CN107894537A - A kind of power frequency electromagnetic field sensor probe - Google Patents
A kind of power frequency electromagnetic field sensor probe Download PDFInfo
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- CN107894537A CN107894537A CN201711202211.3A CN201711202211A CN107894537A CN 107894537 A CN107894537 A CN 107894537A CN 201711202211 A CN201711202211 A CN 201711202211A CN 107894537 A CN107894537 A CN 107894537A
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0878—Sensors; antennas; probes; detectors
- G01R29/0885—Sensors; antennas; probes; detectors using optical probes, e.g. electro-optical, luminescent, glow discharge, or optical interferometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The present invention provides a kind of power frequency electromagnetic field sensor probe, sensor block and bottom are engaged covers sensor cluster completely, optic fibre switching circuit board is mounted by means of screws with aluminium side's integrated package, photocell is installed with by sunk screw on aluminium side's integrated package, in aluminium side, three adjacent faces of integrated package are provided with X to parallel plate electrode, Y-direction parallel plate electrode and Z-direction parallel plate electrode, coil block is installed on aluminium side integrated package the other three face, preceding barricade is installed between the Z-direction parallel plate electrode and aluminium side's integrated package, rear barricade is installed between the coil block and aluminium side's integrated package corresponding with Z-direction parallel plate electrode, space is left between rear barricade and aluminium side's integrated package to place sensor circuit board.Present invention laser forms optical-electrical converter with silicon mating plate, with fiber optic conduction, reaches the purpose of measurement sensor clean supply, avoids inductive spacing Electromagnetic Interference, ensure the accuracy of measurement data.
Description
Technical field
The present invention relates to technical field of electric field measurement, specially a kind of power frequency electromagnetic field sensor probe.
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 the life of people quick just
Profit, people's material and cultural life is improved, also just need people to study and how to measure and protect the radiation of 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, its 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 " disguise ", 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. have 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(, the foundation of effectively science is provided 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 more and more for living environment, radiation hazradial bundle, it is desirable to have a healthy living environment, for being related to
Facility to radiation hazradial bundle can be paid attention in again, and Environmental protects the attention of work, for transformer station, 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 giant-screen or public information platform
The information and national standard of the electromagnetic radiation of relevant range allow limit value, while and are sent to the function of environmental protection by network
Administrative department, monitoring management radiation event.The public is set more intuitively, correctly to recognize the facilities such as transformer station, communication base station attached
The size of near electromagnetic field radiation, avoid the psychology of the facility periphery public panic.
On-line monitoring system requirement Monitoring Data in monitoring process is 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, load 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, be available for use of charging repeatedly, outside probe in addition to pole plate, coil are used to sense, without any metal
Wire, in the absence of the interference as caused by plain conductor.But it is unattended, people are 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
Wait, cause 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, it is designed as external exchange and turns direct current supply, power line can have the problem of same,
It fact proved, 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 ripple.How sensor powerup issue, electromagnetism are solved
Interference problem of the ripple to circuit boardIt is the problem to be solved in the present invention.Electromagnetic field measurementses 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 stop 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.
The content of the invention
It is an object of the invention to provide a kind of power frequency electromagnetic field sensor probe, solves the power supply of sensor and corresponding
Interference problem, the problems such as overcoming the reduction of sensitivity, ensure that on-line monitoring system electromagnetic field Monitoring Data it is accurate,
System long-term stable operation free of discontinuities.
Technical scheme：A kind of power frequency electromagnetic field sensor probe, including sensor cluster, on sensor cluster
Side sets sensor block, and the lower section installation bottom of sensor cluster, sensor block and bottom are engaged sensor cluster
Cover completely, the sensor cluster is supported in sensor block by nylon support column, the sensor block and bottom
Linked together by nylon screw, the top of the nylon support column passes through nylon Stud connection to the aluminium side for being used as support frame
Integrated package, optic fibre switching circuit board is mounted by means of screws with aluminium side's integrated package, light is provided with optic fibre switching circuit board
Fine RX sockets and optical fiber TX sockets, optical fiber RX sockets connect fiber connector with optical fiber TX sockets, passed through on aluminium side's integrated package
Sunk screw is installed with photocell, and the photocell connects laser transmission fiber joint, fiber connector and laser transmission
Fibre-optical splice is all connected to pre-buried cable, and in aluminium side, three adjacent faces of integrated package are provided with X to parallel plate electrode, Y-direction parallel plate electrode
With Z-direction parallel plate electrode, coil block is installed on aluminium side integrated package the other three face, coil block is installed by nylon screw
On aluminium side's integrated package, X is attached to parallel plate electrode, Y-direction parallel plate electrode and Z-direction parallel plate electrode junction with insulating tape,
Preceding barricade is installed between the Z-direction parallel plate electrode and aluminium side's integrated package, the coil block corresponding with Z-direction parallel plate electrode with
Rear barricade is installed between aluminium side's integrated package, space is left 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.
The sensor circuit board is connected respectively to optic fibre switching circuit board, photocell, X to parallel plate electrode, Y by wire
To parallel plate electrode, Z-direction parallel plate electrode and coil block.
Offered on aluminium side's integrated package for installing photronic photocell mounting hole, for installing coil block
Coil block mounting hole, it is connected with the socket that sensor circuit board connecting wire passes through for optical fiber RX sockets and optical fiber TX sockets
Wire guide, the wire via passed through for wire, the pole plate mounting hole for installing parallel plate electrode and for installing barricade
Barricade mounting hole.
The convenient photronic photocell mounting groove of installation is additionally provided with aluminium side's integrated package, photocell passes through laser
The laser that defeated fibre-optical splice receives pre-buried cable transmission produces electric energy as sensor circuit board power supply.
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 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
The corresponding screw in hole is connect, nylon screw is screwed into connecting hole so that sensor block and bottom connect into one through screw
Body, is additionally provided with the mounting groove for installing nylon support column on bottom and the support tube for being connected with upper support tube connects
Joint.
The X is to parallel plate electrode, Y-direction parallel plate electrode and Z-direction parallel plate electrode away from the welded corner joint at intersection vertex in aluminium side
On integrated package.
Compared with prior art, the beneficial effects of the invention are as follows：
Power frequency electromagnet field sensor laser forms optical-electrical converter with silicon mating plate, with fiber optic conduction, reaches measurement and passes
The purpose of sensor clean supply.Overcome metal object to bring interference to sensor measurement signal, avoid inductive spacing electromagnetic wave
Interference, ensure the accuracy of measurement data；The present invention's integrates each parts using integrated package, compact-sized, optimizes line
The wiring on road, the interference that wires cross is brought is avoided, improve stability and the degree of accuracy of sensor measurement；Sensor device
Structure design and parts selection, overcome the inductive spacing Electromagnetic Interference caused by material；Integrated three are mutually perpendicular to
Search coil form three-dimensional power frequency magnetic field sensor, three orthogonal parallel plate electrodes form three-dimensional power frequency electric field sensors
In one simultaneously so that sensor any direction is placed, and survey electromagnetic field intensity total amount is constant, and electric field, magnetic field three-dimensional measure；Dress
Put and carried out Industrial Moulding Design, good appearance.
Brief description of the drawings
Fig. 1 is power frequency electromagnetic field sensor probe configuration schematic diagram of the present invention；
Fig. 2 is inventive sensor component installation structure schematic diagram；
Fig. 3 is inventive sensor component front cross-sectional structural representation；
Fig. 4 is inventive sensor component side cross section structure diagram；
Fig. 5 is aluminium side's integrated block structure schematic diagram one of the present invention；
Fig. 6 is aluminium side's integrated block structure schematic diagram two of the present invention；
Fig. 7 is coil block structural representation of the present invention；
Fig. 8 is inventive sensor capping structure schematic diagram；
Fig. 9 is bottom cover structure schematic of the present invention；
Figure 10 is parallel plate electrode pad structural schematic block diagram of the present invention.
In figure：1- sensor clusters, 2- sensor blocks, 3- bottoms, the upper support tubes of 4-, connecting seat among 5-, prop 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
Post, 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 joints, 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- length 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- wire vias, 134- pole plate mounting holes, 135- screens
Shield plate mounting hole, 136- photocell mounting grooves, 200- connecting holes, 300- screws, 301- mounting grooves, 302- support pipe connectors,
250- line wheels, 251- coils, 252- winding wire crossed beam trunkings.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1 and Fig. 2, a kind of integrated power frequency electromagnet field sensor, including sensor cluster 1 are referred to, on sensor cluster
Side sets sensor block 2, and the lower section installation bottom 3 of sensor cluster 1, sensor block 2 and bottom 3 are engaged sensor
Component 1 is covered completely, and the sensor cluster 1 is supported in sensor block 2 by nylon support column 11, the sender unit cap
Cap 2 and bottom 3 are linked together by nylon screw 10, the support tube 4 in the connection of the lower section of bottom 3, the lower end of upper support tube 4
The upper end of lower support tube 6 is connected by middle connecting seat 5, the lower end of lower support tube 6 is connected to bottom support base 7, bottom support
Seat 7 is securedly mounted on prefabricated stylobate 8, pre-buried cable 9 is provided with the prefabricated stylobate 8, pre-buried one end of cable 9 passes through upper branch
Stay tube 4 and lower support tube 6 are connected to sensor cluster 1, and the other end is connected to field intensity meter by optical fiber.
Fig. 3 and Fig. 4 are referred to, the top of the nylon support column 11 is connected to by nylon stud 12 is used as support frame
Aluminium side's integrated package 13, optic fibre switching circuit board 15, optic fibre switching circuit are installed with by screw 14 on aluminium side's integrated package 13
Optical fiber RX sockets 16 and optical fiber TX sockets 17 are provided with plate 15, optical fiber RX sockets 16 and optical fiber TX sockets 17 connect optical fiber connection
First 18, photocell 20 is installed with by sunk screw 19 on aluminium side's integrated package 13, the photocell 20 connects laser
Defeated fibre-optical splice 21, fiber connector 18 and laser transmission fiber joint 21 are all connected to pre-buried cable 9, the integrated package 13 in aluminium side
Three adjacent faces are provided with X to parallel plate electrode 23, Y-direction parallel plate electrode 22 and Z-direction parallel plate electrode 24, and in aluminium side, integrated package 13 is in addition
Coil block 25 is installed, coil block 25 is arranged on aluminium side's integrated package 13 by nylon screw 10, and X is to parallel on three faces
Pole plate 23, Y-direction parallel plate electrode 22 and the junction insulating tape 26 of Z-direction parallel plate electrode 24 are attached, the Z-direction parallel plate electrode
Barricade 28 before being provided between 24 and aluminium side's integrated package 13, the coil block 25 corresponding with Z-direction parallel plate electrode 24 and aluminium side
Rear barricade 29 is installed between integrated package 13, leaves space between rear barricade 29 and aluminium side's integrated package to place sensing
Device 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.
The sensor circuit board 33 is connected respectively to optic fibre switching circuit board 15, photocell 20, X to parallel by wire
Pole plate 23, Y-direction parallel plate electrode 22, Z-direction parallel plate electrode 24 and coil block 25.
Fig. 5 and Fig. 6 are referred to, the photocell mounting hole for installing photocell 20 is offered on aluminium side's integrated package 13
130th, for installing the coil block mounting hole 131 of coil block 25, for optical fiber RX sockets 16 and optical fiber TX sockets 17 with passing
Socket connecting wire hole 132 that the connecting wire of sensor circuit board 33 passes through, the wire via 133 passed through for wire, for pacifying
Fill the pole plate mounting hole 134 of parallel plate electrode and the barricade mounting hole 135 for installing barricade.
The photocell mounting groove 136 of convenient installation photocell 20, photocell 20 are additionally provided with aluminium side's integrated package 13
The laser generation electric energy that pre-buried cable transmission is received by laser transmission fiber joint 21 is that sensor circuit board 33 is powered.
Fig. 7 to Fig. 9 is referred to, the coil block 25 includes line wheel 250, coil is closely wound with line wheel 250
251, it is further opened with winding wire crossed beam trunking 252 in the outer of line wheel 250；The lower end of the sensor block 2 was set around one week
Connecting hole 200 is equipped with, in the screw 300 corresponding with connecting hole 200 that offer for one week of bottom 3, nylon screw 10 passes through spiral shell
Hole 300 is screwed into connecting hole 200 so that sensor block 2 and bottom 3 link into an integrated entity, and is additionally provided with and is used on bottom 3
The mounting groove 301 of nylon support column 11 and the support pipe connector 302 for being connected with upper support tube 4 are installed.
Referring to Fig. 10, the X to parallel plate electrode 23, Y-direction parallel plate electrode 22 and Z-direction parallel plate electrode 24 away from intersection vertex
The welded corner joint at place is on aluminium side's integrated package 13.
Aluminium side's integrated package 13 is used for each parts of integrated sensor in one, makes sensor construction compact, transfer wire
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, installed in integrated package
Correspondence position, shielding chamber is formed, prevents the interference of spatial electromagnetic ripple.Sensor circuit board component is used for power frequency electric field, magnetic field
The collection of signal, is handled through single-chip data, output digit signals.There are 3 pieces of parallel plate electrodes to be arranged on the 3 of hexahedral integrated package
On individual orthogonal face, for sensing power-frequency electric field strength signal (EX/EY/EZ).
Material：Epoxy is two-sided to cover silverskin plate machining, chemical attack shaping.
The long 65mm-75mm of pole plate, wide 65mm-75mm, the spacing of two pole plates is 0.1mm-0.3mm,
3 angle points of inner surface are welded together with soldering when composition 3 is mutually perpendicular to face, 3 inner surfaces is formed current potential
Equipotential volume, i.e. common port, while play firm effect.
There are 3 coil blocks to be arranged on hexahedron 3 orthogonal faces relative with 3 parallel plate electrodes, for feeling
Answer power frequency magnetic field intensity signal (BX/BY/BZ).
Line wheel：Material is nylon, compressing by mould；
Coil：Linear diameter is 0.1~φ of φ 0.2mm copper core enamel-covered wire, and the number of turn is 220~280 circles.
Photocell produces 6.7~6.9V voltages, is 5V through mu balanced circuit voltage stabilizing, then pass through under constant laser intensity illumination
DC-DC is converted to 3.3V, supplies sensor circuit.
Nylon support column is used for the bottom of sensor cluster attachment means, be fiber-optical socket with bottom outlet at bottom have 40~
60mm height space, ensure that optical fiber has certain bending radius, prevent that optical fiber pack is dead.
Sensor block：For windproof, rain, Exposure to Sunlight, dirt, it is desirable to which wave is good, and material is polytetrafluoroethylene (PTFE).
Bottom：For connecting sensor block, sensor cluster is supported, connects trip bolt nylon screw, bottom connects
Support tube is connected, the two uses PVC glue stickings.
Upper support tube：For connecting bottom and middle connecting seat, junction PVC glue stickings, play a supportive role, Guan Zhongwei light
The passage 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
For the passage of optical fiber cable.
Bottom support bracket：For connecting lower support tube, junction PVC glue stickings, serve it is stable it is anti-translate into, bottom with advance
Stylobate processed is connected with bolt fastener.
Prefabricated stylobate:For the bottom support bracket of install sensor device, play a part 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 by three pairs of mutually orthogonal parallel plate electrodes, three pairs of mutually orthogonal coils,
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 group into working as spy by three orthogonal search coils
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, single-chip microcomputer calculating processing is sent into, result is sent into hand-held host SCM by optical fiber is handled, and send display to show X
Axle, Y-axis, component Bx, By, Bz and the B (three component square root sum squares) in three directions of Z axis.
Power frequency electric field measurement forms three-dimensional power frequency electric field sensor by three orthogonal parallel plate electrodes and formed.Work as spy
When survey parallel plate electrode enters electric field, the both end voltage of parallel plate electrode is detected by measuring, corresponding electric-field intensity 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,
Data signal is converted into through A/D, is sent into single-chip microcomputer calculating processing, result is sent into hand-held host SCM by optical fiber is handled,
Display is sent to show X-axis, Y-axis, component Ex, Ey, Ez and the E (three component square root sum squares) in three directions of Z axis.
Technical essential and with like product difference
1. power frequency measuring probe laser forms optical-electrical converter with silicon mating plate, with fiber optic conduction, reach measurement sensing
The purpose of device clean supply.Overcome metal object to bring interference to sensor measurement signal, avoid inductive spacing electromagnetic wave from doing
Disturb, ensure the accuracy of measurement data.
2. material Selective artery embolization of popping one's head in：Probe material requirements has some strength, can be in the nature mal-condition such as expose to the sun and rain
Under use；Also to meet the detection requirement to signal simultaneously, if material is excessive to detectable signal decay, 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 polytetrafluoroethylmaterial material
Electromagnetic wave signal is decayed 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 led by metal
Line is powered, and this is bound to by electromagnetic interference, and the processing method after interference is typically coefficient amendment, but strong in electromagnetic radiation
During degree change, in different radiation intensity sections, can not fixed coefficient amendment be used, there can be nonlinear problem, measurement result can be given
Bring very big error.And with photoelectricity conversion electric power, it just can effectively, truly measure the size of electromagnetic field radiation intensity.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
- A kind of 1. power frequency electromagnetic field sensor probe, it is characterised in that：Including sensor cluster, set and pass above sensor cluster Sensor block, the lower section installation bottom of sensor cluster, sensor block and bottom are engaged and cover sensor cluster completely, The sensor cluster is supported in sensor block by nylon support column, and the sensor block and bottom pass through nylon spiral shell Nail links together, and the top of the nylon support column passes through nylon Stud connection to the aluminium side's integrated package for being used as support frame, aluminium Optic fibre switching circuit board is mounted by means of screws with square integrated package, be provided with optic fibre switching circuit board optical fiber RX sockets and Optical fiber TX sockets, optical fiber RX sockets connect fiber connector with optical fiber TX sockets, consolidated on aluminium side's integrated package by sunk screw Dingan County is equipped with photocell, and the photocell connects laser transmission fiber joint, and fiber connector and laser transmission fiber joint are equal Pre-buried cable is connected to, three adjacent faces of integrated package are provided with X to parallel plate electrode, Y-direction parallel plate electrode pole parallel with Z-direction in aluminium side Plate, is provided with coil block on aluminium side integrated package the other three face, and coil block is integrated by nylon screw installed in aluminium side On block, X is attached to parallel plate electrode, Y-direction parallel plate electrode and Z-direction parallel plate electrode junction with insulating tape, and the Z-direction is parallel Preceding barricade is installed, the coil block corresponding with Z-direction parallel plate electrode and aluminium side's integrated package between pole plate and aluminium side's integrated package Between rear barricade is installed, space is left between rear barricade and aluminium side's integrated package to place sensor circuit board.
- 2. the power frequency electromagnetic field sensor probe according to right 1, it is characterised in that：The optic fibre switching circuit board and aluminium side Silica gel plate is lined between integrated package, nylon support tube is lined between aluminium side's integrated package and coil block.
- 3. the power frequency electromagnetic field sensor probe according to right 1, it is characterised in that：The sensor circuit board passes through short Knot hexagon prism and the long cooperation for being coupled hexagon prism are fixed on aluminium side's integrated package, the outside of rear barricade by sunk screw will after Barricade and short connection hexagon prism, the long hexagon prism that is coupled are locked.
- 4. the power frequency electromagnetic field sensor probe according to right 1, it is characterised in that：The sensor circuit board passes through wire Optic fibre switching circuit board, photocell, X are connected respectively to parallel plate electrode, Y-direction parallel plate electrode, Z-direction parallel plate electrode and coil group Part.
- 5. the power frequency electromagnetic field sensor probe according to right 1, it is characterised in that：Use is offered on aluminium side's integrated package In photronic photocell mounting hole, the coil block mounting hole for installing coil block are installed, for optical fiber RX sockets and Socket connecting wire hole that optical fiber TX sockets and sensor circuit board connecting wire pass through, the wire via passed through for wire, For installing the pole plate mounting hole of parallel plate electrode and barricade mounting hole for installing barricade.
- 6. the power frequency electromagnetic field sensor probe according to right 1, it is characterised in that：It is additionally provided with aluminium side's integrated package Convenient to install photronic photocell mounting groove, photocell receives the laser of pre-buried cable transmission by laser transmission fiber joint Electric energy is produced to power for sensor circuit board.
- 7. the power frequency electromagnetic field sensor probe according to right 1, it is characterised in that：The coil block includes line wheel, Coil is closely wound with line wheel, winding wire crossed beam trunking is further opened with the outer of line wheel；Under the sensor block End was provided with connecting hole around one week, and in the screw corresponding with connecting hole that offer for one week of bottom, nylon screw passes through spiral shell Hole, which is screwed into connecting hole, make it that sensor block and bottom link into an integrated entity, and is additionally provided with bottom and is used to install nylon branch The mounting groove of dagger and the support pipe connector for being connected with upper support tube.
- 8. the power frequency electromagnetic field sensor probe according to right 1, it is characterised in that：The X is parallel to parallel plate electrode, Y-direction Pole plate and Z-direction parallel plate electrode are away from the welded corner joint at intersection vertex on aluminium side's integrated package.
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| CN201711202211.3A CN107894537A (en) | 2017-11-27 | 2017-11-27 | A kind of power frequency electromagnetic field sensor probe |
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| CN107796992A (en) * | 2017-11-27 | 2018-03-13 | 武汉碧海云天科技股份有限公司 | A kind of rf electric field measuring probe and portable intelligent comprehensive electromagnetic field measurement instrument |
| CN109856462A (en) * | 2019-01-28 | 2019-06-07 | 深圳供电局有限公司 | Electromagnetic field measurements probe, electromagnetic field measuring system and control method |
| CN112180182A (en) * | 2019-07-03 | 2021-01-05 | 国网福建省电力有限公司建设分公司 | Power frequency electric field measurement system based on Wi-Fi communication |
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