CN210327791U - Vehicle-mounted central control system mainboard and vehicle-mounted central control terminal - Google Patents
Vehicle-mounted central control system mainboard and vehicle-mounted central control terminal Download PDFInfo
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Abstract
The utility model provides an on-vehicle center control system mainboard relates to the circuit design field, including main circuit board, be equipped with power management unit on the main circuit board, power management unit is connected with treater, random access memory, embedded memory, multimedia chip electricity respectively, is used for giving the treater random access memory embedded memory multimedia chip power supply, simultaneously, the treater respectively with power management unit random access memory embedded memory multimedia chip telecommunication connection. The utility model discloses because on-vehicle center control system mainboard is the highest with the general frequency, and the most basic core components and parts are integrated, make the utility model discloses have extremely strong commonality, need not carry out the difference demand that the re-layout design just can satisfy different users to the core components and parts. The utility model also provides a accuse terminal in on-vehicle.
Description
Technical Field
The utility model relates to a circuit design field particularly, relates to a accuse terminal in on-vehicle center control system mainboard and on-vehicle.
Background
Along with the discovery of internet, the vehicle is intelligent continuously to be improved, and on-vehicle equipment is along with intelligent, has appeared the intelligent equipment of a great variety on the on-vehicle market, like systems such as HUD (new line display), ADAS (advanced driver assistance system), well accuse screen (IVI) instrument. The technologies adopted by the products are basically similar, but the specific requirements of various large vehicle enterprises for the products are different greatly, and even if the same vehicle enterprises and manufacturers exist, the requirements of each vehicle type for the products are also different, so that a scheme supplier has larger workload, each product needs to redesign hardware and software completely, the design period of the whole project is longer, meanwhile, the resource waste is caused, and the different requirements of the vehicle enterprises and manufacturers cannot be met quickly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a good on-vehicle center control system mainboard of suitability, the commonality is strong simultaneously more stable.
Based on the above object, the utility model provides a vehicle-mounted center control system mainboard, including main circuit board, be equipped with power management unit on the main circuit board, power management unit respectively with treater telecommunication connection, and be connected with random access memory, embedded memory, multimedia chip electricity, be used for the treater random access memory embedded memory multimedia chip power supply, simultaneously, the treater still respectively with random access memory embedded memory multimedia chip telecommunication connection.
The utility model provides an on-vehicle center control system mainboard, preferably, the multimedia chip includes audio chip and video chip. The addition of audio chip and video chip has promoted the multimedia function of on-vehicle center control system mainboard, lets the user have better seeing and hearing and enjoy.
The utility model provides an on-vehicle center control system mainboard preferably, still includes signal transceiver unit, signal transceiver unit includes at least one of WIFI unit, infrared unit, bluetooth unit, 4G 5G communication unit, signal transceiver unit with treater telecommunication connection, signal transceiver unit with the power management unit electricity is connected.
Because the thing networking is more and more important at present, even use the center control system on the car, also to networking function person's more and more strict requirement, consequently multiple signal receiving and dispatching unit's selection and use can be strengthened greatly the utility model provides a selection of networking function of on-vehicle center control system mainboard lets the utility model discloses accord with present auto industry's needs more.
The vehicle-mounted central control system mainboard provided by the utility model preferably also comprises a multimedia input interface and a multimedia output interface, used for receiving and outputting multimedia signals, the multimedia input interface comprises an audio input interface and a video input interface, wherein the video input interface comprises at least one of an HDMI interface, an SD memory card interface, a USB interface and a CVBS interface, the multimedia input interface is electrically connected with the power management unit and is in telecommunication connection with the processor through the multimedia chip, for converting the signal of the multimedia input device into a recognizable signal of the multimedia output device, the multimedia output interface comprises an audio output interface and a video output interface, and the multimedia output interface is in telecommunication connection with the processor and is used for outputting the identifiable signal to a multimedia output device.
Abundant multimedia interface can expand the function at on-vehicle central control terminal greatly, lets on-vehicle central control system mainboard have better universal performance simultaneously, can the different demands of adaptation, no longer need often adjust and modify on-vehicle central control system mainboard, guarantees the stability of on-vehicle central control system mainboard.
The utility model provides a vehicle-mounted center control system mainboard, preferably, the power management unit includes the power management chip, the power management chip with treater telecommunication connection. Through the power management chip can be better carry out efficient management to power supply, let on-vehicle center control system mainboard energy consumption lower, power saving more.
The utility model provides an on-vehicle center control system mainboard, preferably, still includes: the power management unit, the processor, the random access memory, the embedded memory and the multimedia chip are all arranged on one side of the main circuit board, and at least part of the matched components are arranged on the other side of the main circuit board.
By the arrangement, core components are centralized, so that an engineer can maintain and repair the power management unit, the processor, the random access memory, the embedded memory and the multimedia chip conveniently.
The utility model provides an on-vehicle center control system mainboard, preferably, supporting components and parts include resistance and electric capacity. The matched components assist the use of matched core components, such as the processor and the power management unit, and ensure the normal work of the mainboard of the vehicle-mounted central control system.
The utility model provides an on-vehicle center control system mainboard, preferably, still include the shield cover, the shield cover is detained being equipped with of main circuit board one side of treater is right for the shielding electromagnetism the treater random access memory with embedded memory's interference. Electromagnetic interference can lead to the components and parts of on-vehicle center control system mainboard to move disorderly, influences the realization of normal function, installs the shield cover for this reason additional, shields the interference of electromagnetism to core components and parts such as treater, random access memory through the shield cover, guarantees on-vehicle center control system mainboard normal operating.
The utility model provides a vehicle-mounted center control system mainboard, preferably, the treater sets up the center of main circuit board, random access memory sets up the treater top, embedded memory with the power management unit sets up the treater left side, the length of main circuit board is 60-80mm, the width of main circuit board is 40-60 mm.
The processor is arranged in such a way that the distance from the processor to the random access memory and the embedded memory is close, the wiring distance from the processor to the random access memory and the embedded memory is the shortest distance in wiring, the wiring length is reduced, signals transmitted from the processor to the random access memory and the embedded memory are more stable, and the influence of line coupling on signal transmission is reduced.
Meanwhile, the length of the main circuit board is 60-80mm, and the width of the main circuit board is 40-60 mm. The main circuit board of this size is applicable to most motorcycle types, and the commonality is strong, and better the installation is in the center console of vehicle.
The utility model also provides a control terminal in on-vehicle, including display, microphone, audio output unit and above the on-vehicle center control system mainboard, on-vehicle center control system mainboard the multimedia output interface respectively with the display with audio output unit telecommunication connection, on-vehicle center control system mainboard the multimedia input interface with microphone telecommunication connection.
The utility model provides a accuse terminal in on-vehicle has the commonality, the strong characteristics of suitability to can realize system upgrade or increase the function, need not carry out too much modification to on-vehicle center control system mainboard, avoid rewiring the on-vehicle center control system mainboard, guarantee the steady operation at on-vehicle accuse terminal.
The beneficial effects of the utility model are that because on-vehicle center control system mainboard is highest with the general frequency, and the most basic core components and parts include the power management unit the treater random access memory embedded memory with multimedia chip integrates, makes the utility model discloses have extremely strong commonality, need not carry out the difference demand that the design just has the ability to satisfy different users to the core components and parts, moreover because the core components and parts set up on main circuit board in advance, have better uniformity stability between the core components and parts and carry the interference ability, simultaneously the utility model discloses the development cycle of product is shortened greatly to modular setting, reduces the product development degree of difficulty, makes things convenient for the secondary development and the extensive quantization of product for product cost obviously reduces.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram of a main circuit structure of a first embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a first embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a main circuit board structure according to a first embodiment of the present invention;
fig. 4 is a schematic structural view of a vehicle-mounted central control terminal according to a second embodiment of the present invention.
Drawings
The system comprises a processor 101, a random access memory 102, a power management unit 103, a multimedia chip 104, an embedded memory 105 and a shielding case 106.
Detailed Description
The secondary development cost of the main board of the existing vehicle-mounted central control system is high, the difficulty is high, and the situation of incompatibility or unstable operation is easy to occur after the development.
In view of the above, the inventor designs an on-vehicle central control system mainboard with strong universality and adaptability.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1-3, the first embodiment of the present invention provides a vehicle-mounted center control system motherboard, which comprises a main circuit board, wherein a power management unit 103(PMU) is disposed on the main circuit board, the power management unit 103 is respectively connected to a processor 101(CPU) in a telecommunication manner, and is electrically connected to a ram 102, an inline memory 105, and a multimedia chip 104, so as to supply power to the processor 101, the ram 102, the inline memory 105, and the multimedia chip 104, and meanwhile, the processor 101 is also respectively connected to the ram 102, the inline memory 105, and the multimedia chip 104 in a telecommunication manner.
Because the on-vehicle center control system mainboard that this embodiment provided is the highest with the universal frequency, the most basic core components and parts are integrated, make this embodiment have extremely strong commonality simultaneously, need not carry out the rearrangement design to core components and parts just can have the differentiation demand that satisfies different users, and because core components and parts set up on main circuit board in advance, have better uniformity stability and carry the interference ability between the core components and parts, modular setting simultaneously, the development cycle of product is greatly shortened, reduce the product development degree of difficulty, make things convenient for secondary development and the large-scale quantization of product, make product cost obviously reduce.
The power management unit 103 in this embodiment is connected to a 5V external power point, so as to manage and output various power voltages required by different components, such as 1.0V, 1.1V, 1.5V, 1.8V, and 3.3V.
In this embodiment, the processor 101 is in telecommunication connection with the power management unit 103 through an IIC (integrated circuit bus) communication protocol, the random access memory 102 employs DDR3, wherein DDR3 is an abbreviation of DDR3 SDRAM (double-data synchronous dynamic random access memory), which is commonly referred to as DDR3, the processor 101 and the random access memory 102 are connected through a dedicated 32-bit high-speed DDR data line, and the processor 101 is communicated with the embedded memory 105 through an SD I/O protocol.
The multimedia chip 104 in this embodiment includes an audio chip and a video chip. The addition of audio chip and video chip has promoted the multimedia function of on-vehicle center control system mainboard, lets the user have better seeing and hearing and enjoy.
Simultaneously along with the networking demand that constantly increases, this embodiment still includes signal transceiver unit, and signal transceiver unit includes at least one in WIFI unit, infrared unit, bluetooth unit, the 4G/5G communication unit, and signal transceiver unit and treater 101 telecommunications connection, signal transceiver unit and power management unit 103 electricity are connected.
Because the thing networking is more and more important at present, even use the central control system on the car, also have more and more strict requirement to networking function person, consequently the selection and the use of multiple signal transceiver unit can strengthen the selection of the networking function of the on-vehicle central control system mainboard that this embodiment provided greatly, let this embodiment accord with the needs of present automobile industry more.
The embodiment further comprises a multimedia input interface and a multimedia output interface, which are used for receiving and outputting multimedia signals, wherein the multimedia input interface comprises an audio input interface and a video input interface, the video input interface comprises at least one of an HDMI interface, an SD memory card interface, a USB interface and a CVBS interface, the multimedia input interface is electrically connected with the power management unit 103, the multimedia input interface is in telecommunication connection with the processor 101 through a multimedia chip 104 and is used for converting signals of the multimedia input device into recognizable signals of the multimedia output device, the multimedia output interface comprises an audio output interface and a video output interface, and the multimedia output interface is in telecommunication connection with the processor 101 and is used for outputting the recognizable signals to the multimedia output device.
In this embodiment, the analog signal received by the video input interface is converted into an ITU656 digital signal that can be recognized by the processor 101 through the video chip, and then the ITU656 digital signal is decoded by the processor 101, and then the analog signal is transmitted to a video output device, such as a display, through an LVDS (low voltage differential signaling) signal by the processor 101.
The video output interface includes a liquid crystal display interface, which may be a common liquid crystal display interface, such as a TFT liquid crystal display interface, or a touch screen display interface. The audio signal and the video signal in this embodiment both support input and output in the form of digital signals and analog signals.
Abundant multimedia interface can expand the function at on-vehicle central control terminal greatly, lets on-vehicle central control system mainboard have better universal performance simultaneously, can the different demands of adaptation, no longer need often adjust and modify on-vehicle central control system mainboard, guarantees the stability of on-vehicle central control system mainboard.
For better power conservation and distribution, the power management unit 103 includes a power management chip that is communicatively coupled to the processor 101. Through the power management chip can be better carry out efficient management to power supply, let on-vehicle center control system mainboard energy consumption lower, power saving more.
As a control basis, the electronic device further comprises a clock module (RTC), the clock module is connected with the processor 101, the external 3.3v working voltage of the clock module can generate a time sequence signal, the working sequence of each component of the electronic device can be effectively controlled through the clock module, and normal use of the electronic device is guaranteed.
Because this embodiment is on-vehicle central control terminal, therefore this embodiment core components and parts are the car level product. In this embodiment, the processor 101 preferably employs a teleclips TCC8971 processor, an internal operation Android system, the random access memory 102 employs DDR3, employs two magnesium optical memory chips, which are 2GB in total, and the embedded memory 105 employs a heimerz memory chip, which is preferably 16GB, and can be internally provided with navigation and multimedia file storage. The power management unit 103 comprises a power management chip adopting teleclips TCC 5027. The video chip in the multimedia chip 104 adopts telecins AD55 to process the video signal.
In addition, the power management unit 103, the processor 101, the random access memory 102, the embedded memory 105, and the multimedia chip 104 of the present embodiment are all disposed on one side of the main circuit board, and at least some of the components are disposed on the other side of the main circuit board.
By such arrangement, the core components are centralized, and the engineer can conveniently maintain and repair the power management unit 103, the processor 101, the random access memory 102, the embedded memory 105 and the multimedia chip 104.
And the matching components comprise a resistor and a capacitor. The matched components assist the use of matched core components, such as the processor 101, the power management unit 103 and the like, and ensure the normal work of the mainboard of the vehicle-mounted central control system.
The present embodiment further includes a shielding cover 106, and the shielding cover 106 covers and covers the side of the main circuit board where the processor 101 is disposed, so as to shield the processor 101, the random access memory 102, and the embedded memory 105 from electromagnetic interference. The electromagnetic interference can cause the components of the vehicle-mounted central control system mainboard to operate disorderly, and the normal function is influenced, so that the shielding cover 106 is additionally arranged, the interference of the electromagnetism on the core components such as the processor 101, the random access memory 102 and the like is shielded through the shielding cover 106, and the normal operation of the vehicle-mounted central control system mainboard is ensured.
The processor 101 of the present embodiment is disposed in the center of the main circuit board, the random access memory 102 is disposed above the processor 101, the embedded memory 105 and the power management unit 103 are disposed on the left side of the processor 101, the length of the main circuit board is 60-80mm, and the width of the main circuit board is 40-60 mm.
The processor 101 is arranged in such a way that the distance from the processor 101 to the random access memory 102 and the embedded memory 105 is close, and during wiring, the wiring distance from the processor 101 to the random access memory 102 and the embedded memory 105 is the shortest distance, and the reduction of the wiring length ensures that signals transmitted from the processor 101 to the random access memory 102 and the embedded memory 105 are more stable, and the influence of line coupling on signal transmission is reduced.
Meanwhile, the length of the main circuit board is 60-80mm, and the width of the main circuit board is 40-60 mm. The main circuit board of this size is applicable to most motorcycle types, and the commonality is strong, and better the installation is in the center console of vehicle. The circuit board in this embodiment is preferably (65-75) mm x (45-55) mm, and the thickness is preferably 1.0-2.0 mm.
As shown in fig. 4, the utility model discloses the second embodiment provides a control terminal in on-vehicle, including the on-vehicle center control system mainboard that display, microphone, audio output unit and first embodiment provided, the multimedia output interface of on-vehicle center control system mainboard respectively with display and audio output unit telecommunication connection, the multimedia input interface and the microphone telecommunication connection of on-vehicle center control system mainboard.
The vehicle-mounted central control terminal provided by the embodiment has the characteristics of universality and strong adaptability, so that the system upgrading or function increasing can be realized, the vehicle-mounted central control system mainboard does not need to be modified too much, the vehicle-mounted central control system mainboard is prevented from being rewired, and the stable operation of the vehicle-mounted central control terminal is ensured. Because this embodiment is on-vehicle central control terminal, therefore this embodiment core components and parts are the car level product. The display in this embodiment may be a liquid crystal display or a touch screen liquid crystal display.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A mainboard of a vehicle-mounted central control system is characterized by comprising a main circuit board, wherein a power management unit is arranged on the main circuit board, the power management unit is respectively in telecommunication connection with a processor and is electrically connected with a random access memory, an embedded memory and a multimedia chip and used for supplying power to the processor, the random access memory, the embedded memory and the multimedia chip, and meanwhile, the processor is also respectively in telecommunication connection with the random access memory, the embedded memory and the multimedia chip.
2. The vehicle-mounted center control system mainboard of claim 1, wherein the multimedia chip comprises an audio chip and a video chip.
3. The vehicle-mounted central control system mainboard of claim 1, further comprising a signal transceiver unit, wherein the signal transceiver unit comprises at least one of a WIFI unit, an infrared unit, a Bluetooth unit and a 4G/5G communication unit, the signal transceiver unit is in telecommunication connection with the processor, and the signal transceiver unit is electrically connected with the power management unit.
4. The vehicle-mounted center control system mainboard of claim 1, further comprising a multimedia input interface and a multimedia output interface, used for receiving and outputting multimedia signals, the multimedia input interface comprises an audio input interface and a video input interface, wherein the video input interface comprises at least one of an HDMI interface, an SD memory card interface, a USB interface and a CVBS interface, the multimedia input interface is electrically connected with the power management unit and is in telecommunication connection with the processor through the multimedia chip, for converting the signal of the multimedia input device into a recognizable signal of the multimedia output device, the multimedia output interface comprises an audio output interface and a video output interface, and the multimedia output interface is in telecommunication connection with the processor and is used for outputting the identifiable signal to a multimedia output device.
5. The vehicle-mounted center control system mainboard of claim 1, wherein the power management unit comprises a power management chip, and the power management chip is in telecommunication connection with the processor.
6. The vehicle-mounted center control system main board according to claim 1, further comprising: the power management unit, the processor, the random access memory, the embedded memory and the multimedia chip are all arranged on one side of the main circuit board, and at least part of the matched components are arranged on the other side of the main circuit board.
7. The vehicle-mounted central control system mainboard of claim 6, wherein the matched components comprise a resistor and a capacitor.
8. The vehicle-mounted center control system mainboard of claim 7, further comprising a shielding case, wherein the shielding case is buckled on the side of the main circuit board where the processor is arranged, and is used for shielding electromagnetic interference on the processor, the random access memory and the embedded memory.
9. The vehicle-mounted center control system mainboard of claim 1, wherein the processor is arranged in the center of the main circuit board, the random access memory is arranged above the processor, the embedded memory and the power management unit are arranged on the left side of the processor, the length of the main circuit board is 60-80mm, and the width of the main circuit board is 40-60 mm.
10. A vehicle-mounted center control terminal is characterized by comprising a display, a microphone, an audio output unit and the vehicle-mounted center control system mainboard of claim 4, wherein the multimedia output interface of the vehicle-mounted center control system mainboard is respectively in telecommunication connection with the display and the audio output unit, and the multimedia input interface of the vehicle-mounted center control system mainboard is in telecommunication connection with the microphone.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114063913A (en) * | 2021-11-03 | 2022-02-18 | 东风汽车集团股份有限公司 | EMMC partition storage method and structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114063913A (en) * | 2021-11-03 | 2022-02-18 | 东风汽车集团股份有限公司 | EMMC partition storage method and structure |
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Denomination of utility model: On-board central control system motherboard and on-board central control terminal Effective date of registration: 20220810 Granted publication date: 20200414 Pledgee: Societe Generale Bank Co.,Ltd. Qingpu Branch of Shanghai Pledgor: SHANGHAI SHIHANG NETWORK TECHNOLOGY CO.,LTD. Registration number: Y2022980012276 |
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