CN105791031B - A kind of method data acquisition and sent - Google Patents
A kind of method data acquisition and sent Download PDFInfo
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- CN105791031B CN105791031B CN201610288919.4A CN201610288919A CN105791031B CN 105791031 B CN105791031 B CN 105791031B CN 201610288919 A CN201610288919 A CN 201610288919A CN 105791031 B CN105791031 B CN 105791031B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0659—Management of faults, events, alarms or notifications using network fault recovery by isolating or reconfiguring faulty entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The present invention provides a kind of acquisition of data and the method sent, wherein collecting method include on data acquisition side apparatus by path that the first data sending terminal mouth and the second data sending terminal mouth are accessed in a communication network come and meanwhile send request of data;Come on data acquisition side apparatus by path that the first data receiver port and the second data receiver port are accessed in the communication network while being received loud by the data for several external equipments the responded transmission after receiving the request of data being connected on the communication network, the communication network is the half-mesh network topological structure for including mulitpath, the request of data and data response are one-way transmission on the path of the communication network, the present invention can be applied to meter readings, still there is more ammeter terminal to keep working normally in the case where so as to break down in a network, and failure can quickly be positioned.
Description
Technical field
The present invention relates to a kind of powerline networks, more particularly to a kind of network progress data that pass through to acquire and data transmission
Method.
Background technique
Currently, the ammeter terminal meter reading method of electric system has narrow-band power line carrier meter reading, RS485 copper wire communications mode
The modes such as the meter reading of ammeter terminal are realized in meter reading, radio meter register and bandwidth carrier meter reading, but these meter reading methods exist respectively
Defect, the indices requirement to ammeter terminal meter reading cannot be fully met.Narrowband carrier kilowatt meter reading-out system equipment is easy by electricity
Magnetic disturbance shows the problem of carrier meter reading system shakiness in peak of power consumption.Moreover, many companies can not all solve carrier wave at present
The unstable problem of the communication capacity of kilowatt meter reading-out system.Its relaying realized by networking, and it is time-consuming longer to organize network process, causes to match
Electric network source pollution.Meanwhile traffic rate is relatively low, cannot achieve real time communication.RS485 meter reading is due to using gold in outside run
Belong to communication conductor, be easy the interference answered by various spatial impressions, the environment for meeting forceful electric power or lightning stroke easily causes large area electric
The damage of sub- device.Meter-reading function is lost, troubleshooting is difficult.Radio meter register also needs to complete meter reading by networking and relaying,
And to space, the reacting condition of the factors such as environment is sensitive, cannot achieve real-time meter-reading function.Bandwidth carrier meter reading is on power line
Transmission range is too short, and practicability is poor, and large-scale promotion is unrealistic.Silica fibre communication has safe and reliable, confidentiality height etc.
Feature, but currently used for electric power EPON meter reading application communication module is on the high side, power consumption is big, technology complex.
On the other hand, with technological progress, fiber optic data communication using more and more extensive, safe data transmission and real
When online feature, make fiber optic communication have unrivaled cost performance excellent in the application of the industries such as Industry Control, road traffic
Gesture, traditional ammeter terminal meter reading communication media use copper wire cable, are easy to be interfered by electromagnetic field, electromagnetic wave etc., make
Communication quality degradation is also easy to be struck by lightning in thunderstorm weather.
Plastic optical fiber is as a kind of novel wire communication material, completely not by electromagnetic interference, radio interference and noise
Influence, do not generate radiation, and the high reliablity of data communication.The transmission speed of plastic optical fiber alreadys exceed 125Mbps at present,
It can satisfy the demand of high-speed data communication in present and following a very long time.Plastic optical fiber uses the letter of polymer maturation
Single drawing process, so low in cost, soft, tough and tensile, connecting loss is lower, and the interface unit of plastic optical fiber and installation
Cost is also relatively low, and system cost can be effectively reduced.
The research about the kilowatt meter reading-out system of plastic optical fiber and method has at present:
Application No. is CN2013100454724, entitled " a kind of ammeter terminal meter register method, system and plastic optical fiber point
Combiner " patent of invention, disclose a kind of ammeter terminal meter register method.It the described method comprises the following steps: office of acceptance end side
The optical signal meter reading instruction of transmission;The optical signal meter reading instruction is converted into identical multipath light signal meter reading instruction;By institute
It states multipath light signal meter reading instruction and is sent to user side;It is true to receive the optical signal meter reading instruction that the basis that user side is sent receives
Fixed amr message;The amr message is sent to local side side.It includes office that invention, which also discloses for realizing the method,
End side, plastic optical fiber combiner device and user side, and pass through plastic optical fiber system interconnected.The technical solution overcomes stone
The shortcomings that English optical fiber kilowatt meter reading-out system single point signals are transmitted reduces system cost, while having high-performance, real-time and low-power consumption
Feature.
Application No. is CN201120566144.5, entitled " a kind of electric power based on POF plastic optical fiber self-healing dual-ring network is copied
Table module and system " utility model patent, disclose a kind of electricity meter-reading mould based on POF plastic optical fiber self-healing dual-ring network
Block, the technical solution are interconnected using dual-ring network, and have self-healing function, improve the reliability of communication.
Application No. is CN201410018906, the invention of entitled " a kind of kilowatt meter reading-out system and method based on plastic optical fiber "
Patent, discloses a kind of kilowatt meter reading-out system and method based on plastic optical fiber, and the kilowatt meter reading-out system includes concentrator, the communication of local side side
Unit and at least one user side polymer optical fiber communication ring.The technical solution can satisfy certain reliability requirement of system.
Also at least there is deficiency below in above-mentioned existing meter reading scheme: one, single port between optical fiber combiner device and concentrator
The lower risk for hanging whole ammeter communications is interrupted in connection there are single point failure.Two, optical fiber combiner device needs individually take electricity, no
It easily solves, and increases cost and fault point, once failure influences all communication.Three, the subring of optical fiber combiner device and lower extension
Between single-point connect, Single Point of Faliure will lead in subring ammeter communication and all interrupt.Four, meter reading network failure point is more, once therefore
Barrier is difficult to quick and precisely analyze and position, and network recovery time is long, is unsatisfactory for the data acquisition request at several minutes of intervals.Five,
Ammeter maintenance or replacement communication module on ring, then whole ammeter data acquisitions are interrupted, and cannot achieve the big of frequent data acquisition
Data application accurately takes control.
Generally speaking, there are one on there is the trouble hunting after Single Point of Faliure and later maintenance for existing meter reading scheme
Situations such as fixed deficiency will lead to fault location trouble, and maintenance cost is high, and the break period is long occurs.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide the sides a kind of data acquisition and sent
Method, that there are reliabilities for solving the prior art when obtaining meter reading data is not high, fault location is troublesome, maintenance cost is high, in
The problems such as disconnected time is long.
In order to achieve the above objects and other related objects, the present invention the following technical schemes are provided:
A kind of collecting method, comprising the following steps: pass through the first data sending terminal mouth on data acquisition side apparatus
Come with the path that the second data sending terminal mouth is accessed in a communication network while sending request of data;Side is acquired in the data
By path that the first data receiver port and the second data receiver port are accessed in the communication network come same in equipment
When receive by several external equipments responded transmission after receiving the request of data for being connected on the communication network
Data response;Wherein, the communication network is the half-mesh network topological structure for including mulitpath, the request of data sum number
It is one-way transmission on the path of the communication network according to response.
It preferably, include unique sequence code mark in at least described request of data or/and data response.
Preferably, further comprising the steps of after receiving the data response simultaneously on data acquisition side apparatus:
Judge in the data response whether to include multiple data responses with identical unique sequence code mark: if so, then at most retaining
One in the multiple data response with identical unique sequence code mark;Wherein, at least each external equipment is sent
It include the unique sequence code mark in the data response.
Preferably, the communication network is fiber optic network.
In addition, the present invention also provides a kind of data transmission method for uplink, it should be noted that in order to avoid in above scheme
Data port description and understanding cause to obscure, and will carry out difference description, institute to the data port in the equipment of data sending side below
It states data transmission method for uplink and is connect on side apparatus by third data receiver port or the 4th data the following steps are included: being sent in data
Path that receiving end mouth is accessed in a communication network receives request of data;It is sent in the data and passes through third number on side apparatus
The path accessed in the communication network according to sending port and/or the 4th data sending terminal mouth sends the response data and asks
Obtained data are asked to respond;Wherein, the communication network is the half-mesh network topological structure for including mulitpath, the number
It is one-way transmission on the path of the communication network according to asking summed data to respond.
It preferably, include unique sequence code mark in at least described request of data or/and data response.
Preferably, sending the request of data transmitted on side apparatus in the data includes heartbeat message.
Preferably, whether receiving the request of data on data transmission side apparatus includes: listening to and continuously specifying
Heartbeat message is received on institute's access path in the communication network from the third data receiver port in time: if so,
Then default/restore and receives the request of data from the third data receiver port;If it is not, then from the 4th data receiver
The request of data is received on port.
Preferably, the data response is sent on data transmission side apparatus includes: to be sent out by the third data
It path that sending end mouth and the 4th data sending terminal mouth are accessed into its each described communication network of leisure while sending the data and rings
It answers.
Preferably, the communication network is fiber optic network.
As described above, the present invention at least has the advantages that 1, by half-mesh network connection type, list is avoided
Point failure risk improves survival ability of the network under single-point or part multipoint fault;
2, it is directly connected to, is eliminated as side apparatus is sent as acquisition side apparatus and ammeter terminal by concentrator
Independent optical fiber combiner device equipment has also lacked a possible fault point without considering further that the problem of equipment power-extracting and installation;
3, it is protected by network segmentation, when there is single-point or part multipoint fault, network topology still can be main on backstage
It is shown on station software, the speed of positioning failure can be improved failure point identification in some network segment, it can be quickly extensive
Multiple network;
4, due to having sectionalised protection ability, therefore when dynamic increases, removes or safeguard ammeter, other have in protection network segment
Ammeter still can normal communication, not by influence of change, this takes control to the big data related application or ammeter of exploitation intelligent electric meter
Business it is particularly critical, several minutes of these business needs just acquire an ammeter data.
Detailed description of the invention
Fig. 1 is an a kind of implementation flow chart of collecting method provided by the invention.
Fig. 2 is a kind of schematic diagram of communication network in the present invention.
Fig. 3 is a kind of another implementation flow chart of collecting method provided by the invention.
Fig. 4 is an a kind of implementation flow chart of data transmission method for uplink provided by the invention.
Fig. 5 is the data port schematic diagram on data provided by the invention transmission side apparatus.
Fig. 6 is the present invention in one of practical meter reading application embodiment schematic diagram.
Drawing reference numeral explanation
1 communication network
10 data acquire side apparatus
101/201 first data sending terminal mouth
102/202 second data sending terminal mouth
103/203 first data receiver port
104/204 second data receiver port
20 data send side apparatus
S101-S103 step
S201-S202 step
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that in the absence of conflict, following embodiment and implementation
Feature in example can be combined with each other.
It should be noted that illustrating the basic structure that only the invention is illustrated in a schematic way provided in following embodiment
Think, only shown in schema then with related component in the present invention rather than component count, shape and size when according to actual implementation
Draw, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout kenel
It is likely more complexity.
Embodiment 1
Incorporated by reference to Fig. 1, a kind of collecting method is present embodiments provided, realization process may comprise steps of:
Step S101, by the first data sending terminal mouth and the second data sending terminal mouth logical on data acquisition side apparatus
The path accessed in communication network is come while sending request of data;
Step S102 passes through the first data receiver port and the second data receiver port on data acquisition side apparatus
The path accessed in the communication network is come while receiving to be existed by several external equipments being connected on the communication network
The data response sent is responded after receiving the request of data;
Wherein, the communication network is the half-mesh network topological structure for including mulitpath, the request of data sum number
It is one-way transmission on the path in the communication network according to response.
Data on the external equipment of connection in a communication network, this communication network are acquired by above-mentioned collecting method
One-way transmission of the network topology structure and data of network in the network topology structure on path can guarantee even communicating
In the case that network breaks down, it is still able to achieve the acquisition to data on most external equipments.
Specifically, the principle of above-mentioned communication network is described in detail again below, Fig. 2 is referred to, as shown, communication
Network 1 is formed by a data acquisition side apparatus and multiple external equipments (1#-19#) establishment, and network topology structure is half net
Shape, i.e., the request of data issued from data acquisition side apparatus can be along the different paths in the half-netted communication network 1
It is sent, and data are one-way transmission on path, is finally received from data acquisition side apparatus again.
It is illustrated in conjunction with the above method, it, will be by being adopted in data when sending request of data according to above-mentioned steps S101
Two data port (i.e. the first data sending terminal mouth 101 and the second data sending terminal mouth 102) on collection side apparatus 10 are communicating
Institute's access path is sent in network 1, then the external equipment 1# and 6# being connected in communication network 1 receives first
The request of data.It later,, will be by being acquired on side apparatus 10 in data when receiving data response according to above-mentioned steps S102
Two data port (i.e. the first data receiver port 103 and the second data receiver port 104) accessed in communication network 1
Path is received, i.e., finally receives the data for first from the external equipment 19# and 15# being connected in communication network 1
Request.According to other external equipments between external equipment 1# and 19 and between external equipment 6# and 15 in communication network 1
The difference of middle institute's access path can form different data transfer paths, say, be connected on communication network 1 in more detail
In external equipment, external equipment input be connected on two different paths simultaneously, such as external equipment 6#, 11#,
17#, 18#, the input of some external equipments then only connects on one path, such as external equipment 1#, 2# ... 5#, 9# ...
14#, 15# ... etc., and the output of some external equipments equally can connect on two different paths, such as external equipment
4#, 9#, 13#, 15#, and the output of some external equipments is then equally only connected on a paths, such as external equipment 1#,
2# ... 5# ... 10# ... 17#, 18#, 19# etc..
Even if can be seen that some equipment or path in such network from the description of above-mentioned communication network 1 to break down,
External equipment on other paths still can work normally, to ensure that the reliability of data acquisition.
In specific implementation, the quick positioning of failure can also be realized by the topological structure of above-mentioned communication network.Tool
Body, can unique sequence code mark at least be added in the request of data or/and data response.It adopts in this way being connected to data
Collecting in the upper-level system of side apparatus can judge whether network is normal according to the unique sequence code mark, because, if outside some
Perhaps the link between certain two external equipment breaks down portion's equipment that so it will be unable to receive request of data or data are rung
Answer, then can also judge according to unique sequence code mark in upper-level system those external equipments data response not by
It receives, to realize the quick positioning of failure.
For further, the data cases sent on data acquisition side apparatus may include heartbeat message, Ke Yitong
It crosses and comes the failure that periodicity sending heartbeat message specifically detects communication network, tool to communication network on data acquisition side apparatus
The embodiment 2 that the scheme of body can see below.
It in specific implementation, is to be received by double (i.e. while by the first data receiver port on data acquisition side apparatus
Received with the second data port) mode come to data respond carry out it is received.Data duplication may so occur
The case where reception, in order to avoid the repetition of data and data are excessive occupies excessive channel resource, and the present invention is in above-mentioned data
In acquisition method receive data response simultaneously on data acquisition side apparatus after, see Fig. 3, can also by with
Lower step overcomes the above problem.
Whether step S103 judges in the data response to include that multiple data with identical unique sequence code mark are rung
It answers: if so, then at most retaining one in the multiple data response with identical unique sequence code mark;Wherein, at least respectively
It include the unique sequence code mark in the data response that the external equipment is sent.
It is to be appreciated that in above-mentioned steps S103, if without in the case where, can be according to concrete application situation, to do
Corresponding processing, such as directly the data response received is uploaded, this is not focus of the invention.
In specific implementation, in order to further ensure the data transmission bauds of communication network and the reliability of transmission, lead to
Communication network can use fiber optic network, if it is considered that cost problem, it can preferred plastic optical fiber network.
Embodiment 2
The present embodiment will be illustrated technical solution of the present invention from the angle of the transmission of data, refer to Fig. 4, such as
Shown in figure, data transmission method for uplink the following steps are included:
Step S201 sends in data and passes through the first data receiver port 201 or the second data receiver port on side apparatus
202 paths accessed in a communication network receive request of data;
Step S202 sends in the data and is sent out on side apparatus by the first data sending terminal mouth 203 and/or the second data
The path that sending end mouth is accessed in the communication network, which is sent, responds the obtained data response of the request of data;
Wherein, the communication network is the half-mesh network topological structure for including mulitpath, the request of data sum number
It is one-way transmission on the path of the communication network according to response.
Communication network in the present embodiment is as the communication network in embodiment 1, to avoid repeating, here just not right
The structure of communication network explains.
In addition, for ease of understanding, the present embodiment additionally provides the schematic diagram that a kind of data send data port on side apparatus,
As shown in figure 5, sending in data includes the first data receiver port 201 or the second data receiver port 202 on side apparatus 20;With
And first data sending terminal mouth 203 and the second data sending terminal mouth 204, in practical applications, the first data receiver port 201,
It is programmable that second data receiver port 202, the first data sending terminal mouth 203 and the second data sending terminal mouth 204 are separately connected one
Controller 205 realizes the above method.
In addition, since the present embodiment is to send side apparatus 20 from data to be illustrated, to data sending side equipment
It can be with the description in embodiment 1 in relation to data are acquired with data port on side apparatus in the description of data port on 20
Difference is formed, therefore in this present embodiment difference description is not done to the data port in data sending side equipment 20.
In specific implementation, the present embodiment is the angle of the external equipment from above-described embodiment 1 to be illustrated,
In, for the data-interface by external equipment connection in a communication network, class also is set with the interface on data acquisition side apparatus
Seemingly, i.e., the first data receiver port 201, the second data receiver port 202, the first data also can be set on data sending side
Sending port 203 and the second data sending terminal mouth 204.Only for the angle of physical interface, difference between the two exists for this
Difference in data transmission and reception mechanism that is to say and have differences in the control to data transmit-receive.
In specific implementation, the scheme in same above-described embodiment 1 is the same, can at least the request of data or/
With include i.e. unique sequence code mark, such as unique source device node number and sequence of message mark in data response, by this
Mode can realize data screening and Network Fault Detection.
Specifically, the request of data transmitted on data acquisition side apparatus may include heartbeat message, it can
Specifically to detect the event of communication network on side apparatus come periodicity sending heartbeat message to communication network by acquiring in data
Barrier, concrete principle are as follows: since data are one-way transmission in a communication network, request of data is sent to from data acquisition side apparatus
After data in communication network send side apparatus, data send side apparatus data can be responded together with the request of data together under
It issues next data on path and sends side apparatus, acquired in the data response finally received on side apparatus just in data in this way
Include that all data send the response of data transmitted by side apparatus, acquires side apparatus by data and be uploaded to data response
It is analyzed in layer system, is apparent that the topological structure of communication network, according to unique sequence code mark so as to light
Loose ground is judged not receive the data response which data sends side apparatus, thus to determine which node is failure be located at (i.e.
Data send side apparatus) or which node section.
In specific implementation, data send side apparatus 20 can according to the first data receiver port 201 being disposed thereon,
Second data receiver port 202, the first data sending terminal mouth 203 and the second data sending terminal mouth 204 select access communication network
The mode of network, such as its input can be connected to simultaneously on two different paths, or are only connected on a paths;And it is same
Its output of sample can also be connected to simultaneously on two different paths, or is only connected on a paths, specific access side
Formula can be needed according to specific networking to be selected.
Specifically, by above-mentioned interface, when data transmission side apparatus can access two different paths at the same time, to data
Request is carried out and selects receipts mechanism, i.e. step S201 may comprise steps of:
Step S201, listen to whether within continuous specified time from first data receiver port 201 in the communication
Heartbeat message is received on institute's access path in network:
Step S201-1 is asked if so, default/recovery receives the data from first data receiver port 201
It asks;
Step S201-2, if it is not, then receiving the request of data from second data receiver port 202.
The selection to request of data may be implemented through the above steps to receive, send side apparatus on data receiver for data
Alternative is provided, this is also the basis for being avoided failure from causing network paralysis.
Further, it is sent in data response in the output that data send side apparatus, if its output is also while connecting
On different paths, then will by the first data sending terminal mouth 203 and the second data sending terminal mouth 204 to it respectively
The path accessed in the communication network while the data response is sent, that is to say and double hairs are carried out to data response.
Certainly, data transmission side apparatus, which can also input, is only connected on a paths, and data transmission side apparatus can also
As soon as being only connected on paths with output, then the case where receiving there is no choosing with double hairs.
In specific implementation, in order to further ensure the data transmission bauds of communication network and the reliability of transmission, lead to
Communication network can use fiber optic network, if it is considered that cost problem, it can preferred plastic optical fiber network.
Based on the above embodiments from the point of view of 1 and 2, in practical applications, technical solution of the present invention can be applied to meter reading
In technology, then, above-mentioned data acquisition side apparatus can use concentrator, and data send side apparatus and intelligence can be used electric
Table (hereinafter referred to as ammeter), refers to Fig. 6, concentrator 10 and multiple ammeters 20 can be carried out according to above-mentioned Fig. 6 institute to mode
Connection one communication network 30 of composition, and meter reading is realized to method with 2 institutes in accordance with the above-mentioned embodiment 1.It will be appreciated that Fig. 6
It is identical network topology structure with the communication network that above-mentioned Fig. 2 is given, only in physically increasingly complex, communication
Principle is consistent, and equally follows the method in above-described embodiment 1 and embodiment 2.
For more specifically, above-mentioned Fig. 6 to the working mechanism of embodiment can be to be specifically described as:
1) period (such as 2 seconds) on main port of concentrator 10 sends heartbeat message.
2) each ammeter 20 judges the quality of operating path according to the heartbeat message quantity received in certain time, if
A heartbeat message is not received in continuous specified time, then is judged as working path failure, and postponing certain time immediately (must be greater than
One short time, avoids network oscillation, such as larger than 100ms at less than one biggish time, be less than 1s) after be changed to from protection
Message is received on path.If physical layer finds that optical signal is lost, after postponing certain time (avoiding accidentally switching or frequently switching)
It is changed to receive data from Protection path immediately.If within a specified time having received a certain number of heartbeat reports on operating path
Text, then it is assumed that operating path has restored normally, then to be changed to receive message from operating path.
3) for being configured to double electricity tables two parts of identical messages of double hairs on the two-way path that it is connected.
4) two road port of concentrator receives data simultaneously, according to the source node number and test serial number carried in data message
(i.e. unique sequence code mark) decides whether the message received after abandoning.
5) in data communication system, node itself where each ammeter has unique identifier, and backstage Master Station Software is to every
A ammeter distributes unique node ID number in a network automatically.It is obtained from concentrator interactive process according to backstage Master Station Software
Heartbeat detection as a result, then can easily in the Master Station Software of backstage generate and show concentrator and electricity to graphically
Link topology between table, convenient for network operation and management.Once network failure, then according to the heartbeat detection knot of concentrator
Fruit, and pass through certain algorithm calculation processing, then the net at place that is out of order can be identified on the Master Station Software topological diagram of backstage
Section and the communication path of currently practical work.
When applying the invention in meter reading, the request of data should be understood as including normal data request and heartbeat report
Text etc..
Compared with prior art, it applies the invention in meter reading, has at least the following advantages:
1, by half-mesh network connection type, single point failure risk is avoided, it is more in single-point or part to improve network
Survival ability under point failure;
2, by being directly connected to a group big net between concentrator and ammeter, independent optical fiber combiner device equipment is eliminated, is not had to
It considers further that the problem of equipment power-extracting and installation, has also lacked a possible fault point;
3, it is protected by network segmentation, when there is single-point or part multipoint fault, network topology still can be main on backstage
It is shown on station software, the speed of positioning failure can be improved failure point identification in some network segment, it can be quickly extensive
Multiple network;
4, due to having sectionalised protection ability, therefore when dynamic increases, removes or be maintenance ammeter, other have protection network segment
Interior ammeter still can normal communication, not by influence of change, the big data related application or ammeter of this split power generation meter terminal are taken
The business of control is particularly critical, and several minutes of these business needs with regard to acquiring an ammeter data.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (8)
1. a kind of collecting method, which comprises the following steps:
It is connect in a communication network on data acquisition side apparatus by the first data sending terminal mouth and the second data sending terminal mouth
The path entered is come while sending request of data;
By the first data receiver port and the second data receiver port in the communication network on data acquisition side apparatus
The path accessed in network is come while receiving several external equipments by being connected on the communication network in receiving the number
It is responded according to the data sent are responded after request;
It is further comprising the steps of after receiving the data response simultaneously on data acquisition side apparatus:
Judge in the data response whether to include multiple data responses with identical unique sequence code mark: if so, then at most
Retain one in the multiple data response with identical unique sequence code mark;
It wherein, include the unique sequence code mark in the data response that at least each external equipment is sent, it is described logical
Communication network is the half-mesh network topological structure for including mulitpath, and the request of data and data response are in the communication network
Path on be one-way transmission.
2. collecting method according to claim 1, which is characterized in that at least described request of data or/and data are rung
It include unique sequence code mark in answering.
3. collecting method according to claim 1 or 2, it is characterised in that: the communication network is fiber optic network.
4. a kind of data transmission method for uplink, which comprises the following steps:
It sends in data and is connect in a communication network on side apparatus by third data receiver port or the 4th data receiver port
The path that enters receives request of data;
It sends on side apparatus through third data sending terminal mouth and/or the 4th data sending terminal mouth in the data in the communication
The path accessed in network, which is sent, responds the obtained data response of the request of data;
Receiving the request of data on data transmission side apparatus includes:
Listen to whether within continuous specified time from the third data receiver port in the communication network institute's access path
On receive heartbeat message, wherein sending the received request of data of institute on side apparatus in the data includes heartbeat message:
If so, default/recovery receives the request of data from the third data receiver port, if it is not, then from the 4th number
According to receiving the request of data on receiving port;
Wherein, the communication network is the half-mesh network topological structure for including mulitpath, and the request of data and data are rung
It should be one-way transmission on the path of the communication network.
5. data transmission method for uplink according to claim 4, which is characterized in that at least described request of data or/and data are rung
It include unique sequence code mark in answering.
6. data transmission method for uplink according to claim 4, which is characterized in that sent in the data transmitted on side apparatus
The data response include heartbeat message.
7. data transmission method for uplink according to claim 4, which is characterized in that sent in the data and send institute on side apparatus
Stating data response includes: by the third data sending terminal mouth and the 4th data sending terminal mouth to its each leisure communication network
The path accessed in network while sending the data response.
8. data transmission method for uplink according to claim 4, which is characterized in that the communication network is fiber optic network.
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CN111601337B (en) * | 2017-07-18 | 2023-09-01 | 深圳市盛路物联通讯技术有限公司 | Wireless sensor network repeater exception handling method and device |
CN108093023B (en) * | 2017-11-10 | 2021-03-05 | 四川睿数科技有限公司 | Equipment fault detection method, device and system |
CN108134702B (en) * | 2017-12-26 | 2021-01-01 | 北京科来数据分析有限公司 | Data acquisition unit fault solving method |
CN110875859B (en) * | 2018-09-04 | 2022-11-08 | 北京京东尚科信息技术有限公司 | Method and system for monitoring network connection abnormity |
CN112311827A (en) * | 2019-07-30 | 2021-02-02 | 云丁网络技术(北京)有限公司 | Intelligent ammeter management system and method |
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