CN211607240U

CN211607240U - GPON-ONU optical module structure

Info

Publication number: CN211607240U
Application number: CN202021653929.1U
Authority: CN
Inventors: 李航; 吴贤松; 陈小丹; 谭祖炜; 郑启飞; 陈小鹏
Original assignee: Wuhan Xingsi Optoelectronics Technology Co ltd
Current assignee: WUHAN XINGSI OPTOELECTRONICS TECHNOLOGY CO.,LTD.; Zhongtian Communication Technology Co.,Ltd.; Zhongtian Broadband Technology Co Ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2020-09-29
Anticipated expiration: 2030-08-11

Abstract

The utility model provides a GPON-ONU optical module structure belongs to communications facilities technical field. The optical module structure comprises a shell and a heat dissipation assembly, wherein a heat dissipation sleeve is arranged on the surface of an optical module, a cavity is arranged in the heat dissipation sleeve, a water pump pumps water in a water tank out of the water tank through a water inlet pipe, the water is conveyed into the cavity through the water outlet pipe to take away the heat generated by the operation of the optical module and is conveyed back to the interior of the water tank through the water outlet pipe, the heat absorption sheet and the water in the water tank generate heat exchange to transfer the heat of the water in the water tank to the radiating fins through the radiating block, the heat is exchanged to the cold air through the heat radiating fins, the air inside the casing is pumped out to the outside of the casing by the fan, meanwhile, negative pressure is generated at the air inlet, cold air entering the air inlet is contacted with the heat dissipation sleeve to take away part of heat generated by the optical module, therefore, the GPON-ONU optical module structure has the effects of actively radiating the optical module, effectively avoiding heat accumulation, protecting equipment and preventing the working performance of the GPON-ONU optical module from being reduced.

Description

GPON-ONU optical module structure

Technical Field

The utility model relates to a communication equipment technical field particularly, relates to a GPON-ONU optical module structure.

Background

With the development of high bandwidth of an access network, a GPON system is researched in a large amount as a most practical solution for realizing fiber to the home, and plays an important role in the optical fiber communication process, but an optical module generates a large amount of heat during operation, and a laser used for generating or receiving an optical signal has a relatively strict requirement on temperature, so that in order to ensure normal operation of optical communication, the heat generated by the optical module needs to be dissipated in time, wherein the laser in the optical module is a most important power consumption device in the optical module, especially a laser used for generating the optical signal, namely an optical signal emitting laser, and the heat generated by the optical module is the largest, most of the existing heat dissipation structures of the optical module are passive heat dissipation structures, and the heat dissipation capability is insufficient, especially under the condition that the optical module works for a long time, a large amount of generated heat cannot be dissipated in time, and the working performance of the optical module is reduced due to, in severe cases, damage to the equipment and even spontaneous combustion can occur.

SUMMERY OF THE UTILITY MODEL

In order to make up for above not enough, the utility model provides a GPON-ONU optical module structure through increasing radiator unit, carries out the initiative heat dissipation to the optical module, has effectively avoided thermal gathering, and protective apparatus has prevented GPON-ONU optical module working property's decline.

The utility model discloses a realize like this:

a GPON-ONU optical module structure comprises a shell and a heat dissipation assembly.

The bottom of the shell is provided with a foot pad, one side of the shell is provided with a heat dissipation port, the inner wall of the heat dissipation port is provided with a louver heat dissipation window, and the surface of the bottom of the shell is provided with an air inlet;

the heat dissipation assembly comprises a heat dissipation sleeve, a water inlet pipe, a water outlet pipe, a water tank, a water pump, a filter block, a fan, a heat dissipation block, a heat dissipation fin, a heat absorption fin and a connecting pipe, wherein the heat dissipation sleeve is arranged on one side inside the shell, the filter block and the water pump are sequentially arranged at the bottom of the inner wall of the shell, the heat dissipation block is arranged at the top of the shell, the heat dissipation fin is arranged at the top of the heat dissipation block and extends to the outside of the shell, the water tank is arranged at the bottom of the heat dissipation block, the top of the heat absorption fin is fixedly connected with the bottom of the heat dissipation block, the bottom of the heat absorption fin penetrates through the top of the water tank and extends to the inside of the water tank, one end of the water inlet pipe is communicated with the bottom of the water tank, the other end, the other end of the connecting pipe is communicated with one side of the heat dissipation sleeve, one end of the water outlet pipe is communicated with the other side of the heat dissipation sleeve, the other end of the water outlet pipe is communicated with one side of the water tank, and the fan is arranged on one side of the interior of the shell.

The utility model discloses an in one embodiment, the heat dissipation cover is inside cavity both ends open-ended structure, the inside of heat dissipation cover is provided with the cavity, the inside water that is used for filling of cavity, the heat dissipation cover is used for the optical module heat dissipation.

In an embodiment of the present invention, the filter block is used for filtering the air entering the casing through the air inlet.

In an embodiment of the present invention, the heat dissipation block, the heat dissipation plate and the heat absorption plate are made of copper subjected to anti-rust treatment.

The utility model discloses an in the embodiment, the quantity of inlet port is thirty six, the inlet port is located the below of heat dissipation cover.

In an embodiment of the present invention, the water tank is provided with water inside.

The utility model has the advantages that: the utility model discloses a GPON-ONU optical module structure that obtains through above-mentioned design, through setting up the radiator unit, set up the heat dissipation cover in the radiator unit, the water tank, a water pump, the radiating block, the fin, heat absorption fin and fan, the heat dissipation cover is installed on the surface of optical module, the radiator cover is inside to be provided with the cavity, the water pump is taken out the water in the water tank through the inlet tube by the water tank, carry water to the cavity inside through the connecting pipe and carry away the heat that optical module work produced and carry the inside back to the case by the outlet pipe, the heat absorption fin generates the heat exchange with the water in the water tank, transmit the heat of water in the water tank to the fin through the radiating block, exchange the heat to the cold air through the fin, the fan takes the air in the casing out to the casing outside, produce the negative pressure at the inlet port simultaneously, the cold air that the, therefore, the GPON-ONU optical module structure has the effects of actively radiating the optical module, effectively avoiding heat accumulation, protecting equipment and preventing the working performance of the GPON-ONU optical module from being reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a view angle position relationship structure of a GPON-ONU optical module according to an embodiment of the present invention;

fig. 2 is a schematic view of another view angle position relationship structure of the GPON-ONU optical module according to an embodiment of the present invention;

fig. 3 is a schematic side-sectional structure diagram of a GPON-ONU optical module according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

FIG. 5 is an enlarged view of the structure at B in FIG. 3;

fig. 6 is a schematic view of a nodding-off structure of a GPON-ONU optical module provided by an embodiment of the present invention;

fig. 7 is a schematic view of a connection structure between a heat dissipation sleeve and a water outlet pipe and a connection pipe respectively according to an embodiment of the present invention;

FIG. 8 is a schematic cross-sectional view of FIG. 7;

fig. 9 is another cross-sectional structural view of fig. 7.

In the figure: 1-a shell; 101-a foot pad; 102-louver heat dissipation windows; 103-air inlet hole; 104-a heat dissipation port; 2-a heat dissipation assembly; 201-heat dissipation sleeve; 202-a water inlet pipe; 203-water outlet pipe; 204-a water tank; 205-a water pump; 206-a filter block; 207-a fan; 208-a heat sink; 209-radiating fins; 2010-a heat sink sheet; 2011-cavity; 2012-connecting tube.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-9, the present invention provides a technical solution: a GPON-ONU optical module structure comprises a shell 1 and a heat dissipation assembly 2.

Referring to fig. 1 to 9, a foot pad 101 is disposed at the bottom of a housing 1, the foot pad 101 is used for increasing a gap between the bottom of the housing 1 and the ground, so that cold air can be conveniently sucked through an air inlet 103, a heat outlet 104 is disposed at one side of the housing 1, the heat outlet 104 is used for exhausting air inside the housing 1, a louver 102 is disposed on an inner wall of the heat outlet 104, the louver 102 is used for preventing external dust and water from entering the interior of the housing 1, the air inlet 103 is disposed at the bottom surface of the housing 1, the air inlet 103 is used for conveying external cold air into the interior of the housing 1, a heat dissipation assembly 2 includes a heat dissipation sleeve 201, a water inlet pipe 202, a water outlet pipe 203, a water tank 204, a water pump 205, a filter block 206, a fan 207, a heat dissipation block 208, a heat dissipation fin 209, a heat absorption fin 2010 and a connection pipe 2012, the heat dissipation sleeve 201 is, the filter block 206 is used for filtering air entering the inside of the shell 1, the heat dissipation block 208 is arranged at the top of the shell 1, the heat dissipation fins 209 are arranged at the top of the heat dissipation block 208 and extend to the outside of the shell 1, the water tank 204 is arranged at the bottom of the heat dissipation block 208, the top of the heat absorption sheet 2010 is fixedly connected with the bottom of the heat dissipation block 208, the bottom of the heat absorption sheet 2010 penetrates through the top of the water tank 204 and extends to the inside of the water tank 204, water is arranged inside the water tank 204, one end of the water inlet pipe 202 is communicated with the bottom of the water tank 204, the other end of the water inlet pipe 202 is communicated with a water inlet of the water pump 205, one end of the connecting pipe 2012 is communicated with a water outlet of the water pump 205, the other end of the connecting pipe 2012 is communicated with one side of the heat dissipation sleeve 201, one end of the water outlet pipe 203 is communicated, the inside of the heat dissipation sleeve 201 is provided with a cavity 2011, the water pump 205 pumps water inside the water tank 204 out of the water tank 204 through the water inlet pipe 202, the water is conveyed into the cavity 2011 through the water outlet pipe 203 to exchange heat with the optical module, the heat generated by the operation of the optical module is taken away, the water after heat exchange is conveyed back into the water tank 204 through the water outlet pipe 203, the heat absorption sheet 2010 exchanges heat with the water inside the water tank 204, the heat of the water in the water tank 204 is transferred to the heat dissipation sheet 209 through the heat dissipation block 208, the heat is exchanged into the outside cold air through the heat dissipation sheet 209, the fan 207 pumps the air inside the housing 1 out of the housing, negative pressure is generated at the air inlet 103, the cold air entering the air inlet 103 is in contact with the outer surface of the heat dissipation sleeve 201 and the heat generated by the heat dissipation sleeve 201 to take away part of the heat generated by the optical module, the hot air is discharged to the outside of the housing 1 through the, the heat accumulation is effectively avoided, the equipment is protected, and the working performance of the GPON-ONU optical module is prevented from being reduced.

Referring to fig. 3 and 5-9, the heat dissipation sleeve 201 is a hollow structure with two open ends, a cavity 2011 is arranged inside the heat dissipation sleeve 201, the cavity 2011 is filled with water, the heat dissipation sleeve 201 is used for dissipating heat of an optical module, the heat dissipation sleeve 201 is installed on the surface of the optical module, cold water filled inside the cavity 2011 exchanges heat with the optical module dissipating heat in the working process, the heat generated by the optical module is taken away, the heat generated by the optical module is prevented from being accumulated inside the optical module, and the problems that the performance of equipment is lowered and the equipment is damaged due to the accumulation of the temperature of the optical module are effectively solved.

Referring to fig. 3 and 4, the heat dissipation block 208, the heat dissipation plate 209 and the heat absorption plate 2010 are made of copper subjected to rust prevention treatment, which has good heat-inducing property and can increase the cooling speed of the water stored in the water tank 204.

Referring to fig. 2, 3, 5 and 6, the number of the air inlet holes 103 is thirty six, the air inlet holes 103 are located below the heat dissipation sleeve 201, the cold air enters the inside of the housing 1 through the air inlet holes 103, the cold air contacts with the outside of the heat dissipation sleeve 201, the heat of the heat dissipation sleeve 201 is discharged to the outside of the housing 1 through the heat dissipation port 104, and the capability of the heat dissipation sleeve 201 in reducing the temperature of the optical module is enhanced.

Specifically, the working principle of the GPON-ONU optical module structure is as follows: the heat dissipation sleeve 201 is installed on the surface of the optical module, a cavity 2011 is arranged in the heat dissipation sleeve 201, the water pump 205 is started, the water pump 205 pumps water in the water tank 204 out of the water tank 204 through the water inlet pipe 202, the water is conveyed into the cavity 2011 through the connecting pipe 2012 to be subjected to heat exchange with the optical module, heat generated by the operation of the optical module is taken away, the water subjected to heat exchange is conveyed back into the water tank 204 through the water outlet pipe 203, the heat absorption fins 2010 are subjected to heat exchange with the water in the water tank 204, the heat in the water tank 204 is transferred to the heat dissipation fins 209 through the heat dissipation blocks 208, the heat dissipation fins 209 are subjected to heat exchange to external cold air through the heat dissipation fins 209, the heat dissipation blocks 208, the heat dissipation fins 209 and the heat absorption fins 2010 are made of copper subjected to rust-proof treatment, good heat induction performance is achieved, the speed of cooling, negative pressure is generated at the air inlet 103, cold air entering the air inlet 103 is in contact with the outer surface of the heat dissipation sleeve 201, heat generated by a part of the optical module is taken away by heat exchange generated by the heat dissipation sleeve 201, and hot air is discharged to the outside of the shell 1 through the heat dissipation port 104, so that the GPON-ONU optical module structure has the effects of actively dissipating heat of the optical module, effectively avoiding heat accumulation, protecting equipment and preventing the working performance of the GPON-ONU optical module from being reduced.

It should be noted that the specific model specifications of the water pump 205 and the fan 207 need to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the water pump 205 and the fan 207 and the principle thereof will be clear to those skilled in the art and will not be described in detail here.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A GPON-ONU optical module structure, comprising,

the heat dissipation device comprises a shell (1), wherein a foot pad (101) is arranged at the bottom of the shell (1), a heat dissipation opening (104) is formed in one side of the shell (1), a louver heat dissipation window (102) is installed on the inner wall of the heat dissipation opening (104), and an air inlet hole (103) is formed in the bottom surface of the shell (1);

the heat dissipation assembly (2) comprises a heat dissipation sleeve (201), a water inlet pipe (202), a water outlet pipe (203), a water tank (204), a water pump (205), a filter block (206), a fan (207), a heat dissipation block (208), a heat dissipation sheet (209), a heat absorption sheet (2010) and a connecting pipe (2012), wherein the heat dissipation sleeve (201) is arranged on one side of the inside of the shell (1), the filter block (206) and the water pump (205) are sequentially arranged at the bottom of the inner wall of the shell (1), the heat dissipation block (208) is arranged at the top of the shell (1), the heat dissipation sheet (209) is arranged at the top of the heat dissipation block (208) and extends to the outside of the shell (1), the water tank (204) is arranged at the bottom of the heat dissipation block (208), and the top of the heat absorption sheet (2010) is fixedly connected with the bottom of the heat dissipation block (208), the bottom of the heat absorbing sheet (2010) penetrates through the top of the water tank (204) and extends to the inside of the water tank (204), one end of the water inlet pipe (202) is communicated with the bottom of the water tank (204), the other end of the water inlet pipe (202) is communicated with a water inlet of the water pump (205), one end of the connecting pipe (2012) is communicated with a water outlet of the water pump (205), the other end of the connecting pipe (2012) is communicated with one side of the heat dissipation sleeve (201), one end of the water outlet pipe (203) is communicated with the other side of the heat dissipation sleeve (201), the other end of the water outlet pipe (203) is communicated with one side of the water tank (204), and the fan (207) is arranged on one side of the inside of the shell (1).

2. The GPON-ONU optical module structure of claim 1, wherein the heat dissipation sleeve (201) is a hollow structure with two open ends, a cavity (2011) is arranged inside the heat dissipation sleeve (201), the cavity (2011) is filled with water, and the heat dissipation sleeve (201) is used for dissipating heat of the optical module.

3. A GPON-ONU optical module structure according to claim 1, wherein said filter block (206) is used to filter the air entering the interior of said housing (1) through said air intake hole (103).

4. The GPON-ONU optical module structure of claim 1, wherein the materials of said heat slug (208), said heat sink (209) and said heat sink (2010) are rustproof copper.

5. A GPON-ONU optical module structure according to claim 1, wherein the number of said air intake holes (103) is thirty-six, and said air intake holes (103) are located below said heat dissipation sleeve (201).

6. A GPON-ONU optical module structure according to claim 1, characterized in that the inside of said water tank (204) is provided with water.