CN113804952A - Protection monitoring system and method - Google Patents

Protection monitoring system and method Download PDF

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Publication number
CN113804952A
CN113804952A CN202111003084.0A CN202111003084A CN113804952A CN 113804952 A CN113804952 A CN 113804952A CN 202111003084 A CN202111003084 A CN 202111003084A CN 113804952 A CN113804952 A CN 113804952A
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Prior art keywords
data acquisition
processing module
protection
monitoring
target monitoring
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CN202111003084.0A
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CN113804952B (en
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姚经国
李健群
张立胜
王伟
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Beijing Long Fly Science And Technology Co ltd
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Beijing Long Fly Science And Technology Co ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
    • E01F9/506—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users characterised by the road surface marking material, e.g. comprising additives for improving friction or reflectivity; Methods of forming, installing or applying markings in, on or to road surfaces
    • 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
    • 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

Abstract

The invention relates to a protection monitoring system and a method, comprising a plurality of data acquisition and processing modules, a background server and a plurality of monitoring and protection warning belts, wherein at least one metal wire is arranged in the monitoring and protection warning belts; the plurality of data acquisition and processing modules are connected with the plurality of monitoring and protection warning belts in a staggered arrangement manner; the data acquisition processing module is used for acquiring and monitoring the current of the metal wire of the protection warning belt so as to monitor the protection state of the protection warning belt. Whether the warning tape is damaged or not is judged through the current of the metal wire, so that the method has high reliability and high stability, and the problem that the false alarm rate and the missing alarm rate of the existing ground digging monitoring scheme are high is solved.

Description

Protection monitoring system and method
Technical Field
The invention relates to the technical field of safety warning, in particular to a protection monitoring system and a method.
Background
The existing underground warning belt only has a simple warning function, and after damage occurs on site, if site construction personnel do not find the warning device in time and rear-end personnel do not perform early warning on the construction personnel in advance, the site construction personnel continue construction and are very likely to damage the underground optical cable or the pipeline, so that huge loss is caused.
In addition, the existing earth excavation monitoring schemes are mainly based on video analysis and vibration sensor detection. These solutions can achieve certain effects, but are limited by objective technical conditions and other factors, and have some common or individual defects. Firstly, the video analysis camera is influenced by light, so that the identification is limited, meanwhile, the application environment of the video analysis camera is limited, the camera identification has dead angles, and the identification effect is poor in a weak light environment; secondly, the vibration sensor can generate false alarm when a large vehicle passes by the periphery or the ground vibrates, so that the reliability of the vibration sensor in the vibration environment is greatly reduced.
Therefore, the existing ground excavation monitoring scheme has high false alarm rate and low reliability.
Disclosure of Invention
The invention provides a protection monitoring system and a method in order to solve the problems of high false alarm rate and low reliability of the existing ground digging monitoring scheme.
In a first aspect, to solve the above technical problem, the present invention provides a protection monitoring system, which includes a plurality of data acquisition and processing modules, a background server, and a plurality of monitoring and protection warning belts, each of which has at least one wire inside;
the plurality of data acquisition and processing modules are connected with the plurality of monitoring and protection warning belts in a staggered arrangement mode, the data acquisition and processing modules at two ends are respectively marked as a first data acquisition and processing module and a second data acquisition and processing module, and each of the rest data acquisition and processing modules is marked as a third data acquisition and processing module;
the first data acquisition processing module is connected with the background server;
the first data acquisition and processing module is used for acquiring the current of all the metal wires in the monitoring and protection warning belt connected with the first data acquisition and processing module and sending the current to a third data acquisition and processing module connected with the first data acquisition and processing module;
the second data acquisition and processing module is used for acquiring and determining the protection state of a first target monitoring and protection warning belt according to the currents of all metal wires in the monitoring and protection warning belt connected with the second data acquisition and processing module and the current sent by a third data acquisition and processing module connected with the second data acquisition and processing module, wherein the first target monitoring and protection warning belt is the monitoring and protection warning belt of which the current flows to the second data acquisition and processing module;
any third data acquisition and processing module is used for acquiring and determining the protection state of a second target monitoring and protection warning belt according to the currents of all metal wires in the monitoring and protection warning belt connected with the third data acquisition and processing module and the currents sent by the first data acquisition and processing module or other third data acquisition and processing modules connected with the third data acquisition and processing module, wherein the second target monitoring and protection warning belt is the monitoring and protection warning belt of which the currents flow to the third data acquisition and processing module.
The protection monitoring system provided by the invention has the beneficial effects that: the problems that the false alarm rate and the missing alarm rate of the existing excavation monitoring scheme are high and the reliability is low are solved, the monitoring protection warning belt internally provided with the metal wire and the data acquisition processing module can effectively carry out digital quantization processing on the current of the metal wire, and therefore whether the monitoring protection warning belt is damaged or not is judged through the current of the metal wire; meanwhile, the monitoring and protecting warning belt and the data acquisition and processing module are not influenced by external factors such as light, vibration and the like, so that the protection and monitoring system cannot report by mistake or fail to report, and has high reliability and high stability; in addition, the monitoring protection warning belt internally provided with the metal wire also solves the problem that cables need to be additionally laid for power supply and communication in the existing land monitoring scheme.
On the basis of the technical scheme, the protection monitoring system can be further improved as follows.
Further, a communication cable is also arranged inside the monitoring and protecting warning belt;
the communication cable is used for carrying out information communication between the adjacent data acquisition and processing modules.
Further, the cable also comprises a comprehensive cable;
the first data acquisition processing module is connected with the background server through the comprehensive cable so as to carry out information communication and power supply;
the first data acquisition and processing module is further used for: and receiving the protection states of the first target monitoring and protection warning band and the second target monitoring and protection warning band, and sending the protection states to the background server.
The beneficial effect of adopting the further scheme is that: through the comprehensive cable and the communication cable inside the monitoring and protection warning belt, information communication can be well carried out between the first data acquisition and processing module and the background server and between the first data acquisition and processing module and the adjacent data acquisition and processing module, so that the protection state of the monitoring and protection warning belt in each data acquisition and processing module can be timely and accurately transmitted to the background server.
Further, the first data acquisition processing module comprises a first power supply circuit, a first signal acquisition circuit and a first communication circuit;
the first power supply circuit is used for converting the output voltage of the communication cable into a power supply voltage matched with the first data acquisition and processing module;
the first signal acquisition circuit is used for acquiring first currents of all metal wires in a monitoring and protection warning belt connected with the first data acquisition and processing module, wherein the first currents are currents flowing from the first data acquisition and processing module to the monitoring and protection warning belt;
the first communication circuit is used for sending the collected first current of all the metal wires in the monitoring and protection warning belt connected with the first data collection and processing module to a third data collection and processing module connected with the first data collection and processing module, and the monitoring and protection warning belt connected with the first data collection and processing module is a second target monitoring and protection warning belt of the third data collection and processing module connected with the first data collection and processing module;
the first communication circuit is further configured to receive protection states of all the first target monitoring and protection warning bands and the second target monitoring and protection warning bands, and send the protection states to the background server.
The beneficial effect of adopting the further scheme is that: the output voltage of the monitoring and protection warning belt can be converted into power supply voltage adaptive to the first data acquisition and processing module through the first power supply circuit, so that the first data acquisition and processing module can work normally; collecting the current of a monitoring and protection warning belt metal wire connected with the first data acquisition and processing module through a first signal acquisition circuit; can send first electric current to third data acquisition processing module through first communication circuit, can also receive the protection state in all first target monitoring protection warning areas and second target monitoring protection warning area simultaneously, send the protection state to backend server through first communication circuit, can be with the warning area protection condition that makes things convenient for the rear-end personnel to know the job site, in time make the early warning to site operation personnel, thereby accomplish important pipeline or the buried optical cable etc. of protection job site.
Further, the third data acquisition processing module comprises a third main control processor, a third power supply circuit, a third signal acquisition circuit and a third communication circuit;
the third power supply circuit is used for converting the output voltage of a second target monitoring and protecting warning band connected with the third data acquisition and processing module into a power supply voltage adaptive to the data acquisition and processing module;
the third signal acquisition circuit is used for acquiring second currents of all metal wires in a second target monitoring and protecting warning belt connected with the third data acquisition and processing module, wherein the second currents are currents flowing from the second target monitoring and protecting warning belt to the third data acquisition and processing module;
the third communication circuit is configured to receive a third current of the second target monitoring and protection warning band acquired by another third data acquisition and processing module connected to the third data acquisition and processing module, or receive a first current of the second target monitoring and protection warning band acquired by a first data acquisition and processing module connected to the third data acquisition and processing module, where the third current is a current flowing from the other third data acquisition and processing module to the second target monitoring and protection warning band;
the third main control processor is configured to obtain a protection state of the second target monitoring and protection warning band according to all the second currents collected by the third signal collection circuit and all the third currents or the first currents received by the third communication circuit.
The beneficial effect of adopting the further scheme is that: the output voltage of the second target monitoring and protecting warning band can be converted into a power supply voltage adaptive to the third data acquisition and processing module through the third power supply circuit, so that the third data acquisition and processing module can work normally; the current of a second target monitoring and protecting warning belt metal wire connected with the third data acquisition and processing module is acquired through a third signal acquisition circuit, and the third current or the first current is received through a third communication circuit, so that a subsequent third main control processor can conveniently obtain the protection state of the second target monitoring and protecting warning belt; the protection state of each second target monitoring and protection warning band is obtained by each third data acquisition and processing module, so that workers can visually know the protection condition of the warning band on a construction site conveniently, timely early warning can be achieved, and then important pipelines or buried optical cables and the like on the construction site can be protected.
Further, the obtaining of the protection state of the second target monitoring and protection warning band according to all the second currents collected by the third signal collection circuit and all the third currents or the first currents received by the third communication circuit includes:
judging whether second currents of all metal wires in any second target monitoring and protecting warning belt are smaller than a first preset value or not;
if so, the protection state of the second target monitoring protection warning belt is an abnormal state;
if not, the third main control processor judges whether the difference value between the second current of the metal wire in any one second target monitoring and protection warning belt and the third current or the first current corresponding to the second current is smaller than a second preset value, if so, the protection state of the second target monitoring and protection warning belt is a normal state, and if not, the protection state of the second target monitoring and protection warning belt is an abnormal state.
The beneficial effect of adopting the further scheme is that: whether the second current is too small can be judged by judging whether the second current is smaller than the first preset value, so that the protection state of the second target monitoring protection warning belt is obtained; whether the protection state of the second target monitoring protection warning band is normal or not can be judged by judging whether the difference value between the second current and the third current or the first current corresponding to the second current is smaller than a second preset value or not, wherein the current difference between the second current and the third current or the first current corresponding to the second current is caused by the fact that current leakage exists in the actual circuit due to long-distance power supply or signal transmission. Therefore, the actual protection state of the monitoring protection warning belt on the construction site can be accurately and effectively deduced by carrying out logic processing on the second current and the third current or the first current.
Further, the second data acquisition processing module comprises a second main control processor, a second power supply circuit, a second signal acquisition circuit and a second communication circuit;
the second power supply circuit is used for converting the output voltage of the first target monitoring and protecting warning band connected with the second data acquisition and processing module into a power supply voltage matched with the data acquisition and processing module;
the second signal acquisition circuit is used for acquiring fourth currents of all metal wires in a first target monitoring and protecting warning belt connected with the second data acquisition and processing module, and the fourth currents are currents flowing from the first target monitoring and protecting warning belt to the second data acquisition and processing module;
the second communication circuit is used for receiving a fifth current of the first target monitoring and protection warning band, which is acquired by a third data acquisition and processing module connected with the second data acquisition and processing module, wherein the fifth current is a current flowing from the third data acquisition and processing module to the first target monitoring and protection warning band;
the second main control processor is configured to obtain a protection state of the first target monitoring and protection warning band according to all the fourth currents collected by the second signal collection circuit and all the fifth currents received by the second communication circuit.
The beneficial effect of adopting the further scheme is that: the output voltage of the second target monitoring and protecting warning band can be converted into the power supply voltage adaptive to the second data acquisition and processing module through the second power supply circuit, so that the second data acquisition and processing module can work normally; the current of the first target monitoring and protecting warning belt metal wire connected with the second data acquisition and processing module is acquired through a second signal acquisition circuit, and the fifth current is received through a second communication circuit, so that a subsequent third main control processor can obtain the protecting state of the second target monitoring and protecting warning belt conveniently; the protection state of the first target monitoring protection warning belt is obtained by utilizing the second data acquisition and processing module, so that workers can visually know the protection condition of the warning belt on a construction site conveniently, timely early warning can be achieved, and then important pipelines or underground optical cables and the like on the construction site can be protected.
Further, the obtaining of the protection state of the first target monitoring protection warning band according to all the fourth currents collected by the second signal collection circuit and all the fifth currents received by the second communication circuit includes:
judging whether the fourth current of all metal wires in any first target monitoring and protecting warning belt is smaller than a third preset value or not;
if so, the protection state of the first target monitoring protection warning belt is an abnormal state;
if not, the second main control processor judges whether the difference value between the fourth current of the metal wire in any first target monitoring and protection warning belt and the fifth current corresponding to the fourth current is smaller than a fourth preset value, if so, the protection state of the first target monitoring and protection warning belt is a normal state, and if not, the protection state of the first target monitoring and protection warning belt is an abnormal state.
The data acquisition and processing module also comprises a digital quantity output circuit;
each data acquisition processing module is connected with an audible and visual alarm;
and the digital quantity output circuit is used for driving the audible and visual alarm to give an alarm when the protection state of the first target monitoring protection warning band or the second target monitoring protection warning band is an abnormal state.
The beneficial effect of adopting the further scheme is that: the digital output circuit can drive the audible and visual alarm to give an alarm in time according to the protection state of the monitoring protection warning belt, so that construction personnel on site are warned, and important pipelines or buried optical cables and the like on the construction site are protected.
In a second aspect, the present invention provides a protection monitoring method, including the following steps:
the first data acquisition and processing module acquires the current of all the metal wires in the monitoring and protection warning belt connected with the first data acquisition and processing module and sends the current to a third data acquisition and processing module connected with the first data acquisition and processing module;
the second data acquisition and processing module acquires and determines the protection state of a first target monitoring and protection warning band according to the currents of all metal wires in the monitoring and protection warning band connected with the second data acquisition and processing module and the current sent by a third data acquisition and processing module connected with the second data acquisition and processing module, wherein the first target monitoring and protection warning band is a monitoring and protection warning band in which the current flows to the second data acquisition and processing module;
and any third data acquisition and processing module acquires and determines the protection state of a second target monitoring and protection warning belt according to the currents of all the metal wires in the monitoring and protection warning belt connected with the third data acquisition and processing module and the currents sent by the first data acquisition and processing module or other third data acquisition and processing modules connected with the third data acquisition and processing module, wherein the second target monitoring and protection warning belt is the monitoring and protection warning belt of which the currents flow to the third data acquisition and processing module.
The protection monitoring method provided by the invention has the beneficial effects that: the problems that the false alarm rate and the missing alarm rate of the existing excavation monitoring scheme are high and the reliability is low are solved, the monitoring protection warning belt internally provided with the metal wire and the data acquisition processing module can effectively carry out digital quantization processing on the current of the metal wire, and therefore whether the monitoring protection warning belt is damaged or not is judged through the current of the metal wire; meanwhile, the monitoring and protecting warning belt and the data acquisition and processing module are not influenced by external factors such as light, vibration and the like, so that the protection and monitoring system cannot report by mistake or fail to report, and has high reliability and high stability; in addition, the monitoring protection warning belt internally provided with the metal wire also solves the problem that cables need to be additionally laid for power supply and communication in the existing land monitoring scheme.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention is further described below with reference to the accompanying drawings and embodiments.
Fig. 1 is a schematic structural diagram of a protection monitoring system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a monitoring and protection warning tape provided by an embodiment of the invention;
fig. 3 is a schematic structural diagram of a first data acquisition and processing module according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a third data acquisition and processing module according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second data acquisition and processing module according to an embodiment of the present invention;
fig. 6 is a flowchart illustrating a protection monitoring method according to an embodiment of the present invention.
Detailed Description
The following examples are further illustrative and supplementary to the present invention and do not limit the present invention in any way.
The protection monitoring system and method according to the embodiments of the present invention are described below with reference to the accompanying drawings.
As shown in fig. 1, a protection monitoring system according to an embodiment of the present invention includes a plurality of data acquisition and processing modules, a background server 100, and a plurality of monitoring and protection warning tapes each having at least one wire inside;
the plurality of data acquisition processing modules are connected with the plurality of monitoring and protection warning belts in a staggered arrangement mode, the data acquisition processing modules at two ends are respectively marked as a first data acquisition processing module 301 and a second data acquisition processing module 302, and each of the rest data acquisition processing modules is marked as a third data acquisition processing module 302;
the first data acquisition processing module 301 is connected with the background server 100;
the first data acquisition and processing module 301 is used for acquiring the current of all the metal wires in the monitoring and protection warning belt connected with the first data acquisition and processing module 301 and sending the current to the third data acquisition and processing module 302 connected with the first data acquisition and processing module 301;
the second data acquisition and processing module 302 is configured to acquire and determine a protection state of the first target monitoring and protection warning tape 201 according to currents of all metal wires in the monitoring and protection warning tape connected to the second data acquisition and processing module 302 and currents sent by a third data acquisition and processing module 302 connected to the second data acquisition and processing module 302, where the first target monitoring and protection warning tape 201 is a monitoring and protection warning tape in which a current flows to the second data acquisition and processing module 302;
any third data acquisition and processing module 302 is configured to acquire and determine the protection state of the second target monitoring and protection warning band 202 according to the currents of all the wires in the monitoring and protection warning band connected to the third data acquisition and processing module 302 and the currents sent by the first data acquisition and processing module 301 or other third data acquisition and processing modules 302 connected to the third data acquisition and processing module 302, where the second target monitoring and protection warning band 202 is a monitoring and protection warning band in which the currents flow to the third data acquisition and processing module 302.
The monitoring and protection warning belt internally provided with the metal wire and the data acquisition and processing module can effectively carry out digital quantization processing on the current of the metal wire, so that whether the monitoring and protection warning belt is damaged or not is judged through the current of the metal wire; meanwhile, the monitoring and protecting warning belt and the data acquisition and processing module are not influenced by external factors such as light, vibration and the like, so that the protection and monitoring system cannot report by mistake or fail to report, and has high reliability and high stability; in addition, the monitoring protection warning belt internally provided with the metal wire also solves the problem that cables need to be additionally laid for power supply and communication in the existing land monitoring scheme.
Preferably, as shown in fig. 2, taking the second target monitoring and protection warning tape 202 as an example, a communication cable 204 is further arranged inside the monitoring and protection warning tape;
the communication cable 204 is used for information communication between adjacent data acquisition and processing modules.
Preferably, as shown in fig. 1, further comprises an integrated cable 500;
the first data acquisition processing module 301 is connected with the background server 100 through a comprehensive cable 500 for information communication and power supply;
the first data collection processing module 301 is further configured to: and receiving the protection states of all the first target monitoring protection warning tape 201 and the second target monitoring protection warning tape 202, and sending the protection states to the background server 100.
Preferably, as shown in fig. 3, the first data acquisition processing module 301 includes a first power supply circuit 3012, a first signal acquisition circuit 3013 and a first communication circuit 3014;
the first power supply circuit 3012 is configured to convert the output voltage of the communication cable 204 into a power supply voltage adapted to the first data acquisition and processing module 301;
the first signal acquisition circuit 3013 is configured to acquire first currents of all the metal wires inside the monitoring and protection warning band connected to the first data acquisition and processing module 301, where the first currents are currents flowing from the first data acquisition and processing module 301 to the monitoring and protection warning band;
the first communication circuit 3014 is configured to send the acquired first currents of all the wires inside the monitoring and protection warning band connected to the first data acquisition and processing module 301 to the third data acquisition and processing module 302 connected to the first data acquisition and processing module 301, where the monitoring and protection warning band connected to the first data acquisition and processing module 301 is a second target monitoring and protection warning band 202 of the third data acquisition and processing module 302 connected to the first data acquisition and processing module 301;
the first communication circuit 3014 is further configured to receive all protection statuses of the first object monitoring protection warning tape 201 and the second object monitoring protection warning tape 202, and send the protection statuses to the background server 100.
Preferably, the first data acquisition and processing module 301 further includes a first main control processor 3011, where the first main control processor 3011 is configured to correspond the protection states and locations of all the first target monitoring and protection warning bands 201 and the second target monitoring and protection warning band 202, and send the protection states and locations to the background server 100, so that the back-end personnel can know the protection conditions and locations of the warning bands on the construction site, and timely make an early warning for the site constructors, thereby protecting the important pipelines or the buried optical cables on the construction site.
Preferably, as shown in fig. 4, the third data acquisition processing module 302 includes a third main control processor 3031, a third power supply circuit 3032, a third signal acquisition circuit 3033 and a third communication circuit 3034;
the third power supply circuit 3032 is configured to convert the output voltage of the second target monitoring and protection warning band 202 connected to the third data acquisition and processing module 302 into a power supply voltage adapted to the data acquisition and processing module;
the third signal acquisition circuit 3033 is configured to acquire second currents of all the wires inside the second target monitoring and protection warning band 202 connected to the third data acquisition and processing module 302, where the second currents are currents flowing from the second target monitoring and protection warning band 202 to the third data acquisition and processing module 302;
the second communication circuit 3024 is configured to receive a third current of the second target monitoring and protection warning band 202 collected by another third data collection and processing module 302 connected to the third data collection and processing module 302, or receive a first current of the second target monitoring and protection warning band 202 collected by the first data collection and processing module 301 connected to the third data collection and processing module 302, where the third current is a current flowing from the other third data collection and processing module 302 to the second target monitoring and protection warning band 202;
the third main control processor 3031 is configured to obtain the protection state of the second target monitoring and protection warning band 202 according to all the second currents collected by the third signal collecting circuit 3033 and all the third currents or the first currents received by the third communication circuit 3034.
Preferably, the obtaining of the protection state of the second target monitoring and warning band 202 according to all the second currents collected by the third signal collecting circuit 3033 and all the third currents or the first currents received by the third communication circuit 3034 includes:
judging whether the second current of all the metal wires in any second target monitoring and protecting warning belt 202 is smaller than a first preset value;
if so, the protection state of the second target monitoring and protection warning band 202 is an abnormal state;
if not, the third main control processor 3031 determines whether a difference value between a second current of the wire inside any one of the second target monitoring and protection warning bands 202 and a third current or a first current corresponding to the second current is smaller than a second preset value, if so, the protection state of the second target monitoring and protection warning band 202 is a normal state, and if not, the protection state of the second target monitoring and protection warning band 202 is an abnormal state.
Preferably, as shown in fig. 5, the second data acquisition processing module 302 includes a second master processor 3021, a second power supply circuit 3022, a second signal acquisition circuit 3023, and a second communication circuit 3024;
the second power supply circuit 3022 is configured to convert the output voltage of the first target monitoring and protection warning band 201 connected to the second data acquisition and processing module 302 into a power supply voltage adapted to the data acquisition and processing module;
the second signal acquisition circuit 3023 is configured to acquire a fourth current of all the metal wires inside the first target monitoring and protection warning tape 201 connected to the second data acquisition and processing module 302, where the fourth current is a current flowing from the first target monitoring and protection warning tape 201 to the second data acquisition and processing module 302;
the second communication circuit 3024 is configured to receive a fifth current of the first target monitoring and protection warning band 201, which is acquired by the third data acquisition and processing module 302 connected to the second data acquisition and processing module 302, where the fifth current is a current flowing from the third data acquisition and processing module 302 to the first target monitoring and protection warning band 201;
the second master control processor 3021 is configured to obtain the protection state of the first target monitoring and protection warning band 201 according to all the fourth currents collected by the second signal collecting circuit 3023 and all the fifth currents received by the second communication circuit 3024.
Preferably, the obtaining of the protection state of the first target monitoring protection warning band 201 according to all the fourth currents collected by the second signal collecting circuit 3023 and all the fifth currents received by the second communication circuit 3024 includes:
judging whether the fourth current of all the metal wires in any first target monitoring and protecting warning belt 201 is smaller than a third preset value;
if so, the protection state of the first target monitoring and protection warning tape 201 is an abnormal state;
if not, the second master control processor 3021 determines whether a difference between a fourth current of the wire inside any of the first target monitoring and protection warning tape 201 and a fifth current corresponding to the fourth current is smaller than a fourth preset value, if so, the protection state of the first target monitoring and protection warning tape 201 is a normal state, and if not, the protection state of the first target monitoring and protection warning tape 201 is an abnormal state.
Preferably, as shown in fig. 1 and fig. 3, an audible and visual alarm 400 is further included, and a digital quantity output circuit 305 is further included in the data acquisition and processing module;
each data acquisition processing module is connected with an audible and visual alarm 400;
the digital quantity output circuit 305 is used for driving the audible and visual alarm 400 to give an alarm when the protection state of the monitoring protection warning belt is an abnormal state.
Specifically, as shown in fig. 1, the backend server 100 is connected to a first data acquisition and processing module 301 through an integrated cable 500, the first data acquisition and processing module 301 is connected to a third data acquisition and processing module 302 through a second target monitoring and protection warning tape 202, the second data acquisition and processing module 302 is connected to the third data acquisition and processing module 302 through a first target monitoring and protection warning tape 201, and each data acquisition and processing module is connected to an audible and visual alarm 400;
as shown in fig. 2, a plurality of wires and a communication cable 204 are disposed inside the second object monitoring and warning belt 202, the plurality of wires in the second object monitoring and warning belt 202 can supply power to the third data acquisition and processing module 302, and the communication cable 204 in the second object monitoring and warning belt 202 can complete information transmission; the third data collecting and processing module 302 can determine the protection state of the second target monitoring and protection warning band 202 according to the current condition of the metal wire in the second target monitoring and protection warning band 202, which is as follows:
1) the third communication circuit 3034 in the third data acquisition and processing module 302 acquires the first current of each metal wire in the second target monitoring and protection warning band 202 from the first signal acquisition circuit 3013 in the first data acquisition and processing module 301, and the current data specifically includes:
the second target monitoring and protection warning takes the first current of a channel wire: QA1 — 1 ═ 1.2A;
the second target monitoring and protection warning belt two-channel wire first current: QA1_2 ═ 0.9A;
the second target monitoring and protection warning belt three-channel metal wire first current: QA1 — 3 ═ 1.1A;
the second target monitoring and protection warning belt has a first current of four-channel metal wires: QA1 — 4 ═ 1.0A;
the second target monitoring and protection warning belt is provided with a first current of a five-channel metal wire: QA1 — 5 ═ 0.7A;
Figure BDA0003236253390000141
2) the third signal acquisition circuit 3033 in the third data acquisition and processing module 302 acquires the second current of each wire in the second target monitoring and protection warning tape 202, and the current data specifically includes:
the second target monitoring and protection warning takes the second current of a channel wire: QA2 — 1 ═ 1.2A;
the second target monitoring and protecting warning belt is provided with a second current of the two-channel metal wire: QA2_2 ═ 1.1A;
and a second target monitoring and protecting warning second current with a three-channel metal wire: QA2 — 3 ═ 1.0A;
the second target monitoring and protection warning belt has a second current of the four-channel metal wire: QA2 — 4 ═ 0.8A;
the second target monitoring and protecting alarm takes the second current of the five-channel metal wire: QA2 — 5 ═ 1.0A;
Figure BDA0003236253390000142
3) the third main control processor 3031 in the third data acquisition and processing module 302 processes all the first currents and the second currents, which is as follows:
a channel current difference value: CA1 ═ QA1_1-QA2_1| ═ 0A;
difference of two channel currents: CA2 ═ QA1_2-QA2_2| ═ 0.2A;
three-channel current difference value: CA3 ═ QA1_3-QA2_3| ═ 0.1A;
four-channel current difference: CA4 ═ QA1_4-QA2_4| ═ 0.2A;
difference of current of five channels: CA5 ═ QA1_5-QA2_5| ═ 0.3A;
Figure BDA0003236253390000151
4) the third master controller 3031 in the third data acquisition and processing module 302 determines whether any one of the second currents is smaller than a first preset value, where the first preset value is manually set according to an actual situation, and in this embodiment, the first preset value may be set to 0.1A;
if the third master processor 3031 determines that QA1_1, QA1_2, QA1_3, QA1_4 and QA1_5 … … are all greater than 0.1A, the channels may proceed to the next determination;
if QA1_8 is 0.04A, and 0.04A is less than 0.1A, it indicates that the eight-channel wire in the second target monitoring and protection warning tape 202 is damaged and nearly broken, and the protection state of the second target monitoring and protection warning tape 202 is abnormal;
5) when any one of the second currents is greater than the first preset value, the third master processor 3031 determines whether a difference between the second current and a third current or a first current corresponding to the second current is less than a second preset value, where the second preset value is manually set according to an actual situation, and in this embodiment, the second preset value may be set to 0.2A;
if the third main control processor 3031 determines that QA1_1, CA2, CA3, CA4 and CA5 … … are all less than 0.2A, the protection state of the second target monitoring protection warning band 202 is a normal state;
however, in this embodiment, when CA5 is 0.3A and 0.3A is greater than 0.2A, it indicates that the five-channel wire in the second object monitoring/warning tape 202 is broken, and the protection state of the second object monitoring/warning tape 202 is an abnormal state.
Preferably, when the third main control processor 3031 in the third data acquisition and processing module 302 determines that the protection state of the second target monitoring and protection warning band 202 is an abnormal state, the digital output circuit 305 in the third data acquisition and processing module 302 drives the audible and visual alarm 400 to alarm, and sends the protection state to the first data acquisition and processing module 301 through the third communication circuit 3034, and finally sends the protection state to the background server 100, where the protection state may include which channel of the second target monitoring and protection warning band 202 of which data acquisition and processing module is damaged.
The manner in which the second data acquisition and processing module 302 determines the protection state of the first target monitoring and protection warning band 201 is the same as the manner in which the third data acquisition and processing module 302 determines the protection state of the second target monitoring and protection warning band 202, which is not described herein again.
As shown in fig. 6, a protection monitoring method according to an embodiment of the present invention includes the following steps:
s100, a first data acquisition and processing module 301 acquires currents of all metal wires in a monitoring and protection warning belt connected with the first data acquisition and processing module 301 and sends the currents to a third data acquisition and processing module 302 connected with the first data acquisition and processing module 301;
s200, a second data acquisition and processing module 302 acquires and determines the protection state of a first target monitoring and protection warning tape 201 according to the current of all metal wires in the monitoring and protection warning tape connected with the second data acquisition and processing module 302 and the current sent by a third data acquisition and processing module 302 connected with the second data acquisition and processing module 302, wherein the first target monitoring and protection warning tape 201 is the monitoring and protection warning tape of which the current flows to the second data acquisition and processing module 302;
s300, the third data collecting and processing module 302 collects and determines the protection state of the second target monitoring and protection warning tape 202 according to the current of all the wires inside the monitoring and protection warning tape connected to the third data collecting and processing module 302 and the current sent by the first data collecting and processing module 301 or other third data collecting and processing modules 302 connected to the third data collecting and processing module 302, where the second target monitoring and protection warning tape 202 is the monitoring and protection warning tape in which the current flows to the third data collecting and processing module 302.
The monitoring and protection warning belt internally provided with the metal wire and the data acquisition and processing module can effectively carry out digital quantization processing on the current of the metal wire, so that whether the monitoring and protection warning belt is damaged or not is judged through the current of the metal wire; meanwhile, the monitoring and protecting warning belt and the data acquisition and processing module are not influenced by external factors such as light, vibration and the like, so that the protection and monitoring system cannot report by mistake or fail to report, and has high reliability and high stability; in addition, the monitoring protection warning belt internally provided with the metal wire also solves the problem that cables need to be additionally laid for power supply and communication in the existing land monitoring scheme.
In the foregoing embodiments, although the steps are numbered as S100, S200, etc., but only the specific embodiments are given in the present application, and a person skilled in the art may adjust the execution sequence of S100, S200, etc. according to the actual situation, which is also within the protection scope of the present invention, it is understood that some embodiments may include some or all of the above embodiments.
The above-mentioned parameters and the steps for implementing the corresponding functions in the protection monitoring method of the present invention may refer to the parameters and the unit modules in the above-mentioned embodiment of the protection monitoring system, which are not described herein again.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. A protection monitoring system is characterized by comprising a plurality of data acquisition and processing modules, a background server and a plurality of monitoring and protection warning belts, wherein metal wires are arranged in the monitoring and protection warning belts;
the plurality of data acquisition and processing modules are connected with the plurality of monitoring and protection warning belts in a staggered arrangement mode, the data acquisition and processing modules at two ends are respectively marked as a first data acquisition and processing module and a second data acquisition and processing module, and each of the rest data acquisition and processing modules is marked as a third data acquisition and processing module;
the first data acquisition processing module is connected with the background server;
the first data acquisition and processing module is used for acquiring the current of all the metal wires in the monitoring and protection warning belt connected with the first data acquisition and processing module and sending the current to a third data acquisition and processing module connected with the first data acquisition and processing module;
the second data acquisition and processing module is used for acquiring and determining the protection state of a first target monitoring and protection warning belt according to the currents of all metal wires in the monitoring and protection warning belt connected with the second data acquisition and processing module and the current sent by a third data acquisition and processing module connected with the second data acquisition and processing module, wherein the first target monitoring and protection warning belt is the monitoring and protection warning belt of which the current flows to the second data acquisition and processing module;
any third data acquisition and processing module is used for acquiring and determining the protection state of a second target monitoring and protection warning belt according to the currents of all metal wires in the monitoring and protection warning belt connected with the third data acquisition and processing module and the currents sent by the first data acquisition and processing module or other third data acquisition and processing modules connected with the third data acquisition and processing module, wherein the second target monitoring and protection warning belt is the monitoring and protection warning belt of which the currents flow to the third data acquisition and processing module.
2. The protective monitoring system according to claim 1, wherein a communication cable is further arranged inside the monitoring protective warning tape;
the communication cable is used for carrying out information communication between the adjacent data acquisition and processing modules.
3. The protective monitoring system according to claim 2, further comprising an integrated cable;
the first data acquisition processing module is connected with the background server through the comprehensive cable so as to carry out information communication and power supply;
the first data acquisition and processing module is further used for: and receiving the protection states of the first target monitoring and protection warning band and the second target monitoring and protection warning band, and sending the protection states to the background server.
4. The protection monitoring system of claim 3, wherein the first data acquisition processing module comprises a first power supply circuit, a first signal acquisition circuit, and a first communication circuit;
the first power supply circuit is used for converting the output voltage of the communication cable into a power supply voltage matched with the first data acquisition and processing module;
the first signal acquisition circuit is used for acquiring first currents of all metal wires in a monitoring and protection warning belt connected with the first data acquisition and processing module, wherein the first currents are currents flowing from the first data acquisition and processing module to the monitoring and protection warning belt;
the first communication circuit is used for sending the collected first current of all the metal wires in the monitoring and protection warning belt connected with the first data collection and processing module to a third data collection and processing module connected with the first data collection and processing module, and the monitoring and protection warning belt connected with the first data collection and processing module is a second target monitoring and protection warning belt of the third data collection and processing module connected with the first data collection and processing module;
the first communication circuit is further configured to receive protection states of all the first target monitoring and protection warning bands and the second target monitoring and protection warning bands, and send the protection states to the background server.
5. The protection monitoring system of claim 4, wherein the third data acquisition processing module comprises a third master processor, a third power supply circuit, a third signal acquisition circuit, and a third communication circuit;
the third power supply circuit is used for converting the output voltage of a second target monitoring and protecting warning band connected with the third data acquisition and processing module into a power supply voltage adaptive to the data acquisition and processing module;
the third signal acquisition circuit is used for acquiring second currents of all metal wires in a second target monitoring and protecting warning belt connected with the third data acquisition and processing module, wherein the second currents are currents flowing from the second target monitoring and protecting warning belt to the third data acquisition and processing module;
the third communication circuit is configured to receive a third current of the second target monitoring and protection warning band acquired by another third data acquisition and processing module connected to the third data acquisition and processing module, or receive a first current of the second target monitoring and protection warning band acquired by a first data acquisition and processing module connected to the third data acquisition and processing module, where the third current is a current flowing from the other third data acquisition and processing module to the second target monitoring and protection warning band;
the third main control processor is configured to obtain a protection state of the second target monitoring and protection warning band according to all the second currents collected by the third signal collection circuit and all the third currents or the first currents received by the third communication circuit.
6. The protection monitoring system according to claim 5, wherein the obtaining of the protection status of the second target monitoring protection warning tape according to all the second currents collected by the third signal collecting circuit and all the third currents or the first currents received by the third communication circuit comprises:
judging whether second currents of all metal wires in any second target monitoring and protecting warning belt are smaller than a first preset value or not;
if so, the protection state of the second target monitoring protection warning belt is an abnormal state;
if not, the third main control processor judges whether the difference value between the second current of the metal wire in any one second target monitoring and protection warning belt and the third current or the first current corresponding to the second current is smaller than a second preset value, if so, the protection state of the second target monitoring and protection warning belt is a normal state, and if not, the protection state of the second target monitoring and protection warning belt is an abnormal state.
7. The protection monitoring system of claim 3, wherein the second data acquisition processing module comprises a second master processor, a second power supply circuit, a second signal acquisition circuit, and a second communication circuit;
the second power supply circuit is used for converting the output voltage of the first target monitoring and protecting warning band connected with the second data acquisition and processing module into a power supply voltage matched with the data acquisition and processing module;
the second signal acquisition circuit is used for acquiring fourth currents of all metal wires in a first target monitoring and protecting warning belt connected with the second data acquisition and processing module, and the fourth currents are currents flowing from the first target monitoring and protecting warning belt to the second data acquisition and processing module;
the second communication circuit is used for receiving a fifth current of the first target monitoring and protection warning band, which is acquired by a third data acquisition and processing module connected with the second data acquisition and processing module, wherein the fifth current is a current flowing from the third data acquisition and processing module to the first target monitoring and protection warning band;
the second main control processor is configured to obtain a protection state of the first target monitoring and protection warning band according to all the fourth currents collected by the second signal collection circuit and all the fifth currents received by the second communication circuit.
8. The protection monitoring system according to claim 7, wherein the obtaining of the protection status of the first target monitoring protection warning tape according to all the fourth currents collected by the second signal collecting circuit and all the fifth currents received by the second communication circuit comprises:
judging whether the fourth current of all metal wires in any first target monitoring and protecting warning belt is smaller than a third preset value or not;
if so, the protection state of the first target monitoring protection warning belt is an abnormal state;
if not, the second main control processor judges whether the difference value between the fourth current of the metal wire in any first target monitoring and protection warning belt and the fifth current corresponding to the fourth current is smaller than a fourth preset value, if so, the protection state of the first target monitoring and protection warning belt is a normal state, and if not, the protection state of the first target monitoring and protection warning belt is an abnormal state.
9. The protection monitoring system according to any one of claims 1-8, further comprising an audible and visual alarm, wherein the data acquisition and processing module further comprises a digital output circuit;
each data acquisition processing module is connected with an audible and visual alarm;
and the digital quantity output circuit is used for driving the audible and visual alarm to give an alarm when the protection state of the first target monitoring protection warning band or the second target monitoring protection warning band is an abnormal state.
10. A protection monitoring method using the protection monitoring system according to any one of claims 3 to 8, comprising the steps of:
the first data acquisition and processing module acquires the current of all the metal wires in the monitoring and protection warning belt connected with the first data acquisition and processing module and sends the current to a third data acquisition and processing module connected with the first data acquisition and processing module;
the second data acquisition and processing module acquires and determines the protection state of a first target monitoring and protection warning band according to the currents of all metal wires in the monitoring and protection warning band connected with the second data acquisition and processing module and the current sent by a third data acquisition and processing module connected with the second data acquisition and processing module, wherein the first target monitoring and protection warning band is a monitoring and protection warning band in which the current flows to the second data acquisition and processing module;
and any third data acquisition and processing module acquires and determines the protection state of a second target monitoring and protection warning belt according to the currents of all the metal wires in the monitoring and protection warning belt connected with the third data acquisition and processing module and the currents sent by the first data acquisition and processing module or other third data acquisition and processing modules connected with the third data acquisition and processing module, wherein the second target monitoring and protection warning belt is the monitoring and protection warning belt of which the currents flow to the third data acquisition and processing module.
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