CN110957685A - Comprehensive intelligent grounding box - Google Patents
Comprehensive intelligent grounding box Download PDFInfo
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- CN110957685A CN110957685A CN201911309689.5A CN201911309689A CN110957685A CN 110957685 A CN110957685 A CN 110957685A CN 201911309689 A CN201911309689 A CN 201911309689A CN 110957685 A CN110957685 A CN 110957685A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
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Abstract
The invention discloses a comprehensive intelligent grounding box, which comprises: the ground connection case body, ground connection subassembly and monitoring subassembly, the bottom of ground connection case body is equipped with pre-buried base, and the top of ground connection case body is equipped with the roof. According to the invention, a circulation monitoring module, a partial discharge monitoring module, an optical fiber vibration monitoring module and an environment monitoring module in a monitoring assembly which is arranged in a grounding box body are used for carrying out online monitoring on a high-voltage cable, so that the condition monitoring of grounding circulation is realized, the cable partial discharge monitoring, the cable vibration monitoring and the cable joint temperature monitoring are realized, the internal temperature and smoke sensation of the grounding box body are monitored, meanwhile, the water level outside the grounding box body is monitored, the monitoring data are transmitted to a background, the intelligent comprehensive online monitoring is realized, the safe operation of the power cable and the grounding box is ensured, the instability of manual periodic inspection feedback is effectively avoided, the operation cost of a power department is saved, and the working efficiency is effectively improved.
Description
Technical Field
The invention relates to the technical field of grounding boxes, in particular to a comprehensive intelligent grounding box.
Background
The grounding box is a connecting device for collecting the grounding wires of the high-voltage grounding cables, most of the high-voltage grounding boxes are far away from the urban area and are located in places with rare smoke, so that a favorable crime environment is provided for criminals, the traditional grounding box is generally made of materials such as aluminum alloy and the like, has no anti-theft function and high recovery value, and can be found only when lines are overhauled once stolen and unknown by no people, serious potential safety hazards exist, the existing grounding box is patrolled and examined manually, online monitoring measures are lacked, grounding circulation cannot be effectively and timely reflected, and health level monitoring of main network cable lines is not facilitated. Therefore, a system which is anti-theft and can monitor on line in real time is required to be established to solve the problems of cable circulation, cable temperature and equipment safety in the real-time operation of the existing power cable so as to ensure the safe operation of the power cable.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a comprehensive intelligent grounding box.
In order to achieve the purpose, the invention adopts the following technical scheme: an integrated intelligent grounding box comprising: the grounding box comprises a grounding box body, a grounding assembly and a monitoring assembly;
the bottom of the grounding box body is provided with a pre-buried base, the top of the grounding box body is provided with a box top, and the surface of the box top is provided with a solar cell panel;
the grounding assembly and the monitoring assembly are integrated and internally installed in the grounding box body in a left-right arrangement mode, and the monitoring assembly comprises an MCU (microprogrammed control Unit) processor, a circulation monitoring module, a partial discharge monitoring module, an optical fiber vibration monitoring module, an environment monitoring module, a protection monitoring module, a power supply module and a communication module;
the MCU processor is respectively connected with the circulation monitoring module, the partial discharge monitoring module, the optical fiber vibration monitoring module, the environment monitoring module, the protection monitoring module and the power supply module, and is also connected with the communication module through a communication bus, and the communication module is also connected with background interactive wireless communication.
As a further description of the above technical solution:
the circulating current monitoring module comprises a CT current transformer and a processing host, the CT current transformer is additionally arranged at a cable joint and used for collecting signals of induced current generated by a metal protective layer outside a cable and transmitting the collected signals to the processing host, and the processing host carries out A/D conversion processing on the received signals and then transmits the signals to the MCU processor.
As a further description of the above technical solution:
the partial discharge monitoring module is used for coupling a cable body and a partial discharge pulse current signal at a joint through a pulse sensor arranged on a cable joint grounding wire, the coupled pulse signal is transmitted to the MCU processor, and the MCU processor amplifies and converts an analog signal into a data signal after analog-digital conversion and transmits the data signal to a background through the communication module.
As a further description of the above technical solution:
the optical fiber vibration monitoring module comprises a detection optical fiber, a data processing terminal and a camera, wherein the detection optical fiber is a field sensing unit, the detection optical fiber is laid inside and outside a cable channel along with a cable, the data processing terminal is arranged in the grounding box body in a built-in mode, and the camera is arranged inside and outside the cable channel;
the detection optical fiber is used for monitoring a vibration signal and transmitting the monitored vibration signal to the control host;
the data processing terminal is used for carrying out pattern recognition on the received vibration signals, eliminating interference, determining the type and the danger degree of a vibration source and carrying out linkage control on the camera;
the camera is used for capturing a scene, transmitting captured information to the data processing terminal, and the data processing terminal transmits signals and captured video information to the MCU processor and then transmits the signals and the captured video information to the background through the communication module.
As a further description of the above technical solution:
the environment monitoring module comprises a monitoring host, a temperature and humidity sensor, a smoke sensor, a joint temperature measuring sensor and a water level sensor, wherein the monitoring host is respectively connected with the temperature and humidity sensor, the smoke sensor, the joint temperature measuring sensor and the water level sensor;
the temperature and humidity sensor is internally installed in the grounding box body and collects temperature and humidity information inside the grounding box body, the temperature and humidity sensor also transmits the collected information to the monitoring host, the monitoring host judges whether field data exceed a set limit value or not, and if the field data exceed the set limit value, an alarm signal is transmitted to the MCU processor and then transmitted to the background through the communication module;
the smoke sensor is internally installed in the grounding box body and continuously monitors smoke sensing data in the grounding box body for 24 hours on line, the smoke sensor also transmits the monitored smoke sensing data to the monitoring host, the monitoring host judges whether the field data exceeds a set limit value or not, and transmits an alarm signal to the MCU processor when the field data exceeds the set limit value and then transmits the alarm signal to the background through the communication module;
the connector temperature measuring sensor is fixed on the surface of the cable connector or the metal layer of the cable connector and sealed, monitored temperature information is transmitted to the monitoring host computer by the connector temperature measuring sensor in a wireless mode, the monitoring host computer judges whether an alarm value is reached, an alarm signal is transmitted to the MCU processor when the alarm value is reached, and then the alarm signal is transmitted to the background through the communication module;
the water level sensor is arranged on the outer side of the grounding box body according to the field installation environment of the grounding box body, the water level sensor can monitor water level information on the outer side of the grounding box body and transmit the monitored information to the monitoring host, the monitoring host judges whether the water level reaches a warning value or not, when the warning value is reached, the warning signal can be transmitted to the MCU processor, and then the warning signal is transmitted to the background through the communication module.
As a further description of the above technical solution:
the protection monitoring module comprises an inductive switch and an inclination sensor;
the induction switch is arranged on a door or a door and window of the grounding box body, can automatically induce when the illegal door opening vibration amplitude is large, transmits an induced signal to the MCU processor, and then transmits the induced signal to the background through the communication module by the MCU processor;
the inclination sensor is provided with a plurality of, and a plurality of inclination sensors are installed in the inboard different positions department of ground connection case body, and when ground connection case body was touched by the external world and takes place the slope or warp the inclination sensor is automatic to sense and with signal transmission to MCU treater, then passes through communication module by MCU treater and transmits to the backstage.
As a further description of the above technical solution:
the power supply module comprises a UPS power storage device, a photovoltaic power supply controller, a solar cell panel, a power adapter and a mains supply power supply module;
the solar panel is used for converting solar energy into electric energy and transmitting the electric energy to the photovoltaic power supply controller, and the photovoltaic power supply controller is used for stabilizing voltage and then converting 12V direct current of the layer to the UPS power storage device;
the commercial power supply module is used for being connected with 220V alternating current power frequency commercial power, and the power adapter is used for converting the commercial power into 12V direct current to be supplied to the UPS power storage device;
the UPS power storage device is used for supplying power for the MCU processor.
As a further description of the above technical solution:
the system also comprises a TOKEN code and a handheld terminal;
the TOKEN code is generated by encrypting basic information of each grounding box body through an encryption algorithm, and the OKEN code is engraved on an outer shell of each grounding box body, wherein the basic information comprises line name information, voltage grade information, equipment name information, equipment type information and commissioning date information;
the hand-held terminal stores a decryption algorithm for the TOKEN code and is used for identifying the TOKEN code and reading grounding box body basic information in the TOKEN code.
As a further description of the above technical solution:
the system also comprises an information collector and an induction type IC card inspection plate;
the IC card inspection plate stores personal information of inspection personnel;
the information collector is arranged in the inner side of the grounding box body and is used for identifying the IC card inspection plate through the RFID wireless radio frequency technology, automatically recording personal information of inspection personnel stored in the IC card inspection plate and simultaneously recording time information and place information;
the information collector is also used for integrating the recorded personal information of the patrol personnel, recording time information and place information and transmitting the time information and the place information to the background through the communication module, and a manager can check the patrol condition of the patrol personnel at any time through the background, store data and perform related inquiry and make statistical reports with follow-up.
As a further description of the above technical solution:
the system also comprises a fault acquisition and positioning module;
the fault acquisition and positioning module is connected with the MCU processor and comprises a fault current collector and a fault monitoring terminal;
the fault current collector is arranged at a cable joint and automatically collects fault current traveling wave signals and then transmits the collected signals to the fault monitoring terminal;
and after the fault monitoring terminal receives the traveling wave signal transmitted by the fault current collector, the position of a fault point is automatically calculated, and the calculated position information is transmitted to a background through the MCU processor and the communication module.
Advantageous effects
The invention provides a comprehensive intelligent grounding box. The method has the following beneficial effects:
(1): circulation monitoring module in the monitoring subassembly of built-in installation in this integrated intelligent ground connection case's the ground connection case body, the monitoring module is put in the office, optic fibre vibration monitoring module, environment monitoring module carries out on-line monitoring to high tension cable, realize the situation monitoring of ground connection circulation, the monitoring is put in the cable office, cable vibration monitoring and cable joint temperature monitoring, and to the inside temperature of ground connection case body, the monitoring is felt to the cigarette, simultaneously to the outside water level monitoring of ground connection case body, and with monitoring data transmission to backstage, realize intelligent comprehensive on-line monitoring, in order to ensure power cable and ground connection case safe operation, the effectual instability that avoids artifical periodic inspection feedback, save electric power department's running cost, effectual improvement work efficiency.
(2): this generalized type intelligence grounding box is through being equipped with protection monitoring module, inductive switch in the protection monitoring module can monitor the illegal door that opens of thief, the slope sensor in the protection monitoring module can receive external touching to take place the slope or when warping at the box simultaneously, the automatic triggering monitoring, and inductive switch and slope sensor can be with the signal automatic transmission to the MCU treater of monitoring, then transmit to the backstage through communication module by the MCU treater, the backstage can be directly arranged and in time be handled by local personnel of patrolling and examining, make this generalized type intelligence grounding box have the unexpected monitoring measure of theftproof, the loss of theft is reduced, the potential safety hazard is avoided appearing.
(3): the comprehensive intelligent grounding box is provided with the TOKEN code outside the grounding box body, the basic information of the grounding box body is stored in an encrypted manner through the TOKEN code, when a worker overhauls the grounding box, the worker can directly recognize the TOKEN code through a handheld terminal to obtain the basic information of the grounding box body, the worker can conveniently know the basic information of the grounding box body, so that the overhauling and maintenance of the grounding box body are more convenient and faster, meanwhile, the information collector is arranged inside the grounding box body, the information collector identifies the IC card polling board of the polling personnel through the RFID wireless radio frequency technology and automatically records the personal information of the polling personnel stored in the IC card polling board, meanwhile, the time information and the location information are recorded and transmitted to the background through the communication module, the manager can check the polling condition of the polling personnel through the background at any time, and can simultaneously store the data, the inspection work of the junction box is managed conveniently.
(4): this generalized type intelligence grounding box is through being equipped with trouble collection orientation module, gathers cable joint's fault current traveling wave signal through the fault current collector on the trouble collection orientation module, then according to the traveling wave signal analysis fixed position of gathering and transmit to the backstage through fault monitoring terminal, can the quick judgement fault loop to and the fault point is apart from the position at terminal, shorten the trouble greatly and survey and seek the time, restore the cable fault fast, improve the power supply system reliability.
Drawings
FIG. 1 is a schematic overall structure diagram of a comprehensive intelligent grounding box provided by the invention;
FIG. 2 is a schematic view of the internal structure of the grounding box body according to the present invention;
FIG. 3 is a schematic view of a monitoring assembly system of the present invention;
FIG. 4 is a schematic view of a fiber vibration monitoring module according to the present invention;
FIG. 5 is a schematic diagram of a protection monitoring module according to the present invention;
FIG. 6 is a schematic view of an environmental monitoring module of the present invention;
FIG. 7 is a schematic diagram of a power module of the present invention;
FIG. 8 is a schematic view of the structure of part A in FIG. 1 according to the present invention;
fig. 9 is a schematic diagram of a fault acquisition and positioning module according to the present invention.
Illustration of the drawings:
1. a grounding box body; 2. pre-burying a base; 3. a box top; 4. a solar panel; 5. a ground component; 6. a monitoring component; 7. a TOKEN code; 8. provided is a handheld terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in fig. 1-9, a comprehensive intelligent grounding box comprises: the grounding box comprises a grounding box body 1, a grounding assembly 5 and a monitoring assembly 6;
the bottom of the grounding box body 1 is provided with a pre-buried base 2, the top of the grounding box body 1 is provided with a box top 3, and the surface of the box top 3 is provided with a solar cell panel 4;
grounding box body 1 adopts mixed many functional type material to divide into three layer construction: the outer surface layer adopts a wood-plastic structure, and has the effects of long service life and beautiful appearance; the middle layer is of a stainless steel structure, and has the effects of high strength and corrosion resistance; the inner layer adopts an epoxy resin structure, and has the effects of high full insulation degree, corrosion resistance and high strength.
The grounding assembly 5 and the monitoring assembly 6 are integrated and internally installed in the grounding box body 1 in a left-right arrangement mode, and the monitoring assembly 6 comprises an MCU (microprogrammed control Unit) processor, a circulation monitoring module, a partial discharge monitoring module, an optical fiber vibration monitoring module, an environment monitoring module, a protection monitoring module, a power supply module and a communication module;
the MCU processor is respectively connected with the circulation monitoring module, the partial discharge monitoring module, the optical fiber vibration monitoring module, the environment monitoring module, the protection monitoring module and the power supply module, and is also connected with the communication module through a communication bus, and the communication module is also connected with background interactive wireless communication.
The circulating current monitoring module comprises a CT current transformer and a processing host, the CT current transformer is additionally arranged at a cable joint and used for collecting signals of induced current generated by a metal protective layer outside a cable and transmitting the collected signals to the processing host, and the processing host carries out A/D conversion processing on the received signals and then transmits the signals to the MCU processor.
The partial discharge monitoring module is used for coupling a cable body and a partial discharge pulse current signal at a joint through a pulse sensor arranged on a cable joint grounding wire, the coupled pulse signal is transmitted to the MCU processor, and the MCU processor amplifies and converts an analog signal into a data signal after analog-digital conversion and transmits the data signal to a background through the communication module.
The pulse sensor adopts an open-close type pincerlike sensor, has compact structure, is convenient to disassemble and install, does not need power failure, and can conveniently monitor the heavy station, key equipment and abnormal equipment for a long time.
The optical fiber vibration monitoring module comprises a detection optical fiber, a data processing terminal and a camera, wherein the detection optical fiber is a field sensing unit, the detection optical fiber is laid inside and outside a cable channel along with a cable, the data processing terminal is internally installed in the grounding box body 1, and the camera is arranged inside and outside the cable channel;
the detection optical fiber is used for monitoring a vibration signal and transmitting the monitored vibration signal to the control host;
the detection optical fiber is used as a sensing unit to realize the detection of long-distance and large-range defense areas, and the length of each defense area can reach hundreds of meters to thousands of meters.
The data processing terminal is used for carrying out mode recognition on the received vibration signals, eliminating interference, determining the type and the danger degree of a vibration source and carrying out linkage control on the camera;
the camera is used for capturing a scene, transmitting captured information to the data processing terminal, and the data processing terminal transmits signals and captured video information to the MCU processor and then transmits the signals and the captured video information to the background through the communication module.
The environment monitoring module comprises a monitoring host, a temperature and humidity sensor, a smoke sensor, a joint temperature measuring sensor and a water level sensor, wherein the monitoring host is respectively connected with the temperature and humidity sensor, the smoke sensor, the joint temperature measuring sensor and the water level sensor;
the temperature and humidity sensor is arranged in the grounding box body 1 in a built-in mode and collects temperature and humidity information inside the grounding box body 1, the temperature and humidity sensor also transmits the collected information to the monitoring host, the monitoring host judges whether field data exceed a set limit value or not, if the field data exceed the set limit value, an alarm signal is transmitted to the MCU processor, and then the alarm signal is transmitted to the background through the communication module;
the smoke sensor is internally installed in the grounding box body 1 and continuously monitors smoke sensing data in the grounding box body 1 for 24 hours on line, the smoke sensor also transmits the monitored smoke sensing data to the monitoring host, the monitoring host judges whether the field data exceeds a set limit value or not, and transmits an alarm signal to the MCU processor when the field data exceeds the set limit value and then transmits the alarm signal to the background through the communication module;
the connector temperature measuring sensor is fixed on the surface of the cable connector or the metal layer of the cable connector and sealed, monitored temperature information is transmitted to the monitoring host computer by the connector temperature measuring sensor in a wireless mode, the monitoring host computer judges whether an alarm value is reached, an alarm signal is transmitted to the MCU processor when the alarm value is reached, and then the alarm signal is transmitted to the background through the communication module;
the connector temperature measuring sensor is of a type DS18B20, and transmits radio frequency signals to the surface of the piezoelectric material, and then reflected waves influenced by the temperature are converted back to electric signals to acquire temperature data.
The water level sensor is arranged outside the grounding box body 1 according to the field installation environment of the grounding box body 1, the water level sensor can monitor water level information outside the grounding box body 1 and transmit the monitored information to the monitoring host, the monitoring host judges whether the water level reaches a warning value or not, and transmits an alarm signal to the MCU processor when the warning value is reached, and then transmits the alarm signal to the background through the communication module.
The protection monitoring module comprises an inductive switch and an inclination sensor;
the induction switch is arranged at the position of a box door or a door window of the grounding box body 1, can automatically induce when the illegal door opening vibration amplitude is large, transmits an induced signal to the MCU processor, and then transmits the induced signal to the background through the communication module by the MCU processor;
the inclination sensor is equipped with a plurality ofly, and a plurality of inclination sensor install in the inboard different positions department of ground connection case body, and the inclination sensor is automatic to be sensed and with signal transmission to MCU treater when ground connection case body 1 is touched by the external world and takes place the slope or warp, then passes through communication module by the MCU treater and transmits to the backstage.
The protection monitoring module can also be used by linking the monitoring probe, and when the protection monitoring module collects signals, the monitoring probe can be controlled in a linkage manner to acquire the scene outside the grounding box body 1 or the wide-angle area scene at that time, and the image collected by the monitoring probe is stored or synchronously transmitted to the background.
The power supply module comprises a UPS power storage device, a photovoltaic power supply controller, a solar cell panel, a power adapter and a mains supply power supply module;
the solar panel is used for converting solar energy into electric energy and transmitting the electric energy to the photovoltaic power supply controller, and the photovoltaic power supply controller is used for stabilizing voltage and then converting 12V direct current of the layer to the UPS power storage device;
the mains supply module is used for being connected with 220V alternating current power frequency mains supply, and the power adapter is used for converting the mains supply into 12V direct current to be supplied to the UPS power storage device;
the UPS power storage device is used for supplying power for the MCU processor.
The system also comprises a TOKEN code 7 and a handheld terminal 8;
the TOKEN code 7 is generated by encrypting basic information of each grounding box body 1 through an encryption algorithm, and the OKEN code 7 is engraved on an outer shell of each grounding box body 1, wherein the basic information comprises line name information, voltage grade information, equipment name information, equipment type information and commissioning date information;
the hand-held terminal 8 stores a decryption algorithm for the TOKEN code 7, and the hand-held terminal 8 is used for identifying the TOKEN code 7 and reading basic information of the grounding box body 1 in the TOKEN code 7.
Through TOKEN sign indicating number 7 encryption storage grounding box body 1's essential information, the staff can directly discern grounding box body 1's essential information through handheld terminal 8 to TOKEN sign indicating number 7 when overhauing, and the staff of being convenient for knows grounding box body 1's essential information for overhaul grounding box body 1 and maintain convenient and fast more.
The system also comprises an information collector and an induction type IC card inspection plate;
the IC card inspection plate stores personal information of inspection personnel;
the information collector is arranged in the inner side of the grounding box body 1 and is used for identifying the IC card inspection plate through the RFID wireless radio frequency technology, automatically recording personal information of inspection personnel stored in the IC card inspection plate and simultaneously recording time information and place information;
the information collector is also used for integrating the recorded personal information of the patrol personnel, recording time information and place information and transmitting the time information and the place information to the background through the communication module, and managers can check the patrol condition of the patrol personnel through the background at any time, store data and perform related inquiry and make statistical reports with follow-up.
Through setting up information collection station in ground connection case body 1 inboard, information collection station information is patrolled and examined the tablet through the IC card of RFID wireless radio frequency technology and is discerned and the personal information of the personnel of patrolling and examining who stores in the tablet is patrolled and examined to the automatic recording IC card, record time information and place information simultaneously to transmit to the backstage through communication module, managers can look over the condition of patrolling and examining of personnel at any time through the backstage, can store data simultaneously, be convenient for manage the work of patrolling and examining the junction box.
The system also comprises a fault acquisition and positioning module;
the fault acquisition and positioning module is connected with the MCU processor and comprises a fault current collector and a fault monitoring terminal;
the fault current collector is arranged at the cable joint and automatically collects fault current traveling wave signals and then transmits the collected signals to the fault monitoring terminal;
and after the fault monitoring terminal receives the traveling wave signal transmitted by the fault current collector, the position of a fault point is automatically calculated, and the calculated position information is transmitted to the background through the MCU processor and the communication module.
The fault current collector on the fault collection and positioning module collects fault current traveling wave signals of the cable joint, and then the fault monitoring terminal analyzes the fixed position according to the collected traveling wave signals and transmits the fixed position to the background, so that a fault loop is quickly judged, the position of a fault point away from the terminal is realized, the fault detection time is greatly shortened, the cable fault is quickly repaired, and the reliability of a power supply system is improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A generalized type intelligence grounding box characterized in that includes: the grounding box comprises a grounding box body (1), a grounding assembly (5) and a monitoring assembly (6);
the bottom of the grounding box body (1) is provided with a pre-buried base (2), the top of the grounding box body (1) is provided with a box top (3), and the surface of the box top (3) is provided with a solar panel (4);
the grounding assembly (5) and the monitoring assembly (6) are integrated and internally installed in the grounding box body (1) in a left-right arrangement mode, and the monitoring assembly (6) comprises an MCU (microprogrammed control unit) processor, a circulation monitoring module, a partial discharge monitoring module, an optical fiber vibration monitoring module, an environment monitoring module, a protection monitoring module, a power supply module and a communication module;
the MCU processor is respectively connected with the circulation monitoring module, the partial discharge monitoring module, the optical fiber vibration monitoring module, the environment monitoring module, the protection monitoring module and the power supply module, and is also connected with the communication module through a communication bus, and the communication module is also connected with background interactive wireless communication.
2. The comprehensive intelligent grounding box of claim 1, wherein the circulating current monitoring module comprises a CT current transformer and a processing host, the CT current transformer is additionally arranged at a cable joint and is used for collecting signals of induced current generated by a metal sheath outside a cable and transmitting the collected signals to the processing host, and the processing host performs a/D conversion on the received signals and then transmits the signals to the MCU processor.
3. The comprehensive intelligent grounding box of claim 1, wherein the partial discharge monitoring module is configured to couple the local discharge pulse current signals at the cable body and the joint through a pulse sensor installed on a grounding wire of the cable joint, the coupled pulse current signals are transmitted to the MCU processor, and the MCU processor amplifies, converts analog signals into data signals through analog-to-digital conversion, and transmits the data signals to the background through the communication module.
4. The comprehensive intelligent grounding box of claim 1, wherein the optical fiber vibration monitoring module comprises a detection optical fiber, a data processing terminal and a camera, the detection optical fiber is a field sensing unit, the detection optical fiber is laid inside and outside a cable channel along with a cable, the data processing terminal is internally installed in the grounding box body (1), and the camera is arranged inside and outside the cable channel;
the detection optical fiber is used for monitoring a vibration signal and transmitting the monitored vibration signal to the control host;
the data processing terminal is used for carrying out pattern recognition on the received vibration signals, eliminating interference, determining the type and the danger degree of a vibration source and carrying out linkage control on the camera;
the camera is used for capturing a scene, transmitting captured information to the data processing terminal, and the data processing terminal transmits signals and captured video information to the MCU processor and then transmits the signals and the captured video information to the background through the communication module.
5. The comprehensive intelligent grounding box of claim 1, wherein the environment monitoring module comprises a monitoring host, a temperature and humidity sensor, a smoke sensor, a joint temperature sensor and a water level sensor, wherein the monitoring host is connected with the temperature and humidity sensor, the smoke sensor, the joint temperature sensor and the water level sensor respectively;
the temperature and humidity sensor is arranged in the grounding box body (1) in a built-in mode and collects temperature and humidity information inside the grounding box body (1), the temperature and humidity sensor also transmits the collected information to the monitoring host, the monitoring host judges whether field data exceed a set limit value or not, if the field data exceed the set limit value, an alarm signal is transmitted to the MCU processor, and then the alarm signal is transmitted to the background through the communication module;
the smoke sensor is internally installed in the grounding box body (1) and continuously monitors smoke sensing data in the grounding box body (1) on line for 24 hours, the smoke sensor also transmits the monitored smoke sensing data to the monitoring host, the monitoring host judges whether the field data exceeds a set limit value or not, and if the field data exceeds the set limit value, an alarm signal is transmitted to the MCU processor and then transmitted to the background through the communication module;
the connector temperature measuring sensor is fixed on the surface of the cable connector or the metal layer of the cable connector and sealed, monitored temperature information is transmitted to the monitoring host computer by the connector temperature measuring sensor in a wireless mode, the monitoring host computer judges whether an alarm value is reached, an alarm signal is transmitted to the MCU processor when the alarm value is reached, and then the alarm signal is transmitted to the background through the communication module;
the water level sensor is arranged on the outer side of the grounding box body (1) according to the field installation environment of the grounding box body (1), the water level sensor can monitor water level information on the outer side of the grounding box body (1) and transmit the monitored information to the monitoring host, the monitoring host judges whether the water level reaches a warning value, and transmits an alarm signal to the MCU processor when the warning value is reached, and then transmits the alarm signal to a background through the communication module.
6. The integrated intelligent grounding box of claim 1, wherein the protection monitoring module comprises an inductive switch and a tilt sensor;
the induction switch is arranged at the position of a box door or a door and window of the grounding box body (1), can automatically induce when the illegal door opening vibration amplitude is large, transmits an induced signal to the MCU processor, and then transmits the induced signal to the background through the communication module by the MCU processor;
the inclination sensors are arranged in a plurality of positions, the inclination sensors are arranged at different positions on the inner side of the grounding box body (1), when the grounding box body (1) is touched by the outside to incline or deform, the inclination sensors automatically sense and transmit signals to the MCU processor, and then the MCU processor transmits the signals to the background through the communication module.
7. The integrated intelligent grounding box of claim 1, wherein the power supply module comprises a UPS power storage device, a photovoltaic power controller, a solar panel, a power adapter and a mains supply module;
the solar panel is used for converting solar energy into electric energy and transmitting the electric energy to the photovoltaic power supply controller, and the photovoltaic power supply controller is used for stabilizing voltage and then converting 12V direct current of the layer to the UPS power storage device;
the commercial power supply module is used for being connected with 220V alternating current power frequency commercial power, and the power adapter is used for converting the commercial power into 12V direct current to be supplied to the UPS power storage device;
the UPS power storage device is used for supplying power for the MCU processor.
8. A comprehensive intelligent grounding box according to claim 1, characterized by further comprising TOKEN code (7) and hand-held terminal (8);
the TOKEN code (7) is generated by encrypting basic information of each grounding box body (1) through an encryption algorithm, and the OKEN code (7) is engraved on an outer shell of each grounding box body (1), wherein the basic information comprises line name information, voltage grade information, equipment name information, equipment type information and commissioning date information;
the hand-held terminal (8) stores a decryption algorithm for the TOKEN code (7), and the hand-held terminal (8) is used for identifying the TOKEN code (7) and reading basic information of the grounding box body (1) in the TOKEN code (7).
9. The comprehensive intelligent grounding box of claim 1, further comprising an information collector and an inductive IC card inspection plate;
the IC card inspection plate stores personal information of inspection personnel;
the information collector is arranged in the inner side of the grounding box body (1) in a built-in mode and is used for identifying the IC card inspection plate through an RFID wireless radio frequency technology, automatically recording personal information of inspection personnel stored in the IC card inspection plate and simultaneously recording time information and place information;
the information collector is also used for integrating the recorded personal information of the patrol personnel, recording time information and place information and transmitting the time information and the place information to the background through the communication module, and a manager can check the patrol condition of the patrol personnel at any time through the background, store data and perform related inquiry and make statistical reports with follow-up.
10. The integrated intelligent grounding box of claim 1, further comprising a fault acquisition and location module;
the fault acquisition and positioning module is connected with the MCU processor and comprises a fault current collector and a fault monitoring terminal;
the fault current collector is arranged at a cable joint and automatically collects fault current traveling wave signals and then transmits the collected signals to the fault monitoring terminal;
and after the fault monitoring terminal receives the traveling wave signal transmitted by the fault current collector, the position of a fault point is automatically calculated, and the calculated position information is transmitted to a background through the MCU processor and the communication module.
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| CN201911309689.5A CN110957685A (en) | 2019-12-18 | 2019-12-18 | Comprehensive intelligent grounding box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911309689.5A CN110957685A (en) | 2019-12-18 | 2019-12-18 | Comprehensive intelligent grounding box |
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| CN112510392A (en) * | 2020-11-25 | 2021-03-16 | 云南电网有限责任公司电力科学研究院 | Safety measure isolation device |
| CN112684310A (en) * | 2021-01-20 | 2021-04-20 | 山东和兑智能科技有限公司 | Comprehensive online intelligent monitoring system for high-voltage cable |
| CN112762989A (en) * | 2020-12-29 | 2021-05-07 | 国网重庆市电力公司璧山供电分公司 | High-voltage self-dehumidifying intelligent grounding box and monitoring system |
| CN112858857A (en) * | 2021-03-17 | 2021-05-28 | 国网湖南省电力有限公司 | Plug-type high tension cable theftproof intelligence ground connection integrated device |
| CN113824011A (en) * | 2020-06-19 | 2021-12-21 | 浙江富中联电力科技有限公司 | Comprehensive grounding box with high-low voltage isolation module |
| CN114077219A (en) * | 2021-09-29 | 2022-02-22 | 郑州祥煜电气技术有限公司 | Cable protection system based on optical fiber vibration |
| CN115273269A (en) * | 2022-08-01 | 2022-11-01 | 华能新能源股份有限公司河北分公司 | New energy station non-inductive intelligent patrol inspection management system and method |
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Application publication date: 20200403 |