CN104683192B - Data network and aircraft or spacecraft and method - Google Patents
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- CN104683192B CN104683192B CN201410631611.6A CN201410631611A CN104683192B CN 104683192 B CN104683192 B CN 104683192B CN 201410631611 A CN201410631611 A CN 201410631611A CN 104683192 B CN104683192 B CN 104683192B
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Abstract
The present invention provides a kind of data network, especially a kind of data network being used for an aircraft or spacecraft, including a master data grid and wanting data grids at least once.The master data grid includes multiple primary data nodes, wherein the multiple primary data node couples directly to each other or indirectly in data communication, and it is described want at least once data grids include multiple secondary data nodes, it is wherein described that data grids is wanted to be configured to connect the multiple secondary data node and become a data communication chain at least once, and first of the data communication chain secondary data node is connected to corresponding 1 first primary data node, and/or the last one described secondary data node of the data communication chain is connected to corresponding 1 second primary data node.Furthermore a kind of aircraft of present invention offer or spacecraft and a kind of corresponding method.
Description
Technical field
The present invention relates to a kind of data network, especially a kind of data network being used for aircraft or spacecraft, Yi Zhongfei
Machine or spacecraft, and the method for uploading delivery data in aircraft or spacecraft.
Background technology
Although being applicable to any system for including data transfer, the present invention will be to be incorporated in an aircraft or spaceborne
Data transfer describes.For example, the present invention can be used in ship or other platforms (even building), wherein advantageous
, standardized circuit reconfigures.
The multiple electronic devices of aircraft utilization now are for multiple and different tasks, from the control of aircraft to the joy of passenger
It is happy.
For example, electronic device can be used for rudder, wing flap (flap) and suchlike control.Furthermore electronics
Device can be used for cabin illumination, Customer information and such.In aircraft, further applying for electronic device includes information
Entertainment systems and other passenger services, such as linking Internet aboard.
In aircraft now, it is based on independent copper wire type data network, each most of electronic system includes it
The data transmission mechanism of body.Such system architecture leads to a kind of complicated aircraft network with high gross weight.Furthermore such system
Framework system upgrading, update or ressemble aspect and lack module and flexibility.In order to install one on an airplane
A such system architecture, it is necessary to the installation process repeated by one long-term, complicated and height.
Therefore, it is necessary to provide more flexible system architecture for aircraft or spacecraft.
Invention content
The present invention is by a kind of data network according to claim 1, a kind of aircraft according to claim 13 or space flight
Device and a kind of method for transmitting data in an aircraft or spacecraft according to claim 15 solve the above problems.
Therefore, the present invention provides：
A kind of data network is especially used for an aircraft either spacecraft, including：One master data grid, including multiple
Primary data node, wherein the multiple primary data node above (directly or indirectly) is coupled against each other in data communication；And at least
One secondary data grids, each secondary data grid include multiple secondary data nodes and the multiple secondary data section
Point is connected as a data communication chain and first secondary data node of the data communication chain is connected to corresponding one
The last one of first primary data node and/or the data communication chain secondary data node are connected to corresponding 1
Two primary data nodes.
A kind of aircraft or spacecraft, including a kind of data network according to the present invention, and an at least data end subscriber with
The secondary data grid of the data network couples.
A method of for transmitting data in an aircraft or spacecraft, including step：It includes multiple master data sections to provide
One master data grid of point；It provides and wants data grids, the secondary data section at least once comprising multiple secondary data nodes
Point is connected as a data communication chain；First of the data communication chain secondary data node is connected to corresponding 1
One primary data node, and/or the last one described secondary data node of the data communication chain is connected to corresponding 1
Two primary data nodes；At least two data end subscribers are connected to the secondary data node；And pass through the master data net
Lattice and/or the secondary data grid transmit data between at least two data end subscriber.
The present invention is based on the conclusion by this system framework for aircraft or spacecraft, and the aircraft or spacecraft include each
From circuit and data transmission mechanism, lead to increasingly complex aircraft electronic framework.
Therefore, the present invention proposes a kind of multi-layer network framework for the data transfer in an aircraft or spacecraft,
In multiple aircraft systems share a general network architecture.
The present invention provides one first data grids, as an aircraft backbone network, including multiple primary data nodes.It is described
Primary data node couples in data transfer so that all primary data nodes are directly or indirectly through other primary data nodes
It is coupled to other primary data nodes.
The present invention is also provided to a few secondary data network, and it includes multiple secondary data nodes.Compared to the main number
According to grid, the secondary data node of the secondary data grid is connected as a data communication chain, alternatively referred to as daisy chain (daisy
chain).In order to which the data communication chain is connected to the master data network, first in a data communication chain is described secondary
Want back end or in the last one described secondary data node of a data communication chain or the first of a data communication chain
A and the last one described secondary data node can be connected to a primary data node.It is applied according to specific, described first
It can be connected to identical or different primary data node with the last one secondary data node.
Data network according to the present invention may include multiple secondary data grids.For example, the secondary data grid
It can be locally mounted on the fixed point or range of an aircraft or spacecraft, wherein data access must be in the aircraft or spacecraft
It is interior.
In a specific position of aircraft or range, a secondary data grids can include multiple secondary data sections as needed
Point.
The present invention allows electronic system being connected to data network in an aircraft, and in all secondary data nodes
Access point for the electronic system is provided.
Therefore, the present invention provides a kind of flexible framework for the network on aircraft, this is a kind of simple to extend and be applicable in
Brand-new application, and have no need to change maincenter data network.
With reference to attached drawing, further embodiment of the present invention appurtenance range as described below.
In a possible embodiment, the master data grid includes multiple optical data lines, and configuration is described more to provide
Multiple optical datas connection between a primary data node, especially configuring to provide has at least 10 gigabits per second
(Gigabits) the multiple optical data of bandwidth connects.According to the present invention, this to provide such as the data network
Maincenter a high bandwidth data network.Furthermore due to using optical fiber technology, the upgrading in relation to data traffic can easily be led
Enter, reason is that mounted optical fiber can be used for higher band transceiver.
In another possible embodiment, the master data grid by a maximum value of two primary data nodes,
It configures to provide the data connection between primary data node described in any two.Which ensure that the stand-by period of data transfer
It is maintained at low.
In another possible embodiment, the master data grid configuration to provide any two primary data node it
Between at least two data paths.Two data paths provided between any two primary data node allow in the master
Data are transmitted between back end, even when the damage of one of the route or dysfunction.
In another embodiment, the data path of the redundancy between specific source (source) and remittance (sink) must be
It is nonoverlapping, especially in the node and/or data-link.This prevent in data path the failure of single point deposit
.
In another possible embodiment, the multiple primary data node and/or the multiple secondary data node include
Multiple network switch, especially multiple second too network switch.According to the present invention, the second too component in the data network
Using allowing to establish the technology known to one, fully proving and testing.
In another possible embodiment, the secondary data grid include an at least network access node, configuration to
Offer allows an at least data end subscriber to the data access of the secondary data grid.By providing a respective network access
Node, this allows easily to integrate arbitrary data end subscriber.
In another possible embodiment, all secondary data nodes include at least one first data interface, with
And an at least network access node includes one second data interface, is configured to provide an at least network access node
With the data connection described in at least one secondary data node at least between one of one first data interface.It is logical
The needs for crossing application provide data interface between network access node and secondary data node, allow in the network access
The type of different data Transfer Technology is integrated between node and the secondary data node.
In one embodiment, it is one male that first data interface, which is a female second too connector and the second contact surface,
Second too connector.In a simple embodiment, the network access node is an easy second too cable, and a data terminal is used
Family is connected to a secondary back end.
In a possible embodiment, an at least network access node include a third data interface, configuration to
A data connection described in providing between an at least network access node and an at least data end subscriber.This makes the net
For network access node such as the bridge between the data end subscriber and the data network, this is to can readily be used in different applications
In.
In another embodiment, the third data interface includes at least a cable data interface, and/or a wireless data
Interface, and/or a free space optical data interface, and/or a data and electric power data interface (also referred to as power line communication
One of interface (Power Line Communication Interface, PLC)).This allows use for by data
It is transmitted to the technology of data end subscriber, it is suitable for specifically applying or the demand of the data end subscriber.
In an embodiment with a data and electric power data interface, a limited amount of power is provided to auxiliary
Help node, without independent electric wire, especially a node or end subscriber need not be slightly energy to execute its work(
In the case of energy.
In a possible embodiment, the configuration of all primary data nodes is all direct input data packet to be transferred to
Other primary data nodes of connection, and/or it is transferred to all secondary data nodes being directly connected to.Which ensure that not having data
Coating, which is moved, to be lost, even an a primary data node or secondary back end is defective in the data network or a data line quilt
It interrupts.
In one embodiment, input data packet is only transferred to by a primary data node does not receive the corresponding input also
Primary data node before data packet.
In one embodiment, all secondary data nodes configure input data packet is transferred to all be directly connected to
Secondary data node.This, which is also ensured, does not have data packet by shifting mistake, and all data packets can be passed to respective connect
Receive device.
In one embodiment, all primary data nodes only input data packet is transferred to do not receive also it is corresponding described
Secondary data node before input data packet and/or end data user.
In another embodiment, all secondary data nodes are configured to only be transferred to input data packet and have and number
The network access node being connected according to end subscriber.Data packet is only transferred to respective receiver, maintains low network flow.
In a possible embodiment, the data network includes a Backup Data grid, the Backup Data grid packet
Containing the technology for data transfer, it is different from the technology of the data transfer of the master data grid.Allow a Backup Data net
Lattice are contacted with electronic system, even the master data grid and described wanting data grids at least once sheerly dysfunction being simultaneously
And any data can not be transmitted.
In another embodiment, the Backup Data grid includes a passive light data network (passive optical
data network,PON).Passive light data network provides a kind of simple net for being arranged and simply maintaining with low complex degree
Network framework.
In another embodiment, the Backup Data grid includes a redundant data network.The Backup Data net is provided
Lattice further promote the utilizability and data transmission of the data network as a redundant data network.
In one embodiment, one of the Backup Data grid and the primary data node are electrically connected.This permits
Perhaps data are transmitted between the master data network and the Backup Data grid.
In an aircraft or spacecraft embodiment, the data line of the master data network is to be located at or be distributed in
One fuselage framework of the aircraft or spacecraft so that only have a data line can be by local damage and the fuselage in the time
Framework is cut off.If this avoids the fuselage framework of the aircraft or spacecraft encounter a mechanical shock and broken parts described in
Fuselage framework and when data line being caused to interrupt, the master network is interrupted.
In place appropriate, above structure and development can be combined in any way.The present invention it is further possible that structure,
Development and implementation also include not to be explicitly mentioned but have been described in the spy of the present invention that is previous or being described as follows with reference to embodiment
The combination of sign.In particular, in this case, those skilled in the art can also add individual aspect as improvement or improvement
To the citation form of the present invention.
Description of the drawings
In order to be fully understood from the present invention and its advantage, it is described below in conjunction with attached drawing.It is used below
The exemplary embodiment formulated in the schematic diagram of attached drawing to the present invention explained in more detail, wherein：
Fig. 1 shows the block diagram of data network according to the ... of the embodiment of the present invention.
Fig. 2 shows the block diagram of aircraft according to the ... of the embodiment of the present invention.
Fig. 3 shows diagram according to the method for the embodiment of the present invention.
Fig. 4 shows the block diagram of master data grid according to the ... of the embodiment of the present invention.
Fig. 5 shows the block diagram of secondary data grid according to the ... of the embodiment of the present invention.
Fig. 6 shows the block diagram of data network according to the ... of the embodiment of the present invention.
Fig. 7 shows the block diagram in the section of data network according to the ... of the embodiment of the present invention.
Fig. 8 shows the block diagram of secondary data node and the embodiment of network access node.
In the accompanying drawings, unless otherwise indicated, reference mark similar in all cases indicates similar, identical function and phase
Element, feature and the component of biconditional operation.
Specific implementation mode
Fig. 1 shows the block diagram of data network 1 according to the ... of the embodiment of the present invention.
The data network 1 includes master data grid 3 and secondary data grid 4-1.
Primary data node 5-1 and 5-n there are two being set in the master data grid 3.By in two primary data node 5-1
Three points between 5-n indicate any number of additional primary data node.Two primary data node 5-1 are only shown in Fig. 1
And 5-n, and connected by single data line.If more primary data nodes are shown in Fig. 1, additional master data section
Point can be connected by multiple data line families, wherein a plurality of route can be between any two primary data node 5-1 and 5-n.
Secondary data node 6-1 and 6-n there are two being set in the secondary data grid 4-1.It is same primary, by two
Three points between secondary data node 6-1 and 6-n indicate any number of additional secondary data node.In the secondary number
According to grid 4-1, described two secondary data node 6-1 and 6-n form a data communication chain 7-1.Described two secondary data sections
Point 6-1 and 6-n is described by dotted outline.This will be identical as entire chapter others diagram.
The data communication chain 7-1 is configured to so-called daisy chaining.This means that only in neighbouring secondary data section
Point 6-1 is to providing a direct data line between 6-n, and when data are passed to secondary data node 6-1 to 6-n,
Data are not directly addressable or accessible by sender by respective secondary data node 6-1 to 6-n.
In one embodiment, the master data grid 3 include optical data line 10-1 to 10-n, by one quickly and can
It is connected with each other by ground Data Transfer Technology and the primary data node 5-1 to 5-n.In particular, the optical data connection can wrap
Containing the data rate per second more than 10gigabits.
In a further embodiment, the master data grid 3 passes through the one of two others primary data node 5-1 to 5-n
Maximum value configures to connect any two primary data node 5-1 to 5-n.In other words, in any two primary data node 5-
1 includes a maximum value of three sections of distances (hop) to the data path between 5-n.
In embodiment as shown in Figure 1, the primary data node 5-1 to 5-n and the secondary data node 6-1 to 6-n
Including the second too network switch.In another embodiment, the primary data node 5-1 to the 5-n and secondary data node 6-1
It may include any other switch technology to 6-n, data packet can be transmitted towards the direction of receiving unit.
Data grids 3 as shown in Figure 1, in addition to the received data packet the primary data node 5-1 to 5-n it
Outside, input data packet is transferred to the primary data node 5-1 for being attached directly to send by all primary data node 5-1 to 5-n
To all primary data node 5-1 to 5-n of 5-n, to ensure that data packet is transferred to one on different and redundancy data paths
Receiving unit.In another embodiment, primary data node 5-1 to 5-n includes routing list, and one is specifically connect
It receives unit and input data packet is only transferred to by preferred next primary data node 5-1 to 5-n according to the routing list.Its
His path operation, such as the path operation based on a pre-determined route scheme can also be used.
Fig. 2 shows the block diagram of aircraft 2 according to the ... of the embodiment of the present invention.
The aircraft 2 include a master data grid, specific description is not done by its profile, by by
Three primary data nodes 5-2,5-3 and 5-4 that optical data line 10-1 to 10-4 is connected with each other.One first optical data line 10-1
First primary data node 5-2 is connected to third primary data node 5-4.One second optical data line 10-2 is also led described first
Back end 5-2 is connected to the third primary data node 5-4.Furthermore a third optical data line 10-3 is led described first
Back end 5-2 is connected to the second primary data node 5-3.Finally, one the 4th optical data line 10-4 is by second master data
Node 5-3 is connected to the third primary data node 5-4.
Furthermore the aircraft 2 includes two secondary data grids, is shown by its profile.And institute
Master data grid and secondary data grid system are stated by respective secondary data node 6-2 to 6-6 to show.
It includes to want back end 6-2 for the first time and be connected to the first time to want back end 6- to want data grids for the first time
2 want back end 6-3 for the second time.The first time wants the first time of data grids that back end 6-2 is wanted to be connected to institute
State the third primary data node 5-4 of master data grid.
It includes three secondary data node 6-4 to 6-6 to want data grids for the second time, is connected as a data communication chain or chrysanthemum
Pattern chain.It is described to want the first time of data grids that back end 6-4 is wanted to be connected to the first primary data node 5-2 for the second time, with
And described the third primary data node 6-6 of data grids is wanted to be connected to the second primary data node 5-3 for the second time.
In the aircraft 2, the position of the primary data node 5-2 to 5-4 is chosen so that the optical data line
Different locations of the 10-1 to 10-4 through the fuselage framework of the aircraft 2.If this prevent the incidents of the fuselage framework of the aircraft
More than one optical data line is caused to be cut off by the damage of part, such as unexpected by the burst of a fan.
In fig. 2, data grids 1 of the invention show together with injection engine formula aircraft 2.In another implementation of the present invention
In example, it can be used for any aircraft 2 or spacecraft.Furthermore the present invention can be used for truck, automobile, train, container ship, ship
And the like.
Fig. 3 shows diagram according to the method for the embodiment of the present invention.
In first step S1, the master data grid 3 comprising multiple primary data node 5-1 to 5-n is provided.Implement herein
In example, the master data grid 3 is provided in an aircraft.Explained as made by above, the present invention also can be used for truck,
Automobile, train, container ship, ship and the like.
In second step S2, provides and want data grids 4- at least once comprising multiple secondary data node 6-1 to 6-n
1 to 4-n, the secondary data node 6-1 to 6-n is connected as a data communication chain 7-1 to 7-n.
In third step S3, by first of the data communication chain (7-1 to 7-n) the secondary data node 6-1
Corresponding 1 first primary data node 5-1 is connected to 5-n to 6-n, and/or by the last of the data communication chain 7-1 to 7-n
One secondary data node 6-1 to 6-n is connected to corresponding 1 second primary data node 5-1 to 5-n.
In the fourth step s 4, at least two data end subscriber 12-1 to 12-n are connected to the secondary data node 6-
1 to 6-n.
Finally, in the 5th step S5, pass through the master data grid 3 and/or the secondary data grid 4-1 to 4-n
In at least two data end subscriber 12-1 to transmitting data between 12-n.
In one embodiment, the data transfer in the 5th step is by being transmitted in any primary data node 5-1 to 5-n
To every other primary data node 5-1 to 5-n, (it refers to the primary data node 5-1 for being connected to reception to any input data packet
To 5-n, but not comprising transmit the data packet primary data node 5-1 to 5-n and/or any other corresponding number has been received
According to the primary data node 5-1 to 5-n of packet).
In another embodiment, the 5th step S5 includes：In the primary data node 5-1 to 5-n and/or the secondary number
A routing list is established according to node 6-1 to 6-n, and is transmitted according to the receiver of the data packet and the routing list
Input data packet.The path of redundancy can be carried out.Furthermore error correction mechanism can be embodied in the data transfer.
Fig. 4 shows the block diagram of master data grid 3 according to the ... of the embodiment of the present invention.
The master data grid 3 includes eight primary data node 5-10 to 5-17.First to third primary data node 5-10
It is arranged to the first row to 5-12.4th to the 5th primary data node 5-13 to 5-14 is arranged first to third master with being centered
It is the second row under back end 5-10 to 5-12.Finally, in the third line, the six, the 7th and the 8th primary data node 5-15 is extremely
5-17 is arranged under the first row with being also centered.
Pass through multiple optical data line 10-1 to 10-19 connections in Fig. 4, the primary data node 5-10 to 5-17.First
The 6th primary data node 5-15 is connected to the third primary data node 5-12 by optical data line 10-1.Second optics number
The first primary data node 5-10 is connected to the third primary data node 5-12 according to line 10-2.Third optical data line
The second primary data node 5-11 is connected to the third primary data node 5-12 by 10-3.4th optical data line 10-4 will
The third primary data node 5-12 is connected to the 8th primary data node 5-17.5th optical data line 10-5 is by described
Eight primary data node 5-17 are connected to the first primary data node 5-10.6th optical data line 10-6 is by the 8th main number
It is connected to the 6th primary data node 5-15 according to node 5-17.7th optical data line 10-7 is by the 8th primary data node
5-17 is connected to the 7th primary data node 5-16.8th optical data line 10-8 connects the 6th primary data node 5-15
It is connected to the 7th primary data node 5-16.The first primary data node 5-10 is connected to institute by the 9th optical data line 10-9
State the 6th primary data node 5-15.The first primary data node 5-10 is connected to described by the tenth optical data line 10-10
Two primary data node 5-11.The first primary data node 5-10 is connected to the described 4th by the 11st optical data line 10-11
Primary data node 5-13.The second primary data node 5-11 is connected to the 4th master by the 12nd optical data line 10-12
Back end 5-13.The 4th primary data node 5-13 is connected to the 5th main number by the 13rd optical data line 10-13
According to node 5-14.The 6th primary data node 5-15 is connected to the 4th master data by the 14th optical data line 10-14
Node 5-13.The 4th primary data node 5-13 is connected to the 7th master data section by the 15th optical data line 10-15
Point 5-16.The second primary data node 5-11 is connected to the 5th primary data node by the 16th optical data line 10-16
5-14.The 5th primary data node 5-14 is connected to the 7th primary data node 5- by the 17th optical data line 10-17
16.The third primary data node 5-12 is connected to the 5th primary data node 5-14 by the 18th optical data line 10-18.
Finally, the 5th primary data node 5-14 is connected to the 8th primary data node 5- by the 19th optical data line 10-19
17。
How Fig. 4 can be texturized the master data grid 3 to provide multiple data paths to single a master data
Node 5-10 to 5-17 becomes apparent.
If any one described optical data line 10-1 to 10-19 is interrupted, data can still be passed to any
Primary data node 5-10 to 5-17.
Furthermore in the data grids of Fig. 43, multiple optical data line 10-1 to 10-19 can be interrupted, and data according to
Any one primary data node 5-10 to 5-17 can be so passed to.
In another embodiment, the quantity of optical data line 10-1 to 10-19 can be increased or decreased, and be depended in a tool
The demand of the quality of redundancy (redundancy) in the application of body.
In Fig. 4, not every primary data node 5-10 to 5-17 all include one with other primary data nodes 5-10 extremely
The direct data connection of 5-17.In another embodiment, lost data connection (missing data connection) can quilt
Implement so that all primary data node 5-10 to 5-17 include direct with every other primary data node 5-10 to 5-17
Data connection.
In Fig. 4, the data connection is established by optical data line 10-1 to 10-19.In another embodiment,
His data connection medium, such as copper cable, air or the like can be used in the primary data node 5-10 to 5-17
Between transmit data.
Fig. 5 shows the block diagram of secondary data grid 4-2 according to the ... of the embodiment of the present invention.
In the secondary data grid 4-2, four secondary data node 6-20 to 6-23 are presented.Furthermore secondary data
Node by wanting back end 6-21 and third time that three points between back end 6-22 is wanted to be expressed for the second time.Described time
Back end 6-20 to 6-23 is wanted to be connected as a data communication chain 7-2.
Back end 6-20 is wanted to be connected to one first primary data node 5-20 and the 4th secondary data node 6- for the first time
23 are connected to one second primary data node 5-21.The primary data node 5-20 and 5-21 is connected by an optical data line 10-20
It is connected to each other.
Fig. 6 shows the block diagram of data network 1 according to the ... of the embodiment of the present invention.
The data network 1 of Fig. 6 is the master data grid 3 based on Fig. 4, and includes 15 data communication chain 7-10
To 7-24.In Fig. 6, only first data communication chain 7-10 and the last one data communication chain 7-24 be labeled with reference mark with
It should be readily appreciated that.
First data communication chain 7-10 is connected to the first primary data node 5-10 and the 6th primary data node 5-
15.Second data communication chain 7-11 is connected to the first primary data node 5-10 and the second primary data node 5-11.The
Three data communication chain 7-12 are connected to the first primary data node 5-10 and the second primary data node 5-11.4th data
Communication chain 7-13 is connected to the first primary data node 5-10 and the 4th primary data node 5-13.5th data communication chain
7-14 is connected to the 4th primary data node 5-13 and the 6th primary data node 5-15.6th data communication chain 7-15 connects
It is connected to the 6th primary data node 5-15 and the 7th primary data node 5-16.7th data communication chain 7-16 is connected to institute
State the 6th primary data node 5-15 and the 7th primary data node 5-16.8th data communication chain 7-17 is connected to the described 4th
Primary data node 5-13 and the 5th primary data node 5-14.9th data communication chain 7-18 is connected to the 4th master data
Node 5-13 and the 5th primary data node 5-14.Tenth data communication chain 7-19 is connected to the second primary data node 5-
The 11 and third primary data node 5-12.11st data communication chain 7-20 be connected to the third primary data node 5-12 and
The 5th primary data node 5-14.12nd data communication chain 7-21 is connected to the 5th primary data node 5-14 and described
8th primary data node 5-17.13rd data communication chain 7-22 is connected to the 7th primary data node 5-16 and the described 8th
Primary data node 5-17.14th data communication chain 7-23 is connected to the third primary data node 5-12 and the 8th main number
According to node 5-17.Finally, the 15th data communication chain 7-24 is connected to the third primary data node 5-12 and the 8th master
Back end 5-17.
The data communication chain 7-10 to 7-24 includes different number of secondary data node 6-1 to 6-n (for ease of reason
Solution, is not shown in Fig. 6 by its reference mark).In Fig. 6, it can be seen that pass through the of respective data communication chain 7-10 to 7-24
One secondary data node 6-1 to 6-n and the last one for passing through respective data communication chain 7-10 to 7-24 are described secondary
Back end 6-1 to 6-n, all data communication chain 7-10 to 7-24 is wanted to be all connected to a primary data node 5-10 to 5-17.
The partial data communication chain 7-10 to 7-24 for being connected to two primary data node 5-10 to 5-n, such as data are logical
Believe chain 7-11, only includes a secondary data node 6-1 to 6-n.
In other embodiments, data communication chain 7-10 to 7-24 can be by the way that only there are one corresponding secondary data nodes
6-1 to 6-n is connected to a primary data node 5-1 to 5-n.In particular, they can also pass through a secondary data node 6-1
It is connected to a primary data node 5-1 to 5-n to 6-n (centre for being located at corresponding data communication chain 7-10 to 7-24).
Fig. 7 shows the block diagram in the section of data network 1 according to the ... of the embodiment of the present invention.
The section of the data network 1 shows a primary data node 5-30, is connected to a Backup Data grid 20.
The Backup Data grid 20 include one first optical splitter 21-1, be connected to the primary data node 5-30 and
The other three optical splitter 21-2,21-4 and 21-6.
The optical splitter 21-2 is further attached to a secondary back end 6-31 and other optical splitter 21-3.Optical splitter
21-3 is further attached to two secondary data nodes 6-32 and 6-33.
The optical splitter 21-6 is further attached to a secondary back end 6-34 and other optical splitter 21-7.Optical splitter
21-7 is further attached to the secondary secondary back end 6-36 of back end 6-35 and one.
The optical splitter 21-4 is further attached to a secondary back end 6-39 and other optical splitter 21-5.Optical splitter
21-5 is further attached to the secondary secondary back end 6-38 of back end 6-37 and one.
In Fig. 7, the Backup Data grid 20 includes a passive optical network (passive optical network).This
It is a kind of Data Transfer Technology, is different from second too optical fiber or twisted-pair feeder copper cable, and avoids because using the master data
On grid 3 or the secondary data grid 4-1 to 4-n the problem of intrinsic Data Transfer Technology, and lead to the Backup Data
Grid 20 fails together with the master data grid 3 or the secondary data grid 4-1 to 4-n.
In an aircraft, a backup network can be used, such as aircraft control system and security-related electronics
System.This has the advantage of the Backup Data grid 20 will not be the customized theme of client.Furthermore no matter data pass
The source or remittance passed are cockpit either electronic compartment (electronic bay, E-Bay), 20 meeting of Backup Data grid
One number shape structure is provided.The two is all to install with highly interconnecting and be close together.Therefore, in these embodiments
In, the Backup Data grid may be mounted to that in a very limited space.
In another embodiment, the Backup Data grid 20 may include any other Data Transfer Technology.Furthermore at least
In part, the Backup Data grid 20 may include the second Backup Data grid of a redundancy.
Fig. 8 shows the block diagram of the embodiment of secondary data node 6-40 and network access node 11-1 to 11-4.
The secondary data node 6-40 includes four the first data interface 13-1 to 13-4.First data interface 13-1 connects
It is connected to the one second data interface 14-1 of first network access node 11-1.Second data interface 13-2 is connected to the second network and deposits
Take the one second data interface 14-2 of node 11-2.Third data interface 13-3 is connected to the one of third network access node 11-3
Second data interface 14-3.Finally, the 4th data interface 13-4 is connected to one second data of the 4th network access node 11-4
Interface 14-4.
All network access node 11-1 to 11-4 include to be connected to respective network access node 11-1 to 11-4
A third data interface 15-1 to 15-4 of respective data end subscriber 12-1 to 12-n.
In Fig. 8, first the first data interface 13-1 is a cable data interface, for example, wired second too interface.At this
In the case of, for along with the second of corresponding transceiver too cable, the first data interface 13-1 and described second
Data interface 14-1 can be female.
Second the first data interface 13-2 is a wireless data interface, for example, a kind of radio area network or the whole world are micro-
Wave intercommunication accesses (Worldwide Interoperability for Microwave Access) interface, WiMAX) boundary
Face.
Third the first data interface 13-3 is a free space optical data interface, for example, by infrared light supply or visible
The adjusting (for example, cabin illumination of aircraft) of light source.
4th the first data interface 13-4 is a data and electric power data interface.This can be by cable power supply sum number
According to or wireless power and data (such as inductive power) interface.
The first data interface 13-1 to 13-4, the second data interface 14-1 to 14-4 and the third data
The sequence and type of interface 15-1 to 15-4 is only as demonstration.In other embodiments, secondary data node 6-1 to 6-n can
Including the first data interface 13-1 to 13-4 more or less than four.
The third data interface 15-1 to 15-4 can be any kind of data interface, be necessary or by institute
Data end subscriber 12-1 is stated to be used.The network access node 11-1 to 11-4 is used as from respective third data interface 15-1
To 15-4 to the data converter of respective second data interface 14-1 to 14-4 and the first data interface 13-1 to 13-4.
The data end subscriber 12-1 to 12-4 may include any aircraft system or part, must be with other aircraft systems
Or part is into row data communication.For example, the data end subscriber 12-1 to 12-4 may include aircraft control system and use
Amusement in passenger or information system.Furthermore the data end subscriber 12-1 to 12-4 also may include the personal device of passenger, example
As laptop, smart mobile phone, tablet computer are either such.
Such as Fig. 1 above-mentioned to 8, the present invention allows to provide a kind of number that there is a standard wiring to install in an aircraft 2
According to network 1, can be easily extended to coordinate the demand of certain applications or client.
In one embodiment, the primary data node 5-1 to the 5-n and secondary data node 6-1 to 6-n includes standard
Form factor shell and/or standard shape coefficient blindmate formula installs connector.
In the application of the present invention, it is possible to understand that ground, for example same electronic system of a data grids, including back end and communication
Line, wherein the electronic system configurations are to be communicated by data line.
In this specification, term " data line " is not limited to the data line of physics.It is to want instead of term " data line "
Meet the connotation of any data transfer tool between two back end.Therefore, data line is alternatively a wireless data link,
Such as radio area network (WLAN) data link, company's tooth data link are either such between two nodes.
In the present specification, back end is all electronic devices, can be by data line into row data communication.
Data communication chain is the chain of back end, is coupled in order each other by data line.Such data communication
Chain is alternatively referred to as daisy chain.
Term " optical data line " refers to that optical fiber optical data line or any other can transmit data optical signal
Medium.
Circuit of one data path between one first back end and one second back end, and pass through a data network
Lattice or data grids by multiple interconnections.
In this specification, network access node is a back end, provides other electronic devices (such as data terminal
User) to the access of a data grids.
In this application, data end subscriber is not a node of data grids, can be to data grids into line access
An electronic device.The data that the data end subscriber production or consumption are transmitted via data grids.
It can be any data interface according to the cable data interface of description of the invention, use circuit, optics or electronics
Formula carries out transmission data.
In this application, a wireless data interface includes any data interface, using electronics and/or magnetic wave and/or is penetrated
Frequency carries out data transfer by air.
Application according to the present invention, a free space optical data interface are an optical data interface, are not to use optics
Line or optical fiber and transmit data via light.Free space optical data interface is using a light source and adjusts the light source to pass through
Air (such as radio interface) transmits data.
In this application, a data and electric power data interface are a data interface, transmit data and electric power to one simultaneously
Device.It can be cable tie beam or wireless, such as induction type that data and electric power, which transmit,.
Although being illustrated and described in this specific embodiment, it should be appreciated that various change and/or comparable reality
Applying can exist by those skilled in the art.It should also be understood that the embodiment of the embodiment or multiple demonstrations demonstrated is only
Only it is example, is not to limit range, applicability or structure in any way.But summary above-mentioned and detailed description
Convenient instruction will be provided to those skilled in the art, for realizing the embodiment of at least one demonstration, it is possible to understand that
Different variations can be made by being the function of describing in an exemplary embodiment and element arrangement, without departing from such as being wanted in appended right
The range that summation proposes in its legal equivalents.In general, the application is intended to cover specific embodiment discussed herein
Any modification or variation.
Attached drawing is included to further understand the present invention, and is included in this specification, and constitutes part of it.
Attached drawing illustrates the embodiment of the present invention, and is used to explain the principle of the present invention together with specification.It will readily appreciate that this hair
The advantages of many expectations of bright other embodiments and the present invention, and be better understood by reference to the following detailed description.Institute
The element for stating diagram does not need to be proportional relative to each other.
Detailed description in front, it is either public in order to simplify purpose that various features are combined in one or more examples
The example opened.It should be understood that above description is intended to be exemplary, rather than it is restrictive.It, which is intended to covering, to wrap
Include all replacements within the scope of the invention, modification and equivalent.Many other embodiments is above-mentioned for being based on studying
It is apparent for those skilled in the art of explanation.
Specific nomenclature used in the description is for providing the deep understanding present invention in front.However, this will be
It will be apparent that those skilled in the art are according to specification provided herein, in order to implement the present invention, concrete details is need not
It wants.Therefore, the preceding description of the particular embodiment of the present invention is the purpose of example and explanation.They be not it is exhaustive or
Person limits the invention to disclosed precise forms.It is apparent that many improvement and variation can be carried out in view of above-mentioned introduction.It is described
Embodiment is selected and is described most preferably to illustrate the principle of the present invention and its practical application, so that people in the art
Member can most preferably using the present invention and each embodiment and be suitable for specific using the various improvement considered.Illustrate in entire chapter
Book is in use, term " comprising " and the equivalent for being used as respective term "comprising" and the plain English of " wherein " " wherein ".
In addition, term " first ", " second ", " third " etc. are only used as mark, and number is not forced to their object
Word requirement, or certain hierarchical arrangement is established to the importance of their object.
Claims (14)
1. a kind of data network is used for a spacecraft, which is characterized in that include：
One master data grid, including multiple primary data nodes, the multiple primary data node is coupled against each other in data communication；
It includes multiple secondary data nodes and the multiple time to want data grids, each secondary data grid at least once
Want that back end is connected as a data communication chain and first secondary data node of the data communication chain is connected to
The last one described secondary data node of corresponding 1 first primary data node and/or the data communication chain is connected to phase
One second primary data node answered；And
One Backup Data grid, the Backup Data grid include the technology for data transfer, are different from the master data
The technology of the data transfer of grid.
2. data network as described in claim 1, which is characterized in that the master data grid includes multiple optical data lines,
Configuration configures per second with one to provide to provide the connection of multiple optical datas between the multiple primary data node
The multiple optical data of the bandwidth of at least 10 gigabits (Gigabits) connects；And/or
The master data grid configuration is up to master data described in any two of four primary data nodes to provide in length
A data connection between node；And/or
The master data grid configuration is providing at least two data paths between any two primary data node.
3. data network as described in claim 1, which is characterized in that the multiple primary data node and/or the multiple time
It includes multiple network switch to want back end.
4. data network as described in claim 1, which is characterized in that the secondary data grid includes an at least network access
Node configures to provide the data access for allowing an at least data end subscriber to the secondary data grid.
5. data network as claimed in claim 4, which is characterized in that all secondary data nodes include at least 1 the
One data interface and an at least network access node include one second data interface, configuration to provide it is described at least
Between one network access node and described at least one of one first data interface of at least one secondary data node
A data connection.
6. data network as claimed in claim 4, which is characterized in that an at least network access node includes a third number
According to interface, configures and connect to provide the data between an at least network access node and an at least data end subscriber
It connects.
7. data network as claimed in claim 6, which is characterized in that the third data interface includes at least a cable data
Interface, a wireless data interface, a free space optical data interface and one of a data and electric power data interface.
8. such as claim 1 to 7 any one of them data network, which is characterized in that all primary data node configurations are used
Input data packet is transferred to all other primary data nodes being directly connected to, and/or it is transferred to all times being directly connected to
Want back end.
9. data network as claimed in claim 4, which is characterized in that all secondary data nodes configure that number will be inputted
All secondary data nodes being directly connected to are transferred to according to packet, and/or are only transferred to the network being connected with data end subscriber
Access node.
10. data network as described in claim 1, which is characterized in that the Backup Data grid includes a passive light data
Network；And/or the Backup Data grid includes a redundant data network.
11. the data network as described in claim 1 or 10, which is characterized in that the Backup Data grid and the main number
It is electrically connected according to one of node.
12. a kind of spacecraft, including：
A kind of data network according to any one of claim 1 to 11；
The secondary data grid of an at least data end subscriber and the data network couples.
13. spacecraft as claimed in claim 12, which is characterized in that the data line of the master data grid is distributed on described
One fuselage framework of spacecraft so that only have a data line that can be cut off by local damage and the fuselage framework in the time.
14. a kind of method for transmitting data in a spacecraft, which is characterized in that include：
The master data grid for including multiple primary data nodes is provided；
It provides and wants data grids, the secondary data node to be connected as a data at least once comprising multiple secondary data nodes
Communication chain；
A Backup Data grid is provided, the Backup Data grid includes the technology for data transfer, is different from the master
The technology of the data transfer of data grids；
First of the data communication chain secondary data node is connected to corresponding 1 first primary data node, and/
Or the last one described secondary data node of the data communication chain is connected to corresponding 1 second primary data node；
At least two data end subscribers are connected to the secondary data node；And
By the master data grid and/or the secondary data grid number is transmitted between at least two data end subscriber
According to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410631611.6A CN104683192B (en) | 2013-11-11 | 2014-11-11 | Data network and aircraft or spacecraft and method |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13192348.4A EP2871805B1 (en) | 2013-11-11 | 2013-11-11 | Data network, aircraft or spacecraft, and method |
| EA13192348.4 | 2013-11-11 | ||
| CN201410631611.6A CN104683192B (en) | 2013-11-11 | 2014-11-11 | Data network and aircraft or spacecraft and method |
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| CN104683192B true CN104683192B (en) | 2018-07-13 |
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| US9866319B2 (en) * | 2015-08-31 | 2018-01-09 | The Boeing Company | System and method for establishing a free space optical link without gimbaled optics |
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| CN101939932A (en) * | 2008-02-08 | 2011-01-05 | 松下航空电子公司 | Optical communication system and method for distributing content aboard a mobile platform during travel |
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| EP1813035B1 (en) * | 2004-11-05 | 2014-03-05 | Panasonic Avionics Corporation | System and method for receiving broadcast content on a mobile platform during international travel |
| ES2715850T3 (en) * | 2009-08-06 | 2019-06-06 | Global Eagle Entertainment Inc | In-flight system of interconnection in series fiber network to the seat |
| US9077641B2 (en) * | 2011-05-15 | 2015-07-07 | Orbit Communication Systems Ltd. | Static ring network for vehicle communications |
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| US4422180A (en) * | 1980-09-02 | 1983-12-20 | Messerschmitt-Boelkow-Blohm Gesellschaft Mit Beschraenkter Haftung | Control signal transmitting apparatus, particularly for aircraft |
| CN101939932A (en) * | 2008-02-08 | 2011-01-05 | 松下航空电子公司 | Optical communication system and method for distributing content aboard a mobile platform during travel |
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