CN104104567A - Networking method, control device and networking system for double communication link - Google Patents
Networking method, control device and networking system for double communication link Download PDFInfo
- Publication number
- CN104104567A CN104104567A CN201410390887.XA CN201410390887A CN104104567A CN 104104567 A CN104104567 A CN 104104567A CN 201410390887 A CN201410390887 A CN 201410390887A CN 104104567 A CN104104567 A CN 104104567A
- Authority
- CN
- China
- Prior art keywords
- bus
- link
- communication link
- ethernet
- dual communication
- 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.)
- Pending
Links
Landscapes
- Small-Scale Networks (AREA)
Abstract
The embodiment of the invention discloses a networking method, a control device and a networking system for a double communication link, and solves the technical problem of low stability in communication due to that existing intelligent home communication is performed in a single way of networking by Ethernet or in a single way of networking by a bus, such as the RS485 bus. The networking method provided by the embodiment of the invention comprises: establishing the double communication link through accessing a communication node, wherein the double communication link includes an Ethernet link and a RS485 bus link; preferentially selecting the Ethernet link to transmit signals; detecting whether the Ethernet link fails, and if yes, automatically switching to the RS485 bus link.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of network-building method, control device and group network system of dual communication link.
Background technology
Along with the development of modern electronic technology, automatic technology and the communication technology, intelligent domestic system is control and management home appliance automatically, the safety of home environment is carried out to monitoring alarm, and can provide safety and comfort, efficiently learning life easily and operational environment for resident family.Home intelligence system couples together the various communication equipments relevant to information, household electrical appliance and family public security device in family by wired or wireless mode, and concentrate or monitoring, the management in strange land, keep home dwelling environmental amenity, coordination.
The core of intelligent domestic system is controlled exactly, therefore generally adopts the central controlled version of host-type, and as an embedded computer is installed in system, it is serving as the role of " intelligent control center ".Other node in main control system and system solely adopts the mode of Ethernet networking conventionally, or solely adopts bus to network as RS485 bus.
But, the above-mentioned one of mentioning, the mode of single employing Ethernet networking, in system, the last wiring of all nodes all can focus on switch there, and when switch goes wrong, whole system will be paralysed.And the distance of the transmitting of Ethernet netting twine is generally 100 meters of left and right, exceed this distance and will add in centre HUB (transponder of multiport) or switch, if middle HUB or switch break down, system can be paralysed equally, and this has further reduced the stability of system, they are two years old, solely adopt bus to network as RS485 bus, although the distance of the transmitting of RS485 bus generally can reach 1200 meters, but because RS485 bus does not have bus arbitration mechanism, when multi-to-multi networking, can cause the signal bumping in bus of multiple equipment, finally cannot proper communication, make stability decreases, as Ethernet, there is not the function of address route due to standard RS485 bus simultaneously, for the state Real-time Feedback of realizing node in intelligent domestic system, bring very large restriction, therefore, also the Smart Home communication that or solely adopts bus to network as RS485 bus for the mode of single employing Ethernet networking, all cannot ensure the stability in communication.
Summary of the invention
The embodiment of the present invention provides a kind of network-building method, control device and group network system of dual communication link, solve the existing Smart Home communication that also or solely adopts bus to network as RS485 bus for the mode of single employing Ethernet networking, the technical problem of the low stability in the communication causing.
The network-building method of a kind of dual communication link that the embodiment of the present invention provides, comprising:
Set up dual communication link by access communications node, described dual communication link includes ethernet link and RS485 bus links;
Preferential selection by described ethernet link signal transmission;
Detect whether fault of described ethernet link, if so, automatically switch to described RS485 bus links.
Preferably, setting up dual communication link by access communications node specifically comprises:
Set up dual communication link by access network based on ethernet address and RS485 bus address.
Preferably, detect whether fault of described ethernet link, if so, automatically switch to described RS485 bus links and specifically comprise:
Detect whether fault of described ethernet link by heartbeat detection mechanism, if so, automatically switch to described RS485 bus links.
Preferably, detect whether fault of described ethernet link by heartbeat detection mechanism, if so, automatically switch to described RS485 bus links and specifically comprise:
Send and detect heartbeat packet to the described communication node of described ethernet link every a preset duration;
If in preset time period, while not receiving described communication node response, described ethernet link fault, automatically switches to described RS485 bus links.
Preferably, setting up dual communication link by access network based on ethernet address and RS485 bus address specifically comprises:
Access described ethernet address by the network switch and set up ethernet link;
Access described RS485 bus address by RS485 bus switch machine and set up RS485 bus links.
The control device of a kind of dual communication link that the embodiment of the present invention provides, by as in the embodiment of the present invention, mention any one as described in the method for dual communication link use, comprising:
Access unit, for setting up dual communication link by access communications node, described dual communication link includes ethernet link and RS485 bus links;
Data transmission unit, selects by described ethernet link signal transmission for preferential.
Detecting unit, for detection of whether fault of described ethernet link, if so, automatically switches to described RS485 bus links.
Preferably, described detecting unit specifically comprises:
Send subelement, for sending and detect heartbeat packet to the described communication node of described ethernet link every a preset duration;
Switch subelement, if in preset time period, while not receiving described communication node response, described ethernet link fault, automatically switches to described RS485 bus links.
Preferably, described access unit is specifically for setting up by access network based on ethernet address and RS485 bus address the described dual communication link that includes described ethernet link and described RS485 bus links.
The group network system of a kind of dual communication link that the embodiment of the present invention provides, comprising:
The network switch, RS485 bus switch machine and as in the embodiment of the present invention, mention any one as described in the control device of dual communication link;
The control device of described dual communication link is connected with the described network switch by cable interface;
The control device of described dual communication link is by RS485 bus interface and described RS485 bus switch machine.
Preferably, the described network switch and described RS485 bus switch machine are all set up and are had communication connection relation with external equipment.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
Network-building method, control device and the group network system of a kind of dual communication link that the embodiment of the present invention provides, wherein, network-building method comprises: set up dual communication link by access communications node, dual communication link includes ethernet link and RS485 bus links; Preferential selection by ethernet link signal transmission; Detect whether fault of ethernet link, if so, automatically switch to RS485 bus links.In the present embodiment, set up the dual communication link that includes ethernet link and RS485 bus links by first access communications node, preferential selection by ethernet link signal transmission to control external equipment again, then detect whether fault of ethernet link, if, automatically switch to RS485 bus links, solve the existing Smart Home communication that also or solely adopts bus to network as RS485 bus for the mode of single employing Ethernet networking, the technical problem of the low stability in the communication causing.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic flow sheet of an embodiment of the network-building method of a kind of dual communication link that Fig. 1 provides for the embodiment of the present invention;
The schematic flow sheet of another embodiment of the network-building method of a kind of dual communication link that Fig. 2 provides for the embodiment of the present invention;
The schematic flow sheet of an embodiment of the control device of a kind of dual communication link that Fig. 3 provides for the embodiment of the present invention;
The schematic flow sheet of another embodiment of the control device of a kind of dual communication link that Fig. 4 provides for the embodiment of the present invention;
The schematic flow sheet of an embodiment of the group network system of a kind of dual communication link that Fig. 5 provides for the embodiment of the present invention.
Embodiment
The embodiment of the present invention provides a kind of network-building method, control device and group network system of dual communication link, solve the existing Smart Home communication that also or solely adopts bus to network as RS485 bus for the mode of single employing Ethernet networking, the technical problem of the low stability in the communication causing.
For making goal of the invention of the present invention, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, the embodiments described below are only the present invention's part embodiment, but not whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, an embodiment of the network-building method of a kind of dual communication link that the embodiment of the present invention provides comprises:
101, set up dual communication link by access communications node;
In the present embodiment, such as, when need, to the electrical equipment in household, when room lamp, air-conditioning etc. are controlled, first to need to set up dual communication link by access communications node in intelligent domestic system, be understandable that, aforesaid dual communication link includes ethernet link and RS485 bus links.
It should be noted that, setting up dual communication link detailed process by access communications node will be described in detail in subsequent embodiment, repeat no more herein.
102, preferential selection by ethernet link signal transmission;
After setting up dual communication link by access communications node, preferential selection by ethernet link signal transmission, make the electrical equipment in intelligent domestic system, the signal that for example room lamp, air-conditioning isopreference transmit by ethernet link is carried out the command operating corresponding with signal.
103, detect whether fault of ethernet link, if so, perform step 104;
When preferential selection is by after ethernet link signal transmission, need to detect whether fault of ethernet link, if, perform step 104, be understandable that, the fault of aforesaid ethernet link can be that the long ethernet network transmission causing of distance is unstable etc., does not specifically limit herein, if aforesaid detection ethernet link fault-free, performs step 102.
It should be noted that, the aforesaid detection ethernet link whether detailed process of fault will be described in detail in subsequent embodiment, repeat no more herein.
104, automatically switch to RS485 bus links.
In the present embodiment, after detecting ethernet link fault, automatically switch to RS485 bus links, make the electrical equipment in intelligent domestic system, the signal that the continuation such as such as room lamp, air-conditioning are transmitted by RS485 bus links is carried out the command operating corresponding with signal.
In the present embodiment, set up the dual communication link that includes ethernet link and RS485 bus links by first access communications node, preferential selection by ethernet link signal transmission to control external equipment again, then detect whether fault of ethernet link, if, automatically switch to RS485 bus links, solve the existing Smart Home communication that also or solely adopts bus to network as RS485 bus for the mode of single employing Ethernet networking, the technical problem of the low stability in the communication causing.
That the network-building method of dual communication link is described in detail above, below will to detect ethernet link whether fault is described in detail, refer to Fig. 2, another embodiment of the network-building method of a kind of dual communication link that the embodiment of the present invention provides comprises:
201, set up ethernet link by network switch access network based on ethernet address;
In the present embodiment, such as, when need, to the electrical equipment in household, when room lamp, air-conditioning etc. are controlled, first to need to set up ethernet link by network switch access network based on ethernet address in intelligent domestic system, be understandable that, aforesaid ethernet address can be the ip address of Ethernet group.
It should be noted that, the output interface of the aforesaid network switch can be the electric equipment above with at least 2 of outside, for example electric light, and the foundation such as refrigerator have communication connection relation.
202, set up RS485 bus links by RS485 bus switch machine access RS485 bus address;
In the present embodiment, when needing in intelligent domestic system the electrical equipment in household, such as room lamp, air-conditioning etc. are controlled, and set up ethernet link simultaneously by network switch access network based on ethernet address, need to set up RS485 bus links by RS485 bus switch machine access RS485 bus address.
It should be noted that, the output interface of aforesaid RS485 bus switch machine can be the electric equipment above with at least 2 of outside, for example electric light, and the foundation such as refrigerator have communication connection relation.
203, preferential selection by ethernet link signal transmission;
After setting up ethernet link by network switch access network based on ethernet address and setting up RS485 bus links by RS485 bus switch machine access RS485 bus address, preferential selection by ethernet link signal transmission, make the electrical equipment in intelligent domestic system, the signal that for example room lamp, air-conditioning isopreference transmit by ethernet link is carried out the command operating corresponding with signal.
204, send and detect heartbeat packet to the communication node of ethernet link every a preset duration;
When preferential selection is by after ethernet link signal transmission, need to send and detect heartbeat packet to the communication node of ethernet link every a preset duration, be understandable that, aforesaid preset duration can be 10 seconds, does not specifically limit herein.
It should be noted that, aforesaid heartbeat packet, can be for example to send out once every the set time as heartbeat, tell server with this, communication link in transmission heartbeat packet can communicate, and in fact this is to connect in order to keep long, the content of aforesaid heartbeat packet, can be the very little bag that there is no what special provision, or only comprise an empty bag in packet header.
If in 205 preset time periods, while not receiving communication node response, ethernet link fault, execution step 206;
After sending to the communication node of ethernet link every a preset duration and detecting heartbeat packet, if in preset time period, while not receiving communication node response, ethernet link fault, execution step 206, be understandable that, the fault of aforesaid ethernet link can be that the long ethernet network transmission causing of distance is unstable etc., does not specifically limit herein.
It should be noted that, for example heartbeat packet sends empty echo bag at logical layer, next timer, under preset duration interval, send the connection device of a heartbeat packet to the other end by ethernet link, then the respond packet of a response heartbeat packet of equipment feedback is returned, if server can not receive the respond packet that client sends within a certain period of time, for example send or recv are once, its result is zero, and fault has occurred ethernet link, need to perform step 206.
Should be noted that, if in aforesaid preset time period, while receiving communication node response, not fault of ethernet link, execution step 205.
206, automatically switch to RS485 bus links.
In the present embodiment, if when in preset time period, while not receiving communication node response, after ethernet link fault, automatically switch to RS485 bus links, make the electrical equipment in intelligent domestic system, the signal that the continuation such as such as room lamp, air-conditioning are transmitted by RS485 bus links is carried out the command operating corresponding with signal.
In the present embodiment, set up the dual communication link that includes ethernet link and RS485 bus links by first access communications node, preferential selection by ethernet link signal transmission to control external equipment again, then detect whether fault of ethernet link, if, automatically switch to RS485 bus links, solve the existing Smart Home communication that also or solely adopts bus to network as RS485 bus for the mode of single employing Ethernet networking, the technical problem of the low stability in the communication causing, be connected with outside some equipment with RS485 bus switch machine by the network switch, when making not only to ensure the stability of communication link, avoid because the technical problem of the signal bumping of the more generation of connection device of node.
Refer to Fig. 3, an embodiment of the control device of a kind of dual communication link providing in the embodiment of the present invention comprises:
Access unit 301, for setting up dual communication link by access communications node, dual communication link includes ethernet link and RS485 bus links;
Data transmission unit 302, selects by ethernet link signal transmission for preferential.
Detecting unit 303, for detection of whether fault of ethernet link, if so, automatically switches to RS485 bus links.
In the present embodiment, set up by the first access communications node of access unit 301 the dual communication link that includes ethernet link and RS485 bus links, data transmission unit 302 is preferential selection by ethernet link signal transmission to control external equipment again, then detecting unit 303 detects whether fault of ethernet link, if, automatically switch to RS485 bus links, solve the existing Smart Home communication that also or solely adopts bus to network as RS485 bus for the mode of single employing Ethernet networking, the technical problem of the low stability in the communication causing.
That the control device unit of dual communication link is described in detail above, below the subelement to detecting unit is described in detail, refer to Fig. 4, another embodiment of the control device of a kind of dual communication link providing in the embodiment of the present invention comprises:
Access unit 401, for setting up dual communication link by access communications node, dual communication link includes ethernet link and RS485 bus links, be understandable that, access unit 401 is specifically for setting up by access network based on ethernet address and RS485 bus address the dual communication link that includes ethernet link and RS485 bus links;
Data transmission unit 402, selects by ethernet link signal transmission for preferential.
Detecting unit 403, for detection of whether fault of ethernet link, if so, automatically switches to RS485 bus links;
Wherein, detecting unit 403 may further include:
Send subelement 4031, for sending and detect heartbeat packet to the communication node of ethernet link every a preset duration;
Switch subelement 4032, if in preset time period, while not receiving communication node response, ethernet link fault, automatically switches to RS485 bus links.
In the present embodiment, set up by the first access communications node of access unit 401 the dual communication link that includes ethernet link and RS485 bus links, data transmission unit 402 is preferential selection by ethernet link signal transmission to control external equipment again, then detecting unit 403 detects whether fault of ethernet link, if, automatically switch to RS485 bus links, solve the existing Smart Home communication that also or solely adopts bus to network as RS485 bus for the mode of single employing Ethernet networking, the technical problem of the low stability in the communication causing, and be connected with outside some equipment with RS485 bus switch machine by the network switch, when making not only to ensure the stability of communication link, avoid because the technical problem of the signal bumping of the more generation of connection device of node.
Refer to Fig. 5, an embodiment of the group network system of a kind of dual communication link providing in the embodiment of the present invention comprises:
The network switch 51, the control device 53 of the dual communication link of mentioning in RS485 bus switch machine 52 and as shown in Figure 3 and Figure 4 embodiment;
The control device 53 of dual communication link is connected with the network switch 51 by cable interface;
The control device 53 of dual communication link is by RS485 bus interface and RS485 bus switch machine 52.
Be understandable that, the aforesaid network switch 51 and RS485 bus switch machine 52 are all set up and are had communication connection relation with external equipment, aforesaid external equipment can be for example headlamp switch module, light dimming module, control of intelligent terminal, other external equipments such as curtain control module specifically do not limit herein.
In the present embodiment, by the control device 53 and the network switch 51 of dual communication link, RS485 bus switch machine 52 connects, the network switch 51 and RS485 bus switch machine 52 are set up and are had communication connection relation with external equipment again, solve the existing Smart Home communication that also or solely adopts bus to network as RS485 bus for the mode of single employing Ethernet networking, when the technical problem of the low stability in the communication causing, further the external equipment of some relations that establish a communications link is directly controlled.
Those skilled in the art can be well understood to, for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In the several embodiment that provide in the application, should be understood that, disclosed system, apparatus and method, can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, when actual realization, can have other dividing mode, for example multiple unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in multiple network element.Can select according to the actual needs some or all of unit wherein to realize the object of the present embodiment scheme.
In addition, the each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, and also can adopt the form of SFU software functional unit to realize.
If described integrated unit is realized and during as production marketing independently or use, can be stored in a computer read/write memory medium using the form of SFU software functional unit.Based on such understanding, the all or part of of the part that technical scheme of the present invention contributes to prior art in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions (can be personal computers in order to make a computer equipment, server, or the network equipment etc.) carry out all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), the various media that can be program code stored such as random access memory (RAM, Random Access Memory), magnetic disc or CD.
The above, above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a network-building method for dual communication link, is characterized in that, comprising:
Set up dual communication link by access communications node, described dual communication link includes ethernet link and RS485 bus links;
Preferential selection by described ethernet link signal transmission;
Detect whether fault of described ethernet link, if so, automatically switch to described RS485 bus links.
2. method for building up according to claim 1, is characterized in that, sets up dual communication link specifically comprise by access communications node:
Set up dual communication link by access network based on ethernet address and RS485 bus address.
3. network-building method according to claim 1, is characterized in that, detects whether fault of described ethernet link, if so, automatically switches to described RS485 bus links and specifically comprises:
Detect whether fault of described ethernet link by heartbeat detection mechanism, if so, automatically switch to described RS485 bus links.
4. network-building method according to claim 3, is characterized in that, detects whether fault of described ethernet link by heartbeat detection mechanism, if so, automatically switches to described RS485 bus links and specifically comprises:
Send and detect heartbeat packet to the described communication node of described ethernet link every a preset duration;
If in preset time period, while not receiving described communication node response, described ethernet link fault, automatically switches to described RS485 bus links.
5. network-building method according to claim 2, is characterized in that, sets up dual communication link specifically comprise by access network based on ethernet address and RS485 bus address:
Access described ethernet address by the network switch and set up ethernet link;
Access described RS485 bus address by RS485 bus switch machine and set up RS485 bus links.
6. a control device for dual communication link, uses by the method for the dual communication link as described in any one in claim 1 to 5, it is characterized in that, comprising:
Access unit, for setting up dual communication link by access communications node, described dual communication link includes ethernet link and RS485 bus links;
Data transmission unit, selects by described ethernet link signal transmission for preferential.
Detecting unit, for detection of whether fault of described ethernet link, if so, automatically switches to described RS485 bus links.
7. the control device of dual communication link according to claim 6, is characterized in that, described detecting unit specifically comprises:
Send subelement, for sending and detect heartbeat packet to the described communication node of described ethernet link every a preset duration;
Switch subelement, if in preset time period, while not receiving described communication node response, described ethernet link fault, automatically switches to described RS485 bus links.
8. the control device of dual communication link according to claim 6, it is characterized in that, described access unit is specifically for setting up by access network based on ethernet address and RS485 bus address the described dual communication link that includes described ethernet link and described RS485 bus links.
9. a group network system for dual communication link, is characterized in that, comprising:
The network switch, the control device of RS485 bus switch machine and the dual communication link as described in any one in claim 6 to 8;
The control device of described dual communication link is connected with the described network switch by cable interface;
The control device of described dual communication link is by RS485 bus interface and described RS485 bus switch machine.
10. the group network system of dual communication link according to claim 9, is characterized in that, the described network switch and described RS485 bus switch machine are all set up and had communication connection relation with external equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410390887.XA CN104104567A (en) | 2014-08-08 | 2014-08-08 | Networking method, control device and networking system for double communication link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410390887.XA CN104104567A (en) | 2014-08-08 | 2014-08-08 | Networking method, control device and networking system for double communication link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104104567A true CN104104567A (en) | 2014-10-15 |
Family
ID=51672384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410390887.XA Pending CN104104567A (en) | 2014-08-08 | 2014-08-08 | Networking method, control device and networking system for double communication link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104104567A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788594A (en) * | 2016-12-05 | 2017-05-31 | 深圳市图焌科技有限公司 | A kind of PLC device link protection change method and PLC device |
| CN106856436A (en) * | 2015-12-09 | 2017-06-16 | 中车大连电力牵引研发中心有限公司 | Onboard wireless transmission method, equipment and system |
| CN107682286A (en) * | 2017-09-22 | 2018-02-09 | 山东超越数控电子有限公司 | A kind of server group planar network architecture of high link stability |
| CN113542826A (en) * | 2021-06-28 | 2021-10-22 | 福建数博讯信息科技有限公司 | Method for displaying real-time data of network set top box and real-name system platform |
| CN113726402A (en) * | 2021-07-20 | 2021-11-30 | 西安空间无线电技术研究所 | Satellite-borne RS 485-based dual-bus self-adaptive control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257405A (en) * | 2008-04-03 | 2008-09-03 | 中兴通讯股份有限公司 | Method for implementing double chain circuits among master-salve equipments |
| CN103368810A (en) * | 2013-07-24 | 2013-10-23 | 北京辰安科技股份有限公司 | Internet-of-things communication equipment and control method thereof and internet-of-things monitoring system |
| CN103441875A (en) * | 2013-08-23 | 2013-12-11 | 中国铁道科学研究院 | Method for achieving redundant communication of signal centralized monitoring system |
-
2014
- 2014-08-08 CN CN201410390887.XA patent/CN104104567A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257405A (en) * | 2008-04-03 | 2008-09-03 | 中兴通讯股份有限公司 | Method for implementing double chain circuits among master-salve equipments |
| CN103368810A (en) * | 2013-07-24 | 2013-10-23 | 北京辰安科技股份有限公司 | Internet-of-things communication equipment and control method thereof and internet-of-things monitoring system |
| CN103441875A (en) * | 2013-08-23 | 2013-12-11 | 中国铁道科学研究院 | Method for achieving redundant communication of signal centralized monitoring system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106856436A (en) * | 2015-12-09 | 2017-06-16 | 中车大连电力牵引研发中心有限公司 | Onboard wireless transmission method, equipment and system |
| CN106788594A (en) * | 2016-12-05 | 2017-05-31 | 深圳市图焌科技有限公司 | A kind of PLC device link protection change method and PLC device |
| CN107682286A (en) * | 2017-09-22 | 2018-02-09 | 山东超越数控电子有限公司 | A kind of server group planar network architecture of high link stability |
| CN113542826A (en) * | 2021-06-28 | 2021-10-22 | 福建数博讯信息科技有限公司 | Method for displaying real-time data of network set top box and real-name system platform |
| CN113726402A (en) * | 2021-07-20 | 2021-11-30 | 西安空间无线电技术研究所 | Satellite-borne RS 485-based dual-bus self-adaptive control method |
| CN113726402B (en) * | 2021-07-20 | 2022-08-12 | 西安空间无线电技术研究所 | Satellite-borne RS 485-based dual-bus self-adaptive control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104104567A (en) | Networking method, control device and networking system for double communication link | |
| CN102739453B (en) | Main/standby switching method, equipment and system | |
| CN106874237A (en) | Method of data synchronization and system based on two lines bus | |
| WO2007086711A1 (en) | Network device | |
| CN101263681B (en) | A system for monitoring cable interface connections in a network | |
| CN101098345A (en) | Communication interface and communication method for network household electrical appliance | |
| AU2005211691A1 (en) | Method of communication and home automation installation for its implementation | |
| US8484323B2 (en) | Network system connected with multiple master devices and method for operating the same | |
| CN103490906A (en) | Power supply processing method and device and power supply system | |
| CN108399730A (en) | Infrared signal receiver detection method and device | |
| CN105807722A (en) | Numerical control system including internal register self-reset function with serial communication signal monitoring | |
| CN106603359A (en) | Communication control method of PLC system and apparatus thereof | |
| CN106482080A (en) | A kind of relay client/server system | |
| US8886809B2 (en) | Wireless node auto-reset function | |
| CN104076752A (en) | Monitoring method, device and equipment | |
| CN104639358A (en) | Batched network port switching method and system | |
| US20170126489A1 (en) | Auto-Commissioning of Lighting Resources | |
| CN103442160A (en) | Network switching method and intelligent television | |
| TWI697161B (en) | System comprising multiple functional modules and addressing method for functional modules thereof | |
| US20190268235A1 (en) | Method for managing network nodes and communication control method thereof | |
| CN102984490B (en) | A kind of network video recorder | |
| WO2017146718A1 (en) | Ring protection network division | |
| CN103441874A (en) | Intelligent network double-control household equipment system in digital family | |
| CN204929346U (en) | A network device and wireless light control system for wireless light control | |
| CN103346832B (en) | A kind of detection method of Fiber connection state and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141015 |