CN216387488U

CN216387488U - Optical module with heat dissipation function

Info

Publication number: CN216387488U
Application number: CN202123177840.XU
Authority: CN
Inventors: 钟城辉; 朱双双; 陈剑峰
Original assignee: Shenzhen Xunfeiling Technology Co ltd
Current assignee: Shenzhen Xunfeiling Technology Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-04-26
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses an optical module with a heat dissipation function, which relates to the technical field of optical communication and comprises an optical module shell, wherein a circuit board is fixedly installed in the optical module shell, a heat dissipation box is arranged in the middle of the optical module shell and comprises a bottom box and an upper cover, the bottom box is integrally formed in the middle of the optical module shell, the upper cover is hinged and matched to be installed at the edge of the front side of the bottom box, the upper cover covers the bottom box, an air inlet is formed in the upper cover, a micro fan is fixedly installed in the air inlet, a heat conduction plate is fixedly installed on the circuit board, a wind shield is formed on the heat conduction plate, the wind shield is provided with two symmetrical left and right parts, a plurality of radiating fins are uniformly arranged and formed on the heat conduction plate, a clearance groove is formed between the rear ends of the radiating fins and the heat conduction plate, the micro fan is arranged above the clearance groove, a plurality of radiating air outlets are formed on the upper cover, and the radiating air outlets are arranged above the front ends of the radiating fins; the beneficial effects are that: and air cooling is adopted for heat dissipation, so that dust is easy to clean.

Description

Optical module with heat dissipation function

Technical Field

The utility model relates to the technical field of optical communication, in particular to an optical module with a heat dissipation function.

Background

The optical module is composed of an optoelectronic device, a functional circuit, an optical interface and the like, wherein the optoelectronic device comprises a transmitting part and a receiving part. In brief, the optical module functions in that a transmitting end converts an electrical signal into an optical signal, and a receiving end converts the optical signal into the electrical signal after the optical signal is transmitted through an optical fiber.

At present, an optical module generally does not have a heat dissipation structure, and the optical module is easy to reduce the frequency or be damaged when working in an overheated environment, so that it is necessary to increase heat dissipation in the optical module. Air cooling heat dissipation is a common heat dissipation mode in the market, however, the air cooling heat dissipation has the defect that dust is easily accumulated, the size of the optical module is small, and the dust is difficult to clean when the air cooling heat dissipation is adopted.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical scheme capable of solving the problems in order to overcome the defects.

The utility model provides an optical module with heat dissipation function, including the optical module shell, fixed mounting has the circuit board in the optical module shell, the middle part of optical module shell is provided with the heat dissipation box, the heat dissipation box includes end box and upper cover, end box integrated into one piece sets up the middle part at the optical module shell, the articulated cooperation of upper cover is installed at the front side border of end box, the upper cover covers end box setting, it has the air intake to cover the shaping on, fixed mounting has micro-fan in the air intake, fixed mounting has the heat-conducting plate on the circuit board, the shaping has the deep bead on the heat-conducting plate, the deep bead is provided with bilateral symmetry's two, it has a plurality of fin to evenly arrange the shaping on the heat-conducting plate, form between the rear end of a plurality of fin and the heat-conducting plate and keep away the dead slot, micro-fan sets up the top of keeping away the dead slot, it has a plurality of air outlet to cover the shaping, the heat dissipation air outlet sets up the top at the fin front end.

As a further scheme of the utility model: the upside fixed mounting of end box rear end has first magnet, and the downside fixed mounting of upper cover rear end has the second magnet, and the cooperation is inhaled to mutual magnetism between first magnet and the second magnet.

As a further scheme of the utility model: the upper side edge of the bottom box is fixedly provided with a damping gasket, and the damping gasket is pressed between the bottom box and the upper cover.

As a further scheme of the utility model: the left and right sides of upper cover front end all the shaping have articulated piece, and the equal fixed mounting in the left and right sides of end box front end has the locating lever, and the shaping has the through-hole on the articulated piece, and the locating lever one-to-one normal running fit is installed in the through-hole.

As a further scheme of the utility model: the front side and the rear side of the heat conducting plate are respectively formed with a positioning convex edge, a screw positioning hole is formed in the positioning convex edge, screws are installed in the screw positioning holes in a clearance fit mode, and the heat conducting plate is installed on the circuit board through the screws.

As a further scheme of the utility model: a cross fan frame is formed in the air inlet, and the micro fan is fixedly installed on the lower side of the cross fan frame.

As a further scheme of the utility model: the heat conducting plate is made of aluminum alloy.

As a further scheme of the utility model: and heat-conducting silica gel is arranged between the heat-conducting plate and the circuit board.

Compared with the prior art, the utility model has the beneficial effects that: optical module during operation, the heat of circuit board can be transferred to on the heat-conducting plate, heat on the heat-conducting plate can be taken away to micro fan, steam is exported from heat dissipation air outlet department, the setting of fin can accelerate the air current, the radiating effect is better, after using a period, the dust can be piled up on micro fan and the fin of heat-conducting plate, at this moment, open the upper cover and just can clear up the dust, and is convenient and fast, effectively avoid the dust to pile up on the circuit board, the operating temperature of optical module has been reduced, and service life improves.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Fig. 3 is an enlarged schematic view of fig. 1 at B.

Fig. 4 is an enlarged schematic view of fig. 1 at C.

Fig. 5 is a schematic structural view of the heat-conducting plate of the present invention.

Fig. 6 is a schematic view of an installation structure of the heat conductive silica gel of the present invention.

Shown in the figure: 1. an optical module housing; 2. a circuit board; 3. a heat dissipation box; 31. a bottom case; 32. an upper cover; 4. an air inlet; 5. a micro fan; 6. a heat conducting plate; 7. a wind deflector; 8. a heat sink; 9. an empty avoiding groove; 10. a heat dissipation air outlet; 11. a first magnet; 12. a second magnet; 13. a shock-absorbing pad; 14. a hinged block; 15. positioning a rod; 16. a through hole; 17. positioning the convex edge; 18. screw positioning holes; 19. a screw; 20. a cross fan frame; 21. thermally conductive silicone.

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.

Referring to fig. 1-6, an optical module with heat dissipation function includes an optical module housing 1, a circuit board 2 is fixedly installed in the optical module housing 1, a heat dissipation box 3 is disposed in the middle of the optical module housing 1, the heat dissipation box 3 includes a bottom box 31 and an upper cover 32, the bottom box 31 is integrally formed in the middle of the optical module housing 1, the upper cover 32 is hinged and installed on the front side edge of the bottom box 31, the upper cover 32 covers the bottom box 31, an air inlet 4 is formed on the upper cover 32, a micro fan 5 is fixedly installed in the air inlet 4, a heat conduction plate 6 is fixedly installed on the circuit board 2, a wind shield 7 is formed on the heat conduction plate 6, the wind shield 7 is provided with two bilateral symmetry wind shields, a plurality of heat dissipation fins 8 are uniformly arranged and formed on the heat conduction plate 6, a clearance groove 9 is formed between the rear ends of the plurality of heat dissipation fins 8 and the heat conduction plate, the micro fan 5 is disposed above the clearance groove 9, a plurality of heat dissipation air outlets 10 are formed on the upper cover 32, and the heat dissipation air outlets 10 are arranged above the front ends of the heat dissipation fins 8;

the principle is as follows: optical module during operation, the heat of circuit board 2 can be on heat-conducting plate 6, heat on the heat-conducting plate 6 can be taken away to micro-fan 5, steam exports from cooling air outlet 10, the setting of fin 8 can accelerate the air flow, the radiating effect is better, use a period of time after, the dust can be piled up on micro-fan 5 and heat-conducting plate 6's fin 8, at this moment, open upper cover 32 and just can clear up the dust, and is convenient and fast, effectively avoid the dust to pile up on circuit board 2, the operating temperature of optical module has been reduced, and service life improves.

As a further scheme of the utility model: a first magnet 11 is fixedly arranged on the upper side of the rear end of the bottom box 31, a second magnet 12 is fixedly arranged on the lower side of the rear end of the upper cover 32, and the first magnet 11 and the second magnet 12 are mutually matched in a magnetic attraction manner; so that the upper cover 32 can be more stably covered on the bottom case 31.

As a further scheme of the utility model: the upper side edge of the bottom box 31 is fixedly provided with a shock absorption gasket 13, and the shock absorption gasket 13 is pressed between the bottom box 31 and the upper cover 32; the vibration generated during the operation of the maintenance fan 5 can be reduced through the damping gasket 13, so that the bottom box 31 is not easily affected by vibration, and the work of the circuit board 2 is more stable.

As a further scheme of the utility model: hinge blocks 14 are formed on the left side and the right side of the front end of the upper cover 32, positioning rods 15 are fixedly mounted on the left side and the right side of the front end of the bottom box 31, through holes 16 are formed in the hinge blocks 14, and the positioning rods 15 are mounted in the through holes 16 in a one-to-one corresponding rotating fit manner; so that the fitting of the upper cover 32 on the bottom case 31 is more stable.

As a further scheme of the utility model: positioning convex edges 17 are formed on the front side and the rear side of the heat conducting plate 6, screw positioning holes 18 are formed in the positioning convex edges 17, screws 19 are arranged in the screw positioning holes 18 in a clearance fit mode, and the heat conducting plate 6 is arranged on the circuit board 2 through the screws 19; so that the heat conducting plate 6 can be more stably installed on the circuit board 2, and the heat conducting plate 6 can be detached from the circuit board 2 during inspection and maintenance.

As a further scheme of the utility model: a cross fan frame 20 is formed in the air inlet 4, and the micro fan 5 is fixedly arranged on the lower side of the cross fan frame 20; so that the installation of the micro fan 5 is more stable.

As a further scheme of the utility model: the heat conducting plate 6 is made of aluminum alloy; has better heat-conducting property and improved heat-radiating effect.

As a further scheme of the utility model: a heat conducting silica gel 21 is arranged between the heat conducting plate 6 and the circuit board 2; the heat of the circuit board 2 during operation can be quickly transferred to the heat conducting plate 6, and the heat dissipation effect is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an optical module with heat dissipation function, includes the optical module shell, and fixed mounting has the circuit board in the optical module shell, its characterized in that: the middle part of optical module shell is provided with the heat dissipation box, the heat dissipation box includes end box and upper cover, end box integrated into one piece sets up the middle part at the optical module shell, the articulated cooperation of upper cover is installed at the front side border of end box, the upper cover covers end box setting, it has the air intake to cover the shaping on the upper cover, fixed mounting has micro-fan in the air intake, fixed mounting has the heat-conducting plate on the circuit board, the shaping has the deep bead on the heat-conducting plate, the deep bead is provided with bilateral symmetry's two, it has a plurality of fin to evenly arrange the shaping on the heat-conducting plate, form between the rear end of a plurality of fin and the heat-conducting plate and keep away the dead slot, micro-fan sets up the top at the fin front end, it has a plurality of air outlet to cover the shaping on the upper cover, air outlet sets up the top at the fin front end.

2. The optical module with a heat dissipation function as claimed in claim 1, wherein: the upside fixed mounting of end box rear end has first magnet, and the downside fixed mounting of upper cover rear end has the second magnet, and the cooperation is inhaled to mutual magnetism between first magnet and the second magnet.

3. The optical module with a heat dissipation function as claimed in claim 1, wherein: the upper side edge of the bottom box is fixedly provided with a damping gasket, and the damping gasket is pressed between the bottom box and the upper cover.

4. The optical module with a heat dissipation function as claimed in claim 1, wherein: the left and right sides of upper cover front end all the shaping have articulated piece, and the equal fixed mounting in the left and right sides of end box front end has the locating lever, and the shaping has the through-hole on the articulated piece, and the locating lever one-to-one normal running fit is installed in the through-hole.

5. The optical module with a heat dissipation function as claimed in claim 1, wherein: the front side and the rear side of the heat conducting plate are respectively formed with a positioning convex edge, a screw positioning hole is formed in the positioning convex edge, screws are installed in the screw positioning holes in a clearance fit mode, and the heat conducting plate is installed on the circuit board through the screws.

6. The optical module with a heat dissipation function as claimed in claim 1, wherein: a cross fan frame is formed in the air inlet, and the micro fan is fixedly installed on the lower side of the cross fan frame.

7. The optical module with a heat dissipation function as claimed in claim 1, wherein: the heat conducting plate is made of aluminum alloy.

8. The optical module with a heat dissipation function according to any one of claims 1 or 7, wherein: and heat-conducting silica gel is arranged between the heat-conducting plate and the circuit board.