CN106231885B - Guidance path display methods - Google Patents
Guidance path display methods Download PDFInfo
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- CN106231885B CN106231885B CN201610661891.4A CN201610661891A CN106231885B CN 106231885 B CN106231885 B CN 106231885B CN 201610661891 A CN201610661891 A CN 201610661891A CN 106231885 B CN106231885 B CN 106231885B
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- 239000010410 layer Substances 0.000 claims abstract description 20
- 239000011241 protective layer Substances 0.000 claims abstract description 17
- 239000011229 interlayer Substances 0.000 claims abstract description 13
- 239000004917 carbon fiber Substances 0.000 claims description 40
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 28
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 27
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 22
- 229910052802 copper Inorganic materials 0.000 claims description 22
- 239000010949 copper Substances 0.000 claims description 22
- 238000009713 electroplating Methods 0.000 claims description 22
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 18
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 18
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 10
- 239000002270 dispersing agent Substances 0.000 claims description 8
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 claims description 8
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 claims description 8
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- HDTRYLNUVZCQOY-WSWWMNSNSA-N Trehalose Natural products O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@@H]1O[C@@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 HDTRYLNUVZCQOY-WSWWMNSNSA-N 0.000 claims description 6
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 235000019270 ammonium chloride Nutrition 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 4
- 238000013019 agitation Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims description 4
- 238000010907 mechanical stirring Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
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- 229910052709 silver Inorganic materials 0.000 claims 1
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- 235000013339 cereals Nutrition 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 3
- RZYKUPXRYIOEME-UHFFFAOYSA-N CCCCCCCCCCCC[S] Chemical compound CCCCCCCCCCCC[S] RZYKUPXRYIOEME-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 238000005660 chlorination reaction Methods 0.000 description 3
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- 229910052708 sodium Inorganic materials 0.000 description 3
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- 238000003756 stirring Methods 0.000 description 3
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- 238000004140 cleaning Methods 0.000 description 2
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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- 235000009566 rice Nutrition 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
- H05K9/0088—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a plurality of shielding layers; combining different shielding material structure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a kind of new guidance path display methods suitable for unmanned plane: (1) prepare extraordinary mobile terminal: wherein the extraordinary mobile terminal surface is fitted with interlayer type electromagnetic shield module; the interlayer type electromagnetic shield module is that composite electromagnetic screen body is pressed from both sides among two layers of protective layer, and two layers of protective layer contact two sides of composite electromagnetic screen body is set as waveform；(2) it shows guidance path: obtaining the position of target terminal, the target terminal at least two, and show on the respective navigation map of at least two terminals the position of at least two terminal；Datum mark is obtained, and the datum mark is shown on the respective navigation map of at least two terminals；Obtain the respective path of at least two terminals, and the respective path of at least two terminals is shown on the respective navigation map of at least two terminals, wherein, the path of terminal is obtained by the terminal according to the position of the datum mark and one terminal.
Description
Technical field
The present invention relates to navigation and field of material technology, in particular to a kind of guidance path display methods.
Background technique
Currently, smart phone, PAD, notebook etc. have wireless communication function with the development of technical field of wireless terminals
Terminal have been obtained commonly used, and most of wireless terminal has all had navigation feature, and user can be wireless
Navigation software is installed, so that navigation software provides the navigation Services such as positioning, pathfinding for user in terminal.
Referred to as " unmanned plane ", english abbreviation is " UAV " to UAV, is using radio robot and to provide for oneself
The not manned aircraft of presetting apparatus manipulation.It can be divided into from technical standpoint definition: unmanned fixed-wing aircraft, unmanned VTOL
Machine, unmanned airship, unmanned helicopter, unmanned multi-rotor aerocraft, unmanned parasol etc..Unmanned plane often faces more harsh
Environmental test, including it is resistant to high temperatures, anticorrosive, the performance of electromagnetic shielding will be got well.
The object of the present invention is to provide a kind of a kind of new guidance path display methods suitable for unmanned plane, to nobody
Machine mobile terminal has carried out further optimization, makes it have extraordinary electromagnetic shielding, is more applicable for unmanned plane, so that this
A kind of guidance path display methods suitable for unmanned plane of invention has the stronger market competitiveness, this is the weight of the present inventor
Big invention.
Summary of the invention
Technical problems based on background technology, the present invention background technique there are aiming at the problem that, provide a kind of new
Suitable for a kind of guidance path display methods of unmanned plane, the terminal including optimizing navigation complies with the use of unmanned plane
Situation.So that a kind of guidance path display methods suitable for unmanned plane of the invention has the stronger market competitiveness, this is
The invention of great significance of the present inventor.
The purpose of the present invention is achieved through the following technical solutions:
A kind of new guidance path display methods suitable for unmanned plane, the steps include:
(1) extraordinary mobile terminal is prepared:
Wherein the extraordinary mobile terminal surface is fitted with interlayer type electromagnetic shield module, and the interlayer type is electromagnetically shielded mould
Block is that composite electromagnetic screen body is pressed from both sides among two layers of protective layer, and two layers of protective layer contact two sides of composite electromagnetic screen body is set as wave
Shape；
The composite electromagnetic screen body is that ABS plastic casting copper mesh forms, and short Ni/Fe is dispersed in ABS plastic3O4Carbon
Fiber, Ni/Fe3O4Carbon fiber length is 3mm；
(2) guidance path is shown:
The position of acquisition target terminal, the target terminal at least two, and it is respective at least two terminal
The position of at least two terminal is shown on navigation map；
Datum mark is obtained, and the datum mark is shown on the respective navigation map of at least two terminals；
The respective path of at least two terminals is obtained, and the respective path of at least two terminals is shown in institute
It states on the respective navigation map of at least two terminals, wherein the path of terminal is by the terminal according to the datum mark and described
The position of one terminal obtains.
The preparation step of the electromagnetic shield module is as follows:
Step 1 cuts copper mesh:
Copper mesh is cut according to required size, the copper mesh cut is put into dilute hydrochloric acid solution, 10min is ultrasonically treated, goes
Except surface oxide layer, then cleans, dries.
Step 2 prepares Ni/Fe3O4Carbon fiber:
Carbon fiber density used is 1.82-1.95g/cm3, diameter is 5 μm, is put into 1% aqueous trehalose, conserves 10-
Then 15min is cleaned, is dried；
Then carbon fiber is pre-processed into 30 min in 100 DEG C of batch-type furnace, then by nickel sulfate, citric acid, chlorination
Ammonium, dodecyl sodium sulfate and nanometer Fe3O4It is configured to electroplating solution, wherein nickel sulfate, citric acid, ammonium chloride, dodecyl sulphur
Sour sodium and nanometer Fe3O4Content be followed successively by 120 g/L, 12 g/L, 18 g/L, 2g/L, 20g/L, then adjusting its pH value is
4.5；
Electroplating solution is put into electroplanting device, using nickel plate as anode in electroplanting device, carbon fiber is as cathode, sun
Pole and cathode are immersed in electroplating solution, and in electroplating process, using mechanical stirring, and temperature is maintained at 30 DEG C, plating electricity
Current density is 2.6A/dm2, electroplating time 20-30min obtains Ni/ Fe3O4Carbon fiber.
Step 3 prepares composite electromagnetic screen body:
By Ni/ Fe3O4Carbon fiber is cut into the staple fiber of 3 mm, then according to the ratio of mass ratio 1:0.6 by staple fiber
It is placed in dispersing agent with Nano silver grain, is uniformly distributed it using electromagnetic agitation；ABS powder is added in dispersing agent later and is filled
Divide stirring, be allowed to be uniformly mixed with fiber, forms mixing；Mixing is put into Suction filtration device, carries out decompression suction filtration using vacuum pump,
Ready copper mesh is placed in the mold of suitable size, then pours into mixing in mold, heated at 150 DEG C, and apply
10 Mpa pressure, cooling after material molding, demoulding obtain composite electromagnetic screen body, and composite electromagnetic screen body upper and lower surface is wave
Shape wave.
Step 4:
Composite electromagnetic screen body upper and lower surface is bonded protective layer, then forms electromagnetic shield module, the electromagnetic shielding mould
Block is layed in mobile terminal outer surface.
The invention has the beneficial effects that:
(1) operation of the present invention is simple, can be efficient, fast, accurately to show guidance path, by obtaining multiple ends
Position, datum mark and the respective path at end, and by the position of acquired multiple terminals, datum mark and respective road
Diameter is shown on respective navigation map, thus allow user see on respective navigation map other users position,
Datum mark and respective path.
(2) terminal for optimizing navigation complies with the service condition of unmanned plane.In configuration aspects, electromagnetism of the invention
Shroud module is interlayer type, and to press from both sides composite electromagnetic screen body, composite electromagnetic screen body and two layers of guarantor among two layers of protective layer
Sheath contact two sides is set as waveform；Use copper mesh with good conductivity for conductive base in composite electromagnetic screen body of the present invention
Body, then using the staple fiber of carbon as filler, and equally distributed nano silver particles in bonded composite, form face-line-
The irregular conductive structure of three levels of point, and conductivity is higher, and contact resistance is smaller, is electromagnetically shielded and imitates to composite material
The raising of energy plays unexpected effect.In the composite, the processing that comes to the surface is carried out to carbon fiber, in carbon fiber surface
Electroplated Ni and Fe3O4Nano particle, Fe3O4Nano particle magnetic, excellent surface-active with higher, and due to nanometer
The very small dimensions of particle and biggish specific surface area, make it have good absorbing property, play to effectiveness is improved
Positive effect.Carbon fiber uses electroplating technology in composite material of the invention, in the Ni layer and Fe that carbon fiber surface is formed3O4It receives
Rice grain layer is evenly distributed, and preparation method is simply controllable, has certain actual application prospect.
(3) what the present invention innovated handles carbon fiber with aqueous trehalose before plating, and having been surprisingly found that can reduce
Furthermore the temperature of the pre-heat treatment can also improve effectiveness.
Specific embodiment
Embodiment 1:
The present embodiment is related to a kind of mobile terminal based on composite electromagnetic shielding material, wherein the special type mobile terminal
Surface is fitted with interlayer type electromagnetic shield module, and the interlayer type electromagnetic shield module is that composite electromagnetic is pressed from both sides among two layers of protective layer
Shield, two layers of protective layer contact two sides of composite electromagnetic screen body are set as waveform；
The composite electromagnetic screen body is that ABS plastic casting copper mesh forms, and short Ni/Fe is dispersed in ABS plastic3O4Carbon
Fiber, Ni/Fe3O4Carbon fiber length is 3mm；
Further, the preparation step of the electromagnetic shield module is as follows:
Step 1 cuts copper mesh:
Copper mesh is cut according to required size, the copper mesh cut is put into dilute hydrochloric acid solution, 10min is ultrasonically treated, goes
Except surface oxide layer, then cleans, dries.
Step 2 prepares Ni/Fe3O4Carbon fiber:
Carbon fiber density used is 1.82g/cm3, diameter is 5 μm, is put into 1% aqueous trehalose, conserves 10min, then
Cleaning, drying；
Then carbon fiber is pre-processed into 30 min in 100 DEG C of batch-type furnace, then by nickel sulfate, citric acid, chlorination
Ammonium, dodecyl sodium sulfate and nanometer Fe3O4It is configured to electroplating solution, wherein nickel sulfate, citric acid, ammonium chloride, dodecyl sulphur
Sour sodium and nanometer Fe3O4Content be followed successively by 120 g/L, 12 g/L, 18 g/L, 2g/L, 20g/L, then adjusting its pH value is
4.5；
Electroplating solution is put into electroplanting device, using nickel plate as anode in electroplanting device, carbon fiber is as cathode, sun
Pole and cathode are immersed in electroplating solution, and in electroplating process, using mechanical stirring, and temperature is maintained at 30 DEG C, plating electricity
Current density is 2.6A/dm2, electroplating time 20-30min obtains Ni/ Fe3O4Carbon fiber.
Step 3 prepares composite electromagnetic screen body:
By Ni/ Fe3O4Carbon fiber is cut into the staple fiber of 3 mm, then according to the ratio of mass ratio 1:0.6 by staple fiber
It is placed in dispersing agent with Nano silver grain, is uniformly distributed it using electromagnetic agitation；ABS powder is added in dispersing agent later and is filled
Divide stirring, be allowed to be uniformly mixed with fiber, forms mixing；Mixing is put into Suction filtration device, carries out decompression suction filtration using vacuum pump,
Ready copper mesh is placed in the mold of suitable size, then pours into mixing in mold, heated at 150 DEG C, and apply
10 Mpa pressure, cooling after material molding, demoulding obtain composite electromagnetic screen body, and composite electromagnetic screen body upper and lower surface is wave
Shape wave.
Step 4:
Composite electromagnetic screen body upper and lower surface is bonded protective layer, then forms electromagnetic shield module, the electromagnetic shielding mould
Block is layed in mobile terminal outer surface.
Electromagnetic shielding performance test is carried out to the present embodiment electromagnetic shield module, using E5071C type Network Analyzer flange
Coaxial hair test, temperature are 30 DEG C, humidity 50%(RH).
| SE(db) | 98 | 91 | 69 | 78 | 79 | 80 |
| Frequence(MHz) | 200 | 400 | 600 | 800 | 1000 | 1200 |
Test obtains composite electromagnetic shield materials electromagnet shield effect curve within the scope of 200 ~ 1200MHz, it is seen then that this hair
Bright extraordinary mobile terminal material electromagnetic shielding curve is more gentle, and electromagnet shield effect is higher.
Embodiment 2:
The present embodiment is related to a kind of mobile terminal based on composite electromagnetic shielding material, wherein the special type mobile terminal
Surface is fitted with interlayer type electromagnetic shield module, and the interlayer type electromagnetic shield module is that composite electromagnetic is pressed from both sides among two layers of protective layer
Shield, two layers of protective layer contact two sides of composite electromagnetic screen body are set as waveform；
The composite electromagnetic screen body is that ABS plastic casting copper mesh forms, and short Ni/Fe is dispersed in ABS plastic3O4Carbon
Fiber, Ni/Fe3O4Carbon fiber length is 3mm；
Further, the preparation step of the electromagnetic shield module is as follows:
Step 1 cuts copper mesh:
Copper mesh is cut according to required size, the copper mesh cut is put into dilute hydrochloric acid solution, 10min is ultrasonically treated, goes
Except surface oxide layer, then cleans, dries.
Step 2 prepares Ni/Fe3O4Carbon fiber:
Carbon fiber density used is 1.95g/cm3, diameter is 5 μm, is put into 1% aqueous trehalose, conserves 15min, then
Cleaning, drying；
Then carbon fiber is pre-processed into 30 min in 100 DEG C of batch-type furnace, then by nickel sulfate, citric acid, chlorination
Ammonium, dodecyl sodium sulfate and nanometer Fe3O4It is configured to electroplating solution, wherein nickel sulfate, citric acid, ammonium chloride, dodecyl sulphur
Sour sodium and nanometer Fe3O4Content be followed successively by 120 g/L, 12 g/L, 18 g/L, 2g/L, 20g/L, then adjusting its pH value is
4.5；
Electroplating solution is put into electroplanting device, using nickel plate as anode in electroplanting device, carbon fiber is as cathode, sun
Pole and cathode are immersed in electroplating solution, and in electroplating process, using mechanical stirring, and temperature is maintained at 30 DEG C, plating electricity
Current density is 2.6A/dm2, electroplating time 20-30min obtains Ni/ Fe3O4Carbon fiber.
Step 3 prepares composite electromagnetic screen body:
By Ni/ Fe3O4Carbon fiber is cut into the staple fiber of 3 mm, then according to the ratio of mass ratio 1:0.6 by staple fiber
It is placed in dispersing agent with Nano silver grain, is uniformly distributed it using electromagnetic agitation；ABS powder is added in dispersing agent later and is filled
Divide stirring, be allowed to be uniformly mixed with fiber, forms mixing；Mixing is put into Suction filtration device, carries out decompression suction filtration using vacuum pump,
Ready copper mesh is placed in the mold of suitable size, then pours into mixing in mold, heated at 150 DEG C, and apply
10 Mpa pressure, cooling after material molding, demoulding obtain composite electromagnetic screen body, and composite electromagnetic screen body upper and lower surface is wave
Shape wave.
Step 4:
Composite electromagnetic screen body upper and lower surface is bonded protective layer, then forms electromagnetic shield module, the electromagnetic shielding mould
Block is layed in mobile terminal outer surface.
Electromagnetic shielding performance test is carried out to electromagnetic shield module of the present invention, it is same using E5071C type Network Analyzer flange
Axis hair test, temperature are 30 DEG C, humidity 50%(RH).
| SE(db) | 105 | 95 | 89 | 88 | 91 | 80 |
| Frequence(MHz) | 200 | 400 | 600 | 800 | 1000 | 1200 |
Test obtains composite electromagnetic shield materials electromagnet shield effect curve within the scope of 200 ~ 1200MHz, it is seen then that this hair
Bright extraordinary mobile terminal material electromagnetic shielding curve is more gentle, and electromagnet shield effect is higher.
The method that embodiment 3 is suitable for the acquisition for mobile terminal navigation picture of unmanned plane:
A kind of new guidance path display methods suitable for unmanned plane, the steps include:
Suitable for the guidance path display methods of unmanned plane, the steps include:
(1) extraordinary mobile terminal is prepared:
Wherein the extraordinary mobile terminal surface is fitted with interlayer type electromagnetic shield module, and the interlayer type is electromagnetically shielded mould
Block is that composite electromagnetic screen body is pressed from both sides among two layers of protective layer, and two layers of protective layer contact two sides of composite electromagnetic screen body is set as wave
Shape；
The composite electromagnetic screen body is that ABS plastic casting copper mesh forms, and short Ni/Fe is dispersed in ABS plastic3O4Carbon
Fiber, Ni/Fe3O4Carbon fiber length is 3mm；
(2) guidance path is shown:
The position of acquisition target terminal, the target terminal at least two, and it is respective at least two terminal
The position of at least two terminal is shown on navigation map；
Datum mark is obtained, and the datum mark is shown on the respective navigation map of at least two terminals；
The respective path of at least two terminals is obtained, and the respective path of at least two terminals is shown in institute
It states on the respective navigation map of at least two terminals, wherein the path of terminal is by the terminal according to the datum mark and described
The position of one terminal obtains.
In conclusion operation of the present invention is simple, and it can be efficient, fast, accurately to show guidance path, pass through acquisition
Position, datum mark and the respective path of multiple terminals, and by the position of acquired multiple terminals, datum mark, and it is each
From path, be shown on respective navigation map, so that user be allow to see other users on respective navigation map
Position, datum mark and respective path；The terminal for optimizing navigation complies with the service condition of unmanned plane, Er Qiechuan
New handles carbon fiber with aqueous trehalose before plating, has been surprisingly found that the temperature that can reduce the pre-heat treatment, furthermore
Effectiveness can also be improved.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (1)
1. a kind of guidance path display methods suitable for unmanned plane, the steps include:
(1) extraordinary mobile terminal is prepared:
Wherein the extraordinary mobile terminal surface is fitted with interlayer type electromagnetic shield module, and the interlayer type electromagnetic shield module is
Composite electromagnetic screen body is pressed from both sides among two layers of protective layer, the two sides that composite electromagnetic screen body is in contact with two layers of protective layer is wave
Shape；
The composite electromagnetic screen body is that ABS plastic casting copper mesh forms, and short Ni/Fe is dispersed in ABS plastic3O4Carbon fiber
Dimension, Ni/Fe3O4Carbon fiber length is 3mm；
(2) guidance path is shown:
The position of acquisition target terminal, the target terminal at least two, and in the respective navigation of at least two terminals
The position of at least two terminal is shown on map；
Datum mark is obtained, and the datum mark is shown on the respective navigation map of at least two terminals；
Obtain the respective path of at least two terminals, and by the respective path of at least two terminals show it is described extremely
On few two respective navigation maps of terminal, wherein the path of terminal is by the terminal according to the datum mark and a terminal
Position obtain；
The preparation step of the electromagnetic shield module is as follows:
Step 1 cuts copper mesh:
Copper mesh is cut according to required size, the copper mesh cut is put into dilute hydrochloric acid solution, is ultrasonically treated 10min, removes table
Then face oxide layer is cleaned, is dried；
Step 2 prepares Ni/Fe3O4Carbon fiber:
Carbon fiber density used is 1.82-1.95g/cm3, diameter is 5 μm, it is put into 1% aqueous trehalose, conserves 10-15min,
Then it cleans, dry；
Then carbon fiber is pre-processed into 30 min in 100 DEG C of batch-type furnace, then by nickel sulfate, citric acid, ammonium chloride, ten
Dialkyl sulfonates and nanometer Fe3O4It is configured to electroplating solution, wherein nickel sulfate, citric acid, ammonium chloride, dodecyl sodium sulfate
And nanometer Fe3O4Content be followed successively by 120 g/L, 12 g/L, 18 g/L, 2g/L, 20g/L, then adjust its pH value be 4.5；
Electroplating solution is put into electroplanting device, anode is used as using nickel plate in electroplanting device, carbon fiber as cathode, anode and
Cathode is immersed in electroplating solution, and in electroplating process, using mechanical stirring, and temperature is maintained at 30 DEG C, and electroplating current is close
Degree is 2.6 A/dm2, electroplating time 20-30min obtains Ni/ Fe3O4Carbon fiber；
Step 3 prepares composite electromagnetic screen body:
By Ni/ Fe3O4Carbon fiber is cut into the staple fiber of 3 mm, then according to the ratio of mass ratio 1:0.6 by staple fiber and silver
Nanoparticle is placed in dispersing agent, is uniformly distributed it using electromagnetic agitation；ABS powder is added in dispersing agent later and is sufficiently stirred
It mixes, is allowed to be uniformly mixed with fiber, form mixing；Mixing is put into Suction filtration device, carries out decompression suction filtration using vacuum pump, it will be quasi-
The copper mesh got ready is placed in the mold of suitable size, then pours into mixing in mold, is heated at 150 DEG C, and applies 10
Mpa pressure, cooling after material molding, demoulding obtain composite electromagnetic screen body, and composite electromagnetic screen body upper and lower surface is wave
Shape；
Step 4:
Composite electromagnetic screen body upper and lower surface is bonded protective layer, then forms electromagnetic shield module, electromagnetic shield module paving
Set on mobile terminal outer surface.
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