CN219676341U - Optical module assembly convenient to plug - Google Patents
Optical module assembly convenient to plug Download PDFInfo
- Publication number
- CN219676341U CN219676341U CN202320588104.3U CN202320588104U CN219676341U CN 219676341 U CN219676341 U CN 219676341U CN 202320588104 U CN202320588104 U CN 202320588104U CN 219676341 U CN219676341 U CN 219676341U
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- circuit board
- optical module
- connector
- optical
- flat cable
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- 230000003287 optical effect Effects 0.000 title claims abstract description 117
- 239000002184 metal Substances 0.000 claims abstract description 29
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 11
- 238000004891 communication Methods 0.000 description 7
- 239000013307 optical fiber Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005476 soldering Methods 0.000 description 3
- 230000001550 time effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model is suitable for the technical field of photoelectric conversion devices, and provides an optical module assembly convenient to plug, which comprises: a metal housing, an optical device, a circuit board, and a connection assembly; the metal shell is used for installing the optical device, the circuit board and the connecting assembly; the optical device is used for converting an optical signal into an electrical signal; the circuit board is used for fixing the integrated circuit and the electronic device; the connecting assembly comprises a soft flat cable and a connector, wherein the connector is arranged on the connection potential of the optical module circuit board and the main control circuit board, and the soft flat cable is installed and fixed on the connector. The utility model sets the soft flat cable to connect with the connector in a plug-in way, so that the optical module is connected with an external main control circuit board, when the optical module needs to be maintained and replaced, the soft flat cable can be maintained and replaced by separating and pulling out the soft flat cable from the connector on the circuit board, and the problems of high maintenance cost and long time efficiency caused by damage to the main control circuit board during maintenance are solved.
Description
Technical Field
The utility model belongs to the technical field of photoelectric conversion devices, and particularly relates to an optical module assembly convenient to plug.
Background
An optical fiber communication system is a communication system that uses light as a carrier wave, uses an optical fiber as a transmission medium, and transmits information by photoelectric conversion. With the rapid development of internet business and communication industry, informatization brings great promotion to the development of world productivity and human society. Fiber optic communication is one of the main technical support for informatization.
The optical network unit ONU (Optical Network Unit) is a terminal device for accessing an optical fiber, and is typically used in conjunction with an OLT, which typically stores a central office of an ISP. The optical network unit is an Optical Line Terminal (OLT) of a local side and an Optical Network Unit (ONU) of a user side in the system are key parts of the EPON, a main control circuit board in the optical network unit is a core of the whole system, the main circuit board controls the whole ONU equipment, the design quality and the operation performance of the main circuit board are related to those of the main circuit board in the ONU, the optical module is a core device in the optical fiber communication system, and the optical module is an integrated circuit which can realize the rapid processing and integration of optical signals and is widely applied to the fields of communication, control, security protection and the like.
The optical module is one of the core devices in the optical fiber communication system and the important electronic devices of the optical network unit, is an optoelectronic device for realizing photoelectric conversion and electro-optical conversion functions in the optical signal transmission process, and is connected with the main control circuit board in the optical network unit. The main control circuit board is the core of the whole system, the main control circuit board controls the whole ONU equipment, the connection between the main control circuit board inside the ONU and the optical module is also very important, in the prior art, the connection mode between the main control circuit board inside the optical network unit ONU and the optical module is to directly utilize metal pins on the optical module to be welded on a welding hole of the main control circuit board, when the optical module is replaced and maintained, special personnel and special equipment are needed for maintenance, but the main control circuit board is easy to be damaged in the maintenance and dismantling process, so that the problems of high maintenance cost and long time effect are caused.
Disclosure of Invention
The embodiment of the utility model aims to provide an optical module assembly convenient to plug, and aims to solve the problems that in the prior art, a connection mode between a main control module circuit board and an optical module in an optical network unit ONU is that metal pins on the optical module are directly welded on welding holes of the main control circuit board, and when the optical module is replaced and maintained, special personnel and special equipment are required for maintenance, but the main control circuit board is easily damaged in the maintenance and dismantling process, so that the maintenance cost is high and the time effect is long.
The embodiment of the utility model is realized in such a way that the optical module assembly convenient to plug comprises: a metal housing, an optical device, a circuit board, and a connection assembly;
the metal shell is used for installing the optical device, the circuit board and the connecting assembly, and a cavity structure is arranged in the metal shell;
the optical device is arranged and fixed on the cavity structure inside the metal shell and is used for converting an optical signal into an electric signal;
the circuit board is arranged on the inner cavity structure of the metal shell and is used for fixing the integrated circuit and the electronic device;
the connecting assembly comprises a soft flat cable and a connector, wherein the connector is arranged on the grounding potential of the optical module circuit board and the external main control circuit board, the soft flat cable is fixedly arranged on the connector, the soft flat cable is used for connecting the optical module and the external assembly, and the connector and the soft flat cable are connected in a plug-and-pull mode.
Preferably, the metal shell comprises an upper shell and a lower shell, and the upper shell and the lower shell are fixedly connected and form a communicated cavity structure.
Preferably, the upper shell is provided with a mounting lug and a first strip-shaped through hole, the mounting lug is arranged on the side edge of the upper shell, the mounting lug is connected with the lower shell, the first strip-shaped through hole is arranged at the bottom of the upper shell, and the first strip-shaped through hole has a heat dissipation function.
Preferably, the lower casing is provided with a first installation position, a second installation position and a second strip-shaped through hole, the first installation position is used for installing and fixing the light device, the second installation position is used for installing and fixing the circuit board, the second strip-shaped through hole is provided with a lower casing bottom, and the second strip-shaped through hole has a heat dissipation function.
Preferably, the optical device comprises an optical device main body and a connecting pin, wherein the optical device main body is fixedly arranged on the cavity structure at the left side of the lower shell, one end of the connecting pin is fixedly arranged on the optical device shell, and the other end of the connecting pin is connected on the circuit board.
Preferably, the circuit board is arranged and installed on the right cavity structure of the lower shell, and one side of the circuit board is used for connecting optical devices, and the other side of the circuit board is used for fixing connectors.
Preferably, the connector is provided with a connection soldering lug connected to the circuit board connection potential and a fixing cover for fixing the flexible flat cable.
The optical module assembly convenient to plug is provided with the connector which is simultaneously arranged on the connection potential of the optical module circuit board and the main control circuit board, so that the connection mode of the optical module circuit board is changed, the original all functions of the optical module are completely reserved, the soft flat cable is connected with the connector in a plug mode, the optical module is connected with the external main control circuit board, and when the optical module needs to be maintained and replaced, the optical module can be maintained and replaced only by separating and pulling out the soft flat cable from the connector on the circuit board, and the problems of high maintenance cost and long time effect caused by damage to the main control circuit board during maintenance are solved.
Drawings
Fig. 1 is a perspective structure diagram of an optical module assembly convenient for plugging and unplugging according to an embodiment of the present utility model;
fig. 2 is an internal structure diagram of an optical module assembly with convenient plugging and unplugging according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of an upper housing of an optical module assembly according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of a lower housing structure of an optical module assembly according to an embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a connection assembly of an optical module assembly with convenient plugging and unplugging according to an embodiment of the present utility model.
In the accompanying drawings: 1. a metal housing; 11. an upper housing; 12. a lower housing; 2. a connection assembly; 21. a connector; 211. connecting soldering lugs; 212. a fixed cover; 22. soft flat cable; 3. an optical device; 4. a circuit board.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
As shown in fig. 1, a block diagram of an optical module assembly with convenient plugging and unplugging according to an embodiment of the present utility model includes: a metal housing 1, an optical device 3, a circuit board 4, and a connection assembly 2;
the metal shell 1 is used for mounting the optical device 3, the circuit board 4 and the connecting component 2, and a cavity structure is arranged in the metal shell 1;
the optical device 3 is arranged and fixed on the cavity structure inside the metal shell 1, and the optical device 3 is used for converting optical signals into electric signals;
the circuit board 4 is arranged on the inner cavity structure of the metal shell 1, and the circuit board 4 is used for fixing an integrated circuit and an electronic device;
the connecting assembly 2 comprises a flexible flat cable 22 and a connector 21, wherein the connector 21 is arranged on the connection potential of the optical module circuit board 4 and the external main control circuit board 4, the flexible flat cable 22 is fixedly arranged on the connector 21, the flexible flat cable 22 is used for connecting the optical module and the external assembly, and the connector 21 and the flexible flat cable 22 are in plug connection.
In the embodiment of the utility model, the optical module assembly convenient for plugging and unplugging consists of a metal shell 1, an optical device 3, a circuit board 4 and a connecting assembly 2, wherein the optical device 3, the circuit board 4 and the connecting assembly 2 can be installed in the metal shell 1, the optical device 3 and the circuit board 4 can be installed on the same horizontal plane, and the connecting assembly 2 can be installed above the circuit board 4.
In the embodiment of the utility model, the interior of the metal shell 1 can be provided with a cavity structure with a certain shape, preferably, the cavity structure can adjust the internal shape according to the installation requirements of the optical device 3, the circuit board 4 and the connector 21 assembly, and the optical device 3 can be fixed in the metal shell 1 and connected with the circuit board 4 on the same horizontal plane; the connection assembly 2 is composed of a flexible flat cable 22 and a connector 21, preferably, one end of the connector 21 can be provided with a structure which is matched with the circuit board 4 and the electric position on the external main control circuit board 4 and is mutually connected and fixed, one end of the flexible flat cable 22 can be fixed on the optical module circuit board 4, the other end of the flexible flat cable 22 is connected on the main control circuit board 4, the flexible flat cable 22 can be used for connecting the optical module and the main control circuit board 4 to realize the transmission conversion on functional signals, the connection mode of the flexible flat cable 22 and the connector 21 can be set to be in plug connection, the connection position of one end of the flexible flat cable 22 can be directly inserted into the installation position of the connector 21 during connection, and when the optical module needs to be maintained or replaced, the flexible flat cable 22 can be directly pulled out from the connector 21 on the optical module circuit board 4, and the process is simple in operation and the main control circuit board 4 connected with the optical module cannot be damaged at all.
As shown in the drawing, as a preferred embodiment of the present utility model, the metal housing 1 includes an upper housing 11 and a lower housing 12, and the upper housing 11 and the lower housing 12 are fixedly connected and form a communicating cavity structure.
In the embodiment of the present utility model, the metal housing 1 is composed of an upper housing 11 and a lower housing 12, the upper housing 11 and the lower housing 12 can be fixedly connected according to the structural shapes provided on both sides of the respective housings, and a cavity structure with a certain space is formed, and a complete and semi-closed housing can be formed after the upper housing 11 and the lower housing 12 are connected.
As shown in the drawing, as a preferred embodiment of the present utility model, the upper case 11 is provided with a mounting protrusion provided on a side of the upper case 11 and connected to the lower case 12, and a first bar-shaped through hole provided at a bottom of the upper case 11 and having a heat dissipation function.
In the embodiment of the present utility model, the upper housing 11 may be configured as a housing having a certain height, the upper housing 11 is fixedly connected with the lower housing 12 and limits the movement freedom of the devices inside the optical module, the shape and size of the upper housing 11 may be determined according to the shape and size of the devices mounted and fixed inside the optical module, and the interior of the upper housing 11 may form a cavity structure having a certain space, and may be divided into a left cavity structure and a right cavity structure according to the mounting position of the devices inside the optical module, a bar-shaped slot having a certain width may be disposed on the center line of the top surface of the upper housing 11 in the left cavity structure, and a through hole may be disposed at the right corner inside the left cavity structure for facilitating the mounting connection with the lower housing 12, the bar-shaped slot being used for the connection of the optical module with the optical fiber cable.
The upper shell 11 can be provided with a plurality of mounting lugs and first strip-shaped through holes, preferably, the mounting lugs can be arranged on the edge of the upper shell 11, a square lug with a certain height can be arranged on one side of the left cavity structure, the square lug can be arranged at a height not smaller than that of the upper shell cavity structure, one side of the square lug is connected with the top surface of the upper shell 11, the round through holes can be arranged on the edge of the upper side and the lower side of the left cavity structure, the round through holes are used for fixedly connecting the upper shell 11 with the lower shell 12, the columnar lug can be arranged on the edge of the other side of the left cavity structure and used for being connected with the fixed through holes on the lower shell 12, a square lug with a certain height can be arranged on the longitudinal side of the right cavity structure, the thickness of the square lug is not larger than that of the edge of the upper shell 11, a rectangular through hole with a certain width can be arranged on the top surface of the upper shell 11 in the same straight line direction with the square lug, and the rectangular through holes are arranged for fixedly connecting the lower shell 12, and the square lug is used for buckling the lower shell 12 and playing a role of fixedly mounting.
The first bar-shaped through holes may be provided at the bottom surface of the upper case 11, preferably, the first bar-shaped through holes may be provided in a plurality and on the top surface of the upper case 11, the length direction of the first bar-shaped through holes may be set to be identical to the length direction of the upper case 11, and every two adjacent first bar-shaped through holes may be set at the same interval.
As shown in the drawing, as a preferred embodiment of the present utility model, the lower case 12 is provided with a first mounting position for mounting the fixed optical device 3, a second mounting position for mounting the fixed circuit board 4, and a second bar-shaped through hole provided at the bottom of the lower case 12, the second bar-shaped through hole having a heat dissipation function.
In the embodiment of the present utility model, the lower housing 12 may be configured as a housing having a certain height, preferably, the shape and size of the lower housing 12 may be determined according to the shape and size of a device mounted and fixed inside the optical module and the shape and size of the upper housing 11, and the interior of the lower housing 12 may form a cavity structure having a certain space, may be divided into a left cavity structure and a right cavity structure according to the mounting position of the device inside the optical module, and corresponds to the position of the cavity structure of the upper housing 11 up and down, in the left cavity structure, Z-shaped through holes having a certain width may be formed on the upper and lower sides of the bottom surface of the lower housing 12, cylindrical bumps may be disposed on the upper and lower sides of one side of the left cavity structure and tightly connected with circular holes on the upper housing 11, and square bumps may be disposed on the upper and lower sides of the other side of the left cavity structure and tightly connected with rectangular through holes of the upper housing 11.
Preferably, the first installation position that the lower shell 12 can set is located on the left cavity structure, the first installation position can be composed of a double-layer U-shaped plate and a rectangular plate, the arc size of the double-layer U-shaped plate can be determined according to the size of the optical device 3, the double-layer U-shaped plate is used for installing and fixing the optical device 3, and the rectangular plate can be used for assisting in installing the optical device 3 and connecting an optical fiber cable; the second installation position can be arranged on the right side cavity structure of the lower shell 12, the U-shaped grooves can be formed in the upper side and the lower side of the right side cavity structure and are tightly connected with the square bumps on the upper shell 11, grooves can be formed in the bottom surface of the lower shell 12 and used for buckling and fixing the square bumps on the upper shell 11, a plurality of rectangular bumps can be arranged in the side wall of the lower shell 12 and can be arranged at a height not greater than that of the right side cavity structure of the lower shell 12, the rectangular bumps can be used for supporting a circuit board 4 in the optical module, a plurality of second strip-shaped through holes can be formed in the bottom surface of the lower shell 12, the length direction of the second strip-shaped through holes can be consistent with the length direction of the lower shell 12, and two adjacent second strip-shaped through holes can be arranged at intervals which are identical.
As shown in the figure, as a preferred embodiment of the present utility model, the optical device 3 includes an optical device 3 main body and a connection pin, wherein the optical device 3 main body is fixed on the cavity structure on the left side of the lower housing 12, and one end of the connection pin is fixed on the optical device 3 housing, and the other end of the connection pin is connected on the circuit board 4.
In the embodiment of the present utility model, the optical device 3 is composed of an optical device 3 main body and connection pins, preferably, the type and appearance characteristics of the optical device 3 main body may be selected according to the operation requirements of the optical module, the optical device 3 may be composed of a lens and a light receiving member, the lens may be configured as a cylindrical member having a certain length and may be configured with an annular structure at one side edge of the lens, the curved surface of the lens and the side surface of the annular structure may be tightly connected with a double-layer U-shaped plate on the first mounting position of the lower case 12, the light receiving member may be configured on the same horizontal plane as the lens and simultaneously mounted on two surfaces continuous and adjacent to the square case, the light receiving member may be configured with two groups, one group may be configured on the square case and adjacent to the lens, and the other group may be configured on one surface opposite to the lens.
The connection pins may be provided in several groups, preferably, the connection pins may be provided as metal cylindrical members having a certain length, one ends of the connection pins may be fixed on the light receiving member, the other ends are connected and fixed on the circuit board 4, and the number and positions of the connection pins may be determined according to the positions, the pitches, and the number of the connection potential settings on the circuit board 4.
As shown, as a preferred embodiment of the present utility model, the circuit board 4 is disposed and mounted on the right cavity structure of the lower housing 12, and the circuit board 4 is disposed with one side for connecting the optical device 3 and the other side for fixing the connector 21.
In the embodiment of the present utility model, preferably, the circuit board 4 may be configured as a PCB with a certain thickness, the shape of the circuit board 4 may be set according to the actual installation requirement, the circuit board 4 may be provided with a plurality of connection potentials connected to the connector 21 and the optical device 3, each connection potential on the circuit board 4 and a connection pin on the optical device 3 may be connected and fixed by using a soldering manner, and the circuit board 4 may be placed on a rectangular bump of the second installation location.
As shown in the drawing, as a preferred embodiment of the present utility model, the connector 21 is provided with a connection tab 211 and a fixing cover 212, the connection tab 211 is connected to the connection potential of the circuit board 4, and the fixing cover 212 is used for fixing the flexible flat cable 22.
In the embodiment of the present utility model, the connector 21 may be composed of the connection pads 211 and the fixing cover 212, preferably, the connection pads 211 on the connector 21 may be arranged according to the number of connection potentials on the circuit board 4, the connection pads 211 may be configured as rectangular pads with a certain length, the fixing cover 212 may be a rectangular housing with a certain length, the fixing cover 212 may be configured as a gap with a certain length, the gap is configured for direct insertion and extraction of the flexible flat cable 22, and the gap on the fixing cover 212 forms standard fit with the thickness of the flexible flat cable 22, and forms tight connection when directly inserted.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. The optical module assembly convenient to plug is characterized by comprising a metal shell, an optical device, a circuit board and a connecting assembly;
the metal shell is used for installing the optical device, the circuit board and the connecting assembly, and a cavity structure is arranged in the metal shell;
the optical device is arranged and fixed on the cavity structure inside the metal shell and is used for converting an optical signal into an electric signal;
the circuit board is arranged on the inner cavity structure of the metal shell and is used for fixing the integrated circuit and the electronic device;
the connecting assembly comprises a soft flat cable and a connector, wherein the connector is arranged on the grounding potential of the optical module circuit board and the external main control circuit board, the soft flat cable is fixedly arranged on the connector, the soft flat cable is used for connecting the optical module and the external assembly, and the connector and the soft flat cable are connected in a plug-and-pull mode.
2. The pluggable optical module assembly of claim 1, wherein the metal housing includes an upper housing and a lower housing, the upper housing and the lower housing being configured for fixed connection and forming a communicating cavity structure.
3. The light module assembly of claim 2, wherein the upper housing is provided with a mounting tab and a first bar-shaped through hole, the mounting tab is disposed on a side of the upper housing, the mounting tab is connected with the lower housing, the first bar-shaped through hole is disposed at a bottom of the upper housing, and the first bar-shaped through hole has a heat dissipation function.
4. The light module assembly of claim 2, wherein the lower housing is provided with a first mounting location, a second mounting location and a second bar-shaped through hole, the first mounting location is used for mounting and fixing a light device, the second mounting location is used for mounting and fixing a circuit board, the second bar-shaped through hole is provided with a lower housing bottom, and the second bar-shaped through hole has a heat dissipation function.
5. The optical module assembly according to claim 1, wherein the optical device comprises an optical device main body and a connection pin, the optical device main body is fixed on the cavity structure on the left side of the lower housing, one end of the connection pin is fixed on the optical device housing, and the other end of the connection pin is connected on the circuit board.
6. The pluggable optical module assembly of claim 1, wherein the circuit board is mounted on the right cavity structure of the lower housing, the circuit board having one side for connecting the optical device and another side for securing the connector.
7. The pluggable optical module assembly of claim 1, wherein the connector is provided with a connection tab connected to the circuit board connection potential and a fixing cover for fixing the flexible flat cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320588104.3U CN219676341U (en) | 2023-03-23 | 2023-03-23 | Optical module assembly convenient to plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320588104.3U CN219676341U (en) | 2023-03-23 | 2023-03-23 | Optical module assembly convenient to plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219676341U true CN219676341U (en) | 2023-09-12 |
Family
ID=87925690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320588104.3U Active CN219676341U (en) | 2023-03-23 | 2023-03-23 | Optical module assembly convenient to plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219676341U (en) |
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2023
- 2023-03-23 CN CN202320588104.3U patent/CN219676341U/en active Active
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