other various related information, outputting images and projecting the images onto electronic and optical equipment in front of a vehicle, the HUD controller is provided with a motor control module, a driving module, a power module and the like, the HUD controller is matched with a focal plane distance control algorithm, the target focal plane distance can be automatically calculated according to the vehicle speed data acquired by the HUD controller, the position and the angle of a reflector can be adjusted by using a first motor or a second motor according to the calculated distance, and high-precision and high-efficiency focal plane adjustment is realized.

Further, the first motor comprises a stepping motor, a servo motor, a direct current motor or a linear motor.

As apparent from the above description, the first motor and the second motor may be any of the motors described above.

Referring to fig. 1 and fig. 2, a first embodiment of the present invention is: a HUD reflector adjusting device comprises a rack 1, a first motor 2, a second motor 3, amounting rack 4, a reflector body 5, a turbine 6, a worm 7 and a liquid crystal screen 8;

afirst bracket 11 and asecond bracket 12 are respectively arranged on two opposite sides of the frame 1, afirst guide rod 111 is arranged on thefirst bracket 11, asecond guide rod 121 is arranged on thesecond bracket 12, and thefirst guide rod 111 and thesecond guide rod 121 are parallel to each other;

the reflector body 5 is rotatably mounted on themounting frame 4 through a rotating shaft, and the two opposite sides of themounting frame 4 are respectively provided with asliding support 41 matched with thefirst guide rod 111 and thesecond guide rod 121;

ascrew rod 13 is arranged between afirst support 11 and asecond support 12 of the rack 1, thescrew rod 13 is perpendicular to afirst guide rod 111, the first motor 2 is installed on the rack 1, an output shaft of the first motor 2 is coaxially connected with thescrew rod 13, and a threaded connectingpart 42 matched with thescrew rod 13 is arranged at the bottom of themounting rack 4;

the second motor 3 is mounted on themounting frame 4, an output shaft of the second motor 3 is coaxially connected with a worm 7, the worm 7 is meshed with a worm wheel 6, and the worm wheel 6 is coaxially connected with a rotating shaft of the reflector main body 5;

the rotating shaft of the reflector body 5 is perpendicular to thefirst guide rod 111, the liquid crystal screen 8 is installed on the frame 1, and the liquid crystal screen 8 is perpendicular to thefirst guide rod 111.

Referring to fig. 1 and fig. 2, a second embodiment of the present invention is: a HUD reflector adjusting device comprises a rack 1, a first motor 2, a second motor 3, amounting rack 4, a reflector body 5, a turbine 6, a worm 7 and a liquid crystal screen 8;

afirst bracket 11 and asecond bracket 12 are respectively arranged on two opposite sides of the frame 1, afirst guide rod 111 is arranged on thefirst bracket 11, asecond guide rod 121 is arranged on thesecond bracket 12, and thefirst guide rod 111 and thesecond guide rod 121 are parallel to each other;

the reflector body 5 is rotatably mounted on the mountingframe 4 through a rotating shaft, and the two opposite sides of the mountingframe 4 are respectively provided with a slidingsupport 41 matched with thefirst guide rod 111 and thesecond guide rod 121;

ascrew rod 13 is arranged between afirst support 11 and asecond support 12 of the rack 1, thescrew rod 13 is perpendicular to afirst guide rod 111, the first motor 2 is installed on the rack 1, an output shaft of the first motor 2 is coaxially connected with thescrew rod 13, and a threaded connectingpart 42 matched with thescrew rod 13 is arranged at the bottom of the mountingrack 4;

the second motor 3 is mounted on the mountingframe 4, an output shaft of the second motor 3 is coaxially connected with a worm 7, the worm 7 is meshed with a worm wheel 6, and the worm wheel 6 is coaxially connected with a rotating shaft of the reflector main body 5;

the rotating shaft of the reflector body 5 is perpendicular to thefirst guide rod 111, the liquid crystal screen 8 is installed on the frame 1, and the liquid crystal screen 8 is perpendicular to thefirst guide rod 111.

The reflector body 5 is a plane mirror. HUD speculum adjusting device still includes anti-shake ware 9, the pivot of speculum main part 5 is passed through anti-shake ware 9 and is installed on mountingbracket 4. HUD speculum adjusting device still includesradiator 10,radiator 10 is installed in frame 1, LCD screen 8 is installed onradiator 10. First motor 2 and second motor 3 all are connected with the HUD controller of peripheral hardware, the HUD controller is W-HUD, the PGU image source of HUD controller includes LCD. The first motor 2 and the second motor 3 are stepping motors.

To sum up, the utility model provides a HUD reflector adjusting device, which comprises a frame, a first motor, a second motor, a mounting rack, a reflector main body, a turbine, a worm and a liquid crystal screen, wherein the first motor is used for driving the mounting rack to slide on a bracket of the frame through a lead screw, so that the distance between the reflector and the liquid crystal screen is adjusted, and the image distance is adjusted; and the second motor is used for driving the reflecting mirror to rotate through the worm gear mechanism, so that the angle adjustment of the reflecting mirror is realized. The utility model provides a have succinct, low-cost, adjust precision and efficient HUD speculum adjusting device, improved HUD product projection information's degree of recognition, strengthened HUD auxiliary driving security, eliminated the hidden danger of traffic accident emergence.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims (6)

1. A HUD reflector adjusting device is characterized by comprising a rack, a first motor, a second motor, a mounting rack, a reflector main body, a turbine, a worm and a liquid crystal screen;

a first bracket and a second bracket are respectively arranged on two opposite sides of the rack, a first guide rod is arranged on the first bracket, a second guide rod is arranged on the second bracket, and the first guide rod and the second guide rod are parallel to each other;

the reflector main body is rotatably arranged on the mounting frame through a rotating shaft, and sliding supports matched with the first guide rod and the second guide rod are respectively arranged on two opposite sides of the mounting frame;

the rack is provided with a screw rod between the first support and the second support, the screw rod is perpendicular to the first guide rod, the first motor is installed on the rack, an output shaft of the first motor is coaxially connected with the screw rod, and the bottom of the installation rack is provided with a threaded connection part matched with the screw rod;

the second motor is arranged on the mounting frame, an output shaft of the second motor is coaxially connected with a worm, the worm is meshed with a worm wheel, and the worm wheel is coaxially connected with a rotating shaft of the reflector main body;

the rotating shaft of the reflector main body is perpendicular to the first guide rod, the liquid crystal screen is installed on the rack, and the liquid crystal screen is perpendicular to the first guide rod.

2. The HUD mirror adjustment device according to claim 1, characterized in that the mirror body comprises a flat mirror or a spherical mirror.

3. The HUD mirror adjustment device according to claim 1, further comprising an anti-shake device, wherein the rotation shaft of the mirror body is mounted on the mounting frame through the anti-shake device.

4. The HUD mirror adjustment device according to claim 1, further comprising a heat sink, the heat sink being mounted on the frame, the liquid crystal panel being mounted on the heat sink.

5. The HUD mirror adjustment device of claim 1, wherein the first and second motors are each connected to an external HUD controller, the HUD controller comprising a W-HUD or an AR-HUD, the PGU image source of the HUD controller comprising an LCD, OLED, LCOS or laser.

6. The HUD mirror adjustment device according to claim 1, wherein the first motor comprises a stepper motor, a servo motor, a dc motor or a linear motor.

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