CN113112776A - Safety protection system for power distribution network - Google Patents

Safety protection system for power distribution network Download PDF

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Publication number
CN113112776A
CN113112776A CN202010033511.9A CN202010033511A CN113112776A CN 113112776 A CN113112776 A CN 113112776A CN 202010033511 A CN202010033511 A CN 202010033511A CN 113112776 A CN113112776 A CN 113112776A
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Prior art keywords
power distribution
early warning
terminal
subsystem
information
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邱洪
尚小勇
王雁生
郝利强
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Zhengzhou Taihong Electric Co ltd
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Zhengzhou Taihong Electric Co ltd
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Priority to CN202010033511.9A priority Critical patent/CN113112776A/en
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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/002Generating a prealarm to the central station
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/08Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/08Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0852Delays
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • Multimedia (AREA)
  • Environmental & Geological Engineering (AREA)
  • Alarm Systems (AREA)

Abstract

The invention discloses a power distribution network safety protection system which comprises a master station, a phone module, a security terminal, a time monitoring terminal, a background monitoring terminal, an equipment networking server and a power distribution terminal, wherein the master station is in communication connection with optical transmission equipment, the optical transmission equipment is connected with a communication power supply, the optical transmission equipment is in communication connection with the phone module, the optical transmission equipment is also in communication connection with the security terminal, the optical transmission equipment is respectively in communication connection with the time monitoring terminal, the background monitoring terminal and the equipment networking server through a communication management machine and an exchanger, the equipment networking server is in communication connection with the power distribution terminal, a GPS positioning module is arranged in the power distribution terminal, and the GPS positioning module is in communication connection with the equipment networking server.

Description

Safety protection system for power distribution network
Technical Field
The invention relates to the technical field of safety protection of power distribution networks, in particular to a safety protection system of a power distribution network.
Background
With the development of national economy and the continuous promotion of urbanization process in China, the urban development drives the demand of the whole society on electric power, the switching station of a power distribution room is correspondingly increased, and the early safety protection system gradually exposes a plurality of problems.
The fire alarm device, environmental monitoring and intrusion alarm device are not installed to current power distribution room switching station, and simultaneously, power distribution room switching station safety protection facility does not maintain or maintains the not standard, is often in the state of damaging or stopping, and safety protection facility fault information is not in time uploaded, and safety protection facility's hidden danger can't in time master.
In addition, under the condition of high-speed development of the domestic power distribution network at present, although the construction of a time synchronization system has been greatly developed, a plurality of defects still exist, for example, time synchronization does not form networking, a centralized monitoring and controlling means and method of the time synchronization system is lacked, and the current network time synchronization and delay measuring method is based on the ping-pong principle of software time scales on an application layer and is realized on the basis of the existing protocol of the traditional transformer substation or intelligent station.
However, in the existing time delay measurement technology, the local area network can only reach 10ms on the index of the delay measurement accuracy, if the network is complex, the index can far exceed 10ms, but the requirement of a few devices such as a PMU (phasor measurement Unit), a traveling wave distance measurement device, a lightning positioning device and the like on the time accuracy in a power system is far higher than 10ms, so that the application of the existing technology cannot completely meet the requirement of practical application, and brings much inconvenience to the operation and running of a transformer substation.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a power distribution network safety protection system which is used for solving the problem that hidden dangers of a fire alarm device, an environment monitoring and intrusion alarm device and safety protection facilities cannot be mastered in time in the prior art, and also solving the problem that the time setting and delay measurement accuracy of a power system in the prior art is not high.
In order to achieve the purpose, the invention provides the following technical scheme:
a power distribution network safety protection system comprises a master station, a phone module, a security terminal, a time monitoring terminal, a background monitoring terminal, an equipment networking server and a power distribution terminal, wherein the master station is in communication connection with an optical transmission device through an ODF distribution frame, the optical transmission device is connected with a communication power supply, the optical transmission device is in communication connection with the phone module through a VDF distribution frame, the optical transmission device is also in communication connection with the security terminal, the security terminal comprises a fire-fighting alarm subsystem, a video monitoring subsystem, an information acquisition subsystem and an early warning subsystem, the optical transmission device is in communication connection with the time monitoring terminal, the background monitoring terminal and the equipment networking server through a communication manager and a switch respectively, the time monitoring terminal comprises a satellite clock module and a time monitoring module, and a serial code output end of the satellite clock module is in communication connection with a serial code receiving end of the time monitoring module, the device comprises a satellite clock module, a time monitoring module, a distribution terminal, a GPS positioning module and a GPS positioning module, wherein the message output end of the satellite clock module is in communication connection with the message receiving end of the time monitoring module through a switch, the device networking server is in communication connection with the distribution terminal, the distribution terminal is internally provided with the GPS positioning module, and the GPS positioning module is in communication connection with the device networking server.
Through the technical scheme, the running condition of the power distribution terminal can be monitored in real time through the background monitoring terminal, when the fault condition is monitored, the alarm can be given through the security terminal, the loss is avoided, meanwhile, the network delay value can be measured through the satellite clock module, the accuracy of measured data is improved, and the network delay value is guaranteed within the normal running bearable range of the power distribution network.
The invention is further configured to: the communication power supply is a 48V communication power supply.
Through the technical scheme, the optical transmission equipment can be efficiently supplied with power through the 48V communication power supply.
The invention is further configured to: the information acquisition subsystem is used for acquiring environmental information of the power distribution room and sending the environmental information to the background monitoring terminal through the optical transmission equipment, the communication manager and the switch;
the early warning subsystem is used for generating an early warning command according to the abnormal information of the power distribution room and a preset early warning threshold value, and sending the abnormal information and the early warning command to the background monitoring terminal through the optical transmission equipment, the communication manager and the switch;
the video monitoring subsystem comprises a plurality of cameras arranged in the power distribution room, and the cameras are used for capturing pictures of the power distribution room in real time on site when the power distribution room is started and sending the captured pictures to the background monitoring terminal through the optical transmission equipment, the communication management machine and the switch;
the fire-fighting alarm subsystem comprises a fire-fighting alarm host, a plurality of temperature detectors and a plurality of smoke detectors, wherein the fire-fighting alarm host, the plurality of temperature detectors and the plurality of smoke detectors are arranged in a power distribution room, the temperature detectors and the smoke detectors are connected to the fire-fighting alarm host, and when the fire-fighting alarm host detects that the output current of the temperature detectors or the smoke detectors is larger than a preset temperature-sensing maximum value, an early-warning command is generated and transmitted to the background monitoring terminal through the optical transmission equipment, the communication management machine and;
the background monitoring terminal is used for receiving and storing the environment information, the abnormal information and the picture.
Through the technical scheme, the alarm can be given to the user according to the environmental information of the power distribution room or the fire disaster of the power distribution room, meanwhile, the environment of the power distribution room is monitored in real time, when abnormal conditions occur, pictures can be taken at real time on site, the received pictures, the environmental information and the abnormal information are uploaded to the background monitoring terminal after the power distribution room is connected to the network, and the functions of fire alarm and environment monitoring are achieved.
The invention is further configured to: the early warning subsystem includes ozone early warning subsystem, ozone early warning subsystem is including setting up ozone early warning ware and the ozone sensor in joining in marriage electrical room, the ozone sensor is used for detecting the ozone content in joining in marriage electrical room to transmit the ozone content that detects to ozone early warning ware, abnormal information includes ozone content, the early warning threshold value includes ozone content increase threshold value, ozone early warning ware is used for saving received ozone content, ozone early warning ware still is used for calculating the ozone content in the current time quantum according to the detection time of predetermineeing to ozone content and the last time quantum of contrast current time quantum when ozone content and the last time quantum, and the difference is greater than predetermined ozone increase threshold value, generates the early warning order and passes through light transmission equipment, communication manager and switch and upload to backstage monitoring terminal.
Through above-mentioned technical scheme, can real-time supervision switch board switch's ageing degree according to the ozone content in the joining in marriage electrical room, if ozone content is than higher, then prove that there is ageing danger in switch board switch, can prevent dangerous emergence through ozone early warning subsystem.
The invention is further configured to: the early warning subsystem includes the invasion early warning subsystem, the invasion early warning subsystem is including setting up infrared perimeter alarm system, alarm and access control system in the power distribution room, abnormal information includes infrared perimeter alarm system's output value and access control system's state, the early warning threshold value includes infrared perimeter threshold value, works as when the invasion subsystem judges that infrared perimeter alarm system's output value is greater than infrared perimeter threshold value and access control system is in the invasion state, control alarm warning, generates the early warning command and uploads to backstage monitor terminal through optical transmission equipment, communication manager and switch.
Through the technical scheme, the anti-intrusion and anti-theft monitoring effect is achieved through the early warning subsystem, whether people invade or not is detected through the infrared perimeter alarm system, and when people invade, the early warning subsystem can be used for giving an alarm.
The invention is further configured to: the background monitoring terminal learns the previously received environmental information and abnormal information by using a machine learning method, and automatically adjusts the early warning threshold value of the early warning subsystem according to the learning result.
Through the technical scheme, the background monitoring terminal can be used for regularly updating according to the previous environmental information and the abnormal information.
The invention is further configured to: the information acquisition subsystem includes the humiture acquisition subsystem, the humiture acquisition subsystem is including setting up a plurality of temperature sensor and the humidity transducer in joining in marriage the electrical room, temperature sensor and humidity transducer are used for detecting temperature and humidity in joining in marriage the electrical room respectively, and environmental information includes temperature information and humidity information, backstage monitor terminal is used for the storage to come from temperature information and the humidity information that the humiture acquisition subsystem gathered to the time of record received temperature information and humidity information, backstage monitor terminal still is used for when inputing monitoring period, transfers and shows monitoring period's temperature and humidity.
Through above-mentioned technical scheme, realize carrying out real-time supervision to the temperature and the humidity in joining in marriage the electrical room through humiture collection subsystem, judge in advance the environment of joining in marriage the electrical room according to the temperature and the humidity in joining in marriage the electrical room, can play the effect of conflagration early warning.
The invention is further configured to: and a microcomputer comprehensive protection device is arranged in the power distribution terminal and is in communication connection with the equipment networking server.
Through the technical scheme, the microcomputer comprehensive protection device is arranged in the power distribution terminal, the trouble that a large number of measuring meters are arranged in the power distribution terminal is eliminated, and the internal occupied space of the power distribution terminal is saved.
The invention is further configured to: the background monitoring terminal is reserved with a mobile phone number of the staff, and sends the received environmental information, abnormal information and pictures to the mobile phone of the staff in a short message mode.
By the technical scheme, when no person on duty exists in the monitoring room, the information received by the background monitoring terminal can be sent to the mobile phone of the worker in a short message mode so as to inform the worker.
The invention is further configured to: the background monitoring terminal comprises a UPS (uninterrupted power supply), a host, a display screen, a keyboard and a printer, wherein the UPS supplies power to the host, the display screen, the keyboard and the printer.
Through above-mentioned technical scheme, utilize the UPS power can carry out uninterrupted power supply to above-mentioned part to can print the paper piece of relevant information through the printer.
In conclusion, the invention has the following beneficial effects:
(1) the operation condition of the power distribution terminal can be monitored in real time through the background monitoring terminal, and when the fault condition is monitored, the alarm can be given through the security terminal, so that the loss is avoided;
(2) the satellite clock module can measure the network delay value, so that the accuracy of the measured data is improved, and the network delay value is ensured to be within the normal operation bearable range of the power distribution network;
(3) by reserving the mobile phone number of the staff in the background monitoring terminal, when no person is present in the duty room, the background monitoring terminal can send the received information to the mobile phone of the staff in a short message manner so as to inform the staff;
(4) through set up ozone early warning subsystem in the early warning subsystem, can join in marriage the interior ozone content of electrical room through real-time supervision, and learn the ageing degree of switch board switch to can play the danger that the prevention switch board switch brought because of ageing.
Drawings
FIG. 1 is a general schematic diagram of a power distribution network safety protection system of the present invention;
FIG. 2 is a block diagram of the structural connections of the security terminal of the present invention;
fig. 3 is a block diagram of a time monitoring terminal according to the present invention.
Reference numerals: 1. a master station; 2. a phone module; 3. a security terminal; 31. a fire alarm subsystem; 32. a video monitoring subsystem; 33. an information acquisition subsystem; 34. an early warning subsystem; 4. a time monitoring terminal; 41. a satellite clock module; 42. a time monitoring module; 5. a background monitoring terminal; 6. a device networking server; 7. a power distribution terminal; 71. a microcomputer integrated protection device; 72. a GPS positioning module; 8. an optical transmission device; 9. a communication manager; 10. a switch; 11. and (6) communication power supply.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention, belong to the protection scope of the present invention.
The present invention will be described in detail below with reference to the accompanying drawings.
Please refer to fig. 1, which is an overall schematic diagram of the power distribution network safety protection system of the present invention, as shown in the figure, the power distribution network safety protection system may include a master station 1, a phone module 2, a security terminal 3, a time monitoring terminal 4, a background monitoring terminal 5, an equipment networking server 6, and a power distribution terminal 7, the master station 1 is in communication connection with an optical transmission device 8, the optical transmission device 8 is in communication connection with the phone module 2, the security terminal 3, and a communication manager 9, respectively, the communication manager 9 is in communication connection with an exchanger 10, the exchanger 10 is in communication connection with the time monitoring terminal 4, the background monitoring terminal 5, and the equipment networking server 6, the equipment networking server 6 is in communication connection with the power distribution terminal 7, and the following describes the structure of each component in detail.
Referring to fig. 1, the master station 1 may be communicatively connected to the optical transmission device 8 through an ODF distribution frame, the phone module 2 may be communicatively connected to the optical transmission device 8 through a VDF distribution frame, and the optical transmission device 8 may further be connected to a communication power supply 11 to supply power to the optical transmission device 8.
Referring to fig. 2, a structural connection block diagram of the security terminal of the present invention is shown, where in this embodiment, the security terminal 3 may include a fire alarm subsystem 31, a video monitoring subsystem 32, an information acquisition subsystem 33, and an early warning subsystem 34.
Wherein, the fire-fighting alarm subsystem 31 can comprise an alarm device arranged in a power distribution room, a plurality of temperature detectors and a plurality of smoke detectors, the temperature detectors and the smoke detectors are connected to the alarm device, when the alarm device detects that the output current of the temperature detector and the smoke detector is larger than the preset temperature sensing maximum value, the temperature in the power distribution room is overhigh or the smoke is overlarge, and abnormal conditions such as fire disaster and the like can exist, the alarm device is in communication connection with the background monitoring terminal 5 through the optical transmission equipment 8, the communication manager 9 and the switch 10, and the alarm device is also in communication connection with the fire-fighting platform, when abnormal conditions such as fire disaster and the like occur in the power distribution room, the alarm device sends a message to the background monitoring terminal 5, and the alarm device can also give an alarm to the fire-fighting platform so as to avoid generating excessive loss.
The video monitoring subsystem 32 may include a plurality of cameras disposed in the power distribution room, and the plurality of cameras are in communication connection with the background monitoring terminal 5 through the optical transmission device 8, the communication manager 9 and the switch 10, respectively, so as to monitor the environment in the power distribution room and take pictures.
Wherein, the information collection subsystem 33 is used for collecting environmental information of the power distribution room, and sending the environmental information to the background monitoring terminal 5 through the optical transmission device 8, the communication manager 9 and the switch 10, the information collection subsystem 33 may include a temperature and humidity collection subsystem, the temperature and humidity collection subsystem includes a plurality of temperature sensors and humidity sensors arranged in the power distribution room, the temperature sensors and the humidity sensors are used for respectively detecting temperature and humidity in the power distribution room, and the environmental information may include temperature information and humidity information, and the background monitoring terminal 5 is used for storing the temperature information and the humidity information and recording the time of receiving the temperature information and the humidity information, the background monitoring terminal 5 may also call and display the temperature and the humidity in the monitoring time period when inputting the monitoring time period, therefore, real-time monitoring on the temperature and the humidity of the power distribution room can be achieved through the temperature and humidity acquisition subsystem, and the environment of the power distribution room is pre-judged according to the temperature and the humidity in the power distribution room, so that the fire early warning effect can be achieved.
Wherein, the early warning subsystem 34 is configured to generate an early warning command according to the abnormal information of the power distribution room and a preset early warning threshold, and send the abnormal information and the early warning command to the background monitoring terminal 5 through the optical transmission device 8, the communication manager 9 and the switch 10, preferably, in this embodiment, the early warning subsystem 34 may include an ozone early warning subsystem, specifically, the ozone early warning subsystem includes an ozone early warning device and an ozone sensor that are disposed in the power distribution room, the ozone sensor is configured to detect the ozone content in the power distribution room and transmit the detected ozone content to the ozone early warning device, the abnormal information may include the ozone content, the early warning threshold may include an ozone increase threshold, the ozone early warning device is configured to store the received ozone content, the ozone early warning device is further configured to calculate the ozone content in the current time period according to a preset detection time, and comparing the ozone content in the current time period with the ozone content in the previous time period, and when the difference is greater than a preset ozone increase threshold value, generating an early warning command and uploading the early warning command to a background monitoring terminal through the optical transmission equipment 8, the communication manager 9 and the switch 10.
Borrow this, can real-time supervision join in marriage the ozone content in the electrical room through ozone early warning subsystem, when ozone content presents the increase by a wide margin in a period, then prove that the switch board switch has ageing danger, borrow this, can prevent the switch board switch because of ageing danger that brings through ozone early warning subsystem.
Preferably, in this embodiment, the early warning subsystem 34 may further include an oxygen early warning subsystem and a hydrogen early warning subsystem, and specifically, the oxygen early warning subsystem includes an oxygen early warning device and an oxygen sensor disposed in the power distribution room, the oxygen sensor is configured to detect an oxygen content in the power distribution room and transmit the detected oxygen content to the oxygen early warning device, and similarly, the hydrogen early warning subsystem may include a hydrogen early warning subsystem and a hydrogen sensor disposed in the power distribution room, the hydrogen sensor is configured to detect a hydrogen content in the power distribution room and transmit the detected hydrogen content to the hydrogen early warning device, and the anomaly information may include an oxygen content and a hydrogen content, the early warning threshold may include an oxygen reduction threshold and a hydrogen reduction threshold, the oxygen early warning device and the hydrogen early warning device are configured to store the received oxygen content and the received hydrogen content respectively, the oxygen early warning device and the hydrogen early warning device are further used for calculating the oxygen content and the average value of the hydrogen content in the current time period according to preset detection time, comparing the oxygen content and the average value of the hydrogen content in the current time period with the average value of the oxygen content and the average value of the hydrogen content in the previous time period, and generating an early warning command and uploading the early warning command to the background monitoring terminal 5 through the optical transmission device 8, the communication manager 9 and the switch 10 when the difference value is larger than a preset oxygen reduction threshold value and a preset hydrogen reduction threshold value.
Because the reason of fire is related to the oxygen content and the hydrogen content, the oxygen content and the hydrogen content can be strictly controlled through the oxygen early warning subsystem and the hydrogen early warning subsystem, and the oxygen content and the hydrogen content are uploaded to the background monitoring terminal 5 in real time, so that the fire is avoided.
Wherein, the preferred, in this embodiment, early warning subsystem 34 can also include the intrusion warning subsystem, the intrusion warning subsystem can be including setting up infrared perimeter alarm system, alarm and access control system in the power distribution room, abnormal information can include infrared perimeter alarm system's output value and access control system's state, the early warning threshold value can include infrared perimeter threshold value, works as when the intrusion warning subsystem judges that infrared perimeter alarm system's output value is greater than infrared perimeter threshold value and access control system is in the intrusion state, control the alarm and report to the police, generates the early warning order and uploads to backstage monitor terminal through optical transmission equipment 8, communication manager 9 and switch 10.
In this embodiment, the background monitoring terminal 5 may learn the previously received environmental information and abnormal information by using a machine learning method, and automatically adjust the early warning threshold of the early warning subsystem 34 according to the learning result, so that the background monitoring terminal 5 may update the early warning threshold in real time to be suitable for different environmental conditions.
Therefore, the system can monitor the environment of the power distribution room in real time through the information acquisition subsystem 33, detect abnormal conditions of the power distribution room through the early warning subsystem 34, and perform early warning, detect whether the power distribution room is in fire through the fire protection subsystem 31, and give an alarm when the fire occurs, when the environment of the power distribution room is abnormal or in fire, control the camera in the video monitoring subsystem 32 to capture the picture of the scene in real time, and upload the received picture, environment information and abnormal information to the background monitoring terminal 5 through the optical transmission device 8, the communication manager 9 and the switch 10 after being connected to the network, which can play the role of fire protection alarm and environment monitoring, preferably, in the embodiment, the background monitoring terminal 5 is reserved with the mobile phone number of the staff, therefore, the background monitoring terminal 5 can monitor the received picture, environment, The environmental information and the abnormal information are sent to a mobile phone of a worker in a short message mode to inform the worker, so that the worker can know the abnormal condition of the power distribution room at the first time and effectively process the abnormal condition.
Referring to fig. 3, which is a block diagram of a time monitoring terminal according to the present invention, as shown in the figure, the time monitoring terminal 4 may include a satellite clock module 41 and a time monitoring module 42, a serial code output end of the satellite clock module 41 is in communication connection with a serial code receiving end of the time monitoring module 42, and a message output end of the satellite clock module 41 is connected to a message receiving end of the time monitoring module 42 through a switch.
The specific working principle of the time monitoring terminal 4 is as follows: the time monitoring module 42 can receive the serial time code signal, monitor the serial time code signal, and receive the message signal, and monitor the network signal time delay of the bracket of the satellite clock module 41 and the time monitoring module 42, the satellite clock module 41 sends the message signal to the outside, and records the time of sending the message signal, and transmits the recorded message time to the time monitoring module 42, the message signal is transmitted to the time monitoring module 42 through the switch 10, the time monitoring module 42 records the time of receiving the message signal, the difference between the time of receiving the message signal by the time monitoring module 42 and the time of sending the message signal by the satellite clock module 41 is the message signal delay value, when the time monitoring module 42 adopts a short optical fiber, the network time delay value can be ignored, therefore, the sum of the message delay value and the time delay value of the time monitoring module 42 itself is the network delay value to be monitored, after the time monitoring module 42 monitors the network delay value, the monitored time values and the network delay are respectively transmitted to the background monitoring terminal 5, and the data received by the background monitoring terminal 5 is compared with the network delay value to determine whether the network delay is within the bearable range of the normal operation of the power distribution network, so that the satellite clock module 41 can measure the network delay value, and the accuracy of measuring the data is improved.
In this embodiment, the background monitoring terminal 5 may include a UPS power supply, a host, a display screen, a keyboard, and a printer, and the UPS power supply may supply power to the host, the display screen, the keyboard, and the printer without interruption.
Wherein, can be provided with computer integrated protection device 71 and GPS orientation module 72 in the distribution terminal 7, it is concrete, computer integrated protection device 71 and GPS orientation module 72 respectively with equipment networking server 6 communication connection, adopt computer integrated protection device 71 can save the loaded down with trivial details procedure of installing a plurality of strapping tables in the switch board to, also saved the space in the switch board, GPS orientation module 72 can fix a position distribution terminal 7's position in real time, when distribution terminal 7 breaks down, can be quick find the distribution terminal of trouble and maintain, saved the time.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (10)

1. The utility model provides a distribution network safety protection system, a serial communication port, including main website (1), phone module (2), security protection terminal (3), time monitor terminal (4), backstage monitor terminal (5), equipment networking server (6) and distribution terminal (7), wherein, main website (1) passes through ODF distribution frame and optical transmission equipment (8) communication connection, optical transmission equipment (8) are connected with communication power supply (11), optical transmission equipment (8) pass through VDF distribution frame and phone module (2) communication connection, optical transmission equipment (8) still with security protection terminal (3) communication connection, security protection terminal (3) are including fire control warning subsystem (31), video monitoring subsystem (32), information acquisition subsystem (33) and early warning subsystem (34), optical transmission equipment (8) pass through communication supervisor (9) and switch (10) respectively with time monitor terminal (4), Backstage monitor terminal (5) and equipment networking server (6) communication connection, time monitor terminal (4) include satellite clock module (41) and time monitor module (42), the serial code output of satellite clock module (41) and the serial code receiving terminal communication connection of time monitor module (42), the message output of satellite clock module (41) passes through switch (10) with the message receiving terminal of time monitor module (42) and is connected, equipment networking server (6) and power distribution terminal (7) communication connection, be provided with GPS orientation module (72) in power distribution terminal (7), GPS orientation module (72) and equipment networking server (6) communication connection.
2. The power distribution network safety protection system of claim 1, wherein the communication power source (11) is a 48V communication power source.
3. The power distribution network security system of claim 1,
the information acquisition subsystem (33) is used for acquiring environmental information of a power distribution room and sending the environmental information to the background monitoring terminal (5) through the optical transmission equipment (8), the communication management machine (9) and the switch (10);
the early warning subsystem (34) is used for generating an early warning command according to abnormal information of the power distribution room and a preset early warning threshold value, and sending the abnormal information and the early warning command to the background monitoring terminal (5) through the optical transmission equipment (8), the communication management machine (9) and the switch (10);
the video monitoring subsystem (32) comprises a plurality of cameras arranged in the power distribution room, and the cameras are used for carrying out real-time on-site snapshot on the power distribution room when being started and sending the snapshot to the background monitoring terminal (5) through the optical transmission equipment (8), the communication management machine (9) and the switch (10);
the fire-fighting alarm subsystem (31) comprises a fire-fighting alarm host, a plurality of temperature detectors and a plurality of smoke detectors, wherein the fire-fighting alarm host, the temperature detectors and the smoke detectors are arranged in a power distribution room, the temperature detectors and the smoke detectors are connected to the fire-fighting alarm host, and when the fire-fighting alarm host detects that the output current of the temperature detectors or the smoke detectors is larger than a preset temperature-sensing maximum value, an early-warning command is generated and transmitted to the background monitoring terminal (5) through the optical transmission equipment (8), the communication management machine (9) and the switch (10);
the background monitoring terminal (5) is used for receiving and storing the environmental information, the abnormal information and the pictures.
4. The power distribution network safety protection system according to claim 3, wherein the early warning subsystem (34) comprises an ozone early warning subsystem, the ozone early warning subsystem comprises an ozone early warning device and an ozone sensor, the ozone sensor is arranged in the power distribution room and used for detecting the ozone content in the power distribution room and transmitting the detected ozone content to the ozone early warning device, the abnormal information comprises the ozone content, the early warning threshold comprises an ozone content increase threshold, the ozone early warning device is used for storing the received ozone content, the ozone early warning device is further used for calculating the ozone content in the current time period according to preset detection time, comparing the ozone content in the current time period with the ozone content in the previous time period, and when the difference value is greater than the preset ozone increase threshold, generating an early warning command and transmitting the command through a light transmission device (8), And the communication manager (9) and the switch (10) are uploaded to the background monitoring terminal (5).
5. The power distribution network safety protection system of claim 3, characterized in that, early warning subsystem (34) includes the invasion early warning subsystem, the invasion early warning subsystem is including setting up infrared perimeter alarm system, alarm and the access control system in the power distribution room, abnormal information includes infrared perimeter alarm system's output value and access control system's state, the early warning threshold value includes infrared perimeter threshold value, works as when the invasion subsystem judges that infrared perimeter alarm system's output value is greater than infrared perimeter threshold value and access control system is in the invasion state, control alarm and report to the police, generate the early warning command and upload to backstage monitor terminal (5) through light transmission equipment (8), communication manager (9) and switch (10).
6. The power distribution network safety protection system according to claim 4 or 5, wherein the background monitoring terminal (5) learns the previously received environmental information and abnormal information by using a machine learning method, and automatically adjusts the early warning threshold of the early warning subsystem (34) according to the learning result.
7. The power distribution network safety protection system according to claim 3, wherein the information collection subsystem (33) comprises a temperature and humidity collection subsystem, the temperature and humidity collection subsystem comprises a plurality of temperature sensors and humidity sensors which are arranged in a power distribution room, the temperature sensors and the humidity sensors are used for respectively detecting the temperature and the humidity in the power distribution room, the environment information comprises temperature information and humidity information, the background monitoring terminal (5) is used for storing the temperature information and the humidity information collected by the temperature and humidity collection subsystem and recording the time of the received temperature information and humidity information, and the background monitoring terminal (5) is further used for calling and displaying the temperature and the humidity of the monitoring time when the monitoring time is input.
8. The power distribution network safety protection system according to claim 1, characterized in that a microcomputer integrated protection device (71) is arranged in the power distribution terminal (7), and the microcomputer integrated protection device (71) is in communication connection with the equipment networking server (6).
9. The power distribution network safety protection system according to claim 1, wherein a mobile phone number of a worker is reserved in the background monitoring terminal (5), and the background monitoring terminal (5) sends the received environmental information, abnormal information and pictures to a mobile phone of the worker in a form of short messages.
10. The power distribution network safety protection system according to claim 1, wherein the background monitoring terminal (5) comprises a UPS (uninterrupted power supply), a host, a display screen, a keyboard and a printer, and the UPS supplies power to the host, the display screen, the keyboard and the printer.
CN202010033511.9A 2020-01-13 2020-01-13 Safety protection system for power distribution network Pending CN113112776A (en)

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