CN113421407A - Cable external damage prevention early warning system based on vehicle-mounted real-time position tracking - Google Patents
Cable external damage prevention early warning system based on vehicle-mounted real-time position tracking Download PDFInfo
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- CN113421407A CN113421407A CN202110685969.7A CN202110685969A CN113421407A CN 113421407 A CN113421407 A CN 113421407A CN 202110685969 A CN202110685969 A CN 202110685969A CN 113421407 A CN113421407 A CN 113421407A
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- 230000002265 prevention Effects 0.000 title description 2
- 238000004891 communication Methods 0.000 claims abstract description 26
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 8
- 230000000007 visual effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/009—Signalling of the alarm condition to a substation whose identity is signalled to a central station, e.g. relaying alarm signals in order to extend communication range
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm 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
- G08B25/10—Alarm 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 wireless transmission systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
- G08B5/38—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- Emergency Management (AREA)
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- Signal Processing (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Outer broken early warning system is prevented to cable based on-vehicle real-time position pursuit. Relate to electric power system technical field, concretely relates to cable in work progress prevents outer broken monitoring alarm system. The early warning device is arranged in a cab of the engineering operation vehicle and is provided with a positioning module, a wireless communication module, a voice warning module and an acousto-optic warning module. The excavation-forbidden region is calibrated through the master station background system, when the early warning device on the engineering operation vehicle is close to the excavation-forbidden region, voice prompt is carried out, when the device enters the excavation-forbidden region, acousto-optic alarm is carried out, and alarm information is pushed. The flow and the storage capacity are saved, the discrimination rate of the whole early warning system is improved, and the construction requirement of the engineering operation vehicle in a small working range is accurately met.
Description
Technical Field
The invention relates to the technical field of power systems, in particular to a cable external-damage-prevention monitoring and alarming system in a construction process.
Background
With the development of urban construction, the cabling rate of urban distribution networks is continuously improved, but with the mass development of excavation construction operations such as road transformation, municipal engineering construction and the like, external cable damage accidents frequently occur, public distribution network lines are tripped, the safety of a power grid is seriously endangered, the ordered power utilization of all social boundaries is influenced, and greater economic loss can be caused. The outer broken mode is prevented to traditional cable is that the operation and maintenance personnel incessant tour, and the scene is died and is watched the death and guard, and not only wastes time and energy, and work efficiency is not high moreover, and it is longer to add present stage city distribution network cable line, and it can both have sufficient staff to nurse hardly to accomplish every point, can't in time take precautions against the destruction of construction violating the regulations to the cable.
How to effectively manage and control engineering vehicles near (inside) an electric power construction site and prevent underground (overground) cables from being damaged becomes a problem which needs to be solved urgently.
Disclosure of Invention
Aiming at the technical defects in the prior art, the invention provides the vehicle-mounted real-time position tracking-based cable anti-external-damage early warning system which is small in using storage capacity, accurate in judgment and capable of fully meeting real-time monitoring and early warning in a small construction range.
The technical scheme of the invention is as follows: the system comprises a main station and a plurality of early warning devices in communication connection with the main station, wherein map data of a power pipeline monitoring area are stored in the main station;
the early warning device is arranged on the engineering operation vehicle;
carrying out early warning according to the following steps:
1) the early warning device is started, the current position information of the engineering operation vehicle is automatically acquired, and the position information is sent to the server side of the main station;
2) automatically identifying whether the map information corresponding to the current position information is confidential information or not by the server of the main station, and turning to the step 3) if the map information is non-confidential information; if the information is confidential information, turning to the step 4);
3) the main station server calibrates corresponding regional map information according to the current position information, then sends the regional map information corresponding to the current position information to the early warning device, and the early warning device carries out matching judgment and early warning according to the current position information and the updated regional map information;
4) and the server side of the main station acquires the current position information of the early warning device in real time, and matches the current position information with map data of the power pipeline monitoring area stored in the main station to judge and early warn.
And 3) the regional map information is regional map data which is set by marking and contains the current position of the early warning device, and the size of the region is freely set by the master station server.
The step of updating the regional map information in step 3) is as follows:
3.1), the server side of the master station collects the current position information of the early warning device;
3.2) the master station server sets a regional map range according to the current position information, and then sends the regional map information to the early warning device;
3.3) when the current position of the early warning device, collected by the master station server, exceeds the current set area range, returning to the step 3.2).
The early warning device comprises a single chip microcomputer module, a power supply module, a positioning communication module, an LORA communication module, a voice module and an audible and visual alarm module, wherein the single chip microcomputer module is respectively connected and controls the power supply module, the positioning communication module, the LORA communication module, the voice module and the audible and visual alarm module.
The early warning device is arranged in a cab of the engineering operation vehicle and is provided with a positioning module, a wireless communication module, a voice warning module and an acousto-optic warning module. The excavation-forbidden region is calibrated through the master station background system, when the early warning device on the engineering operation vehicle is close to the excavation-forbidden region, voice prompt is carried out, when the device enters the excavation-forbidden region, acousto-optic alarm is carried out, and alarm information is pushed.
The invention can also identify the confidential map information and the non-confidential map information, judge and early warn the confidential map information through the real-time information comparison of the main station and the early warning device, and judge and mark the non-confidential map information in real time through updating and calibrating the regional map data containing the current position information of the early warning device. Compared with the prior art, the real-time comparison is carried out by calibrating the map information of the small area, the information downloading quantity is small, the speed for updating the geographic information is high, the flow and the storage capacity are saved, the judgment rate of the whole early warning system is increased, and the construction requirement of the engineering operation vehicle in the small working range is accurately met.
Drawings
Figure 1 is a flow chart of the operation of the present invention,
FIG. 2 is a block diagram showing the design structure of the early warning device of the present invention,
figure 3 is a circuit diagram of the power supply module of the present invention,
figure 4 is a power conversion circuit diagram of the present invention,
FIG. 5 is a circuit diagram of the acousto-optic alarm circuit of the present invention,
figure 6 is a circuit diagram of a positioning communication module of the present invention,
figure 7 is a circuit diagram of the speech module of the present invention,
figure 8 is a circuit diagram of the LORA communication module of the present invention,
figure 9 is a circuit diagram of the single-chip module of the invention,
fig. 10 is a circuit diagram of an output module of the present invention.
Detailed Description
The invention is further described with reference to fig. 1-10, which includes a main station, a plurality of early warning devices in communication connection with the main station, and map data of a power pipeline monitoring area stored in the main station;
the early warning device is arranged on the engineering operation vehicle;
carrying out early warning according to the following steps:
1) the early warning device is started, the current position information of the engineering operation vehicle is automatically acquired, and the position information is sent to the server side of the main station;
2) automatically identifying whether the map information corresponding to the current position information is confidential information or not by the server of the main station, and turning to the step 3) if the map information is non-confidential information; if the information is confidential information, turning to the step 4);
3) the main station server calibrates corresponding regional map information according to the current position information, then sends the regional map information corresponding to the current position information to the early warning device, and the early warning device carries out matching judgment and early warning according to the current position information and the updated regional map information;
4) and the server side of the main station acquires the current position information of the early warning device in real time, and matches the current position information with map data of the power pipeline monitoring area stored in the main station to judge and early warn.
And 3) the regional map information is regional map data which is set by marking and contains the current position of the early warning device, and the size of the region is freely set by the master station server. The area map data is set small area map data in the power pipeline monitoring area, and the set area range is updated in real time by changing the current position of the early warning device to the center.
The step of updating the regional map information in the step 3) is as follows:
3.1), the server side of the master station collects the current position information of the early warning device;
3.2) the master station server sets a regional map range according to the current position information, and then sends the regional map information to the early warning device;
3.3) when the current position of the early warning device, collected by the master station server, exceeds the current set area range, returning to the step 3.2).
The early warning device comprises a single chip microcomputer module, a power supply module, a positioning communication module, an LORA communication module, a voice module and an audible and visual alarm module, wherein the single chip microcomputer module is respectively connected with and controls the power supply module, the positioning communication module, the LORA communication module, the voice module and the audible and visual alarm module.
In the power supply module circuit, the TP4056 is a charging module for charging a lithium battery, and mainly converts 5V into 4.2V for charging the lithium battery, so that 1A charging current can be provided to the maximum. IN1+ and IN-are input terminals of the charging circuit, BAT + and BAT-are connected with the lithium battery, and OUT + and OUT-are connected with the load terminal.
The power supply module is also connected with a power supply conversion circuit and is used for converting the voltage of the lithium battery into 3.3v to be supplied to the singlechip module for use. In the power conversion circuit, VBAT + is a lithium battery end and is converted into 3.3V through the LM1117-3.3 power voltage stabilizing chip. C1 is a filter capacitor, and C2 and C3 are decoupling capacitors.
The acousto-optic alarm circuit comprises two paths of outputs which are respectively connected with an output pin of a singlechip, the switch of acousto-optic alarm is controlled by the singlechip, a luminous part adopts red and blue bicolor lamps (light emitting diodes D1 and D2) to flash alternately for reminding a driver, a sound part adopts a high-decibel alarm horn, the power supply voltage is 3.3-12V, and the maximum sound can reach 120 decibels.
In a positioning communication module circuit, an ATK-NEO-6M module is selected as a GPS module, the module adopts a u-blox NEO-6M chip, is provided with a maxim company 20.5 db high-gain nano chip, has strong searching capability, is provided with an ipx interface, can be connected with various active antennas, has strong adaptability, is compatible with 3, 3V/5V level and is easy to be connected with various microcontrollers. In the circuit, a module is powered by 3.3V, pins 3 and 4 of the module are serial interfaces and are connected with the single chip microcomputer, and the acquired position information is sent to the single chip microcomputer through a serial port.
In the voice module circuit, adopt JQ8900-16p voice broadcast chip, this chip has integrateed 16 MCU of bit and a special ADSP to audio decoding, adopts the mode of hardware decoding, has guaranteed the stability and the tone quality of system, and the pronunciation content in the change SPI-flash that this chip can be nimble, but SPI-flash direct simulation is the USB flash, can copy the pronunciation into SPI-flash at the host computer. The module has the power supply voltage of 3, 3-5.2V, the sleep current of 500uA and the working current of 10MA, supports all bit rates of 11172-3 and ISO13813-3 layer3 audio decoding, and outputs standard serial ports and TTL levels. Pins 3 and 4 of the module are serial interfaces and are connected with the single chip microcomputer, and the single chip microcomputer sends data of a fixed protocol to the module control module through a serial port to play corresponding audio. 7. 8 pins are loudspeaker playing interfaces, and the selected 3W loudspeaker plays sound.
In the LORA communication module circuit, the module adopts an E22-400T22S communication module. The module adopts a wireless serial port module based on an SX1268 radio frequency chip of SEMTECH company, has multiple transmission modes, works (410, 125-493.125 MHz) frequency band, defaults to 433.125MHz, outputs of the module are TTL level outputs, and is compatible with 3.3V and 5V IO port voltage. And functions of air awakening, wireless configuration, carrier monitoring, automatic relay, communication key and the like are supported. The module and the single chip microcomputer adopt a serial port communication mode, are connected with the single chip microcomputer through two pins (7 and 8) of the module, can send data such as GPS information of equipment to a main station, and can read a pipe network map of the main station and send the data to the single chip microcomputer. Two pins 5 and 6 of the module are working mode configuration pins and are connected to an output port of the single chip microcomputer, and the single chip microcomputer controls the high and low levels of the two pins to enable the module to realize four different working modes, namely a transmission mode, a WOR mode, a configuration mode and a deep sleep mode.
The single chip microcomputer module is further connected with an output module, in the circuit of the output module, the LED1 and the LED2 are two pins of the single chip microcomputer respectively and represent operation output and alarm output respectively, when the pins are at a low level, the light emitting diodes D3 and D4 are on, and when the pins are at a high level, the light emitting diodes D3 and D4 are off.
The early warning device reads GPS module data through an RS232 interface, wherein the data comprises longitude, latitude and current speed;
the early warning device sends the read longitude, latitude and speed data to the master station server through the positioning communication module;
after receiving the data, the server reads background setting parameters, wherein the parameters comprise whether encryption is carried out or not and the area range;
when the server side judges that the current parameters are not encrypted, automatically finding out corresponding underground pipe network position data in a set area range according to the area range, and generating a map file;
the server side sends the generated map data, namely the underground pipe network position data to an early warning device (the early warning device downloads a regional map) through a positioning communication module;
the early warning device reads the current GPS position information and compares the current GPS position information with map data information (corresponding underground pipe network position data), and when the current positioning information position of the early warning device is in the pipe network position and the moving speed of the early warning device is zero, the single chip microcomputer sends broadcast information to the voice broadcast module to remind a driver of the current underground pipe network;
when the GPS position information read by the early warning device exceeds the current map area (namely the area range set currently), the command of requesting to update the map is sent to the server again through the GPRS module. And carrying out map updating (namely, re-calibrating the map range of the area) around the area of the current position of the early warning device.
When the server side judges that the current parameters are encrypted, the early warning device does not download map data of the server side background, and the early warning device is matched with the master station server side in real time to perform judgment and early warning.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (4)
1. The cable anti-external-damage early warning system based on vehicle-mounted real-time position tracking comprises a main station and a plurality of early warning devices in communication connection with the main station, wherein map data of a power pipeline monitoring area are stored in the main station;
the early warning device is arranged on the engineering operation vehicle;
the method is characterized by early warning according to the following steps:
1) the early warning device is started, the current position information of the engineering operation vehicle is automatically acquired, and the position information is sent to the server side of the main station;
2) automatically identifying whether the map information corresponding to the current position information is confidential information or not by the server of the main station, and turning to the step 3) if the map information is non-confidential information; if the information is confidential information, turning to the step 4);
3) the main station server calibrates corresponding regional map information according to the current position information, then sends the regional map information corresponding to the current position information to the early warning device, and the early warning device carries out matching judgment and early warning according to the current position information and the updated regional map information;
4) and the server side of the main station acquires the current position information of the early warning device in real time, and matches the current position information with map data of the power pipeline monitoring area stored in the main station to judge and early warn.
2. The vehicle-mounted real-time position tracking-based cable external-damage-prevention early warning system as claimed in claim 1, wherein in step 3), the area map information is selected and set area map data including the current position of the early warning device, and the area size is freely set by the master station server.
3. The vehicle-mounted real-time location tracking-based cable anti-external-damage early warning system as claimed in claim 1, wherein the step of updating the regional map information in step 3) is as follows:
3.1), the server side of the master station collects the current position information of the early warning device;
3.2) the master station server sets a regional map range according to the current position information, and then sends the regional map information to the early warning device;
3.3) when the current position of the early warning device, collected by the master station server, exceeds the current set area range, returning to the step 3.2).
4. The vehicle-mounted real-time position tracking-based cable anti-external-damage early warning system as claimed in claim 1, wherein the early warning device comprises a single chip microcomputer module, a power supply module, a positioning communication module, a LORA communication module, a voice module and an audible and visual alarm module, and the single chip microcomputer module is respectively connected and controls the power supply module, the positioning communication module, the LORA communication module, the voice module and the audible and visual alarm module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110685969.7A CN113421407A (en) | 2021-06-21 | 2021-06-21 | Cable external damage prevention early warning system based on vehicle-mounted real-time position tracking |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110685969.7A CN113421407A (en) | 2021-06-21 | 2021-06-21 | Cable external damage prevention early warning system based on vehicle-mounted real-time position tracking |
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| CN113421407A true CN113421407A (en) | 2021-09-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114545328A (en) * | 2022-04-25 | 2022-05-27 | 高勘(广州)技术有限公司 | Tracking method and system for optical cable inspection equipment, computer equipment and storage medium |
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Application publication date: 20210921 |