CN105163541B - A kind of warship data storage device and assembling reinforcement means - Google Patents
A kind of warship data storage device and assembling reinforcement means Download PDFInfo
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- CN105163541B CN105163541B CN201510672990.8A CN201510672990A CN105163541B CN 105163541 B CN105163541 B CN 105163541B CN 201510672990 A CN201510672990 A CN 201510672990A CN 105163541 B CN105163541 B CN 105163541B
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Abstract
The present invention relates to a kind of warship data storage device and assembling reinforcement means, it is made of babinet, aviation socket plate, mounting seat and data storage, babinet is made of aluminium alloy and installs ventilating board additional, and inner wall nickel plating simultaneously applies anti-decaying paint, conductive liner is provided at each seam gap, pedestal is fixedly mounted in bottom；Damper is respectively connected in babinet between bottom and side and data storage, is equipped with conductive wadding；The conductive rubber skin that sandwiched aluminium is silver-plated between aviation socket plate and babinet increases transition connection；All spray moisture-proof anticorrosive paints data storage internal circuit board.By the present invention in that with warship data storage device and reinforcement means, it can efficiently solve under warship environment to the heat dissipation of commercial data storage device, the requirement of anti-vibration and impact, three proofings, Electro Magnetic Compatibility etc., enhance to environmental suitability ability.
Description
Technical field
The present invention relates to Shipborne Network information equipment technical field, predominantly warship electronic information provides data storage
Equipment, especially with respect to a kind of warship data storage device and assembling reinforcement means.Predominantly warship is provided with electronic information
Excellent data storage service.
Background technology
The commercial data storage device of mainstream is primarily adapted for use in environmental condition preferable land building room on Vehicles Collected from Market
It is used under interior environment.In general, storage device only needs bare machine use under the indoor environment of land, set without additional protection
It applies.And for severe environmental conditions such as naval vessels, due to being influenced by temperature, humidity, air pressure, impact, interference etc., peace that bare machine uses
Full property and stability can substantially reduce.For severe environmental conditions such as naval vessels, there has been no special design protection measures at present.
Exactly because current commercial data storage apparatus is not designed according to related military standard code requirement, so very
Difficulty is applied on warship, cannot by corresponding experiment examination, and in warship with adverse circumstances (such as vibration, impact, salt fog, electromagnetism
Interference etc.) under steady operation.
Invention content
In view of the above-mentioned problems, the object of the present invention is to provide a kind of warship data storage device and assembling reinforcement means, it should
Under the premise of equipment can be required meeting military standard specification environment adaptability and system is to Technical properties of plant requirement, in warship
It is worked with reliable and stable under adverse circumstances.
The technical measures taken of the present invention are：A kind of warship data storage device, mainly by babinet, aviation socket plate,
Mounting seat and data storage composition, it is characterised in that：
Babinet is made of aluminium alloy, and installs ventilating board additional in top of the box；
Cabinet wall nickel plating simultaneously applies anti-decaying paint；
Respectively have at connection gap on babinet and is both provided with conductive liner；
Pedestal is fixedly mounted in babinet outer bottom, and shockproof lower margin is equipped between mounting seat and babinet, is used between ground
Bolt is fixed；
In babinet, damper is respectively connected between bottom and side and data storage；
It is provided with conductive wadding at each connection gap of babinet；
The conductive rubber skin that sandwiched aluminium is silver-plated between aviation socket plate and babinet increases transition connection；
There is cable to connect between aviation socket plate and data storage and have corresponding external interface, cable connects with server
The one end connect is connected using crystal head, and fixation metal clip is mounted on crystal head；One end that cable is connect with socket
By the way of fixed weld；
All spray moisture-proof anticorrosive paints data storage internal circuit board.
Further：
Data storage selects Sun6100 disk battle arrays.
Equipment further includes a set of hot systems, has temperature controller, wind turbine, cold-making block, radiator, heating plate, temperature controller to be preset with
Start-up temperature starts heating plate and is preheated to box house automatically when temperature of the temperature inside the box less than setting, design preheating
Time is less than 10 minutes；Then start wind turbine when the temperature inside the box is higher than the temperature set, distinguished and admirable guide plate is installed in case.
Babinet includes chassis frame and panel, cover board, and wherein chassis frame is molded in a manner of welding, each panel, cover board
It is all connect using high-strength screw between frame, while being sealed using conductive liner in seam crossing；Install ventilation additional on upper cover plate
Plate, fixing platform screen doors on front panel, connects with hinge.
The clear position in cabinet, also installs distinguished and admirable guide plate, and air stream is towards air outlet.
The equipment further includes power supply, and power input is equipped with DC filter, and filter outputs and inputs line and is all made of
Shielding line, and cabling is detached, filter good earth.
The power cord uses shielded cable, twisted-pair cable and wave prevention sleeve；Cable box house connect up according to
Forceful electric power light current detaches, and alternating current is electrically separated with direct current, and the principle of signal strength subregion carries out.
The assembling reinforcement means of the warship data storage devices, which is characterized in that include the following steps：
1) chassis frame, each cover board, panel, ventilating board and bottom plate are successively passed through to sandblasting, nickel plating, Tu Fang before assembling
Corruption paint；
2) frame set is welded, then mounting base, bottom plate is shielded with frame lap-joint using conductive gasket；Pacify on bottom plate
Fill heating device, wind turbine, outside dress mounting seat；
3) before assembling, by circuit board, first all spray three proofings paint, the discrete component of circuit board use point 1345 to memory
The method of glue is fixed；Cable access host is furnished with fixation wire clamp on cable, and the cable being connect with memory is all using crystal
Head simultaneously installs fixation metal clip on crystal head, and power cord accesses simultaneously；
4) memory host is fixed in bottom and side by damper in box baseplate；
5) upper cover plate is fixed on frame, upper cover plate is shielded with frame lap-joint using conductive gasket；Then aviation is inserted
Seat board is fixed by screws on box cover plate, the silver-plated conductive rubber of sandwiched aluminium between aviation socket plate and upper cover plate
Skin；
6) cable welding access aviation socket plate；
7) panel, cover board are assembled, is connected using screw, installed conductive gasket at lap gap additional, screen is installed additional on front panel
Glass is covered, epoxy conducting adhesion is used between shield glass and front panel；
8) babinet complete package.
Further, power cord incoming end is equipped with filter, and filter outputs and inputs line and is all made of shielding line, and detaches
Cabling, filter reliable ground.
Increasing wave prevention sleeve outside all cables, and all cables are detached according to forceful electric power light current, alternating current is electrically separated with direct current,
The principle arrangement of signal strength subregion wiring.
Effect of the invention is that：1, it by using warship data storage device and reinforcement means, can efficiently solve
To the heat dissipation of commercial data storage device, the requirement of anti-vibration and impact, three proofings, Electro Magnetic Compatibility etc. under warship environment, increase
It is strong to environmental suitability ability (such as vibrationproof, waterproof, mould proof, salt spray proof), meet carrier-borne electronic information to data
The demand of storage device improves system storage performance, lifting means operation stability.2, by taking effective thermal design, three
Anti- design, anti-vibration and impact design, and it is simultaneous to make it have good electromagnetism for the technical measures such as comprehensive utilization shielding, filtering, ground connection
Capacitive.
Description of the drawings
Fig. 1 is warship data storage device stereogram；
Fig. 2-1 is warship data storage device front view；
Fig. 2-2 is warship data storage device vertical view；
Fig. 2-3 is warship data storage device left view；
Fig. 2-4 is A-A sectional views in Fig. 2-2；
Fig. 2-5 is B-B sectional views in Fig. 2-2.
Specific implementation mode
The present invention is illustrated with reference to the accompanying drawings and examples.
Shown in Fig. 1, warship is with data storage device mainly by aviation socket plate 100, babinet 200,300 and of mounting seat
Totally four parts form data storage 400.
Warship mainly carries out warshipization using 6140 disk arrays of commercialization Sun StorageTek with data storage device and reinforces
It forms.Such data storage device has higher performance, the data storage of core network is generally applied to, with suitable
Answer complicated service calculated performance demand.The commercial data storage device after warshipization reinforcing is carried out to meet calculated performance constant
Under the premise of, it enhances to environmental suitability ability (such as vibrationproof, waterproof, mould proof, salt spray proof).
In view of the particularity of warship, the structure and design measure of the equipment each section are as follows：
1. structure design
As shown in Figure 1, warship of the present invention with data equipment mainly by aviation socket plate 100, babinet 200,300 and of mounting seat
Totally four parts form data storage 400.Aviation socket plate 100 is located at 200 top of babinet, and data storage 400 is located at babinet
200 inner parts.
Warship is with data storage device cabinet design at ventilated type structure, complete machine material selection aluminium alloy.Chassis frame uses
Processing technology be aluminium alloy welding mode, can be divided into chassis frame, front panel, rear panel, upper cover plate on body structure.Each portion
/ use screw connects, and lap-joint carries out electromagnetic compatibility shielding using conductive gasket.
In addition ventilating board is installed additional on frame upper cover plate, the clear position in cabinet can also install distinguished and admirable guide plate, real
Existing cooling air directed flow, distinguished and admirable guide plate mean that cold wind can be guided into the baffle of the heating position of memory.
400 front panel of data storage is shield door, is connected on cabinet with hinge and screw.11 He of hinge in such as figure
The screw at the top and side that are shown in Fig. 1.Shield door can effectively anti electromagnetic wave leakage.It opens shield door and can be seen that the inside
Memory.Memory is fixed by fixing corner fittings 26, and 8 corners have entirely.
Aviation socket plate 100 is fixed on upper cover plate, as shown in Figure 1.There is line logical between in aviation socket plate 100 and case
Hole, for being electrically connected with each wiring of memory acquirement, according to the interface of the specifications design socket of memory.
Mounting seat 300 is installed on the bottom of babinet 200, and mounting seat 300 is mainly by adding four dampings on two steel plates
Lower margin is made, and 4 positions of the bottom of box are symmetrically distributed in.There is bolt hole on steel plate, connects with ground or with other peripheral equipments
Connect fixation.
Data storage 400 is fixed on 200 inner part of babinet, is connect by cable with aviation socket plate 100.
Above are only basic structure, present invention additionally contemplates that naval vessel influences the various aspects of equipment, enhance accordingly as
The design of lower several respects, particularly between aviation socket plate 100 and data storage 400, aviation socket plate 100 and babinet 200
Between and the fixation problem between data storage 400 and babinet 200, heat dissipation problem, moisture-proof vibrationproof problem, shielding problem
Etc..
Fig. 2-2 shows that aviation socket plate 100 and the installation of babinet 200 are fixed, wherein the component indicated has aviation socket 9,
Earth stud 10 does not deviate from screw 6, aviation socket plate 5, rear cover weldment 4, bumper assembly 1, aviation socket 7,8, babinet weldering
Fitting 2, front door assembly 3.
The rubber cushion 20 that is arranged in Fig. 2-3,21,22 be that the installation of aviation socket and babinet 200 is fixed used in damping.
Above structure can also embody following characteristic：
2. thermal design
To ensure that data storage reliably working under severe temperature environment, thermal adaptability technology are need to solve one
Item key technology.Equipment requirement operating temperature is at -10 DEG C~+50 DEG C, and storage temperature is at -25 DEG C~+70 DEG C, therefore the present invention adopts
Temperature control is realized with temperature control sensor and electric heater unit.
Thermal design technology is shown in Fig. 2-4, wherein the component indicated has temperature controller transition piece 27, temperature controller holder 32, wind
Machine 28, freeze module radiator 30, fixed corner fittings 14, heating plate 24, heating plate pillar 23, bottom cover 19, support bar 13, SUN6100
Disk shakes.
In the interior bottom of babinet or side portion, it is fixed with electric boiling plate；Temperature controller is set in case, is located at disk rear portion；Temperature control
Instrument is preset with start-up temperature, and starting electric boiling plate automatically when temperature of the temperature inside the box less than setting carries out in advance box house
Heat, design preheating time are less than 10 minutes；Then start wind turbine automatically when higher than the temperature of setting, accelerates cross-ventilation, babinet
On ventilating board for radiate and convection current.In the range of noise and power consumption allow, blower ventilation amount and appropriate increase are increased
Wind turbine quantity rationally designs convection current wind path, maintains and reinforces the perforation of cabinet entirety wind path, ventilation is equipped in four sides of cabinet
Distinguished and admirable guide plate is installed in plate, internal appropriate location, realizes cooling air directed flow.
3. anti-vibration is designed with shock resistance
Anti-vibration and the major design index that shock resistance design is equipment, take effective anti-vibration and impact measure, it is ensured that
Equipment meet technology require in vibration, impact condition.Specific measure is：
1) it outside cabinet, is fixed by mounting seat and ground, ensures cabinet stabilization and buffering vibration and punching relatively
It hits.
2) in cabinet, a backing board is installed in memory bottom, and pad is equipped with 4 groups of dampers between backing board and babinet, main
It executes vertically to vibration damping.In the side of memory, between babinet be also equipped with damper using the same manner (sees not in figure
Go out), execute lateral vibration absorbing.Damper generally selects rubber mass cushion blocking.
Or connected by the way of damping ring between the side and babinet of memory, execute lateral vibration absorbing, this shape
The damper of formula can both play the role of that vibration damping is gentle to be hit, and also maintain whole machine balancing, flexible connection
Effectiveness in vibration suppression is more preferable than the effect of rigid connection, has resonance effect.
3) external connection cable is vibrated part easy to fall off, under the physical environment for having vibratory impulse, common electrical connector
Poor reliability, and the high connector of reliability is pacified on intensive board and be can not load.Therefore to Internal cable, with memory
One end of connection is connected using crystal head, and fixation metal clip (also crying with wire clamp) is mounted on crystal head, metal clip folder
On the fixing piece of memory；In one end that cable is connect with socket then by the way of fixed weld.
4) all cables are provided with fixation wire clamp and special cabling channel, it is ensured that cable will not be caused in vibratory impulse
It loosens, connector all selects military aviation connector.
5) discrete component of memory inside circuit board is fixed using the method for point special glue, and special glue refers to 1345
Glue.
4. moisture-proof, salt spray proof, mould proof design (three-proof design)
In high temperature, high humidity, hypersaline environment, wet, hot, salt gas can enter memory devices by cabinet ventilation hole.It is right
Equipment is caused to corrode and be born water, and influences the normal work of equipment, it is therefore necessary to carry out effective three-proof design to system：
1) damp-proof treatment is all carried out before assembling memory inside circuit board, method is spray three proofings paint；
2) all installation standard components select stainless steel；
3) discrete component of internal circuit board is fixed using point 1345 glue of special glue；
4) tank material selects aluminium alloy, inner wall to carry out tertiary treatment, i.e., successively passes through sandblasting, plating on the basis of aluminium alloy
Nickel, the measure for applying anti-decaying paint make its moisture-proof, salt spray proof, mould proof.
5. EMC Design
Warship carries out electricity with the design focal point of data storage electromagnetic compatibility in the shell and cable to warship data storage
Magnetic Design of Compatibility, technologies, the emphasis such as comprehensive utilization shielding, filtering, ground connection optimize the inhibition of RE102 and CE101 and set
Meter ensures Electro Magnetic Compatibility index (according to being provided in GJB151A-97：RE102 refers to the transmitting of 10kHz~18GHz electric field radiations,
CE101 refers to 25Hz~10kHz power cords conducted emission).
1) shielding design
Warship is ensured with data storage shielding design mainly by shielding case and cable shield.Shielding be divided into electric field shielding and
The high conductive material with good electric field shielding performance, magnetic field shielding performance is selected in magnetic field shielding, babinet shielding.Concrete measure
It is as follows：
A) babinet and ventilating board select the aluminum alloy materials of high conductivity to be made.
B) conductive processing is used in tank surface, and electric field is effectively solved using the method for conductive wadding at connection gap
The problem of shielding.Surface conductance processing refers to that the process procedure (nickel plating) of electric conductive oxidation is carried out before spray painting；The conductive liner is added to refer to
Between frame and each side cover plate and between side cover plate and ventilating board at lap gap, sandwiched is gone back in addition to using screw connection
One layer of conductive wadding (or sealing joint strip) carries out electromagnetic compatibility shielding.
C) babinet air inlet sets slim shielding ventilating board, and ventilating board uses aluminium alloy plate.
D) sandwiched conductive material realizes that the electricity with babinet seals between aviation socket and box cover plate：Due to metal surface
Between out-of-flatness, there are rough gaps, by using the conduction that aluminium is silver-plated between aviation socket and box cover plate
Rubber skin increases transition connection, improves electromagnetic sealing and shielding.
E) install shield glass additional on babinet front panel, for observe the inside interchanger working condition, shield glass and
Epoxy conducting adhesion is used between front panel, can effectively prevent the leakage of electromagnetic wave in this way.
2) filter design
Filter design is as shown in Figure 2-5, and the component identified in figure has filter 29, filter pad 33, fixed block 16, side cover
18, fixed block 15, turbofan 25.
A) power input is equipped with military DC filter, has excellent common mode and differential mode rejection ability, to power supply
Line has good inhibiting effect to spike interference；Filter is connected to power input, is fixed on electrically-conducting metal surface, position
It rests against at nearly power import.
B) filter outputs and inputs line and is all made of shielding line, and detaches cabling, forbids to band together, avoid the formation of back
Road.
C) filter ensures that ground connection is good.
3) cable radiation inhibits
A) power cord uses shielded wire；
B) cable shield is by selecting shielded cable, twisted-pair cable, being solved to cable rational deployment and wave prevention sleeve；
It refers to increasing the housing of metal material outside cable rubber to add wave prevention sleeve, plays electromagnetic radiation inhibiting effect；
Cable rational deployment refers to being detached according to forceful electric power light current when cabinet inside is connected up, and alternating current is electrically separated with direct current,
The principle of signal strength subregion wiring is designed, and filter is arranged in alternating current inlet wire input terminal as possible.
C) it installs EMI additional on cable and inhales the elimination spike interference of wave magnet ring.Suction wave magnet ring is standard component, finished product purchased in market.
4) grounding design
Independent casing is set and signal ground.
In summary all design principles, it can be seen that the present invention both strengthens memory in structure, improves stabilization
Property, and disclosure satisfy that the requirements such as moisture-proof, high temperature-proof, vibration proof, anti-tampering.
The assembling reinforcement means of the equipment of above structure is：
1) chassis frame, each side cover plate, panel, ventilating board and bottom plate are successively passed through to sandblasting, plating before assembling first
Nickel applies anti-decaying paint；
2) frame set is welded, then installation side plate, cover board, bottom plate is shielded with frame lap-joint using conductive gasket；The bottom of at
Heating device, wind turbine, outside dress mounting seat are installed on plate；
3) before assembling, by circuit board, first all spray three proofings paint, the discrete component of circuit board use point 1345 to memory
The method of glue is fixed；Cable access host is furnished with fixation wire clamp on cable, and the cable being connect with host is all using crystal head
And fixation metal clip is installed on crystal head, power cord accesses simultaneously；
4) memory host is fixed in bottom and side by damper in box baseplate；
5) upper cover plate is fixed on frame, upper cover plate is shielded with frame lap-joint using conductive gasket；Then aviation is inserted
Seat board is fixed by screws on box cover plate, the silver-plated conductive rubber of sandwiched aluminium between aviation socket plate and upper cover plate
Skin；
6) cable welding access aviation socket plate；
7) front door, side plate are assembled, is connected using screw, install conductive gasket at lap gap additional, can also added on front panel
Shield glass is filled, epoxy conducting adhesion is used between shield glass and front panel；Ventilating board, ventilating board opening are installed on side cover plate
Downward；
8) babinet complete package.
In the above method, power cord incoming end is equipped with filter, and filter outputs and inputs line and is all made of shielding line, and divides
From cabling, filter reliable ground.
Increase wave prevention sleeve in the above method, outside all cables, and all cables are detached according to forceful electric power light current, alternating current with
Direct current is electrically separated, the principle arrangement of signal strength subregion wiring.
The present invention can take business machine effective thermal design, three-proof design, anti-vibration and impact the measures such as design, make
Equipment is suitable for warship adverse circumstances as defined in related military standard；Shielding, filtering, ground connection can be comprehensively utilized to business machine
Etc. technical measures, make it have good Electro Magnetic Compatibility.
Claims (8)
1. a kind of warship data storage device, it is characterised in that：Mainly deposited by babinet, aviation socket plate, mounting seat and data
Reservoir forms, it is characterised in that：
Babinet is made of aluminium alloy, and installs ventilating board additional in top of the box；
Cabinet wall nickel plating simultaneously applies anti-decaying paint；
Pedestal is fixedly mounted in babinet outer bottom, and shockproof lower margin is equipped between mounting seat and babinet, and bolt is used between ground
It is fixed；Mounting seat is symmetrically distributed in 4 positions of the bottom of box by adding four damping lower margins to make on two steel plates；
In babinet, damper is respectively connected between bottom and side and data storage；
It is provided with conductive wadding at each connection gap of babinet；
The conductive rubber skin that sandwiched aluminium is silver-plated between aviation socket plate and babinet increases transition connection；
There is cable to connect between aviation socket plate and data storage and have corresponding external interface, cable connects with data storage
The one end connect is connected using crystal head, and fixation metal clip is mounted on crystal head；One end that cable is connect with socket
By the way of fixed weld；
All spray moisture-proof anticorrosive paints data storage internal circuit board；
The equipment further includes a set of hot systems, has temperature controller, wind turbine, refrigeration module radiator, heating plate, temperature controller to be preset with startup
Temperature starts heating plate and is preheated to box house, designs preheating time automatically when temperature of the temperature inside the box less than setting
Less than 10 minutes；Then start wind turbine when the temperature inside the box is higher than the temperature set, distinguished and admirable guide plate is installed in case；
Babinet includes chassis frame and panel, cover board, and wherein chassis frame is molded in a manner of welding, panel, cover board and frame
Between all use high-strength screw connect, while seam crossing using conductive liner sealing；Install ventilating board additional on upper cover plate, before
Fixing platform screen doors on plate, connect with hinge.
2. warship data storage device according to claim 1, it is characterised in that：Data storage selects Sun6100 disks
Battle array.
3. warship data storage device according to claim 1 or 2, it is characterised in that：The clear position in cabinet, also pacifies
Fill distinguished and admirable guide plate, air stream is towards air outlet.
4. warship data storage device according to claim 1, it is characterised in that：The equipment further includes power supply, power supply
Input terminal is equipped with DC filter, and filter outputs and inputs line and is all made of shielding line, and detaches cabling, and filter well connects
Ground.
5. warship data storage device according to claim 4, it is characterised in that：The data storage and the filtering
Device is connected by power cord；The power cord uses shielded cable, twisted-pair cable and wave prevention sleeve；Cable is in babinet
Portion's wiring is detached according to forceful electric power light current, and alternating current is electrically separated with direct current, and the principle of signal strength subregion carries out.
6. a kind of assembling reinforcement means according to one of Claims 1 to 5 warship data storage device, which is characterized in that
Include the following steps：
1) chassis frame, cover board, panel, ventilating board and bottom plate are successively passed through to sandblasting before assembling, nickel plating, apply anti-decaying paint；
2) frame set is welded, then mounting base, bottom plate is shielded with frame lap-joint using conductive gasket；Installation adds on bottom plate
Mounting seat is installed on the outer surface of bottom plate by thermal, wind turbine；
3) before assembling, by circuit board, first all spray three proofings paint, the discrete component of circuit board use 1345 glue of point to memory
Method is fixed；Cable incoming memory host is furnished with fixation wire clamp on cable, and the cable being connect with memory is all using water
Crystal-tipped simultaneously installs fixation metal clip on crystal head, and power cord accesses simultaneously；
4) memory host is fixed in bottom and side by damper in box baseplate；
5) upper cover plate is fixed on frame, upper cover plate is shielded with frame lap-joint using conductive gasket；Then aviation socket plate
It is fixed by screws on box cover plate, the silver-plated conductive rubber skin of sandwiched aluminium between aviation socket plate and upper cover plate；
6) cable welding access aviation socket plate；
7) panel, cover board are assembled, is connected using screw, installed conductive gasket at lap gap additional, install shielding glass on front panel additional
Glass uses epoxy conducting adhesion between shield glass and front panel；
8) babinet complete package.
7. assembling reinforcement means according to claim 6, which is characterized in that power cord incoming end is equipped with filter, filtering
Device outputs and inputs line and is all made of shielding line, and detaches cabling, filter reliable ground.
8. assembling reinforcement means according to claim 7, which is characterized in that increase wave prevention sleeve, and institute outside all cables
There is cable to be detached according to forceful electric power light current, alternating current is electrically separated with direct current, the principle arrangement of signal strength subregion wiring.
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| CN105698778A (en) * | 2016-03-24 | 2016-06-22 | 南京铁道职业技术学院 | Three-dimensional magnetic resistance type electronic compass and method |
| CN107295427A (en) * | 2017-08-17 | 2017-10-24 | 南宁市振永科技有限公司 | Easy-to-dismount distributing frame is used in a kind of smart home wiring |
| CN107577300A (en) * | 2017-10-16 | 2018-01-12 | 北京星网船电科技有限公司 | A kind of comprehensive control equipment based on CPCI frameworks reinforces cabinet |
| CN110212918A (en) * | 2019-06-25 | 2019-09-06 | 中国科学院武汉物理与数学研究所 | A kind of outer layer temperature control and magnetic shielding device for Rb atom frequency marking |
| CN111343066B (en) * | 2020-03-18 | 2022-03-01 | 中国舰船研究设计中心 | Anti-interference design method of power distribution information acquisition device |
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| WO2004054072A1 (en) * | 2002-12-12 | 2004-06-24 | Gianfranco Bianchi | Cooled electrical generator |
| CN202281968U (en) * | 2011-08-29 | 2012-06-20 | 青岛海德威科技有限公司 | Electromagnetic shielding electronic chart cabinet |
| CN203482526U (en) * | 2013-10-04 | 2014-03-12 | 中国船舶重工集团公司第七一二研究所 | Marine shielding reinforcing subrack |
| CN203773444U (en) * | 2014-03-21 | 2014-08-13 | 山东超越数控电子有限公司 | Shipboard ruggedized computer structure |
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