CN200944728Y - Screening arrangement and electronic product using the same - Google Patents
Screening arrangement and electronic product using the same Download PDFInfo
- Publication number
- CN200944728Y CN200944728Y CN 200620017754 CN200620017754U CN200944728Y CN 200944728 Y CN200944728 Y CN 200944728Y CN 200620017754 CN200620017754 CN 200620017754 CN 200620017754 U CN200620017754 U CN 200620017754U CN 200944728 Y CN200944728 Y CN 200944728Y
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- CN
- China
- Prior art keywords
- shield shell
- electric conductor
- screening arrangement
- support
- shielded rack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a screening arrangement and electronic product using the same which comprises a shield shell, a shield frame, a first electric conductor and a support; the shield shell comprises an outer surface, a plurality of stop components and a plurality of positioning components, the stop components and the positioning components are respectively exposed outside the outer surface. The shield frame is arranged on the front end of the shield shell, which comprises a proper, a plurality of spring plates and a plurality of accommodating holes, wherein, the spring plates are respectively exposed on the inner surface of the proper; the accommodating holes can be arranged through the proper, and accommodate the positioning components; the first electric conductor is arranged outside the shield frame; the support is arranged at the front end of the shield shell and against the shield frame; the support comprises a plurality of support components and a support proper, the support components are shaped by bending from the support proper, the stop component of the shield shell is against one of the support components, the support components are used to support the first electric conductor, the first electric conductor can remove the gap between the shield device and the front board of the cabinet, so that an electromagnetic disturbance can be effectively shielded.
Description
Technical field
The utility model relates to a kind of screening arrangement, particularly a kind of effectively screening arrangement of shield electromagnetic interference.
Background technology
In optical communication system, the transmitting-receiving module provides the bidirectional data transfers between electric interface and optical data link.The transmitting-receiving module can receive the signal of telecommunication, and transmits in optical-fiber network after being converted into corresponding light signal; But receive and dispatch also receiving optical signals of module simultaneously, and be transferred to electric interface after being converted into the signal of telecommunication.
In the prior art, the transmitting-receiving module is installed on the printed circuit board (PCB) of main frame, input/output, ancillary equipment or switch.The transmitting-receiving module is plugged in the metal shell that is installed on the printed circuit board (PCB), described metal shell generally comprises two parallel side walls, rectangular-shaped top plate, rectangular base plate, front end and rear end, it is easy to interconnect, and be installed on easily on the printed circuit board (PCB), be used to eliminate accumulation of static electricity and as electromagnetic shielding shell.The transmitting-receiving module casing is earlier with after printed circuit board (PCB) combines, again will in conjunction with after integral installation in cabinet, and the front end of receiving and dispatching module casing is inserted in the opening of cabinet header board.Though this kind transmitting-receiving module casing maskable falls most electromagnetic interference, still can leak a small amount of electromagnetic wave between between its front opening, its front end and the cabinet header board and its rear end and the circuit board, effective shield electromagnetic interference consequently.
The utility model content
For solving the deficiency that above-mentioned prior art exists, be necessary to provide a kind of effectively screening arrangement of shield electromagnetic interference.
Need provide a kind of electronic product in addition with above-mentioned screening arrangement.
A kind of screening arrangement comprises a shield shell, a shielded rack, first electric conductor and a bracing frame.Shield shell comprises an outer surface, a plurality of stop section and a plurality of location division, and described stop section and described location division be protruding respectively to be exposed to described outer surface.Shielded rack is installed on the front end of described shield shell, and comprises a body, a plurality of shell fragment and a plurality of accepting hole, and the protruding respectively inner surface that is exposed to described body of described shell fragment, described accepting hole run through described body and accommodate described location division.First electric conductor is installed on the outside of shielded rack.Bracing frame is installed on the front end of described shield shell and against described shielded rack.Bracing frame comprises a plurality of support portions and a supporter, and described support portion forms from the bending of described supporter, and the stop section of described shield shell is against a support portion wherein, and described support portion is used to support described first electric conductor.
A kind of electronic product comprises a circuit board, a screening arrangement and a cabinet.Cabinet comprises a header board, and the front end of screening arrangement is loaded on described header board.Screening arrangement comprises that one is installed on shield shell on the circuit board, shielded rack and bracing frame, first electric conductor and one second electric conductor.First electric conductor is installed on the outside of shielded rack.Second electric conductor is installed on the rear end of described shield shell and against described rear wall and described sidewall.Shield shell comprises an outer surface, a plurality of stop section and a plurality of location division, and described stop section and described location division be protruding respectively to be exposed to described outer surface.Shielded rack is installed on the front end of described shield shell, and comprises a body, a plurality of shell fragment and a plurality of accepting hole, and the protruding respectively inner surface that is exposed to described body of described shell fragment, described accepting hole run through described body and accommodate described location division.Bracing frame is installed on the front end of described shield shell and against described shielded rack.Bracing frame comprises a plurality of support portions and a supporter, and described support portion forms from the bending of described supporter, and the stop section of described shield shell is against a support portion wherein, and described support portion is used to support described first electric conductor.
Because of screening arrangement comprises first electric conductor, when screening arrangement is installed to the cabinet header board, just do not have the slit between screening arrangement and the header board, thereby the electromagnetic wave that other outer electronic building brick of cabinet produces can not disturb the electronic building brick in the cabinet.Simultaneously, the electromagnetic wave of the generation of the electronic building brick in the cabinet can not disturb the outer electronic building brick of cabinet yet.
Description of drawings
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the three-dimensional exploded view of screening arrangement in the utility model execution mode.
Fig. 2 is the perspective bottom view of shield shell among Fig. 1.
Fig. 3 is the three-dimensional assembly diagram of shield shell among Fig. 1, first electric conductor and bracing frame.
Fig. 4 is that screening arrangement is assembled into three-dimensional assembly diagram on the circuit board in the utility model execution mode.
Fig. 5 is the three-dimensional assembly diagram that the assembly among Fig. 4 is assembled into the cabinet header board.
Embodiment
Please refer to Fig. 1 and Fig. 4, disclosed the screening arrangement 100 of this novel execution mode.Screening arrangement 100 is installed on the circuit board 200, comprises a shielded rack 10, one first electric conductor 20, bracing frame 30, a shield shell 40 and one second electric conductor 50.
Please be simultaneously with reference to Fig. 2, shield shell 40 is phosphor bronze or other metal material, it is roughly a hollow cuboid.Shield shell 40 comprise a roof 42, a pair of be parallel to each other and with the vertical sidewall that links to each other of roof 42 44, one with roof 42 and the described sidewall 44 vertical rear walls that link to each other 46 and one parallel with roof 42 and with the described sidewall 44 vertical diapires that link to each other 48.Roof 42, sidewall 44, rear wall 46 and diapire 48 surround a receiving space 400 jointly, and described receiving space 400 is used to accommodate transmitting-receiving module (not shown).A plurality of pins 442 are extended to circuit board 200 directions respectively in the bottom of described sidewall 44, and described pin 442 is used for shield shell 40 is installed on circuit board 200.Offer an opening 480 at the rear portion of diapire 48, described opening 480 is communicated with receiving space 400.The electric connector (not shown) that is installed on circuit board 200 sees through described opening 480 and electrically connects with the transmitting-receiving module.Diapire 48 also comprises a tongue piece 482 and a pair of location division 484, and tongue piece 482 is formed in the middle of the front end of diapire 48, and location division 484 is positioned at the both sides of tongue piece 482.
Described shield shell 40 also comprises an outer surface 49, one and outer surface 49 interior surface opposing 47, a plurality of stop section 424 and a plurality of holding parts 45, and described stop section 424 and holding parts 45 are stamped to form to outer surface 49 by inner surface 47 respectively.Stop section 424 and holding parts 45 at intervals and all are positioned at the front end of shield shell 40, and holding parts 45 is near the front opening of shield shell 40 simultaneously.Described stop section 424 is positioned at described roof 42, and described holding parts 45 lays respectively at described roof 42, described sidewall 44 and described diapire 48, and described stop section 424 is opposite with the direction that described holding parts 45 protrudes.
Shielded rack 10 is stainless steel or other metal material, and it is installed on the front end of shield shell 40.Described shielded rack 10 comprises a body 12, a plurality of shell fragment 14 and a plurality of accepting hole 16, the protruding respectively inner surface that is exposed to described body 12 of described shell fragment 14.Described accepting hole 16 runs through described body 12.Described body 12 comprises a top 122, a counter-lateral quadrents 124, a pair of bottom 126 and a breach 128, and described sidepiece 124 connects described top 122 and described bottom 126.Described breach 128 is formed between two bottoms 126.The width of breach 128 is slightly larger than the width of the tongue piece 482 of shield shell 40.
First electric conductor 20 is roughly the cuboid of a hollow, and it can be placed in the outside of shielded rack 10.In the present embodiment, first electric conductor 20 is a conducting foam, and there is the conduction alite paste on a surface.First electric conductor 20 comprises a depressed part 22 and four sidewalls, and described depressed part 22 is positioned at the centre of one of them sidewall.
Bracing frame 30 is used to support first electric conductor 20, and it is installed on the outside of shield shell 40.Bracing frame 30 comprises a supporter 32, a plurality of support portion 34 and a plurality of weld part 36.Supporter 32 comprises a junction 322, a pair of holding part that is parallel to each other 324, a pair of contact site 326 and an opening 328, and holding part 324 connects connecting portion 322 and contact site 326.Opening 328 is formed between two contact sites 326, and the width of opening 328 is slightly larger than the width of the tongue piece 482 of shield shell 40.Described support portion 34 forms from the outside Surface Vertical bending of the inner surface of the centre of described connecting portion 322, described holding part 324 and described contact site 326 respectively, and forms described weld part 36 respectively between the two ends of described contact site 326 and two adjacent support portions 34.
Second electric conductor 50 is for conductive material and certain elasticity is arranged, and it is installed on the rear end of shield shell 40 and against the rear wall 46 and the sidewall 44 of shield shell 40.Second electric conductor 50 is the rectangle structure of an end opening, and its inner surface 52 has the conduction alite paste.Described alite paste is used for second electric conductor 50 is pasted the rear end of shield shell 40.
Please refer to Fig. 3 to Fig. 5, during assembling, shielded rack 10 is enclosed within the front end of shield shell 40, the holding parts 45 of shield shell 40 is ejected from the accepting hole 16 of shielded rack 10, the shell fragment 14 that makes shielded rack 10 simultaneously is the sidewall 44 of clamping shield shells 40 and two location divisions 484 of diapire 48 respectively.Bracing frame 30 covers are installed to the front end of shield shell 40, make the support portion 34 of shield shell 40 stop sections 424 against bracing frame 30, and the holding part 324 that makes bracing frame 30 is seized the two side 44 and the shielded rack 10 of shield shell 40 on both sides by the arms, and be welded in weld part 36 places by some shielded rack 10, shield shell 40 and bracing frame 30 are welded as a whole this moment.Then first electric conductor 20 is set in the outside of shielded rack 10 and makes the tongue piece 482 of the depressed part 22 corresponding shield shells 40 of first electric conductor 20, and the one side of first electric conductor 20 is pasted the support portion 34 of bracing frame 30, by the inner surface 52 of second electric conductor 50 second electric conductor 50 is pasted the rear end of shield shell 40 simultaneously, shielded rack 10 like this, shield shell 40, bracing frame 30, first electric conductor 20 and second electric conductor 50 just are assembled into screening arrangement 100, the pin 442 of shield shell 40 is installed to circuit board 200, just screening arrangement 100 can be installed to circuit board 200.Then, the assembly with screening arrangement 100 and circuit board 200 is installed in the cabinet header board 300.
Because of the inner surface of shielded rack 10 convexes with a plurality of shell fragments 14, after the transmitting-receiving module was installed to shield shell 40, the slit between the inwall of transmitting-receiving module and shield shell 40 was sealed by the front opening of described shell fragment 14 at shield shell 40.So in use, the electromagnetic wave that is assembled in the transmitting-receiving module generation in the screening arrangement 100 is difficult for letting out from the front opening of shield shell 40, and the electromagnetic wave that while screening arrangement 100 outer electronic building bricks produce can not enter the shield shell 40 from the front opening of shield shell 40 yet.
Be installed to the rear end of shield shell 40 because of second electric conductor 50, so in use, the electromagnetic wave that electric connector and transmitting-receiving module produce can not revealed away because of the micro gap between shield shell 40 and circuit board, and the electromagnetic wave that screening arrangement 100 other outer electronic building bricks produce also is difficult for disturbing electric connector and transmitting-receiving module.
Please refer to Fig. 5, because of conducting foam has elasticity preferably, like this when screening arrangement 100 is installed to cabinet header board 300, just do not have the slit between screening arrangement 100 and the header board 300, thereby the electromagnetic wave that other outer electronic building brick of cabinet produces can not disturb the electronic building brick in the cabinet, simultaneously, the electromagnetic wave of the generation of the electronic building brick in the cabinet can not disturb the outer electronic building brick of cabinet yet.
Because of breach 128 makes shielded rack 10 have certain elasticity, thereby shielded rack 10 very easily overlaps the front end that installs to shield shell 40.
Because of bracing frame 30 has opening 328, thereby bracing frame 30 very easily opens to both sides, and bracing frame 30 just very easily overlaps the outside that installs to shield shell 40 and shielded rack 10 like this.
Claims (10)
1. screening arrangement, comprise a shield shell, a shielded rack, a bracing frame and first electric conductor that is installed on the described shielded rack outside, described shield shell comprises an outer surface, described shielded rack is installed on the front end of described shield shell, support frame as described above is installed on the front end of described shield shell and against described shielded rack, it is characterized in that:
Described shield shell comprises a plurality of stop sections and a plurality of location division, and described stop section and described location division be protruding respectively to be exposed to described outer surface;
Described shielded rack comprises a body, a plurality of shell fragment and a plurality of accepting hole, and the protruding respectively inner surface that is exposed to described body of described shell fragment, described accepting hole run through described body and accommodate described location division;
Support frame as described above comprises a plurality of support portions and a supporter, and described support portion forms from the bending of described supporter, and described stop section is against a support portion wherein, and described support portion is used to support described first electric conductor.
2. as claim 1 a described screening arrangement, wherein said first electric conductor is a conducting foam.
3. as claim 1 a described screening arrangement, wherein said shield shell also comprise one with described outer surface interior surface opposing, described stop section and described location division are stamped to form to described outer surface from described inner surface respectively.
4. as claim 1 a described screening arrangement, wherein said supporter comprises a junction, a pair of holding part and a pair of contact site, and described holding part connects described connecting portion and described contact site.
5. as claim 4 a described screening arrangement, wherein said support portion forms from the outside Surface Vertical bending of the middle inner surface of described connecting portion, described holding part and described contact site respectively.
6. as claim 5 a described screening arrangement, wherein said bracing frame also comprises a plurality of weld parts, and described welding position reaches the two ends of described contact site between two adjacent support portions.
7. electronic product, comprise a circuit board, a screening arrangement and a cabinet, describedly comprise a header board, the front end of described screening arrangement is installed on described header board, described screening arrangement comprises that one is installed on the shield shell on the described circuit board, a shielded rack, a bracing frame and first electric conductor that is installed on the described shielded rack outside, described shield shell comprises an outer surface, described shielded rack is installed on the front end of described shield shell, support frame as described above is installed on the front end of described shield shell and against described shielded rack, it is characterized in that:
Described shield shell comprises a plurality of stop sections and a plurality of location division, and described stop section and described location division be protruding respectively to be exposed to described outer surface;
Described shielded rack comprises a body, a plurality of shell fragment and a plurality of accepting hole, and the protruding respectively inner surface that is exposed to described body of described shell fragment, described accepting hole run through described body and accommodate described location division;
Support frame as described above comprises a plurality of support portions and a supporter, and described support portion forms from the bending of described supporter, and described stop section is against a support portion wherein, and described support portion is used to support described first electric conductor;
Described screening arrangement also comprises second electric conductor that is installed on the shield shell rear end.
8. electronic product as claimed in claim 7 is characterized in that: described first electric conductor is a conducting foam, is pasted on described support portion by bonding method.
9. electronic product as claimed in claim 7 is characterized in that: described second electric conductor has elasticity.
10. electronic product as claimed in claim 7 is characterized in that: described shield shell also comprise one with described outer surface interior surface opposing, described stop section and described location division are stamped to form to described outer surface from described inner surface respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620017754 CN200944728Y (en) | 2006-08-16 | 2006-08-16 | Screening arrangement and electronic product using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620017754 CN200944728Y (en) | 2006-08-16 | 2006-08-16 | Screening arrangement and electronic product using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200944728Y true CN200944728Y (en) | 2007-09-05 |
Family
ID=38719367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620017754 Expired - Fee Related CN200944728Y (en) | 2006-08-16 | 2006-08-16 | Screening arrangement and electronic product using the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200944728Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411410A (en) * | 2010-09-23 | 2012-04-11 | 鸿富锦精密工业（深圳）有限公司 | Computer cabinet |
| CN109219232A (en) * | 2017-07-03 | 2019-01-15 | 印可得株式会社 | The manufacturing method of circuit board, the circuit board with electromagnetic wave shielding function and the flat cable for utilizing the circuit board |
| CN110381715A (en) * | 2018-04-13 | 2019-10-25 | 乾坤科技股份有限公司 | Shielding magnetic device and its manufacturing method |
| US11615905B2 (en) | 2016-04-20 | 2023-03-28 | Vishay Dale Electronics, Llc | Method of making a shielded inductor |
-
2006
- 2006-08-16 CN CN 200620017754 patent/CN200944728Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411410A (en) * | 2010-09-23 | 2012-04-11 | 鸿富锦精密工业（深圳）有限公司 | Computer cabinet |
| US11615905B2 (en) | 2016-04-20 | 2023-03-28 | Vishay Dale Electronics, Llc | Method of making a shielded inductor |
| CN109219232A (en) * | 2017-07-03 | 2019-01-15 | 印可得株式会社 | The manufacturing method of circuit board, the circuit board with electromagnetic wave shielding function and the flat cable for utilizing the circuit board |
| CN110381715A (en) * | 2018-04-13 | 2019-10-25 | 乾坤科技股份有限公司 | Shielding magnetic device and its manufacturing method |
| CN114615874A (en) * | 2018-04-13 | 2022-06-10 | 乾坤科技股份有限公司 | Shielding magnetic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070905 Termination date: 20090916 |