CN111371063A

CN111371063A - Circuit breaker, and method and device for automatically adapting to topological signals

Info

Publication number: CN111371063A
Application number: CN202010134524.5A
Authority: CN
Inventors: 王岚欣; 魏曦; 于波; 丰带君; 蒋爱贤; 徐渡江
Original assignee: Shanghai Liangxin Electrical Co Ltd
Current assignee: Shanghai Liangxin Electrical Co Ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-07-03
Anticipated expiration: 2040-02-28
Also published as: CN111371063B

Abstract

The application provides a circuit breaker, and a method and a device for automatically adapting to a topological signal, and relates to the technical field of circuit breakers. The circuit breaker includes: circuit breaker body, mutual-inductor, control panel, wherein: the mutual-inductor with the control panel sets up respectively on the circuit breaker body, the control panel includes: the device comprises a processor, a communication unit, a detection unit and a first memory; the communication unit, the detection unit and the memory are electrically connected with the processor respectively; the detection unit is further electrically connected with the mutual inductor, the mutual inductor is used for connecting topological equipment and a power line, the communication unit is used for connecting an upper computer, and the upper computer is control equipment of the topological equipment. Compared with the prior art, the problem that the distribution topology cannot be automatically identified when equipment is replaced due to the fact that topology signals of various manufacturers are inconsistent and no uniform identification standard exists is avoided.

Description

Circuit breaker, and method and device for automatically adapting to topological signals

Technical Field

The application relates to the technical field of circuit breakers, in particular to a circuit breaker, and a method and a device for automatically adapting to topological signals.

Background

The power distribution network is composed of overhead lines, cables, towers, distribution transformers, isolating switches, reactive power compensators, a plurality of accessory facilities and the like, and plays a role in distributing electric energy in the power network. A complete and reliable network topology model is the basis of operation and maintenance of the power distribution network, and the realization of topology identification is a key technology.

The topological relation in early power distribution network topology identification mainly depends on manual entry, and the condition of entry error or untimely updating often occurs. At present, some smart power grids adopt an automatic identification technology to identify topological signals.

However, in the automatic identification technology, the topology signals of each manufacturer are inconsistent and the topology signals of each manufacturer do not have a uniform identification standard, so that the situation that automatic identification cannot be performed during equipment replacement occurs.

Disclosure of Invention

The purpose of the present application is to provide a method and an apparatus for automatically adapting to a topology signal of a circuit breaker, so as to solve the problem that the topology signal of each manufacturer is inconsistent and does not have a uniform identification standard in the prior art, which results in the problem that automatic identification cannot be performed when equipment is replaced.

In order to achieve the above purpose, the technical solutions adopted in the embodiments of the present application are as follows:

in a first aspect, an embodiment of the present application provides a circuit breaker, including: circuit breaker body, mutual-inductor, control panel, wherein:

the mutual-inductor with the control panel sets up respectively on the circuit breaker body, the control panel includes: the device comprises a processor, a communication unit, a detection unit and a first memory; the communication unit, the detection unit and the first memory are electrically connected with the processor respectively; the first memory is used for storing preset topological characteristics of at least one type;

the detection unit is further electrically connected with the mutual inductor, the mutual inductor is used for connecting topological equipment and a power line, the communication unit is used for connecting an upper computer, and the upper computer is control equipment of the topological equipment.

Optionally, the control board further comprises: and the physical key is electrically connected with the processor and is used for controlling the working mode of the circuit breaker.

Optionally, the circuit breaker further comprises: the display screen, the display screen sets up on the circuit breaker body, the display screen with the treater is connected, it has virtual button to show on the display screen, virtual button is used for controlling the mode of circuit breaker.

Optionally, the communication unit is further configured to connect a second memory, where the second memory is configured to store at least one preset type of topology feature.

In a second aspect, another embodiment of the present application provides a method for automatically adapting a topology signal, which is applied to the circuit breaker in any of the above first aspects, and the method includes:

acquiring a topological signal of the topological equipment induced by the mutual inductor through the detection unit;

carrying out topology feature identification on the topology signals to obtain the topology features of the topology signals;

and comparing the topological characteristics of the topological signals with at least one preset type of topological characteristics, and judging whether the topological signals are to-be-networked topological signals according to the comparison result.

Optionally, before the obtaining, by the detection unit, the topology signal of the topology device sensed by the transformer, the method further includes:

acquiring a topological signal to be stored, which is sensed by the mutual inductor, through the detection unit;

carrying out topology feature identification on the topology signal to be stored to obtain the topology feature to be stored;

and the processor stores the topological features to be stored.

Optionally, the obtaining, by the processor, a topology signal to be stored, which is sensed by the transformer, by the detection unit includes:

and responding to a received learning function starting instruction, and acquiring the topology signal to be stored, which is sensed by the mutual inductor, by the processor through the detection unit.

Optionally, the processor acquires the current signal of the type to be identified, which is sensed by the transformer, through the detection unit;

and the processor filters the power grid current signals in the current signals of the type to be identified to obtain the topology signals to be stored.

Optionally, the topological feature of the topological signal includes at least one of the following features: signal amplitude, signal width, signal period and signal number;

correspondingly, each preset type of topological feature comprises at least one of the following features: signal amplitude, signal width, signal period, and signal number.

Optionally, the learning function starting instruction is an instruction sent by the upper computer through the communication unit, or a learning instruction triggered by key operation.

In a third aspect, another embodiment of the present application further provides an apparatus for automatically adapting a topology signal, where the apparatus includes: detection module, identification module and contrast module, wherein:

the detection module is used for acquiring a topological signal of the topological equipment induced by the mutual inductor through the detection unit;

the identification module is used for identifying the topological characteristics of the topological signals to obtain the topological characteristics of the topological signals;

the comparison module is used for comparing the topological features of the topological signals with at least one preset type of topological features and judging whether the topological signals are to-be-networked topological signals according to the comparison result.

Optionally, the device further includes an uploading module, configured to upload the topology signal to the upper computer through the communication unit if the topology signal is a topology signal to be networked.

Optionally, the apparatus further comprises: the device comprises an acquisition module and a storage module, wherein:

the acquisition module is used for acquiring the topological signal to be stored, which is sensed by the mutual inductor, through the detection unit;

the identification module is used for identifying the topological characteristics of the topological signals to be identified to obtain the topological characteristics to be stored;

and the storage module is used for storing the topological features to be stored.

Optionally, the obtaining module is further configured to respond to a received learning function starting instruction, and obtain, through the detecting unit, the topology signal to be stored, which is sensed by the transformer.

Optionally, the apparatus further comprises: a filtering module, wherein:

the acquisition module is further used for acquiring the current signal of the type to be identified, which is sensed by the mutual inductor, through the detection unit;

and the filtering module is used for filtering the power grid current signals in the current signals of the type to be identified to obtain the topology signals to be stored.

Optionally, the obtaining module is further configured to obtain the preset at least one type of topological feature from a second memory connected to the communication unit.

Adopt the circuit breaker that this application provided, including circuit breaker body, mutual-inductor, control panel, wherein, the control panel includes: the device comprises a processor, a communication unit, a detection unit and a first memory; the detection unit is respectively and electrically connected with the processor and the mutual inductor, the mutual inductor is connected with the topology equipment and the power line, and the communication unit is connected with the upper computer, so that the processor can directly judge whether the topology signal sent by the topology equipment is the topology signal to be accessed to the network according to the topology characteristics of the topology signal sent by the topology equipment detected by the detection unit and the topology characteristics stored in the memory, therefore, by adopting the circuit breaker with the structure, the problem that the topology signals of the topology equipment of each manufacturer are inconsistent and cannot be identified due to the fact that the unified identification standard does not exist and the like can be avoided, and automatic identification of the topology signal of the topology equipment is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required 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 application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a circuit breaker according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a circuit breaker according to another embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a circuit breaker according to another embodiment of the present application;

fig. 4 is a flowchart illustrating a method for automatically adapting a topology signal according to an embodiment of the present application;

fig. 5 is a flowchart illustrating a method for automatically adapting a topology signal according to another embodiment of the present application;

fig. 6 is a flowchart illustrating a method for automatically adapting a topology signal according to yet another embodiment of the present application;

fig. 7 is a schematic structural diagram of an apparatus for automatically adapting a topology signal according to an embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments.

Fig. 1 is a schematic structural diagram of a circuit breaker according to an embodiment of the present application, and as shown in fig. 1, the circuit breaker 100 includes: a circuit breaker body 110, a transformer 120, and a control board 130; wherein:

the transformer 120 and the control board 130 are respectively provided on the circuit breaker body 110, and the control board 130 includes: processor 131, communication unit 132, detection unit 133, first memory 134; the communication unit 132, the detection unit 133 and the first memory 134 are each electrically connected to the processor 131.

The detection unit 133 is further electrically connected to the transformer 120, the transformer 120 is used for connecting the topology device 140 and the power line 150, and the communication unit 132 is used for connecting an upper computer, which is a control device of the topology device 140. The topology device 140 may be any type of device in a power distribution network.

The detection unit 133 may detect the signal of the topology device 140 collected by the transformer 120, and send the detected signal to the processor 131. Since the topology signals have many forms, only if the topology signals meeting the preset requirement with the topology characteristics of the topology signals pre-stored in the first memory are the topology signals allowed to access the network, that is, the topology signals to be accessed, the processor 131 may perform topology characteristic identification on the received signals, compare the identified topology characteristics with the characteristic values of the topology signals stored in the first memory 134, and determine whether the current topology signals are the topology signals allowed to access the network. If the received topological signal is a topological signal allowing network access, the received topological signal can be uploaded to an upper computer; on the contrary, if the topology signal is not the topology signal to be accessed, i.e. the strange topology signal, the processing is not performed, so that the automatic identification of the topology signal of the topology device 140 is realized.

Optionally, the characteristic of the topological signal may include at least one of: the processor 131 may determine that the currently acquired topology signal is a topology signal allowed to enter the network if the identified topology feature is consistent with the pre-stored topology feature in the process of comparing the identified topology feature of the currently acquired topology signal with the topology feature in the first memory 134. The specific comparison rule may be designed according to the user requirement, and is not limited to the above embodiment, and may also be set to at least three features, or the comparison of other numbers of features is consistent to be a topology signal allowing network entry, which is not limited herein.

Optionally, the upper computer that receives the topology signal uploaded by the processor 131 and the upper computer that controls the topology device 140 may be the same upper computer or different upper computers, and may be specifically designed according to the user needs.

Adopt the circuit breaker that this application provided, including circuit breaker body, mutual-inductor, control panel, wherein, the control panel includes: the device comprises a processor, a communication unit, a detection unit and a first memory; the detection unit is respectively and electrically connected with the processor and the mutual inductor, the mutual inductor is connected with the topological equipment and the power line, and the communication unit is connected with the upper computer, so that the processor can directly judge whether the topological signal sent by the topological equipment is the topological signal to be connected according to the topological characteristic of the topological signal sent by the topological equipment detected by the detection unit and the topological characteristic of the topological signal stored in the first memory.

On the basis of the above fig. 1, the embodiment of the present application further provides another circuit breaker. Fig. 2 is a schematic structural diagram of a circuit breaker according to another embodiment of the present application, and as shown in fig. 2, the control board 130 further includes: physical keys 135, the physical keys 135 being electrically connected to the processor 131.

Wherein, the physical key 135 can be used to control the operation mode of the circuit breaker 100, in an embodiment of the present application, the operation mode of the circuit breaker 100 can include: a learning mode and an application mode. For example, when the physical key 135 is pressed, the operation mode of the circuit breaker 100 is the learning mode, and the topology to be learned signal is transmitted by the topology device to be learned. The processor 131 obtains the current signal induced by the transformer 120 through the detection unit 133, and obtains the topology signal to be learned after filtering the grid current signal. The processor 131 identifies topological features of the feature signal to be learned, including but not limited to at least one of the following: signal amplitude, signal pulse width, signal frequency, signal period, number of signals, etc., and records the characteristics in the first memory 134. The first memory 134 in the circuit breaker 100 can store the topology characteristics identified in the learn mode in the event of a power outage. In the learning mode, the topological signal to be learned of the topological equipment is the preset topological signal. Subsequently, in the application mode, only the signals whose topology features are identified to be consistent with the corresponding topology features in the first memory 134 are satisfactory, and the networking is allowed. The first memory 134 may record topological characteristics of the plurality of topological signals. For example, the circuit interrupter 100 may be in the application mode when the physical key 135 is flipped up or pressed again.

On the basis of the above fig. 1, the embodiment of the present application further provides another circuit breaker. Fig. 3 is a schematic structural diagram of a circuit breaker according to another embodiment of the present application, and as shown in fig. 3, the circuit breaker 100 may further include: and a display screen 160, wherein the display screen 160 is disposed on the circuit breaker body 110, the display screen 160 is connected to the processor 131, and a virtual key 161 is displayed on the display screen 160.

The virtual key 161 is used to control the working mode of the circuit breaker 100, and if the virtual key 161 is pressed, the current working mode of the circuit breaker 100 is in the learning mode, and the specific working mode of the learning mode is the same as that given in the embodiment of fig. 2, and is not described herein again.

Optionally, in another embodiment of the present application, the topology characteristics corresponding to the topology signals identified in the learning mode may also be stored in a second memory of the peripheral device, and the communication unit 132 is further connected to the second memory.

Optionally, the second memory may be a memory disposed in the upper computer, or may also be a separately disposed memory, and the specific setting manner and setting position of the second memory may be adjusted according to a user requirement, which is not limited herein.

By the aid of the circuit breaker, when the key is pressed, the circuit breaker can enter a learning state, at the moment, the topology equipment to be learned sends a topology signal to be learned, the processor acquires a current signal of the topology equipment to be learned through the detection unit, and the topology signal to be learned is obtained after the current signal of the power grid is filtered. The processor identifies the topological characteristics of the characteristic signals to be learned, records the characteristics in the memory, and stores the characteristics in a power-off mode, wherein in the learning mode, the topological signals and the topological characteristic signals recorded in the memory are preset signals, when the physical key 135 bounces or is pressed again, the learning mode of the circuit breaker is stopped, and in the application mode, the processor only needs to compare the received topological characteristics of the topological signals with the preset topological characteristics in the memory, and only the topological signals with the same topological characteristics as the corresponding topological characteristics in the memory meet the requirements, so that the network access is allowed. Therefore, the switching between the learning mode and the using mode is realized, and the automatic identification function of the topological signal is realized.

Fig. 4 is a schematic flowchart of a method for automatically adapting a topology signal according to an embodiment of the present application, which is applied to any one of the circuit breakers provided in fig. 1 to 3, and an execution subject may be a processor of the circuit breaker, as shown in fig. 4, where the method includes:

s201: and acquiring a topology signal of the topology equipment induced by the mutual inductor through the detection unit.

The topology device is an external device, and is controlled by the upper computer, and sends out a corresponding topology signal according to a control instruction sent by the upper computer, and the topology signal sent by the topology device is acquired by the detection unit and then sent to the processor.

S202: and carrying out topology feature identification on the topology signals to obtain the topology features of the topology signals.

After the processor acquires the topology signals sent by the detection unit, the processor identifies the topology signals to obtain topology characteristics corresponding to the topology signals, and the topology characteristics corresponding to different topology signals may be the same or different or may be partially the same and partially different.

S203: and comparing the topological characteristics of the topological signals with at least one preset type of topological characteristics, and judging whether the topological signals are to-be-networked topological signals according to the comparison result.

The preset at least one type of topological feature is stored in the memory, and can be added or deleted according to the user requirement, and only the topological signal meeting the preset requirement by feature comparison is the topological signal to be accessed to the network.

Optionally, in an embodiment of the present application, if the topology signal is a to-be-networked topology signal, step S204 is executed: and uploading the topology signals to an upper computer through a communication unit.

Optionally, only when the topology characteristics of the topology signals are the same as at least one preset type of topology characteristics, the topology signals are topology signals to be accessed, otherwise, the topology signals are not topology signals to be accessed, the processor does not process the topology signals, that is, the topology signals which are not to be accessed are not required to be uploaded to the upper computer. During specific comparison, the comparison mode can be that the topological signal is the topological signal to be accessed under the condition that the topological characteristic corresponding to the current topological signal is the same as each topological characteristic of the preset type; or under the condition that at least two topological characteristics are the same, the topological signal is the topological signal to be accessed to the network; the specific comparison mode can be designed according to the needs of users, and the application is not limited herein.

By adopting the method for automatically adapting the topological signals, the processor acquires the topological signals of the topological equipment induced by the mutual inductor through the detection unit, identifies the topological signals, compares the identified topological characteristics with preset topological characteristics, determines the topological signals to be accessed to the network if the comparison meets preset requirements, and uploads the topological signals to the upper computer through the communication unit.

Fig. 5 is a schematic flowchart of a method for automatically adapting a topology signal according to another embodiment of the present application, and fig. 5 provides a specific learning method and a specific flowchart of a circuit breaker in a learning mode before an application mode. As shown in fig. 5, before S201, the method further includes:

s206: and acquiring a topological signal to be stored, which is sensed by the mutual inductor, through the detection unit.

And the processor acquires the topology signal to be stored sensed by the mutual inductor through the detection unit in response to the received learning function starting instruction.

Optionally, the learning function starting instruction may be triggered by a physical key, may also be triggered by a virtual key, and may also be triggered by a control instruction sent by an upper computer received by the communication unit, and a specific triggering manner may be designed according to a user requirement, which is not limited herein.

Optionally, the host computer of control circuit breaker and the host computer of control topology equipment can be same host computer, also can be different host computers, specifically designs according to user's needs, and this application does not do any restriction here.

S207: and carrying out topology feature identification on the topology signal to be stored to obtain the topology feature to be stored.

Optionally, the topological feature of the topological signal comprises at least one of: signal amplitude, signal width, signal period and signal number;

S208: and storing the topological features to be stored.

Optionally, the storage manner may be that a number corresponding to the topology signal to be stored and the topology feature are stored together, the number may be that the number corresponds to the topology signal according to a preset rule, or that the number corresponds to the topology signal randomly.

Fig. 6 is a flowchart illustrating a method for automatically adapting a topology signal according to yet another embodiment of the present application, and as shown in fig. 6, S201 may include:

s209: and responding to the received learning function instruction, and the processor acquires the current signal of the type to be identified through the detection unit.

The current signal of the type to be identified, which is sensed by the mutual inductor, comprises: a grid current signal and a topological characteristic signal.

S210: and filtering the power grid current signals in the current signals of the type to be identified to obtain topology signals to be stored.

Optionally, the preset storage manner and the storage position of at least one type of topological feature may be: directly stored in a first memory internal to the circuit breaker; the information may also be stored in the second memory of the external device through the communication unit, and the specific storage location and storage manner may be designed according to the user's needs, which is not limited herein.

By adopting the method for automatically adapting the topological signals, the processor responds to the received learning function starting instruction, and acquires the topological signals to be stored, which are sensed by the mutual inductor, through the detection unit; and after the characteristic value corresponding to the topological signal is obtained, the characteristic value is stored in a memory. When the learning function is terminated and the circuit breaker is in normal use, after the detection unit acquires the topology signal of the topology equipment induced by the mutual inductor, identifying the topological signal, comparing the identified topological characteristic with a preset topological characteristic stored in a memory, if the comparison meets a preset requirement, determining the topology signal as a topology signal to be accessed to the network, the processor uploads the topology signal to an upper computer through a communication unit, the identification mode can lead the circuit breaker to realize automatic adaptation of topological signals, automatically carry out comparison according to preset topological characteristics, and the topology signals to be accessed are screened out and uploaded to the upper computer, so that the problem that the topology signals of various manufacturers are inconsistent in the prior art is solved, and the topological signals of various manufacturers do not have a uniform identification standard, so that the problem that the power distribution topology cannot be automatically identified when equipment is replaced occurs.

Fig. 7 is a schematic structural diagram of an apparatus for automatically adapting a topology signal according to an embodiment of the present application, which is applied to any of the circuit breakers provided in fig. 1 to 3, and as shown in fig. 7, the apparatus includes: detection module 301, identification module 302, comparison module 303 and upload module 304, wherein:

the detection module 301 is configured to obtain, through the detection unit, a topology signal of the topology device induced by the transformer.

The identifying module 302 is configured to perform topology feature identification on the topology signal to obtain a topology feature of the topology signal.

The comparison module 303 is configured to compare the topology characteristics of the topology signal with at least one preset type of topology characteristics, and determine whether the topology signal is a to-be-networked topology signal according to a comparison result.

The beneficial effects brought by the above device are similar to those of the method, and are not described herein again.

In the several embodiments provided in the present application, 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 application 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 for enabling a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to perform some steps of the methods according to the embodiments of the present application. 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.

Claims

1. A circuit breaker, characterized in that the circuit breaker comprises: circuit breaker body, mutual-inductor, control panel, wherein:

2. The circuit breaker of claim 1, wherein the control board further comprises: and the physical key is electrically connected with the processor and is used for controlling the working mode of the circuit breaker.

3. The circuit breaker of claim 1, wherein the circuit breaker further comprises: the display screen, the display screen sets up on the circuit breaker body, the display screen with the treater is connected, it has virtual button to show on the display screen, virtual button is used for controlling the mode of circuit breaker.

4. The circuit breaker according to any one of claims 1 to 3, characterized in that said communication unit is also adapted to connect a second memory adapted to store at least one type of topological feature preset.

5. A method for automatically adapting topology signals, applied to a circuit breaker according to any of the preceding claims 1-4, the method comprising:

6. The method of claim 5, wherein prior to said obtaining, by said detection unit, a topology signal of said topological device sensed by said transformer, said method further comprises:

carrying out topology feature identification on the topology signals to be stored to obtain topology features to be stored;

and storing the topological features to be stored.

7. The method of claim 6, wherein the processor obtains the topology signal to be stored sensed by the transformer through the detection unit, and comprises:

responding to a received learning function starting instruction, and acquiring a current signal of a type to be identified by the processor through the detection unit;

and filtering the power grid current signals in the current signals of the type to be identified to obtain the topology signals to be stored.

8. The method according to any of claims 5-7, wherein the topological feature of the topological signal comprises at least one of: signal amplitude, signal width, signal period and signal number;

9. The method as claimed in claim 7, wherein the learning function starting instruction is an instruction sent by the upper computer through the communication unit, or a learning instruction triggered by key operation.

10. An apparatus for automatically adapting a topology signal, the apparatus comprising: detection module, identification module and contrast module, wherein: