CN113495505A - Intelligent switch, server, client and intelligent switch system - Google Patents
Intelligent switch, server, client and intelligent switch system Download PDFInfo
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- CN113495505A CN113495505A CN202010201966.7A CN202010201966A CN113495505A CN 113495505 A CN113495505 A CN 113495505A CN 202010201966 A CN202010201966 A CN 202010201966A CN 113495505 A CN113495505 A CN 113495505A
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- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000001131 transforming effect Effects 0.000 claims description 2
- 230000005856 abnormality Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 6
- 238000013480 data collection Methods 0.000 description 3
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24024—Safety, surveillance
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Abstract
The invention discloses an intelligent switch, a server, a client and an intelligent switch system, wherein the intelligent switch comprises a sensor module, a data acquisition module, a control module, a communication module and an execution module; the data acquisition module is used for acquiring the current data of the sensor module in real time; the communication module is used for carrying out communication connection with the server; the control module determines an alarm reason according to the current data and pre-stored preset data, sends the alarm reason to the server through the communication module, and controls the execution module to operate according to an execution instruction sent by the server. The intelligent switch can sample the circuit in real time, report the reason of alarm in time when the fault occurs, and act in time according to the instruction issued by the server, so that the power failure is limited in the minimum area with the fault, and the reliability of power supply is improved; meanwhile, maintenance personnel can timely look up the fault reasons reported by the intelligent switch through a background monitoring system or a mobile terminal, so that quick maintenance is realized.
Description
Technical Field
The invention relates to the technical field of power supply control, in particular to an intelligent switch, a server, a client and an intelligent switch system.
Background
In a low-voltage power grid, a plurality of protection switches exist, and can be timely disconnected when faults such as short circuit, overload, electric leakage, overvoltage and undervoltage occur on a line, so that the line, electric appliances and personnel are protected. These switches make decisions directly based on the voltage and current of the line and perform corresponding actions. However, in practical applications, these switches have some problems as follows:
1. the specific closed/open state of each switch is not clear.
2. The specific cause of the switch opening is unclear.
3. In many cases, an override trip condition occurs, and the range of influence is extended.
For the maintenance personnel of the power grid, if the disconnection of the switch is not clear, the maintenance is not known; the specific reason for the switch to be opened is not clear, so that the switch cannot be operated fraudulently; override trips can extend the reach of customers, lead to customer complaints, and make maintenance more difficult.
Disclosure of Invention
The invention aims to provide an intelligent switch, a server, a client and an intelligent switch system, and solves the problems that the on-off state and the fault reason of a switch in a power grid cannot be accurately determined, and the large-area power failure is caused by the override trip of the conventional protection switch.
In order to solve the technical problem, according to an aspect of the present invention, an intelligent switch is provided, which includes a sensor module, a data acquisition module, a control module, a communication module and an execution module; the data acquisition module is used for acquiring the current data of the sensor module in real time; the communication module is used for being in communication connection with the server; the control module determines an alarm reason of a circuit according to the current data and pre-stored preset data, sends the alarm reason to the server through the communication module, and controls the execution module to operate according to an execution instruction sent by the server.
Further, the control module is specifically configured to: if the execution instruction is received within the preset time, controlling the execution module to operate according to the execution instruction; if the execution instruction is not received within the preset time, controlling the execution module to operate according to a pre-stored preset instruction; and after receiving the execution instruction after the preset time, controlling the execution module to operate according to preset configuration.
Further, the control module includes: a data transformation unit and a data analysis unit; the data transformation unit is used for transforming the current data to obtain a characteristic data vector; the data analysis unit is used for judging whether the circuit is abnormal according to the characteristic data vector, and if the circuit is abnormal, the data analysis unit analyzes the alarm reason.
Further, the acquisition module is further configured to: after the execution module runs, acquiring the current state information of the sensor module and/or the execution module; the communication module is further configured to: and sending the current state information to the server.
Further, the communication module is further configured to: receiving a control instruction issued by the server; the control module is further configured to: and controlling the execution module to operate according to the control instruction.
According to another aspect of the present invention, there is provided a server connected to at least one intelligent switch of any one of the above embodiments, the server being configured to: storing preset data of a power grid topological structure and a sensor module of the intelligent switch; and sending the preset data to the intelligent switch, analyzing a fault reason and a fault point after receiving an alarm reason sent by the intelligent switch, and sending an execution instruction to the intelligent switch corresponding to the fault point.
Further, the server is further configured to: and sending the alarm reason, the fault point, the fault reason, the execution instruction and the current state information of the intelligent switch to a client, and forwarding an action instruction sent by the client to the intelligent switch.
According to another aspect of the present invention, there is provided a client connected to the server in any one of the above, the client being configured to: and receiving and displaying the alarm reason, the fault point, the fault reason and the current state information of the intelligent switch, which are sent by the server.
Furthermore, the client is also used for receiving an action instruction for the intelligent switch issued by the user and sending the action instruction to the server.
According to another aspect of the present invention, there is provided an intelligent switch system, comprising at least one intelligent switch as described in any one of the above, a server as described in any one of the above, and a client as described in any one of the above.
Compared with the prior art, the invention has obvious advantages and beneficial effects. With the development of communication technology and the gradual popularization of 5G, the wireless communication speed is greatly improved, so that the time delay of the technical scheme is greatly reduced; the technical scheme is feasible; by the technical scheme, the intelligent switch, the server and the intelligent switch system can achieve considerable technical progress and practicability, have wide industrial utilization value and at least have the following advantages:
(1) the intelligent switch can sample the circuit in real time, report the reason of alarm in time when the fault occurs, and act in time according to the instruction issued by the server so as to ensure the safety of electric equipment and personnel.
(2) According to the invention, the power grid topological structure is stored in the server, the fault reason and the fault point can be determined according to the alarm reason reported by the intelligent switch, so that accurate judgment can be made, and an execution instruction can be issued to the intelligent switch in time, so that power failure can be limited in the minimum area with fault, and the reliability of power supply is improved.
(3) The fault reason and the fault point determined by the server are reported to the client, so that maintenance personnel can timely and accurately find the fault point and solve the fault.
Drawings
FIG. 1 is a schematic block diagram of an intelligent switch according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an intelligent switching system according to an embodiment of the invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description will be given to specific embodiments and effects of an intelligent switch, a server, a client and an intelligent switch system according to the present invention with reference to the accompanying drawings and preferred embodiments.
Fig. 1 is a schematic block diagram of an intelligent switch 10 according to an embodiment of the present invention.
As shown in fig. 1, the smart switch 10 includes a sensor module 101, a data acquisition module 102, a control module 103, a communication module 104, and an execution module 105.
Preferably, the sensor module 101 includes a current transformer and a voltage transformer.
The data acquisition module 102 is used for acquiring the current data of the sensor module 101 in real time. Preferably, the current data includes the current and the current voltage of the intelligent switch 10.
In one embodiment, in order to determine the alarm reason of the intelligent switch 10 according to the current data collected by the data collection module 102, as shown in fig. 1, the intelligent switch 10 further includes a storage module 106, and preset data of the sensor module 101, for example, the short-circuit current and the minimum voltage of the sensor module 101, are stored in advance in the storage module 106. Of course, the present application is not limited thereto.
Further, as shown in fig. 1, the storage module 106 includes a storage unit 1061 and a memory unit 1062. The preset data of the sensor is stored in the storage unit 1061, and the current data of the sensor module 101 collected by the data collection module 102 is stored in the storage unit 1062.
Preferably, the preset data of the sensor module 101 stored in the storage unit 1061 is transmitted by the server to the intelligent switch 10 through the communication module 104 of the intelligent switch 10 and stored in the storage unit 1061. Of course, the smart switch 10 may be pre-stored by a worker during installation. The present application is not limited to the storage manner of the preset data.
The control module 103 determines an alarm cause of the circuit, such as a short circuit, or an electric leakage, according to the current data acquired by the data acquisition module 102 and the preset data.
In order to further determine the fault cause of the alarm cause of the circuit, the alarm cause is sent to the server through the communication module 104, and the server determines the fault cause and the fault point according to the stored power grid topology and the upper-lower level relationship of the plurality of intelligent switches 10.
In order to reduce the response time of the intelligent switch 10 after the fault occurs, the server determines at least one intelligent switch 10 connected to the server to execute the instruction according to the fault reason and the fault point, and sends the execution instruction to the intelligent switch 10 through the communication module 104 of the intelligent switch 10 within a preset time. After receiving the execution instruction, the control module 103 controls the execution module 105 to operate according to the execution instruction. For example, if the execution instruction is a disconnection instruction, the control module 103 controls the execution module 105 to disconnect; or the execution instruction is a closing instruction, the control module 103 controls the execution module 105 to close. Preferably, the execution module 105 is a device capable of controlling the on/off of the intelligent switch 10, such as a relay, a thyristor or a cmos (Complementary Metal Oxide Semiconductor).
The communication module 104 may be connected to the server through wired or wireless communication, and since the smart switch 10 of the power supply system is relatively decentralized, the communication module 104 is preferably connected to the server through wireless communication because the wired communication increases the material cost and the installation cost. Furthermore, in order to ensure timely data transmission and shorten the communication time between the intelligent switch 10 and the server, the intelligent switch 10 and the server are in communication connection through a 5G network.
In an embodiment, as shown in fig. 1, the control module 103 includes a data transformation unit 1031 and a data analysis unit 1032.
The data transformation unit 1031 is configured to transform the data format of the current data of the sensor module 101 acquired by the data acquisition module 102, and transform the current data into a feature data vector. So as to facilitate the comparison and analysis of the current data. For example, by S-transform (S-transform) or fourier transform.
The data analysis unit 1032 performs a comparison analysis on the data feature vector and preset data, and determines a cause of an alarm of the circuit.
Further, when the communication module 104 receives an execution instruction sent by the server within a preset time, the control module 103 controls the execution module 105 to operate according to the execution instruction.
When the communication module 104 does not receive the execution instruction sent by the server within the preset time, the control module 103 controls the execution unit to operate according to the prestored preset instruction, so that the corresponding operation can be performed at the first time when the power supply fails, and the safety of the electric equipment and the user is ensured.
When the communication module 104 receives an execution instruction sent by the server after a preset time, the execution module 105 is controlled to operate according to a preset configuration.
Specifically, after receiving an execution instruction sent by the server after a preset time, the execution module 105 is controlled to operate according to the received execution instruction sent by the server, or the alarm reason and the method for controlling the execution module 105 to operate are reported to the client, so that the user can determine how to control, and issue an instruction, and then the execution module 105 is controlled to operate according to the instruction issued by the user through the client.
In an embodiment, a user may issue an action command to the intelligent switch 10 through a client (e.g., APP or a computer monitoring program) through a server, and after the communication module 104 of the intelligent switch 10 receives the action command, the control module 103 controls the execution module 105 to operate according to the action command.
In one embodiment, after the control module 103 controls the execution module 105 to operate, the data collection module 102 collects current status information of the intelligent switch 10, specifically, the status information of the sensor module 101 and/or the execution module 105. The current state information includes, but is not limited to, on-off state of the smart switch 10, voltage, current, power factor, etc.
The communication module 104 sends the current status information acquired by the data acquisition module 102 to the server, and the server sends the current status information to the client. So that the user can know the current state of the intelligent switch 10 in time and further perform subsequent processing.
Another embodiment of the present invention further provides a server, wherein the server is connected with at least one intelligent switch in a communication manner.
The server can be a local server or a cloud server. Considering that the server needs to minimize the time delay for receiving the alarm and the reply action command, it is preferable that the server is physically located closer to the intelligent switch, for example, in the same city.
The server stores preset data of a power grid topological structure and sensor modules of at least one intelligent switch.
The server sends the preset data of the sensor module to the intelligent switch through the communication module of the intelligent module switch, so that the intelligent switch stores the preset data.
After the server receives the alarm reason sent by at least one intelligent switch, the server analyzes the fault reason and the fault point which cause the intelligent switch to send the alarm reason by combining the stored power grid topological structure, determines an execution instruction according to the fault reason, and then sends the execution instruction to the intelligent switch corresponding to the fault point, specifically, the communication module of the intelligent switch corresponding to the fault point sends the execution instruction to the intelligent switch, so that the control module of the intelligent switch controls the execution module to run according to the execution instruction.
In an embodiment, after analyzing the fault reason and the fault point and determining the execution instruction of the intelligent switch corresponding to the fault point, the server sends the alarm reason, the fault point, the fault reason, the execution instruction and the current state of the intelligent switch to the client, so that a user can connect the fault reason and determine whether the execution instruction is accurate according to the fault reason to perform subsequent operations. For example, the failure processing is performed by rapidly reaching the failure point by the failure cause. And sending the action instruction issued by the user through the client to the intelligent switch so that the intelligent switch acts according to the action instruction. The action instructions include, but are not limited to: a close command and an open command.
Another embodiment of the present invention further provides a client connected to any one of the servers, where the client is configured to: and receiving and displaying the alarm reason, the fault point, the fault reason and the current state information of the intelligent switch, which are sent by the server.
Specifically, the client may be a background monitor or a mobile terminal, and more specifically, for example, a monitor installed on a computer or a program installed on a mobile device such as a mobile phone or a tablet computer.
Furthermore, the client is also used for receiving an action instruction for the intelligent switch issued by the user and sending the action instruction to the server. So that the action instruction can be sent to the intelligent switch through the server.
As shown in fig. 2, an embodiment of the present invention provides an intelligent switch system, which includes at least one intelligent switch 10 according to any one of the above embodiments, a server 20 according to any one of the above embodiments, and a client 30 according to any one of the above embodiments.
The invention provides an intelligent switch, a server, a client and an intelligent switch system, wherein the intelligent switch can receive a cloud instruction of the server and perform opening/closing operation; the intelligent switch continuously samples and processes the line in real time, and reports fault reasons and fault waveforms in real time when finding faults; after receiving fault information reported by one or more intelligent switches, the cloud server intelligently judges specific fault reasons and fault points according to a power grid topological structure and the superior-inferior relation of the intelligent switches; after the cloud judges the fault point, the cloud sends a closing/opening instruction to the intelligent switch; the intelligent switch receives the cloud instruction within a limited time period, and then acts according to the cloud instruction; and if the intelligent switch does not receive the cloud instruction in the limited time period, the intelligent switch acts in a traditional protection switching mode.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An intelligent switch is characterized by comprising a sensor module, a data acquisition module, a control module, a communication module and an execution module;
the data acquisition module is used for acquiring the current data of the sensor module in real time;
the communication module is used for being in communication connection with the server;
the control module determines an alarm reason of a circuit according to the current data and pre-stored preset data, sends the alarm reason to the server through the communication module, and controls the execution module to operate according to an execution instruction sent by the server.
2. The intelligent switch of claim 1, wherein the control module is specifically configured to:
if the execution instruction is received within the preset time, controlling the execution module to operate according to the execution instruction;
if the execution instruction is not received within the preset time, controlling the execution module to operate according to a pre-stored preset instruction;
and after receiving the execution instruction after the preset time, controlling the execution module to operate according to preset configuration.
3. The intelligent switch according to claim 1 or 2, wherein the control module comprises: a data transformation unit and a data analysis unit;
the data transformation unit is used for transforming the current data to obtain a characteristic data vector;
the data analysis unit is used for judging whether the circuit is abnormal or not according to the characteristic data vector; and if the abnormality exists, analyzing the alarm reason.
4. The intelligent switch of claim 1, wherein the acquisition module is further configured to: after the execution module runs, acquiring the current state information of the sensor module and/or the execution module;
the communication module is further configured to: and sending the current state information to the server.
5. The intelligent switch of claim 1, wherein the communication module is further configured to: receiving a control instruction issued by the server;
the control module is further configured to: and controlling the execution module to operate according to the control instruction.
6. A server, characterized in that it is connected to at least one intelligent switch according to any one of claims 1-5, for storing preset data of the grid topology and the sensor modules of said intelligent switch; and sending the preset data to the intelligent switch, analyzing a fault reason and a fault point after receiving an alarm reason sent by the intelligent switch, and sending an execution instruction to the intelligent switch corresponding to the fault point.
7. The server of claim 6, further configured to: and sending the alarm reason, the fault point, the fault reason, the execution instruction and the current state information of the intelligent switch to a client, and forwarding an action instruction sent by the client to the intelligent switch.
8. A client connected to the server of claim 7, the client configured to: and receiving and displaying the alarm reason, the fault point, the fault reason and the current state information of the intelligent switch, which are sent by the server.
9. The client as claimed in claim 8, further configured to receive an action command issued by a user to the smart switch, and send the action command to the server.
10. An intelligent switching system comprising the intelligent switch of any one of claims 1 to 5, the server of any one of claims 6 to 7, and the client of any one of claims 8 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010201966.7A CN113495505A (en) | 2020-03-20 | 2020-03-20 | Intelligent switch, server, client and intelligent switch system |
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| CN202010201966.7A CN113495505A (en) | 2020-03-20 | 2020-03-20 | Intelligent switch, server, client and intelligent switch system |
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Cited By (1)
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| CN114531441A (en) * | 2022-01-11 | 2022-05-24 | 南京博联智能科技有限公司 | Multifunctional intelligent panel form conversion method and system based on dynamic configuration |
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