CN201438809U - electromagnetic interference suppression module - Google Patents
electromagnetic interference suppression module Download PDFInfo
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- CN201438809U CN201438809U CN2009201609878U CN200920160987U CN201438809U CN 201438809 U CN201438809 U CN 201438809U CN 2009201609878 U CN2009201609878 U CN 2009201609878U CN 200920160987 U CN200920160987 U CN 200920160987U CN 201438809 U CN201438809 U CN 201438809U
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- protrusion
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Abstract
An electromagnetic interference suppression module comprises at least one metal gasket arranged on a circuit board; the metal gasket comprises a welding part and a grounding part which are connected with each other; at least one fixed convex lug of a connector is welded on the welding part; and at least one raised object on a grounding casing is in contact with the grounding part, so that the connector is electrically connected to the grounding casing.
Description
Technical field
The utility model is about a kind of inhibition module, and particularly relevant for a kind of inhibition module of electromagnetic interference.
Background technology
In today that development in science and technology is maked rapid progress, electronic installation miscellaneous becomes an indispensable part in modern's life.Complicated along with electronic apparatus functions interconnects with the chance of Data transmission also more and more frequent between the different electronic installations.Modal connected mode between electronic installation is the transmission of carrying out data by connecting line.
For instance, (Universal Serial Bus, the USB) wire rod of specification connect notebook computer and digital camera to utilize USB.The two ends of USB wire rod are connected to the USB connector of notebook computer and the USB connector of digital camera, transfer to notebook computer with the image that will deposit in the digital camera.In notebook computer, USB connector (or other output/input connectors) often by one or more lug of connector itself, is fixed on the circuit board of notebook computer.The housing of notebook computer has corresponding opening, so as to exposing connector.
Yet, when notebook computer in the test of carrying out electromagnetic interference or static discharge, or when the user touches the connector that is exposed to housing, connector can be because be subjected to the influence of electromagnetic interference or electrostatic charge, can't normal operation.Under serious situation, or even the phenomenon that can cause connector to damage.
In order to solve such problem, the practice that industry is general is to use metal clips (spring finger), conducting foam (gasket) or aluminium foil elements such as (foil), it is arranged between connector and the housing, so that connector is electrically connected at housing.The mode of the extra setting element of this kind between connector and housing, the inconvenience when not only increasing the notebook computer assembling has more increased cost simultaneously.
The utility model content
Therefore, the purpose of this utility model just provides a kind of electromagnetic interference inhibition module that can address the above problem.
In order to realize the purpose of this utility model, according to an embodiment of the present utility model, provide a kind of electromagnetic interference to suppress module, comprise a circuit board, a metallic gasket, a connector and one first rack earth at least.Circuit board has at least one welding hole, connects a relative first surface and the second surface of circuit board.Metallic gasket is arranged on the first surface, and comprises a weld part and a grounding parts.The welding position is around welding hole, and grounding parts is connected weld part.Connector is arranged on second surface, and has at least one attaching clamp.Attaching clamp passes welding hole, and is welded in weld part.First rack earth has one first protrusion, and its contact is positioned at the grounding parts on the first surface, to electrically connect the connector and first rack earth.
According to an embodiment of the present utility model, first protrusion is a cylinder, a polygon post, a cone, a multiple-angle pyramid or a circular-arc protrusion.
According to another embodiment of the present utility model, be positioned at the shape of corresponding first protrusion of shape of the grounding parts on the first surface.
According to another embodiment of the present utility model, be positioned at the area of the grounding parts on the first surface, greater than the area that is positioned at the weld part on the first surface.
According to another embodiment of the present utility model, be positioned at the area of the grounding parts on the first surface, more than or equal to the sectional area that is positioned at first protrusion on the first surface.
According to an embodiment more of the present utility model, first rack earth comprises one first electroplated metal layer, in order to be electrically connected at an external ground face.
According to another embodiment of the present utility model, first electroplated metal layer covers first protrusion, and first protrusion is positioned at the grounding parts of first surface via the contact of first electroplated metal layer.
According to another embodiment of the present utility model, metallic gasket also is arranged on the second surface.Be arranged on the metallic gasket that reaches on the first surface on the second surface, comprise weld part and grounding parts respectively.
According to another embodiment of the present utility model, the attaching clamp of connector is welded on and is positioned at first and second lip-deep weld part.
According to another embodiment of the present utility model, electromagnetic interference suppresses module and also comprises one second rack earth, and it has one second protrusion, and contact is positioned at the grounding parts on the second surface, to electrically connect the connector and second rack earth.
According to another embodiment of the present utility model, second rack earth comprises one second electroplated metal layer, in order to be electrically connected at the external ground face.
According to another embodiment of the present utility model, second electroplated metal layer covers second protrusion, and second protrusion contacts the grounding parts that is positioned on the second surface via second electroplated metal layer.
According to another embodiment of the present utility model, second protrusion is a cylinder, a polygon post, a cone, a multiple-angle pyramid or a circular-arc protrusion.
According to another embodiment of the present utility model, be positioned at the area of the grounding parts on the second surface, greater than the area that is positioned at the weld part on the second surface.
According to another embodiment of the present utility model, be positioned at the area of the grounding parts on the second surface, more than or equal to the sectional area that is positioned at second protrusion on the second surface.
The electromagnetic interference of the utility model embodiment suppresses module, utilize protrusion on the rack earth to be contacted with the mode of the grounding parts of metallic gasket, allow connector directly be electrically connected at rack earth, static discharge and the electromagnetic interference that connector suffered can be directed at rack earth, effectively promote the running quality of connector.In addition, do not need between circuit board and the casing elements such as metal clips and conducting foam additionally are set, can save cost.
Description of drawings
For above-mentioned and other purposes of the present utility model, feature, advantage and embodiment can be become apparent, the description of the drawings is as follows:
Figure 1A illustrates the stereogram that suppresses module according to a kind of electromagnetic interference of the utility model one embodiment.
Figure 1B illustrates the end view of electromagnetic interference inhibition module among Figure 1A.
Fig. 2 A illustrates the stereogram that suppresses module according to a kind of electromagnetic interference of another embodiment of the utility model.
Fig. 2 B illustrates the end view of electromagnetic interference inhibition module among Fig. 2 A.
Fig. 3 illustrate according to the utility model again a kind of electromagnetic interference of an embodiment suppress the end view of module.
The main element symbol description
100: electromagnetic interference suppresses 251: the first rack earths of module
110: circuit board 251a: first protrusion
110a: 252: the second rack earths of welding hole
111: first surface 252a: second protrusion
112: 255: the first electroplated metal layers of second surface
130: 256: the second electroplated metal layers of metallic gasket
130a: weld part 290: connector
130b: grounding parts 291: attaching clamp
Rack earth 300 in 151: the first: electromagnetic interference suppresses module
151a: first protrusion 310: circuit board
155: the first electroplated metal layer 310a: welding hole
190: connector 311: first surface
191: attaching clamp 312: second surface
200: electromagnetic interference suppresses module 330: metallic gasket
210: circuit board 330a: weld part
210a: welding hole 330b: grounding parts
211: first surface 351a: first protrusion
212: second surface 352a: second protrusion
230: metallic gasket 390: connector
230a: weld part 391: attaching clamp
230b: grounding parts G: external ground face
Embodiment
The electromagnetic interference of the utility model embodiment suppresses module, in order to will be arranged on the connector on the circuit board, utilizes rack earth to be electrically connected to the external ground face, so as to the electromagnetic interference with the isolated outside of connector, to keep the running quality of connector.
Please be simultaneously with reference to Figure 1A and Figure 1B, Figure 1A illustrates the stereogram that suppresses module according to a kind of electromagnetic interference of the utility model one embodiment, and Figure 1B illustrates the end view of electromagnetic interference inhibition module among Figure 1A.Electromagnetic interference suppresses module 100 and comprises a circuit board 110, a metallic gasket 130 and one first rack earth 151.Circuit board 110 has at least one welding hole 110a.Shown as Figure 1B, electromagnetic interference suppresses in the module 100, and circuit board 110 is an example to have a plurality of welding hole 110a.Welding hole 110a connects circuit board 110 relative a first surface 111 and a second surface 112 respectively.Metallic gasket 130 is arranged on the first surface 111.First rack earth 151 and first surface 111 are positioned at the homonymy of circuit board 110.First rack earth 151 has one first protrusion 151a, and the first protrusion 151a contacts with the metallic gasket 130 of part.
Furthermore, metallic gasket 130 comprises a weld part 130a, and its correspondence is positioned at around each welding hole 110a.A plurality of attaching clamps 191 of connector 190 pass each welding hole 110a from second surface 112 correspondences respectively, and are welded on each weld part 130a.In the practical application, connector 190 for example is (the Institute of Electrical and Electronics Engineering of electronic motor engineering association, IEEE) 1394 connectors, USB (Universal Serial Bus, USB) connector, perhaps other output/input connectors.In addition, connector 190 for example is to be welded on the weld part 130a that is positioned on the first surface 111 via scolding tin.
In addition, metallic gasket 130 also comprises a grounding parts 130b, and it is connected weld part 130a.The first protrusion 151a of first rack earth 151 contacts with the grounding parts 130b of metallic gasket 130.In one embodiment, be positioned at the area of the grounding parts 130b on the first surface 111 greater than the area that is positioned at the weld part 130a on the first surface 111.The area of grounding parts 130b makes the protrusion 151a that wins electrically be contacted with grounding parts 130b well more than or equal to the sectional area of the first protrusion 151a, can promote the ground connection effect.
In addition, first rack earth 151 comprises one first electroplated metal layer 155, in order to be electrically connected at an external ground face G.First electroplated metal layer 155 is covered in the first protrusion 151a of first rack earth 151 at least, and the first protrusion 151a is contacted with the metallic gasket 130 that is positioned on the first surface 111 via first electroplated metal layer 155.Therefore, when connector 190 suffers electromagnetic interference or static discharge, can be electrically connected to external ground face G via attaching clamp 191, weld part 130a, grounding parts 130b and first electroplated metal layer 155, and then can suppress electromagnetic interference, and the problem of avoiding static discharge to destroy.
In one embodiment, connector 190 has two attaching clamps 191, and circuit board 110 correspondences have two welding hole 110a, is positioned at the both sides person of connector 190 shown in Figure 1A and Figure 1B.Metallic gasket 130 is configured in corresponding two welding hole 110a parts, and the metallic gasket 130 that is positioned at connector 190 left and right sides comprises weld part 130a and grounding parts 130b separately.In addition, in the present embodiment, the first protrusion 151a is example with two cylinders, and is shown as Figure 1B.Two cylinders are contacted with the grounding parts 130b of the metallic gasket 130 that is positioned at connector 190 both sides respectively, so as to connector 190 being electrically connected to external ground face G.
Yet the first protrusion 151a does not exceed with cylindrical, and for instance, the first protrusion 151a also can be polygon post, cone, multiple-angle pyramid, circular-arc protrusion etc.Every surface that protrudes from first rack earth 151 can all can be applicable to this in order to be contacted with the metallic gasket that is positioned on the first surface 111.In the practical application, the number of welding hole 110a is equal to the number of the attaching clamp 191 of connector 190, and the shape of the corresponding first protrusion 151a of the shape of grounding parts 130b.In addition, the number of the welding hole 110a on the circuit board 110, and the configuration mode of metallic gasket 130 does not exceed with the state shown in Figure 1A and Figure 1B equally.
For instance, when connector 190 had an attaching clamp 191, correspondence had a welding hole 110a on the circuit board 110.Metallic gasket 130 corresponding this welding hole 110a configurations.Accordingly, the first protrusion 151a comprises a cylinder, is contacted with the grounding parts 130b at corresponding welding hole 110a place.When connector 190 had four attaching clamps 191, correspondence had four welding hole 110a on the circuit board 110.Metallic gasket 130 corresponding four welding hole 110a configurations, and the metallic gasket 130 at corresponding each welding hole 110a place comprise weld part 130a and grounding parts 130b separately.Accordingly, the first protrusion 151a comprises four cylinders, is contacted with the grounding parts 130b at corresponding each welding hole 110a place respectively.
Please be simultaneously with reference to Fig. 2 A and Fig. 2 B, Fig. 2 A illustrates the stereogram that suppresses module according to a kind of electromagnetic interference of another embodiment of the utility model, and Fig. 2 B illustrates the end view of electromagnetic interference inhibition module among Fig. 2 A.Electromagnetic interference suppresses in the module 200, and circuit board 210 has a plurality of welding hole 210a, and each welding hole 210a connects circuit board 210 opposite first 211 and second surface 212 respectively.In addition, metallic gasket 230 is arranged on the first surface 211 and on the second surface 212.Be positioned at the metallic gasket 230 on first and second surface 211 and 212, comprise weld part 230a and grounding parts 230b separately.A plurality of attaching clamps 291 of connector 290 pass this a little welding hole 210a, and are welded on the weld part 230a that is positioned on the first surface 211, and are welded on the weld part 230a that is positioned on the second surface 212.
In addition, electromagnetic interference suppresses module 200 and comprises one first rack earth 251 and one second rack earth 252, is arranged on the relative both sides of circuit board 210.First rack earth 251 is arranged on first surface 211 tops of circuit board 210, and has one first protrusion 251a.Second rack earth 252 is arranged on the second surface 212 of circuit board 210, and has one second protrusion 252a.The first protrusion 251a is contacted with the grounding parts 230b that is positioned on the first surface 211, and the second protrusion 252a is contacted with the grounding parts 230b that is positioned on the second surface 212.
Be positioned at the area of the grounding parts 230b on the first surface 211, greater than the area that is positioned at the weld part 230a on the first surface 211.Be positioned at the area of the grounding parts 230b on the second surface 212, greater than the area that is positioned at the weld part 230a on the second surface 212.In addition, be positioned at the area of the grounding parts 230b on the first surface 211 more than or equal to the sectional area that is positioned at the first protrusion 251a on the first surface 211.The area that is positioned at the grounding parts 230b on the second surface 212 is more than or equal to the sectional area that is positioned at the second protrusion 252a on the second surface 212.So make metallic gasket 230 be contacted with first and second protrusion 251a and 252a respectively well, can promote the quality of electrical contact, and then promote the ground connection effect.
Furthermore, first rack earth 251 comprises one first electroplated metal layer 255, in order to be electrically connected at external ground face G.First electroplated metal layer 255 covers the first protrusion 251a, and the first protrusion 251a contacts the grounding parts 230b that is positioned on the first surface 211 via first electroplated metal layer 255.In addition, second rack earth 252 comprises one second electroplated metal layer 256, in order to be electrically connected at external ground face G.Second electroplated metal layer 256 covers the second protrusion 252a, and the second protrusion 252a contacts the grounding parts 230b that is positioned on the second surface 212 via second electroplated metal layer 256.
In one embodiment, the first protrusion 251a and the second protrusion 252a are example with two cylinders respectively, and be shown as Fig. 2 A.Yet the shape of first and second protrusion 251a and 252a is not exceeded with cylindrical.For instance, first and second protrusion 251a and 252a also can be respectively one or more polygon post, cone, multiple-angle pyramid, circular-arc protrusion etc.In the practical application, be positioned at the corresponding first protrusion 251a of shape of the grounding parts 230b of first surface 211, be positioned at the corresponding second protrusion 252a of shape of the grounding parts 230b of second surface 212, in addition, the first protrusion 251a and the second protrusion 252a can comprise different shapes respectively, for instance, the first protrusion 251a can comprise cylinder, and the second protrusion 252a can comprise the polygon post.
Please refer to Fig. 3, its illustrate according to the utility model again a kind of electromagnetic interference of an embodiment suppress the end view of module.Electromagnetic interference suppresses in the module 300, and circuit board 310 has a plurality of welding hole 310a, and each welding hole 310a connects the first surface 311 and the second surface 312 of circuit board 310 respectively.Metallic gasket 330 is arranged on first surface 311 and the second surface 312.Be positioned at the metallic gasket 330 that reaches on the first surface 311 on the second surface 312, comprise weld part 330a and grounding parts 330b separately.
In one embodiment, connector 390 has two attaching clamps 391, and circuit board 310 correspondences have two welding hole 310a, is positioned at the both sides of connector 390.Be positioned at the weld part 330a on the first surface 311, be configured in corresponding two welding hole 310a parts, lay respectively at the both sides of connector 390.Grounding parts 330b on the first surface 311 is between the weld part 330a of both sides.Weld part 330a on the second surface 312 is configured in corresponding two welding hole 310a parts, lays respectively at the both sides of connector 390.Grounding parts 330b on the second surface 312 is configured in connector 390 both sides equally, and is connected to the weld part 330a of connector 390 both sides.
In addition, the first protrusion 351a is a cylinder, and the second protrusion 352a is two cylinders.The first protrusion 351a is contacted with and is positioned on the first surface 311, and the grounding parts 330b between the weld part 330a of both sides.Second protrusion 352a contact is positioned on the second surface 312, and is positioned at the grounding parts 330b of connector 390 both sides.In this way, connector 390 is electrically connected to external ground face G via the metallic gasket 330 on attaching clamp 391, the first surface 311 and the first protrusion 351a.In addition, connector 390 is electrically connected to external ground face G simultaneously via the metallic gasket 330 on attaching clamp 391, the second surface 312 and the second protrusion 352a.
In one embodiment, the first protrusion 351a and the second protrusion 352a are example with a cylinder and two cylinders respectively, go out as shown in Figure 3A.Yet the shape of first and second protrusion 351a and 352a is not exceeded with cylindrical.For instance, first and second protrusion 351a and 352a also can be respectively polygon post, cone, multiple-angle pyramid, circular-arc protrusion etc.In the practical application, be positioned at the corresponding first protrusion 351a of shape of the grounding parts 330b of first surface 311, be positioned at the corresponding second protrusion 352a of shape of the grounding parts 330b of second surface 312, in addition, the first protrusion 351a and the second protrusion 252a can comprise different shapes respectively, for instance, the first protrusion 351a can comprise a cylinder, and the second protrusion 352a can comprise two polygon posts.
Above-mentioned electromagnetic interference according to the utility model embodiment suppresses module, is to form protrusion on rack earth, and metallic gasket is set on circuit board.The attaching clamp of connector is welded on the weld part of metallic gasket, and protrusion is contacted with the grounding parts of metallic gasket.Whereby, connector can be electrically connected to the external ground face, avoid connector to suffer the problem of electromagnetic interference and static discharge, can keep the running quality of connector.In addition, be contacted with the mode of metallic gasket, do not need additionally between rack earth and circuit board, conducting element to be set, can reduce number of elements and save cost by protrusion.
Though the utility model with execution mode openly as above; right its is not in order to limit the utility model; any those skilled in the art; in not breaking away from spirit and scope of the present utility model; when being used for a variety of modifications and variations, therefore protection range of the present utility model is as the criterion when looking claims person of defining.
Claims (20)
1. an electromagnetic interference suppresses module, it is characterized in that, comprises at least:
One circuit board has at least one welding hole, connects a relative first surface of this circuit board and a second surface;
One metallic gasket is arranged on this first surface, and comprises:
One weld part, be positioned at this at least one welding hole around; And
One grounding parts is connected this weld part;
A connector is arranged on this second surface, and this connector has at least one attaching clamp, passes this at least one welding hole, and is welded in this weld part; And
One first rack earth has one first protrusion, and contact is positioned at this grounding parts on this first surface, to electrically connect this connector and this first rack earth.
2. module according to claim 1 is characterized in that, this first protrusion is cylinder, polygon post, cone, multiple-angle pyramid or circular-arc protrusion.
3. module according to claim 1 is characterized in that, the shape that is positioned at this grounding parts on this first surface is to shape that should first protrusion.
4. module according to claim 1 is characterized in that, is positioned at the area of this grounding parts on this first surface, greater than the area that is positioned at this weld part on this first surface.
5. module according to claim 1 is characterized in that, is positioned at the area of this grounding parts on this first surface, more than or equal to the sectional area that is positioned at this first protrusion on this first surface.
6. module according to claim 1 is characterized in that this metallic gasket also is arranged on this second surface, be arranged on this first and this second surface on this metallic gasket comprise this weld part and this grounding parts respectively.
7. module according to claim 6 is characterized in that, this at least one attaching clamp be welded on be positioned at this first and this second surface on this weld part.
8. module according to claim 6 is characterized in that, also comprises:
One second rack earth has one second protrusion, and contact is positioned at this grounding parts on this second surface, to electrically connect this connector and this second rack earth.
9. module according to claim 8 is characterized in that, this second protrusion is cylinder, polygon post, cone, multiple-angle pyramid or circular-arc protrusion.
10. module according to claim 9 is characterized in that, the shape that is positioned at this grounding parts on this second surface is to shape that should second protrusion.
11. module according to claim 1 is characterized in that, this first rack earth comprises:
One first electroplated metal layer, in order to be electrically connected at an external ground face, this first electroplated metal layer covers this first protrusion, and this first protrusion is positioned at this grounding parts of this first surface via this first electroplated metal layer contact.
12. module according to claim 11 is characterized in that, this first protrusion is cylinder, polygon post, cone, multiple-angle pyramid or circular-arc protrusion.
13. module according to claim 12 is characterized in that, is positioned at the area of this grounding parts on this first surface, greater than the area that is positioned at this weld part on this first surface.
14. module according to claim 13 is characterized in that, is positioned at the area of this grounding parts on this first surface, more than or equal to the sectional area that is positioned at this first protrusion on this first surface.
15. module according to claim 11 is characterized in that, this metallic gasket also is arranged on this second surface, be arranged on this first and this second surface on this metallic gasket comprise this weld part and this grounding parts respectively.
16. module according to claim 15 is characterized in that, also comprises:
One second rack earth has one second protrusion, and contact is positioned at this grounding parts on this second surface, to electrically connect this connector and this second rack earth.
17. module according to claim 16 is characterized in that, this second rack earth comprises:
One second electroplated metal layer, in order to be electrically connected at this external ground face, this second electroplated metal layer covers this second protrusion, and this second protrusion contacts this grounding parts that is positioned on this second surface via this second electroplated metal layer.
18. module according to claim 17 is characterized in that, this second protrusion is cylinder, polygon post, cone, multiple-angle pyramid or circular-arc protrusion.
19. module according to claim 18 is characterized in that, is positioned at the area of this grounding parts on this second surface, greater than the area that is positioned at this weld part on this second surface.
20. module according to claim 19 is characterized in that, is positioned at the area of this grounding parts on this second surface, more than or equal to the sectional area that is positioned at this second protrusion on this second surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201609878U CN201438809U (en) | 2009-07-22 | 2009-07-22 | electromagnetic interference suppression module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201609878U CN201438809U (en) | 2009-07-22 | 2009-07-22 | electromagnetic interference suppression module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201438809U true CN201438809U (en) | 2010-04-14 |
Family
ID=42400777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201609878U Expired - Lifetime CN201438809U (en) | 2009-07-22 | 2009-07-22 | electromagnetic interference suppression module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201438809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102487599A (en) * | 2010-12-02 | 2012-06-06 | 广达电脑股份有限公司 | Method for preparing conductive gasket on shell, shell and assembling method of electronic device |
-
2009
- 2009-07-22 CN CN2009201609878U patent/CN201438809U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102487599A (en) * | 2010-12-02 | 2012-06-06 | 广达电脑股份有限公司 | Method for preparing conductive gasket on shell, shell and assembling method of electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100414 |
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| CX01 | Expiry of patent term |