CN210804231U - Computer terminal system based on CPCIe bus - Google Patents

Abstract

The utility model discloses a computer terminal system based on CPCIe bus belongs to communication technology field. The aircraft patch board mainly comprises a chassis, seven board cards, an aviation plug connector and a radiating element; the computer terminal system formed by the CPCIe bus can meet the requirement of fast transmission of high-speed data such as high-definition videos and tera networks, is not easily interfered by an external system, and has high reliability; when equipment fails, the fault board card can be quickly positioned, the maintenance time is shortened, and the normal use of army training is ensured; because the case is totally enclosed, so adopt the heat pipe radiator as the main heat-sinking way to reduce the heat of the mother board, the fan at the rear end of case utilizes the way of forced air cooling at the same time, take out the heat led out to the radiator, can produce the higher radiating efficiency, guarantee the normal work of the system, lengthen the systematic life time; the utility model has the advantages of transmission rate is fast, maintenance duration is short and the radiating efficiency is high, is fit for promoting in a large number.

Description

Computer terminal system based on CPCIe bus

Technical Field

The utility model relates to the field of communication technology, concretely relates to computer terminal system based on CPCIe bus.

Background

The PCI bus is a local bus which is introduced by Intel corporation in the last 90 th century, the working frequency is 33MHz/66MHz, the maximum bandwidth is 266Mb/s, the PCI bus is proposed to replace the early ISA bus, improve the transmission rate and the data bandwidth, and is widely used in the industrial and military occasions such as communication, acquisition, control and the like.

The existing XXXXX engineering army crawler-type/wheel-type scout car computer terminal system adopts a 32-bit PCI bus architecture design, a communication expansion board is hung on a PCI bus, the bandwidth of the 32-bit PCI bus is 133Mb/s, and the application occasions of low-speed interfaces such as a serial interface, a CAN interface, a parallel printing interface and the like are basically met. With the development of bus technology and the proposal of new requirements of scout car projects, high-speed data such as high-definition video and tera networks need to be transmitted, and the original PCI bus cannot meet the transmission requirements of the high-speed data, so the design of a computer terminal system based on the CPCIe bus is proposed on the basis of the original scout car terminal system.

When the existing computer terminal has a fault in the operation process, the fault board card can be positioned only by adopting the steps of power-off inspection and part interchange, and then the fault is solved by replacing parts, so that the time for maintaining the system fault is longer; because the computer terminal system is provided with the board cards with large heat productivity, such as the CPU board, the power supply board, the network exchange board and the like, in order to achieve the purposes of normal work of the system and prolonging the service life of the system, the heat generated inside the system needs to be timely dissipated, the existing heat dissipation mode is mostly directed to an open case, and the heat dissipation design of a fully-closed case adopted in the military field is less.

SUMMERY OF THE UTILITY MODEL

To the problem that exists, the utility model provides a transmission rate is fast, maintenance duration is short and the high computer end system's of radiating efficiency design based on CPCIe bus.

The technical scheme of the utility model is that: the CPCIe bus-based computer terminal system mainly comprises a case, six board cards, a plurality of aviation plug connectors and radiating elements, wherein a case bracket is arranged at the bottom end of the case, and an air inlet and an air outlet are respectively formed in the side wall of the case;

the front side wall of the case is respectively provided with a power switch, a reset switch and a self-destruction button, the outer wall of the case is provided with a plurality of heat dissipation teeth, and the plurality of heat dissipation teeth form a heat dissipation air duct;

seven board cards are all arranged in the case and are respectively a CPU board, a CamerLink communication board, an SDI communication board, a CAN bus general board, a serial bus communication board, a power board and a system bottom board (the six board cards are not marked in the figure and are perpendicular to the six board cards and are arranged in the case), and each board card passes through the I board card²The system comprises a system base plate, a CPU (central processing unit) plate, a CamerLink communication plate, an SDI (serial digital interface) communication plate, a CAN (controller area network) bus general plate, a serial bus communication plate and a power supply plate, wherein the system base plate is designed as a master device;

USB, PS/2, LAN, DVI, RS232, RS485, RS422 and CamerLink interfaces are respectively led out from the aviation plug connectors and connected with cables of corresponding equipment to complete the human-computer interaction and data communication functions of a computer system;

the heat dissipation element comprises a plurality of heat pipes, a plurality of radiators and a fan, wherein the heat pipes are fixedly arranged between two adjacent heat dissipation teeth and tightly attached to the outer wall of the case, the radiators are connected with the plurality of heat pipes, and the fan is arranged at the air outlet.

Further, lateral wall is equipped with power indicator, hard disk work pilot lamp and overheated alarm indicator before the quick-witted case, power indicator, hard disk work pilot lamp and overheated alarm indicator are red green double-colored pilot lamp, can audio-visual display each component's operating condition and fault state through above-mentioned pilot lamp, are convenient for master the operating condition of each component fast, find out the trouble part directly perceived, increase device operational reliability.

Further, the CPU board is designed by adopting a 6U CPCIe structure and is configured to be 1X 8 channel, 1X 4 channel and 4X 1 channels, the CamerLink communication board is designed by adopting a 3U CPCIe structure and is connected with the X8 channel of a CPU board CPCIe bus by using a VPX connector to convert digital video data of external photoelectric equipment into digital information to interact with the CPU, the SDI communication board is designed by adopting a 3U CPCIe structure and is connected with the X4 channel of the CPU board CPCIe bus by using a VPX connector to convert analog video data of the external photoelectric equipment into digital information to interact with the CPU, the CAN bus general system board is designed by adopting a 3U CPCIe structure and is connected with the X1 channel of the CPU board CPCIe bus by using a CPCIe connector to be connected with the scout car bus device through a high-speed CAN bus to complete CAN bus control and data interaction functions, wherein the CPCIe connector is an ERNI 973028ZD connector, the serial communication board is designed by adopting a 3U CPCIe structure, the CPCIe connector is connected with an X1 channel of a CPU plate CPCIe bus and is connected with a serial bus device of a detection vehicle through a high-speed serial bus, a power supply plate is designed by adopting a 3U CPCI structure and provides power supply support for the whole computer terminal system, an input + 18V- +36V direct-current power supply is converted into a system-used +12V, +5V, +3.3V power supply, a system bottom plate is provided with 7 slots, 2 6U slots and 5 3U slots, the CPU plate occupies 1 6U slot, 1 6U slot is reserved, and a CamerLink communication plate, an SDI communication plate, a CAN bus master plate and a serial bus communication plate occupy 4 3U slots; the power strip occupies 1 3U slot.

Further, the serial bus comprises three serial buses of RS232, RS422 and RS485, and the functions of serial bus control and data interaction are completed.

Furthermore, the six board cards are all provided with a self-checking circuit, a state acquisition circuit and a reporting circuit, and the voltage value and the current value of each path of voltage of the board card, the current temperature value of the board card and the working state information of the main control chip are acquired in real time through the state acquisition circuit.

Further, the system backplane uses a Cortex-M3 architecture ARM processor, model LPC1752, designed I²C, bus master device.

Further, the side wall of the case is uniformly provided with a plurality of inserting heat dissipation ports, and the structure of the heat dissipation element can be replaced by: comprises two heat dissipation covers which are oppositely arranged and are buckled outside a chassis, an air compressor which is connected with the heat dissipation covers through connecting pipes, a temperature sensor for detecting the temperature in the chassis, and an exhaust fan which is arranged at an air outlet, the inner wall of the heat dissipation cover is provided with a plurality of heat dissipation nozzles which can be inserted into the inserted heat dissipation openings and extend into the case, the temperature in the case is detected by the temperature sensor, when heat dissipation is needed, external air is pumped into the heat dissipation cover by the air compressor, then the air is sprayed to all parts in the machine case through a plurality of heat dissipation nozzles, the air cooled in the machine case is extracted through an exhaust fan, the heat emitted by the electric elements can be cooled in place by the mode, no cooling dead angle exists, and intelligent degree is high, and when the live time is longer, can pull down two heat exchanger and clear up the heat dissipation mouth, convenient operation, safe and reliable.

The utility model discloses a theory of operation does:

(1) installing the case to a proper position through the case bracket, and turning on the power switch starting device to operate;

(2) when each element in the case normally operates, the CPU board passes through

Turbo Boost technology raises dominant frequency to 3.1GHz, CamerLink communication board converts digital video data of external photoelectric equipment into digital information to interact with CPU, SDI communication board converts analog video data of external photoelectric equipment into digital information to interact with CPU, CAN bus general board is connected with other CAN bus equipment of scout car through high-speed CAN bus to complete CAN bus control and data interaction function, serial bus communication board is connected with other serial bus equipment of scout car through high-speed serial bus, power supply board provides power supply support for whole computer terminal system, input + 18V- +36V DC power supply is converted into +12V, +5V, +3.3V power supply used by system, system bottom board completes interconnection function between each functional board card and CPU board, and ARM processor is designed to complete panel indication lamp control, self-destruction button state acquisition function acquisition, The functions of command issuing and board card state information acquisition are controlled, and the functions of man-machine interaction, data communication and the like of a computer system are completed by connecting a plurality of aviation plug connectors with cables of corresponding equipment;

(3) in the process, the state acquisition circuit of the seven board cards is used for acquiring the board in real timeWhen abnormal conditions occur, the information such as the voltage value and the current value of each path of the card, the current temperature value of the card, the working state of the main control chip and the like can be reported to the CPU board, wherein the system bottom board is used as the core of the function, and the realization process of the function is as follows: a. through I²The C bus sends a self-checking command to each component during the system power-on period, then obtains the state information of each board card in real time, controls the states of three indicator lights of the front panel according to the state information, obtains the self-checking command sent by the CPU board application program, and passes through I²C, sending a self-checking control command to each component by a bus; b, collecting the state of a self-destruction button of the front panel, adding a filtering algorithm for processing, and reporting to the CPU board to execute a self-destruction function; c. the information state collected in real time is processed through I²The bus C reports the working state information of each component to the CPU board application program and receives a self-checking command sent by the CPU board application program; d. configuring the setting parameters of a CPU board CPCIe channel through software;

(4) in the process, heat generated in the case by the heat dissipation element is conducted out through the inner wall of the case, and then conducted to the heat pipe after being conducted to the outer wall of the case, the heat pipe is connected with the rear-end radiator of the case, the heat is conducted to the rear-end radiator of the case through the conduction of the heat pipe, and meanwhile, the heat conducted to the radiator is extracted by the fan at the rear end of the case in a forced air cooling mode.

Compared with the prior art, the utility model discloses beneficial effect does: the utility model provides a based on CPCIe bus computer terminal system, computer terminal is for satisfying adverse circumstances demand, based on highly reliable, easy maintenance and optimization design technique, considers a great deal of key elements such as heat dissipation, antidetonation, three proofings, electromagnetic compatibility, continuation and upgrading and manufacturing cost of system comprehensively, and the totally enclosed reinforcement type computer terminal system that the machine case was designed according to military ATR standard; the computer terminal system formed by the CPCIe bus can meet the requirement of fast transmission of high-speed data such as high-definition videos and tera networks, is not easily interfered by an external system, and has high reliability; the system can issue a self-checking command through an application program, each component receives the command and then disconnects the interconnection state with external equipment and carries out self-checking operation, the self-checking result is reported to the application program after the self-checking is finished, the system self-checking and the equipment state timed reporting function can assist an operator to know the current equipment running state, when the equipment fails, a fault board can be quickly positioned, the maintenance time is shortened, and the normal use of army training is ensured; because the case is totally enclosed, so adopt the heat pipe radiator as the main heat-sinking way to reduce the heat of the mother board, the fan at the rear end of case utilizes the way of forced air cooling at the same time, take out the heat led out to the radiator, can produce the higher radiating efficiency, guarantee the normal work of the system, lengthen the systematic life time; the utility model has the advantages of transmission rate is fast, maintenance duration is short and the radiating efficiency is high, is fit for promoting in a large number.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is an external structural view of the rear side wall of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a connection diagram of the heat dissipation cover and the chassis of the present invention.

The heat dissipation device comprises a case 1, a case 10, a case bracket 100, a plug-in heat dissipation port 11, an air inlet 11, an air outlet 12, a power switch 13, a reset switch 14, a self-destruction button 15, a heat dissipation tooth 16, a heat dissipation air duct 160, a power indicator 17, a hard disk working indicator 18, an overheating alarm indicator 19, a board card 2, a CPU 20, a Camera Link 21, a SDI 22, a CAN bus master board 23, a serial bus communication board 24, a power board 25, an aviation plug connector 3, a heat dissipation element 4, a heat pipe 40, a heat radiator 41, a fan 42, a heat dissipation cover 43, a heat dissipation nozzle 430, a heat compressor 44, a temperature sensor 45, a heat dissipation switch 13, a reset switch 14, a heat dissipation button 15, a heat dissipation button 16, a heat dissipation gear 160, a heat dissipation air, 46-a suction fan.

Detailed Description

Example 1

As shown in fig. 1 and 2, the computer terminal system based on the CPCIe bus mainly includes a chassis 1 having a chassis bracket 10 at the bottom end and an air inlet 11 and an air outlet 12 at the side wall, six board cards 2 arranged inside the chassis 1, 15 aviation plug connectors 3 arranged on the front and rear panels of the chassis 1, and a heat dissipation element 4;

the front side wall of the case 1 is respectively provided with a power switch 13, a restart switch 14 and a self-destruction button 15, the outer wall of the case 1 is provided with 6 heat dissipation teeth 16, the 6 heat dissipation teeth 16 form a heat dissipation air duct 160, the front side wall of the case 1 is provided with a power indicator lamp 17, a hard disk work indicator lamp 18 and an overheating alarm indicator lamp 19, the power indicator lamp 17, the hard disk work indicator lamp 18 and the overheating alarm indicator lamp 19 are red and green double-color indicator lamps, the working state and the fault state of each element can be visually displayed through the indicator lamps, the working state of each element can be conveniently and rapidly mastered, fault parts can be visually found, and the operation reliability of the device is improved;

the seven board cards 2 are all arranged in the case 1, are respectively a CPU board 20, a CamerLink communication board 21, an SDI communication board 22, a CAN bus trunk board 23, a serial bus communication board 24, a power board 25 and a system bottom board which are not marked in the drawing, are perpendicular to the six board cards, are arranged in the case 1, and each board card 2 is arranged in the case 1 through an I²A C bus connection, wherein the system backplane is designed as a master device, the CPU board 20, the CamerLink communication board 21, the SDI communication board 22, the CAN bus trunk board 23, the serial bus communication board 24 and the power supply board 25 are respectively set as slave devices, the CPU board 20 adopts a 6U CPCIe structure design and is configured as 1X 8 channel, 1X 4 channel and 4X 1 channels, the CamerLink communication board 21 adopts a 3U CPCIe structure design and is connected with the X8 channel of the CPU board 20CPCIe bus by using a VPX connector to convert digital video data of an external photoelectric device into digital information to interact with the CPU, the SDI communication board 22 adopts a 3U CPCIe structure design and is connected with the X4 channel of the CPU board 20CPCIe bus by using a VPX connector to convert analog video data of the external photoelectric device into digital information to interact with the CPU, the CAN bus trunk board 23 adopts a 3U CPCIe structure design and is connected with the CPCIX 1 channel of the CPU board 20CPCIe bus by using the CIE connector, the CAN bus control and data interaction functions are completed by connecting a high-speed CAN bus with CAN bus equipment of the scout car, wherein the CPCIe connector is an ERNI 973028ZD connector, the serial bus communication board 24 adopts a 3U CPCIe structure design, the CPCIe connector is connected with an X1 channel of a CPU board 20CPCIe bus and is connected with the serial bus equipment of the scout car through the high-speed serial bus, and the power board 25 adopts a 3U CPCI nodeThe design of the structure, provide the power support for the whole computer terminal system, change the direct current power supply of + 18V- +36V input into the +3.3V power supply that the system uses, the bottom plate of the system designs 7 slots, 2 6U slots and 5 3U slots, CPU board 20 takes 1 6U slot, reserve 1 6U slot, CamerLink communication board 21, SDI communication board 22, CAN bus trunk board 23, serial bus communication board 24 take 4 3U slots; the power panel 25 occupies 1 3U slot, seven board cards 2 are all designed with a self-checking circuit, a state acquisition circuit and a reporting circuit, the voltage value and the current value of each path of voltage of the board cards 2, the current temperature value of the board cards 2 and the working state information of a main control chip are acquired in real time through the state acquisition circuit, the system bottom board uses an ARM processor with a Cortex-M3 architecture, the model of the ARM processor is LPC1752, and the model is I²C, bus master equipment;

the 15 aviation plug connectors 3 respectively lead out USB, PS/2, LAN, DVI, RS232, RS485, RS422, CamerLink and SDI interfaces, are connected with cables of corresponding equipment, and complete the human-computer interaction and data communication functions of a computer system;

as shown in fig. 3, the heat dissipation element 4 includes 6 heat pipes 40 fixedly disposed between two adjacent heat dissipation teeth 16 and tightly attached to the outer wall of the chassis 1, a heat sink 41 connected to the 6 heat pipes 40, and a fan 42 disposed at the air outlet 12; the serial bus comprises three serial buses of RS232, RS422 and RS485, and the functions of serial bus control and data interaction are completed.

Example 2

As shown in fig. 1 and 2, the computer terminal system based on the CPCIe bus mainly includes a chassis 1 having a chassis bracket 10 at the bottom end and an air inlet 11 and an air outlet 12 at the side wall, six board cards 2 arranged inside the chassis 1, 15 aviation plug connectors 3 arranged on the front and rear panels of the chassis 1, and a heat dissipation element 4;

the front side wall of the case 1 is respectively provided with a power switch 13, a restart switch 14 and a self-destruction button 15, the outer wall of the case 1 is provided with 6 heat dissipation teeth 16, the 6 heat dissipation teeth 16 form a heat dissipation air duct 160, the front side wall of the case 1 is provided with a power indicator lamp 17, a hard disk work indicator lamp 18 and an overheating alarm indicator lamp 19, the power indicator lamp 17, the hard disk work indicator lamp 18 and the overheating alarm indicator lamp 19 are red and green double-color indicator lamps, the working state and the fault state of each element can be visually displayed through the indicator lamps, the working state of each element can be conveniently and rapidly mastered, fault parts can be visually found, and the operation reliability of the device is improved;

seven board cards 2 are arranged in the case 1, are respectively a CPU board 20, a CamerLink communication board 21, an SDI communication board 22, a CAN bus trunk board 23, a serial bus communication board 24, a power board 25 and a system bottom board which are not marked in the figure, are perpendicular to the six board cards, are arranged in the case 1, and each board card 2 is arranged in the case 1 through an I board card²A C bus connection, wherein the system backplane is designed as a master device, the CPU board 20, the CamerLink communication board 21, the SDI communication board 22, the CAN bus trunk board 23, the serial bus communication board 24 and the power supply board 25 are respectively set as slave devices, the CPU board 20 adopts a 6U CPCIe structure design and is configured as 1X 8 channel, 1X 4 channel and 4X 1 channels, the CamerLink communication board 21 adopts a 3U CPCIe structure design and is connected with the X8 channel of the CPU board 20CPCIe bus by using a VPX connector to convert digital video data of an external photoelectric device into digital information to interact with the CPU, the SDI communication board 22 adopts a 3U CPCIe structure design and is connected with the X4 channel of the CPU board 20CPCIe bus by using a VPX connector to convert analog video data of the external photoelectric device into digital information to interact with the CPU, the CAN bus trunk board 23 adopts a 3U CPCIe structure design and is connected with the CPCIX 1 channel of the CPU board 20CPCIe bus by using the CIE connector, the CAN bus control and data interaction functions are completed by connecting a high-speed CAN bus with CAN bus equipment of a scout car, wherein a CPCIe connector is an ERNI 973028ZD connector, a serial bus communication board 24 is designed by adopting a 3U CPCIe structure, the CPCIe connector is connected with an X1 channel of a CPU board 20CPCIe bus and is connected with the CAN bus equipment of the scout car by adopting the high-speed serial bus, a power supply board 25 is designed by adopting the 3U CPCI structure and provides power supply support for the whole computer terminal system, an input + 18V- +36V direct-current power supply is converted into a +5V power supply used by the system, a system bottom board is designed with 7 slots, 2 6U slots and 5 3U slots, the CPU board 20 occupies 1 6U slot, 1 6U slot is reserved, and the CamerLink communication board 21, the SDI communication board 22, the CAN bus general board 23 and the serial bus communication board 24 occupy 4 3U slots; the power panel 25 occupies 1 3U slot, sevenThe block board cards 2 are all designed with a self-checking circuit, a state acquisition circuit and a reporting circuit, the state acquisition circuit acquires the voltage value and the current value of each voltage of each circuit of the board cards 2, the current temperature value of the board cards 2 and the working state information of the main control chip in real time, the system bottom board uses an ARM processor with a Cortex-M3 architecture, the model of the ARM processor is LPC1752 and is designed as I²C, bus master equipment;

the 15 aviation plug connectors 3 respectively lead out USB, PS/2, LAN, DVI, RS232, RS485, RS422, CamerLink and SDI interfaces, are connected with cables of corresponding equipment, and complete the human-computer interaction and data communication functions of a computer system;

as shown in fig. 3, the heat dissipation element 4 includes 6 heat pipes 40 fixedly disposed between two adjacent heat dissipation teeth 16 and tightly attached to the outer wall of the chassis 1, a heat sink 41 connected to the 6 heat pipes 40, and a fan 42 disposed at the air outlet 12; the serial bus comprises three serial buses of RS232, RS422 and RS485, and the functions of serial bus control and data interaction are completed.

Example 3

As shown in fig. 1 and 2, the computer terminal system based on the CPCIe bus mainly includes a chassis 1 having a chassis bracket 10 at the bottom end and an air inlet 11 and an air outlet 12 at the side wall, six board cards 2 arranged inside the chassis 1, 15 aviation plug connectors 3 arranged on the front and rear panels of the chassis 1, and a heat dissipation element 4;

the front side wall of the case 1 is respectively provided with a power switch 13, a restart switch 14 and a self-destruction button 15, the outer wall of the case 1 is provided with 6 heat dissipation teeth 16, the 6 heat dissipation teeth 16 form a heat dissipation air duct 160, the front side wall of the case 1 is provided with a power indicator lamp 17, a hard disk work indicator lamp 18 and an overheating alarm indicator lamp 19, the power indicator lamp 17, the hard disk work indicator lamp 18 and the overheating alarm indicator lamp 19 are red and green double-color indicator lamps, the working state and the fault state of each element can be visually displayed through the indicator lamps, the working state of each element can be conveniently and rapidly mastered, fault parts can be visually found, and the operation reliability of the device is improved;

seven board cards 2 are all arranged in the case 1 and are respectively a CPU board 20, a CamerLink communication board 21, an SDI communication board 22, a CAN bus trunk board 23, a serial bus communication board 24 and a power supply board25 and a system bottom board which is not marked in the drawing and is vertical to the six board cards are arranged in the case 1, and each board card 2 passes through the I²A C bus connection, wherein the system backplane is designed as a master device, the CPU board 20, the CamerLink communication board 21, the SDI communication board 22, the CAN bus trunk board 23, the serial bus communication board 24 and the power supply board 25 are respectively set as slave devices, the CPU board 20 adopts a 6U CPCIe structure design and is configured as 1X 8 channel, 1X 4 channel and 4X 1 channels, the CamerLink communication board 21 adopts a 3U CPCIe structure design and is connected with the X8 channel of the CPU board 20CPCIe bus by using a VPX connector to convert digital video data of an external photoelectric device into digital information to interact with the CPU, the SDI communication board 22 adopts a 3U CPCIe structure design and is connected with the X4 channel of the CPU board 20CPCIe bus by using a VPX connector to convert analog video data of the external photoelectric device into digital information to interact with the CPU, the CAN bus trunk board 23 adopts a 3U CPCIe structure design and is connected with the CPCIX 1 channel of the CPU board 20CPCIe bus by using the CIE connector, the CAN bus control and data interaction functions are completed by connecting a high-speed CAN bus with CAN bus equipment of a scout car, wherein a CPCIe connector is an ERNI 973028ZD connector, a serial bus communication board 24 is designed by adopting a 3U CPCIe structure, the CPCIe connector is connected with an X1 channel of a CPU board 20CPCIe bus and is connected with the CAN bus equipment of the scout car by adopting the high-speed serial bus, a power supply board 25 is designed by adopting the 3U CPCI structure and provides power supply support for the whole computer terminal system, an input + 18V- +36V direct-current power supply is converted into a +12V power supply used by the system, a system bottom board is designed with 7 slots, 2 6U slots and 5 3U slots, the CPU board 20 occupies 1 6U slot, 1 6U slot is reserved, and the CamerLink communication board 21, the SDI communication board 22, the CAN bus general board 23 and the serial bus communication board 24 occupy 4 3U slots; the power panel 25 occupies 1 3U slot, seven board cards 2 are all designed with a self-checking circuit, a state acquisition circuit and a reporting circuit, the voltage value and the current value of each path of voltage of the board cards 2, the current temperature value of the board cards 2 and the working state information of a main control chip are acquired in real time through the state acquisition circuit, the system bottom board uses an ARM processor with a Cortex-M3 architecture, the model of the ARM processor is LPC1752, and the model is I²C, bus master equipment;

the 15 aviation plug connectors 3 respectively lead out USB, PS/2, LAN, DVI, RS232, RS485, RS422, CamerLink and SDI interfaces, are connected with cables of corresponding equipment, and complete the human-computer interaction and data communication functions of a computer system;

as shown in fig. 3, the heat dissipation element 4 includes 6 heat pipes 40 fixedly disposed between two adjacent heat dissipation teeth 16 and tightly attached to the outer wall of the chassis 1, a heat sink 41 connected to the 6 heat pipes 40, and a fan 42 disposed at the air outlet 12; the serial bus comprises three serial buses of RS232, RS422 and RS485, and the functions of serial bus control and data interaction are completed.

The working principle of examples 1 to 3 is:

(1) installing the case 1 to a proper position through the case bracket 10, and turning on the power switch 13 to start the device to operate;

(2) when the components in the case 1 normally operate, the CPU board 20 passes through

Turbo Boost technology raises dominant frequency to 3.1GHz, CamerLink communication board 21 converts digital video data of external photoelectric equipment into digital information to interact with CPU, SDI communication board 22 converts analog video data of external photoelectric equipment into digital information to interact with CPU, CAN bus general board 23 is connected with other CAN bus equipment of scout car through high-speed CAN bus to complete CAN bus 23 control and data interaction functions, serial bus communication board 24 is connected with other serial bus equipment of scout car through high-speed serial bus, power board 25 provides power support for the whole computer terminal system, input + 18V- +36V DC power is converted into +12V, +5V, +3.3V power used by the system, the system bottom board completes interconnection function between each function board card and CPU board 20, and ARM processor is designed to complete panel indicator light control, The functions of state acquisition, control command issuing and state information acquisition of each board card 2 of the self-destruction button 15 are realized by connecting a plurality of aviation plug connectors 3 with cables of corresponding equipment to complete the functions of man-machine interaction, data communication and the like of a computer system;

(3) in the process, the state acquisition circuit of the seven board cards 2 is used for acquiring the board in real timeWhen abnormal conditions occur, the information such as the voltage value and the current value of each path of the card 2, the current temperature value of the board card, the working state of the main control chip and the like can be reported to the CPU board 20, wherein the system bottom board is used as the core of the function, and the realization process of the function is as follows: a. through I²The C bus sends a self-checking command to each component during the system power-on period, then obtains the state information of each board card 2 in real time, controls the states of three indicator lights of the front panel according to the state information, obtains the self-checking command sent by the application program of the CPU board 20, and passes through I²C, sending a self-checking control command to each component by a bus; b. collecting the state of the front panel self-destruction button 15, adding a filtering algorithm for processing, and reporting to the CPU board 20 to execute the self-destruction function; c. the information state collected in real time is processed through I²The bus C reports the working state information of each component to the application program of the CPU board 20 and receives a self-checking command sent by the application program of the CPU board 20; d, configuring the setting parameters of the CPU board 20CPCIe channel through software;

(4) in the process, heat generated in the case 1 by the heat dissipation element 4 is conducted out through the inner wall of the case 1, when the heat is conducted to the outer wall of the case 1, the heat is conducted to the heat pipe 40, the heat pipe 40 is connected with the rear end radiator 41 of the case 1, the heat is conducted to the rear end radiator 41 of the case 1 through the conduction of the heat pipe 40, and meanwhile, the heat conducted to the radiator 41 is extracted by the fan 42 at the rear end of the case 1 in a forced air cooling mode.

Example 4

Example 4 is essentially the same as example 2, except that:

as shown in fig. 4, the sidewall of the chassis 1 is uniformly provided with 50 insertion heat sinks 100, and the structure of the heat sink element 4 can be replaced by: the cooling device comprises two heat dissipation covers 43 which are oppositely arranged and buckled outside a case 1, an air compressor 44 connected with the heat dissipation covers 43 through connecting pipes, a temperature sensor 45 used for detecting the temperature in the case 1, and an exhaust fan 46 arranged at an air outlet 12, wherein the inner wall of each heat dissipation cover 43 is provided with 50 heat dissipation nozzles 430 which can be inserted into and spliced with a heat dissipation port 100 and extend into the case 1, the temperature in the case 1 is detected through the temperature sensor 45, when heat dissipation is needed, external air is pumped into the heat dissipation covers 43 through the air compressor 44 and then is sprayed to each part inside the case 1 through the 50 heat dissipation nozzles 430, air cooled in the case 1 is pumped out through the exhaust fan 46, heat dissipated by each electric element can be cooled in place through the mode, no cooling dead angle exists, the intelligent degree is high, and when the service life is long, the two heat dissipation covers 43 can be detached to clean the heat dissipation nozzles 430, convenient operation, safety and reliability.

The working principle of the embodiment is as follows:

(1) installing the case 1 to a proper position through the case bracket 10, and turning on the power switch 13 to start the device to operate;

(2) when the components in the case 1 normally operate, the CPU board 20 passes through

Turbo Boost technology raises the main frequency to 3.1GHz, CamerLink communication board 21 converts digital video data of external optoelectronic equipment into digital information to interact with CPU, SDI communication board 22 converts analog video data of external optoelectronic equipment into digital information to interact with CPU, CAN bus general board 23 is connected with other CAN bus equipment of the scout car through high-speed CAN bus to complete CAN bus control and data interaction functions, serial bus communication board 24 is connected with other serial bus equipment of the scout car through high-speed serial bus, power board 25 provides power support for the whole computer terminal system, input +20V DC power is converted into +5V and power used by the system, the system bottom board completes interconnection and intercommunication functions between each function board and CPU board 20, and ARM processor is designed to complete panel indication board control, self-destruction button 15 state acquisition, control command issuing and each 2 state information acquisition functions, a plurality of aviation plug connectors 3 are connected with cables of corresponding equipment to complete the functions of man-machine interaction, data communication and the like of a computer system;

(3) in the process, the state acquisition circuits of the seven board cards 2 are used for acquiring information such as the voltage value and the current value of each path of the board cards 2, the current temperature value of the board cards, the working state of the main control chip and the like in real time, and when an abnormal condition occurs, the information can be reported to the CPU board 20, wherein the system bottom board is used as the core of the function, and the actual function of the function is realizedThe process is as follows: a. through I²The C bus sends a self-checking command to each component during the system power-on period, then obtains the state information of each board card 2 in real time, controls the states of three indicator lights of the front panel according to the state information, obtains the self-checking command sent by the application program of the CPU board 20, and passes through I²C, sending a self-checking control command to each component by a bus; b. collecting the state of the front panel self-destruction button 15, adding a filtering algorithm for processing, and reporting to the CPU board 20 to execute the self-destruction function; c. the information state collected in real time is processed through I²The bus C reports the working state information of each component to the application program of the CPU board 20 and receives a self-checking command sent by the application program of the CPU board 20; d, configuring the setting parameters of the CPU board 20CPCIe channel through software;

(4) in the above process, when heat dissipation is required, external air is pumped into the heat dissipation cover 43 through the air compressor 44, then is sprayed to each position inside the chassis 1 through the 50 heat dissipation nozzles 430, and air cooled in the chassis 1 is pumped out through the exhaust fan 46.

Claims (7)

1. Based on CPCIe bus computer terminal system, its characterized in that: the aircraft mainly comprises a chassis (1) with a chassis bracket (10) at the bottom end and an air inlet (11) and an air outlet (12) at the side walls, seven board cards (2) arranged in the chassis (1), a plurality of aviation plug connectors (3) arranged on the front panel and the rear panel of the chassis (1), and a heat dissipation element (4);

the front side wall of the case (1) is respectively provided with a power switch (13), a reset switch (14) and a self-destruction button (15), the outer wall of the case (1) is provided with a plurality of heat dissipation teeth (16), and the heat dissipation teeth (16) form a heat dissipation air duct (160);

seven board cards (2) are all arranged in the case (1) and are respectively a CPU board (20), a CamerLink communication board (21), an SDI communication board (22), a CAN bus general board (23), a serial bus communication board (24), a power board (25) and a system bottom board, and each board card (2) passes through I²The system comprises a C bus connection, wherein the system bottom board is designed to be a master device, and a CPU board (20), a CamerLink communication board (21), an SDI communication board (22), a CAN bus general board (23), a serial bus communication board (24) and a power supply board (25) are respectively set to be slave devices;

USB, PS/2, LAN, DVI, RS232, RS485, RS422, CamerLink and SDI interfaces are respectively led out from the aviation plug connectors (3) and are connected with cables of corresponding equipment to complete the functions of man-machine interaction and data communication of a computer system;

the heat dissipation element (4) comprises a plurality of heat pipes (40) which are fixedly arranged between two adjacent heat dissipation teeth (16) and tightly attached to the outer wall of the case (1), a radiator (41) connected with the plurality of heat pipes (40), and a fan (42) arranged at the air outlet (12).

2. A CPCIe bus-based computer terminal system according to claim 1, wherein a power indicator (17), a hard disk work indicator (18) and an overheating alarm indicator (19) are arranged on the front side wall of the case (1), and the power indicator (17), the hard disk work indicator (18) and the overheating alarm indicator (19) are red-green double-color indicators.

3. The CPCIe bus-based computer termination system according to claim 1, wherein the CPU board (20) is designed in a 6U CPCIe structure and is configured in 1X 8 channel, 1X 4 channel and 4X 1 channels, the CamerLink communication board (21) is designed in a 3U CPCIe structure, is connected with the X8 channel of the CPU board (20) CPCIe bus by using VPX connectors to convert digital video data of an external optoelectronic device into digital information to interact with the CPU, the SDI communication board (22) is designed in a 3U CPCIe structure and is connected with the X4 channel of the CPU board (20) CPCIe bus by using VPX connectors to convert analog video data of the external optoelectronic device into digital information to interact with the CPU, the CAN bus total board (23) is designed in a 3U CPCIe structure and is connected with the X1 channel of the CPU board (20) CPCIe bus by using CPCIe connectors to detect a CAN device through a high-speed CAN bus, the CAN bus control and data interaction functions are completed, the serial bus communication board (24) is designed by adopting a 3U CPCIe structure, a CPCIe connector is used to be connected with an X1 channel of a CPU board (20) CPCIe bus, the serial bus communication board is connected with a serial bus device of the investigation vehicle through a high-speed serial bus, the power supply board (25) is designed by adopting a 3U CPCI structure to provide power supply support for the whole computer terminal system, input + 18V- +36V direct-current power supply is converted into +12V, +5V, +3.3V power supply used by the system, 7 slots are designed on a system bottom board, 2 6U slots and 5 3U slots are designed, the CPU board (20) occupies 1 6U slot, 1 6U slot is reserved, the CamerLink communication board (21), the SDI communication board (22), the CAN bus master board (23) and the serial bus communication board (24) occupy 4U slots; the power strip (25) occupies 1 3U slot.

4. A computer terminal system based on CPCIe bus according to claim 3, wherein said serial bus comprises three serial buses of RS232, RS422 and RS485, which accomplish the functions of serial bus control and data interaction.

5. A computer terminal system based on a CPCIe bus according to claim 1, wherein each of the six board cards (2) is designed with a self-checking circuit, a state collecting circuit and a reporting circuit, and the voltage value and the current value of each voltage of each board card (2), the current temperature value of the board card (2) and the working state information of the main control chip are collected in real time by the state collecting circuit.

6. The CPCIe bus based computer termination system of claim 1, wherein the system backplane uses a Cortex-M3 architecture ARM processor, model LPC1752, designed I²C, bus master device.

7. The CPCIe bus-based computer termination system according to claim 1, wherein the side wall of the case (1) is uniformly provided with a plurality of plug-in heat dissipation ports (100), and the structure of the heat dissipation element (4) can be replaced by: including two relative settings and lock joint heat exchanger (43) outside quick-witted case (1), air compressor machine (44) be connected through connecting pipe and heat exchanger (43), be used for detecting temperature sensor (45) of quick-witted case (1) internal temperature, locate air exhauster (46) of air outlet (12) department, heat exchanger (43) inner wall is equipped with and can insert a plurality of heat dissipation mouths (430) in grafting thermovent (100) and extending to quick-witted case (1).

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