CN207408494U - A kind of power frequency electromagnetic field sensor probe - Google Patents

Abstract

The utility model provides a kind of power frequency electromagnetic field sensor probe, sensor block and bottom cover are engaged covers sensor module completely, optic fibre switching circuit board is mounted by means of screws on 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 equipped 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 coil block corresponding with Z-direction parallel plate electrode and aluminium side's integrated package, space is left between rear barricade and aluminium side's integrated package to place sensor circuit board.The utility model laser forms photoelectric converter with silicon mating plate, with fiber optic conduction, achievees the purpose that measurement sensor clean supply, avoids inductive spacing Electromagnetic Interference, ensures the accuracy of measurement data.

Description

A kind of power frequency electromagnetic field sensor probe

Technical field

The utility model is related to technical field of electric field measurement, are 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 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 strengthening of people's awareness of environmental protection, Society and the public understand more and more for living environment, radiation hazradial bundle, 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 requirement monitoring data in monitoring process are 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 in addition to 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, charge, power if connecting charger, 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 ripple.How sensor powerup issue, electromagnetism are solved Ripple 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 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.

Utility model content

The purpose of this utility model is to provide a kind of power frequency electromagnetic field sensor probe, solve sensor power supply and The problems such as disturbing problem accordingly, overcoming the reduction of sensitivity, ensure that on-line monitoring system electromagnetic field monitoring data are accurate Errorless, system long-term stable operation free of discontinuities.

The technical solution of the utility model：A kind of power frequency electromagnetic field sensor probe, including sensor module, sensor group Sensor block is set above part, and the lower section installation bottom cover of sensor module, sensor block and bottom cover are engaged sensor Component covers completely, and the sensor module is supported on by nylon support column in sensor block, the sensor block and Bottom cover is linked together by nylon screw, and the top of the nylon support column is by nylon Stud connection to being used as supporting rack Aluminium side's integrated package is mounted by means of screws with optic fibre switching circuit board on aluminium side's integrated package, is set on optic fibre switching circuit board There are optical fiber RX sockets and optical fiber TX sockets, optical fiber RX sockets connect fiber connector with optical fiber TX sockets, on aluminium side's integrated package Photocell is installed with by sunk screw, the photocell connects laser transmission fiber connector, fiber connector and laser Transmission Fibers connector is all connected to pre-buried cable, and in aluminium side, it is parallel to parallel plate electrode, Y-direction to be equipped with X for three adjacent faces of integrated package Pole plate and Z-direction parallel plate electrode are equipped with coil block on aluminium side integrated package the other three face, and coil block passes through nylon screw On aluminium side's integrated package, X is connected to parallel plate electrode, Y-direction parallel plate electrode and Z-direction parallel plate electrode junction with insulating tape It connects, preceding barricade is installed between the Z-direction parallel plate electrode and aluminium side's integrated package, with the corresponding coil group of Z-direction parallel plate electrode Rear barricade between part and aluminium side's integrated package is installed, space is left between rear barricade and aluminium side's integrated package and is passed 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 conducting wire To parallel plate electrode, Z-direction parallel plate electrode and coil block.

Offer to install photronic photocell mounting hole on aluminium side's integrated package, for installing coil block Coil block mounting hole is connected 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.

It is additionally provided on aluminium side's integrated package and facilitates the photronic photocell mounting groove of installation, photocell passes through laser The laser that defeated fibre-optical splice receives pre-buried cable transmission is produced electricl 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 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 through screw hole so that sensor block and bottom cover connect into one Body is additionally provided with to install the mounting groove of nylon support column on bottom cover and the support tube for being connected with upper support tube connects Connector.

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 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；The utility model integrates each parts, compact-sized, optimization using integrated package The wiring of circuit, avoids the interference that wires cross is brought, and improves stability and the accuracy of sensor measurement；Sensor Apparatus structure designs and parts selection, overcomes the inductive spacing Electromagnetic Interference caused by material；Integrated three mutually Vertical search coil forms three-dimensional power frequency magnetic field sensor, three orthogonal three-dimensional power frequency electric fields of parallel plate electrodes composition pass Sensor is in one so that sensor any direction is placed, and survey electromagnetic field intensity total amount is constant, and electric field, magnetic field three-dimensional are surveyed simultaneously Amount；Device has carried out Industrial Moulding Design, good appearance.

Description of the drawings

Fig. 1 is the utility model power frequency electromagnetic field sensor probe configuration schematic diagram；

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 one；

Fig. 6 is the utility model aluminium side integrated block structure schematic diagram two；

Fig. 7 is the utility model coil block structure diagram；

Fig. 8 is the utility model sender unit cap cap structure schematic diagram；

Fig. 9 is the utility model bottom cover structure schematic；

Figure 10 is the utility model parallel plate electrode welding point 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, 136- photocell mounting grooves, 200- connecting holes, 300- screw holes, 301- mounting grooves, 302- support pipe connectors, 250- line wheels, 251- coils, 252- winding wire crossed beam trunkings.

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.

It please refers to Fig.1 and Fig. 2, a kind of integrated power frequency electromagnet field sensor, including sensor module 1, on sensor module Side sets sensor block 2, and the lower section installation bottom cover 3 of sensor module 1, sensor block 2 and bottom cover 3 are engaged sensor Component 1 covers completely, and the sensor module 1 is supported on by nylon support column 11 in sensor block 2, the sender unit cap Cap 2 and bottom cover 3 are linked together by nylon screw 10, the support tube 4 in the connection of the lower section of bottom cover 3, the lower end of upper support tube 4 The upper end of lower support tube 6 is connected by intermediate 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, and pre-buried cable 9 is provided in the prefabricated stylobate 8, and pre-buried 9 one end of cable passes through upper branch Stay tube 4 and lower support tube 6 are connected to sensor module 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 supporting rack Aluminium side's integrated package 13 is installed with optic fibre switching circuit board 15, optic fibre switching circuit on aluminium side's integrated package 13 by screw 14 Optical fiber RX sockets 16 and optical fiber TX sockets 17 are provided on 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 connector 21 are all connected to pre-buried cable 9, the integrated package 13 in aluminium side Three adjacent faces are equipped 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 mounted on by nylon screw 10 on aluminium side's integrated package 13, and X is to parallel on three faces Pole plate 23, Y-direction parallel plate electrode 22 and 24 junction insulating tape 26 of Z-direction parallel plate electrode are attached, the Z-direction parallel plate electrode Barricade 28 before being equipped between 24 and aluminium side's integrated package 13, with 24 corresponding coil block 25 of Z-direction parallel plate electrode and aluminium side Rear barricade 29 between integrated package 13 is installed, 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 conducting 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, offers that the photocell mounting hole of photocell 20 is installed on aluminium side's integrated package 13 130th, for coil block 25 is installed coil block mounting hole 131, for optical fiber RX sockets 16 and optical fiber TX sockets 17 with passing Socket connecting wire hole 132 that 33 connecting wire of sensor circuit board passes through, the conducting wire via 133 passed through for conducting 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 for facilitating installation photocell 20, photocell 20 are additionally provided on aluminium side's integrated package 13 The laser that pre-buried cable transmission is received by laser transmission fiber connector 21 is produced electricl energy and powered for sensor circuit board 33.

Fig. 7 to Fig. 9 is referred to, the coil block 25 includes line wheel 250, coil is closely wound in 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 offering for one week for bottom cover 3 and 200 corresponding screw hole 300 of connecting hole, nylon screw 10 passes through spiral shell Hole 300 is screwed into connecting hole 200 so that sensor block 2 and bottom cover 3 link into an integrated entity, and is additionally provided with and is used on bottom cover 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, 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 Correspondence position forms shielding chamber, prevents the interference of spatial electromagnetic ripple.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 shaping.

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 port, 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 passes 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 that optical fiber pack is 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 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 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 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 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 calculating 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, 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 forms.Work as spy When survey parallel plate electrode enters electric field, by measuring the both end voltage of detection parallel plate electrode, 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 calculating processing, result is sent to 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 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 be subject to 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 in the case where not departing from the principle of the utility model and spirit can these embodiments be carried out with a variety of variations, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (8)

1. a kind of power frequency electromagnetic field sensor probe, 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 are engaged and cover sensor module completely, The sensor module is supported on by nylon support column in sensor block, and the sensor block and bottom cover 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 supporting rack, aluminium Optic fibre switching circuit board is mounted by means of screws on square integrated package, be provided on 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, are consolidated on aluminium side's integrated package by sunk screw Dingan County is equipped with photocell, and the photocell connects laser transmission fiber connector, and fiber connector and laser transmission fiber connector are equal Pre-buried cable is connected to, three adjacent faces of integrated package are equipped with X to parallel plate electrode, Y-direction parallel plate electrode pole parallel with Z-direction in aluminium side Plate, is equipped with coil block on aluminium side integrated package the other three face, and coil block is integrated by nylon screw mounted on 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, with the corresponding coil block of 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. power frequency electromagnetic field sensor probe according to claim 1, it is characterised in that：The optic fibre switching circuit board with Silica gel plate is lined between aluminium side's integrated package, nylon support tube is lined between aluminium side's integrated package and coil block.

3. power frequency electromagnetic field sensor probe according to claim 1, it is characterised in that：The sensor circuit board passes through The short cooperation for being coupled hexagon prism and long connection hexagon prism is fixed on aluminium side's integrated package, passes through sunk screw on the outside of rear barricade Rear barricade and short connection hexagon prism, the long hexagon prism that is coupled are locked.

4. power frequency electromagnetic field sensor probe according to claim 1, it is characterised in that：The sensor circuit board passes through Conducting wire is connected respectively to optic fibre switching circuit board, photocell, X to parallel plate electrode, Y-direction parallel plate electrode, Z-direction parallel plate electrode and line Coil assembly.

5. power frequency electromagnetic field sensor probe according to claim 1, it is characterised in that：It is opened up on aluminium side's integrated package Be useful for installing photronic photocell mounting hole, for coil block is installed coil block mounting hole, insert for optical fiber RX Socket connecting wire hole that seat and optical fiber TX sockets and sensor circuit board connecting wire pass through, the conducting wire mistake passed through for conducting wire Hole, the barricade mounting hole for the pole plate mounting hole of installing parallel plate electrode and for installing barricade.

6. power frequency electromagnetic field sensor probe according to claim 1, it is characterised in that：It is also set on aluminium side's integrated package It is equipped with and facilitates the photronic photocell mounting groove of installation, photocell receives pre-buried cable transmission by laser transmission fiber connector Laser produces electricl energy powers for sensor circuit board.

7. power frequency electromagnetic field sensor probe according to claim 1, 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 sensor block Lower end one week is provided with connecting hole, worn in offering for one week for bottom cover with the corresponding screw hole of connecting hole, nylon screw It crosses screw hole to be screwed into connecting hole so that sensor block and bottom cover link into an integrated entity, is additionally provided with that Buddhist nun is installed on bottom cover The mounting groove of imperial support column and the support pipe connector for being connected with upper support tube.

8. power frequency electromagnetic field sensor probe according to claim 1, it is characterised in that：The X is to parallel plate electrode, Y-direction Parallel plate electrode and Z-direction parallel plate electrode are away from the welded corner joint at intersection vertex on aluminium side's integrated package.