CN211293808U

CN211293808U - Multifunctional CPCIe industrial computer mainboard

Info

Publication number: CN211293808U
Application number: CN201921860371.1U
Authority: CN
Inventors: 王灿; 杨清祥; 纪其辉; 丁洋; 韩伟坤
Original assignee: Henan Thinker Track Traffic Technology Research Institute
Current assignee: Henan Thinker Track Traffic Technology Research Institute
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-08-18
Anticipated expiration: 2029-10-31

Abstract

A multifunctional CPCIe industrial personal computer mainboard comprises a printed board I and a printed board II, wherein the printed board I and the printed board II are both fixed on a front panel and are connected through a fixing stud; the printed board I is fixedly provided with a processor module, the printed board I is connected with a motherboard through a motherboard connector, the printed board I is connected with a radiator, and the printed board I and the printed board II are in communication connection through board-to-board cables; and a hard disk is fixed on the printed board II and is communicated with the processor module through a board-to-board cable. The utility model discloses a partial bus interface is reserved to industrial computer mainboard, if when the mainboard function changes, the interface is reserved to the accessible carries out the function extension, need not to redesign, has improved mainboard plug-in components's scalability. Most key circuits of the mainboard are designed in a module or interface board mode, if the mainboard is broken down and damaged, the corresponding parts can be directly replaced, the whole plug-in unit does not need to be replaced, and the cost is saved.

Description

Multifunctional CPCIe industrial computer mainboard

Technical Field

The utility model belongs to the industrial computer field, concretely relates to multi-functional CPCIe industrial computer mainboard.

Background

In an industrial automation control system, the application of industrial personal computer equipment is not separated. The industrial computer mainboard is just like the brain of whole equipment, and the height of whole industrial computer performance, function often decides on the industrial computer mainboard. The industrial personal computer mainboard is communicated with the peripheral board card through the high-speed bus, receives data sent by the peripheral board card on one hand, analyzes and processes the data, and sends information and instructions to the peripheral board card on the other hand to control the peripheral board card to work.

The industrial computer mainboard is different according to the size, and is common to have 3U mainboard, 6U mainboard etc. and is different according to the standard that the interface followed, and is common to have CPCI mainboard, PXIe mainboard, CPCIe mainboard etc..

The current CPCIe industrial personal computer mainboard design mode mainly has the following defects:

1) the 3U CPCIe industrial computer mainboard is few at present in kind, and basically, no finished product is sold. All traditional industrial personal computer manufacturers generally adopt a board card customization mode, cooperate and develop according to user requirements, have no existing universal finished products, but have long customization and development period and high cost.

2) The existing finished product industrial personal computer mainboard has relatively fixed functions, and when the application demand or the system performance changes, the industrial personal computer mainboard needs to be reselected, even the appropriate industrial personal computer mainboard can not be selected, and the compatibility is poor.

3) The existing finished product industrial personal computer mainboard has poor system function expansibility, a small number of types and quantity of external interfaces of the panel, and the mainboard can only be suitable for standard industrial personal computer slots, has no self-defined signals or buses and does not support function expansion.

4) The current finished product industrial computer mainboard, inside key device adopt similar BGA paster encapsulation mostly, and the price is expensive, and the maintenance is difficult, and all welds on same block of printing board, in case certain device damage appears, exists and causes the condemned risk of monoblock board.

Disclosure of Invention

The utility model provides a multi-functional CPCIe industrial computer mainboard solves the compatible poor problem of original industrial computer mainboard.

The utility model adopts the following technical scheme:

a multifunctional CPCIe industrial personal computer mainboard comprises a printed board I and a printed board II, wherein the printed board I and the printed board II are both fixed on a front panel and are connected through a fixing stud;

the printed board I is fixedly provided with a processor module, the printed board I is connected with a motherboard through a motherboard connector, the printed board I is connected with a radiator, and the printed board I and the printed board II are in communication connection through board-to-board cables;

and a hard disk is fixed on the printed board II and is communicated with the processor module through a board-to-board cable.

As a further technical scheme, a hard disk is fixed on the printed board II and connected with an SATA repeater, and the SATA repeater is in communication connection with the processor module through a board-to-board cable.

As a further technical scheme, two video output interfaces are connected to a processor module of the printed board I, wherein one video output interface is a DP interface formed by connecting a DDI interface on the processor module to a DP interface connector;

the other video interface is a VGA interface formed by connecting to a front panel through a VGA interface on the processor module, or is converted into a VGA interface by connecting a DP-to-VGA converter through a DDI interface on the processor module.

As a further technical solution, the UART interface on the processor module is connected to a multi-protocol transceiver, and the multi-protocol transceiver is connected to the front panel through a cable to form a COM interface.

As a further technical scheme, a battery is further fixed on the printed board II and is connected with the processor module of the printed board I.

As a further technical scheme, at least one USB repeater is fixed on the printed board II, the processor module on the printed board I is connected with the USB repeaters through USB interfaces, and each USB repeater is connected with the front panel to form a USB interface.

As a further technical scheme, at least one network card chip is fixed on the printed board ii, the processor module on the printed board i is connected with the network card chip through a PCIe bus, each network card chip is connected with one transformer, and each transformer is connected with the front panel to form an RJ45 interface.

As a further technical scheme, the processor module is further connected with a motherboard interface connector, is connected with a motherboard through a motherboard connector, and is then in communication connection with an external board card through the motherboard.

As a further technical scheme, the motherboard is connected with an external power supply through a power line to supply power to the printed board I and the printed board II, and the power supply for supplying power to the printed board I and the printed board II comprises a +3.3V, +5V, + 12V and +5VSB power supply.

As a further technical scheme, the processor module fixed on the printed board I is a COMe module, a radiator is fixed on the COMe module, and at least one SODIMM module interface capable of being inserted into a SODIMM memory bank is arranged on the COMe module.

The utility model has the advantages that:

1) can carry out the design by oneself according to the application demand, need not be limited by selection function, interface fixed, and the limited finished product industrial computer mainboard of kind, make the design more reasonable, optimize.

2) Different COMe modules, hard disks, memories and the like can be selected according to requirements, industrial personal computer mainboards with different performances are matched, the carrier plate redevelopment period is saved, and the cost is saved.

3) The industrial personal computer mainboard plug-in and the motherboard interface are compatible with the CPCIe standard specification, can be suitable for all CPCIe standard cases, and also has a part of self-defined buses and control signals, so that more choices are provided for user design, and the mainboard compatibility is improved.

4) Partial bus interface is reserved to industrial computer mainboard plug-in components, if when mainboard function changes, the accessible is reserved the interface and is carried out the function extension, need not to redesign, has improved mainboard plug-in components's scalability.

5) Most key circuits of the mainboard plug-in are designed in a module or interface board mode, if the mainboard plug-in is damaged due to faults, the corresponding part can be directly replaced, the whole plug-in does not need to be replaced, and the cost is saved.

Drawings

Fig. 1 is a top view of a motherboard package layout.

Fig. 2 is a circuit diagram of the motherboard connector.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The utility model provides a multi-functional CPCIe industrial computer mainboard, as shown in FIG. 1, this mainboard is including printing board I1, printing board II 8, and printing board I and printing board II 8 are all fixed on preceding panel 10, connect through fixing screw 6 between printing board I1 and the printing board II 8.

The printed board I1 is fixedly provided with a processor module, the printed board I1 is connected with a motherboard through a motherboard connector 2, the printed board I1 is connected with a radiator 4, and the printed board I1 and the printed board II 8 are in communication connection through a board-to-board high-speed cable 5; the board-to-board high-speed cable is respectively plugged on the printed board I1 and the printed board II 8 through two high-speed cable plugs 7.

And a hard disk 9 is fixed on the printed board II 8, and the hard disk 9 is communicated with the processor module through the board-to-board cable 5.

As shown in fig. 1, the motherboard plug-in includes a plug-in panel, i.e., a front panel, an external interface is disposed on the front panel, the interface is connected with an internal processor module, and in order to save development difficulty and time, the CPU processor module of the core control portion can select the existing COMe module.

The utility model discloses mainly be applied to in the industrial computer to can compatible CPCIe system completely, can regard as the mainboard direct application to in the CPCIe industrial computer, the mainboard design is plug-in components form, and for simple to operate, the mainboard plug-in components of industrial computer can design for example for standard 3U plug-in components according to the dimensional design of quick-witted case, and the structural dimension of plug-in components accords with the CPCIe standard specification, and system board interface definition in plug-in components and the compatible CPCIe of motherboard interface standard in addition. The plug-in structure panel is designed according to the size of the case, for example, the 3U-height panel is used for fixing the printed board and connecting an external connector, the lower end of the panel comprises a power assisting hand walk on tiptoe, and the power assisting hand walk on tiptoe and the power assisting hand 11 are common structures in the plug-in boards of the existing case.

Specifically, the CPU processor module can select a standard COMe module as the CPU processor; the COMe module interface meets COMe protocol specification, and COMe module interface signal definitions corresponding to protocol specifications of different versions are different, and the COMe module interface is mainly divided into four types: type2, Type10, Type6, Type 7. The COMe modules defined by the same interface are roughly divided into a high-performance version and a low-performance version or a high-power-consumption version and a low-power-consumption version due to different performances of the onboard CPUs of the modules and different performances of the interfaces. The COMe modules are classified into Mini type (84mm × 55mm), Compact type (95 mm × 95 mm), Basic type (125 mm × 95 mm) according to their functions and sizes.

The COMe module is also provided with a module radiator, the module radiator is generally arranged on the upper part of the COMe module, the size of the radiator needs to be designed according to the size of the selected COMe module, the position of a main control chip of the COMe module, the overall power consumption and other factors, and a radiator air duct needs to be specifically designed according to the installation position of a mainboard plug-in unit, the air duct of the whole machine and other factors.

The COMe module is provided with two universal SODIMM module interfaces and is used for inserting an SODIMM memory strip, and the memory strip can be fixed through buckles at two ends after being inserted so as to prevent looseness. Different COMe modules support different memory sizes, a common module supports 8GB memories to the maximum, and partial modules can support 32GB memories to the maximum and can be selected according to actual requirements. The memory bank interface design mode is convenient for memory disassembly and assembly and replacement.

The hard disk is industrial personal computer data mass storage equipment, can save industrial personal computer received data to can provide the data that industrial personal computer will send. The hard disk 8 is connected with the SATA repeater, the SATA repeater is in communication connection with the processor module through the board-to-board cable 5, the interface of the hard board is compatible with SATA2.0 and SATA3.0, and the capacity of the hard disk can be selected according to the data size of the industrial personal computer.

The mainboard plug-in components have complex functions, more external modules and devices are arranged, the size of the printed board is limited by the standard specification, the plug-in components are integrally designed into an upper layer and a lower layer, and all the modules and the devices are fixed on a printed board I1 and a printed board II 8, as shown in figure 1.

A first layer: the first layer of bottom plate is printed board I1, mainly as the carrier plate of COMe module. After the COMe module signal is led to the printed board I1, a part of the COMe module signal is connected to a motherboard from a motherboard connector, and then is connected with other plug-in units in the chassis through the motherboard; one part is led out from the front panel connector after interface conversion and expansion to form an interface on the front panel and be connected with external equipment; and the other part is led to a printed board II 8 through a board-to-board high-speed cable for interface expansion and use.

A second layer: the second layer of bottom board is a printed board II 8 which is used as a carrier board of external interfaces of the hard disk and some front panels. After leading part of signals of the COMe module to a printed board II 8 through a board-to-board high-speed cable 5, converting the signals into hard disk interfaces connected with a hard board and a plurality of external communication interfaces.

The printed board I1 is a COMe module carrier board, the size of the printed board can be designed to be 100mm multiplied by 160mm, and if the COMe module selects a Basic type, the residual space of the carrier board is small due to the large size of the module; in addition, the distance between the printed board I1 and the printed board II 8 is possibly far, and the printed boards cannot be connected through a board-to-board connector; signal transmission between two types of printed boards can be realized through the high-density high-speed cable 5, and the high-density cable plug 7 and the socket are small in size and can meet space requirements.

The interface between the printed board I1 and the COMe module is a standard interface, under the condition that the module size and the interface are not changed, COMe modules with different functions and performances can be selected according to application requirements to meet different requirements of the industrial personal computer without redesigning, the compatibility is high, and the development period is shortened.

The printed board I1 is a bottom board of a COMe module, a hard disk, an interface circuit and the like. The COMe module leads signals to a printed board I1 through a connector, and then the signals are expanded, converted, processed and the like on the printed board I1; the hard disk is inserted into the connector of the printed board II 8 and is horizontally fixed on the hard disk bracket of the printed board II 8 through a screw; all interface circuits are welded on the printed board I1 and the printed board II 8, and the printed board I1 and the printed board II 8 are used as carriers of electronic devices.

The external interface circuit of the mainboard plug-in is a man-machine interaction interface circuit of the mainboard plug-in of the industrial personal computer, and the external interface at least comprises VGA (video graphics array), DP (display graphics port) display interfaces, USB (universal serial bus) 3.0, gigabit Ethernet, RS232/422/485 communication interfaces, indicator lamps, reset button monitoring interfaces and the like. When the device is used, the device can be connected with a display through a VGA or DP interface according to requirements, connected with a mouse, a keyboard, a storage device and the like through a USB3.0 interface, interacted with an external device network through Ethernet, subjected to data transceiving through an RS232/422/485 interface, observed in working conditions of a system, a hard disk and the like through an indicator lamp, and subjected to system restart and the like through a reset button.

The specific interfaces are as follows:

(1) designing a display interface: the mainboard plug-in externally comprises 2 video output interfaces which can be selected according to requirements. Wherein

The DP interface adopts the DDI interface of COMe module self-carrying, if walk the line overlength, disturb great, multiplicable signal relay chip improves signal integrality, if walk the line shorter, can directly lead to the DP interface connector with DDI interface signal.

The VGA interface can adopt a VGA interface carried by a COMe module, but some COMe modules do not lead out VGA signals, the DDI interface of the COMe module can also be adopted for conversion at the moment, the DDI interface is converted into the VGA converter through a DP, and the converter can select an interface conversion chip, such as CH 7517.

(2) COM interface design: the COM interface is a common interface of RS232, RS422 and RS485, and the COM interface can select an interface output mode through a dial switch. The COMe module is provided with a UART interface, the UART interface is converted into a corresponding communication interface through a multi-protocol transceiver, and the multi-protocol transceiver can select and output an RS232/422/485 format through pin configuration.

(3) Designing a USB interface: the COMe module is provided with a plurality of USB2.0 and USB3.0 interfaces, but is limited by the size of the printed board 1, and can only be designed by leading signals to the printed board 2 through a high-speed cable. Considering that the problems of interference, attenuation and the like exist when the signal wire is long, signal relay can be added to improve the integrity of the signal. The type and the number of the USB interfaces can be designed according to actual requirements.

(4) Designing an Ethernet interface: the common COMe module is provided with a 1-path Ethernet interface, may not be enough for users to use, and can be converted into an Ethernet interface through a PCIe bus of the COMe module. But is limited by the size of the printed board 1 and can only be designed to direct signals to the printed board 2 via high speed cables. The PCIe bus is connected with the network card chip of the PCIe interface and is converted into an Ethernet interface. The rate and the number of the Ethernet interfaces can be designed according to actual requirements.

(5) Designing a hard disk circuit: the hard disk is connected with the COMe module through an SATA interface; the hard disk is large in size, but limited by the size of the printed board 1, signals can be guided to the printed board 2 only through high-speed cables. Considering that the problems of interference, attenuation and the like exist when the signal wire is long, signal relay can be added to improve the integrity of the signal.

(6) Designing a battery circuit: A3V button battery is generally selected to supply power to a CPU controller module and is used for storing information such as a system clock.

(7) Designing an interface with a motherboard: part of the COMe module signals need to be led to the interface connector with the motherboard and then communicated with the peripheral board card through the motherboard. The plug-in and the motherboard interface are compatible with the CPCIe standard specification requirements and comprise a power supply signal, a2 link/4 link PCIe signal, each auxiliary control signal and the like required by the specification; in addition, the interface with the motherboard also comprises self-defined signals such as Ethernet, fan control and the like, so that the plug-in has stronger universality.

(8) Designing a power supply: the power interface of the mainboard plug-in unit conforms to the CPCIe standard specification, and the power types comprise +3.3V, +5V, + 12V, +5VSB (+5V standby power supply). The +3.3V, +5V, + 12V supplies power for circuits on the printed board 1 and the printed board 8 respectively, and the +5VSB supplies power for a module standby circuit and a network card and is used for remote awakening and sleeping.

(9) And (3) designing a reserved expansion interface: because the COMe module has more resources, the PCIe interface and the SATA interface which are not used temporarily can be respectively led out to the appointed connector to be used as reserved interfaces. If the functions need to be added, a smaller function board can be designed to be connected with a reserved interface through a board-to-board connector, redesigning of the printed board 1 and the printed board 8 is not needed, cost is saved, and the development period is shortened.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the present invention should be covered by the present invention.

Claims

1. The utility model provides a multi-functional CPCIe industrial computer mainboard which characterized in that: the front panel structure comprises a printed board I (1) and a printed board II (8), wherein the printed board I (1) and the printed board II (8) are both fixed on a front panel (10), and the printed board I (1) and the printed board II (8) are connected through a fixing stud (6);

a processor module is fixed on a printed board I (1), the printed board I (1) is connected with a motherboard through a motherboard connector (2), the printed board I (1) is connected with a radiator (4), and the printed board I (1) and the printed board II (8) are in communication connection through a board-to-board cable (5);

and a hard disk (9) is fixed on the printed board II (8), and the hard disk (9) is communicated with the processor module through the board-to-board cable (5).

2. The multifunctional CPCIe industrial personal computer mainboard of claim 1, wherein:

and a hard disk is fixed on the printed board II (8), the hard disk is connected with an SATA repeater, and the SATA repeater is in communication connection with the processor module through a board-to-board cable (5).

3. A multifunctional CPCIe industrial personal computer mainboard according to any one of claims 1 or 2, characterized in that:

two video output interfaces are connected to a processor module of the printed board I (1), wherein one video output interface is a DP interface formed by connecting a DDI interface on the processor module to a DP interface connector;

the other video interface is a VGA interface formed by connecting to a front panel through a VGA interface on the processor module, or is converted into a VGA interface through a DP-to-VGA converter connected with a DDI interface on the processor module.

4. A multifunctional CPCIe industrial personal computer mainboard according to any one of claims 1 or 2, characterized in that:

the UART interface on the processor module is connected with a multi-protocol transceiver, and the multi-protocol transceiver is connected with the front panel through a cable to form a COM interface.

5. A multifunctional CPCIe industrial personal computer mainboard according to any one of claims 1 or 2, characterized in that:

and a battery is further fixed on the printed board II (8), and the battery is connected with the processor module of the printed board I (1).

6. A multifunctional CPCIe industrial personal computer mainboard according to any one of claims 1 or 2, characterized in that:

at least one USB repeater is fixed on the printed board II (8), the processor module on the printed board I (1) is connected with the USB repeaters through USB interfaces, and each USB repeater is connected with the front panel to form a USB interface.

7. A multifunctional CPCIe industrial personal computer mainboard according to any one of claims 1 or 2, characterized in that:

at least one network card chip is fixed on the printed board II (8), the processor module on the printed board I (1) is connected with the network card chips through a PCIe bus, each network card chip is connected with one transformer, and each transformer is connected with the front panel to form an RJ45 interface.

8. A multifunctional CPCIe industrial personal computer mainboard according to any one of claims 1 or 2, characterized in that:

the processor module is also connected with a motherboard interface connector, is connected with a motherboard through a motherboard connector, and is then in communication connection with an external board card through the motherboard.

9. A multifunctional CPCIe industrial personal computer mainboard according to any one of claims 1 or 2, characterized in that:

the motherboard is connected with an external power supply through a power line to supply power to the printed board I (1) and the printed board II (8), and the power supply for supplying power to the printed board I (1) and the printed board II (8) comprises a +3.3V, +5V, + 12V and +5VSB power supply.

10. A multifunctional CPCIe industrial personal computer mainboard according to any one of claims 1 or 2, characterized in that:

the processor module fixed on the printed board I (1) is a COMe module, a radiator is fixed on the COMe module, and at least one SODIMM module interface capable of being inserted into a memory bank of the SODIMM is arranged on the COMe module.