CN109933550A - A kind of redundancy universal bus system for supporting customized signal - Google Patents
A kind of redundancy universal bus system for supporting customized signal Download PDFInfo
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- CN109933550A CN109933550A CN201910157216.1A CN201910157216A CN109933550A CN 109933550 A CN109933550 A CN 109933550A CN 201910157216 A CN201910157216 A CN 201910157216A CN 109933550 A CN109933550 A CN 109933550A
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Abstract
The invention discloses a kind of redundancy universal bus systems for supporting customized signal, including at least three groups of identical sub-networks of function, the bus are related to functional module bus interface, core bus slot position interface and PCB printed wiring.Backboard provides the identical slot position of at least three groups of configurations, it then follows any slot position can be inserted in uniform different function module；Multiple modules are connected by backboard slot position and bus, each Module BUS interface is to include identical three parts of function, each part is connected with corresponding sub-network respectively, constitute one include power supply, distribution, communication, calculating, input/output switching amount semiotic function module system.Redundancy universal bus system provided by the invention provides the communication and control bus of triple redundance or more, provide customized signaling interface, the demand that can satisfy complicated high integration combination electronic instrument, improves the stability of system, is adapted to severe electromagnetic environment and surroundings.
Description
Technical field
The invention belongs to versabus technical fields, and in particular to a kind of redundancy versabus system for supporting customized signal
System.
Background technique
Bus is the transmission line of information for connecting all parts, makes the transmission medium that all parts are shared, bus be usually by
The transmission harness of conducting wire composition, bus can be divided into internal bus, system bus and communication bus.Internal bus refers in chip etc.
Portion connects the bus of each element.System bus refers to the bus of connection each component of internal system.External bus be then between system or
Bus between other systems.Wherein, system bus is divided into three classes again, data/address bus DB (Data Bus), address bus AB
(Address Bus) and control bus CB (Control Bus), system bus are also bus described on ordinary meaning.
Currently, often there are many agreements of standard for the bus of internal system, this is to using uniform module interconnection tool
It is significant.Nowadays the bus that system uses there is not the signals such as power supply, other IO by referring to single communication bus
There is constraint, do not support customized, only supports the general of communication, be unsatisfactory for the demand of practical most of actual complex operating conditions, extension
Property, flexibility is insufficient.And existing VITA76 provides a kind of two redundancy schemes based on module redundancy, by slot position, backboard,
The mode that module backs up completely realizes two Redundancy Designs, but its slot position quantity, bus resource consuming on more serious, volume
Greatly, loss of weight is unobvious, and the space of optimization is more.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the present invention provides a kind of redundancies for supporting customized signal
Universal bus system.The technical problem to be solved in the present invention is achieved through the following technical solutions:
A kind of redundancy universal bus system for supporting customized signal, comprising:
The identical parallel sub-network of at least three groups of functions, every group of sub-network respectively correspond one group of connector assembly；The function
The identical sub-network of energy is symmetrically distributed on backboard, and the slot position docked with connector assembly, the insertion of backboard slot position are configured on backboard
Functional module, and realize by the sub-network connection of multiple functional modules；Wherein, multiple functional modules include
Power supply module, communication module, universal signal module and customized signaling module, and the bus interface of each functional module is all connected with
The identical sub-network of at least three groups of functions.
In one embodiment of the invention, the transmission line of each parallel sub-network includes: power supply line, optical fiber, same
Shaft cable, twisted pair or differential signal communication line, analog signal line and customized route.
In one embodiment of the invention, each connector assembly includes:
First connection unit, for being inserted into the power supply module and the communication module, to provide power supply and realize communication
Function；
Second connection unit, for being inserted into the universal signal module or the customized signaling module, to realize user
General utility functions and custom feature；
Connector connects first connection unit, second connection unit and the parallel sub-network.
In one embodiment of the invention, the connector includes at least three groups of RT2 series connectors or CPCI connection
Device.
In one embodiment of the invention, first connection unit includes:
Including at least three groups of power supply positions, the parallel sub-network is connected by the connector, for being inserted into the confession
Electric module is to provide at least three sets of redundant powers to other all functional modules；
Including at least three groups of communication positions, the parallel sub-network is connected by the connector, for providing bus
Redundancy communication between all modules.
In one embodiment of the invention, the connector assembly includes:
Three key mapping pins that functional module provides, three key position holes that back panel connector component provides；Wherein, each key mapping
Hole has anti-mis-insertion guide surface, by the different angle of guide surface, realizes reliable correct connection.
In one embodiment of the invention, second connection unit includes:
Multiple universal signal contacts, for connecting the functional module and the parallel sub-network by the connector；
Multiple customized signal contacts, for connecting the functional module and the parallel subnet by the connector
Network.
In one embodiment of the invention, the universal signal contact includes:
Universal signal interface, for being electrically connected the functional module and the connector.
In one embodiment of the invention, the customized signal contact includes:
Customized signaling interface, for being electrically connected the functional module and the connector.
Beneficial effects of the present invention:
Redundancy universal bus system provided by the invention provides the communication and control bus of triple redundance or more, provides certainly
Definition signal interface can satisfy the demand of complicated high integration combination electronic instrument, improve the stability of system, can be with
Adapt to severe electromagnetic environment and surroundings.
The present invention is described in further details below with reference to accompanying drawings and embodiments.
Detailed description of the invention
Fig. 1 is a kind of connection signal of redundancy universal bus system for supporting customized signal provided in an embodiment of the present invention
Figure；
Fig. 2 is a kind of structural representation of redundancy universal bus system for supporting customized signal provided in an embodiment of the present invention
Figure；
Fig. 3 is that slot position provided in an embodiment of the present invention with module docks schematic diagram；
Fig. 4 is the structural schematic diagram of 8 slot position redundancy versabus device provided in an embodiment of the present invention.
Specific embodiment
Further detailed description is done to the present invention combined with specific embodiments below, but embodiments of the present invention are not limited to
This.
Embodiment one
Referring to Figure 1 and Fig. 2, Fig. 1 are that a kind of redundancy for supporting customized signal provided in an embodiment of the present invention is general total
The connection schematic diagram of linear system system；Fig. 2 is a kind of redundancy versabus system for supporting customized signal provided in an embodiment of the present invention
The structural schematic diagram of system；
The embodiment of the invention provides a kind of redundancy universal bus systems for supporting customized signal, as shown in Figure 1, packet
It includes:
The identical parallel sub-network (sub-network/exchange network) of at least three groups of functions, every group of sub-network respectively correspond one group
Connector assembly；The identical sub-network of the function is symmetrically distributed on backboard, and configuration is docked with connector assembly on backboard
Slot position, backboard slot position insertions function module, and realize by the sub-network connection of multiple functional modules；Wherein, more
A functional module includes power supply module, communication module, universal signal module and customized signaling module, and each function mould
The bus interface of block is all connected with the identical sub-network of at least three groups of functions
Specifically, system is by the backboard comprising the multiple slot positions of redundant bus band, redundancy feature module composition.Each slot position by
The identical module group of three groups of functions forms, and by backboard printed board connection between slot position, multiple slot positions constitute one completely
Bus network.The functional module configures connector corresponding with backboard redundant bus.
Backboard slot position is for being inserted into multiple functional modules to realize the function of the multiple functional module；Wherein, described more
A functional module includes power supply module, communication module, universal signal module and customized signaling module；
At least three parallel sub-networks, each exchange network for connect the slot position with realize the functional module group with
External connection.
Specifically, at least three functional module groups use identical structure, wherein each functional module group is parallel with this
Sub-network connection, each module group can connect outside by the parallel sub-network, and not by the insertion of each functional module group
Same functional module is to realize the different function of the system.Parallel switching network uses identical structure, it is preferred that each simultaneously
The transmission medium of row sub-network includes: power supply line, optical fiber, coaxial cable, twisted pair, VLAN, VPN, protocol converter, wireless network
Bridge, differential signal communication line, analog signal line and customized route, wherein customized route can carry out customized.
Hub-and-spoke configuration can be used in parallel switching network, and annular, bus topology can also be used, to simplify system, preferably always
Linear topology network.
At least two functional module groups operation in at least three functional module groups that this system provides, and at least one is simultaneously
When row sub-network is unimpeded, which can be worked normally, and which raises the stability of system, be adapted to severe electromagnetic environment
And surroundings.
Further, each connector assembly includes:
First connection unit, for being inserted into the power supply module and the communication module, to provide power supply and realize communication
Function；
Second connection unit, for being inserted into the universal signal module or the customized signaling module, to realize user
General utility functions and custom feature；
Connector connects first connection unit, second connection unit and the parallel sub-network.
Specifically, each connector assembly includes the first connection unit, the second connection unit, the first connection unit and second
Connection unit is connect by way of grafting with backboard, to connect with three parallel switching networks.First connection unit is used for
Power supply and communication provide power supply to all functional modules group when any slot position is inserted into power module；When the insertion of any slot position is logical
When believing module, all modules are communicated.Preferably, the connector includes RT2 series connector or CPCI connector
Or other high-density rectangular connectors.
Further, as shown in Fig. 2, first connection unit includes:
Including at least three groups of power supply positions, the parallel sub-network is connected by the connector, for being inserted into the confession
Electric module is to provide at least three sets of redundant powers to other all functional modules；
Including at least three groups of communication positions, the parallel sub-network is connected by the connector, for providing bus
Redundancy communication between all modules.
Specifically, the first connection unit includes at least three power supply slot positions, is inserted at least three power supply modules to meet, should
Power supply module can be connect by connector with the power supply line in parallel switching network, can be connected by the power supply line power supply module
Being connected to battery, perhaps its backup DC power source provides other function module to convert to battery or other backup power sources
The secondary power supply used.First connection unit can also include multiple power supply slot positions, be inserted into multiple power supply modules, can use
The mode of one main prepare more uses.
First connection unit further includes multiple communication slot positions, wherein multiple communication slot positions pass through connector and at least three
Parallel switching network connection, the communication module of different function can be inserted in multiple communication slot positions, to meet different communicating requirements,
Preferably, power supply module is 5V secondary power supply module, and communication module is high-speed-differential communication module.
Further, the connector assembly includes:
Three key mapping pins that functional module provides, three key position holes that back panel connector component provides；Wherein, each key mapping
Hole has anti-mis-insertion guide surface, by the different angle of guide surface, realizes reliable correct connection.
Specifically, power supply slot position is all made of the key mapping pin and key position hole to match with corresponding function module with slot position is communicated,
The slot of different function module uses different key mapping pin and key position hole (key mapping anti-mis-insertion track), to prevent different function module
Between slot position misplug.Power supply slot position uses the power supply interface to match with power supply module, to connect power supply module and connector.
Communication slot position uses the communication interface to match with communication module, with connection communication module and connector.
Preferably, power supply interface is chip-type contact, and communication interface is low voltage difference to interface.
Key mapping realizes that the anti-mis-insertion of module slot position, each key have 6 key mappings for adjustment by way of combination, each
60 ° of adjacent key phase difference.Three key mappings have 216 kinds of different combinations.
Further, second connection unit includes:
Multiple universal signal contacts, for connecting the functional module and the parallel sub-network by the connector；
Multiple customized signal contacts, for connecting the functional module and the parallel subnet by the connector
Network.
Specifically, the second connection unit includes multiple universal signal contacts, passes through connector and functional module and three
The connection of a parallel switching network can connect other function module or connection external equipment by parallel switching network, can be with
Multiple universal signal modules are inserted into, to realize universal signal module and external signal interaction, similarly, multiple customized signal slots
The grafting of the functional module of multiple customized models may be implemented in position, to realize the function of the module.Preferably, universal signal
Module is 5VIO, 28VIO signal, and customized signaling module is Udf.
Further, the universal signal contact includes: universal signal interface, for being electrically connected the functional module and institute
State connector.
Further, the customized signal contact includes: customized signaling interface, for being electrically connected the functional module
With the connector.
Specifically, it is anti-to be all made of the key mapping to match with corresponding function module for universal signal slot position and customized signal slot position
Key mapping pin and key position hole are mispluged, the slot of different function module uses different key mapping anti-mis-insertion key mapping pin and key position hole, i.e., logical
Different key mapping anti-mis-insertion key mappings is used with signal slot position, customized signal slot position and above-mentioned power supply slot position and communication slot position
Pin and key position hole, wherein the slot position of same type uses identical key mapping anti-mis-insertion key mapping pin and key position hole, and same type may be implemented
It is general between functional module.Universal signal slot position uses and universal signal module degree of matching universal signal interface, with connection
Universal signal module and connector.Customized signal slot position is used and is connect with the customized customized signal of signaling module degree of matching
Mouthful, to connect customized signaling module and connector.
Redundancy universal bus system provided by the invention provides the communication and control bus of triple redundance, provides customized
Signaling interface can satisfy the demand of complicated high integration combination electronic instrument, improve the stability of system, be adapted to
Severe electromagnetic environment and surroundings.
Embodiment two
Refer to Fig. 3 and Fig. 4, Fig. 3 is that slot position provided in an embodiment of the present invention with module docks schematic diagram；Fig. 4 is this hair
The structural schematic diagram for the 8 slot position redundancy versabus devices that bright embodiment provides.Base of the embodiment of the present invention in above-described embodiment
It is illustrated on plinth.As shown in figure 3, a kind of 8 slot position redundancy versabus devices for supporting customized signal, including 8
A functional module slot position, the device may be mounted on standard rack, it is preferred that the model 6U industrial chassises of standard rack,
The plant bulk is 6U.Wherein, slot position 1 is power supply slot position, and the functional module 1 of insertion is power supply module, and slot position 2 is communications slot
Position, insertions function module are communication module, and slot position 3 is universal signal slot position, and insertions function module 3 is universal signal module, slot
Position 4 is customized signal slot position, is inserted from definition signal module.All slot positions are connected as the bus network of redundancy by core bus
Network.Each slot position includes the identical connector of three groups of functions, and first group is P11, P12, and second group is P21, P22, and third group is
P31,P32.When each functional module insertion backboard slot position, be connected with three groups of connectors, three groups of connectors again with three groups of backboard
Parallel bus network connection, parallel bus network are connected as one by backboard printed wiring.
Connector P11, connector P12 are the first connection unit, and connector P11 and connector P12 are connected to three simultaneously
On row exchange network (three buses), specifically, each slot position, the connection relationship of each connector and three parallel switching networks and
Function is same as the previously described embodiments, and details are not described herein again.
Similarly, structure of the slot position 5 to slot position 8, knot of the structure of slot position 9 and slot position 12 with above-mentioned slot position 1 to slot position 4
Structure is identical, and details are not described herein again.
It is general to constitute a kind of 8 slot position redundancies for supporting customized signal provided in an embodiment of the present invention as shown in Figure 4
Bus system.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
What can be combined in any suitable manner in one or more embodiment or examples.In addition, those skilled in the art can say this
Different embodiments or examples described in bright book are engaged and are combined.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (9)
1. a kind of redundancy universal bus system for supporting customized signal characterized by comprising
The identical parallel sub-network of at least three groups of functions, every group of sub-network respectively correspond one group of connector assembly；The function phase
Same sub-network is symmetrically distributed on backboard, and the slot position docked with connector assembly, backboard slot position insertions function are configured on backboard
Module, and realize by the sub-network connection of multiple functional modules；Wherein, multiple functional modules include power supply
Module, communication module, universal signal module and customized signaling module, and the bus interface of each functional module is all connected at least
The identical sub-network of three groups of functions.
2. redundancy universal bus system according to claim 1, which is characterized in that the transmission of each parallel sub-network
Circuit includes: power supply line, optical fiber, coaxial cable, twisted pair or differential signal communication line, analog signal line and customized route.
3. redundancy universal bus system according to claim 1, which is characterized in that each connector assembly includes:
First connection unit, for being inserted into the power supply module and the communication module, to provide power supply and realize communication function；
Second connection unit, for being inserted into the universal signal module or the customized signaling module, to realize that user is general
Function and custom feature；
Connector connects first connection unit, second connection unit and the parallel sub-network.
4. redundancy universal bus system according to claim 3, which is characterized in that the connector includes at least three groups
RT2 series connector or CPCI connector or other high-density rectangular connectors.
5. redundancy universal bus system according to claim 3, which is characterized in that first connection unit includes:
Including at least three groups of power supply positions, the parallel sub-network is connected by the connector, for being inserted into the power supply mould
Block is to provide at least three sets of redundant powers to other all functional modules；
Including at least three groups of communication positions, the parallel sub-network is connected by the connector, is owned in bus for providing
Redundancy communication between module.
6. redundancy universal bus system according to claim 4, which is characterized in that the connector assembly includes:
Three key mapping pins that functional module provides, three key position holes that back panel connector component provides；Wherein, each key position hole tool
There is anti-mis-insertion guide surface, by the different angle of guide surface, realizes reliable correct connection.
7. redundancy universal bus system according to claim 3, which is characterized in that second connection unit includes:
Multiple universal signal contacts, for connecting the functional module and the parallel sub-network by the connector；
Multiple customized signal contacts, for connecting the functional module and the parallel sub-network by the connector.
8. redundancy universal bus system according to claim 7, which is characterized in that the universal signal contact includes:
Universal signal interface, for being electrically connected the functional module and the connector.
9. redundancy universal bus system according to claim 7, which is characterized in that the customized signal contact includes:
Customized signaling interface, for being electrically connected the functional module and the connector.
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| CN201910157216.1A CN109933550B (en) | 2019-03-01 | 2019-03-01 | Redundant universal bus system supporting user-defined signals |
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