CN213750419U - Optical module and optical signal transmission device - Google Patents
Optical module and optical signal transmission device Download PDFInfo
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- CN213750419U CN213750419U CN202022904008.4U CN202022904008U CN213750419U CN 213750419 U CN213750419 U CN 213750419U CN 202022904008 U CN202022904008 U CN 202022904008U CN 213750419 U CN213750419 U CN 213750419U
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Abstract
The application provides an optical module for be connected with the mainboard with transmission signal, including optical module main part, golden finger and flexible connection portion, flexible connection portion one end is connected the optical module main part, the other end is connected the golden finger, the perpendicular to can be followed to the flexible connection portion the crooked setting from top to bottom of flexible connection portion's the direction of laying, with the flexonics optical module main part and golden finger. According to the optical module and the optical signal transmission device, the stress caused by the position error between the optical module main body and the connector is eliminated by arranging the flexible connecting part, so that the problem that the connection of the optical module is instantaneously interrupted in a vibration field is effectively solved.
Description
Technical Field
The present application relates to the field of optical signal transmission, and in particular, to an optical module and an optical signal transmission apparatus.
Background
The optical module is a core component of an optical communication system, and is an optoelectronic device capable of converting an electrical signal into an optical signal or converting an optical signal into an electrical signal. When the optical module is used, the main body part of the module is firstly inserted into a laser cage arranged on a mainboard, and then a connector welded on the mainboard is inserted through a golden finger at the tail part to realize power supply and signal connection. A gap is reserved between the optical module and the laser cage, and the optical module or the elastic sheet of the laser cage is used for realizing centering positioning. However, when the optical module is used in a vibration place, for example, a vehicle, a ship, an aircraft, a drilling platform and the like, where vibration exists for a long time, the optical module may vibrate along with the equipment, the module has a large weight, and there is lag due to inertia during vibration, so that the connection between the gold finger and the connector is instantly interrupted, and the signal transmission effect is affected.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide an optical module and an optical signal transmission apparatus, which can avoid the problem of instantaneous connection interruption when the optical module is used in a vibration environment.
The embodiment of the application provides an optical module, including optical module main part, golden finger and flexible connecting portion, flexible connecting portion one end is connected the optical module main part, the other end is connected the golden finger.
Further, in some embodiments of the present application, the light module body includes a first connection post, a second connection post, and a third connection post, and the first connection post, the second connection post, and the third connection post are used for connecting with the main board.
Further, in some embodiments of the present application, the light module main body includes a first housing and a second housing, and the first housing and the second housing are mutually engaged to form an accommodating space therebetween.
Further, in some embodiments of the present application, the first connection column is disposed on the first housing, the second connection column and the third connection column are disposed on the second housing, and connection lines among the first connection column, the second connection column and the third connection column form a triangle structure.
Further, in some embodiments of the present application, an end of the first housing is provided with a groove recessed along a length direction of the first housing, and an inner wall of the groove is located in a length extending direction of the first connection column.
Further, in some embodiments of the present application, one end of the flexible connecting portion is disposed in the accommodating space, and the other end of the flexible connecting portion is welded to the golden finger, and the flexible connecting portion has an elastic pushing force in a laying direction thereof.
Further, in some embodiments of the present application, a distance between the first connection post and the second connection post is the same as a distance between the first connection post and the third connection post, and the first connection post is located in an extending direction perpendicular to a line between the second connection post and the third connection post.
The embodiment of the application also provides an optical signal transmission device, which comprises a mainboard, a connector and an optical module, wherein the connector is fixed on the mainboard, the optical module main body is rigidly connected with the mainboard, and the golden finger is inserted in the connector.
Further, in some embodiments of the present application, the main board is provided with a mounting hole, the mounting hole corresponds to a position of a connecting column of the optical module, and the connecting column is disposed in the mounting hole in a penetrating manner and protrudes out of the main board.
Further, in some embodiments of the present application, the optical module body includes a first connection column, a second connection column, and a third connection column, and the first connection column, the second connection column, and the third connection column pass through the mounting holes of the connection columns and are welded and fixed.
According to the optical module and the optical signal transmission device, the stress caused by the position error between the optical module main body and the connector is eliminated by arranging the flexible connecting part, so that the problem that the connection of the optical module is instantaneously interrupted in a vibration field is effectively solved.
Drawings
Fig. 1 illustrates a schematic structural diagram of an optical module in an embodiment.
Fig. 2 illustrates a schematic structural diagram of a light module from another view angle in an embodiment.
Fig. 3 is a schematic structural diagram of an optical signal transmission apparatus in an embodiment.
Fig. 4 is a schematic structural diagram of an optical signal transmission apparatus with another viewing angle in an embodiment.
Description of the main Components
Groove 111a
Connecting column 12
First connecting column 121
Second connecting post 122
Third connecting post 123
Optical signal transmission device 1000
The following specific examples will further illustrate the application in conjunction with the above figures.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
The embodiment of the application provides an optical module for be connected with the mainboard with transmission signal, including optical module main part, golden finger and flexible connection portion, flexible connection portion one end is connected the optical module main part, the other end is connected the golden finger.
The embodiment of the application also provides an optical signal transmission device, which comprises a mainboard, a connector and an optical module, wherein the connector is fixed on the mainboard, the optical module main body is rigidly connected with the mainboard, and the golden finger is inserted in the connector.
According to the optical module and the optical signal transmission device, the stress caused by the position error between the optical module main body and the connector is eliminated by arranging the flexible connecting part, so that the problem that the connection of the optical module is instantaneously interrupted in a vibration field is effectively solved.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, the optical module 100 shown in fig. 1 includes a transmitting end and a receiving end, where the transmitting end is configured to convert an electrical signal into an optical signal, and after the optical signal is transmitted through an optical fiber, the receiving end converts the optical signal into an electrical signal, and then sequentially transmits the signal. The optical module 100 includes an optical module body 10, a flexible connecting portion 20 and a gold finger 30, the flexible connecting portion 20 is led out from the inside of the optical module body and is connected to the gold finger 30, and the gold finger 30 is used for being connected with a motherboard to transmit and receive signals.
The optical module body 10 includes a housing 11 and a connection column 12, and one end of the connection column 12 is fixed on the housing 11 and is used for connecting a main board. The housing 11 includes a first housing 111 and a second housing 112, and the first housing 111 and the second housing 112 are mutually engaged to form an accommodating space between the first housing 111 and the second housing 112. The accommodating space is internally provided with necessary elements for realizing the functions of the optical module, such as a light emitting module, a light receiving module, a lens, a laser transmitter, a circuit board and the like. In an embodiment, the light emitting module and the light receiving module may further be configured as a light receiving and transmitting integrated structure to reduce occupied space, which is beneficial to miniaturization of the light module.
The connecting columns 12 may be provided singly or in plurality according to the fixing strength requirement. In an embodiment, the number of the connecting columns 12 is 3, and for convenience of description, the connecting columns 121, 122 and 123 are respectively a first connecting column 121, a second connecting column 122 and a third connecting column 123, the first connecting column 121, the second connecting column 122 and the third connecting column 123 are disposed on the same side of the first housing 111 and the second housing 112, wherein a first connecting column 121 is disposed on the first housing 111 and is substantially located on one side of the end of the first housing 111. The second connecting column 122 and the third connecting column 123 are respectively disposed on the second housing 112. The second connecting column 122 and the third connecting column 123 are arranged in parallel at the side of the second housing 112, and the connecting lines of the first connecting column 121, the second connecting column 122 and the third connecting column 123 form a triangular structure, so that the connection stability is improved after the main board is connected. In an embodiment, the first connecting column 121 is located at the middle of one side of the end of the first housing 111, the second connecting column 122 and the third connecting column 123 have the same linear distance from the first connecting column 121, the first connecting column 121 is perpendicular to the connecting line between the second connecting column 122 and the third connecting column 123, and the connecting lines between the first connecting column 121, the second connecting column 122 and the third connecting column 123 form an isosceles triangle. In an embodiment, the second connecting column 122 and the third connecting column 123 are both disposed on the first housing 111, and the second housing 112 is provided with a through hole for the second connecting column 122 and the third connecting column 123 to pass through, so that the second connecting column 122 and the third connecting column 123 are disposed to protrude from the second housing 112.
Referring to fig. 2, in an embodiment, a concave groove 111a is formed at an end of the first housing 111 and is recessed along a length direction of the first housing 111, and specifically, the concave groove 111a is formed by recessing an end of the first housing 111 away from the flexible connection portion 20 to an end close to the flexible connection portion 20. The side wall of the groove 111a perpendicular to the length direction of the first housing 111 is located in the extending direction of the first connecting column 121, and is used for cutting off a thermal bridge, reducing heat transfer, and facilitating the welding of the connecting column 12 to a main board.
One end of the flexible connecting portion 20 is disposed in the accommodating space formed by the first casing 111 and the second casing 112 for connecting with components such as a circuit board, and the other end is soldered to the gold finger 30. The flexible connecting portion 20 is a flexible structure, can be bent up and down along a direction perpendicular to the laying direction of the flexible connecting portion 20, and has an elastic thrust in the laying direction.
Referring to fig. 3 and 4, the present application further provides an optical signal transmission apparatus 1000 using the optical module 100, which includes the optical module 100, a motherboard 200 and a connector 300. The optical module 100 and the connector 300 are respectively disposed on the motherboard 200, and the gold finger 30 of the optical module 100 is further connected to the connector 300.
The main board 200 is provided with a mounting hole 200a corresponding to the position of the connecting column 12, the connecting column 12 is arranged in the mounting hole 200a in a penetrating manner and protrudes out of one side of the main board 200 deviating from the mounting of the optical module 100, so that the optical module 100 is conveniently welded on the main board 200.
The connector 300 is soldered on the motherboard 200 and disposed in the extending direction of the length of the optical module 100, so as to be connected to the gold finger 30. Specifically, during assembly, the gold fingers 30 are first inserted into and welded to the connector 300 on the motherboard 200, and due to the arrangement of the flexible connecting portions 20, the plurality of connecting posts 12 of the optical module 100 can be inserted into the mounting holes 200a, then the motherboard 200 is turned over and the optical module 100 is pressed, and the connecting posts 12 are welded to the motherboard 200 by soldering, so that the assembly of the optical module 100 and the motherboard 200 is completed. Compared with the conventional rigid structure, the optical module body 10, the flexible connecting part 20 and the gold finger 30 are hard connected, so that interference exists and the device cannot be installed. It is understood that the optical module 100 may be SFF, SFP, QSFP, OSFP, CFP4, CFP2, XFP, etc.
The optical module 100 does not use a laser cage, is directly welded on the mainboard 200, retains the advantage of partial plug-in connection of the golden finger 30, realizes rigid connection with the mainboard 200 by welding, and when the mainboard 200 is used, the optical module main body 10 can be synchronous with the vibration of the mainboard 200, the weight of the golden finger 30 is extremely light, the inertia force during vibration can be ignored compared with the clamping force of the connector 300, after the golden finger 30 is inserted into the connector 300, the elastic thrust of the flexible connecting part 20 and the clamping force of the connector 300 keep tight connection with the connector 300, and the flexible connecting part 20 eliminates the stress introduced by the position error of the optical module main body 10 and the connector 300, thereby effectively solving the problem of instantaneous interruption when the optical module 100 is used in a vibration field, and simultaneously, the field maintenance and replacement operations are simple.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present application and are not to be taken as limiting the present application, and that suitable changes and modifications to the above embodiments are within the scope of the present disclosure as long as they are within the spirit and scope of the present application.
Claims (10)
1. A light module, comprising:
an optical module body; and
a golden finger;
characterized in that the optical module further comprises:
and one end of the flexible connecting part is connected with the optical module main body, and the other end of the flexible connecting part is connected with the golden finger.
2. The optical module of claim 1, wherein: the optical module main part includes first spliced pole, second spliced pole and third spliced pole, first spliced pole, second spliced pole and third spliced pole are used for being connected with the mainboard.
3. The optical module of claim 2, wherein: the optical module main body comprises a first shell and a second shell, wherein the first shell and the second shell are mutually clamped, so that an accommodating space is formed between the first shell and the second shell.
4. A light module as claimed in claim 3, characterized in that: the first connecting column is arranged on the first shell, the second connecting column and the third connecting column are arranged on the second shell, and connecting lines among the first connecting column, the second connecting column and the third connecting column form a triangular structure.
5. A light module as claimed in claim 3, characterized in that: the end of the first shell is provided with a groove which is sunken along the length direction of the first shell, and the inner wall of the groove is positioned on the length extending direction of the first connecting column.
6. A light module as claimed in claim 3, characterized in that: one end of the flexible connecting part is arranged in the accommodating space, the other end of the flexible connecting part is welded on the golden finger, and the flexible connecting part has elastic thrust in the laying direction.
7. The optical module of claim 2, wherein: the distance between the first connecting column and the second connecting column is the same as the distance between the first connecting column and the third connecting column, and the first connecting column is positioned in the extending direction perpendicular to the connecting line between the second connecting column and the third connecting column.
8. An optical signal transmission device, includes the mainboard and fixes the connector on the mainboard, its characterized in that: the optical module as claimed in any one of claims 1 to 7, wherein the optical module main body is rigidly connected to the main board, and the gold finger is plugged into the connector.
9. The optical signal transmission apparatus according to claim 8, wherein: the mainboard is equipped with the mounting hole, the mounting hole with the position of the spliced pole of optical module corresponds, the spliced pole is worn to locate in the mounting hole and protrusion the mainboard.
10. The optical signal transmission apparatus according to claim 9, wherein: the optical module main part comprises a first connecting column, a second connecting column and a third connecting column, wherein the first connecting column, the second connecting column and the third connecting column penetrate through the mounting holes of the connecting columns and are welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022904008.4U CN213750419U (en) | 2020-12-04 | 2020-12-04 | Optical module and optical signal transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022904008.4U CN213750419U (en) | 2020-12-04 | 2020-12-04 | Optical module and optical signal transmission device |
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| Publication Number | Publication Date |
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| CN213750419U true CN213750419U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022904008.4U Active CN213750419U (en) | 2020-12-04 | 2020-12-04 | Optical module and optical signal transmission device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589454A (en) * | 2021-09-27 | 2021-11-02 | 武汉联特科技股份有限公司 | Optical module hard connection implementation method and optical module |
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2020
- 2020-12-04 CN CN202022904008.4U patent/CN213750419U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589454A (en) * | 2021-09-27 | 2021-11-02 | 武汉联特科技股份有限公司 | Optical module hard connection implementation method and optical module |
| CN113589454B (en) * | 2021-09-27 | 2021-12-28 | 武汉联特科技股份有限公司 | Optical module hard connection implementation method and optical module |
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