CN111327016A - Circuit breaker, topological network, topological networking method and device - Google Patents
Circuit breaker, topological network, topological networking method and device Download PDFInfo
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- CN111327016A CN111327016A CN202010134521.1A CN202010134521A CN111327016A CN 111327016 A CN111327016 A CN 111327016A CN 202010134521 A CN202010134521 A CN 202010134521A CN 111327016 A CN111327016 A CN 111327016A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
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Abstract
The application provides a circuit breaker, a topology network, a topology networking method and a topology networking device, and relates to the technical field of electric power. The method can comprise the following steps: breaker body, mutual-inductor, control panel and communication module, mutual-inductor, communication module and control panel all set up on the breaker body, are provided with on the control panel: the device comprises a processor, a sampling unit and a signal generating unit; the output end of the sampling unit and the control end of the signal generating unit are respectively electrically connected with the processor; and a secondary winding of the mutual inductor is electrically connected with an input end of the sampling unit, and the communication module is connected with the control panel and is electrically connected with a processor on the control panel. The signal generating unit is arranged in the circuit breaker, the topological characteristic signals can be generated based on the signal generating unit, the processor can generate topological data according to the topological characteristic signals, and the upper computer can generate a topological network based on the topological data, so that the generation of the topological network is more convenient and efficient.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a circuit breaker, a topological network, a topological networking method and a topological networking device.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening a current under a normal circuit condition, and closing, carrying, and opening a current under an abnormal circuit condition within a prescribed time. The circuit breaker can be used for distributing electric energy and protecting a power supply circuit, a motor and the like. In the construction process of the power internet of things, it is becoming more and more important to generate a topological network of the circuit breaker to determine the position structure of the circuit breaker and monitor and analyze information in the circuit breaker.
In the related technology, the superior-inferior relation between the circuit breakers is determined manually according to the connection between the circuit breakers, and the superior-inferior relation between the circuit breakers is transmitted to an upper computer, so that the upper computer determines the topological network of the circuit breakers according to the superior-inferior relation between the circuit breakers.
However, the upper computer is enabled to determine the topology network by manually determining the upper-lower level relation between the circuit breakers, unnecessary human resources are wasted, and the efficiency of determining the topology network is reduced.
Disclosure of Invention
The invention aims to provide a circuit breaker, a topology network, a topology networking method and a topology networking device aiming at the defects in the prior art, so as to solve the problems that in the related art, the circuit breaker is connected with a communication module through a wire, the space of a power distribution system is occupied, the wiring is complex, the risk of crosstalk exists, and the generation of the topology network is not convenient based on the connection structure.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, an embodiment of the present invention provides a circuit breaker, where the circuit breaker includes: circuit breaker body, mutual-inductor, control panel and communication module, the mutual-inductor communication module with the control panel all set up in on the circuit breaker body, be provided with on the control panel: the device comprises a processor, a sampling unit and a signal generating unit; the output end of the sampling unit and the control end of the signal generating unit are respectively electrically connected with the processor;
the secondary winding of the mutual inductor is electrically connected with the input end of the sampling unit, and the communication module is connected with the control board and is electrically connected with the processor on the control board;
the primary winding of the mutual inductor is used for connecting an electric power inlet end of the circuit breaker and an electric power outlet end of the circuit breaker, the output end of the signal generating unit is further connected with the electric power outlet end of the circuit breaker, and the communication module is used for connecting an upper computer.
Optionally, the power inlet end of the circuit breaker is connected to a power grid device; and the power outlet end of the circuit breaker is connected with an electric load through the power line.
Optionally, the power line inlet end of the circuit breaker is connected with the power line outlet end of a superior circuit breaker; and the electric power outlet end of the circuit breaker is connected with the electric power inlet end of a subordinate circuit breaker through the power line.
Optionally, the control panel is further provided with: a power supply unit; the processor, the signal generation unit and the sampling unit are electrically connected with the power supply unit respectively.
Optionally, the power supply unit is electrically connected to the secondary winding of the transformer or the power line inlet end of the circuit breaker, respectively.
Optionally, the communication module includes: a power line carrier communication module and/or an RS485 module.
In a second aspect, an embodiment of the present invention provides a topology network of circuit breakers, including: a plurality of circuit breakers of any of the above first aspects, the plurality of circuit breakers forming a multi-stage branch;
the communication module of each circuit breaker is connected with an upper computer; among the plurality of circuit breakers, the first-stage circuit breaker is connected with the power grid equipment, the last-stage circuit breaker is connected with the power load, and the power inlet end of the next-stage circuit breaker is connected with the power outlet end of the previous-stage circuit breaker.
In a third aspect, an embodiment of the present invention provides a topology networking method for circuit breakers, which is applied to a circuit breaker, where the first circuit breaker is any one circuit breaker in the topology network according to the second aspect, and the method includes:
receiving a networking instruction sent by an upper computer;
generating and outputting a first topological characteristic signal according to the networking instruction, so that a superior circuit breaker detects the first topological characteristic signal and generates first topological data;
and acquiring a first electric signal, and analyzing and processing the first electric signal to generate the first topological data.
Optionally, the method further includes:
acquiring a second electrical signal according to a second topological characteristic signal output by the lower-level circuit breaker;
analyzing and processing the second electric signal and generating second topological data; wherein the lower level circuit breaker is configured to generate the second topology data according to a second topology characteristic signal.
In a fourth aspect, an embodiment of the present invention provides a topology networking method for a circuit breaker, which is applied to an upper computer in the topology network in the second aspect, and the method includes:
sending a networking instruction to the circuit breakers in the multistage branch;
acquiring topology data generated by each breaker;
and determining the superior-inferior relation between at least one circuit breaker in the same branch circuit according to the topological data.
Optionally, the sending a networking instruction to the circuit breakers in the multi-stage branch includes:
in a fifth aspect, an embodiment of the present invention provides a topology networking device for a circuit breaker, where the topology networking device is applied to a circuit breaker, the circuit breaker is any one circuit breaker in the topology network according to the second aspect, and the device includes:
the receiving module is used for receiving a networking instruction sent by the upper computer;
the output module is used for generating and outputting a first topological characteristic signal according to the networking instruction, so that a superior circuit breaker detects the first topological characteristic signal and generates first topological data;
the acquisition module is used for acquiring a first electric signal, analyzing and processing the first electric signal and generating the first topological data.
Optionally, the apparatus further comprises:
the first acquisition module is used for acquiring a second electric signal according to a second topological characteristic signal output by the lower-level circuit breaker;
the processing module is used for analyzing and processing the second electric signal and generating second topological data; wherein the lower level circuit breaker is configured to generate the second topology data according to the second topology characteristic signal.
In a sixth aspect, an embodiment of the present invention provides a topology networking device for a circuit breaker, which is applied to an upper computer in the topology network in the second aspect, and the device includes:
the sending module is used for sending a networking instruction to one circuit breaker in the multistage branch;
the acquisition module is used for acquiring the topology data generated by each breaker;
and the determining module is used for determining the superior-inferior relation between at least one circuit breaker in the same branch circuit according to the topological data.
Optionally, the sending module is further configured to send the networking instruction to each circuit breaker in the multi-stage branch one by one until the plurality of circuit breakers are traversed.
Optionally, the apparatus further comprises:
and the control module is used for controlling the zero clearing topology data of each circuit breaker after the topology data is read once.
The beneficial effect of this application is: an embodiment of the present invention provides a circuit breaker, including: breaker body, mutual-inductor, control panel and communication module, mutual-inductor, communication module and control panel all set up on the breaker body, are provided with on the control panel: the device comprises a processor, a sampling unit and a signal generating unit; the output end of the sampling unit and the control end of the signal generating unit are respectively electrically connected with the processor; the secondary winding of the mutual inductor is electrically connected with the input end of the sampling unit, and the communication module is connected with the control panel and is electrically connected with the processor on the control panel; the primary winding of the mutual inductor is used for connecting an electric power inlet end of the circuit breaker and an electric power outlet end of the circuit breaker, the output end of the signal generating unit is further connected with a power line of the electric power outlet end of the circuit breaker, and the communication module is used for connecting an upper computer. Set up signal generation unit in the circuit breaker, this signal generation unit's control end is connected with the treater electricity, and signal generation unit's output and electric power outlet terminal's power line can produce topological characteristic signal based on this signal generation unit, treater according to topological characteristic signal alright in order to generate topological data, the host computer then can generate topological network based on this topological data for the more convenient and high-efficient of the generation of topological network.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a circuit breaker according to the present invention;
fig. 2 is a schematic structural diagram of a circuit breaker connection according to the present invention;
fig. 3 is a schematic structural diagram of a circuit breaker according to the present invention;
fig. 4 is a schematic structural diagram of a topology network of a circuit breaker according to the present invention;
fig. 5 is a schematic flow chart of a topological networking method for circuit breakers according to the present invention;
fig. 6 is a schematic flowchart of a topological networking method for circuit breakers according to the present invention;
fig. 7 is a schematic flowchart of a topological networking method for circuit breakers according to the present invention;
fig. 8 is a schematic structural diagram of a topological networking device of a circuit breaker according to the present invention;
fig. 9 is a schematic structural diagram of a topological networking device of a circuit breaker according to the present invention;
fig. 10 is a schematic structural diagram of a circuit breaker according to the present invention;
fig. 11 is a schematic structural diagram of an upper computer provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Fig. 1 is a schematic structural diagram of a circuit breaker provided by the present invention, and as shown in fig. 1, the circuit breaker may include: the circuit breaker comprises a circuit breaker body 100, a transformer 101, a control board 102 and a communication module 103.
Wherein, mutual-inductor 101, communication module 103 and control panel 102 all set up on circuit breaker body 100. The control board 102 is provided with: a processor 1021, a sampling unit 1022, and a signal generation unit 1023; the output end of the sampling unit 1022 and the control end of the signal generating unit 1023 are electrically connected with the processor 1021 respectively; the secondary winding 1011 of the transformer 101 is electrically connected with the input end of the sampling unit 1022, and the processor 1021 is electrically connected with the communication module 103.
In addition, the primary winding 1012 of the transformer 101 is used for connecting the power inlet terminal 104 of the circuit breaker and the power outlet terminal 105 of the circuit breaker, the output terminal of the signal generating unit 1023 is also connected with the power line of the power outlet terminal 105 of the circuit breaker, and the communication module 103 is used for connecting an upper computer.
As shown in fig. 1, the communication module 103 may be connected to an upper computer through a power line inlet end of the circuit breaker, and the circuit breaker may communicate with the upper computer through the communication module 103. The communication module 103 and the processor 1021 may be connected in a pluggable manner.
It should be noted that the power inlet end 104 of the circuit breaker may be used to connect with the outlet end of another circuit breaker or a power grid device, and the power outlet end 105 of the circuit breaker may be used to connect with the inlet end of another circuit breaker or a power consumption device.
In some embodiments, the upper computer may send a networking instruction through the circuit breaker, and the processor 1021 of the circuit breaker may receive the networking instruction through the communication module 103, and control the signal generation unit 1023 to generate a topology characteristic signal according to the networking instruction.
Then, the electric signal corresponding to the topology characteristic signal is transmitted to the transformer 101 through the power outlet terminal 105, the transformer 101 can detect the electric signal and send the electric signal to the sampling unit 1022, the sampling unit 1022 can receive the electric signal and perform sampling processing on the electric signal and send the sampled electric signal to the processor 1021, the processor 1021 can judge whether the sampled electric signal meets a preset condition, topology data is generated when the preset condition is met, and the topology data is sent to the upper computer, so that the upper computer can automatically generate a topology network according to the topology data.
To sum up, an embodiment of the present invention provides a circuit breaker, including: breaker body, mutual-inductor, control panel and communication module, mutual-inductor, communication module and control panel all set up on the breaker body, are provided with on the control panel: the device comprises a processor, a sampling unit and a signal generating unit; the output end of the sampling unit and the control end of the signal generating unit are respectively electrically connected with the processor; the secondary winding of the mutual inductor is electrically connected with the input end of the sampling unit, and the communication module is connected with the control panel and is electrically connected with the processor on the control panel; the primary winding of the mutual inductor is used for connecting an electric power inlet end of the circuit breaker and an electric power outlet end of the circuit breaker, the output end of the signal generating unit is further connected with a power line of the electric power outlet end of the circuit breaker, and the communication module is used for connecting an upper computer. Set up signal generation unit in the circuit breaker, this signal generation unit's control end is connected with the treater electricity, and signal generation unit's output and electric power outlet terminal's power line can produce topological characteristic signal based on this signal generation unit, treater according to topological characteristic signal alright in order to generate topological data, the host computer then can generate topological network based on this topological data for the more convenient and high-efficient of the generation of topological network.
Optionally, the power inlet end of the circuit breaker is connected with a power grid device; and the power outlet end of the circuit breaker is connected with an electric load through a power line.
In the embodiment of the invention, when the circuit breaker is used as a first-stage circuit breaker, the electric power inlet end of the circuit breaker can be connected with a power grid device; when the circuit breaker is used as the last stage circuit breaker, the power outlet end of the circuit breaker is connected with the electric load through the power line.
It should be noted that, when the circuit breaker receives a networking instruction sent by an upper computer, a signal generation unit of the circuit breaker may generate a topology characteristic signal, and the topology characteristic signal may only be monitored by a transformer of the circuit breaker itself and generated by a processor of the circuit breaker itself into topology data.
In summary, the circuit breaker may serve as a first-stage circuit breaker and may also serve as a last-stage circuit breaker, and for a topology network of one circuit breaker, both the first-stage circuit breaker and the last-stage circuit breaker may be the circuit breaker structures provided in the embodiments of the present invention.
Optionally, fig. 2 is a schematic structural diagram of a circuit breaker connection provided by the present invention, and as shown in fig. 2, an electric power incoming terminal of a circuit breaker 10 is connected to an electric power outgoing terminal of an upper-level circuit breaker 11.
The power inlet end of the circuit breaker 10 can be connected to the power outlet end of the upper circuit breaker 11 through a power line.
In a possible implementation manner, when the upper computer sends a networking instruction to the circuit breaker 10, the signal generating unit of the circuit breaker generates and sends a topology characteristic signal, the transformers of the circuit breaker 10 and the upper circuit breaker 11 can both detect the topology characteristic signal, and then the processors of the circuit breaker 10 and the upper circuit breaker 11 can both generate topology data and send the topology data to the upper computer through respective communication modules.
In another possible embodiment, when the upper computer sends a networking instruction to the upper circuit breaker 11, the signal generating unit of the upper circuit breaker 11 may generate and send a topology characteristic signal, only the transformer of the upper circuit breaker 11 may detect the topology characteristic signal, and the transformer of the upper circuit breaker 11 may generate topology data and send the topology data to the upper computer through its own communication module.
Alternatively, as shown in fig. 2, the power outlet terminal of the circuit breaker 10 is connected to the power inlet terminal of a lower circuit breaker 12.
When the upper computer sends a networking instruction to the circuit breaker 10, the signal generation unit of the circuit breaker 10 generates and sends a topological characteristic signal, the circuit breaker 10 can detect the topological characteristic signal, and then the processor of the circuit breaker 10 can generate topological data and send the topological data to the upper computer through the communication module of the processor.
In addition, when the upper computer sends a networking instruction to the lower circuit breaker 12, the signal generating unit of the lower circuit breaker 12 generates and sends a topology characteristic signal, the transformers of the lower circuit breaker 12 and the circuit breaker 10 can detect the topology characteristic signal, and the processors of the lower circuit breaker 12 and the circuit breaker 10 can generate topology data and send the topology data to the upper computer through respective communication modules.
In summary, the circuit breaker may be used as an intermediate-stage circuit breaker, that is, a non-last-stage circuit breaker and a non-first-stage circuit breaker, and for a topology network of one circuit breaker, the intermediate-stage circuit breaker may be the circuit breaker provided in the embodiment of the present invention.
Optionally, fig. 3 is a schematic structural diagram of a circuit breaker provided by the present invention, and as shown in fig. 3, the control board is further provided with: a power supply unit 1024; the processor 1021, the signal generation unit 1023 and the sampling unit 1022 are electrically connected to the power supply unit 1024, respectively.
The power supply unit 1024 may supply power to the processor 1021, the signal generation unit 1023, and the sampling unit 1022.
Alternatively, as shown in fig. 3, the power supply unit 1024 is electrically connected to the secondary winding 1011 of the transformer 101 and/or the power inlet terminal 104 of the circuit breaker, respectively.
Fig. 3 shows that the power supply unit 1024 is connected only to the secondary winding 1011 of the transformer 101. It should be understood that the power supply unit 1024 may also be connected only to the power inlet 104 of the circuit breaker; the power supply unit 1024 may also be electrically connected to the secondary winding 1011 of the transformer 101 and the power line inlet 104 of the circuit breaker, respectively, which is not limited in this embodiment of the present invention.
In the embodiment of the present invention, the power supply unit 1024 may be powered by the power line inlet 104; the transformer 101 can also be used for supplying power to the power supply unit 1024, so that the flexibility of supplying power to the power supply unit is increased, and the power supply to the power supply unit is more reliable.
Optionally, the circuit breaker body may include: base, face lid, bottom.
Wherein, the base sets up on the bottom cover, the face lid with base fixed connection, mutual-inductor, communication module and control panel set up respectively on the base, towards one side of face lid.
It should be noted that the base, the face cover and the bottom cover can form an accommodating space, and the mutual inductor, the communication module and the control board can be arranged in the accommodating space. The cross-sectional shapes of the base, the face cover and the bottom cover may be the same, and for example, the cross-sectional shapes may be rectangular, which is not particularly limited in the embodiments of the present invention.
To sum up, mutual-inductor, communication module and control panel set up respectively on the base, towards one side of face lid, through base, face lid, bottom, can include the mutual-inductor, communication module and the control panel of circuit breaker, avoid external environment to the influence of mutual-inductor, communication module and control panel.
An embodiment of the present invention further provides a topology network of a circuit breaker, where the topology network may include: in the circuit breaker of any of the above-described fig. 1 and 3, a plurality of circuit breakers form a multi-stage branch.
Wherein, the communication module of each breaker is connected with an upper computer; among the multiple circuit breakers, the first-stage circuit breaker is connected with the power grid equipment, the last-stage circuit breaker is connected with the power load, and the power inlet end of the next-stage circuit breaker is connected with the power outlet end of the previous-stage circuit breaker.
It should be noted that, the topology network of the circuit breakers may include multiple stages of branches, and multiple stages of circuit breakers may be disposed on each stage of branch.
In addition, the power inlet end of the next-stage circuit breaker can be connected with the power outlet end of the previous-stage circuit breaker through a power line.
For example, fig. 4 is a topology network of circuit breakers according to an embodiment of the present invention, as shown in fig. 4, the topology network of circuit breakers may include 4 stages of branches, three circuit breakers are disposed on each stage of branch, and the topology network includes 7 circuit breakers, which are an a circuit breaker, a B circuit breaker, a C circuit breaker, a D circuit breaker, an E circuit breaker, an F circuit breaker, and a G circuit breaker.
Wherein, the inlet wire end of A circuit breaker can be connected with electric wire netting equipment, the outlet terminal of A circuit breaker can be connected with the inlet wire end of B circuit breaker and C circuit breaker, the outlet terminal of B circuit breaker can be connected with the inlet wire end of D circuit breaker and E circuit breaker, the outlet terminal of C circuit breaker can be connected with the inlet wire end of F circuit breaker and G circuit breaker, the outlet terminal of D circuit breaker, E circuit breaker, F circuit breaker and G circuit breaker can be connected with consumer.
To sum up, an embodiment of the present invention provides a topology network of a circuit breaker, where the topology network may include: the circuit breaker of any of the above-mentioned fig. 1 and 3, a plurality of circuit breakers forming a multi-stage branch circuit; each circuit breaker in the topology network can be a circuit breaker provided by more embodiments of the present invention, and the circuit breaker provided by the embodiments of the present invention is more general in the topology network.
Fig. 5 is a schematic flowchart of a topological networking method for circuit breakers, where as shown in fig. 5, the method may include:
and S101, receiving a networking instruction sent by an upper computer.
The upper computer can send networking instructions to the communication module of the circuit breaker, and the power line carrier communication module of the circuit breaker can receive the networking instructions sent by the upper computer.
S102, generating and outputting a first topological characteristic signal according to a networking instruction, so that a superior circuit breaker detects first topological data of the topological characteristic signal.
The power outlet end of the superior circuit breaker is connected with the power inlet end of the circuit breaker.
In some embodiments, the processor of the circuit breaker sends a high-level signal with a certain pulse width to the signal sending unit of the circuit breaker according to the networking instruction, and the signal sending unit of the circuit breaker can receive the high-level signal and generate the first topology characteristic signal according to the high-level signal.
In addition, the inlet end of the superior breaker is connected with the outlet end of the breaker, on one hand, the first topological characteristic signal can be transmitted to the mutual inductor of the breaker through the electric outlet end of the breaker, on the other hand, the first topological characteristic signal can be transmitted to the mutual inductor of the superior breaker through the electric outlet end of the breaker, the mutual inductor and the electric inlet end, and the electric outlet end of the superior breaker is transmitted to the mutual inductor of the superior breaker.
Moreover, the mutual inductor of the upper circuit breaker can detect a first electric signal corresponding to the first topological characteristic signal and send the first electric signal to the sampling unit of the upper circuit breaker; the sampling unit of the superior circuit breaker receives the first electric signal and performs sampling processing on the first electric signal to obtain a sampled first electric signal, and the sampling unit of the superior circuit breaker sends the sampled first electric signal to the processor of the superior circuit breaker; the processor of the superior circuit breaker can receive the first electrical signal after sampling processing, and judge whether the first topological characteristic signal corresponding to the first electrical signal after sampling processing meets the preset condition, if so, first topological data is generated.
S103, acquiring the first electric signal, analyzing the first electric signal, and generating first topological data.
In some embodiments, the transformer of the circuit breaker may detect a first electrical signal corresponding to the first topological characteristic signal and send the first electrical signal to the sampling unit of the circuit breaker; the circuit breaker comprises a sampling unit, a processor and a control unit, wherein the sampling unit of the circuit breaker receives a first electric signal and performs sampling processing on the first electric signal to obtain a sampled first electric signal; the processor of the circuit breaker can receive the first electrical signal after sampling processing, and judge whether the first topological characteristic signal corresponding to the first electrical signal after sampling processing meets a preset condition, if so, first topological data is generated.
It should be noted that the processors of the circuit breaker and the superior circuit breaker can send first topology data to the upper computer through the communication module, and the upper computer can receive the first topology data so as to perform networking according to the first topology data in the following.
In summary, the processor of the circuit breaker generates and outputs the first topology characteristic signal according to the networking instruction, and the processors of the superior circuit breaker and the circuit breaker can both obtain the first electrical signal and analyze and process the first electrical signal to generate the first topology data. The circuit breaker and the superior circuit breaker can generate first topological data, and then the upper computer can generate a topological network based on the first topological data, so that the generation of the topological network is more convenient and efficient.
Fig. 6 is a schematic flowchart of a topology networking method for circuit breakers, where as shown in fig. 6, the method may further include:
s201, acquiring a second electric signal according to a second topological characteristic signal output by the lower-level circuit breaker.
The power outlet end of the circuit breaker is connected with the power inlet end of the subordinate circuit breaker.
In the embodiment of the invention, the communication module of the lower circuit breaker can receive the networking instruction sent by the upper computer, the signal generating unit of the lower circuit breaker can generate and send the second topological characteristic signal, and the processor of the circuit breaker can acquire the second electric signal induced by the transformer of the circuit breaker through the sampling unit of the circuit breaker.
S202, analyzing and processing the second electric signal and generating second topological data.
And the lower-level circuit breaker is used for generating second topology data according to the second topology characteristic signal.
In the embodiment of the present invention, the processor of the circuit breaker may determine the second electrical signal and the corresponding second waveform signal, and determine whether the second waveform signal satisfies a preset condition, and if so, the circuit breaker of the processor may generate the second topology data.
In addition, the processor of the lower circuit breaker acquires a second electric signal induced by the mutual inductor of the upper circuit breaker through the sampling unit of the upper circuit breaker, determines the second electric signal and a corresponding second waveform signal, judges whether the second waveform signal meets a preset condition or not, and if the second waveform signal meets the preset condition, can generate second topological data.
In the embodiment of the present invention, the first topological characteristic signal may be a first topological characteristic signal waveform; the second topological characteristic signal can be a second topological characteristic signal waveform, and the topological characteristic signal waveform has preset amplitude, pulse width, frequency and number.
In summary, when the circuit breaker has a lower-level circuit breaker, the circuit breaker can also generate second topology data according to a second topology characteristic signal output by the lower-level circuit breaker, and then the upper computer can generate a topology network based on the first topology data and the second topology data, so that the generation of the topology network is more convenient and efficient.
Fig. 7 is a schematic flowchart of a topological networking method for circuit breakers, where as shown in fig. 7, the method may include:
s301, sending a networking instruction to one circuit breaker in the multi-stage branch.
In some embodiments, the upper computer may send a networking instruction to a communication module of one circuit breaker in the multi-stage branch, the processor of the circuit breaker may receive the networking instruction through the communication module of the processor, and the processor of the circuit breaker may further obtain a first electrical signal induced by a transformer of the circuit breaker through a sampling unit of the circuit breaker, and analyze and process the first electrical signal to generate the first topology data.
The circuit breaker and the upper-level circuit breaker may generate the first topology data according to the first topology characteristic signal.
In addition, the incoming line end of the circuit breaker is connected with the outgoing line end of the higher-level circuit breaker, the higher-level circuit breaker is the upper-level circuit breaker of the circuit breaker, when the upper computer sends a networking instruction to the circuit breaker, the circuit breaker generates a first topological characteristic signal, and the circuit breaker and the higher-level circuit breaker can generate first topological data according to the first topological characteristic signal. When the wire inlet end of the upper-level circuit breaker is also connected with the wire outlet ends of other circuit breakers, the circuit breaker, the upper-level circuit breaker and other circuit breakers can generate topology data according to the first topology characteristic signal.
S302, topology data generated by each breaker are obtained.
After the circuit breakers generate the topology data, the circuit breakers can send the topology data to the upper computer through respective communication modules. Of course, after the upper computer sends the networking instruction to the circuit breaker, the upper computer may also acquire the topology data from the circuit breaker at a preset time interval, which is not specifically limited in the embodiment of the present invention.
S303, determining the superior-inferior relation between at least one circuit breaker in the same branch circuit according to the topological data.
Wherein, if the host computer reads first topological data from circuit breaker and higher level circuit breaker, then the host computer confirms that circuit breaker and higher level circuit breaker are in same branch road, and higher level circuit breaker is the higher level of circuit breaker.
In the embodiment of the invention, the first topological characteristic signal generated by the signal generating unit of the circuit breaker can be transmitted to a mutual inductor of the circuit breaker and a mutual inductor of a superior circuit breaker, and can also be transmitted to the mutual inductor of the circuit breaker if the superior circuit breaker is provided with the superior circuit breaker. The mutual inductor of each circuit breaker can sense a first electric signal corresponding to the first topological characteristic signal, and the processor of each circuit breaker can acquire the first electric signal through the respective sampling unit and generate first topological data after analyzing and processing the electric signals.
In summary, in the embodiment of the present invention, a networking instruction is sent to one circuit breaker in a multi-stage branch; acquiring topological data generated by each breaker; and determining the superior-inferior relation between at least one circuit breaker in the same branch circuit according to the topological data. The upper computer sends a networking instruction to the circuit breakers, the circuit breakers can generate topological characteristic signals according to the networking instruction and generate topological data according to the topological characteristic signals, the upper circuit breakers of the circuit breakers can also generate the topological data according to the topological characteristic signals, then the upper computer determines the superior-subordinate relation among the circuit breakers based on the topological data generated by each circuit breaker, a topological network can be generated according to the superior-subordinate relation, and the mode for generating the topological network has the advantages of simplicity, reliability, high efficiency and the like.
Similarly, the host computer can also send the network deployment instruction to subordinate's circuit breaker, and the electric power terminal outlet of circuit breaker is connected with subordinate's circuit breaker's electric power inlet wire end, then circuit breaker and subordinate's circuit breaker all can generate the second topological data, if the host computer all reads first topological data from circuit breaker and subordinate's circuit breaker, then circuit breaker and subordinate's circuit breaker are confirmed at same branch road to the host computer, and the circuit breaker is subordinate's higher level.
Optionally, in S301, sending a networking instruction to one circuit breaker in the multi-stage branch includes: and sending networking instructions to all the circuit breakers in the multistage branch one by one until the circuit breakers are traversed.
In some embodiments, the upper computer sends networking instructions to the communication modules of the circuit breakers in the multi-stage branch one by one in a mode from an upper stage to a lower stage or a mode from the lower stage to the upper stage according to a preset sequence until the plurality of circuit breakers are traversed.
Of course, the upper computer may also send networking instructions to the communication modules of the circuit breakers one by one according to other preset sequences until the circuit breakers are traversed, which is not specifically limited in the embodiments of the present invention.
In addition, when a plurality of circuit breakers are distributed in different branches, the upper computer can firstly traverse the circuit breaker on one branch and then traverse the circuit breaker on the next branch until the circuit breaker on each branch is traversed.
In conclusion, networking instructions are sent to the circuit breakers in the multi-stage branches one by one until the circuit breakers are traversed, so that the topology network of the circuit breakers determined by the upper computer is more complete.
Optionally, after the upper computer reads the topology data once, the upper computer controls each circuit breaker to clear the topology data.
The upper computer sends a networking instruction once, reads topology data once, and controls each circuit breaker to clear the topology data, so that the overlapping of the topology data can be avoided, and the topology network determined by the upper computer is more accurate and reliable.
Fig. 8 is a schematic structural diagram of a topological networking device for a circuit breaker according to the present invention, and as shown in fig. 8, the device may include:
a receiving module 901, configured to receive a networking instruction sent by an upper computer;
the output module 902 is configured to generate and output a first topology characteristic signal according to the networking instruction, so that a superior circuit breaker detects the first topology characteristic signal and generates first topology data;
the obtaining module 903 is configured to obtain a first electrical signal, analyze the first electrical signal, and generate the first topology data.
Optionally, the apparatus further comprises:
the first acquisition module is used for acquiring a second electric signal according to a second topological characteristic signal output by the lower-level circuit breaker;
the processing module is used for analyzing and processing the second electric signal and generating second topological data; wherein the lower level circuit breaker is configured to generate the second topology data according to the second topology characteristic signal.
Fig. 9 is a schematic structural diagram of a topological networking device of a circuit breaker according to the present invention, and as shown in fig. 9, the device may include:
optionally, the sending module 1101 is configured to send a networking instruction to one circuit breaker in the multi-stage branch;
an obtaining module 1102, configured to obtain topology data generated by each breaker;
a determining module 1103, configured to determine, according to the topology data, an upper-lower level relationship between at least one circuit breaker in the same branch.
Optionally, the sending module 1101 is further configured to send networking instructions to each circuit breaker in the multi-stage branch one by one until the plurality of circuit breakers are traversed.
Optionally, the apparatus further comprises:
and the control module is used for controlling the zero clearing topology data of each circuit breaker after the topology data is read once.
The above-mentioned apparatus is used for executing the method provided by the foregoing embodiment, and the implementation principle and technical effect are similar, which are not described herein again.
These above modules may be one or more integrated circuits configured to implement the above methods, such as: one or more Application Specific Integrated Circuits (ASICs), or one or more microprocessors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs), among others. For another example, when one of the above modules is implemented in the form of a processing element scheduler code, the processing element may be a general-purpose processor, such as a Central Processing Unit (CPU) or other processor capable of calling program code. For another example, these modules may be integrated together and implemented in the form of a system-on-a-chip (SOC).
Fig. 10 is a schematic structural diagram of a circuit breaker according to the present invention, and as shown in fig. 10, the circuit breaker may include: a processor 1021 and a memory 1202, the memory having stored thereon a computer program executable by the processor, the processor implementing the method of any of the above-mentioned fig. 5 to 6 when executing the computer program.
The circuit breaker may further include a sampling unit, a signal generating unit, and the like in the circuit breaker illustrated in any one of fig. 1 and fig. 3, which may specifically refer to the above description, and details are not repeated here.
Fig. 11 is a schematic structural diagram of an upper computer provided in the present invention, and as shown in fig. 11, the circuit breaker may include: a processor 1301 and a memory 1302, the memory having stored thereon a computer program executable by the processor, the processor implementing the method described above with reference to fig. 7 when executing the computer program.
The specific implementation and technical effects are similar, and are not described herein again.
Optionally, the present invention also provides a program product, such as a computer readable storage medium, comprising a program which, when executed by a processor, is adapted to perform the method embodiments described in fig. 5 to 6, or fig. 7.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a U disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (14)
1. A circuit breaker, characterized in that the circuit breaker comprises: circuit breaker body, mutual-inductor, control panel and communication module, the mutual-inductor communication module with the control panel all set up in on the circuit breaker body, be provided with on the control panel: the device comprises a processor, a sampling unit and a signal generating unit; the output end of the sampling unit and the control end of the signal generating unit are respectively electrically connected with the processor;
the secondary winding of the mutual inductor is electrically connected with the input end of the sampling unit, and the communication module is connected with the control board and is electrically connected with the processor on the control board;
the primary winding of the mutual inductor is used for connecting an electric power inlet end of the circuit breaker and an electric power outlet end of the circuit breaker, the output end of the signal generating unit is further connected with the electric power outlet end of the circuit breaker, and the communication module is used for connecting an upper computer.
2. The circuit breaker of claim 1, wherein a power inlet terminal of the circuit breaker is connected to a grid device; and the power outlet end of the circuit breaker is connected with an electric load through the power line.
3. The circuit breaker of claim 1, wherein the power inlet terminal of the circuit breaker is connected to the power outlet terminal of a superior circuit breaker; and the electric power outlet end of the circuit breaker is connected with the electric power inlet end of a subordinate circuit breaker through the power line.
4. The circuit breaker according to any one of claims 1-3, wherein said control board further comprises: a power supply unit; the processor, the signal generation unit and the sampling unit are electrically connected with the power supply unit respectively.
5. The circuit breaker according to claim 4, characterized in that said power supply unit is electrically connected to the secondary winding of said transformer or to the power inlet of said circuit breaker, respectively.
6. The circuit breaker according to any one of claims 1-3, wherein said communication module comprises: a power line carrier communication module and/or an RS485 module.
7. A topological network of circuit breakers, comprising: a plurality of circuit breakers as claimed in any one of claims 1 to 6, said plurality of circuit breakers forming a multi-stage branch circuit;
the communication module of each circuit breaker is connected with an upper computer; among the plurality of circuit breakers, the first-stage circuit breaker is connected with the power grid equipment, the last-stage circuit breaker is connected with the power load, and the power inlet end of the next-stage circuit breaker is connected with the power outlet end of the previous-stage circuit breaker.
8. A topological networking method for circuit breakers, wherein the topological networking method is applied to circuit breakers, and the circuit breakers are any circuit breakers in the topological network of claim 7, and the method comprises the following steps:
receiving a networking instruction sent by an upper computer;
generating and outputting a first topological characteristic signal according to the networking instruction, so that a superior circuit breaker detects the first topological characteristic signal and generates first topological data;
and acquiring a first electric signal, and analyzing and processing the first electric signal to generate the first topological data.
9. The method of claim 8, further comprising:
acquiring a second electrical signal according to a second topological characteristic signal output by the lower-level circuit breaker;
analyzing and processing the second electric signal and generating second topological data; wherein the lower level circuit breaker is configured to generate the second topology data according to the second topology characteristic signal.
10. A topological networking method for circuit breakers, which is applied to the upper computer in the topological network of claim 7, and the method comprises:
sending a networking instruction to the circuit breakers in the multistage branch;
acquiring topology data generated by each breaker;
and determining the superior-inferior relation between at least one circuit breaker in the same branch circuit according to the topological data.
11. The method of claim 10, wherein sending networking instructions to circuit breakers in the multi-stage branch comprises:
and sending the networking instruction to each circuit breaker in the multistage branch one by one until the plurality of circuit breakers are traversed.
12. The method of claim 10, further comprising:
and after the upper computer reads the topology data once, the upper computer controls the zero clearing topology data of each circuit breaker.
13. A topological networking device for circuit breakers, wherein the circuit breaker is any circuit breaker in the topological network according to claim 7, and the device comprises:
the receiving module is used for receiving a networking instruction sent by the upper computer;
the output module is used for generating and outputting a first topological characteristic signal according to the networking instruction, so that a superior circuit breaker detects the first topological characteristic signal and generates first topological data;
the acquisition module is used for acquiring a first electric signal, analyzing and processing the first electric signal and generating the first topological data.
14. A topology networking device of circuit breaker, characterized in that, it is applied to the upper computer in the topology network of the above claim 7, the device includes:
the sending module is used for sending a networking instruction to one circuit breaker in the multistage branch;
the acquisition module is used for acquiring the topology data generated by each breaker;
and the determining module is used for determining the superior-inferior relation between at least one circuit breaker in the same branch circuit according to the topological data.
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