CN115835582A

CN115835582A - High-efficient radiating communication optical transmitter and receiver

Info

Publication number: CN115835582A
Application number: CN202211477768.9A
Authority: CN
Inventors: 韩俊鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-21

Abstract

The invention relates to a communication optical transceiver, in particular to a communication optical transceiver capable of efficiently dissipating heat. It includes the optical terminal casing and sets up the heat dissipation lid at the optical terminal casing upside, and the downside of heat dissipation lid is provided with the work subassembly, and the work subassembly includes the mainboard and sets up the fan in the mainboard downside, and the fan absorbs the outside air of optical terminal casing to remove absorptive air, make the heat that produces on the mainboard taken away. The heat dissipation cover absorbs heat generated on the mainboard and dissipates the absorbed heat, so that the heat cannot be accumulated in the optical end casing, meanwhile, the heat generated on the mainboard is taken away by matching with the fan to drive airflow, the heat cannot be accumulated in the optical end casing, meanwhile, when the fan drives the airflow to move, the heat near the mainboard is blown, the heat near the mainboard is taken away, the temperature of the working environment of the mainboard is ensured not to be overhigh, and the mainboard can normally receive signals.

Description

High-efficient radiating communication optical transmitter and receiver

Technical Field

The invention relates to a communication optical transceiver, in particular to a communication optical transceiver capable of efficiently dissipating heat.

Background

The optical transmitter and receiver is a terminal device for optical signal transmission, and mainly uses optical transmission characteristics to achieve the purpose of remote transmission through signal modulation, photoelectric conversion and other technologies, the optical transmitter and receiver comprises an optical transmitter and an optical receiver, the optical transmitter completes electric/optical conversion and transmits optical signals for optical fiber transmission; the optical receiver mainly restores the optical signal received from the optical fiber to an electrical signal to complete optical/electrical conversion.

The optical transmitter and receiver can produce a large amount of heat in the use process, if the heat can not be dissipated, the optical transmitter and receiver can be caused to be blocked by a video and even be halted, burnt and the like, so that the optical transmitter and receiver can not be normally used.

In order to enable the optical transceiver to be used normally, a fan is arranged inside the optical transceiver to blow away heat inside the optical transceiver, but when the current fan dissipates heat to the optical transceiver, the heat inside the optical transceiver cannot be dissipated uniformly, and when the heat is dissipated, the heat inside the optical transceiver cannot be taken away quickly, so that the quick heat dissipation of the optical transceiver cannot be realized, and the optical transceiver capable of dissipating heat quickly is required to ensure the normal transmission of optical signals.

Disclosure of Invention

The present invention is directed to a communication optical transceiver with high heat dissipation efficiency, so as to solve the problems in the background art.

For realizing above-mentioned purpose, a high-efficient radiating communication optical transmitter and receiver is provided, including optical transmitter and receiver casing and the heat dissipation lid of setting at optical transmitter and receiver casing upside, the downside of heat dissipation lid is provided with the work subassembly, the work subassembly includes the mainboard and sets up the fan at the mainboard downside, the fan absorbs the outside air of optical transmitter and receiver casing to remove absorptive air, make the heat that produces on the mainboard taken away, and absorb the heat that gives off on the mainboard at the heat dissipation lid, and spread away the heat, the heat dissipation lid guides the absorptive air of fan simultaneously for thermal giving off on the mainboard.

As a further improvement of this technical scheme, the optical terminal casing includes the drain pan, the both sides and the outside intercommunication of drain pan, the installing port has been seted up to the upside of drain pan, the heat dissipation lid is including being curved heat dissipation arc plate, the heat dissipation arc plate covers the installing port, and has seted up a plurality of pipe chute on the last lateral wall of heat dissipation arc plate, pipe chute will dispel the upper and lower both sides intercommunication of heat dissipation arc plate.

As a further improvement of the technical scheme, one end of the inclined conduit, which is positioned at the upper side of the heat dissipation arc plate, inclines towards the edge position of the heat dissipation arc plate, a plurality of heat dissipation blocks are fixed on the outer side wall of the heat dissipation arc plate, the inside of each heat dissipation block is of a hollow structure and is communicated with the bottom of the heat dissipation arc plate, and heat generated by the main board enters the inside of each heat dissipation block and is diffused to the outside through the heat dissipation blocks.

As a further improvement of the technical scheme, the radiating block is arranged at one end of the inclined conduit, when air flows upwards from the bottom of the radiating arc plate, the air flows are blown on the radiating block through the inclined conduit, so that the radiating block is accelerated to dissipate heat, and when the air flows from the upper surface to the lower surface of the radiating arc plate, the radiating block guides the air flows, so that the air flows are convenient to enter the lower side of the radiating arc plate through the inclined conduit.

As a further improvement of the technical scheme, a plurality of inner grooves which are sunken downwards are fixed on the heat dissipation arc plate, fins are arranged on two sides of each inner groove, and the fins guide airflow flowing on the upper side of the heat dissipation arc plate.

As a further improvement of the technical scheme, the main board is arranged in the mounting port, air supply flow passing gaps exist between the edge of the mounting port and the main board, connecting pieces arranged inside the bottom shell are arranged on two sides of the main board, the connecting pieces and the main board are connected through wires, and one end of each connecting piece penetrates through the side wall of the bottom shell and is used for being connected with an external signal wire.

As a further improvement of the technical solution, air ducts are symmetrically fixed to the side wall of the fan, the air ducts are installed inside the bottom case, and the bottom case and the two sides of the external communication are connected, when the fan works, air outside the bottom case is captured through the air ducts, and the captured air is conveyed towards the upper side of the fan, so that heat generated on the main board is blown, and upward moving air flows on the surface of the heat dissipation arc plate through the inclined ducts, so that the heat on the heat dissipation arc plate is blown away.

As a further improvement of this technical scheme, be provided with the division board in the installing port, the division board sets up in the clearance between installing port and mainboard, just the side undercut about the division board makes the bottom of division board and the last side wall contact of air duct, just the bottom of fan upper end and division board is linked together, simultaneously there is the space that is used for the air current between division board and the mainboard, and the air that the fan blown upwards takes away the heat that gives off on the mainboard through the space between mainboard and the division board.

As a further improvement of the technical scheme, side nets are installed on two sides of the bottom shell, a supporting frame is fixed on the upper side of the bottom shell, a separation net is installed on the supporting frame, and the separation net and the side nets block external sundries.

As a further improvement of the technical scheme, the fan captures air in the space below the heat radiating cover and discharges the captured air through the air guide pipe.

Compared with the prior art, the invention has the beneficial effects that:

1. in this high-efficient radiating communication optical transmitter and receiver, the heat that the cooling lid produced on to the mainboard absorbs, and give out absorptive heat, make the heat can't pile up in the inside of optical terminal casing, drive the heat that produces on with the mainboard through the cooperation fan simultaneously and take away, make the heat can not be in the inside gathering of optical terminal casing, the fan is when taking the moving air current to remove simultaneously, blow the heat near mainboard position, take away the heat near the mainboard, ensure that mainboard operational environment's temperature can not be too high, make the received signal that the mainboard can be normal.

2. In this high-efficient radiating communication optical transmitter and receiver, when the fan upwards blows the air current, the air current blows to the bottom of mainboard, and through the space rebound between mainboard and the division board, blow the drive to mainboard upside and heat on every side, guarantee the homogeneity to the mainboard cooling, the upside of heat dissipation arc board is blown through the pipe chute to the air current that shifts up simultaneously, the air current that comes out from the pipe chute simultaneously blows to the surface of heat dissipation arc board, accelerate the radiating giving off of heat on the arc board, improve radiating efficiency, ensure the normal use of mainboard.

3. In this high-efficient radiating communication optical transmitter and receiver, when the fan drives near the air of mainboard downwards, the partial air current of heat dissipation arc board upside blows the mainboard through the pipe chute, blow the heat that produces on the mainboard downwards, and leave the optical transmitter and receiver casing through the air duct bank, accelerate the cooling of heat dissipation lid, the heat that also makes on the working component simultaneously is arranged the both sides of optical transmitter and receiver casing fast, and when the air current passes through the pipe chute, partial air current blows the surface of heat dissipation arc board, accelerate giving off of heat dissipation arc board upper temperature, accomplish the quick heat dissipation of device.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall apparatus of the present invention in partial cross-section;

FIG. 3 is a cross-sectional view of a portion of the apparatus of the present invention;

FIG. 4 is a schematic diagram of an optical transceiver enclosure according to the present invention;

FIG. 5 is a schematic view of a heat dissipation cover according to the present invention;

FIG. 6 is a schematic cross-sectional view of the heat dissipation cover of the present invention;

FIG. 7 is a schematic view of a working assembly according to the present invention;

FIG. 8 is an exploded view of the working assembly of the present invention;

FIG. 9 is a schematic view of the flow of the air flow inside the fan-up device of the present invention;

FIG. 10 is a schematic view of the airflow inside the fan down draft of the present invention.

The various reference numbers in the figures mean:

1. an optical side chassis; 11. a bottom case; 12. a support frame; 13. separating the net; 14. an installation port; 15. an arc plate;

2. a heat dissipation cover; 21. a heat dissipating arc plate; 22. a deflection conduit; 23. a heat dissipating block; 24. an inner groove; 25. a fin;

3. a working assembly; 31. a main board; 32. a connecting member; 33. a partition plate; 34. a fan; 35. an air duct;

4. and (4) side nets.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In order to make the optical transceiver capable of being normally used, a fan is disposed inside the optical transceiver to blow away heat inside the optical transceiver, but the conventional fan cannot uniformly dissipate heat inside the optical transceiver and cannot rapidly take away heat inside the optical transceiver during heat dissipation, so that rapid heat dissipation of the optical transceiver cannot be achieved, and therefore an optical transceiver capable of rapidly dissipating heat is required to ensure normal transmission of optical signals to ensure normal use of the optical transceiver, as shown in fig. 1 to 10, a communication optical transceiver capable of efficiently dissipating heat is provided, including light end casing 1 and the cooling cap 2 of setting at light end casing 1 upside, the downside of cooling cap 2 is provided with work assembly 3, work assembly 3 includes mainboard 31 and sets up fan 34 in mainboard 31 downside, fan 34 absorbs the outside air of light end casing 1, and remove absorptive air, make the heat that produces on the mainboard 31 taken away, and absorb the heat that gives off on mainboard 31 at cooling cap 2, and go out the heat diffusion, cooling cap 2 guides the absorptive air of fan 34 simultaneously, accelerate thermal giving off on mainboard 31, the heat that gives off can not accumulate in light end casing 1 on making mainboard 31, ensure mainboard 31's normal use.

Example 1

In order to enable the device to achieve the above-described effect and enable the main board 31 to rapidly dissipate heat, referring to fig. 1-9, the optical end casing 1 includes a bottom casing 11, two sides of the bottom casing 11 are communicated with the outside, the upper side of the bottom casing 11 is provided with a mounting port 14, the heat dissipation cover 2 includes an arc heat dissipation arc plate 21 which is arc-shaped, the mounting port 14 is covered by the arc heat dissipation arc plate 21 and is fixed on the upper side of the bottom casing 11 through screws, the upper side wall of the arc heat dissipation plate 21 is provided with a plurality of oblique guide pipes 22, the upper side and the lower side of the arc heat dissipation plate 21 are communicated through the oblique guide pipes 22 by the oblique guide pipes 22, and the gas on the upper side and the lower side of the arc heat dissipation plate 21 is communicated through the oblique guide pipes 22.

Meanwhile, the main board 31 is disposed inside the mounting port 14, and there is a gap for air supply to flow through between the edge of the mounting port 14 and the main board 31, and a partition 33 is disposed in the mounting port 14, the partition 33 is disposed in the gap between the mounting port 14 and the main board 31, the main board 31 is fixed on the partition 33, connecting members 32 mounted inside the bottom case 11 are disposed on both sides of the main board 31, the connecting members 32 are connected to the main board 31 through wires, and one end of the connecting member 32 penetrates through the side wall of the bottom case 11 for connecting with an external signal line, so that an external signal can be transmitted to the main board 31, and the main board 31 processes the signal.

When fan 34 is in use, fan 34 captures air in bottom case 11, and upward conveys the captured air, the upward conveyed air flow blows on the bottom of motherboard 31 to take away heat from the bottom of motherboard 31, and the upward moved air flow continues to move upward, so that the air flow can blow on the upper side of motherboard 31, considering that when fan 34 captures air in bottom case 11, fan 34 captures heat emitted from motherboard 31, so that the captured air temperature is high to affect the absorption of heat by air, in order to improve the absorption of heat emitted from motherboard 31 by air flow, motherboard 31 is rapidly cooled, air ducts 35 are symmetrically fixed on the side walls of fan 34, air ducts 35 are installed inside bottom case 11, and both sides of bottom case 11 and the outside are communicated, when fan 34 is in operation, air outside bottom case 11 is captured by air ducts 35, and the captured air is conveyed toward the upper side of fan 34, so that heat generated on motherboard 31 is blown, and thus the air flow is more convenient to absorb and take away heat generated on motherboard 31.

In order to blow the upward air flow to the upper side of the main plate 31 and take away the heat on the upper side of the main plate 31, the left side and the right side of the partition plate 33 are recessed downward, so that the bottom of the partition plate 33 is in contact with the upper side wall of the air duct 35, the upper end of the fan 34 is communicated with the bottom of the partition plate 33, a space for air flow is formed between the recessed partition plate 33 and the main plate 31, the air blown upward by the fan 34 moves to the upper side of the main plate 31 through the space between the main plate 31 and the partition plate 33, and the heat emitted from the main plate 31 is taken away, so that the heat cannot be accumulated inside the device.

The space between the lower side of mainboard 31 and fan 34 passes through the inside intercommunication of division board 33 position and bottom shell 11 that does not sink, when the air current shifts up, has partial air current and enters into the inside of bottom shell 11 through division board 33 position that does not sink, and the rethread bottom shell 11 both ends are discharged, takes away the heat on the bottom shell 11, avoids heat gathering on the bottom shell 11 and makes the condition of the temperature rising of device itself, accomplishes the heat dissipation of device itself.

The air current that fan 34 carried upwards removes the upside of mainboard 31 through the space between division board 33 and the mainboard 31, take away the heat of mainboard 31 upside gathering, the upside of heat dissipation arc board 21 is removed to rethread pipe 22, make the heat leave the device, and in order to improve the radiating effect of heat dissipation lid 2, the pipe 22 that inclines is located the one end of heat dissipation arc board 21 upside and inclines towards the marginal position of heat dissipation arc board 21, when the air current moves the upside of heat dissipation arc board 21 through pipe 22 from the bottom of heat dissipation arc board 21, through the guide of pipe 22 that inclines, make the air current that moves up flow on the surface of heat dissipation arc board 21, blow away the heat on the heat dissipation arc board 21, when so when having absorbed thermal air and discharging, make the air blow heat dissipation arc board 21 again, accelerate the giveing out of temperature on the heat dissipation arc board 21, and then accelerated the thermal diffusion speed of device itself.

Meanwhile, in order to prevent the exhausted air from being absorbed by the air duct 35, an upward-tilted arc plate 15 is fixed at a position on the upper side of the bottom case 11 close to the air duct 35, and when the air exhausted from the inclined duct 22 contacts the arc plate 15, the moving air flow is guided by the arc plate 15 to move upward, so that the exhausted hot air is prevented from being absorbed by the air duct 35 and entering the inside of the device.

The heat that mainboard 31 produced can be absorbed by the heat dissipation arc board 21 that is located mainboard 31 top, part heat is diffused in the space of outside by heat dissipation arc board 21, and in order to accelerate the effect that cooling cover 2 expands the heat to the outside, and be fixed with a plurality of radiating block 23 on the lateral wall of heat dissipation arc board 21, the inside of radiating block 23 is hollow structure, and communicate with the bottom of heat dissipation arc board 21, the heat that mainboard 31 produced enters into the inside of radiating block 23, and outside diffusion through radiating block 23, be fixed with a plurality of undercut inner groovy 24 on cooling arc board 21 simultaneously, so just increased the outside surface area of heat dissipation arc board 21, make the heat on the cooling cover 2 obtain quick diffusion, be provided with fin 25 in the both sides of inner groovy 24 simultaneously, fin 25 guides the air current that flows to cooling arc board 21 upside, also guide the air current direction that flows from the pipe chute 22 simultaneously, accelerate the hot-air to distribute to all around, accelerate the heat on the device to distribute.

Meanwhile, when the air flow contacts the heat dissipation arc plate 21, the air flow absorbs heat absorbed on the heat dissipation arc plate 21, the heat on the heat dissipation arc plate 21 is reduced, and in order to further improve the diffusion effect of the heat dissipation block 23 on the heat, the heat dissipation block 23 is arranged at one end of the inclined guide pipe 22, when the air flow flows upwards from the bottom of the heat dissipation arc plate 21, the air flow blows on the heat dissipation block 23 through the inclined guide pipe 22, the flowing speed of the air near the heat dissipation block 23 is improved, and the heat dissipation on the heat dissipation block 23 is accelerated.

Meanwhile, in order to accelerate the heat dissipation effect of the heat dissipation cover 2, the heat dissipation cover 2 is made of metal, and the heat absorption effect of metal accelerates the absorption of heat generated by the heat dissipation cover 2 on the main board 31, and meanwhile, the heat dissipation cover 2 can also rapidly dissipate the absorbed heat.

In order to prevent external impurities from damaging the heat dissipation cover 2 and preventing the impurities from entering the interior of the optical terminal enclosure 1, the side nets 4 are installed on two sides of the bottom shell 11, the support frame 12 is fixed on the upper side of the bottom shell 11, the separation net 13 is installed on the support frame 12, the separation net 13 and the side nets 4 block the external impurities, the external impurities are prevented from entering the interior of the optical terminal enclosure 1, meanwhile, the impurities are prevented from blocking the inclined guide pipe 22, and normal exhaust of the inclined guide pipe 22 is ensured.

Example 2

Compared with embodiment 1, this embodiment adjusts the direction of air sucked by the fan 34, so that the fan 34 captures the air in the space under the heat dissipation cover 2 and discharges the captured air through the air duct 35, referring to fig. 10, when the fan 34 captures the air in the space between the main board 31 and the fan 34, and when the air flows from the upper surface to the lower surface of the heat dissipation arc board 21, the heat dissipation block 23 guides the air flow, so that the air flow enters the lower side of the heat dissipation arc board 21 through the inclined duct 22, the downward moving air flow drives the heat on the main board 31 to move downward, so that the heat enters the space between the fan 34 and the main board 31 through the space between the main board 31 and the separation plate 33, and then the fan 34 discharges the air through the air duct 35, so as to achieve the rapid cooling of the heat dissipation cover 2 and the working assembly 3, before the device is ready to be closed, the heat dissipation on the heat dissipation cover 2 can be accelerated in this way, and simultaneously, when the air flow passes through the inclined duct 22, part of the air flow blows the surface of the heat dissipation arc board 21, thereby accelerating the dissipation of the dissipation device.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high-efficient radiating communication optical transmitter and receiver, includes optical terminal casing (1) and sets up heat dissipation lid (2) at optical terminal casing (1) upside, the downside of heat dissipation lid (2) is provided with work subassembly (3), its characterized in that: work subassembly (3) include mainboard (31) and set up fan (34) in mainboard (31) downside, fan (34) absorb the outside air of optical terminal casing (1) to with absorptive air exhaust away, make the heat that produces on mainboard (31) taken away, and absorb the heat that gives off on mainboard (31) at cooling cover (2), and spread the heat, cooling cover (2) guide the air that fan (34) absorbed simultaneously, accelerate the giving off of heat on mainboard (31).

2. The efficient heat-dissipating communication optical transceiver of claim 1, wherein: optical end casing (1) is including drain pan (11), the both sides and the outside intercommunication of drain pan (11), installing port (14) have been seted up to the upside of drain pan (11), heat dissipation lid (2) is including being curved heat dissipation arc plate (21), heat dissipation arc plate (21) cover installing port (14), and seted up on the last lateral wall of heat dissipation arc plate (21) a plurality of oblique pipe (22), oblique pipe (22) will dispel the heat the upper and lower both sides intercommunication of arc plate (21).

3. The efficient heat-dissipating communication optical transceiver of claim 2, wherein: the inclined conduit (22) is located the one end of heat dissipation arc board (21) upside and inclines to the marginal position of heat dissipation arc board (21), and be fixed with a plurality of radiating block (23) on the lateral wall of heat dissipation arc board (21), the inside of radiating block (23) is hollow structure, and communicates with the bottom of heat dissipation arc board (21), and the heat that mainboard (31) produced enters into the inside of radiating block (23) to outside diffusion through radiating block (23).

4. The efficient heat dissipating communication optical transceiver of claim 3, wherein: the heat dissipation block (23) is arranged at one end of the inclined guide pipe (22);

when air flow flows upwards from the bottom of the heat dissipation arc plate (21), the air flow blows on the heat dissipation block (23) through the inclined conduit (22), and heat dissipation on the heat dissipation block (23) is accelerated;

when air flow flows from the upper surface to the lower surface of the heat dissipation arc plate (21), the heat dissipation block (23) guides the air flow, so that the air flow can conveniently enter the lower side of the heat dissipation arc plate (21) through the inclined guide pipe (22).

5. The efficient heat-dissipating communication optical transceiver of claim 2, wherein: a plurality of inner grooves (24) which are sunken downwards are fixed on the heat dissipation arc plate (21), fins (25) are arranged on two sides of each inner groove (24), and the fins (25) guide airflow flowing on the upper side of the heat dissipation arc plate (21).

6. The efficient heat-dissipating communication optical transceiver of claim 1, wherein: mainboard (31) set up in the inside of installing port (14), just there is the air feed stream to pass through the clearance between the edge of installing port (14) and mainboard (31), and is provided with connecting piece (32) of installing in drain pan (11) inside in the both sides of mainboard (31), connect through the wire between connecting piece (32) and mainboard (31), just the one end of connecting piece (32) is run through the lateral wall of drain pan (11) and is used for and outside signal line connection.

7. The communication optical transceiver with efficient heat dissipation of claim 1, wherein: air ducts (35) are symmetrically fixed to the center of the side wall of the fan (34), the air ducts (35) are installed inside the bottom shell (11), the bottom shell (11) is communicated with the outside, when the fan (34) works, air outside the bottom shell (11) is captured through the air ducts (35), meanwhile, the captured air is conveyed towards the upper side of the fan (34), heat generated on the main board (31) is blown, upward-moving air flow flows on the surface of the heat dissipation arc plate (21) through the inclined guide pipes (22), and the heat on the heat dissipation arc plate (21) is blown away.

8. The efficient heat-dissipating communication optical transceiver of claim 2, wherein: be provided with division board (33) in installing port (14), division board (33) set up in the clearance between installing port (14) and mainboard (31), and the left and right sides undercut of division board (33), make the bottom of division board (33) and the last lateral wall contact of air duct (35), just fan (34) upper end and the bottom of division board (33) communicate, there is the space that is used for the air current between division board (33) and mainboard (31) simultaneously, and the air that fan (34) blown upwards takes away the heat that gives off on mainboard (31) through the space between mainboard (31) and division board (33).

9. The efficient heat-dissipating communication optical transceiver of claim 2, wherein: side nets (4) are installed on two sides of the bottom shell (11), a support frame (12) is fixed on the upper side of the bottom shell (11), a separation net (13) is installed on the support frame (12), and the separation net (13) and the side nets (4) block external sundries.

10. The efficient heat-dissipating communication optical transceiver of claim 1, wherein: the fan (34) captures air in the space below the heat dissipation cover (2) and discharges the captured air through the air duct (35).