CN104361974B - Movable demagnetizing device - Google Patents
Movable demagnetizing device Download PDFInfo
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- CN104361974B CN104361974B CN201410624366.6A CN201410624366A CN104361974B CN 104361974 B CN104361974 B CN 104361974B CN 201410624366 A CN201410624366 A CN 201410624366A CN 104361974 B CN104361974 B CN 104361974B
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Abstract
The invention relates to the field of demagnetizing, and particularly provides a movable demagnetizing device, which comprises a demagnetizing power station system, a demagnetizing power source system, a special demagnetizing cable system, a magnetic field measurement system, a demagnetizing control system and a demagnetizing auxiliary system, and the demagnetizing power station system, the demagnetizing power source system, the special demagnetizing cable system, the magnetic field measurement system, the demagnetizing control system and the demagnetizing auxiliary system are integrated in three standard containers. The movable demagnetizing device can be moved when the movable demagnetizing device is carried by a container transport vehicle or a ship, and can be used for performing magnetic field measurement and remained magnetism treatment for large ferromagnetic equipment, such as ships. The movable demagnetizing device has the advantages that the manufacturing cost is relatively low, the batch production is easy, the demagnetizing speed is higher, the carrying method is flexible, the mobility and hidden property are good, the movable demagnetizing device can be applied to military and civil purposes, and the higher economic value is realized.
Description
Technical field
The invention belongs to demagnetization technical field and in particular to a kind of movable type degaussing gear.
Background technology
Fixing degaussing gear has the advantages that to carry out demagnetization, high working efficiency to large ship, but floor space is big,
Demagnetization can only be carried out by being unmagnetized object entrance degaussing stations, lack mobility and disguise；Degaussing ship is mainly to medium and small-scale vessel
Carry out demagnetization, there is stronger mobility, but the needs of the slow demagnetization it is difficult to satisfaction is met an urgent need of its demagnetization speed.And fix demagnetization
Device and degaussing ship have that a weak point cost is high, disguised poor, urgent mobile support ability is weak.
Content of the invention
For above-mentioned technical problem, the invention provides a kind of movable type degaussing gear, its low cost, demagnetization efficiency high,
Mobility is good, disguised strong.
The invention provides a kind of movable type degaussing gear, including demagnetization power station container, demagnetization power supply container with disappear
Magnetic auxiliary container, is provided with demagnetization electric power station system and auxiliary power generation unit, demagnetization power supply container in the container of demagnetization power station
Inside it is provided with demagnetization power-supply system and demagnetization control system, be provided with magnetic field measurement system in demagnetization auxiliary container and demagnetization is auxiliary
Auxiliary system；Demagnetization electric power station system is by exchanging jet dynamic control and corresponding control controller switching equipment and diesel generating set
Become；Demagnetization electric power station system provides the alternating current of three-phase three-wire system to demagnetization power-supply system, and auxiliary power generation unit is to demagnetization power supply system
System and demagnetization accessory system provide three-phase four-wire system alternating current；Demagnetization accessory system includes demagnetization leader cable and demagnetization compensates electricity
Cable；Demagnetization power-supply system includes demagnetization main power source, demagnetization auxiliary power and AC power, and demagnetization main power source is to can be with demagnetization target shape
Become the degaussing cable output pulse direct current of path, demagnetization auxiliary power, to demagnetization compensating cable output three road steady-state DC electricity, is handed over
Stream power supply exports a road alternating current to demagnetization control system and demagnetization accessory system respectively；Magnetic field measurement system detects demagnetization target
Surrounding magnetic field state, demagnetization control system offsets magnetoelectricity origin system, demagnetization electric power station system and magnetic field measurement system and carries out in real time
Monitoring.
Described three-phase alternating current civil power accesses demagnetization electric power station system, auxiliary power generation unit through three-phase alternating current civil power input box
It is connected with on-site control platform, jet dynamic control is connected with case side control panel and case side controls terminal box, and case side controls terminal box
Terminal box is controlled to be connected with bridge control console through driver's cabin, auxiliary power generation unit connects to case top-cross stream through output power distribution unit
Output connection case, jet dynamic control connects to case top-cross stream output connection case through output control module, and the output of case top-cross stream connects
Line case exports a road phase three-wire three alternating current, two-way three-phase four-wire system alternating current and a road single-phase alternating current.
Described demagnetization power-supply system includes power distribution cabinet, from electric power station system and civil power alternating current all via case top-cross
Stream input inlet wire case input power power distribution cabinet, power distribution cabinet flows out line end mouth through case top-cross and exports the alternating current of three-phase to demagnetization
Accessory system, power distribution cabinet directly provides list for the illuminator in control system and demagnetization power supply container, ventilating system
The AC power of phase, power distribution cabinet is respectively demagnetization main power source and exchanges input, demagnetization main power source warp with the offer of demagnetization auxiliary power
Case side main power source wire box output two-way pulse direct current, demagnetization auxiliary power exports three road direct currents through case side auxiliary power wire box
Electricity, demagnetization main power source and demagnetization auxiliary power are electrically connected with major-minor electric control module respectively, and major-minor electric control module controls through case side
Line junction box is electrically connected with driver's cabin leading-in box, and major-minor electric control module is connected with case side operation control panel, driver's cabin leading-in box
It is connected with bridge control console.
Described demagnetization main power source includes direct-furnish module, fills for module, straight conversion module, capacitance module, wherein major-minor electricity
Control module, it inputs the three-phase alternating current for the output of demagnetization electric power station system, passes through in demagnetization to control direct-furnish module, fills and supply mould
Block and the input time series of straight conversion module, provide the positive and negative intermittent pulse current replacing, progressively decaying to degaussing operation cable；
Direct-furnish module, it inputs the three-phase alternating current for the output of demagnetization electric power station system, and when pulse exports, the power that power station is provided is straight
Connect and be transferred to load, the instruction according to control module exports pulse current；Fill and supply module, during the pulse spacing, input as disappearing
The three-phase alternating current of magnetic electric power station system output, by the energy storage absorbing from demagnetization electric power station system in capacitance module, in pulse
During output, capacitance module provides energy for filling for module, and the instruction according to control module exports pulse current；Directly become die change
Block, inputs the direct current providing for capacitance module, and when pulse exports, capacitance module provides energy, root for straight conversion module
Instruction according to control module exports pulse current；Capacitance module, was charged to it for module by filling, in pulse during the pulse spacing
Energy is provided for filling for module and straight conversion module during output.
Described demagnetization auxiliary power includes 2 secondary electricity modules mfd-200/80,1 secondary electricity module mfd-400/120 composition, on
The input stating three secondary electric modules is the three-phase alternating current of demagnetization electric power station system output, and above-mentioned 3 pair electricity modules are each to export one
Road direct current.
Described magnetic field measurement system is made up of 2 sets of portable magnetometers, and often set magnetometer is configured with 10 magnetic probes.
Described demagnetization control system include mutually adopt serial communication connect demagnetization command centre, power supply center and
Control of Power Plant center, Control of Power Plant is provided centrally with monitoring power station unit, power supply be provided centrally with main power source monitoring unit,
Auxiliary power monitoring unit, demagnetization command centre is provided with magnetic field acquisition process unit, monitoring power station unit and jet dynamic control,
Auxiliary power generation unit and the electrical connection of Generation Control module, main power source monitoring unit and demagnetization main power source, major-minor current control module
Electrical connection, auxiliary power monitoring unit and demagnetization auxiliary power and the electrical connection of major-minor current control module, magnetic field acquisition process unit with
Magnetometer electrically connects, and magnetic field acquisition processing module includes magnetic-field measurement module, magnetic field analysis module and winding adjusting module.
Described demagnetization accessory system includes degaussing cable, is filled by the cable connection that the first terminals and the second terminals form
Put, cable flotation gear, main degaussing cable be flat degaussing cable, the first terminals of cable connecting arrangement and the second terminals
It is respectively arranged at demagnetization target two ends, demagnetization positive source passes through the first terminals of flat degaussing cable and cable connecting arrangement
Connect, demagnetization power cathode is connected with the second terminals of cable connecting arrangement by flat degaussing cable, and demagnetization target is passed through
Cable connecting arrangement forms effective loop with flat degaussing cable and demagnetization power supply, and flat degaussing cable passes through cable flotation gear
Float on the water surface, demagnetization compensating cable is around the periphery of demagnetization target.
Described demagnetization command centre, power supply center and Control of Power Plant center are computer.During use, demagnetization is commanded
It is centrally disposed in demagnetization target, power supply is centrally disposed in demagnetization power supply container, and Control of Power Plant is centrally disposed in and disappears
In the container of magnetoelectricity station, during non-working condition, above computer all can be accommodated in demagnetization power supply container.Described demagnetization auxiliary
System also includes fuel oil tank, pneumatic boat.
The present invention includes demagnetization power station container, demagnetization power supply container and demagnetization auxiliary container, demagnetization power station packaging
It is provided with demagnetization electric power station system and auxiliary power generation unit in case, in demagnetization power supply container, be provided with demagnetization power-supply system and demagnetization
Control system, is provided with magnetic field measurement system and demagnetization accessory system in demagnetization auxiliary container.Each composition portion of the present invention
Divide integrated configuration in 3 TEU (Twenty-foot Equivalent Unit)s, can be delivered by container carrier it is also possible to be delivered by ship, motor-driven
Property is strong.Demagnetization electric power station system is demagnetization power-supply system, demagnetization control system, demagnetization accessory system are powered, and it is according to standard packaging
Case designs, and built-in fuel tank and cable hank can meet container-trailer movement requirement, has that generated output is big, automaticity
The features such as height, generating quality better, convenient transport.
Demagnetization power-supply system and demagnetization control system are installed in demagnetization power supply container.Demagnetization power-supply system mainly includes disappearing
Magnetic main power source, demagnetization auxiliary power, AC power.Wherein demagnetization main power source adopts super capacitor energy-storage to combine generator hybrid power supply
Mode provide pulse direct current operating current to demagnetization target formed path degaussing cable, thus adopt through type demagnetization side
Method carries out demagnetization for demagnetization target；Demagnetization auxiliary power output 3 road steady-state DC electricity is mended to the demagnetization being surrounded on around demagnetization target
Repay cable；AC power, in addition to control, illuminate, divulge information etc. power supply for the system, also can provide 1 tunnel exchange to demagnetization accessory system
Electricity.Through type demagnetizing method is directly energized on ferromagnetic object, the electricity being produced inside ferromagnetic object steel using erasing current
Magnetic field energy is demagnetized to ferromagnetic object, has that demagnetization speed is fast, operating personnel's labour intensity is low, energy ezpenditure is little, ring
Border requires low advantage, and the magnetic that can apply to internal unit, the workpiece of inconvenient coiling degaussion coil etc. is processed, and is particularly suitable for
In magnetic process is carried out to a large amount of ferromagnetic workpieces.Demagnetization main power source include main electric control module, direct-furnish module, fill for module,
Straight conversion module, capacitance module, for the main source of demagnetization electricity particular job standard it is achieved that above-mentioned each module is in control module
Control under can timesharing, co-ordination, in the case of power station configuration capacity is less, the demand of power output can be met, and
The even running in power station can be realized to greatest extent.Capacitance module employs energy density and all very high module of power density
Change ultracapacitor as energy storage device, so that having based on the energy storage device of super capacitor, charge/discharge rates are fast, efficiency
Height, environmentally safe, have extended cycle life, using temperature range width, safe the features such as, meet demagnetization hybrid power supply
Use requirement.Demagnetization power-supply system has that low cost, capacity be big, small volume, lightweight, can move freely and carry out to appointed place
The advantage of power supply, using the teaching of the invention it is possible to provide the positive and negative intermittent pulse degaussing operation electric current replacing, progressively decaying that demagnetization needs.
Demagnetization control system is the control axis of whole degaussing stations, is responsible for the operation monitoring of movable type degaussing gear.Wherein,
The running status of Control of Power Plant center energy real-time detection generating set；Power supply center basis can be unmagnetized target size, magnetic
Situations such as proterties state and earth's magnetic field scope, offsets the parameters such as magnetic electric power outputting current amplitude, waveform and attenuation rate and is controlled, complete
Become to be unmagnetized the process of target remanent magnetization；The magnetic field acquisition process unit of demagnetization command centre can to before demagnetization, degaussing process
The magnetic field data being unmagnetized target after neutralization demagnetization is acquired, and calculates the magnetic-field component being unmagnetized target, calculates demagnetization power supply
Control parameter, generates database, shows that all procedure parameters are simultaneously drawn, when magnetic processes end-of-job, according to being unmagnetized target
Resultant magnetic fields situation, is given and is unmagnetized target degaussing winding adjustment aid decision.
Demagnetization accessory system includes flat degaussing cable, cable flotation gear, cable connecting arrangement.Flat degaussing cable by
Conductor, insulating barrier and sheath three part composition, the single line of wherein conductor is tin plating copper free wire and constitutes three-core conductor, parallel
It is listed in and constitute flat flexible cable core together；Insulating layer of conductor adopts the rubber with silicon rubber as base-material, is closely extruded in and leads
On body, and have passed through high voltage examination；Cable cover(ing) rubber adopts the cold-resistant sheath glue that neoprene rubber is base-material, closely extrudes
On core, surfacing, surface and the visible pore of section no eyesight.Flat cable has that lightweight, resistance is little, wear-resisting,
The advantages of heatproof, softness, it is highly convenient for this portable degaussing gear and uses.If to be unmagnetized target be ship waterborne, need
Flat degaussing cable is made to swim on the water surface with cable flotation gear.Cable flotation gear has that lightweight, water absorption rate is low, firm
Solid, ageing-resistant, flexible, durable advantage, be highly convenient for being used in combination with flat degaussing cable.Cable connecting arrangement is demagnetization work
Make the critical component that cable is connected with hull, be that degaussing operation electric current in cable and is unmagnetized the passage flow between target.Electricity
Cable attachment means be both easy to operating current and had been flow through, and were easy to site operation welding, being very suitable for this portable degaussing gear makes again
With.Demagnetization accessory system is rational in infrastructure, and technique is advanced, and degaussing cable can be made to float across the sea, can be continuously multiple disappearing
Magnetic target carries out demagnetization, carries out cable recovery after demagnetization terminates again, and it is convenient to reclaim, it is possible to increase demagnetization efficiency, greatlys save
Degaussing cable and manpower and materials, are very suitable for portable degaussing gear and use.
Brief description
Fig. 1 is schematic diagram of the present invention
Fig. 2 is wiring schematic diagram of the present invention
Fig. 3 is demagnetization electric power station system schematic diagram
Fig. 4 is demagnetization power-supply system schematic diagram
Fig. 5 is demagnetization power supply wiring schematic diagram
Fig. 6 is demagnetization main power source schematic diagram
Fig. 7 is demagnetization auxiliary power schematic diagram
Fig. 8 is degaussing cable connection figure
Fig. 9 is flat degaussing cable sectional view
Figure 10 is cable flotation gear schematic diagram
Figure 11 is cable connecting arrangement schematic diagram
Figure 12 is magnetic field measurement system schematic diagram
Figure 13 is demagnetization control system schematic diagram
Figure 14 uses flow chart for the present invention
Wherein, 1- degaussing cable, 11- wire, 12- insulating layer of conductor, 13- cable cover(ing), 2- cable flotation gear, 21-
Buoyancy aid, 22- annular groove, 24- couples becket bridle, 2,3- cable connecting arrangements, 31- bolt interface, 32- end liner steel plate, 4- demagnetization
Power supply container, 5- demagnetization target, 6- demagnetization compensating cable.
Specific embodiment
With reference to Figure of description and specific embodiment, the utility model is described in further detail:
As illustrated, the invention provides a kind of movable type degaussing gear, including demagnetization power station container, demagnetization power supply collection
Vanning and demagnetization auxiliary container, are provided with demagnetization electric power station system and auxiliary power generation unit, demagnetization electricity in the container of demagnetization power station
It is provided with demagnetization power-supply system and demagnetization control system in the container of source, in demagnetization auxiliary container, be provided with magnetic field measurement system
With demagnetization accessory system；Demagnetization electric power station system is by exchanging jet dynamic control and corresponding control controller switching equipment and diesel to send out
Motor forms；Demagnetization electric power station system provides the alternating current of three-phase three-wire system to demagnetization power-supply system, and auxiliary power generation unit is to demagnetization
Power-supply system and demagnetization accessory system provide three-phase four-wire system alternating current；Demagnetization accessory system includes demagnetization leader cable and demagnetization is mended
Repay cable；Demagnetization power-supply system includes demagnetization main power source, demagnetization auxiliary power and AC power, and demagnetization main power source is to can be with demagnetization
Target forms the degaussing cable 1 output pulse direct current of path, and demagnetization auxiliary power is to the demagnetization that can be surrounded on demagnetization target surrounding
Compensating cable 6 output three road steady-state DC electricity, AC power exports a road to demagnetization control system and demagnetization accessory system respectively
Alternating current；Magnetic field measurement system detects the surrounding magnetic field state of demagnetization target, and demagnetization control system offsets magnetoelectricity origin system, demagnetization
Electric power station system and magnetic field measurement system carry out monitor in real time.Each system of the present invention becomes to be configured to 3 TEU (Twenty-foot Equivalent Unit)s, permissible
Delivered by container carrier it is also possible to be delivered by ship.As illustrated, the case top-cross of demagnetization power station container flows out line
Box passes through cable and conveys alternating current to the ac input end of demagnetization power supply container.Demagnetization power station container and demagnetization power supply packaging
The case top-cross outflow line box of case all flows to line box with the case top-cross of demagnetization auxiliary container and is connected, and realizes demagnetization auxiliary container
Power supply.The main power source output end of demagnetization power supply container is connected to demagnetization target and is made by degaussing cable main power source, demagnetization mesh
Mark and degaussing cable form loop；Auxiliary power output end exports exchange to the demagnetization compensating cable being surrounded on demagnetization target surrounding
Electricity, for compensating induced field.Magnetic field measurement system acts on demagnetization target, during non-working condition, is stored in demagnetization supplementary set
In vanning.Magnetic field measurement system is electrically connected with demagnetization command centre, measurement result is sent and is analyzed to demagnetization command centre
Calculate.Demagnetization command centre passes through demagnetization power station container and junction box's connection realization of demagnetization power supply container is internal each with it
The serial communication of system connects.
In technique scheme, three-phase alternating current civil power accesses demagnetization electric power station system through three-phase alternating current civil power input box,
Auxiliary power generation unit is connected with on-site control platform, and jet dynamic control is connected with case side control panel and case side controls terminal box, case
Side controls terminal box to control terminal box to be connected with bridge control console through driver's cabin, and auxiliary power generation unit is through output power distribution unit even
It is connected to case top-cross stream output connection case, jet dynamic control connects to case top-cross stream output connection case, case through output control module
Top-cross stream output connection case exports a road three-phase three-wire system alternating current, two-way three-phase four-wire system alternating current and a road single phase ac
Electricity.Demagnetization power station container designs according to TEU (Twenty-foot Equivalent Unit), built-in fuel tank and cable hank, casing be divided into engine space, fuel oil tank,
Exhaust cabin and cable tank four part, can meet container-trailer movement requirement, have that generated output is big, high degree of automation, send out
The features such as electric quality better, convenient transport.In order to ensure the starting operation under the state of emergency of power station and other Smaller load electricity consumption,
It is provided with diesel generator in cable tank.Cabin is located in the middle part of casing, wherein installs jet dynamic control, auxiliary generator
The power station core components such as group.Jet dynamic control adopts gas turbine output three-phase three wire alternating current, and auxiliary power generation unit adopts
Diesel generating set output three-phase and four-line alternating current and single-phase alternating current.By stacked elasticity between gas turbine and generator
Shaft coupling couples and is together arranged on little chassis, and little chassis is fixed on container base by shock absorber.Container base is also
Secure the parts such as fuel system, oil system, electrical system, control system.Container is provided with access path, configuration ventilation
And lighting apparatus.Setting fuel tank in unit box body, can meet the oil mass needed for unit full-load run 1 hour.In container body
Portion takes precautions against fire and arranges the safety guards such as temperature alarm, fire extinguisher.Demagnetization electric power station system is equipped with 50m charging electricity
Cable, using three-phase and quadrupole quick plug, socket type.The electric input of the input interface of demagnetization electric power station system is exchange 380v city
Electricity, input power is less than 20kw.In addition to charging, this interface also can utilize civil power to be ventilation blower in cabin in the case of power station is shut down
Power supply is it is ensured that cabin heat radiation under abnormal conditions.The output end of demagnetization electric power station system be equipped with three-phase three-wire system output cable 50m and
Respective terminal, meets power supply output and requires.The output end of auxiliary engine unit is equipped with the output of three-phase four-wire system two-way, and joins
There are cable 70m, 50m each 1 and respective terminal.The output end of demagnetization electric power station system is provided with the electric power output of single-phase 5kw
Socket, as live temporary electricity.Demagnetization electric power station system adopts 422 serial communication interfaces to demagnetization control system transmission power station fortune
Row status information simultaneously receives the instruction that demagnetization control system sends.Fuel tank head side is provided with daily oil filler, is standard
Automobile grooved lid oil filler, can be refueled by opening the side door of fuel oil tank, and tank bottoms arrange sewage draining exit.Oil system can
Refueled by the oil filler of lubricating oil box top, oil tank bottom is provided with sewage draining exit and Fuel Bleed Valve, can be by opening collection
Vanning hatch door is operated.The fuel tank in diesel generation power station is located on the chassis of power station, opens hatch door and can refuel.
In technique scheme, demagnetization power-supply system includes power distribution cabinet, from the alternating current of electric power station system and civil power
All input inlet wire case input power power distribution cabinet via case top-cross stream, power distribution cabinet flows out line end mouth through case top-cross and exports three-phase
Alternating current is directly demagnetization control system and demagnetization power supply container to demagnetization accessory system, power distribution cabinet as AC power
Interior illuminator, ventilating system are powered, and power distribution cabinet is respectively demagnetization main power source and exchanges input with the offer of demagnetization auxiliary power,
Demagnetization main power source exports two-way pulse direct current through case side main power source wire box, and demagnetization auxiliary power is defeated through case side auxiliary power wire box
Go out three road direct currents, demagnetization main power source and demagnetization auxiliary power are electrically connected with major-minor electric control module respectively, major-minor electric control module
Through case side, control line junction box is electrically connected with driver's cabin leading-in box, and major-minor electric control module is connected with case side operation control panel, drives
Sail room leading-in box to be connected with bridge control console.Demagnetization power supply container manufactures according to 1aa type TEU (Twenty-foot Equivalent Unit), meets container
Movement requirement, can rain-proof, dust-proof, Defend salt fog, anti-corrosion.Setting access path in demagnetization power supply container body, configuration ventilation
And lighting apparatus, inside takes precautions against fire and arranges the safety guards such as temperature alarm, fire extinguisher.Demagnetization power-supply system
Major-minor electric current output all through case side major-minor wire box, demagnetization target is delivered to by cable.The control signal of demagnetization power-supply system is adopted
Transmitted with demagnetization control system with network or serial line interface.Demagnetization power supply container is equipped with the input that can receive alternating current
Interface, can connect 12 185mm2Power cable；Demagnetization power supply container is equipped with 1 exchange that can receive three-phase four-wire system
The input interface of electricity, can connect 4 10mm2Power cable；2 groups of main electricity output ports of demagnetization power supply container outfit, every group
Port can export pulse direct current, can connect 6 to 240mm2Power cable；It is defeated that demagnetization power supply container is equipped with 3 groups of secondary electricity
Exit port, each port can export steady-state DC, can connect 1 to 70mm2Power cable；Demagnetization power supply container is equipped with 1
Individual ac output end mouth, can export three-phase and four-line alternating current, connect 4 10mm2Power cable；Demagnetization power supply container sets
It is equipped with 422 COM1s connecting electric power station system, receive the status information that electric power station system sends；Demagnetization power supply container is provided with
Connect 422 COM1s of demagnetization control system, receive the command information that sends of control system, to control system transmission power station,
Power supply running state information.
In technique scheme, demagnetization main power source includes direct-furnish module, fills for module, straight conversion module, capacitance module,
Wherein major-minor electric control module, it inputs the three-phase alternating current for the output of demagnetization electric power station system, passes through in demagnetization to control direct-furnish
Module, fill input time series for module and straight conversion module, to degaussing operation cable provide positive and negative alternately, progressively decay between
Have a rest pulse current；Direct-furnish module, it inputs the three-phase alternating current for the output of demagnetization electric power station system, when pulse exports, by power station
The power providing is transferred directly to load, and the instruction according to control module exports pulse current；Fill and supply module, in the phase in pulse spacing
Between, input the three-phase alternating current for the output of demagnetization electric power station system, by the energy storage absorbing from demagnetization electric power station system in electric capacity mould
In block, when pulse exports, capacitance module provides energy for filling for module, and the instruction according to control module exports pulse current；
Straight conversion module, inputs the direct current providing for capacitance module, and when pulse exports, capacitance module is that straight conversion module carries
Energizing quantity, the instruction according to control module exports pulse current；Capacitance module, was filled to it for module by filling during the pulse spacing
Electricity, provides energy for filling for module and straight conversion module when pulse exports.Demagnetization main power source by 24 direct-furnish modules, 20
Fill for module, 20 directly become die change and be divided into two groups, every group have 12 direct-furnish modules and 10 fill for module, 10 directly convert
Module.Every group of supporting 6 × 240 cables of output, every cable collects in hull, and remaining position is mutually insulated, because ship
Suitable little of body resistance, can be approximately considered 6 cables is individual loads.
In technique scheme, demagnetization auxiliary power includes 2 secondary electricity modules mfd-200/80,1 secondary electricity module mfd-
400/120 composition, the input of above-mentioned three secondary electricity modules is the three-phase alternating current of demagnetization electric power station system output, above-mentioned 3 pairs
The each output of electric module one road steady-state DC compensates electric current, is that demagnetization compensating cable is powered, for compensating induced field.
In technique scheme, magnetic field measurement system is made up of 2 sets of portable magnetometers, and often set magnetometer is configured with 10
Magnetic probe.It is stored in during magnetic field measurement system non-working condition in demagnetization auxiliary container, during use, be placed on demagnetization mesh
On sample body, detect magnetic field state residing for demagnetization target by 20 magnetic probes.
In technique scheme, demagnetization control system includes demagnetization command centre, the electricity mutually adopting serial communication to connect
Source control centre and Control of Power Plant center, Control of Power Plant is provided centrally with monitoring power station unit, and power supply is provided centrally with leading
Power supply supervision unit, auxiliary power monitoring unit, demagnetization command centre is provided with magnetic field acquisition process unit, monitoring power station unit with
Jet dynamic control, auxiliary power generation unit and Generation Control module electrical connection, Generation Control module include output control module and
Output distribution module.Main power source monitoring unit and demagnetization main power source, degaussing cable, the electrical connection of major-minor current control module, secondary electricity
Source monitoring unit and demagnetization auxiliary power, demagnetization compensating cable and the electrical connection of major-minor current control module, magnetic field acquisition process unit
Electrically connect with magnetometer, magnetic field acquisition process unit includes magnetic-field measurement module, magnetic field analysis module and winding adjusting module.Disappear
Magnetic command centre, power supply center and Control of Power Plant center are hand-held computer.During use, power supply is centrally disposed
On the bridge control console of demagnetization power supply container, the driver's cabin that Control of Power Plant is centrally disposed in demagnetization power station container controls
On platform.Can be stored in during demagnetization command centre non-working condition in demagnetization auxiliary container, be positioned over during work in demagnetization target.
Monitoring power station unit, main power source monitoring unit, auxiliary power monitoring unit, magnetic field acquisition process unit are and are arranged at corresponding calculating
Software within machine.The running status of each generating set of Control of Power Plant center monitors；Power supply center is according to being unmagnetized target
Situations such as size, magnetic state and earth's magnetic field scope, is to parameters such as demagnetization major-minor electric power outputting current amplitude, waveform and attenuation rates
It is controlled, completes to be unmagnetized the process of target remanent magnetization, the output information of demagnetization major-minor power supply is fed back to demagnetization simultaneously
Control centre.Demagnetization control centre is acquired to the magnetic field data being unmagnetized target before demagnetization, in degaussing process and after demagnetization；
Calculate the magnetic-field component being unmagnetized target；Calculate demagnetization power supply parameter；Generate database；Show all procedure parameters and paint
Figure；Magnetic process end-of-job when, according to being unmagnetized objective result magnetic field conditions, be given be unmagnetized target degaussing winding adjustment auxiliary
Help decision-making；Send adjust instruction according to magnetic field conditions to power supply center and Control of Power Plant center.
In technique scheme, demagnetization accessory system includes degaussing cable, is made up of the first terminals and the second terminals
Cable connecting arrangement, cable flotation gear, degaussing cable be flat degaussing cable, the first terminals of cable connecting arrangement and
Second terminals are respectively arranged at demagnetization target two ends, and demagnetization main power source positive pole passes through flat degaussing cable and cable connecting arrangement
The first terminals connect, demagnetization main power source negative pole passes through the second terminals of flat degaussing cable and cable connecting arrangement even
Connect, demagnetization target forms effective loop, flat demagnetization electricity by cable connecting arrangement and flat degaussing cable and demagnetization main power source
Cable floats on the water surface by cable flotation gear, and demagnetization compensating cable is around the periphery of demagnetization target.
Flat degaussing cable includes conductor 11, insulating layer of conductor 12 and cable cover(ing) 13.Wherein, the single line of conductor 11 is plating
Tin copper free wire, constitutes three-core conductor, arranged in parallel constitutes flat flexible cable core together；Insulating layer of conductor 12 adopt with
Silicon rubber is the rubber of base-material, is closely extruded on conductor, and have passed through high voltage examination；Cable cover(ing) 13 rubber adopts chlorine
Fourth rubber is the cold-resistant sheath glue of base-material, is closely extruded on core, surfacing, surface and the visible gas of section no eyesight
Hole.Flat degaussing cable has the advantages that lightweight, resistance is little, wear-resisting, heatproof, softness, is highly convenient to mobile formula degaussing gear
Use.
When demagnetization target is ship waterborne, need to make degaussing cable swim on the water surface with cable flotation gear.Electricity
Cable flotation gear 2 includes the buoyancy aid 21 being made up of new closed-cell foam material, employ special foam process, bonding process and
Spraying coating process.The longitudinal direction of buoyancy aid 21 is provided with the cable trough of a rectangle, and flat degaussing cable embeds in cable trough, makes to float
Body can be in longitudinal direction and cable close-coupled.Buoyancy aid be circumferentially provided with 3 carry buckle annular grooves 22, for regular worker
Make cable and buoyancy aid.The two ends of buoyancy aid are provided with connection becket bridle 24, are easy to be coupled to each other between buoyancy aid.Cable flotation gear has
Low, firm, ageing-resistant, flexible, the durable advantage of lightweight, water absorption rate, is highly convenient for being used in combination with flat degaussing cable.
Cable connecting arrangement 3 is the critical component that degaussing operation cable is connected with hull, is degaussing operation electric current in cable
And it is unmagnetized the passage of flowing between target.The bolt interface 31 that cable connecting arrangement top is made for high-quality copper material, for
Degaussing cable is connected；Bottom is end liner steel plate 32, at the scene be unmagnetized target 5 and weld together；The bolt on top connects
Mouth 31 is welded together using special process in factory in advance with the end liner steel plate 32 of bottom.During use, by the bottom of attachment means
Lined steel plate 32 and hull plate weld together, and then, one end of flat degaussing cable are fixed by bolts to bolt interface 31
On, the other end is fixed on the current output terminal of portable degaussing gear, is allowed to form reliable circuit path.Cable connecting arrangement
This structure be both easy to operating current and flow through, be easy to site operation welding, being very suitable for this portable degaussing gear makes again
With.Flat degaussing cable and its attachment means are rational in infrastructure, and technique is advanced, and degaussing cable can be made to float across the sea, permissible
Continuously carry out demagnetization for multiple demagnetization targets, carry out cable recovery after demagnetization terminates again, it is convenient to reclaim, it is possible to increase demagnetization is imitated
Rate, greatlys save degaussing cable and manpower and materials, is very suitable for portable degaussing gear and uses.
In technique scheme, demagnetization command centre, power supply center and Control of Power Plant center are computer, demagnetization
Command centre is arranged in demagnetization target, and power supply is centrally disposed in demagnetization power supply container, and Control of Power Plant is centrally disposed
In the container of demagnetization power station.
In technique scheme, demagnetization auxiliary container also includes fuel oil tank, pneumatic boat.Container body is according to 1aa type mark
Quasi- Production Container, meets Container Transport requirement.Casing energy rain-proof, dust-proof, Defend salt fog, anti-corrosion.Setting in container body
Access path, configuration ventilation and lighting apparatus.Internal container takes precautions against fire and arranges the peace such as temperature alarm, fire extinguisher
Full protection device.
During use, carry out guard station preparation first, the personnel of completing convene and mobilize, prepare vehicle, oil plant, instrument, set
Demagnetization place is left for after standby, data, equipment and instrument；
After reaching demagnetization scene, further preparation, portable degaussing gear is docked at specified location, puts down support
Device, each system is launched separately；Demagnetization target is positioned over specified location and direction；Measure the original magnetic of demagnetization target using magnetometer
, meanwhile, each system starts field adjustable；
Unload flat degaussing cable, compensating cable and flotation gear from demagnetization auxiliary container；Coiling demagnetization bucking coil；
If demagnetization target is ship waterborne, flotation gear is properly tied up with flat degaussing cable, and synchronization pulls to demagnetization target；
If demagnetization target is on land, directly flat degaussing cable is pulled to and be unmagnetized target；By flat degaussing cable two ends respectively
It is reliably connected with the cable connecting arrangement that is arranged at demagnetization target one end with demagnetization main power source negative pole；With the flat demagnetization of another part
Cable connection demagnetization main power source positive pole and the cable connecting arrangement of the demagnetization target other end；
Carry out be energized demagnetization, starting-generating unit and demagnetization major-minor power supply after the completion of preparation；According to demagnetization engineer
Instruction energising demagnetization and magnetic-field measurement, until magnetic field is up to standard；
Demagnetization main power source adopts through type demagnetizing method to be directly energized on ferromagnetic object, using erasing current in ferromagnetic
The energy of electromagnetic field producing inside body steel demagnetizes to ferromagnetic object.Have that demagnetization speed is fast, operating personnel's work is strong
Degree is low, energy ezpenditure is little, the low advantage of environmental requirement, can apply to internal unit, workpiece of inconvenient coiling degaussion coil etc.
Magnetic process, be particularly suitable for carrying out magnetic process to a large amount of ferromagnetic workpieces.
Through type demagnetizing method comprises the steps:
(1) form loop step: a pole of pulse current source is connected with one end of ferromagnetic object by cable, by arteries and veins
Another pole rushing current source is connected with the other end of ferromagnetic object by cable；Ferromagnetic object is as one of current loop
Divide for conduction；
(2) energising demagnetization step: be passed through pulse current to ferromagnetic object, the described pulse current pulse duration is 1
Second～20 seconds, interpulse period is 1 second～20 seconds；Maximum current amplitude is estimated by formula (1), and current attenuation rate is
5%～10%.
In through type demagnetizing method, the estimation equation of maximum current amplitude is: i=5rh (a)；
Wherein: r, for cylinder type hollow object, takes its outer radius；For non-cylindrical hollow body, take equivalent half
Footpath, there is the cylindrical radius of same circumference p with this object it may be assumed thatH demagnetized needed for Surface field
Intensity.
In through type demagnetizing method, the current pulse shape of pulse current is square wave or trapezoidal wave, and current pulse amplitude is progressively
Decay.
Generating set, demagnetization major-minor power supply and magnetometer is closed after the completion of demagnetization；
Terminate demagnetization after stable magnetic field investigation is qualified, otherwise, reason demagnetization again must be analyzed, until magnetic field is qualified；Knot
Shu Benci demagnetization.
If there are follow-up demagnetization target, first withdraw magnetic measurement apparatus；Remove degaussing operation cable to be connected with being unmagnetized target
Bolt, by degaussing operation cable be pulled to safe place place (if carrying out demagnetization to demagnetization target waterborne, degaussing cable is fixed on
On flotation gear, and cable connector is prevented to be soaked in water)；Remove magnetic compensation cable, and be placed on safe place；Demagnetization personnel remove
From being unmagnetized target；It is unmagnetized target and withdraw demagnetization place；Follow-up demagnetization target is marched into the arena, and repeats above-mentioned each relevant step.
If no follow-up demagnetization target when, the directly all demagnetization accessory systems of dismounting, dry that (condition possesses Shi Yingxian with light
Water rinse) after be recovered on disk cable device；Withdraw all appts, equipment, equipment and instrument etc., and place in the original location；Properly locate
Reason all waste thing (waste oil, waste water and house refuse etc.)；Return to guard station.
Claims (8)
1. a kind of movable type degaussing gear is it is characterised in that inclusion demagnetization power station container, demagnetization power supply container and demagnetization are auxiliary
Help container, be provided with demagnetization electric power station system and auxiliary power generation unit in the container of demagnetization power station, set in demagnetization power supply container
It is equipped with demagnetization power-supply system and demagnetization control system, in demagnetization auxiliary container, be provided with magnetic field measurement system and demagnetization auxiliary system
System；Demagnetization electric power station system is made up of jet dynamic control and corresponding control controller switching equipment and diesel generator；Demagnetization electricity
System of standing provides the alternating current of three-phase three-wire system to demagnetization power-supply system, and auxiliary power generation unit is auxiliary to demagnetization power-supply system and demagnetization
Auxiliary system provides three-phase four-wire system alternating current；Demagnetization accessory system includes demagnetization leader cable and demagnetization compensating cable；Demagnetization power supply
System includes demagnetization main power source, demagnetization auxiliary power and AC power, and demagnetization main power source is to can form the disappearing of path with demagnetization target
Magnetoelectricity cable exports pulse direct current, and, to demagnetization compensating cable output three road steady-state DC electricity, AC power is respectively for demagnetization auxiliary power
Export a road alternating current to demagnetization control system and demagnetization accessory system；Magnetic field measurement system detects the surrounding magnetic field of demagnetization target
State, demagnetization control system offsets magnetoelectricity origin system, demagnetization electric power station system and magnetic field measurement system and carries out monitor in real time；Three intersect
Stream civil power accesses demagnetization electric power station system through three-phase alternating current civil power input box, and auxiliary power generation unit is connected with on-site control platform,
Jet dynamic control is connected with case side control panel and case side controls terminal box, and case side controls terminal box to control terminal box through driver's cabin
It is connected with bridge control console, auxiliary power generation unit connects to case top-cross stream output connection case through output power distribution unit, and combustion gas is sent out
Group of motors connects to case top-cross stream output connection case through output control module, and case top-cross stream output connection case exports a road three-phase three
Line alternating current, two-way three-phase four-wire system alternating current and a road single-phase alternating current.
2. according to claim 1 movable type degaussing gear it is characterised in that demagnetization power-supply system includes power distribution cabinet,
Alternating current from electric power station system and civil power all inputs inlet wire case input power power distribution cabinet, power distribution cabinet warp via case top-cross stream
Case top-cross flow out line end mouth export three-phase alternating current to demagnetization accessory system, power distribution cabinet directly be demagnetization control system and
Illuminator in demagnetization power supply container, ventilating system provide single-phase AC power, and power distribution cabinet is respectively demagnetization master
Power supply provides with demagnetization auxiliary power and exchanges input, and demagnetization main power source exports two-way pulse direct current through case side main power source wire box,
Demagnetization auxiliary power exports three road direct currents through case side auxiliary power wire box, and demagnetization main power source and demagnetization auxiliary power are electric with major-minor respectively
Control module electrically connects, and major-minor electric control module is electrically connected with driver's cabin leading-in box through case side control line junction box, and major-minor is automatically controlled
Molding block is connected with case side operation control panel, and driver's cabin leading-in box is connected with bridge control console.
3. movable type degaussing gear according to claim 2 is it is characterised in that demagnetization main power source includes direct-furnish module, fills confession
Module, straight conversion module, capacitance module, wherein major-minor electric control module, it inputs the three-phase for the output of demagnetization electric power station system
Alternating current, passes through to control direct-furnish module, fills input time series for module and straight conversion module, to degaussing operation electricity in demagnetization
Cable provides the positive and negative intermittent pulse current replacing, progressively decaying；Direct-furnish module, it inputs the three-phase for the output of demagnetization electric power station system
Alternating current, when pulse exports, the power that power station is provided is transferred directly to load, and the instruction according to control module exports pulse
Electric current；Fill and supply module, during the pulse spacing, input the three-phase alternating current for the output of demagnetization electric power station system, will be from demagnetization power station
In capacitance module, when pulse exports, capacitance module provides energy for filling for module to the energy storage of Systemic absorption, according to control
The instruction output pulse current of molding block；Straight conversion module, inputs the direct current providing for capacitance module, in pulse output
When, capacitance module provides energy for straight conversion module, and the instruction according to control module exports pulse current；Capacitance module,
For module, it is charged by filling during pulse spacing, provide energy for filling for module and straight conversion module when pulse exports.
4. movable type degaussing gear according to claim 3 is it is characterised in that demagnetization auxiliary power includes 2 secondary electricity modules
Mfd-200/80,1 secondary electricity module mfd-400/120 composition, the input of above-mentioned three secondary electricity modules is demagnetization electric power station system
The three-phase alternating current of output, above-mentioned 3 secondary electricity module each output one road direct currents.
5. movable type degaussing gear according to claim 4 is it is characterised in that magnetic field measurement system is by 2 sets of portable survey magnetic
Instrument forms, and often set magnetometer is configured with 10 magnetic probes.
6. movable type degaussing gear according to claim 5 is it is characterised in that demagnetization control system is included mutually using string
The demagnetization command centre of row communication connection, power supply center and Control of Power Plant center, Control of Power Plant is provided centrally with power station prison
Control unit, power supply is provided centrally with main power source monitoring unit, auxiliary power monitoring unit, and demagnetization command centre is provided with magnetic field
Acquisition process unit, monitoring power station unit is electrically connected with jet dynamic control, auxiliary power generation unit and Generation Control module, main electricity
Source monitoring unit and demagnetization main power source, the electrical connection of major-minor current control module, auxiliary power monitoring unit and demagnetization auxiliary power and master
Secondary current control module electrically connects, and magnetic field acquisition process unit is electrically connected with magnetometer, and magnetic field acquisition processing module includes magnetic field
Measurement module, magnetic field analysis module and winding adjusting module.
7. according to claim 6 movable type degaussing gear it is characterised in that demagnetization accessory system include degaussing cable, by
The cable connecting arrangement of the first terminals and the second terminals composition, cable flotation gear, main degaussing cable is flat demagnetization electricity
Cable, the first terminals of cable connecting arrangement and the second terminals are respectively arranged at demagnetization target two ends, and demagnetization positive source leads to
Cross flat degaussing cable to be connected with the first terminals of cable connecting arrangement, demagnetization power cathode passes through flat degaussing cable and electricity
Second terminals of cable attachment means connect, and demagnetization target passes through cable connecting arrangement and flat degaussing cable and demagnetization power supply shape
Become effective loop, flat degaussing cable floats on the water surface by cable flotation gear, and demagnetization compensating cable is around demagnetization mesh
Target periphery.
8. according to claim 7 movable type degaussing gear it is characterised in that demagnetization command centre, power supply center and
Control of Power Plant center is computer, and demagnetization command centre is arranged in demagnetization target, and power supply is centrally disposed in demagnetization electricity
In the container of source, Control of Power Plant is centrally disposed in the container of demagnetization power station.
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| CN107658094B (en) * | 2017-11-17 | 2019-08-23 | 江门麦威电子科技有限公司 | A kind of automatic magnetizing apparatus |
| CN110535047B (en) * | 2019-08-22 | 2023-07-07 | 中船绿洲镇江船舶辅机有限公司 | Heavy-load inquiry electric cabinet and control method thereof |
| CN111816403B (en) * | 2020-07-09 | 2021-02-19 | 北京中超伟业信息安全技术股份有限公司 | Target position determining method and system for demagnetization |
| CN113421734B (en) * | 2021-08-23 | 2021-11-26 | 北京中超伟业信息安全技术股份有限公司 | Control method and system for magnetic medium continuous demagnetizer |
| CN116504487B (en) * | 2023-04-26 | 2024-01-23 | 北京航空航天大学 | Magnetic field balance demagnetizing device and method and electronic equipment |
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