CN107889439A - A kind of low-and high-frequency electromagnetic screen with shockproof function - Google Patents
A kind of low-and high-frequency electromagnetic screen with shockproof function Download PDFInfo
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- CN107889439A CN107889439A CN201710887270.2A CN201710887270A CN107889439A CN 107889439 A CN107889439 A CN 107889439A CN 201710887270 A CN201710887270 A CN 201710887270A CN 107889439 A CN107889439 A CN 107889439A
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- frequency electromagnetic
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- 238000013016 damping Methods 0.000 claims abstract description 33
- 230000005670 electromagnetic radiation Effects 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000010276 construction Methods 0.000 claims abstract description 11
- 230000035939 shock Effects 0.000 claims description 56
- 239000006096 absorbing agent Substances 0.000 claims description 29
- 229910052751 metal Inorganic materials 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 22
- 230000005611 electricity Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 239000008393 encapsulating agent Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000008093 supporting effect Effects 0.000 claims description 6
- 239000000872 buffer Substances 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 12
- 229910052802 copper Inorganic materials 0.000 description 12
- 239000010949 copper Substances 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
- H05K9/0007—Casings
- H05K9/0049—Casings being metallic containers
-
- 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
- H05K9/0007—Casings
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0234—Feet; Stands; Pedestals, e.g. wheels for moving casing on floor
-
- 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
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/18—Construction of rack or frame
-
- 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
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
-
- 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
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
- H05K7/20736—Forced ventilation of a gaseous coolant within cabinets for removing heat from server blades
-
- 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
- H05K9/0007—Casings
- H05K9/0009—Casings with provisions to reduce EMI leakage through the joining parts
-
- 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
- H05K9/0007—Casings
- H05K9/0015—Gaskets or seals
-
- 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
- H05K9/0007—Casings
- H05K9/005—Casings being nesting containers
Abstract
The present invention relates to electromagnetic compatibility and shield technology field, specifically disclose a kind of low-and high-frequency electromagnetic screen with shockproof function, including the low-and high-frequency electromagnetic casing screen for shielding low-and high-frequency electromagnetism spoke, for damping vibration and shockproof frame assembly, the electrical grounding component for being grounded and eliminating electrostatic of fixed installation low-and high-frequency electromagnetic casing screen, low-and high-frequency electromagnetic casing screen is all fixed in shockproof frame assembly, and one end of each low-and high-frequency electromagnetic casing screen and electrical grounding component is electrically connected with.The present invention shields double faraday cups by low-and high-frequency and coordinates double faraday cup electrical short components, and combine anti-electromagnetic radiation door, electrostatic nationality caused by electromagnetic radiation is imported into the earth by earthing or grounding means, low-and high-frequency electromagnetic radiation is set all to be shielded, improve the Electromgnetic seat protective capacities to electronic equipment, make low-and high-frequency shielding construction that there is shockproof and temp regulating function by shockproof frame assembly and cooling device, and it is simple in construction with it is practical.
Description
Technical field
The present invention relates to electromagnetic compatibility and shield technology field, and in particular to a kind of low-and high-frequency electromagnetism with shockproof function
Screening arrangement.
Background technology
Shield machine foundations present principles design from faraday cup, in the case where not shielding, our electronic equipment
It can be influenceed by thunder discharge or indirect artificial strong electromagnetic source, cause electronic communication equipment can not work or damage.
Specific safeguard procedures：Using electromagnetic armouring structure, and reliable ground, an equipotential body is so formed, by external electromagnetism
Interference barrier outside, and make inside equipment caused by electromagnetic wave barrier including, electromagnetic interference can be shielded.But existing electromagnetic screen
Technology is covered mostly to the effective iron plate sealing structure of low frequency, it is low for high frequency electromagnetic radiation shield effectiveness, it is effective to low frequency, to height
Frequency is difficult to reach requirement.The similar facility of some specific demands is considered simultaneously in motion process, because impact endurance test shock protection is arranged
Apply imperfection and cause influence to electronic equipment etc..
The content of the invention
In view of this, it is necessary to for it is above-mentioned the problem of, propose it is a kind of with shockproof function low-and high-frequency electromagnetic shielding fills
Put, for loading electronic equipment and reaching the purpose of electromagnetic protection, and there is cooling system, can guarantee that electronic equipment in suitable temperature
Worked under the conditions of degree, and have in moving process and slow down impact and shockproof function.
To achieve the above object, the present invention takes following technical scheme：
A kind of low-and high-frequency electromagnetic screen with shockproof function, it is characterised in that including at least one low-and high-frequency electricity
Magnetic screen casing, shockproof frame assembly and electrical grounding component；
The low-and high-frequency electromagnetic casing screen is all fixed in shockproof frame assembly；
The low-and high-frequency electromagnetic casing screen is used to shield low-and high-frequency electromagnetic radiation；
The shockproof frame assembly is used for damping vibration and low-and high-frequency electromagnetic casing screen is fixedly mounted；
One end of each low-and high-frequency electromagnetic casing screen and electrical grounding component is electrically connected with, electrical grounding component
The other end ground connection, electrical grounding component be used for be grounded and eliminate electrostatic.
Further, the low-and high-frequency electromagnetic casing screen includes radioshielding faraday cup component, low frequency shielding farad
Basket assembly, double faraday cup electrical short components, low-and high-frequency shielding door component；
Double faraday cup electrical short component fixed covers located at radioshielding faraday cup component periphery, and with height
Frequency shielding faraday's basket assembly is electrically connected with, for balancing the potential difference between high and low frequency shielding faraday's basket assembly, with
And high and low frequency shielding faraday's basket assembly is subjected to installation fixation；
The radioshielding faraday cup component is used to shield high frequency electromagnetic radiation；
Low frequency shielding faraday's basket assembly fixed cover is located at double faraday cup electrical short components peripheries, and with it is double
Faraday cup electrical short component is electrically connected with, for shielding low frequency electromagnetic radiation；
One end of the electrical grounding component and radioshielding faraday cup component, low frequency shielding faraday's basket assembly and/
Or double faraday cup electrical short components are electrically connected with, its other end ground connection；
The low-and high-frequency shielding door component is located at radioshielding faraday cup component and low frequency shielding faraday's basket assembly
On the aperture of door of the same side, for shielding low-and high-frequency electromagnetic radiation.
Further, radioshielding faraday cup component is between 64.95%IACS to 108.5%IACS using electrical conductivity
Between metallic sheet material radioshielding faraday cup component；
The low frequency shielding faraday basket assembly is between 400000Hm-1 using magnetic conductivity between 5000Hm-1
Metallic sheet material low frequency shielding faraday's basket assembly.
Further, double faraday cup electrical short components are double faraday cup electrical shorts using metallic grid structure
Component；
The surface of internal cavity of the peripheral surface of double faraday cup electrical short components and low frequency shielding faraday's basket assembly
Carry out multi-point electric connection；
The surface of internal cavity of double faraday cup electrical short components and the peripheral surface of radioshielding faraday cup component
Carry out multi-point electric connection.
Further, the low-and high-frequency electromagnetic casing screen also includes at least one double wave conduit tube component, double wave conduit group
Radioshielding faraday cup component, low frequency shielding faraday's basket assembly and double faraday cup electrical short groups are fixed in part insertion
Part, or insertion are fixed on and are electrically connected at low-and high-frequency shielding door component, for by cable or pipeline and meeting low-and high-frequency
The shielding requirements of electromagnetic radiation；
The double wave conduit tube component includes low frequency shielding waveguide and radioshielding waveguide, and low frequency shielding waveguide is arranged
In outside radioshielding waveguide；
The low frequency shielding waveguide carries out electrical short with low frequency shielding faraday basket assembly, for preventing low frequency electromagnetic
Leakage；
The radioshielding waveguide carries out electrical short with radioshielding faraday cup component, for preventing high-frequency electromagnetic
Leakage.
Further, the low-and high-frequency shielding door component includes low-and high-frequency shield door, the electric sealed elastic component of low-and high-frequency；
The electric sealed elastic component of low-and high-frequency is to use framework as the electric sealed elastic component of the low-and high-frequency of hollow,
Its surrounding edge when being fixed at low-and high-frequency shield door, shutdown make its another side shield faraday's basket assembly with low frequency
It is in close contact, the electric sealed elastic component of low-and high-frequency is used for the electromagnetic leakage for preventing low-and high-frequency shield door；
The side of the low-and high-frequency shield door is articulated with the side of the aperture of door of low frequency shielding faraday's basket assembly, low-and high-frequency screen
Door is covered to be used to shield low-and high-frequency electromagnetic radiation.
Further, the low-and high-frequency electromagnetic casing screen is additionally provided with doorframe excess metal structure；
The doorframe excess metal structure is to use section for fluted body and be distributed in the doorframe excess metal on aperture of door periphery
Structure, for shielding the electromagnetic radiation of crack between a door and its frame, prevent electromagnetic leakage；
The low-and high-frequency shielding door component also includes being electromagnetically shielded elastic inserted sheet；
The elastic inserted sheet of the electromagnetic shielding is to use electromagnetism of the section for metal structure that convex and framework are hollow
Elastic inserted sheet is shielded, its baseplane is fixedly installed in the surrounding edge of low-and high-frequency shield door one side and electrically sealed located at low-and high-frequency
By elastic parts, for shielding the electromagnetic radiation of crack between a door and its frame, electromagnetic leakage is prevented；
The elastic inserted sheet of electromagnetic shielding is with doorframe excess metal structure in mutual male-female engagement at closing time.
Further, the low-and high-frequency electromagnetic screen with shockproof function also includes cooling device；
The housing of the cooling device is electrically connected with using double faraday cup structures with electrical grounding component；
The cooling device is fixed in shockproof frame assembly, the lateral surface and a height of the cooling device
Installation connection, another lateral surface and the shockproof frame of the cooling device is fixed in one lateral surface of frequency electromagnetic casing screen
Installation connection is fixed in one medial surface of frame component；
The preceding bottom of the low-and high-frequency electromagnetic casing screen or a sidepiece are provided with least one cold air input channel and thereafter
Top or the other side are provided with least one hot gas output channel；
The cold air delivery outlet of each cold air input channel and cooling device forms the first air flow channel；
The hot gas input port of each hot gas output channel and cooling device forms another second air flow channel；
The cooling device is used to adjust the environment temperature in each low-and high-frequency electromagnetic shielding box body；
The encapsulant of anti-gas-leak electromagnetic leakage is provided between first air flow channel and external environment condition；
The encapsulant of anti-gas-leak electromagnetic leakage is provided between second air flow channel and external environment condition.
Further, the shockproof frame assembly includes outer framework, elastic shock attenuation component, inner frame；
The outer framework is hollow cabinet shape structure, and the installation frame as elastic shock attenuation component is used for nationality by elastic shock attenuation group
Part carries inner frame；
The inner frame is hollow cabinet shape structure in outer framework, is set for installing, carrying, fixing or placing electronics
Standby and low-and high-frequency electromagnetic casing screen, and interacted with elastic shock attenuation component；
One end of the elastic shock attenuation component is fixedly mounted or is connected on the interior wall construction of outer framework, elastic shock attenuation component
The other end be fixedly mounted or be connected on the outer wall construction of inner frame, elastic shock attenuation component is used for bumper and absorbing shock so as in protecting
Low-and high-frequency electromagnetic casing screen and electronic equipment in framework.
Further, the elastic shock attenuation component includes at least three damping spring parts, at least four elastic spacing ones, extremely
Longitudinal shock absorber part, at least one right side longitudinal direction shock absorber part on the left of few one；
One end of bottom and at least one damping spring part in the outer framework carries out clamping or is fixedly mounted to connect, its
The other end carries out clamping or is fixedly mounted to connect with the bottom surface outside inner frame；
One end of left side and at least one damping spring part in the outer framework carries out clamping or is fixedly mounted to connect,
Its other end carries out clamping or is fixedly mounted to connect with the left surface outside inner frame；
One end of right side and at least one damping spring part in the outer framework carries out clamping or is fixedly mounted to connect,
Its other end carries out clamping or is fixedly mounted to connect with the right flank outside inner frame；
The damping spring part is used to carry inner frame and buffers horizontal and vertical vibrations；
Top surface, bottom surface, left surface and right flank in the outer framework are all fixed with least one elastic spacing one；
The elastic spacing one is spacing for the transverse direction to inner frame and vertical deviation progress, avoids the displacement of inner frame from surpassing
Go out the elastic limit position of damping spring part；
One end of left side longitudinal direction shock absorber part is fixed at the left surface in outer framework, the longitudinal shock absorber part in the left side it is another
One end is fixed at the left surface outside inner frame, and left side longitudinal direction shock absorber part is used for the inclination for preventing inner frame longitudinal direction, buffering longitudinal direction
Vibrations；
One end of right side longitudinal direction shock absorber part is fixed at the right flank in outer framework, the longitudinal shock absorber part in the right side it is another
One end is fixed at the right flank outside inner frame, and right side longitudinal direction shock absorber part is used for the inclination for preventing inner frame longitudinal direction, buffering longitudinal direction
Vibrations.
Further, the outer framework also includes at least three shockproof wheels of supporting；
The supporting is shockproof to take turns the bottom surface for being fixed at outer framework, for making outer framework or having the height of shockproof function
Frequency electromagnetic screen slide displacement.
Beneficial effects of the present invention are：
A kind of low-and high-frequency electromagnetic screen with shockproof function of the present invention, double faraday cups are shielded by low-and high-frequency
Coordinate double faraday cup electrical short components, and combine anti-electromagnetic radiation door, by electrostatic nationality caused by electromagnetic radiation by
Earthing or grounding means imports the earth, the low-and high-frequency electromagnetic radiation of electronic equipment is all shielded, substantially increases to electronic equipment
Electromgnetic seat protective capacities, its cooling device make have temp regulating function in low-and high-frequency shielding case body, pass through shockproof frame set
Part structure has a shockproof function, and it is simple in construction with it is practical.
Brief description of the drawings
Fig. 1 is the principle schematic that radiated electromagnetic wave of the present invention projects metallic plate；
Fig. 2 is the principle schematic that radiated electromagnetic wave of the present invention projects copper coin and iron plate；
Fig. 3 is a kind of schematic perspective view of low-and high-frequency electromagnetic casing screen of the present invention；
Fig. 4 is a kind of schematic cross-sectional view in the A-A directions of tool low-and high-frequency electromagnetic casing screen of the present invention；
Fig. 5 is the connection diagram of the double wave conduit tube component of the present invention；
Fig. 6 is schematic perspective view of the low-and high-frequency shielding door component with doorframe excess metal structure of the present invention；
Fig. 7 is a kind of schematic perspective view of low-and high-frequency electromagnetic screen with shockproof function of the present invention；
Fig. 8 is the structure and assembling schematic diagram of the right side longitudinal direction shock absorber part of the present invention；
Fig. 9 is a kind of low-and high-frequency electromagnetic screen with shockproof function of the present inventionCLocate enlarged partial sectional view；
Figure 10 is a kind of low-and high-frequency electromagnetic screen with shockproof function of the present inventionBLocate partial enlargement signal
Figure；
Figure 11 is the first air flow channel of the present invention and the structural representation of the second air flow channel；
Figure 12 is connection diagram of the left side longitudinal direction shock absorber part with right side longitudinal direction shock absorber part of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the embodiment of the present invention, to this hair
Bright technical scheme is made further clearly and completely to describe.It should be noted that described embodiment is only the present invention one
Section Example, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out under the premise of creative work the every other embodiment obtained, belong to the scope of protection of the invention.
It is to be appreciated that term " on ", " under ", "front", "rear", "left", "right", " level ", " top surface ", " left part ",
" right part ", " centre ", " bottom surface ", " left surface ", " right flank ", " periphery ", " sidepiece ", " surrounding ", " outer edge ", " edge ",
The orientation or position relationship of the instruction such as " side ", " bottom ", " interior " are based on orientation shown in the drawings or position relationship, merely to just
In the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Embodiment
According to the requirement of relevant national standard and specification, electromagnetic shielding processing is carried out to electronic equipment and information centre, electricity
Magnetic screen index is as follows：
The shield effectiveness index of electromagnetic shielding system see the table below：
| Frequency range | Shield effectiveness |
| 100Hz~20MHz | ≥80dB |
| 20MHz~1GHz | ≥100dB |
| 1GHz~12.4GHz | ≥100dB |
The present invention is from the interference for preventing external electromagnetic ripple and prevents the leakage of information from carrying out the design of electromagnetic shielding system,
To meet the requirement of above-mentioned shielding index.
As shown in figure 1, projecting the radiated electromagnetic wave of metallic plate can be reflected and be decayed；
The calculating formula of shield effectiveness is：SE=R+A；
In formula：SE --- shield effectiveness (dB)；
R --- reflection loss (dB)；
A --- absorption loss (dB)；
Reflection loss R can be calculated by following formula：
Absorption loss A can be calculated by following formula：
In formula：G --- the electrical conductivity (G=1 of copper, the G=0.61 of aluminium, the G=0.17 of iron) on the basis of copper, in detail number
According to being shown in Table 7-1；
μ --- relative to the relative permeability of free space；Detailed data is shown in Table 7-1；
D --- shielding thickness；
The frequency of f --- electromagnetic wave, unit Hz；
Table 7-1：《G, μ value of copper, aluminium, iron in different frequency scope》
The various metal materials of variety classes, different-thickness can be calculated in each frequency by above calculation formula and table 7-1
The shield effectiveness of point.
As shown in Fig. 2 according to calculating and the mounting structure feature of metal shield, the present invention is preferentially using 1.5mm thickness
The copper plate of cold rolling iron plate and 1.0mm thickness makees double-level-metal shielding construction；Design objective can reach in 60Hz~12.4GHz scopes
Its interior shield effectiveness is more than more than 100dB；
Above design and select material is carried out below checking is calculated as below：
The shield effectiveness (SE2) of shield effectiveness (SE1)+copper coin of total shield effectiveness (SE)=iron plate, i.e.,：
SE=SE1+SE2,
1. shield effectiveness during 100Hz,
SE1=R1+A1
=108.2+10Log0.17 × 106/ (1000 × 100)+131.4 × 1.5 × 10-3 √ 0.17 × 1000 ×
100
=116.2 (dB)
SE2=R2+A2
=108.2+10Log1 × 106/ (1 × 100)+131.4 × 1 × 10-3 √ 1 × 1 × 100
=149.5 (dB),
Therefore, total shield effectiveness SE=SE1+SE2=265.7 (dB), meet to require,
2. the shield effectiveness in 1MHz,
Tried to achieve by above-mentioned calculating：
Total shield effectiveness SE=2461.6 (dB), meet to require,
3. the shield effectiveness in 100MHz,
Tried to achieve by above-mentioned calculating：
Total shield effectiveness SE=9589.2 (dB), meet to require,
4. the shield effectiveness in 10GHz,
Tried to achieve by above-mentioned calculating：
Total shield effectiveness SE=21396.7 (dB), meet to require,
Checking is calculated more than, design objective can be fully achieved in the selection of present invention electromagnetic shielding metal shield material will
Ask,
In order to ensure that cable, pipeline etc. can enter in screening arrangement and meet shielding requirements, it is therefore necessary to air port or enter
Pipeline mouth carries out waveguide processing, and waveguide mouth forms a wave guide by the square waveguide of many go-no-gos, to ensure
Enough air quantity or inlet wire amount.
As shown in figure 3, low-and high-frequency shield door 41 is double-level-metal shielding construction, i.e., by 1.5mm thickness cold rolling iron plates and 1.0mm
Thick copper plate double-level-metal encapsulating forms, and four sides on low-and high-frequency shield door 41 are respectively arranged with the copper tongue of convex, corresponding with copper tongue
Ground, in the groove on doorframe, two groups of relative finger-like kicker copper contact copper sheets are loaded onto, the finger-like kicker is made of beryllium-bronze,
With good elasticity, when shield door is closed, convex copper tongue is inserted between two groups of finger contacts pieces, forms shielding knot
Structure, it is electric good airproof performance the advantages of this structure, thus there is extraordinary shield effectiveness.
As shown in Fig. 3,7, a kind of low-and high-frequency electromagnetic screen with shockproof function includes at least one low-and high-frequency electricity
Magnetic screen casing 11, shockproof frame assembly 9 and electrical grounding component 5；
The low-and high-frequency electromagnetic casing screen 11 is all fixed at 9 in shockproof frame assembly；
The low-and high-frequency electromagnetic casing screen 11 is used to shield low-and high-frequency electromagnetic radiation；
The shockproof frame assembly 9 is used for damping vibration and low-and high-frequency electromagnetic casing screen 11 is fixedly mounted；
One end of each low-and high-frequency electromagnetic casing screen 11 and electrical grounding component 5 is electrically connected with, electrical grounding
The other end ground connection of component 5, electrical grounding component 5 are used to being grounded and eliminating electrostatic.
As shown in Fig. 3,4,5,6,7, the low-and high-frequency electromagnetic casing screen 11 include radioshielding faraday cup component 1,
Low frequency shielding faraday basket assembly 2, double faraday cup electrical short components 3, low-and high-frequency shielding door component 4；
Double fixed covers of faraday cup electrical short component 3 are peripheral located at radioshielding faraday cup component 1, and with
Radioshielding faraday cup component 1 is electrically connected with, for balance high frequency shielding faraday basket assembly 1 and low frequency shielding farad
Potential difference between basket assembly 2, and radioshielding faraday cup component 1 is shielded into faraday's basket assembly 2 with low frequency and carried out
Installation is fixed；
The radioshielding faraday cup component 1 is used to shield high frequency electromagnetic radiation；
The fixed cover of low frequency shielding faraday basket assembly 2 is peripheral located at double faraday cup electrical short components, and with
Double faraday cup electrical short components are electrically connected with, for shielding low frequency electromagnetic radiation；
One end of the electrical grounding component 5 and radioshielding faraday cup component 1, low frequency shielding faraday basket assembly 2
And/or double faraday cup electrical short components 3 are electrically connected with, its other end ground connection；
The low-and high-frequency shielding door component 4 is located at radioshielding faraday cup component 1 and low frequency shielding faraday basket assembly 2
The same side aperture of door on, for shielding low-and high-frequency electromagnetic radiation；
The radioshielding faraday cup component 1 is between 108.5%IACS using electrical conductivity between 64.95%IACS
Metallic sheet material radioshielding faraday cup component；
The low frequency shielding faraday basket assembly 2 is between 5000Hm using magnetic conductivity-1To 400000Hm-1Between
Metallic sheet material low frequency shielding faraday's basket assembly；
Double faraday cup electrical short components 3 are double faraday cup electrical short groups using metallic grid structure
Part；
The inner chamber table of the peripheral surface of double faraday cup electrical short components 3 and low frequency shielding faraday basket assembly 2
Face carries out multi-point electric connection；
The surface of internal cavity of double faraday cup electrical short components 3 and the peripheral table of radioshielding faraday cup component 1
Face carries out multi-point electric connection.
As shown in Fig. 3,5, the low-and high-frequency electromagnetic casing screen also includes at least one double wave conduit tube component, double wave conduit
It is electrically short with double faraday cups that radioshielding faraday cup component 1, low frequency shielding faraday basket assembly 2 are fixed in the insertion of component 6
Connected components 3, or insertion are fixed on and are electrically connected at low-and high-frequency shielding door component 4, for passing through cable or pipeline and satisfaction
The shielding requirements of low-and high-frequency electromagnetic radiation；
The double wave conduit tube component 6 includes low frequency shielding waveguide and radioshielding waveguide, low frequency shielding waveguide pipe sleeve
Outside radioshielding waveguide；
The low frequency shielding waveguide carries out electrical short with low frequency shielding faraday basket assembly 2, for preventing low-frequency electrical
Magnetic dispersion；
The radioshielding waveguide carries out electrical short with radioshielding faraday cup component 1, for preventing high-frequency electrical
Magnetic dispersion.
As shown in Fig. 6,7,9, the low-and high-frequency shielding door component 4 includes low-and high-frequency shield door 41, low-and high-frequency electrically seals
Elastic parts 42；
The electric sealed elastic component 42 of low-and high-frequency is to use framework as the electric sealed elastic group of the low-and high-frequency of hollow
Part, the surrounding edge when being fixed at low-and high-frequency shield door 41 of the electric sealed elastic component 42 of low-and high-frequency, shutdown make
The another side of the electric sealed elastic component 42 of low-and high-frequency is in close contact with low frequency shielding faraday basket assembly 2, the low-and high-frequency electricity
Hermetic seal elastic parts 42 is used for the electromagnetic leakage for preventing low-and high-frequency shield door；
The side of the low-and high-frequency shield door 41 is articulated with the side of the aperture of door of low frequency shielding faraday basket assembly 2, height
Frequency shield door 41 is used to shield low-and high-frequency electromagnetic radiation；
The low-and high-frequency electromagnetic casing screen 11 is additionally provided with doorframe excess metal structure 7；
The doorframe excess metal structure 7 is uses section for fluted body and is distributed in the doorframe excess metal on aperture of door periphery
Structure, for shielding the electromagnetic radiation of crack between a door and its frame, prevent electromagnetic leakage；
The low-and high-frequency shielding door component 4 also includes being electromagnetically shielded elastic inserted sheet 43；
The elastic inserted sheet 43 of the electromagnetic shielding is to use electricity of the section for metal structure that convex and framework are hollow
Magnetic screen elasticity inserted sheet, its baseplane be fixedly installed in the surrounding edge of the one side of low-and high-frequency shield door 41 and located at low-and high-frequency it is electric
By sealed elastic component 42, for shielding the electromagnetic radiation of crack between a door and its frame, electromagnetic leakage is prevented；
The elastic inserted sheet 43 of electromagnetic shielding is with doorframe excess metal structure 7 in mutual male-female engagement at closing time.
As shown in Fig. 7,11, the low-and high-frequency electromagnetic screen with shockproof function also includes cooling device 12；
The housing of the cooling device 12 is electrically connected with using double faraday cup structures with electrical grounding component 5；
The cooling device 12 is fixed in shockproof frame assembly 9, a lateral surface of the cooling device 12 and one
Installation connection, another lateral surface of the cooling device is fixed in one lateral surface of individual low-and high-frequency electromagnetic casing screen 12
Installation connection is fixed with a medial surface of shockproof frame assembly 9；
The preceding bottom of the low-and high-frequency electromagnetic casing screen 12 or a sidepiece are provided with least one He of cold air input channel 113
Thereafter top or the other side are provided with least one hot gas output channel 111；
Each cold air input channel 113 and the cold air delivery outlet 114 of cooling device 12 form the first air flow channel；
Each hot gas output channel 111 and the hot gas input port 112 of cooling device 12 form another second air flow channel；
The cooling device 12 is used to adjust the environment temperature in each low-and high-frequency electromagnetic casing screen 11；
The encapsulant of anti-gas-leak electromagnetic leakage is provided between first air flow channel and external environment condition；
The encapsulant of anti-gas-leak electromagnetic leakage is provided between second air flow channel and external environment condition；
The perforated area of cold air input channel 113 and hot gas output channel 111 can specifically be expanded according to engine request,
Cold air input channel 113 is set to practice into a cold cycling large through-hole with hot gas output channel 111.
As shown in Fig. 7,8,10,12, the shockproof frame assembly 9 also include outer framework 96, elastic shock attenuation component (including mark
Note 91,92,93 and 97), inner frame 95；
The outer framework 96 is hollow cabinet shape structure, and the installation frame as elastic shock attenuation component is used for nationality by elastic shock attenuation
Component carries inner frame 95；
The inner frame 95 is hollow cabinet shape structure, for installing, carrying, fixed or placement electricity located in outer framework 96
Sub- equipment and low-and high-frequency electromagnetic casing screen, and interacted with elastic shock attenuation component；
One end of the elastic shock attenuation component is fixedly mounted or is connected on the interior wall construction of outer framework 96, elastic shock attenuation group
The other end of part is fixedly mounted or is connected on the outer wall construction of inner frame 95, and elastic shock attenuation component is used for bumper and absorbing shock so as to protect
The low-and high-frequency electromagnetic casing screen and electronic equipment protected in inner frame 95；
Elastic shock attenuation component includes at least three damping spring parts 91, at least four elastic spacing ones 92, an at least one left side
Side longitudinal direction shock absorber part 97, at least one right side longitudinal direction shock absorber part 93；
One end of bottom and at least one damping spring part 91 in the outer framework 96 carries out clamping or the company of fixed installation
Connect, its other end carries out clamping or be fixedly mounted to connect with the bottom surface outside inner frame 95；
Left side and one end of at least one damping spring part 91 in the outer framework 96 carry out clamping or fixed installation
Connection, its other end carry out clamping or are fixedly mounted to connect with the left surface outside inner frame 95；
Right side and one end of at least one damping spring part 91 in the outer framework 96 carry out clamping or fixed installation
Connection, its other end carry out clamping or are fixedly mounted to connect with the right flank outside inner frame 95；
The damping spring part 91 is used to carry inner frame 95 and buffers horizontal and vertical vibrations；
Top surface, bottom surface, left surface and right flank in the outer framework 96 are all fixed with least one elastic spacing one
92；
The elastic spacing one 92 is spacing for the transverse direction to inner frame 95 and vertical deviation progress, avoids inner frame 95
Displacement exceeds the elastic limit position of damping spring part 91；
One end of left side longitudinal direction shock absorber part 97 is fixed at the left surface in outer framework 96, the longitudinal shock absorber part in the left side
97 other end is fixed at the left surface outside inner frame 95, and left side longitudinal direction shock absorber part 97 is used to prevent inclining for the longitudinal direction of inner frame 95
Tiltedly, longitudinal vibrations are buffered；
One end of right side longitudinal direction shock absorber part 93 is fixed at the right flank in outer framework 96, the longitudinal shock absorber part in the right side
93 other end is fixed at the right flank outside inner frame 95, and right side longitudinal direction shock absorber part 93 is used to prevent inclining for the longitudinal direction of inner frame 95
Tiltedly, longitudinal vibrations are buffered.
As shown in Figure 10, the outer framework 96 also includes the shockproof wheel 101 of at least three supportings；
The shockproof wheel 101 of supporting is fixed at the bottom surface of outer framework 96, for making outer framework 96 or having shockproof work(
The low-and high-frequency electromagnetic screen slide displacement of energy.
As shown in Fig. 7,8,12, the external right side face of inner frame 95 is provided with least one right groove structure 100；
Right side longitudinal direction shock absorber part 93 includes the second band and is oriented to axis hole connecting rod 931, the second left damping spring 932, the
The two right axis of guides 934 of damping spring 933 and second；
One end of second axis of guide 934 is fixed at the left surface of right groove structure 100, second axis of guide 934
The other end is fixed at the right flank of right groove structure 100；
Described second is provided with second with the one end for being oriented to axis hole connecting rod 931 is oriented to axis hole, and the second band is oriented to axis hole connection
The nationality of bar 931 is oriented to shaft hole sleeve by described second and passes through described second in the middle of second axis of guide 934, i.e. second axis of guide 934
It is oriented to axis hole；
The second left damping spring 932 is placed on the left part of second axis of guide 934, second left one end of damping spring 932 by
The left surface of right groove structure 100 is limited in, the second left other end of damping spring 932 is limited in the second band and is oriented to axis hole connection
Bar 931；
The second right damping spring 933 is placed on the right part of second axis of guide 934, second right one end of damping spring 933 by
The right flank of right groove structure 100 is limited in, the second right other end of damping spring 933 is limited in the second band and is oriented to axis hole connection
Bar 931；
Described second is fixedly connected with the other end for being oriented to axis hole connecting rod 931 with right flank in outer framework 10.
The outer left surface of the inner frame is provided with least one left groove structure 100；
Left side longitudinal direction shock absorber part includes first band and is oriented to axis hole connecting rod, the first left damping spring, the first right damping
Spring and first axis of guide；
One end of first axis of guide is fixed at the left surface of left groove structure, and its other end is fixed at left groove
The right flank of structure；
One end that the first band is oriented to axis hole connecting rod is provided with the first guiding axis hole, and first band is oriented to axis hole connecting rod nationality
Shaft hole sleeve, which is oriented to, by described first is oriented to axis hole through described first in the first axis of guide middle, i.e. first axis of guide；
The first left damping spring is placed on the left part of first axis of guide, and its one end is by the left side for being limited in left groove structure
Face, its other end are limited in first band and are oriented to axis hole connecting rod；
The first right damping spring is placed on the right part of first axis of guide, and its one end is by the right side for being limited in left groove structure
Face, its other end are limited in first band and are oriented to axis hole connecting rod；
The first band is oriented to left surface in the other end and outer framework of axis hole connecting rod and is fixedly connected.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (11)
1. a kind of low-and high-frequency electromagnetic screen with shockproof function, it is characterised in that including at least one low-and high-frequency electromagnetism
Shielding case body, shockproof frame assembly and electrical grounding component；
The low-and high-frequency electromagnetic casing screen is all fixed in shockproof frame assembly；
The low-and high-frequency electromagnetic casing screen is used to shield low-and high-frequency electromagnetic radiation；
The shockproof frame assembly is used for damping vibration and low-and high-frequency electromagnetic casing screen is fixedly mounted；
One end of each low-and high-frequency electromagnetic casing screen and electrical grounding component is electrically connected with, electrical grounding component it is another
One end is grounded, and electrical grounding component is used to being grounded and eliminating electrostatic.
2. the low-and high-frequency electromagnetic screen according to claim 1 with shockproof function, it is characterised in that the height
It is electrically short that frequency electromagnetic casing screen includes radioshielding faraday cup component, low frequency shielding faraday basket assembly, double faraday cups
Connected components, low-and high-frequency shielding door component；
Double faraday cup electrical short component fixed covers located at radioshielding faraday cup component periphery, and with high frequency screen
Faraday cup component is covered to be electrically connected with, for balancing the potential difference between high and low frequency shielding faraday's basket assembly, and will
High and low frequency shielding faraday's basket assembly carries out installation fixation；
The radioshielding faraday cup component is used to shield high frequency electromagnetic radiation；
Low frequency shielding faraday's basket assembly fixed cover is located at double faraday cup electrical short components peripheries, and with double farads
Cage electrical short component is electrically connected with, for shielding low frequency electromagnetic radiation；
One end of the electrical grounding component and radioshielding faraday cup component, low frequency shielding faraday's basket assembly and/or double
Faraday cup electrical short component is electrically connected with, its other end ground connection；
The low-and high-frequency shielding door component shields the same of faraday's basket assembly located at radioshielding faraday cup component and low frequency
On side door hole, for shielding low-and high-frequency electromagnetic radiation.
3. the low-and high-frequency electromagnetic screen according to claim 2 with shockproof function, it is characterised in that radioshielding
Faraday cup component is the high frequency screen using electrical conductivity between 64.95%IACS to the metallic sheet material between 108.5%IACS
Cover faraday cup component；
The low frequency shielding faraday basket assembly is between 5000Hm using magnetic conductivity-1To 400000Hm-1Between metal
Low frequency shielding faraday's basket assembly of plate material.
4. the low-and high-frequency electromagnetic screen according to claim 2 with shockproof function, it is characterised in that double faraday
Cage electrical short component is double faraday cup electrical short components using metallic grid structure；
The surface of internal cavity of the peripheral surface of double faraday cup electrical short components and low frequency shielding faraday's basket assembly is carried out
Multi-point is electrically connected with；
The surface of internal cavity of double faraday cup electrical short components is carried out with the peripheral surface of radioshielding faraday cup component
Multi-point is electrically connected with.
5. the low-and high-frequency electromagnetic screen according to claim 2 with shockproof function, it is characterised in that the height
Frequency electromagnetic casing screen also includes at least one double wave conduit tube component, and radioshielding faraday is fixed in the insertion of double wave conduit tube component
Basket assembly, low frequency shielding faraday's basket assembly and double faraday cup electrical short components, or insertion are fixed on and are electrically connected with
In low-and high-frequency shielding door component, for by cable or pipeline and meeting the shielding requirements of low-and high-frequency electromagnetic radiation；
The double wave conduit tube component includes low frequency shielding waveguide and radioshielding waveguide, and low frequency shielding waveguide is sheathed on height
Outside frequency shielding waveguide；
The low frequency shielding waveguide carries out electrical short with low frequency shielding faraday basket assembly, for preventing low frequency electromagnetic from letting out
Leakage；
The radioshielding waveguide carries out electrical short with radioshielding faraday cup component, for preventing high-frequency electromagnetic from letting out
Leakage.
6. the low-and high-frequency electromagnetic screen according to claim 2 with shockproof function, it is characterised in that low-and high-frequency screen
Covering a component includes low-and high-frequency shield door, the electric sealed elastic component of low-and high-frequency；
The electric sealed elastic component of low-and high-frequency is to use framework as the electric sealed elastic component of the low-and high-frequency of hollow, one
Face is fixed at the surrounding edge of low-and high-frequency shield door one side, and shutdown makes its another side and low frequency shielding faraday's basket assembly close
Contact, the electric sealed elastic component of low-and high-frequency are used for the electromagnetic leakage for preventing low-and high-frequency shield door；
The side of the low-and high-frequency shield door is articulated with the side of the aperture of door of low frequency shielding faraday's basket assembly, low-and high-frequency shield door
For shielding low-and high-frequency electromagnetic radiation.
7. the low-and high-frequency electromagnetic screen according to claim 6 with shockproof function, it is characterised in that the height
Frequency electromagnetic casing screen is additionally provided with doorframe excess metal structure；
The doorframe excess metal structure is to use section for fluted body and be distributed in the doorframe excess metal structure on aperture of door periphery,
For shielding the electromagnetic radiation of crack between a door and its frame, electromagnetic leakage is prevented；
The low-and high-frequency shielding door component also includes being electromagnetically shielded elastic inserted sheet；
The elastic inserted sheet of the electromagnetic shielding is to use electromagnetic shielding of the section for metal structure that convex and framework are hollow
Elastic inserted sheet, its baseplane are fixedly installed in the surrounding edge of low-and high-frequency shield door one side and are located at the electric sealed elastic of low-and high-frequency
By component, for shielding the electromagnetic radiation of crack between a door and its frame, electromagnetic leakage is prevented；
The elastic inserted sheet of electromagnetic shielding is with doorframe excess metal structure in mutual male-female engagement at closing time.
8. the low-and high-frequency electromagnetic screen according to claim 1 with shockproof function, it is characterised in that also including cold
But equipment；
The housing of the cooling device is electrically connected with using double faraday cup structures with electrical grounding component；
The cooling device is fixed in shockproof frame assembly, the lateral surface and a low-and high-frequency electricity of the cooling device
Installation connection, another lateral surface and the shockproof frame set of the cooling device is fixed in one lateral surface of magnetic screen casing
Installation connection is fixed in one medial surface of part；
The preceding bottom of the low-and high-frequency electromagnetic casing screen or a sidepiece are provided with least one cold air input channel and thereafter top
Or the other side is provided with least one hot gas output channel；
The cold air delivery outlet of each cold air input channel and cooling device forms the first air flow channel；
The hot gas input port of each hot gas output channel and cooling device forms another second air flow channel；
The cooling device is used to adjust the environment temperature in each low-and high-frequency electromagnetic shielding box body；
The encapsulant of anti-gas-leak electromagnetic leakage is provided between first air flow channel and external environment condition；
The encapsulant of anti-gas-leak electromagnetic leakage is provided between second air flow channel and external environment condition.
9. the low-and high-frequency electromagnetic screen according to claim 1 with shockproof function, it is characterised in that described shockproof
Frame assembly includes outer framework, elastic shock attenuation component, inner frame；
The outer framework is hollow cabinet shape structure, and the installation frame as elastic shock attenuation component is held for nationality by elastic shock attenuation component
Carry inner frame；
The inner frame be hollow cabinet shape structure in the outer framework, for installing, carrying, fixed or placement electronic equipment and
Low-and high-frequency electromagnetic casing screen, and interacted with elastic shock attenuation component；
One end of the elastic shock attenuation component is fixedly mounted or is connected on the interior wall construction of outer framework, elastic shock attenuation component it is another
One end is fixedly mounted or is connected on the outer wall construction of inner frame, and elastic shock attenuation component is used for bumper and absorbing shock so as to protect inner frame
Interior low-and high-frequency electromagnetic casing screen and electronic equipment.
10. the low-and high-frequency electromagnetic screen according to claim 8 with shockproof function, it is characterised in that elasticity subtracts
Shaking component includes at least three damping spring parts, at least four elastic spacing ones, at least one left side longitudinal direction shock absorber part, at least one
Individual right side longitudinal direction shock absorber part；
One end of bottom and at least one damping spring part in the outer framework carries out clamping or is fixedly mounted to connect, and its is another
End carries out clamping or is fixedly mounted to connect with the bottom surface outside inner frame；
One end of left side and at least one damping spring part in the outer framework carries out clamping or is fixedly mounted to connect, and its is another
One end carries out clamping or is fixedly mounted to connect with the left surface outside inner frame；
One end of right side and at least one damping spring part in the outer framework carries out clamping or is fixedly mounted to connect, and its is another
One end carries out clamping or is fixedly mounted to connect with the right flank outside inner frame；
The damping spring part is used to carry inner frame and buffers horizontal and vertical vibrations；
Top surface, bottom surface, left surface and right flank in the outer framework are all fixed with least one elastic spacing one；
Transverse direction and the vertical deviation progress that the elastic spacing one is used for inner frame are spacing, avoid the displacement of inner frame from exceeding and subtract
Shake the elastic limit position of spring part；
One end of left side longitudinal direction shock absorber part is fixed at the left surface in outer framework, the other end of the longitudinal shock absorber part in the left side
The left surface being fixed at outside inner frame, left side longitudinal direction shock absorber part are used for the inclination for preventing inner frame longitudinal direction, buffer longitudinal shake
It is dynamic；
One end of right side longitudinal direction shock absorber part is fixed at the right flank in outer framework, the other end of the longitudinal shock absorber part in the right side
The right flank being fixed at outside inner frame, right side longitudinal direction shock absorber part are used for the inclination for preventing inner frame longitudinal direction, buffer longitudinal shake
It is dynamic.
11. the low-and high-frequency electromagnetic screen according to claim 8 with shockproof function, it is characterised in that outer framework
Also include at least three shockproof wheels of supporting；
The supporting is shockproof to take turns the bottom surface for being fixed at outer framework, for making outer framework or having the low-and high-frequency electricity of shockproof function
Magnetic shielding device slide displacement.
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| CN201710468925 | 2017-06-19 | ||
| CN2017104689252 | 2017-06-19 |
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| CN201710684209.8A Active CN107360709B (en) | 2017-06-19 | 2017-08-10 | A kind of all-in-one micro computer room with low-and high-frequency electro-magnetic screen function |
| CN201710893766.0A Active CN107624034B (en) | 2017-06-19 | 2017-09-26 | A kind of data center with low-and high-frequency electro-magnetic screen function |
| CN201710887270.2A Active CN107889439B (en) | 2017-06-19 | 2017-09-26 | A kind of low-and high-frequency electromagnetic screen with shockproof function |
| CN201710928819.8A Active CN107889440B (en) | 2017-06-19 | 2017-09-30 | Energy-saving and safe electronic equipment cabin with high-frequency and low-frequency electromagnetic shielding function |
| CN201710928406.XA Active CN107635390B (en) | 2017-06-19 | 2017-09-30 | A kind of cold and hot separation data center with low-and high-frequency electro-magnetic screen function |
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| CN201710684209.8A Active CN107360709B (en) | 2017-06-19 | 2017-08-10 | A kind of all-in-one micro computer room with low-and high-frequency electro-magnetic screen function |
| CN201710893766.0A Active CN107624034B (en) | 2017-06-19 | 2017-09-26 | A kind of data center with low-and high-frequency electro-magnetic screen function |
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| CN201710928406.XA Active CN107635390B (en) | 2017-06-19 | 2017-09-30 | A kind of cold and hot separation data center with low-and high-frequency electro-magnetic screen function |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1482852A (en) * | 2002-12-23 | 2004-03-17 | 北京安方电磁屏蔽技术开发中心 | Electromagnetic shielding rack |
| CN1627895A (en) * | 2003-12-11 | 2005-06-15 | 株洲时代集团公司 | Electromagnetic shielding mode of electric apparatus chassis in new type train |
| CN201240610Y (en) * | 2008-06-20 | 2009-05-20 | 北京交通大学 | Vibration damping box |
| CN103442545A (en) * | 2013-08-29 | 2013-12-11 | 陕西海泰电子有限责任公司 | Door-opening shielding device of magnetic shielding equipment case/ cabinet |
| CN203896627U (en) * | 2014-06-13 | 2014-10-22 | 浙江八方电信有限公司 | High-damping anti-overturning vehicle-mounted system |
| CN104168737A (en) * | 2014-08-27 | 2014-11-26 | 南京中网卫星通信股份有限公司 | Shock absorption rack for onboard satellite communication device |
| CN104411152A (en) * | 2014-12-09 | 2015-03-11 | 成都国蓉科技有限公司 | Electromagnetic compatibility shielding device |
| CN104582341A (en) * | 2014-12-05 | 2015-04-29 | 国核自仪系统工程有限公司 | Anti-seismic I-type industrial case suitable for power station/power plant instrument control system |
| CN104661479A (en) * | 2015-03-02 | 2015-05-27 | 无锡康贝电子设备有限公司 | Cabinet framework and cabinet structure |
| CN205667080U (en) * | 2016-06-03 | 2016-10-26 | 中国南方电网有限责任公司电网技术研究中心 | Double shielding install bin |
| CN206251570U (en) * | 2016-11-25 | 2017-06-13 | 中国人民解放军61489部队 | A kind of anti-shock insulation electromagnetic shielding composite construction for repeating strike |
| CN206395101U (en) * | 2016-12-27 | 2017-08-11 | 上海华源热疗技术有限公司 | A kind of transport loading attachment of continuous wave magnetron |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4778840B2 (en) * | 2006-06-02 | 2011-09-21 | 日立アプライアンス株式会社 | Cooker |
| CN100485082C (en) * | 2006-10-27 | 2009-05-06 | 鲁东大学 | Method for preparing ZnO:Al transparent conductive film by direct magnetic control co-sputtering method |
| JP4978265B2 (en) * | 2007-03-23 | 2012-07-18 | 三菱電機株式会社 | High frequency module |
| CN102083286B (en) * | 2011-01-25 | 2012-11-14 | 广州汇安科技有限公司 | Combined self-control energy-saving safety cabinet |
| EP2503257B9 (en) * | 2011-03-22 | 2014-06-04 | Erwin Gasser | Shelter |
| CN202104005U (en) * | 2011-06-17 | 2012-01-04 | 北新集团建材股份有限公司 | Electromagnetic shielding room |
| CN102573418B (en) * | 2012-01-04 | 2016-01-20 | 安方高科电磁安全技术(北京)有限公司 | Closed heat exchange type electromagnetic shielding cabinet |
| CN202873253U (en) * | 2012-09-27 | 2013-04-10 | 安徽华盛科技控股股份有限公司 | Anti-pollution device |
| CN103179822B (en) * | 2013-03-12 | 2015-12-02 | 安方高科电磁安全技术(北京)有限公司 | Intelligent constant-temperature air-conditioning electromagnetic shielding rack |
| CN203233606U (en) * | 2013-03-12 | 2013-10-09 | 安方高科电磁安全技术(北京)有限公司 | Intelligent constant-temperature air-conditioning electromagnetic shielding cabinet |
| JP5901577B2 (en) * | 2013-06-24 | 2016-04-13 | デンヨー株式会社 | Engine-driven work machine |
| CN203467116U (en) * | 2013-09-29 | 2014-03-05 | 广东欧科空调制冷有限公司 | Cabinet air-conditioning system |
| CN204836932U (en) * | 2015-08-21 | 2015-12-02 | 江门市鼎龙机房技术有限公司 | Cabinet type computer lab |
| CN106535557A (en) * | 2015-09-10 | 2017-03-22 | 天津神为科技有限公司 | Totally enclosed type electromagnetic shielding cabinet |
| CN106527603A (en) * | 2015-09-10 | 2017-03-22 | 天津神为科技有限公司 | Totally-sealed normal-temperature self-circulating energy-saving mute special server case |
| CN205830206U (en) * | 2016-07-24 | 2016-12-21 | 杭州汉超科技有限公司 | There is the disposable foaming rack of function of temperature control |
| CN106231881B (en) * | 2016-07-29 | 2019-02-19 | 国网河南省电力公司南阳供电公司 | A kind of substation's electrical control cabinet noise and electromagnetic radiation monitoring shielding harness |
| CN206061412U (en) * | 2016-08-31 | 2017-03-29 | 苏州广能电子科技有限公司 | A kind of shielding rack |
-
2017
- 2017-08-10 CN CN201710684209.8A patent/CN107360709B/en active Active
- 2017-09-26 CN CN201710893766.0A patent/CN107624034B/en active Active
- 2017-09-26 CN CN201710887270.2A patent/CN107889439B/en active Active
- 2017-09-30 CN CN201710928819.8A patent/CN107889440B/en active Active
- 2017-09-30 CN CN201710928406.XA patent/CN107635390B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1482852A (en) * | 2002-12-23 | 2004-03-17 | 北京安方电磁屏蔽技术开发中心 | Electromagnetic shielding rack |
| CN1627895A (en) * | 2003-12-11 | 2005-06-15 | 株洲时代集团公司 | Electromagnetic shielding mode of electric apparatus chassis in new type train |
| CN201240610Y (en) * | 2008-06-20 | 2009-05-20 | 北京交通大学 | Vibration damping box |
| CN103442545A (en) * | 2013-08-29 | 2013-12-11 | 陕西海泰电子有限责任公司 | Door-opening shielding device of magnetic shielding equipment case/ cabinet |
| CN203896627U (en) * | 2014-06-13 | 2014-10-22 | 浙江八方电信有限公司 | High-damping anti-overturning vehicle-mounted system |
| CN104168737A (en) * | 2014-08-27 | 2014-11-26 | 南京中网卫星通信股份有限公司 | Shock absorption rack for onboard satellite communication device |
| CN104582341A (en) * | 2014-12-05 | 2015-04-29 | 国核自仪系统工程有限公司 | Anti-seismic I-type industrial case suitable for power station/power plant instrument control system |
| CN104411152A (en) * | 2014-12-09 | 2015-03-11 | 成都国蓉科技有限公司 | Electromagnetic compatibility shielding device |
| CN104661479A (en) * | 2015-03-02 | 2015-05-27 | 无锡康贝电子设备有限公司 | Cabinet framework and cabinet structure |
| CN205667080U (en) * | 2016-06-03 | 2016-10-26 | 中国南方电网有限责任公司电网技术研究中心 | Double shielding install bin |
| CN206251570U (en) * | 2016-11-25 | 2017-06-13 | 中国人民解放军61489部队 | A kind of anti-shock insulation electromagnetic shielding composite construction for repeating strike |
| CN206395101U (en) * | 2016-12-27 | 2017-08-11 | 上海华源热疗技术有限公司 | A kind of transport loading attachment of continuous wave magnetron |
Non-Patent Citations (1)
| Title |
|---|
| 王连坡，茅文深: "电磁屏蔽技术在结构设计中的应用", 《舰船电子工程》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109089392A (en) * | 2018-08-09 | 2018-12-25 | 深圳金准智能科技股份有限公司 | Antidetonation communicates integrated box |
| CN109089392B (en) * | 2018-08-09 | 2020-05-15 | 深圳金准智能科技股份有限公司 | Anti-seismic communication integrated box |
| CN109633285A (en) * | 2018-11-14 | 2019-04-16 | 中国空空导弹研究院 | A kind of missile-borne data chain device vibration-testing electromagnetism dark box device |
| CN110829229A (en) * | 2019-11-27 | 2020-02-21 | 杨向民 | Electric power cabinet with nonlinear frame vibration reduction structure |
| CN110829229B (en) * | 2019-11-27 | 2020-12-18 | 笑聪精密机械(苏州)有限公司 | Electric power cabinet with nonlinear frame vibration reduction structure |
| CN113068388A (en) * | 2021-03-22 | 2021-07-02 | 贵州电网有限责任公司 | Electromagnetic radiation detects and suppression device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107624034A (en) | 2018-01-23 |
| CN107624034B (en) | 2019-08-23 |
| CN107360709B (en) | 2018-08-24 |
| CN107635390B (en) | 2019-05-07 |
| CN107889439B (en) | 2019-11-19 |
| CN107635390A (en) | 2018-01-26 |
| CN107360709A (en) | 2017-11-17 |
| CN107889440A (en) | 2018-04-06 |
| CN107889440B (en) | 2019-12-20 |
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