CN206364831U - Data transmission device based on ring network structure - Google Patents
Data transmission device based on ring network structure Download PDFInfo
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- CN206364831U CN206364831U CN201621389386.0U CN201621389386U CN206364831U CN 206364831 U CN206364831 U CN 206364831U CN 201621389386 U CN201621389386 U CN 201621389386U CN 206364831 U CN206364831 U CN 206364831U
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- interchanger
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Abstract
The utility model provides a kind of data transmission device based on ring network structure, and described device includes：Interchanger and N number of distal adapter；Interchanger major network mouthful and the secondary network interface of interchanger are configured on the interchanger, any one described distal adapter configures a distal adapter major network mouthful and the secondary network interface of distal adapter；The secondary network interface of distal adapter of the interchanger major network mouthful and first distal adapter is electrically connected with, and the distal adapter major network mouthful of the secondary network interface of the interchanger and n-th distal adapter is electrically connected with；The 1st distal adapter major network mouthful to n-th distal adapter is electrically connected with successively with the secondary network interface of distal adapter, to form the data transmission device of ring network structure.The utility model uses the data-transmission mode of ring network structure, the quantity of deployment interchanger and the amount of wiring of netting twine can not only be reduced, it can avoid, due to data loss problem caused by the breaking suddenly of certain section of netting twine, system cost being greatlyd save on the premise of Logistics networks are stable simultaneously.
Description
Technical field
The utility model belongs to the communications field, more particularly to a kind of data transmission device based on ring network structure.
Background technology
With the development of intelligent network system, the data transmission system in Sensor monitoring business needs to solve collection number
According to long-distance transmissions problem, while also need to solve gathered data suspension resume problem；In the prior art, usually using list
The data acquisition unit of network interface realizes the topological network transmission structure of bus-type by netting twine and interchanger.
Bus-type topology network architecture is to mount each data acquisition unit in network with a bus, realizes and passes
The function of sensor network；Bus type topological structure is applied to the relative small number of LAN of communication equipment, usual this office
The transmission rate of domain network is primarily adapted for use in the less place of network size in 100Mbps.
Bus-type topology network architecture has the disadvantages that：
1）, bus-type topology network architecture bus transfer apart from limited, communication range is restricted；
2）, in bus-type topology network architecture, once line broken circuit will cause whole network outage, and then cause it
Less stable, security is low, monitors relatively difficult, is difficult to increase new site；
3）Fault diagnosis and isolation are relatively difficult；Although bus topology is adapted to the layout of office, it is easy to install, do
The failure of line cable will cause whole network to paralyse；Work as nodes break down, isolation gets up also more convenient, once transmission
When medium breaks down, it is necessary to cut off whole bus；
4）It is prone to data collision, contention phenomenon is than more serious；Distributed protocol it cannot be guaranteed that information it is timely
Transmission, without real-time function, website must have medium access control function, so that the hardware and software for adding website is opened
Pin.
The content of the invention
The purpose of this utility model is to provide a kind of data transmission device based on ring network structure.
To achieve the above object, the embodiment of the utility model one provides a kind of data transfer dress based on ring network structure
Put, described device includes：Interchanger and N number of distal adapter, N are the positive integer more than or equal to 2；
Interchanger major network mouthful and the secondary network interface of interchanger are configured on the interchanger, any one described distal adapter is configured
One distal adapter major network mouthful and the secondary network interface of distal adapter；
The secondary network interface of distal adapter of the interchanger major network mouthful and first distal adapter is electrically connected with, described to exchange
The distal adapter major network mouthful of machine pair network interface and n-th distal adapter is electrically connected with；1st to n-th distal adapter
Distal adapter major network mouthful is electrically connected with successively with the secondary network interface of distal adapter, to form the data transmission device of ring network structure.
As the further improvement of the embodiment of the utility model one, the interchanger is Embedded WINCE equipment.
As the further improvement of the embodiment of the utility model one, the Embedded WINCE equipment includes：Circuit board
And expansion board；
The circuit board is used to handle the exchange data for receiving or sending, and monitoring exchanges transmission state and the monitoring of data
The running status of whole ring network structure.
As the further improvement of the embodiment of the utility model one, the circuit board includes：Embedded ARM processor,
SDRAM、NAND FLASH、NOR FLASH；
The SDRAM and arm processor Frequency Synchronization, share a clock cycle, including two storage arrays interlocked；
The NAND FLASH are used for quick storage mass file；
The NOR FLASH are used to directly run application program in flash memory.
As the further improvement of the embodiment of the utility model one, the expansion board includes：Several Peripheral Interfaces；
One of Peripheral Interface in the expansion board is interchanger major network mouthful or the secondary network interface of interchanger, for institute
Distal adapter electric connection is stated, collection and transmission exchange data.
As the further improvement of the embodiment of the utility model one, the Peripheral Interface is specifically included：VGA mouthfuls, exchange
The secondary network interface of owner's network interface/interchanger, the first power supply；
Described VGA mouthfuls is connected with outside display, the configuration operation interface for showing the interchanger；
The secondary network interface of the interchanger major network mouth/interchanger is used to be electrically connected with the distal adapter, to gather and pass
Submit and change data；
First power supply, for providing power supply for the interchanger.
As the further improvement of the embodiment of the utility model one, the Peripheral Interface also includes：USB interface；
The USB interface is connected with outside mouse, the WINCE operating systems for operating interchanger.
As the further improvement of the embodiment of the utility model one, the distal adapter includes：The ARM micro-controls of 32
Device processed, 2 pieces of TCP/IP embedded Ethernet controllers, distal adapter major network mouthful, distal adapter pair network interface, the collection of IO amounts
Port and the second power supply；
The ARM microcontroller and the interchanger and/or other distal adapters are electrically connected with, receive for handling or
The exchange data of transmission；
The integrated ICP/IP protocol stack of TCP/IP embedded Ethernet controllers, 10/100M ethernet data link layers and thing
Layer is managed there is provided peripheral hardware serial line interface, to be integrated with peripheral hardware MCU；
The distal adapter major network mouth/interchanger distal adapter is used for and the interchanger and/or other described remote
End adapter is electrically connected with, to gather and transmit exchange data；
The IO amounts collection port is used to gather outside data to the distal adapter；
Second power supply, for providing power supply for the distal adapter.
As the further improvement of the embodiment of the utility model one, the kernel of the ARM microcontroller of described 32 is
Cortex-M3。
Compared with prior art, the beneficial effects of the utility model are：Using the data-transmission mode of ring network structure, not only
The quantity of deployment interchanger and the amount of wiring of netting twine can be reduced, while can avoid leading due to certain section of breaking suddenly for netting twine
The data loss problem of cause, system cost is greatlyd save on the premise of Logistics networks are stable.
Brief description of the drawings
Fig. 1 is the data transmission device based on ring network structure in the embodiment of the utility model one under normal mode of operation
Structural representation；
Fig. 2 is the structural representation of interchanger in Fig. 1；
Fig. 3 is the structural representation of distal adapter in Fig. 1；
Fig. 4 is the structural representation when data transmission device based on ring network structure of corresponding diagram 1 breaks down.
Embodiment
The utility model is described in detail below with reference to embodiment shown in the drawings.But these embodiment party
Formula is not intended to limit the utility model, structure that one of ordinary skill in the art is made according to these embodiments, method or
Conversion functionally is all contained in protection domain of the present utility model.
As shown in figure 1, in the embodiment of the utility model one, the data transmission device based on ring network structure includes：Exchange
Machine 100 and N number of distal adapter 200, N are the positive integer more than or equal to 2；Interchanger major network mouthful is configured on the interchanger 100
With the secondary network interface of interchanger, any one described distal adapter 200 configures a distal adapter major network mouthful and distal adapter
Secondary network interface；The secondary network interface of distal adapter of the interchanger major network mouthful and first distal adapter is electrically connected with, described to exchange
The distal adapter major network mouthful of machine pair network interface and n-th distal adapter is electrically connected with；1st to n-th distal adapter
Distal adapter major network mouthful is electrically connected with successively with the secondary network interface of distal adapter, to form the data transmission device of ring network structure.
With reference to shown in Fig. 2, in the embodiment of the utility model one, the interchanger 100 is that Embedded WINCE is set
It is standby；Interchanger major network mouthful and interchanger the pair network interface of the WINCE equipment respectively with first and last distal adapter
200 are electrically connected with, to form the data transmission device of ring network structure.Wherein, the Embedded WINCE equipment includes：Circuit
Plate 11 and expansion board 12.
The circuit board 11 is used to handle the exchange data for receiving or sending, and monitoring exchanges the transmission state and prison of data
Survey the running status of whole ring network structure；It includes：Embedded ARM processor 111, SDRAM112, NAND FLASH113, NOR
FLASH114；The SDRAM and arm processor Frequency Synchronization, share a clock cycle, including two storages staggeredly gust
Row；While embedded ARM processor 111 accesses data from a storage array, another storage array is ready for reading
Data are write, by the close switching of two storage arrays, reading efficiency is significantly improved；The NAND FLASH are used for fast
Speed storage mass file；The NOR FLASH are used to directly run application program in flash memory, in this way, need not be again
Code is read in SDRAM.
In the utility model embodiment, the expansion board 12 is used to gathering and transmitting exchange data；Including：It is some
Individual Peripheral Interface, the one of Peripheral Interface of the expansion board 12 is interchanger major network mouthful or the secondary network interface of interchanger, for
The distal adapter 200 is electrically connected with, and gathers and transmit exchange data.
The Peripheral Interface includes：The secondary network interface 122 of VGA mouths 121, interchanger major network mouth/interchanger, the first power supply
123rd, usb 1 24；The VGA mouths 121 and outside display（It is not specifically illustrated）It is connected, for showing the interchanger
Configuration operation interface；；The secondary network interface 122 of the interchanger major network mouth/interchanger is used to be electrically connected with the distal adapter,
To gather and transmit exchange data；The usb 1 23 and outside mouse（It is not specifically illustrated）It is connected, is exchanged for operating
The WINCE operating systems of machine；First power supply 124, for providing power supply for whole interchanger 100.
With reference to shown in Fig. 3, the distal adapter 200 is double network interface data collecting devices；It includes：The ARM of 32 is micro-
21,2 pieces of TCP/IP embedded Ethernet controllers 22 of controller, distal adapter major network mouthful 23, distal adapter pair network interface
24, IO amounts gather the power supply 26 of port 25 and second.
The ARM microcontroller 21 is electrically connected with the interchanger 100 and/or other distal adapters 200, for locating
The exchange data that reason is received or sent；In the utility model preferred embodiment, the kernel of the ARM microcontroller 21 is
Cortex-M3.The TCP/IP embedded Ethernet controllers 22 are hardware spending, and it is integrated with ICP/IP protocol stack, 10/
100M ethernet data link layers（MAC）And physical layer（PHY）, being capable of very convenient and peripheral hardware there is provided peripheral hardware serial line interface
MCU is integrated；Moreover, having used new efficient SPI protocol to support 80MHz speed, so as to preferably realize that express network leads to
News can reduce system energy consumption there is provided WOL pattern and power-down mode.The IO amounts collection port 25 is used to gather outer
The data in portion are to the distal adapter 200；Specifically, the IO amounts collection port 25 is used to gather outside data to ARM
In microcontroller 21, while ARM microcontroller 21 gathers IO amounts the data and distal adapter for the outside that port 25 is gathered
The exchange data of major network mouthful 23 or secondary one of them the adjacent distal adapter collected of network interface 24 of distal adapter are sent to far
End adapter major network mouthful 23 or the secondary network interface 24 of distal adapter are wherein another, will will be described in detail below.The second power supply electricity
Source 26 is used to provide power supply for whole distal adapter 200.
The concrete application example of data transmission device of the present utility model based on ring network structure；This is based on ring network structure
Data transmission device includes the 1 WINCE equipment with double network interfaces, and N number of distal adapter；In N number of distal adapter, the
The secondary network interface of the distal adapter of one distal adapter and the interchanger major network mouthful of WINCE equipment are electrically connected with；N-th distal end is suitable
The distal adapter major network mouthful of orchestration and the secondary network interface of interchanger of WINCE equipment are electrically connected with.
With reference to shown in Fig. 1, under normal mode of operation, each adjacent described distal adapter is gathered by IO amounts its described
Data outside port processing, and pass through the distal adapter pair of the distal adapter major network mouthful collection adjacent distal end adapter
The data that network interface is sent；Further, by the secondary network interface of the distal adapter of each distal adapter by above-mentioned data according to
It is secondary to be transferred to its adjacent distal adapter, finally, by the secondary network interface of the distal adapter of the 1st distal adapter by number
Handled according to sending to the WINCE equipment；And then form a loop transfer counterclockwise, as shown by the arrows in figure 2 direction
Transmission.
When a certain section of netting twine goes wrong in loop, with reference to shown in Fig. 4, first distal adapter and second distal end
Netting twine between adapter disconnects, and causes that data biography can not be carried out between first distal adapter and second distal adapter
It is defeated；Now, according to the transmitting device of traditional bus-type topology network architecture, then whole network outage；And this practicality is new
Network interruption can't be caused in type, its specific workflow is as follows：
First distal adapter is still transmitted according to original host-host protocol；Second distal adapter monitors it
Data sender to netting twine break down；Now, second distal adapter will pass through according to the protocol of internal processes
The IO amounts collection data that collect of port are logical while be sent to the secondary port of its corresponding distal adapter master port and distal adapter
The secondary port of distal adapter for crossing second distal adapter sends its adjacent distal adapter of instruction notification by distal end adaptation
The function of device major network mouthful and the secondary network interface of distal adapter is exchanged, and by the distal adapter major network mouthful and the secondary network interface of distal adapter
Function exchange instruction reach n-th distal adapter successively from second distal adapter, so as to realize from the 3rd distal end
Adapter starts, the exchange that each distal adapter receives the external data collected and the secondary port of distal adapter
Data are sent to the secondary port of distal adapter of next distal adapter, finally by n-th from its distal adapter master port
The data of transmission are sent to WINCE equipment by the distal adapter master port of distal adapter；So as to avoid due to netting twine
Break suddenly, the problem of causing the data of each distal adapter and can not transmit.
Further, the data receiver situation of WINCE equipment is monitored in real time, to judge whether whole ring network structure is sent out in being
Raw link down, to notify attendant to repair in time；When the link-recovery of interruption is normal, each distal adapter is according to certainly
The host-host protocol of body judge the secondary network interface of its corresponding distal adapter major network mouthful, distal adapter with adjacent distal adapter
Distal adapter major network mouthful, the secondary network interface of distal adapter re-establish connection, now, current distal adapter recovers normally
Transmission mechanism under pattern, meanwhile, notify its adjacent distal adapter to recover normal transmission mechanism, and most instruction at last
Send to WINCE equipment, realize normal mode of operation, do not do continue to repeat herein.
In summary, the data transmission device of the present utility model based on ring network structure, is passed using the data of ring network structure
Defeated pattern, can not only reduce the quantity of deployment interchanger and the amount of wiring of netting twine, while can avoid due to certain section of netting twine
Data loss problem caused by breaking suddenly, system cost is greatlyd save on the premise of Logistics networks are stable.
It should be understood that, although the present specification is described in terms of embodiments, but not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art will should say
Bright book is as an entirety, and the technical scheme in each embodiment may also be suitably combined to form those skilled in the art can
With the other embodiment of understanding.
The a series of tool described in detail only for feasibility embodiment of the present utility model of those listed above
Body illustrates that they are simultaneously not used to limit protection domain of the present utility model, all to be made without departing from the utility model skill spirit
Equivalent implementations or change should be included within protection domain of the present utility model.
Claims (9)
1. a kind of data transmission device based on ring network structure, it is characterised in that described device includes：Interchanger and N number of distal end
Adapter, N is the positive integer more than or equal to 2；
Interchanger major network mouthful and the secondary network interface of interchanger are configured on the interchanger, any one described distal adapter configures one
Distal adapter major network mouthful and the secondary network interface of distal adapter；
The secondary network interface of distal adapter of the interchanger major network mouthful and first distal adapter is electrically connected with, the interchanger pair
The distal adapter major network mouthful of network interface and n-th distal adapter is electrically connected with；1st to the distal end of n-th distal adapter
Adapter major network mouthful is electrically connected with successively with the secondary network interface of distal adapter, to form the data transmission device of ring network structure.
2. the data transmission device according to claim 1 based on ring network structure, it is characterised in that the interchanger is embedding
Enter the WINCE equipment of formula.
3. the data transmission device according to claim 2 based on ring network structure, it is characterised in that described Embedded
WINCE equipment includes：Circuit board and expansion board；
The circuit board is used to handle the exchange data for receiving or sending, and monitors the transmission state for exchanging data and monitoring is whole
The running status of ring network structure.
4. the data transmission device according to claim 3 based on ring network structure, it is characterised in that
The circuit board includes：Embedded ARM processor, SDRAM, NAND FLASH, NOR FLASH；
The SDRAM and arm processor Frequency Synchronization, share a clock cycle, including two storage arrays interlocked；
The NAND FLASH are used for quick storage mass file；
The NOR FLASH are used to directly run application program in flash memory.
5. the data transmission device according to claim 3 based on ring network structure, it is characterised in that
The expansion board includes：Several Peripheral Interfaces；
One of Peripheral Interface in the expansion board is interchanger major network mouthful or the secondary network interface of interchanger, for it is described remote
End adapter is electrically connected with, and collection and transmission exchange data.
6. the data transmission device according to claim 5 based on ring network structure, it is characterised in that the Peripheral Interface tool
Body includes：VGA mouthfuls, the secondary network interface of interchanger major network mouth/interchanger, the first power supply；
Described VGA mouthfuls is connected with outside display, the configuration operation interface for showing the interchanger；
The secondary network interface of the interchanger major network mouth/interchanger is used to be electrically connected with the distal adapter, to gather and transmit friendship
Change data；
First power supply, for providing power supply for the interchanger.
7. the data transmission device according to claim 5 based on ring network structure, it is characterised in that the Peripheral Interface is also
Including：USB interface；
The USB interface is connected with outside mouse, the WINCE operating systems for operating interchanger.
8. the data transmission device according to claim 1 based on ring network structure, it is characterised in that
The distal adapter includes：The ARM microcontroller of 32,2 pieces of TCP/IP embedded Ethernet controllers, distal end is suitable
Orchestration major network mouthful, distal adapter pair network interface, IO amounts collection port and the second power supply；
The ARM microcontroller is electrically connected with the interchanger and/or other distal adapters, is received or is sent for handling
Exchange data；
The integrated ICP/IP protocol stack of TCP/IP embedded Ethernet controllers, 10/100M ethernet data link layers and physics
Layer is there is provided peripheral hardware serial line interface, to be integrated with peripheral hardware MCU；
The distal adapter major network mouth/interchanger distal adapter is used for suitable with the interchanger and/or other distal ends
Orchestration is electrically connected with, to gather and transmit exchange data；
The IO amounts collection port is used to gather outside data to the distal adapter；
Second power supply, for providing power supply for the distal adapter.
9. the data transmission device according to claim 8 based on ring network structure, it is characterised in that
The kernel of the ARM microcontroller of described 32 is Cortex-M3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621389386.0U CN206364831U (en) | 2016-12-16 | 2016-12-16 | Data transmission device based on ring network structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621389386.0U CN206364831U (en) | 2016-12-16 | 2016-12-16 | Data transmission device based on ring network structure |
Publications (1)
| Publication Number | Publication Date |
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| CN206364831U true CN206364831U (en) | 2017-07-28 |
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ID=59373564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201621389386.0U Active CN206364831U (en) | 2016-12-16 | 2016-12-16 | Data transmission device based on ring network structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113329546A (en) * | 2021-06-03 | 2021-08-31 | 陕西科技大学 | Landscape lighting control system with loop-back data transmission and working method thereof |
-
2016
- 2016-12-16 CN CN201621389386.0U patent/CN206364831U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113329546A (en) * | 2021-06-03 | 2021-08-31 | 陕西科技大学 | Landscape lighting control system with loop-back data transmission and working method thereof |
| CN113329546B (en) * | 2021-06-03 | 2024-04-23 | 陕西科技大学 | Landscape lighting control system with loop type data transmission function and working method thereof |
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