CN219096608U

CN219096608U - HUD positioning and adjusting device

Info

Publication number: CN219096608U
Application number: CN202222151882.4U
Authority: CN
Inventors: 杨跑
Original assignee: Hunan Ruisi Huachuang Technology Co ltd
Current assignee: Hunan Ruisi Huachuang Technology Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2023-05-30
Anticipated expiration: 2032-08-16

Abstract

The utility model discloses a HUD positioning and adjusting device, which comprises a base, wherein a placement space is arranged in the base; the curved mirror is positioned at one end of the base and is rotationally connected with the base; the reflecting mirror is positioned at one end of the base far away from the curved mirror and is fixedly connected with the base; the image projection unit is detachably arranged in the placement space; the problem of inaccurate positioning is solved by adding the positioning motor, so that the adjusting precision of the curved reflector is not influenced by the precision of the transmission device any more; the positioning motor is directly fixed with the baffle plate and the baffle plate is directly fixed with the limit switch, and a transmission device is not arranged, so that a virtual position is not arranged, and the positioning motor is accurate in positioning, so that the adjustment position of the curved reflector is also accurate; whether the curved surface reflector rotates to the expected position is judged by whether the pressing block presses the limit switch or not, the size of the virtual position of the transmission device cannot influence the final result, and the requirement on the design precision of the transmission device is reduced to a certain extent.

Description

HUD positioning and adjusting device

Technical Field

The utility model belongs to the technical field of HUD regulation, and particularly relates to a HUD positioning and regulating device.

Background

Head-up displays are also known as heads-up displays. Currently, the aircraft is commonly used in flight aids of aircrafts, and is gradually popularized in automobiles nowadays. The head-up display aims to improve the safety of the automobile, so that the attention of a driver is focused on the road surface, and accidents are reduced. In recent years, the head up display market is rapidly developed, and more vehicle types are beginning to be equipped with head up display products.

In the prior art, a head-up display mainly comprises a Main Control Unit (MCU), an image projection unit (PGU), a plane mirror, a curved mirror, a stepper motor (i.e. an adjusting motor), a transmission device, and the like. The stepping motor is mainly used for adjusting the height of the image of the head-up display and is suitable for drivers with different heights. The current common image height adjusting method uses a stepping motor, and drives the curved mirror to rotate through a transmission device so as to achieve the purpose of adjusting the height. Because of the certain friction and energy loss between the stepper motor and the transmission device and between the transmission device and the curved reflector (especially when the stepper motor is just started, the energy loss is larger), virtual positions exist in the adjustment process, so that the actual rotated position of the curved reflector is smaller than the expected position, and the difference is not regular and can not be compensated in software.

Disclosure of Invention

In order to solve the above problems in the prior art, an object of the present utility model is to provide a HUD positioning adjustment device.

The technical scheme adopted by the utility model is as follows:

a HUD positioning and adjusting device comprises a base, wherein a placement space is arranged in the base; the curved mirror is positioned at one end of the base and is rotationally connected with the base; the reflecting mirror is positioned at one end of the base far away from the curved mirror and is fixedly connected with the base; the image projection unit is detachably arranged in the placement space; the main control unit is detachably arranged in the placement space and is positioned at one side of the image projection unit; the adjusting motor is detachably arranged in the arranging space and is positioned at one side of the main control unit far away from the image projection unit, and the curved mirror is controlled by the transmission device; the arc-shaped baffle is positioned on one side of the curved mirror away from the reflecting mirror and is rotationally connected with the base.

As the preferable mode of the utility model, a control groove is arranged on one side of the base, which is close to the curved mirror, one end of the curved mirror is positioned in the control groove, a rotating shaft is rotatably arranged on the side wall of the control groove, a fixed block is fixedly arranged on the rotating shaft, and the fixed block is fixedly connected with the curved mirror.

Preferably, the transmission device comprises a worm wheel and a worm, the worm wheel is fixedly arranged on the rotating shaft, one side of the worm wheel is meshed with the worm, the worm is in rotary connection with the side wall of the control groove, one end of the worm penetrates through the control groove, one end of the worm, which is far away from the control groove, is positioned in the placement space, and one end of the worm, which is far away from the control groove, is in transmission connection with the adjusting motor.

Preferably, the transmission device further comprises a transmission gear and a reduction gear, wherein the transmission gear is meshed with the reduction gear, the transmission gear is fixedly arranged on a transmission shaft, the transmission shaft is controlled by an adjusting motor, and the reduction gear is fixedly arranged at one end of the worm far away from the control groove.

Preferably, a bearing bracket is fixedly arranged on the inner wall of one side of the installation space, and the worm and the transmission shaft are respectively and rotatably connected with the bearing bracket.

As the optimization of the utility model, the arc-shaped baffle plate is fixedly arranged on the supporting rod, one end of the supporting rod, which is far away from the arc-shaped baffle plate, is positioned in the control groove, one end of the supporting rod, which is far away from the arc-shaped baffle plate, is connected with the output shaft of the positioning motor, and the positioning motor is fixedly arranged on the side wall of the control groove.

Preferably, the positioning motor output shaft coincides with the axis of the rotating shaft.

As the preferable mode of the utility model, a pressing block is fixedly arranged on one side of the curved mirror, which is close to the arc-shaped baffle, a limit switch is fixedly arranged on one side of the arc-shaped baffle, which is close to the curved mirror, and the pressing block is matched with the limit switch to output a pulse signal to the main control unit.

Preferably, the image projection unit further comprises a charging module, wherein the charging module is detachably arranged in the placement space, and the charging module is positioned at one end of the placement space far away from the image projection unit.

Preferably, the utility model further comprises a sucker, wherein the sucker is fixedly arranged at one end of the base far away from the curved mirror.

The beneficial effects of the utility model are as follows:

1. the problem of inaccurate positioning is solved by adding the positioning motor, so that the adjusting precision of the curved reflector is not influenced by the precision of the transmission device.

2. The positioning motor is directly fixed with the baffle plate and the baffle plate is directly fixed with the limit switch, and a transmission device is not arranged, so that a virtual position does not exist, and the positioning motor is accurate in positioning, so that the adjustment position of the curved reflector is also accurate.

3. Whether the curved surface reflector rotates to the expected position is judged by whether the pressing block presses the limit switch or not, the size of the virtual position of the transmission device cannot influence the final result, and the requirement on the design precision of the transmission device is reduced to a certain extent.

Drawings

The utility model will be described in further detail with reference to the accompanying drawings and detailed description.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1 at B in accordance with the present utility model;

FIG. 3 is a schematic view of the A-A direction structure of FIG. 1 according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 at C according to the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

In the following, a specific embodiment of the present utility model will be described with reference to fig. 1 to 4, in one embodiment of the present utility model, a HUD positioning adjustment device includes a base 17 having a seating space 18 provided therein; the curved mirror 11 is positioned at one end of the base 17 and is rotationally connected with the base 17; the reflecting mirror 20 is positioned at one end of the base 17 away from the curved mirror 11 and is fixedly connected with the base 17; an image projection unit 30 detachably installed in the installation space 18; the main control unit 19 is detachably arranged in the arrangement space 18 and is positioned at one side of the image projection unit 30; the adjusting motor 16 is detachably arranged in the arranging space 18 and is positioned at one side of the main control unit 19 away from the image projection unit 30, and the curved mirror 11 is controlled by a transmission device; an arc baffle 12, which is located at one side of the curved mirror 11 away from the reflecting mirror 20 and is rotatably connected with the base 17; the adjusting precision of the curved reflector is not limited by the precision of the transmission device any more through the arc-shaped baffle plate.

In another embodiment of the present utility model, a control groove 29 is disposed on a side of the base 17 near the curved mirror 11, one end of the curved mirror 11 is located in the control groove 29, a rotation shaft 23 is rotatably disposed on a side wall of the control groove 29, a fixing block 21 is fixedly disposed on the rotation shaft 23, and the fixing block 21 is fixedly connected with the curved mirror 11.

Advantageously, the transmission device comprises a worm wheel 22 and a worm 27, the worm wheel 22 is fixedly arranged on the rotating shaft 23, one side of the worm wheel 22 is meshed with the worm 27, the worm 27 is rotationally connected with the side wall of the control groove 29, one end of the worm 27 penetrates through the control groove 29, one end of the worm 27, which is far away from the control groove 29, is positioned in the placement space 18, one end of the worm 27, which is far away from the control groove 29, is in transmission connection with the adjusting motor 16, the worm wheel 22 has a speed reduction transmission effect, and the adjusting effect of the curved mirror 11 is effectively ensured.

Advantageously, the transmission device further comprises a transmission gear 24 and a reduction gear 28, the transmission gear 24 is meshed with the reduction gear 28, the transmission gear 24 is fixedly arranged on a transmission shaft 26, the transmission shaft 26 is controlled by the adjusting motor 16, and the reduction gear 28 is fixedly arranged at one end of the worm 27 away from the control groove 29; the deceleration effect is further implemented by the deceleration gear 28, and the adjustment of the curved mirror 11 is made smoother.

Advantageously, a bearing bracket 25 is fixedly arranged on the inner wall of the installation space 18 on one side, and the worm 27 and the drive shaft 26 are each rotatably connected to the bearing bracket 25.

In another embodiment of the present utility model, the arc-shaped baffle 12 is fixedly disposed on the supporting rod 13, an end of the supporting rod 13 away from the arc-shaped baffle 12 is located in the control groove 29, an end of the supporting rod 13 away from the arc-shaped baffle 12 is connected with an output shaft of a positioning motor 33, and the positioning motor 33 is fixedly disposed on a side wall of the control groove 29.

Advantageously, the output shaft of the positioning motor 33 coincides with the axis of the rotation shaft 23.

In another embodiment of the present utility model, a pressing block 31 is fixedly disposed on a side of the curved mirror 11 close to the curved plate 12, a limit switch 32 is fixedly disposed on a side of the curved plate 12 close to the curved mirror 11, and the pressing block 31 cooperates with the limit switch 32 to output a pulse signal to the main control unit 19.

In another embodiment of the present utility model, the charging module 14 is detachably mounted in the placement space 18, and the charging module 14 is located at an end of the placement space 18 away from the image projection unit 30.

In another embodiment of the present utility model, the device further comprises a suction cup 15, wherein the suction cup 15 is fixedly arranged at one end of the base 17 away from the curved mirror 11; the suction cup 15 can enable the device to be flexibly fixed inside an automobile.

The working principle of the utility model is as follows:

the device receives the instruction of the main control unit 19, and comprises a preset position of a user setting limit switch 32 and a set position of the curved mirror 11;

the radian of the arc-shaped baffle 12 is consistent with that of the curved mirror 11, and when the pressing block 31 presses the limit switch 32, the rotation amplitude of the curved mirror 11 is consistent with that of the arc-shaped baffle 12. The main control unit 19 can control the positioning motor 33 to rotate so as to drive the limit switch 32 to rotate, thereby achieving the purpose of positioning. In addition, the main control unit 19 can control the rotation of the adjusting motor 16, and simultaneously judge whether the rotation amplitude of the curved mirror 11 is consistent with the arc baffle 12 by detecting whether the limit switch 32 is pressed by the pressing block 31.

For limit switch 32, three wires are required: power supply lines, ground lines and signal lines. The three wires of the limit switch 32 can be copper wires, and can be wired along the arc-shaped baffle 12, so that the current requirement can be met (the current of the limit switch 32 is very small), and the rotation of the arc-shaped baffle 12 can be not influenced (the copper wires are very light and have good flexibility). When the limit switch 32 is pressed, the curved mirror 11 cannot be rotated counterclockwise, and the arc baffle 12 cannot be rotated clockwise, so that the press dislocation can be prevented.

In particular cases:

1. at the beginning, the curved mirror 11 and the arc baffle 12 are positioned at a certain position, and the pressing block 31 presses the limit switch 32;

2. the positioning motor 33 drives the limit switch 32 to rotate anticlockwise to a preset position set by a user;

3. the adjusting motor 16 drives the curved mirror 11 to rotate anticlockwise through the transmission device until the limit switch 32 is pressed and the position adjustment is completed.

In any case:

1. the regulating motor 16 drives the curved mirror 11 to rotate clockwise by a certain radian (the radian can be defined according to actual conditions) so as to leave a rotating space for the arc baffle 12;

2. the positioning motor 33 drives the arc baffle 12 to rotate clockwise;

3. if the predetermined position set by the user has been reached before the limit switch 32 is pressed, the positioning motor 33 is stopped at the desired position, and jumps to step 6 (in this case, the curved mirror 11 is rotated clockwise with the head);

4. if the limit switch 32 is pressed but does not reach the predetermined position set by the user, jumping to step 1;

5. if the limit switch 32 is pressed and also just reaches the preset position set by the user, the adjustment is directly finished;

6. the adjustment motor 16 rotates the curved reflective arc baffle 12 mirror counterclockwise until the limit switch 32 is pressed.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing is merely illustrative of the structures of this utility model and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the utility model or from the scope of the utility model as defined in the accompanying claims.

Claims

1. HUD positioning adjustment device, its characterized in that: comprising

A base, the inside of which is provided with a placement space;

the curved mirror is positioned at one end of the base and is rotationally connected with the base;

the reflecting mirror is positioned at one end of the base far away from the curved mirror and is fixedly connected with the base;

the image projection unit is detachably arranged in the placement space;

the main control unit is detachably arranged in the placement space and is positioned at one side of the image projection unit;

the adjusting motor is detachably arranged in the arranging space and is positioned at one side of the main control unit far away from the image projection unit, and the curved mirror is controlled by the transmission device;

the arc-shaped baffle is positioned on one side of the curved mirror away from the reflecting mirror and is rotationally connected with the base.

2. A HUD positioning adjustment device according to claim 1, wherein: the base is close to one side of curved mirror is equipped with the control groove, the one end of curved mirror is located the control inslot, it is equipped with the axis of rotation to rotate on the lateral wall of control groove, the fixed block that is equipped with in the axis of rotation, the fixed block with curved mirror fixed connection.

3. A HUD positioning adjustment device according to claim 2, wherein: the transmission device comprises a worm wheel and a worm, the worm wheel is fixedly arranged on the rotating shaft, one side of the worm wheel is meshed with the worm, the worm is rotationally connected with the side wall of the control groove, one end of the worm penetrates through the control groove, one end of the worm, which is far away from the control groove, is located in the placement space, and one end of the worm, which is far away from the control groove, is in transmission connection with the adjusting motor.

4. A HUD positioning adjustment device according to claim 3, wherein: the transmission device further comprises a transmission gear and a reduction gear, the transmission gear is meshed with the reduction gear, the transmission gear is fixedly arranged on a transmission shaft, the transmission shaft is controlled by an adjusting motor, and the reduction gear is fixedly arranged at one end of the worm, which is far away from the control groove.

5. A HUD positioning adjustment device according to claim 4, wherein: the bearing frame is fixedly arranged on the inner wall of one side of the placement space, and the worm and the transmission shaft are respectively and rotatably connected with the bearing frame.

6. A HUD positioning adjustment device according to claim 2, wherein: the arc-shaped baffle is fixedly arranged on the supporting rod, one end, away from the arc-shaped baffle, of the supporting rod is located in the control groove, one end, away from the arc-shaped baffle, of the supporting rod is connected with an output shaft of the positioning motor, and the positioning motor is fixedly arranged on the side wall of the control groove.

7. A HUD positioning adjustment device according to claim 6, wherein: the output shaft of the positioning motor coincides with the axis of the rotating shaft.

8. A HUD positioning adjustment device according to claim 1, wherein: the curved mirror is close to the fixed briquetting that is equipped with in one side of arc baffle, the arc baffle is close to the fixed limit switch that is equipped with in one side of curved mirror, the briquetting with limit switch cooperation output pulse signal extremely the main control unit.

9. A HUD positioning adjustment device according to claim 1, wherein: the charging module is detachably mounted in the placement space and is located at one end, far away from the image projection unit, of the placement space.

10. A HUD positioning adjustment device according to claim 1, wherein: still include the sucking disc, the sucking disc is fixed to be set up the base is kept away from the one end of curved mirror.