CN116995815A - Monitoring system for safe electricity utilization - Google Patents

Monitoring system for safe electricity utilization Download PDF

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Publication number
CN116995815A
CN116995815A CN202310990493.7A CN202310990493A CN116995815A CN 116995815 A CN116995815 A CN 116995815A CN 202310990493 A CN202310990493 A CN 202310990493A CN 116995815 A CN116995815 A CN 116995815A
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CN
China
Prior art keywords
electric equipment
target electric
temperature
target
current
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CN202310990493.7A
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Chinese (zh)
Inventor
唐森群
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Hunan Youyou Electric Technology Co ltd
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Hunan Youyou Electric Technology Co ltd
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Priority to CN202310990493.7A priority Critical patent/CN116995815A/en
Publication of CN116995815A publication Critical patent/CN116995815A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • H02J13/00001—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 characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • 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
    • H02J13/00002—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 characterised by monitoring
    • 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
    • H02J13/00006—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 characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • 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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • 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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
    • 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
    • H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

The application discloses a monitoring system for safe electricity utilization, which particularly relates to the field of safe electricity utilization, and comprises a power management module, a parameter acquisition module, a parameter characteristic processing module, a data analysis and calculation module, a judgment module, an early warning module and a remote control module.

Description

Monitoring system for safe electricity utilization
Technical Field
The application relates to the technical field of safe electricity utilization, in particular to a safe electricity utilization monitoring system.
Background
At present, with the rapid development of electronic technology and the popularization of a power network, the number and the variety of electric equipment are increased in an industrial production, public facilities and household environments, the load pressure of a power supply line is increased in an intangible way, meanwhile, the safety problem in the power utilization process of a user is also highlighted gradually, however, because the hidden trouble investigation and the safety supervision of the power supply line are realized by relying on manual regular investigation, the monitoring efficiency is low, the real-time monitoring cannot be realized, the hidden trouble of the power utilization cannot be found and controlled in time, the problem of the safety of the power utilization happens frequently, and immeasurable loss is brought to a power supply company and the user.
The monitoring system utilizes the sensor and the data acquisition device to periodically or in real time collect various parameter data of the power grid, and the collected data is sent to a central control center of the monitoring system for analysis. The system compares the real-time data with a preset reference value and detects whether an abnormality exists or the condition exceeds a safety range. If an abnormality is detected, the system can take corresponding early warning measures, and when the monitoring system detects that potential safety hazards or abnormal conditions exist in the power grid, the monitoring system can generate early warning signals or alarm information. The pre-warning may be communicated to the operator in the form of a chart, a digital display, etc. on the interface.
The traditional safety electricity utilization monitoring system can only process specific types and quantity of data, cannot cope with large-scale data quantity and complex power grid conditions, limits the comprehensive monitoring and analysis capacity of the system on the global state of the power grid, generally depends on preset thresholds and rules when the existing system processes abnormal conditions, cannot flexibly adjust strategies according to specific conditions, lacks an intelligent decision support system, and can lead to untimely or inaccurate response because operators need to judge and decide according to experience and knowledge.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present application provides a system for monitoring safe power consumption, so as to solve the above-mentioned problems in the prior art.
In order to achieve the above purpose, the present application provides the following technical solutions: a monitoring system for safe electricity usage, comprising:
and a power management module: the power supply for managing the monitoring system comprises switching between a commercial power supply and a standby power supply;
parameter acquisition module: the system comprises an electric equipment determining unit and an electric equipment parameter collecting unit;
the electric equipment determining unit: determining target electric equipment through monitoring camera shooting, numbering the determined target electric equipment, and sending the number to an electric equipment parameter acquisition unit;
the electric equipment parameter acquisition unit: the method comprises the steps that parameter information of target electric equipment is collected through a sensor, and the parameter information of the target electric equipment is transmitted to a database, wherein the parameter information comprises a circuit, current, voltage, temperature and humidity of the target electric equipment;
parameter characteristic processing module: processing characteristic data of target electric equipment parameters in the database to obtain line parameters, current and voltage parameters and temperature parameters of the target electric equipment, and sending the line parameters, the current and voltage parameters and the temperature parameters to a data analysis and calculation module;
and the data analysis and calculation module is used for: the system comprises an electric equipment parameter calculation module and an electric equipment parameter analysis unit;
the electric equipment parameter calculation unit calculates parameter information of the target electric equipment through a mathematical formula to obtain a power threshold value, a circuit roughness and a circuit temperature coefficient of the target electric equipment;
the power threshold value, the circuit roughness and the circuit temperature coefficient of the target electric equipment are analyzed by the electric equipment parameter analysis unit to obtain a risk assessment coefficient of the target electric equipment, and the risk assessment coefficient is sent to the judgment module;
and a judging module: judging the risk index of the target electric equipment according to the risk assessment coefficient of the target electric equipment, numbering the target electric equipment with the risk index exceeding the risk index threshold value, and sending the number to an early warning module;
and the early warning module is used for: numbering target electric equipment exceeding a risk coefficient threshold value, and sending an early warning to a remote control module;
and a remote control module: the remote control circuit is used for remotely controlling the running state of the circuit and receiving remote instructions for operation.
Preferably, the method for collecting the parameter information of the target electric equipment specifically comprises the following steps:
a1, electricity is used for the targetThe devices are numbered a 1 ，a 2 ，……，a n ；
A2, collecting current, voltage and temperature and humidity of the target electric equipment in a normal working state through a current and voltage sensor and a temperature and humidity sensor;
a3, after the target electric equipment works for H hours, acquiring the current and voltage of the electric equipment and the change condition of the temperature and the humidity through the current and voltage sensor and the temperature and humidity sensor again;
a4, comparing the current, voltage and temperature and humidity of the electric equipment after the operation H with the current, voltage and temperature and humidity of the electric equipment when the operation is just started;
a5, calculating a power consumption threshold P of the electric equipment in normal operation according to the comparison result Threshold value 。
Preferably, the calculating step of the power consumption threshold value when the electric equipment works normally is as follows:
b1, respectively measuring the current, the voltage and the temperature and humidity of the target electric equipment during normal operation by using a current and voltage sensor and a temperature and humidity sensor, and respectively recording as I 1 ，U 1 ，W 1 And T 1 ；
B2, when the target electric equipment works for H hours, continuously repeating the operation of the B1, and measuring the current, the voltage and the temperature and the humidity of the target electric equipment after the target electric equipment works for H hours, wherein the current, the voltage and the temperature and the humidity are respectively recorded as I H ，U H ，W H ，T H ；
B3, substituting the parameters of the target electric equipment in the B1 and the B2 into the formula respectivelyWherein ω= (W) 1 +T 1 )，Δω＝(W H -W 1 )+(T H -T 1 )。
Preferably, when the power failure occurs, the monitoring system can be automatically switched from the commercial power to the standby power so as to ensure the normal operation of the target electric equipment.
Preferably, the calculating the roughness of the circuit of the target electric equipment specifically comprises the following steps:
c1, measuring the circuit surface of each target electric equipment through a surface roughening instrument, and acquiring circuit surface profile data of the target electric equipment;
c2, line surface profile data of the target electric equipment are represented by a series of measuring point coordinates, wherein the sitting mark of each measuring point is (x, y);
c3, determining the distance between adjacent measuring points, and marking the distance as delta x;
c4, for adjacent measurement points (x 1 ，y 1 ) And (x) 2 ，y 2 ) The height difference is Δh= |y 2 -y 1 |；
C5, substituting Deltax and Deltah into the formula respectivelyWherein R is a Expressed as roughness of the target powered device trace.
Preferably, the calculating the line temperature coefficient of the electric equipment specifically includes:
the indoor temperature of the area where the target electric equipment is located is measured to be T through a temperature sensor Room temperature The initial temperature of the target electric equipment is T Initiation The initial starting current I of the target electric equipment is measured through a current-voltage sensor 1 The initial starting voltage is U 1 The current of the target electric equipment after working for H hours is measured to be I H The voltage is U H By the formulaCalculating the line resistance of the target electric equipment as R, wherein DeltaU is expressed as (U H -U 1 ) ΔI is expressed as (I H -I 1 )；
The T is set Room temperature 、H、T Initiation 、I 1 、U 1 、I H 、U H And R is substituted into the formula beta= [ (I) H -I 1 ) 2 *R*H]+T Initiation +T Room temperature The method comprises the steps of carrying out a first treatment on the surface of the Circuit with beta being expressed as target electric equipmentA temperature coefficient.
Preferably, the evaluating the risk coefficient of the target electric equipment specifically includes:
extracting historical line temperature coefficients corresponding to each monitoring of target electric equipment stored in a database, screening historical power thresholds corresponding to each monitoring of the target electric equipment in a preset historical period, and respectively representing the line temperature and the concentration of the power thresholds corresponding to each monitoring of the target electric equipment in the preset historical period as beta f And P Threshold f Where f=1, 2, …, k, f represents the f-th monitoring in the preset history period;
obtaining a fluctuation index theta of the temperature change of the circuit of the target electric equipment according to the circuit temperature coefficient of the target electric equipment;
obtaining the power change fluctuation index gamma of the target electric equipment according to the power threshold value of the target electric equipment j ；
Analyzing risk assessment coefficients of target electric equipmentWherein beta is 1 And beta 2 Respectively representing a risk influence factor corresponding to the preset line temperature change and a risk influence factor corresponding to the power change.
Preferably, the early warning module specifically includes:
comparing the risk assessment coefficient of the target electric equipment with a preset electric equipment risk assessment coefficient threshold value, if the risk assessment coefficient of the target electric equipment is larger than the preset electric equipment risk assessment coefficient threshold value, indicating that the target electric equipment has risk, numbering the target electric equipment with risk, and outputting an instruction to a remote control module.
In order to achieve the above purpose, the present application provides the following technical solutions: the monitoring method for the safe electricity utilization, which uses the monitoring system for the safe electricity utilization, comprises the following steps:
s1, acquiring parameter information of target electric equipment, and respectively acquiring current, voltage and temperature and humidity of the target electric equipment in a normal working state and in a working H through a current and voltage sensor and a temperature and humidity sensor;
s2, calculating the power threshold value and the change condition of the target electric equipment by analyzing and comparing the current and the voltage of the target electric equipment and the temperature and the humidity;
s3, acquiring the circuit surface of the target electric equipment through a surface roughening instrument to obtain circuit surface roughening parameters of the target electric equipment, and substituting the circuit surface roughening parameters of the target electric equipment into a formula to calculate the circuit roughness of the target electric equipment;
s4, measuring the indoor temperature T of the area where the target electric equipment is located through a temperature sensor Room temperature The initial temperature of the target electric equipment is T Initiation And substituting the parameters of the target electric equipment in the S1 into a formula together to calculate the line temperature coefficient of the target electric equipment.
S5, substituting the power change condition of the target electric equipment and the line temperature coefficient of the target electric equipment obtained through calculation in the S2 and the S4 into a formula to obtain a risk assessment coefficient of the target electric equipment;
s6, comparing the risk assessment coefficient of the target electric equipment with a preset risk assessment coefficient threshold value of the target electric equipment to obtain target electric equipment exceeding the risk assessment coefficient threshold value of the target electric equipment, numbering the target electric equipment, and sending the target electric equipment to the remote control module.
The application has the technical effects and advantages that:
1. the application can analyze and evaluate the service condition of the electric equipment, identify the possible problems of energy waste or low efficiency, provide optimization suggestions and help users to realize energy conservation, emission reduction and electricity cost reduction.
2. The application can monitor the running state and performance index of the electric equipment in real time, identify potential fault signs, give warning in advance, enable users to repair or replace the equipment in time, and prevent the influence on production and life caused by equipment faults;
3. the monitoring system can monitor the abnormal state of the electric equipment in real time, inform the user through an alarm, and timely take measures to avoid potential risks and accidents.
Drawings
Fig. 1 is a schematic diagram of a system module connection according to the present application.
FIG. 2 is a flow chart of the steps of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1, the application provides a monitoring system for safe electricity utilization, which comprises a parameter acquisition module, a power management module, a data analysis module, a risk assessment module and an early warning module. And a remote control module.
The power management module is connected with the parameter acquisition module, the parameter acquisition module is connected with the database, the database is connected with the parameter characteristic processing module, the parameter characteristic processing module is connected with the data analysis and calculation module, the data analysis and calculation module is connected with the judgment module, the judgment module is connected with the early warning module, and the early warning module is connected with the remote control module.
The parameter acquisition module comprises an electric equipment determining unit and an electric equipment parameter acquisition unit;
the electric equipment determining unit determines target electric equipment through monitoring camera shooting, numbers the determined target electric equipment and sends the number to the electric equipment parameter collecting unit;
the electric equipment parameter acquisition unit acquires parameter information of the target electric equipment through the sensor and transmits the parameter information of the target electric equipment to the database, wherein the parameter information comprises the line, current, voltage, temperature and humidity of the target electric equipment.
In one possible design, the method for collecting the parameter information of the target electric equipment specifically includes the following steps:
a1, numbering target electric equipment, and respectively marking the number as a 1 ，a 2 ，……，a n ；
A2, collecting current, voltage and temperature and humidity of the target electric equipment in a normal working state through a current and voltage sensor and a temperature and humidity sensor;
a3, after the target electric equipment works for H hours, acquiring the current and voltage of the electric equipment and the change condition of the temperature and the humidity through the current and voltage sensor and the temperature and humidity sensor again;
a4, comparing the current, voltage and temperature and humidity of the electric equipment after the operation H with the current, voltage and temperature and humidity of the electric equipment when the operation is just started;
a5, calculating a power consumption threshold P of the electric equipment in normal operation according to the comparison result Threshold value 。
The power management module is used for managing the power supply of the monitoring system, and comprises switching between commercial power and standby power.
In one possible design, the monitoring system may automatically switch from mains to backup power to ensure proper operation of the target powered device when a power failure occurs.
And the parameter characteristic processing module processes characteristic data of the target electric equipment parameters in the database to obtain line parameters, current and voltage parameters and temperature parameters of the target electric equipment, and sends the line parameters, the current and voltage parameters and the temperature parameters to the data analysis and calculation module.
The data analysis and calculation module comprises an electric equipment parameter calculation module and an electric equipment parameter analysis unit;
the electric equipment parameter calculation unit calculates parameter information of the target electric equipment through a mathematical formula to obtain a power threshold value, a circuit roughness and a circuit temperature coefficient of the target electric equipment;
the electric equipment parameter analysis unit obtains a risk assessment coefficient of the target electric equipment by analyzing a power threshold value, a line roughness and a line temperature coefficient of the target electric equipment, and sends the risk assessment coefficient to the judgment module.
In one possible design, the power consumption threshold calculation step when the electric equipment works normally is as follows:
b1, respectively measuring the current, the voltage and the temperature and humidity of the target electric equipment during normal operation by using a current and voltage sensor and a temperature and humidity sensor, and respectively recording as I 1 ，U 1 ，W 1 And T 1 ；
B2, when the target electric equipment works for H hours, continuously repeating the operation of the B1, and measuring the current, the voltage and the temperature and the humidity of the target electric equipment after the target electric equipment works for H hours, wherein the current, the voltage and the temperature and the humidity are respectively recorded as I H ，U H ，W H ，T H ；
B3, substituting the parameters of the target electric equipment in the B1 and the B2 into the formula respectivelyWherein ω= (W) 1 +T 1 )，Δω＝(W H -W 1 )+(T H -T 1 )。
Further, the method for calculating the roughness of the circuit of the target electric equipment specifically comprises the following steps:
c1, measuring the circuit surface of each target electric equipment through a surface roughening instrument, and acquiring circuit surface profile data of the target electric equipment;
c2, line surface profile data of the target electric equipment are represented by a series of measuring point coordinates, wherein the sitting mark of each measuring point is (x, y);
c3, determining the distance between adjacent measuring points, and marking the distance as delta x;
c4, for adjacent measurement points (x 1 ，y 1 ) And (x) 2 ，y 2 ) The height difference is Δh= |y 2 -y 1 |；
C5, substituting Deltax and Deltah into the formula respectivelyWherein R is a Expressed as roughness of the target powered device trace.
In a preferred technical scheme of the application, the calculation of the line temperature coefficient of the electric equipment specifically comprises the following steps:
the indoor temperature of the area where the target electric equipment is located is measured to be T through a temperature sensor Room temperature The initial temperature of the target electric equipment is T Initiation The initial starting current I of the target electric equipment is measured through a current-voltage sensor 1 The initial starting voltage is U 1 The current of the target electric equipment after working for H hours is measured to be I H The voltage is U H By the formulaCalculating the line resistance of the target electric equipment as R, wherein DeltaU is expressed as (U H -U 1 ) ΔI is expressed as (I H -I 1 )；
The T is set Room temperature 、H、T Initiation 、I 1 、U 1 、I H 、U H And R is substituted into the formula beta= [ (I) H -I 1 ) 2 *R*H]+T Initiation +T Room temperature The method comprises the steps of carrying out a first treatment on the surface of the Where β is denoted as the line temperature coefficient of the target powered device.
The judging module judges the risk index of the target electric equipment according to the risk assessment coefficient of the target electric equipment, numbers the target electric equipment with the risk index exceeding the risk index threshold value, and sends the number to the early warning module.
In one possible design, the evaluating the risk coefficient of the target electric equipment specifically includes:
extracting historical line temperature coefficients corresponding to each monitoring of target electric equipment stored in a database, screening historical power thresholds corresponding to each monitoring of the target electric equipment in a preset historical period, and respectively representing the line temperature and the concentration of the power thresholds corresponding to each monitoring of the target electric equipment in the preset historical period as beta f And P Threshold f Whereinf=1, 2, …, k, f being the f-th monitoring in the preset history period;
obtaining a fluctuation index theta of the temperature change of the circuit of the target electric equipment according to the circuit temperature coefficient of the target electric equipment;
obtaining the power change fluctuation index gamma of the target electric equipment according to the power threshold value of the target electric equipment j ；
Analyzing risk assessment coefficients of target electric equipmentWherein beta is 1 And beta 2 Respectively representing a risk influence factor corresponding to the preset line temperature change and a risk influence factor corresponding to the power change.
And the early warning module numbers the target electric equipment exceeding the risk coefficient threshold value and sends an early warning to the remote control module.
In one possible design, the early warning module specifically includes:
comparing the risk assessment coefficient of the target electric equipment with a preset electric equipment risk assessment coefficient threshold value, if the risk assessment coefficient of the target electric equipment is larger than the preset electric equipment risk assessment coefficient threshold value, indicating that the target electric equipment has risk, numbering the target electric equipment with risk, and outputting an instruction to a remote control module.
The remote control module is used for remotely controlling the running state of the circuit and receiving a remote instruction to operate.
As shown in fig. 2, the embodiment provides a method for monitoring safe electricity consumption, which includes the following steps:
s1, acquiring parameter information of target electric equipment, and respectively acquiring current, voltage and temperature and humidity of the target electric equipment in a normal working state and in a working H through a current and voltage sensor and a temperature and humidity sensor;
s2, calculating the power threshold value and the change condition of the target electric equipment by analyzing and comparing the current and the voltage of the target electric equipment and the temperature and the humidity;
s3, acquiring the circuit surface of the target electric equipment through a surface roughening instrument to obtain circuit surface roughening parameters of the target electric equipment, and substituting the circuit surface roughening parameters of the target electric equipment into a formula to calculate the circuit roughness of the target electric equipment;
s4, measuring the indoor temperature T of the area where the target electric equipment is located through a temperature sensor Room temperature The initial temperature of the target electric equipment is T Initiation And substituting the parameters of the target electric equipment in the S1 into a formula together to calculate the line temperature coefficient of the target electric equipment.
S5, substituting the power change condition of the target electric equipment and the line temperature coefficient of the target electric equipment obtained through calculation in the S2 and the S4 into a formula to obtain a risk assessment coefficient of the target electric equipment;
s6, comparing the risk assessment coefficient of the target electric equipment with a preset risk assessment coefficient threshold value of the target electric equipment to obtain target electric equipment exceeding the risk assessment coefficient threshold value of the target electric equipment, numbering the target electric equipment, and sending the target electric equipment to the remote control module.
Finally: the foregoing description of the preferred embodiments of the application is not intended to limit the application to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the application are intended to be included within the scope of the application.

Claims (9)

1. A monitoring system for safe use of electricity, comprising:
and a power management module: the power supply for managing the monitoring system comprises switching between a commercial power supply and a standby power supply;
parameter acquisition module: the system comprises an electric equipment determining unit and an electric equipment parameter collecting unit;
the electric equipment determining unit: determining target electric equipment through monitoring camera shooting, numbering the determined target electric equipment, and sending the number to an electric equipment parameter acquisition unit;
the electric equipment parameter acquisition unit: the method comprises the steps that parameter information of target electric equipment is collected through a sensor, and the parameter information of the target electric equipment is transmitted to a database, wherein the parameter information comprises a circuit, current, voltage, temperature and humidity of the target electric equipment;
parameter characteristic processing module: processing characteristic data of target electric equipment parameters in the database to obtain line parameters, current and voltage parameters and temperature parameters of the target electric equipment, and sending the line parameters, the current and voltage parameters and the temperature parameters to a data analysis and calculation module;
and the data analysis and calculation module is used for: the system comprises an electric equipment parameter calculation module and an electric equipment parameter analysis unit;
the electric equipment parameter calculation unit calculates parameter information of the target electric equipment through a mathematical formula to obtain a power threshold value, a circuit roughness and a circuit temperature coefficient of the target electric equipment;
the power threshold value, the circuit roughness and the circuit temperature coefficient of the target electric equipment are analyzed by the electric equipment parameter analysis unit to obtain a risk assessment coefficient of the target electric equipment, and the risk assessment coefficient is sent to the judgment module;
and a judging module: judging the risk index of the target electric equipment according to the risk assessment coefficient of the target electric equipment, numbering the target electric equipment with the risk index exceeding the risk index threshold value, and sending the number to an early warning module;
and the early warning module is used for: receiving and displaying target electric equipment exceeding a risk coefficient threshold value, and sending an early warning to a remote control module;
and a remote control module: the remote control circuit is used for remotely controlling the running state of the circuit and receiving remote instructions for operation.
2. The system for monitoring safe power utilization according to claim 1, wherein the method for collecting the parameter information of the target electric equipment comprises the following steps:
a1, numbering target electric equipment, and respectively marking the number as a 1 ，a 2 ，……，a n ；
A2, collecting current, voltage and temperature and humidity of the target electric equipment in a normal working state through a current and voltage sensor and a temperature and humidity sensor;
a3, after the target electric equipment works for H hours, acquiring the current and voltage of the electric equipment and the change condition of the temperature and the humidity through the current and voltage sensor and the temperature and humidity sensor again;
a4, comparing the current, voltage and temperature and humidity of the electric equipment after the operation H with the current, voltage and temperature and humidity of the electric equipment when the operation is just started;
a5, calculating a power consumption threshold P of the electric equipment in normal operation according to the comparison result Threshold value 。
3. The system for monitoring safe power consumption according to claim 2, wherein the power consumption threshold calculation step when the electric equipment works normally is as follows:
b1, respectively measuring the current, the voltage and the temperature and humidity of the target electric equipment during normal operation by using a current and voltage sensor and a temperature and humidity sensor, and respectively recording as I 1 ，U 1 ，W 1 And T 1 ；
B2, when the target electric equipment works for H hours, continuously repeating the operation of the B1, and measuring the current, the voltage and the temperature and the humidity of the target electric equipment after the target electric equipment works for H hours, wherein the current, the voltage and the temperature and the humidity are respectively recorded as I H ，U H ，W H ，T H ；
B3, substituting the parameters of the target electric equipment in the B1 and the B2 into the formula respectivelyWherein ω= (W) 1 +T 1 )，Δω＝(W H -W 1 )+(T H -T 1 )。
4. The system of claim 1, wherein the system is configured to automatically switch from mains power to backup power to ensure proper operation of the target consumer in the event of a power failure.
5. The system for monitoring safe electricity consumption according to claim 1, wherein the method for calculating the roughness of the line of the target electric equipment is as follows:
c1, measuring the circuit surface of each target electric equipment through a surface roughening instrument, and acquiring circuit surface profile data of the target electric equipment;
c2, line surface profile data of the target electric equipment are represented by a series of measuring point coordinates, wherein the sitting mark of each measuring point is (x, y);
c3, determining the distance between adjacent measuring points, and marking the distance as delta x;
c4, for adjacent measurement points (x 1 ，y 1 ) And (x) 2 ，y 2 ) The height difference is Δh= |y 2 -y 1 |；
C5, substituting Deltax and Deltah into the formula respectivelyWherein R is a Expressed as roughness of the target powered device trace.
6. A system for monitoring and controlling safe electricity consumption according to claim 3, wherein the calculation of the line temperature coefficient of the electric equipment specifically comprises:
the indoor temperature of the area where the target electric equipment is located is measured to be T through a temperature sensor Room temperature The initial temperature of the target electric equipment is T Initiation The initial starting current I of the target electric equipment is measured through a current-voltage sensor 1 The initial starting voltage is U 1 The current of the target electric equipment after working for H hours is measured to be I H The voltage is U H By the formulaCalculating the line resistance of the target electric equipment as R, wherein DeltaU is expressed as (U H -U 1 ) ΔI is expressed as (I H -I 1 )；
The T is set Room temperature 、H、T Initiation 、I 1 、U 1 、I H 、U H And R is substituted into formula beta= [ (I) H -I 1 ) 2 *R*H]+T Initiation +T Room temperature The method comprises the steps of carrying out a first treatment on the surface of the Where β is denoted as the line temperature coefficient of the target powered device.
7. The system for monitoring safe electricity consumption according to claim 1, wherein the risk coefficient of the target electric equipment is evaluated, and specifically comprises:
extracting historical line temperature coefficients corresponding to each monitoring of target electric equipment stored in a database, screening historical power thresholds corresponding to each monitoring of the target electric equipment in a preset historical period, and respectively representing the line temperature and the concentration of the power thresholds corresponding to each monitoring of the target electric equipment in the preset historical period as beta f And P Threshold f Where f=1, 2, … k, f represents the f-th monitoring in the preset history period;
obtaining a fluctuation index theta of the temperature change of the circuit of the target electric equipment according to the circuit temperature coefficient of the target electric equipment;
obtaining the power change fluctuation index gamma of the target electric equipment according to the power threshold value of the target electric equipment j ；
Analyzing risk assessment coefficients of target electric equipmentWherein beta is 1 And beta 2 Respectively representing a risk influence factor corresponding to the preset line temperature change and a risk influence factor corresponding to the power change.
8. The system for monitoring safe electricity consumption according to claim 1, wherein the early warning module specifically comprises:
comparing the risk assessment coefficient of the target electric equipment with a preset electric equipment risk assessment coefficient threshold value, if the risk assessment coefficient of the target electric equipment is larger than the preset electric equipment risk assessment coefficient threshold value, indicating that the target electric equipment has risk, numbering the target electric equipment with risk, and outputting an instruction to a remote control module.
9. A method for monitoring safe electricity use, using a safe electricity use monitoring system according to any one of claims 1 to 8, comprising the steps of:
s1, acquiring parameter information of target electric equipment, and respectively acquiring current, voltage and temperature and humidity of the target electric equipment in a normal working state and in a working H through a current and voltage sensor and a temperature and humidity sensor;
s2, calculating the power threshold value and the change condition of the target electric equipment by analyzing and comparing the current and the voltage of the target electric equipment and the temperature and the humidity;
s3, acquiring the circuit surface of the target electric equipment through a surface roughening instrument to obtain circuit surface roughening parameters of the target electric equipment, and substituting the circuit surface roughening parameters of the target electric equipment into a formula to calculate the circuit roughness of the target electric equipment;
s4, measuring the indoor temperature T of the area where the target electric equipment is located through a temperature sensor Room temperature The initial temperature of the target electric equipment is T Initiation Substituting the parameters of the target electric equipment in the S1 into a formula together to calculate a line temperature coefficient of the target electric equipment;
s5, substituting the power change condition of the target electric equipment and the line temperature coefficient of the target electric equipment obtained through calculation in the S2 and the S4 into a formula to obtain a risk assessment coefficient of the target electric equipment;
s6, comparing the risk assessment coefficient of the target electric equipment with a preset risk assessment coefficient threshold value of the target electric equipment to obtain target electric equipment exceeding the risk assessment coefficient threshold value of the target electric equipment, numbering the target electric equipment, and sending the target electric equipment to the remote control module.
CN202310990493.7A 2023-08-08 2023-08-08 Monitoring system for safe electricity utilization Pending CN116995815A (en)

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Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310990493.7A CN116995815A (en) 2023-08-08 2023-08-08 Monitoring system for safe electricity utilization

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Publication Number Publication Date
CN116995815A true CN116995815A (en) 2023-11-03

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Country Link
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