CN210630173U

CN210630173U - Vehicle-mounted entertainment system host with modules generalized

Info

Publication number: CN210630173U
Application number: CN201920735193.3U
Authority: CN
Inventors: 周勇; 张波; 顾焰; 甘茂煌
Original assignee: Faurecia Coagent Electronic Technology Co Ltd
Current assignee: Faurecia Clarion Electronics Fengcheng Co Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-05-26
Anticipated expiration: 2029-05-21

Abstract

The utility model relates to the field of vehicle-mounted host computers, in particular to a vehicle-mounted entertainment system host computer with modules being generalized, which is characterized in that different core chip schemes are made into different PCB small modules by defining the connection interfaces of a general mainboard, a core board and an expansion board in a standard way, the general mainboard is designed in a unified way, and the expansion function is designed on the expansion board; modules of different core chip schemes are unified into the same interface information, and one set of platform structure is compatible with multiple sets of core chip schemes. The utility model discloses an integrate core circuit on nuclear core plate, basic circuit is placed on the mainboard commonly used, and extended function places on the switching function board, has realized the universalization of mainboard and the replaceability of core circuit and extended circuit to promoted the product maturity and the commonality of entertainment system host computer, realized the pluralism of product function through the interchange of different modules, also reduced the whole set of product realization cost of many configuration schemes.

Description

Vehicle-mounted entertainment system host with modules generalized

Technical Field

The utility model relates to an on-vehicle host computer field specifically discloses an on-vehicle entertainment system host computer of module universalization.

Background

With it. The diversification of the automobile market is increasing nowadays, and the functional requirements of the vehicle entertainment system for consumers are more and more diversified. Automobile manufacturers need to realize the differentiation of configuration on the same automobile type, satisfy different consumers' demand, promote the sales volume of vehicle, still need consider simultaneously reduce cost, seek development in the industry competition that is scorching day by day.

Automobile manufacturers use different chip schemes to realize differentiated configuration according to different requirements of functional configuration, but adopt traditional mainboard re-layout design, will certainly prolong the development period of the vehicle-mounted entertainment system host, and increase research and development, production cost and sales and warehousing cost.

The core chips of the existing vehicle-mounted host computer are various, and an ASIC (application specific integrated circuit), an FPGA (field programmable gate array), a GPU (graphic processing unit) or a CPU (central processing unit) chip is adopted as the core so as to deal with various vehicle-mounted computer demand scenes. Different main control cores, required peripheral circuits and bus modules are different, and the matching circuits of the core chips of the same type with different types and different performances are different, so that a great bottleneck is brought to the development of a vehicle-mounted host mainboard, the development cost is high, the period is long, enterprises are often irrevocable in the development of host products, and various flexible configuration adjustment cannot be realized.

SUMMERY OF THE UTILITY MODEL

In order to save the development cycle and the cost of on-vehicle host computer, promote product maturity and stability, the utility model provides an on-vehicle entertainment system host computer of module universalization.

The utility model adopts the technical proposal that: a vehicle-mounted entertainment system host with modules in universalization comprises a host circuit board and a host shell, wherein the host circuit board comprises a universal main board, a core board and an expansion board, the universal main board is provided with a core connecting seat for plugging the core board and an expansion connecting seat for plugging the expansion board, the universal main board is provided with an interface module for connecting external equipment, and the core connecting seat is respectively connected with the expansion connecting seat and the interface module through data lines; the core board is an independent PCB small board and comprises a processor chip and a module circuit, a core connecting end is arranged below the core board, the module circuit comprises a switching module for converting chip pin signals into corresponding core connecting end signals, and the module circuit further comprises a power supply module for ensuring stable power supply of the core board; the processor chip is connected with the core connecting end through the module circuit, and the upper end of the core board is provided with a heat dissipation block; the expansion board is an independent PCB small board, an expansion function circuit and an expansion interface are arranged on the expansion board, and an expansion connecting end is arranged below the expansion board; the host shell include box body, back shroud and heating panel, host computer circuit board is fixed connection in the box body, the position that the box body corresponds core plate radiating block is equipped with the core louvre, be equipped with the first trompil that corresponds general mainboard interface and correspond the second trompil of expanding the interface on the back shroud, the heating panel is fixed in one side of box body.

Preferably, the core connecting seat and the expansion connecting seat are pin sockets, and the core connecting end and the expansion connecting end are pin plugs.

Preferably, the core connecting seat and the expansion connecting seat are SMT welding bases, and the core connecting end and the expansion connecting end are SMT pins.

Preferably, the interface module includes a video output interface, an audio output interface, a data bus interface, a power interface and an antenna interface.

Preferably, the rear cover plate is provided with a hole plug or a baffle plate corresponding to the second hole, and the hole plug or the baffle plate is used for blocking the second hole when the expansion plate is not installed.

Preferably, a redundancy circuit used for reserving a function-expanding data line is arranged between the expanding connecting seat and the core connecting seat, and a plurality of reserved connection points corresponding to the redundancy circuit are arranged on the expanding connecting seat and the core connecting seat.

Preferably, the host shell is provided with an antenna, and the antenna is connected with the interface module of the universal mainboard.

The utility model has the advantages that: the core circuit is integrated on the core board, the common basic circuit is placed on the mainboard, the extended function is placed on the switching function board, the generalization of the mainboard and the replaceability of the core circuit and the extended circuit are realized, the product maturity and the commonality of the entertainment system host are improved, the diversification of product functions is realized through the exchange of different modules, and the whole product realization cost of a multi-configuration scheme is also reduced.

Drawings

Fig. 1 is an exploded view of the product part of the present invention.

Fig. 2 is a schematic diagram of the host circuit board of the present invention.

Fig. 3 is a schematic diagram of module connection according to the present invention.

In the figure: 1. general mainboard, 2, core plate, 3, expansion board, 4, box body, 5, back shroud, 6, heating panel, 7, antenna.

Detailed Description

Referring to fig. 1 to 3, the present invention includes a vehicle-mounted entertainment system host with a universal module, which includes a host circuit board and a host housing.

The host circuit board comprises a general mainboard 1, a plurality of core boards 2 and a plurality of expansion boards 3.

Referring to fig. 1 and 2, a core connection seat for plugging a core board 2 and an expansion connection seat for plugging an expansion board 3 are arranged on a general main board 1, an interface module for connecting external equipment is arranged on the general main board 1, and the core connection seat is respectively connected with the expansion connection seat and the interface module through data lines on a circuit board.

The core board 2 is an independent PCB small board, the core board 2 comprises a processor chip and a module circuit, a core connecting end is arranged below the core board 2, the module circuit comprises a switching module for converting chip pin signals into corresponding core connecting end signals, and the module circuit further comprises a power supply module for ensuring stable power supply of the core board 2; the processor chip is connected with the core connecting end through the module circuit, and the upper end of the core board 2 is provided with a radiating block.

The expansion board 3 is an independent PCB small board, the expansion board 3 is provided with an expansion function circuit and an expansion interface, and an expansion connecting end is arranged below the expansion board 3.

The core connecting seat and the expansion connecting seat can be pin sockets, and the core connecting end and the expansion connecting end are pin plugs, and can also be an SMT welding base and an SMT pin.

The host computer shell includes box body 4, back shroud 5 and heating panel 6, and the host computer circuit board is fixed connection in box body 4, and the position that box body 4 corresponds 2 radiating blocks of core plate is equipped with the core louvre, is equipped with the first trompil that corresponds general mainboard 1 interface and corresponds the second trompil of expanding the interface on back shroud 5.

The back cover plate 5 is provided with a hole plug or a blocking piece corresponding to the second hole for blocking the second hole when the expansion plate 3 is not installed.

Referring to fig. 1 to 3, an embodiment of the present invention is as follows:

the core board 2 and the expansion board 3 are both a BGA version and are connected with the general mainboard 1 through an SMT technology, namely, the core connecting seat and the expansion connecting seat are SMT welding bases, and the core connecting end and the expansion connecting end are SMT pins.

The unified PCB board that is a 45mm 46mm of size of nuclear core board 2, 90% model configuration only need general mainboard 1 and nuclear core board 2 to make up, and nuclear core board 2 adopts BGA welding mode or BTOB socket to connect, reduces nuclear core board 2 area, and reduce cost is more than 15 yuan, and nuclear core board 2 can be general.

The interface module on the universal main board 1 comprises a video output interface, an audio output interface, a data bus interface, a power interface, an antenna interface and a matching circuit thereof.

The power interface is connected with an external power supply and supplies power to the circuit of the whole host through the mainboard.

The data bus interface comprises a USB serial interface, a vehicle-mounted system bus interface or a serial port and is used for connecting other digital equipment in the vehicle.

The following functional circuits are integrated in the circuit of the general motherboard 1:

the system comprises a GPS module circuit, a gyroscope circuit, an audio output circuit, an MIC access circuit, a main screen output circuit, an Ethernet module circuit, a power control circuit, an SD card reading module, a reserved expansion circuit and the like.

The following functional circuits are integrated in the circuit of the core board 2:

the circuit comprises an encryption chip circuit, a CPU core circuit, a core chip power supply circuit, an AI module circuit and the like.

The expansion board 3 may integrate the following functional circuits:

additional function circuits such as a WIFI module circuit, a Bluetooth module circuit, a 4G module, a CVBS access circuit, an FM radio circuit, an MIPI built-in digital panoramic circuit, an MIPI2 external digital panoramic circuit, an auxiliary screen output circuit and the like.

A redundancy circuit used for reserving a function-expanding data circuit is arranged between the expansion connecting seat and the core connecting seat, a plurality of reserved connection points corresponding to the redundancy circuit are arranged on the expansion connecting seat and the core connecting seat, and sufficient interface space is reserved for future expansion design, so that the core board 2 and the universal main board 1 which are designed at present have sufficient universality and compatibility.

The utility model discloses on the interface function design commonly used mainboard during the design, some extended functionality adopt the mode of keysets to realize, and different extended functionality can be traded different keysets and realize. Therefore, the PCBA with different chip schemes can be assembled by one host structure, and the purpose of modular design is achieved.

When the host computer needs to have WIFI, Bluetooth or 4G function, an additional antenna 7 needs to be accessed. The host shell is provided with an antenna 7, and the antenna 7 is connected with an antenna interface of the universal mainboard 1.

Claims

1. The utility model provides a vehicle-mounted entertainment system host computer of module universalization, includes host computer circuit board and host computer shell, characterized by:

the host circuit board comprises a general mainboard (1), a core board (2) and an expansion board (3), wherein the general mainboard (1) is provided with a core connecting seat for plugging the core board (2) and an expansion connecting seat for plugging the expansion board (3), the general mainboard (1) is provided with an interface module for connecting external equipment, and the core connecting seat is respectively connected with the expansion connecting seat and the interface module;

the core board (2) is an independent PCB small board, the core board (2) comprises a processor chip and a module circuit, a core connecting end is arranged below the core board (2), the module circuit comprises a switching module for converting chip pin signals into signals corresponding to the core connecting end, and the module circuit further comprises a power supply module for ensuring stable power supply of the core board (2); the processor chip is connected with the core connecting end through the module circuit, and the upper end of the core board (2) is provided with a heat dissipation block;

the expansion board (3) is an independent PCB small board, an expansion function circuit and an expansion interface are arranged on the expansion board (3), and an expansion connecting end is arranged below the expansion board (3);

host computer shell include box body (4), back shroud (5) and heating panel (6), the host computer circuit board is fixed connection in box body (4), the position that box body (4) correspond core plate (2) radiating block is equipped with the core louvre, be equipped with the first trompil that corresponds general mainboard (1) interface and correspond the second trompil that expands the interface on back shroud (5), one side of box body (4) is fixed in heating panel (6).

2. The modular generalized in-vehicle entertainment system host of claim 1, further comprising: the core connecting seat and the expansion connecting seat are pin sockets, and the core connecting end and the expansion connecting end are pin plugs.

3. The modular generalized in-vehicle entertainment system host of claim 1, further comprising: the core connecting seat and the expansion connecting seat are SMT welding bases, and the core connecting end and the expansion connecting end are SMT pins.

4. The modular generalized in-vehicle entertainment system host of claim 1, further comprising: the interface module comprises a video output interface, an audio output interface, a data bus interface, a power interface and an antenna interface.

5. The modular generalized in-vehicle entertainment system host of claim 1, further comprising: and the rear cover plate (5) is provided with a hole plug or a baffle sheet corresponding to the second open hole and used for blocking the second open hole when the expansion plate (3) is not installed.

6. The modular generalized in-vehicle entertainment system host of claim 1, further comprising: a redundancy circuit used for reserving a function expansion data line is arranged between the expansion connecting seat and the core connecting seat, and a plurality of reserved connection points corresponding to the redundancy circuit are arranged on the expansion connecting seat and the core connecting seat.

7. The modular generalized in-vehicle entertainment system host of claim 1, further comprising: the host shell is provided with an antenna (7), and the antenna (7) is connected with an interface module of the universal main board (1).