CN100338986C - Shielding device for electronic element - Google Patents
Shielding device for electronic element Download PDFInfo
- Publication number
- CN100338986C CN100338986C CNB2004100064508A CN200410006450A CN100338986C CN 100338986 C CN100338986 C CN 100338986C CN B2004100064508 A CNB2004100064508 A CN B2004100064508A CN 200410006450 A CN200410006450 A CN 200410006450A CN 100338986 C CN100338986 C CN 100338986C
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- pin
- electronic component
- base plate
- circuit base
- metal
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Abstract
The present invention relates to a shielding device for an electronic element, which mainly comprises a metal insertion piece composed of a first pin, a second pin and an n-shaped cover body, wherein the first and the second pins are respectively inserted in the regions on both sides of the electronic element and are electrically connected with the ground terminal of a circuit substrate; the n-shaped cover body is butted with the top of a metal outer shell of the electronic element and is clamped on both sides of the metal outer shell. The present invention has the efficiencies that the metal insertion piece can reduce the noise of electromagnetic interference; the metal insertion piece can be firmly assembled on the metal outer shell and can be fixed without high-temperature electric welding, and thus, the reliability of assembly is improved.
Description
Technical field
The invention relates to a kind of masking device of electronic component, particularly relevant for a kind of masking device with electronic component of anti electromagnet interference function.
Background technology
Quartzy concussion element is made of with clock pulse generator (Clock generator) quartz crystal (Quartz Crystal), crystal oscillator (Oscillator).In application facet, quartzy concussion element can be welded on the circuit base plate by surface mount technology (SMT) or pin insert type (PTH), so that microprocessor or other low order or high-order process chip to be provided, and required clock signal under a specific operating frequency.Therefore, quartzy concussion element can be widely used on the product of personal computer (PC) and high frequency circuits such as portable computer, LCD (LCD), communication high-order product scope, wideband network (for example ADSL), hub, 10/100MHz interchanger and router.
Along with electronic equipment is constantly popularized, the internal wiring of electronic equipment disposes crystal oscillator of all kinds (crystal oscillators) or voltage control oscillator electronic components such as (VCO), and these electronic components all might be the main sources that electromagnetic scattering takes place, therefore needing exploitation badly can suppress electromagnetic interference (Electromagnetic Interference, EMI) countermeasure and method are to meet the standard of the anti-system of Electromagnetic Interference.For the foregoing reasons, the exploitation and the research of the quartz of low Electromagnetic Interference (EMI) concussion element also just become the key technology that each tame manufacturer reduces noise ratio, keeps the high-transmission quality gradually.
Fig. 1 and Fig. 2 are respectively the schematic diagram of the electronic component of known two kinds of anti-system Electromagnetic Interference.Please refer to Fig. 1, electronic component 100 for example shakes element for quartz or other is subject to the concussion element of electromagnetic interference, it inserts the technology of (for example DIP pin) with pin and is disposed on the surface of circuit base plate 110, and formation electrically conducts with circuit base plate 110 welding to see through pin (not illustrating), so that a clock signal that periodically shakes accurately to be provided, as the reference frequency of microprocessor (not illustrating) and interlock circuit or the usefulness of timing.In addition, electronic component 100 has a metal shell 102, for example is the shell that stainless steel or aluminium alloy are made, and leaks or is subjected to the interference of external noise in order to prevent electromagnetic wave.Yet, on the countermeasure of anti-system Electromagnetic Interference, in order thoroughly to solve the noise jamming of electronic component 100, known technology is that the earth terminal (for example being metal shell 102) that designs electronic component 100 electrically contacts by the mode of direct scolding tin 112 with the earth terminal (for example being ground plane ground plane) of circuit base plate 110, to reduce the noise of electromagnetic interference.Then please refer to Fig. 2, in the known technology, also have with the mode of the external pin 114 of electric welding earth terminal (for example being metal shell 102) electrically to contact, with the noise of minimizing electromagnetic interference with the earth terminal (for example being ground plane) of circuit base plate 110 with electronic component 100.
Yet, be easy to generate high temperature during the external pin 114 of known direct scolding tin 112 or electric welding, thus destroy the vibrations stability of quartzy concussion element and cause a deviation spend big.In addition, known expense with manpower electric welding processed is too high, do not meet economic benefit, and problems such as processing is difficult for, scolding tin 112 loose contact rates are higher, vibration test is easily loosening that the mode of direct spot welding causes easily owing to stainless steel casing 102 tin absorbing property differences, thereby the reliability of overall package obviously reduces.
Summary of the invention
Purpose of the present invention is exactly that a kind of masking device of electronic component is being provided, and in order to the noise of minimizing electromagnetic interference, and keeps the high-transmission quality.
Another object of the present invention provides a kind of masking device of electronic component, can overcome problems such as known processing is difficult for, scolding tin loose contact rate is higher, vibration test is easily loosening, and then improves the reliability of overall package.
For reaching above-mentioned purpose of the present invention, the present invention proposes a kind of metal insert, is suitable for electrically connecting between an electronic component and the circuit base plate, and electronic component arrangements is in the surface of circuit base plate, and electronic component has a metal shell, and circuit base plate has an earth terminal.This metal insert comprises one first pin at least, and the circuit base plate correspondence has one first patchhole.Wherein, first pin can be inserted in first and insert in the hole, and electrically connects by a scolder with the earth terminal of circuit base plate.In addition, the top of metal insert also has one first lid, and it is covered in the top of metal shell.
For reaching above-mentioned purpose of the present invention, the present invention proposes a kind of masking device of electronic component, be suitable for being assembled on the circuit base plate, and circuit base plate has an earth terminal, the masking device of this electronic component mainly comprises an electronic component and a metal insert, electronic component arrangements is on circuit base plate, and electronic component has a metal shell, and its surface is the earthed surface of electronic component.In addition, the bottom of metal insert has one first pin and one second pin, and it is welded in the earth terminal of circuit base plate respectively, and first and second pin lays respectively at the both sides of electronic component.In addition, the top of metal insert also has a ㄇ type lid, and it is connected between first and second pin, and ㄇ type lid can connect the top that is butted on metal shell, and is held on the both sides of metal shell.
Described according to preferred embodiment of the present invention, first and second pin and the ㄇ type lid of above-mentioned metal insert are integrally formed, and its material can be tinplate, foreign copper-nickel alloy or other metal material.In addition, being connected in first and second pin place and also can forming one first clamping part and one second clamping part respectively of ㄇ type lid, it inwardly is held on the both sides of metal shell.
The present invention because of adopt can external pin electronic component and masking device thereof, to reduce the noise of electromagnetic interference.Therefore, present embodiment is preventing on the countermeasure of Electromagnetic Interference, can meet the standard of the anti-system of Electromagnetic Interference.In addition, the pin of metal insert and circuit base plate are crossed the tin stove simultaneously and are electrically conducted, so need be through the mode of high temperature scolding tin or the external pin of electric welding, comparatively speaking, present embodiment is with the vibrations stability of survivable quartzy concussion element, and the reliability of assembling also can obviously promote.
Description of drawings
Fig. 1 and Fig. 2 are respectively the schematic diagram of the electronic component of known two kinds of anti-system Electromagnetic Interference.
Fig. 3 A and Fig. 3 B are respectively the metal insert of a kind of anti-electromagnetic interference of a preferred embodiment of the present invention, and it assembles the schematic diagram after preceding and the assembling.
Fig. 4 A and Fig. 4 B are before the metal insert of the another kind of anti-electromagnetic interference of the present invention is assembled and the schematic diagram after the assembling.
100: electronic component
102: metal shell
110: circuit base plate
112: scolding tin
114: external pin
200: electronic component
202: metal shell
210: circuit base plate
212: the first patchholes
214: the second patchholes
220: metal insert
222: the first pins
224: the second pins
226: ㄇ type lid
228a: first clamping part
228b: second clamping part
300: electronic component
302: metal shell
310: circuit base plate
312: patchhole
314: scolder
320: metal insert
322: the first pins
326: lid
328: the first depressed parts
Embodiment
Fig. 3 A and Fig. 3 B are respectively a kind of circumscribed metal insert of a preferred embodiment of the present invention, and it assembles the schematic diagram after preceding and the assembling.Please refer to Fig. 3 A, electronic component 200 has the metal shell 202 of an oval column, its material for example is that stainless steel or aluminium alloy are made, and electronic component 200 for example is quartzy concussion element, active member or the passive device etc. that shake element or be subject to electromagnetic interference.The bottom of electronic component for example is welded on the circuit base plate 210 with pin (not illustrating) inserted mode, so that a clock signal that periodically shakes accurately to be provided, as the reference frequency of microprocessor (not illustrating) and interlock circuit or the usefulness of timing.Wherein, metal shell 202 is preventing that electromagnetic wave from leaking or avoid being subjected to have certain effect in the interference of external noise, and the surface of metal shell 202 also can be used as the earthed surface of electronic component 200, to reduce the noise of electromagnetic interference.In addition, on the countermeasure of anti-system Electromagnetic Interference, present embodiment is design one a circumscribed metal insert 220, and it can be fixed on the circuit base plate 210, and can be clamped on the both sides of metal shell 202, shown in Fig. 3 A and Fig. 3 B.
Please refer to Fig. 3 A, the bottom of metal insert 220 for example has one first pin 222 and one second pin 224, and circuit base plate 210 correspondences have one first patchhole 212 and one second patchhole 214, respectively through the circuit base plate 210 of the two side areas of metal shell 202.Wherein, first and second pin 222,224 can be inserted in first and second patchhole 212,214 respectively, and the end of first and second pin 222,224 can be extended out outside the bottom of circuit base plate 210.Afterwards, the end and the circuit base plate 210 of first, second pin 222,224 of metal insert 220 are crossed tin stove (soldering) simultaneously to attach scolding tin, so that the earth terminal of first and second pin 222,224 and circuit base plate 210 can electrically conduct.So, the earth terminal of electronic component 200 (for example being metal shell 202) can electrically contact by circumscribed metal insert 220 with the earth terminal (for example being ground plane) of circuit base plate 210, to reduce the noise of electromagnetic interference.On the other hand, the cost of circumscribed metal insert 220 is extremely low and do not need to be fixed in high temperature electric welding mode, thereby simplifies the man-hour and the manpower of known artificial electric welding or directly welding, and can overcome problems such as known scolding tin loose contact rate is higher.
Then please refer to Fig. 3 A, the top of circumscribed metal insert 220 for example has a ㄇ type lid 226 or an inverted U lid, and it is connected between first and second pin 222,224, to form a long and narrow symmetric metal insert 220.Wherein, ㄇ type lid 226 for example is tinplate, foreign copper-nickel alloy or the good metal material of other tin sticky with the material of first, second pin 222,224, wherein tinplate is meant surface plating one deck tin of iron plate, and foreign copper-nickel alloy alloy is meant the general name of composition institute component alloys such as cupric 50～70%, nickel 15～35%.In addition, ㄇ type lid 226 and first, second pin 222,224 can be integrally formed or through suitable processed, to form shape as shown in Figure 3A.
Then, please refer to Fig. 3 B, when metal insert 220 was disposed on the metal shell 202 of electronic component 200, its ㄇ type lid 226 was the top that is covered in metal shell 202, and is in contact with one another with metal shell 202.In addition, first, second pin place of the connection of ㄇ type lid 226 also has one first clamping part 228a and one second clamping part 228b respectively, and it caves inward and is held on the two side of metal shell 202.Clamping by first, second clamping part 228a, 228b, when carrying out vibration test, metal insert 220 is difficult for producing loosening, on the other hand on the one hand, first and second clamping part 228a, 228b be the two side of contacting metal shell 202 closely, to form the excellent electrical property contact.
Though the present invention illustrates as an example that with the foregoing description the structure of metal insert, shape or quantity do not limit only above-mentioned a kind of embodiment, also can have with other different metal inserts that change to replace.As long as metal insert can firmly be disposed on the metal shell, and with metal shell between have excellent electrical property and contact, all in the scope of spirit of the present invention and protection.
Hereinafter the structure of an asymmetrical metal insert especially for example to explain, please refer to Fig. 4 A and Fig. 4 B, its be respectively before metal insert assembling of the another kind of anti-electromagnetic interference of the present invention with assembling after schematic diagram.Metal insert for example is an asymmetrical metal insert 320, and it is formed by one first pin 322 and a lid 326.First pin 322 can be inserted in the patchhole 312 of circuit base plate 310, and electrically conduct by a scolder 314 with the earth terminal of circuit base plate 310, and lid 326 for example is the lid of a ㄇ type lid or other shape, it is covered in the top of the metal shell 302 of electronic component 300, be held on the metal shell 302 so that asymmetrical metal insert 320 can firmly be detained, and electrically contact with metal shell 302.In addition, connection first pin 322 places of lid 326 also can form one first depressed part 328, and it inwardly connects a sidewall that is butted on metal shell 302.Though metal insert 320 belongs to asymmetrical structure, can be held in the sidewall of metal shell, on effect, still can produce the good electrically effect of contact.
In sum, the masking device of the disclosed electronic component of the present invention is applicable to configuration Concussion element, initiatively motherboard, network card or the demonstration of the electronic component such as element or passive device On the card, to reduce noise ratio and to keep high-transmission quality etc. Therefore, the present invention has following Advantage:
(1) on the effect of anti-Electromagnetic Interference processed, utilize metal insert to be electrically connected at electricity Between the metal shell and circuit base plate of sub-element, can reduce the noise of electromagnetic interference.
(2) cost of metal insert is extremely low and do not need to be fixed in high temperature electric welding mode, Thereby man-hour and the manpower simplifying known artificial electric welding or directly weld, and can overcome known scolding tin The problems such as the loose contact rate is higher.
(3) metal insert can firmly be disposed on the metal shell, when carrying out vibration test Be difficult for to produce loosening, and and metal shell between have good electrical contact, and then raising group The reliability of dress.
Claims (10)
1. the masking device of an electronic component be suitable for being assembled on the circuit base plate, and this circuit base plate has an earth terminal, it is characterized in that, the masking device of this electronic component comprises at least:
One electronic component is disposed on this circuit base plate, and this electronic component has a metal shell, and its surface is the earthed surface of this electronic component; And
One metal insert, have one first pin and one second pin, and be welded in this earth terminal of this circuit base plate respectively, and this first and second pin lays respectively at the metal shell both sides of this electronic component, the top of this metal insert also has a ㄇ type lid, it is connected between this first and second pin, and this ㄇ type lid connects the top that is butted on this metal shell, this first and second pin place that is connected in of this ㄇ type lid has one first clamping part and one second clamping part respectively, and inwardly is held on the both sides of this metal shell.
2. the masking device of electronic component as claimed in claim 1 is characterized in that, this first and second pin and this ㄇ type lid are integrally formed.
3. the masking device of electronic component as claimed in claim 1 is characterized in that, the material of this first, second pin and this ㄇ type lid is the good metal material of tin sticky.
4. the masking device of electronic component as claimed in claim 1 is characterized in that, this electronic component is concussion element, an active member or a passive device.
5. the masking device of electronic component as claimed in claim 1 is characterized in that, the material of this first, second pin and this ㄇ type lid comprises tinplate, foreign copper-nickel alloy.
6. the metal insert of an anti-electromagnetic interference, be suitable for electrically connecting between an electronic component and the circuit base plate, this electronic component arrangements is in the surface of this circuit base plate, and this electronic component has a metal shell, and this circuit base plate has an earth terminal, it is characterized in that the metal insert of this anti-electromagnetic interference comprises at least:
One first pin, correspondence is inserted in one of this circuit base plate and inserts in the hole, and electrically connects by a scolder with this earth terminal of this circuit base plate; And
One lid connects this first pin, and is covered in the top of this metal shell, and this first pin place that is connected in of this lid has one first depressed part respectively, and it inwardly connects a side that is butted on this metal shell.
7. the metal insert of anti-electromagnetic interference as claimed in claim 6 is characterized in that, this first pin and this lid are integrally formed.
8. the metal insert of anti-electromagnetic interference as claimed in claim 6 is characterized in that, the material of this first pin and this lid is the good metal material of tin sticky.
9. the metal insert of anti-electromagnetic interference as claimed in claim 6 is characterized in that, the shaped slightly of this lid is a ㄇ type.
10. the metal insert of anti-electromagnetic interference as claimed in claim 6 is characterized in that, the material of this first pin and this lid comprises tinplate, foreign copper-nickel alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100064508A CN100338986C (en) | 2004-03-08 | 2004-03-08 | Shielding device for electronic element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100064508A CN100338986C (en) | 2004-03-08 | 2004-03-08 | Shielding device for electronic element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1668176A CN1668176A (en) | 2005-09-14 |
| CN100338986C true CN100338986C (en) | 2007-09-19 |
Family
ID=35038987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100064508A Expired - Fee Related CN100338986C (en) | 2004-03-08 | 2004-03-08 | Shielding device for electronic element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100338986C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI776229B (en) * | 2020-09-08 | 2022-09-01 | 台達電子工業股份有限公司 | Automatic plug-in apparatus |
| US11523552B2 (en) | 2020-09-08 | 2022-12-06 | Delta Electronics, Inc. | Automatic insertion apparatus |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5031028A (en) * | 1990-04-30 | 1991-07-09 | Motorola, Inc. | Heat sink assembly |
| JPH07120915A (en) * | 1993-10-26 | 1995-05-12 | Konica Corp | Image forming material |
| JPH10117082A (en) * | 1996-10-08 | 1998-05-06 | Kitagawa Ind Co Ltd | Electromagnetic wave shielding cover |
| US6177632B1 (en) * | 1998-10-30 | 2001-01-23 | Texas Instruments Incorporated | Metal case for circuit board for horizontal or vertical mounting |
| JP2002368481A (en) * | 2001-06-11 | 2002-12-20 | Canon Inc | Electronic apparatus |
| JP2003309397A (en) * | 2002-04-15 | 2003-10-31 | Toyo Commun Equip Co Ltd | Structure of electronic device |
-
2004
- 2004-03-08 CN CNB2004100064508A patent/CN100338986C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5031028A (en) * | 1990-04-30 | 1991-07-09 | Motorola, Inc. | Heat sink assembly |
| JPH07120915A (en) * | 1993-10-26 | 1995-05-12 | Konica Corp | Image forming material |
| JPH10117082A (en) * | 1996-10-08 | 1998-05-06 | Kitagawa Ind Co Ltd | Electromagnetic wave shielding cover |
| US6177632B1 (en) * | 1998-10-30 | 2001-01-23 | Texas Instruments Incorporated | Metal case for circuit board for horizontal or vertical mounting |
| JP2002368481A (en) * | 2001-06-11 | 2002-12-20 | Canon Inc | Electronic apparatus |
| JP2003309397A (en) * | 2002-04-15 | 2003-10-31 | Toyo Commun Equip Co Ltd | Structure of electronic device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI776229B (en) * | 2020-09-08 | 2022-09-01 | 台達電子工業股份有限公司 | Automatic plug-in apparatus |
| US11523552B2 (en) | 2020-09-08 | 2022-12-06 | Delta Electronics, Inc. | Automatic insertion apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1668176A (en) | 2005-09-14 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Compal information network (Kunshan) Co. Ltd. Assignor: Arcadyan, Inc. Contract fulfillment period: 2008.8.30 to 2013.8.30 contract change Contract record no.: 2009990001063 Denomination of invention: Shielding device for electronic element Granted publication date: 20070919 License type: Exclusive license Record date: 2009.9.27 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.8.30 TO 2013.8.30; CHANGE OF CONTRACT Name of requester: RENBAO NETWORK INFORMATION ( KUNSHAN ) CO., LTD. Effective date: 20090927 |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070919 Termination date: 20130308 |