CN208158612U - The switching system that function is mutually replaced when a kind of achievable radar computer terminal fault - Google Patents
The switching system that function is mutually replaced when a kind of achievable radar computer terminal fault Download PDFInfo
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- CN208158612U CN208158612U CN201820695768.9U CN201820695768U CN208158612U CN 208158612 U CN208158612 U CN 208158612U CN 201820695768 U CN201820695768 U CN 201820695768U CN 208158612 U CN208158612 U CN 208158612U
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Abstract
The switching system that function is mutually replaced when the utility model provides a kind of achievable radar computer terminal fault, belong to and accuse that computer combination passes through cpci bus with CAN interface plate respectively and connect with two sets of data processing boards of manipulation computer combination, serial bus interface plate, is mounted in same system backplane；Two sets of data processing boards connect the network interface of cabinet air plug by the same network exchange plate；Two sets of serial bus interface plates connect the corresponding interface of cabinet air plug by the same signal switch boards；When a set of computer, which combines, to break down, signal switch boards connect the serial ports of another set of computer combination, so that the network communicating function that the combination of another set of computer is combined by network exchange plate taking over fault computer.The utility model can be improved the reliability of system, and reduce cost.
Description
Technical field
The invention belongs to radar computer technical field, switching system that specifically a kind of function is mutually replaced.
Background technique
Radar project combines (including computer, damper and reinforced keyboard) with calculating machine and passes through CAN bus, universal serial bus
(RS232/422/485), the interior relevant device of the multiple interfaces such as Ethernet connection, realizes and carries out information friendship with these equipment
Mutually, it completes investigation equipment control, reconnaissance processing, information processing, accuse the tasks such as communication.Existing radar terminal system contains
2 sets of identical computer combinations, the respectively combination of charge computer and manipulation computer combination, structure having the same and board
Composition, runs different application software；It accuses that computer connects different external equipments with manipulation computer, is respectively completed system
Control, communication function.In actual use, when scout car is when carrying out combat duty, if wherein a set of computer is combined into
Existing failure (usually computer motherboard failure), the communication or control link down of whole system, will cause task to stop, can only
After faulty computer restores normal, can just go on the war-path task.To improve system reliability, then need just to accuse respectively
Computer combination and manipulation computer combination provide redundancy backup, lead to cost increase.
Summary of the invention
For overcome the deficiencies in the prior art, function is mutual when the present invention provides a kind of achievable radar computer terminal fault
The switching system replaced reduces cost to promote radar stability.
The technical solution adopted by the present invention to solve the technical problems is：When a kind of achievable radar computer terminal fault
The switching system that function is mutually replaced, including system backplane, data processing plate, serial bus interface plate, CAN interface plate, signal
Switch boards and network exchange plate.
Belong to accuse computer combination and manipulation computer combination two sets of data processing boards, serial bus interface plate and
CAN interface plate is connected by cpci bus respectively, is mounted in same system backplane；Two sets of data processing boards pass through same
The network interface of one network exchange plate connection cabinet air plug；Two sets of serial bus interface plates are connected by the same signal switch boards
Pick the corresponding interface of case air plug；When a set of computer, which combines, to break down, signal switch boards connect another set of calculating unit
The serial ports of conjunction, so that the network communicating function that the combination of another set of computer is combined by network exchange plate taking over fault computer.
The two sets of data processing boards pass through 4 road kilomega networks of 2 tunnel gigabit ethernet interfaces Yu network exchange plate respectively
Interface is connected, the network socket of the other 4 tunnel gigabit network interface connection cabinet air plug of network exchange plate.
The RS485 serial ports of two sets of serial bus interface plates and the RS485 serial ports of air plug are connected to by system backplane
Together, it is connected using bus mode；The CAN interface of two sets of CAN interface plates and the CAN interface of air plug pass through system backplane and connect
It is connected to together, is connected using bus mode.
RS232 serial ports, the RS422 serial ports of two sets of serial bus interface plates access signal switch boards, cabinet air plug
RS232, RS422 interface also access signal switch boards；RS232, RS422 interface of cabinet air plug and two sets of serial bus interface plates
RS232 serial ports, RS422 serial ports connection relationship, carry out selection connection by signal switch boards.
The signal switch boards pass through the self-test switch and switching switch control of cabinet panel, when self-test switch is allocated to certainly
When inspection state, switching switch is invalid, RS232, RS422 interface inter-link that signal switch boards combine every set computer, RS485,
CAN interface passes through bus bar, the state of each interface of self-test；When self-test switch is allocated to working condition, determined by switching switch
The connection of corresponding serial ports that RS232, RS422 of cabinet air plug are combined with two sets of computers respectively, or only with wherein a set of computer
The corresponding serial ports connection of combination.
The beneficial effects of the invention are as follows：The board that original 2 sets are combined is incorporated into 1 set of cabinet, using network exchange plate
The network of 2 sets of systems is formed into local area network with signal switch boards, wherein another 1 set of system can pass through net when 1 set of system breaks down
The network communicating function of network power board taking over fault system accuses that computer, manipulation computer partial function are mutual to realize
Substitution, improves the reliability of system, and reduce cost.
Detailed description of the invention
Fig. 1 is the principle of the present invention schematic diagram.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples, and the present invention includes but are not limited to following implementations
Example.
As shown in Figure 1, the switching system that function is mutually replaced when the present invention provides a kind of achievable radar computer terminal fault,
Expanded by 1 block system bottom plate, 2 block numbers according to processing board, 2 blocks of serial bus interface plates, 2 blocks of CAN interface plates, 2 pieces of network graphics
Panel (reserved), 1 block signal switch boards, 1 block of network exchange plate and 1 piece of power panel composition.Data processing plate A, universal serial bus connect
Oralia A, CAN interface plate A form A machine system by cpci bus, and data processing plate B, serial bus interface plate B, CAN are total
Line interface plate B forms B machine system by cpci bus.Network exchange plate, signal switch boards are A machine, B machine system shares.Power supply
Plate is whole system power supply.
A machine, B machine data processing plate pass through 4 tunnel gigabit network interfaces of 2 tunnel gigabit ethernet interfaces Yu network exchange plate respectively
It is connected, the other 4 tunnel gigabit network interface of network exchange plate is connected directly on the network socket of cabinet air plug.
The RS485 serial ports of A machine, the RS485 serial ports of B machine system and air plug is connected to together by system backplane, using total
Line mode connects；The CAN interface of A machine, the CAN interface of B machine and air plug is connected to together by system backplane, uses bus mode
Connection.
A machine, the RS232 serial ports of B machine system, RS422 serial ports access signal switch boards, cabinet air plug RS232-1,
RS232-2, RS422-1, RS422-2 interface also access signal switch boards.RS232, RS422 interface of air plug and A machine, B machine
The connection relationship of RS232 serial ports, RS422 serial ports carries out selection connection by signal switch boards logic.
Signal switch boards pass through the self-test switch for judging cabinet panel, the state of switching switch determines air plug RS232,
The connection relationship of RS422 interface and A machine, B machine RS232, RS422.When self-test/operating switch is allocated to self-test state, switching is opened
It is invalid to close, and signal switch boards interconnect RS232, RS422 interface of A machine, B machine two-by-two, and RS485, CAN are connected by bus mode
It connects, runs self-test software, can check the state of board communication interface.When self-test/operating switch is allocated to working condition, by cutting
The position for changing switch determines the corresponding relationship of air plug RS232, RS422 and A machine, B machine corresponding port.
Switching switch is in middle position (normal work)：
RS232-1, the air plug RS232-2 connection B machine RS232-2 of air plug RS232-1 connection A machine,
RS422-1, the air plug RS422-2 connection B machine RS422-2 of air plug RS422-1 connection A machine；
Switching switch is in upside (work of A machine)：
RS232-1, the air plug RS232-2 connection A machine RS232-2 of air plug RS232-1 connection A machine,
RS422-1, the air plug RS422-2 connection A machine RS422-2 of air plug RS422-1 connection A machine；
Switching switch is in upside (work of B machine)：
RS232-1, the air plug RS232-2 connection B machine RS232-2 of air plug RS232-1 connection B machine,
RS422-1, the air plug RS422-2 connection B machine RS422-2 of air plug RS422-1 connection B machine.
Claims (5)
1. the switching system that function is mutually replaced when a kind of achievable radar computer terminal fault, including system backplane, data processing
Plate, serial bus interface plate, CAN interface plate, signal switch boards and network exchange plate, it is characterised in that：Belong to charge
Two sets of data processing boards of computer combination and manipulation computer combination, serial bus interface plate and CAN interface plate difference
It is connected, is mounted in same system backplane by cpci bus；Two sets of data processing boards are connected by the same network exchange plate
Pick the network interface of case air plug；Two sets of serial bus interface plates connect the corresponding of cabinet air plug by the same signal switch boards
Interface；When a set of computer, which combines, to break down, signal switch boards connect the serial ports of another set of computer combination, so that another
Cover the network communicating function that computer combination is combined by network exchange plate taking over fault computer.
2. the switching system that function is mutually replaced when achievable radar computer terminal fault according to claim 1, feature
It is：The two sets of data processing boards pass through 4 tunnel gigabit network interfaces of 2 tunnel gigabit ethernet interfaces Yu network exchange plate respectively
It is connected, the network socket of the other 4 tunnel gigabit network interface connection cabinet air plug of network exchange plate.
3. the switching system that function is mutually replaced when achievable radar computer terminal fault according to claim 1, feature
It is：The RS485 serial ports of two sets of serial bus interface plates and the RS485 serial ports of air plug are connected to one by system backplane
It rises, is connected using bus mode；The CAN interface of two sets of CAN interface plates is connected with the CAN interface of air plug by system backplane
To together, connected using bus mode.
4. the switching system that function is mutually replaced when achievable radar computer terminal fault according to claim 1, feature
It is：RS232 serial ports, the RS422 serial ports of two sets of serial bus interface plates access signal switch boards, cabinet air plug
RS232, RS422 interface also access signal switch boards；RS232, RS422 interface of cabinet air plug and two sets of serial bus interface plates
RS232 serial ports, RS422 serial ports connection relationship, carry out selection connection by signal switch boards.
5. the switching system that function is mutually replaced when achievable radar computer terminal fault according to claim 1, feature
It is：The signal switch boards pass through the self-test switch and switching switch control of cabinet panel, when self-test switch is allocated to self-test
When state, switching switch is invalid, RS232, RS422 interface inter-link that signal switch boards combine every set computer, RS485, CAN
Interface passes through bus bar, the state of each interface of self-test；When self-test switch is allocated to working condition, cabinet is determined by switching switch
The corresponding serial ports connection that RS232, RS422 of air plug are combined with two sets of computers respectively, or only combined with wherein a set of computer
Corresponding serial ports connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820695768.9U CN208158612U (en) | 2018-05-10 | 2018-05-10 | The switching system that function is mutually replaced when a kind of achievable radar computer terminal fault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820695768.9U CN208158612U (en) | 2018-05-10 | 2018-05-10 | The switching system that function is mutually replaced when a kind of achievable radar computer terminal fault |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208158612U true CN208158612U (en) | 2018-11-27 |
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ID=64390115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820695768.9U Active CN208158612U (en) | 2018-05-10 | 2018-05-10 | The switching system that function is mutually replaced when a kind of achievable radar computer terminal fault |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208158612U (en) |
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2018
- 2018-05-10 CN CN201820695768.9U patent/CN208158612U/en active Active
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