CN111446703A - Method and device for molded case circuit breaker based on intelligent Internet of things - Google Patents
Method and device for molded case circuit breaker based on intelligent Internet of things Download PDFInfo
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- CN111446703A CN111446703A CN202010355374.0A CN202010355374A CN111446703A CN 111446703 A CN111446703 A CN 111446703A CN 202010355374 A CN202010355374 A CN 202010355374A CN 111446703 A CN111446703 A CN 111446703A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/263—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of measured values
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a method and a device for a molded case circuit breaker based on an intelligent Internet of things, which relate to the technical field of data processing and comprise the following steps: obtaining a first current of the protected circuit; obtaining the rated current of the protected circuit; judging whether the first current exceeds the rated current or not; if the first current exceeds the rated current, judging whether first alarm information sent by the circuit protection device is received or not, wherein the first alarm information is used for indicating that the circuit protection device is in a switching-off state; and if first alarm information sent by the circuit protection device is not received, first instruction information is obtained, and the first instruction information is used for controlling the circuit protection device to be in a brake-off state. The protection circuit has the advantages that the circuit breaker can be remotely protected from a fault, so that the safety of the protected circuit is improved, double protection is formed, and the technical effect of the protection effect is improved.
Description
Technical Field
The application relates to the technical field of data processing, in particular to a method and a device for a molded case circuit breaker based on an intelligent Internet of things.
Background
Distribution of electricity is an extremely important link in the generation, transmission and use of electricity. Power distribution systems include transformers and various high and low voltage electrical devices, wherein circuit breakers are commonly used for power distribution to distribute electrical energy for overload and short circuit protection of lines and power equipment.
However, in the process of implementing the technical solution in the embodiment of the present application, the inventor of the present application finds that the above prior art has at least the following technical problems:
the circuit breaker among the prior art often can not carry out remote operation and control, then can't carry out the technical problem of protection to the circuit when the circuit breaker breaks down.
Disclosure of Invention
The embodiment of the application provides a method and a device for a molded case circuit breaker based on an intelligent Internet of things, and the method and the device are used for solving the technical problems that the circuit breaker in the prior art cannot be operated and monitored remotely, and the circuit cannot be protected when the circuit breaker breaks down.
In order to solve the above problem, in a first aspect, an embodiment of the present application provides a method for a molded case circuit breaker based on an intelligent internet of things, where the method includes: by obtaining a first current of the protected circuit; obtaining the rated current of the protected circuit; judging whether the first current exceeds the rated current or not; if the first current exceeds the rated current, judging whether first alarm information sent by the circuit protection device is received or not, wherein the first alarm information is used for indicating that the circuit protection device is in a switching-off state; and if first alarm information sent by the circuit protection device is not received, first instruction information is obtained, and the first instruction information is used for controlling the circuit protection device to be in a brake-off state.
Preferably, if first alarm information sent by the circuit protection device is not received, obtaining first instruction information, where the first instruction information is used to control the circuit protection device to be in the open state, the method further includes: acquiring the number information of the circuit protection device; and acquiring first fault information according to the number information, wherein the first fault information is used for prompting that the circuit protection device corresponding to the number information has faults.
Preferably, the circuit protection device is provided with a resistance testing device, and after determining whether first alarm information sent by the circuit protection device is received or not if the first current exceeds the rated current, the method includes: if first alarm information sent by the circuit protection device is received, a first resistance value of the protected circuit is obtained through the resistance testing device; and judging the fault type of the protected circuit according to the first resistance value.
Preferably, the method further comprises: respectively obtaining the occurrence time of the first alarm information, the first instruction information and the first fault information; and recording and storing the occurrence time.
Preferably, the method further comprises: obtaining the rated current of the protected circuit; obtaining a first adjusting instruction according to the rated current; and adjusting the setting current value of the circuit protection device according to the first adjusting instruction.
Preferably, the method further comprises: and if the first current is reduced to be lower than the rated current, second instruction information is obtained, and the second instruction information is used for controlling the circuit protection device to be in a closing state.
Preferably, the circuit protection device has a temperature sensor, and the method includes: obtaining the real-time temperature of the environment where the circuit protection device is located; obtaining a predetermined temperature threshold; judging whether the real-time temperature of the environment where the circuit protection device is located is within the preset temperature threshold value or not; and if the real-time temperature of the environment where the circuit protection device is located is not within the preset temperature threshold, obtaining third instruction information, wherein the third instruction information is used for controlling the circuit protection device to be in a switching-off state.
In a second aspect, an embodiment of the present application further provides a device based on an intelligent internet of things molded case circuit breaker, the device includes:
a first obtaining unit for obtaining a first current of the protected circuit;
a second obtaining unit for obtaining a rated current of the protected circuit;
a first judging unit for judging whether the first current exceeds the rated current;
the second judging unit is used for judging whether first alarm information sent by the circuit protection device is received or not if the first current exceeds the rated current, and the first alarm information is used for indicating that the circuit protection device is in a switching-off state;
and the third obtaining unit is used for obtaining first instruction information if first alarm information sent by the circuit protection device is not received, and the first instruction information is used for controlling the circuit protection device to be in a switching-off state.
Preferably, the apparatus further comprises:
a fourth obtaining unit configured to obtain number information of the circuit protection device;
and the fifth obtaining unit is used for obtaining first fault information according to the number information, and the first fault information is used for prompting that the circuit protection device corresponding to the number information has faults.
Preferably, the apparatus further comprises:
a sixth obtaining unit, configured to obtain, by the resistance testing device, a first resistance value of the protected circuit if first alarm information sent from the circuit protection device is received;
and the third judging unit is used for judging the fault type of the protected circuit according to the first resistance value. Preferably, the apparatus further comprises:
a seventh obtaining unit, configured to obtain occurrence times of the first alarm information, the first instruction information, and the first fault information, respectively;
and the first storage unit is used for recording and storing the occurrence time.
Preferably, the apparatus further comprises:
an eighth obtaining unit configured to obtain a rated current of the protected circuit;
a ninth obtaining unit, configured to obtain a first adjustment instruction according to the rated current;
and the first adjusting unit is used for adjusting the setting current value of the circuit protection device according to the first adjusting instruction.
Preferably, the apparatus further comprises:
a tenth obtaining unit, configured to obtain second instruction information if the first current is reduced to be lower than the rated current, where the second instruction information is used to control the circuit protection device to be in a closing state.
Preferably, the apparatus further comprises:
a seventh obtaining unit, configured to obtain a real-time temperature of an environment in which the circuit protection device is located;
an eighth obtaining unit for obtaining a predetermined temperature threshold;
a fourth judging unit, configured to judge whether a real-time temperature of an environment where the circuit protection device is located is within the predetermined temperature threshold;
a ninth obtaining unit, configured to obtain third instruction information if a real-time temperature of an environment where the circuit protection device is located is not within the predetermined temperature threshold, where the third instruction information is used to control the circuit protection device to be in an open state.
In a third aspect, an embodiment of the present application further provides an apparatus for a molded case circuit breaker based on an intelligent internet of things, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the following steps when executing the program: by obtaining a first current of the protected circuit; obtaining the rated current of the protected circuit; judging whether the first current exceeds the rated current or not; if the first current exceeds the rated current, judging whether first alarm information sent by the circuit protection device is received or not, wherein the first alarm information is used for indicating that the circuit protection device is in a switching-off state; and if first alarm information sent by the circuit protection device is not received, first instruction information is obtained, and the first instruction information is used for controlling the circuit protection device to be in a brake-off state.
In a fourth aspect, an embodiment of the present application further provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the following steps: by obtaining a first current of the protected circuit; obtaining the rated current of the protected circuit; judging whether the first current exceeds the rated current or not; if the first current exceeds the rated current, judging whether first alarm information sent by the circuit protection device is received or not, wherein the first alarm information is used for indicating that the circuit protection device is in a switching-off state; and if first alarm information sent by the circuit protection device is not received, first instruction information is obtained, and the first instruction information is used for controlling the circuit protection device to be in a brake-off state.
One or more technical solutions in the embodiments of the present application have at least one or more of the following technical effects:
the embodiment of the application provides a method and a device for a molded case circuit breaker based on an intelligent Internet of things, and the method comprises the following steps: by obtaining a first current of the protected circuit; obtaining the rated current of the protected circuit; judging whether the first current exceeds the rated current or not; if the first current exceeds the rated current, judging whether first alarm information sent by the circuit protection device is received or not, wherein the first alarm information is used for indicating that the circuit protection device is in a switching-off state; and if first alarm information sent by the circuit protection device is not received, first instruction information is obtained, and the first instruction information is used for controlling the circuit protection device to be in a brake-off state. The technical problem of the circuit breaker among the prior art often can not carry out remote operation and control, then can't protect the circuit when the circuit breaker breaks down is solved, reached and can long-rangely protect by protection circuit when the circuit breaker breaks down to improve the security to by protection circuit, form duplicate protection, improve the technological effect of protection effect.
The foregoing description is only an overview of the technical solutions of the present application, and the present application can be implemented according to the content of the description in order to make the technical means of the present application more clearly understood, and the following detailed description of the present application is given in order to make the above and other objects, features, and advantages of the present application more clearly understandable.
Drawings
Fig. 1 is a schematic flow chart of a method for a molded case circuit breaker based on an intelligent internet of things in an embodiment of the invention;
fig. 2 is a schematic structural diagram of an apparatus for a molded case circuit breaker based on an intelligent internet of things according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another device based on an intelligent internet of things molded case circuit breaker in the embodiment of the invention.
Description of reference numerals: a first obtaining unit 11, a second obtaining unit 12, a first judging unit 13, a second judging unit 14, a third obtaining unit 15, a bus 300, a receiver 301, a processor 302, a transmitter 303, a memory 304, and a bus interface 306.
Detailed Description
The embodiment of the application provides a method and a device for a molded case circuit breaker based on an intelligent Internet of things, and solves the technical problems that the circuit breaker in the prior art cannot be remotely operated and monitored and cannot protect a circuit when the circuit breaker breaks down.
In order to solve the technical problems, the technical scheme provided by the application has the following general idea: by obtaining a first current of the protected circuit; obtaining the rated current of the protected circuit; judging whether the first current exceeds the rated current or not; if the first current exceeds the rated current, judging whether first alarm information sent by the circuit protection device is received or not, wherein the first alarm information is used for indicating that the circuit protection device is in a switching-off state; and if first alarm information sent by the circuit protection device is not received, first instruction information is obtained, and the first instruction information is used for controlling the circuit protection device to be in a brake-off state. The protection circuit has the advantages that the circuit breaker can be remotely protected from a fault, so that the safety of the protected circuit is improved, double protection is formed, and the technical effect of the protection effect is improved.
The technical solutions of the present application are described in detail below with reference to the drawings and specific embodiments, and it should be understood that the specific features in the embodiments and examples of the present application are detailed descriptions of the technical solutions of the present application, and are not limitations of the technical solutions of the present application, and the technical features in the embodiments and examples of the present application may be combined with each other without conflict.
Example one
Fig. 1 is a schematic flow diagram of a method for a molded case circuit breaker based on an intelligent internet of things in an embodiment of the present invention, and the method for a molded case circuit breaker based on an intelligent internet of things provided in an embodiment of the present invention is applied to a circuit protection device, the circuit protection device is in communication connection with a central control terminal, and the circuit protection device is a switching device capable of closing, carrying, and opening a current under a normal loop condition and closing, carrying, and opening a current under an abnormal loop condition within a specified time. The circuit breaker is classified into a high-voltage circuit breaker and a low-voltage circuit breaker according to the range of use, and the high-voltage and low-voltage boundary line is relatively vague, and generally, a circuit breaker with a voltage of 3kV or more is called a high-voltage apparatus. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. At present, it has been widely used. The circuit protection device in the embodiment of the application can be in communication connection with a central control end through a network, and the connection mode comprises an application of an optical fiber network or a 5G network, and the method comprises the following steps:
step 110: obtaining a first current of the protected circuit;
specifically, the protected circuit is an object of the circuit protection device provided in the embodiment of the present application, for example, a circuit for daily household electricity, and the first current is a real-time current of the protected circuit, for example, a current situation of the real-time electricity for household electricity.
Step 120: obtaining the rated current of the protected circuit;
specifically, the rated current is a current of the electrical appliance operating at a rated voltage, and means a maximum current which is allowed to pass for a long time when heat generation does not exceed a long-term heat generation allowable temperature under a rated voltage operating condition at a reference ambient temperature, for example, the rated current of the protected circuit is a rated current of the household electrical appliance.
Step 130: judging whether the first current exceeds the rated current or not;
specifically, in order to ensure the safety of power utilization, the current of the real-time power utilization condition of the protected circuit cannot exceed the rated current of the protected circuit, and it is necessary to determine the magnitude of the first current, determine whether the first current exceeds the rated current, and perform corresponding processing according to the determination result.
Step 140: if the first current exceeds the rated current, judging whether first alarm information sent by the circuit protection device is received or not, wherein the first alarm information is used for indicating that the circuit protection device is in a switching-off state;
step 150: and if first alarm information sent by the circuit protection device is not received, first instruction information is obtained, and the first instruction information is used for controlling the circuit protection device to be in a brake-off state.
Specifically, if the first current exceeds the rated current, the prior art should be that the resistor of the circuit protection device is fused, so that the circuit protection device is in a tripping state, thereby protecting the protected circuit, but when the circuit protection device fails, the circuit protection device cannot perform circuit protection on the protected circuit, thereby causing a dangerous accident, in the embodiment of the present application, for the above problems existing in the prior art, the circuit protection device is remotely monitored from the central control end through the network, when the first current exceeds the rated current, whether the circuit protection device normally operates is firstly judged, the protected circuit is protected, if the circuit protection device trips the protected circuit, the circuit protection device sends a first alarm message to the central control end, so as to inform the central control end that the protected circuit exceeds the rated current, the central control end only needs to record the conditions of the short circuit, the open circuit, the grounding protection and the like; if the first current exceeds the rated current, but the circuit protection device has a fault and can not protect the protected circuit, the circuit protection device does not send the first alarm information to the central control end, if the central control end does not receive the alarm information, in order to protect the protected circuit, the central control end sends first instruction information to the circuit protection device to control the circuit protection device to be in a brake-off state so as to disconnect the protected circuit, the circuit protection is carried out on the protected circuit, the problems that the circuit breaker in the prior art can not be operated and monitored remotely, the technical problem that the circuit can not be protected when the breaker breaks down is achieved, the circuit to be protected can be remotely protected when the breaker breaks down, therefore, the safety of the protected circuit is improved, double protection is formed, and the technical effect of the protection effect is improved.
Further, if first alarm information sent by the circuit protection device is not received, obtaining first instruction information, where the first instruction information is used to control the circuit protection device to be in a switching-off state, the method further includes: acquiring the number information of the circuit protection device; and acquiring first fault information according to the number information, wherein the first fault information is used for prompting that the circuit protection device corresponding to the number information has faults.
Specifically, in order to facilitate the unified management of the central control end on a plurality of circuit protection devices, the central control end numbers and records the circuit protection devices in its jurisdiction, and when a circuit protection device fails, the central control end obtains the number information of the circuit protection device so as to know that the circuit protection device corresponding to the number fails, namely the first failure information, so as to facilitate the recording and management of which circuit protection devices fail, and the position of the circuit protection device so as to assign workers to quickly maintain the circuit protection devices.
Further, the circuit protection device is provided with a resistance testing device, and after the first current exceeds the rated current and whether first alarm information sent by the circuit protection device is received or not is judged, the method includes: if first alarm information sent by the circuit protection device is received, a first resistance value of the protected circuit is obtained through the resistance testing device; and judging the fault type of the protected circuit according to the first resistance value.
Specifically, the circuit protection device provided in the embodiment of the present application is equipped with a resistance test device, which is capable of monitoring a resistance value of a protected circuit in real time, and if a central control terminal receives first alarm information sent from the circuit protection device, it indicates that the circuit protection device may include a short circuit and a ground fault because a first current of the protected circuit exceeds a rated current, and when the first current exceeds the rated current, a fault type of the protected circuit cannot be determined by the circuit protection device in the prior art, and in the embodiment of the present application, a change condition of the resistance value of the protected circuit is monitored in real time, so as to determine whether the protected circuit is a short circuit fault or a ground fault, and when the resistance value of the protected circuit is zero, it may be determined that the protected circuit is a short circuit fault; when the resistance value of the protected circuit is not zero and the current exceeds the rated current, the protected circuit can be determined to have a ground fault. The fault type of the protected circuit is judged according to the circuit protection device, and the circuit protection device is remotely connected with the central control end through a network to remotely supervise and control the running state of the protected circuit.
Further, the method further comprises: respectively obtaining the occurrence time of the first alarm information, the first instruction information and the first fault information; and recording and storing the occurrence time.
Specifically, when the central control end receives the first alarm information, the time for receiving the first alarm information is recorded at the same time; similarly, when the central control end sends the first instruction information, the sending time for sending the first instruction information and the receiving time for receiving the first fault information are recorded, the receiving time or the sending time is basically equal to the time for the event, the error between the receiving time and the sending time is only the delay time of network transmission, the time is usually short and can be ignored, and the central control end respectively stores and records the occurrence time of the event, so that the circuit protection can be conveniently and remotely managed in a unified manner.
Further, the method further comprises: obtaining the rated current of the protected circuit; obtaining a first adjusting instruction according to the rated current; and adjusting the setting current value of the circuit protection device according to the first adjusting instruction.
Specifically, in order to improve the universality of the circuit protection device and expand the application range in the embodiment of the present application, a first adjustment instruction is obtained according to the magnitude of the rated current of the protected circuit, and the setting current value of the circuit protection device is adjusted, so that the setting current value of the circuit protection device is the same as the magnitude of the rated current of the protected circuit, thereby realizing the circuit protection of different protected circuits.
Further, the method further comprises: and if the first current is reduced to be lower than the rated current, second instruction information is obtained, and the second instruction information is used for controlling the circuit protection device to be in a closing state.
Specifically, if the real-time current of the protected circuit, namely the first current, is reduced below the rated current, if the circuit protection device is in a fault state, the circuit cannot be switched on, and in order to recover normal power consumption as soon as possible, the central control end sends second instruction information to the circuit protection device to control the circuit protection device to be in a switch-on state, so that the normal power consumption of the protected circuit is recovered as soon as possible, and the probability that the protected circuit cannot recover normal power consumption as soon as possible due to the fault of the circuit protection device is reduced.
Preferably, the circuit protection device has a temperature sensor, and the method includes: obtaining the real-time temperature of the environment where the circuit protection device is located; obtaining a predetermined temperature threshold; judging whether the real-time temperature of the environment where the circuit protection device is located is within the preset temperature threshold value or not; and if the real-time temperature of the environment where the circuit protection device is located is not within the preset temperature threshold, obtaining third instruction information, wherein the third instruction information is used for controlling the circuit protection device to be in a switching-off state.
Specifically, high temperature or low temperature can cause a plurality of faults of a circuit, the circuit and the electric equipment both have the highest service temperature and the lowest service temperature, and in order to enable the circuit and the electric equipment to operate normally and reduce accidents caused by the high temperature or the low temperature, the embodiment of the application can sense the real-time working temperature of a protected circuit in real time by installing a temperature sensor on a circuit protection device and carry out real-time information interaction through a central control end, so that the central control end can monitor the working temperatures of the circuit protection device and the protected circuit in real time, once the working temperature exceeds a preset temperature threshold value or is lower than the preset temperature threshold value, third instruction information is immediately sent to the circuit protection device, and the circuit protection device is controlled to be switched off, thereby avoiding the circuit from being damaged or causing the electric accidents caused by the limit working temperature at the first time. The predetermined temperature threshold may be set according to an actual situation, and is generally a normal operating temperature range of the circuit protection device and the protected circuit, and the specific value is not specifically limited in the embodiment of the present application.
Example two
Based on the same inventive concept as the method for the intelligent internet of things-based molded case circuit breaker in the foregoing embodiment, the present invention further provides an apparatus for the intelligent internet of things-based molded case circuit breaker, as shown in fig. 2, the apparatus includes:
a first obtaining unit 11, wherein the first obtaining unit 11 is used for obtaining a first current of the protected circuit;
a second obtaining unit 12, wherein the second obtaining unit 12 is used for obtaining the rated current of the protected circuit;
a first judging unit 13, wherein the first judging unit 13 is used for judging whether the first current exceeds the rated current or not;
a second determining unit 14, where the second determining unit 14 is configured to determine whether first alarm information sent by the circuit protection device is received if the first current exceeds the rated current, where the first alarm information is used to indicate that the circuit protection device is in a switching-off state;
and a third obtaining unit 15, where the third obtaining unit 15 is configured to obtain first instruction information if the first alarm information sent by the circuit protection device is not received, where the first instruction information is used to control the circuit protection device to be in a switching-off state.
Preferably, the apparatus further comprises:
a fourth obtaining unit configured to obtain number information of the circuit protection device;
and the fifth obtaining unit is used for obtaining first fault information according to the number information, and the first fault information is used for prompting that the circuit protection device corresponding to the number information has faults.
Preferably, the apparatus further comprises:
a sixth obtaining unit, configured to obtain, by the resistance testing device, a first resistance value of the protected circuit if first alarm information sent from the circuit protection device is received;
and the third judging unit is used for judging the fault type of the protected circuit according to the first resistance value. Preferably, the apparatus further comprises:
a seventh obtaining unit, configured to obtain occurrence times of the first alarm information, the first instruction information, and the first fault information, respectively;
and the first storage unit is used for recording and storing the occurrence time.
Preferably, the apparatus further comprises:
an eighth obtaining unit configured to obtain a rated current of the protected circuit;
a ninth obtaining unit, configured to obtain a first adjustment instruction according to the rated current;
and the first adjusting unit is used for adjusting the setting current value of the circuit protection device according to the first adjusting instruction.
Preferably, the apparatus further comprises:
a tenth obtaining unit, configured to obtain second instruction information if the first current is reduced to be lower than the rated current, where the second instruction information is used to control the circuit protection device to be in a closing state.
Preferably, the apparatus further comprises:
a seventh obtaining unit, configured to obtain a real-time temperature of an environment in which the circuit protection device is located;
an eighth obtaining unit for obtaining a predetermined temperature threshold;
a fourth judging unit, configured to judge whether a real-time temperature of an environment where the circuit protection device is located is within the predetermined temperature threshold;
a ninth obtaining unit, configured to obtain third instruction information if a real-time temperature of an environment where the circuit protection device is located is not within the predetermined temperature threshold, where the third instruction information is used to control the circuit protection device to be in an open state.
Various changes and specific examples of the method for the intelligent internet-of-things-based molded case circuit breaker in the first embodiment of fig. 1 are also applicable to the apparatus for the intelligent internet-of-things-based molded case circuit breaker in the present embodiment, and through the foregoing detailed description of the method for the intelligent internet-of-things-based molded case circuit breaker, those skilled in the art can clearly know the implementation method for the apparatus for the intelligent internet-of-things-based molded case circuit breaker in the present embodiment, so for the brevity of the description, detailed description is not repeated here.
EXAMPLE III
Based on the same inventive concept as the method for the intelligent internet of things-based molded case circuit breaker in the previous embodiment, the invention also provides a device for the intelligent internet of things-based molded case circuit breaker, wherein a computer program is stored on the device, and when the program is executed by a processor, the steps of any one of the methods for the intelligent internet of things-based molded case circuit breaker are realized.
Where in fig. 3 a bus architecture (represented by bus 300), bus 300 may include any number of interconnected buses and bridges, bus 300 linking together various circuits including one or more processors, represented by processor 302, and memory, represented by memory 304. The bus 300 may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A bus interface 306 provides an interface between the bus 300 and the receiver 301 and transmitter 303. The receiver 301 and the transmitter 303 may be the same element, i.e., a transceiver, providing a means for communicating with various other apparatus over a transmission medium.
The processor 302 is responsible for managing the bus 300 and general processing, and the memory 304 may be used for storing data used by the processor 302 in performing operations.
Example four
Based on the same inventive concept as the method of the intelligent internet of things-based molded case circuit breaker in the foregoing embodiments, the present invention also provides a computer-readable storage medium having a computer program stored thereon, which when executed by a processor, implements the following steps:
by obtaining a first current of the protected circuit; obtaining the rated current of the protected circuit; judging whether the first current exceeds the rated current or not; if the first current exceeds the rated current, judging whether first alarm information sent by the circuit protection device is received or not, wherein the first alarm information is used for indicating that the circuit protection device is in a switching-off state; and if first alarm information sent by the circuit protection device is not received, first instruction information is obtained, and the first instruction information is used for controlling the circuit protection device to be in a brake-off state.
In a specific implementation, when the program is executed by a processor, any method step in the first embodiment may be further implemented.
One or more technical solutions in the embodiments of the present application have at least one or more of the following technical effects:
the embodiment of the application provides a method and a device for a molded case circuit breaker based on an intelligent Internet of things, and the method comprises the following steps: by obtaining a first current of the protected circuit; obtaining the rated current of the protected circuit; judging whether the first current exceeds the rated current or not; if the first current exceeds the rated current, judging whether first alarm information sent by the circuit protection device is received or not, wherein the first alarm information is used for indicating that the circuit protection device is in a switching-off state; and if first alarm information sent by the circuit protection device is not received, first instruction information is obtained, and the first instruction information is used for controlling the circuit protection device to be in a brake-off state. The technical problem of the circuit breaker among the prior art often can not carry out remote operation and control, then can't protect the circuit when the circuit breaker breaks down is solved, reached and can long-rangely protect by protection circuit when the circuit breaker breaks down to improve the security to by protection circuit, form duplicate protection, improve the technological effect of protection effect.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The method for the intelligent Internet of things-based molded case circuit breaker is characterized by being applied to a circuit protection device which is in communication connection with a central control terminal, and comprises the following steps:
obtaining a first current of the protected circuit;
obtaining the rated current of the protected circuit;
judging whether the first current exceeds the rated current or not;
if the first current exceeds the rated current, judging whether first alarm information sent by the circuit protection device is received or not, wherein the first alarm information is used for indicating that the circuit protection device is in a switching-off state;
and if first alarm information sent by the circuit protection device is not received, first instruction information is obtained, and the first instruction information is used for controlling the circuit protection device to be in a brake-off state.
2. The method of claim 1, wherein if first alarm information sent by the circuit protection device is not received, obtaining first instruction information, the first instruction information being used for controlling the circuit protection device to be in a brake-off state, further comprising:
acquiring the number information of the circuit protection device;
and acquiring first fault information according to the number information, wherein the first fault information is used for prompting that the circuit protection device corresponding to the number information has faults.
3. The method of claim 1, wherein the circuit protection device has a resistance test device, and wherein determining whether a first alarm message is received from the circuit protection device if the first current exceeds the rated current comprises:
if first alarm information sent by the circuit protection device is received, a first resistance value of the protected circuit is obtained through the resistance testing device;
and judging the fault type of the protected circuit according to the first resistance value.
4. The method of claim 1, wherein the method further comprises:
respectively obtaining the occurrence time of the first alarm information, the first instruction information and the first fault information;
and recording and storing the occurrence time.
5. The method of claim 1, wherein the method further comprises:
obtaining the rated current of the protected circuit;
obtaining a first adjusting instruction according to the rated current;
and adjusting the setting current value of the circuit protection device according to the first adjusting instruction.
6. The method of claim 1, wherein the method further comprises:
and if the first current is reduced to be lower than the rated current, second instruction information is obtained, and the second instruction information is used for controlling the circuit protection device to be in a closing state.
7. The method of claim 1, wherein the circuit protection device has a temperature sensor, the method comprising:
obtaining the real-time temperature of the environment where the circuit protection device is located;
obtaining a predetermined temperature threshold;
judging whether the real-time temperature of the environment where the circuit protection device is located is within the preset temperature threshold value or not;
and if the real-time temperature of the environment where the circuit protection device is located is not within the preset temperature threshold, obtaining third instruction information, wherein the third instruction information is used for controlling the circuit protection device to be in a switching-off state.
8. The utility model provides a device based on intelligence thing networking moulded case circuit breaker, its characterized in that, the device includes:
a first obtaining unit for obtaining a first current of the protected circuit;
a second obtaining unit for obtaining a rated current of the protected circuit;
a first judging unit for judging whether the first current exceeds the rated current;
the second judging unit is used for judging whether first alarm information sent by the circuit protection device is received or not if the first current exceeds the rated current, and the first alarm information is used for indicating that the circuit protection device is in a switching-off state;
and the third obtaining unit is used for obtaining first instruction information if first alarm information sent by the circuit protection device is not received, and the first instruction information is used for controlling the circuit protection device to be in a switching-off state.
9. An apparatus based on an intelligent internet of things molded case circuit breaker, comprising a memory, a processor and a computer program stored on the memory and operable on the processor, wherein the processor implements the following steps when executing the program:
obtaining a first current of the protected circuit;
obtaining the rated current of the protected circuit;
judging whether the first current exceeds the rated current or not;
if the first current exceeds the rated current, judging whether first alarm information sent by the circuit protection device is received or not, wherein the first alarm information is used for indicating that the circuit protection device is in a switching-off state;
and if first alarm information sent by the circuit protection device is not received, first instruction information is obtained, and the first instruction information is used for controlling the circuit protection device to be in a brake-off state.
10. A computer-readable storage medium, on which a computer program is stored, which program, when executed by a processor, carries out the steps of:
obtaining a first current of the protected circuit;
obtaining the rated current of the protected circuit;
judging whether the first current exceeds the rated current or not;
if the first current exceeds the rated current, judging whether first alarm information sent by the circuit protection device is received or not, wherein the first alarm information is used for indicating that the circuit protection device is in a switching-off state;
and if first alarm information sent by the circuit protection device is not received, first instruction information is obtained, and the first instruction information is used for controlling the circuit protection device to be in a brake-off state.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010355374.0A CN111446703A (en) | 2020-04-29 | 2020-04-29 | Method and device for molded case circuit breaker based on intelligent Internet of things |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010355374.0A CN111446703A (en) | 2020-04-29 | 2020-04-29 | Method and device for molded case circuit breaker based on intelligent Internet of things |
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| CN111446703A true CN111446703A (en) | 2020-07-24 |
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| CN202010355374.0A Pending CN111446703A (en) | 2020-04-29 | 2020-04-29 | Method and device for molded case circuit breaker based on intelligent Internet of things |
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Application publication date: 20200724 |