CN110588346A - Multi-screen interaction system applied to automobile - Google Patents
Multi-screen interaction system applied to automobile Download PDFInfo
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- CN110588346A CN110588346A CN201910777152.5A CN201910777152A CN110588346A CN 110588346 A CN110588346 A CN 110588346A CN 201910777152 A CN201910777152 A CN 201910777152A CN 110588346 A CN110588346 A CN 110588346A
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- 238000004891 communication Methods 0.000 claims description 24
- 238000012790 confirmation Methods 0.000 claims description 17
- 238000012544 monitoring process Methods 0.000 claims description 16
- 239000000284 extract Substances 0.000 claims description 8
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
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Abstract
The invention provides a multi-screen interaction system applied to an automobile, which comprises: the central control host computer is connected with the instrument host computer, the central control host computer comprises a central control display screen, the instrument host computer comprises an instrument display screen, and the central control host computer sends content needing screen projection display to the instrument host computer for display according to the requirements of users. The user requirement comprises that the application icon on the central control display screen is operated according to the user or the application icon is operated by the user through voice, and then whether the user needs screen projection operation or not is judged according to an operation track formed by the user operation and a preset rule. The central control host can project the contents to be displayed on the instrument display screen for displaying, so that the operation of a driver in the driving process is facilitated, the driving safety can be improved, and the safety accident caused by the driver being distracted or not concentrating on the front of the vehicle is avoided.
Description
Technical Field
The invention relates to the field of automobile double-screen interaction, in particular to an automobile double-screen interaction system.
Background
With the popularity of automobiles, more and more automobiles enter thousands of households, but safety issues regarding automobiles are brought about as a result. In recent years, many automobile manufacturers and research institutions are popularizing intelligent automobiles, so that the automobiles tend to be intelligent and humanized. In the automobile industry, the development of unmanned automobiles, Advanced Driver Assistance Systems (ADAS), Antilock Braking Systems (ABS), and the like has become the development direction of future technologies. The rise of these safety assistance systems necessarily brings a good experience to the driver and passengers. However, the driving process is relatively boring, fatigue is easy to occur during long-time driving, drivers like to listen to music during the driving process, and at the present stage, automobiles are all provided with an In-Vehicle entertainment system (IVI), which is a Vehicle-mounted comprehensive information processing system formed by adopting a Vehicle-mounted special central processing unit and based on a Vehicle body bus system and internet service. The IVI can realize a series of applications including three-dimensional navigation, real-time road conditions, IPTV, auxiliary driving, fault detection, vehicle information, vehicle body control, mobile office, wireless communication, online-based entertainment functions, TSP (short message service) service and the like, and improves the electronization, networking and intelligentization levels of vehicles. According to the difference of functional forms of products, the vehicle-mounted entertainment system can be divided into an entertainment system and an information system. The entertainment system mainly comprises audio and video equipment such as CD, VCD, radio, multimedia and the like, which are used for providing entertainment services for drivers and passengers in the vehicle; the information system mainly comprises a navigation engine, software, an electronic map, wireless broadcast information, remote communication equipment and the like, and provides information service for drivers and passengers.
However, in the current design of the intelligent cabin of the automobile, an instrument display is arranged right in front of a driver's seat and used for displaying the speed, oil quantity, oil temperature and automobile body state of the automobile, a screen is arranged on the right side of the driver for displaying, and the driver watches navigation and movies in the vehicle-mounted host, or makes a call, receives a radio or switches on and off an air conditioner by using a touch screen, so that the operation is very inconvenient because the position of the screen is far away from the driver. If a driver turns on the navigation system through the vehicle-mounted host, the driver needs to continuously watch the navigation map, and the driver needs to look at the screen obliquely every time, if an emergency is met, a traffic accident is easily caused, and the vehicle is damaged and the death is caused in serious cases. In order to solve the problem that the driver cannot operate, the central control display screen is projected to the instrument end to display in the prior art. However, the screen projection method in the prior art is complex, which easily causes misoperation of a user, the content of the screen projection is not the content desired by the user, and the user needs to reselect. In addition, the screen projection content is complete screen projection, so that the contents of the vehicle speed, the vehicle body state, the engine speed and the like displayed by important instruments are covered, and safety accidents are easily caused.
Disclosure of Invention
Based on the defects in the prior art, the technical problem to be solved by the invention is to provide a multi-screen interaction system which can accurately project a screen and is applied to an automobile.
In order to achieve the above object, the present invention provides a multi-screen interactive system applied to an automobile:
the method comprises the following steps: the central control host computer is connected with the instrument host computer, the central control host computer comprises a central control display screen, the instrument host computer comprises an instrument display screen, and the central control host computer sends content needing screen projection display to the instrument host computer for display according to the requirements of users.
The multi-screen interaction system applied to the automobile, provided by the invention, further comprises a step of judging whether the user needs to perform screen projection operation according to an operation track formed by the operation of the user and a preset rule, wherein the user's requirement comprises the operation of an application icon on a central control display screen according to the user or the operation of the application icon through voice;
the preset rule comprises at least one of the following three modes:
mode 1: the method comprises the steps that an application icon is clicked and dragged to slide according to a user, judgment is carried out according to the sliding distance and the sliding direction, when the sliding distance is larger than a preset value and the sliding direction is towards an instrument end, screen-throwing operation is judged, and otherwise, non-screen-throwing operation is judged;
mode 2: when the operation track of the user is double-click of the application icon and is dragged to the instrument end, screen-throwing operation is considered;
mode 3: when the voice of the user needing screen projection can be matched with the predefined screen projection application program, screen projection operation is considered;
or the operation track at least comprises one of the user touching the screen by hands so as to move, drag or click the application icon or operate the application icon through voice.
The invention provides a multi-screen interaction system applied to an automobile, and further the instrument host (1) further comprises a CPU, a display control module, a monitoring module and a communication module, wherein the display control module, the monitoring module and the communication module are respectively and electrically connected with the CPU;
the CPU is at least configured to be responsible for calling, logic operation and resource allocation among the module processes of the system;
a meter display screen configured to display contents of the input and output;
the monitoring module is configured to monitor the signal transmitted from the central control host and judge whether the signal is a projection signal;
a display control module configured to control display content in the meter display screen.
The invention provides a multi-screen interaction system applied to an automobile, and further the central control host further comprises a CPU, a communication module and a projection module, wherein the communication module and the projection module are respectively and electrically connected with the CPU;
the CPU is at least configured to be responsible for calling, logic operation and resource allocation among the module processes of the system;
a communication module configured for communicating with a meter host;
and the projection module is configured to monitor the operation track of the user and judge whether the operation track is a screen projection operation.
The multi-screen interaction system applied to the automobile is characterized in that the display control module is used for controlling the content displayed by the instrument display screen, and if the instrument host receives the projection signal from the central control host, the display control module divides the instrument display screen into two parts, reduces the originally displayed content to be displayed in the first area and displays the projection content from the central control host in the second area.
The multi-screen interaction system applied to the automobile further comprises an application setting module, wherein the application setting module is configured to be used for controlling contents to be displayed in the display screens controlled by the central control host.
The invention provides a multi-screen interaction system applied to an automobile, further, the connection mode of the central control host and the instrument host comprises wired connection and wireless connection, the wired connection at least comprises one of a vehicle-mounted Ethernet bus, an LVDS bus, a CAN bus, HDMI, SPI, I2C, DVI and VGA, and the wireless connection mode comprises: WIFI, Bluetooth, 4G and 5G.
The invention provides a multi-screen interaction system applied to an automobile, and further the multi-screen interaction of the automobile comprises the following steps:
step S1: the central control host acquires the content which is required to be subjected to screen projection display by the user according to the operation track of the user;
step S2: the instrument host computer displays the content which is received from the central control host computer and needs to be projected on the instrument display screen;
the step S1 includes the steps of:
step S11: a user selects an application icon according to the requirement;
step S12: the user operates the application icon;
step S13: the projection module judges whether the user needs to perform screen projection operation according to the operation track and by combining a preset rule, if so, the step S14 is executed, and if not, the process is ended;
step S14: the projection module sends the content to be projected to the instrument host;
the step S2 includes the steps of:
step S15, the monitoring module monitors the content from the central control host and judges whether the content is the projection content, if the content is the projection content, the step S16 is executed, if the content is the non-projection content, the process is ended;
step S16, the display control module controls and displays the instrument display screen according to the projection content;
the invention provides a multi-screen interaction system applied to an automobile, and further, the central control host further comprises a voice module, and the voice module comprises:
the voice recognition module is configured to recognize according to the received voice of the user, convert the voice into characters and extract keywords from the characters;
an instruction database configured to store critical instructions;
the search module is configured to search and inquire whether the instruction exists in the instruction database according to the keyword identified by the voice identification module;
the confirmation module is configured to send whether screen projection operation is performed or not to a user for confirmation according to the instruction found by the search module;
and the instruction function matching module is configured to match the corresponding application program according to the key instruction stored in the instruction database and send a signal corresponding to the application program needing screen projection to the projection module.
The invention provides a multi-screen interaction system applied to an automobile, and further, the application icons are operated through voice, and the multi-screen interaction system comprises the following steps:
step S21, the user initiates voice according to the function requirement;
step S22, the voice recognition module recognizes the voice and extracts keywords;
step S23, the searching module inquires whether there is a corresponding application program in the instruction database according to the identified keyword, if yes, the step S24 is executed, if no, the process is ended;
step S24, the confirming module sends the corresponding application program to the user by voice or text mode to confirm whether the screen projection of the application program is needed, if the user confirms that the screen projection is needed, the step S25 is executed, if the user does not need to project the screen, the process is ended;
and step S25, the instruction function module sends a signal corresponding to the application program needing screen projection to the projection module.
In the multi-screen interaction system applied to the automobile, further, in step S24, the confirmation is sent to the user to confirm the form including the voice or the picture;
if voice confirmation is adopted, inquiring the user by sending voice of whether screen projection is needed, if the user says YES, OK or YES, considering that the user agrees to screen projection, and if the user does not say NO, NO or NO, considering that the user does not screen projection;
if the picture is confirmed, the central control display screen pops up a prompt picture for judging whether to screen, and gives a dialog box for selecting YES and NO, if YES is clicked by the user, the user considers screen projection, and if NO is clicked by the user, the user does not screen projection.
The invention provides a multi-screen interaction system applied to an automobile, and further comprises a rear-row display screen, wherein the rear-row display screen is arranged behind a front-row seat of the automobile and used for setting display contents according to user requirements, and the display contents are set through an application setting module;
or when the instrument display screen does not have the projection content of the central control host, the instrument display screen is used for displaying preset content, and the preset content comprises the engine rotating speed, the automobile tire pressure, the automobile body state and the automobile running speed; the automobile body state comprises an opening and closing state of an automobile door, an opening state of a hand brake, an opening and closing state of an automobile window, an opening and closing state of an automobile lamp, an opening and closing state of a windshield wiper, the amount of gasoline in an automobile oil tank and the temperature.
The invention provides a multi-screen interaction method applied to an automobile, which comprises the following steps:
step S1, the central control host acquires the content that the user needs to perform screen projection display according to the operation track of the user;
step S2, the meter host displays the content which is received from the central control host and needs to be projected on the meter display screen;
the step S1 includes the steps of:
step S11, selecting an application icon by the user according to the requirement;
step S12, when the user operates the application icon;
step S13, the projection module judges whether the user needs to perform screen projection operation according to the user operation track and the preset rule, if so, the step S14 is executed, and if not, the process is ended;
step S14, the projection module sends the content to be projected to the instrument host;
the operation track comprises that a user touches the screen by hands so as to move, drag or click the application icon or operate the application icon through voice.
The invention provides a multi-screen interaction method applied to an automobile, and further in step S13, the preset rule includes at least one of three ways,
mode 1: the method comprises the steps that an application icon is clicked and dragged to slide according to a user, judgment is carried out according to the sliding distance and the sliding direction, when the sliding distance is larger than a preset value and the sliding direction is towards an instrument end, screen-throwing operation is judged, and otherwise, non-screen-throwing operation is judged;
mode 2: when the operation track of the user is double-click of the application icon and is dragged to the instrument end, screen-throwing operation is considered;
mode 3: when the voice of the user needing screen projection can be matched with the predefined screen projection application program, the screen projection operation is considered.
The invention provides a multi-screen interaction method applied to an automobile, and further an application icon corresponding to an application program needing screen projection is placed in the middle of a central control display screen through an application setting module.
The invention provides a multi-screen interaction method applied to an automobile, and further the step S2 comprises the following steps:
step S15, the monitoring module monitors the content from the central control host and judges whether the content is projection content, if the content is projection content, the step S16 is executed, and if the content is non-projection content, the process is ended;
step S16, the display control module controls and displays the instrument display screen according to the projection content;
the invention provides a multi-screen interaction method applied to an automobile, and further in the step S16, the step of controlling the instrument display screen by a display control module comprises the following steps:
and performing split-screen display on the instrument display screen according to the projection content and the content to be displayed by the instrument end in the non-projection state, wherein the first area is used for reducing and displaying the content to be displayed by the instrument end in the non-projection state, and the second area is used for displaying the projection content.
The invention provides a multi-screen interaction method applied to an automobile, and further, the application icon is operated through voice through a voice module, and the voice module at least comprises the following steps:
the voice recognition module is configured to recognize according to the received voice of the user, convert the voice into characters and extract keywords from the characters;
an instruction database configured to store critical instructions;
the search module is configured to search and inquire whether the instruction exists in the instruction database according to the keyword identified by the voice identification module;
the confirmation module is configured to send whether screen projection operation is performed or not to a user for confirmation according to the instruction found by the search module;
and the instruction function matching module is configured to match the corresponding application program according to the key instruction stored in the instruction database and send a signal corresponding to the application program needing screen projection to the projection module.
The invention provides a multi-screen interaction method applied to an automobile, and further, the application icon is operated through voice, and the method comprises the following steps:
step S21, the user initiates voice according to the function requirement;
step S22, the voice recognition module recognizes the voice and extracts keywords;
step S23, the search module inquires whether there is a corresponding application program in the instruction database according to the identified keyword, if yes, the step S24 is executed, if no, the process is ended;
step S24, the confirmation module sends the corresponding application program to the user for confirmation in a voice or text mode, asks the user whether to screen the application program, if the user confirms that the screen is required to be projected, the step S25 is executed, and if the user does not need to screen, the process is ended;
and step S25, the instruction function module sends a signal corresponding to the application program needing screen projection to the projection module.
The invention provides a multi-screen interaction method applied to an automobile, and further in the step S24, the method is sent to a user to confirm a form including voice or pictures;
if voice confirmation is adopted, inquiring the user by sending voice of whether screen projection is needed, if the user says YES, OK or YES, considering that the user agrees to screen projection, and if the user does not, NO or NO, considering that the user does not screen projection;
if the picture is confirmed, the central control display screen pops up a prompt picture for judging whether to screen, and gives a dialog box for selecting YES and NO, if YES is clicked by the user, the user considers screen projection, and if NO is clicked by the user, the user does not screen projection.
The invention provides a multi-screen interaction method applied to an automobile, and further, the content of screen projection is allowed to be set through an application setting module;
and the application setting module is configured to be used for controlling the content to be displayed in the display screen controlled by the central control host.
The invention provides a multi-screen interaction method applied to an automobile, and further, the connection mode of an instrument host and a central control host comprises wired connection and wireless connection;
the wired connection at least comprises one of a vehicle-mounted Ethernet bus, a low-voltage differential signal transmission bus, a CAN bus, an HDMI, an SPI, I2C, a DVI and a VGA;
the wireless connection mode comprises the following steps: WIFI, Bluetooth, 4G and 5G.
Or when the instrument display screen does not have the projection content of the central control host, the instrument display screen is used for displaying preset content, and the preset content comprises the engine rotating speed, the automobile tire pressure, the automobile body state and the automobile running speed;
the automobile body state comprises an opening and closing state of an automobile door, an opening state of a hand brake, an opening and closing state of an automobile window, an opening and closing state of an automobile lamp, an opening and closing state of a windshield wiper, the amount of gasoline in an automobile oil tank and the temperature.
Has the advantages that:
1. the central control host can project the contents to be displayed on the instrument display screen for displaying, so that the operation of a driver in the driving process is facilitated, the driving safety can be improved, and the safety accident caused by the driver being distracted or not concentrating on the front of the vehicle is avoided.
2. According to the invention, the application setting module is arranged in the central control host, so that the application program needing screen projection can be customized through the application setting module, and screen projection by the application without screen projection is avoided. In addition, can set up unsafe application and throw the screen for the back row user, make the passenger also can enjoy the good experience that installs amusement APP in the well accuse host computer and bring at the driving in-process. Without worrying about the application program that the passenger unconsciously operates to influence safe driving.
3. In the screen projection display, the display control module controls the instrument display screen to perform split-screen display when the central control host computer performs screen projection, reduces the content displayed by the instrument display screen when the screen is not projected and displays the reduced content in the first area, and places the projected content in the other part of the screen to display the reduced content in the second area, thereby ensuring that the important content displayed at the instrument end is not covered due to screen projection display.
4. Compared with the prior art, the screen projection operation is simple and can prevent misoperation. Such as voice operation, double-click and slide operation, etc.
5. The connection of the invention adopts the connection based on the vehicle-mounted Ethernet, can avoid the transmission delay caused by the transmitted Ethernet network connection, and provides good experience for users.
Drawings
The following drawings are only schematic illustrations and explanations of the present invention, and do not limit the scope of the present invention.
Fig. 1 is a schematic structural diagram of the interconnection between the central control host and the meter host according to an embodiment of the present invention.
Fig. 2 is a schematic diagram illustrating that the instrument display screen normally displays preset content when the projection content of the central control host is absent in an embodiment of the present invention.
Fig. 3 is a schematic diagram of displaying preset content and projected content from the central control host on a split screen of the meter display screen according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a voice module according to an embodiment of the present invention.
Fig. 5 is a schematic flow chart illustrating a process in which the central control host sends content to be screened to the meter host for display according to an embodiment of the present invention.
Fig. 6 is a schematic diagram illustrating an operation track display of the central control display screen according to an embodiment of the present invention.
Fig. 7 is a schematic diagram of a middle portion of a central control display screen, in which application icons corresponding to APPs that need to be projected are concentrated.
Fig. 8 is a flowchart illustrating screen projection control by voice according to an embodiment of the present invention.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings, in which like reference numerals refer to like parts throughout. For the sake of simplicity, the drawings schematically show the relevant parts of the invention and do not represent the actual structure of the product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled.
As for the control system, the functional module, application program (APP), is well known to those skilled in the art, and may take any suitable form, either hardware or software, and may be a plurality of functional modules arranged discretely, or a plurality of functional units integrated into one piece of hardware. In its simplest form, the control system may be a controller, such as a combinational logic controller, a micro-programmed controller, or the like, so long as the operations described herein are enabled. Of course, the control system may also be integrated as a different module into one physical device without departing from the basic principle and scope of the invention.
Example 1:
the embodiment provides a multi-screen interaction system, and specifically referring to fig. 1, fig. 1 is a schematic structural diagram of interconnection between a central control host and an instrument host in the embodiment, and specifically includes an instrument host 1 and a central control host 2, where the instrument host 1 is connected with the central control host 2; the meter host 1 comprises a CPU14, a meter display screen 11, a display control module 15, a monitoring module 12 and a communication module 13, wherein the meter display screen 11, the display control module 15 and the monitoring module 12 are respectively and electrically connected with the CPU14 through the communication module 13; the central control host 2 comprises a CPU25, a communication module 24, an application setting module 22, a projection module 23 and a central control display screen 21, wherein the communication module 24, the application setting module 22, the projection module 23 and the central control display screen 21 are respectively electrically connected with a CPU 25;
specifically, the connection mode of the meter host 1 and the central control host 2 is that the communication module 13 in the meter host 1 and the communication module 24 in the central control host 2 are electrically connected, and the connection mode includes wired connection and wireless connection, in the wired connection, one of a vehicle-mounted ethernet bus, LVDS (low voltage differential signaling) bus, CAN bus, HDMI, SPI, I2C, DVI, and VGA is included, and the wireless connection mode includes: WIFI, Bluetooth, 4G and 5G.
Among them, the in-vehicle ethernet is an in-vehicle network technology for connecting an in-vehicle controller through an ethernet, unlike a domestic ethernet network using 4 pairs of Unshielded Twisted Pair (UTP) cables. The data transmission rate of the vehicle-mounted Ethernet using 2 pairs of unshielded twisted pair wires can reach 100Mbit/s, and the requirements of high reliability, low electromagnetic radiation, low power consumption, bandwidth allocation, low delay, synchronous real-time performance and the like of signal transmission, particularly video or audio signal transmission, of an automatic driving automobile adopting a level L2-L3 are met.
The physical layer of the vehicular Ethernet adopts the BroadR-Reach technology of the company Botong, and the physical layer (PHY) technology of the BroadR-Reach is standardized by the One-pair Ethernet Alliance (OPEN). The MAC layer of the vehicular Ethernet adopts the interface standard of IEEE 802.3, and supports a high-level network protocol (such as TCP/IP) similar to the traditional Ethernet.
The vehicle-mounted Ethernet follows a certain communication protocol and specification, and the vehicle-mounted Ethernet communication specification comprises the following aspects: a physical layer design specification; physical layer test specification; and diagnosing the communication protocol specification. In which video and audio transmission protocols are used
The AVB protocol suite is as follows.
(1) Precision Time Protocol (PTP), IEEE802.1 AS.
(2) Stream Reservation Protocol (SRP) — IEEE802.1Qat.
(3) Queue and Forwarding Protocol (Qav for short), IEEE802.1 Qav.
(4) Audio/Video Bridging Systems IEEE802.1 BA. The method comprises the following steps: first, IEEE 1722 and 2011 bridge the time-sensitive application layer II transport protocol standard in a LAN. IEEE 1733 plus 2011, time sensitive in bridged lans applies the third layer of transport protocol standards.
Due to the existence of the protocols, the time synchronization can be carried out on the transmission of the audio and the video in time, the delay of the picture is reduced, the user experience is improved, and the cost is low.
In the meter main unit 1, the functions of the respective modules are as follows:
a CPU14 configured at least to be responsible for calling, logic operation, and resource allocation among the system module processes;
a meter display screen 11 configured to display contents of input and output;
specifically, the instrument display screen 11 is used for displaying preset contents including an engine speed, a tire pressure of the automobile, a vehicle body state and an automobile running speed when the projected contents of the central control host are absent, wherein the vehicle body state includes an opening and closing state of a vehicle door, an opening state of a hand brake, an opening and closing state of a vehicle window, an opening and closing state of a vehicle lamp, an opening and closing state of a windshield wiper, an amount of gasoline in an automobile oil tank, a temperature and the like. When receiving the projection signal from the central control host, the projection signal can be displayed in a split screen mode, the state content of the original instrument display screen is reduced to be displayed in a first area of the instrument display screen, and the projection content from the central control host is displayed in a second area. Referring to fig. 2 and 3, fig. 2 is a schematic diagram illustrating that the instrument display screen normally displays preset content when the projected content of the central control host is absent in the embodiment. Such as: the engine speed, the automobile tire pressure, the automobile body state and the automobile running speed are shown in the figure 3, and the schematic diagram is that preset contents and projection contents from the central control host are displayed on the instrument display screen in a split screen mode. As can be seen from the figure, the left-hand display content of fig. 3 is a reduced display of the original content, and the right-hand display content is the projected in-vehicle navigation content from the central control host, as compared with fig. 2.
The monitoring module 12 is configured to monitor the signal transmitted from the central control host and determine whether the signal is a projection signal;
specifically, the monitoring module monitors a transmission signal from the central control host in real time, the projection signal can be determined by a predefined code or from a corresponding sending block, and when the monitoring module receives the signal, if the signal contains the predefined projection code, the signal is considered as the projection signal. Or from a predefined transmit port with a projected signal, the signal is considered a projected signal.
A display control module 15 configured to control display contents in the meter display screen;
specifically, the display control module is used for controlling the content displayed by the instrument display screen, and if the instrument host receives the projection signal from the central control host, the display control module divides the display screen into two parts, reduces the originally displayed content to be displayed in the first area, and displays the projection content from the central control host in the second area. As shown in fig. 3.
A communication module 13 configured to communicate with a central control host;
in the central control host 2, the functions of the modules are as follows:
a CPU25 configured at least to be responsible for calling, logic operation, and resource allocation among the system module processes;
a communication module 24 configured for communicating with a meter host;
the application setting module 22 is configured to control the content to be displayed in the display screen controlled by the central control host;
specifically, if a plurality of display screens are configured on the central control host, the application program (APP) to be displayed can be controlled through the application setting module, and the first screen is assumed to be used as a main screen and needs to display the content comprehensively. The second screen is as vice screen, and it only needs to show the content of some on-vehicle amusement, like the APP of love skill APP, the audio-visual APP of storm wind, believe APP a little APP, QQ, sets up these APP that need show at vice screen or sets up the application that needs show at the instrument display screen through using the setting module.
A center control display screen 21 configured to display input and output contents;
and the projection module 23 is configured to monitor an operation track of the user and determine whether the operation track is a screen projection operation.
Specifically, it should be noted that the present embodiment also provides a system for performing screen projection operation by voice.
The embodiment provides that the central control host 2 further comprises a voice module 26, the voice module 26 is electrically connected with the CPU, and the voice module 26 is configured to perform a screen projection operation according to a voice instruction received from the central control host. Fig. 4 is a schematic structural diagram of the voice module, and as shown in fig. 4, the voice module 26 includes:
the voice recognition module is configured to recognize according to the received voice of the user, convert the voice into characters and extract keywords from the characters;
an instruction database configured to store critical instructions;
the search module is configured to search and inquire whether the instruction exists in the instruction database according to the keyword identified by the voice identification module;
the confirmation module is configured to send whether screen projection operation is performed or not to a user for confirmation according to the instruction found by the search module;
the transmission may be in the form of voice or picture, if voice is used, such as: "whether the navigation needs to be screen-shot", when the user says "YES" or "OK" or "YES", the user is considered to agree to screen-shot. And if the user says 'No', 'NO' and 'No', the user is considered not to be projected. When the screen is used, the center control display screen 21 pops up a prompt screen for whether to perform screen projection or not and gives a dialog box for selecting "YES" and "NO". If the user clicks YES, the screen is considered to be projected, and if the user clicks NO, the screen is not projected;
and the instruction function matching module is configured to match the corresponding application program according to the key instructions stored in the instruction database and send the application program needing screen projection to the projection module.
Specifically, it should be noted that the present embodiment further includes a rear-row display screen 27, the rear-row display screen 27 is installed at the rear of the front seat of the vehicle, and may be multiple, and the rear-row display screen 27 is used for displaying a game APP, a movie APP, a music APP, a reading APP, and the like as required. The display content can be set by the application setting module 22, so that passengers in the back row can enjoy the comfort experience brought by the in-vehicle entertainment system.
In particular, it should be noted that "connected" and "electrically connected" in all embodiments of the present invention may include direct connection, indirect connection, and communication connection.
Example 2:
the embodiment provides a multi-screen interaction method applied to an automobile, which comprises the following steps:
step S1, the central control host acquires the content that the user needs to perform screen projection display according to the operation track of the user;
step S2, the meter host displays the content which is received from the central control host and needs to be projected on the meter display screen;
referring to fig. 5 in detail, fig. 5 is a schematic flow chart illustrating the process of inputting the content to be projected into the meter host by the central control host for display in the embodiment.
Step S1 specifically includes the following steps:
step S11, selecting an application icon by the user according to the requirement;
step S12, the user operates the application icon;
and step S13, the projection module judges whether the user needs to perform screen projection operation according to the operation track of the user and in combination with a preset rule, if so, the step S14 is executed, and if not, the process is ended.
The manipulation trajectory includes a user touching the screen with a hand to move, drag, or click the application icon or manipulate the application icon by voice.
The preset rules include three ways:
mode 1: the operation track of the user is that the user clicks an application icon and slides, whether the user needs screen projection operation or not is judged according to the sliding distance and the sliding direction, when the distance is larger than a preset value, the preset value can be 1/3, 1/4 or 1/5 screen length (which can be defined according to actual conditions), and the direction is directed to an instrument end, the screen projection operation is judged, otherwise, the screen non-projection operation is judged; referring to fig. 6, fig. 6 is a schematic diagram illustrating operation track display of the central control display screen in the embodiment. In fig. 6, a plurality of APPs are provided, and each APP can perform a screen projection operation.
In order to avoid that when the APP at the edge needs to be projected, and the sliding distance to the instrument end cannot meet the preset distance, the application icons corresponding to the Applications (APP) needing to be projected can be placed in the middle of the central control display screen through the application setting module, see fig. 7, and the application icons corresponding to the APPs needing to be projected are placed in the middle of the central control display screen in a centralized manner. In fig. 7, the middle part is for throwing screen APP concentrated area, and the screen APP is located both sides about the display screen is thrown to the non-.
Mode 2: when the operation track of the user is double-clicking the application icon and dragging the application icon to the instrument end, the screen-throwing operation is considered. The method is simple and quick, and other numerical calculations are not needed.
Mode 3: when the voice required to be projected by the user can be matched with the predefined screen projection APP, the screen projection operation is considered.
Step S14: and the projection module sends the content to be projected to the instrument host.
Step S2 specifically includes the following steps:
step S15, the monitoring module monitors the content from the central control host and judges whether the content is projection content, if the content is projection content, the step S16 is executed, and if the content is non-projection content, the process is ended;
step S16, the display control module controls and displays the instrument display screen according to the projection content;
specifically, the display control module performs split-screen display on the instrument display screen according to the projection content and the content to be displayed by the instrument end in the non-projection state, the first area is used for reducing and displaying the content to be displayed by the instrument end in the non-projection state, and the second area is used for displaying the projected content. As shown in fig. 3.
Example 3
The present embodiment provides a multi-screen interaction method applied to an automobile, which includes performing multi-screen interaction through voice, specifically referring to fig. 8, where fig. 8 is a schematic flowchart of a process of performing screen projection control through voice in the present embodiment, and specifically includes the following steps:
step S21, the user initiates voice according to the function requirement;
specifically, such as: the navigation screen needs to be projected to the instrument display screen, and a user can say that the user needs to navigate and project the screen, project the screen and navigate and the like.
Step S22, the voice recognition module recognizes the voice and extracts keywords;
specifically, the voice recognition module recognizes the received voice, converts the voice into characters and extracts keywords from the characters, such as "i need to navigate and screen-cast", "navigate and screen-cast", and "screen-cast navigation" extracted from "screen-cast navigation" as the keywords.
Step S23, the searching module inquires whether there is a corresponding application program in the instruction database according to the identified keyword, if yes, the step S24 is executed, if no, the process is ended;
specifically, the search module queries the instruction database with the identified keywords by using a preset search algorithm, and if screen projection navigation is performed, the keywords correspond to a navigation program and are matched at the moment. If the recognized keyword is 'screen projection of the beauty camera', and the query in the instruction database is not time, the keyword is considered not matched, and the process is ended.
Step S24, the confirmation module sends the corresponding application program to the user in a voice or text mode to confirm whether the application program is to be projected;
specifically, the confirmation module may play and ask the user whether to screen through voice, such as: and if the user needs to navigate the screen, the user answers yes to perform screen projection operation, and if the answer is no, the process is ended. If the user does not select within a preset time, such as 15s, 20s, 10s, the process is ended.
Step S25, the instruction function module sends a signal corresponding to the application program needing screen projection to the projection module;
specifically, the command function module sends a signal generated by a program for confirming that screen projection is required to the projection module.
Step S26, the projection module sends the content to be projected to the instrument host;
step S27, the monitoring module monitors the content from the central control host and judges whether the content is projection content, if the content is projection content, the step S28 is executed, and if the content is non-projection content, the process is ended;
and step S28, the display control module controls and displays the instrument display screen according to the projection content.
Specifically, the display control module performs split-screen display on the instrument display screen according to the projection content and the content to be displayed by the instrument end in the non-projection state, the first area is used for reducing and displaying the content to be displayed by the instrument end in the non-projection state, and the second area is used for displaying the projected content.
Claims (11)
1. The utility model provides a be applied to multi-screen interactive system of car, its characterized in that, includes well accuse host computer (2) and instrument host computer (1), well accuse host computer (2) are connected with instrument host computer (1), and well accuse host computer (2) are including well accuse display screen (21), and instrument host computer (1) includes instrument display screen (11), well accuse host computer (2) send the content that needs carry out the screen projection display to instrument host computer (1) and show according to user's demand.
2. A multi-screen interaction system applied to automobiles according to claim 1, wherein the user's requirement includes operating an application icon on the center display screen (21) according to an operation from the user or operating the application icon by voice, and then determining whether the user needs to perform a screen-casting operation according to an operation track formed by the user's operation and a preset rule;
the preset rule comprises at least one of the following three modes:
mode 1: the method comprises the steps that an application icon is clicked and dragged to slide according to a user, judgment is carried out according to the sliding distance and the sliding direction, when the sliding distance is larger than a preset value and the sliding direction is towards an instrument end, screen-throwing operation is judged, and otherwise, non-screen-throwing operation is judged;
mode 2: when the operation track of the user is double-click of the application icon and is dragged to the instrument end, screen-throwing operation is considered;
mode 3: when the voice of the user needing screen projection can be matched with the predefined screen projection application program, screen projection operation is considered;
or the operation track at least comprises one of the user touching the screen by hands so as to move, drag or click the application icon or operate the application icon through voice.
3. A multi-screen interaction system applied to automobiles according to claim 1, wherein the meter main body (1) further comprises a CPU (14), a display control module (15), a monitoring module (12), and a communication module (13), wherein the display control module (15) and the monitoring module (12), and the communication module (13) is respectively connected with the CPU (14);
the CPU (14) is at least configured to be responsible for calling, logic operation and resource allocation among the module processes of the system;
a meter display screen (11) configured to display contents of the input and output;
the monitoring module (12) is configured to monitor the signal transmitted from the central control host and judge whether the signal is a projection signal;
a display control module (15) configured to control display content in the meter display screen.
4. A multi-screen interaction system applied to automobiles according to claim 1, wherein the central control host (2) further comprises a CPU (25), a communication module (24) and a projection module (23), wherein the communication module (24) and the projection module (23) are respectively connected with the CPU (25);
the CPU (25) is at least configured to be responsible for calling, logic operation and resource allocation among the module processes of the system;
a communication module (24) configured for communicating with a meter host (1);
and the projection module (23) is configured to monitor the operation track of the user and judge whether the operation track is a screen projection operation.
5. A multi-screen interactive system for automobiles according to claim 3, wherein the display control module (15) is configured to control the content displayed on the instrument display screen, and if the instrument host (1) receives the projection signal from the central control host (2), the display control module (15) changes the instrument display screen into one (11) and reduces the content displayed originally to a first area for displaying, and displays the projection content from the central control host (2) in a second area.
6. A multi-screen interaction system applied to automobiles according to claim 1, wherein the central control host (2) further comprises an application setting module (22), and the application setting module (22) is configured to control the content to be displayed in the display screen controlled by the central control host (2);
or the connection mode of the central control host (2) and the instrument host (1) comprises wired connection and wireless connection, wherein in the wired connection, at least one of a vehicle-mounted Ethernet bus, an LVDS bus, a CAN bus, an HDMI, an SPI, I2C, a DVI and a VGA is included, and the wireless connection mode comprises: WIFI, Bluetooth, 4G and 5G.
7. A multi-screen interaction system as recited in any one of claims 1 to 6, wherein the multi-screen interaction comprises the following steps:
step S1: the central control host (2) acquires the content which is required to be subjected to screen projection display by the user according to the operation track of the user;
step S2: the instrument host (1) displays the content which is received from the central control host and needs to be projected on the instrument display screen;
the step S1 includes the steps of:
step S11: a user selects an application icon according to the requirement;
step S12: the user operates the application icon;
step S13: the projection module (23) judges whether the user needs to perform screen projection operation according to the operation track and a preset rule, if so, the step S14 is executed, and if not, the process is ended;
step S14: the projection module (23) sends the content to be projected to the instrument host (1);
the step S2 includes the steps of:
step S15, the monitoring module (12) monitors the content from the central control host (2) and judges whether the content is projection content, if the content is projection content, the step S16 is executed, and if the content is non-projection content, the process is ended;
and step S16, the display control module (15) controls and displays the instrument display screen (11) according to the projection content.
8. A multi-screen interaction system applied to automobiles according to claim 4, wherein the central control host (2) further comprises a voice module (26), and the voice module (26) comprises:
the voice recognition module is configured to recognize according to the received voice of the user and convert the voice into characters to extract keywords from the characters;
an instruction database configured to store critical instructions;
the search module is configured to search and inquire whether the instruction exists in the instruction database according to the keyword identified by the voice identification module;
the confirmation module is configured to send whether screen projection operation is performed or not to a user for confirmation according to the instruction found by the search module;
and the instruction function matching module is configured to match the corresponding application program according to the key instruction stored in the instruction database and send a signal corresponding to the application program needing screen projection to the projection module (23).
9. A multi-screen interaction system for automobiles according to claim 8, wherein operating the application icon by voice includes the steps of:
step S21, the user initiates voice according to the function requirement;
step S22, the voice recognition module recognizes the voice and extracts keywords;
step S23, the searching module inquires whether there is a corresponding application program in the instruction database according to the identified keyword, if yes, the step S24 is executed, if no, the process is ended;
step S24, the confirming module sends the corresponding application program to the user by voice or text mode to confirm whether the screen projection of the application program is needed, if the user confirms that the screen projection is needed, the step S25 is executed, if the user does not need to project the screen, the process is ended;
and step S25, the instruction function module sends a signal corresponding to the application program needing screen projection to the projection module (23).
10. A multi-screen interaction system as recited in claim 9, wherein in step S24, the confirmation is sent to the user in the form of voice or video;
if voice confirmation is adopted, inquiring the user by sending voice of whether screen projection is needed, if the user says YES, OK or YES, considering that the user agrees to screen projection, and if the user does not say NO, NO or NO, considering that the user does not screen projection;
if the picture is confirmed, the central control display screen pops up a prompt picture for judging whether to screen, and gives a dialog box for selecting YES and NO, if YES is clicked by the user, the user considers screen projection, and if NO is clicked by the user, the user does not screen projection.
11. A multi-screen interaction system applied to automobiles according to claim 6, wherein the central control host (2) further comprises a rear-row display screen (27), the rear-row display screen (27) is installed behind the front-row seats of the automobiles, the rear-row display screen (27) is used for setting display contents according to user requirements, and the display contents are set through the application setting module (22);
or when the instrument display screen (11) does not have the projection content of the central control host, the instrument display screen is used for displaying preset content, and the preset content comprises the rotating speed of an engine, the tire pressure of an automobile, the state of an automobile body and the running speed of the automobile; the automobile body state comprises an opening and closing state of an automobile door, an opening state of a hand brake, an opening and closing state of an automobile window, an opening and closing state of an automobile lamp, an opening and closing state of a windshield wiper, the amount of gasoline in an automobile oil tank and the temperature.
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| CN201910777152.5A CN110588346A (en) | 2019-08-22 | 2019-08-22 | Multi-screen interaction system applied to automobile |
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Application publication date: 20191220 |