CN202077332U - Shielding structure used for inhibiting leakage of linking gap of shelter wall panel - Google Patents
Shielding structure used for inhibiting leakage of linking gap of shelter wall panel Download PDFInfo
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- CN202077332U CN202077332U CN 201020697828 CN201020697828U CN202077332U CN 202077332 U CN202077332 U CN 202077332U CN 201020697828 CN201020697828 CN 201020697828 CN 201020697828 U CN201020697828 U CN 201020697828U CN 202077332 U CN202077332 U CN 202077332U
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Abstract
The utility model belongs to the field of an electromagnetic shielding technology, in particular to a shielding structure used for inhibiting leakage of a linking gap of a shelter wall panel. The shielding structure used for inhibiting leakage of the linking gap of the shelter wall panel is characterized in that a gap 5 exists between a metal plate 1 and a metal plate 2; a smooth copper adhesive tape 4 is adhered and fixed on the metal plate 1 and the metal plate 2 and completely covers the gap 5 existing between the metal plate 1 and the metal plate 2; a smooth aluminum adhesive tape 3 is adhered on the upper surface of the smooth copper adhesive tape 4; the area of the smooth aluminum adhesive tape 3 is larger than the area of the smooth copper adhesive tape 4, and the smooth aluminum adhesive tape 3 completely covers the upper surface of the smooth copper adhesive tape 4, so that the periphery of the smooth aluminum adhesive tape 3 is fixedly adhered on the metal plate 1 and the metal plate 2. In the shielding structure used for inhibiting the leakage of the linking gap of the shelter wall panel, a processing method is simple and reliable; moreover, the shielding effectiveness covering frequency range of the metal connecting plate and the shielding component gap of shielding facilities is large; and the shielding structure used for inhibiting the leakage of the linking gap of the shelter wall panel is applicable to shielding the electromagnetic leakage of the gap connected by an electronic shelter and various shielding facilities.
Description
Technical field
The utility model belongs to the electromangnetic spectrum field, and particularly a kind of metal fishplate bar, shield member connect a kind of shielding construction that is used to suppress shelter wallboard link slit leakage of electromagnetic slot-leakage.
Background technology
At present, along with the modern military development of electronic technology, make the residing electromagnetic environment of military electronics embody following characteristics:
● frequency range is towards two extreme expansions fast of low frequency, high frequency, at present the electromagnetic frequency scope of using from infrasonic tens Hz to optical communication, tens GHz such as infrared, photoelectricity are to GHz up to a hundred;
● frequency spectrum is intensive, and a large amount of electronics frequency spectrums mainly concentrate on 9kHz～40GHz;
● the closeness and the integrated level of equipment or system increase greatly, cause originally many efficient ways such as the spatial separation that can adopt in little equipment of volume, limited space or system, layout to adopt;
● the sensitivity of receiving equipment and system improves, and causes its anti-jamming capacity greatly to weaken;
● the transmitting power of high-power transmitter increases, and causes its interference to other equipment or system to increase;
● many commander's information systems are faced with the requirement that information security is maintained secrecy.
Because the requirement of operational mobility, the shielding shelter has obtained to use widely in military electronic system.Above-mentioned factor makes the electromagnetic environment of equipment or system worsen, and causes the not good electronics shelter of screening effectiveness serious electromagnetic leakage phenomenon to occur.Shelter shielding processing method in the past often adopts the metal solder mode, but tiny hole seam leakage occurs on solder side easily like this, and electromagnetic interference that not only can not good restraining 9kHz～18GHz has also been wasted a large amount of time.Obviously,, screen wide for frequency coverage imitated when requiring high electronics shelter rectification and making and do not met the demands.
Summary of the invention
The purpose of this utility model is to provide a kind of shielding construction that reveal in shelter wallboard link slit that is used to suppress, this shielding construction is simple, reliable, and can make the screening effectiveness covering frequence scope of metal fishplate bar, shield member seam of shield facility wide, be applicable to the shielding that is connected electromagnetic slot-leakage of electronics shelter and various shield facilities.
The technical solution of the utility model is: a kind of shielding construction that is used to suppress shelter wallboard link slit leakage, it is characterized in that: between two metallic plates 1 and metallic plate 2, have slit 5, smooth copper adhesive tape 4 is adhesively fixed on two metallic plates 1 and the metallic plate 2 and all covers on the slit 5 that exists between metallic plate 1 and the metallic plate 2, smooth copper adhesive tape 4 upper surfaces have covered smooth aluminum adhesive tape 3, the area of smooth aluminum adhesive tape 3 is greater than the area of smooth copper adhesive tape 4, and all cover smooth copper adhesive tape 4 upper surfaces, make smooth aluminum adhesive tape 3 peripheral fixed bondings on two metallic plates 1 and metallic plate 2.
The copper base material thickness of described smooth copper adhesive tape 4 is 0.02mm～0.06mm, and band glue gross thickness is 0.06mm～0.1mm.
The copper substrate intensity of described smooth copper adhesive tape 4 is 35.5～49.7N/m, and adhesive strength is 3.83N/m, and the impedance by adhesive linkage is 0.005 Ω, and operating temperature range is-40 ℃～200 ℃, and screening effectiveness is 60dB～80dB.
The aluminium base thickness of described smooth aluminum adhesive tape 3 is 0.03mm～0.07mm; Band glue gross thickness is 0.07mm～0.1mm.
The aluminium base intensity of described smooth aluminum adhesive tape 3 is 35.5～49.7N/m, and adhesive strength is 3.83N/m, and the impedance by adhesive linkage is 0.010 Ω, and operating temperature range is-40 ℃～200 ℃, and screening effectiveness is 60dB～70dB.
Be connected with on the described smooth aluminum adhesive tape 3 and reinforce corner fittings 7.
Described reinforcing corner fittings 7 is fixing with two metallic plates 1 and metallic plate 2 by rivet 6 alternating expressions.
Described reinforcing corner fittings 7 is the 90 mutual vertical metal gussets of degree or the metal plate of 180 degree.
Described rivet 6 is the interior flanging formulas that link closely, distance≤5cm between adjacent two rivets 6.
The beneficial effects of the utility model are: owing to adopt two material shieldings of smooth aluminum adhesive tape 3 and smooth copper adhesive tape 4, can be good at having concurrently simultaneously skin effect and magnetic conduction effect, make that shield effectiveness is splendid and the covering frequence scope is wide, method is simple, easy to assemble, simultaneously also special excessive, the preponderance of this shield, the structure when seam is long at metallic plate and required shield member area, increased by the fixing reinforcing corner fittings of rivet, because rivet is the interior flanging formula that links closely, adjacent two rivet pitches≤5cm are not so can produce electromagnetic leakage.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the shield structural representation that embodiment 1 connects electromagnetic slot-leakage;
Fig. 2 is the reinforcing shield structural representation that embodiment 2 connects electromagnetic slot-leakage;
Among the figure: 1, right metallic plate; 2, left metallic plate; 3, smooth aluminum adhesive tape; 4, smooth copper adhesive tape; 5, slit; 6, rivet; 7, reinforce corner fittings.
Embodiment
The computational methods that the utility model is used to suppress the shielding revealed in shelter wallboard link slit are according to following windage computing formula (following formula belongs to known formula):
For simultaneous a plurality of electromagnetic leakage key element N, establishing each screening effectiveness that leaks key element is SE
iI=1,2 ..., N, then i leakage rate of leaking key element is
In the formula, E
BeforeThe field that the signal field source is produced when shielding for not adding.
Then total leakage field is
The screening effectiveness of shelter
By formula 3 as can be seen, the worn-out usefulness of the screen of shelter be actually by each leak produce in the key element maximum leakage key element determined, promptly be imitate minimum link by the weakest screen of shielding to determine.Therefore design must be noted that each local link and factor to shelter.
The utility model is not limited only to the foregoing description.
The copper base material thickness of described smooth copper adhesive tape 4 is 0.02mm～0.06mm, and band glue gross thickness is 0.06mm～0.1mm.
The copper substrate intensity of described smooth copper adhesive tape 4 is 35.5～49.7N/m, and adhesive strength is 3.83N/m, and the impedance by adhesive linkage is 0.005 Ω, and operating temperature range is-40 ℃～200 ℃, and screening effectiveness is 60dB～80dB.
The aluminium base thickness of described smooth aluminum adhesive tape 3 is 0.03mm～0.07mm; Band glue gross thickness is 0.07mm～0.1mm.
The aluminium base intensity of described smooth aluminum adhesive tape 3 is 35.5～49.7N/m, and adhesive strength is 3.83N/m, and the impedance by adhesive linkage is 0.010 Ω, and operating temperature range is-40 ℃～200 ℃, and screening effectiveness is 60dB～70dB.
Be connected with on the described smooth aluminum adhesive tape 3 and reinforce corner fittings 7.
Described reinforcing corner fittings 7 is fixing with two metallic plates 1 and metallic plate 2 by rivet 6 alternating expressions.
Described reinforcing corner fittings 7 is 90 mutual vertical metal gussets of degree or 180 degree metal plates.
Described rivet 6 is the interior flanging formulas that link closely, distance≤5cm between adjacent two rivets 6.
Claims (9)
1. one kind is used to suppress the shielding construction that reveal in shelter wallboard link slit, it is characterized in that: at two metallic plates (1,2) there is slit (5) between, smooth copper adhesive tape (4) is adhesively fixed on two metallic plates (1,2) go up and all cover metallic plate (1,2) on the slit (5) that exists between, smooth copper adhesive tape (4) upper surface has covered smooth aluminum adhesive tape (3), the area of smooth aluminum adhesive tape (3) is greater than the area of smooth copper adhesive tape (4), and all cover smooth copper adhesive tape (4) upper surface, make the peripheral fixed bonding of smooth aluminum adhesive tape (3) at two metallic plates (1,2) on.
2. according to according to the described a kind of shielding construction that reveal in shelter wallboard link slit that is used to suppress of claim 1, it is characterized in that: the copper base material thickness of described smooth copper adhesive tape (4) is 0.02mm～0.06mm, and band glue gross thickness is 0.06mm～0.1mm.
3. according to according to the described a kind of shielding construction that reveal in shelter wallboard link slit that is used to suppress of claim 1, it is characterized in that: the copper substrate intensity of described smooth copper adhesive tape (4) is 35.5～49.7N/m, adhesive strength is 3.83N/m, impedance by adhesive linkage is 0.005 Ω, operating temperature range is-40 ℃～200 ℃, and screening effectiveness is 60dB～80dB.
4. according to according to the described a kind of shielding construction that reveal in shelter wallboard link slit that is used to suppress of claim 1, it is characterized in that: the aluminium base thickness of described smooth aluminum adhesive tape (3) is 0.03mm～0.07mm; Band glue gross thickness is 0.07mm～0.1mm.
5. according to according to the described a kind of shielding construction that reveal in shelter wallboard link slit that is used to suppress of claim 1, it is characterized in that: the aluminium base intensity of described smooth aluminum adhesive tape (3) is 35.5～49.7N/m, adhesive strength is 3.83N/m, impedance by adhesive linkage is 0.010 Ω, operating temperature range is-40 ℃～200 ℃, and screening effectiveness is 60dB～70dB.
6. according to according to the described a kind of shielding construction that is used to suppress shelter wallboard link slit leakage of claim 1, it is characterized in that: be connected with on the described smooth aluminum adhesive tape (3) and reinforce corner fittings (7).
7. according to according to the described a kind of shielding construction that is used to suppress shelter wallboard link slit leakage of claim 6, it is characterized in that: reinforce corner fittings (7) and two metallic plates (1,2) are fixed by rivet (6) alternating expression.
8. according to according to the described a kind of shielding construction that reveal in shelter wallboard link slit that is used to suppress of claim 6, it is characterized in that: described reinforcing corner fittings (7) is the 90 mutual vertical metal gussets of degree or the metal plates of 180 degree.
9. according to according to the described a kind of shielding construction that reveal in shelter wallboard link slit that is used to suppress of claim 7, it is characterized in that: described rivet (6) is the interior flanging formula that links closely, distance≤5cm between adjacent two rivets (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020697828 CN202077332U (en) | 2010-12-20 | 2010-12-20 | Shielding structure used for inhibiting leakage of linking gap of shelter wall panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020697828 CN202077332U (en) | 2010-12-20 | 2010-12-20 | Shielding structure used for inhibiting leakage of linking gap of shelter wall panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202077332U true CN202077332U (en) | 2011-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020697828 Expired - Fee Related CN202077332U (en) | 2010-12-20 | 2010-12-20 | Shielding structure used for inhibiting leakage of linking gap of shelter wall panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202077332U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106211734A (en) * | 2016-09-08 | 2016-12-07 | 河南民生特种装备有限公司 | The electromagnetic shielding chamber of metallic plate externally-packed structure and processing technology |
| CN109768439A (en) * | 2017-11-09 | 2019-05-17 | 泰连公司 | Pluggable module with seam lid |
| CN114423267A (en) * | 2021-12-31 | 2022-04-29 | 航天东方红卫星有限公司 | Method for shielding structural gap of cabin with high shielding requirement |
-
2010
- 2010-12-20 CN CN 201020697828 patent/CN202077332U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106211734A (en) * | 2016-09-08 | 2016-12-07 | 河南民生特种装备有限公司 | The electromagnetic shielding chamber of metallic plate externally-packed structure and processing technology |
| CN109768439A (en) * | 2017-11-09 | 2019-05-17 | 泰连公司 | Pluggable module with seam lid |
| CN114423267A (en) * | 2021-12-31 | 2022-04-29 | 航天东方红卫星有限公司 | Method for shielding structural gap of cabin with high shielding requirement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20141220 |
|
| EXPY | Termination of patent right or utility model |