CN112072794A - Power supply temperature measurement protection system - Google Patents
Power supply temperature measurement protection system Download PDFInfo
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- CN112072794A CN112072794A CN202010939834.4A CN202010939834A CN112072794A CN 112072794 A CN112072794 A CN 112072794A CN 202010939834 A CN202010939834 A CN 202010939834A CN 112072794 A CN112072794 A CN 112072794A
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 38
- 238000012544 monitoring process Methods 0.000 claims abstract description 117
- 238000004458 analytical method Methods 0.000 claims abstract description 56
- 238000001514 detection method Methods 0.000 claims abstract description 56
- 238000004891 communication Methods 0.000 claims abstract description 51
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
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- 238000012545 processing Methods 0.000 claims description 36
- 230000002159 abnormal effect Effects 0.000 claims description 24
- 238000003860 storage Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
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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
- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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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
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
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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
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/047—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a temperature responsive switch
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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
- 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]
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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
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
- H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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
- Y04S40/126—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 using wireless data transmission
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
A power supply temperature measurement protection system comprises a monitoring server, an intelligent analysis subsystem, a circuit protection subsystem and a temperature detection module; the monitoring server is in communication connection with the intelligent analysis subsystem and the circuit protection subsystem; the temperature detection module is in communication connection with the signal amplification module, the signal amplification module is in communication connection with the filtering module, the filtering module is in communication connection with the A/D conversion module, and the A/D conversion module is in communication connection with the monitoring server; the temperature detection module is used for monitoring the temperature of the power supply circuit, and the signal amplification module is used for amplifying the temperature signal; the filtering module filters high-frequency interference signals; the monitoring server is in communication connection with the automatic uploading module, the automatic uploading module is in communication connection with the cloud server, and the cloud server is in wireless connection with the intelligent terminal; the abnormity alarm module is in communication connection with the monitoring server, and the clock module is in communication connection with the monitoring server. The temperature monitoring device disclosed by the invention can be used for monitoring the temperature of the power supply line, can be used for effectively protecting the power supply line, and is simple to operate and excellent in use effect.
Description
Technical Field
The invention relates to the technical field of power engineering, in particular to a power supply temperature measurement protection system.
Background
Electric energy belongs to one of indispensable energy sources in industrial production and daily life, and along with the development of scientific technology, the types and the number of electric equipment applied to production and life are more and more; along with the rapid development of economy and the improvement of people's life, the power consumption is continuously increased, correspondingly, the occurrence of fire accidents in the power supply process is high but not low, the loss caused by the fire accidents is immeasurable, and the temperature of a power supply line is difficult to effectively monitor and protect due to the lack of a system for detecting and protecting the temperature of the power supply line at present and needs to be improved.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a power supply temperature measurement protection system, which realizes the temperature monitoring of a power supply line, can effectively protect the power supply line, and has the advantages of simple operation and excellent use effect.
(II) technical scheme
The invention provides a power supply temperature measurement protection system which comprises a monitoring server, an intelligent analysis subsystem, a circuit protection subsystem, a temperature detection module, a signal amplification module, a filtering module, an A/D conversion module, an automatic uploading module, an abnormal alarm module, a clock module and a cloud server, wherein the monitoring server is connected with the intelligent analysis subsystem through a network;
the monitoring server is in communication connection with the intelligent analysis subsystem and the circuit protection subsystem and used for achieving data receiving and sending and instruction transmission, the intelligent analysis subsystem analyzes the collected data to generate corresponding instructions, and the circuit protection subsystem operates according to the instructions to protect the power supply circuit;
the temperature detection module is in communication connection with the signal amplification module, the signal amplification module is in communication connection with the filtering module, the filtering module is in communication connection with the A/D conversion module, and the A/D conversion module is in communication connection with the monitoring server; the temperature detection module is used for monitoring the temperature data of the power supply circuit and sending the acquired data to the signal amplification module, and the signal amplification module amplifies the temperature signal to output a signal which meets the input requirement of the A/D conversion module; the filtering module adopts a low-pass filter to filter high-frequency interference signals, and the A/D conversion module performs A/D conversion and sends the A/D conversion to the monitoring server;
the monitoring server is in communication connection with the automatic uploading module, the automatic uploading module is in communication connection with the cloud server, and the cloud server is in wireless connection with the intelligent terminal; the automatic uploading module automatically uploads the detection information to the cloud server in real time, the cloud server carries out cloud storage and display on the information data, and remote personnel acquire required information from the cloud server through the intelligent terminal;
the abnormal alarm module is in communication connection with the monitoring server, and the clock module is in communication connection with the monitoring server; when the monitoring server judges that the temperature is abnormal, the monitoring server sends a control instruction to the abnormal alarm module, and the abnormal alarm module gives an alarm to remind personnel of paying attention; the clock module is used for automatically timing and outputting a time signal to the monitoring server so as to enable each piece of detection information to correspond to the time information.
Preferably, the monitoring server comprises a central processing unit, a storage module and a display module; the central processing unit is in communication connection with the storage module and the display module; the central processing unit is used for receiving and transmitting information and instructions, the storage module is used for storing the collected information, and the display module is used for displaying the related information.
Preferably, the circuit protection subsystem comprises a switch control module, a power supply module, a first voltage division module, a second voltage division module and a comparison module;
the first end of the temperature acquisition module is connected with the temperature sampling point, the second end of the temperature acquisition module is connected with the first end of the first voltage division module through the switch control module, the second end of the first voltage division module and the first end of the second voltage division module are respectively connected with the first end of the power supply module, the second end of the second voltage division module outputs internal reference voltage and is connected with the comparison module, one end of the switch control module, which is connected with the first voltage division module, is used as a temperature detection end, and the comparison module is connected with the temperature detection end; the circuit protection subsystem also comprises a drive protection circuit which controls the detected power supply line.
Preferably, the intelligent analysis subsystem comprises a power supply safety knowledge acquisition module, a power supply safety knowledge base, a knowledge base management module, an analysis processing module, a data receiving module and an instruction output module;
the power supply safety knowledge acquisition module is in communication connection with the power supply safety knowledge base so as to send the acquired power supply safety knowledge to the power supply safety knowledge base, and the power supply safety knowledge base stores the power supply safety knowledge in a classified manner;
the knowledge base management module is in communication connection with the power supply safety knowledge base and the analysis processing module and is used for calling relevant power supply safety knowledge from the power supply safety knowledge base and sending the relevant power supply safety knowledge to the analysis processing module;
the analysis processing module is in communication connection with the data receiving module and the instruction output module, the data receiving module is used for receiving data sent by the monitoring server and transmitting the data to the analysis processing module, the analysis processing module is used for analyzing the power supply temperature condition by combining the detection data and the power supply safety knowledge, corresponding instructions are generated after analysis is completed and are sent to the instruction output module, and the instruction output module transmits the instructions back to the monitoring server.
Preferably, the power supply safety knowledge base comprises a static database and a dynamic database;
the static database stores different fault modes and the numerical ranges of electric signals corresponding to the fault modes, the different fault modes and the numerical ranges of the electric signals corresponding to the fault modes form a judgment rule, the analysis processing module judges data monitored by the temperature detection module according to the judgment rule, when the output signal of the driving protection circuit needs to be changed or the working state of the switch module needs to be changed, the analysis processing module outputs a regulating electric signal to the driving protection circuit or the switch module, and the driving protection circuit or the switch module controls the working state of a detected power supply line;
the dynamic database records and stores abnormal electric signals and fault expression forms thereof in each temperature range of the temperature detection module, and is expanded in the using process to form a dynamic database with an autonomous learning mode; the analysis processing module analyzes the data monitored by the temperature detection module according to the judgment rule continuously learned in the dynamic database, distinguishes different temperature change phenomena, and outputs a regulating electric signal to the driving protection circuit or the switch module when determining that the output signal of the driving protection circuit needs to be changed or the working state of the switch module needs to be changed, so that the working state of the detected power supply circuit is controlled, and the detected power supply circuit always works in a normal temperature range.
Preferably, the device further comprises a positioning module; the positioning module is in communication connection with the monitoring server and used for accurately tracking and positioning the power supply circuit and generating positioning data.
Preferably, the device also comprises a voltage monitoring module and a current detection module; the voltage detection module is connected with the signal amplification module and used for monitoring the voltage of the power supply circuit and sending a signal to the signal amplification module; the current detection module is connected with the signal amplification module and used for monitoring the current of the power supply circuit and sending a signal to the signal amplification module.
Preferably, the temperature detection modules are respectively arranged on the plurality of power supply circuits, the plurality of temperature detection modules are all connected to the same bus, and the bus is connected with the signal amplification module.
Preferably, the abnormity alarm module adopts an acousto-optic alarm, and an acousto-optic alarm signal is timely sent out when the temperature of the power supply circuit is abnormal, so that nearby personnel can timely find the abnormal temperature condition of the power supply circuit.
The invention also provides a power supply temperature measurement protection method, which comprises the following steps:
s1, the temperature detection module monitors the temperature of the power supply line and sends a monitoring signal to the signal amplification module;
s2, the signal amplification module amplifies the monitoring signals, the filtering module filters the amplified monitoring signals to filter high-frequency interference signals, and the A/D conversion module converts the signals and sends the data to the monitoring server;
s3, the monitoring server receives the data and sends the data to the intelligent analysis subsystem, and the intelligent analysis subsystem analyzes the data and sends an instruction back to the monitoring server;
s4, when the monitored temperature is larger than the threshold value, the monitoring server controls the circuit protection subsystem to operate according to the received instruction so as to realize the temperature measurement protection of the power supply circuit;
the monitoring server corresponds information generated in the monitoring process to time one by one and uploads the information to the cloud server in real time, and remote personnel know power supply temperature measurement information in real time through the intelligent terminal;
the monitoring server also sends information generated in the monitoring process to the display module, and the display module displays the information so as to facilitate field personnel to know the temperature measurement condition in real time.
The technical scheme of the invention has the following beneficial technical effects:
the temperature detection module monitors the temperature of the power supply line, the signal amplification module amplifies the monitoring signal, the filtering module filters high-frequency interference signals in the monitoring signal, and the A/D conversion module performs signal conversion; the monitoring server sends the converted data to the intelligent analysis subsystem, the intelligent analysis subsystem analyzes the data and sends an instruction back to the monitoring server, and the monitoring server controls the circuit protection subsystem to operate, so that the monitoring server is simple to operate and convenient to use and plays an excellent role in protecting a power supply line; the monitoring server uploads information generated in the monitoring process to the cloud server in real time, remote personnel know temperature measurement information of the power supply line in real time through the intelligent terminal, and the monitoring server sends the information generated in the monitoring process to the display module so that field personnel can know the temperature measurement condition in real time conveniently, and the using effect is good.
Drawings
Fig. 1 is a system block diagram of a power supply temperature measurement protection system according to the present invention.
Fig. 2 is a system block diagram of an intelligent analysis subsystem in a power supply temperature measurement protection system according to the present invention.
Fig. 3 is a system block diagram of a circuit protection subsystem in a power supply temperature measurement protection system according to the present invention.
Fig. 4 is a flowchart of a power supply temperature measurement protection method in a power supply temperature measurement protection system according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-3, the power supply temperature measurement and protection system provided by the present invention includes a monitoring server, an intelligent analysis subsystem, a circuit protection subsystem, a temperature detection module, a signal amplification module, a filtering module, an a/D conversion module, an automatic upload module, an abnormal alarm module, a clock module, and a cloud server;
the monitoring server is in communication connection with the intelligent analysis subsystem and the circuit protection subsystem and used for achieving data receiving and sending and instruction transmission, the intelligent analysis subsystem analyzes the collected data to generate corresponding instructions, and the circuit protection subsystem operates according to the instructions to protect the power supply circuit;
the temperature detection module is in communication connection with the signal amplification module, the signal amplification module is in communication connection with the filtering module, the filtering module is in communication connection with the A/D conversion module, and the A/D conversion module is in communication connection with the monitoring server; the temperature detection module is used for monitoring the temperature data of the power supply circuit and sending the acquired data to the signal amplification module, and the signal amplification module amplifies the temperature signal to output a signal which meets the input requirement of the A/D conversion module; the filtering module adopts a low-pass filter to filter high-frequency interference signals, and the A/D conversion module performs A/D conversion and sends the A/D conversion to the monitoring server;
the monitoring server is in communication connection with the automatic uploading module, the automatic uploading module is in communication connection with the cloud server, and the cloud server is in wireless connection with the intelligent terminal; the automatic uploading module automatically uploads the detection information to the cloud server in real time, the cloud server carries out cloud storage and display on the information data, and remote personnel acquire required information from the cloud server through the intelligent terminal;
the abnormal alarm module is in communication connection with the monitoring server, and the clock module is in communication connection with the monitoring server; when the monitoring server judges that the temperature is abnormal, the monitoring server sends a control instruction to the abnormal alarm module, and the abnormal alarm module gives an alarm to remind personnel of paying attention; the clock module is used for automatically timing and outputting a time signal to the monitoring server so as to enable each piece of detection information to correspond to the time information.
In an optional embodiment, the monitoring server comprises a central processing unit, a storage module and a display module; the central processing unit is in communication connection with the storage module and the display module; the central processing unit is used for receiving and transmitting information and instructions, the storage module is used for storing the collected information, and the display module is used for displaying the related information.
In an optional embodiment, the circuit protection subsystem comprises a switch control module, a power supply module, a first voltage division module, a second voltage division module and a comparison module; the first end of the temperature acquisition module is connected with the temperature sampling point, the second end of the temperature acquisition module is connected with the first end of the first voltage division module through the switch control module, the second end of the first voltage division module and the first end of the second voltage division module are respectively connected with the first end of the power supply module, the second end of the second voltage division module outputs internal reference voltage and is connected with the comparison module, one end of the switch control module, which is connected with the first voltage division module, is used as a temperature detection end, and the comparison module is connected with the temperature detection end; the circuit protection subsystem also comprises a drive protection circuit which controls the detected power supply line.
In an optional embodiment, the intelligent analysis subsystem comprises a power supply safety knowledge acquisition module, a power supply safety knowledge base, a knowledge base management module, an analysis processing module, a data receiving module and an instruction output module; the power supply safety knowledge acquisition module is in communication connection with the power supply safety knowledge base so as to send the acquired power supply safety knowledge to the power supply safety knowledge base, and the power supply safety knowledge base stores the power supply safety knowledge in a classified manner; the knowledge base management module is in communication connection with the power supply safety knowledge base and the analysis processing module and is used for calling relevant power supply safety knowledge from the power supply safety knowledge base and sending the relevant power supply safety knowledge to the analysis processing module; the analysis processing module is in communication connection with the data receiving module and the instruction output module, the data receiving module is used for receiving data sent by the monitoring server and transmitting the data to the analysis processing module, the analysis processing module is used for analyzing the power supply temperature condition by combining the detection data and the power supply safety knowledge, corresponding instructions are generated after analysis is completed and are sent to the instruction output module, and the instruction output module transmits the instructions back to the monitoring server.
In an alternative embodiment, the power supply safety knowledge base comprises a static database and a dynamic database; the static database stores different fault modes and the numerical ranges of electric signals corresponding to the fault modes, the different fault modes and the numerical ranges of the electric signals corresponding to the fault modes form a judgment rule, the analysis processing module judges data monitored by the temperature detection module according to the judgment rule, when the output signal of the driving protection circuit needs to be changed or the working state of the switch module needs to be changed, the analysis processing module outputs a regulating electric signal to the driving protection circuit or the switch module, and the driving protection circuit or the switch module controls the working state of a detected power supply line; the dynamic database records and stores abnormal electric signals and fault expression forms thereof in each temperature range of the temperature detection module, and is expanded in the using process to form a dynamic database with an autonomous learning mode; the analysis processing module analyzes the data monitored by the temperature detection module according to the judgment rule continuously learned in the dynamic database, distinguishes different temperature change phenomena, and outputs a regulating electric signal to the driving protection circuit or the switch module when determining that the output signal of the driving protection circuit needs to be changed or the working state of the switch module needs to be changed, so that the working state of the detected power supply circuit is controlled, and the detected power supply circuit always works in a normal temperature range.
In an optional embodiment, the system further comprises a positioning module; the positioning module is in communication connection with the monitoring server and used for accurately tracking and positioning the power supply circuit and generating positioning data.
In an optional embodiment, the device further comprises a voltage monitoring module and a current detection module; the voltage detection module is connected with the signal amplification module and used for monitoring the voltage of the power supply circuit and sending a signal to the signal amplification module; the current detection module is connected with the signal amplification module and used for monitoring the current of the power supply circuit and sending a signal to the signal amplification module.
In an optional embodiment, the temperature detection modules are respectively disposed on the plurality of power supply circuits, and the plurality of temperature detection modules are all connected to the same bus, and the bus is connected to the signal amplification module.
In an optional embodiment, the abnormality alarm module adopts an audible and visual alarm, and an audible and visual alarm signal is timely sent out when the temperature of the power supply circuit is abnormal, so that nearby personnel can timely find the abnormal temperature condition of the power supply circuit.
As shown in fig. 4, the present invention further provides a power supply temperature measurement protection method, which includes the following steps:
s1, the temperature detection module monitors the temperature of the power supply line and sends a monitoring signal to the signal amplification module;
s2, the signal amplification module amplifies the monitoring signals, the filtering module filters the amplified monitoring signals to filter high-frequency interference signals, and the A/D conversion module converts the signals and sends the data to the monitoring server;
s3, the monitoring server receives the data and sends the data to the intelligent analysis subsystem, and the intelligent analysis subsystem analyzes the data and sends an instruction back to the monitoring server;
s4, when the monitored temperature is larger than the threshold value, the monitoring server controls the circuit protection subsystem to operate according to the received instruction so as to realize the temperature measurement protection of the power supply circuit; the monitoring server corresponds information generated in the monitoring process to time one by one and uploads the information to the cloud server in real time, and remote personnel know power supply temperature measurement information in real time through the intelligent terminal; the monitoring server also sends information generated in the monitoring process to the display module, and the display module displays the information so as to facilitate field personnel to know the temperature measurement condition in real time.
When the temperature monitoring device is used, the temperature detection module monitors the temperature of a power supply line, the signal amplification module amplifies monitoring signals, the filtering module filters high-frequency interference signals in the monitoring signals, and the A/D conversion module converts the signals and sends the data to the monitoring server; the monitoring server sends the data to the intelligent analysis subsystem, the intelligent analysis subsystem analyzes the data and sends an instruction back to the monitoring server, and the monitoring server controls the circuit protection subsystem to operate according to the received instruction so as to realize the protection of a power supply circuit; the monitoring server uploads the information generated in the monitoring process to the cloud server in real time in a one-to-one correspondence mode, remote personnel know power supply temperature measurement information in real time through the intelligent terminal, the monitoring server sends the information generated in the monitoring process to the display module, and the display module displays the information so that field personnel can know the temperature measurement condition in real time conveniently.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A power supply temperature measurement protection system is characterized by comprising a monitoring server, an intelligent analysis subsystem, a circuit protection subsystem, a temperature detection module, a signal amplification module, a filtering module, an A/D conversion module, an automatic uploading module, an abnormal alarm module, a clock module and a cloud server;
the monitoring server is in communication connection with the intelligent analysis subsystem and the circuit protection subsystem and used for achieving data receiving and sending and instruction transmission, the intelligent analysis subsystem analyzes the collected data to generate corresponding instructions, and the circuit protection subsystem operates according to the instructions to protect the power supply circuit;
the temperature detection module is in communication connection with the signal amplification module, the signal amplification module is in communication connection with the filtering module, the filtering module is in communication connection with the A/D conversion module, and the A/D conversion module is in communication connection with the monitoring server; the temperature detection module is used for monitoring the temperature data of the power supply circuit and sending the acquired data to the signal amplification module, and the signal amplification module amplifies the temperature signal to output a signal which meets the input requirement of the A/D conversion module; the filtering module adopts a low-pass filter to filter high-frequency interference signals, and the A/D conversion module performs A/D conversion and sends the A/D conversion to the monitoring server;
the monitoring server is in communication connection with the automatic uploading module, the automatic uploading module is in communication connection with the cloud server, and the cloud server is in wireless connection with the intelligent terminal; the automatic uploading module automatically uploads the detection information to the cloud server in real time, the cloud server carries out cloud storage and display on the information data, and remote personnel acquire required information from the cloud server through the intelligent terminal;
the abnormal alarm module is in communication connection with the monitoring server, and the clock module is in communication connection with the monitoring server; when the monitoring server judges that the temperature is abnormal, the monitoring server sends a control instruction to the abnormal alarm module, and the abnormal alarm module gives an alarm to remind personnel of paying attention; the clock module is used for automatically timing and outputting a time signal to the monitoring server so as to enable each piece of detection information to correspond to the time information.
2. The power supply temperature measurement and protection system according to claim 1, wherein the monitoring server comprises a central processing unit, a storage module and a display module; the central processing unit is in communication connection with the storage module and the display module; the central processing unit is used for receiving and transmitting information and instructions, the storage module is used for storing the collected information, and the display module is used for displaying the related information.
3. The power supply temperature measurement protection system according to claim 1, wherein the circuit protection subsystem comprises a switch control module, a power supply module, a first voltage division module, a second voltage division module and a comparison module;
the first end of the temperature acquisition module is connected with the temperature sampling point, the second end of the temperature acquisition module is connected with the first end of the first voltage division module through the switch control module, the second end of the first voltage division module and the first end of the second voltage division module are respectively connected with the first end of the power supply module, the second end of the second voltage division module outputs internal reference voltage and is connected with the comparison module, one end of the switch control module, which is connected with the first voltage division module, is used as a temperature detection end, and the comparison module is connected with the temperature detection end; the circuit protection subsystem also comprises a drive protection circuit which controls the detected power supply line.
4. The power supply temperature measurement and protection system according to claim 1, wherein the intelligent analysis subsystem comprises a power supply safety knowledge acquisition module, a power supply safety knowledge base, a knowledge base management module, an analysis processing module, a data receiving module and an instruction output module;
the power supply safety knowledge acquisition module is in communication connection with the power supply safety knowledge base so as to send the acquired power supply safety knowledge to the power supply safety knowledge base, and the power supply safety knowledge base stores the power supply safety knowledge in a classified manner;
the knowledge base management module is in communication connection with the power supply safety knowledge base and the analysis processing module and is used for calling relevant power supply safety knowledge from the power supply safety knowledge base and sending the relevant power supply safety knowledge to the analysis processing module;
the analysis processing module is in communication connection with the data receiving module and the instruction output module, the data receiving module is used for receiving data sent by the monitoring server and transmitting the data to the analysis processing module, the analysis processing module is used for analyzing the power supply temperature condition by combining the detection data and the power supply safety knowledge, corresponding instructions are generated after analysis is completed and are sent to the instruction output module, and the instruction output module transmits the instructions back to the monitoring server.
5. The power supply temperature measurement protection system according to claim 4, wherein the power supply safety knowledge base comprises a static database and a dynamic database;
the static database stores different fault modes and the numerical ranges of electric signals corresponding to the fault modes, the different fault modes and the numerical ranges of the electric signals corresponding to the fault modes form a judgment rule, the analysis processing module judges data monitored by the temperature detection module according to the judgment rule, when the output signal of the driving protection circuit needs to be changed or the working state of the switch module needs to be changed, the analysis processing module outputs a regulating electric signal to the driving protection circuit or the switch module, and the driving protection circuit or the switch module controls the working state of a detected power supply line;
the dynamic database records and stores abnormal electric signals and fault expression forms thereof in each temperature range of the temperature detection module, and is expanded in the using process to form a dynamic database with an autonomous learning mode; the analysis processing module analyzes the data monitored by the temperature detection module according to the judgment rule continuously learned in the dynamic database, distinguishes different temperature change phenomena, and outputs a regulating electric signal to the driving protection circuit or the switch module when determining that the output signal of the driving protection circuit needs to be changed or the working state of the switch module needs to be changed, so that the working state of the detected power supply circuit is controlled, and the detected power supply circuit always works in a normal temperature range.
6. The power supply temperature measurement protection system according to claim 1, further comprising a positioning module; the positioning module is in communication connection with the monitoring server and used for accurately tracking and positioning the power supply circuit and generating positioning data.
7. The power supply temperature measurement protection system according to claim 1, further comprising a voltage monitoring module and a current detection module; the voltage detection module is connected with the signal amplification module and used for monitoring the voltage of the power supply circuit and sending a signal to the signal amplification module; the current detection module is connected with the signal amplification module and used for monitoring the current of the power supply circuit and sending a signal to the signal amplification module.
8. The power supply temperature measurement protection system according to claim 1, wherein the temperature detection modules are respectively disposed on the plurality of power supply circuits, and the plurality of temperature detection modules are all connected to a same bus, and the bus is connected to the signal amplification module.
9. The power supply temperature measurement protection system according to claim 1, wherein the abnormality alarm module employs an audible and visual alarm, and timely emits an audible and visual alarm signal when the temperature of the power supply circuit is abnormal, so that nearby personnel can timely find the abnormal temperature condition of the power supply circuit.
10. A power supply temperature measurement protection system according to any one of claims 1 to 9, and a power supply temperature measurement protection method thereof is also provided, which is characterized by comprising the following steps:
s1, the temperature detection module monitors the temperature of the power supply line and sends a monitoring signal to the signal amplification module;
s2, the signal amplification module amplifies the monitoring signals, the filtering module filters the amplified monitoring signals to filter high-frequency interference signals, and the A/D conversion module converts the signals and sends the data to the monitoring server;
s3, the monitoring server receives the data and sends the data to the intelligent analysis subsystem, and the intelligent analysis subsystem analyzes the data and sends an instruction back to the monitoring server;
s4, when the monitored temperature is larger than the threshold value, the monitoring server controls the circuit protection subsystem to operate according to the received instruction so as to realize the temperature measurement protection of the power supply circuit;
the monitoring server corresponds information generated in the monitoring process to time one by one and uploads the information to the cloud server in real time, and remote personnel know power supply temperature measurement information in real time through the intelligent terminal;
the monitoring server also sends information generated in the monitoring process to the display module, and the display module displays the information so as to facilitate field personnel to know the temperature measurement condition in real time.
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| CN202010939834.4A CN112072794A (en) | 2020-09-09 | 2020-09-09 | Power supply temperature measurement protection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114495404A (en) * | 2022-02-21 | 2022-05-13 | 武汉理工光科股份有限公司 | Control power supply system of fire alarm controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114495404A (en) * | 2022-02-21 | 2022-05-13 | 武汉理工光科股份有限公司 | Control power supply system of fire alarm controller |
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