CN105099715B - A kind of easy serial communication equipment - Google Patents
A kind of easy serial communication equipment Download PDFInfo
- Publication number
- CN105099715B CN105099715B CN201510623813.0A CN201510623813A CN105099715B CN 105099715 B CN105099715 B CN 105099715B CN 201510623813 A CN201510623813 A CN 201510623813A CN 105099715 B CN105099715 B CN 105099715B
- Authority
- CN
- China
- Prior art keywords
- serial
- substation
- equipment
- computer
- speed bus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Small-Scale Networks (AREA)
Abstract
The invention discloses a kind of easy serial communication equipment.Including computer, serial ports expansion main website, substation, serial equipment, wherein computer is directly connected to by cable with serial ports expansion main website or is connect by exchange network；Substation is multiple, is connect with serial ports expansion main website after being serially connected by a high-speed bus, and high-speed bus network is formed；Serial equipment is multiple, in the port tandem a to substation of one or more serial equipment, low speed serial communication network is formed, by the tandem to high-speed bus of substation；Multiple serial equipments are corresponded expansion by computer respectively, realize the direct communication of computer and multiple serial equipments.This invention simplifies the workloads of project installation wiring, and installation wiring is simple and convenient, save engineering construction time and not error-prone, and traffic rate and accuracy are high, greatly save wiring cost, convenient later maintenance.
Description
Technical field
The present invention relates to a kind of easy serial communication equipment, belong to serial communication field.
Background technology
Generally there are two types of schemes for the computer serial communication dilatation of mainstream currently on the market：The first is the master in computer
Expansion card (such as multi-serial-port card) is installed on plate, several serial ports are extended on mainboard；Second is by external equipment (ratio
Such as serial server) network interface of computer invented into multiple serial ports.Both technologies computer and live serial equipment it
Between networked mode on it is similar, be required for and computer motherboard or external device (serial port service per serial equipment all the way
Device) direct, individual cable connection.There are the MOXA in Taiwan, the Kang Hai in continent, sea in the producer for producing this type serial ports equipment in the capacity expansion
Globefish etc., product function, characteristic are quite similar, and many years do not change too much.
Shortcomings and deficiencies of the existing technology mainly have the following：
(1) field wiring is of high cost.Each serial equipment or each group of serial equipment (bus-type equipment), will be linked into
When computer, an individual communications cable is required for be connect with multi-serial-port card or serial server, in this way in industry spot spy
When not being that there are many serial equipment, field wiring amount will be very more, and not only field wiring is great in constructing amount, and later maintenance,
Dilatation is all very inconvenient.Such as：When scene has 16 Serial Port Lines to need to be linked into computer or serial server, if tentatively estimating
It is 100 meters to count each serial communication cable, thus has the 1600 rice noodles communications cables to need to be laid at the scene, these cables one
As also may require that away trench, casing, shield etc., cable requirement amount is very big, and construction cost is also very high, while being tieed up in the later stage
It is also inconvenient when shield, dilatation.
(2) dilatation of serial ports number is inconvenient.Either multi-serial-port card or serial server expand after equipment in the capacity expansion is selected
The serial ports number of exhibition is also just fixed up, and general dilatation can select 4 mouthfuls, 8 mouthfuls, 16 mouthfuls or even 32 mouthfuls when more.If scene has
5,10, the quantity serial communication lines such as 20 need to access, then need to be further added by equipment in the capacity expansion, this many scenes be not side
Just.Especially for engineering site, increased serial equipment access needs increased set when needing to consider dilatation temporarily
Standby, workload all will be very much.
(3) rate, accuracy of serial communication be not high.On practical implementation, the traffic rate of serial equipment is with string
Length, the shielding of mouth line etc. are closely related.Either multi-serial-port card or serial server, the last communication cable of serial communication
General also to have tens meters to hundreds of meters long, so long cable has direct influence to the rate of serial communication, accuracy,
Communication disruption can often occur when serious.For example, when the serial equipment of a system has 1000, often data of computer
Refresh time can be in several seconds or even tens of seconds kinds.Such result both with correlation the characteristics of serial communication itself, was applied with scene
Work, lectotype selection are related, and more the characteristic with serial ports expansion equipment is closely related.
(4) on-scene communication routing cannot achieve self-healing looped network structure.Currently popular either multi-serial-port card or serial ports
Server, 100 rice noodles cables of communicating end are serial communication cable at the scene, for fear of the characteristic of serial communication, these cables
It is unable to constituting self-healing type ring web frame, is had a greatly reduced quality in fault-tolerant ability so at the scene.
Invention content
The purpose of the present invention is to provide a kind of easy serial communication equipment, mainly solve active computer serial communication
Dilatation field wiring is of high cost, and the dilatation of serial ports number is inconvenient, and rate, the accuracy of serial communication be not high, and on-scene communication route nothing
Method realizes the problem of self-healing looped network structure.
To achieve the goals above, the technical solution adopted by the present invention is as follows：
A kind of easy serial communication equipment, including computer, serial ports expansion main website, substation, serial equipment, wherein meter
Calculation machine is directly connected to by cable with serial ports expansion main website or is connect by exchange network；
Substation is multiple, is connect with serial ports expansion main website after being serially connected by a high-speed bus, and high-speed bus is formed
Network, the effect of substation be in the data tandem to high-speed bus by low speed bus, and substation is low speed bus to high-speed bus
Between bridge；
Serial equipment is multiple, in the port tandem a to substation of one or more serial equipment, forms low speed string
Port communications network, by the tandem to high-speed bus of substation；
Multiple serial equipments are corresponded expansion by computer respectively, and the network interface of an IP address is invented many strings
Mouthful, after equipment installs, computer network interface is occupied, will appear in the equipment management setting of computer many it is virtual
The quantity of serial ports, virtual serial port is exactly the quantity of substation, also, each virtual serial ports fixation is corresponding with a substation.It is real
The direct communication of existing computer and multiple serial equipments.
Specifically, the quantity of the substation is no more than the virtual serial port sum that computer capacity is accessed.High-speed bus is certainly
More loop configuration any node can increase in ring, reduce substation, meanwhile, in annular high-speed bus for some reason
After cable is cut off, looped network can change automatically as two directly-connected networks, and all substations communications can be with self-healing.
Further, the port of every serial equipment is serially connected by cable, is then connected in a substation,
The port is RS232 or RS485, in a substation, when there is multiple serial equipments, and multiple serial equipment composition series connection
Net.
Still further, the substation is powered using POE modes or is powered by power supplied locally interface.
In order to ensure that traffic rate, the accuracy of high-speed bus, each section of length of mesh wire of the high-speed bus are no longer than
200m。
Compared with prior art, the invention has the advantages that：
(1) present invention substantially reduces the onsite application amounts of low speed serial bus cable, are brought greatly just to construct, safeguarding
Profit, while improving the stability of serial communication.
(2) serial equipment that computer to be accessed is invented network by the present invention, therefore dilatation is simple and practicable, it is not easy to be gone out
It is wrong.
(3) high-speed bus of the present invention is self-healing ring architecture, and any node increases, reduces substation, substation quantity in ring
(dilatation serial ports quantity) can increase and decrease with field condition, can easily select the engineering construction scheme closer to engineering site, together
When, after cable is cut off for some reason in annular high-speed bus, looped network can change automatically as two directly-connected networks, institute
There is substation communication can be with self-healing.
(4) present invention greatly reduces in cost and construction volume, has very high practicability, is very suitable for large-scale promotion
It uses.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention-embodiment equipment.
Specific implementation mode
With reference to embodiment and attached drawing, the invention will be further described, and embodiments of the present invention include but not limited to
The following example.
Embodiment
As shown in Figure 1, a kind of easy serial communication equipment, including computer, serial ports expansion main website, substation, serial ports are set
It is standby, wherein computer is directly connected to by cable with serial ports expansion main website or is connect by exchange network, and the present invention is existing
Following improvement is also made on the basis of technology：
Substation is multiple, is connect with serial ports expansion main website after being serially connected by a high-speed bus, and high-speed bus is formed
Network does not need each substation and is individually connected to serial ports expansion main website.The quantity of substation is the virtual string that computer capacity is accessed
The effect of mouth sum, substation is in the data tandem to high-speed bus by low speed bus, and substation is that low speed bus is total to high speed
Bridge between line is require no knowledge about substation existing for user.High-speed bus is self-healing ring architecture, Ke Yi
Any node increases, reduces substation in ring, meanwhile, after cable is cut off for some reason in annular high-speed bus, ring
Net can variation be automatically two directly-connected networks, and all substation communications can be with self-healing.
In order to ensure that traffic rate, the accuracy of high-speed bus, each section of length of mesh wire of high-speed bus are no longer than 200m.
Serial equipment is multiple, in the port tandem a to substation of the serial equipment of multiple low speed, is converged by substation
It is connected on high-speed bus.
Multiple serial equipments will be corresponded expansion respectively in computer, the network interface of an IP address is invented very much
A serial ports, after equipment installs, computer network interface is occupied, and many void are will appear in the equipment management setting of computer
The quantity of quasi- serial ports, virtual serial port is exactly the quantity of substation, also, each virtual serial ports is fixed and a substation pair
It answers.The direct communication of computer and multiple serial equipments is realized in logic.
In the present embodiment, high-speed bus operates in the bandwidth of 100M, (is usually for common serial communication
9600bps, 19200bps), it can easily thousands of a serial equipments of tandem.
In the present embodiment, substation is mainly that POE modes are powered, in high-speed bus apart from relatively close, serial equipment is few, string
In the case that mouth quantity is little, substation all need not individually power.Meanwhile in order to increase load capacity, substation is with local
Power supply interface, for being used when load supplying deficiency.Main website is installed for rack, is adapted for mount in standard cabinet.Substation is to lead
Rail is installed, and can be easily installed in field device, inside power distribution cabinet.
The mode of port tandem to the substation of the serial equipment of multiple low speed is：The port of every serial equipment
It is serially connected, is then connected in a substation by cable, which is RS232 or RS485.Therefore in a substation,
Multiple serial equipment composition series connection nets, after networking in tandem a to substation.All serial equipments form low speed serial communication
Network.
The easy serial communication equipment, network is invented by the serial equipment that computer to be accessed, in each substation,
It does not need each serial equipment and is individually connected to substation, it is only necessary to which single cable passes through all serial equipments in the substation
Port, which is together in series, forms series connection net.
For extending 16 serial equipments：Traditional approach uses 16 mouthfuls of serial servers, the present invention to use a main website
In addition the pattern of 16 substations.
What is used due to the present invention is all more general in the market chip (programmable gate array chip FPGA) technology, this
Kind of chip uses easily, is behaved after circuit firing also highly stable, is that the present invention is efficient, stable operation
Ensure.So the present invention and the price of 16 mouthfuls of serial servers are comparable, without too notable difference.
When onsite application, traditional scheme since 16 Serial Port Lines need the place concentrated from one, (put by serial server
Seated position) it is routed to live serial ports, if averagely with each bus length at 100 meters, at this moment conventional wire cable demand is 1600 meters.
At this point, the serial ports expansion main website of the present invention is also disposed in position identical with serial server by we, substation is distributed at the scene
The nearest position of each serial ports demand.It is the Cost comparisons' table calculated in actual engineering below, such as table 1.
Table 1
In upper table, 500 meters of the present embodiment cable requirement amount measures length for scene is practical, this data is surveyed in actual field
There are some difference when amount, but not difference is too big；Conventional serial interface server uses RS485 communication cable ($3.80 members/rice), this
The equipment use of embodiment surpasses five class cable ($3.30 members/rice), cable price is ordinary market price；Traditional auxiliary material is general
For band, casing, sleeve, crane span structure etc., the present embodiment removes needs crystal head outside these auxiliary materials, after Engineering Settlement, every meter
Auxiliary material expense it is slightly higher；Traditional construction includes laying, drilling, binding etc., and the present embodiment removes outside these constructions, in construction
It needs to suppress crystal head, after Engineering Settlement, every meter of operating expenses is slightly higher.
What is compared in above table is overall construction cost, also has the apparent construction time poor in actual field construction
It is different.If being both that two people complete the above quantities, traditional approach needs 3 days, and can complete within 1 day to construct using the present invention.
Engineering efficiency can be also greatly improved from the construction time.
In System Expansion, the position nearest from high-speed bus can be selected, then directly according to actual conditions at the scene
Increase substation number, then the address of addition substation can easily realize the serial ports dilatation of system in a computer.
According to above-described embodiment, the present invention can be realized well.It is worth noting that before based on said structure design
It puts, to solve same technical problem, even if some made in the present invention are used without substantive change or polishing
Technical solution essence still as the present invention, therefore it should also be as within the scope of the present invention.
Claims (4)
1. a kind of easy serial communication equipment, which is characterized in that set including computer, serial ports expansion main website, substation, serial ports
It is standby, wherein computer is directly connected to by cable with serial ports expansion main website or is connect by exchange network；
Substation is multiple, is connect with serial ports expansion main website after being serially connected by a high-speed bus, and high-speed bus network is formed；
High-speed bus network is self-healing ring architecture；
Each substation connects at least one serial equipment, when a substation is connected with two or more serial equipment, every string
It after the port of jaws equipment is serially connected by network, is connected in substation, the serial equipment in a substation forms low speed string
Port communications network；
Multiple serial equipments are corresponded expansion by computer respectively, realize the direct communication of computer and multiple serial equipments.
2. a kind of easy serial communication equipment according to claim 1, which is characterized in that the quantity of the substation is little
In the virtual serial port sum that computer capacity is accessed.
3. a kind of easy serial communication equipment according to claim 1, which is characterized in that the substation uses the side POE
Formula powers or is powered by power supplied locally interface.
4. a kind of easy serial communication equipment according to claim 1, which is characterized in that the high-speed bus it is each
Section length of mesh wire is no longer than 200m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510623813.0A CN105099715B (en) | 2015-09-25 | 2015-09-25 | A kind of easy serial communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510623813.0A CN105099715B (en) | 2015-09-25 | 2015-09-25 | A kind of easy serial communication equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105099715A CN105099715A (en) | 2015-11-25 |
| CN105099715B true CN105099715B (en) | 2018-08-03 |
Family
ID=54579347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510623813.0A Active CN105099715B (en) | 2015-09-25 | 2015-09-25 | A kind of easy serial communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105099715B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101527735A (en) * | 2009-04-07 | 2009-09-09 | 上海许继电气有限公司 | Multi-serial port data communication card equipment based on CPCI bus and method thereof |
| CN101605110A (en) * | 2008-12-31 | 2009-12-16 | 无锡虹业自动化工程有限公司 | RS232/RS485 that can free expansion port quantity changes ethernet gateway equipment |
| JP4623291B2 (en) * | 2005-07-12 | 2011-02-02 | オムロン株式会社 | Method for teaching network configuration information in PLC system |
| CN102111297A (en) * | 2011-01-11 | 2011-06-29 | 福建星网锐捷网络有限公司 | Method, system, device and equipment for controlling serial device |
| CN202583748U (en) * | 2012-05-24 | 2012-12-05 | 山西联华伟业科技有限公司 | Communication module based on serial bus |
| CN203759694U (en) * | 2014-03-06 | 2014-08-06 | 北京兆维电子(集团)有限责任公司 | Serial port networking communication device |
| CN204928853U (en) * | 2015-09-25 | 2015-12-30 | 四川子林晓通科技有限公司 | Simple and easy serial communication equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010061352B3 (en) * | 2010-12-20 | 2012-03-22 | Schneider Electric Automation Gmbh | Communication system, method for operating such and communication module |
-
2015
- 2015-09-25 CN CN201510623813.0A patent/CN105099715B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4623291B2 (en) * | 2005-07-12 | 2011-02-02 | オムロン株式会社 | Method for teaching network configuration information in PLC system |
| CN101605110A (en) * | 2008-12-31 | 2009-12-16 | 无锡虹业自动化工程有限公司 | RS232/RS485 that can free expansion port quantity changes ethernet gateway equipment |
| CN101527735A (en) * | 2009-04-07 | 2009-09-09 | 上海许继电气有限公司 | Multi-serial port data communication card equipment based on CPCI bus and method thereof |
| CN102111297A (en) * | 2011-01-11 | 2011-06-29 | 福建星网锐捷网络有限公司 | Method, system, device and equipment for controlling serial device |
| CN202583748U (en) * | 2012-05-24 | 2012-12-05 | 山西联华伟业科技有限公司 | Communication module based on serial bus |
| CN203759694U (en) * | 2014-03-06 | 2014-08-06 | 北京兆维电子(集团)有限责任公司 | Serial port networking communication device |
| CN204928853U (en) * | 2015-09-25 | 2015-12-30 | 四川子林晓通科技有限公司 | Simple and easy serial communication equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105099715A (en) | 2015-11-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105553807B (en) | A kind of 10kV low-voltage intelligent distribution network system with looped network communication structure | |
| CN102904645B (en) | Distribution Network Communication networking structure based on EPON demixing technology | |
| CN103608797A (en) | Network transpose box and switch operation based on backplane Ethernet | |
| CN105743108B (en) | A kind of 10kV low-voltage intelligent distribution network systems with three-phase imbalance monitoring function | |
| CN102651664A (en) | Reverse power supply method and device aiming at passive optical network equipment | |
| CN107659437A (en) | A kind of whole machine cabinet computing resource Pooled resources automatic recognition system and method | |
| CN107480094A (en) | A kind of pond server system architecture of fusion architecture | |
| CN105634132B (en) | A kind of 10kV low-voltage intelligent distribution network systems with no-power compensation function | |
| CN106227642A (en) | A kind of Rack Management Controller and whole machine cabinet server | |
| CN202261410U (en) | High performance cluster for render farm | |
| CN106341494A (en) | Multiple compute nodes server managing framework | |
| CN205179101U (en) | Measurement service supporting platform system based on distributed computing and big data warehouse | |
| CN105099715B (en) | A kind of easy serial communication equipment | |
| CN104486256B (en) | The multi plane switching fabric equipment of oriented integration network IA frame serverPC | |
| CN107528253A (en) | The design method of computer network comprehensive wiring | |
| CN103246262B (en) | Comprehensive service system for network data analysis | |
| CN204928853U (en) | Simple and easy serial communication equipment | |
| CN106250291A (en) | The managing device of a kind of whole machine cabinet server and whole machine cabinet server | |
| CN102845042A (en) | System and method for aggregating bandwidth of multiple active physical interfaces on application layer | |
| CN203942540U (en) | A kind of centralized electric power system network management system | |
| CN109412975A (en) | A kind of mighty torrent intelligence magic box system and method | |
| CN109450681A (en) | Cabinet-type server system and server | |
| CN110493050A (en) | A kind of network-building method that extensive charging equipment decentralization can be achieved | |
| CN206877374U (en) | A kind of power marketing intelligent platform | |
| CN106201967B (en) | A kind of distribution of versabus and cascade unit and its application system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |