CN205778349U - Sound insulation electromagnetic shield door - Google Patents
Sound insulation electromagnetic shield door Download PDFInfo
- Publication number
- CN205778349U CN205778349U CN201620497544.8U CN201620497544U CN205778349U CN 205778349 U CN205778349 U CN 205778349U CN 201620497544 U CN201620497544 U CN 201620497544U CN 205778349 U CN205778349 U CN 205778349U
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- door leaf
- slot
- doorframe
- sound
- sound insulation
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Abstract
nullA kind of sound insulation electromagnetic shield door，Including: door leaf and doorframe，The outside of door leaf is provided with the first slotting tool and the second slotting tool，Doorframe with the first slotting tool、It is provided with the first slot and the second slot on the first surface of the second slotting tool crimping，The position of the first slotting tool is corresponding with the position of the first slot，The position of the second slotting tool is corresponding with the position of the second slot，Make when described sound insulation electromagnetic shield door is closed，Described first slotting tool inserts in described first slot，Described second slotting tool inserts in described second slot，Described first slot than described second slot closer to the outside of described door leaf，It is each provided with a reed on two relative inwalls of described first slot，Spacing between described first slot and described second slot is more than the distance between two relative inwalls of described first slot，Spacing between described first slot and described second slot is more than the distance between two relative inwalls of described second slot.The sound insulation of this sound insulation electromagnetic shield door and shield effectiveness are good.
Description
Technical field
The present invention relates to electromangnetic spectrum field, particularly relate to a kind of sound insulation electromagnetic shield door.
Background technology
Increasingly obtain the attention of national correlation department along with information security, secrecy meeting room engineering project by
Cumulative many, matched shield door demand growth is rapid.The most most of electromagnetic shield doors every
Sound effective value is poor, does not meets country's relevant information Privacy.Generally, secrecy meeting room project
Installing electromagnetic shield door inside generally using, outside installs soundproof door mode additional；But have the disadvantage in that (1)
Two set door project costs increase；(2) inner side shield door takies the screened room confined space, under area utilization
Fall；(3) on-the-spot screened room construction workload increases, so having the electromagnetic shield door of sound insulation function concurrently more
Accord with the demands of the market.In the market sound insulation usefulness can reach the soundproof door of 40dB use double-deck every
Sound plate, it is cotton that middle reserved cavity sound insulation by filling inhale ripple, and integral door body thickness, at about 120mm, makes
The volume weight obtaining door is the biggest.
Summary of the invention
It is an object of the invention to provide a kind of sound insulation electromagnetic shield door, the effect that preferably insulates against sound can be played
Really.
Technical scheme is as follows:
A kind of sound insulation electromagnetic shield door, including: door leaf and doorframe, the outside of described door leaf is provided with first
Slotting tool and the second slotting tool, first table crimped with described first slotting tool, described second slotting tool of described doorframe
The first slot and the second slot it is provided with, the position of described first slotting tool and the position of described first slot on face
Putting correspondence, the position of described second slotting tool is corresponding with the position of described second slot, makes described sound insulation electromagnetism
In a closed condition, described first slotting tool inserts in described first slot shield door, described second slotting tool
Insert in described second slot, described first slot than described second slot closer to described door leaf, described
A reed, described first slot and described second slot it is each provided with on two relative inwalls of the first slot
Between spacing more than described first slot two relative inwalls between distance, described first slot and
Spacing between described second slot is more than the distance between two relative inwalls of described second slot.
Further: the bottom of described second slot is provided with the first band.
Further: described doorframe also includes the second surface that the surface with described door leaf crimps, described
The two the most described first surfaces in surface, closer to described door leaf, described second surface are provided with the second sealing
Band.
Further, also include that door leaf shrouding and door leaf sound insulating layer, described door leaf sound insulating layer are positioned at described door leaf
In the cavity that shrouding and described door leaf surround.
It is further: described door leaf sound insulating layer includes: the door leaf gypsum board layer of stacking setting and door leaf layer of mineral wool,
Described door leaf gypsum board layer than described door leaf layer of mineral wool away from second table with described doorframe of described door leaf
The surface of face crimping.
Further: described door leaf sound insulating layer also includes door leaf sound insulation carpet veneer, described door leaf sound insulation carpet veneer is close to
Described door leaf gypsum board layer.
Further: described door leaf sound insulating layer also includes door leaf sound insulation carpet veneer, described door leaf sound insulation carpet veneer next-door neighbour
Described door leaf layer of mineral wool.
Further, also include that doorframe shrouding and doorframe sound insulating layer, described doorframe sound insulating layer are positioned at described doorframe
In the cavity that shrouding and described doorframe surround.
Further: described doorframe sound insulating layer includes doorframe shrouding sound insulation carpet veneer, the doorframe being cascading
Layer of mineral wool and doorframe shrouding sound insulation carpet veneer, described doorframe shrouding sound insulation carpet veneer is than described doorframe shrouding sound-insulating felt
Layer is further from the first surface of described doorframe.
Further: also to include: hinge, electrical control mechanism and retaining mechanism, door leaf described in described chain connection
With described doorframe；Described electrical control mechanism is positioned at the top of described door leaf, described electrical control mechanism and described locking
Mechanism connects, and is used for driving described retaining mechanism to work.
Compared with prior art, the invention have the advantages that
1, sound insulation electromagnetic shield door of the present utility model, by arranging the first slot and the knot of the second slot
Structure, makes formation multiple tracks jatharapanvartanasana chamber, and the shielding higher grade making this sound insulation electromagnetic shield door, defening effect
More preferably, as external door according to GB8485-2008 standard detection sound insulation usefulness more than 40dB, 5 grades are reached
Standard.
2, the shield effectiveness of sound insulation electromagnetic shield door of the present utility model reaches GJB5792-2006B level.
3, sound insulation electromagnetic shield door of the present utility model, by selecting specific sound insulating material, and passes through
Its specific position is arranged so that the sound insulation property of this sound insulation electromagnetic shield door is preferable and cost is relatively low, and
And can effectively reduce the thickness of this sound insulation electromagnetic shield door.
Accompanying drawing explanation
Fig. 1 is the structural representation of the sound insulation electromagnetic shield door of preferred embodiment of the present utility model；
Fig. 2 is the design sketch that steel plate sound insulation property is improved by sound-insulating felt；
Fig. 3 is the defening effect figure of sound-insulating felt and plasterboard；
Fig. 4 is the enlarged drawing at the A of Fig. 1.
Detailed description of the invention
Understandable, below in conjunction with the accompanying drawings for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from
It is described in further detail with embodiment.
The utility model discloses a kind of sound insulation electromagnetic shield door.As it is shown in figure 1, be of the present utility model
The structural representation of the sound insulation electromagnetic shield door of preferred embodiment.
This sound insulation electromagnetic shield door includes: door leaf 1 and doorframe 2.The outside of this door leaf 1 is provided with first
Slotting tool 11 and the second slotting tool 12.Crimp with first slotting tool the 11, second slotting tool 12 the first of doorframe 2
The first slot 21 and the second slot 22 it is provided with on surface 23.The position of the first slotting tool 11 and first is inserted
The position of groove 21 is corresponding, and the position of the second slotting tool 12 is corresponding with the position of the second slot 22, makes sound insulation
In a closed condition, the first slotting tool 11 inserts in the first slot 21 electromagnetic shield door, the second slotting tool 12
Insert in the second slot 22.First slot 21 to the second slot 22 is closer to door leaf 1.First slot
Be each provided with a reed 211 on the two relative inwalls of 21, then the first slotting tool 11 inserts the first slot 21
After Nei, two reeds 211 can clamp the first slotting tool 11, thus is further carried to shielding and the effect of sound insulation.
Spacing between first slot 21 and the second slot 22 more than the first slot 21 two relative inwalls it
Between distance.Spacing between first slot 21 and the second slot 22 is biphase more than the second slot 22
To inwall between distance.
First slot 21 designs two-man act shielding construction, between the first slot 21 and the second slot 22 between
Every wider, on the one hand can form space and improve oise insulation factor, on the other hand can increase sealing herein and arrange
Execute, to improve oise insulation factor.
Sound insulation electromagnetic shield door of the present utility model, by arranging the first slot 21 and the second slot 22
Structure, makes formation multiple tracks jatharapanvartanasana chamber, and the shielding higher grade making this sound insulation electromagnetic shield door, sound insulation effect
Fruit more preferably, as external door according to GB8485-2008 standard detection sound insulation usefulness more than 40dB, reaches 5
Grade standard.The shield effectiveness of this sound insulation electromagnetic shield door reaches GJB5792-2006B level.
Preferably, in order to improve shielding and defening effect further, the bottom of the second slot 22 is provided with
First band 221.This first band 221 be preferably shaped to D type.Second slotting tool 12 at closing time
Effectively extruding the first band 221 reaches sealing effectiveness.
Preferably, in order to improve shielding and defening effect further, doorframe 2 also includes and the one of door leaf 1
The second surface 24 of surface crimping.The relative first surface 23 of second surface 24 is closer to door leaf 1.Second
The second band 222 it is provided with on surface 24.At closing time, exist between second surface 24 and door leaf 1
Gap, by arranging the second band 222 so that door leaf 1 effectively extrudes the second band 222 and reaches
Sealing effectiveness.Preferably, this second band 222 is I-shaped, thus can form ring-like sound insulation groove,
The two-layer sealant formed between door leaf 1 and doorframe 2, reaches preferable defening effect.
Preferably, this sound insulation electromagnetic shield door also includes door leaf shrouding 13 and door leaf sound insulating layer.Door leaf seals
Plate 13 is positioned on the outer surface of close second surface 24 of door leaf 1.Door leaf sound insulating layer is positioned at door leaf shrouding
In 13 cavities surrounded with door leaf 1.By the hollow being internally formed with door leaf 1 at door leaf shrouding 13
Chamber is conducive to improving sound insulation property.The sound insulation of door leaf can be made to imitate by filling cavity with door leaf sound insulating layer
Fruit is significantly improved.Preferably, the material of this door leaf shrouding 13 is carbon structural steels.Preferably, should
Door leaf 1 uses inside and outside double-layer steel plate structure, improves sound insulation and the effect of shielding further.
Preferably, this door leaf sound insulating layer includes: the door leaf gypsum board layer 14 of stacking setting and door leaf mineral wool
Layer 15.Door leaf gypsum board layer 14 than door leaf layer of mineral wool 15 away from the second surface with doorframe 2 of door leaf 1
The surface of 24 crimping.The sound insulation property of plasterboard and mineral wool both materials is relatively good, cost is the highest, and
And the plasterboard oise insulation factor that also can significantly improve plasterboard compound with deadening felt.
Preferably, door leaf sound insulating layer also includes door leaf sound insulation carpet veneer 16.Door leaf sound insulation carpet veneer 16 is close to door
Fan gypsum board layer 14.
The effective way of noise transmission is intercepted mainly: seal, stop shake, sound insulation, sound-absorbing through investigation and analysis.
Sound insulation, sound-absorbing and encapsulation process is carried out again on the basis of damping；Additionally selecting on material, it is also desirable to
Selection has some strength, is difficult to aging, good weatherability, moistureproof and waterproof, and anticorrosion is mothproof, nonflammable,
The preferably environment-friendly materials of fire protection flame retarding.Sound-insulating felt is by macromolecular material, metal dust and various auxiliary agent
Formulated, its material is frivolous, and (surface density of 1.2mm thickness sound-insulating felt is 2.3kg/m2, sound insulation usefulness is about
23dB；The surface density of 2.0mm thickness sound-insulating felt is 3.5kg/m2, insulate against sound usefulness about 29dB), hot strength
Greatly, material stiffness is high, and damping capacity is strong, and internal loss is big, without " coincidence effect ", the low frequency to noise
There is good sound insulation property, be provided simultaneously with damping behavior, be a kind of fire-retardant, harmless, lightweight of high-quality
Environment-friendly type sound insulating material.When sound insulation electromagnetic shield door is welded by carbon structural steels, due to sheet metal
Resonant frequency the most very much like, easily make when sound wave incident sheet metal produce resonance, simultaneously because
Sheet material is by sound wave bending vibration and intrinsic the matching from bending vibration of sheet material self, and at this moment sheet material is just obedient to
Follow incident acoustic wave bending, cause acoustic energy to be radiated opposite side in large quantities so that it is sound insulation property drops significantly
Low.Owing to fissipation factor β of common metal formula hard plate material is the least, the oise insulation factor of sheet metal to be improved,
The damping and amortization of sheet metal will be increased, for suppressing the vibration of thin plate, thus reduce structure transmission
Noise.The most effective that method is exactly to paste high damping material, i.e. free damping in metal sheet surface
Layer.Sound-insulating felt has the strongest damping characteristic, and sound-insulating felt is multiple with shield door steel plate as free layer damping
Close after pasting, make shield door steel plate have one layer of heavy damping layer, change the original resonant frequency of door-plate,
Its " coincide paddy " is offset one from another, effectively improves the door-plate sound insulation property at resonance low ebb, make plate
The overall sound insulation property of material is greatly improved, and steel plate sound insulation property is improved bright by sound-insulating felt after tested
Aobvious.As in figure 2 it is shown, be sound-insulating felt design sketch that steel plate sound insulation property is improved.As it is shown on figure 3, be
Sound-insulating felt and the defening effect figure of plasterboard.
It is preferred, therefore, that door leaf sound insulating layer also includes door leaf sound insulation carpet veneer 17.Door leaf sound insulation carpet veneer 17
Next-door neighbour's door leaf layer of mineral wool 15.
In a preferred embodiment, door leaf sound insulating layer includes: the door leaf sound insulation carpet veneer being cascading
17, door leaf layer of mineral wool 15, door leaf gypsum board layer 14 and door leaf sound insulation carpet veneer 16.As shown in Figure 4, for
Enlarged drawing at the A of Fig. 1.In this preferred embodiment, the thickness of door leaf sound insulation carpet veneer 16 is D1.
Door leaf gypsum board layer 14 thickness is D2.The thickness of door leaf layer of mineral wool 15 is D3.Door leaf sound insulation carpet veneer 17
Thickness be D4.Thickness near the door leaf 1 of door leaf sound insulation carpet veneer 16 is D5.Insulate against sound near door leaf
The thickness of the door leaf shrouding 13 of carpet veneer 17 is D6.So, the thickness that door leaf is overall
D=D1+D2+D3+D4+D5+D6.Use the collocation of each material of door leaf sound insulating layer of the present utility model,
Can make the overall THICKNESS CONTROL of door leaf within 100mm, less than the thickness of general same level sound insulation door leaf
Degree, reduces and installs the space that this door leaf is overall.
Preferably, this sound insulation electromagnetic shield door also includes doorframe shrouding 25 and doorframe sound insulating layer.Doorframe seals
Plate 25 is positioned on the outer surface away from first surface 23 of doorframe 2.Doorframe sound insulating layer is positioned at doorframe shrouding
In 25 cavities surrounded with doorframe 2.By the hollow being internally formed at doorframe shrouding 25 and doorframe 2
Chamber is conducive to improving sound insulation property.The sound insulation of doorframe 2 can be made by filling cavity with doorframe sound insulating layer
Effect significantly improves.Preferably, this doorframe 2 uses inside and outside double-layer steel plate structure, improve further every
Sound and the effect of shielding.
Preferably, doorframe sound insulating layer includes doorframe shrouding sound insulation carpet veneer 26, the doorframe ore deposit being cascading
Cotton layer 27 and doorframe shrouding sound insulation carpet veneer 28, doorframe shrouding sound insulation carpet veneer 26 is than doorframe shrouding sound insulation carpet veneer
28 further from the first surface 23 of doorframe 2.
Setting by three kinds of sound insulating materials so that the defening effect of this sound insulation electromagnetic shield door is excellent.
Preferably, this sound insulation electromagnetic shield door also includes: hinge 3, electrical control mechanism and retaining mechanism 4.
Hinge 3 connects door leaf 1 and doorframe 2, makes door leaf 1 and doorframe 2 can be movable relatively.Electrical control mechanism is positioned at
The top of door leaf 1.This hinge 3 and electrical control mechanism the overall dimensions that can reduce electromagnetic shield door is set.
Retaining mechanism 4 makes door leaf 1 and doorframe 2 lock or open.Electrical control mechanism and retaining mechanism 4 connect,
For driving retaining mechanism 4 to work, open or close door leaf 1.
Preferably, this electric control structure is outside equipped with acoustic hood, improves defening effect further.
In sum, sound insulation electromagnetic shield door of the present utility model, insert by arranging the first slot and second
The structure of groove, makes formation multiple tracks jatharapanvartanasana chamber, and the shielding higher grade making this sound insulation electromagnetic shield door, every
Sound effective value is more preferable, as external door according to GB8485-2008 standard detection sound insulation usefulness more than 40dB, reaches
To 5 grade standards.The shield effectiveness of this sound insulation electromagnetic shield door reaches GJB5792-2006B level.Pass through
Select specific sound insulating material, and arranged by its specific position so that this sound insulation electromagnetic shield door
Sound insulation property is preferable and cost is relatively low, and can effectively reduce the thickness of this sound insulation electromagnetic shield door.
Above to technical scheme, it is described in detail, specific case pair used herein
Principle and the embodiment of the present invention are set forth, and the explanation of above example is only intended to help to understand
The core concept of the present invention；Simultaneously for one of ordinary skill in the art, according to the embodiment of the present invention
Thought, the most all will change, in sum, this explanation
Book content should not be construed as the restriction to the embodiment of the present invention.
Claims (10)
1. a sound insulation electromagnetic shield door, including: door leaf and doorframe, it is characterised in that: described door leaf
Outside be provided with the first slotting tool and the second slotting tool, described doorframe with described first slotting tool, described second insert
It is provided with the first slot and the second slot, the position of described first slotting tool and institute on the first surface of cutter crimping
The position stating the first slot is corresponding, and the position of described second slotting tool is corresponding with the position of described second slot,
Making described sound insulation electromagnetic shield door in a closed condition, described first slotting tool inserts described first slot
In, described second slotting tool inserts in described second slot, and described first slot more leans on than described second slot
Nearly described door leaf, two relative inwalls of described first slot are each provided with a reed, and described first inserts
Spacing between groove and described second slot more than described first slot two relative inwalls between away from
From, the spacing between described first slot and described second slot is relative more than the two of described second slot
Distance between inwall.
Insulate against sound electromagnetic shield door the most as claimed in claim 1, it is characterised in that: described second slot
Bottom is provided with the first band.
Insulate against sound electromagnetic shield door the most as claimed in claim 1, it is characterised in that: described doorframe also includes
The second surface crimped with a surface of described door leaf, the most described first surface of described second surface more leans on
Nearly described door leaf, described second surface is provided with the second band.
Insulate against sound electromagnetic shield door the most as claimed in claim 3, it is characterised in that also includes: door leaf seals
Plate and door leaf sound insulating layer, described door leaf sound insulating layer is positioned at the hollow that described door leaf shrouding surrounds with described door leaf
Intracavity.
Insulate against sound electromagnetic shield door the most as claimed in claim 4, it is characterised in that described door leaf sound insulating layer
Including: the door leaf gypsum board layer of stacking setting and door leaf layer of mineral wool, described door leaf gypsum board layer is than described door
The surface that fan layer of mineral wool crimps away from the second surface with described doorframe of described door leaf.
Insulate against sound electromagnetic shield door the most as claimed in claim 5, it is characterised in that: described door leaf sound insulating layer
Also including door leaf sound insulation carpet veneer, described door leaf sound insulation carpet veneer is close to described door leaf gypsum board layer.
Insulate against sound electromagnetic shield door the most as claimed in claim 5, it is characterised in that: described door leaf sound insulating layer
Also include that door leaf sound insulation carpet veneer, described door leaf sound insulation carpet veneer are close to described door leaf layer of mineral wool.
Insulate against sound electromagnetic shield door the most as claimed in claim 1, it is characterised in that also includes: doorframe seals
Plate and doorframe sound insulating layer, described doorframe sound insulating layer is positioned at the hollow that described doorframe shrouding surrounds with described doorframe
Intracavity.
Insulate against sound electromagnetic shield door the most as claimed in claim 8, it is characterised in that: described doorframe sound insulating layer
Including the doorframe shrouding sound insulation carpet veneer being cascading, doorframe layer of mineral wool and doorframe shrouding sound insulation carpet veneer,
Described doorframe shrouding sound insulation carpet veneer than described doorframe shrouding sound insulation carpet veneer further from the first table of described doorframe
Face.
Insulate against sound electromagnetic shield door the most as claimed in claim 1, it is characterised in that also includes: hinge,
Electrical control mechanism and retaining mechanism, door leaf and described doorframe described in described chain connection；Described electrical control mechanism position
In the top of described door leaf, described electrical control mechanism is connected with described retaining mechanism, is used for driving described locking
Mechanism works.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620497544.8U CN205778349U (en) | 2016-05-26 | 2016-05-26 | Sound insulation electromagnetic shield door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620497544.8U CN205778349U (en) | 2016-05-26 | 2016-05-26 | Sound insulation electromagnetic shield door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205778349U true CN205778349U (en) | 2016-12-07 |
Family
ID=57408197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620497544.8U Active CN205778349U (en) | 2016-05-26 | 2016-05-26 | Sound insulation electromagnetic shield door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205778349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389475A (en) * | 2021-06-10 | 2021-09-14 | 中国电器科学研究院股份有限公司 | Primary and secondary sound absorption and insulation door structure for environmental working condition anechoic chamber |
-
2016
- 2016-05-26 CN CN201620497544.8U patent/CN205778349U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389475A (en) * | 2021-06-10 | 2021-09-14 | 中国电器科学研究院股份有限公司 | Primary and secondary sound absorption and insulation door structure for environmental working condition anechoic chamber |
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