TWI718418B - Fiber transceiver - Google Patents

Abstract

A fiber transceiver includes a housing, a light emitting module and a fixture. The light emitting module is located within the housing and includes a plurality of light emitting subassemblies. The fixture is located in the housing and has a plurality of openings, and the light-emitting subassemblies are accommodated, respectively, in the openings. The openings are aligned in an up-and-down alternated manner and have a stepped structure, and the structure of each light emitting sub-assembly is matched to the structure of the corresponding opening. The openings include a plurality of upper-rows holes and a plurality of lower-row holes. Each of the upper-row holes has an upper-row center and a vertical line, and each of the lower-row holes has a lower-row center. Each of the upper-row centers has at least one central connection with the adjacent lower-row centers. The center connections respectively define an acute angle with the corresponding vertical line, and each of the acute angles is between 10 degrees and 80 degrees.

Description

Fiber Transceiver

This case is about the field of optical transmission, especially a fiber optic transceiver.

In recent years, optical fiber communication systems have gradually replaced traditional copper wire communication systems and become today's most important wired communication method. Optical fiber communication systems are suitable for today's huge information transmission due to the advantages of high frequency bandwidth, long distance, low loss and low crosstalk. An optical fiber communication system usually includes an optical transmitter, an optical fiber, and an optical receiver. The optical transmitter converts electrical signals into optical signals, the optical fiber transmits the optical signals, and the optical receiver converts the optical signals back to electrical signals. At present, the optical fiber communication system further combines the optical transmitter and the optical receiver and is called a fiber transceiver (Fiber Transceiver). In the optical fiber communication system, the semiconductor element that is usually used as the light source is a light emitting diode (Light Emitting Diode) or a laser diode (Laser Diode).

Fiber optic transceivers are indispensable and important components in fiber optic communication systems, and they are developing towards a trend of faster transmission rate, smaller size, and higher reliability.

After the size of the optical fiber transceiver is miniaturized, the distance between the light source elements needs to be reduced, and the reduced distance causes poor heat dissipation. In view of this, this case proposes an optical fiber transceiver.

In some embodiments, an optical fiber transceiver includes a housing, a light emitting module, and a fixture. The light emitting module is located in the housing and includes a plurality of light emitting sub-components. The fixture is located in the housing and has a plurality of openings. The light emitting sub-components are located in the openings in a one-to-one manner. The openings are staggered up and down and have a stepped structure. The structure matches the structure of the corresponding opening. Therefore, with the openings staggered up and down, the spacing between the light emitting sub-components is increased, and better heat dissipation effect can be obtained, and the overall optical fiber transceiver is smaller in size.

In some embodiments, the openings include a plurality of upper rows of holes and a plurality of lower rows of holes, the upper rows of holes each have an upper row center and a vertical line, and the lower rows of holes each have a lower row center, Each of the upper row centers and the adjacent lower row centers has at least one center line, each of the center lines defines an acute included angle with the corresponding vertical line, and each of the acute included angles is between 10 degrees and 80 degrees.

In some embodiments, the housing has a longitudinal axis, a side surface and a connecting end. The optical fiber transceiver further includes an unlocking member and an elastic element. The unlocking member includes a connecting piece with a fastener at one end and a holding part at the other end. The connecting piece is located in the casing and extends to the outside of the casing, and is adapted to move between a locking position and an unlocking position along the longitudinal axis. The fastener is exposed on the side, and the grip part is exposed on the connecting end. The elastic element is located in the shell and maintains the connecting piece in the locking position in a normal state.

In some embodiments, the shell includes an upper shell and a lower shell. The upper shell has two sliding grooves. The lower shell has two protrusions. The two protruding blocks correspond to the two sliding grooves. When the two protruding blocks are placed in the second sliding groove, the upper shell and the lower shell are engaged; when the two protruding blocks are placed outside the second sliding groove, the upper shell and the lower shell are separated.

In some embodiments, each of the light emitting sub-components has a light emitting fiber. The optical fiber transceiver further includes a connection port and a multiplexer. The connection port has an optical input end and an optical output end. The multiplexer is located in the housing and includes a plurality of light entrances, a light exit, a reel and a horizontal element. The light-emitting optical fibers are respectively connected to the corresponding light-entry ports. The multiplexing multiplexer is used to multiplex the optical signals from the light entrance ports and output them from the light exit port, and the light exit port is optically connected to the light output end. There is a space between the horizontal element and the housing, and some of the light-emitting fibers are located in the space.

In some embodiments, the optical fiber transceiver further includes a light receiving module and a receiving jumper. The light receiving module is located in the housing. The receiving jumper is located in the housing, one end is optically connected to the light receiving module, the other end is provided with an incident light fiber, and the incident light fiber is connected to the light input end.

In some embodiments, the multiplexer has an optical port fiber and a multiplexer axis. The multiplexer uses the optical port fiber to connect the optical port to the optical output end. An acute angle, the acute angle is between 0 degrees and 45 degrees.

In some embodiments, the spool has a groove, and the cross section of the groove is non-circular. The inner wall of the casing has a protruding part, and the groove is corresponding to and used for accommodating the protruding part.

In some embodiments, the housing has a receiving groove for receiving the elastic element. The unlocking member further includes a cover sheet to cover the accommodating groove.

In some embodiments, the cover sheet includes a baffle, and the baffle is located on one side of the aforementioned space.

In some embodiments, each of the light emitting sub-components has a light emitting fiber, and the optical fiber transceiver further includes a connection port, a light receiving module, a connecting jumper, and a jumper fixing element. The connection port has an optical input end and an optical output end. The light receiving module is located in the housing and has at least one light-incident optical fiber. The connecting jumper is located in the housing, one end is connected to the at least one light-incoming fiber and the light-outgoing fibers, and the other end is connected to the light input end and the light output end. One end of the jumper fixing element is connected to the transfer jumper, and the other end is connected to the shell.

In some embodiments, the jumper fixing element and the housing are integrally connected.

According to some embodiments of the optical fiber transceiver in this case, the openings of the fixture are staggered up and down to achieve effective use of the fixture, effectively fix the light emitting sub-components, and evenly distribute the positions of the light emitting sub-components to achieve effective heat dissipation. . In some embodiments, the spool of the multiplexer can effectively accommodate long light-emitting fibers and light-incident fibers, so that the fragile and easily crushed fibers are maintained around the spool. In some embodiments, the cover sheet and the baffle sheet effectively isolate the elastic element and part of the housing from contacting the optical fiber, and prevent the optical fiber from being damaged by being clamped by the elastic element and the housing.

Fig. 1 shows a three-dimensional partial exploded schematic diagram of an optical fiber transceiver according to some embodiments of the present case. The optical fiber transceiver 100 includes a housing 10, a light emitting module 30 and a fixture 60. The light emitting module 30 is located in the housing 10 and includes a plurality of light emitting sub-assemblies 302.

The housing 10 has an insertion end 110 (ie, the left side of FIG. 1) and a connecting end 108 (ie, the right side of FIG. 1). The insertion end 110 is used to electrically connect a corresponding communication device, such as but not limited to a communication switch. , Hub, the connection end 108 is used to connect the optical fiber of the optical connector (not shown in the figure).

The light emitting subassembly 302 is used to convert electrical signals into optical signals (detailed later). In some embodiments, the light emitting subassembly 302 includes a laser (Laser Diode) or includes a light emitting diode (Light Emitting Diode) . When the light emitting sub-assembly 302 is in operation, depending on its luminous power, it usually generates more heat.

Please refer to FIG. 2. FIG. 2 shows a front view of the fixture according to some embodiments of the present case. The fixing tool 60 is located in the housing 10 and has a plurality of openings 602. The light emitting sub-components 302 are located in the openings 602 in a one-to-one manner, and the openings 602 are arranged staggered up and down. In some embodiments, the staggered arrangement of the openings 602 is a zigzag arrangement.

Specifically, the light emitting sub-components 302 are correspondingly located in the openings 602, and the openings 602 are arranged in a staggered manner, so that the distance between adjacent openings 602 is enlarged, and each light emitting sub-component 302 is provided with a larger heat dissipation space. This arrangement can better arrange the light emitting sub-assembly 302 in the limited space of the optical fiber transceiver 100, resulting in a smaller volume, better heat dissipation effect, and improved reliability.

Please refer to FIGS. 2 and 10. FIG. 10 is a schematic top sectional view of the fixture according to some embodiments of the present case. Each of the openings 602 has a front hole 610, a rear hole 612 and a hole wall 614. In terms of structure, the cross section of the hole wall 614 of each opening 602 is a circle, and the circle increases stepwise along the front hole 610 to the rear hole 612, so the hole wall 614 is shown in the top cross-sectional view A stepped pyramid shape. Since the structure of each light emitting subassembly 302 matches the structure of the corresponding opening 602 to improve the heat dissipation efficiency, when the surface area of the hole wall 614 is increased due to the stepped structure, the surface area of the light emitting subassembly 302 matches the hole wall 614. As it increases, the contact area between the hole wall 614 and the light emitting sub-assembly 302 is increased to achieve better heat dissipation.

Please refer to FIG. 2 again. In some embodiments, on the end surface of the fixture 60 shown in FIG. 2, the openings 602 include a plurality of upper rows of holes 604 and a plurality of lower rows of holes 606. Each of the upper rows of holes 604 has an upper row of centers 604A and a vertical line L6, and each of the lower rows of holes 606 has a lower row of centers 606A. Each of the upper row centers 604A and the lower row centers 606A adjacent to each has at least one center line L8. Each of the center lines L8 and the corresponding vertical line L6 define an acute included angle θ4, and each of the acute included angles θ4 is between 10 degrees and 80 degrees.

The material of the fixture 60 may include at least one of the following materials: a metal material, a ceramic material, or a plastic material, so that the light emitting sub-components 302 have a good heat dissipation function.

FIG. 3 illustrates an exploded schematic diagram of a part of the upper shell and the lower shell according to some embodiments of the present case. Please refer to FIGS. 1 and 3 together. The casing 10 includes an upper casing 102 and a lower casing 104. Please refer to the upper shell 102 having two sliding grooves 114, the lower shell 104 having two protrusions 112, and the two protrusions 112 correspond to the two sliding grooves 114. When the upper shell 102 and the lower shell 104 are assembled, the angle between the upper shell 102 and the lower shell 104 is in principle from 0° to 60°, because when the angle between the upper shell 102 and the lower shell 104 is greater than 60°, the upper shell 102 and the lower shell 104 will interfere with each other and cannot be assembled. During the assembly process, the protrusion 112 can enter from the opening of the sliding groove 114. When the two protrusions 112 are placed in the second sliding groove 114, the upper housing 102 and the lower housing 104 rotate relative to each other with the two protrusions 112 as pivots, so that the upper housing 102 is fitted with the lower shell 104. When the upper shell 102 and the lower shell 104 are disassembled, the upper shell 102 and the lower shell 104 also use the two protruding blocks 112 as pivots, and rotate in the opposite direction to the assembly direction until the angle between the upper shell 102 and the lower shell 104 is 0° to At 60 degrees, the protrusion 112 can exit the sliding groove 114, and when the two protrusions 112 are placed outside the second sliding groove 114, the upper shell 102 and the lower shell 104 can be separated.

Please continue to refer to FIG. 1, the optical fiber transceiver 100 further includes an optical receiving module 40, a receiving jumper 70, a multiplexing multiplexer 50, a circuit board 910 and a connection port 90. The light receiving module 40, the light emitting module 30, the fixture 60, the receiving jumper 70, the multiplexer 50 and the circuit board 910 are located in the housing 10. The connection port 90 is optically connected to the receiving jumper 70 and the multiplexer 50 respectively. The receiving jumper 70 is optically connected to the light receiving module 40. The circuit board 910 is electrically connected to the light receiving module 40 and the light emitting module 30 respectively. The light emitting module 30 is optically connected to the multiplexer 50.

One end of the circuit board 910 (that is, the left side of FIG. 1, corresponding to the insertion end 110 of the aforementioned housing 10) is used to electrically connect the aforementioned corresponding communication device. The light receiving module 40 and the light emitting module 30 are respectively electrically connected to the circuit board 910. The circuit board 910 processes the electrical signals from the communication device and drives the light emitting subassembly 302 of the light emitting module 30 Generate the corresponding optical signal. The light receiving module 40 is used to receive and convert the optical signal into an electrical signal, and transmit the converted electrical signal to the circuit board 910. After the circuit board 910 is processed, the processed electrical signal is transmitted to the corresponding communication device.

Fig. 4 shows a perspective view of part of the optical fiber transceiver according to some embodiments of the present case. Please refer to FIGS. 1 and 4 together, each of the light emitting sub-components 302 has a light emitting fiber 304. The multiplexer 50 includes a plurality of light inlets 502 and a light outlet 504. The connection port 90 has a light output terminal 904. The light-emitting fiber 304 is optically connected to the light inlets 502, and the light-emitting port 504 is optically connected to the light output end 904. The light generated by the light emission sub-assembly 302 passes from the light output fiber 304 to the light entrance 502. The multiplexer 50 multiplexes the incoming light and transmits it from the light exit 504 to the light output terminal 904 (corresponding to the connection of the aforementioned housing 10). End 108), the optical output end 904 is used to connect the optical fiber of the aforementioned optical connector.

The connection port 90 also has an optical input end 902, one end of the receiving jumper 70 has an incident light fiber 402, the incident light fiber 402 is connected to the optical input end 902, and the other end of the receiving jumper 70 is optically connected to the light receiving end via at least one light beam 404 Module 40. Therefore, the connection port 90 receives the optical signal from the optical fiber of the corresponding optical connector from the optical input terminal 902 and transmits the optical signal to the receiving jumper 70. The receiving jumper 70 splits the optical signal and transmits it to the optical receiving module 40. The light receiving module 40 converts the received optical signal into an electrical signal and transmits it to the circuit board 910.

FIG. 5 illustrates a three-dimensional partial exploded schematic diagram of the unlocking member and the housing according to some embodiments of the present invention. Please refer to FIGS. 1 and 5 together. The housing 10 has a longitudinal axis D2, a side surface 106 (ie, the upper right side or the lower left side of FIG. 5), and a connecting end 108 (ie, the lower right side of FIG. 5).

In some embodiments, referring to FIGS. 1 and 5 together, the optical fiber transceiver 100 includes an unlocking member 20. The unlocking member 20 includes a connecting piece 202 and an elastic element 208. The connecting member 202 has a fastener 204 at one end and a grip 206 at the other end. The connecting member 202 is located in the housing 10 and extends to the outside of the housing 10, and is adapted to move between a locking position P2 and an unlocking position P4 along the long axis D2. The fastener 204 is exposed on the side 106, and the holding portion 206 is exposed on the connecting end 108. The elastic element 208 is located in the housing 10 and maintains the connecting member 202 at the locking position P2 in a normal state.

According to the above embodiment, when the optical fiber transceiver 100 is inserted into the corresponding communication device, the exposed fastener 204 is buckled into the buckle groove of the communication device, so that the optical fiber transceiver 100 is fixed to the communication device. When the optical fiber transceiver 100 is taken out, the grip portion 206 can be held by hand and moved toward the unlocking position P4. At this time, the fastener 204 will be disengaged from the fastening relationship with the buckle groove of the communication device, and the optical fiber transceiver 100 It can be pulled out. In addition, the elastic element 208 may be a spring.

The aforementioned connecting member 202, fastener 204, and elastic element 208 may not be limited to one. In some embodiments, please refer to FIGS. 1 and 5 together. The housing 10 has a long axis D2, two side surfaces 106 (ie, the lower left side and upper right side of FIG. 5), an insertion end 110 (ie, the upper left side of FIG. 5), and a connecting end 108 (ie, the lower right side of FIG. 5). ). The unlocking member 20 includes two connectors 202 and two elastic elements 208. One end of the two connecting members 202 has a holding portion 206 in common, and the other end has a fastener 204 respectively. The connecting member 202 is located in the housing 10 and extends to the outside of the housing 10, and is adapted to move along the longitudinal axis D2. Between the locking position P2 and an unlocking position P4, the two fasteners 204 are respectively exposed on the two side surfaces 106, and the holding portion 206 is exposed on the connecting end 108. The elastic element 208 is located in the housing 10 and maintains the two connecting members 202 at the locking position P2 in a normal state. Therefore, the unlocking member 20 can also facilitate the user to insert or remove the optical fiber transceiver 100 into or out of the communication device.

In some embodiments, please refer to FIGS. 1 and 5 together. The connecting member 202 has a top member 210 located between the housing 10 and the elastic element 208 and connected to one end of the elastic element 208 so that the connecting member 202 and the elastic element 208 maintain a linkage relationship. When the unlocking member 20 is at the unlocking position P4, the elastic element 208 normally applies an elastic force to the top member 210 along the long axis D2 to push the connecting member 202 toward the locking position P2. In other words, the elastic element 208 is a normal maintaining connecting member 202 is at the lock position P2.

In some embodiments, when the unlocking member 20 is at the locking position P2, the two fasteners 204 are respectively buckled with the corresponding buckle slots, and the light receiving module 40 is fixed to the slot of the corresponding communication device; when the unlocking member 20 is unlocked At position P4, the two fasteners 204 are separated from the corresponding buckle slots, and the light receiving module 40 is separated from the slot of the communication device.

Please refer to FIG. 6. FIG. 6 is a schematic cross-sectional view of the multiplexer according to some embodiments of the present application. The multiplexer 50 includes a spool 506 and a horizontal element 510. The horizontal element 510 has a space S2 between the surface facing the spool 506 and the housing 10, and this space S2 is convenient for part of the light-incident optical fiber 402 and part of the light-exit optical fiber 304 to be wound around the spool 506 to avoid excessively long incident optical fiber 402. And the light-emitting fiber 304 extends outside the space S2 without restriction, for example, it is clamped and damaged by other components of the optical fiber transceiver 100.

Please refer to FIG. 7. FIG. 7 shows a top view of some components of the optical fiber transceiver according to some embodiments of the present case. The multiplexer 50 has an optical port fiber 512 and a multiplexer axis L2. The multiplexer 50 lent the optical port fiber 512 to connect the optical port 504 to the optical output end 904. There is an acute angle θ2 between the multiplexer axis L2 and the long axis D2, and the acute angle θ2 is between 0° and 45°. This design makes the light outlet 504 adjacent to the light output end 904, which can shorten the length of the optical fiber 512 of the light outlet. In addition, the optical signal loss caused by excessive bending of the optical fiber 512 between the optical output port 504 and the optical output end 904 due to excessive bending is reduced.

Please refer to FIG. 8. FIG. 8 is an exploded schematic diagram of a part of the upper case and components according to some embodiments of the present case (a viewing angle different from that of FIG. 1 ). The housing 10 has a receiving groove 118 for receiving the elastic element 208. Specifically, in this embodiment, the receiving groove 118 is located in the upper shell 102. The unlocking member 20 further includes a cover sheet 212 for covering the accommodating groove 118 to prevent the optical fiber from contacting with the elastic element 208 and being pinched. It can be seen from FIG. 8 that the cover sheet 212 can be fixed to the upper shell 102 by one or more screws 216.

In some embodiments, the housing 10 has two accommodating grooves 118 for accommodating corresponding elastic elements 208 respectively. The accommodating groove 118 has a supporting surface 120, and the supporting surface 120 and the top member 210 are located at both ends of the elastic element 208, that is, the supporting surface 120 contacts one end of the elastic element 208, and provides a fulcrum for the elastic element 208 to apply elastic force to the top member 210 . The unlocking member 20 further includes two cover pieces 212 for covering the corresponding receiving groove 118, so that the elastic element 208 is treated as if it is enclosed between the receiving groove 118 and the cover piece 212, so as to prevent the optical fiber from contacting with the elastic element 208 and being pinched. . For example, during the compression process of the elastic element 208, if the optical fiber is clamped between the elastic elements 208, it is easy to be pinched off.

In some embodiments, please refer to FIGS. 6 and 8 together. The cover sheet 212 includes a baffle 214 located on one side of the space S2 for winding the optical fiber to isolate the housing 10 on the side from contacting the optical fiber. , To prevent the fiber from being pinched by the housing 10.

In some embodiments, please refer to FIGS. 1, 6, and 8 together. The cover sheet 212 has a structure of two flat plates. The two flat plates are perpendicular to each other and connected at one end. One of the flat plates is parallel to the side surface 106, which is parallel to the side surface 106. The plate is the baffle 214. As shown in FIG. 6, one side of the baffle 214 is the space S2 where the optical fiber is wound, and the other side is the housing 10 to prevent the optical fiber from being pinched by the housing 10. For example, in the process of assembling the upper housing 102 and the lower housing 104, if the optical fiber is sandwiched between the upper housing 102 and the lower housing 104, it is easy to be pinched off.

In some embodiments, please refer to FIGS. 1, 4 and 8 together, the spool 506 has a groove 508, and the cross section of the groove 508 is non-circular. The inner wall of the housing 10 has a protruding portion 116, and the groove 508 corresponds to and is used for receiving the protruding portion 116. Wherein, the cross section of the groove 508 is non-circular, so that when the spool 506 is fitted into the housing 10, it does not rotate due to the moment caused by the wound optical fiber. The cross section of the groove 508 can be triangular, square, pentagonal, hexagonal, heptagonal or octagonal polygonal figures. If the figure is a triangle, the multiplexer 50 has at most three selection directions. In the case of a square shape, the multiplexer 50 has at most four selection directions, and so on, the more polygonal graphics allow the multiplexer 50 to have more choices of directions, and the multiplexer 50 can select different directions according to different directions. There are different angles between the axial direction L2 and the long axial direction D2.

Please refer to FIG. 9. FIG. 9 illustrates a three-dimensional partial exploded view of an optical fiber transceiver according to some embodiments of the present case. The optical fiber transceiver 100 includes a housing 10, a light emitting module 30 and a fixture 60. The light emitting module 30 is located in the housing 10 and includes a plurality of light emitting sub-assemblies 302.

The housing 10 has an insertion end 110 (ie, the left side of FIG. 9) and a connecting end 108 (ie, the right side of FIG. 9). The insertion end 110 is used to electrically connect a corresponding communication device, and the connecting end 108 is used to connect an optical connector Optical fiber (not shown in the picture).

Please refer to FIG. 9 continuously. The optical fiber transceiver 100 further includes a light receiving module 40, a connecting jumper 80, a circuit board 910, and a connection port (not shown in the figure). The light receiving module 40, the connecting jumper 80 and the circuit board 910 are located in the housing 10. The connecting jumper 80 also has two positioning pins 84, and the connecting port is arranged between the two positioning pins 84. The port is optically connected to the jumper 80. The connecting jumper 80 is optically connected to the light receiving module 40 and the light emitting module 30 respectively. The circuit board 910 is electrically connected to the light receiving module 40 and the light emitting module 30 respectively.

One end of the circuit board 910 (that is, the left side of FIG. 9 corresponding to the insertion end 110 of the aforementioned housing 10) is used to electrically connect the aforementioned corresponding communication device. The light receiving module 40 and the light emitting module 30 are respectively electrically connected to the circuit board 910. The circuit board 910 processes the electrical signals from the communication device and drives the light emitting subassembly 302 of the light emitting module 30 Generate the corresponding optical signal. The light receiving module 40 is used to receive and convert the optical signal into an electrical signal, and transmit the converted electrical signal to the circuit board 910. After the circuit board 910 is processed, the processed electrical signal is transmitted to the corresponding communication device.

The connecting port has a light output end (not shown in the figure). The light generated by the light emitting sub-assembly 302 travels from the light-emitting fiber 304 to the connecting jumper 80, and the connecting jumper 80 transmits the incoming light to the light output end (corresponding to the connection end 108 of the aforementioned housing 10), which is used for the light output end To connect the optical fiber of the aforementioned optical connector.

The connecting port also has an optical input end (not shown in the figure), and the optical input end is optically connected to one end of the jumper 80. The light receiving module 40 has at least one light incident fiber 402, and the at least one light incident fiber 402 is connected to the other end of the connecting jumper 80. Therefore, the optical input end of the connection port receives the light from the optical fiber of the corresponding optical connector. The optical signal is transmitted to the connecting jumper 80, and the optical signal is transmitted to the light receiving module 40 through the connecting jumper 80. The light receiving module 40 converts the received optical signal into an electrical signal, and then transmits it to the circuit board 910.

In some embodiments, the optical fiber transceiver 100 includes a jumper fixing element. The jumper fixing element is located in the housing 10, one end is connected to the jumper 80, and the other end is connected to the housing 10 to fix the jumper 80. .

In some embodiments, the jumper fixing element and the housing 10 are detachably connected to increase the convenience of replacing parts.

In some embodiments, the jumper fixing element and the housing 10 are integrally connected to reduce production costs.

In some embodiments, the optical fiber transceiver 100 further includes a base 906' for fixing the optical fiber of the corresponding optical connector.

In some embodiments, the fixture 60 has a notch 608, and the notch 608 is used to place the light incident fibers 402 on the fixture 60. The notch 608 can be open on both sides (as shown in FIG. 2) and one side is open. Or, it appears in the form of holes similar to the openings 602. The notch 608 and the openings 602 do not overlap with each other. In addition, the position of the notch 608 is designed to save the volume of the fixture 60 as a principle. As shown in FIG. 2, the notch 608 is provided above the lower row of holes 606. In addition, the notch 608 is not limited to being provided above any lower row of holes 606, or the notch 608 is not limited to being provided below any upper row of holes 604.

In some embodiments, the optical fiber transceiver 100 further includes a cover 920. The cover 920 includes at least one pin and is welded to the circuit board 910 through the pins. The cover 920 covers the light receiving module 40 and the receiving jumper. 70. Protect the light receiving module 40 mechanically, improve the heat dissipation function, and reduce the influence of electromagnetic interference.

In some embodiments, the material of the cover 920 includes at least one of the following materials: a metal material or a ceramic material.

In some embodiments, the surface of the cover body 920 is coated with another metal material to achieve multiple functions: first, the cover body 920 has a better fixing function after being welded to the circuit board 910; second, the cover body 920 It has a better heat dissipation function; and thirdly, the cover 920 is made to shield the noise to prevent the light receiving signals from being interfered by the noise.

In some embodiments, the surface of the fixture 60 is subjected to an insulation treatment to insulate the light emission signals, and prevent the light emission signals from crosstalk between each other or interference from external signals.

According to some embodiments of the optical fiber transceiver 100 of the present application, the openings 602 of the fixture 60 are staggered up and down, so that the fixture 60 can be effectively used, the light emitting sub-assembly 302 can be effectively fixed, and the light emitting sub-assembly 302 can be evenly distributed. The position achieves the effect of effective heat dissipation. In some embodiments, the spool 506 of the multiplexer 50 can effectively receive the light-emitting fiber 304 that is too long, so that the fragile and easily crushed optical fiber is maintained around the spool 506. In some embodiments, the cover sheet 212 and the stop sheet 214 effectively isolate the elastic element 208 and part of the housing 10 from contacting the optical fiber, and prevent the optical fiber from being damaged by being clamped by the elastic element 208 and the housing 10.

100: fiber optic transceiver 10: Shell 102: upper shell 104: lower shell 106: side 108: connection end 110: Insert end 112: bump 114: Chute 116: protruding part 118: accommodating slot 120: support surface D2: Long axis 20: Unlock the component 202: connector 204: Fastener 206: Grip 208: Elastic element 210: top piece 212: cover sheet 214: Block 216: Screw P2: Lock position P4: unlock position 30: light emitting module 302: Optical emission sub-component 304: light emitting fiber 40: Optical receiving module 402: Light fiber 404: beam 50: Multiplexer 502: Light entrance 504: light outlet 506: Spool 508: groove 510: horizontal element 512: Optical fiber S2: Space L2: Multiplexer axis θ2: acute angle 60: Fixture 602: hole 604: upper row of holes 604A: Upper row center 606: lower row of holes 606A: lower center 608: Gap 610: front hole 612: back hole 614: hole wall L6: plumb line L8: Center connection θ4: acute included angle 70: Receive jumper 80: transfer jumper 84: positioning pin 90: Port 902: Optical input 904: Optical output 906’: Seat 910: circuit board 920: Lid

[Fig. 1] A schematic diagram showing a three-dimensional partial exploded view of an optical fiber transceiver according to some embodiments of the present case. [Figure 2] A front view of the fixture according to some embodiments of the present case. [Figure 3] Illustrates an exploded schematic view of part of the upper shell and the lower shell according to some embodiments of the present case. [Fig. 4] A three-dimensional schematic diagram of part of the optical fiber transceiver according to some embodiments of the present case. [Fig. 5] Illustrates a three-dimensional partial exploded schematic diagram of the unlocking member and the housing according to some embodiments of the present case. [Figure 6] A schematic cross-sectional view of the multiplexer according to some embodiments of the present case. [Fig. 7] A top view of some components of the optical fiber transceiver according to some embodiments of the present case. [Fig. 8] An exploded schematic diagram of a part of the upper shell and components according to some embodiments of the present case. [Fig. 9] A schematic diagram showing a three-dimensional partial exploded view of an optical fiber transceiver according to some embodiments of the present case. [Figure 10] A schematic top cross-sectional view of the fixture according to some embodiments of the present case.

100: fiber optic transceiver

10: Shell

102: upper shell

104: lower shell

106: side

108: connection end

110: Insert end

D2: Long axis

20: Unlock the component

202: connector

204: Fastener

206: Grip

208: Elastic element

210: top piece

212: cover sheet

214: Block

216: Screw

P2: Lock position

P4: unlock position

30: light emitting module

302: Optical emission sub-component

304: light emitting fiber

40: Optical receiving module

402: Light fiber

404: beam

50: Multiplexer

512: Optical fiber

60: Fixture

70: Receive jumper

90: Port

902: Optical input

904: Optical output

910: circuit board

920: Lid

Claims (13)

An optical fiber transceiver, comprising: a housing; a light emitting module, located in the housing and including a plurality of light emitting sub-components; and a fixture, located in the housing and having a plurality of openings, the light emitting modules The secondary components are located in the openings in a one-to-one manner. The openings are arranged staggered up and down, and each of the openings has a front hole, a back hole, and a hole wall. Each hole wall has a stepped structure and runs along the corresponding The front hole to the corresponding rear hole increases stepwise, and the structure of each light emitting subassembly matches the structure of the corresponding opening. The optical fiber transceiver according to claim 1, wherein the openings include a plurality of upper rows of holes and a plurality of lower rows of holes, each of the upper rows of holes has an upper row center and a vertical line, and the lower rows The rows of holes each have a lower row center, each of the upper row centers has at least one center connection with the adjacent lower row centers, and the center connections define an acute angle with the corresponding vertical line. The acute included angle is between 10 degrees and 80 degrees. The optical fiber transceiver according to claim 2, wherein the housing has a long axis, a side surface and a connecting end, the optical fiber transceiver further includes an unlocking member, the unlocking member includes: a connecting piece with one end A fastener with a gripping portion at the other end, the connector is located in the housing and extends to the outside of the housing, and is adapted to move between a locking position and an unlocking position along the longitudinal axis, the fastener It is exposed on the side surface, and the grip portion is exposed on the connecting end; and an elastic element is located in the casing and maintains the connecting piece in the lock position normally. The optical fiber transceiver according to claim 3, wherein the housing includes: an upper shell with two sliding grooves; and a lower shell with two protrusions, the two protrusions corresponding to the two sliding grooves, when the two protrusions The block is placed in the two sliding grooves, and the upper shell is engaged with the lower shell; when the two protruding blocks are placed outside the two sliding grooves, the upper shell is separated from the lower shell. The optical fiber transceiver according to claim 4, wherein each of the light emitting sub-components has an optical fiber, and the optical fiber transceiver further includes: a connection port having an optical input end and an optical output end; and The multiplexer is located in the housing and includes a plurality of light entrances, a light exit, a spool and a horizontal element. The light exit fibers are respectively connected to the corresponding light entrances. The multiplexer is used to connect The light signals from the light entrance ports are combined and output from the light exit port. The light exit port is optically connected to the light output end. There is a space between the horizontal element and the housing, and part of the light exit fibers are located in the space. The optical fiber transceiver according to claim 5, further comprising: a light receiving module located in the housing; and a receiving jumper located in the housing, one end of which is optically connected to the light receiving module, and the other end has an input The optical fiber is connected to the optical input end. The optical fiber transceiver according to claim 5, wherein the multiplexer has an optical outlet fiber and a multiplexer axis, and the multiplexer uses the optical outlet fiber to connect the optical outlet to the optical output end, There is an acute angle between the multiplexer axial direction and the long axial direction, and the acute angle is between 0 degrees and 45 degrees. The optical fiber transceiver according to claim 7, wherein the spool has a groove, the cross section of the groove is non-circular, and the inner wall of the housing has a protrusion, and the groove corresponds to and is used for accommodating Place the protrusion. According to the optical fiber transceiver of claim 8, the housing has a containing groove for containing the elastic element, and the unlocking member further includes a cover sheet for covering the containing groove. According to the optical fiber transceiver according to claim 9, the cover sheet includes a baffle sheet located on one side of the space. The optical fiber transceiver according to claim 10, further comprising: a light receiving module located in the housing; and a receiving jumper located in the housing, one end is optically connected to the light receiving module, and the other end has an input The optical fiber is connected to the optical input end. The optical fiber transceiver according to claim 4, wherein each of the light emitting sub-components has an optical fiber, and the optical fiber transceiver further includes: a connection port having an optical input end and an optical output end; The receiving module is located in the housing and has at least one light-incident optical fiber; a transmission jumper is located in the housing, one end is connected to the at least one light-incident optical fiber and the light-emitting optical fibers, and the other end is connected to the optical input end and the optical fiber Light output end; and a jumper fixing element, one end is connected to the transfer jumper, and the other end is connected to the housing. The optical fiber transceiver according to claim 12, wherein the jumper fixing element and the housing are integrally connected.

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