TWM662774U - Car projection system - Google Patents

Abstract

A vehicle projection system includes a mobile device, a processor and a head-up display device. The mobile device is used to receive the packet information transmitted by the external database. The processor is used to receive the packet information transmitted by the mobile device and perform calculations with an algorithm to generate distance information and direction graphic information. The head-up display device includes a display component and a projection component. The display component has a plurality of split display screens for displaying the vehicle speed information transmitted by the electronic control unit or the distance information and direction graphic information transmitted by the processor. The projection component is used to project the plurality of split display screens of the display component through optical reflection to form a virtual image.

Description

Car projection system

A vehicle projection system, in particular a vehicle projection system that obtains driving information from an external database through a smart phone and displays it on a head-up display device.

With the rapid development of the modern automobile industry, the safety and comfort of vehicle driving have received more and more attention. Drivers need to obtain various information at any time during driving, such as vehicle speed, navigation route, speed limit prompts, etc. However, traditional instrument panels and central control displays usually require drivers to look down, which may cause distraction and increase the risk of traffic accidents.

In addition, in order to protect user privacy and data security, the vehicle's navigation information and other sensitive data are strictly protected. Do not allow plug-in devices (such as some third-party head-up displays) to capture this information to protect the driver's data security.

Therefore, how to develop a car projection system that can solve the above problems has become a problem to be solved in the relevant technical field.

To solve the above problems, according to one embodiment, the present invention provides a vehicle projection system, including a mobile device, a processor and a head-up display device.

The mobile device has a wireless communication unit, which is communicatively connected to an external database to receive a packet of information transmitted by the external database. The processor is communicatively connected to the mobile device to receive the packet of information transmitted by the mobile device. The processor operates the packet information with an algorithm to generate distance information and direction graphic information. The head-up display device is communicatively connected to the processor and wired to an electronic control unit of a vehicle to receive vehicle speed information transmitted by the electronic control unit, including a display component and a projection component.

The display component is communicatively connected to the processor and the electronic control unit. The display component has a plurality of split display screens for displaying the vehicle speed information transmitted by the electronic control unit or the distance information and the direction pattern information transmitted by the processor. The first split display screen is used to display the vehicle speed information and the second split display screen is used to display the distance information and the direction pattern information. The projection component is communicatively connected to the display component and is used to project the plurality of split display screens of the display component through optical reflection to form a virtual image.

According to another embodiment, the head-up display device further includes a control component, which is communicatively connected to the processor and the display component, and is used to receive a control message of the mobile device transmitted by the processor, and activate or deactivate the display component according to the control message.

According to another embodiment, the head-up display device further includes a light sensor, which is communicatively connected to the control component and is used to detect an ambient light intensity.

According to another embodiment, the control component is also connected to the light sensor to automatically adjust the brightness of the display component according to the ambient light intensity.

According to another embodiment, the external database is Google Maps.

According to another embodiment, the processor operates the packet information using the algorithm to generate the directional pattern information corresponding to the packet information from a specific plurality of directional pattern information. .

According to another embodiment, the head-up display device can be embedded in the horn position of the vehicle.

According to another embodiment, the above-mentioned multiple split display screens also include a third split display screen for displaying a warning graphic information.

The claimed functions of this new type include: (1) The system can receive and analyze packet information from an external database to generate driving information, thereby providing real-time driving-related data such as vehicle speed, distance, direction, speed limit information and navigation information, thereby improving driving experience and safety. (2) The head-up display device uses optical reflection projection technology to display image information within the driver's line of sight, eliminating the need to look down at the instrument panel, thereby improving driving safety and convenience.

100: Car projection system

110: Mobile device

112: Wireless communication unit

120: Processor

130: Heads-up display device

132: Display component

1321: First split display screen

1322: Second split display screen

1323: The third split display screen

134: Projection component

136: Control components

138: Light sensor

140: External database

150: Electronic control unit

160: Interface

170: Virtual Image

In order to make the above-mentioned technology and other purposes, features, advantages and embodiments of the present invention more clearly understandable, the attached drawings are described as follows: FIG1 is a schematic diagram of the structure of a vehicle projection system according to an embodiment of the present invention.

FIG2 is a three-dimensional diagram of a head-up display device according to an embodiment of the present invention.

FIG3 is a schematic diagram of a display component according to an embodiment of the present invention.

FIG4 is a schematic diagram of the use of a vehicle projection system according to an embodiment of the present invention.

FIG5 is a schematic diagram of the in-vehicle installation wiring of a head-up display device according to an embodiment of the present invention.

In order to more specifically illustrate the various embodiments of the present invention, the following is supplemented by drawings. It should be understood that when an element is referred to as "connected" or "disposed" on another element, it can mean that the element is directly located on the other element, or there may also be an intermediate element, through which the element and the other element are connected. Conversely, when an element is referred to as "directly on another element" or "directly connected to another element", it can be understood that it is clearly defined that there is no intermediate element.

Please refer to FIG. 1 . According to one embodiment, the present invention provides a vehicle projection system 100 , in particular, a vehicle projection system 100 capable of obtaining Google Maps navigation data through a smart phone and displaying it on a vehicle head-up display device 130 . The vehicle projection system 100 includes a mobile device 110 , a processor 120 , and a head-up display device 130 .

When the user activates the heads-up display device 130 through the mobile application in the mobile device 110, the mobile device 110 will receive the driving information transmitted by the external database 140. The mobile device 110 is responsible for receiving and forwarding the driving information transmitted by the external database 140. The mobile device 110 has a wireless communication unit 112, and the wireless communication unit 112 is connected to an external database 140, and the external database 140 is Google Maps. The mobile device 110 is connected to the Google Maps database through the network and receives the packet information transmitted by the external database 140. These packet information include but are not limited to current vehicle speed packet, current speed limit packet, road direction packet, navigation status packet, next indicator distance packet, next indicator time packet, destination distance packet, estimated destination arrival time packet, text category packet, command request packet, request response packet, etc.

The processor 120 (e.g., mobile device or electronic control unit 150, etc.) is communicatively connected to the mobile device 110 to receive packet information transmitted by the mobile device 110. The processor 120 operates the packet information with an algorithm to convert it into graphics, symbols, and text suitable for display on the head-up display device 130, and generates distance information and direction graphic information to ensure that the driver can obtain necessary driving information in the most intuitive and convenient way. Directional graphic information (as shown in Figure 3) consists of seven directional arrows (straight line, left front, right front, left, right, right rear, left rear). These arrows can accurately indicate different driving directions, helping drivers to more intuitively understand the upcoming road conditions and turn instructions. Distance information indicates how far away the turn is.

Please refer to Figures 1 and 2. Figure 2 shows a three-dimensional diagram of a head-up display device 130 according to an embodiment of the present invention. The head-up display device 130 is communicatively connected to the processor 120, and is disposed in the driving position of a vehicle, and the head-up display device 130 can be embedded in the horn position of the vehicle. This design not only saves space on the instrument panel, but also can be more naturally integrated into the interior design of the vehicle so that it will not affect the driver's field of vision. The power supply of the head-up display device 130 is provided by the car battery. Through the appropriate power line connection, the head-up display device 130 can stably obtain the required power from the vehicle. The head-up display device 130 is connected to the power supply of the vehicle through a specially designed interface 160 (as shown in FIG. 5 ), which is convenient for installation and use. At the same time, the interface 160 is also connected to the electronic control unit 150 of the vehicle to receive the vehicle speed information transmitted by the electronic control unit 150. The head-up display device 130 includes a display component 132 and a projection component 134.

Please refer to Figure 3, which is a screen diagram of a display component 132 according to an embodiment of the present invention. The display component 132 is communicatively connected to the processor 120 and the electronic control unit 150, and has a plurality of split display screens. Each split display screen can be used to display specific information. These split display screens are used to display the vehicle speed information transmitted by the electronic control unit 150, or the distance information and direction graphic information transmitted by the processor 120. Among them, the first split display screen 1321 is used to display the vehicle speed information. The second split display screen 1322 is used to display the distance information and the direction graphic information. The third split display screen 1323 is used to display warning graphic information, such as a speed limit icon to remind the driver of the speed limit requirements of the current road. Or other important driving tips to further improve driving safety.

The projection component 134 is communicatively connected to the display component 132 to project the multiple split display screens of the display component 132 through optical reflection to form a virtual image 170. The projection component 134 projects the information displayed by the display component 132 onto the windshield through optical reflection technology to clearly display the information in front of the driver's line of sight without affecting the driver's field of vision.

The head-up display device 130 also includes a control component 136, which is communicatively connected to the processor 120 and the display component 132, and is used to receive a control message from the mobile device 110 transmitted by the processor 120, and activate or deactivate the display component 132 according to the control message.

According to another embodiment, the head-up display device 130 further includes a light sensor 138 and a communication connection control component 136 for detecting an ambient light intensity.

According to another embodiment, the control component 136 is also connected to the light sensor 138 to automatically adjust the brightness of the display component 132 according to the ambient light intensity.

When the user directly activates the head-up display device 130 through the button of the head-up display device 130, the head-up display device 130 will only display the vehicle speed information transmitted from the vehicle's electronic control unit 150, and will not display other navigation or additional driving information.

Please refer to FIG. 4 , which is a schematic diagram of the use of a vehicle projection system 100 according to an embodiment of the present invention.

When the user activates the head-up display device 130 through the mobile application in the mobile device 110, the mobile device 110 first obtains the packet information of the external database 140 and transmits it to the processor 120 through wireless communication. The processor 120 further calculates the distance information and the direction graphic information with the algorithm. The distance information and the direction graphic information are then transmitted to the display component 132 of the head-up display device 130. At the same time, the head-up display device 130 also receives the vehicle speed information transmitted by the electronic control unit 150, and the display component 132 presents the received information on the display screen. The projection component 134 then projects the information on the display screen onto the windshield through optical reflection to form a virtual image 170. The virtual image 170 includes information such as the current vehicle speed, navigation direction, distance to the destination, speed limit reminder, etc., as shown in FIG4, so that the driver can obtain important image information without distracting attention, thereby improving driving safety and convenience. In addition, when the ambient light intensity changes, the light sensor 138 will detect and transmit the data to the control component 136, and the control component 136 will automatically adjust the brightness of the display component 132 according to the light intensity to ensure that the virtual image 170 is clearly visible under different light conditions.

It should also be noted that the term "includes", "comprising" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, commodity or device. In the absence of more restrictions, the elements defined by the phrase "comprising a ..." do not exclude the existence of other identical elements in the process, method, commodity or device including the elements.

The above implementation cases are only specific examples and are not intended to limit the scope of this new model. Any equivalent modifications or changes made to them do not deviate from the spirit and scope of this new model and should be included in the scope of the patent application of this case.

100: Car projection system

110: Mobile device

112: Wireless communication unit

120: Processor

130: Heads-up display device

132: Display component

134: Projection component

136: Control components

138: Light sensor

140: External database

150: Electronic control unit

Claims (8)

A vehicle projection system includes: a mobile device having a wireless communication unit, the wireless communication unit is communicatively connected to an external database for receiving a packet of information transmitted by the external database; a processor is communicatively connected to the mobile device for receiving the packet of information transmitted by the mobile device, the processor operates the packet information with an algorithm to generate distance information and direction graphic information; and a head-up display device is communicatively connected to the processor and wiredly connected to an electronic control unit of a vehicle for receiving vehicle speed information transmitted by the electronic control unit, including A display component, communicatively connected to the processor and the electronic control unit, the display component having a plurality of split display screens for displaying the vehicle speed information transmitted by the electronic control unit or the distance information and the direction graphic information transmitted by the processor; wherein the first split display screen is used to display the vehicle speed information and the second split display screen is used to display the distance information and the direction graphic information; and a projection component, communicatively connected to the display component, for projecting the split display screens of the display component through optical reflection to form a virtual image. As described in claim 1, the head-up display device further includes a control component, which is communicatively connected to the processor and the display component, and is used to receive a control message of the mobile device transmitted by the processor, and activate or deactivate the display component according to the control message. The vehicle projection system as described in claim 2, wherein the head-up display device further includes a light sensor, which is communicatively connected to the control component and is used to detect an ambient light intensity. In the vehicle projection system as described in claim 3, the control component is also communicatively connected to the light sensor for automatically adjusting the brightness of the display component according to the ambient light intensity. The vehicle projection system as described in claim 1, wherein the external database is Google Maps. The vehicle projection system as described in claim 1, wherein the processor operates the packet information using the algorithm to generate the directional pattern information corresponding to the packet information from a specific plurality of directional pattern information. A vehicle projection system as described in claim 1, wherein the head-up display device can be embedded in the speaker position of the vehicle. The vehicle projection system as described in claim 1, wherein the split display screens further include a third split display screen for displaying a warning graphic information.