CN110077328A - A kind of vehicle display device and its display methods - Google Patents

Abstract

The invention discloses a vehicle display device and a display method thereof. The device comprises a projection module, a multifunctional intelligent control module, first and second position coordinate detection modules, first and second PLC control modules, a vehicle state detection module, a network module and a a mobile terminal; the first and second position coordinate detection modules, the vehicle state detection module, the network module and the mobile terminal are respectively connected with the multi-functional intelligent control module; and the multi-functional intelligent control module is connected with the projection module through the first and second PLC control modules; The projection module includes a projection head, a projection screen, a projection head adjustment bracket for fixing and adjusting the projection head, and a projection screen adjusting bracket for fixing and adjusting the projection screen, and the projection head projects an image on the projection screen. The invention can solve the problems that the existing large-screen liquid crystal instrument affects the interior shape of the instrument panel (air outlet, storage box, etc.), the existing large-screen liquid crystal display instrument has large radiation, and the driver's field of vision is small.

Description

A vehicle display device and display method thereof

technical field

The present invention relates to the technical field of vehicles, and in particular, to a vehicle display device and a display method thereof.

Background technique

With the development of automobile technology, people's requirements for automobiles are also getting higher and higher, especially the intuitive and beautiful requirements for information display, navigation information display, entertainment office and other information displays on vehicles. I like the full-screen display effect composed of a large-size LCD screen, and the demand for the size of the display screen is also increasing. In the existing market, a 49-inch large screen has appeared in the market, with a length of 125cm and a width of 25cm. The bigger and bigger the display screen takes up the space of the instrument panel, it has an impact on the interior styling of other components, such as the position of the air outlet. It will directly affect the air outlet effect, and the position of the storage box is also forced to move down, which affects the convenience of picking and placing items. In addition, the information on the vehicle, navigation information, entertainment and office information, etc. are displayed on the LCD screen. It shows that more light can be directly injected into the driver's eyes. In the process of driving a vehicle for a long time, people's eyes are easily fatigued, which increases the probability of traffic accidents, especially when driving at night. At the same time, in order to facilitate the driver to quickly browse the information on the display screen, the display screen is placed relatively vertically. Compared with the original central control design with a large inclination angle, the driver's field of vision is further narrowed upwards, which affects driving. Safety.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies of the prior art, and to propose a solution that can solve the influence of the existing large-screen liquid crystal instrument on the interior shape of the instrument panel (air outlet, storage box, etc.), the existing large-screen liquid crystal display instrument has large radiation, Vehicle display devices for problems such as the driver's small field of view.

For achieving the above object, the technical scheme provided by the present invention is:

A vehicle display device, comprising a projection module, a multifunctional intelligent control module, first and second position coordinate detection modules, first and second PLC control modules, a vehicle state detection module, a network module and a mobile terminal;

The first and second position coordinate detection modules, the vehicle state detection module, the network module and the mobile terminal are respectively connected with the multi-functional intelligent control module; and the multi-functional intelligent control module is connected with the projection module through the first and second PLC control modules;

The projection module includes a projection head, a projection screen, a projection head adjustment bracket for fixing and adjusting the projection head, and a projection screen adjustment bracket for fixing and adjusting the projection screen, and the projection head projects an image on the projection screen;

The projection screen is provided with a projection display area and an interior component installation area; the projection display area is used for displaying data images, and the interior component installation area is used for installing the air outlet and the interior components of the storage box.

Further, the projection head is fixed on the roof of the vehicle through the projection head adjustment bracket, and the projection screen is fixed under the front windshield through the projection screen adjustment bracket.

Further, the projection light head is fixed and adjusted on the sub-instrument console by the projection light head adjustment bracket, and the projection screen is adjusted and fixed under the front windshield by the projection screen adjustment bracket.

Further, the projection head adjustment bracket includes a first support and a first motor, the projection head is rotatably fixed on the first support through a first rotating shaft, and is driven to rotate by a first motor disposed on one side of the first support;

The projection screen adjustment bracket includes upper and lower telescopic cylinders and a fixed seat; the upper and lower telescopic cylinders are erected on the fixed seat in an up and down distribution, and are integrated with a fixed frame integrally formed on the back of the projection screen through their respective telescopic columns and second rotating shafts Connect, fix the projection screen.

Further, the projection head adjustment bracket includes a second support, a lead screw and a third motor;

Wherein, the second support is integrally formed by the vertical support part and the horizontal support part, and is L-shaped;

The end of the projection head is provided with two convex parts, and the two convex parts are provided with openings;

The projection head is mounted on the vertical support part of the second support through the third rotating shaft, and is connected with one end of the lead screw through the fourth rotating shaft passing through the opening of the convex part, and the other end of the lead screw is fixed on the second support. The support is connected to the third motor on the horizontal support part, and the projection head is driven to rotate by the third motor.

Further, the projection screen adjustment bracket includes a fixed frame seat, two sliding tables, a screw rod, two fourth motors, and a fifth motor;

Wherein, the inner sides of the two sides of the fixed frame seat are provided with sliding grooves, the outer sides of the two sliding tables are provided with bosses, and the two sliding tables are slidably fixed on the fixed frame seat through the respective corresponding bosses and the sliding grooves;

The projection screen is rotatably fixed between the two sliding tables through a fifth rotating shaft, and a fifth motor is installed on the outer side of one of the sliding tables to drive the projection screen to rotate;

The two fourth motors are installed on the back of the fixed frame seat, respectively corresponding to the left and right sliding tables; the screw rods are arranged between the fourth motor and the sliding table, one end of which is connected to the fourth motor, and the other end is fixed to the sliding table.

Further, the multifunctional intelligent control module includes a processor, a storage, a navigator, a radio, an audio player, and a driving recorder;

Among them, the storage, navigator, radio, audio player, driving recorder, first and second position coordinate detection modules, vehicle state detection module, network module and mobile terminal are respectively connected with the processor; The PLC control module is connected with the projection module.

Further, the first and second position coordinate detection modules are infrared detectors.

To achieve the above object, the present invention additionally provides a display method for a vehicle display device, comprising the following steps:

S1: Start the vehicle, the multi-functional intelligent control module processes the data, generates a display image, projects it through the projection head, and displays it on the projection screen;

S2: The vehicle state detection module detects the vehicle speed V, and sends the detected information to the processor in the multi-functional intelligent control module;

S3: The processor judges the speed of the vehicle, and the specific judgment process is as follows:

S3-1: Determine whether the vehicle speed V>0, if not, the projection screen and the projection head keep the existing display position unchanged, and return to step S2; if so, go to step S3-2;

S3-2: Detect the A1 point coordinates (x1, y1) of the driver's left eye and the A2 point coordinates (x2, y2) of the right eye through the first position coordinate detection module, and process and calculate the midpoint A3 coordinates of A1A2 ((x1 +x2)/2, (y1+y2)/2), the second position coordinate detection module detects the coordinates of point B (x3, y3) above the central axis of the projection screen and the coordinates of point C below the central axis of the projection screen (x4, y3) y4);

S3-3: Calculate the plane distance value from point A3 to point B and the plane distance value from point A3 to point C Set a value b, and process the calculation to obtain the values of b-Sab and b-Sac;

S3-4: Set a threshold value c to determine whether -c<b-Sab<c and -c<b-Sac<c are satisfied, if not, the first and second PLC control modules respectively control the output of the projection head and the projection screen. Adjust the position, and return to step S3-2;

If so, the projection screen and the projection head keep the existing display positions, display the display image, and return to step S2;

S4: The vehicle is turned off, the projection screen and the projection head keep the existing display positions, and the projection display ends.

Compared with the prior art, the principle and advantages of this scheme are as follows:

1. The use of projection module for image display can effectively reduce the light directly ingested into human eyes and avoid eye fatigue caused by a large amount of light during long-term driving; at the same time, it solves the problem of small vision in front of the driver.

2. The projection screen is provided with a projection display area and an interior component installation area, which can effectively shape other interior components on the instrument panel, such as air outlets and storage boxes.

3. Collect the driver's eye coordinate information through the first and second position coordinate detection modules, and use the first and second PLC control modules to adjust the positions of the projection head and the projection screen respectively through the projection head adjustment bracket and the projection screen adjustment bracket to adapt to the The same vehicle is aimed at different drivers, as well as the different sitting postures of the same vehicle user during driving. In the process of driving the vehicle, the driver does not need to bow his head, but only needs to move his sight down to obtain the relevant driving data clearly from the projection screen, which reduces the time for the driver to obtain data during driving, and lowers his head to obtain the data. The fatigue brought by the data further improves the driving safety factor.

Description of drawings

Fig. 1 is the principle block diagram of the vehicle display device of the present invention;

2 is a plan view of a projection screen in the present invention;

3 is a schematic structural diagram of a projection module in Embodiment 1 of the present invention;

4 is a schematic structural diagram of a projection head adjusting bracket in Embodiment 1 of the present invention;

5 is a schematic structural diagram of a projection screen adjusting bracket and a projection screen in Embodiment 1 of the present invention;

6 is a schematic structural diagram of a projection module in Embodiment 2 of the present invention;

FIG. 7 is a schematic structural diagram of a projection light head adjusting bracket in Embodiment 2 of the present invention;

8 is a schematic structural diagram of a projection screen adjusting bracket and a projection screen in Embodiment 2 of the present invention;

9 is a schematic diagram of coordinate detection in the vehicle coordinate system of the present invention;

FIG. 10 is a flow chart of the display method of the vehicle display device of the present invention.

Detailed ways

The present invention will be further described below in conjunction with two specific embodiments:

Example 1:

Referring to FIG. 1 , a vehicle display device described in this embodiment includes a projection module 1 , a multifunctional intelligent control module 2 , first and second position coordinate detection modules 3 and 4 , and first and second PLC control modules 5 , 6, vehicle state detection module 7, network module 8 and mobile terminal 9;

Specifically, the multi-functional intelligent control module 2 includes a processor, a memory, a navigator, a radio, an audio player, and a driving recorder; the memory, the navigator, the radio, the audio player, the driving recorder, the first and second positions The coordinate detection modules 3 and 4 , the vehicle state detection module 7 , the network module 8 and the mobile terminal 9 are respectively connected to the processor, and the processor is connected to the projection module 1 through the first and second PLC control modules 5 and 6 .

Among them, the first and second position coordinate detection modules 3 and 4 are infrared detectors.

The network module is used to connect the multi-function intelligent control system with the Internet data.

The vehicle state detection module 7 uses corresponding sensors to detect vehicle state data such as vehicle speed, fuel quantity, and engine speed, and transmits it to the processor.

The processor is used to process vehicle status data, mobile terminal data, Internet data, etc., and generate a data image, and call the display interface image stored in the storage to process the data image and the display interface to generate a projection image.

A plurality of display interface images are stored in the memory, and the display interface images can pass through the network module 8 . Downloaded from the Internet and stored in the storage, the user can choose the display interface image according to personal preference.

The projection module 1 includes a projection head 101 , a projection screen 102 , a projection head adjustment bracket 103 for fixing and adjusting the projection head 101 , and a projection screen adjustment bracket 104 for fixing and adjusting the projection screen 102 , and the projection head 101 projects an image to the projection screen 102 superior;

As shown in FIG. 2 , the projection screen 102 is provided with a projection display area A and an interior component installation area B; the projection display area A is used to display data images, and the interior component installation area B is used to install the air outlet C and the interior of the storage box D component.

In this embodiment, the projection head 101 is fixed on the vehicle ceiling through the projection head adjustment bracket 103 , and the projection screen 102 is fixed under the front windshield through the projection screen adjustment bracket 104 .

As shown in FIGS. 3-5 , the projection head adjustment bracket 103 includes a first support 105 and a first motor 106 . The projection head 101 is rotatably fixed on the first support 105 through the first rotating shaft, and is fixed on the first support 105 by the first support. The first motor 106 on one side is driven to rotate up and down, thereby changing the projection direction of the projection head 101 to adapt to the adjustment of the projection screen 102;

The projection screen adjustment bracket 104 includes upper and lower telescopic cylinders 107, 108 and a fixed seat 109; the upper and lower telescopic cylinders 107, 108 are erected on the fixed seat 109 in a vertical distribution, and are integrally formed with the respective telescopic columns and the second rotating shaft The fixing frame on the back of the projection screen 102 is connected to fix the projection screen 102 .

Through the synchronous driving of the upper and lower telescopic cylinders 107 and 108, the projection screen 102 can be adjusted in the forward and backward directions.

Through the asynchronous driving of the upper and lower telescopic cylinders 107 and 108, the projection screen 102 can be moved to adjust the display angle.

Referring to Figures 9-10, the specific process of the display method of the vehicle display device is as follows:

S1: Start the vehicle, the multi-functional intelligent control module 2 processes the data, generates a display image, projects through the projection head 101, and displays it on the projection screen 102;

S2: The vehicle state detection module 7 detects the vehicle speed V, and sends the detected information to the processor in the multifunctional intelligent control module 2;

S3: The processor judges the speed of the vehicle, and the specific judgment process is as follows:

S3-1: Determine whether the vehicle speed V>0, if not, the projection screen and the projection head keep the existing display position unchanged, and return to step S2; if so, go to step S3-2;

S3-2: Detect the A1 point coordinates (x1, y1) of the driver's left eye and the A2 point coordinates (x2, y2) of the right eye through the first position coordinate detection module, and process and calculate the midpoint A3 coordinates of A1A2 ((x1 +x2)/2, (y1+y2)/2), the second position coordinate detection module detects the coordinates of point B (x3, y3) above the central axis of the projection screen and the coordinates of point C below the central axis of the projection screen (x4, y3) y4);

S3-3: Calculate the plane distance value from point A3 to point B and the plane distance value from point A3 to point C Set a value b, and process the calculation to obtain the values of b-Sab and b-Sac;

S3-4: Set a threshold value c to determine whether -c<b-Sab<c and -c<b-Sac<c are satisfied, if not, the first and second PLC control modules 5 and 6 respectively control the projection head 101 Adjust the position of the projection screen 102 (including the adjustment of front and rear and angle), and return to step S3-2; if so, the projection screen 102 and the projection optical head 101 keep the existing display positions, display the displayed image, and return to step S3-2 S2;

S4: The vehicle is turned off, the projection screen 102 and the projection optical head 101 maintain the existing display positions, and the projection display ends.

Embodiment 2:

The difference from Example 1 is:

The projection optical head 101 is fixed and adjusted on the sub-instrument panel through the projection optical head adjustment bracket 103 .

Referring to FIGS. 6-8 , the projection head adjusting bracket 103 includes a second support 112 , a lead screw 113 and a third motor 114 ;

Wherein, the second support 112 is integrally formed by the vertical support portion 112-1 and the horizontal support portion 112-2, and is L-shaped;

The end of the projection head 101 is provided with two convex parts, and the two convex parts are provided with openings;

The projection optical head 101 is mounted on the vertical support portion 112-1 of the second support 112 through the third rotating shaft, and is connected to one end of the lead screw 113 through the fourth rotating shaft passing through the opening of the convex portion, and the lead screw 113 The other end is connected to the third motor 114 fixed on the horizontal support portion 112-2 of the second support 112, and the projection head 101 is driven by the third motor 114 to rotate up and down, thereby changing the projection direction of the projection head 101 to adapt to the projection Adjustment of the screen 102;

In addition, the projection screen adjustment bracket 104 includes a fixed frame base 115, two sliding tables 116, a screw 117, two fourth motors 110, and a fifth motor 111;

The inner sides of the two sides of the fixed frame base 115 are provided with sliding grooves 119 , and the outer sides of the two sliding tables 116 are provided with bosses 118 . on seat 115;

The projection screen 102 is rotatably fixed between the two sliding tables 116 through the fifth rotating shaft, and the fifth motor 111 is installed on the outer side of one of the sliding tables 116 to drive the projection screen 102 to rotate;

The two fourth motors 110 are installed on the back of the fixed frame seat 115, corresponding to the slide tables 116 on the left and right sides respectively; the screw rods 117 are arranged between the fourth motor 110 and the slide table 116, one end of which is connected to the fourth motor 110, and the other end is connected to the fourth motor 110. It is fixed to the slide table 116 .

In this embodiment, the difference between the specific process of the display method of the vehicle display device and the first embodiment is: the projection screen 102 is driven by the fifth motor 111 to adjust its angle; the two fourth motors 110 are driven synchronously, so that the projection screen 102 moves along the Move back and forth along the chute.

The two specific embodiments use a projection module for image display, which can effectively reduce the light directly ingested into human eyes and avoid eye fatigue caused by a large amount of light during long-term driving. question. In addition, the projection screen is provided with a projection display area and an interior component installation area, which can effectively carry out interior modeling for other interior components on the instrument panel, such as air outlets and storage boxes. In addition, the driver's eye coordinate information is collected by the first and second position coordinate detection modules, and the first and second PLC control modules are used to adjust the positions of the projection head and the projection screen respectively through the projection head adjustment bracket and the projection screen adjustment bracket, to Adapt to the same vehicle for different drivers and the different sitting postures of the same vehicle user during driving. In the process of driving the vehicle, the driver does not need to bow his head, but only needs to move his sight down to obtain the relevant driving data clearly from the projection screen, which reduces the time for the driver to obtain data during driving, and lowers his head to obtain the data. The fatigue brought by the data further improves the driving safety factor.

The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of implementation of the present invention. Therefore, any changes made according to the shape and principle of the present invention should be included within the protection scope of the present invention.

Claims (9)

1. a kind of vehicle display device, which is characterized in that including projection module (1), multifunctional intellectual control module (2), first, Two position coordinates detection modules (3,4), the first and second PLC control module (5,6), vehicle-state detection module (7), network module (8) and mobile terminal (9)；

The first and second position coordinates detection module (3,4), vehicle-state detection module (7), network module (8) and movement Terminal (9) is connect with multifunctional intellectual control module (2) respectively；And multifunctional intellectual control module (2) passes through the first and second PLC Control module (5,6) is connect with projection module (1)；

The projection module (1) includes projecting shaven head (101), projection screen (102), projecting shaven head (101) for fixed adjustment Projection shaven head adjustment bracket (103) and the projection screen for being used for fixed adjustment projection screen (102) adjust bracket (104), projected light Image is projected on projection screen (102) by head (101)；

Projection screen (102) the setting Projection Display area and trim components installing zone；Projection Display area is used for display data images, Trim components installing zone is for installing air outlet and storage tank trim components.

2. a kind of vehicle display device according to claim 1, which is characterized in that the projection bare headed (101) passes through throwing Shadow shaven head adjustment bracket (103) is fixed on vehicle ceiling, and projection screen (102) is fixed by projection screen adjustment bracket (104) In the lower section of front windshield.

3. a kind of vehicle display device according to claim 1, which is characterized in that the projection bare headed (101) passes through throwing Shadow shaven head adjusts bracket (103) fixed adjustment on secondary instrument desk, and projection screen (102) is adjusted by projection screen adjustment bracket (104) Solidating is scheduled on the lower section of front windshield.

4. a kind of vehicle display device according to claim 2, which is characterized in that the projection shaven head adjustment bracket (103) include the first support (105) and first motor (106), project bare headed (101) by first rotating shaft rotation and be fixed on first On support (105), the first motor (106) by the first support (105) side is arranged in drives rotation；

Projection screen adjustment bracket (104) includes upper and lower telescopic cylinder (107,108) and fixing seat (109)；It stretches above and below Contracting cylinder (107,108) is located on fixing seat (109) in upper and lower distribution frame, and passes through respective telescopic mast and the second shaft and one The body formed fixed frame at projection screen (102) back connects, fixed projection screen (102).

5. a kind of vehicle display device according to claim 3, which is characterized in that the projection shaven head adjustment bracket It (103) include the second support (112), lead screw (113) and third motor (114)；

Wherein, the second support (112) is integrally formed by vertical supporting part (112-1) and supporting part of taking the least important seat at a square table (112-2), L-shape；

The end for projecting bare headed (101) sets that there are two protrusions, which is equipped with aperture；

It projects bare headed (101) to be erected on the vertical supporting part (112-1) of the second support (112) by third shaft, and passes through The 4th shaft across its protrusion aperture is connect with one end of lead screw (113), and the other end of lead screw (113) and is fixed on second Support (112) is taken the least important seat at a square table the connection of the third motor (114) on supporting part (112-2), projects bare headed (101) by third motor (114) Drive rotation.

6. a kind of vehicle display device according to claim 3, which is characterized in that the projection screen adjusts bracket (104) Including fixed stand (115), two slide units (116), screw rod (117), two the 4th motors (110), the 5th motor (111)；

Wherein, it is provided with sliding slot (119) on the inside of fixed stand (115) both sides, two slide unit (116) lateral surfaces are provided with convex Platform (118), two slide units (116) are fixed on fixed stand by corresponding boss (118) and sliding slot (119) cooperation sliding (115) on；

The projection screen (102) is fixed between two slide units (116) by the rotation of the 5th shaft, the installation of the 5th motor (111) Slide unit (116) lateral surface wherein drives projection screen (102) rotation；

Described two 4th motors (110) are mounted on fixed stand (115) back, respectively correspond the slide unit (116) of the right and left； Screw rod (117) is set between the 4th motor (110) and slide unit (116), and one end is connect with the 4th motor (110), the other end It is fixed with slide unit (116).

7. a kind of vehicle display device according to claim 1, which is characterized in that the multifunctional intellectual control module It (2) include processor, reservoir, navigator, radio, audio player, automobile data recorder；

Wherein, reservoir, navigator, radio, audio player, automobile data recorder, the first and second position coordinates detection module (3,4), vehicle-state detection module (7), network module (8) and mobile terminal (9) are connect with processor respectively；Processor is logical The first and second PLC control module (5,6) is crossed to connect with projection module (1).

8. a kind of vehicle display device according to claim 7, which is characterized in that the first and second position coordinates detection Module (3,4) is infrared radiation detection apparatus.

9. a kind of display methods for vehicle display device described in claim 1, which comprises the following steps:

S1: starting vehicle, multifunctional intellectual control module handle data, generate display image, are projected by projecting shaven head, In projection screen display；

S2: vehicle-state detection module detects car speed V, and the information detected is sent to multifunctional intellectual control module In processor；

S3: processor judges that car speed, specific deterministic process is as follows:

S3-1: judging whether car speed V > 0, if it is not, then projection screen and projection shaven head keep existing display position state constant, Return step S2；If so, entering step S3-2；

S3-2: detecting the A1 point coordinate (x1, y1) of driver's left eye by first position coordinate measurement module, and the A2 point of right eye is sat It marks (x2, y2), the midpoint A3 coordinate ((x1+x2)/2, (y1+y2)/2) of A1A2 is calculated in processing, passes through second position coordinate Detection module detect projection screen central axes above B point coordinate (x3, y3) and below projection screen central axes C point coordinate (x4, y4)；

S3-3: the plan range value of point A3 to B point is calculatedWith putting down for point A3 to C point Face distance valueA value b is set, the value of b-Sab, b-Sac is calculated in processing；

S3-4: one threshold value c of setting judges whether satisfaction-c <b-Sab < c and-c <b-Sac < c, if it is not, then the first and second PLC is controlled Molding block is respectively adjusted the position of projection shaven head and projection screen, and returns to step S3-2；If so, projection screen and throwing Shadow shaven head keeps existing display position, carries out display image and shows, and returns to step S2；

S4: vehicle stall, projection screen and projection shaven head keep existing display position, and Projection Display terminates.