CN111942153A - Automobile central control system and instrument panel display system thereof - Google Patents
Automobile central control system and instrument panel display system thereof Download PDFInfo
- Publication number
- CN111942153A CN111942153A CN202010849553.XA CN202010849553A CN111942153A CN 111942153 A CN111942153 A CN 111942153A CN 202010849553 A CN202010849553 A CN 202010849553A CN 111942153 A CN111942153 A CN 111942153A
- Authority
- CN
- China
- Prior art keywords
- control board
- data
- signal
- control
- display system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003993 interaction Effects 0.000 claims abstract description 16
- 150000003071 polychlorinated biphenyls Chemical class 0.000 claims description 14
- 239000000284 extract Substances 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000013078 crystal Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B60K35/50—
-
- B60K35/10—
-
- B60K35/22—
-
- B60K2360/46—
Landscapes
- Instrument Panels (AREA)
Abstract
The invention discloses an automobile central control system and an instrument panel display system thereof, wherein the instrument panel display system comprises: the display screen comprises a standard driving interface and a standard data interface; the drive board of display screen includes: the first control board is matched with the vehicle body connector, and the functional circuit on the second control board is a standardized device; the first control board and the second control board are electrically connected through a wiring terminal; the first control board responds to the trigger signal, provides a driving signal for the display screen and provides a data indication signal for the second control board; and the second control board responds to the data indication signal to extract the data to be displayed corresponding to the data indication signal and sends the data to the display screen. Therefore, on one hand, the data interaction of different vehicle types can be adapted through the first control panel; on the other hand, the second control board has versatility. When the device on first control panel or second control panel breaks down, only need change first control panel or second control panel can, reduced cost of maintenance.
Description
Technical Field
The invention relates to the technical field of automotive electronics, in particular to an automotive central control system and an instrument panel display system thereof.
Background
With the popularization of automobiles, the holding capacity of the automobiles is larger and larger. The dashboard of the vehicle is a device reflecting the working conditions of various systems of the vehicle, and the system can display, for example, a speedometer, a tachometer, various status indicators and the like through the dashboard. Generally, a dashboard display system of an automobile comprises a display screen and a control panel, wherein the control panel drives the display screen and sends display data to the display screen, and the display screen visually presents the display data.
The control bottom plate needs to read the relevant data of the automobile body, and for different automobile manufacturers or automobiles of the same manufacturer and different models, the product forms of the control bottom plate are obviously different, so that the universality of the control bottom plate among different automobiles is poor. In addition, the product forms of the instrument panels are different among different automobiles, which also causes the product forms of the control bottom plate to be different, and limits the universality of the control bottom plate.
In addition, when a module or a device on the control panel is damaged, the control panel should be replaced as a whole, which results in high maintenance cost of the dashboard display system of the vehicle. Moreover, with the abundance of automobile instruments, on one hand, the control bottom plate needs to be continuously upgraded, and if the control bottom plate is integrally replaced, the upgrading cost is also too high; on the other hand, the dashboard display system has limited controller space, and it is difficult to additionally increase hardware configuration.
Therefore, how to improve the component universality of the automobile instrument panel display system, realize the overall miniaturization of the controller, and reduce the maintenance and upgrade costs becomes an urgent technical problem to be solved.
Disclosure of Invention
Based on the above situation, a main object of the present invention is to provide an automobile dashboard display system, so as to improve the component versatility of the automobile dashboard display system, achieve the overall miniaturization of the controller, and reduce the maintenance cost.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
in a first aspect, an embodiment of the present invention discloses an automobile dashboard display system, including: the display screen comprises a standard driving interface and a standard data interface, and receives a driving signal through the standard driving interface so as to display data received by the standard data interface; the drive board of display screen includes: the first control board is matched with the vehicle body connector, and a functional circuit on the second control board is a standardized device; the first control board provides a driving signal for the display screen through a command interface; the first control board analyzes the vehicle body data provided by the vehicle body connector to generate a driving signal and a data indicating signal to be displayed; the second control board stores a data set to be displayed, and data in the data set is indexed and extracted through a data indication signal; the second control panel is connected with the standard data interface through a data interface; the first control board and the second control board are electrically connected through a wiring terminal; the second control plate is positioned above the first control plate, and the projection of the second control plate on the horizontal plane is positioned in the projection of the first control plate on the horizontal plane; wherein, the terminal that is located second control board side includes: the contact pins in the first contact pin group are arranged in a straight line, and the contact pins in the second contact pin group are arranged in a straight line; the second control board is provided with two oppositely arranged side edges, and the first pin group and the second pin group are respectively and sequentially arranged along the two oppositely arranged side edges; the second control board is stacked and inserted on the first control board through the first contact pin group and the second contact pin group; the first control board responds to the trigger signal, provides a driving signal for the display screen and provides a data indication signal for the second control board; the second control panel responds to the data indication signal to extract the data to be displayed corresponding to the data indication signal and sends the data to the display screen, so that the display screen displays the received display data.
Alternatively, the functional circuit on the second control board is connected to the terminal on the second control board side through a standard wiring.
Optionally, the number of pins in the first pin group is greater than the number of pins in the second pin group.
Optionally, the second control board has an electrical device disposed in an area overlapping the first control board; the dashboard display system further comprises: and the insulation sheet is positioned between the first control board and the second control board.
Optionally, the second control board comprises a multilayer laminated PCB; wherein: the top layer and the bottom layer of the laminated PCB are first signal layers which are used for arranging functional circuits on the second control board; and, the sub-top layer and the sub-bottom layer of the stacked PCB are ground layers such that the top layer and the sub-top layer form an electrical signal return, and the bottom layer and the sub-bottom layer form an electrical signal return.
Optionally, the stacked PCB further comprises: two second signal layers respectively positioned between the secondary top layer and the power supply layer and between the secondary bottom layer and the power supply layer; the two second signal layers provide supplementary wiring for the two first signal layers; and the power supply layer is positioned at the innermost layer of the laminated PCB and is used for providing a power supply reference plane for the second signal layer.
Optionally, a through hole via is directly formed in the stacked PCBs, and the PCBs in each layer are in signal connection through the through hole via.
Optionally, the second control panel is rectangular; the standardized device of the second control board includes: CPU, DDR and electrically sensitive devices; the CPU is positioned in the area of the center of the second control board close to the left side edge, and any side edge of the CPU is obliquely arranged relative to any side edge of the second control board; the DDR is arranged in an area, close to the left side, on the second control board, and the DDR is positioned on two sides of a diagonal line of the CPU; the electrically sensitive device is located in a right side corner region on the second control board, and the side edges of the corner region are farther away from the CPU relative to the respective opposite side.
In a second aspect, an embodiment of the present invention discloses an automobile central control system, including:
the man-machine interaction module is used for receiving key operation of a user; and the automobile instrument panel display system disclosed by the first aspect performs data interaction with the human-computer interaction module through the automobile body connector.
[ PROBLEMS ] the present invention
According to the automobile central control system and the instrument panel display system thereof disclosed by the embodiment of the invention, the drive board of the display screen comprises two control boards, the first control board is matched with the automobile body connector, so that the first control board can be adapted to the automobile body connector and read and analyze automobile body data, and a functional circuit on the second control board is a standardized device, namely the second control board is a standardized and platformized control board; the first control board provides a driving signal to the display screen through a command interface, the second control board is connected with a standard data interface through a data interface, namely, the first control board and the second control board respectively provide the driving signal and display data to the display screen through the standard interface; and the first control panel and the second control panel are electrically connected through two rows of contact pin sets, so that on the one hand, the data interaction of different vehicle types can be adapted through the first control panel, namely different first control panels can be customized for different vehicle types. In a second aspect, the second control board is a standardized and platform control board and can be connected to different first control boards and display screens through standardized interfaces, namely, the second control board has universality; when the device on first control panel or second control panel breaks down, only need change first control panel or second control panel can, reduced cost of maintenance. In the third aspect, the second control board is positioned in the horizontal plane projection of the first control board, so that the occupied area of the two control boards can be saved, the miniaturization of the whole controller is facilitated, the PCB surface area can be saved through the connection mode of the two rows of contact pins, and the connection strength can be increased.
In addition, acquire the automobile body data through first control panel, generate drive signal to and data indication signal, namely, realized dispatching, control data display in unison through first control panel to can provide the centralization of control, avoid the phenomenon that the display data that leads to because of the chronogenesis is not unified makes mistakes or blocks and pause.
Other advantages of the present invention will be described in the detailed description, and those skilled in the art will understand the technical features and technical solutions presented in the description.
Drawings
Embodiments according to the present invention will be described below with reference to the accompanying drawings. In the figure:
fig. 1 is a schematic structural diagram of an automobile dashboard display system disclosed in this embodiment;
fig. 2 is a schematic structural diagram of a wiring plane of a second control board disclosed in this embodiment;
fig. 3A and fig. 3B are schematic diagrams illustrating a state that a second control board is stacked and plugged on a first control board according to the present embodiment, wherein fig. 3A is a schematic diagram illustrating a side view structure, and fig. 3B is a schematic diagram illustrating a top view structure;
fig. 4 is a schematic diagram of a PCB distribution of a second control board disclosed in this embodiment.
Detailed Description
In order to improve the component universality of the automobile dashboard display system, realize the overall miniaturization of the controller, and reduce the maintenance cost, the embodiment discloses an automobile dashboard display system, please refer to fig. 1, which is a schematic diagram of the structural principle of the automobile dashboard display system disclosed in the embodiment, and the automobile dashboard display system includes: the display screen 100 comprises a standard driving interface 101 and a standard data interface 102, and the display screen 100 receives a driving signal through the standard driving interface 101 to display data received by the standard data interface 102. In this embodiment, the standard driving interface 101 and the standard data interface 102 refer to interfaces conforming to a display standard protocol in the field of display screens. In a specific implementation process, taking the lcd as an example, the standard driving interface 101 includes a power interface, a VGH/VGL interface, a backlight interface, and the like, and the display standard data interface 102 may be, for example, an LVDS0 interface, an LVDS1 interface, and the like.
In this embodiment, the display screen 100 is not particularly limited as long as data display can be achieved.
In this embodiment, the driving board of the display screen 100 includes two control boards, and specifically, referring to fig. 1, the driving board includes: first control panel 1 and second control panel 2, wherein, first control panel 1 and automobile body connector 3 adaptation, specifically, first control panel 1 CAN be connected with automobile body connector 3 through CAN communication module, certainly, CAN also add switching signal interface, analog signal interface as required. The functional circuit on the second control board 2 is a standardized device, in this embodiment, the standardized device includes, for example, a DC/DC module, a Flash memory module, a DDR, an eMMC, and the like, and the standardized device enables the second control board 2 to be platform and standardized, that is, the second control board 2 has more versatility. It should be noted that, in the implementation process, the second control board 2 may also include appropriate peripheral circuits, such as capacitors, resistors, and the like.
In a specific embodiment, the first control board 1 provides a driving signal to the display screen 100 through the command interface 11. As described above, the driving signal may include the dc power, the bias power VGH/VGL, and the like, and in the implementation process, the dc power and the bias power VGH/VGL may be respectively shared with other modules, that is, each module may be provided with a corresponding electrical signal by the same DCDC module and the same bias power module.
In this embodiment, the first control board 1 analyzes the vehicle body data provided by the vehicle body connector 3 to generate the driving signal and the data indication signal to be displayed. Specifically, the vehicle body data may be data such as a rotational speed, a vehicle speed, a temperature, an oil level, and the like; since the display screen 100 is driven by the first control board 1 and the second control board 2 together for display, after the first control board 1 generates the driving signal, the sequence information of the data transmission time should be sent to the second control board 2, so that the second control board 2 transmits the data to be displayed to the display screen 100 according to the sequence information provided by the first control board 1.
In a specific implementation process, the first control board 1 includes: the device comprises a single chip Microcomputer (MCU) and a crystal oscillator module, wherein each functional module is controlled by the MCU, for example, a bias voltage power supply module (VGH/VGL) and an LDO power supply module are connected to the MCU through GPIO ports, and the MCU controls the bias voltage power supply module (VGH/VGL) and the LDO power supply module through the GPIO ports; the MCU controls the DC/DC constant current module through the PWM signal; the Flash module carries out data read-write operation with the MCU through the SPI, and the EEPROM carries out data interaction with the MCU through the IIC.
Referring to fig. 1, the second control board 2 stores a data set to be displayed, in this embodiment, data in the data set is indexed and extracted by a data indication signal. In a particular embodiment, the secondary control board 2 is connected to the standard data interface 102 via the data interface 22.
In an embodiment, referring to fig. 1, fig. 2 and fig. 3A, the first control board 1 and the second control board 2 are electrically connected through a terminal 21, and specifically, the first control board 1 and the second control board 2 may perform data interaction through, for example, a UART. Specifically, the second control board 2 may include a microprocessor, for example, a CPU having an image data processing function, and the MCU of the first control board 1 is connected to the CPU of the second control board 2 through a UART, thereby implementing data interaction between the first control board 1 and the second control board 2. In an embodiment, please refer to fig. 3A and fig. 3B, which are schematic diagrams illustrating a state after a second control board is stacked and plugged on a first control board disclosed in this embodiment, wherein fig. 3A is a schematic diagram of a side view structure, and fig. 3B is a schematic diagram of a top view structure, wherein the second control board 2 is located above the first control board 1, and a horizontal projection of the second control board 2 is located within the horizontal projection of the first control board 1, wherein a terminal 21 located at a side of the second control board 2 includes: as shown by circles in fig. 2, the pins in the first pin group 21a are arranged in a straight line, and the pins in the second pin group 21b are arranged in a straight line, so that the area occupied by the terminals on the PCB can be reduced; the second control board 2 has two oppositely arranged side edges, and the first pin group 21a and the second pin group 21b are respectively and sequentially arranged along the two oppositely arranged side edges; the second control board 2 is stacked and plugged on the first control board 1 through the first pin group 21a and the second pin group 21 b. Specifically, the respective pins of the first pin group 21a and the second pin group 21b are inserted into the respective connection holes of the first control board 1, thereby achieving the electrical connection between the first control board 1 and the second control board 2.
In an alternative embodiment, the first and second pin groups 21a and 21b are respectively located at both sides of the CPU, thereby improving the connection strength between the first and second control boards 1 and 2 when connected to the first control board 1 through the first and second pin groups 21a and 21 b.
In order to avoid a plugging error between the first control board 1 and the second control board 2, in an alternative embodiment, the number of pins in the first pin group 21a is greater than the number of pins in the second pin group 21b, and the number of the excess pins is preferably an odd number, for example, the number of pins in the first pin group 21a is, for example, 40 pins, and the number of pins in the second pin group 21b is, for example, 39 pins. Specifically, the specific number of pins of the first pin group 21a and the second pin group 21b may be determined according to how many transmission signals are transmitted.
In this embodiment, through first control panel 1 and second control panel 2 through two rows of contact pin electricity connections for second control panel 2 can adapt to the first control panel 1 of different models, thereby, improved the commonality of second control panel, make the second control panel can standardize, the platformization.
In this embodiment, the first control board 1 provides a driving signal to the display screen 100 and a data indication signal to the second control board 2 in response to the trigger signal; the second control board 2 extracts data to be displayed corresponding to the data indication signal in response to the data indication signal and transmits the data to the display screen 100, so that the display screen 100 displays the received display data. In this embodiment, the trigger signal may be automatically provided by the vehicle body connector 3, for example, when the vehicle body connector 3 provides live information such as a rotating speed and a vehicle speed, the live information may be regarded as the trigger signal; or a control signal generated by manual activation by a user. Because the data to be displayed are stored in the second control board 2, the first control board 1 only needs to send the data indication signal to the second control board 2, and the second control board 2 extracts the corresponding data to be displayed according to the data indication signal index, that is, the first control board 1 is not needed to send the data to be displayed to the second control board 2. Because the data indication signal includes the time series information, the second control board 2 may send the data to be displayed to the display screen 100 when the transmission time arrives according to the time series information, and the display screen 100 displays the data to be displayed under the driving of the driving signal.
In a specific implementation, the second control board 2 includes: CPU and crystal oscillator module, each functional module is controlled by CPU. In a particular embodiment, the second control board 2 further comprises: storage modules, such as a Flash module, a DDR3 memory module, an eMMC module, and the like; the second control board 2 further includes: the DC/DC power module, for example, the 12V-0.9V DC/DC module, and each DC/DC module on the second control board 2 can be supplied with power by the first control board 1.
To enrich the platform functionality of the second control board 2, in an alternative embodiment, the second control board 2 may further comprise a connector interface, such as a USB connector interface, a Fakra interface, or the like.
In order to facilitate the standardized and flat wiring of the second control board 2, in an alternative embodiment, please refer to fig. 2, which is a schematic diagram of a wiring plane structure of the second control board disclosed in this embodiment, a functional circuit on the second control board 2 is connected to a terminal 21 of a standard interface located at the side of the second control board 2 through a standard circuit. In a specific embodiment, the standard line may be, for example, a line for connecting a serial port, and specifically, each functional circuit may be connected to the terminal 21 through the CPU, or may be individually wired to the terminal 21.
In order to arrange as many components as possible, in an alternative embodiment, the second control board 2 is arranged with electrical components in the area overlapping the first control board 1. Referring to fig. 3A, the dashboard display system further includes: and the insulating sheet 4 is positioned between the first control board 1 and the second control board 2. In a specific embodiment, the insulating sheet 4 may be a component having an insulating function, such as mylar film, in this embodiment, the first control board 1 and the second control board 2 may be isolated by the insulating sheet 4, so that mutual interference between devices in an overlapping area of the second control board 2 and the first control board 1 is avoided.
Referring to fig. 4, a PCB distribution diagram of a second control board disclosed in this embodiment is shown, in an alternative embodiment, the second control board 2 includes a multilayer laminated PCB, wherein: the top layer and the bottom layer of the stacked PCB are first signal layers for arranging functional circuits on the second control board 2, and the sub-top layer and the sub-bottom layer of the stacked PCB are ground layers so that the top layer and the sub-top layer form electrical signal return, and the bottom layer and the sub-bottom layer form electrical signal return. In this embodiment, establish top layer and the bottom of range upon range of PCB into first signal layer, improved signal quality, and adjacent secondary top layer, secondary bottom layer are the ground plane to, make first signal layer can form the backward flow with the PCB layer (ground plane) of neighbour, the backward flow path section, signal quality is good, thereby has improved the interference killing feature on first signal layer, has improved the EMC performance to the car machine.
In an alternative embodiment, the stacked PCB further comprises: power plane and two-layer second signal layer, wherein: the power supply layer is positioned at the innermost layer of the laminated PCB to provide a power supply reference plane for the second signal layer; the two second signal layers are respectively positioned between the secondary top layer and the power supply layer and between the secondary bottom layer and the power supply layer, and the two second signal layers provide supplementary wiring for the two first signal layers. In a specific embodiment, the power layer may be one layer or two layers, and when the power layer is two layers, the two power layers may be arranged next to each other. Some key lines in the first signal layer can be walked through the second signal layer, for example USB, LVDS, MIPI etc. to the line of external transmission stronger to and the line of anti-interference high requirement, all can walk the line through the second signal layer, from this, can improve holistic EMC performance.
In this embodiment, the power layer is located at the innermost layer of the stacked PCB, so that the same reference plane can be provided for the second signal layer.
In this embodiment, set up the routing layer in range upon range of PCB's inside, can walk the line interval with the signal and come to, can improve signal interference ability, reduce the external radiation of signal, then, improved the stability ability of signal.
Referring to fig. 4, in an alternative embodiment, a straight through-hole via 23 is disposed on the stacked PCBs, and the PCBs are signal-connected through the through-hole via 23. In the embodiment, the through hole 23 is arranged directly below, so that on one hand, a signal backflow path can be shortened, and the anti-interference capability is improved; on the other hand, the interference signal emitted to the outside can be reduced, and the driving safety is improved.
Referring to fig. 2, in an alternative embodiment, the second control board 2 is rectangular; the standardized device of the second control board 2 includes: the CPU, the DDR 24 and the electric sensitive device 25, wherein the CPU is located in the area close to the left side edge of the center of the second control board 2, and any side edge of the CPU is obliquely arranged relative to any side edge of the second control board 2. Specifically, the CPU is not vertically arranged in a horizontal plane with respect to the second control board 2, the CPU has a certain inclination angle with respect to either side of the second control board 2, and the CPU is located on the left side of the second control board 2, thereby allowing a larger placement area for the lower right corner region of the second control board 2.
The DDR 24 is provided on the second control board 2 in an area near the left side, and the DDR 24 is located on both sides of the CPU diagonal. In this embodiment, the CPU is inclined, and the DDR 24 is located on both sides of the CPU, so that the routing of the DDR 24 is shortest, and the DDR 24 is disposed in the region close to the left side on the second control board 2, so that the space on the left side of the second control board 2 is effectively utilized, the DDR 24 and the CPU are compact in structure, and the area of the PCB is saved.
The device 25 is located on the second control board 2 in the right corner area, the sides of which are further away from the CPU than the respective opposite sides. Specifically, the electric sensor 25 may be, for example, a high-speed switch, a flash, or the like. In the case of the electrical sensor 25, some of the devices are arranged parallel to the side of the CPU and some of the devices are arranged parallel to the side of the second control board 2, so that more electrical sensors 25 can be arranged by making full use of the corner area.
In the embodiment, the side edge of the right side corner area is far away from the CPU, so that more electrical components can be arranged in the corner area, and the area of the PCB is saved; and any side of the CPU is obliquely arranged relative to any side of the second control board 2, and the DDR 24 and the electric sensor 25 are positioned at two sides of the CPU, so that the heating elements are integrally dispersed, and the heat dissipation effect is improved.
This embodiment also discloses an automobile central control system, includes:
the automobile dashboard display system comprises a human-computer interaction module and the automobile dashboard display system disclosed by the embodiment, wherein the human-computer interaction module is used for receiving key operation of a user, and the automobile dashboard display system performs data interaction with the human-computer interaction module through an automobile body connector.
According to the automobile central control system and the instrument panel display system thereof disclosed by the embodiment of the invention, the drive board of the display screen comprises two control boards, the first control board is matched with the automobile body connector, so that the first control board can be adapted to the automobile body connector and read and analyze automobile body data, and a functional circuit on the second control board is a standardized device, namely the second control board is a standardized and platformized control board; the first control board provides a driving signal to the display screen through a command interface, the second control board is connected with a standard data interface through a data interface, namely, the first control board and the second control board respectively provide the driving signal and display data to the display screen through the standard interface; and the first control panel and the second control panel are electrically connected through two rows of contact pin sets, so that on the one hand, the data interaction of different vehicle types can be adapted through the first control panel, namely different first control panels can be customized for different vehicle types. In a second aspect, the second control board is a standardized and platform control board and can be connected to different first control boards and display screens through standardized interfaces, namely, the second control board has universality; when the device on first control panel or second control panel breaks down, only need change first control panel or second control panel can, reduced cost of maintenance. In the third aspect, the second control board is positioned in the horizontal plane projection of the first control board, so that the occupied area of the two control boards can be saved, the miniaturization of the whole controller is facilitated, in addition, the PCB surface area can be saved through the connection mode of the two rows of contact pins, and the connection strength can be improved.
In addition, acquire the automobile body data through first control panel, generate drive signal to and data indication signal, namely, realized dispatching, control data display in unison through first control panel to can provide the centralization of control, avoid the phenomenon that the display data that leads to because of the chronogenesis is not unified makes mistakes or blocks and pause.
It will be appreciated by those skilled in the art that the above-described preferred embodiments may be freely combined, superimposed, without conflict.
It will be understood that the embodiments described above are illustrative only and not restrictive, and that various obvious and equivalent modifications and substitutions for details described herein may be made by those skilled in the art without departing from the basic principles of the invention.
Claims (9)
1. An automotive dashboard display system comprising: the display screen (100) comprises a standard driving interface (101) and a standard data interface (102), and the display screen (100) receives a driving signal through the standard driving interface (101) to display data received by the standard data interface (102); it is characterized in that the preparation method is characterized in that,
the driving board of the display screen (100) includes: the device comprises a first control board (1) and a second control board (2), wherein the first control board (1) is matched with a vehicle body connector (3), and a functional circuit on the second control board (2) is a standardized device;
the first control board (1) provides the driving signal to the display screen (100) through a command interface (11); the first control board (1) analyzes the vehicle body data provided by the vehicle body connector (3) and generates the driving signal and a data indicating signal to be displayed;
the second control board (2) stores a data set to be displayed, and data in the data set is indexed and extracted through the data indication signal; the second control board (2) is connected with the standard data interface (102) through a data interface (22);
wherein the first control board (1) and the second control board (2) are electrically connected through a terminal (21); the second control board (2) is positioned above the first control board (1), and the horizontal projection of the second control board (2) is positioned in the horizontal projection of the first control board (1); wherein the terminal (21) on the second control board (2) side includes: a first pin group (21a) and a second pin group (21b), pins in the first pin group (21a) are arranged in a row, and pins in the second pin group (21b) are arranged in a row; the second control board (2) is provided with two oppositely arranged side edges, and the first pin group (21a) and the second pin group (21b) are respectively and sequentially arranged along the two oppositely arranged side edges; the second control board (2) is stacked and plugged on the first control board (1) through the first pin group (21a) and the second pin group (21 b);
the first control board (1) provides the driving signal to the display screen (100) and provides the data indication signal to the second control board (2) in response to a trigger signal; the second control board (2) responds to the data indication signal, extracts data to be displayed corresponding to the data indication signal and sends the data to the display screen (100), so that the display screen (100) displays the received display data.
2. The dashboard display system of claim 1, wherein the functional circuit on the second control panel (2) is connected to a terminal (21) on the side of the second control panel (2) by a standard line.
3. The dashboard display system of claim 1, wherein the number of pins in the first pin group (21a) is greater than the number of pins in the second pin group (21 b).
4. The dashboard display system of claim 1, wherein an area of the second control panel (2) overlapping the first control panel (1) is arranged with electrical devices;
the motormeter dish display system still includes: an insulating sheet (4) located between the first control board (1) and the second control board (2).
5. The motormeter panel display system according to any one of claims 1 to 4, wherein the second control panel (2) comprises a multilayer laminated PCB; wherein:
the top layer and the bottom layer of the laminated PCB are first signal layers which are used for arranging functional circuits on the second control board (2); and the number of the first and second electrodes,
the second top layer and the second bottom layer of the stacked PCB are ground layers such that the top layer and the second top layer form an electrical signal return, and the bottom layer and the second bottom layer form an electrical signal return.
6. The automotive dashboard display system of claim 5, wherein the laminated PCB further comprises:
two second signal layers respectively positioned between the secondary top layer and the power supply layer and between the secondary bottom layer and the power supply layer; the two second signal layers provide supplementary wiring for the two first signal layers;
a power plane located at an innermost layer of the stacked PCB to provide a power reference plane for the second signal layer.
7. The dashboard display system of claim 5, wherein said stacked PCBs have through-hole vias (23) extending downward, said through-hole vias (23) allowing signal connection between the PCBs.
8. The dashboard display system according to any of claims 1-7, wherein the second control panel (2) is rectangular; the standardization means of the second control board (2) comprise: CPU, DDR (24) and electrically sensitive devices (25);
the CPU is positioned in the area, close to the left side edge, of the center of the second control board (2), and any side edge of the CPU is obliquely arranged relative to any side edge of the second control board (2);
the DDR (24) is arranged in an area, close to the left side edge, of the second control board (2), and the DDR (24) is located on two sides of a diagonal line of the CPU;
the electrically active components (25) are located in a right-hand corner region on the second control board (2), the sides of which are further away from the CPU than the respective opposite sides.
9. An automotive central control system, characterized by comprising:
the man-machine interaction module is used for receiving key operation of a user; and
the dashboard display system of any of claims 1-8, wherein data interaction is performed with the human-machine interaction module through the body connector.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010849553.XA CN111942153B (en) | 2020-08-21 | 2020-08-21 | Automobile central control system and instrument panel display system thereof |
| PCT/CN2020/121105 WO2022036828A1 (en) | 2020-08-21 | 2020-10-15 | Automobile central control system and dashboard display system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010849553.XA CN111942153B (en) | 2020-08-21 | 2020-08-21 | Automobile central control system and instrument panel display system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111942153A true CN111942153A (en) | 2020-11-17 |
| CN111942153B CN111942153B (en) | 2021-05-11 |
Family
ID=73360227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010849553.XA Active CN111942153B (en) | 2020-08-21 | 2020-08-21 | Automobile central control system and instrument panel display system thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111942153B (en) |
| WO (1) | WO2022036828A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022036825A1 (en) * | 2020-08-21 | 2022-02-24 | 黑龙江天有为电子有限责任公司 | Car dashboard control device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1714822B1 (en) * | 2005-04-20 | 2009-01-14 | CNH U.K. Ltd. | Agricultural vehicle and implement information display |
| CN201233713Y (en) * | 2008-07-30 | 2009-05-06 | 北京迪文科技有限公司 | Human-machine interface driving module |
| CN103385039A (en) * | 2010-11-10 | 2013-11-06 | 法雷奥热系统公司 | Display screen |
| CN204302615U (en) * | 2015-01-04 | 2015-04-29 | 京东方科技集团股份有限公司 | A kind of display unit |
| CN104691450A (en) * | 2013-12-09 | 2015-06-10 | 哈曼贝克自动系统股份有限公司 | User interface |
| CN106211570A (en) * | 2016-09-22 | 2016-12-07 | 京信通信技术(广州)有限公司 | Radio frequency PCB attachment structure and method of attachment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201203434Y (en) * | 2008-04-10 | 2009-03-04 | 立碁电子工业股份有限公司 | Display device |
| CN202029703U (en) * | 2011-05-12 | 2011-11-09 | 重庆力华科技有限责任公司 | Special instrument for new energy vehicle |
| CN202480892U (en) * | 2011-12-02 | 2012-10-10 | 山东天海电装有限公司 | Digital instrument for pure electric bus |
| CN208180961U (en) * | 2018-02-28 | 2018-12-04 | 河南金硅科技股份有限公司 | A kind of integrated form vehicle intelligent terminal equipment |
| JP2020019369A (en) * | 2018-07-31 | 2020-02-06 | 日本精機株式会社 | Display device for vehicle, method and computer program |
-
2020
- 2020-08-21 CN CN202010849553.XA patent/CN111942153B/en active Active
- 2020-10-15 WO PCT/CN2020/121105 patent/WO2022036828A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1714822B1 (en) * | 2005-04-20 | 2009-01-14 | CNH U.K. Ltd. | Agricultural vehicle and implement information display |
| CN201233713Y (en) * | 2008-07-30 | 2009-05-06 | 北京迪文科技有限公司 | Human-machine interface driving module |
| CN103385039A (en) * | 2010-11-10 | 2013-11-06 | 法雷奥热系统公司 | Display screen |
| CN104691450A (en) * | 2013-12-09 | 2015-06-10 | 哈曼贝克自动系统股份有限公司 | User interface |
| CN204302615U (en) * | 2015-01-04 | 2015-04-29 | 京东方科技集团股份有限公司 | A kind of display unit |
| CN106211570A (en) * | 2016-09-22 | 2016-12-07 | 京信通信技术(广州)有限公司 | Radio frequency PCB attachment structure and method of attachment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022036825A1 (en) * | 2020-08-21 | 2022-02-24 | 黑龙江天有为电子有限责任公司 | Car dashboard control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111942153B (en) | 2021-05-11 |
| WO2022036828A1 (en) | 2022-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106790811B (en) | Display screen drive system and mobile terminal | |
| US8832344B2 (en) | Baseboard, extension module, and structure for connecting baseboard and extension module | |
| CN204302618U (en) | A kind of display device | |
| CN111942153B (en) | Automobile central control system and instrument panel display system thereof | |
| CN204632997U (en) | The terminal of mainboard coupling assembling and application thereof | |
| US9973668B2 (en) | Camera system having a modular printed circuit board arrangement | |
| CN112468748A (en) | Adapter plate applied to display screen and display device | |
| CN212685254U (en) | Combined driving plate of automobile instrument panel | |
| CN101477261A (en) | Modularized touch control panel | |
| JP2016083965A (en) | Vehicular display unit and display control unit | |
| CN212685255U (en) | Automobile instrument panel control device | |
| US20120319975A1 (en) | Screen unit with a touch panel | |
| CN213056713U (en) | Automobile instrument panel control panel | |
| CN211603444U (en) | Test board for integrated circuit | |
| CN114115606B (en) | Touch display panel and display device | |
| CN211628229U (en) | Binding circuit board, display device and electrical equipment | |
| CN210136712U (en) | Display driving chip, display panel, display device and display system | |
| CN218272594U (en) | Test printed circuit board and display test device | |
| CN210551346U (en) | Line arrangement structure for bus type driver switching | |
| CN215812929U (en) | Liquid crystal drive IC verification platform | |
| CN216751865U (en) | Image signal generator | |
| CN216849193U (en) | LED display module and LED display device with same | |
| CN219740348U (en) | FPC for vehicle-mounted touch keys, vehicle-mounted lamplight touch device, vehicle-mounted electronic equipment and vehicle | |
| CN216122653U (en) | TV integrated circuit board subassembly and electronic equipment | |
| CN214151291U (en) | Universal liquid crystal display module testing device with strong anti-interference capability |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 152000 Economic Development Zone, Beilin District, Suihua City, Heilongjiang Province Patentee after: Heilongjiang tianyouwei Electronics Co.,Ltd. Address before: 152000 Economic Development Zone, Beilin District, Suihua City, Heilongjiang Province Patentee before: HEILONGJIANG TIANYOUWEI ELECTRONIC Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |