CN103366544A - Routing simulation system based on electric power line - Google Patents
Routing simulation system based on electric power line Download PDFInfo
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- CN103366544A CN103366544A CN2013103083533A CN201310308353A CN103366544A CN 103366544 A CN103366544 A CN 103366544A CN 2013103083533 A CN2013103083533 A CN 2013103083533A CN 201310308353 A CN201310308353 A CN 201310308353A CN 103366544 A CN103366544 A CN 103366544A
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Abstract
The invention discloses a routing simulation system based on an electric power line. The routing simulation system comprises a concentrator used for at least emitting a carrier meter reading instruction, an electric energy meter used for receiving the carrier meter reading instruction and responding or relaying, a power supply used for providing electric power to the electric energy meter, an electric network used for realizing an electric link between the concentrator and the electric energy meter as well as the electric link between the power supply and the electric energy meter, a detectaphone used for detecting the carrier communication in the electric network, and a process controller used for acquiring carrier communication data detected by the detectaphone. The invention provides a system which can be adopted to realize power line carrier communication detection so as to make related researches and tests possible.
Description
Technical field
The present invention relates to the electric analog apparatus field, relate in particular to a kind of route simulating system based on power circuit.
Background technology
Intelligent electric meter is used widely at Main Countries, but because intelligent electric meter or a newer concept, the also prematurity of its product, properties of product are also unstable, in China's power information acquisition system process of construction, intelligent electric meter goes out all in various degree some problems of appearance in actual installation and use procedure.In order to realize Validity Test and the assessment to the intelligent electric meter communication system, in the urgent need to researching and developing corresponding pick-up unit aspect the critical nature of the intelligent electric meters such as carrier communication, think that the widespread use of intelligent electric energy meter provides effective support.
Summary of the invention
Technical matters to be solved by this invention provides a kind of system that can support power circuit carrier communication detection.
For addressing the above problem, the present invention proposes a kind of route simulating system based on power circuit, comprising:
Concentrator is used for sending at least carrier wave copy reading instruction;
Electric energy meter is used for receiving described carrier wave copy reading instruction and response or relay forwarding;
Power supply is used for providing electric power to described electric energy meter;
Electric network be used for realizing between described concentrator and the electric energy meter, and the Electricity Federation between described power supply and the described electric energy meter is logical;
Detectaphone is used for detecting the carrier communication of described electric network;
Processing controller is used for obtaining described detectaphone and detects the carrier communication data that obtain.
Wherein, also comprise:
Copy the control device, be used for sending carrier signal to described electric network;
Described processing controller also is used for sending carrier signal by the described control device of copying to described electric network.
Wherein, described electric network comprises the path of at least one described concentrator of road UNICOM and electric energy meter; And, forceful electric power isolation and attenuator parallel with one another are set on the described path; Described forceful electric power isolation is used for the forceful electric power transmission of this path of isolation, and described attenuator is used for the carrier signal of this path of decay.
Wherein, described electric energy meter comprises several, and described electric network comprises the path of some described concentrators of road UNICOM and electric energy meter; Wherein, at least one arranges string and topological change-over switch in the described path; Described string and topological change-over switch comprise stiff end and movable end, and described stiff end connects described electric energy meter, the described concentrator of the direct or indirect UNICOM of described movable end selectivity and power supply.
Wherein, described electric energy meter comprises several, and described path comprises several; Wherein, at least one arranges string and topological change-over switch in the described path; Described string and topological change-over switch comprise stiff end and movable end, and described stiff end connects described forceful electric power parallel with one another isolation and attenuator, and described movable end is the direct or indirect described concentrator of UNICOM and power supply optionally.
Wherein, the connection of the outgoing side of described power supply arranges isolating transformer, for noise and high frequency interference are isolated to external world.
Wherein, the connection of the outgoing side of described concentrator arranges line impedance stabilization net work.
Wherein, truly the process of checking meter comprises: after described concentrator sent the copy reading instruction of target electric energy meter to electric network, described processing controller obtained described copy reading instruction and resolves wherein information by detectaphone; Send the relay forwarding instruction after non-target electric energy meter in the described electric energy meter is received described copy reading instruction, described processing controller obtains described relay forwarding instruction and resolves wherein information by described detectaphone; Send response instruction after the target electric energy meter is received described copy reading instruction, described processing controller obtains described response instruction and resolves wherein information by described detectaphone.
Wherein, the virtual process of checking meter comprises: after described concentrator sent the copy reading instruction of target electric energy meter to electric network, described processing controller obtained described copy reading instruction and resolves wherein information by detectaphone; When adopting point-to-point copy reading pattern, described processing controller is simulated described target electric energy meter and is sent response instruction by copying the control device to electric network, and whether communicate with the affirmation copy reading after described concentrator is received described response instruction successful;
When adopting multistage relaying copy reading pattern, the target electric energy meter that described processing controller is simulated through some grades of relayings relations sends response instruction by copying the control device to electric network, and whether communicate with the affirmation copy reading after described concentrator is received described response instruction successful.
Wherein, mix the process of checking meter as follows: trigger described attenuator to the attenuation of carrier signal, keep described forceful electric power isolation to the trafficability characteristic of forceful electric power; After described concentrator sends the copy reading instruction of target electric energy meter to electric network, described processing controller obtains described copy reading instruction and resolves the wherein address information of target electric energy meter by detectaphone, if this address information is true address information, then send described copy reading instruction by the described control device of copying to electric network, described target electric energy meter sends response instruction after receiving this copy reading instruction, and described processing controller obtains this response instruction by copying the control device;
If this address information is virtual address information, judge that then present mode is point-to-point copy reading pattern or multistage relaying copy reading pattern; If point-to-point copy reading pattern, described processing controller are simulated described target electric energy meter and are sent response instruction by copying the control device to electric network; When adopting multistage relaying copy reading pattern, described processing controller simulation sends response instruction by copying the control device to electric network through the target electric energy meter of some grades of relaying relations; Wherein, after described concentrator was received described response instruction, described processing controller communicates with confirmed whether copy reading is successful.
Provide a kind of system that can realize that power line carrier, PLC detects among the present invention, so that relevant research and test become possibility.
Description of drawings
Fig. 1 is the structural representation of an embodiment of a kind of route simulating system based on power circuit of the present invention;
Fig. 2 is the schematic diagram of an a kind of embodiment based on information flow in the route simulating system of power circuit of the present invention.
Embodiment
With reference to figure 1, illustrate the schematic construction of an embodiment of a kind of route simulating system based on power circuit of the present invention.As shown in the figure, label 1 indication is the 380v power supply of three-phase and four-line, and it provides forceful electric power electric power to whole system; Label 2 indications are master switch, and its switch motion has determined whether whole system turns round; Be isolating transformer every becoming 3 behind the described master switch 2, it is used for the power supply noise of power supply 1 is isolated backward, and the while also isolates the high frequency interference of outside.
Label 4 indications are LISN (Line Impedance Stabilization Network, line impedance stabilization net work), and it is used for realization to the impedance stabilization effect of concentrator output signal, improves the signal output efficiency.Concentrator 6 is used for sending the carrier wave copy reading instruction to the target electric energy meter, 5 of detectaphones are used for intercepting the carrier signal of electric network, copying control device 8 is used for sending carrier signal to electric network, 7 of processing controllers are used for obtaining the carrier signal of electric network and resolving from described detectaphone 5, also are used for simultaneously sending carrier signal by copying control device 8 to electric network.
As can be seen from Figure 1, comprised 7 groups of electric energy meters in the present embodiment, every group of electric energy meter comprises 5 electric energy meters.Described 7 groups of electric energy meters are corresponding respectively 7 paths, be respectively the first path, alternate path, three-way, four-way road, five-way road, the 6th path, the 7th path from top to bottom, these 7 paths all can the described power supply 1 of UNICOM and concentrator 6, so-called electric network then refers to the network of the above-mentioned concentrator 6 of UNICOM, electric energy meter and power supply 1, the carrier communication of having carried forceful electric power electric power and light current in this network.Described electric energy meter then can receive the carrier signal in the described electric network, and can optionally respond or relay forwarding it.
In described 7 paths, as shown in the figure, each path all comprises forceful electric power isolation and attenuator parallel with one another; Described forceful electric power isolation is used for the forceful electric power transmission of the power frequency 220V of its place path of isolation, only allows carrier signal to pass through; And described attenuator is used for the carrier signal of its place path of decay, allows the forceful electric power of power frequency 220V pass through after realizing that described concentrator 6 sends the carrier signal instruction, it to be isolated, so that the electric energy meter None-identified with to the electric energy meter power supply.Wherein, described attenuator greater than 80dB, to realize the better isolation to carrier signal, guarantees that electric energy meter can't effectively identify to the damping capacity of carrier signal.
Realized that by described forceful electric power isolation and attenuator forceful electric power transmission and the transmission of light current carrier signal separate control, provide forceful electric power or carrier signal thereby can control flexibly to electric energy meter, can detect demand by to satisfy effectively.
In described 7 paths, as shown in the figure, free opening is set after the isolation of the forceful electric power of each path and the attenuator, to play safety effect, prevents the Accidental occurrences such as excess current.And in 6 paths wherein, can find out before forceful electric power isolation and attenuator and be provided with string and topological change-over switch, the stiff end of this string and topological change-over switch connects forceful electric power isolation and the attenuator of its place path, its movable end then comprise two can the tie point position, one is first position of direct UNICOM power supply 1 and concentrator 6, another then is the second point position that connects the upper level path, thereby indirectly realizes and being connected that power supply 1 is connected with concentrator.For example, second path in Fig. 1 is as example, and attachable first position of movable end of the string on this path and topological change-over switch is the some position that is positioned at left, and this point directly connects power supply 1 and concentrator 6 by electric network; The second point position then is to be positioned at the top, and this second point position is connected with electric energy meter in the first path, thereby passes through this first path connection power supply 1 and concentrator 6.
The effect of described string and topological change-over switch is the selectivity connection by movable end, so that form different connection in series-parallel relations between described 7 paths, thus form different topological structures, to simulate the actual conditions of various situations, satisfied various detection demands.
As shown in Figure 1, concentrator 6 and power supply 1 have all accessed the left end node of described 7 paths, copy control device 8 and then are connected in the present embodiment in the 7th path, are connected with electric energy meter.Be appreciated that because the described control device 8 of copying is used for sending carrier signal to electric network, therefore its needs access electric network gets final product, so just carrier signal can be applied to electric network.So like this, can reasoning, copy the electric energy meter that control device 8 also can be connected to all the other 6 paths.
As shown in Figure 2, it is showed is processing controller, detectaphone, copy the signal stream between control device, concentrator, the electric energy meter, and what it provided is that an easy process is beneficial to understand.Wherein, concentrator sends the copy reading instruction by electric network to the target electric energy meter, and the target electric energy meter then sends response instruction by electric network to concentrator after receiving (the target electric energy meter can be directly to receive described copy reading instruction, or receives by the relay forwarding effect of other electric energy meter) this copy reading instruction herein.
Catch and in the transmission courses of carrier signal in electric network such as above-mentioned copy reading instruction, response instruction and relay forwarding instruction (if words of the non-target electric energy meter relay forwarding of process), all be listened device, detectaphone will be caught the carrier signal that obtains and be sent to processing controller, processing controller to its resolve, put in order, statistics etc.And on the other hand, processing controller also can send the carrier signal instruction in the electric network by copying the control device, so that concentrator received, thereby realizes relevant test.
Further explanation and understanding in the foregoing, can be with reference to three following processes of checking meter:
Truly the process of checking meter comprises:
In this process, concentrator sends copy reading instruction a to the target electric energy meter to electric network, processing controller obtains this instruction a by detectaphone, and instruction a analyzed, resolve wherein address information and trunk information, so-called address information can be the address information of target electric energy meter at least, and so-called trunk information can be the via node information that comprises.
After supposing that electric energy meter 11 is received copy reading instruction a, to judge, if copy reading is the data of this electric energy meter, to reply response instruction b, processing controller obtains instruction b by detectaphone, and instruction b analyzed, resolve wherein address information and trunk information, confirm whether success of this time point-to-point copy reading.If what electric energy meter 11 was judged copy reading is not the data of this electric energy meter, to send relay forwarding instruction c, the copy reading instruction is carried out relaying to target electric energy meter m, processing controller obtains instruction c by detectaphone, and instruction c analyzed, resolve wherein address information and trunk information, record this trunk information.After electric energy meter 12 is received relay instruction c, will judge, if copy reading is the data of this electric energy meter, to reply response instruction d, processing controller obtains instruction d by detectaphone, and instruction d is analyzed, resolve wherein address information and trunk information, confirm whether this time point-to-point copy reading is successful.If what electric energy meter 12 was judged copy reading is not the data of this electric energy meter, to send relay forwarding instruction e, the copy reading instruction is carried out relaying to target electric energy meter m, processing controller obtains instruction e by detectaphone, and instruction e analyzed, resolve wherein address information and trunk information, record this trunk information.The like ... until electric energy meter m, reply response instruction x, the response instruction x again inverse process by above-mentioned relaying returns to the concentrator processing controller and obtains instruction x by detectaphone, and instruction x analyzed, resolve wherein address information and trunk information, confirm whether this relaying copy reading is successful.By record, processing controller has obtained the route relaying relation that the whole piece instruction is carried out, and the line item of going forward side by side is shown to the operator by man-machine interface, to carry out the test of follow-up index.
The virtual process of checking meter comprises:
In this process, concentrator sends copy reading instruction a, and processing controller obtains instruction a by detectaphone, and instruction a is analyzed, and resolves wherein address information and trunk information, obtains the destination address of concentrator copy reading electric energy meter.Processing controller arranges according to the operator, if the operator is set to point-to-point copy reading pattern, then reply a copy reading successful respond instruction b, by copy the control device with command to electric network, concentrator receives that instruction b aftertreatment controller inquires about the concentrator state, if concentrator thinks that copy reading is successful, then finish once dialogue.If the operator is set to multistage relaying copy reading pattern, then from Virtual table node storehouse, select and comprise destination address s at interior a plurality of virtual electric energy meter node addresss, form one comprise multistage relaying relation reply instruction x, by copy the control device with command to electric network, concentrator is subject to instruction x aftertreatment controller the concentrator state is inquired about, if concentrator thinks that copy reading is successful, then finish once dialogue.Judge that according to this concentrator is to the adaptive faculty of different relaying conditions.
Mix the process of checking meter as follows:
Isolate to realize intercept carrier communication by cutting off forceful electric power this moment, so that the carrier communication loop is in dissengaged positions.Both comprise true electric energy meter address in the electric energy meter address information for the concentrator download, also comprised the virtual electric energy meter address.When the data of concentrator copy reading target electric energy meter m, copy reading instruction a is uploaded in the processing controller by detectaphone, whether truly processing controller judges target electric energy meter address m electric energy meter address, if true electric energy meter address, then by copying the control device electric energy meter node m is issued in the copy reading instruction, after electric energy meter is received this instruction, reply response instruction b, upload to processing controller by detectaphone.
When target electric energy meter address m was the virtual electric energy meter address, processing controller arranged according to the operator, and point-to-point copy reading simulation or relaying copy reading simulation are carried out in judgement.If point-to-point copy reading simulation then directly replies to concentrator by detectaphone with instruction b.If relaying copy reading simulation, then from Virtual table node storehouse, select a plurality of virtual electric energy meter node addresss, form one comprise multistage relaying relation reply instruction x, by copy the control device with command to line of electric force, concentrator is subject to instruction x aftertreatment controller the concentrator state is inquired about, if concentrator thinks that copy reading is successful, then finish once dialogue.Judge that according to this concentrator is to the adaptive faculty of different relaying conditions.
Below only be embodiments of the invention, it should not be construed as limiting the present invention.
Claims (10)
1. route simulating system based on power circuit comprises:
Concentrator is used for sending at least carrier wave copy reading instruction;
Electric energy meter is used for receiving described carrier wave copy reading instruction and response or relay forwarding;
Power supply is used for providing electric power to described electric energy meter;
Electric network be used for realizing between described concentrator and the electric energy meter, and the Electricity Federation between described power supply and the described electric energy meter is logical;
Detectaphone is used for detecting the carrier communication of described electric network;
Processing controller is used for obtaining described detectaphone and detects the carrier communication data that obtain.
2. the system as claimed in claim 1 is characterized in that, also comprises:
Copy the control device, be used for sending carrier signal to described electric network;
Described processing controller also is used for sending carrier signal by the described control device of copying to described electric network.
3. system as claimed in claim 2 is characterized in that, described electric network comprises the path of at least one described concentrator of road UNICOM and electric energy meter; And, forceful electric power isolation and attenuator parallel with one another are set on the described path; Described forceful electric power isolation is used for the forceful electric power transmission of this path of isolation, and described attenuator is used for the carrier signal of this path of decay.
4. system as claimed in claim 1 or 2 is characterized in that, described electric energy meter comprises several, and described electric network comprises the path of some described concentrators of road UNICOM and electric energy meter; Wherein, at least one arranges string and topological change-over switch in the described path; Described string and topological change-over switch comprise stiff end and movable end, and described stiff end connects described electric energy meter, and described movable end is the direct or indirect described concentrator of UNICOM and power supply optionally.
5. system as claimed in claim 3 is characterized in that, described electric energy meter comprises several, and described path comprises several; Wherein, at least one arranges string and topological change-over switch in the described path; Described string and topological change-over switch comprise stiff end and movable end, and described stiff end connects described forceful electric power parallel with one another isolation and attenuator, and described movable end is the direct or indirect described concentrator of UNICOM and power supply optionally.
6. such as each described system in the claims 1 to 3, it is characterized in that, the outgoing side connection of described power supply arranges isolating transformer, for noise and high frequency interference are isolated to external world.
7. such as each described system in the claims 1 to 3, it is characterized in that, the outgoing side connection of described concentrator arranges line impedance stabilization net work.
8. such as each described system in the claims 1 to 3, it is characterized in that, truly the process of checking meter comprises: after described concentrator sent the copy reading instruction of target electric energy meter to electric network, described processing controller obtained described copy reading instruction and resolves wherein information by detectaphone; Send the relay forwarding instruction after non-target electric energy meter in the described electric energy meter is received described copy reading instruction, described processing controller obtains described relay forwarding instruction and resolves wherein information by described detectaphone; Send response instruction after the target electric energy meter is received described copy reading instruction, described processing controller obtains described response instruction and resolves wherein information by described detectaphone.
9. system as claimed in claim 2 or claim 3 is characterized in that, the virtual process of checking meter comprises: after described concentrator sent the copy reading instruction of target electric energy meter to electric network, described processing controller obtained described copy reading instruction and resolves wherein information by detectaphone; When adopting point-to-point copy reading pattern, described processing controller is simulated described target electric energy meter and is sent response instruction by copying the control device to electric network, and whether communicate with the affirmation copy reading after described concentrator is received described response instruction successful;
When adopting multistage relaying copy reading pattern, the target electric energy meter that described processing controller is simulated through some grades of relayings relations sends response instruction by copying the control device to electric network, and whether communicate with the affirmation copy reading after described concentrator is received described response instruction successful.
10. system as claimed in claim 3 is characterized in that, mixes the process of checking meter as follows: trigger described attenuator to the attenuation of carrier signal, keep described forceful electric power isolation to the trafficability characteristic of forceful electric power; After described concentrator sends the copy reading instruction of target electric energy meter to electric network, described processing controller obtains described copy reading instruction and resolves the wherein address information of target electric energy meter by detectaphone, if this address information is true address information, then send described copy reading instruction by the described control device of copying to electric network, described target electric energy meter sends response instruction after receiving this copy reading instruction, and described processing controller obtains this response instruction by copying the control device;
If this address information is virtual address information, judge that then present mode is point-to-point copy reading pattern or multistage relaying copy reading pattern; If point-to-point copy reading pattern, described processing controller are simulated described target electric energy meter and are sent response instruction by copying the control device to electric network; When adopting multistage relaying copy reading pattern, described processing controller simulation sends response instruction by copying the control device to electric network through the target electric energy meter of some grades of relaying relations; Wherein, after described concentrator was received described response instruction, described processing controller communicates with confirmed whether copy reading is successful.
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| CN2013103083533A CN103366544A (en) | 2013-07-22 | 2013-07-22 | Routing simulation system based on electric power line |
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| CN104579524A (en) * | 2013-10-28 | 2015-04-29 | 国家电网公司 | Simulation platform for electricity consumption information collection system |
| CN105490706A (en) * | 2015-11-11 | 2016-04-13 | 珠海中慧微电子股份有限公司 | Split type keyboard table carrier communication system |
| CN112290978A (en) * | 2020-10-26 | 2021-01-29 | 成都长城开发科技有限公司 | Carrier communication coupling circuit, ammeter and ammeter carrier communication system |
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