CN1194600C - Electromagnetic interference shield assemblies - Google Patents
Electromagnetic interference shield assemblies Download PDFInfo
- Publication number
- CN1194600C CN1194600C CNB021009457A CN02100945A CN1194600C CN 1194600 C CN1194600 C CN 1194600C CN B021009457 A CNB021009457 A CN B021009457A CN 02100945 A CN02100945 A CN 02100945A CN 1194600 C CN1194600 C CN 1194600C
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- electromagnetic interference
- electronic product
- resistant device
- interference resistant
- assembly
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Abstract
The present invention relates to an electromagnetic interference resistance device which is applied to electronic products and mainly comprises a U-shaped component and an elastic slice component, wherein the U-shaped component is embedded in shells of the electric products to be used for fixedly connecting the electromagnetic interference resistance device in the electric products. Additionally, the elastic slice component is used for shielding the electromagnetic interference of the electric products, is connected with the bottom board of the U-shaped component, extends to the opening section of the U-shaped component along the two sides of the U-shaped component and bulges out of the shell of the electric products.
Description
Technical field
The present invention relates to a kind of electromagnetic wave isolation mounting, particularly relate to a kind of be applied in the electronic product and in order to the electromagnetic interference resistant device of shielding electromagnetic wave.
Background technology
Electronic information industry in recent years is flourish, the use of especially various electronics and IT products also is more prevalent, its electronics and IT products are under the development trend of volume-diminished, exist unwanted voltage or electric current between inner each system and produce a large amount of wideband noises, seriously influence each apparatus function, claim that generally this phenomenon is electromagnetic interference (Electromagnetic Interference; Be called for short EMI).Wherein computer manufacturing industry EMI problem is quite complicated, and its interference source comprises that microprocessor (CPU), motor, commutator, relay, switch, transistor, amplifier, Power Supply Unit or other switched circuits etc. produce obvious interference.
In order to ensure that electronics, electric equipment products can suitably operate under the electromagnetic environment, countries in the world are implemented electromagnetic compatibility control successively, to many motor electronics, communication, industrial science medical or similar products, all work out the standard of electromagnetic interference, require to produce the product that the dealer sells to this state or regional markets and all must detect, could peddle in market sale after meeting rules through the electromagnetic compatibility laboratory of approval.
Generally speaking, the reason that Electromagnetic Interference takes place in the electronics and IT products may be from the internal system line design the bad or not good institute of electric wave shielding (Shielding) extremely.Traditionally in order to solve the caused problem of Electromagnetic Interference in the electronics and IT products, except that the poor design that can improve circuit, still can utilize an electromagnetic shielding material in order to absorb or to intercept electromagnetic wave, this electromagnetic shielding material comprises conducting foam (Conductive Shielding Gasket), conductive metal foil (Metal Foil) etc.The conducting foam that is widely used in electronic products such as PC, server and mobile phone at present is a strip structure, and its structure is formed by a foam outer wrapping one conductive fabric.Conducting foam can also provide the selection of various electronics and IT products spatial configuration with its shape miscellaneous except that good electromagnetic shielding effect can be provided, meet the restriction on the electronic product mechanism design.
But conducting foam also has some defectives in the use, for example: when engaging or driving fit part (between for example upper and lower casing) in the information electronic product, often there is the space to exist because can't combine closely, if need when this joint is strengthened electromagnetic isolation effect, can't directly only conducting foam can be affixed on the upper and lower casing joint outside outward because having certain thickness, the effect of electromagnetic interference is isolated in reinforcement.Yet, aforementionedly also can wreck when opening upper and lower casing, and must attach new conducting foam again, so make attach conducting foam in upper and lower casing joint become very improper.Therefore,, must invent a kind of electromagnetic interference resistant device, be applied to driving fit place in the electronic product, isolate, and the conducting foam of replacement tradition use is to meet the requirement of electronic product safety regulations because of the bad electromagnetic wave that leaks outside of driving fit based on the consideration of above-mentioned factor.
Summary of the invention
A purpose of the present invention is to provide a kind of electromagnetic wave isolation mounting, and being applied to must the driving fit part in the electronic product.
A further object of the present invention is to provide a kind of electromagnetic interference resistant device that is applied in the electronic product, to meet the safety regulations requirement of electronic product about electromagnetic interference.
The object of the present invention is achieved like this, and a kind of electromagnetic interference resistant device that is applied in the electronic product promptly is provided, and this device mainly comprises a U type assembly and a shell fragment assembly.Wherein this U type assembly has a U type profile, this U type assembly is combined by a base plate of and arranged on left and right sides wall and connection two side at least, U type assembly is fixed in the casing of these electric equipment products, in order to this electromagnetic interference resistant device is fixedly connected in the electric equipment products.In addition, the shell fragment assembly is in order to shield the electromagnetic interference of this electronic product.This shell fragment assembly is connected in the base plate of U type assembly, and along between two walls of U type assembly, to the opening portion extension of U type assembly, and protrudes from outside this electric equipment products casing.Between upper and lower two casings of electronic product, form a resilient engagement closely, shield the inner electromagnetic wave that produces of this electronic product effectively, reach the safety requirements of isolated electromagnetic interference.
The present invention also provides a kind of anti-electromagnetic interference (EMI) device that is installed in the electronic product enclosure, this device comprises at least: an installation component, in order to this electromagnetic interference resistant device is fixedly connected in this electronic product enclosure, wherein this installation component has a U type profile, at least a base plate that comprises the two side and connect this two side, this installation component are fixed in this electronic product enclosure and utilize this two side to be fastened on this electronic product enclosure; An and shell fragment assembly, in order to shield the electromagnetic interference of this electronic product, wherein first end of this shell fragment assembly is connected in this base plate, and second end of this shell fragment assembly is along between this two side, extends to the opening portion of this installation component to protrude from outside the height of this two side upper limb.
Description of drawings
Figure 1A is the side elevation view of electromagnetic interference resistant device of the present invention;
Figure 1B is the underside view of electromagnetic interference resistant device of the present invention;
Fig. 2 A is the end view of electromagnetic interference resistant device of the present invention;
Fig. 2 B is the vertical view of electromagnetic interference resistant device of the present invention;
Fig. 3 is for using the schematic diagram of electromagnetic interference resistant device of the present invention in electronic product.
Embodiment
The invention provides a kind of electronic product inside that is applied to, and in order to the electromagnetic interference resistant device of isolating electromagnetic, to meet the safety regulations requirement of electronic product about electromagnetic interference.Below will describe electromagnetic interference resistant device of the present invention in detail with an embodiment.
As shown in Figure 1A and Figure 1B, wherein Figure 1A shows the side elevation view of electromagnetic interference resistant device 100 of the present invention, and Figure 1B then shows the underside view of electromagnetic interference resistant device 100 of the present invention.Consult Figure 1A and Figure 1B simultaneously, electromagnetic interference resistant device 100 mainly comprises the two large divisions, one is U type assembly 110, another is a shell fragment assembly 120, this U type assembly 110 all is a metal material with shell fragment assembly 120, for instance, can be the stainless steel metal material, produce the corrosion spot in the electromagnetic interference resistant device surface when avoiding actual use, influence the isolating electromagnetic effects of jamming.
From the above, U type assembly 110 is in order to be fixedly connected on electromagnetic interference resistant device of the present invention in the electronic product.This installation component 110 has the section of a U type profile, and this U type profile is at least by and arranged on left and right sides wall 112, and a base plate 114 that connects two side 112 combines.In addition, this U type assembly 110 can also be imbedded in the electronic product, and utilizes two side 112 to be fastened on this electronic product effectively.
On the other hand, the electromagnetic wave that produced in order to screening electron product inner body of the shell fragment assembly 120 in the electromagnetic interference resistant device 100 of the present invention.Wherein, shell fragment assembly 120 is connected in base plate 114, and along the two side of U type assembly 110 112, extends to the opening portion of U type assembly 110, and protrudes from outside the height of two side 112 upper limbs.
More particularly, the two side 112 of above-mentioned U type assembly 110 also comprises a projection 116, with so that electromagnetic interference resistant device 100 when imbedding in the electronic product, can closely be fastened on this electronic product.For example, closely be fastened in the casing of electronic product.In addition, left and right two sidewall upper limbs of above-mentioned U type assembly 110 also comprise a header field 118, use so that left and right two sidewall upper limbs are cross-placed on the groove that holds this electromagnetic interference resistant device 100 in the electronic product enclosure.
Consult Fig. 2 A, it shows the end view of electromagnetic interference resistant device 100 of the present invention.Wherein, first end 122 of shell fragment assembly 120 is connected in the base plate 114 of U type assembly 110, and second end 124 of this shell fragment assembly 120 also comprises a bending part 126, along the two side of U type assembly 110 112, opening portion to this U type assembly 110 extends, and protrudes from outside the height of this two side upper limb.In other words, this bending part 126 is higher than the height of this two side header field 118, when electromagnetic interference resistant device 100 of the present invention is applied to electronic product, can in electronic product, need driving fit part formation one resilient engagement closely, and shield the inner electromagnetic interference that produces of this electronic product effectively, reach the safety standard requirements of isolated electromagnetic interference.Fig. 2 B then shows the vertical view of electromagnetic interference resistant device 100 of the present invention.
Consult Fig. 3, it shows electromagnetic interference resistant device 100 of the present invention is applied to schematic diagram in the electronic product.As scheme to show, can apply the present invention in the casing 200 of electronic product.Wherein, casing 200 can be the upper casing or the lower casing of electronic product.When electromagnetic interference resistant device 100 of the present invention is installed in casing 200, must on casing 200, form a groove, again this electromagnetic interference resistant device 100 is imbedded in this groove, utilize the projection 116 and header field 118 of U type assembly 110, electromagnetic interference resistant device 100 is closely fastened and be cross-placed on the periphery of this electronic product enclosure.In addition, because the bending part 126 of shell fragment assembly 120 is higher than the height of this two side header field 118, the height that promptly is higher than electronic product enclosure 200 peripheries, and second end 124 of shell fragment assembly 120 is a free end, so shell fragment assembly 120 has suitable elasticity.More particularly, electromagnetic interference resistant device 100 of the present invention is actual needs, on electronic product enclosure 200, under suitable spacing, imbeds several apparatus of the present invention.When the casing 200 of electronic product during with another casing (not shown) driving fit, each electromagnetic interference resistant device 100 all can form a resilient engagement closely between upper and lower two casings of electronic product, and the electromagnetic wave that this electronic product inside of shielding produces between the space of upper and lower two casings effectively reaches the safety requirement of isolated electromagnetic interference.Thus, the Electromagnetic Interference situation that electronic product causes owing to the space between its casing on the conventional art will be improved.
In sum, electromagnetic interference resistant device of the present invention can be applicable in the general electronic products, for example be applied to various computers, as the inner any interelement that needs driving fit of electronic products such as PC, notebook computer or server, particularly between the computer upper and lower enclosure, utilize rubber-like elastic parts in the electromagnetic interference resistant device reach with upper and lower casing between tight the contact, so that good electromagnetic interference blanketing effect to be provided.
Abovely disclosed the present invention in conjunction with preferred embodiment, yet it is not in order to limiting the present invention, the equivalence that all spirit that discloses by the present invention is finished changes or modifies, and all should be included in the claim scope of the present invention.
Claims (14)
1. electromagnetic interference resistant device that is applied to electronic product, this device comprises at least:
One U type assembly, in order to this electromagnetic interference resistant device is fixedly connected in this electronic product, wherein this U type assembly has a U type profile, and this U type assembly is combined by a base plate of and arranged on left and right sides wall and connection two side at least, and this U type assembly is fixed in the casing of this electronic product; And
One shell fragment assembly, in order to shield the electromagnetic interference of this electronic product, wherein this shell fragment assembly is connected in the base plate of this U type assembly, and along between the two side of this U type assembly, to the opening portion extension of this U type assembly, and protrudes from outside this electronic product enclosure.
2. electromagnetic interference resistant device as claimed in claim 1, wherein above-mentioned shell fragment assembly comprise that also a bending part is higher than the height of this two side upper limb, in order to and this electronic product enclosure between form resilient engagement closely, shield the electromagnetic interference of this electronic product.
3. electromagnetic interference resistant device as claimed in claim 1 also comprises a projection on each sidewall surfaces of wherein above-mentioned U type assembly, with so that this electromagnetic interference resistant device is fastened on this electronic product enclosure.
4. electromagnetic interference resistant device as claimed in claim 1, each sidewall upper limb of wherein above-mentioned U type assembly also comprises a header field, with so that each this sidewall upper limb is cross-placed on this electronic product enclosure.
5. electromagnetic interference resistant device as claimed in claim 1, wherein above-mentioned U type assembly and this shell fragment assembly are metal material.
6. electromagnetic interference resistant device as claimed in claim 5, wherein above-mentioned metal material is a stainless steel material.
7. electromagnetic interference resistant device as claimed in claim 1, wherein above-mentioned electronic product also comprises computer.
8. one kind is installed on the interior electromagnetic interference resistant device of electronic product enclosure, and this device comprises at least:
One installation component, in order to this electromagnetic interference resistant device is fixedly connected in this electronic product enclosure, wherein this installation component has a U type profile, at least a base plate that comprises the two side and connect this two side, this installation component are fixed in this electronic product enclosure and utilize this two side to be fastened on this electronic product enclosure; And
One shell fragment assembly, in order to shield the electromagnetic interference of this electronic product, wherein first end of this shell fragment assembly is connected in this base plate, and second end of this shell fragment assembly is along between this two side, extends to the opening portion of this installation component to protrude from outside the height of this two side upper limb.
9. electromagnetic interference resistant device as claimed in claim 8, this second end of wherein above-mentioned shell fragment assembly comprises that also a bending part is higher than the height of this two side upper limb, in order to and this electronic product enclosure between form resilient engagement closely, shield the electromagnetic interference of this electronic product.
10. electromagnetic interference resistant device as claimed in claim 8 wherein also comprises a projection on each sidewall surfaces of above-mentioned installation component, with so that this electromagnetic interference resistant device is fastened on this electronic product enclosure.
11. electromagnetic interference resistant device as claimed in claim 8, wherein each sidewall upper limb of above-mentioned installation component also comprises a header field, with so that each this sidewall upper limb is cross-placed on this electronic product enclosure.
12. electromagnetic interference resistant device as claimed in claim 8, wherein above-mentioned installation component and this shell fragment assembly are metal material.
13. electromagnetic interference resistant device as claimed in claim 12, wherein above-mentioned metal material are stainless steel material.
14. electromagnetic interference resistant device as claimed in claim 8, wherein above-mentioned electronic product also comprises computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021009457A CN1194600C (en) | 2002-01-09 | 2002-01-09 | Electromagnetic interference shield assemblies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021009457A CN1194600C (en) | 2002-01-09 | 2002-01-09 | Electromagnetic interference shield assemblies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1431862A CN1431862A (en) | 2003-07-23 |
| CN1194600C true CN1194600C (en) | 2005-03-23 |
Family
ID=4739525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021009457A Expired - Fee Related CN1194600C (en) | 2002-01-09 | 2002-01-09 | Electromagnetic interference shield assemblies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1194600C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101686595B (en) * | 2008-09-25 | 2014-11-05 | 鸿富锦精密工业（深圳）有限公司 | Electronic device and conducting strip thereof |
| JP5343784B2 (en) * | 2009-09-16 | 2013-11-13 | 住友電気工業株式会社 | Module for optical communication |
-
2002
- 2002-01-09 CN CNB021009457A patent/CN1194600C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1431862A (en) | 2003-07-23 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050323 Termination date: 20160109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |