CN105510983B - A kind of electromagnetic method early warning system and method for safety monitoring class - Google Patents
A kind of electromagnetic method early warning system and method for safety monitoring class Download PDFInfo
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- CN105510983B CN105510983B CN201510999216.8A CN201510999216A CN105510983B CN 105510983 B CN105510983 B CN 105510983B CN 201510999216 A CN201510999216 A CN 201510999216A CN 105510983 B CN105510983 B CN 105510983B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/083—Controlled source electromagnetic [CSEM] surveying
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Abstract
The present invention relates to a kind of electromagnetic method early warning system and method for safety monitoring class, the system includes emitter, transmitting coil, receiver, receiving transducer and the host computer with monitor processing module, the emitter is connected with the transmitting coil, the receiver includes a main receiver and n (n >=1) is individual from receiver, the main receiver is connected with the emitter, a receiving transducer is equipped respectively from receiver described in n, the emitter, main receiver and n are equipped with Ethernet interface from receiver, the emitter, main receiver and n Ethernet interfaces corresponding from receiver are connected by interchanger with the host computer respectively.A kind of electromagnetic method early warning system for safety monitoring class of the invention is using multiple from receiver, it is possible to achieve multiple spot monitoring, improves measurement efficiency, the data of monitoring can be transmitted to host computer in real time and be handled, and reach the purpose of early warning.
Description
Technical field
The present invention relates to geological prospecting device and method, are specifically related to a kind of electromagnetic method early warning for safety monitoring class
System and method.
Background technology
Transient electromagnetic method belongs to a kind of geophysical exploration method, and this method is using a kind of earth-free transmitting wire frame or connect
Ground line source, launch pulsatile once magnetic field to underground, during the gap in pulsatile once magnetic field, using receiving wire frame or grounding electrode
The method for observing secondary turbulence field, is mainly used in engineering exploration, the field such as metal mine and non-metal mine.Transient electromagnetic method is set
Standby is for gathering the gushing water abnormal data of mine working face in real time and implementing to monitor, can reduce mine safety hidden danger, foreign countries
Prior art situation is usually the working method using low current large wire frame, and domestic with the innovation of technology, is also gradually started
Using small wire frame electricity current method.It is the data acquisition and processing (DAP)s such as point-to-point measurement, single line analysis in measuring method.Set for correlation
Standby configuration aspects, presently mainly power supply connect emitter, emitter connection transmitting coil, receiving coil connection
Main frame harvester, gathered data are transferred to industrial computer, and industrial computer is handled data by certain software, and export and survey
Visit result, essentially all-in-one machine structure.For such working method and device structure, existing product has the disadvantage that：
A, single measurement risk is high：Due to the requirement of downhole production, the construction of existing like product is in tunnel digging
Detected after certain distance, usually between 50-70 rice.It can not so be visited for the potential safety hazard in mining process
Survey, and security incident is typically to occur in mining process in colliery.
B, one-point measurement efficiency is low：It is in specified detection place progress in work progress for current like product
Detection, and by the way of point-to-point measurement.Usual colliery heading end single measurement needs the time of half a day, the measurement of working face
The time needed is longer.The strong influence normal production requirement in colliery, operating efficiency are low.
C, can not measure in real time：Because underground coal mine carries out digging in real time, surrouding rock stress can be caused at any time in mining process
Change and structural deformation, therefore water damage can occur in real time.For such dangerous source detection in real time, currently without transition type
Equipment can detect.Processing in real time and current problem how are carried out simultaneously for the data gathered in real time.
D, it is unable to reach warning function：It is to use single one-point measurement mode in like product in the market, under
There is longer time interval in this measurement of secondary measurement distance, can not realize the energy of monitoring and early warning in real time for the investigation of exception
Power.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of electromagnetic method early warning system for safety monitoring class and side
Method, its single measurement risk is low, one-point measurement efficiency high, it is possible to achieve the purpose of measurement and early warning in real time.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of electromagnetic method early warning system for safety monitoring class
System, including emitter, transmitting coil, receiver, receiving transducer and the host computer with monitor processing module, the emitter with
The transmitting coil is connected, and the receiver includes a main receiver and n (n >=1) is individual from receiver, the main receiver with
The emitter is connected, and a receiving transducer is equipped respectively from receiver described in n, when carrying out data acquisition, n
The receiving transducer is distributed in the transmitting coil according to array type, and the emitter, main receiver and n from receiver
Ethernet interface is equipped with, the emitter, main receiver and n an Ethernet interface corresponding from receiver pass through friendship respectively
Change planes and be connected with the host computer,
The emitter, it is used to provide emission current to transmitting coil；
The transmitting coil, it is used to emission current being converted into magnetic field signal；
The receiving transducer, it is used to magnetic field signal being converted into voltage signal；
The main receiver, it is used for the emission current for monitoring the emitter in real time, is additionally operable to gather and stores described
The emission current of emitter；
It is described to control the transmitting electricity of the emitter from receiver, its acquisition instructions for being used to send according to the host computer
The direction of stream, it is additionally operable to control main receiver to be monitored and adopt the emission current of emitter according to the acquisition instructions of host computer
Collection, it is additionally operable to gather the voltage at receiving transducer both ends according to the acquisition instructions of host computer；
The host computer, it is used to initialize to the main receiver and from receiver, and to described from receiver
Send " acquisition instructions ", " send and instruct " is sent to the main receiver, be additionally operable to receive the transmitting of the main receiver collection
Electric current, and the voltage from receiver collection, and emission current and probe both end voltage are handled in real time, draw in earth's surface
Portion's structure chart.
The beneficial effects of the invention are as follows：A kind of electromagnetic method early warning system for safety monitoring class of the invention use it is multiple from
Receiver, it is possible to achieve multiple spot monitoring, improve measurement efficiency, the data of monitoring can be transmitted to host computer in real time and be handled, be reached
To the purpose of early warning.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, in addition to power module, the power module includes power supply, emission power and adapter, described
Power supply is provided with two, and respectively the first power supply and the second power supply, the adapter are provided with two, and respectively the
One adapter and the second adapter, the input of first power supply and the input of emission power pass through the first adapter
Electrically connected with tunnel city, the input of second power supply is electrically connected by second adapter with tunnel city, described
The output end of emission power is connected with the emitter, and provides emission power, first power supply for the emitter
Output end and the output end of the second power supply be respectively connected with the emitter, main receiver and n from receiver, and
For the emitter, main receiver and n working power is provided from receiver.
Further, " acquisition instructions " that the host computer is sent include " positive acquisition instructions " and " negative sense acquisition instructions ",
It is described to send positive PWM ripples, the emitter to the emitter and main receiver according to " positive acquisition instructions " from receiver
Forward direction transmission electric current, the forward direction transmission that the main receiver is launched emitter according to positive PWM ripples are launched according to positive PWM ripples
Electric current is acquired and stored, and described sent from receiver according to " negative sense acquisition instructions " to the emitter and main receiver is born
To PWM ripples, the emitter launches negative sense emission current according to negative sense PWM ripples, and the main receiver is according to negative sense PWM ripples to hair
The negative sense emission current for penetrating machine transmitting is acquired and stored.
Further, the forward voltage for gathering the receiving transducer both ends according to " positive acquisition instructions " from receiver,
And host computer is uploaded to, the negative voltage for gathering the receiving transducer both ends according to " negative sense acquisition instructions " from receiver,
And it is uploaded to host computer.
Further, described " sending instruction " includes " forward direction sends instruction " and " negative sense sends instruction ", the main receiver
The forward direction transmission electric current for gathering and storing is uploaded to by host computer according to " forward direction sends instruction ", the main receiver is according to " negative
Instructed to sending " the negative sense emission current for gathering and storing is uploaded to host computer.
Further, it is described to be gathered from receiver in collection voltages for every time 2 times, forward voltage and negative sense electricity are gathered respectively
Pressure, gathers 5 passages every time, and the main receiver gather 2 times for every time when gather emission current, and collection forward direction transmission is electric respectively
Stream and negative sense emission current, gather 3 passages every time, and the PC control main receiver and one are from receiver gathered data
Main receiver and next is controlled to be performed from receiver gathered data, successively circulation after end again.
Further, the main receiver and the emitter become one machine, and the emitter is folded by polylith expelling plate
Add composition, the transmitting coil stacks into one by more sub- transmitting coils and formed, the number of the sub- transmitting coil with it is described
The number of expelling plate is identical, and multiple expelling plates correspond to respectively to be connected with more sub- transmitting coils.
Further, the expelling plate is provided with 3 pieces, and the sub- transmitting coil is provided with 3, and the emission current of the emitter is
2A。
It is using the above-mentioned further beneficial effect of scheme：Using 3 pieces of expelling plate superposition transmittings, can be sent out with optimal enhancing
An electromagnetic field is penetrated, using low power emitter, emission current only has 2A, can reach explosion-proof requirement.
According to a kind of above-mentioned electromagnetic method early warning system for safety monitoring class, the present invention also provides a kind of safety that is used for and supervised
Survey the electromagnetic method method for early warning of class.
A kind of electromagnetic method method for early warning for safety monitoring class, using described above a kind of for safety monitoring class
Electromagnetic method early warning system carries out early warning, comprises the following steps,
S1, the host computer send from receiver and main receiver that " initialization refers to by monitor processing module to described
Make ", make described from receiver and main receiver progress parameter initialization；
S2, the host computer sends " acquisition instructions " by monitor processing module to one from receiver, from receiver root
According to " acquisition instructions " PWM ripples are sent to the emitter and main receiver；
S3, the emitter provide emission current in the presence of PWM ripples, and the emission current that the emitter provides is in institute
State and voltage is generated under the transformation of transmitting coil and receiving transducer, the main receiver is gathered and deposited in the presence of PWM ripples
Store up the emission current of emitter transmitting, at the same it is described from receiver according to " acquisition instructions " collection receiving transducer both ends
The voltage of generation, and it is uploaded to host computer；
S4, the host computer send " send and instruct " described main receiver by monitor processing module to the main receiver
The emission current for gathering and storing is uploaded to by host computer according to " sending instruction "；
S5, successively circulation perform step S1, S2, S3 and S4, and host computer collects the emission current of main receiver collection with
One voltage from receiver collection, until terminating to gather according to preset；
S6, the data that the monitor processing module of the host computer gathers according to step S5 are handled in real time, draw earth's surface
Cut-away view.
The beneficial effects of the invention are as follows：A kind of electromagnetic method method for early warning for safety monitoring class of the invention uses host computer
Monitoring processing module to main receiver and from receiver be monitored control and to master and slave receiver collection data divide
Analysis, has monitored whether projective water point, has realized warning function, sent automatically by regular hour rule by monitoring processing module in real time
Control instruction, realize that the automatic data acquisition of receiver with uploading, reaches unattended purpose.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, " acquisition instructions " that the host computer is sent include " positive acquisition instructions " and " negative sense acquisition instructions ",
" the sending instruction " that the host computer is sent includes " forward direction sends instruction " and " negative sense transmission instructs ", it is described from receiver according to
" positive acquisition instructions " send positive PWM ripples, effect of the emitter in positive PWM ripples to the emitter and main receiver
Lower transmitting forward current, the receiving transducer generate forward voltage by transmitting coil under the induction effect of forward current, institute
The forward current that main receiver gathers in the presence of positive PWM ripples and stores 3 passages of emitter transmitting is stated, it is described from connecing
Receipts machine gathers the forward voltage of 5 passages according to " positive acquisition instructions " in the receiving transducer, and is uploaded to host computer, institute
State main receiver and the forward current for gathering and storing is uploaded to by host computer according to " forward direction sends instruction "；
It is described to send negative sense PWM ripples to the emitter and main receiver according to negative sense acquisition instructions from receiver, it is described
Emitter launches negative current in the presence of negative sense PWM ripples, the receiving transducer by transmitting coil negative current sense
Lower generation negative voltage should be acted on, the main receiver gathers in the presence of negative sense PWM ripples and stores 3 of emitter transmitting
The negative current of passage, it is described to extract the negative of 5 passages in the receiving transducer according to " negative sense acquisition instructions " from receiver
To voltage, and host computer is uploaded to, in the negative current that the main receiver will be gathered and stored according to " negative sense send instruction "
Reach host computer.
Brief description of the drawings
Fig. 1 is a kind of structured flowchart of electromagnetic method early warning system for safety monitoring class of the invention；
Fig. 2 is a kind of flow chart of electromagnetic method method for early warning for safety monitoring class of the invention；
Fig. 3 is a kind of program of the monitoring processing module work of electromagnetic method method for early warning for safety monitoring class of the invention
Flow chart.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in figure 1, a kind of electromagnetic method early warning system for safety monitoring class, including emitter, transmitting coil, reception
Machine, receiving transducer, power module and the host computer with monitor processing module, the emitter are connected with the transmitting coil,
The emitter is made up of the superposition of polylith expelling plate, and the transmitting coil stacks into one by more sub- transmitting coils and formed, institute
It is identical with the number of the expelling plate to state the number of sub- transmitting coil, multiple expelling plates correspond to and more sub- transmitting coil phases respectively
Even.In this specific embodiment, in order to strengthen electromagnetic field of transmitting, the expelling plate is provided with 3 pieces, and the sub- transmitting coil is set
There are 3, in order to reach explosion-proof requirement, the present invention uses low power emitter, and the emission current of the emitter is 2A, institute
State that receiver includes a main receiver and n (n >=1) is individual is connected and collects with the emitter from receiver, the main receiver
Machine is integrally formed, a receiving transducer is equipped respectively from receiver described in n, when carrying out data acquisition, n described
Receiving transducer is distributed in the transmitting coil according to array type, and the power module includes power supply, emission power and fitted
Orchestration, the power supply are provided with two, and respectively the first power supply and the second power supply, the adapter are provided with two
Individual, respectively the first adapter and the second adapter, the input of first power supply and the input of emission power lead to
Cross the first adapter to electrically connect with tunnel city, the input of second power supply passes through second adapter and tunnel city
Electrical connection, the output end of the emission power is connected with the emitter, and provides emission power for the emitter, and described the
The output end of one power supply and the output end of the second power supply are respectively with the emitter, main receiver and n from connecing
Receipts machine is connected, and provides working power, the emitter, main receiver from receiver for the emitter, main receiver and n
Ethernet interface, the emitter, main receiver and n an ether corresponding from receiver are equipped with from receiver with n
Network interface is connected by interchanger with the host computer respectively；The emitter, it is used to provide emission current to transmitting coil；
The transmitting coil, it is used to emission current being converted into magnetic field signal；
The receiving transducer, it is used to magnetic field signal being converted into voltage signal；
The main receiver, it is used for the emission current for monitoring the emitter in real time, is additionally operable to gather and stores described
The emission current of emitter；
It is described to control the transmitting electricity of the emitter from receiver, its acquisition instructions for being used to send according to the host computer
The direction of stream, it is additionally operable to control main receiver to be monitored and adopt the emission current of emitter according to the acquisition instructions of host computer
Collection, it is additionally operable to gather the voltage at receiving transducer both ends according to the acquisition instructions of host computer；
The host computer, it is used to initialize to the main receiver and from receiver, and to described from receiver
Send " acquisition instructions ", " send and instruct " is sent to the main receiver, be additionally operable to receive the transmitting of the main receiver collection
Electric current and the probe both end voltage from receiver collection, and emission current and probe both end voltage are handled in real time, paint
Earth's surface cut-away view processed.
" acquisition instructions " that the host computer is sent include " positive acquisition instructions " and " negative sense acquisition instructions ", described from connecing
Receipts machine sends positive PWM ripples according to " positive acquisition instructions " to the emitter and main receiver, and the emitter is according to forward direction
PWM ripples launch forward direction transmission electric current, and the forward direction transmission electric current that the main receiver is launched emitter according to positive PWM ripples is carried out
Gather and store, it is described to send negative sense PWM ripples to the emitter and main receiver according to " negative sense acquisition instructions " from receiver,
The emitter launches negative sense emission current according to negative sense PWM ripples, and the main receiver is launched emitter according to negative sense PWM ripples
Negative sense emission current be acquired and store.
It is described to gather the forward voltage at the receiving transducer both ends according to " positive acquisition instructions " from receiver, and be uploaded to
Host computer, it is described to gather the negative voltage at the receiving transducer both ends according to " negative sense acquisition instructions " from receiver, and be uploaded to
Host computer.
" the sending instruction " includes " forward direction sends instruction " and " negative sense sends instruction ", and the main receiver is according to " just
Instructed to sending " the forward direction transmission electric current for gathering and storing is uploaded to host computer, the main receiver is according to " negative sense, which is sent, to be referred to
Make " the negative sense emission current for gathering and storing is uploaded to host computer.
It is described to be gathered from receiver in collection voltages for every time 2 times, forward voltage and negative voltage are gathered respectively, are adopted every time
Collect 5 passages, the main receiver gathers 2 times for every time when gather emission current, respectively collection forward direction transmission electric current and negative sense
Emission current, gathers 3 passages every time, the PC control main receiver and one from receiver gathered data terminate after again
Main receiver and next is controlled to perform from receiver gathered data, successively circulation, i.e., all handled from receiver until all
Complete, again return to First from receiver repeated acquisition flow.
A kind of electromagnetic method early warning system for safety monitoring class of the invention is using multiple from receiver, it is possible to achieve multiple spot
Monitoring, measurement efficiency is improved, the data of monitoring can be transmitted to host computer in real time and be handled, and reach the purpose of early warning.
According to a kind of above-mentioned electromagnetism early warning system for safety monitoring class, the present invention also provides one kind and is used for safety monitoring
The electromagnetism method for early warning of class.
As shown in Fig. 2 a kind of electromagnetism method for early warning for safety monitoring class, is used for safety using one kind described above
The electromagnetism early warning system for monitoring class carries out early warning, comprises the following steps,
S1, the host computer send from receiver and main receiver that " initialization refers to by monitor processing module to described
Make ", make described from receiver and main receiver progress parameter initialization；
S2, the host computer sends " acquisition instructions " by monitor processing module to one from receiver, from receiver root
According to " acquisition instructions " PWM ripples are sent to the emitter and main receiver；
S3, the emitter provide emission current in the presence of PWM ripples, and the emission current that the emitter provides is in institute
State and voltage is generated under the transformation of transmitting coil and receiving transducer, the main receiver is gathered and deposited in the presence of PWM ripples
Store up the emission current of emitter transmitting, at the same it is described from receiver according to " acquisition instructions " collection receiving transducer both ends
The voltage of generation, and it is uploaded to host computer；
S4, the host computer send " send and instruct " described main receiver by monitor processing module to the main receiver
The emission current for gathering and storing is uploaded to by host computer according to " sending instruction "；
S5, successively circulation perform step S1, S2, S3 and S4, and host computer collects the emission current of main receiver collection with
One voltage from receiver collection, until terminating to gather according to preset；
S6, the data that the monitor processing module of the host computer gathers according to step S5 are handled in real time, draw earth's surface
Cut-away view.
" acquisition instructions " that the host computer is sent include " positive acquisition instructions " and " negative sense acquisition instructions ", described upper
" send instruction " that machine is sent includes " forward direction sends instruction " and " negative sense transmission instructs ", it is described from receiver according to " forward direction is adopted
Collection instruction " sends positive PWM ripples to the emitter and main receiver, and the emitter is launched in the presence of positive PWM ripples
Forward current, the receiving transducer generate forward voltage by transmitting coil under the induction effect of forward current, and the master connects
Receipts machine gathers in the presence of positive PWM ripples and stores the forward current of 3 passages of emitter transmitting, described from receiver root
The forward voltage of 5 passages is gathered in the receiving transducer according to " positive acquisition instructions ", and is uploaded to host computer, the master connects
The forward current for gathering and storing is uploaded to host computer by receipts machine according to " forward direction sends instruction "；
It is described to send negative sense PWM ripples to the emitter and main receiver according to negative sense acquisition instructions from receiver, it is described
Emitter launches negative current in the presence of negative sense PWM ripples, the receiving transducer by transmitting coil negative current sense
Lower generation negative voltage should be acted on, the main receiver gathers in the presence of negative sense PWM ripples and stores 3 of emitter transmitting
The negative current of passage, it is described to extract the negative of 5 passages in the receiving transducer according to " negative sense acquisition instructions " from receiver
To voltage, and host computer is uploaded to, in the negative current that the main receiver will be gathered and stored according to " negative sense send instruction "
Reach host computer.
Fig. 3 is a kind of program of the monitoring processing module work of electromagnetic method method for early warning for safety monitoring class of the invention
Flow chart, in the present embodiment, the monitoring processing module control main receiver and pattern from receiver are as shown in Figure 3：The
One step, host computer send " SET " instruction (" initialization directive ") to one from receiver, and " SET " instruction carries specific engineering
Required parameter, parameter initialization is carried out according to " SET " instruction received from receiver and returns to " OK " data to host computer；
Then host computer sends " SET " instruction to main receiver, and main receiver carries out parameter initialization according to " SET " instruction received
And return to " OK " data to host computer.Second step, host computer send " GET " positive voltage acquisition instructions to this from receiver
(" GET " positive voltage acquisition instructions carry the parameter of forward direction transmission), after receiver receives " GET " positive voltage acquisition instructions, gives
Emitter and main receiver synchronously send positive PWM ripples.3rd step, after emitter receives positive PWM ripples, forward direction transmission electric current,
Main receiver also receives positive PWM ripples simultaneously, carries out collection and the storage of electric current, and the same of positive PWM ripples is being sent from receiver
The collection of the voltage of 5 passages of Shi Jinhang；Voltage acquisition data often run up to 4096 bytes and just send a number to host computer
According to, after host computer determines that positive acquisition time, positive acquisition time reach according to set acquisition parameter, host computer again give from
Receiver sends " GET " negative voltage acquisition instructions (" GET " negative voltage acquisition instructions carry the parameter of negative sense transmitting), negative sense collection
Process it is the same with positive collection, by being acquired from receiver control main receiver and emitter；After the completion of negative sense collection, on
Position machine is given from receiver and sends " OVER " instruction, is instructed from receiver according to " OVER " and replys " OK " instruction.4th step, host computer
" GET " positive current is sent to main receiver and sends instruction, and main receiver sends instruction according to " GET " positive current will be stored in internal memory
In forward direction transmission current data be sent to host computer；Then host computer sends " GET " negative current to main receiver and sends instruction,
Main receiver sends instruction according to " GET " negative current and the negative sense emission current data being stored in internal memory is sent into host computer,
Then host computer sends " OVER " instruction to main receiver, and main receiver instructs to host computer according to " OVER " and replys " OK ", on
Position machine is given from receiver and sends " END " instruction again, replys " OK " from receiver, one leaves it at that from the collection of receiver.The
Five steps, host computer send " SET " instruction to second from receiver again, the operating procedure of the above are repeated, until all from connecing
Receipts machine all handles completion, again returns to First from receiver repeated acquisition flow.
A kind of electromagnetism method for early warning for safety monitoring class of the invention is using the monitoring processing module of host computer to transmitting
Machine, main receiver and from receiver be monitored control and to from clamping collect collection data analyze, in real time monitoring be
It is no to have projective water point, warning function is realized, control instruction is sent automatically by regular hour rule by monitoring processing module, is realized
The automatic data acquisition of receiver reaches unattended purpose with uploading.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
- A kind of 1. electromagnetic method early warning system for safety monitoring class, it is characterised in that：Including emitter, transmitting coil, reception Machine, receiving transducer and the host computer with monitor processing module, the emitter are connected with the transmitting coil, the receiver It is connected including a main receiver and n from receiver, the main receiver with the emitter, n described from receiver point A receiving transducer is not equipped, and when carrying out data acquisition, the n receiving transducers are distributed in described according to array type In transmitting coil, the emitter, main receiver and n are equipped with Ethernet interface from receiver, and the emitter, master connect Receipts machine and n Ethernet interfaces corresponding from receiver are connected by interchanger with the host computer respectively,The emitter, it is used to provide emission current to transmitting coil；The transmitting coil, it is used to emission current being converted into magnetic field signal；The receiving transducer, it is used to magnetic field signal being converted into voltage signal；The main receiver, it is used for the emission current for monitoring the emitter in real time, is additionally operable to gather and stores the transmitting The emission current of machine；It is described to control the emission current of the emitter from receiver, its acquisition instructions for being used to send according to the host computer Direction, it is additionally operable to control main receiver to be monitored and gather the emission current of emitter according to the acquisition instructions of host computer, It is additionally operable to gather the voltage at receiving transducer both ends according to the acquisition instructions of host computer；The host computer, it is used to initialize to the main receiver and from receiver, and is sent to described from receiver " acquisition instructions ", " send and instruct " is sent to the main receiver, be additionally operable to receive the emission current of the main receiver collection And the probe both end voltage from receiver collection, and emission current and probe both end voltage are handled in real time, draw ground Table cut-away view.
- A kind of 2. electromagnetic method early warning system for safety monitoring class according to claim 1, it is characterised in that：Also include Power module, the power module include power supply, emission power and adapter, and the power supply is provided with two, respectively For the first power supply and the second power supply, the adapter is provided with two, respectively the first adapter and the second adapter, The input of first power supply and the input of emission power are electrically connected by the first adapter with tunnel city, and described The input of two power supplies is electrically connected by second adapter with tunnel city, the output end of the emission power with it is described Emitter is connected, and provides emission power, the output end and the second power supply of first power supply for the emitter Output end be respectively connected with the emitter, main receiver and n from receiver, and be the emitter, main receiver With n working power is provided from receiver.
- A kind of 3. electromagnetic method early warning system for safety monitoring class according to claim 1 or 2, it is characterised in that：Institute Stating " acquisition instructions " that host computer is sent includes " positive acquisition instructions " and " negative sense acquisition instructions ", it is described from receiver according to " positive acquisition instructions " send positive PWM ripples to the emitter and main receiver, and the emitter is launched according to positive PWM ripples Forward direction transmission electric current, the main receiver are acquired and deposited to the forward direction transmission electric current that emitter is launched according to positive PWM ripples Storage, it is described to send negative sense PWM ripples, the transmitting to the emitter and main receiver according to " negative sense acquisition instructions " from receiver Machine launches negative sense emission current according to negative sense PWM ripples, and the negative sense that the main receiver is launched emitter according to negative sense PWM ripples is sent out Radio stream is acquired and stored.
- A kind of 4. electromagnetic method early warning system for safety monitoring class according to claim 3, it is characterised in that：It is described from Receiver gathers the forward voltage at the receiving transducer both ends according to " positive acquisition instructions ", and is uploaded to host computer, it is described from Receiver gathers the negative voltage at the receiving transducer both ends according to " negative sense acquisition instructions ", and is uploaded to host computer.
- A kind of 5. electromagnetic method early warning system for safety monitoring class according to claim 4, it is characterised in that：It is described " sending instruction " includes " forward direction sends instruction " and " negative sense sends instruction ", and the main receiver will according to " forward direction sends instruction " The forward direction transmission electric current for gathering and storing is uploaded to host computer, and the main receiver will be gathered and deposited according to " negative sense sends instruction " The negative sense emission current of storage is uploaded to host computer.
- A kind of 6. electromagnetic method early warning system for safety monitoring class according to claim 5, it is characterised in that：It is described from Receiver gathers for every time 2 times in collection voltages, gathers forward voltage and negative voltage respectively, gathers 5 passages every time, described Main receiver gathers for every time 2 times when gathering emission current, gathers forward direction transmission electric current and negative sense emission current respectively, adopts every time Collect 3 passages, the PC control main receiver and one controlled again after terminating from receiver gathered data main receiver and Next performs from receiver gathered data, successively circulation.
- A kind of 7. electromagnetic method early warning system for safety monitoring class according to claim 1 or 2, it is characterised in that：Institute State main receiver and the emitter to become one machine, the emitter is made up of the superposition of polylith expelling plate, the emission lines Circle stacks into one by more sub- transmitting coils and formed, and the number of the sub- transmitting coil is identical with the number of the expelling plate, Multiple expelling plates correspond with more sub- transmitting coils respectively to be connected.
- 8. a kind of electromagnetic method early warning system for safety monitoring class according to claim 7, its spy are：The transmitting Plate is provided with 3 pieces, and the sub- transmitting coil is provided with 3, and the emission current of the emitter is 2A.
- A kind of 9. electromagnetic method method for early warning for safety monitoring class, it is characterised in that：It is any using the claims 1 to 8 A kind of electromagnetic method early warning system for safety monitoring class described in carries out early warning, comprises the following steps,S1, the host computer send " initialization directive " from receiver and main receiver to described by monitor processing module, made It is described to carry out parameter initialization from receiver and main receiver；S2, the host computer sends " acquisition instructions " by monitor processing module to one from receiver, from receiver according to " adopting Collection instruction " sends PWM ripples to the emitter and main receiver；S3, the emitter provide emission current in the presence of PWM ripples, and the emission current that the emitter provides is in the hair Voltage is generated under the transformation of ray circle and receiving transducer, the main receiver gathers in the presence of PWM ripples and stores institute The emission current of emitter transmitting is stated, while described gathers receiving transducer both ends generation according to " acquisition instructions " from receiver Voltage, and be uploaded to host computer；S4, the host computer send " send and instruct ", the main receiver root by monitor processing module to the main receiver The emission current for gathering and storing is uploaded to host computer according to " sending instruction "；S5, successively circulation perform step S1, S2, S3 and S4, host computer collect main receiver collection emission current and next From the voltage of receiver collection, until terminating to gather according to preset；S6, the data that the monitor processing module of the host computer gathers according to step S5 are handled in real time, are drawn inside earth's surface Structure chart.
- A kind of 10. electromagnetic method method for early warning for safety monitoring class according to claim 9, it is characterised in that：It is described " acquisition instructions " that host computer is sent include " positive acquisition instructions " and " negative sense acquisition instructions ", " hair that the host computer is sent Send instruction " include " forward direction send instruction " and " negative sense, which is sent, to be instructed ", it is described from receiver according to " positive acquisition instructions " to institute State emitter and main receiver sends positive PWM ripples, the emitter launches forward direction transmission electricity in the presence of positive PWM ripples Stream, the receiving transducer generate forward voltage, the main reception by transmitting coil under the induction effect of forward direction transmission electric current Machine gathers in the presence of positive PWM ripples and stores the forward direction transmission electric current of 3 passages of emitter transmitting, described from receiver The forward voltage of 5 passages is gathered in the receiving transducer according to " positive acquisition instructions ", and is uploaded to host computer, the master The forward direction transmission electric current for gathering and storing is uploaded to host computer by receiver according to " forward direction sends instruction "；It is described to send negative sense PWM ripples, the transmitting to the emitter and main receiver according to negative sense acquisition instructions from receiver Machine launches negative sense emission current in the presence of negative sense PWM ripples, and the receiving transducer is by transmitting coil in negative sense emission current Induction effect under generate negative voltage, the main receiver gathers in the presence of negative sense PWM ripples and stores emitter transmitting 3 passages negative sense emission current, it is described from receiver according to " negative sense acquisition instructions " in the receiving transducer extract 5 The negative voltage of passage, and host computer is uploaded to, the main receiver will be gathered and stored negative according to " negative sense sends instruction " Host computer is uploaded to emission current.
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