CN207502619U - A kind of integrated power frequency electromagnet field sensor and on-Line Monitor Device - Google Patents
A kind of integrated power frequency electromagnet field sensor and on-Line Monitor Device Download PDFInfo
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- CN207502619U CN207502619U CN201721631132.XU CN201721631132U CN207502619U CN 207502619 U CN207502619 U CN 207502619U CN 201721631132 U CN201721631132 U CN 201721631132U CN 207502619 U CN207502619 U CN 207502619U
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Abstract
The utility model provides a kind of integrated power frequency electromagnet field sensor and on-Line Monitor Device, including sensor module, integrated power frequency electromagnet field sensor is connected to field intensity meter host and the power frequency electromagnet field data of acquisition is conveyed to field intensity meter host, field intensity meter host is calculated and is shown after receiving the data of integrated power frequency electromagnet field sensor and three-dimensional rf electric field sensor acquisition and result of calculation is input to central control computer, central control computer reception is arranged on the result of calculation of the field intensity meter host of various regions and passes through the LED large screens of control centre and shown, realize electromagnetic field on-line monitoring, the utility model laser forms photoelectric converter with silicon mating plate, with fiber optic conduction, achieve the purpose that measurement sensor clean supply.Metal object is overcome to bring interference to sensor measurement signal, avoids inductive spacing Electromagnetic Interference, ensures the accuracy of measurement data, device has carried out Industrial Moulding Design, good appearance.
Description
Technical field
The utility model is related to technical field of electric field measurement, specially a kind of integrated power frequency electromagnet field sensor and online prison
Survey device.
Background technology
With the development of economic construction and the progress of science and technology, China is in power equipment, communication network, vehicles etc.
Aspect all achieves gratifying achievements.The development of every field and the application of advanced electronic equipment make people’s lives fast just
Profit improves people's material and cultural life, also just needs people to study the radiation for how measuring and protecting electromagnetic wave.
More than the electromagnetic field radiation of some strength, the dysfunction of the central nervous system of people can be caused and with sympathetic nerve
Vegetative dystonie based on tired anxiety, clinical symptoms can behave as feeling dizzy, insomnia and dreamful sleep, tiredness, memory
Power decline, palpitaition, headache, have aches in the limbs, lose the appetite, alopecia, hidrosis etc., some of the staff there is also bradycardia, blood pressure
The symptoms such as decline, cardiac arrhythmia.Electromagnetic field is noiseless, unglazed, tasteless applied field, is not up to very strong degree, and people is to feel
Less than, so this harm has very strong " concealment ", often it is not perceived by people and payes attention to.In order to ensure people's body
Body health, country have formulated corresponding laws and regulations and national standard, and for electromagnetic radiation environment management, country has compared with system
Rule and standard, Wuhan Bihai Yuntian Technology Co., Ltd. has developed according to corresponding laws and regulations and national standard
Hand-held field strength meter (electromagnetic field radiation instrument) and electromagnetic field on-line monitoring system.The instrument and on-line monitoring system are developed into
Work(provides the foundation of effectively science for the law enforcement of the functional government departments such as environmental monitoring, safety supervision, prevention and cure of occupational disease, will
It is widely used in the departments such as industrial and mining enterprises, labour protection, prevention and cure of occupational disease, environmental monitoring.
At present, electromagnetic radiation is measured with Portable electromagnetic field measuring instrument.With the enhancing of people's environmental consciousness,
Society and the public understand living environment, radiation hazradial bundle more and more, it is desirable that there are one the living environment of health, for being related to
Facility to radiation hazradial bundle can be paid attention in again, and Environmental protects the attention of work, for substation, communication base station, has electricity
Near the large scale equipment of magnetic radiation, people need long-term real time on-line monitoring, are issued by large screen or public information platform
The information and national standard of the electromagnetic radiation of relevant range allow limit value, while and pass through transmission of network to the function of environmental protection
Administrative department, monitoring management radiation event.The public is made more intuitively, correctly to recognize the facilities such as substation, communication base station attached
The size of near electromagnetic field radiation, the psychology for avoiding the facility periphery public are panic.
On-line monitoring system requires the monitoring data in monitoring process accurate, can long-term work free of discontinuities.It is former portable
Formula electromagnetic field field intensity meter power frequency probe has internal battery, circuit board, by probe circuit plate, arranging batteries in a square hexahedron
It is interior, it loads onto orthogonal pole plate and coil block respectively on hexahedron, there is optical fiber output communication interface in pole plate side,
There is charging socket, for use of charging repeatedly, outside probe other than pole plate, coil are used to sense, without any metal
Conducting wire, there is no the interference as caused by plain conductor.It is unattended, people are but during real time on-line monitoring
See the data result of large screen display, if work online sensor-use pond power supply, must have electricity be finished need to charge when
It waits, causes to be unable to long continuous operation, if connecting charger charging, power supply, plain conductor is with regard to the same inductive spacing of image antenna
Electromagnetic wave；If sensor does not have to battery powered, be designed as external exchange and turn direct current supply, power cord can there are it is similary the problem of,
Facts proved that this external plain conductor inductive spacing electromagnetic wave brings the mistake that interference causes measurement result to bring hundreds and thousands of times
Difference, and display data is unstable, there is also interference to circuit board for spatial electromagnetic wave.How sensor powerup issue, electromagnetism are solved
Wave is to the interference problem of circuit boardIt is the problem to be solved in the present invention.Electromagnetic field measurements sensor needs prolonged placement unobstructed
Spacious open space, sensor device need to stand the test exposed to the sun and rain, and device materials are corrosion-resistant, anti-aging；In order to
Ensure the measurement sensitivity of sensor, case material also needs the blocking attenuation characteristic to electromagnetic wave the smaller the better！How to design
Emf sensor deviceThis is the job that electromagnetic field on-line monitoring must be resolved.
Utility model content
The purpose of this utility model is to provide a kind of integrated power frequency electromagnet field sensor and on-Line Monitor Devices, solve
The power supply of sensor and the problems such as interfere problem accordingly, overcome the reduction of sensitivity, ensure that on-line monitoring system electromagnetism
Field monitoring data are accurate, system long-term stable operation free of discontinuities.
The technical solution of the utility model：A kind of integrated power frequency electromagnet field sensor, including sensor module, sensor group
Setting sensor block above part, the lower section installation bottom cover of sensor module, sensor block and bottom cover are matched sensor
Component covers completely, the support tube in the connection of the lower section of bottom cover, and the lower end of upper support tube connects lower support by intermediate connecting seat
The upper end of pipe, the lower end of lower support tube are connected to bottom support base, and bottom support base is securedly mounted on prefabricated stylobate, described pre-
Pre-buried cable is provided in stylobate processed, pre-buried cable one end passes through upper support tube and lower support tube to be connected to sensor module, separately
One end is connected to field intensity meter by optical fiber.
The sensor module is supported on by nylon support column in sensor block, and the sensor block and bottom cover lead to
Nylon screw is crossed to link together.
By nylon Stud connection to the aluminium side's integrated package for being used as supporting rack, aluminium side integrates on the top of the nylon support column
Optic fibre switching circuit board is mounted by means of screws on block, optical fiber RX sockets and optical fiber TX are provided on optic fibre switching circuit board
Socket, optical fiber RX sockets connect fiber connector with optical fiber TX sockets, are fixedly mounted on aluminium side's integrated package by sunk screw
There is photocell, the photocell connects laser transmission fiber connector, and fiber connector and laser transmission fiber connector are all connected to
Pre-buried cable, in aluminium side, three adjacent faces of integrated package are equipped with X to parallel plate electrode, Y-direction parallel plate electrode and Z-direction parallel plate electrode,
Coil block is installed, coil block is mounted on by nylon screw on aluminium side's integrated package, X on aluminium side integrated package the other three face
Be attached to parallel plate electrode, Y-direction parallel plate electrode and Z-direction parallel plate electrode junction with insulating tape, the Z-direction parallel plate electrode with
Preceding barricade between aluminium side's integrated package is installed, is pacified between coil block corresponding with Z-direction parallel plate electrode and aluminium side's integrated package
Equipped with rear barricade, there are spaces between rear barricade and aluminium side's integrated package to place sensor circuit board.
Be lined with silica gel plate between the optic fibre switching circuit board and aluminium side's integrated package, in aluminium side integrated package and coil block it
Between be lined with nylon support tube.
The sensor circuit board is fixed on aluminium side's integrated package by short connection hexagon prism and the long cooperation for being coupled hexagon prism
On, rear barricade and short connection hexagon prism, the long hexagon prism that is coupled are locked by sunk screw in the outside of rear barricade.
It is offered on aluminium side's integrated package for installing photronic photocell mounting hole, for installing coil block
Coil block mounting hole connect for optical fiber RX sockets and optical fiber TX sockets with the socket that sensor circuit board connecting wire passes through
Wire guide, the conducting wire via passed through for conducting wire, for the pole plate mounting hole of installing parallel plate electrode and for installing barricade
Barricade mounting hole.
The coil block includes line wheel, line wheel tighten it is close be wound with coil, be further opened with line in the outer of line wheel
Enclose conducting wire crossed beam trunking；The lower end of the sensor block was provided with connecting hole around one week, in offering for one week with connecting for bottom cover
The corresponding screw hole in hole is connect, nylon screw is screwed into connecting hole across screw hole so that sensor block and bottom cover connect into one
Body, is additionally provided with the mounting groove for installing nylon support column on bottom cover and the support tube for being connect with upper support tube connects
Connector.
A kind of electromagnetic field on-Line Monitor Device including above-described integrated power frequency electromagnet field sensor, integrates power frequency electric
Magnetic field sensor is connected to field intensity meter host and the power frequency electromagnet field data of acquisition is conveyed to field intensity meter host, field intensity meter host
Three-dimensional rf electric field sensor is also connected with to receive the data of three-dimensional rf electric field sensor acquisition, field intensity meter host receives collection
It is calculated and is shown after into power frequency electromagnet field sensor and the data of three-dimensional rf electric field sensor acquisition and by result of calculation
Central control computer is input to, central control computer reception is arranged on the result of calculation of the field intensity meter host of various regions and passes through control centre
LED large screens shown, realize electromagnetic field on-line monitoring.
The integrated power frequency electromagnet field sensor is also connected with laser generator, and the laser generator will by pre-buried cable
Laser is transferred in sensor module to provide the energy to photocell.
The integrated power frequency electromagnet field sensor connects fiber connector and company by optical fiber RX sockets with optical fiber TX sockets
Pre-buried cable realization is connected to field intensity meter host to be connected.
Compared with prior art, the beneficial effects of the utility model are：
Power frequency electromagnet field sensor laser forms photoelectric converter with silicon mating plate, with fiber optic conduction, reaches measurement and passes
The purpose of sensor clean supply.Metal object is overcome to bring interference to sensor measurement signal, avoids inductive spacing electromagnetic wave
Interference ensures the accuracy of measurement data；Its sensor of the electromagnetic field on-Line Monitor Device of the utility model using integrated package come
Each parts are integrated, it is compact-sized, the wiring of circuit is optimized, the interference that wires cross is brought is avoided, improves sensor
The stability of measurement and accuracy；Transducer arrangement configuration designs and parts selection, overcomes and is sensed caused by material
Spatial electromagnetic wave interference；The three-dimensional power frequency magnetic field sensors of integrated three orthogonal search coils compositions, three be mutually perpendicular to
The three-dimensional power frequency electric field sensor of parallel plate electrode composition in one so that sensor any direction is placed, and it is total to survey electromagnetic field intensity
Measure constant, and electric field, magnetic field three-dimensional measure simultaneously；Device has carried out Industrial Moulding Design, good appearance.
Description of the drawings
Fig. 1 integrates power frequency electromagnetic field sensor structure schematic diagram for the utility model；
Fig. 2 is the utility model sensor module mounting structure schematic diagram；
Fig. 3 is the utility model sensor module front cross-sectional structure diagram；
Fig. 4 is the utility model sensor module side, sectional structure diagram；
Fig. 5 is the utility model aluminium side integrated block structure schematic diagram；
Fig. 6 is the utility model coil block structure diagram；
Fig. 7 is the utility model sender unit cap cap structure schematic diagram；
Fig. 8 is the utility model bottom cover structure schematic；
Fig. 9 is the utility model on-Line Monitor Device structural schematic block diagram.
In figure：1- sensor modules, 2- sensor blocks, 3- bottom covers, the upper support tubes of 4-, connecting seat among 5- are propped up under 6-
Stay tube, 7- bottoms support base, the prefabricated stylobates of 8-, the pre-buried cables of 9-, 10- nylon screws, 11- nylon support columns, 12- nylon spiral shells
Column, 13- aluminium sides integrated package, 14- screws, 15- optic fibre switching circuit boards, 16- optical fiber RX sockets, 17- optical fiber TX sockets, 18- light
Fine connector, 19- sunk screws, 20- photocells, 21- laser transmission fiber connectors, 22-Y is to parallel plate electrode, and 23-X is to parallel
Pole plate, 24-Z is to parallel plate electrode, 25- coil blocks, 26- insulating tapes, 27- silica gel plates, barricade before 28-, is shielded after 29-
Plate, the short connection hexagon prisms of 30-, 31- long are coupled hexagon prism, 32- nylon support tubes, 33- sensor circuit boards, 130- photocells peace
Fill hole, 131- coil block mounting holes, 132- socket connecting wires hole, 133- conducting wire vias, 134- pole plate mounting holes, 135- screens
Shield plate mounting hole, 200- connecting holes, 300- screw holes, 301- mounting grooves, 302- support pipe connectors, 250- line wheels, 251- coils,
252- winding wire crossed beam trunkings, 100- integrate power frequency electromagnet field sensor, 101- field intensity meter hosts, and 102- three-dimensionals rf electric field passes
Sensor, 103- central control computers, 104-LED large screens, 105- laser generators.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Referring to Fig. 1, a kind of integrated power frequency electromagnet field sensor, including sensor module 1, is set above sensor module
Sensor block 2, the lower section installation bottom cover 3 of sensor module 1, sensor block 2 and bottom cover 3 are matched sensor module 1
It covers completely, the support tube 4 in the connection of the lower section of bottom cover 3, the lower end of upper support tube 4 connects lower support by intermediate connecting seat 5
The upper end of pipe 6, the lower end of lower support tube 6 are connected to bottom support base 7, and bottom support base 7 is securedly mounted on prefabricated stylobate 8,
Pre-buried cable 9 is provided in the prefabricated stylobate 8, pre-buried 9 one end of cable passes through upper support tube 4 and lower support tube 6 to be connected to biography
Sensor component 1, the other end is connected to field intensity meter by optical fiber.
The sensor module 1 is supported on by nylon support column 11 in sensor block 2,2 He of sensor block
Bottom cover 3 is linked together by nylon screw 10.
The top of the nylon support column 11 is connected to the aluminium side's integrated package 13 for being used as supporting rack, aluminium by nylon stud 12
Optic fibre switching circuit board 15 is installed with by screw 14 on square integrated package 13, optical fiber is provided on optic fibre switching circuit board 15
RX sockets 16 and optical fiber TX sockets 17, optical fiber RX sockets 16 and optical fiber TX sockets 17 connect fiber connector 18, are integrated in aluminium side
Photocell 20 is installed with by sunk screw 19 on block 13, the photocell 20 connects laser transmission fiber connector 21, light
Fine connector 18 and laser transmission fiber connector 21 are all connected to pre-buried cable 9, the three faces installation that integrated package 13 is adjacent in aluminium side
There is X to parallel plate electrode 23, Y-direction parallel plate electrode 22 and Z-direction parallel plate electrode 24, be equipped on 13 the other three face of aluminium side's integrated package
Coil block 25, coil block 25 are mounted on by nylon screw 10 on aluminium side's integrated package 13, and X is parallel to parallel plate electrode 23, Y-direction
Pole plate 22 and 24 junction insulating tape 26 of Z-direction parallel plate electrode are attached, the Z-direction parallel plate electrode 24 and aluminium side's integrated package
Barricade 28 before being equipped between 13, pacifies between 24 corresponding coil block 25 of Z-direction parallel plate electrode and aluminium side's integrated package 13
Equipped with rear barricade 29, there are spaces between rear barricade 29 and aluminium side's integrated package to place sensor circuit board 33.
Silica gel plate 27 is lined between the optic fibre switching circuit board 15 and aluminium side's integrated package 13, integrated package 13 and line in aluminium side
Nylon support tube 32 is lined between coil assembly 25.
The sensor circuit board 33 is fixed on aluminium side by short connection hexagon prism 30 and the long cooperation for being coupled hexagon prism 31
On integrated package 13, rear barricade 29 and short connection hexagon prism 30, length are coupled by the outside of rear barricade 29 by sunk screw 19
Hexagon prism 31 is locked.
It is offered on aluminium side's integrated package 13 for installing the photocell mounting hole 130 of photocell 20, for hookup wire
The coil block mounting hole 131 of coil assembly 25 connects for optical fiber RX sockets 16 and optical fiber TX sockets 17 with sensor circuit board 33
Connect socket connecting wire hole 132 that conducting wire passes through, the conducting wire via 133 passed through for conducting wire, the pole for installing parallel plate electrode
Plate mounting hole 134 and the barricade mounting hole 135 for installing barricade.
The coil block 25 includes line wheel 250, coil 251 is closely wound in line wheel 250, in line wheel 250
Outer is further opened with winding wire crossed beam trunking 252；The lower end of the sensor block 2 was provided with connecting hole 200 around one week,
One week of bottom cover 3 is offered is screwed into connecting hole with 200 corresponding screw hole 300 of connecting hole, nylon screw 10 across screw hole 300
So that sensor block 2 and bottom cover 3 link into an integrated entity in 200, it is additionally provided with that nylon support column 11 is installed on bottom cover 3
Mounting groove 301 and the support pipe connector 302 for being connect with upper support tube 4.
A kind of electromagnetic field on-Line Monitor Device including above-described integrated power frequency electromagnet field sensor 100, integrates power frequency
Emf sensor 100 is connected to field intensity meter host 101 and the power frequency electromagnet field data of acquisition is conveyed to field intensity meter host
101, field intensity meter host 101 is also connected with three-dimensional rf electric field sensor 102 and is acquired to receive three-dimensional rf electric field sensor 102
Data, field intensity meter host 101 receives integrated power frequency electromagnet field sensor 100 and three-dimensional 102 acquisition of rf electric field sensor
It is calculated and is shown after data and result of calculation is input to central control computer 103, the reception of central control computer 103 is arranged on each
The result of calculation of the field intensity meter host 101 on ground simultaneously passes through the LED large screens 103 of control centre and is shown, realizes that electromagnetic field exists
Line monitors.
The integrated power frequency electromagnet field sensor 100 is also connected with laser generator 105, and the laser generator 105 passes through
Laser is transferred in sensor module 1 to provide the energy to photocell 20 by pre-buried cable 9.
The integrated power frequency electromagnet field sensor 100 connects optical fiber by optical fiber RX sockets 16 and optical fiber TX sockets 17 and connects
It first 18 and is connected to the realization of pre-buried cable 9 and is connected with field intensity meter host 101.
Aluminium side's integrated package 13, in one, makes sensor structure compact, transfer wire for each parts of integrated sensor
Wiring is rationally clean and tidy, and shield effectiveness is good, improves the overall performance of sensor.The forward and backward barricade of barricade point, mounted on integrated package
Corresponding position forms shielding chamber, prevents the interference of spatial electromagnetic wave.Sensor circuit board component is for power frequency electric field, magnetic field
The acquisition of signal, is handled through single-chip data, output digit signals.There are 3 pieces of parallel plate electrodes to be mounted on the 3 of hexahedral integrated package
On a orthogonal face, for sensing power-frequency electric field strength signal (EX/EY/EZ).
Material：Epoxy is two-sided to cover silverskin plate mechanical processing, chemical attack molding.
The long 65mm-75mm of pole plate, wide 65mm-75mm, the spacing of two pole plates is 0.1mm-0.3mm,
Composition 3, which is mutually perpendicular to 3 angle point soldering and weldings of inner surface during face, together, makes 3 inner surfaces form current potential
Equipotential volume, i.e. common end, while play firm effect.
There are 3 coil blocks to be mounted on hexahedron 3 orthogonal faces opposite with 3 parallel plate electrodes, for feeling
Answer power frequency magnetic field intensity signal (BX/BY/BZ).
Line wheel：Material is nylon, by mold compression moulding；
Coil：Linear diameter is the copper core enameled wire of 0.1~φ of φ 0.2mm, and the number of turn is 220~280 circles.
Photocell generates 6.7~6.9V voltages under constant laser intensity illumination, is 5V through regulator circuit voltage stabilizing, then pass through
DC-DC is converted to 3.3V, supplies sensor circuit.
Nylon support column is used for the bottom cover of sensor module attachment device, be fiber-optical socket with bottom cover outlet at bottom have 40~
The height space of 60mm ensures that optical fiber has certain bending radius, prevents optical fiber pack dead.
Sensor block：For windproof, rain, solarization, dirt, it is desirable that wave is good, and material is polytetrafluoroethylene (PTFE).
Bottom cover：For connecting sensor block, sensor module is supported, connects trip bolt nylon screw, lower part connects
Connect support tube, the two PVC glue stickings.
Upper support tube：For connecting bottom cover and middle connecting seat, junction PVC glue stickings play a supportive role, Guan Zhongwei light
The channel of fine optical cable.
Middle connecting seat：For connecting upper and lower support tube, junction PVC glue stickings.
Lower support tube：For connecting lower support tube, bottom support bracket, junction PVC glue stickings play a supportive role, Guan Zhong
Channel for optical fiber cable.
Bottom support bracket：For connecting lower support tube, junction PVC glue stickings, serve stablize it is anti-translate into, bottom in advance
Stylobate processed is connected with bolt fastener.
Prefabricated stylobate:For installing the bottom support bracket of sensor device, play the role of firm, anti-flooding.Prefabricated stylobate
When, preheating embedding line and the pre-buried installation bolt in position by bottom support bracket mounting hole.
Material：Sand, stone, coagulating cement make.
Specification：Long 400~500mm, wide 400~500mm, high 300~400mm
Key component power frequency electromagnetic field measuring probe is by three pairs of mutually mutually orthogonal parallel plate electrodes, three pairs of mutually orthogonal lines
Circle, circuit board group prejudice figure power frequency probe assembly figure：
Power frequency electromagnetic field measuring principle
Power frequency magnetic field measurement forms three-dimensional power frequency magnetic field sensor by three orthogonal search coils and forms, and works as spy
When test coil enters magnetic field, by measuring the induced electromotive force of search coil, corresponding magnetic induction intensity can be determined.Pass through three
Coil measures three road voltage signals of induced electromotive force, through variable connector, is respectively fed to amplifier processing, is converted into counting through A/D
Word signal is sent into microcontroller calculation processing, and result is sent to hand-held host SCM by optical fiber is handled, and display is sent to show X
Axis, Y-axis, three directions of Z axis component Bx, By, Bz and B (three component square root sum squares).
Power frequency electric field measurement forms three-dimensional power frequency electric field sensor by three orthogonal parallel plate electrodes and forms.Work as spy
When survey parallel plate electrode enters electric field, the both end voltage of parallel plate electrode is detected by measurement, corresponding electric field strength can be determined.It is logical
Three road voltage signals of three orthogonal parallel plate electrode both end voltages are crossed, through variable connector, are respectively fed to amplifier processing,
Digital signal is converted into through A/D, is sent into microcontroller calculation processing, result is sent to hand-held host SCM by optical fiber is handled,
Send display show X-axis, Y-axis, three directions of Z axis component Ex, Ey, Ez and E (three component square root sum squares).
The course of work
The electromagnetic field on-line monitoring system course of work：
1. power frequency electromagnetic field sensor probe is mounted on point position as required；
2. powering on, laser is powered by optical fiber opto-electronic conversion to power frequency electromagnet field sensor, is at normal
Measuring state；
3. the electric signal that sensor measures send central control computer to handle through amplification, A/D conversions inside device；
4. send measurement result to large screen display in real time.
Manufacture, production technology
Each component is assembled by design drawing, technical papers processing, system engineering installation is carried out by technology requirement.
Calibration：Power frequency electromagnet field sensor is before loading system, respectively in Special instruments such as helmholtz coil, parallel plate electrodes
It is calibrated in device equipment, reaches range ability, accuracy requirement.
Debugging：After each instrument of system, component assemble, each signal path is debugged, whole system is made to reach measurement, signal biography
Defeated, display normal condition.
Technical essential and with similar product difference
1. power frequency measuring probe laser forms photoelectric converter with silicon mating plate, with fiber optic conduction, reach measurement sensing
The purpose of device clean supply.Metal object is overcome to bring interference to sensor measurement signal, inductive spacing electromagnetic wave is avoided to do
It disturbs, ensures the accuracy of measurement data.
2. material selection main points of popping one's head in：Probe material requirements has some strength, can wait natures mal-condition exposing to the sun and rain
Under use；Also to meet the detection requirement to signal simultaneously, if material is excessive to detectable signal attenuation, sensor can be caused
To signal detection less than the sensitivity of sensor will be reduced.By a large amount of selections it is demonstrated experimentally that polytetrafluoroethylene material
Decay to electromagnetic wave signal relatively small, while intensity and anti-aging requirement can be met.
3. sensor three-dimensional measures simultaneously.
4. the system is compared with similar products：The power supply of existing product sensor turns direct current using exchange and is led by metal
Line is powered, this is bound to by electromagnetic interference, and the processing method after interference is typically coefficient amendment, but strong in electromagnetic radiation
During degree variation, in different radiation intensity sections, fixed coefficient amendment can be not used, can give measurement result there are nonlinear problem
Bring very big error.And with photoelectricity conversion electric power, the size of electromagnetic field radiation intensity just can effectively, be truly measured.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (10)
1. a kind of integrated power frequency electromagnet field sensor, it is characterised in that：Including sensor module, set and pass above sensor module
Sensor block, the lower section installation bottom cover of sensor module, sensor block and bottom cover match and cover sensor module completely,
The support tube in the connection of the lower section of bottom cover, the lower end of upper support tube connect the upper end of lower support tube, lower branch by intermediate connecting seat
The lower end of stay tube is connected to bottom support base, and bottom support base is securedly mounted on prefabricated stylobate, is set in the prefabricated stylobate
There is pre-buried cable, pre-buried cable one end passes through upper support tube and lower support tube to be connected to sensor module, and the other end passes through optical fiber
It is connected to field intensity meter.
2. a kind of integrated power frequency electromagnet field sensor according to claim 1, it is characterised in that：The sensor module leads to
It crosses nylon support column to be supported in sensor block, the sensor block and bottom cover are linked together by nylon screw.
3. a kind of integrated power frequency electromagnet field sensor according to claim 2, it is characterised in that：The nylon support column
Top is mounted by means of screws with light by nylon Stud connection to the aluminium side's integrated package for being used as supporting rack on aluminium side's integrated package
Fine switching circuit board is provided with optical fiber RX sockets and optical fiber TX sockets, optical fiber RX sockets and optical fiber TX on optic fibre switching circuit board
Socket connects fiber connector, and photocell, the photocell connection are installed with by sunk screw on aluminium side's integrated package
Laser transmission fiber connector, fiber connector and laser transmission fiber connector are all connected to pre-buried cable, in aluminium side's integrated package phase
Three adjacent faces are equipped with X to parallel plate electrode, Y-direction parallel plate electrode and Z-direction parallel plate electrode, pacify on aluminium side integrated package the other three face
Equipped with coil block, coil block is mounted on by nylon screw on aluminium side's integrated package, X to parallel plate electrode, Y-direction parallel plate electrode and
Z-direction parallel plate electrode junction is attached with insulating tape, and preceding screen is equipped between the Z-direction parallel plate electrode and aluminium side's integrated package
Shield plate is equipped with rear barricade between coil block corresponding with Z-direction parallel plate electrode and aluminium side's integrated package, rear barricade with
There are spaces between aluminium side's integrated package to place sensor circuit board.
4. a kind of integrated power frequency electromagnet field sensor according to claim 3, it is characterised in that：The optic fibre switching circuit
Silica gel plate is lined between plate and aluminium side's integrated package, nylon support tube is lined between aluminium side's integrated package and coil block.
5. a kind of integrated power frequency electromagnet field sensor according to claim 3, it is characterised in that：The sensor circuit board
It is fixed on aluminium side's integrated package by short connection hexagon prism and the long cooperation for being coupled hexagon prism, passes through countersunk head on the outside of rear barricade
Screw locks rear barricade and short connection hexagon prism, the long hexagon prism that is coupled.
6. a kind of integrated power frequency electromagnet field sensor according to claim 3, it is characterised in that：On aluminium side's integrated package
Offer for installing photronic photocell mounting hole, for coil block is installed coil block mounting hole, for optical fiber
Socket connecting wire hole that RX sockets and optical fiber TX sockets are passed through with sensor circuit board connecting wire is led for what conducting wire passed through
Line via, the barricade mounting hole for the pole plate mounting hole of installing parallel plate electrode and for installing barricade.
7. a kind of integrated power frequency electromagnet field sensor according to claim 3, it is characterised in that：The coil block includes
Line wheel, line wheel tighten it is close be wound with coil, be further opened with winding wire crossed beam trunking in the outer of line wheel；The sender unit cap
The lower end of cap was provided with connecting hole around one week, in offering for one week and the corresponding screw hole of connecting hole, nylon screw for bottom cover
It is screwed into connecting hole across screw hole so that sensor block and bottom cover link into an integrated entity, is additionally provided with to install on bottom cover
The mounting groove of nylon support column and the support pipe connector for being connect with upper support tube.
8. a kind of electromagnetic field on-Line Monitor Device, it is characterised in that：Including the integrated power frequency electric as described in claim 1-7 is any
Magnetic field sensor, integrated power frequency electromagnet field sensor are connected to field intensity meter host and are conveyed to the power frequency electromagnet field data of acquisition
Field intensity meter host, field intensity meter host are also connected with three-dimensional rf electric field sensor to receive three-dimensional rf electric field sensor acquisition
Data, field intensity meter host are counted after receiving the data of integrated power frequency electromagnet field sensor and three-dimensional rf electric field sensor acquisition
It calculates and shows and result of calculation is input to central control computer, central control computer reception is arranged on the meter of the field intensity meter host of various regions
It calculates result and passes through the LED large screens of control centre and shown, realize electromagnetic field on-line monitoring.
9. electromagnetic field on-Line Monitor Device according to claim 8, it is characterised in that：The integrated power frequency electromagnetic field sensing
Device is also connected with laser generator, and laser is transferred in sensor module to light by the laser generator by pre-buried cable
Battery provides the energy.
10. electromagnetic field on-Line Monitor Device according to claim 8, it is characterised in that：The integrated power frequency electromagnetic field passes
Sensor connects fiber connector by optical fiber RX sockets and optical fiber TX sockets and is connected to pre-buried cable and realizes and field intensity meter host
It is connected.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894536A (en) * | 2017-11-27 | 2018-04-10 | 武汉碧海云天科技股份有限公司 | A kind of integrated power frequency electromagnet field sensor and on-Line Monitor Device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894536A (en) * | 2017-11-27 | 2018-04-10 | 武汉碧海云天科技股份有限公司 | A kind of integrated power frequency electromagnet field sensor and on-Line Monitor Device |
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