CN108990404A - A kind of filter with radiator structure and function of shielding - Google Patents
A kind of filter with radiator structure and function of shielding Download PDFInfo
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- CN108990404A CN108990404A CN201811084725.8A CN201811084725A CN108990404A CN 108990404 A CN108990404 A CN 108990404A CN 201811084725 A CN201811084725 A CN 201811084725A CN 108990404 A CN108990404 A CN 108990404A
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- Prior art keywords
- shielding
- main body
- filter
- box main
- outer box
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- 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
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a kind of filter with radiator structure and function of shielding, including shielding outer box cover, it shields outer box cover and is connected with the outer box main body of shielding, shield outer box main body is internally provided with box main body in shielding, the left and right ends of box main body are connected separately with a shielding inner box left side by hinge in shielding, right cover, there is filter in the inside of box main body in shielding, filter internal is provided with inner fin, the left and right ends of inner fin are connected separately with a left side, right heat conducting pipe, it is left, right heat conducting pipe is successively from filter, in shielding in the hole of box main body and the outer box main body of shielding stretching and with a left side, right outside heat sink connection, it is left, the surface of right outside heat sink is laid with radiating ribs;A kind of filter with radiator structure and function of shielding provided by the invention effectively increases the heat dissipation effect of device by setting cooling fin, heat conducting pipe and radiating ribs, while by setting shielding outer box and shielding inner box, effectively increasing shield effectiveness.
Description
Technical field
The present invention relates to filter fields, more specifically to a kind of filtering with radiator structure and function of shielding
Device.
Background technique
The filter circuit that filter is made of capacitor, inductance and resistance, generally there are two port, an inputs for filter
Signal, an output signal, can the frequency other than the frequency point or the frequency point to specific frequency in power supply line effectively filter out,
The power supply signal of a specific frequency is obtained, or eliminates the power supply signal after a specific frequency, is that a kind of pair of signal has processing
The device or circuit of effect, are divided into active filter and passive filter.
The more electronic device of filter internal can release a large amount of thermal energy, and the external sealing effect of filter compared with
It is good, therefore internal heat is difficult rapidly to release, and causes the heat dissipation effect of filter bad, therefore affects in filter
The service life of portion's electronic device, while the shield effectiveness of filter masks device is low, is not able to satisfy requirement.
Summary of the invention
1. technical problems to be solved
For filter problem existing in the prior art, problem is as follows:
(1), heat dissipation effect is bad;
(2), shield effectiveness is low.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of filter with radiator structure and function of shielding, including the outer box cover of shielding, the shielding outer box cover hinge
It is connected with the outer box main body of shielding, the intermediate corresponding part of box main body is provided with locking outside the outer box cover of the shielding and the shielding
Part, the outer box main body of the shielding are internally provided with box main body in shielding, and the left end of box main body is connected by hinge in the shielding
It is connected to shielding inner box left cover, the right end of box main body, which is connected by a hinge, in the shielding shielding inner box right cover, in the shielding
Box main body is internally provided with filter, and the filter internal is provided with filter element, the outside of the filter element
It is connected with inner fin, the left and right ends of the inner fin are connected separately with several left heat conducting pipes and several right sides are led
Heat pipe, several described left heat conducting pipes successively Kong Zhongshen out of filter, shielding on the left of box main body and the outer box main body of shielding
It connect out and with left outside heat sink, successively box main body and shielding are outer out of filter, shielding for several described right heat conducting pipes
It stretches out in hole on the right side of box main body and is connect with right outside heat sink, the left outside heat sink and the right outside heat sink
Surface is laid with several radiating ribs, and the front end of the filter is provided with several filter input ends, the filter
Rear end be provided with several filter outputs.
Preferably, the bottom of the filter input end and the filter output is provided with insulating layer.
Preferably, the outer box main body of the shielding has several damping bullets with the gap setting on front side of box main body in the shielding
Spring, the gap setting in the shielding on front side of box main body and filter have several damping springs.
Preferably, second baffle, the left outer of the second baffle are connected among the rear end of the outer box main body of the shielding
Right both ends are fixedly connected there are two spring, and the upper end of two springs is fixedly connected to nut, the second baffle it is interior
Side left and right ends are connected with mandrel, and the mandrel successively stretches out simultaneously in box main body and the hole on rear side of the outer box main body of shielding out of shield
It is fixedly connected with adjusting rod, the adjusting rod is connect by screw thread with nut, and the lower end of the mandrel is fixedly connected with first gear
Plate.
Preferably, the upper surface of the shielding inner box left cover and the shielding inner box right cover is connected with second connecting rod, described
The upper end of second connecting rod is connect with the inner surface for shielding outer box cover, under the shielding inner box left cover and the shielding inner box right cover
Surface is respectively connected with first connecting rod, and the first connecting rod lower end is respectively connected with sliding block, and the lower end of the sliding block slidably connects solid
Determine frame, the fixing piece is connected to the upper end edge for shielding interior box main body, slidably connects at left and right sides of the fixed frame
Elastic component, sliding block described in left and right ends are connect with elastic component.
3. beneficial effect
Compared with the prior art, the present invention has the advantages that
(1) present invention by be arranged right outside heat sink, left outside heat sink, inner fin, left heat conducting pipe, right heat conducting pipe with
And radiating ribs, and left outside heat sink, right outside heat sink are located at the left and right ends for shielding outer box main body, inner fin position
In filter internal, and the left and right ends of inner fin are connect with left heat conducting pipe, right heat conducting pipe respectively, left and right heat conducting pipe difference
It being connect with left and right outside heat sink, radiating ribs are laid in the surface of left and right outside heat sink, in the filter course of work, filtering
For the heat transfer that device element generates to internal heat dissipating on piece, the heat of inner fin runs through left heat conducting pipe and right heat conducting pipe
It is transmitted to left outside heat sink and right external cooling on piece respectively, the presence of radiating ribs also accelerates heat transfer to surrounding air
In, so as to solve the problems, such as that heat dissipation effect is bad.
(2) present invention passes through box main body, shielding inner box left cover, screen in the outer box cover of setting shielding, the outer box main body of shielding, shielding
Inner box right cover, locking part and hinge are covered, and shields outer box main body and shields outer box cover and locked by locking part, shields inner box
Main body, which is located at, shields outer box body interior, and shielding outer box left cover, shielding outer box right cover, which pass through hinge and shield interior box main body, to be connected
It connects, in the filter course of work, filter is placed in box main body and shielding outer box body interior in shielding, and passes through shielding outer box
Lid, shielding inner box left cover and shielding inner box right cover, entire filter is tightly wrapped up, has dual shield effectiveness,
And it is not contacted directly inside whole device with outside air, effectively prevents causing shield effectiveness difference because of electromagnetic leakage
Problem, while conveniently filter being fixed on inside shielding box by setting linkage mechanism and hold-down mechanism, so as to
Enough solve the problems, such as filter masks low efficiency.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the structural schematic diagram of filter of the present invention;
Fig. 3 is cross-sectional view of the invention;
Fig. 4 is the structural schematic diagram of linkage mechanism of the present invention.
Figure label explanation:
1- locking part;2- shields outer box cover;3- shields inner box right cover;The right outside heat sink of 4-;5- first connecting rod;6- filter;
7- shields interior box main body;8- shields outer box main body;9- second connecting rod;10- shields inner box left cover;11- hinge;The left outside portion 12- dissipates
Backing;13- radiating ribs;1 filter input end;15- filter output;16- insulating layer;The right heat conducting pipe of 17-;It is dissipated inside 18-
Backing;The left heat conducting pipe of 19-;20- filter element;21- damping spring;22- first baffle;23- nut;24- adjusting rod;25-
Spring;26- second baffle;27- mandrel;28- elastic component;29- sliding block;30- fixed frame.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is outer to please refer to Fig. 1-4, a kind of filter with radiator structure and function of shielding, including the outer box cover 2 of shielding, shielding
2 hinge of box cover is connected with the outer box main body 8 of shielding, and the intermediate corresponding part for shielding outer box cover 2 and the outer box main body 8 of shielding is provided with lock
Firmware 1, shield outer box main body 8 is internally provided with box main body 7 in shielding, and the left end for shielding interior box main body 7 is connected by hinge 11
It is connected to shielding inner box left cover 10, the right end for shielding interior box main body 7 is connected with shielding inner box right cover 3 by hinge 11, shields inner box
Main body 7 is internally provided with filter 6, and filter 6 is internally provided with filter element 20, the outside connection of filter element 20
There is inner fin 18, the left and right ends of inner fin 18 are connected separately with several left heat conducting pipes 19 and several right sides are thermally conductive
Pipe 17, several left heat conducting pipes 19 are successively from the Kong Zhongshen of filter 6, the interior box main body 7 of shielding and outer 8 left side of box main body of shielding
It connect out and with left outside heat sink 12, successively box main body 7 and the shielding out of filter 6, shielding of several right heat conducting pipes 17
It stretches out in the hole on outer 8 right side of box main body and is connect with right outside heat sink 4, left outside heat sink 12 and right outside heat sink 4
Surface is laid with several radiating ribs 13, and the front end of filter 6 is provided with several filter input ends 14, filter 6
Rear end is provided with several filter outputs 15.
The bottom of filter input end 14 and filter output 15 is provided with insulating layer 16, and the setting of insulating layer 16 is
In order to avoid electric shock accidents occurs in use process,
The gap setting of 7 front side of box main body has several damping springs 21 in shielding outer box main body 8 and shielding, and shields interior box main body
7 have several damping springs 21 with the gap setting on front side of filter 6, and the setting of damping spring 21 is for buffer unit work
When the vibration that generates, stability when device work has been effectively ensured,
It shields and is connected with second baffle 26 among the rear end of outer box main body 8, the outside left and right ends of second baffle 26 are fixedly connected
There are two spring 25, the upper end of two springs 25 is fixedly connected to nut 23, the inside left and right ends connection of second baffle 26
There is mandrel 27, mandrel 27 successively stretches out from the hole of box main body 7 in shielding and outer 8 rear side of box main body of shielding and consolidates with adjusting rod 24
Fixed connection, adjusting rod 24 are connect by screw thread with nut 23, and the lower end of mandrel 27 is fixedly connected with first baffle 22, are filtered fixed
When wave device 6, rotary core shaft 27, being fixed on the spring 25 between nut 23 and second baffle 26 will be compressed, and be caused and mandrel
The length of the adjusting rod 24 of 27 connections, can make the first baffle 22 of 24 lower end of adjusting rod be connected to 6 shell of filter
On, fast and convenient filter 6 can be fixed on inside shielding box,
Shielding inner box left cover 10 and the upper surface for shielding inner box right cover 3 are connected with second connecting rod 9, the upper end of second connecting rod 9 and screen
The inner surface connection of outer box cover 2 is covered, shielding inner box left cover 10 and the lower surface for shielding inner box right cover 3 are respectively connected with first connecting rod 5,
5 lower end of first connecting rod is respectively connected with sliding block 29, and the lower end of sliding block 29 slidably connects fixed frame 30, and fixing piece 30 is connected to shielding
The upper end edge of interior box main body 7, the left and right sides of fixed frame 30 slidably connect elastic component 28, left and right ends sliding block 29 with
Elastic component 28 connects, and the setting of these linkage mechanisms is to shield 10 He of inner box left cover while opening shielding outer box cover 2
Shielding inner box right cover 3 automatically opens, and has the advantages that easy to operate.
Working principle: when use filter 6 in need, locking part 1 is opened, opens and shields outer box cover 2, be connected to shielding
Two second connecting rods 9 on outer box cover 2 apply pulling force to shielding inner box left cover 10 and shielding inner box right cover 3 respectively, in pulling force
Under effect, shielding inner box left cover 10 begins around hinge 11 with 5 under tension of first connecting rod that 3 lower end of inner box right cover connects is shielded
Rotation, the sliding block 29 for being set in 30 left and right ends of fixed frame starts compression elastic piece 28, so that shielding outer box cover 2 opening
While, shielding inner box left cover 10 and shielding inner box right cover 3 automatically open, and filter 6 is put into box main body 7 in shielding at this time
Inside, filter input end 14 are worn in corresponding hole on shielding inner box and shielding outer box from setting with filter output 15
Out, rotary core shaft 27, being fixed on the spring 25 between nut 23 and second baffle 26 will be compressed, and cause to connect with mandrel 27
Adjusting rod 24 length, the first baffle 22 of 24 lower end of adjusting rod can be made to be connected on filter 6, thus convenient
Rapidly filter 6 is fixed on inside shielding box, is fixed after finishing, starts filter 6 and simultaneously closes the outer box cover 2 of shielding, it is whole
A filter 6 is tightly wrapped up, and has dual shield effectiveness, and not direct with outside air inside whole device
Contact, the problem for effectively preventing causing shield effectiveness difference because of electromagnetic leakage, in 6 course of work of filter, filter member
In the heat transfer to inner fin 18 that part 20 generates, the heat of inner fin 18 runs through left heat conducting pipe 19 and the right side is led
Heat pipe 17 is transmitted to respectively in left outside heat sink 12 and right outside heat sink 4, and the presence of radiating ribs 13 also accelerates heat biography
It is delivered in surrounding air, the heat dissipation effect of whole device is effectively increased while guaranteeing that whole device is in full closeding state
Rate, the gap of box main body 7 and the interior box main body 7 of shielding and the gap setting of filter 6 subtract in shielding outer box main body 8 and shielding
Shake spring 21 is the vibration in order to generate when buffer unit work, and stability when device work, insulating layer 16 has been effectively ensured
Setting be in order to avoid electric shock accidents occurs in use process.
7 surface of box main body is spraying combined type in shielding outer box main body 8, the outer box cover 2 of shielding, shielding inner box right cover 3, shield
Electromagnetic shielding material.Multidimensional composite material and magnesium foil matrix are sintered at high temperature under high pressure using jet printing type method, obtained
The excellent electromagnetic shielding composite material of structural stability can.Wherein multidimensional composite material passes through two-step method for manganese cobalt nano-scale knot
Structure material is grown directly upon in foam nickel base, and it is compound with electrically conductive polyaniline powder, the doping of one side foamed material
The density for reducing material, improves its scope of application, and another aspect polymer dielectric material improves its magnetic conductivity and enhances
The effect of magnetic screen;Through complex effect on the basis of guaranteeing high-efficiency electromagnetic shielding, reduces the reflection to electromagnetic wave and increase
Absorption to electromagnetic wave reaches the target to reduce environmental pollution;Under conditions of the impedance with higher unit area, obtain excellent
Different electromagnet shield effect, and material electromagnetic shielding performance is adjustable, the scope of application is wider.It is specific the preparation method is as follows:
Embodiment 1
The following steps are included:
12 parts of multidimensional composite materials are added to 46 parts of acrylic resins, 1 part of silane coupling agent KH-560,3 parts of defoaming agents by step 1
Dimethicone is kept various material mixings uniform, is obtained complex colloid using mechanical stirring 30min;
Step 2, by 1.5 parts of polyamide 6s, 50,6 parts of dehydrated alcohols be uniformly mixed be added in above-mentioned complex colloid, use is planetary
Ball mill ball milling 1h, obtains ball milling slurry;
Step 3 pours into the slurry after ball milling in watering can, and watering can connects air compressor, by spraying compressed air for ball milling
Magnesium foil surface after pulp jets to 120 DEG C of polishings, dehydrated alcohol volatilize rapidly at high temperature;
Above-mentioned gained is sprayed magnesium foil in 550 DEG C, the vacuum under pressure heat-agglomerating 2h of 40MPa by step 4, obtains spraying compound
Formula electromagnetic shielding material.
The multidimensional composite material and preparation method thereof is as follows:
Step 1, by 2 parts of Co (N03)2·6H20,1 part of Mn(NO3)2·4H2O, 6 parts of urea and 12 parts of ammonium fluorides are dissolved in 30
It in part deionized water solution, stirs evenly, and after 10 min of ultrasonic treatment, pours into reaction kettle;
Step 2,21 parts are first passed through in advance hydrochloric acid it is etched and with ethyl alcohol and water clean dried nickel foam inclination immerse it is above-mentioned
In solution, reaction kettle is put into insulation reaction 6h in 120 DEG C of baking oven;
Step 3, after the reaction was completed, the nickel foam that surface is covered with Mn-Co presoma is cleaned up with water and ethyl alcohol respectively,
It is dry in 70 DEG C of baking oven;
Step 4, dry completion are placed into Muffle furnace and are calcined, and heating rate is 5 DEG C/min, 2 h is kept at 350 DEG C, then
Cooled to room temperature;
Step 5 is added above-mentioned cooling material, 4 parts of PVAC polyvinylalcohols, 1 part of dimethicone defoaming agent into grinder, and 30 parts
Deionized water is ground to obtain the sand milling material of even particle size distribution;
Gained is sanded and expects to carry out mist projection granulating in spray tower by step 6, and particle is then processed into density 3g/cm3Manganese cobalt
The nickel foam blank material of load;
Above-mentioned gained blank and 3 parts of polyaniline ground and mixeds are obtained manganese cobalt using ultrasonic wave separating apparatus dispersion 20min by step 7
The nickel foam multidimensional composite material of load.
Embodiment 2
10 parts of multidimensional composite materials are added to 46 parts of acrylic resins, 1 part of silane coupling agent KH-560,3 parts of defoaming agents by step 1
Dimethicone is kept various material mixings uniform, is obtained complex colloid using mechanical stirring 30min;The same embodiment of remaining step
1。
Embodiment 3
8 parts of multidimensional composite materials are added to 46 parts of acrylic resins, 1 part of silane coupling agent KH-560,3 parts of defoaming agents two by step 1
Methyl-silicone oil is kept various material mixings uniform, is obtained complex colloid using mechanical stirring 30min;Remaining step is the same as embodiment 1.
Embodiment 4
6 parts of multidimensional composite materials are added to 46 parts of acrylic resins, 1 part of silane coupling agent KH-560,3 parts of defoaming agents two by step 1
Methyl-silicone oil is kept various material mixings uniform, is obtained complex colloid using mechanical stirring 30min;Remaining step is the same as embodiment 1.
Embodiment 5
4 parts of multidimensional composite materials are added to 46 parts of acrylic resins, 1 part of silane coupling agent KH-560,3 parts of defoaming agents two by step 1
Methyl-silicone oil is kept various material mixings uniform, is obtained complex colloid using mechanical stirring 30min;Remaining step is the same as embodiment 1.
Embodiment 6
2 parts of multidimensional composite materials are added to 46 parts of acrylic resins, 1 part of silane coupling agent KH-560,3 parts of defoaming agents two by step 1
Methyl-silicone oil is kept various material mixings uniform, is obtained complex colloid using mechanical stirring 30min;Remaining step is the same as embodiment 1.
Embodiment 7
12 parts of multidimensional composite materials are added to 36 parts of acrylic resins, 1 part of silane coupling agent KH-560,3 parts of defoaming agents by step 1
Dimethicone is kept various material mixings uniform, is obtained complex colloid using mechanical stirring 30min;The same embodiment of remaining step
1。
Embodiment 8
12 parts of multidimensional composite materials are added to 26 parts of acrylic resins, 1 part of silane coupling agent KH-560,3 parts of defoaming agents by step 1
Dimethicone is kept various material mixings uniform, is obtained complex colloid using mechanical stirring 30min;The same embodiment of remaining step
1。
Embodiment 9
12 parts of multidimensional composite materials are added to 16 parts of acrylic resins, 1 part of silane coupling agent KH-560,3 parts of defoaming agents by step 1
Dimethicone is kept various material mixings uniform, is obtained complex colloid using mechanical stirring 30min;The same embodiment of remaining step
1。
Embodiment 10
12 parts of multidimensional composite materials are added to 6 parts of acrylic resins, 1 part of silane coupling agent KH-560,3 parts of defoaming agents two by step 1
Methyl-silicone oil is kept various material mixings uniform, is obtained complex colloid using mechanical stirring 30min;Remaining step is the same as embodiment 1.
Reference examples 1
It is with 1 difference of embodiment: in electromagnetic shielding material preparation step 1, uses equivalent iron oxide as multidimensional composite wood
Material, remaining step are identical with embodiment 1.
Reference examples 2
It is with 1 difference of embodiment: in electromagnetic shielding material preparation step 1, uses equivalent nickel oxide as multidimensional composite wood
Material, remaining step are identical with embodiment 1.
Reference examples 3
It is with 1 difference of embodiment: in multidimensional composite material preparation 1, does not add Co (N03)2·6H20, remaining step
Suddenly identical with embodiment 1.
Reference examples 4
It is with 1 difference of embodiment: in multidimensional composite material preparation 1, does not add Mn(NO3)2·4H2O, remaining step
Suddenly identical with embodiment 1.
Reference examples 5
It is with 1 difference of embodiment: in multidimensional composite material preparation 1, Co (N03)2·6H20 and Mn(NO3)2·4H2O
Proportion is 1:1, remaining step is identical with embodiment 1.
Reference examples 6
It is with 1 difference of embodiment: in multidimensional composite material preparation 1, Co (N03)2·6H20 and Mn(NO3)2·4H2O
Proportion is 1:2, remaining step is identical with embodiment 1.
Reference examples 7
It is with 1 difference of embodiment: in multidimensional composite material preparation 1, does not add ammonium fluoride mixing;Remaining step with
Embodiment 1 is identical.
Reference examples 8
It is with 1 difference of embodiment: in multidimensional composite material preparation 1, replaces ammonium fluoride with the sodium fluoride of equivalent;Remaining
Step is identical with embodiment 1.
Reference examples 9
It is with 1 difference of embodiment: in multidimensional composite material preparation 7, does not add polyaniline post-processing, remaining step
It is identical with embodiment 1.
Reference examples 10
It is with 1 difference of embodiment: in multidimensional composite material preparation 7, after replacing polyaniline with the polyvinyl alcohol of equivalent
Processing, remaining step are identical with embodiment 1.
Electromagnetic shielding performance by the sample of preparation in 8-12GHz frequency range is tested.Radio frequency electromagnetic field shield effectiveness uses
Agilent 4396B network/spectrum/impedance analyzer measures, using " the Materials ' Shielding Effectiveness test side SJ20524-1995
Method ";It is as shown in the table for test result
The experimental results showed that jet printing type composite electromagnetic shield materials have good Magnetic Shielding Effectiveness, it is certain in test condition
When, shield effectiveness (SE) is higher, and Magnetic Shielding Effectiveness is better, otherwise poorer;It is in multidimensional composite material, acrylic resin mass ratio
When 6:23, other ingredients are fixed, and preparation effect is best, with embodiment 1 the difference lies in that embodiment 2 to embodiment 10 changes respectively
The dosage and proportion for becoming primary raw material multidimensional composite material, acrylic resin, although having certain improvement to material electromagnetic wave shielding,
But it is more preferable not as good as the effect of embodiment 1;The iron oxide and nickel oxide that reference examples 1 to reference examples 2 use pure component are as magnetic screen
Main component, other steps are identical, and shield effectiveness is caused to be substantially reduced, and illustrate that compound component has great advantage;It is right
As usual 3 Co (N0 is not added to reference examples 63)2·6H20 and Mn(NO3)2·4H2O and the proportion for changing the two, electromagnetic shielding
Effect is still bad, illustrates that single metal salt Magnetic Shielding Effectiveness is simultaneously bad during prepared by multidimensional composite material, and
Only go out excellent shield effectiveness in the compound lower competence exertion of certain proportion;Reference examples 7 to reference examples 8 do not add ammonium fluoride simultaneously
Replaced with the sodium fluoride of equivalent, so that the material structure after synthesis changes, Magnetic Shielding Effectiveness is obviously deteriorated, and illustrates ammonium fluoride
The acid system formed after hydrolysis is the formation for being conducive to magnet shielding structure;Reference examples 9 to reference examples 10 do not add polyaniline
And replaced with polyvinyl alcohol, shield effectiveness is obviously deteriorated, and shield effectiveness is not still high, illustrates polyaniline as polymer dielectric material
Material is inorganic agent important in magnetic screen component;Therefore there is excellent electromagnetic screen using the electromagnetic shielding material that the present invention uses
Cover effect.
Claims (6)
1. a kind of filter with radiator structure and function of shielding, including the outer box cover (2) of shielding, it is characterised in that: the screen
It covers outer box cover (2) hinge and is connected with the outer box main body (8) of shielding, box main body (8) outside the outer box cover (2) of the shielding and the shielding
Intermediate corresponding part is provided with locking part (1), and the outer box main body (8) of the shielding is internally provided with box main body (7) in shielding, institute
The left end for stating box main body (7) in shielding is connected with shielding inner box left cover (10), box main body (7) in the shielding by hinge (11)
Right end be connected with shielding inner box right cover (3) by hinge (11), box main body (7) is internally provided with filter in the shielding
(6), the filter (6) is internally provided with filter element (20), is connected with inside on the outside of the filter element (20)
Cooling fin (18), the left and right ends of the inner fin (18) are connected separately with several left heat conducting pipes (19) and several are right
Heat conducting pipe (17), several described left heat conducting pipes (19) are successively from filter (6), the interior box main body (7) of shielding and shielding outer box
It stretches out in hole on the left of main body (8) and is connect with left outside heat sink (12), several described right heat conducting pipes (17) are successively from filter
Wave device (6) shields interior box main body (7) and shields and stretches out in the hole on the right side of outer box main body (8) and connect with right outside heat sink (4)
It connects, the surface of the left outside heat sink (12) and the right outside heat sink (4) is laid with several radiating ribs (13), institute
The front end for stating filter (6) is provided with several filter input ends (14), and the rear end of the filter (6) is provided with several
Filter output (15).
2. a kind of filter with radiator structure and function of shielding according to claim 1, it is characterised in that: the filter
The bottom of wave device input terminal (14) and the filter output (15) is provided with insulating layer (16).
3. a kind of filter with radiator structure and function of shielding according to claim 1, it is characterised in that: the screen
Covering the gap setting in outer box main body (8) and the shielding on front side of box main body (7) has several damping springs (21), the shielding
Gap setting on front side of interior box main body (7) and filter (6) has several damping springs (21).
4. a kind of filter with radiator structure and function of shielding according to claim 1, it is characterised in that: the screen
It covers and is connected among the rear end of outer box main body (8) second baffle (26), the outside left and right ends of the second baffle (26) are fixed
There are two spring (25) for connection, and the upper end of two springs (25) is fixedly connected to nut (23), the second baffle
(26) inside left and right ends are connected with mandrel (27), and the mandrel (27) is successively from the interior box main body (7) of shielding and shielding outer box
It stretches out in hole on rear side of main body (8) and is fixedly connected with adjusting rod (24), the adjusting rod (24) passes through screw thread and nut (23)
Connection, the lower end of the mandrel (27) is fixedly connected with first baffle (22).
5. a kind of filter with radiator structure and function of shielding according to claim 1, it is characterised in that: the screen
The upper surface for covering inner box left cover (10) and shielding inner box right cover (3) is connected with second connecting rod (9), the second connecting rod (9)
Upper end connect with the inner surface for shielding outer box cover (2), shielding inner box left cover (10) and shield inner box right cover (3)
Lower surface is respectively connected with first connecting rod (5), and first connecting rod (5) lower end is respectively connected with sliding block (29), the sliding block (29)
Lower end slidably connects fixed frame (30), and the fixing piece (30) is connected to the upper end edge for shielding interior box main body (7), described
It is slidably connected at left and right sides of fixed frame (30) elastic component (28), sliding block (29) described in left and right ends connects with elastic component (28)
It connects.
6. a kind of filter with radiator structure and function of shielding according to claim 1, it is characterised in that: shielding is outer
Box main body (8), shielding inner box right cover (3), shields interior box main body (7) surface as spraying Combined type electric magnetic cup at the outer box cover (2) of shielding
Cover material.
Priority Applications (1)
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CN201811084725.8A CN108990404A (en) | 2018-09-18 | 2018-09-18 | A kind of filter with radiator structure and function of shielding |
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CN113219223A (en) * | 2021-03-15 | 2021-08-06 | 北京航空航天大学 | Totally-enclosed rectangular terahertz darkroom |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113219223A (en) * | 2021-03-15 | 2021-08-06 | 北京航空航天大学 | Totally-enclosed rectangular terahertz darkroom |
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