CN101277149A - Optical communication device - Google Patents
Optical communication device Download PDFInfo
- Publication number
- CN101277149A CN101277149A CNA2007100919196A CN200710091919A CN101277149A CN 101277149 A CN101277149 A CN 101277149A CN A2007100919196 A CNA2007100919196 A CN A2007100919196A CN 200710091919 A CN200710091919 A CN 200710091919A CN 101277149 A CN101277149 A CN 101277149A
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- China
- Prior art keywords
- communication apparatus
- optical communication
- circuit board
- loam cake
- connecting portion
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Abstract
An optical communication device comprises an upper cover, a lower cover, a circuit board and a static preventing element. The upper cover and the lower cover are oppositely arranged. An accommodating space is formed between the upper cover and the lower cover. The circuit board is provided in the accommodating space. The static preventing element is provided on the circuit board and is electrically connected with the circuit board.
Description
Technical field
The present invention is about a kind of optical communication apparatus, particularly about a kind of optical communication apparatus of tool antistatic capacity.
Background technology
Applications of electronic circuitry is very extensive in electronic installation in recent years, and along with the high-frequency circuit of electronic product and the functional requirement of high-speed computation electronic component roll up, (electrostaticdischarge, protection ESD) also becomes more and more important for static discharge.
In the environment of the Nature, the phenomenon that has static often produces, and for example clothes friction, lightning thunderbolt etc. all can cause the generation of electrostatic phenomenon, and electronic product is no exception certainly.
With regard to electronic product, it for example is optical communication apparatus, usually in the process of making, producing, assemble, test, deposit, carry, static can be accumulated in human body, instrument and store in the equipment, even electronic component itself also can accumulate static, and the user is under unwitting situation, when these objects are in contact with one another, just form the discharge path of a static, therefore, electronic product or electronic component can be subjected to the infringement of static discharge.
Most electronic product or electronic component can be subjected to excessively electrically stress (Electrical Overstress, EOS) destruction, it can cause the internal circuit of electronic product or electronic original part or semiconductor element to produce nonvolatil breaking-up, and then influence integrated circuit (Integrated Circuits, IC) operational function, therefore, electronic product or electronic component can't normal operations, and influence the reliability of electronic product.
In view of this, how to provide a kind of optical communication apparatus with electrostatic discharging path and antistatic capacity, real is one of important problem.
Summary of the invention
Because above-mentioned problem the objective of the invention is to be to provide a kind of optical communication apparatus with electrostatic discharging path and antistatic capacity.
For reaching above-mentioned or other purposes, the present invention proposes a kind of optical communication apparatus, comprises a lid, a circuit board and an electrostatic protection element.Lid is oppositely arranged institute by loam cake and lower cover and constitutes, and is formed with an accommodation space between loam cake and lower cover, and circuit board is arranged in the accommodation space, and electrostatic protection element is arranged on the circuit board and with circuit board and electrically connects.
According to the described optical communication apparatus of the preferred embodiment of the present invention, wherein this loam cake has a plurality of first connecting portions and is arranged at inwall and extends towards this accommodation space.
According to the described optical communication apparatus of the preferred embodiment of the present invention, wherein lower cover has a containing groove and one second connecting portion and is arranged on the inwall of lower cover and towards accommodation space and extends, and second connecting portion and first connecting portion are oppositely arranged.
According to the described optical communication apparatus of the preferred embodiment of the present invention, wherein this loam cake and this lower cover are by engaging or sealed mode links.
According to the described optical communication apparatus of the preferred embodiment of the present invention, it comprises that also an optical transceiver cell is arranged on the containing groove, and electrically connects with circuit board.
According to the described optical communication apparatus of the preferred embodiment of the present invention, wherein optical transceiver cell has a plurality of first pins, electrically connects by first pin and circuit board.Wherein optical transceiver cell has a shell, and the material of shell comprises a conductive material or an insulation material.
According to the described optical communication apparatus of the preferred embodiment of the present invention, wherein optical transceiver cell comprises that a transmission photonic module or receives photonic module.
According to the described optical communication apparatus of the preferred embodiment of the present invention, wherein circuit board is arranged in the accommodation space, and is arranged between first connecting portion and second connecting portion.
According to the described optical communication apparatus of the preferred embodiment of the present invention, wherein circuit board has an electrical junction and a grounding parts, and first connecting portion of electrical junction and loam cake electrically connects.
According to the described optical communication apparatus of the preferred embodiment of the present invention, wherein electrostatic protection element has one first end and one second end, and the electrical junction of first end and circuit board electrically connects, and the grounding parts of second end and circuit board electrically connects.Wherein electrostatic protection element is an ESD diode.
According to the described optical communication apparatus of the preferred embodiment of the present invention, wherein this optical transceiver cell comprises a plurality of first pins and one second pin, and first pin and circuit board electrically connect, and an end of second pin and electrostatic protection element electrically connects.Wherein second pin of optical transceiver cell and shell electrically connect.
According to the described optical communication apparatus of the preferred embodiment of the present invention, wherein optical transceiver cell comprises that also a plurality of insulating barriers are located on first pin and second pin.
In sum, the present invention electrically connects by the loam cake of electrostatic protection element and circuit board and optical communication apparatus, makes loam cake, electrostatic protection element and circuit board form electrostatic discharging path.Or by electrostatic protection element and optical transceiver cell and circuit board electric connection, optical transceiver cell contacts with the lower cover of optical communication apparatus, therefore, forms electrostatic discharging path between lower cover, optical transceiver cell, electrostatic protection element and circuit board.Thus, when static exists loam cake or lower cover, can by electrostatic protection element with electrostatic guide to circuit board, to avoid static directly to discharge via internal circuit or other electronic components of optical communication apparatus and optical transceiver cell thereof, and cause the damage of optical communication apparatus, and, can increase antistatic capacity by electrostatic protection element, and then promote the reliability of optical communication apparatus.
Description of drawings
Fig. 1 is the schematic diagram of the optical communication apparatus of first preferred embodiment of the present invention;
Fig. 2 is the schematic diagram of the optical communication apparatus of second preferred embodiment of the present invention; And
Fig. 3 is the structural representation of the optical transceiver cell of Fig. 2.
The main element symbol description
Loam cake 11,21 second ends 142,242
First connecting portion, 111 insulating barriers 254
Second connecting portion, 122 accommodation space S
Containing groove 121 screw SC1
Grounding parts 132,231
Embodiment
First embodiment
Fig. 1 is the schematic diagram of the optical communication apparatus of first preferred embodiment of the invention.Please refer to shown in Figure 1ly, the optical communication apparatus 1 of present embodiment comprises a loam cake 11, a lower cover 12, a circuit board 13 and an optical transceiver cell 15.
In the present embodiment, loam cake 11 is oppositely arranged and couples each other with lower cover 12, is formed with an accommodation space S between loam cake 11 and lower cover 12.Loam cake 11 has one first connecting portion 111 and is arranged at inwall and extends towards accommodation space S, and lower cover 12 has a containing groove 121 and one second connecting portion, 122, the second connecting portions 122 are arranged on the inwall of lower cover 12, and extends towards accommodation space S.Loam cake 11 comprises a conductive material, for example metal with the material of lower cover 12.First connecting portion 111 and second connecting portion 122 of loam cake are oppositely arranged, and by engaging, screwing togather or sealed mode, for example first connecting portion 111 and second connecting portion 122 is sealed with screw SC1, after first connecting portion 111 and second connecting portion 122 were sealed, loam cake 11 closely linked each other mutually with lower cover 12.
Accept above-mentionedly, in the present embodiment, circuit board 13 is arranged in the accommodation space S that loam cake and lower cover form, and circuit board 13 is arranged between first connecting portion 111 and second connecting portion 122.Be noted that, the circuit board 13 of present embodiment has an electrical junction 131 and a grounding parts 132, electrical junction 131 for example is a connection gasket (pad), but be not limited to this, the electrical junction also can be to form with wire laying mode on circuit board 13, and grounding parts 132 provides the function of each electronic component on the circuit board 13 (scheming not shown) ground connection.
Please continue to consult Fig. 1, the optical communication apparatus 1 of present embodiment is with transmission and the reception of optical transceiver cell 15 as optical information, for example be a transmission photonic module (transmitter optical sub-assembly, TOSA) or one receive photonic module (receiver optical sub-assembly, ROSA), in the present embodiment, optical transceiver cell 15 is arranged in the accommodation space S and is fixedly arranged on the containing groove 121 of lower cover, optical transceiver cell 15 has a shell 152 and a plurality of pin 151, the material of shell 152 for example is the insulation material, and optical transceiver cell 15 electrically connects by pin 151 and circuit board 13.
What deserves to be mentioned is, for the optical communication apparatus 1 that makes present embodiment has antistatic capacity, the optical communication apparatus of present embodiment has an electrostatic protection element 14 and is arranged on the circuit board 13, and by the electrical junction 131 of circuit board and loam cake 11 electric connections of optical communication apparatus.Electrostatic protection element 14 for example is an ESD diode (electrostatic discharge diode, ESD diode), electrostatic protection element 14 has first end 141 and second end 142, first end 141 is electrically connected at the electrical junction 131 of circuit board, second end 142 is electrically connected at the grounding parts 132 of circuit board, and first connecting portion 111 of loam cake is electrically connected at the electrical junction 131 of circuit board.Thus, when static is present in loam cake, with the grounding parts 132 of electrostatic guide to the circuit board, therefore, can avoid optical communication apparatus 1 to be subjected to the damage of static by electrostatic protection element 14.
In sum, the optical communication apparatus 1 of present embodiment has electrostatic protection element 14, electrically connect by electrostatic protection element 14 and circuit board 13 and loam cake 11, between loam cake and electrostatic protection element and circuit board, form an electrostatic discharging path, therefore, when static is present in loam cake, can be by electrostatic protection element 14 with the grounding parts of electrostatic guide to the circuit board, to avoid static directly via optical communication apparatus and optical transceiver cell or the discharge of other electronic components, and cause optical communication apparatus to damage, thus, can improve the reliability of optical communication apparatus 1.
Second embodiment
Fig. 2 is the schematic diagram of the optical communication apparatus of second preferred embodiment of the present invention, and Fig. 3 is the structural representation of the optical transceiver cell of Fig. 2.See also Fig. 2, the optical communication apparatus 2 of present embodiment comprises a loam cake 21, a lower cover 22, a circuit board 23, an electrostatic protection element 24 and an optical transceiver cell 25.Optical transceiver cell 25 is arranged on the containing groove 221 of lower cover 22 and with lower cover 22 and contacts, optical transceiver cell 25 has first pin 251, second pin 252 and shell 253, first pin 251 electrically connects with circuit board 23, second pin 252 electrically connects with shell 253, the material of shell 253 for example is a conductive material, loam cake 21 comprises a conductive material with the material of lower cover 22, for example is metal.In addition, optical transceiver cell 25 has more a plurality of insulating barriers 254 and is located on each first pin 251 and second pin 252, as shown in Figure 3.
Present embodiment and the foregoing description difference are, the electrostatic protection element 24 of present embodiment has first end 241 and second end 242, electrostatic protection element 24 is arranged at circuit board 23 and electrically connects with circuit board 23, wherein first end 241 of electrostatic protection element 24 electrically connects with second pin 252 of optical transceiver cell 25, and the grounding parts 231 of second end 242 and circuit board electrically connects.The optical communication apparatus 2 of present embodiment is by lower cover 22, optical transceiver cell 25, electrostatic protection element 24 and circuit board 23 form an electrostatic discharging path, because optical transceiver cell 25 contacts with lower cover and the shell of optical transceiver cell is a conductive material, therefore, when there is lower cover 22 in static, can see through second pin 252 and the electrostatic element 24 of optical transceiver cell via lower cover 22, with the grounding parts 231 of electrostatic guide to the circuit board, it can avoid static via each electronic component discharge on the internal circuit of optical transceiver cell 25 or the circuit board 23, and causes the damage of optical communication apparatus 2.
In sum, optical communication apparatus of the present invention has following advantage:
One, the loam cake by electrostatic protection element and circuit board and optical communication apparatus electrically connects, and makes loam cake, electrostatic protection element and circuit board form electrostatic discharging path.
Two, by electrostatic protection element and optical transceiver cell and circuit board electric connection, optical transceiver cell contacts with the lower cover of optical communication apparatus, and therefore, lower cover, optical transceiver cell, electrostatic protection element and circuit board form electrostatic discharging path.
Three, compare with conventional art, the present invention can electrically connect electrostatic protection element and loam cake or optical transceiver cell with the formation electrostatic discharging path according to different demand on optical communication apparatus or the optical transceiver cell structure.Thus, when static exists loam cake or lower cover, can by electrostatic protection element with electrostatic guide to circuit board, to avoid static directly to discharge via internal circuit or other electronic components of optical communication apparatus and optical transceiver cell thereof, and cause the damage of optical communication apparatus, and can increase antistatic capacity by electrostatic protection element, and then promote the reliability of optical communication apparatus.
Though the present invention with preferred embodiment openly as above; right its is not in order to qualification the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (16)
1. optical communication apparatus comprises:
One lid has an accommodation space;
One circuit board is arranged in this accommodation space; And
One electrostatic protection element is arranged on this circuit board and electrically connects with this circuit board.
2. optical communication apparatus according to claim 1, wherein this lid comprises a loam cake and a lower cover, this lower cover and this loam cake are oppositely arranged, to be formed with this accommodation space between this loam cake and this lower cover.
3. optical communication apparatus according to claim 2, wherein this loam cake has one first connecting portion, and this lower cover has a containing groove and one second connecting portion, and this first connecting portion and this second connecting portion are oppositely arranged.
4. optical communication apparatus according to claim 3, wherein this first connecting portion, this containing groove and this second connecting portion are arranged at the inwall of this loam cake and this lower cover respectively and extend towards this accommodation space.
5. optical communication apparatus according to claim 2, wherein this loam cake and this lower cover are by engaging, screw togather or sealed mode linking.
6. optical communication apparatus according to claim 2, wherein the material of this loam cake and this lower cover comprises a conductive material or metal.
7. optical communication apparatus according to claim 3, it also comprises an optical transceiver cell, is arranged on this containing groove, and electrically connects with this circuit board, this optical transceiver cell comprises that a transmission photonic module or receives photonic module.
8. optical communication apparatus according to claim 7, wherein this optical transceiver cell has a plurality of first pins, and electrically connects by those first pins and this circuit board.
9. optical communication apparatus according to claim 7, wherein this optical transceiver cell comprises that also a shell of a plurality of second pins and this optical transceiver cell and an end of this electrostatic protection element electrically connect.
10. optical communication apparatus according to claim 9, wherein this optical transceiver cell comprises that also a plurality of insulating barriers are located on this first pin and those second pins.
11. optical communication apparatus according to claim 7, wherein this optical transceiver cell has a shell, and the material of this shell comprises a conductive material or an insulation material.
12. optical communication apparatus according to claim 3, wherein this circuit board is arranged in this accommodation space, and is arranged between this first connecting portion and this second connecting portion.
13. optical communication apparatus according to claim 3, wherein this circuit board has an electrical junction and a grounding parts, and first connecting portion of this electrical junction and this loam cake electrically connects.
14. optical communication apparatus according to claim 13, wherein this electrical junction comprises a connection gasket or forms with wire laying mode on this circuit board.
15. optical communication apparatus according to claim 13, wherein this electrostatic protection element has one first end and one second end, and the electrical junction of this first end and this circuit board electrically connects, and the grounding parts of this second end and this circuit board electrically connects.
16. optical communication apparatus according to claim 1, wherein this electrostatic protection element is an ESD diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100919196A CN101277149A (en) | 2007-03-30 | 2007-03-30 | Optical communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100919196A CN101277149A (en) | 2007-03-30 | 2007-03-30 | Optical communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101277149A true CN101277149A (en) | 2008-10-01 |
Family
ID=39996200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100919196A Pending CN101277149A (en) | 2007-03-30 | 2007-03-30 | Optical communication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101277149A (en) |
-
2007
- 2007-03-30 CN CNA2007100919196A patent/CN101277149A/en active Pending
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Application publication date: 20081001 |